WO2014201739A1 - 一种座椅调角器以及集油元件 - Google Patents

一种座椅调角器以及集油元件 Download PDF

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Publication number
WO2014201739A1
WO2014201739A1 PCT/CN2013/079056 CN2013079056W WO2014201739A1 WO 2014201739 A1 WO2014201739 A1 WO 2014201739A1 CN 2013079056 W CN2013079056 W CN 2013079056W WO 2014201739 A1 WO2014201739 A1 WO 2014201739A1
Authority
WO
WIPO (PCT)
Prior art keywords
oil
oil collecting
boss
friction
seat recliner
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/079056
Other languages
English (en)
French (fr)
Inventor
江冲
黄正坤
黄兴
张勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hubei Aviation Precision Machinery Technology Co Ltd
Original Assignee
Hubei Aviation Precision Machinery Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hubei Aviation Precision Machinery Technology Co Ltd filed Critical Hubei Aviation Precision Machinery Technology Co Ltd
Priority to US14/232,053 priority Critical patent/US9475409B2/en
Priority to EP13805724.5A priority patent/EP2839984B1/en
Publication of WO2014201739A1 publication Critical patent/WO2014201739A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2252—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms in which the central axis of the gearing lies inside the periphery of an orbital gear, e.g. one gear without sun gear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/225—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms
    • B60N2/2254—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by cycloidal or planetary mechanisms provided with braking systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/0427—Guidance of lubricant on rotary parts, e.g. using baffles for collecting lubricant by centrifugal force
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/048—Type of gearings to be lubricated, cooled or heated
    • F16H57/0482—Gearings with gears having orbital motion
    • F16H57/0486—Gearings with gears having orbital motion with fixed gear ratio 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2205/00—General mechanical or structural details
    • B60N2205/20—Measures for elimination or compensation of play or backlash
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
    • F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear

Definitions

  • the present invention relates to the field of seat angle adjustment technology, and more particularly to an oil collecting component for a seat adjuster.
  • the invention also relates to a seat recliner having the above-described oil collecting member. Background technique
  • seat recliners can be roughly divided into two categories: one is a leaf spring type adjustment mechanism using a ratchet ratchet mechanism principle; the other is a gear type adjustment mechanism using a planetary gear transmission principle.
  • FIG. 1 is an external structural view of a seat in the prior art
  • FIG. 2 is an exploded view of the assembly of the seat recliner in a specific embodiment in the prior art
  • the existing seat recliner 00 is mounted between the seat back and the seat and is generally driven by planetary gears, as shown in Figure 1.
  • the conventional seat recliner 00 includes an inner tooth plate 01 having an internal spur, an outer tooth plate 02 having an external spur, an eccentric 03, a wedge block 04, and a drive cam 05.
  • the inner tooth plate 01 is fixedly connected to the seat back, and the inner tooth plate 01 is provided with a shoulder 011 in the middle portion thereof; the outer tooth plate 02 is fixedly connected to the seat, and the central portion of the outer tooth plate 02 is provided with an axial center.
  • the eccentric wheel 03 and the shaft hole 021 of the external gear 02, the shoulder 011 of the eccentric 03 and the internal tooth plate 01, the axial hole 021 of the wedge block 04 and the external gear 02, the wedge block 04 and the shoulder 011 of the internal tooth plate 01 constitute Four friction pairs, the above four friction pairs all experienced three stages of oil lubrication, boundary friction and dry friction.
  • the oil lubrication refers to the friction between the two friction surfaces;
  • the boundary friction refers to the presence of lubricating oil between the two friction surfaces, and the formation of the metal surface is extremely thin due to the adsorption of the lubricating oil and the metal surface.
  • the boundary oil film, the thickness of the boundary oil film is less than ⁇ ⁇ ⁇ , which is not enough to separate the two metal surfaces, so when moving with each other, the microscopic peaks of the two metal surfaces will be boring each other. This state is called boundary friction; dry friction It means friction without lubrication.
  • the above friction pairs are oil lubrication and boundary friction.
  • the lubricating oil between the two parts forming the friction pair is crushed to the ends of the friction surface, and the friction between the friction pairs Will change to dry friction, at this time the wear between the two parts forming the friction pair is increased; when the wear to a certain extent, there will be a sway gap between the seat recliner 00 and the seat, there will be noise during the operation , jitter and other phenomena, which in turn affect the comfort of the seat.
  • Another object of the present invention is to provide an oil collecting member of a seat recliner capable of collecting the lubricating oil between the friction pairs inside the seat recliner to the friction surface to reduce the wear speed of the friction pair.
  • the present invention provides an oil collecting member of a seat recliner, the oil collecting member being fixedly coupled to a member forming a friction pair in a seat recliner, the oil collecting member having an orientation An end surface of another member of the friction pair, wherein both ends of the end surface are provided with a boss to form an oil collecting gap in a middle portion of the end surface, the side surface of the boss is an oil guiding surface, and the outer surface is gradually Near The center of the oil collection gap is set.
  • the oil collecting member of the present invention is fixed to one member of the friction pair, and a boss is provided at both ends of the end surface of the other member facing the friction pair, and an oil collecting gap is formed in the middle portion of the end surface, and the side surface of the boss is In the outer and inner directions, gradually approaching the center of the oil collecting gap, the side surface of the boss forms an oil guiding surface; during the movement, the boss first abuts the outer side of the side surface An end wall of the other member for crushing the lubricating oil that is crushed by the friction pair to the other end of the member, the blocked lubricating oil further flowing along the oil guiding surface (ie, the side of the boss) toward the oil collecting The gap, and then the friction surface is lubricated; when the friction pair is running at a high speed, the oil collecting gap of the oil collecting member is equivalent to the dynamic oil passage of the lubricating oil, and the lubricating oil is continuously collected between the friction surfaces of the friction pair, effectively reducing The wear rate of the friction pair improves the service
  • the bosses at both ends are symmetrically arranged with the longitudinal center line of the oil collecting member as an axis.
