CN210653334U - Locking device and special vehicle - Google Patents
Locking device and special vehicle Download PDFInfo
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- CN210653334U CN210653334U CN201921198295.2U CN201921198295U CN210653334U CN 210653334 U CN210653334 U CN 210653334U CN 201921198295 U CN201921198295 U CN 201921198295U CN 210653334 U CN210653334 U CN 210653334U
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- connecting rod
- locking
- locking column
- column
- locking device
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Abstract
The utility model discloses a locking device, locking device are arranged in the locking of vehicle hinge structure, and the vehicle includes articulated portion that forms of first connecting portion, second connecting portion and the two, and locking device includes first locking post, head rod, first elastic component, second locking post, second connecting rod and second elastic component. The first locking column is arranged on the first connecting part; the first connecting rod and the second connecting rod are respectively hinged on the second connecting part, and a hook is arranged at the free end of the first connecting rod; the first elastic piece provides first elastic force for enabling the first connecting rod to rotate towards the first locking column; the second locking column is arranged on the first connecting rod; the second connecting rod is used for being abutted to the second locking column, and the second elastic piece provides second elastic force for enabling the second connecting rod to be abutted to the second locking column. The utility model provides a locking of lock post and couple need artifical the participation, awkward problem.
Description
Technical Field
The utility model relates to a vehicle field especially relates to a locking device and special vehicle.
Background
Articulated structures are used in large numbers in vehicles, with the parts connecting the articulated structures being able to rotate relative to one another, as is common in the connection of trailers to tractors, the connection of cargo compartments to vehicle bodies in trucks, the connection of lifting platforms to vehicle bodies in wreckers and the connection of tractors to tractors in industrial agricultural production. In the above application, two hinged components need to be locked at an end far away from the hinge part in a working state, so that the two components are completely locked.
In the prior art, a locking column is generally arranged on one part, a hook corresponding to the locking column is arranged on the other part, and the locking column is hooked by a person to realize locking between the locking column and the hook, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a locking device for the problem that the locking post and the hook need to be manually locked and are inconvenient to operate.
The utility model provides a locking device, locking device is arranged in the locking of vehicle hinge structure, the vehicle includes articulated portion that forms of first connecting portion, second connecting portion and the two, its characterized in that, locking device includes:
the first locking column is arranged at one end of the first connecting part, which is far away from the hinge part;
the first connecting rod is hinged to one end, close to the first locking column, of the second connecting part, and a hook in butt joint with the first locking column is arranged at the free end of the first connecting rod;
one end of the first elastic piece is connected with the first connecting rod and provides first elastic force for enabling the first connecting rod to rotate towards the first locking column;
the second locking column is arranged on the first connecting rod;
one end of the second connecting rod is hinged with the second connecting part, and the other end of the second connecting rod is used for being abutted against the second locking column to provide abutting force for preventing the first connecting rod from rotating towards the first locking column;
a second elastic member connected to the second link lever and providing a second elastic force for abutting the second link lever to the second locking post;
in an unlocked state, the first locking column is far away from the hook, and the second connecting rod is abutted with the second locking column;
in a locking state, the first locking column pushes the second connecting rod to be far away from the second locking column, and the first elastic force enables the hook to hook the first locking column.
Preferably, locking device still include certainly the head rod is dorsad the outside third connecting rod that extends of one side of couple, with the articulated fourth connecting rod that sets up of free end of third connecting rod and with the articulated fifth connecting rod of fourth connecting rod free end, first elastic component is that one end sets up on the second connecting portion, the other end with the extension spring that the free end of fifth connecting rod is connected, the middle section of fifth connecting rod be provided with the pivot that the second connecting portion are connected, the fifth connecting rod with the pivot rotates and connects.
Preferably, the third connecting rod and the end hinged to the fourth connecting rod are provided with a pulling plate, and the pulling plate and the third connecting rod are arranged vertically.
