TWI252822B - Mounting structure of hauling hook - 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

1252822 IX. Description of the Invention: [Technical Field of the Invention] The present invention relates to a towing hook mounting structure which is disposed at a lower portion immediately behind a vehicle body to engage a vehicle body traction rope. [Prior Art] The vehicle is transported in a timely manner by a ship and a land-feeding trailer that are a large number of rotation means. At this time, the tle down board provided on the front and rear sides of the side frame of the vehicle body is used. In this way, on the side of the transfer table, by the rope or the like, the vehicle is in the event of a failure, etc., via the sling rope, by the other car: at this time, any side of the front and rear ends of the vehicle body is borrowed. By the traction rope, the car one

The rope also has a rare W ^ ^ ^ ^ shape shared with the fixed plate. The traction hook is set to the lower end of the lower limb, and the traction rope is engaged on the traction hook. When the extension is in the square, the cow, W, you are not in contact with the vehicle to the lower wall. Here, the towing hooks are installed with respect to the inverted member, the meaning/page, by being subjected to the traction load of each of the required occupants, which must be undercharged. For example, in the case of too "filling knives, the rigidity of the joint I a.", in the side member of the 乂 2 2778 1 1 唬 ( (the patented 称 称 刖 刖 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁 侧壁The formation of the anti-forming hook hole is revealed. The structure is stopped by the 5, and the bolt is stopped. However, the vehicle adopts the frame structure.

In the plural place of the piece, the main body is mounted on the bracket y / the side of the disk - the opposite side member, and the upper side of the main body side (f) ? α is here, and is locked by the buffer structure. The components are placed, these are The vicinity of the ^^42-6988-PF 5 1252822 is fixed # 的 的 的 前端 和 和 和 和 和 和 和 本体 本体 本体 本体 本体 本体 本体 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引 牵引However, the vehicle is in order to absorb the amount, and to suppress the deformation of the interior space to achieve the multiplication of the large one ^ 4 ^ ^ ^, and the collision energy of the side members Absorption zone mn /sl ^ 4 and twisting conflict energy absorption

Ri ,at ^ ^ ^ In this case, the area and the area are in conflict with the vehicle. When the side members are subjected to the impact load, the shape is ai, and the hunting is plastically deformed to achieve the absorption of the energy of the dog and the safety of the passenger. In the early part of the deformation 'to reach this conflict energy absorption camera inflammation k in order to ensure the absorption of a given conflict energy, on the side members

Derogatory to form a conflicting energy absorption area that maintains a predetermined length. A

[Patent Document 1] Japanese Laid-Open Patent Publication No. Hei 9-2778 No. 1 and the above-mentioned "When the vehicle adopts a collision energy absorbing structure, a collision of a predetermined length near the front end and the rear end of the side rail:" The mounting area of the system and the body mounting bracket and the traction fishing are easily overlapped in this case. The body mounting bracket and the towing hook are fixed in a plurality of places... Some of the systems are excessively rigid to strengthen the conflict energy absorption area. Part 2: Make the length The collision energy absorption area is narrow. In this way, if the collision area is narrow, the absorption function of the collision can be reduced according to the deformation of the vehicle in the event of a collision, and the change in the interior space of the vehicle cannot be suppressed: The passenger safety is sufficiently ensured. / [Summary of the invention]

7042-6988-PF 1252822 'The purpose is to provide traction hook women's clothing bracket and traction hook, '叩 can ensure conflict energy because the present invention is based on the above problem installation structure, the body is fixed on the side frame to suppress the conflict energy absorption region Excessive stenosis absorption function. The scope of the patent application of the present invention includes: a side member 'extending the front and rear sides of the vehicle: a two-closed section, the body mounting bracket having an upward piece fixed at the end portion and forming a mounting hole Then, the end portion and the rear end portion are bent and extended to the above-mentioned side structure=self-same-upward sheet pulling hook, except in the region with the side member sheet, and the bottom end is fixed, and the opposite portion of the tow is protruding. Below the above-mentioned side members, the above-mentioned upward film is used in the construction of the invention of the two patents of the patented dry brothers, the squid hooks, the squid, the squid, the s Bending, extending, #卜, _L, / Μ ^ There are 4 ΐ ΐ back end ml: the front and back sides of the two pieces are fixed: the two parts are on the side of the side member above and below The inner side of the mounting piece is fixed to the first layer of the first stack of the patented dry-wound attachment structure of the _3 item of the hair item, and the heavy plate is superposed on the fishing part. The lower end of the heavy plate is attached to the lower wall of the side member according to the invention, because the bottom end of the traction hook is fixed in the opposite region of the body mounting bracket, the side: the relative area of the bracket is also Can be combined with the main body and used as the mounting area of the towing hook.

