Self-locking buckle for automobile

Abstract

The utility model relates to the technical field of automobile parts, and provides a self-locking buckle for an automobile, which comprises a lock column, a lock hole, a lock sleeve, a mounting hole and a pull rod, the lock hole is sequentially arranged on the outer side wall of the lock column from bottom to top, the lock sleeve is sleeved on the outer side wall of the lock column, the mounting hole is arranged on the inner side wall of the lock sleeve, and the pull rod movably penetrates through the outer side wall of the lock sleeve. A lock column is inserted into a hole site of an automobile part in a penetrating mode, after the lock column is inserted, a lock sleeve is arranged at the bottom end of the lock column in a sleeving mode, the automobile part is located between the lock column and the lock sleeve, a hand holds a holding block to pull a pull rod outwards, a first spring is pulled to contract, a conical lock block is stored in a mounting hole, the lock sleeve is pushed, and the lock sleeve is pulled to slide on the lock column; and when the automobile part slides to the position for fixing the lock hole, the handheld block is manually loosened, and the conical lock block is inserted into the lock hole under the springback of the first spring, so that the purpose of self-locking, clamping and fixing of the automobile part is achieved, and the installed automobile part is effectively mounted, dismounted and maintained in the later period.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, and in particular relates to a self-locking buckle for automobiles. Background Art

[0002] The snap-on process of automotive buckles is a convenient, fast and economical assembly method. It mainly forms specific constraints on parts through the joint action of positioning functions and locking functions integrated on or separated from the parts to complete the connection between the parts. The locking functions will deform during the assembly process and then return to their original position to form a lock and provide retention force.

[0003] Known Chinese publicly authorized utility models: (application number: 201920201192.0) discloses a self-locking buckle for automobiles, in which the clamping head body and the clamping seat of the clamping head are injection molded in an integrated mold, and the front edge of the clamping head body is connected to the clamping seat hole of the clamping seat by a thread, which can be easily torn off. When demolding, a mechanism on the mold pushes the clamping head body a little toward the clamping seat. Since the two are tightly fitted, the clamping head body and the clamping seat become matching parts that are easy to transport; when using the utility model, the user aligns the preliminarily connected clamping head body and the clamping seat with the fixing hole of the fixed part and inserts them. After the clamping seat is fully inserted, the clamping head body is pressed in to prop open the clamping seat pin to complete the fixation and self-locking; the utility model is easy to use, firmly fixed and has low cost.

[0004] However, in the implementation of relevant technologies, it was found that the above-mentioned self-locking buckle for automobiles has the following problems: during use, the prior art is not convenient for self-locking installation and disassembly of automobile parts, which makes subsequent maintenance and replacement inconvenient, and it is difficult to seal the gap between the automobile parts and the self-locking buckle, resulting in corrosion caused by the entry of external water, thereby reducing the stability of the fixation of the automobile parts. Therefore, a self-locking buckle for automobiles is proposed. Utility Model Content

[0005] The utility model provides a self-locking buckle for automobiles, which solves the problems in the related art that it is inconvenient to install and disassemble automobile parts by self-locking, resulting in inconvenience in later repair and replacement, and it is difficult to seal the gap between the automobile parts and the self-locking buckle, resulting in corrosion caused by the entry of external water, thereby reducing the stability of the fixation of the automobile parts.

[0006] The technical scheme of the utility model is as follows: a self-locking buckle for automobiles, comprising: a lock column, a lock hole arranged on the outer wall of the lock column from bottom to top, a lock sleeve sleeved on the outer wall of the lock column, a mounting hole arranged on the inner wall of the lock sleeve, a pull rod movably passing through the outer wall of the lock sleeve, a conical lock block fixedly connected to one end of the pull rod and located inside the mounting hole, and a spring sleeved on the outer wall of the pull rod and located inside the mounting hole, the two ends of the spring are respectively fixedly connected to one side of the conical lock block and the inner wall of the mounting hole, and the end of the pull rod located outside the lock sleeve is fixedly connected to a hand-held block;

[0007] A sealing mechanism is sleeved on the outer side wall of the lock column and is used for squeezing and sealing the gap between the lock sleeve and the automobile part.

