CN111115519A - An adjustable armrest seat of a stand-on electric forklift - Google Patents
An adjustable armrest seat of a stand-on electric forklift Download PDFInfo
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- CN111115519A CN111115519A CN202010130107.3A CN202010130107A CN111115519A CN 111115519 A CN111115519 A CN 111115519A CN 202010130107 A CN202010130107 A CN 202010130107A CN 111115519 A CN111115519 A CN 111115519A
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- guide sleeve
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- support plate
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- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 18
- 239000010959 steel Substances 0.000 claims description 18
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
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- 230000004048 modification Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/0759—Details of operating station, e.g. seats, levers, operator platforms, cabin suspension
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
本发明涉及站驾式叉车的手制动的技术领域，具体涉及一种站驾式电动叉车的可调扶手座。包括下端带有法兰盘的导柱、管柱底座、高度调节机构和角度调节机构，高度调节机构包括锁紧导套和解锁手柄，锁紧导套包括套装在一起的内导套和外导套，内导套和导柱轴向滑动配合，外导套的内侧壁上开设斜面，斜面和对应内导套侧壁通过钢球弹性接触，并通过锁紧弹簧锁紧，实现内导套和导柱的锁紧定位；解锁手柄包括一对连杆和连接着一对连杆上端的手柄，角度调节机构包括螺杆、长方形的支座板和连板，螺杆上配合安装有带销孔的螺母，连板的一端和螺母销轴连接，另一端和管柱底座销轴连接。本发明的扶手座固定安装在叉车上，可以无极调整扶手的高度和角度。
The invention relates to the technical field of hand brakes of stand-on forklifts, in particular to an adjustable armrest seat of stand-on electric forklifts. It includes a guide column with a flange at the lower end, a pipe column base, a height adjustment mechanism and an angle adjustment mechanism. The height adjustment mechanism includes a locking guide sleeve and an unlocking handle. The locking guide sleeve includes an inner guide sleeve and an outer guide. Sleeve, the inner guide sleeve and the guide post are axially slidably matched, the inner side wall of the outer guide sleeve is provided with a slope, and the slope and the corresponding inner guide The locking and positioning of the guide column; the unlocking handle includes a pair of connecting rods and a handle connected to the upper ends of the pair of connecting rods, the angle adjustment mechanism includes a screw rod, a rectangular support plate and a connecting plate, and a nut with a pin hole is fitted on the screw rod. , one end of the connecting plate is connected with the pin of the nut, and the other end is connected with the pin of the base of the pipe column. The armrest seat of the present invention is fixedly installed on the forklift, and the height and angle of the armrest can be adjusted steplessly.
Description
Technical Field
The invention relates to the technical field of hand braking of a standing-driving type forklift, in particular to an adjustable armrest seat of a standing-driving type electric forklift.
Background
The right side area of the standing-driving type electric forklift is generally provided with a handrail for supporting the arm of an operator, so that the operation control of each action of the forklift is facilitated. At present, the standing-driving type electric forklift mostly has no configuration of an adjustable handrail, and the handrail equipped at an operation position is fixed. The height of the handrail is designed according to the average height, the design is not in line with the design principle of human engineering, the design is not humanized enough, and the use requirements of people with different heights and operators with operation habits are difficult to meet.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an adjustable armrest seat of a standing-driving type electric forklift, which overcomes the defects in the background technology and can steplessly adjust the height and the angle of an armrest, and the specific technical scheme is as follows:
an adjustable armrest seat of a standing-driving type electric forklift comprises a guide pillar 1 with a flange plate at the lower end, a tubular column base mechanism 3, a height adjusting mechanism and an angle adjusting mechanism;
a compression spring 15 is arranged in the guide post 1;
the pipe column base mechanism 3 comprises an upright pipe column 301 with a flange plate at the lower end;
the height adjusting mechanism comprises a locking guide sleeve mechanism 2 and an unlocking mechanism 5;
the locking guide sleeve mechanism 2 comprises an inner guide sleeve 203 and an outer guide sleeve 201 which are sleeved together;
the inner guide sleeve 203 and the pipe column 301 are sequentially sleeved on the guide post 1 from bottom to top, and the inner guide sleeve 203 and the pipe column 301 can synchronously slide along the axial direction of the guide post 1;
the port of the lower end of the outer guide sleeve 201 in the shape of a truncated cone is elastically contacted with the side wall of the inner guide sleeve through a steel ball 206 and is locked through a locking spring 205, so that the locking and positioning of the inner guide sleeve 203 and the guide pillar 1 are realized;