7042-6988-PF 1252822 There is no need to ensure the traction of the women's area for other uses near the front and rear ends of the t-frame. As a result, it is possible to suppress the excessive rigidity of the side members before and after the front and rear ends of the side members. The absorption area "reaches the absorption of the conflicting energy according to the deformation, suppresses the deformation of the interior space of the vehicle, and ensures the safety of the passengers. Further, according to the present invention, & forgetting force μ, the mouth is the bottom of the towing hook attached to the pair of mounting pieces of the body mounting wood, and the D 4 , the towing hook and the body are mounted to each other as a rigid frame. + Two reinforced reinforcement members work, that part, two tow hooks and rafts are strong and reduced. The reinforcing member of the clothes can be used to make the cost, and according to the present invention, the double plate is overlapped on the hook portion of the hook of the two tongues, and the upper end of the heavy plate is reached at the wrong end _I αα The lower walls of the side members are butt jointed and can be sufficiently built into the rigidity of the hooks. [Embodiment] The hook mounting structure: quotient: 2 is used as the chassis S of the vehicle of the present invention. The chassis S includes a plurality of right-handed members 1 and a plurality of left-hand members 1 that are arranged to extend toward x, and are arranged and connected with a plurality of fathers. Members 2a to 2g. Here, the plurality of intersecting members 2a and the yoke-a to 2g system have a front end front cross, a second hanging cross member 2b, a plurality of central six, and a front suspension supporting the front wheel 4. After the suspension member is supported, the second member 2e, 2d, via the un-Fig. 2f, and the post-construction ", the rear suspension and the component 2e, the piece 2g°

7042-6988-PF 8 I252822 The 前后 and the front-rear direction X are arranged in order, and the rigidity of the chassis s is strengthened by connecting the adjacent side members 1 to each other. As shown in Figures 1, 2, and 3, the left and right side members i M are divided. The inner panel 6 and the outer panel 7 of the cross-section are formed so as to overlap each other in a closed cross section. In the respective positions of the pair of left and right side members 1 and 1 in the longitudinal direction of the longitudinal direction, it is ensured that the upper and lower widths hl of the required rigidity are changed in the front-rear direction X. form. In particular, the pair of left and right side members] and the two 1 series are in the vicinity of the other rear end, and the 长度 is a predetermined length u'L2, and the collision energy absorbing areas Af and A" The plurality of body mounting brackets 8 and 9 in the front-rear direction of the opposite side member 1 are fixed on the brackets 8, 9 as shown in the figure 篦/r^ ^ ^ ^ girl 4(c). The brackets 17 on the side of the upper and lower sides of the upper and lower cushioning members, the lower holding plates 13, the bolts 1 and the nuts 14 are locked together on the main body 16 side. Here, although the plurality of body mounting brackets 8 and 9 are shaped, the towing hooks are respectively assembled with respect to the front and rear ends of the front and rear ends of the same body mounting brackets. § Other body attachment brackets differ by points that are not incorporated. t Because the front and rear four body mounting brackets 8 are the same as shown in Fig. 3, the body mounting brackets 8 in the left, right and left positions are the traction hooks incorporated here. To the second generation of Figure 6: Brothers' and omit other explanations. The end portion is of a predetermined length u; X is formed on the left front front side of the side member 1 of the temporal side. this

7042-6988-PF 1252822 The side member 1 which absorbs the absorption area A f is as shown in Fig. 4 (c), and the welded inner panel 6 and the outer panel 7 are formed in a closed cross-sectional structure which ensures the upper and lower widths hi. On the outer wall surface of the outer panel 7 of such side members 1, the body mounting bracket 8 and the traction hooks 8 assembled therein are welded together. As shown in FIGS. 3 and 5, the body mounting bracket 8 has an upward piece 21 formed with an upward mounting hole 20 and disposed substantially horizontally, and each end portion bent from the front and rear circumferences of the upper piece 21 is bent The front and rear mounting pieces 22 extend downward and have a flange 221 to which the outer panel 7 is welded. In the region E where the body mounting bracket 8 of the _ side member 1 is opposed (in the third embodiment, between the front and rear mounting pieces 22, the bottom end portion 23 of the pulling hook 18 is twisted, and the bottom end portion 2 3 is externally attached. The outer wall surface f 1 of the plate 7 (refer to Fig. 4 (a)) is welded, and the hook portion 24 attached to the bottom end portion 23 is protruded below the side member j by U. χ, symbol 25 shows The welding traction hook 18 for arc welding is as shown in Figs. 3 to 6, and the bottom end portion 23 and the hook port 24 attached thereto are attached to the front and rear ends of these, and the longitudinal joint beads (b (10) are connected

