Lock catch, locking method of lock catch and multi-section trailer

Abstract

The invention discloses a lock catch, a locking method of the lock catch and a multi-section trailer. The lock catch comprises a lock body, a lock head, a spring column, a trigger frame, a trigger and a booster, a lock head bin is constructed at one end of the lock body, and the spring column is vertically and movably installed in the lock body; the spring column vertically penetrates through the lock body, the end, located outside the lock body, of the spring column is hinged to one end of the trigger frame, the trigger frame is hinged to the trigger, a boosting rod of a booster is hinged to the trigger, the booster is located in the lock body, the boosting rod of the booster extends out of the lock body, and the other end of the lock body is fixedly connected with the moving end of the lifting device. A movable hole is formed in the movable plate, and the lower end of the spring column penetrates through the movable hole; when the lock body descends to a certain position, the upper end of the spring column is connected with the movable plate in an inserted mode, and the lock head stretches into the lock head bin to be connected in a matched mode. A lock head of a lock catch is fixedly installed at the rear end of each trailer body so as to achieve connection and separation of the multiple trailer bodies. The structure is relatively simple, and the automation degree of lock catch connection and separation is high.

Description

Technical Field

[0001] The present invention relates to the technical field of transportation, and in particular to a lock buckle, a locking method of the lock buckle, and a multi-section trailer. Background Art

[0002] In the existing transportation field, traditional multi-section trailers are an important means of cargo transportation and are widely used in various logistics scenarios. However, with the continuous increase in cargo transportation demand and the extension of transportation distance.

[0003] When the trailer of the prior art is connected, the lock structure for connection and disconnection is relatively complicated, and the degree of automation of the connection lock is not high enough, so that the trailer connection is not convenient and efficient enough. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a lock, which has a relatively simple structure and introduces a booster and a lifting device, so that the lock has a relatively high degree of automation. The locking method of the lock of the present invention makes the connection of the trailer convenient and efficient. In the first aspect, the present invention provides a lock, including: a lock body, a lock head, a spring column, a trigger frame, a trigger, and a booster. A lock head compartment is constructed at one end of the lock body, and a spring column is vertically and movably installed inside the lock body; the spring column vertically penetrates the lock body, and the spring column is located at one end of the lock body and is hingedly connected to the trigger frame At one end, the trigger is hingedly connected to the trigger frame, and a booster rod of the booster is hingedly connected to the trigger. The booster is located inside the lock body, and the booster rod of the booster extends out of the lock body. The other end of the lock body is fixedly connected to the movable end of the lifting device. The spring column is a structure with a large upper end and a small lower end. The lock body is movably connected to the movable plate, and a movable hole is provided on the movable plate. The lower end of the spring column passes through the movable hole; when the lock body descends to a certain position, the upper end of the spring column is plugged into the movable plate, and the lock head extends into the lock head compartment for matching connection.

[0005] Preferably, the lock buckle further comprises: a limit plate, the limit plate is fixedly arranged on the outside of the lock body, the limit plate is located between the lock body and the trigger frame, and the limit plate is provided with a limit hole.

[0006] Preferably, the trigger is a T-shaped structure, the two lateral ends of the T-shaped structure are respectively hinged to the trigger frame and the power rod, and a curved hook is provided at the head of the vertical position in the middle of the T-shaped structure, and the curved hook cooperates with the limiting hole.

[0007] Preferably, the spring column is located at one end inside the lock body and is sequentially sleeved with a first limit spring, a movable plate, a second limit spring, and a locking nut, and the spring column is threadedly connected to the locking nut.

[0008] Preferably, a limiting column is fixedly installed inside the lock body, a downwardly bent baffle is provided at one end of the movable plate, and the limiting column is located on the inner side of the baffle to support one end of the movable plate and limit the movable range of the movable plate.

[0009] Preferably, the lock head is spherical, and the lock head chamber matched with the lock head is a hollow spherical shape.

[0010] Preferably, the other end of the movable plate is arc-shaped, and the curvature of the arc is consistent with the outer shape of the lock.

[0011] Preferably, there is a conical transition between the upper end and the lower end of the spring column.