the unlocking mechanism comprises a pair of connecting rods 501 symmetrically arranged on two opposite sides of the tubular column 301, the upper ends of the pair of connecting rods 501 are movably connected with the side wall of the tubular column 301, and the lower ends of the pair of connecting rods 501 are fixedly connected with the outer guide sleeve 201 respectively;
the angle adjusting mechanism comprises a rectangular support plate 6, a screw rod 10 and a connecting plate 13;
the support plate 6 is horizontally positioned at the upper end of the pipe column 301, and two sides of the support plate 6 are respectively connected with the side wall of the pipe column 301 through a pin shaft 7 with a wall;
the screw 10 is arranged along the length direction of the support plate 6 and is fixedly installed with the support plate 6 through a bearing seat 9, and a nut 11 with a pin hole is installed on the screw 10 in a matched mode;
one end of the connecting plate 13 is connected with the nut 11 through a pin shaft, and the other end of the connecting plate is hinged to the outer side wall of the pipe column 301;
when the armrest seat works, the pair of connecting rods 501 are pulled downwards to drive the outer guide sleeve 201 to move upwards, and pressing force between the inner guide sleeve 203 and the corresponding guide pillar 1 is eliminated, so that the inner guide sleeve 203 can move axially along the guide pillar 1 to adjust the height of the armrest seat; the screw rod 10 is rotated, the position of the nut 11 is adjusted, the support plate 6 is driven by the connecting plate 13 to rotate, and the angle adjustment of the armrest seat is realized.
Further, the outer cylindrical surface of the inner guide sleeve 203 is in a step shape, and the diameter of the upper part is larger than that of the lower part;
the outer guide sleeve 201 is a sleeve with three-stage stepped hole shapes, the pipe diameters of the outer guide sleeve are sequentially reduced from top to bottom and respectively form an upper part, a middle part and a lower part, and the lower port of the lower part is a truncated cone-shaped port;
the upper part of the inner guide sleeve 203 is matched with the upper part of the outer guide sleeve 201, so that the inner guide sleeve 203 and the outer guide sleeve 201 are sleeved together;
the lower part of the inner guide sleeve 203 is sleeved with a locking spring 205, the upper end of the locking spring 205 is abutted to the step of the inner guide sleeve 203, and the lower end is abutted to the lower step of the outer guide sleeve 201.
Further, through holes are uniformly formed in the side wall of the lower portion of the inner guide sleeve 203 along the same circumference, and steel balls 206 are arranged in the through holes in a matched mode, so that the steel balls 206 are in elastic contact with the lower end opening of the lower portion of the outer guide sleeve 201 and are locked and positioned through a locking spring 205; when the outer guide sleeve 201 moves upwards along the guide post 1, the pressing force of the lower port of the lower part of the outer guide sleeve 201 on the steel ball 206 is eliminated, so that the locking and positioning of the inner guide sleeve 203 and the guide post 1 are released.
Further, a radial positioning pin 202 is arranged on the inner side wall of the inner guide sleeve 203, an axial key groove is arranged on the outer side wall of the guide pillar 1, and the positioning pin 202 and the key groove are matched to enable the inner guide sleeve 203 to slide along the axial direction of the guide pillar 1 in a positioning mode.
Further, a pair of support plates 303 is fixedly arranged on the side wall of the pipe column 301 corresponding to two sides of the support plate 6, and the pair of support plates 303 and two sides of the support plate 6 are respectively connected through a pin shaft 7 with a wall;
a connecting plate 305 and a pin shaft plate 302 are respectively arranged at two ends of the side wall of the pipe column 301 corresponding to the support plate 6, and the corresponding ends of the connecting plate 305 and the connecting plate 13 are connected through a pin shaft;
the upper ends of the pair of connecting rods 501 are respectively provided with a shaft sleeve 502, so that the upper ends of the pair of connecting rods 501 are connected with the pin shaft plate 302 through the matching of the shaft sleeves 502 and the pin shafts;
a pair of connecting rod mounting plates 204 are fixedly arranged on the side walls of the outer guide sleeve 201, so that the lower ends of the pair of connecting rods 501 are fixedly connected with the outer guide sleeve 201 through the corresponding pair of connecting rod mounting plates 204.
