Anti-theft trailer lock structure

Abstract

The utility model belongs to the technical field of trailer lock structures, and particularly relates to an anti-theft trailer lock structure which comprises a mounting plate, through holes are formed in the vertex angle positions of the four edges of the mounting plate, a trailer sleeve is arranged on the side wall of the mounting plate, mounting grooves are formed in the two sides of the trailer sleeve respectively, and the hole diameters of the two mounting grooves are different. A trailer assembly is arranged in the trailer sleeve, a locking assembly is arranged in the mounting groove, the locking assembly comprises a lock body, two ball grooves are symmetrically formed in one end of the lock body, steel balls are arranged in the two ball grooves, a block groove is formed in one side of each ball groove, a top block is arranged in each block groove, and a locking assembly is arranged in each top block. A rod groove is formed in one end of the lock body, a lock rod is arranged in the rod groove in a penetrating mode, an installation head is arranged at the other end of the lock rod, reticulate patterns are arranged on the outer side wall of the installation head, the anti-theft purpose is achieved in a matched mode, and the lock body and the trailer arm can be conveniently installed and fixed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the trailer lock structure technical field, specifically speaking, it is a theftproof type trailer lock structure. BACKGROUND

[0002] The trailer lock is a device for fixing the trailer hook, mainly used for preventing the trailer from falling off accidentally during driving, ensuring the driving safety, and is often used for people's travel, and is used by attaching the trailer to the private car, and needs to guarantee the safety of the trailer lock because of being outdoors, therefore, a theftproof type trailer lock structure is needed;

[0003] A theftproof type trailer lock structure is a device specially collected for preventing vehicles from being illegally towed away, usually including a lock core, a lock shell, a lock bolt and a lock spring, etc., and the opening and closing of the lock are controlled by a specific key or password. When the lock core is activated by the correct key or password, the mechanical structure inside the lock body will be unlocked, allowing the trailer lock to be opened;

[0004] The existing theftproof type trailer lock structure needs to guarantee the safety of the goods because the trailer lock is often used outdoors to connect the private car and the trailer house car, and the existing equipment is usually inconvenient to disassemble and install, and has poor applicability; therefore, a theftproof type trailer lock structure is proposed for the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, aiming at the problems existing in the existing equipment, the utility model provides a theftproof type trailer lock structure.

[0006] The utility model solves the technical problems by adopting the technical scheme of a theftproof type trailer lock structure, which comprises a mounting plate, through holes are formed at the top corners of the four edges of the mounting plate, a trailer sleeve is arranged on the side wall of the mounting plate, mounting grooves are formed on the two sides of the trailer sleeve, the hole diameters of the two mounting grooves are different, a trailer assembly is arranged in the trailer sleeve, a locking assembly is arranged in the mounting groove, the locking assembly comprises a lock body, two ball grooves are symmetrically arranged at one end of the lock body, steel balls are arranged in the two ball grooves, a block groove is formed on one side of the ball groove, a top block is arranged in the block groove, and the rotation of the mounting rod drives the top disc, the top disc drives the top block to push the steel ball to slide in the ball groove, and the opening and closing of the lock body are realized.

[0007] Preferably, a rod groove is formed at one end of the lock body, a lock rod is arranged in the rod groove in a penetrating manner, a sealing ring is arranged at the top end of the lock rod, an installation head is arranged at the other end of the lock rod, and a network is arranged on the outer side wall of the installation head, which can prevent water vapor from entering the lock and causing rust.

[0008] Preferably, the other end of the lock body is provided with a lock head, the top end of the lock head is provided with a key hole, a groove is formed in the lock body, an installation rod is arranged in the groove, the top end of the installation rod is provided with a top disc, a key hole is formed in the installation rod, and the top disc drives the steel ball sliding groove to be opened and closed.

[0009] Preferably, the outer side wall of the top disc is provided with a disc shell, a plurality of driving discs are arranged side by side in the disc shell, a plurality of space discs are arranged side by side in the disc shell, the driving discs and the space discs are arranged alternately, small protrusions are arranged on the outer side of the driving discs, a side rod is arranged on the top disc, recesses are formed in the driving discs and the space discs, the rod diameter of the side rod is matched with the hole diameter of the recesses, and the outer side of the lock body is provided with a net texture.

[0010] Preferably, the trailer assembly comprises a trailer arm, the trailer arm is inserted into a trailer sleeve, an installation groove is formed in the outer side wall of the trailer arm, the lock rod is arranged through the installation groove with a smaller hole diameter, the center of the lock body is on the same straight line with the center point of the other installation groove, and the trailer wall can be fixed.

[0011] Preferably, the outer side wall of the trailer arm is provided with an installation cylinder, a pin shaft is arranged through the installation cylinder, and a trailer hook is rotatably arranged on the pin shaft.

