CN203094192U - Auxiliary frame connecting base capable of losing efficacy - Google Patents
Auxiliary frame connecting base capable of losing efficacy Download PDFInfo
- Publication number
- CN203094192U CN203094192U CN 201220746763 CN201220746763U CN203094192U CN 203094192 U CN203094192 U CN 203094192U CN 201220746763 CN201220746763 CN 201220746763 CN 201220746763 U CN201220746763 U CN 201220746763U CN 203094192 U CN203094192 U CN 203094192U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- tubule
- subframe
- upper left
- auxiliary frame
- 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.)
- Expired - Lifetime
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Abstract
The utility model discloses an auxiliary frame connecting base capable of losing efficacy. The auxiliary frame connecting base capable of losing the efficacy comprises a base body. A swing arm connecting part, a rear cross beam connecting part and an upper left longitudinal hollow beam connecting part are arranged on the base body. The swing arm connecting part and a swing arm of an auxiliary frame are mutually connected. A first screw hole which is connected with a rear cross beam of the auxiliary frame is formed in the rear cross beam connecting part. A second screw hole which is connected with an upper left longitudinal hollow beam of the auxiliary frame is formed in the upper left longitudinal hollow beam connecting part. A first groove part which reduces the structural strength of the rear cross beam connecting part is formed in the rear cross beam connecting part. According to the auxiliary frame connecting base capable of losing the efficacy, the first groove part is formed in the rear cross beam connecting part, so that the rear cross beam connecting part is prone to be damaged, loses the efficacy and cracks at the time of a collision, the structure of the auxiliary frame is damaged, and the collision effect is buffered. Therefore, the auxiliary frame connecting base capable of losing the efficacy is suitable for a vehicle with a unitary construction body and can reduce injury of a passenger by the collision.
Description
Technical field
The utility model belongs to vehicular field, relates to a kind of subframe parts that cooperate with self-supporting body, relates in particular to a kind of subframe Connection Block that lost efficacy.
Background technology
When the high-speed crash of vehicle; the whole tendency of the acceleration level of car body is mild; the car body acceleration peak value is low will be more favourable to occupant's protection; yet; vehicle for present employing self-supporting body; the bolted connection that all adopts strength grade higher that is connected of its subframe and vehicle body; and subframe itself does not have the weakening structure of inductive cleavage inefficacy; therefore; when vehicle collision; subframe can not carry out any buffer action; can not reduce the acceleration/accel of car body; and the steering swivel system of vehicle is connected on the subframe; if this subframe can not fracture failure, it may transfer to steering swivel system with impact force, thereby the parts of steering swivel system are damaged the occupant.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of subframe Connection Block that lost efficacy, and it can lose efficacy when collision happens, the subframe structure is destroyed, thereby tampering action is cushioned.
For solving the problems of the technologies described above, technical solution adopted in the utility model is:
A kind of subframe Connection Block that lost efficacy, comprise seat body, on seat body, be provided with swing arm connecting portion, after cross member connecting portion and upper left longitudinal tubule (L tubule) beam connecting portion, described swing arm connecting portion is connected with the swing arm of subframe, on the after cross member connecting portion, be provided with after cross member bonded assembly first screw hole with subframe, described upper left longitudinal tubule (L tubule) beam connecting portion is provided with upper left longitudinal tubule (L tubule) beam bonded assembly second screw hole with subframe, is provided with first groove that reduces its structural strength on the after cross member connecting portion.
As to qualification of the present utility model, described first groove originates in the outer face place of after cross member connecting portion and is connected with first screw hole.
As to another kind of qualification the of the present utility model, on upper left longitudinal tubule (L tubule) beam connecting portion, be provided with second groove that lowers its structural strength.
As to further qualification of the present utility model, described second groove originates in the outer face place of upper left longitudinal tubule (L tubule) beam connecting portion and is connected with second screw hole.
As to further qualification of the present utility model, described swing arm connecting portion is provided with the swing arm bonded assembly rubber bush with subframe.
Owing to adopted above-mentioned technical scheme, the utility model compared with prior art, obtained technological advance is: the subframe Connection Block that lost efficacy provided by the utility model, first groove is set on the after cross member connecting portion, thereby make the after cross member connecting portion be easy to be damaged, when bumping, lost efficacy and ruptured, destroyed the structure of subframe, cushioned tampering action; First groove is communicated with the outer face of after cross member connecting portion with first screw hole, make it easy to process, and the effect that reduces structural strength is obvious; On upper left longitudinal tubule (L tubule) beam connecting portion, second groove is set, can reduces the structural strength of upper left longitudinal tubule (L tubule) beam connecting portion, make it and being connected of upper left longitudinal tubule (L tubule) beam of subframe be easy to lose efficacy, further reduced injury the occupant; Second groove is communicated with the outer face of upper left longitudinal tubule (L tubule) beam connecting portion with second screw hole, easy to process equally, and the effect that reduces structural strength is obvious.The utility model is applicable on the vehicle of self-supporting body, reduces the injury of collision to the occupant.
