CN219544606U - Trailer lock - Google Patents

Abstract

The utility model belongs to the field of trailer locks, in particular to a trailer lock, which comprises a trailer lock body; a fixed plate is arranged on one side of the trailer lock body; the side wall of the side, close to one side, of the trailer lock body and the fixed plate is fixedly connected with a plurality of groups of hub fixed rods; the side wall of one side of the trailer lock body, which is close to the hub fixing rod, is provided with an adjusting groove; the inner side of the adjusting groove is connected with a first fixing column in a sliding manner; the side wall of the first fixed column, which is far away from the trailer lock body, is fixedly connected with the side wall of the fixed plate, which is close to the hub fixed rod; when the device works, the joint rotating shaft and the first storage plate shrink towards the inside of the second storage groove due to the elastic material of the connecting plate, so that the condition that the joint rotating shaft is damaged due to the fact that the first fixing column extrudes the joint rotating shaft is reduced; the vehicle with poor fixing effect of the whole device on part can finally drop on the ground through the movement of the wheels, so that the damage of the vehicle can occur; the whole device improves the fixing effect on hubs with different sizes.

Description

Trailer lock

Technical Field

The utility model relates to the field of trailer locks, in particular to a trailer lock.

Background

The trailer lock is a fixing device used on the trailer, and a worker passes through the inside of a threaded hole in a vehicle hub by using a fixing device on the trailer lock, so that a vehicle to be consigned is fixed on the top of the trailer, and the condition that the vehicle finally falls on the ground through wheel movement on the trailer is reduced.

In the prior art, a trailer lock is often composed of a hub fixing device and a trailer lock body, and a worker passes through the hub fixing device inside a threaded hole in a vehicle hub, so that the fixing effect is achieved.

In operation, the conventional trailer locks often have different sizes of hub widths of vehicles carried on trailers, and the unified trailer locks have different fixing effects on fixing different sizes of hubs on different vehicles, and vehicles with poor fixing effects can finally fall on the ground through wheel movement, so that the vehicles are damaged; therefore, a trailer lock is proposed against the above-mentioned problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the problem that vehicles consigned on trailers often have wheel hub widths of different sizes, and unified trailer locks have different fixing effects on fixing the wheel hubs of different sizes on different vehicles, and vehicles with poor fixing effects can finally drop on the ground through wheel movement, so that the vehicles are damaged is solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a trailer lock, which comprises a trailer lock body; a fixed plate is arranged on one side of the trailer lock body; the side wall of the side, close to one side, of the trailer lock body and the fixed plate is fixedly connected with a plurality of groups of hub fixed rods; the side wall of one side of the trailer lock body, which is close to the hub fixing rod, is provided with an adjusting groove; the inner side of the adjusting groove is connected with a first fixing column in a sliding manner; the side wall of the first fixed column, which is far away from the trailer lock body, is fixedly connected with the side wall of the fixed plate, which is close to the hub fixed rod; a plurality of groups of first storage grooves are formed in the bottom of the fixed plate; the inner side wall of the first storage groove is rotatably connected with a movable column; a plurality of groups of second storage grooves are formed in the side wall of one side of the inner side of the adjusting groove; a connecting plate is fixedly connected to the side wall of one side, far away from the hub fixing rod, of the inner side of the second storage groove; a first object placing plate is fixedly connected to the side wall of one side, close to the first fixing column, of the connecting plate; the inner side wall of the first storage plate is rotationally connected with a laminating rotating shaft; the condition that the first fixing column extrudes the attaching rotating shaft so as to damage the attaching rotating shaft is reduced; the vehicle with poor fixing effect of the whole device on part can finally drop on the ground through the movement of the wheels, so that the damage of the vehicle can occur; the whole device improves the fixing effect on hubs with different sizes.

Preferably, the side wall of the trailer lock body, which is close to one side of the hub fixed rod, is rotationally connected with a fixed rotating shaft; a plurality of groups of elastic support plates are fixedly connected to the side wall of one side of the trailer lock body, which is close to the hub fixing rod; the outer side wall of the fixed rotating shaft is fixedly connected with a supporting and bonding plate; the side wall of one side of the supporting and pasting plate is fixedly connected with a plurality of groups of elastic supporting plates; the trailer lock body and the fixed plate are in a horizontal state; therefore, the situation that the inside of the threaded hole of the hub fixing rod on the vehicle hub is not in a horizontal state, and the inside of the threaded hole on the vehicle hub is worn is reduced.