  • the oil collecting gap in the middle section of the end face is also a symmetrical structure, and the lubricating oil can be symmetrically distributed symmetrically on both sides of the oil collecting component so as to be on both sides of the oil collecting component.
  • the friction surface is relatively uniformly lubricated to avoid local occurrence of dry friction.
  • the cross section of the boss is semicircular.
  • the cross section of the boss is in an isosceles trapezoidal arrangement.
  • the cross section of the boss is arranged in an isosceles triangle.
  • different cross-sectional settings may be selected, which may be a semi-circular shape, an isosceles trapezoid or an isosceles triangle, etc., at this time, the side of the boss transitions smoothly from the outward to the inner direction, which is helpful.
  • the lubricating oil is directed to the middle of the oil collecting gap to enhance the oil collecting effect.
  • the oil collecting member is an elastic member.
  • the elastic deformation of the oil collecting member applies a certain pressing force to the other member of the friction pair, thereby effectively scraping the lubricating oil at the two ends of the other member, and then flowing into the oil collecting member. In the middle of the oil collection gap.
  • the present invention also provides a seat recliner, a friction pair is formed between two parts of the seat recliner, and one of the friction pairs is fixed to the oil collecting element according to any one of the above .
  • the seat recliner includes an inner tooth plate having a shoulder, an outer tooth plate having an axial hole, an eccentric wheel and a wedge block, and the friction pair is formed on an outer surface of the eccentric wheel and the shoulder Between the eccentric wheel and the inner wall of the shaft hole, between the wedge block and the outer surface of the shoulder, and between the wedge block and the inner wall of the shaft hole.
  • the oil collecting member has a connecting boss, and the eccentric wheel and the wedge block have a groove that is engaged with the connecting boss, thereby facilitating the reliability of the connection and the convenience of disassembly and assembly.
  • the seat recliner of the present invention has the oil collecting member according to any one of the above items,
  • FIG. 2 is an exploded view of a prior art seat recliner in a specific embodiment
  • FIG. 3 is a structural view of a gear transmission mechanism in the seat recliner of FIG. 2;
  • Figure 4 is an exploded perspective view of the seat recliner of the present invention in a specific embodiment
  • Figure 5 is a structural view of the seat recliner shown in Figure 4 after assembly
  • Figure 6 is a cross-sectional view of the seat recliner of Figure 5 taken along the A-A direction;
  • Figure 7 is a cross-sectional view of the seat recliner of Figure 5 taken along the B-B direction;
  • Figure 8 is a perspective structural view of the oil collecting component of the present invention disposed on an eccentric wheel in a specific embodiment
  • Figure 9 is a schematic cross-sectional view of a boss in the oil collecting member shown in Figure 8.
  • FIG. 10 is a schematic structural view of the eccentric wheel of FIG. 8 installed between the inner tooth plate and the outer tooth plate;
  • FIG. 11 is a schematic view showing the working process of the oil collecting component provided by the present invention.
  • Figure 12 is a perspective structural view of the oil collecting member provided in the first embodiment of the present invention.
  • Figure 13 is a perspective structural view of the oil collecting member provided in the second embodiment of the present invention.
  • the core of the present invention is to provide a seat recliner whose internal friction pair is always in an oil lubrication and boundary friction state, and the wear speed is slow.
  • Another core of the present invention is to provide an oil collecting member of a seat recliner capable of collecting the lubricating oil between the friction pairs inside the seat recliner to the friction surface to reduce the wear speed of the friction pair.
  • FIG. 4 is an assembled and exploded perspective view of a seat recliner according to an embodiment of the present invention
  • FIG. 5 is a structural view of the seat recliner shown in FIG. 6 is a sectional view of the seat recliner shown in FIG. 5 along the AA direction
  • FIG. 7 is a cross-sectional view of the seat recliner shown in FIG. 5 along the BB direction.
  • the seat recliner of the present invention comprises an inner tooth plate 3, an outer tooth plate 4, an eccentric wheel 5 and a wedge block 6,
  • the inner tooth plate 3 has an internal spur 32, and a middle portion of the shoulder 31 is provided;
  • the outer tooth plate 4 The outer tooth shank 42 has a shaft hole 41 in the middle thereof;
  • the inner tooth plate 3 and the outer tooth plate 4 are respectively meshed by the inner spur 32 and the outer spur 42 respectively, and the radial direction between the shoulder 31 and the axial hole 41 is formed.
  • the eccentric region; the eccentric 5 and the wedge 6 are both built into the radial eccentric region.
  • the inner and outer end faces of the eccentric wheel 5 respectively form two friction pairs 2 with the outer surface of the shoulder 31 and the inner surface of the shaft hole 41, as shown in FIG. 6;
  • the inner and outer end faces of the wedge block 6 are also respectively Two friction pairs 2 are formed with the outer surface of the shoulder 31 and the inner surface of the shaft hole 41, as shown in FIG.
  • the seat recliner of the present invention is further provided with an oil collecting member 1 which is fixedly connected with one of a certain friction pair 2 and which faces the other end of the friction pair 2 with its end face 11 (see Fig. 8)
  • a component, which in turn is arranged on the end face 11, is configured to re-collect the lubricating oil that has been crushed by the friction pair 2 to the ends of the friction surface to the middle of the two friction faces, as shown in Figs. 6 and 7.