Preferably, the locking device further comprises a mounting plate, the mounting plate is disposed on the second connecting portion, the hinge shaft of the first connecting rod is disposed on the mounting plate, and the hinge shaft of the second connecting rod is disposed on the mounting plate and located on one side of the hinge shaft of the first connecting rod.
Preferably, the second elastic component is a torsion spring, the torsion spring sleeve is arranged on the articulated shaft of the second connecting rod and the mounting plate, one spring arm of the torsion spring is abutted against the second connecting rod, and the other spring arm is abutted against the edge of the mounting plate.
Preferably, a pair of connecting plates is further arranged on the first connecting portion in parallel, one end of the first locking column is connected with one connecting plate, and the other end of the second locking column is connected with the other connecting plate.
The utility model discloses still provide a special vehicle, including foretell locking device.
Preferably, the special purpose vehicle comprises a motor home, a trailer, a wrecker, a dump truck or an agricultural tractor.
The utility model discloses a locking device including first locking post, first connecting rod, first elastic component, second locking post, second connecting rod and second elastic component is provided, under the non-locking state, the first locking post is kept away from the couple, under the effect of first elastic component and second elastic component, the second connecting rod with the second locking post butt; under the locking state, first locking post promotes the second connecting rod and keeps away from the second locking post, and first elastic component promotes the first connecting rod and rotates, makes the couple catches on automatically first locking post has solved prior art, needs manual locking, the inconvenient problem of operation.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a locking device according to the present invention in an unlocked state;
FIG. 2 is a schematic structural diagram of the locking device in the embodiment of FIG. 1 in a locked state;
fig. 3 is a schematic structural diagram of the locking device in the embodiment of fig. 1.
Detailed Description
The utility model provides a locking device, referring to fig. 1 to 3, locking device is arranged in the locking of vehicle articulated structure, the vehicle includes articulated portion that forms of first connecting portion 1, second connecting portion 2 and the two, locking device includes first locking post 1a, head rod 3, first elastic component 8, second locking post 3b, second connecting rod 4 and second elastic component 9. A first locking column 1a is arranged at one end of the first connecting part 1 close to the tractor; a first connecting rod 3 is hinged to one end, close to the first locking column 1a, of the second connecting part 2, and a hook 3a in butt joint with the first locking column 1a is arranged at the free end of the first connecting rod 3; a first elastic member 8 having one end connected to the first connecting rod 3 and providing a first elastic force for rotating the first connecting rod 3 toward the first locking post 1 a; a second locking stud 3b is provided on the first connecting rod 3; one end of the second connecting rod 4 is hinged with the second connecting part 2, and the other end is used for being abutted against the second locking column 3b to provide an abutting force for preventing the first connecting rod 3 from rotating towards the first locking column 1 a; one end of a second elastic piece 9 is connected with the second connecting rod 4 and provides a second elastic force for abutting the second connecting rod 4 with the second locking column 3 b; in the unlocked state, the first locking column 1a is far away from the hook 3a, and the second connecting rod 4 is abutted with the second locking column 3 b; in the locked state, the first locking column 1a pushes the second connecting rod 4 away from the second locking column 3b, and the first elastic force enables the hook 3a to hook the first locking column 1 a.
In the present embodiment, the first connecting rod 3 and the second connecting rod 4 are planar connecting rods, and the first locking column 1a and the second locking column 3b are disposed perpendicular to the planar connecting rods. Locking device still include certainly the head rod 3 is back to the outside third connecting rod 5 that extends of one side of couple 3a, with the articulated fourth of the free end of third connecting rod 5 sets up connect 6 poles and with the articulated fifth connecting rod 7 of the free end of the fourth 6 poles of connection, first elastic component 8 is that one end sets up on second connecting portion 2, the other end with the extension spring that the free end of fifth connecting rod 7 is connected, the middle section of fifth connecting rod 7 be provided with the pivot that second connecting portion 2 is connected, fifth connecting rod 7 with the pivot is rotated and is connected.