[0008] Preferably, the sealing mechanism includes a sleeve and a shell respectively sleeved on the outer side wall of the lock column, the shell and the sleeve are sleeved with each other, and a plurality of springs 2 are fixedly installed in a circular array between the shell and the sleeve, the top ends of the plurality of springs 2 are fixedly connected to the inner top wall of the shell, and the lower ends of the plurality of springs 2 are fixedly connected to the top end of the sleeve.

[0009] Preferably, a circular clamping ring is fixedly mounted on the bottom of the sleeve, a circular clamping groove is formed on the top of the locking sleeve, and the circular clamping groove is clamped with the circular clamping ring.

[0010] Preferably, a circular mounting groove is formed at the top of the housing, a sealing ring is embedded in the circular mounting groove and is used to contact the bottom of the automobile part.

[0011] Preferably, a circular block is fixedly mounted on the top of the locking column, and a flat-mouth wrench slot is provided on the top of the circular block.

[0012] Preferably, a circular mounting groove 2 is provided at the bottom end of the circular block, a sealing ring 2 is embedded inside the circular mounting groove 2 and is used to contact the top of the automobile part, and a plurality of anti-slip protrusions are formed in a circular array at the bottom end of the circular block, and the plurality of anti-slip protrusions are located on the outside of the circular mounting groove 2.

[0013] The working principle and beneficial effects of the utility model are:

[0014] 1. Insert the lock cylinder into the hole of the auto part. After insertion, put the lock sleeve on the bottom end of the lock cylinder so that the auto part is located between the lock cylinder and the lock sleeve. Hold the handle block and pull the pull rod outward to pull the spring 1 to shrink, so that the conical lock block is retracted into the inside of the installation hole. Push the lock sleeve and pull the lock sleeve to slide on the lock cylinder. When it slides to the position of the fixed lock hole, manually release the handle block. Under the rebound of the spring 1, the conical lock block is inserted into the inside of the lock hole, thereby achieving the purpose of self-locking and fixing of the auto part, and effectively installing and disassembling the installed auto parts, as well as repairing and replacing them at a later time.

[0015] 2. When the automobile parts are locked in self-locking, there will be a certain gap between the lock sleeve and the automobile parts. The sleeve and the sleeve shell are mounted on the lock column, and then the lock sleeve is mounted so that the circular clamping ring is inserted into the inside of the circular clamping groove. The lock sleeve contacts the bottom of the sleeve. Under the contraction of the spring, the linkage sleeve shell slides on the sleeve so that the top of the sealing ring 1 contacts the bottom of the automobile parts, which is used to seal the gap between the lock sleeve and the automobile parts, effectively preventing external water from entering and causing corrosion, thereby improving the stability of the fixation of the automobile parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional three-dimensional structure of the lock cylinder proposed in the utility model;

[0019] Figure 3 The utility model proposes Figure 2 A in the figure is an enlarged schematic diagram of the three-dimensional structure;

[0020] Figure 4 The utility model proposes Figure 2 A schematic diagram of the three-dimensional structure is enlarged at B in FIG.

