CN208376450U - A kind of safe locking device for trailer - Google Patents
A kind of safe locking device for trailer Download PDFInfo
- Publication number
- CN208376450U CN208376450U CN201821030546.1U CN201821030546U CN208376450U CN 208376450 U CN208376450 U CN 208376450U CN 201821030546 U CN201821030546 U CN 201821030546U CN 208376450 U CN208376450 U CN 208376450U
- Authority
- CN
- China
- Prior art keywords
- connector
- buckle
- trolley
- locking device
- trailer
- 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 - Fee Related
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- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The utility model discloses a kind of safe locking devices for trailer, for connecting the front tail portion of trolley and the side arm of rear trolley, including buckle, connector, positioning component and draft arm, the buckle is non-closed annulus, its upper end that described connector one end can be spindle rotationally arranged in along its axial direction, and the half of the buckle is extend out to outside described connector one end, the part button extending out to outside described connector one end that buckles is hung on the side arm of rear trolley, when the upper end for being buckled in described connector one end turns to notch thereon and is located at the top of the connector, the upper end for snapping through the positioning component and the connector is fixed, one end of the draft arm is connect with the other end of the connector, its other end is connect with the tail portion of front trolley.The utility model provides a kind of for connecting the safe locking device of front and back trolley.
Description
Technical field
The utility model relates to field of automobile parts and components.More specifically, the utility model relates to a kind of for trailer
Safe locking device.
Background technique
In order to improve conevying efficiency in highway transportation, the usually trolley by more loadings is linked together, with a machine
Motor-car traction transport is equipped with card pressure mainly using hook cooperation link for the connection structure between trolley at present on hook
Block is withheld in link and is fixed in hook by card briquetting, although may be implemented to link, is easy in use
Now fall off, so that safety in utilization is influenced, and since the length of its link and hook is all fixed structure, so actually making
Used time is also easy to influence the normal operation of vehicle, so applicability and practicability are restricted.
Utility model content
The purpose of the utility model is to provide a kind of for connecting the safe locking device of front and back trolley.
The technical solution that the utility model solves above-mentioned technical problem is as follows: a kind of safe locking device for trailer,
It is described for connecting the front tail portion of trolley and the side arm of rear trolley, including buckle, connector, positioning component and draft arm
Buckle is non-closed annulus, can be spindle rotationally arranged in the upper end of described connector one end along its axial direction, and the buckle
Half is extend out to outside described connector one end, and the part button extending out to outside described connector one end that buckles hangs over rear trolley
Side arm on, the upper end for being buckled in described connector one end turns to the top that notch thereon is located at the connector
When, the upper end for snapping through the positioning component and the connector is fixed, one end of the draft arm and the company
The other end of fitting connects, and the other end is connect with the tail portion of front trolley.
Preferably, in a kind of safe locking device for trailer, the upper end of described connector one end is equipped with
The mounting groove of semicircular arc corresponding with the buckle, the buckle are spindle rotationally arranged in the mounting groove along its axial direction.
Preferably, in a kind of safe locking device for trailer, the both-side opening of the mounting groove is punished
Not She You the first threaded hole, on the buckle with one-to-one two the first tapped through holes of first threaded hole, the card
It detains in rotation process, first tapped through hole is can turn to be overlapped with corresponding first threaded hole, and in the two weight
When conjunction, the notch on the buckle is located at the upper end of the connector, and first tapped through hole and with corresponding institute
The first threaded hole is stated by being bolted with the two bolted first, the buckle can be fixed by tightening first bolt
In the upper end of described connector one end, two first bolts constitute the positioning component.
Preferably, in a kind of safe locking device for trailer, the positioning component further includes two fixed
Position plate, when first tapped through hole is overlapped with corresponding first threaded hole, two positioning plates cover described respectively
The two sides of the notch of buckle, and be bolted with the connector.