Preferably, a second object placing plate is arranged on the side wall of one side of the trailer lock body; a plurality of groups of second fixing columns are fixedly connected to the side wall of the second storage plate, which is close to one side of the trailer lock body; the side wall of the trailer lock body, which is close to one side of the second storage plate, and the side wall of the first fixed column, which is close to one side of the second storage plate, are provided with a plurality of groups of fixed grooves; the second fixing column slides in the fixing groove; the condition that the first fixed column breaks away from the inner side of the adjusting groove, the fixed plate drives the hub fixed rod to break away from the hub, and the wheel breaks away from the trailer is caused.

Preferably, one end of the support bonding plate, which is close to the first fixed column, is fixedly connected with a contact plate; the side wall of the contact plate, which is close to the first fixed column, is attached to the side wall of the first fixed column, which is close to the fixed rotating shaft; the situation that the inside of a threaded hole on the vehicle hub of the hub fixing rod is not in a horizontal state and the inside of the threaded hole on the vehicle hub is worn is reduced.

Preferably, a plurality of groups of friction soft plates are fixedly connected to the side wall of the contact plate, which is close to one side of the first fixed column; the side wall of one side of the friction soft board is mutually attached to the side wall of one side, close to the friction soft board, of the first fixing column; the trailer lock body and the fixed plate are in a horizontal state through the first fixed column; therefore, the situation that the inside of the threaded hole of the hub fixing rod on the vehicle hub is not in a horizontal state, and the inside of the threaded hole on the vehicle hub is worn is reduced.

Preferably, the outer side wall of the fixed rotating shaft is fixedly connected with a limiting plate; the side wall of one side of the limiting plate is mutually attached to the side wall of one side of the trailer lock body; the limiting plate limits the rotation range of the fixed rotating shaft, so that the condition that the support attaching plate rotates through the fixed rotating shaft and the support attaching plate does not support the first fixed column is reduced.

The utility model has the advantages that:

1. according to the utility model, the trailer lock body, the fixed plate, the hub fixed rod, the adjusting groove, the first fixed column, the first storage groove, the movable column, the second storage groove, the connecting plate, the first storage plate and the attaching rotating shaft are utilized, and the attaching rotating shaft and the first storage plate shrink towards the inside of the second storage groove due to the elastic material of the connecting plate, so that the situation that the attaching rotating shaft is extruded by the first fixed column, and the attaching rotating shaft is damaged is reduced; the vehicle with poor fixing effect of the whole device on part can finally drop on the ground through the movement of the wheels, so that the damage of the vehicle can occur; the whole device improves the fixing effect on hubs with different sizes.

2. According to the utility model, the first fixed column is in a parallel state by utilizing the fixed rotating shaft, the elastic supporting plate and the supporting adhesion plate; the whole device enables the trailer lock body and the fixed plate to be in a horizontal state; therefore, the situation that the inside of the threaded hole of the hub fixing rod on the vehicle hub is not in a horizontal state, and the inside of the threaded hole on the vehicle hub is worn is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a trailer lock body according to a first embodiment;

FIG. 2 is a schematic view of a structure of an elastic support plate according to the first embodiment;

fig. 3 is a schematic structural diagram of a fixing post according to the first embodiment;

FIG. 4 is a schematic diagram of a movable column according to the first embodiment;

FIG. 5 is a schematic view of a structure of a fixing slot according to the first embodiment;

FIG. 6 is a schematic diagram of a fitting shaft structure according to the first embodiment;

fig. 7 is a schematic structural diagram of the second embodiment.