Further, the pin shaft 7 with wall comprises a cam-shaped wall plate and a short shaft, the short shaft is arranged on the wide part of the wall plate, and the narrow part of the wall plate is fixedly connected with the vertical plates on two sides of the support plate 6.
Further, an upper cover plate 304 is fixedly arranged at an upper port of the pipe column 301, and the upper end of the compression spring 15 in the guide pillar 1 is in contact with the upper cover plate 304.
The invention has the following beneficial technical effects:
1. according to the adjustable armrest seat, when the height is adjusted steplessly, one hand slightly presses the support plate, the other hand slightly presses the handle, the handle rotates clockwise around the center of the pin shaft, the pair of connecting rods is lifted to drive the outer guide sleeve to move upwards, the steel ball loses the extrusion of the truncated cone-shaped lower port of the outer guide sleeve, the inner guide sleeve can move up and down along the guide pillar to conduct stepless height adjustment, the height adjustment range is 0-110 mm, then the handle is put down, the outer guide sleeve is pressed downwards by the spring force generated by the locking spring, the inclined plane of the outer guide sleeve acts on the steel ball, the steel ball is tightly clamped on the guide pillar, and the height positions of the locking guide sleeve and the upper support plate are kept;
when the angle is adjusted steplessly, the screw rod is rotated to enable the nut to move along the screw rod, and the support plate is driven to rotate, so that the stepless adjustment of the angle of the support plate is realized, and the angle adjusting range is 0-20 degrees; the height and the angle of the armrest seat are adjusted steplessly, the requirement of supporting arms when drivers with different heights control the forklift to move can be met, and the design principle of human engineering is met.
2. According to the adjustable armrest seat, a driver can freely adjust the height and the angle of the armrest base according to own operation habits, so that the design meets the personalized and humanized use requirements, the requirement of supporting the arms of the operator when the forklift is driven in a standing mode by people (160 cm-195 cm) with different heights in Asia, Europe, America and the like can be met, and the driving comfort is effectively improved.
Drawings
Fig. 1 is an axial view of the armrest seat of the present invention.
Fig. 2 is a front view of the armrest seat of the present invention.
Fig. 3 is a right side elevation view of fig. 2.
Fig. 4 is an isometric view of the locking guide bushing mechanism.
Fig. 5 is a front view of the locking guide sleeve mechanism.
Fig. 6 is a left side view of the locking guide sleeve mechanism.
FIG. 7 is an isometric view of the column base mechanism.
Fig. 8 is an isometric view of the release mechanism.
Fig. 9 is an isometric view of a walled pin.
Wherein: the device comprises a guide pillar 1, a locking guide sleeve mechanism 2, a tubular column base mechanism 3, a first pin shaft 4, an unlocking mechanism 5, a support plate 6, a wall-provided pin shaft 7, a fourth pin shaft 8, a bearing seat 9, a screw rod 10, a nut 11, a third pin shaft 12, a connecting plate 13, a locking nut 14, a compression spring 15, an outer guide sleeve 201, a positioning pin 202, an inner guide sleeve 203, a pair of connecting rod mounting plates 204, a locking spring 205, a steel ball 206, a tubular column 301, a pin shaft plate 302, a pair of support plates 303, an upper cover plate 304, a connecting plate 305, a pair of connecting rods 501, a shaft sleeve 502 and a.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
Examples
Referring to fig. 1, an adjustable armrest seat of a standing-driving type electric forklift comprises a guide pillar 1 with a flange plate at the lower end, a tubular column base mechanism 3, an angle adjusting mechanism and a height adjusting mechanism.
The guide post 1 is internally provided with a compression spring 15, and the tubular column base mechanism 3 comprises a tubular column 301 with a flange plate at the lower end.
The height adjusting mechanism comprises a locking guide sleeve mechanism 2 and an unlocking mechanism 5.
The locking guide sleeve mechanism 2 comprises an inner guide sleeve 203 and an outer guide sleeve 201 which are sleeved together, the inner guide sleeve 203 and the tubular column 301 are sequentially sleeved on the guide column 1 from bottom to top, and the inner guide sleeve 203 and the tubular column 301 can synchronously slide along the axial direction of the guide column 1.