[0012] The utility model discloses the beneficial effect of the following:

[0013] 1, the utility model discloses a lock body is set up, when using, first the trailer arm is inserted into the trailer sleeve, and the lock rod is installed from the installation groove with a smaller hole diameter, and the lock body is installed at the top end of the installation groove on the other side, and the key is inserted into the key hole, and the installation rod is rotated, and the installation rod drives the driving disc to rotate, and the small protrusion is combined with the corresponding slot, and the side rod is pushed into the recess when the driving disc rotates when the external personnel uses the tool to pick the lock, at this time, the lock body can not be opened, and the tool can not be smoothly pulled out because the lock is not opened, and the purpose that the trailer lock is prevented from stealing is realized.

[0014] 2, the utility model discloses a lock rod is set up, and the lock rod is used in cooperation with the lock rod, and the sealing ring is arranged at the top end of the lock rod, and the sealing ring can block the water vapor in the air, and the rust of the lock can be prevented, the service life of the lock is improved, and the practicability of the device is improved. DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 is a schematic diagram of a first overall three-dimensional structure;

[0017] Figure 2 This is a schematic diagram of the installation structure of the lock body and the trailer wall;

[0018] Figure 3 It is a schematic diagram of the cutaway structure of the trailer wall;

[0019] Figure 4 It is a schematic diagram of the cross-section structure of the lock;

[0020] Figure 5 It is a schematic diagram of the driving disc structure;

[0021] Legend:

[0022] In the figure: 1. Lock body; 11. Lock head; 12. Lock rod; 13. Mounting head; 14. Steel ball; 15. Top block; 16. Top plate; 17. Disc shell; 18. Side rod; 19. Drive disc; 2. Mounting plate; 21. Trailer cover; 22. Trailer arm; 23. Mounting cylinder; 24. Pin; 25. Trailer hook. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1-5 As shown, an anti-theft trailer lock structure includes a mounting plate 2, wherein the four corners of the mounting plate 2 are provided with through holes, the side wall of the mounting plate 2 is provided with a trailer cover 21, and mounting grooves are respectively provided on both sides of the trailer cover 21, and the apertures of the two mounting grooves are different. A trailer assembly is provided in the trailer cover 21, and a locking assembly is provided in the mounting groove. The locking assembly includes a lock body 1, and two ball grooves are symmetrically provided at one end of the lock body 1. Steel balls 14 are provided in both ball grooves, and a block groove is provided on one side of the ball groove, and a top block 15 is provided in the block groove.

[0025] In use, the existing anti-theft trailer lock structure is often used outdoors to connect private cars and trailer cars, and thus needs to ensure the safety of the articles. In the present application, the lock body 1 is provided. In use, the trailer arm 22 is inserted into the trailer sleeve 21, and the lock rod 12 is inserted into the smaller-diameter installation groove for installation. The lock body 1 is installed at the top end of the installation groove on the other side. The key is inserted into the key hole, and the installation rod is rotated. The installation rod drives the driving disc 19 to rotate, and the small protrusions are embedded in the corresponding grooves. The side rod 18 is provided. When an external person uses a tool to pick the lock, the driving disc 19 rotates and pushes the side rod 18 into the notch. At this time, the lock body 1 cannot be opened, and the tool cannot be easily pulled out because the lock is not opened. The purpose of preventing theft of the trailer lock is achieved.

[0026] One end of the lock body 1 is provided with a rod groove, and the lock rod 12 is penetratingly arranged in the rod groove. The top end of the lock rod 12 is provided with a sealing ring. The other end of the lock rod 12 is provided with an installation head 13. The outer side wall of the installation head 13 is provided with a network. The other end of the lock body 1 is provided with a lock head 11. The top end of the lock head 11 is provided with a key hole. The lock body 1 is provided with a recess. The recess is provided with an installation rod. The top end of the installation rod is provided with a top disc 16. The installation rod is penetratingly provided with a key hole. The outer side wall of the top disc 16 is provided with a disc shell 17. The disc shell 17 is parallelly provided with a plurality of driving discs 19. The disc shell 17 is parallelly provided with a plurality of space discs. A plurality of driving discs 19 and a plurality of space discs are staggered between them. The outer side of the driving disc 19 is provided with a small protrusion. The top disc 16 is provided with a side rod 18. The driving disc 19 and the space disc are provided with a recess. The rod diameter of the side rod 18 is matched with the hole diameter of the recess. The outer side of the lock body 1 is provided with a network. The trailer assembly includes a trailer arm 22. The trailer arm 22 is inserted into the trailer sleeve 21. The outer side wall of the trailer arm 22 is provided with an installation groove. The lock rod 12 is penetratingly arranged in the smaller-diameter installation groove. The center of the lock body 1 and the center point of the other installation groove are on the same straight line. The outer side wall of the trailer arm 22 is provided with an installation cylinder 23. The installation cylinder 23 is penetratingly provided with a pin shaft 24. The pin shaft 24 is rotatably provided with a trailer hook 25.

