CN205524128U - A draw and take off lock for car steering column - Google Patents
A draw and take off lock for car steering column Download PDFInfo
- Publication number
- CN205524128U CN205524128U CN201620304975.8U CN201620304975U CN205524128U CN 205524128 U CN205524128 U CN 205524128U CN 201620304975 U CN201620304975 U CN 201620304975U CN 205524128 U CN205524128 U CN 205524128U
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- lock
- pull
- steering column
- lock body
- halfbody
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Abstract
The utility model relates to a draw and take off lock for car steering column, take off lock body, characterized by including two the same drawing of structure: draw the last halfbody that takes off lock body and parallel arrangement the same by the outline with halfbody down and constitute through the connection of U -shaped steel band, the middle part of going up the halfbody is equipped with the oval turn down rims bar hole of buckling in the area downwards down the middle part of halfbody is equipped with the slotted hole, this slotted hole with the bar pore pair of going up the halfbody middle part should. The utility model discloses can improve the uniformity of pulling -out force, guarantee whole car collision safety, improve the qualification rate of steering column product simultaneously.
Description
Technical field
This utility model belongs to automobile steering system, is specifically related to a kind of pull lock for car steering tube column.
Background technology
Major part steering column for vehicles pulls lock and uses injection molding type to pull structure injection molding type and pull lock in the market, sees Fig. 1, and injection molding type pulls lock 20 and is arranged in former steering column mounting bracket 30.It is polyformaldehyde (POM) that injection molding type pulls structure injected plastics material, can be affected, it is difficult to ensure that pulling-out force is in scope of design by factors such as ambient temperature, moisture, injection time, injection pressures during polyformaldehyde injection.For solving this problem, most steering column producers, by being monitored environment, temperature, humidity during injection, ceaselessly adjust the injection pressure of injection machine simultaneously.As CN 204077769U discloses " a kind of steering column governor motion ", including hands handle, it is molded the supporting plate connected and pulls lock, the clamping device that is simultaneously connected with described handle and described supporting plate and connect described handle and described clamping device handle spring, the described lock that pulls is connected with pipe beam bolt, in addition, it is additionally included in the wind spring that described supporting plate two ends are arranged, one end of described wind spring is flat face, described flat face is through the through hole on described supporting plate, and described in extending to, pull the bottom surface of lock, and lock fixing connection with described pulling, described flat face coordinates with described via clearance.Therefore, when colliding, injection structure ruptures, supporting plate with pull lock separate after, will be along wind spring apparent motion, until departing from after leaf spring is stretched, the frictional force between supporting plate and leaf spring, make steering wheel and tubing string falling speed less, thus reduce steering wheel and tubing string and driver's leg is damaged.But injection mo(u)lding pull lock its pulling-out force concordance poor, and still have significant proportion pull lock pulling-out force do not meet design requirement.This is accomplished by again doing over again, and causes the waste that human and material resources are unnecessary.Therefore, the existing lock that pulls needs to be improved further.
Summary of the invention
The purpose of this utility model is to provide and a kind of pulls lock for car steering tube column, and it can improve the concordance of pulling-out force, it is ensured that complete automobile collision safety, improves the qualification rate of steering column product simultaneously.
Described in the utility model a kind of pull lock for car steering tube column, including two structures identical pull lock body, it is characterized in that: described in pull that lock body is identical by outline and the upper semi-body that is arranged in parallel and lower semi-body connected and composed by U-shaped steel band；Being provided with the bar hole of the band oval flange of bending downwards at the middle part of described upper semi-body, be provided with slotted hole at the middle part of described lower semi-body, this slotted hole is corresponding with the bar hole in the middle part of described upper semi-body.
Further, the bar shaped in the middle part of described upper semi-body be respectively provided on two sides with sunken arcs structure.
Further, described in pull lock body 2 for stamping forming sheet metal component, its upper semi-body, lower semi-body and U-shaped steel band are one overall.
Further, described two pull lock body and coordinate with steering column mounting bracket respectively, and are connected with the project-welding nut joined in car load mounting bracket through two slotted holes pulled in the middle part of lock body by installation bolt respectively.
This utility model has the advantage that owing to pulling lock body employing steel plate punched molding, it is possible to improve the concordance of pulling-out force, it is ensured that complete automobile collision safety, meets the complete automobile collision requirement to steering column；Improve the qualification rate of steering column product simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation that existing injection molding type pulls lock.
Fig. 2 is structural representation of the present utility model.
