CN210760113U - Locking device that takes off is pull to car - Google Patents
Locking device that takes off is pull to car Download PDFInfo
- Publication number
- CN210760113U CN210760113U CN201921741669.0U CN201921741669U CN210760113U CN 210760113 U CN210760113 U CN 210760113U CN 201921741669 U CN201921741669 U CN 201921741669U CN 210760113 U CN210760113 U CN 210760113U
- Authority
- CN
- China
- Prior art keywords
- lever
- locking
- automobile
- handle lever
- clamping
- 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.)
- Active
Links
Images
Landscapes
- Lock And Its Accessories (AREA)
Abstract
The utility model provides a locking device for preventing loosening of automobile traction, which comprises an automobile traction connection square opening and a connection support, wherein the connection support is provided with a clamping lever, a handle lever and a connection lever, the positioning end of the clamping lever is hinged on the connection support, the connecting end of the clamping lever is hinged on the connecting end of the handle lever, the clamping lever is provided with a locking buckle, the positioning end of the handle lever is hinged with the swinging end of the connection lever, the positioning end of the connection lever is hinged on the connection support, the handle lever is linked with the clamping lever when pressed downwards so as to lock the locking buckle on the upper end of the automobile traction connection square opening and enable the hinging part of the clamping lever and the handle lever, the hinging part of the handle lever and the connection lever, the hinging part of the connection lever and the connection support are connected on the same straight line, and under the action of the lever principle of a four-bar mechanism, the formed, the structure is firm, increases locking effect, safe and reliable, need not the configuration instrument simultaneously and can conveniently operate.
Description
Technical Field
The utility model relates to a technical field that the car pulls, a locking device that takes off is pull to car specifically says so.
Background
The existing square port for the traction connection of the automobile generally adopts a side bolt, or the bottom of the square port is additionally provided with a bolt for locking and fixing.
When only the side bolt connection mode is adopted, the matching of the automobile traction square opening and the connecting piece is clearance matching with the minimum clearance larger than 0. The connecting piece connected with the automobile traction connecting square opening can generate shaking and abnormal sound in the automobile running process, and the using effect is reduced.
The connection mode of the bottom locking bolt can cause the locking bolt to be loosened due to vibration in the running process of the automobile, the stability is poor, and the safety system is low. Meanwhile, matched wrenches need to be prepared during loading and unloading, and the operation is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a locking device is taken off in car traction locking, and its structure is firm, can utilize hinge four-bar linkage's lever principle to the mechanism is in the dead point position when making locking, with increase locking effect, safe and reliable need not the configuration instrument simultaneously and can conveniently operate.
The invention aims to realize the following steps: the utility model provides a locking device that takes off is prevented in car traction, includes car traction connection square mouth and linking bridge, and linking bridge's one end is connected on car traction connection square mouth, wherein, linking bridge is equipped with and presss from both sides tight lever, handle lever, connection lever, the location end that presss from both sides tight lever articulates on linking bridge, and the link that presss from both sides tight lever articulates the link at the handle lever, and presss from both sides tight lever and be equipped with the locking knot, the location end of handle lever articulates with the swing end of connecting lever, and the location end of connecting lever articulates on linking bridge, the handle lever links when pushing down and presss from both sides tight lever to buckle the locking knot in the upper end of car traction connection square mouth, and make the articulated department of clamping lever and handle lever, the articulated department of handle lever and connecting lever, the articulated department of connecting lever and linking bridge connect in same straight line, so that the clamping lever presss from, The handle lever and the connecting lever form a locking mechanism for locking the automobile traction connecting square opening on the connecting bracket.
According to the optimization, the locking mechanism further comprises a safety locking block and a poking rod, the poking rod is installed at the lower portion of the handle lever, the safety locking block is installed on the handle lever and clamped on the poking rod, and the connecting lever is provided with a locking protruding block which is matched with the poking rod for clamping along with the downward pressing of the handle lever.
According to the above optimization, the locking projection is integrally formed on the top end of the connecting lever.
According to the optimization, the safety locking block is provided with at least one locking hole, the handle lever is provided with an installation through hole, the poke rod is provided with a positioning hole corresponding to the installation through hole, the installation through hole is provided with a plurality of longitudinally arranged locking lugs, and the safety locking block is sequentially inserted into the installation through hole and the positioning hole and is installed in a manner that the locking lugs are matched with the locking holes.