Continued to be formed. In particular, the front and rear ends of the bottom end portion 23 are welded to the front and rear mounting pieces U _ face (refer to FIG. 4( a )), whereby the function as a reinforcing member of the body mounting bracket 8 can enhance the shape rigidity, and also It is possible to strengthen the phase of the squid 1 8; ;): Gaddu 1 ^ The joint strength of the upper member 1 side. Therefore, in this case, it is not necessary to separately provide reinforcing members on the towing hooks 18 and the non-clothing clothes 8 to reduce the cost. 24, double hook on the lower side of the bottom end portion 2 3 of the traction fishing 18

7042-6988-PF 10 1252822 Plate 27, snap: 27 is connected by tan. A hook hole 19 is formed in the hook portion 24 and the two lead wires 28. As shown in Fig. 4(c) and Fig. 6, the double cymbal 24 is bent and separated, and the upper part is shackled at the I1 and the 々kk 7 wall surface β of the side member is butted. Being welded. The white plate 27 is reinforced, and the lower plate 27 of the plate 7 is reinforced, and the outer surface of the outer plate 7 of the double '1 dry is ί 2 and the body is mounted with the bauxite of the bauxite and the lower wall. The bonding rigidity of the mounting piece 2 points. The dry connection can ensure the charging, in the opposite direction of the side member 1 and the traction (four) overlap welding traction: the body installation dry frame 8 other front and rear end conflict energy absorption area Α:: = = piece μ the same body mounting bracket Rack 8 and towing hooks...: Samples: Applicable to the 'Collision energy absorption at the front and rear ends of the member 1' on both sides of the main body of the f _ _ 9 # & or Af other parts are installed with the same body and body mounting bracket 8 is different, as shown in Figure 7, it is equipped with the cancer of the tow hook 8 which is excluded by I. The body mounting bracket 9 of this disparity is tied between the front and rear mounting tabs -: the reinforcing brackets 29 are embedded, such as; 1, the rigidity of the lunar k-frame 9. 'The ones are welded to each other, and the main body mounting brackets are placed on the side of the chassis S' from the upper side. The main body side brackets 17 (refer to the fourth (4) drawing) are attached to the main body of the chassis 3 side. Configuration. In this case, each of the main body mounting brackets "the scoop upper piece 21 is held by the upper and lower cushioning members U, 12, and the upper and lower cushioning members "12 are overlapped and held under the upper and lower cushioning members" The plates 13 are overlapped, and the whole system is passed through the bolts 15

7042-6988-PF 11 1252822 The nut 14 is locked and processed, whereby the locking process on the body side is performed. In the case of a vehicle breakdown of 8 or 9 women, the traction hook of the garment is protruded below the side member 1], and the end of the rare rope 2 is installed by the + person another i No mouth, when, even if traction... In this state, (4) difficult to increase or decrease, the towing hook 18 is made by the double plate z 'isolate_strong, this bottom is ο _ the outer wall of the double plate 7 Φη two" plate 27 is attached to the front and rear of the side member 1 and the plate f2 and the front and rear female garments of the body 8; the fcf is connected, and the right eye is ensured to ensure sufficient durability. "Heavy P, and this kind of vehicle sun/丨", for example, in the case of a front-side conflict, it is true that the pair of side members are thick.

A sufficient length of the absorbing region Af near the end of 11,000 is obtained by the violent violent violent deficiencies, and the absorbing function of the absorbing dog can be performed according to the plastic deformation. _ Zhihui can suppress the safety of the car _ φ Α 曰b, which is absorbed by the conflict energy absorption area Af. The deformation of the two (not shown) ensures that the front side of the passenger side member 1 is embossed and the nearby conflict energy absorption area Af and the prostitute I bracket 8 are opposite pa ^ 4 ϋ σ or Ε The system is rigidly reinforced, and it can be confirmed that the length (La + U) conflicts the furnace's absorption area Af, and the plasticity and cross shape of the same part can be fully squeezed. The absorption function suppresses the deformation of the inner side of the vehicle, and it is easy to secure the safety of the workers. In the table of Fig. 1 3 force A ... installation structure, because in the side with the side member

In the F 扪 & field E of the body female I bracket 8 , the body mounting bracket 8 and the traction hook 18 are overlapped and welded, and the relative area ε of the 女装 布 布罕 body bracket 8 can also be used.