[0021] In the figure: 1. lock cylinder; 2. lock hole; 3. lock sleeve; 4. mounting hole; 5. pull rod; 6. spring 1; 7. conical lock block; 8. sealing mechanism; 9. circular clamping ring; 10. circular clamping groove; 11. circular mounting groove 1; 12. sealing ring 1; 13. circular block; 14. flat spanner groove; 15. circular mounting groove 2; 16. sealing ring 2; 17. anti-slip bump; 81. sleeve; 82. sleeve; 83. spring 2. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1

[0024] See also Figure 1 - Figure 4 A self-locking buckle for automobiles, comprising: a lock column 1, a lock hole 2 arranged on the outer wall of the lock column 1 from bottom to top, a lock sleeve 3 sleeved on the outer wall of the lock column 1, a mounting hole 4 arranged on the inner wall of the lock sleeve 3, a pull rod 5 movably passing through the outer wall of the lock sleeve 3, a conical lock block 7 fixedly connected to one end of the pull rod 5 and located inside the mounting hole 4, and a spring 6 sleeved on the outer wall of the pull rod 5 and located inside the mounting hole 4, the two ends of the spring 6 are respectively fixedly connected to one side of the conical lock block 7 and the inner wall of the mounting hole 4, and the end of the pull rod 5 located outside the lock sleeve 3 is fixedly connected with a hand-held block;

[0025] The utility model provides a self-locking buckle for automobiles. The locking column 1 is inserted into the hole of the automobile part. After the insertion, the locking sleeve 3 is put on the bottom end of the locking column 1, so that the automobile part is located between the locking column 1 and the locking sleeve 3. The pulling rod 5 is pulled outward by holding the hand holding block, and the spring 1 6 is pulled to shrink, so that the conical locking block 7 is received in the installation hole 4, and the locking sleeve 3 is pushed and pulled to slide on the locking column 1. When the locking sleeve 3 slides to the position of the fixed locking hole 2, the hand holding block is manually released. Under the rebound of the spring 1 6, the conical locking block 7 is inserted into the locking hole 2, thereby realizing the purpose of self-locking and fixing the automobile part, and effectively installing and disassembling the installed automobile part, as well as repairing and replacing it at a later time.

[0026] Furthermore, a circular block 13 is fixedly installed on the top of the lock column 1, a flat-neck wrench groove 14 is provided on the top of the circular block 13, a circular mounting groove 15 is provided on the bottom of the circular block 13, a sealing ring 16 is embedded inside the circular mounting groove 15, and is used to contact the top of the automobile part, and a plurality of anti-skid protrusions 17 are formed in a circular array at the bottom end of the circular block 13, and the plurality of anti-skid protrusions 17 are located on the outside of the circular mounting groove 15.

[0027] Specifically, a flat spanner groove 14 is provided on the top of the circular block 13 to press and fix the lock column 1 with a flat spanner, so as to prevent the lock column 1 from tilting when the lock sleeve 3 is installed, thereby improving the stability of the lock column 1 when inserted into the hole of the automobile part;

[0028] By providing a circular mounting groove 15 at the bottom end of the circular block 13 for embedding a sealing ring 16, the gap between the bottom of the circular block 13 and the top of the automobile part is effectively sealed, effectively preventing external water from entering, thereby improving the firmness of the lock column 1 and the automobile part.

[0029] A plurality of anti-skid protrusions 17 are formed in a circular array at the bottom of the circular block 13 to prevent side sliding when the bottom of the circular block 13 contacts the top of the automobile part, thereby improving the stability of the lock column 1 during installation.

[0030] Embodiment 2

[0031] Based on the first embodiment, the present embodiment includes: a sealing mechanism 8 sleeved on the outer wall of the lock column 1 for squeezing and sealing the gap between the lock sleeve 3 and the automobile part, the sealing mechanism 8 includes a sleeve 81 and a sleeve shell 82 respectively sleeved on the outer wall of the lock column 1, the sleeve shell 82 and the sleeve 81 are sleeved, and a plurality of springs 83 are fixedly installed in a circular array between the sleeve shell 82 and the sleeve 81, the top ends of the plurality of springs 83 are fixedly connected to the inner top wall of the sleeve shell 82, and the lower ends of the plurality of springs 83 are fixedly connected to the top of the sleeve 81, and a circular clamping ring 9 is fixedly installed at the bottom of the sleeve 81, a circular clamping groove 10 is provided at the top of the lock sleeve 3, and the circular clamping groove 10 is clamped with the circular clamping ring 9, and a circular installation groove 11 is provided at the top of the sleeve shell 82, and a sealing ring 12 is embedded in the circular installation groove 11 and is used to contact the bottom of the automobile part.