According to the optimization, the automobile traction connection square opening is provided with a fastening position matched with the locking fastener in a fastening mode.
According to the optimization, the automobile traction connection square opening is provided with a safety bolt matched with the connecting support for plug-in mounting.
According to the optimization, the connecting support is provided with a return spring for resetting the locking mechanism and keeping the locking mechanism in an open state, one end of the return spring is buckled on the clamping lever, and the other end of the return spring is buckled on the connecting support.
The utility model has the advantages that:
1) the locking device for preventing loosening of the automobile traction with the structure utilizes the structure matching of the clamping lever, the handle lever and the connecting lever with the connecting support to form the locking mechanism, when the locking mechanism is locked, the locking mechanism is located at a dead point position by only pressing down the handle lever and utilizing the lever principle of the hinge four-bar mechanism, so that the automobile traction connecting square opening is locked on the connecting support, the stability is high, the locking effect is good, the locking device is safe and reliable, meanwhile, the operation can be facilitated without a configuration tool, and the use quality of the device is ensured.
2) The locking structure of cooperation safety locking piece guarantees that locking mechanism is in the unable action of dead point position, and double insurance further strengthens the locking effect, avoids the car to pull and connects square mouthful and linking bridge and take off at the in-process pine of traveling, promotes fail safe nature, improves the quality of use of this device.
3) Reuse safe bolt, further promote factor of safety, the stability of additional strengthening connection.
Drawings
Fig. 1 is a schematic structural view of an open state according to a preferred embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the locking state of the preferred embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
According to attached drawings 1 to 2 show, the utility model discloses a locking device that takes off is pull to car, it includes that the car pulls connection square mouth 1 and linking bridge 2, and linking bridge 2's one end is connected on the car pulls connection square mouth 1. Wherein, the connecting bracket 2 is provided with a clamping lever 3, a handle lever 4 and a connecting lever 5. The positioning end of the clamping lever 3 is hinged on the connecting support 2, the connecting end of the clamping lever 3 is hinged on the connecting end of the handle lever 4, and the clamping lever 3 is provided with a locking buckle 6. The positioning end of the handle lever 4 is hinged with the swinging end of the connecting lever 5, and the positioning end of the connecting lever 5 is hinged on the connecting support 2. The handle lever 4 is linked with the clamping lever 3 while pressing downwards so as to lock the locking buckle 6 at the upper end of the automobile traction connection square opening 1, and the hinged part of the clamping lever 3 and the handle lever 4, the hinged part of the handle lever 4 and the connecting lever 5 and the hinged part of the connecting lever 5 and the connecting support 2 are connected at the same straight line, so that the clamping lever 3, the handle lever 4 and the connecting lever 5 form a locking mechanism for locking the automobile traction connection square opening 1 at the connecting support 2.
The automobile traction connection square opening 1 is provided with a buckling position 11 matched with the locking buckle 6 in a buckling mode.
Namely, when locking, the clamping lever 3 can be linked by only pressing down the handle lever 4, so that the locking buckle 6 of the clamping lever 3 is clamped at the buckling position 11 of the automobile traction connection square opening 1. At this time, the hinged joint of the clamping lever 3 and the handle lever 4, the hinged joint of the handle lever 4 and the connecting lever 5, and the hinged joint of the connecting lever 5 and the connecting bracket 2 are in the same straight line. Under the action of the lever principle of the four-bar linkage mechanism, the locking mechanism is positioned at a dead point position, so that the automobile traction connecting square opening 1 is locked on the connecting bracket 2. The steadiness is high, and locking effect is good, safe and reliable, need not simultaneously that the configuration instrument can conveniently operate, guarantees the quality of use of this device.
Referring to fig. 1 to 2, the locking mechanism further includes a safety lock block 7 and a poke rod 8. The poke rod 8 is arranged at the lower part of the handle lever 4, the safety locking block 7 is arranged on the handle lever 4 and clamped on the poke rod 8, and the connecting lever 5 is provided with a locking lug 9 which is matched with the poke rod 8 for clamping along with the downward pressing of the handle lever 4.
