CN201872552U - Locking device for traction pin of vehicle - Google Patents
Locking device for traction pin of vehicle Download PDFInfo
- Publication number
- CN201872552U CN201872552U CN2010206508630U CN201020650863U CN201872552U CN 201872552 U CN201872552 U CN 201872552U CN 2010206508630 U CN2010206508630 U CN 2010206508630U CN 201020650863 U CN201020650863 U CN 201020650863U CN 201872552 U CN201872552 U CN 201872552U
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- pin
- hole
- locking
- lock
- spring
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Abstract
A locking device for a traction pin of a vehicle comprises a pin base and a traction pin horizontally passing through the pin base, wherein the traction pin is provided with a guiding pin hole vertical to the axis of the traction pin, a guiding pin is arranged in the guiding pin hole, one end of the guiding pin is arranged in the guiding pin hole through a spring mechanism, the other end of the guiding pin extends out of the guiding pin hole by the elasticity of the spring and is blocked on the pin base to limit the axial movement of the traction pin, the tail part of the traction pin is also provided with a locking pin hole parallel with the axis of the traction pin, a locking pin is arranged in the locking pin hole, a slot is circularly arranged on the guiding pin, one end of the locking pin is arranged in the locking pin hole through a spring mechanism, and the other end of the locking pin can be inserted in the slot by the elasticity of the spring to limit the axial movement of the guiding pin. In the utility model, the guiding pin and the locking pin used as a dual locking mechanism are additionally arranged to control the popping out and locking of the guiding pin by the locking pin and to control the locking and freedom of the traction pin by the guiding pin, and the traction pin has the advantages of exquisite structure, and is convenient and reliable to operate.
Description
Technical field
The utility model relates to a kind of vehicle traction device, especially a kind of vehicle traction lock locking apparatus.
Background technology
At present, a large amount of bolt-type towing pins that use of heavy motor vehicle, the locking end adopts the spring cotter ways of connecting, though simple in structure, be to use inconvenience.
The utility model content
The purpose of this utility model is to provide a kind of new vehicle traction lock locking apparatus of convenient and reliable operation.
According to the purpose of this utility model, based on same inventive concept, the utility model provides two kinds of technical schemes.
First kind of technical scheme of the present utility model is: a kind of vehicle traction lock locking apparatus, comprise key seat and the towing pin that crosses key seat, described towing pin is provided with the guide pin hole with its axis normal, be provided with guide finger in the described guide pin hole, one end of described guide finger is installed in the described guide pin hole by spring device, the other end can stretch out outside the described guide pin hole by the elastic force of spring and be stuck on the key seat, limits moving axially of described towing pin; Described towing pin afterbody also is provided with the locking pin-and-hole with its parallel axes, be provided with lock pin in the locking pin-and-hole, be equipped with a draw-in groove on the described guide finger, one end of described lock pin is installed in the locking pin-and-hole by spring device, but the other end other end can insert by the elastic force of spring in the described draw-in groove, the moving axially of restricted guidance pin.
Second kind of technical scheme of the present utility model is:
A kind of vehicle traction lock locking apparatus, comprise key seat and insert the interior towing pin of key seat, it is characterized in that: described key seat is provided with the guide pin hole with the axis normal of described towing pin, be provided with guide finger in the described guide pin hole, one end of described guide finger is installed in the described guide pin hole by spring device, the other end can stretch out outside the described guide pin hole by the elastic force of spring and pass corresponding pin-and-hole on the towing pin, limits moving axially of described towing pin; Also be provided with locking pin-and-hole on the described key seat with the parallel axes of described towing pin, be provided with lock pin in the locking pin-and-hole, be equipped with a draw-in groove on the described guide finger, one end of described lock pin is installed in the locking pin-and-hole by spring device, but the other end other end can insert by the elastic force of spring in the described draw-in groove, the moving axially of restricted guidance pin.
The difference of above-mentioned two kinds of technical schemes is that it still is on the key seat that guide finger and lock pin are arranged on the towing pin.First kind of scheme is applicable to the situation that the key seat wall is thin, towing pin crosses key seat; Second kind of scheme then is applicable to the thicker and interior situation of towing pin insertion key seat of key seat wall.
Technique effect of the present utility model is: on the basis of bolt-type towing pin structure in the prior art, guide finger and lock pin two-bolt lock locking mechanism have been increased, ejection and locking by lock pin control guide finger, control the locking and the freedom of towing pin again by guide finger, delicate structure, convenient and reliable operation.