In the figure: 1. a trailer lock body; 11. a fixing plate; 12. a hub fixing rod; 13. an adjustment tank; 14. a first fixing column; 15. a first storage tank; 16. a movable column; 17. a second storage tank; 18. a connecting plate; 19. a first storage plate; 110. attaching the rotating shaft; 2. fixing the rotating shaft; 21. an elastic support plate; 22. supporting the bonding plate; 3. a second storage plate; 31. a second fixing column; 32. a fixing groove; 4. a contact plate; 5. friction soft board; 6. a limiting plate; 7. a convenient handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, a trailer lock includes a trailer lock body 1; a fixed plate 11 is arranged on one side of the trailer lock body 1; a plurality of groups of hub fixing rods 12 are fixedly connected to the side walls of the side, close to each other, of the trailer lock body 1 and the fixing plate 11; an adjusting groove 13 is formed in the side wall of one side, close to the hub fixing rod 12, of the trailer lock body 1; the inner side of the adjusting groove 13 is connected with a first fixing column 14 in a sliding manner; the side wall of the side, far away from the trailer lock body 1, of the first fixing column 14 is fixedly connected with the side wall of the side, close to the hub fixing rod 12, of the fixing plate 11; a plurality of groups of first storage grooves 15 are formed in the bottom of the fixed plate 11; the inner side wall of the first storage groove 15 is rotatably connected with a movable column 16; a plurality of groups of second storage grooves 17 are formed in the side wall of one side of the inner side of the adjusting groove 13; a connecting plate 18 is fixedly connected to the side wall of the inner side of the second storage groove 17, which is far away from the wheel hub fixing rod 12; a first object placing plate 19 is fixedly connected to the side wall of the connecting plate 18, which is close to one side of the first fixed column 14; the inner side wall of the first storage plate 19 is rotatably connected with a laminating rotating shaft 110; when the trailer lock is in operation, the connecting plate 18 is made of elastic materials, a worker operates the fixing plate 11 to move through the movable column 16, so that after the distance between the trailer lock body 1 and the fixing plate 11 is adjusted, the worker operates the plurality of groups of hub fixing rods 12 to enter the threaded holes on the hub of the vehicle to fix, the first fixing columns 14 move through the adjusting grooves 13, the attaching rotating shafts 110 move along with the first fixing columns 14, and the first fixing columns 14 move more stably inside the adjusting grooves 13; when the fixed plate 11 is moved away from the first fixed column 14 by the wheels, the attaching rotating shaft 110 and the first object placing plate 19 shrink towards the inside of the second object placing groove 17 due to the elastic material of the connecting plate 18, so that the situation that the attaching rotating shaft 110 is extruded by the first fixed column 14 and damaged due to the fact that the attaching rotating shaft 110 is extruded is reduced; the vehicle with poor fixing effect of the whole device on part can finally drop on the ground through the movement of the wheels, so that the damage of the vehicle can occur; the whole device improves the fixing effect on hubs with different sizes.

The embodiment of the utility model further provides that the side wall of the trailer lock body 1, which is close to one side of the hub fixed rod 12, is rotationally connected with a fixed rotating shaft 2; a plurality of groups of elastic support plates 21 are fixedly connected to the side wall of one side of the trailer lock body 1, which is close to the hub fixing rod 12; the outer side wall of the fixed rotating shaft 2 is fixedly connected with a supporting bonding plate 22; the side wall of one side of the supporting and attaching plate 22 is fixedly connected with a plurality of groups of elastic supporting plates 21; when the device works, the elastic support plate 21 is made of elastic materials, the support attaching plate 22 rotates through the fixed rotating shaft 2, and the elastic support plate 21 supports the support attaching plate 22 due to the elastic materials of the elastic support plate 21, so that one end of the support attaching plate 22 far away from the fixed rotating shaft 2 is attached to the side wall of the first fixed column 14 close to the fixed rotating shaft 2, and the first fixed column 14 is in a parallel state; the whole device enables the trailer lock body 1 and the fixed plate 11 to be in a horizontal state; thereby reducing the occurrence of the hub fixing lever 12 not being in a horizontal state inside the threaded hole on the vehicle hub, resulting in the inside of the threaded hole on the vehicle hub being worn out.

The embodiment of the utility model further provides that a second object placing plate 3 is arranged on the side wall of one side of the trailer lock body 1; a plurality of groups of second fixing columns 31 are fixedly connected to the side wall of the second storage plate 3, which is close to one side of the trailer lock body 1; a plurality of groups of fixing grooves 32 are formed in the side wall of the trailer lock body 1, which is close to the second storage plate 3, and the side wall of the first fixing column 14, which is close to the second storage plate 3; the second fixing column 31 slides in the fixing groove 32; when the trailer lock is in operation, after the first fixing column 14 moves in the adjusting groove 13, a worker operates the second object placing plate 3 to move towards the trailer lock body 1, and the second object placing plate 3 drives the second fixing column 31 to enter the inner sides of a plurality of groups of fixing grooves 32 formed in one side of the first fixing column 14, so that the effect of fixing the first fixing column 14 on the inner sides of the adjusting groove 13 is achieved; the first fixing column 14 is lowered to be separated from the inner side of the adjusting groove 13, so that the fixing plate 11 drives the hub fixing rod 12 to be separated from the hub, and the wheels are separated from the trailer.