  • the oil collecting element 1 can be fixedly attached to any part of the friction pair 2, and may be the inner wall of the shaft hole 41, the eccentric 5, the wedge block 6, or the shoulder 31.
  • the friction pair 2 is formed between the inner end surface of the eccentric 5 and the outer end surface of the shoulder 31, between the outer end surface of the eccentric 5 and the inner wall of the shaft hole 41, the inner end surface of the wedge block 6 and the shoulder 31 between the outer end faces, between the outer end faces of the wedge blocks 6 and the inner walls of the shaft holes 41, the oil collecting member 1 only needs to be disposed on one of the above-mentioned friction pairs 2, without the need for the same friction pair. 2 of the two The oil collecting member 1 is provided on the rubbing surface.
  • At least one oil collecting component 1 may be respectively mounted on the inner and outer end faces of the eccentric wheel 5 and the wedge block 6, Then, both of them drive the oil collecting member 1 to rotate during the movement, and then act on the outer end surface of the shoulder 31 and the inner wall of the shaft hole 41 through the oil collecting member 1, so as to be distributed on the shoulder 31 and the inner wall of the shaft hole 41.
  • the circumferential lubricant is re-collected.
  • the components forming the friction pair 2 of the eccentric 5 and the wedge block 6 are both the outer end surface of the shoulder 31 and the inner wall of the shaft hole 41, it is also possible to provide the oil collecting member only on the eccentric 5 or only on the wedge block 6. 1 , thereby re-collecting and attaching the lubricating oil to the outer end surface of the shoulder 31 and the inner wall of the shaft hole 41 without separately providing the oil collecting member 1 on the eccentric 5 and the wedge block 6 respectively, thereby reducing the cost and reducing the cost. Loading process.
  • FIG. 8 is a perspective structural view showing an arrangement manner of an eccentric wheel according to the present invention
  • FIG. 9 is a cross-sectional view showing a boss of the oil collecting member shown in FIG. 8.
  • FIG. The eccentric wheel is installed between the inner tooth plate and the outer tooth plate
  • FIG. 11 is a schematic view showing the working process of the oil collecting component provided by the present invention.
  • a connecting boss 14 may be disposed on the oil collecting member 1, and a groove capable of engaging with the connecting boss 14 is respectively disposed on the eccentric wheel 5 and the wedge block 6, so that the oil collecting member 1 passes through the connecting boss 14
  • the connecting boss 14 can be directly removed from the groove. It should be understood by those skilled in the art that other detachable connection manners may be adopted between the connecting boss 14 and the recess, and are not limited to the above-mentioned snapping.
  • the four friction pairs 2 described above are only the four common friction pairs 2 in the seat recliner. When there are other friction pairs 2 in the seat recliner, they can also be on the other friction pairs 2.
  • the oil collecting component 1 is set, and then set up in analogy with the above structure to achieve the oil collecting effect and reduce the wear of the components.
  • the oil collecting member 1 is disposed on the eccentric wheel 5 as an example, but it is not understood that the oil collecting member 1 of the present invention can be disposed only on the eccentric wheel 5; when the oil collecting member 1 is disposed on other friction members When it is up, it can be set with reference to its structure on the eccentric 5 .
  • the oil collecting component 1 of the present invention is fixedly coupled to one of the friction pairs 2 of the seat recliner, and the oil collecting component 1 has another component facing the friction pair 2
  • the end surface 11 is provided with a boss 12 at both ends of the end surface 11, so that the oil collecting gap 13 is formed in the middle portion of the end surface 11; the side surface of the boss 12 is the oil guiding surface 121, and the oil guiding surface 121 is in the direction from the outside to the inside.
  • the upper portion is gradually disposed near the center of the oil collecting gap 13.
  • the opposite faces of the two bosses 12 are the respective side faces, i.e., the oil guiding face 121, as shown in FIG.
  • the direction of the oil collecting member 1 parallel to the central axis of the seat recliner is its longitudinal direction, and the side close to the longitudinal center line M of the oil collecting member 1 is On the inner side, the direction from the outside to the inside means a direction from a side away from the longitudinal center line M of the oil collecting member 1 toward its longitudinal center line M.
  • the end surface of the boss 12 above the longitudinal center line M is defined as the top surface, and the lower end surface is the bottom surface.
  • both sides of the oil guiding surface 121 are The end point is connected to the X-axis
  • the direction of the rotation direction R is the positive direction of the X-axis
  • the parallel line of the longitudinal center line M is the Y-axis
  • the direction from the lower-up direction to the positive direction of the Y-axis is plotted in FIG.
  • the boss 12 above the Y-axis is defined as a first boss 122
  • the boss 12 below the Y-axis is defined as a second boss 123
  • the first boss 122 is disposed upside down, the first boss 122
  • the ordinate of each point on the oil guiding surface 121 is first decreased in the positive direction of the X axis and then increased, and is symmetrically arranged with respect to the vertical line where the longitudinal center line M is located; since the first boss 122 is an inverted structure, The distance from each point on the oil guiding surface 121 to the top surface gradually increases; the ordinate of each point on the oil guiding surface 121 of the second boss 123 increases first in the positive direction of the X axis, and decreases with respect to the longitudinal center line M.
  • the vertical line is symmetrically disposed; by the above structure, the oil collecting gap 13 between the first boss 122 and the second boss 123 is in a state in which the intermediate small ends are large, and the first boss 122 and the second boss are
  • the oil guiding surface 121 of 123 corresponds to the oil guiding surface, and the lubricating oil can be smoothly introduced into the oil collecting gap 13 and flowed through the oil collecting gap 13 to the friction surface.