The safe locking device structure of the utility model is simple, can be quickly by the tail portion of front trolley and rear trolley
Side arm links together.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the safe locking device for trailer described in the utility model；
Fig. 2 is a kind of structural schematic diagram of the safe locking device for trailer described in the utility model；
Fig. 3 is the structural schematic diagram of connector described in the utility model.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", " preceding ",
The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on
Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and is not instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
The limitation of the utility model.
Fig. 1-Fig. 3 is a kind of safe locking device for trailer provided by the embodiment of the utility model, before connecting
The tail portion of square trolley and the side arm of rear trolley, including buckle 1, connector 2, positioning component and draft arm 3, the buckle 1 are
Non-closed annulus can be spindle rotationally arranged in the upper end of described 2 one end of connector, and the half of the buckle 1 along its axial direction
It extend out to outside described 2 one end of connector, the part button that the buckle 1 is extend out to outside described 2 one end of connector hangs over rear trolley
Side arm on, the buckle 1 turns to notch thereon in the upper end of described 2 one end of connector and is located at the upper of the connector 2
Fang Shi, the buckle 1 are fixed by the upper end of the positioning component and the connector 2, one end of the draft arm 3 and
The other end of the connector 2 connects, and the other end is connect with the tail portion of front trolley.
In above-mentioned technical proposal, in order to which the side arm of the tail portion of front trolley and rear trolley is connected by safe locking device
It connects, safe locking device includes buckle 1, connector 2, positioning component and draft arm 3, and 1 button of buckle hangs over the side arm of rear trolley
On, the other end of draft arm 3 is connect with the tail portion of front trolley, then buckle 1 is spindle rotationally arranged in the upper end one of connector 2
One end of side, draft arm 3 is connect with the other side of connector 2, and buckle 1 and draft arm 3 are connected respectively at connector 2
It realizes and the front tail portion of trolley and the side arm of rear trolley is connected by safe locking device；Specifically, buckle 1 is non-closed circle
Ring can be spindle rotationally arranged in the upper end side of connector 2 along its axial direction, and the half of buckle 1 extend out to the upper of connector 2
It holds outside side, in this way in the side arm of connection buckle 1 and rear trolley, the notch for buckling 1 can be turned into the upper of connector 2
It holds outside side, after the side arm that the indentation, there of bayonet is passed through to rear trolley, then the notch for buckling 1 is turned into the upper of connector 2
End, and be fixedly connected with it with connector 2 by connection component, it can will thus buckle the square trolley of 1 close hanging buckle
On side arm.
In a kind of safe locking device for trailer, the upper end of described 2 one end of connector is equipped with and the card
The mounting groove 4 of 1 corresponding semicircular arc is detained, the buckle 1 is spindle rotationally arranged in the mounting groove 4 along its axial direction.
In another technical solution, in order to enable rotation of the buckle 1 on connector 2 is more stable, in connector 2
Upper end side is equipped with can and be merely able to axially can be rotated along it with the mounting groove 4 of 1 corresponding semicircular arc of buckle, buckle 1
Setting in mounting groove 4, thus can to buckle 1 sliding trace be defined, make its rotation on connector 2 more
Add stabilization.
In a kind of safe locking device for trailer, is respectively equipped at the both-side opening of the mounting groove 4
One threaded hole 5, it is described to buckle with first threaded hole, 5 one-to-one two the first tapped through holes 6 on 1, it is described to buckle 1
In rotation process, first tapped through hole 6 is can turn to be overlapped with corresponding first threaded hole 5, and in the two weight
When conjunction, the notch on the buckle 1 is located at the upper end of the connector 2, and first tapped through hole 6 and with it is corresponding
For first threaded hole 5 by connecting with bolted first bolt 7 of the two, tightening first bolt can be by the buckle
1 is fixed on the upper end of described 2 one end of connector, and two first bolts constitute the positioning component.