Description of drawings
Fig. 1 is one of scheme drawing of the utility model embodiment one (a towing pin locking state);
Fig. 2 is two (towing pin is extracted state) of the scheme drawing of the utility model embodiment one;
Fig. 3 is the scheme drawing of the utility model embodiment two;
Wherein, identical numbering is represented identical part:
1. key seat 2. towing pins 3. jump rings 4. positioning plates
5. spring 6. guide fingers 7. lock pins 71. bulbs
72. draw ring 8. guide pin hole 9. locking pin-and-holes
The specific embodiment
As shown in Figure 1, in an embodiment of the present utility model, the vehicle traction pin comprises key seat 1 and towing pin 2.Wherein, towing pin 2 crosses key seat 1 and uses guide finger 6 lockings.Concrete locking structure and principle will be described in more detail below.
The assembly relation of guide finger 6 and lock pin 7 will satisfy: under the situation in guide finger 6 is return guide pin hole 8, bulb 71 can insert under the effect of spring 5 in the draw-in groove on the guide finger 6; And pull out draw ring 72 outward, can make guide finger 6 eject and limit moving axially of towing pin 2.When towing pin 2 is extracted or inserted to needs, guide finger 6 is pushed back in the towing pin 2, in the moving process of guide finger 6, bulb 71 can slip into interior also the moving axially of restricted guidance pin 6 of draw-in groove of guide finger 6, thereby towing pin 2 is in free state as shown in Figure 2, can successfully towing pin 2 be inserted or extract key seat 1.When towing pin 2 passes key seat 1 and need be by locking the time, as long as pull out draw ring 72, guide finger 6 will eject, and cooperates key seat 1 with towing pin 2 lockings, as shown in Figure 1.
As shown in Figure 3, in another embodiment of the present utility model, the vehicle traction pin comprises key seat 1 and towing pin 2.Wherein, towing pin 2 vertically inserts in the key seat 1 and uses guide finger 6 lockings.
Be provided with guide pin hole 8 in the key seat 1 with the axis normal of towing pin 2, guide finger 6 is installed in the guide pin hole 8 by spring 5, and the one end is fixed on the spring 5, and spring 5 is fixed on the positioning plate 4, jump ring 3 is stuck in the guide pin hole 8, and restriction positioning plate 4 and spring 5 is mobile.Also be provided with the locking pin-and-hole 9 with the parallel axes of towing pin 2 in the key seat 1, lock pin 7 is installed in the locking pin-and-hole 9 by spring 5 and positioning plate 4 and jump ring 3, and the mode of installation is the same with guide finger 6.The end of lock pin 7 is spherical, and promptly bulb 71.Be equipped with a draw-in groove on the guide finger 6, its shape and this bulb adapt, and bulb 71 matches with draw-in groove on the guide finger 6, realize the locking and the freedom of guide finger 6.The head of lock pin 7 is provided with draw ring 72, is used for lock pin 7 is extracted in locking pin-and-hole 9.
The assembly relation of guide finger 6 and lock pin 7 will satisfy: under the situation in guide finger 6 is return guide pin hole 8, bulb 71 can insert under the effect of spring 5 in the draw-in groove on the guide finger 6; And pull out draw ring 72 outward, can make guide finger 6 eject and limit moving axially of towing pin 2.When towing pin 2 is extracted or inserted to needs, guide finger 6 is pushed back in the towing pin 2, in the moving process of guide finger 6, bulb 71 can slip into interior also the moving axially of restricted guidance pin 6 of draw-in groove of guide finger 6, thereby towing pin 2 is in free state as shown in Figure 3, can successfully towing pin 2 be inserted or extract key seat 1.When towing pin 2 passes key seat 1 and need be by locking the time, as long as pull out draw ring 72, guide finger 6 will eject, and cooperates key seat 1 with towing pin 2 lockings, as shown in Figure 1.
Usually, spring can be fixed in towing pin or the key seat by positioning plate and jump ring.It will be appreciated by those skilled in the art that spring can also be fixed in towing pin or the key seat by other various known means, its fixed form does not belong to protection domain of the present utility model.
Claims (10)
1. a vehicle traction lock locking apparatus comprises key seat and the towing pin that crosses key seat, it is characterized in that:
Described towing pin is provided with the guide pin hole with its axis normal, be provided with guide finger in the described guide pin hole, one end of described guide finger is installed in the described guide pin hole by spring device, the other end can stretch out outside the described guide pin hole by the elastic force of spring and be stuck on the key seat, limits moving axially of described towing pin;
Described towing pin afterbody also is provided with the locking pin-and-hole with its parallel axes, be provided with lock pin in the locking pin-and-hole, be equipped with a draw-in groove on the described guide finger, one end of described lock pin is installed in the locking pin-and-hole by spring device, but the other end other end can insert by the elastic force of spring in the described draw-in groove, the moving axially of restricted guidance pin.