Fig. 3 is the assembling schematic diagram figure of this utility model and steering column with car load.
When Fig. 4 is to collide, steering column pulls the motion schematic diagram of lock relatively.
In figure: 20-injection molding type pulls lock, 30-former steering column mounting bracket；1-car load mounting bracket, 2-pulls lock body, 3-steering column mounting bracket, 4-project-welding nut, and 5-installs bolt；21-upper semi-body, 22-lower semi-body, 23-U shape steel band, 24-ellipse flange, 25-sunken arcs structure, 26-slotted hole.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described further.
Shown in Figure 2 a kind of pull lock for car steering tube column, including two structures identical pull lock body 2, it is characterized in that: described in pull that lock body 2 is identical by outline and the upper semi-body 21 that is arranged in parallel and lower semi-body 22 connected and composed by U-shaped steel band 23；The described lock body 2 that pulls is for stamping forming sheet metal component, and its upper semi-body 21, lower semi-body 22 and U-shaped steel band 23 are an entirety.
Being provided with the bar hole of the band oval flange 24 of bending downwards at the middle part of described upper semi-body 21, be provided with slotted hole 26 at the middle part of described lower semi-body 22, this slotted hole is corresponding with the bar hole in the middle part of described upper semi-body 21.Bar shaped in the middle part of described upper semi-body 21 be respectively provided on two sides with sunken arcs structure 25.To control to pull lock body because installing that torsion is excessive and gross distortion.
Seeing Fig. 3, described two pull lock body 2 and coordinate with steering column mounting bracket 3 respectively, and are connected with the project-welding nut 4 joined in car load mounting bracket 1 through two slotted holes pulled in the middle part of lock body 26 by installation bolt 5 respectively.
After assembling, two pull be stressed crimp and steering column mounting bracket 3 of lock body 2 and fit and produce pressure, and then two pull generation internal friction between lock body and steering column mounting bracket.See Fig. 4, when car load collides, and impact force is more than when pulling the internal friction between lock body and steering column mounting bracket, steering column mounting bracket moves down along steering column axis direction relative to pulling lock body, until separating with pulling lock body, bolt is fixing with car load mounting bracket to be remained stationary as by installing now to pull lock body, during pulling that lock body is relative with steering column mounting bracket and sliding due to two components between there is friction and balance out local collision power, thus arrive energy-absorbing function.
Produce the size noting ensureing to pull lock when pulling lock body, ensure to pull lock body and steering column mounting bracket fit dimension simultaneously, and pull lock body when being arranged on car load, the installation moment of torsion of bolt.Pull lock body to coordinate with steering column mounting bracket, and steering column crumple power when the torque value installing bolt determines complete automobile collision.
Claims (4)
1. one kind for car steering tube column pull lock, including two structures identical pull lock body (2), it is characterized in that: described in pull that lock body (2) is identical by outline and the upper semi-body (21) that is arranged in parallel and lower semi-body (22) connected and composed by U-shaped steel band (23)；Being provided with the bar hole of the band oval flange (24) of bending downwards at the middle part of described upper semi-body (21), be provided with slotted hole (26) at the middle part of described lower semi-body (22), this slotted hole is corresponding with the bar hole at described upper semi-body (21) middle part.
The most according to claim 1 pull lock for car steering tube column, it is characterized in that: the bar shaped at described upper semi-body (21) middle part be respectively provided on two sides with sunken arcs structure (25).
The most according to claim 1 and 2 pull lock for car steering tube column, it is characterized in that: described in pull lock body (2) be stamping forming sheet metal component, its upper semi-body (21), lower semi-body (22) and U-shaped steel band (23) are one overall.
The most according to claim 1 and 2 pull lock for car steering tube column, it is characterized in that: described two pull lock body (2) and coordinate with steering column mounting bracket (3) respectively, and be connected with the project-welding nut (4) joined in car load mounting bracket (1) through two slotted holes pulled in the middle part of lock body (26) by installation bolt (5) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304975.8U CN205524128U (en) | 2016-04-13 | 2016-04-13 | A draw and take off lock for car steering column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304975.8U CN205524128U (en) | 2016-04-13 | 2016-04-13 | A draw and take off lock for car steering column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205524128U true CN205524128U (en) | 2016-08-31 |
Family
ID=56791688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620304975.8U Active CN205524128U (en) | 2016-04-13 | 2016-04-13 | A draw and take off lock for car steering column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205524128U (en) |
-
2016
- 2016-04-13 CN CN201620304975.8U patent/CN205524128U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |