TW200536741A - Towing hook mounting structure - Google Patents

Abstract

To provide a towing hook mounting structure capable of suppressing the collision energy absorption area from excessively narrowing and securing the absorption function of the collision energy when a body mount bracket or the towing hook is fixed on the side frame. The towing hook mounting structure is equipped with a side member 1 longitudinally extending at both ends of the vehicle and having a closed section, the body mount bracket 8 which has an upward piece 21 fixed to the tip end part of the side member or the rear end part and forming a mounting hole 20 and a mounting piece 22 bent and extended from the end part of the upward piece 21 and fixed to the side member, and the towing hook 18 where the base end part 23 is fixed in the opposed area E to the body mount bracket 8 of the side member 1 and a hook part 24 is projected down below the side member 1.

Description

200536741 IX. Description of the invention: [Technical field to which the invention belongs] This month, about the installation structure of the traction hook, the lower part of the front and rear of the body is fitted with a car and post, and it is broken at the bottom of the car. Traction rope. [Prior art] μ The vehicle is registered as a female dan, which is rotated in time. This _: The fixed part of the ship and the land trailer, etc. 2: Use the front and rear U installed on the side pivot of the car body.疋 Uie d0wn) board, so that the car is connected to the k σ side of the car, with ropes and other vehicles in the event of a failure, etc., and is towed through the car. At this time, the car body & , Other vehicles lead fishing, by Ka Baokui: Any rear-side pull rope may be shared with the fixed plate. Also, = the front-rear and downward-downward fishing system of this tractor body is set to be relatively. ,,, 'The wrong traction bass that is engaged on the traction hook' is: When the square is extended, 'This rope is not in contact with the downward wall of the vehicle. Weaving requirements = :: Hook! By bearing a relatively large traction load' Must be installed [Example :::::: Side member to ensure adequate combination of rigid literature ^ ^ Hei 9-27781 No. 1 (The front side wall of the patented member is formed by a thick metal plate with a hook hole. The hook is a side member, and it is set firmly to expose the lower part, and the screw inspection is stopped. In the case where the frame structure is used for the car auxiliary, the main body mounting brackets are fixed on the opposite side of the chassis side, and the body mounting brackets are fixed, and buffering is performed here. These bolts are locked during loading.

7042-6988 ~ PF 5 200536741 In this version, the 1 bracket is fixed near the pair of sides, and the 4 cow ridges and top sections and the main body mounting bracket tend to be closer to the equipment. However, in order to hope and suppress the recording of the space in the car during the conflict, the vehicle sighed here and read about the safety of the passengers with a ^ -in between readings. The end is equipped with a collision energy absorption area! Made. The collision energy absorption area on this side member is attached to the heart guard, and the side member is plastically deformed due to the weight of the shock-sensitive and dead tongue Daxuan. To achieve the absorption of conflict energy, you can control the deformation of the interior space of the car to the safety of the passengers. This conflict energy absorption and collection structure is designed to ensure a predetermined amount of conflict energy absorption. It is necessary for the structure μ / μ to form a collision energy absorption region that maintains a predetermined length. [Patent Document 1] Japanese Patent Application Laid-Open No. 9-277811 However, as described above, when a vehicle adopts a collision energy absorption structure, The collision energy absorption area of a predetermined length near the front end and the rear end of the side rail easily overlaps with the mounting area of the main body mounting bracket and the tow hook. Here, the main body mounting bracket and the tow hook are fixed in a plurality. Then, these systems excessively rigidly strengthen a part of the collision energy absorption area, resulting in a narrow collision energy absorption area of a predetermined length. If the collision energy absorption area is narrowed in this way, the imitation of the collision energy absorption based on the deformation of the vehicle during the collision The function is reduced ', resulting in the inability to suppress the deformation of the interior space of the car to fully ensure the safety of passengers. [Summary of the Invention]

7042-6988-PF 6 200536741 Because the present invention is based on the above-mentioned problems, the purpose is to install the structure, and the body is fixed on the side frame: ':, "Fishing suppresses the collision energy absorption area is excessive ★ 时 Absorptive function when magic hook. 卞The patent system of the present invention which can ensure conflict energy includes the side member, in the vehicle two: the hook ... closed section; the body mounting bracket; the rear direction, the The end is fixed and forms the mounting hole upward, while the one and the rear end bend and extend to pull the fishing piece on the above and from the same upward, except for the attack piece which is fixed on the side; and The bottom end is fixed, and the opposite part of the mounting bracket of the same body is projected. Only below the above-mentioned side member, the traction hook installation structure of the first item of the patent application scope of the hook: "" 1 Bending and extending on the above side: the sheet is attached to the front and rear ends of the sheet, and the bottom of the above-mentioned traction hook is wide and the other side is fixed. Inner coat / are fixed. In the installation structure of the traction hook of the item, "Ming is the first double layer of the patent application scope, and this double plate ^ leading hook system has the overlap at its junction. '^ Is connected to the low wall of the side member. According to the present invention, the opposite side of the main body mounting bracket is connected to the opposite side of the side member and the bracket. The main body of the component is also used as an installation area for towing fishing.

7042-698 8-PF 7 200536741 It is not necessary to secure the mounting area of the side members near the front and rear ends of the side members. As a result, excessive rigidity can be suppressed to strengthen the side members: y: Near, ensure sufficient near the front and rear ends of the side members The length of the impulse: "π, which can be ridden inside, increases the absorption of this π, suppresses the shape of the inner two, and ensures the safety of passengers. Cup, according to the present invention, because the bottom of the traction hook is tied to the inside of the pair of mounting pieces of the body sound tray 4 by the hangers to reinforce each other to achieve rigid reinforcement: the hook and the body mounting bracket do not need a traction hook and Ontology security: component operation, that part, lower. Reinforcement members of women's clothing can make the cost "again" according to the present invention, the hook portion of the traction hook overlaps-the heavy plate, so the double 柘 * 山 七 / t and an S-plate hunting spoon 鳊The rigidity of the hook portion is strengthened at the low wall of the side member. Butt joint can be sufficient [Embodiment] The commercial vehicle with a hook installation structure ::: s is the present invention-an embodiment of the chassis s includes: On the right pair of side members], and the orientation: a plurality of intersection members, 2a ~ =, which are arranged on the left side and arranged to extend to X, and are arranged and connected here, and a plurality of intersection members 2 & fork Structure, via a suspension structure (not shown): a front suspension cross member 2b with a straight front end, a plurality of central six, and a suspension member shown in front of the suspension supporting the wheel 4 supports the rear beam, the component 2c, 2 d. Via a pair of rear suspension members 2e, i, and i, which are not shown in Figure 2f, and the cross member # 9 _ 5

7042-698 8-PF 200536741 is arranged sequentially in the rear direction X. By connecting 1,] ^ ee ⑺, the rigidity of the chassis S is k-shaped. As shown in Figs. 2 and 3, the left and right sides are structured in a closed cross-section of the inner plate 6 and the trowel in the shape of a closed cross section, and they are mutually heavy and welds are formed. In addition, the left and right side members], [] are attached to each position along the arrow fighter A v $ ^ 4 I in the longitudinal direction A, Bu =, and the necessary rigidity can be ensured to 1 degree hl at It is formed by changing in the front-back direction X. In particular, the pair of left and right side members 1 has a collision energy absorbing region Af, Ar formed at the vicinity of the rear end of the ridge. However, at the place that spans the pair of side members 1, j, there are too many carvings in the direction ί, and the body mounting brackets 8, 9 are wounded and installed 9 are fastened. Attach these bodies: /, 9 as shown in Fig. 4 'using the upper and lower buffer members 2, the brackets 17 on the side of the body 16, the lower clamping plate 13, the bolts 15 and nuts which are to be used by Beton.彳 4 + spear 1 mesh 1 4 is locked on the body 16 side. Here, although the plurality of women's clothes rails 8 and 9 are substantially the same in shape, the four body mounting brackets located near the rear end of each side 谌 1 λα „W member 1, 丨The 8 series are equipped with traction hooks 1 and 8 respectively, and the other body mounting brackets 9 are different from each other. / For the four front and rear body mounting brackets δ are constructed by t, in this case as the third As shown in the figure, the main body mounting bracket 8 in the + M left rigid position and the traction platinum incorporated here], 代表 18 are represented, and other descriptions are omitted. As shown in Figures 3 to 6 | ^ On the left front front side of the side member 1 on the left side, the punching office At θ Ώ l of a given length L1 is formed. This absorption region Af is formed. This

7042-6988-PF 9 200536741 A The side member 1 of the f adopts a closed brake surface ′ hi as shown in figure 4 (c) to ensure the upper and lower widths. The collision energy absorption area is welded to the inner plate 6 and the outer plate structure. On the outer wall of the side member 1 of this side member 1, this f is worn with: 5 尤 儿 # .. + to · *: The frame 8 and the soil are assembled here, as shown in Figures 3 and 5 / , IL I has been welded-", and this mounting bracket 8 series has upward mounting ::. ;;