7042-6988-PF 12 1252822 is intended to be the mounting area of the towing hook 18, in the vicinity of the front and rear ends of the side member 1 / it is necessary to secure a mounting area as another traction hook 18 which enlarges the conflict energy absorbing area Af. In other words, it can be reduced by integrating the body mounting bracket 8 and the ampoule area of the towing hook 18, because the collision energy absorption area Afi § can be suppressed to narrow, and the absorption area Af can be enlarged. In the above, the traction hooks 18 are fitted with the bottom end portions 23 between the front and rear mounting pieces 22 of the body mounting brackets 8, and are welded to each other to operate as rigid reinforcing members, respectively, but depending on the situation. It may be configured as shown in Fig. 8(a) and (b). In this case, the same members as those of the main body mounting bracket 8 and the traction hook 8 of Figs. 1 and 4 are denoted by the same reference numerals, and the description thereof will be omitted. Here, the traction hook 18a is disposed in a portion E of the portion opposite to the main body mounting bracket 8; the bottom portion 23a is directly welded to the lower wall surface f2 of the side member i, and is woven under the bottom end portion 23a. ,, the bow 'fishing rod 2 4 a protruding and being formed. In this case, the collision energy absorbing region Af near the front and rear ends of the side member 1 is rigidly reinforced in the region opposite to the body mounting bracket 8, and the collision energy absorbing region Af of the knive length (La + Lb) can be confirmed. , the same part only hunting by plastic deformation, can absorb the energy of the collision energy of the right eight knives. In the above, although the side member of the commercial vehicle == the mounting structure is applied to thousands of vehicles, it is effective to use various vehicles such as passenger cars and vans having other side members. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a diagram showing an application which is applied as an embodiment of the present invention.

7042-6988-PF 1252822 plan view of the chassis of the commercial vehicle with the hook mounting structure; Fig. 2 is a side view of the chassis of Fig. 1; Fig. 3 is a partially cutaway enlarged side view of the chassis of the commercial vehicle of Fig. 1. Figure 4 is a portion showing the chassis of Figure 3, wherein (a) is a cross-sectional view taken along line AA, (b) is a cross-sectional view taken along line BB, and (c) is a cross-sectional view taken along line CC; The oblique hook of the side member of the side member in FIG. 1 and the obliquely upper perspective view of the body mounting bracket 8; FIG. 6 is the traction hook of the side member and the body mounting bracket 8 which are mounted in FIG. 3 is a front view of the body mounting bracket of the middle portion of the chassis of the present invention; and FIG. 8 shows the towing hook and body of the towing hook mounting structure applicable as another embodiment of the present invention. The mounting bracket, wherein (a) is a plan view and (b) is a cross-sectional view. [Description of main component symbols] © 1 to side members 2a to 2g to cross member 4 to front wheel 5 to rear wheel 8, 9 to main body mounting bracket 18 to tow hook 20 0 to mounting hole 21 to upper plate 7042-6988- PF 14 1252822 Energy absorption region 2 2 to mounting piece 2 3 to bottom end portion 2 4 to hook portion Af, Ar to collision E to relative region S to chassis X to front and rear direction Y to vehicle width direction

7042-6988-PF 15

Claims (1)

Ten, the scope of application for patents: 1 · kinds of traction raft installation structure, side members, in the car cylinder + y " knowledge and levy in: including: half of the two sides of the extension of the 扒, face; ^ rear direction, with a closed section body installation a bracket, a front end portion and a rear end portion of the bracket, which are fixed and formed with a mounting hole, are bent and extended, and are bent at the end of the side structure and from the end of the upper sheet, and are widely fixed. In the opposite area, the bottom end is protruded by the hook. On the same day, ^ is lower than the above-mentioned side members, "2. As described in the scope of claim 1 of the traction fishing installation structure, the above-mentioned upward film of the upper part of the moon has a curved end extending from the rear end thereof, in the side member The front and rear side of the side of the traction hook are fixed to the side surface of the side member, and are fixed to the inner side of the pair of front and rear mounting pieces. 3 · As claimed in the patent application A tow hook mounting structure according to the item 1, wherein the towing hook has a double plate overlapping at a hook portion thereof, and the upper portion of the double plate is butt-joined at a lower wall of the side member. 7042-6988-PF 16