In this embodiment, when the second connecting rod 4 is disengaged from the second locking post 3b, the tension spring pulls the fifth connecting rod 7 to rotate, and the fifth connecting rod 7 drives the fourth connecting rod 6 to rotate, during the movement. The distance between the hinged parts of the fourth connecting rod 6 and the third connecting rod 5 and the hinged parts of the fifth connecting rod 7 and the second connecting part 2 is increased, and the third connecting rod 5 is pushed to lift upwards. Whereby the hook 3a moves towards the first locking stud 1 a. The utility model discloses a setting respectively with head rod 3 and 2 articulated link mechanism of second connecting portion, the pulling force that makes the extension spring is changed into the thrust that promotes the trip towards the motion of first connecting post, structural stability is stronger.
Preferably, the locking device further includes a mounting plate 10, the mounting plate 10 is disposed on the second connecting portion 2, the hinge shaft of the first connecting rod 3 is disposed on the mounting plate 10, and the hinge shaft of the second connecting rod 4 is disposed on the mounting plate 10 and located at one side of the hinge shaft of the first connecting rod 3. In this embodiment, by arranging the first chain link rod and the second link rod 4 on the mounting plate 10, the mounting plate 10 and the second connecting part 2 can be connected in a welding manner, and the assembling difficulty of the locking device is reduced.
In this embodiment, the second elastic member 9 is a torsion spring, the torsion spring sleeve is arranged on the hinge shaft of the second connecting rod 4 and the mounting plate 10, a spring arm of the torsion spring is abutted against the second connecting rod 4, and another spring arm is abutted against the edge of the mounting plate 10. In this embodiment, the hinge shafts of the first connecting rod 3 and the mounting plate 10 extend outwards, and the torsion spring is sleeved on the hinge shafts, so that the connection strength between the torsion spring and the first connecting rod 3 and the mounting plate 10 is better compared with the scheme of adopting a compression spring.
The utility model discloses a through setting up the locking device that includes first locking post 1a, first connecting rod 3, first elastic component 8, second locking post 3b, second connecting rod 4 and second elastic component 9, under non-locking state, first locking post 1a keeps away from couple 3a, under the effect of first elastic component 8 and second elastic component 9, second connecting rod 4 with second locking post 3b butt; under the locking state, first locking post 1a descends and promotes second connecting rod 4 and keeps away from second locking post 3b along with first connecting portion 1, and first elastic component 8 promotes first connecting rod 3 and rotates, makes couple 3a catches on automatically first locking post 1a has solved prior art, and the trailer needs manual locking, operates inconvenient problem.
In another embodiment of the present invention, the first elastic member 8 is a first compression spring having one end connected to the first connecting rod 3 and the other end connected to the second connecting portion 2. The second elastic part 9 is a second pressure spring with one end connected with the second connecting rod 4 and the other end connected with the second connecting part 2, and the free end of the second connecting rod 4 is positioned below the first locking column 1 a. Meanwhile, the free end of the second connecting rod 4 is also provided with a step, the bottom surface of the step is used for being abutted against the lower part of the second locking column 3b, and the abutting force is provided by a second pressure spring. Under the effect of first elastic component 8, second locking post 3b and the lateral wall butt of step, the side of step with be used for hindering the trip to move towards first locking post 1 a.
In this embodiment, a pulling plate 5a is disposed at one end of the third connecting rod hinged to the fourth connecting rod, and the pulling plate 5a is perpendicular to the third connecting rod. The operator can pull the pulling plate 5a to separate the hook 3a from the first connecting rod 1a by setting the pulling plate 5 a.
In this embodiment, the trailer is further provided with a pair of connecting plates 1b in parallel, one end of the first locking column 1a is connected with one connecting plate 1b, and the other end of the second locking column 1a is connected with the other connecting plate 1 b. The provision of the second locking stud 1a between the two connection plates 1b ensures structural stability.