  • the oil guiding surface 121 of the present invention is not limited to being provided in a semicircular shape, a trapezoidal shape or a triangular shape as long as the oil guiding surface 121 has a certain inclination, which can facilitate the gradual introduction of the lubricating oil into the middle of the oil collecting gap 13.
  • first boss 122 and the second boss 123 may also be configured in different configurations.
  • the cross section of the first boss 122 may be set to be trapezoidal, and the cross section of the second boss 123 may be The surface is set to other structures such as a triangle.
  • the black portion represents the lubricating oil 7, and the direction in which the arrow R is directed is the direction of rotation of the eccentric 5 and the oil collecting member 1.
  • the oil collecting member 1 disposed thereon rotates with the eccentric wheel 5; during the rotation, the oil guiding surface 121 with its side facing the rotational direction R first and the axial hole of the outer toothed plate 4 The inner wall of the 41 is in contact, so that the lubricating oil 7 which is crushed to the both ends of the other member is scraped; the scraped lubricating oil 7 is attached to the oil guiding surface 121, and the oil collecting member 1 is continuously rotated in the rotational direction R, although The lubricating oil 7 can continue to rotate with the oil guiding surface 121 under the action of the inertial force, but the rotational speed thereof is smaller than the moving speed of the oil guiding surface 121, and the lubricating oil 7 gradually flows along the oil guiding surface 121 to the oil collecting gap 13 in the middle portion of the end surface 11.
  • the lubricating oil 7 is re-collected; since the end surface 11 is disposed toward the inner wall of the axial hole 41, the lubricating oil 7 flowing into the oil collecting gap 13 is defined between the inner wall and the end surface 11 of the axial hole 41, and the lubricating oil 7 is reattached On the inner wall of the shaft hole 41; when the boss 12 is rotated away from the previous oil collecting position (that is, the position at which the boss 12 abuts against the inner wall of the shaft hole 41), the outer end surface of the eccentric 5 and the shaft hole The inner wall of 41 is in contact again, The relative movement is completed in the state of lubricating oil; as shown in Fig. 10, on the side facing the rotational direction R, the lubricating oil is crushed to both ends, and after the oil collecting member 1 is rotated, the lubricating oil is recollected to the middle. , in order to lubricate the friction surface.
  • FIG. 12 is a perspective structural view of the oil collecting component provided by the present invention in the first embodiment
  • FIG. 13 is a perspective view of the oil collecting component provided by the present invention in the second embodiment. Structure diagram.
  • the bosses 12 at both ends may be arranged in a symmetrical structure, and each of the bosses 12 is arranged in a symmetrical structure with the longitudinal center line M of the oil collecting member 1 as an axis of symmetry.
  • the oil collecting member 1 when the oil collecting member 1 is mounted on one of the friction pairs 2, the portions near the opposite end faces of the member constitute both ends of the oil collecting member 1; both ends of the oil collecting member 1 are also collected
  • the two longitudinally opposite ends of the element 1 are exemplified by the oil collecting element 1 being mounted on the eccentric 5, and the longitudinal direction of the oil collecting element 1 is parallel to the axial direction of the eccentric 5; as shown in Fig. 8, Fig. 12 and As shown in Fig. 13, the longitudinal direction of the oil collecting member 1 includes a direction in which the longitudinal center line M is located and a direction parallel to the longitudinal center line M; correspondingly, perpendicular to the longitudinal center line M in the horizontal plane The direction is the lateral direction of the oil collecting member 1.
  • the bosses 12 are symmetrically disposed about the longitudinal center line M, the two sides of the oil guiding surface 121 of the boss 12 have the same structure, and the oil guiding surface 121 is regardless of whether the rotating direction R of the boss 12 is clockwise or counterclockwise.
  • the lubricating oil 7 can be scraped off at the side end in the front direction of the rotation direction R, and then smoothly collected into the oil collecting gap 13, which is wider in application range and more flexible and convenient in operation.
  • the lubricating oil flows into the oil collecting gap 13 from the outside to the inside along the oil guiding surface 121 at substantially the same speed to improve the uniformity of lubrication to the friction surface.
  • the cross section of the boss 12 may be set to a semicircular structure, an isosceles trapezoidal structure or an isosceles triangle, as shown in Fig. 13.
