CN218348349U

CN218348349U - Split type automobile plastic support

Info

Publication number: CN218348349U
Application number: CN202221889074.1U
Authority: CN
Inventors: 顾凯; 吕凯乐
Original assignee: Shanghai Aerospace Fenghua Technology Co ltd
Current assignee: Shanghai Aerospace Fenghua Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-20
Anticipated expiration: 2032-07-22

Abstract

The utility model relates to the field of automotive technology, especially, relate to a split type car plastic support, contain support subject and supporting legs, support subject contains dress foot portion, the supporting legs contains connecting portion, connecting portion bond fixation in dress foot portion. Automobile plastic support's support main part and supporting legs respectively are independent part, and the supporting legs bonds and is fixed in the support main part, when satisfying the demand of vibration durability, the structural strength of junction is weaker than the intensity of prior art's integral type structure, consequently, when taking place slight collision, can be earlier at the junction fracture of supporting legs and support main part, be favorable to avoiding prior art's integral type structure in case the fracture is just the condemned condition of whole plastic support, and then be favorable to reducing cost of maintenance and avoid the wasting of resources.

Description

Split type automobile plastic support

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a split type car plastic support.

Background

The automobile comprises a plurality of plastic brackets, wherein special areas, such as the plastic brackets in an energy absorption area, need to have certain rigidity to meet the requirement of vibration durability; meanwhile, certain weakening is needed to break in time when the automobile collides, so that the pedestrians are protected safely.

This type of plastic support of prior art is mostly the integral type structure, and it is easy after slight collision to be in the fracture of weakening treatment's supporting legs department, and then leads to whole plastic support to scrap. For example, chinese patent with application number CN201911308098.6 discloses an engine wire harness fixing plastic bracket and an automobile, and as can be seen from drawings of the specification disclosed in the patent, the plastic bracket in the scheme is of an integrated structure, and meets the requirement of vibration durability, but the scheme results in scrapping of the whole plastic bracket after a supporting leg with weak structural strength is broken due to slight collision, and further causes resource waste and increase of maintenance cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that prior art exists, provided a split type car plastic support, when satisfying the demand of vibration durability, take place slight collision and can not lead to the plastic support whole to scrap when leading to the supporting legs fracture.

The utility model discloses a can realize through following technical scheme:

the utility model provides a split type car plastic support, contains support subject and supporting legs, support subject contains dress foot portion, the supporting legs contains connecting portion, connecting portion bond fixation in dress foot portion.

Automobile plastic support's support main part and supporting legs respectively are independent part, the connecting portion of supporting legs pass through the bonding such as structural adhesive and are fixed in the dress foot portion of support main part, the bonding can satisfy the demand of vibration durability, and simultaneously, the structural strength of junction is weaker than the intensity of prior art's integral type structure, therefore, when taking place slight collision, can be earlier at the junction fracture of supporting legs and support main part, bond during the maintenance again can, perhaps when collision strength is stronger and there is the part damaged, bond after replacing corresponding damaged piece can, be favorable to avoiding prior art's integral type structure in case the fracture in the condemned condition of whole plastic support, and then be favorable to reducing cost of maintenance and avoiding the wasting of resources.

Preferably, the foot-fitting portion is provided at a junction of two adjacent surfaces of the bracket main body.

The supporting legs are stressed to act on the support main body, the structural strength of the injection molded support main body at the joint of two adjacent surfaces is stronger than that of the center of a certain surface, and therefore the optimal position of the foot mounting part is favorable for improving the supporting strength of the foot mounting part to the supporting legs.

Preferably, the connecting part comprises a connecting surface, and the connecting surface is provided with a glue storage cavity extending inwards from the connecting surface.

Connecting portion bond fixation is in dress foot, if the surface of connecting portion and the surface of dress foot laminate completely, then can the colloid of coating be very thin between connecting portion and the dress foot, bonding strength is lower, should be preferred connecting portion contain the connection face, connecting portion are in connect face department be equipped with certainly the connecting face is to the storage of interior extension and is glued the chamber, connecting portion and dress foot can glue the intracavity thick colloid bonding fixedly through the storage, are favorable to improving the supporting legs and bond in the bonding strength of support subject to satisfy the demand of vibration durability.