Referring to fig. 2, the angle adjusting mechanism comprises a screw 10, a rectangular support plate 6 and a connecting plate 13, the support plate 6 is horizontally arranged at the upper end of the pipe column 301 and is connected with the side wall of the pipe column 301 through a pin shaft 7 with a wall,
the screw rods 10 are distributed along the length direction of the support plate 6 and are fixedly arranged with the support plate 6 through the bearing seats 9, the screw rods 10 are provided with nuts 11 with pin holes in a matching way,
one end of the connecting plate 13 is connected with the nut 11 through a third pin shaft 12, and the other end of the connecting plate is connected with the tubular column base mechanism 3 through a fourth pin shaft 8.
Referring to fig. 3, the lower port of the outer guide sleeve 201 is a truncated cone-shaped port, and the lower port is elastically contacted with the corresponding inner guide sleeve side wall through a steel ball 206 and locked by a locking spring 205, so that the locking and positioning of the inner guide sleeve 203 and the guide pillar 1 are realized;
referring to fig. 4 and 5, the outer cylindrical surface of the inner guide sleeve 203 is stepped, and the diameter of the upper part is larger than that of the lower part;
the outer guide sleeve 201 is a pipe sleeve with three-stage stepped hole shapes, the pipe diameters of the pipe sleeve are sequentially reduced from top to bottom and respectively form an upper part, a middle part and a lower part, and a lower port of the lower part is a circular truncated cone-shaped port.
The upper part of the outer guide sleeve 201 is matched with the upper part of the inner guide sleeve 203, so that the inner guide sleeve 203 and the outer guide sleeve 201 are sleeved together.
The lower part of the inner guide sleeve 203 is sleeved with a locking spring 205, the upper end of the locking spring 205 is abutted to the step of the inner guide sleeve 203, and the lower end is abutted to the lower step of the outer guide sleeve 201.
Through holes are uniformly formed in the side wall of the lower portion of the inner guide sleeve 203 along the same circumference, and steel balls 206 are arranged in the through holes in a matched mode, so that the steel balls 206 are in elastic contact with the lower end opening of the lower portion of the outer guide sleeve 201 and are locked and positioned through a locking spring 205;
when the outer guide sleeve 201 moves upwards along the guide post 1, the pressing force of the lower port of the lower part of the outer guide sleeve 201 on the steel ball 206 is eliminated, so that the locking and positioning of the inner guide sleeve 203 and the guide post 1 are released. Meanwhile, a retainer ring 207 is sleeved on the corresponding inner guide sleeve 203 below the steel ball 206 to prevent the steel ball 206 from sliding down.
A pair of connecting rod mounting plates 204 with vertical holes are arranged on the outer side wall of the outer guide sleeve 201 corresponding to the two sides of the support plate 6, and the lower ends of the pair of connecting rods 501 are correspondingly vertically inserted into the pair of connecting rod mounting plates 204 and are locked and fixed up and down through locking nuts 14.
Referring to fig. 6, a radial positioning pin 202 is arranged on the inner side wall of the inner guide sleeve 203, an axial key groove is arranged on the outer side wall of the guide post 1, and the positioning pin 202 and the key groove cooperate to enable the inner guide sleeve 203 to slide along the axial direction of the guide post 1.
Referring to fig. 7, a pair of support plates 303 is fixedly arranged on the side wall of the pipe column 301 corresponding to two sides of the support plate 6, and the pair of support plates 303 and two sides of the support plate 6 are respectively connected through a pin 7 with a wall;
a connecting plate 305 and a pin shaft plate 302 are respectively arranged at two ends of the side wall of the pipe column 301 corresponding to the support plate 6, and the corresponding ends of the connecting plate 305 and the connecting plate 13 are connected through a fourth pin shaft 8;
an upper cover plate 304 is fixedly arranged at the upper end of the pipe column 301, the pipe column 301 is sleeved on the guide pillar 1, so that an inner cavity of the pipe column 301 and an inner cavity of the guide pillar 1 are coaxial to form a vertical cavity with adjustable height, a compression spring 15 is arranged in the vertical cavity, and the upward adjustment of the support plate 6 is facilitated when the height armrest seat is adjusted.
Referring to fig. 8, the unlocking mechanism 5 includes a pair of links 501 and a handle 503 connected to the pair of links 501, the handle 503 is in a horizontal plate shape, the pair of links 501 are symmetrically arranged in a mirror-image direction, and the pair of links 501 are respectively provided with a shaft sleeve 502, so that the upper ends of the pair of links 501 are connected to the pin shaft plate 302 through the cooperation of the shaft sleeve 502 and the first pin shaft 4;
a pair of connecting rod mounting plates 204 are fixedly arranged on the side walls of the outer guide sleeve 201, so that the lower ends of the pair of connecting rods 501 are fixedly connected with the outer guide sleeve 201 through the corresponding pair of connecting rod mounting plates 204.