The embodiment of the utility model further provides that one end of the support bonding plate 22 close to the first fixed column 14 is fixedly connected with the contact plate 4; the side wall of the contact plate 4, which is close to the first fixed column 14, is attached to the side wall of the first fixed column 14, which is close to the fixed rotating shaft 2; in operation, the contact plate 4 lifts the support surface supporting the bonding plate 22 and the side wall of the first fixing column 14; the whole device enables the trailer lock body 1 and the fixed plate 11 to be in a horizontal state through the first fixed column 14; thereby reducing the occurrence of the hub fixing lever 12 not being in a horizontal state inside the threaded hole on the vehicle hub, resulting in the inside of the threaded hole on the vehicle hub being worn out.

The embodiment of the utility model further provides that a plurality of groups of friction soft plates 5 are fixedly connected on the side wall of the contact plate 4 close to the first fixed column 14; the side wall of one side of the friction soft board 5 is mutually attached to the side wall of one side of the first fixing column 14, which is close to the friction soft board 5; when the friction soft board 5 works, the friction soft board 5 is made of elastic materials, and the friction soft board 5 is mutually attached to the side wall of one side of the first fixed column 14 along with the contact board 4; the friction soft board 5 and the side wall of one side of the first fixed column 14 are rubbed with each other, and the whole device enables the trailer lock body 1 and the fixed board 11 to be in a horizontal state through the first fixed column 14; thereby reducing the occurrence of the hub fixing lever 12 not being in a horizontal state inside the threaded hole on the vehicle hub, resulting in the inside of the threaded hole on the vehicle hub being worn out.

The embodiment of the utility model further provides that the outer side wall of the fixed rotating shaft 2 is fixedly connected with a limiting plate 6; the side wall of one side of the limiting plate 6 is mutually attached to the side wall of one side of the trailer lock body 1; during operation, the limiting plate 6 limits the rotation range of the fixed rotating shaft 2, so that the condition that the support attaching plate 22 rotates through the fixed rotating shaft 2 and the support attaching plate 22 does not support the first fixed column 14 any more is reduced.

Example two

Referring to fig. 7, in a first comparative example, as another embodiment of the present utility model, a convenient handle 7 is fixedly connected to a side wall of the second storage plate 3, which is far away from the trailer lock body 1; during operation, the second storage plate 3 can be operated by the staff to move through the handle 7, so that convenience of the staff in operating the second storage plate 3 is improved.