Preferably, the connecting surface of the connecting part is further provided with an anti-overflow ring groove extending inwards from the connecting surface, and the anti-overflow ring groove is arranged around the outer side of the glue storage cavity.

If the glue in the glue storage cavity overflows, the assembly progress is influenced, an anti-overflow ring groove extending inwards from the connecting surface is preferably arranged at the connecting surface of the connecting part, and the anti-overflow ring groove is arranged on the outer side of the glue storage cavity in a surrounding manner, so that the glue can flow into the anti-overflow ring groove to avoid overflow if the glue overflows from the glue storage cavity.

Preferably, the foot-fitting portion comprises a retention ring column for being pre-fitted to the supporting foot.

Gluing needs to be bonded in place accurately and quickly, and the foot mounting part preferably comprises a retention ring column and can be preassembled on the supporting legs in an inserting or clamping mode, so that the supporting legs can be mounted on the corresponding positions of the support main body quickly and accurately.

Preferably, the outer side wall of the retention ring column is in interference fit with the anti-overflow ring groove, and the inner side wall of the retention ring column is in clearance fit with the anti-overflow ring groove.

The anti-overflow ring groove is arranged around the outer side of the glue storage cavity, and the inner side wall of the fixing ring column is preferably in clearance fit with the anti-overflow ring groove, so that a gap between the inner side wall of the fixing ring column and the anti-overflow ring groove can be used for storing glue; preferably, the outer side wall of the retention ring column is in interference fit with the anti-overflow ring groove, so that the glue is prevented from further overflowing from the anti-overflow ring groove.

Preferably, the supporting leg further comprises a pre-breaking part, the pre-breaking part is connected to the connecting part, and an annular groove is formed in the outer wall of the pre-breaking part.

This split type car plastic support installs in other parts through the portion of cutting off in advance, the ring channel is used for the weakening the structural strength of the portion of cutting off in advance is favorable to improving this plastic support and is receiving external force to pull the cracked probability of ring channel department from the bond of connecting portion or the portion of cutting off in advance, and then avoids the higher support main part fracture of cost.

Preferably, the edge of the connecting part is provided with a prying opening.

After the supporting legs broke in bonding department or ring channel department, the piece that has partial supporting legs remained in support main part, should be preferred the edge of connecting portion is equipped with the sled mouth, the sled mouth is convenient for the prying bar and is stretched into with swiftly sled and remove remaining piece.

Preferably, the surfaces of the foot part and the glue storage cavity are both frosted.

The frosting of the surface is advantageous for increasing the adhesive strength of the glue, whereby this preference is advantageous for further ensuring the vibration durability of the present plastic holder.

The utility model discloses following beneficial effect has:

1. split type car plastic support's support main part and supporting legs respectively are independent part, and the supporting legs bonds and is fixed in the support main part, when satisfying vibration durability's demand, when taking place slight collision, this split type car plastic support can be at the junction fracture earlier, bond again during the maintenance or replace bond behind the damaged piece can, be favorable to avoiding prior art's integral type structure in case the fracture is just the condemned condition of whole plastic support, and then be favorable to reducing cost of maintenance and avoiding the wasting of resources.

2. Dress foot portion sets up the junction of two looks proximal surfaces of support main part is favorable to improving the support intensity to the supporting legs.

3. The utility model discloses be equipped with the storage in the connection face department of connecting portion and glue the chamber, from this, connecting portion and dress foot can glue the intracavity thick colloid bonding fixedly through the storage, are favorable to improving the adhesive strength that the supporting legs bonded in the support main part to satisfy the demand of vibration durability. Furthermore, the connecting part is also provided with an anti-overflow ring groove at the connecting surface, the anti-overflow ring groove is surrounded at the outer side of the glue storage cavity, so that if glue overflows from the glue storage cavity, the glue can flow into the anti-overflow ring groove to avoid overflow.