  • the cross section of the boss 12 may be set to a trapezoidal shape, a triangular shape or the like.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • General Details Of Gearings (AREA)
  • Seats For Vehicles (AREA)

Abstract

一种座椅调角器以及集油元件，所述集油元件（1）与座椅调角器的摩擦副（2）中的一个部件固连，所述集油元件（1）具有朝向所述摩擦副（2）中另一个部件的端面（11），所述端面（11）的两端设有凸台（12），以在所述端面（11）的中段形成集油间隙（13），所述凸台（12）的侧面为导油面（121），且由外而内渐近所述集油间隙（13）的中心设置。所述集油元件（1）能够将摩擦副（2）之间的润滑油重新收集到摩擦面，以降低磨损速度。在运动过程中，所述凸台（12）首先以其导油面（121）的外侧抵顶另一个部件的端壁，以便将被摩擦副（2）碾压到另一部件两端的润滑油阻隔，被阻隔的润滑油进一步沿所述凸台（12）的导油面（121）流向集油元件（1）的端面（11）中段的集油间隙（13），进而对摩擦面进行润滑；当摩擦副（2）高速运转时，集油元件（1）的集油间隙（13）相当于动态油道，不断地将润滑油收集到摩擦面之间。

Description

一种座椅调角器以及集油元件
本申请要求于 2013 年 06 月 17 日提交中国专利局、 申请号为 201310239096.2、 发明名称为"一种座椅调角器以及集油元件"的中国专利 申请的优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及座椅角度调节技术领域， 特别是涉及一种用于座椅调节器 的集油元件。 本发明还涉及一种具有上述集油元件的座椅调角器。 背景技术
目前， 座椅调角器大致可以分为两大类： 一类是采用棘轮棘齿机构原 理的板簧式调节机构；另一类是采用行星齿轮传动原理的齿轮式调节机构。
请参考图 1-3 , 图 1为现有技术中座椅的外形结构图； 图 2为现有技 术中座椅调角器在一种具体实施方式中的装配爆炸图； 图 3为图 2所示座 椅调角器中齿轮传动机构的结构筒图。
现有的座椅调角器 00安装在椅背和椅座之间，且一般采用行星齿轮传 动， 如图 1所示。
如图 2和图 3所示， 现有的座椅调角器 00包括具有内齿圏的内齿板 01、具有外齿圏的外齿板 02、偏心轮 03、楔形块 04和驱动凸轮 05。 其中， 内齿板 01用于与椅背固定连接， 该内齿板 01的中部设有轴肩 011 ; 外齿 板 02用于与椅座固定连接， 该外齿板 02的中部设置有轴心孔 021 ; 外齿 圏与内齿圏相啮合， 且轴肩 011与轴心孔 021之间形成径向偏心区域； 偏 心轮 03置于所述径向偏心区域内， 偏心轮 03、 内齿板 01和外齿板 02构 成少齿差行星齿轮传动机构； 楔形块 04置于所述径向偏心区域内； 且， 偏 心轮 03和楔形块 04在弹性件施加的周向力作用下消除所述偏心轮 03与外 轮 03或者楔形块 04, 以便于实现内齿板 01相对外齿板 02产生角度转动。
在驱动凸轮 05驱动偏心轮 03或者楔形块 04转动的过程中， 偏心轮 03与外齿轮 02的轴心孔 021、 偏心轮 03与内齿板 01的轴肩 011、 楔形块 04与外齿轮 02的轴心孔 021、楔形块 04与内齿板 01的轴肩 011构成四个 摩擦副， 上述四个摩擦副均经历有油润滑、 边界摩擦和干摩擦三个阶段。
所述有油润滑是指两摩擦面之间有润滑油的摩擦； 边界摩擦是指两摩 擦面之间有润滑油存在， 由于润滑油与金属表面的吸附作用， 因而在金属 表面上形成极薄的边界油膜，边界油膜的厚度小于 Ι μ ιη, 不足以将两金属 表面分隔开， 所以相互运动时， 两金属表面微观的高峰部分将互相搓削， 这种状态称为边界摩擦； 干摩擦是指无润滑油的摩擦。
在开始阶段， 上述摩擦副均为有油润滑和边界摩擦， 随着使用次数的 增加， 形成摩擦副的两部件之间的润滑油被碾压到摩擦面的两端， 摩擦副 之间的摩擦会转变为干摩擦，此时形成摩擦副的两个部件之间的磨损加剧； 当磨损到一定程度后，座椅调角器 00与座椅之间会出现晃动间隙，操作过 程中会存在噪音、 抖动等现象， 进而影响座椅的舒适性。
伴随着汽车行业的发展，对座椅使用寿命以及舒适性的要求越来越高， 而座椅的使用寿命和舒适度在很大程度上受到座椅调角器 00的影响，故现 有的座椅调角器 00已经不能满足人们的需求。
因此， 如何设计一种座椅调角器， 以降低其内部摩擦副的磨损， 延长 其使用寿命， 是本领域技术人员目前需要解决的技术问题。 发明内容
本发明的目的是提供一种座椅调角器， 其内部摩擦副一直处于有油润 滑和边界摩擦状态， 磨损速度较慢。
本发明的另一目的是提供一种座椅调角器的集油元件， 能够将座椅调 角器内部的摩擦副之间的润滑油重新收集到摩擦面， 以降低摩擦副的磨损 速度。