The utility model discloses still provide a special vehicle, including foretell locking device. The special vehicle comprises a motor home, a trailer, a wrecker, a dump truck or an agricultural traction machine. The locking mechanism is used for locking the connection between a trailer carriage of a caravan and a tractor, locking the connection between a trailer and the tractor, locking the connection between the free end of a lifting platform of an obstacle removing truck and a truck body, locking the connection between the free end of a turnover cargo carriage of a load-carrying truck and the truck body, and locking the connection between an agricultural machine and the tractor. Wherein the agricultural machinery comprises a transplanter, a ploughing machine, a seeder and the like.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A locking device for locking a hinge structure in a vehicle including a first connecting portion, a second connecting portion, and a hinge portion formed by hinging the first connecting portion and the second connecting portion, characterized by comprising:
the first locking column is arranged at one end of the first connecting part, which is far away from the hinge part;
the first connecting rod is hinged to one end, close to the first locking column, of the second connecting part, and a hook in butt joint with the first locking column is arranged at the free end of the first connecting rod;
one end of the first elastic piece is connected with the first connecting rod and provides first elastic force for enabling the first connecting rod to rotate towards the first locking column;
the second locking column is arranged on the first connecting rod;
one end of the second connecting rod is hinged with the second connecting part, and the other end of the second connecting rod is used for being abutted against the second locking column to provide abutting force for preventing the first connecting rod from rotating towards the first locking column;
a second elastic member connected to the second link lever and providing a second elastic force for abutting the second link lever to the second locking post;
in an unlocked state, the first locking column is far away from the hook, and the second connecting rod is abutted with the second locking column;
in a locking state, the first locking column pushes the second connecting rod to be far away from the second locking column, and the first elastic force enables the hook to hook the first locking column.
2. The locking device according to claim 1, further comprising a third connecting rod extending outwards from a side of the first connecting rod opposite to the hook, a fourth connecting rod hinged to a free end of the third connecting rod, and a fifth connecting rod hinged to a free end of the fourth connecting rod, wherein the first elastic member is a tension spring having one end disposed on the second connecting portion and the other end connected to the free end of the fifth connecting rod, a rotating shaft connected to the second connecting portion is disposed in a middle section of the fifth connecting rod, and the fifth connecting rod is rotatably connected to the rotating shaft.
3. The locking device of claim 2, wherein the end of the third connecting rod hinged to the fourth connecting rod is provided with a pulling plate, and the pulling plate is arranged perpendicular to the third connecting rod.
4. The locking device according to claim 1, further comprising a mounting plate provided on the second connecting portion, the hinge shaft of the first connecting rod being provided on the mounting plate, and the hinge shaft of the second connecting rod being provided on the mounting plate and located at one side of the hinge shaft of the first connecting rod.
5. The locking device of claim 4, wherein the second elastic member is a torsion spring, the torsion spring is sleeved on the hinge shaft of the second connecting rod and the mounting plate, one arm of the torsion spring is abutted against the second connecting rod, and the other arm of the torsion spring is abutted against the edge of the mounting plate.
6. The locking device of claim 1, wherein the first connecting portion further has a pair of connecting plates disposed thereon in parallel, one end of the first locking post is connected to one of the connecting plates, and the other end of the second locking post is connected to the other connecting plate.
7. A special vehicle, characterized in that it comprises a locking device according to any one of claims 1 to 6.
8. The special vehicle as claimed in claim 7, characterized in that the special vehicle comprises a motor home, a trailer, a wrecker, a dump truck or an agricultural tractor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198295.2U CN210653334U (en) | 2019-07-26 | 2019-07-26 | Locking device and special vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921198295.2U CN210653334U (en) | 2019-07-26 | 2019-07-26 | Locking device and special vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210653334U true CN210653334U (en) | 2020-06-02 |
Family
ID=70844728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921198295.2U Active CN210653334U (en) | 2019-07-26 | 2019-07-26 | Locking device and special vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210653334U (en) |
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2019
- 2019-07-26 CN CN201921198295.2U patent/CN210653334U/en active Active
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