4. The foot-fitting part of the utility model contains a retention ring column for pre-assembling in the supporting foot, which is beneficial for the supporting foot to be installed in the corresponding position of the bracket main body quickly and accurately. Further, the outer side wall of the retention ring column is in interference fit with the anti-overflow ring groove, so that the overflow of the glue is further prevented; the inner side wall of the retention ring column is in clearance fit with the anti-overflow ring groove, and therefore the clearance between the inner side wall of the retention ring column and the anti-overflow ring groove can be used for storing glue.

5. This scheme the supporting legs still contains the portion of cutting off in advance who connects in connecting portion, the outer wall of the portion of cutting off in advance is equipped with the ring channel, the ring channel is used for the structural strength of the portion of cutting off in advance of weakening, is favorable to improving this plastic support and is receiving external force to drag the cracked probability of ring channel department from the junction of connecting portion or the portion of cutting off in advance, and then is favorable to avoiding the higher support main part fracture of manufacturing cost.

6. This scheme the edge of connecting portion is equipped with the sled mouth, and the crowbar of being convenient for stretches into the piece with swiftly sled removal supporting legs.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the area A in FIG. 1 before installation;

fig. 3 is a schematic perspective view of the supporting foot.

In the figure: 1 bracket main body, 11 foot parts, 111 retention ring column, 2 support foot, 21 connecting part, 211 connecting surface, 212 glue storage cavity, 213 anti-overflow ring groove, 214 prying port, 22 pre-breaking part and 221 annular groove.

Detailed Description

The following is a detailed description of the embodiments of the present invention and the accompanying drawings, which are not intended to limit the present invention, and after reading the present specification, those skilled in the art can make modifications to the embodiments as required without inventive contribution, but all the embodiments are protected by patent law within the scope of the claims of the present invention.

A split type automobile plastic support comprises a support main body 1 and supporting legs 2 which are independent of each other. The bracket main body 1 comprises a foot-mounting part 11, and the foot-mounting part 11 is arranged at the joint of two adjacent surfaces of the bracket main body 1; the support leg 2 includes a connecting portion 21, and the connecting portion 21 is fixed to the foot mounting portion 11 by bonding.

For satisfying the demand of vibration durability, need improve supporting legs 2 and bond in the bonding strength of support main part 1, as preferred, connecting portion 21 contains and is connected face 211, connecting portion 21 is in connect face 211 department be equipped with certainly connect the storage that face 211 inwards extended to glue chamber 212, from this, connecting portion 21 and dress foot 11 can bond fixedly through the thick colloid in storage gluey chamber 212, are favorable to improving supporting legs 2 and bond in the bonding strength of support main part 1. Preferably, the foot-fitting part 11 and the glue storage cavity 212 are both frosted on the surface to improve the adhesive strength of the glue.

Further, if the glue in the glue storage cavity 212 overflows, the assembly progress is affected, preferably, the connecting portion 21 is further provided with an anti-overflow ring groove 213 extending inwards from the connecting surface 211 at the connecting surface 211, and the anti-overflow ring groove 213 is defined around the outer side of the glue storage cavity 212, so that if the glue overflows from the glue storage cavity 212, the glue can flow into the anti-overflow ring groove 213 to avoid overflow.

The leg mounting part 11 comprises a retention ring column 111 for being pre-mounted on the supporting leg 2, so that the supporting leg 2 can be quickly and accurately mounted at the corresponding position of the bracket main body 1.

Further, the inner side wall of the retention ring column 111 is in clearance fit with the anti-overflow ring groove 213, so that the clearance between the inner side wall of the retention ring column 111 and the anti-overflow ring groove 213 can be used for storing glue; the outer sidewall of the retention ring post 111 is interference fit with the no-flow ring groove 213, which is beneficial to prevent further outflow of glue from the no-flow ring groove 213.