[0012] In a second aspect, the present invention provides a locking method for a lock buckle, wherein the lock buckle is adopted, the movable end of the lifting device of the lock buckle is retracted, driving the lock body of the lock buckle to descend, so that the lock head of the lock buckle enters the lock head compartment of the lock buckle for cooperation, and when the lock head enters the lock head compartment for cooperation, the booster rod of the booster of the lock buckle is controlled to extend, and the extension of the booster rod drives the trigger of the lock buckle to rotate, and then drives the trigger frame of the lock buckle to rotate, thereby driving the spring column of the lock buckle to be pressed down and clamped into the movable hole in the movable plate of the lock buckle, so as to realize the horizontal positioning of the movable plate, and then make the other end of the movable plate close to the outer surface of the lock head, so as to realize the locking of the lock head and the lock head compartment;

[0013] The booster rod of the booster is controlled to retract, and the booster rod is extended to drive the trigger to rotate, and then the trigger frame is driven to rotate, thereby driving the spring column to rise and disengage from the movable hole in the movable plate, thereby realizing the lateral positioning and release of the movable plate, and then the other end of the movable plate is separated from the outer surface of the lock head, and then the moving end of the lifting device is extended to drive the control lock body to rise, so that the lock head is separated from the lock head bin.

[0014] In the third aspect, the present invention provides a multi-section trailer, comprising: the lock, a plurality of trailer bodies, a fixed end of the lifting device of the lock is fixedly installed at the front end of each trailer body, and a locking head of the lock is fixedly installed at the rear end of each trailer body, so as to realize the connection and separation between the plurality of trailer bodies.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The invention relates to a lock buckle, a locking method of a lock buckle, and a multi-section trailer, comprising: a lock body, a lock head, a spring column, a trigger frame, a trigger, and a booster, wherein one end of the lock body is configured with a lock head bin, and a spring column is vertically and vertically movably installed inside the lock body; the spring column vertically penetrates the lock body, one end of the spring column is located outside the lock body and is hingedly connected to one end of the trigger frame, the trigger frame is hingedly connected to the trigger, and a booster rod of the booster is hingedly connected to the trigger, the booster is located inside the lock body, the booster rod of the booster extends out of the lock body, and the other end of the lock body is fixedly connected to the moving end of a lifting device, the spring column is a structure with a large upper end and a small lower end, the lock body is movably connected to the movable plate inside, the movable plate is provided with a movable hole, and the lower end of the spring column passes through the movable hole; when the lock body descends to a certain position, the upper end of the spring column is plugged into the movable plate, and the lock head extends into the lock head bin for matching connection. The lock head of the lock buckle is fixedly installed at the rear end of each trailer body to realize the connection and separation between the multiple trailer bodies. And through the combined use of the booster and the lifting device, the connection and separation between the trailer bodies are convenient and fast, and the structure of the present invention is relatively simple, and the connection and separation of the lock buckle is highly automated. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 is a cross-sectional view of a lock buckle of the present invention in a locked state;

[0019] Figure 2 This is an external structural diagram of a lock buckle of the present invention in a locked state;

[0020] Figure 3 It is a cross-sectional view of a lock buckle of the present invention in a disengaged state;

[0021] Figure 4 A three-dimensional diagram of a trigger frame of a lock of the present invention;

[0022] Figure 5 A three-dimensional diagram of a trigger of a lock of the present invention;

[0023] Figure 6 A three-dimensional diagram of a lock body of a lock buckle of the present invention;

[0024] Figure 7 A three-dimensional diagram of a movable plate of a lock of the present invention;

[0025] Figure 8 A three-dimensional diagram of a limit plate of a lock buckle of the present invention;

[0026] Fig. 9 A three-dimensional diagram of a lock body and some parts of a lock buckle after being assembled;

[0027] Fig.10 A three-dimensional diagram of a spring column of a lock of the present invention;

[0028] Fig.11 A side view of a single trailer body of a trailer of the present invention;

[0029] Fig.12 The figure is a three-dimensional diagram of a trailer according to the present invention.

[0030] Among them: lock body 10, lock head compartment 101, limit column 102, lock head 11, spring column 12, trigger frame 13, trigger 14, hook 141, booster 15, booster rod 151, first limit spring 161, second limit spring 162, locking nut 163, movable plate 17, movable hole 1701, baffle 1702, lifting device 18, limit plate 19, limit hole 191. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below in conjunction with the accompanying drawings:

[0032] Embodiment 1:

[0033] like Figure 1-Figure 10The present invention provides a lock buckle, comprising: a lock body 10, a lock head 11, a spring column 12, a trigger frame 13, a trigger 14, and a booster 15. A lock head compartment 101 is constructed at one end of the lock body 10. The lock body 10 and the lock head compartment 101 are of an integrated design. The spring column 12 is vertically and movably installed in the lock body 10; the spring column 12 vertically penetrates the lock body 10, and one end of the spring column 12 is located outside the lock body 10 and is hingedly connected to one end of the trigger frame 13. The trigger frame 13 is hingedly connected to the trigger 14, and a booster rod 151 of the booster 15 is hingedly connected to the trigger 14. The booster 15 is located inside the lock body 10, and the fixed end of the booster 15 is hinged to the lock body 10. The booster rod 151 of the booster 15 extends out of the lock body 10, and a hole for the booster rod 151 to move is provided on the lock body 10. The other end of the lock body 10 is fixedly connected to the movable end of the lifting device 18. The spring column 12 is a structure with a large upper end and a small lower end. The lock body 10 is movably connected to the movable plate 17 inside, and a movable hole 1701 is provided on the movable plate 17. The lower end of the spring column 12 passes through the movable hole 1701, and the upper end of the spring column 12 has the same shape and size as the movable hole 1701; when the lock body 10 descends to a certain position, the upper end of the spring column 12 is plugged into the movable plate 17, and the lock head 11 extends into the lock head compartment 101 for matching connection.

[0034] Furthermore, the lock buckle also includes: a limit plate 19, which is fixedly arranged on the outside of the lock body 10, and the limit plate 19 can be welded to the outside of the lock body 10. The limit plate 19 is located between the lock body 10 and the trigger frame 13, and a limit hole 191 is provided on the limit plate 19.

[0035] Furthermore, the trigger 14 is a T-shaped structure, and the two lateral ends of the T-shaped structure are respectively hinged to the trigger frame 13 and the power rod 151, and a curved hook 141 is provided at the head of the vertical position in the middle of the T-shaped structure; the curved hook 141 cooperates with the limiting hole 191; when the power rod 151 retracts, the curved hook 141 is driven to be stuck in the limiting hole 191; when the power rod 151 extends, the curved hook 141 is driven to be separated from the limiting hole 191.

[0036] Furthermore, the spring column 12 is located at one end inside the lock body 10 and is sleeved with a first limit spring 161, a movable plate 17, a second limit spring 162, and a locking nut 163 in sequence, and the spring column 12 is threadedly connected to the locking nut 163. The first limit spring 161 and the second limit spring 162 are respectively located on both sides of the movable plate 17; the first limit spring 161 and the second limit spring 162 are both in a compressed state, providing thrust to both sides of the movable plate 17.

[0037] Furthermore, a limiting column 102 is fixedly installed inside the lock body 10, and the limiting column 102 can be connected to the inside of the lock body 10 by welding. The limiting column 102 can be set as a cylinder, and a downwardly bent baffle 1702 is set at one end of the movable plate 17. The limiting column 102 is located on the inner side of the baffle 1702 to support one end of the movable plate 17; and the two side surfaces adjacent to the baffle 1702 of the movable plate 17 are in contact with the inside of the lock body 10, and can slide with the inside of the lock body 10 to limit the range of movement of the movable plate 17.

[0038] Furthermore, the lock head 11 is spherical, and the lock head chamber 101 matched with the lock head 11 is hollow spherical, so that the lock head 11 and the lock head chamber 101 can be matched conveniently.

[0039] Furthermore, the other end of the movable plate 17 is arc-shaped, and the curvature of the arc is consistent with the outer shape of the lock head 11. After the lock head 11 is matched with the lock head chamber 101, the arc of the other end of the movable plate 17 fits with the outer part of the lock head 11 to achieve locking of the lock head 11.

[0040] Furthermore, there is a conical transition between the upper end and the lower end of the spring column 12, so that when the spring column 12 drops to a certain position, the large end of the spring column 12 is plugged into the movable hole 1701 to achieve lateral positioning of the movable plate 17.

[0041] Embodiment 2:

[0042] The present invention provides a locking method of a lock. When using the lock, the booster 15 can be connected to an external controller or control system for controlling its movement, and the booster rod 151 of the booster 15 can be simply telescopically controlled. The lifting device 18 of the lock can be an electric telescopic cylinder or a hydraulic telescopic cylinder, and the moving end of the lifting device 18 can be simply telescopically controlled. When the movable end of the lifting device 18 of the lock buckle is retracted, the lock body 10 of the lock buckle is driven to descend, so that the lock head 11 of the lock buckle enters the lock head compartment 101 of the lock buckle for cooperation. When the lock head 11 enters the lock head compartment 101 for cooperation, the booster rod 151 of the booster 15 of the lock buckle is controlled to extend. The booster rod 151 extends to drive the trigger 14 of the lock buckle to rotate, and then drives the trigger frame 13 of the lock buckle to rotate, thereby driving the spring column 12 of the lock buckle to press down and get stuck in the active hole 1701 in the active plate 17 of the lock buckle, so as to realize the horizontal positioning of the active plate 17, so as to make the other end of the active plate 17 close to the outer surface of the lock head 11, so that the lock head 11 and the lock head compartment 101 are locked;

[0043] The booster rod 151 of the booster 15 is controlled to retract, and the booster rod 151 is extended to drive the trigger 14 to rotate, and then drives the trigger frame 13 to rotate, thereby driving the spring column 12 to rise and disengage from the movable hole 1701 in the movable plate 17, thereby realizing the lateral positioning and release of the movable plate 17, and then the other end of the movable plate 17 is separated from the outer surface of the lock head 11, and then the moving end of the lifting device 18 is extended to drive the control lock body 10 to rise, so that the lock head 11 is separated from the lock head bin 101.