[0032] The technical solution provided by this embodiment is as follows: when the lock sleeve 3 cooperates with the lock column 1 to self-lock with the automobile part, there will be a certain gap between the lock sleeve 3 and the automobile part. The sleeve 81 and the sleeve shell 82 are sleeved on the lock column 1, and the lock sleeve 3 is sleeved so that the circular clamping ring 9 is inserted into the inside of the circular clamping groove 10. The lock sleeve 3 contacts the bottom of the sleeve 81. Under the contraction of the spring, the linkage sleeve shell 82 slides on the sleeve 81, so that the top of the sealing ring 12 is in conflict with the bottom of the automobile part, which is used to seal the gap between the lock sleeve 3 and the automobile part, effectively preventing external water from entering and causing corrosion, thereby improving the stability of the fixation of the automobile part.

[0033] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A self-locking buckle for automobile, characterized in that: include: A lock column (1), a lock hole (2) provided on the outer wall of the lock column (1) in sequence from bottom to top, a lock sleeve (3) sleeved on the outer wall of the lock column (1), a mounting hole (4) provided on the inner wall of the lock sleeve (3), a pull rod (5) movably passing through the outer wall of the lock sleeve (3), a conical lock block (7) fixedly connected to one end of the pull rod (5) and located inside the mounting hole (4), and a spring (6) sleeved on the outer wall of the pull rod (5) and located inside the mounting hole (4), the two ends of the spring (6) are respectively fixedly connected to one side of the conical lock block (7) and the inner wall of the mounting hole (4), and the end of the pull rod (5) located outside the lock sleeve (3) is fixedly connected to a hand-held block; A sealing mechanism (8) is sleeved on the outer side wall of the lock column (1) and is used for squeezing and sealing the gap between the lock sleeve (3) and the automobile part.

2. A self-locking buckle for automobile according to claim 1, characterized in that: The sealing mechanism (8) comprises a sleeve (81) and a sleeve shell (82) respectively sleeved on the outer side wall of the locking column (1), the sleeve shell (82) and the sleeve (81) being sleeved with each other, and a plurality of springs (83) are fixedly installed in a circular array in sequence between the sleeve shell (82) and the sleeve (81), the top ends of the plurality of springs (83) are fixedly connected to the inner top wall of the sleeve shell (82), and the lower ends of the plurality of springs (83) are fixedly connected to the top end of the sleeve (81).

3. The self-locking buckle for automobile according to claim 2, characterized in that: A circular clamping ring (9) is fixedly mounted on the bottom of the sleeve (81), and a circular clamping groove (10) is provided on the top of the locking sleeve (3), wherein the circular clamping groove (10) is clamped with the circular clamping ring (9).

4. The self-locking buckle for automobile according to claim 2, characterized in that: A circular mounting groove (11) is provided at the top of the sleeve (82), and a sealing ring (12) is embedded in the circular mounting groove (11) and is used to contact the bottom of the automobile part.

5. The self-locking buckle for automobile according to claim 1, characterized in that: A circular block (13) is fixedly mounted on the top of the locking column (1), and a flat-mouth spanner groove (14) is provided on the top of the circular block (13).

6. The self-locking buckle for automobile according to claim 5, characterized in that: A second circular mounting groove (15) is provided at the bottom end of the circular block (13), a second sealing ring (16) is embedded inside the second circular mounting groove (15) and is used to contact the top of the automobile part, and a plurality of anti-skid protrusions (17) are integrally formed in a circular array at the bottom end of the circular block (13), and the plurality of anti-skid protrusions (17) are located outside the second circular mounting groove (15).

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