为解决上述技术问题， 本发明提供一种座椅调角器的集油元件， 所述 集油元件与座椅调角器中形成摩擦副的一个部件固连， 所述集油元件具有 朝向所述摩擦副中另一个部件的端面， 所述端面的两端设有凸台， 以在所 述端面的中段形成集油间隙， 所述凸台的侧面为导油面， 且由外而内渐近 所述集油间隙的中心设置。
本发明的集油元件固连在摩擦副的一个部件上， 并在朝向摩擦副中另 一个部件的端面的两端设置凸台， 且端面中段形成有集油间隙， 所述凸台 的侧面在由外而内的方向上， 逐渐靠近渐近所述集油间隙的中心设置， 则 所述凸台的侧面形成导油面； 在运动过程中， 所述凸台首先以其侧面的外 侧抵顶另一个部件的端壁， 以便将被摩擦副碾压到另一个部件两端的润滑 油阻隔， 被阻隔的润滑油进一步沿所述导油面 （即所述凸台的侧面） 流向 所述集油间隙， 进而对摩擦面进行润滑； 当摩擦副高速运转时， 集油元件 的集油间隙相当于润滑油的动态油道， 不断地将润滑油收集到摩擦副的摩 擦面之间， 有效地降低了摩擦副的磨损速度， 提高了座椅调角器的使用寿 命。
优选地， 处于两端的所述凸台均以所述集油元件的纵向中心线为轴对 称设置。
当所述凸台采用对称结构设置时， 处于所述端面中段的集油间隙也为 对称结构， 则润滑油能够较为均匀地对称分布在集油元件的两侧， 以便对 处于集油元件两侧的摩擦面进行较为均匀地润滑， 避免局部出现干摩擦现 优选地， 所述凸台的横截面呈半圓形设置。
优选地， 所述凸台的横截面呈等腰梯形设置。
优选地， 所述凸台的横截面呈等腰三角形设置。
当凸台采用对称结构时， 可以选择不同的横截面设置， 可以为半圓形 状、 等腰梯形或等腰三角形等， 此时凸台的侧面在由外向内的方向上过渡 较为顺畅， 有助于引导润滑油流向所述集油间隙的中间， 增强集油效果。
优选地， 所述集油元件为弹性件。
当集油元件为弹性件时， 集油元件的弹性变形会对摩擦副中的另一个 部件施加一定的挤压力， 从而将另一个部件两端的润滑油有效地刮起， 然 后流入集油元件中段的集油间隙中。
本发明还提供一种座椅调角器， 所述座椅调角器的两个部件之间形成 摩擦副， 所述摩擦副中的一个部件固连有上述任一项所述的集油元件。 优选地， 所述座椅调角器包括具有轴肩的内齿板、 具有轴心孔的外齿 板、偏心轮和楔形块，所述摩擦副形成于所述偏心轮与轴肩的外表面之间、 所述偏心轮与所述轴心孔的内壁之间、 所述楔形块与所述轴肩的外表面之 间以及所述楔形块与所述轴心孔的内壁之间。
优选地， 所述集油元件具有连接凸台， 所述偏心轮和楔形块具有与所 述连接凸台卡固的凹槽， 便于提高连接的可靠性和拆装的便捷性。
由于本发明的座椅调角器具有上述任一项所述的集油元件， 故上述任
附图说明
图 1为现有技术中座椅的外形结构图；
图 2为现有技术中座椅调角器在一种具体实施方式中的装配爆炸图； 图 3为图 2所示座椅调角器中齿轮传动机构的结构筒图；
图 4为本发明所提供座椅调角器在一种具体实施方式中的组装分解立 体图；
图 5为图 4所示座椅调角器组装后的结构图；
图 6为图 5所示座椅调角器沿 A-A方向的剖面图；
图 7为图 5所示座椅调角器沿 B-B方向的剖面图；
图 8为本发明所提供集油元件在一种具体实施方式中设置在偏心轮上 的立体结构图；
图 9为图 8所示集油元件中凸台的横截面示意图；
图 10为图 8所示偏心轮安装在内齿板和外齿板之间的结构示意图； 图 11为本发明所提供集油元件的工作过程示意图；
图 12 为本发明所提供集油元件在第一种具体实施方式中的立体结构 图；
图 13 为本发明所提供集油元件在第二种具体实施方式中的立体结构 图。 具体实施方式 本发明的核心是提供一种座椅调角器， 其内部摩擦副一直处于有油润 滑和边界摩擦状态， 磨损速度较慢。
本发明的另一核心是提供一种座椅调角器的集油元件， 能够将座椅调 角器内部的摩擦副之间的润滑油重新收集到摩擦面， 以降低摩擦副的磨损 速度。
为了使本技术领域的人员更好地理解本发明方案， 下面结合附图和具 体实施方式对本发明作进一步的详细说明。
请参考图 4-7, 图 4为本发明所提供座椅调角器在一种具体实施方式 中的组装分解立体图； 图 5为图 4所示座椅调角器组装后的结构图； 图 6 为图 5所示座椅调角器沿 A-A方向的剖面图； 图 7为图 5所示座椅调角器 沿 B-B方向的剖面图。
本发明的座椅调角器包括内齿板 3、 外齿板 4、 偏心轮 5和楔形块 6, 内齿板 3具有内齿圏 32, 且其中部设有轴肩 31 ; 外齿板 4具有外齿圏 42, 且其中部设有轴心孔 41 ; 内齿板 3和外齿板 4分别以内齿圏 32和外齿圏 42啮合， 轴肩 31与轴心孔 41之间形成径向偏心区域； 偏心轮 5和楔形块 6均内置于所述径向偏心区域中。 此时， 偏心轮 5的内外两侧端面分别与 轴肩 31的外表面和轴心孔 41的内表面形成两个摩擦副 2, 如图 6所示； 楔形块 6的内外两侧端面也分别与轴肩 31的外表面和轴心孔 41的内表面 形成两个摩擦副 2, 如图 7所示。
本发明的座椅调角器还设有集油元件 1 , 集油元件 1与某个摩擦副 2 中的一个部件固定连接， 并以其端面 11 (参见图 8 )朝向摩擦副 2中的另 一个部件， 进而对端面 11上的结构进行设置，从而将被摩擦副 2碾压到摩 擦面两端的润滑油重新收集到两摩擦面中间， 如图 6和图 7所示。