The first pin 4, the third pin 12 and the fourth pin 8 are standardized fasteners.
Referring to fig. 9, the pinshaft 2 with wall comprises a cam-shaped wall plate and a short shaft, the narrow part of the wall plate is fixedly connected with the vertical plate of the support plate 6, the short shaft is fixedly arranged on the wide part of the wall plate, and the short shaft is inserted on the corresponding vertical plate and support plate of the support plate 6, so that the support plate 6 is pin-connected with the column base mechanism 3.
When the handrail seat works, the handle 503 is pulled downwards, the outer guide sleeve 201 moves upwards along the guide post 1, the pressing force between the inner guide sleeve 203 and the corresponding guide post 1 is eliminated, and the inner guide sleeve 203 can move up and down along the guide post 1 to adjust the height of the handrail seat steplessly; a screw handle at the end part of the screw 10 is rotated, the nut 11 moves on the screw 10, and the support plate 6 rotates around the pin shaft 7 with the wall under the action of the connecting plate 13, so that the angle of the armrest seat is adjusted steplessly.
Therefore, the flange plate at the lower end of the guide post 1 on the armrest seat is fixedly connected with the corresponding part of the forklift, so that the armrest seat is fixedly arranged on the forklift, the height and the angle of the armrest can be steplessly adjusted, the operation control of each action of the forklift is facilitated, and the use requirements of people with different heights and operators with operation habits can be met.
It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130107.3A CN111115519B (en) | 2020-02-28 | 2020-02-28 | An adjustable armrest seat for a stand-up electric forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010130107.3A CN111115519B (en) | 2020-02-28 | 2020-02-28 | An adjustable armrest seat for a stand-up electric forklift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111115519A true CN111115519A (en) | 2020-05-08 |
| CN111115519B CN111115519B (en) | 2024-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010130107.3A Active CN111115519B (en) | 2020-02-28 | 2020-02-28 | An adjustable armrest seat for a stand-up electric forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111115519B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115251617A (en) * | 2022-07-26 | 2022-11-01 | 宁波欧陆创意家居有限公司 | Lifting table leg |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0635356U (en) * | 1992-10-12 | 1994-05-10 | 株式会社小松製作所 | Driver's seat armrest |
| US20040095008A1 (en) * | 2002-11-18 | 2004-05-20 | Marini Conrad M. | Armrest support |
| JP2007313187A (en) * | 2006-05-29 | 2007-12-06 | Sekisui House Ltd | Telescopic handrail device |
| CN106073250A (en) * | 2016-08-24 | 2016-11-09 | 开平瑞信家具配件有限公司 | Self-locking Liftable armrest assembly |
| CN209581601U (en) * | 2018-11-22 | 2019-11-05 | 安徽合力股份有限公司 | A kind of electri forklift transfer with adjustable steering wheel feel mechanism |
| CN211895929U (en) * | 2020-02-28 | 2020-11-10 | 安徽合力股份有限公司 | Stand and drive formula electric fork-lift's adjustable handrail seat |
-
2020
- 2020-02-28 CN CN202010130107.3A patent/CN111115519B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0635356U (en) * | 1992-10-12 | 1994-05-10 | 株式会社小松製作所 | Driver's seat armrest |
| US20040095008A1 (en) * | 2002-11-18 | 2004-05-20 | Marini Conrad M. | Armrest support |
| JP2007313187A (en) * | 2006-05-29 | 2007-12-06 | Sekisui House Ltd | Telescopic handrail device |
| CN106073250A (en) * | 2016-08-24 | 2016-11-09 | 开平瑞信家具配件有限公司 | Self-locking Liftable armrest assembly |
| CN209581601U (en) * | 2018-11-22 | 2019-11-05 | 安徽合力股份有限公司 | A kind of electri forklift transfer with adjustable steering wheel feel mechanism |
| CN211895929U (en) * | 2020-02-28 | 2020-11-10 | 安徽合力股份有限公司 | Stand and drive formula electric fork-lift's adjustable handrail seat |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115251617A (en) * | 2022-07-26 | 2022-11-01 | 宁波欧陆创意家居有限公司 | Lifting table leg |
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| Publication number | Publication date |
|---|---|
| CN111115519B (en) | 2024-11-05 |
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