The manufacturing cost of support main part 1 is higher than supporting legs 2, for avoiding the higher support main part 1 of cost fracture when receiving external force and dragging, as preferred, supporting legs 2 still contain connect in the portion 22 of cutting off in advance of connecting portion 21, this split type car plastic support passes through the portion 22 of cutting off in advance is installed in other parts, the outer wall of the portion 22 of cutting off in advance is equipped with ring channel 221, and this ring channel 221 encircles 22 a week of cutting off in advance for weakening 22 of cutting off in advance's structural strength, from this, be favorable to improving this plastic support from the cracked probability of bonding department or supporting legs 2's ring channel 221 department, in order to avoid the higher 1 fracture of support main part of cost.

Further, the edge of the connecting portion 21 is provided with a prying opening 214, so that when the supporting leg 2 is broken at the bonding position or the annular groove 221, and further, when a part of fragments of the supporting leg 2 are left in the bracket main body 1, a prying bar can be used to extend into the prying opening 214 to quickly pry off the residual fragments of the supporting leg 2.

The holder main body 1 often includes a plurality of leg portions 11, and the shapes of the support legs 2 connected to the leg portions 11 are slightly different from each other. In order to avoid the support legs 2 from being incorrectly assembled, preferably, an error-proof protrusion is disposed on an outer side wall of the retention ring column 111, an error-proof bayonet for the error-proof protrusion to be inserted is disposed in the anti-overflow ring groove 213 corresponding to the retention ring column 111, and the error-proof protrusions included in each support leg 2 have different shapes, such as multi-prism blocks with different numbers of prisms. Therefore, each supporting leg 2 can only be mounted on the corresponding leg mounting part 11, and the connecting surface 211 of the supporting leg 2 in the wrong mounting position is difficult to abut against the bracket main body 1, so that the supporting leg 2 is difficult to be bonded and fixed, and the wrong mounting of the supporting leg 2 is favorably avoided.

The embodiments of the invention described above and shown in the drawings are intended as examples only and do not limit the invention. Those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the present disclosure, and such modifications or substitutions are intended to be included within the scope of the present disclosure. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The purpose of the utility model is completely and effectively realized. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. The utility model provides a split type car plastic support, its characterized in that contains support subject (1) and supporting legs (2), support subject (1) contains dress foot portion (11), supporting legs (2) contain connecting portion (21), connecting portion (21) bonding fixation in dress foot portion (11).

2. The split automotive plastic carrier as claimed in claim 1, characterized in that the foot-fitting portion (11) is provided at the junction of two adjacent faces of the carrier body (1).

3. The split type automotive plastic bracket as claimed in claim 1, characterized in that the connecting portion (21) includes a connecting surface (211), and the connecting portion (21) is provided with a glue storage cavity (212) extending inwards from the connecting surface (211) at the connecting surface (211).

4. The split type plastic bracket for the automobile as claimed in claim 3, wherein the connecting portion (21) is further provided with an anti-overflow ring groove (213) extending inwards from the connecting surface (211) at the connecting surface (211), and the anti-overflow ring groove (213) is enclosed outside the glue storage cavity (212).

5. The split plastic automotive bracket of claim 4, characterized in that the foot-mounting portion (11) comprises a retention ring (111) for pre-mounting to the support foot (2).

6. The split automotive plastic bracket of claim 5, characterized in that the outer sidewall of the retaining ring post (111) is interference fit in the anti-spill ring groove (213), and the inner sidewall of the retaining ring post (111) is clearance fit in the anti-spill ring groove (213).

7. The split type automobile plastic support is characterized in that the supporting foot (2) further comprises a pre-breaking part (22), the pre-breaking part (22) is connected to the connecting part (21), and an annular groove (221) is formed in the outer wall of the pre-breaking part (22).

8. The split plastic automotive bracket of claim 1, characterized in that the edge of the connecting portion (21) is provided with a pry opening (214).

9. The split plastic automotive bracket of claim 3, wherein the foot-fitting portion (11) and the glue storage cavity (212) are both surface-sanded.