理论上讲， 集油元件 1可以固定连接在摩擦副 2的任意部件上， 可以 是轴心孔 41的内壁、 偏心轮 5、 楔形块 6或者轴肩 31。 当然， 由于摩擦副 2形成于偏心轮 5的内侧端面与轴肩 31的外端面之间、偏心轮 5的外侧端 面与轴心孔 41的内壁之间、 楔形块 6的内侧端面与轴肩 31的外侧端面之 间、楔形块 6的外侧端面与轴心孔 41的内壁之间，故集油元件 1仅需设置 在上述每个摩擦副 2中一个部件上即可， 而无需在同一摩擦副 2的两个摩 擦面上均设置集油元件 1。
更为优选的是， 由于座椅调角器进行角度调整时偏心轮 5和楔形块 6 处于运动状态， 可以在偏心轮 5和楔形块 6的内外两侧端面分别安装至少 一个集油元件 1 , 则两者在运动的过程中带动集油元件 1转动， 进而通过 集油元件 1作用于轴肩 31的外端面和轴心孔 41的内壁， 从而将分布于轴 肩 31和轴心孔 41内壁周向的润滑油重新收集。
考虑到偏心轮 5与楔形块 6形成摩擦副 2的部件均为轴肩 31的外端面 和轴心孔 41的内壁，还可以仅在偏心轮 5上或者仅在楔形块 6上设置集油 元件 1 , 从而将润滑油重新收集并附着于轴肩 31的外端面和轴心孔 41的 内壁， 而无需分别在偏心轮 5和楔形块 6均设置集油元件 1 , 以降低成本， 筒化拆装过程。
请参考图 8-11 , 图 8为本发明所提供偏心轮一种设置方式的立体结构 图； 图 9为图 8所示集油元件中凸台的横截面示意图； 图 10为图 8所示偏 心轮安装在内齿板和外齿板之间的结构示意图；图 11为本发明所提供集油 元件的工作过程示意图。
为便于拆装， 可以在集油元件 1上设置连接凸台 14, 在偏心轮 5和楔 形块 6上分别设置能够与连接凸台 14配合的凹槽，以便集油元件 1通过连 接凸台 14卡固； 当不需要集油元件 1或者需要更换集油元件 1时， 直接将 连接凸台 14从凹槽上拆除即可。本领域技术人员应该可以理解，连接凸台 14与凹槽之间还可以采用其他可拆卸的连接方式， 不限于上述的卡接。
此外， 上文所述四个摩擦副 2仅是座椅调角器中比较常见的四个摩擦 副 2, 当座椅调角器中存在其他摩擦副 2时， 也可以在其他摩擦副 2上设 置集油元件 1 , 然后类比上述结构进行设置， 以达到集油效果， 减小零部 件的磨损。
以下仅以集油元件 1设置在偏心轮 5上为例进行说明， 但这并不能理 解为本发明的集油元件 1仅能设置在偏心轮 5上； 当集油元件 1设置在其 他摩擦部件上时， 可以参照其在偏心轮 5上的结构进行设置。
在一种具体实施方式中， 本发明的集油元件 1 , 与座椅调角器的摩擦 副 2中的一个部件固定连接， 集油元件 1具有朝向摩擦副 2中另一个部件 的端面 11 , 该端面 11的两端设有凸台 12, 从而在端面 11的中段形成集油 间隙 13; 凸台 12的侧面为导油面 121 ,导油面 121在由外而内的方向上逐 渐靠近集油间隙 13的中心设置。
由于凸台 12突出端面 11的表面设置在其两端，则两凸台 12相对的面 即为各自的侧面， 即导油面 121 , 如图 8所示。
当集油元件 1安装在座椅调角器上时， 集油元件 1平行于座椅调角器 的中轴线的方向为其纵向，则靠近集油元件 1纵向中心线 M的一侧为其内 侧，所述由外而内的方向是指由远离集油元件 1纵向中心线 M的一侧指向 其纵向中心线 M的方向。
为表达方便， 定义凸台 12处于纵向中心线 M上方的端面为顶面， 处 于下方的端面为底面，在凸台 12的顶面和底面为平面的情况下， 以导油面 121两侧的端点连线为 X轴， 以转动方向 R的指向为 X轴的正方向， 以纵 向中心线 M的平行线为 Y轴， 以由下向上的方向为 Y轴的正方向绘制图 9。
在图 9中， 处于 Y轴上方的凸台 12定义为第一凸台 122, 处于 Y轴 下方的凸台 12定义为第二凸台 123;第一凸台 122倒置设置，第一凸台 122 的导油面 121上各个点的纵坐标在 X轴的正向上先减小后增加， 且关于纵 向中心线 M所在的竖直线对称设置； 由于第一凸台 122为倒置的结构， 则 其导油面 121上各点到顶面的距离逐渐增大； 第二凸台 123的导油面 121 上各点的纵坐标在 X轴的正向先增大后减小， 且关于纵向中心线 M所在 的竖直线对称设置； 通过上述结构， 第一凸台 122和第二凸台 123之间的 集油间隙 13呈中间小两端大的状态，则第一凸台 122和第二凸台 123的导 油面 121相当于导油面， 能够顺利地将润滑油导入集油间隙 13中，并通过 集油间隙 13流动到摩擦面。
可见，本发明的导油面 121不限于设置为半圓形状、梯形或者三角形， 只要导油面 121具有一定的斜度即可， 该斜度能够便于将润滑油逐渐导入 集油间隙 13的中间。
此外， 第一凸台 122和第二凸台 123也可以采用不同的结构设置， 例 如， 可以将第一凸台 122的横截面设置为梯形， 而将第二凸台 123的横截 面设置为三角形等其他结构。
如图 10和图 11所示， 黑色部分代表润滑油 7, 箭头 R所指向的方向 为偏心轮 5和集油元件 1的转动方向。