[0027] In use, the existing anti-theft trailer lock structure is often used outdoors to connect private cars and trailer cars, and thus needs to ensure the safety of the articles. In the present application, the lock body 1 is provided. In use, the trailer arm 22 is inserted into the trailer sleeve 21, and the lock rod 12 is inserted into the smaller-diameter installation groove for installation. The lock body 1 is installed at the top end of the installation groove on the other side. The key is inserted into the key hole, and the installation rod is rotated. The installation rod drives the driving disc 19 to rotate, and the small protrusions are embedded in the corresponding grooves. The side rod 18 is provided. When an external person uses a tool to pick the lock, the driving disc 19 rotates and pushes the side rod 18 into the notch. At this time, the lock body 1 cannot be opened, and the tool cannot be easily pulled out because the lock is not opened. The purpose of preventing theft of the trailer lock is achieved.

[0028] Working principle: the existing anti-theft trailer lock structure, because the trailer lock is often used outdoors to connect private cars and trailer cars, so it is necessary to protect the safety of the goods, in the scheme, the utility model discloses a lock body 1, in use, first, the trailer arm 22 is inserted into the trailer sleeve 21, the lock rod 12 is inserted into the smaller diameter installation groove for installation, the lock body 1 is installed at the top of the installation groove on the other side, the key is inserted into the key hole, the installation rod is rotated, the installation rod drives the driving disc 19 to rotate, the small protrusion is embedded in the corresponding groove, and the side rod 18 is provided, when the external personnel uses a tool to pick the lock, the driving disc 19 rotates, and the side rod 18 is pushed into the notch, at this time, the lock body 1 cannot be opened, and because the lock is not opened, the tool cannot be smoothly pulled out, and the purpose of preventing the trailer lock from being stolen is achieved.

[0029] The existing anti-theft trailer lock structure, the existing equipment is usually inconvenient to disassemble and install, and the applicability is not strong, and in the scheme, the utility model discloses a lock rod 12, which is used in cooperation with the lock body 1, and a sealing ring is arranged at the top of the lock rod 12, the sealing ring can block the water vapor in the air, so that rusting of the lock is prevented, the service life of the lock is improved, and the practicality of the device is improved.

[0030] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the utility model. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The basic principles, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the utility model, and various changes and improvements can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. An anti-theft trailer lock structure, characterized by: The utility model comprises a mounting plate (2), wherein the four corner positions of the mounting plate (2) are all provided with through holes, the side wall of the mounting plate (2) is provided with a trailer cover (21), the two sides of the trailer cover (21) are respectively provided with mounting grooves, and the apertures of the two mounting grooves are different, the trailer cover (21) is provided with a trailer assembly, the mounting groove is provided with a locking assembly, the locking assembly comprises a lock body (1), one end of the lock body (1) is symmetrically provided with two ball grooves, the two ball grooves are both provided with steel balls (14), and a block groove is provided on one side of the ball groove, and a top block (15) is provided in the block groove.

2. The anti-theft trailer lock structure according to claim 1, characterized in that: A rod groove is provided at one end of the lock body (1), a locking rod (12) is provided in the rod groove, a sealing ring is provided at the top end of the locking rod (12), a mounting head (13) is provided at the other end of the locking rod (12), and a mesh pattern is provided on the outer side wall of the mounting head (13).

3. The anti-theft trailer lock structure according to claim 2, characterized in that: The other end of the lock body (1) is provided with a lock head (11), the top end of the lock head (11) is provided with a keyhole, a groove is provided in the lock body (1), a mounting rod is provided in the groove, a top plate (16) is provided at the top end of the mounting rod, and a keyhole is provided through the mounting rod.

4. The anti-theft trailer lock structure according to claim 3, characterized in that: The outer wall of the top plate (16) is provided with a disc shell (17), a plurality of driving discs (19) are arranged in parallel in the disc shell (17), and a plurality of space discs are arranged in parallel in the disc shell (17), and the plurality of driving discs (19) and the plurality of space discs are arranged in a staggered manner, a small protrusion is provided on the outer side of the driving disc (19), a side rod (18) is provided on the top plate (16), a concave hole is opened on the driving disc (19) and the space disc, the rod diameter of the side rod (18) is matched with the hole diameter of the concave hole, and the outer side of the lock body (1) is provided with a mesh pattern.

5. The anti-theft trailer lock structure according to claim 4, characterized in that: The trailer assembly includes a trailer arm (22), the trailer arm (22) is inserted into the trailer cover (21), and the outer wall of the trailer arm (22) is provided with a mounting slot, the lock rod (12) is arranged to pass through the mounting slot with a smaller aperture, and the center of the lock body (1) is on the same straight line as the center point of another mounting slot.

6. The anti-theft trailer lock structure according to claim 5, characterized in that: The outer side wall of the trailer arm (22) is provided with a mounting cylinder (23), a pin shaft (24) is provided through the mounting cylinder (23), and a trailer hook (25) is rotatably provided on the pin shaft (24).

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