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Description of drawings
Fig. 1 is the front view of the utility model embodiment;
Fig. 2 is a birds-eye view embodiment illustrated in fig. 1.
Among the figure: 1-seat body, 2-swing arm connecting portion, 21-rubber bush, 3-after cross member connecting portion, 31-first screw hole, 32-first groove, the upper left longitudinal tubule (L tubule) beam of 4-connecting portion, 41-second screw hole, 42-second groove.
The specific embodiment
Embodiment
As shown in Figures 1 and 2, the utility model embodiment discloses a kind of subframe Connection Block that lost efficacy, its seat body 1 is provided with the swing arm bonded assembly swing arm connecting portion 2 with subframe, its swing arm connecting portion 2 is provided with rubber bush 21 and is used for damping of vibrations, on seat body 1, also be provided with after cross member connecting portion 3 and upper left longitudinal tubule (L tubule) beam connecting portion 4, be connected with the after cross member of subframe and the upper left longitudinal tubule (L tubule) beam of subframe respectively, wherein, on after cross member connecting portion 3, be provided with and after cross member bonded assembly first screw hole 31, on upper left longitudinal tubule (L tubule) beam connecting portion 4, be provided with second screw hole 41 that links to each other with upper left longitudinal tubule (L tubule) beam.
Above structure is the basic structure on the existing subframe Connection Block, in the subframe Connection Block that lost efficacy of present embodiment, in order to reduce its structural strength, on after cross member connecting portion 3, be provided with first groove 32, thereby make after cross member connecting portion 3 that fracture failure take place when being collided easily.First groove 32 originates in the outer face place of after cross member connecting portion 3, and it is connected with first screw hole 31, so only need on after cross member connecting portion 3, carry out a spot of cutting, it can reduce the structural strength of after cross member connecting portion 3 significantly, make when collision takes place, after cross member connecting portion 3 ruptures, thereby the subframe integral structure is destroyed, and can carry out the energy-absorbing buffering effect to tampering action.
In order further to reduce structural strength, on upper left longitudinal tubule (L tubule) beam connecting portion 4, be provided with second groove 42, this second groove 42 originates in the outer face of upper left longitudinal tubule (L tubule) beam connecting portion 4 and is connected with second screw hole 41, equally, it only needs a spot of cutting, and has reduced the intensity of upper left longitudinal tubule (L tubule) beam connecting portion 4 significantly.When bumping, upper left longitudinal tubule (L tubule) beam connecting portion 4 breaks away from the upper left longitudinal tubule (L tubule) beam of subframe and is connected, and can avoid steering swivel system to hit the interior occupant of operator's compartment by actv., reduces the injury that the occupant is subjected to.
Claims (5)
1. subframe Connection Block that can lose efficacy, comprise seat body, on seat body, be provided with swing arm connecting portion, after cross member connecting portion and upper left longitudinal tubule (L tubule) beam connecting portion, described swing arm connecting portion is connected with the swing arm of subframe, on the after cross member connecting portion, be provided with after cross member bonded assembly first screw hole with subframe, described upper left longitudinal tubule (L tubule) beam connecting portion is provided with upper left longitudinal tubule (L tubule) beam bonded assembly second screw hole with subframe, it is characterized in that: be provided with first groove that reduces its structural strength on the after cross member connecting portion.
2. the subframe Connection Block that lost efficacy according to claim 1 is characterized in that: described first groove originates in the outer face place of after cross member connecting portion and is connected with first screw hole.
3. the subframe Connection Block that lost efficacy according to claim 1 and 2 is characterized in that: be provided with second groove that lowers its structural strength on upper left longitudinal tubule (L tubule) beam connecting portion.
4. the subframe Connection Block that lost efficacy according to claim 3 is characterized in that: described second groove originates in the outer face place of upper left longitudinal tubule (L tubule) beam connecting portion and is connected with second screw hole.
5. the subframe Connection Block that lost efficacy according to claim 1 is characterized in that: described swing arm connecting portion is provided with the swing arm bonded assembly rubber bush with subframe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746763 CN203094192U (en) | 2012-12-31 | 2012-12-31 | Auxiliary frame connecting base capable of losing efficacy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220746763 CN203094192U (en) | 2012-12-31 | 2012-12-31 | Auxiliary frame connecting base capable of losing efficacy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203094192U true CN203094192U (en) | 2013-07-31 |
Family
ID=48845623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220746763 Expired - Lifetime CN203094192U (en) | 2012-12-31 | 2012-12-31 | Auxiliary frame connecting base capable of losing efficacy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203094192U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859720A (en) * | 2014-02-26 | 2015-08-26 | 通用汽车环球科技运作有限责任公司 | Chassis mount structure |
-
2012
- 2012-12-31 CN CN 201220746763 patent/CN203094192U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859720A (en) * | 2014-02-26 | 2015-08-26 | 通用汽车环球科技运作有限责任公司 | Chassis mount structure |
| US9776669B2 (en) | 2014-02-26 | 2017-10-03 | GM Global Technology Operations LLC | Chassis mount structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130731 |