= 7 :: Front and rear mounting pieces 22 of which each end portion of the rear peripheral edge is curved and extends below and has a projecting edge 221 that breaks. The area E opposite the body mounting bracket 8 of the component 1 (refer to 23 =: between "22, the bottom end drawing of the tow hook") is "23" attached to the outer wall surface fl of the outer plate 7 (refer to Section 4 ( a) " Dry, the hook portion 24 connected to the bottom end portion 23 is protruded below the side member. Also, the symbol "25" is used. ^ Welding holes for arc welding. As shown in the figure, the bottom end portion 23 and the selection / hook loop 24 are connected to each of the front and rear ends, and a longitudinal bead 26 is formed, and the shell is formed. In particular, the front and rear ends of the bottom end portion 23 are connected to the front and rear. The mounting plate 22 :: the inner side is welded (refer to Figure 4 (a)). This function can be used as a reinforcing member for mounting the bracket 8 on the body, which can strengthen the shape rigidity, and can also strengthen the side member toward the traction hook 18. The joint strength of η. For this reason, it is not necessary to separately install a reinforcing member on the traction hook 18 and the body mounting bracket 8 to reduce the cost. The bottom end portion 23 of the tow fishing 18 Hooks 2 4, double

7042-6988-PF 10 200536741 Plate 27 is welded as it is overlapped. In the hook portion 24 and the double plate 2 ?, a hook hole 19 for engaging the traction rope 28 is formed. " As shown in Figure 4 (c) 6, the upper part of the double plate 2 7 is slowly separated from the hook 24, and the money is docked on the lower wall surface f 2 of the side plate 7 and the ip & L LL Tai, and Ding mourning;): dry connection. In this way, the traction hook 18 is reinforced by the double plate 27, and is on the outer wall surface of the outer plate 7 of the side member, the lower wall f2, and the body. The front and rear mounting pieces 22 of the mounting bracket are welded to ensure the following: The combined rigidity. ~ #This is the traction hook that connects the main body mounting bracket rod to the body mounting bracket rod within the area E of the side member 1 facing area. The assault structure is also applicable to the collision energy spoon area Af of the other front and rear sides of the side frame. The "ben" mounting bracket 8 and traction hook 18 are installed. The collision energy of the front and rear ends of the member Ϊ is one mile. And other parts of the receiving area are not covered by the body, the body mounting bracket 9 series of clothes, the body mounting bracket 8 is different, as shown in the figure, the traction is underway] brother 7, sentence 18 is excluded The lower body mounting bracket is equipped with the "" i. These brackets 9 are connected between the front and rear mounting pieces 22, and the stiffening bracket 29 is fitted. The rigidity of the "sloping sheet-like frame 9." The main body is mounted on this chassis S, and the connection brackets 17 are attached from the top of the main body 16 side (refer to 帛 4 (c). The mounting brackets 8 on the main body 16 side are oppositely arranged. … Up, up: bottom up ... the upper body of each body is 21 # on the upper side, the upper force Z i of each body's mounting bracket δ is hunted by the upper and lower rust buffer members 1 丨, 2 up, 1 2 is clamped, the upper and lower central holding plates U are recrystallized ^ 17 are overlapped, and the lower word plate 13 is heavy. After the whole system accepts the bolts 15 to pass through,

7042-6988-PF 11 200536741 The nuts 1 and 4 are locked and processed. The Office will perform the locking processing on the mounting bracket 8 and gm sides of each body. : In the case of this kind of vehicle failure, the traction starter 1 2 Μ can be installed under the side member], the fishing part 1 4 at the mouth, and the other end of the traction rope 28 is put on # 同 — 知 破Snap, towing vehicle not shown. Traction in this state · Even if the traction load is 27.%, the traction hook 18 is reinforced by the double plate 27, the bottom end plate, the outer wall, and the bottom plate; 7 is on the side member 1 The outer security cover, the sturdy soil plate 2 and the front and rear of the main body mounting bracket 8 ensure sufficient joint rigidity, and ensure sufficient durability for the traction load P. W're heavy P '/ ancient two: This type of vehicle system, for example,' in the event of a frontal collision, ensure that the absorption area Af near the front end of the right-and-right _ pieces 丨 is used to increase the absorption energy of the conflict energy here Wide ... 'According to this plastic deformation, the center of the car body can be suppressed: the safety of the energy absorption area through conflict ... Deformation between I (not shown) can ensure the collision energy absorption area Αί and the area of this item near the rear end of the passenger body installation. The area is rigidly strengthened, and can be determined # t & length (La + Lb) The Chongdan 雒 is filled with knife-shaped deformation m :: b! The absorption area Af 'has the side ridge shape at the same location, ensuring passenger safety. The car-manufacturer of the car is shown in Figure 1 of Figure 1. The body mounting bracket 8 hook mounting structure is because the body mounting bracket 8 and the main body mounting bracket 8 are pulled and the body is mounted in the area E that is overlapped and welded with the main hook 18 of the side member. The opposite area E of the bracket 8 can also be used.