In another technical solution, by being respectively equipped with one first threaded hole 5 at the both-side opening of mounting groove 4, then
Setting and one-to-one two the first tapped through holes 6 of the first threaded hole 5, buckle in 1 rotation process, when first on buckle 1
When tapped through hole 6 can be overlapped with corresponding first threaded hole 5, the notch on buckle 1 is located at the upper end of connector 2, then
Matched first bolt is installed in the first tapped through hole 6 and in corresponding first threaded hole 5, tightening the first bolt can be by card
Button 1 is fixed on the upper end side of connector 2, and two the first bolts form the positioning component.
In a kind of safe locking device for trailer, the positioning component further includes two positioning plates 8, described
When first tapped through hole 6 is overlapped with corresponding first threaded hole 5, two positioning plates 8 cover the buckle 1 respectively
Notch two sides, and be bolted with the connector 2.
In another technical solution, positioning component further includes two positioning plates 8, and the notch on buckle 1 is located at connector 2
Upper end when, at two sides that the notch of buckle 1 is covered by two positioning plates 8, and be bolted with connector 2,
So that buckle 1 be fixed on it is more stable when 2 upper end of connector；It is inwardly protruded arc-shaped that the side of the connector 2 is provided with one
Notch has certain buffering when the side arm of connector 2 and rear trolley can be made to touch.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization, it can be applied to various fields suitable for the present invention completely, for those skilled in the art,
Other modifications may be easily implemented, therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and embodiment shown and described herein with novel.
Claims (4)
1. a kind of safe locking device for trailer, special for connecting the front tail portion of trolley and the side arm of rear trolley
Sign is, including buckle (1), connector (2), positioning component and draft arm (3), and the buckle (1) is non-closed annulus, can
The upper end of the connector (2) one end is spindle rotationally arranged in along its axial direction, and the half of the buckle (1) extend out to the company
Outside fitting (2) one end, the part button that the buckle (1) extend out to outside the connector (2) one end hangs over the side arm of rear trolley
On, the buckle (1) turns to notch thereon in the upper end of the connector (2) one end and is located at the upper of the connector (2)
Fang Shi, the buckle (1) are fixed by the upper end of the positioning component and the connector (2), and the one of the draft arm (3)
End is connect with the other end of the connector (2), and the other end is connect with the tail portion of front trolley.
2. a kind of safe locking device for trailer as described in claim 1, which is characterized in that the connector (2) one
The upper end at end is equipped with the mounting groove (4) of semicircular arc corresponding with the buckle (1), and the buckle (1) axially can be rotated along it
Setting in the mounting groove (4).
3. a kind of safe locking device for trailer as claimed in claim 2, which is characterized in that the mounting groove (4)
Be respectively equipped at both-side opening the first threaded hole (5), on the buckle (1) with first threaded hole (5) one-to-one two
A first tapped through hole (6), in described buckle (1) rotation process, first tapped through hole (6) can turn to it is corresponding
First threaded hole (5) is overlapped, and when the two is overlapped, the notch on the buckle (1) is located at the upper of the connector (2)
End top, and first tapped through hole (6) and with corresponding first threaded hole (5) by with the two bolted the
One bolt (7) connection, the buckle (1) can be fixed on the upper end of the connector (2) one end by tightening first bolt, and two
A first bolt constitutes the positioning component.
4. a kind of safe locking device for trailer as claimed in claim 3, which is characterized in that the positioning component also wraps
Two positioning plates (8) are included, when first tapped through hole (6) is overlapped with corresponding first threaded hole (5), two described fixed
Position plate (8) covers the two sides of the notch of the buckle (1) respectively, and is bolted with the connector (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030546.1U CN208376450U (en) | 2018-06-29 | 2018-06-29 | A kind of safe locking device for trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030546.1U CN208376450U (en) | 2018-06-29 | 2018-06-29 | A kind of safe locking device for trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208376450U true CN208376450U (en) | 2019-01-15 |
Family
ID=64966171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821030546.1U Expired - Fee Related CN208376450U (en) | 2018-06-29 | 2018-06-29 | A kind of safe locking device for trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208376450U (en) |
-
2018
- 2018-06-29 CN CN201821030546.1U patent/CN208376450U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20190115 Termination date: 20210629 |