2. vehicle traction lock locking apparatus as claimed in claim 1, it is characterized in that, described guide finger and the lock pin assembly relation in towing pin is: when towing pin can be moved freely, lock pin can insert the draw-in groove of guide finger with its locking.
3. vehicle traction lock locking apparatus as claimed in claim 2, it is characterized in that, described spring device comprises jump ring, positioning plate and spring respectively, and described jump ring is placed in respectively in guide pin hole and the locking pin-and-hole, and positioning plate and spring are limited in respectively in guide pin hole and the locking pin-and-hole.
4. as claim 2 or 3 described vehicle traction lock locking apparatus, it is characterized in that described lock pin end is spherical, the draw-in groove cross section on the described guide finger is the shape that adapts with described sphere.
5. vehicle traction lock locking apparatus as claimed in claim 4 is characterized in that, described lock pin head is provided with and is used for draw ring that lock pin is extracted in the draw-in groove of guide finger.
6. a vehicle traction lock locking apparatus comprises key seat and inserts the interior towing pin of key seat, it is characterized in that:
Described key seat is provided with the guide pin hole with the axis normal of described towing pin, be provided with guide finger in the described guide pin hole, one end of described guide finger is installed in the described guide pin hole by spring device, the other end can stretch out outside the described guide pin hole by the elastic force of spring and pass corresponding pin-and-hole on the towing pin, limits moving axially of described towing pin;
Also be provided with locking pin-and-hole on the described key seat with the parallel axes of described towing pin, be provided with lock pin in the locking pin-and-hole, be equipped with a draw-in groove on the described guide finger, one end of described lock pin is installed in the locking pin-and-hole by spring device, but the other end other end can insert by the elastic force of spring in the described draw-in groove, the moving axially of restricted guidance pin.
7. vehicle traction lock locking apparatus as claimed in claim 6, it is characterized in that, described guide finger and the lock pin assembly relation in towing pin is: when towing pin can be moved freely, lock pin can insert the draw-in groove of guide finger with its locking.
8. vehicle traction lock locking apparatus as claimed in claim 7, it is characterized in that, described spring device comprises jump ring, positioning plate and spring respectively, and described jump ring is placed in respectively in guide pin hole and the locking pin-and-hole, and positioning plate and spring are limited in respectively in guide pin hole and the locking pin-and-hole.
9. as claim 7 or 8 described vehicle traction lock locking apparatus, it is characterized in that described lock pin end is spherical, the draw-in groove cross section on the described guide finger is the shape that adapts with described sphere.
10. vehicle traction lock locking apparatus as claimed in claim 9 is characterized in that, described lock pin head is provided with and is used for draw ring that lock pin is extracted in the draw-in groove of guide finger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206508630U CN201872552U (en) | 2010-12-08 | 2010-12-08 | Locking device for traction pin of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206508630U CN201872552U (en) | 2010-12-08 | 2010-12-08 | Locking device for traction pin of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201872552U true CN201872552U (en) | 2011-06-22 |
Family
ID=44160484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206508630U Expired - Fee Related CN201872552U (en) | 2010-12-08 | 2010-12-08 | Locking device for traction pin of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201872552U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949885A (en) * | 2014-05-07 | 2014-07-30 | 广西玉柴机器股份有限公司 | Stud device of mechanical arm for tipper |
| CN105329054A (en) * | 2015-11-27 | 2016-02-17 | 衡阳合力工业车辆有限公司 | Traction pin |
| CN109524886A (en) * | 2018-11-23 | 2019-03-26 | 黎庆有 | A kind of electric power electric switchgear emergency opening press button protecting device |
-
2010
- 2010-12-08 CN CN2010206508630U patent/CN201872552U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103949885A (en) * | 2014-05-07 | 2014-07-30 | 广西玉柴机器股份有限公司 | Stud device of mechanical arm for tipper |
| CN105329054A (en) * | 2015-11-27 | 2016-02-17 | 衡阳合力工业车辆有限公司 | Traction pin |
| CN105329054B (en) * | 2015-11-27 | 2018-01-19 | 衡阳合力工业车辆有限公司 | A kind of towing pin |
| CN109524886A (en) * | 2018-11-23 | 2019-03-26 | 黎庆有 | A kind of electric power electric switchgear emergency opening press button protecting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110622 Termination date: 20191208 |