7〇42-6988-PF 12 200536741 :: Anshang area for traction hook 18 'is attached at the front and rear ends of side member 1. It is necessary to ensure that it is an additional halo hook. Eight can expand the collision energy absorption area Af. In other words, by using the mounting area of the two-blade body mounting bracket 8 and the traction hook 8, the: I combination can suppress the excessively narrow collision energy absorption area Af, and the absorption area Af. 7 Expansion of conflict energy In the above, the traction hook 18 is connected to the bottom end portion 23 between the front and rear mounting pieces 22 of the main body frame 8 and welded to each other: the stems operate as rigid reinforcing members, but Depending on the situation, I may be configured as shown in Figs. 8 (a) and (b). In this case, the same components as those of the body mounting bracket 8 and the traction hook 18 in FIG. 4 are added with a after the same reference numerals, and redundant descriptions are omitted. Here, the traction hook 18a is disposed in a portion E opposite to the main body mounting bracket 8. However, the bottom end portion thereof is directly welded to the lower wall surface f2 of the side member 1 'from the bottom end thereof, a below. Bent, hook ... protruded and formed. In this case, the collision energy absorption area A near the front and rear ends of the side frame j cow 1 is fixed in the area E opposite to the bracket 8 of the spear body I, which is rigidly strengthened. It can be confirmed that the blade length (La + Lb In the conflict energy absorption area af 'of the same region, the same position can fully exert the conflict energy absorption function through plasticity. In the description, 'While the tow hook mounting structure of the present invention is applied to a side member of a commercial vehicle, it can be effectively used in a variety of vehicles such as passenger cars and box cars having other side members. [Brief description of the drawings] FIG. 1 shows a traction applied as an embodiment of the present invention.

7042-6988-PF 13 200536741 Plan view of the chassis of a commercial vehicle with a hook mounting structure; Figure 2 is a side view of the chassis of Figure 1; Figure 3 is a side view of the chassis of the commercial | Figure 1; knife Cut and expand Figure 4 to show

The part of your disk, its cross-sectional view, (b) is a β-B cross-sectional view, (c) is c-c ... a) is the fifth figure is a side member installed in the first figure : A top view; and an oblique upper perspective view of the main body mounting bracket 8.]丨 The hook is shown in FIG. 6 as an obliquely lower perspective view mounted on the first figure and the main body mounting bracket 8. FIG. 7 is a front view of the middle of the chassis of the present invention; The main body mounting bracket is a tow hook and a bracket that are suitable as the pull-hook installation structure of another embodiment of the present invention, where (a) is a plan view, and ΓΤΠ (h) is in Yan A

(B) is a sectional view [Description of main component symbols 1 ~ Side members 2a ~ 2g ~ Cross members 4 ~ Front wheels 5 ~ Rear wheels 8, 9 ~ Body mounting brackets 18 ~ Towing hooks 2 0 ~ Mounting hole 2 1 ~ Upper piece

7042-6988-PF 14 200536741 Energy absorbing area 2 2 ~ Mounting piece 2 3 ~ Bottom end 2 4 ~ Hook Af, Ar ~ Conflict E ~ Opposing area S ~ Chassis X ~ Front direction Y ~ Car width direction

7042-6988-PF 15

Claims (1)

200536741 X. Scope of patent application: 1 · A traction hook installation structure, which is characterized by:. The side member 'extends in the front-rear direction on both sides of the vehicle, has a closed section, and the body mounting bracket' has a front end portion of the side member. And an upward piece which is covered with the rear end portion and forms a garment hole, and a mounting piece which is bent and extended from the end portion of the upward piece and is fixed to the side member; and The halo hook is fixed at the bottom end in the region where the pair of poles is attached to the main body of the side member, and the hook portion is protruded from the lower side of the side member. '2. The traction hook installation structure as described in the "Scope of Patent Application", wherein the above-mentioned upward piece has a pair of front and rear portions that are bent and extended from its front and rear ends and are fixed on the sides of the upper, spear, and side members. Mounting piece · v — The bottom of the traction hook is fixed to the inside of the pair of front and rear mounting pieces except for those that are fixed on the side of the side member. 3. If the scope of patent application is the first! The traction hook installation structure described in the above item, wherein the traction hook system has a double plate overlapping at its hook portion, and the upper end of the double plate is connected to the lower wall of the side member butt joint. A 7042-6988-PF 16