[0044] Embodiment 3:

[0045] like Figure 11-12 As shown, the invention provides a multi-section trailer, comprising: the lock, multiple trailer bodies, a fixed end of the lifting device 18 of the lock is fixedly installed at the front end of each trailer body, and a lock head 11 of the lock is fixedly installed at the rear end of each trailer body, so as to realize the connection and separation between the multiple trailer bodies. The multiple trailer bodies can be selected from flatbed or box-type structures.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A lock, characterized in that: include: A lock body (10), a lock head (11), a spring column (12), a trigger frame (13), a trigger (14), and a booster (15); one end of the lock body (10) is provided with a lock head compartment (101); a spring column (12) is vertically and movably installed inside the lock body (10); the spring column (12) vertically penetrates the lock body (10); one end of the spring column (12) is located outside the lock body (10) and is hingedly connected to one end of the trigger frame (13); the trigger frame (13) is hingedly connected to the trigger (14); a booster rod (151) of the booster (15) is hingedly connected to the trigger (14); the booster (15) is located inside the lock body (10); The fixed end is hingedly connected to the lock body (10), the booster rod (151) of the booster (15) extends out of the lock body (10), and the other end of the lock body (10) is fixedly connected to the movable end of the lifting device (18). The spring column (12) is a structure with a large upper end and a small lower end. The lock body (10) is movably connected to the movable plate (17) inside, and the movable plate (17) is provided with a movable hole (1701). The lower end of the spring column (12) passes through the movable hole (1701); when the lock body (10) descends to a certain position, the upper end of the spring column (12) is plugged into the movable plate (17), and the lock head (11) extends into the lock head compartment (101) for matching connection.

2. The lock buckle according to claim 1, characterized in that: Also includes: A limit plate (19), the limit plate (19) is fixedly arranged outside the lock body (10), the limit plate (19) is located between the lock body (10) and the trigger frame (13), and a limit hole (191) is provided on the limit plate (19).

3. The lock buckle according to claim 2, characterized in that: The trigger (14) is a T-shaped structure, and the two lateral ends of the T-shaped structure are respectively hinged to the trigger frame (13) and the booster rod (151), and a curved hook (141) is provided at the head of the vertical position in the middle of the T-shaped structure, and the curved hook (141) cooperates with the limiting hole (191).

4. The lock buckle according to claim 1, characterized in that: The spring column (12) is located inside the lock body (10), and one end thereof is sleeved with a first limit spring (161), a movable plate (17), a second limit spring (162), and a locking nut (163) in sequence. The spring column (12) is threadedly connected to the locking nut (163).

5. The lock buckle according to claim 4, characterized in that: A limiting column (102) is fixedly installed inside the lock body (10), and a baffle (1702) bent downward is provided at one end of the movable plate (17). The limiting column (102) is located on the inner side of the baffle (1702) to support one end of the movable plate (17) and limit the range of movement of the movable plate (17).

6. The lock buckle according to claim 1, characterized in that: The lock head (11) is spherical, and the lock head chamber (101) matched with the lock head (11) is hollow and spherical.

7. The lock buckle according to claim 5, characterized in that: The other end of the movable plate (17) is arc-shaped, and the curvature of the arc is consistent with the external shape of the lock head (11).

8. The lock buckle according to claim 4, characterized in that: There is a conical transition between the upper end and the lower end of the spring column (12).

9. A locking method for a lock, characterized in that: The lock buckle described in any one of claims 1 to 8 is used to achieve locking of the lock head (11) and the lock head chamber (101); or to achieve separation of the lock head (11) from the lock head chamber (101).

10. A multi-section trailer, comprising: The lock as described in any one of claims 1 to 8 and multiple trailer bodies, wherein a fixed end of a lifting device (18) of the lock is fixedly installed at the front end of each trailer body, and a locking head (11) of the lock is fixedly installed at the rear end of each trailer body, so as to realize connection and separation between the multiple trailer bodies.

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