In practice, the safety lock 7 is provided with at least one locking hole 71. The handle lever 4 is provided with a mounting through hole 41, and the tap lever 8 is provided with a positioning hole 81 corresponding to the mounting through hole 41. Furthermore, the mounting through-hole 41 is provided with a plurality of locking protrusions 10 arranged longitudinally. The safety locking block 7 is sequentially inserted into the mounting through hole 41 and the positioning hole 81, and meanwhile, the locking convex block 10 is matched with the locking hole 71 for mounting.
Through the structure of locking of cooperation safety locking piece 7, guarantee that locking mechanism is in the unable action of dead point position, dual fail-safe further strengthens the locking effect, avoids the car to pull and connects square mouthful 1 and linking bridge 2 and take off at the in-process pine of traveling, promotes fail safe nature, improves the service quality of this device.
And the automobile traction connection square opening 1 is provided with a safety bolt 12 which is matched with the connecting bracket 2 for insertion.
Namely, when the locking mechanism is in the dead point position, the safety lock block 7 is locked on the poke rod 8, the locking mechanism is ensured to be in the dead point position and cannot move, the safety bolt 12 is inserted, the safety factor is further improved, and the structural stability of the locking device for preventing the automobile from loosening is enhanced.
When the automobile traction connection square opening is opened, the safety locking block 7 can be moved upwards firstly, the safety locking block 7 is separated from the locking hole 71, unlocking is achieved, the poking rod is poked upwards, the locking mechanism leaves the dead point position, the safety bolt 12 is poked out, the handle lever 4 is pushed upwards, the clamping lever 3 is linked to be opened, the locking buckle 6 is separated from the buckle connection position 11, and therefore the automobile traction connection square opening 1 is separated from the connection support 2. The locking device can be conveniently operated without a configuration tool, is flexible to use, and ensures the use effect of the locking device for preventing the automobile from loosening during traction.
In addition, a return spring 13 for returning the locking mechanism to an open state is provided on the connecting bracket 2, one end of the return spring 13 is fastened to the clamp lever 3, and the other end of the return spring 13 is fastened to the connecting bracket 2.
Under the action of the return spring 13, the handle lever 4 and the clamping lever 3 can be kept in an opening state during opening, so that the operation of the automobile traction anti-loosening locking device is facilitated.
Above-mentioned embodiment only does the utility model discloses the better embodiment of effect, all with the utility model discloses a car pulls the locking device that takes off the structure the same or equal, all is in the utility model discloses a within range.
Claims (7)
1. The utility model provides a locking device that takes off is pull to car, draws including the car and connects square mouthful (1) and linking bridge (2), and the one end of linking bridge (2) is connected on car draws and connects square mouthful (1), its characterized in that: the connecting support (2) is provided with a clamping lever (3), a handle lever (4) and a connecting lever (5), the positioning end of the clamping lever (3) is hinged on the connecting support (2), the connecting end of the clamping lever (3) is hinged on the connecting end of the handle lever (4), the clamping lever (3) is provided with a locking buckle (6), the positioning end of the handle lever (4) is hinged with the swinging end of the connecting lever (5), the positioning end of the connecting lever (5) is hinged on the connecting support (2), the handle lever (4) is linked with the clamping lever (3) while downwards pressing so as to lock the locking buckle (6) at the upper end of the automobile traction connecting square opening (1) and connect the hinged part of the clamping lever (3) and the handle lever (4), the hinged part of the handle lever (4) and the connecting lever (5) and the hinged part of the connecting lever (5) and the connecting support (2) in the same straight line, so that the clamping lever (3), the handle lever (4) and the connecting lever (5) form a locking mechanism for locking the automobile traction connecting square opening (1) on the connecting bracket (2).
2. The traction anti-release locking device for automobile as claimed in claim 1, wherein: the locking mechanism further comprises a safety locking block (7) and a poking rod (8), the poking rod (8) is installed on the lower portion of the handle lever (4), the safety locking block (7) is installed on the handle lever (4) and clamped on the poking rod (8), and the connecting lever (5) is provided with a locking convex block (9) which is pressed down along with the handle lever (4) and matched with the poking rod (8) for clamping.
3. The traction anti-release locking device for automobile as claimed in claim 2, wherein: the locking lug (9) is integrally formed on the top end of the connecting lever (5).