当偏心轮 5转动时， 设置在其上的集油元件 1随偏心轮 5转动； 在转 动过程中， 导油面 121以其朝向转动方向 R的一侧首先与外齿板 4的轴心 孔 41的内壁接触，从而将被碾压到另一个部件两端的润滑油 7刮起；被刮 起的润滑油 7附着于导油面 121上， 由于集油元件 1沿转动方向 R不断转 动， 虽然润滑油 7在惯性力的作用下能够随导油面 121继续转动， 但其转 动速度小于导油面 121的运动速度， 则润滑油 7逐渐沿导油面 121流向端 面 11中段的集油间隙 13, 润滑油 7被重新收集； 由于端面 11朝向轴心孔 41的内壁设置， 则流入集油间隙 13的润滑油 7被限定在轴心孔 41的内壁 与端面 11之间， 润滑油 7重新附着于轴心孔 41的内壁上； 当凸台 12转离 上一个集油位置（也就是凸台 12与轴心孔 41的内壁相抵接的位置）后， 偏心轮 5的外端面与轴心孔 41的内壁重新接触，并在有润滑油的状态下完 成相对运动； 如图 10所示， 在朝向转动方向 R的一侧， 润滑油被碾压到 两端， 当集油元件 1转过后， 润滑油被重新收集到中间， 以便对摩擦面进 行润滑。
可以对上文所述的集油元件 1进行进一步的改进。
请参考图 12-13, 图 12为本发明所提供集油元件在第一种具体实施方 式中的立体结构图；图 13为本发明所提供集油元件在第二种具体实施方式 中的立体结构图。
可以将处于两端的凸台 12设置成对称结构， 各个凸台 12均以集油元 件 1的纵向中心线 M为对称轴设置成对称结构。
需要说明的是， 当集油元件 1安装在摩擦副 2中的一个部件上时， 靠 近该部件两相对端面的部分构成集油元件 1的两端； 集油元件 1的两端同 时也是集油元件 1在纵向上相对的两个端部， 以集油元件 1安装在偏心轮 5上为例， 集油元件 1的纵向即为平行于偏心轮 5的轴线方向； 如图 8、 图 12和图 13所示， 集油元件 1的纵向包括其纵向中心线 M所在的方向以及 平行于纵向中心线 M的方向； 相应的， 在水平面内垂直于纵向中心线 M 的方向为集油元件 1的横向。
当凸台 12关于纵向中心线 M对称设置时，凸台 12的导油面 121的两 侧结构相同， 则不管凸台 12的转动方向 R是顺时针方向还是逆时针方向， 导油面 121均能够以其处于转动方向 R的前方的侧端将润滑油 7刮起， 然 后顺利地收集到集油间隙 13中， 其适用范围更广， 操作更加灵活便捷。
另一方面， 当导油面 121呈对称结构时， 润滑油沿导油面 121从外向 内流入集油间隙 13的速度基本相同， 以提高对摩擦面润滑的均匀性。
在凸台 12设置成对称结构的情况下， 凸台 12的横截面可以设置为半 圓形结构、 等腰梯形结构或者等腰三角形， 如图 13 所示。 当然， 在凸台 12为非对称结构时， 凸台 12的横截面也可以设置为梯形、 三角形等结构。
以上对本发明所提供的座椅调角器及其集油元件进行了详细介绍。 本 的说明只是用于帮助理解本发明座椅调角器以及集油元件的核心思想。 应 当指出， 对于本技术领域的普通技术人员来说， 在不脱离本发明原理的前 提下， 还可以对本发明进行若干改进和修饰， 这些改进和修饰也落入本发 明权利要求的保护范围内。

Claims

权 利 要 求
1、 一种座椅调角器的集油元件， 所述集油元件（1)与座椅调角器中 形成摩擦副 （2) 的一个部件固连， 其特征在于， 所述集油元件（1)具有 朝向所述摩擦副 （2) 中另一个部件的端面 （11 ), 所述端面 （11 ) 的两端 设有凸台 （12), 以在所述端面 （11) 的中段形成集油间隙 （13), 所述凸 台 （12) 的侧面为导油面 （121 ), 且由外而内渐近所述集油间隙 （13) 的 中心设置。
2、 如权利要求 1所述的集油元件， 其特征在于， 处于两端的所述凸台 (12) 均以所述集油元件（ 1 ) 的纵向中心线为轴对称设置。
3、 如权利要求 2所述的集油元件， 其特征在于， 所述凸台 （12)的横 截面呈半圓形设置。
4、 如权利要求 2所述的集油元件， 其特征在于， 所述凸台 （12)的横 截面呈等腰梯形设置。
5、 如权利要求 2所述的集油元件， 其特征在于， 所述凸台 （12)的横 截面呈等腰三角形设置。
6、 如权利要求 1-5任一项所述的集油元件， 其特征在于， 所述集油元 件 （1) 为弹性件。
7、一种座椅调角器，所述座椅调角器的两个部件之间形成摩擦副（ 2 ), 其特征在于， 所述摩擦副（2)中的一个部件固连有上述 1-6任一项所述的 集油元件（ 1 )。
8、 如权利要求 7所述的座椅调角器， 其特征在于， 所述座椅调角器包 括具有轴肩 （31) 的内齿板（3)、 具有轴心孔（41) 的外齿板（4)、 偏心 轮（ 5 )和楔形块（ 6 ),所述摩擦副（ 2 )形成于所述偏心轮（ 5 )与轴肩（ 31 ) 的外表面之间、 所述偏心轮 ( 5 )与所述轴心孔（ 41 )的内壁之间、 所述楔 形块（6)与所述轴肩 （31) 的外表面之间以及所述楔形块（6) 与所述轴 心孔（41 ) 的内壁之间。
9、 如权利要求 8所述的座椅调角器， 其特征在于， 所述集油元件（ 1 ) 具有连接凸台 （ 14 ), 所述偏心轮（ 5 )和楔形块（ 6 )具有与所述连接凸台 ( 14)卡固的凹槽 c
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