When the trailer lock is in operation, the connecting plate 18 is made of elastic materials, a worker operates the fixing plate 11 to move through the movable column 16, so that after the distance between the trailer lock body 1 and the fixing plate 11 is adjusted, the worker operates the plurality of groups of hub fixing rods 12 to enter threaded holes on the hubs of vehicles to fix, the first fixing columns 14 move through the adjusting grooves 13, the attaching rotating shafts 110 move along with the first fixing columns 14, and the first fixing columns 14 move more stably inside the adjusting grooves 13; when the fixed plate 11 is moved away from the first fixed column 14 by the wheels, the attaching rotating shaft 110 and the first object placing plate 19 shrink towards the inside of the second object placing groove 17 due to the elastic material of the connecting plate 18, so that the situation that the attaching rotating shaft 110 is extruded by the first fixed column 14 and damaged due to the fact that the attaching rotating shaft 110 is extruded is reduced; the vehicle with poor fixing effect of the whole device on part can finally drop on the ground through the movement of the wheels, so that the damage of the vehicle can occur; the whole device improves the fixing effect on hubs with different sizes; when the device works, the elastic support plate 21 is made of elastic materials, the support attaching plate 22 rotates through the fixed rotating shaft 2, and the elastic support plate 21 supports the support attaching plate 22 due to the elastic materials of the elastic support plate 21, so that one end of the support attaching plate 22 far away from the fixed rotating shaft 2 is attached to the side wall of the first fixed column 14 close to the fixed rotating shaft 2, and the first fixed column 14 is in a parallel state; the whole device enables the trailer lock body 1 and the fixed plate 11 to be in a horizontal state; thereby reducing the occurrence of the situation that the inside of the threaded hole on the vehicle hub is worn out due to the fact that the inside of the threaded hole on the vehicle hub of the hub fixing rod 12 is not in a horizontal state; when the trailer lock is in operation, after the first fixing column 14 moves in the adjusting groove 13, a worker operates the second object placing plate 3 to move towards the trailer lock body 1, and the second object placing plate 3 drives the second fixing column 31 to enter the inner sides of a plurality of groups of fixing grooves 32 formed in one side of the first fixing column 14, so that the effect of fixing the first fixing column 14 on the inner sides of the adjusting groove 13 is achieved; the condition that the first fixed column 14 is separated from the inner side of the adjusting groove 13, so that the fixed plate 11 drives the hub fixed rod 12 to be separated from the hub, and the wheel is separated from the trailer is caused; in operation, the contact plate 4 lifts the support surface supporting the bonding plate 22 and the side wall of the first fixing column 14; the whole device enables the trailer lock body 1 and the fixed plate 11 to be in a horizontal state through the first fixed column 14; thereby reducing the occurrence of the situation that the inside of the threaded hole on the vehicle hub is worn out due to the fact that the inside of the threaded hole on the vehicle hub of the hub fixing rod 12 is not in a horizontal state; when the friction soft board 5 works, the friction soft board 5 is made of elastic materials, and the friction soft board 5 is mutually attached to the side wall of one side of the first fixed column 14 along with the contact board 4; the friction soft board 5 and the side wall of one side of the first fixed column 14 are rubbed with each other, and the whole device enables the trailer lock body 1 and the fixed board 11 to be in a horizontal state through the first fixed column 14; thereby reducing the occurrence of the situation that the inside of the threaded hole on the vehicle hub is worn out due to the fact that the inside of the threaded hole on the vehicle hub of the hub fixing rod 12 is not in a horizontal state; during operation, the limiting plate 6 limits the rotation range of the fixed rotating shaft 2, so that the condition that the support attaching plate 22 rotates through the fixed rotating shaft 2 and the support attaching plate 22 does not support the first fixed column 14 any more is reduced.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. A trailer lock comprising a trailer lock body (1); a fixed plate (11) is arranged on one side of the trailer lock body (1); a plurality of groups of hub fixing rods (12) are fixedly connected to the side walls of the side, close to each other, of the trailer lock body (1) and the fixing plate (11); the method is characterized in that: an adjusting groove (13) is formed in the side wall, close to the hub fixing rod (12), of the trailer lock body (1); the inner side of the adjusting groove (13) is connected with a first fixing column (14) in a sliding manner; the side wall of the first fixing column (14) far away from the trailer lock body (1) is fixedly connected with the side wall of the fixing plate (11) near the hub fixing rod (12); a plurality of groups of first storage grooves (15) are formed in the bottom of the fixed plate (11); the inner side wall of the first storage groove (15) is rotatably connected with a movable column (16); a plurality of groups of second storage grooves (17) are formed in the side wall of one side of the inner side of the adjusting groove (13); a connecting plate (18) is fixedly connected to the side wall of one side, far away from the hub fixing rod (12), of the inner side of the second storage groove (17); a first object placing plate (19) is fixedly connected to the side wall of one side, close to the first fixing column (14), of the connecting plate (18); the inner side wall of the first storage plate (19) is rotationally connected with a joint rotating shaft (110).

2. A trailer lock as claimed in claim 1, wherein: the side wall of the trailer lock body (1) close to one side of the hub fixed rod (12) is rotationally connected with a fixed rotating shaft (2); a plurality of groups of elastic support plates (21) are fixedly connected to the side wall of the trailer lock body (1) close to the hub fixing rod (12); the outer side wall of the fixed rotating shaft (2) is fixedly connected with a supporting and bonding plate (22); the side wall of one side of the supporting and pasting plate (22) is fixedly connected with a plurality of groups of elastic supporting plates (21).

3. A trailer lock as claimed in claim 2, wherein: a second storage plate (3) is arranged on the side wall of one side of the trailer lock body (1); a plurality of groups of second fixing columns (31) are fixedly connected to the side wall of the second storage plate (3) close to one side of the trailer lock body (1); a plurality of groups of fixing grooves (32) are formed in the side wall, close to the second storage plate (3), of the trailer lock body (1) and the side wall, close to the second storage plate (3), of the first fixing column (14); the second fixing column (31) slides in the fixing groove (32).

4. A trailer lock as claimed in claim 3, wherein: one end, close to the first fixed column (14), of the supporting and attaching plate (22) is fixedly connected with a contact plate (4); the side wall of the contact plate (4) close to one side of the first fixing column (14) is attached to the side wall of the first fixing column (14) close to one side of the fixed rotating shaft (2).

5. A trailer lock as claimed in claim 4, wherein: a plurality of groups of friction soft plates (5) are fixedly connected to the side wall of the contact plate (4) close to one side of the first fixed column (14); the side wall of one side of the friction soft board (5) is mutually attached to the side wall of one side of the first fixing column (14) close to the friction soft board (5).

6. A trailer lock as in claim 5, wherein: a limiting plate (6) is fixedly connected to the outer side wall of the fixed rotating shaft (2); the side wall at one side of the limiting plate (6) is mutually attached to the side wall at one side of the trailer lock body (1).