4. The traction anti-release locking device for automobile as claimed in claim 2, wherein: the safety lock piece (7) is provided with at least one locking hole (71), the handle lever (4) is provided with an installation through hole (41), the poke rod (8) is provided with a positioning hole (81) corresponding to the installation through hole (41), the installation through hole (41) is provided with a plurality of longitudinally arranged locking convex blocks (10), and the safety lock piece (7) is sequentially inserted into the installation through hole (41) and the positioning hole (81) while the locking convex blocks (10) are matched with the locking hole (71).
5. The traction anti-release locking device for automobile as claimed in claim 1, wherein: the automobile traction connection square opening (1) is provided with a buckling position (11) matched with the locking buckle (6) in a buckling mode.
6. The traction anti-release locking device for automobile as claimed in claim 1, wherein: the automobile traction connection square opening (1) is provided with a safety bolt (12) matched with the connecting support (2) for plug-in mounting.
7. The traction anti-release locking device for automobile as claimed in claim 1, wherein: the connecting support (2) is provided with a return spring (13) which enables the locking mechanism to reset and keeps the opening state, one end of the return spring (13) is buckled on the clamping lever (3), and the other end of the return spring (13) is buckled on the connecting support (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741669.0U CN210760113U (en) | 2019-10-16 | 2019-10-16 | Locking device that takes off is pull to car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921741669.0U CN210760113U (en) | 2019-10-16 | 2019-10-16 | Locking device that takes off is pull to car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210760113U true CN210760113U (en) | 2020-06-16 |
Family
ID=71032556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921741669.0U Active CN210760113U (en) | 2019-10-16 | 2019-10-16 | Locking device that takes off is pull to car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210760113U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641235A (en) * | 2019-10-16 | 2020-01-03 | 佛山市劲雄机械有限公司 | Locking device that takes off is pull to car |
-
2019
- 2019-10-16 CN CN201921741669.0U patent/CN210760113U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641235A (en) * | 2019-10-16 | 2020-01-03 | 佛山市劲雄机械有限公司 | Locking device that takes off is pull to car |
| CN110641235B (en) * | 2019-10-16 | 2024-07-09 | 佛山市劲雄机械有限公司 | Anti-loosening locking device for automobile traction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110641235A (en) | Locking device that takes off is pull to car | |
| US6467791B1 (en) | Under-bed fifth wheel mounting system | |
| CN108798344B (en) | Opening and closing mechanism and railway vehicle | |
| NO20011444L (en) | Clutch for vehicles | |
| CN210760113U (en) | Locking device that takes off is pull to car | |
| US6045147A (en) | Lift unit for weight distributing trailer hitch | |
| CN110952844B (en) | Latch and vehicle using same | |
| CN212743675U (en) | Locking device of open wagon lower side door | |
| CN210592193U (en) | Traction seat of transportation semitrailer | |
| CN213168090U (en) | Folding coupler fixing device and folding coupler | |
| CN213973673U (en) | Ground lock mechanism | |
| CN211592555U (en) | Locking mechanism of support part and piggyback car | |
| CN114604179A (en) | Quick clamp for car roof luggage case | |
| CN207683291U (en) | A kind of sliding door of motor vehicle with unlatching limit function | |
| JPH0425903Y2 (en) | ||
| CN202541659U (en) | Three-panel front spring type fastening device for freight car of van-type truck | |
| CN207997753U (en) | Vehicle back door | |
| CN201068692Y (en) | Locking retaining device for autocar slide door | |
| CN218477442U (en) | Interior unblock car seat front-row slide rail | |
| CN204900430U (en) | Dark hole installation bolted connection device | |
| KR100892489B1 (en) | Assembly of door handle for a vehicle | |
| CN203334799U (en) | Transmission structure of automobile middle sliding door external-opening door lock | |
| JP3738190B2 (en) | Vehicle storage | |
| CN213199459U (en) | Unlocking control device | |
| CN217374344U (en) | Quick clamp for car roof luggage case |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An anti loosening locking device for automobile traction Effective date of registration: 20210802 Granted publication date: 20200616 Pledgee: Bank of China Limited by Share Ltd. Foshan branch Pledgor: FOSHAN KINGHORN MACHINERY Co.,Ltd. Registration number: Y2021440000249 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |