Locking pin for sliding rail of automobile seat

Abstract

The utility model relates to the technical field of automobile part metal plates, and discloses an automobile seat slide rail locking pin which comprises a lower slide rail, the top end of the lower slide rail is fixedly connected with a locking plate, the bottom end of the locking plate is fixedly connected with a locking groove, an upper slide rail is slidably connected between the lower slide rail and the locking plate, and the upper slide rail is fixedly connected with the locking groove. The upper sliding rail can move along the lower sliding rail, the top end of the upper sliding rail is fixedly connected with a shell, the top end of the shell is in threaded connection with a fixing pipe, a threaded groove is formed in the top of the fixing pipe, and the fixing pipe is in threaded connection with the shell through the threaded groove. When the pressing rod needs to be detached, the pressing rod is rotated, the rotating piece is aligned with the through hole, the positioning column is aligned with the through hole, then the pressing rod is pulled out upwards, detaching is completed, then the fixing pipe is screwed out from the top end of the shell in a rotating mode, and therefore rapid detaching and installing are achieved, the structure is simple, and detaching or installing is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal of automobile parts, and more specifically, to a locking pin for an automobile seat slide rail. Background Art

[0002] To ensure the convenience of riding in a car seat and to allow the seating space to be adjusted as needed, an upper rail, a lower rail, and an unlocking mechanism are provided at the bottom of the car seat. The unlocking mechanism is installed together with the upper rail, and is provided with a plurality of locking plates on the unlocking mechanism. The lower rail is provided with a plurality of locking grooves along its length. When the locking plates are inserted into the locking grooves, the seat rail is locked and the upper rail cannot slide. When the locking plates are lowered out of the locking grooves, the seat rail is unlocked and the upper rail can slide relative to the lower rail. However, in the prior art, the unlocking mechanism has a relatively complex structure and is inconvenient to install and disassemble. Utility Model Content

[0003] The purpose of the present utility model is to provide a locking pin for a car seat slide rail, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned object, the present invention provides the following technical solution: a car seat slide rail locking pin, comprising a lower slide rail, a locking plate fixedly connected to the top end of the lower slide rail, a locking groove fixedly connected to the bottom end of the locking plate, an upper slide rail slidably connected between the lower slide rail and the locking plate, the upper slide rail being able to move along the lower slide rail, and a housing fixedly connected to the top end of the upper slide rail;

[0005] The top end of the shell is threadedly connected to a fixing tube, the top of the fixing tube is provided with a threaded groove, the fixing tube is threadedly connected to the shell through the threaded groove, the inner cavity of the fixing tube is provided with a mounting cavity, the bottom end of the inner cavity of the mounting cavity is placed with a circular plate, the top end of the circular plate is fixedly connected to a return spring, the top end of the return spring is fixedly connected to a pressing rod, the bottom end of the pressing rod is fixedly connected to a pressing head, the left and right sides of the pressing head are fixedly connected to positioning columns, through holes are provided on the front and back sides of the inner cavity of the fixing tube, the pressing rod can move up and down along the mounting cavity, and the bottom end of the fixing tube is provided with a locking groove;

[0006] The beneficial effect of adopting the above technical solution is that: in the locked state, the lower pressing piece drives the locking piece to be clamped into the inner cavity of the locking groove through the elasticity of the coil spring rod, and the upper slide rail and the shell are fixed by the clamping connection between the locking piece and the locking groove. When it is necessary to unlock, the pressing rod is pressed to drive the lower pressing head to descend, and the pressing piece is pressed to make the locking piece descend and leave the inner cavity of the locking groove, thereby unlocking, and then the upper slide rail and the shell are slid. When it is necessary to lock again, the pressing rod is released, and the pressing rod is driven to rise by the elasticity of the return spring. , and then drive the lower pressure head to rise and separate from the lower pressure piece, and the elasticity of the coil spring rod drives the lower pressure piece to rise, so that the locking piece enters the inner cavity of the locking groove, fixing the position of the upper slide rail and the shell. When the pressing rod needs to be removed, the pressing rod is rotated so that the rotating piece is aligned with the through hole, so that the positioning column is aligned with the through hole, and then the pressing rod is pulled out upward to complete the disassembly, and then the fixing tube is rotated and unscrewed from the top of the shell, thereby realizing quick disassembly and installation, and the structure is simple and easy to disassemble or install.

[0007] As a further improvement of the present invention, the top end of the housing is fixedly connected to a refueling pipe, and the bottom end of the refueling pipe is fixedly connected to a diverter pipe;

[0008] The beneficial effect of adopting the above technical solution is: by adding lubricating oil from the filling pipe during long-term use, and then the lubricating oil flows from the diversion pipe to the locking plate, the surface of the locking plate and the inner cavity of the locking groove are lubricated, thereby preventing the locking plate and the locking groove from getting stuck when the locking plate enters and exits the locking groove.

[0009] As a further improvement of the present invention, the top and bottom ends of the upper slide rail are in contact with the bottom of the locking plate and the top of the lower slide rail respectively, and the front and rear sides of the housing are both in contact with the locking plate;

[0010] The beneficial effect of adopting the above technical solution is: the upper slide rail is limited by the lower slide rail and the locking plate, and the locking plate limits the shell, so that the upper slide rail and the shell can slide stably above the lower slide rail.

[0011] As a further improvement of the present invention, the inner cavity of the shell is provided with a coil spring rod, the surface of the coil spring rod is provided with a pressing piece, and the front and rear sides of the pressing piece are fixedly connected with locking plates;

[0012] The beneficial effect of adopting the above technical solution is: through the elasticity of the coil spring rod, the pressing piece can be pushed up, and then the locking plate can be inserted into the inner cavity of the locking groove, thereby fixing the position of the pressing piece and then fixing the housing.

[0013] As a further improvement of the present invention, a protective pad is fixedly connected to the inner cavity of the locking groove, and there are a plurality of locking grooves, all of which are opened at the bottom end of the locking plate;

[0014] The beneficial effect of adopting the above technical solution is that the protective pad in the inner cavity of the locking groove can protect the locking groove and prevent the locking groove from being pressed and damaged by the installation cavity.

[0015] As a further improvement of the present invention, the lock slot is located below the through hole, the positioning column is fitted with the top of the inner cavity of the lock slot, and the pressing head passes through the circular plate and is fixedly connected to the pressing rod;

[0016] The beneficial effect of adopting the above technical solution is: by fitting the positioning column with the top end of the lock slot cavity, the positioning column can be blocked by the lock slot, thereby realizing the installation and fixation of the pressing rod, and then the pressing head is fixedly connected to the pressing rod through the circular plate, so that the bottom end of the reset spring can be fixed, so that the reset spring can generate a thrust on the pressing rod.

[0017] As a further improvement of the present invention, the top end of the pressing rod is fixedly connected to a rotating piece, and the installation direction of the rotating piece is the same as that of the positioning column;

[0018] The beneficial effect of adopting the above technical solution is: by making the rotating piece at the top of the pressing rod have the same installation direction as the positioning column, the user can rotate the rotating piece when disassembling the pressing rod so that the rotating piece is in the same direction as the through hole, and rotate the positioning column to the inner cavity of the through hole, so that the downward pressure head can move upward.

[0019] As a further improvement of the present invention, the top end of the refueling pipe is conical, and the bottom end of the diverter pipe is located above the locking plate;

[0020] The beneficial effect of adopting the above technical solution is: because the top end of the filler pipe is conical, lubricating oil can be added to the inner cavity of the filler pipe, and then diverted to the top of the locking plate through the diversion pipe, so that the locking plate can be lubricated. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the connection of the locking plate structure of the utility model;

[0023] Figure 3 This is a schematic diagram of the connection of the slide rails on the structure of the utility model;

[0024] Figure 4 This is a schematic diagram of the fixed pipe connection structure of the utility model;

[0025] Figure 5 This is a schematic diagram of the circular plate connection structure of the utility model.

[0026] In the figure: 1. Lower slide rail; 2. Locking plate; 3. Locking groove; 4. Protective pad; 5. Upper slide rail; 6. Housing; 7. Fixing tube; 8. Threaded groove; 9. Mounting cavity; 10. Round plate; 11. Return spring; 12. Pressing rod; 13. Pressing head; 14. Positioning column; 15. Through hole; 16. Rotating plate; 17. Coil spring rod; 18. Pressing piece; 19. Locking plate; 20. Fueling pipe; 21. Diverter pipe; 22. Locking groove. DETAILED DESCRIPTION

[0027] The following will be combined with the 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.

[0028] like Figures 1 to 5 As shown, the utility model provides a car seat slide rail locking pin, comprising a lower rail 1, a locking plate 2 fixedly connected to the top end of the lower rail 1, a locking groove 3 fixedly connected to the bottom end of the locking plate 2, an upper rail 5 slidably connected between the lower rail 1 and the locking plate 2, the upper rail 5 can move along the lower rail 1, and a housing 6 fixedly connected to the top end of the upper rail 5;

[0029] The top of the shell 6 is threadedly connected to a fixing tube 7, and a threaded groove 8 is provided on the top of the fixing tube 7. The fixing tube 7 is threadedly connected to the shell 6 through the threaded groove 8. The inner cavity of the fixing tube 7 is provided with a mounting cavity 9. A circular plate 10 is placed at the bottom end of the inner cavity of the mounting cavity 9. The top of the circular plate 10 is fixedly connected to a return spring 11, and the top of the return spring 11 is fixedly connected to a pressing rod 12. The bottom end of the pressing rod 12 is fixedly connected to a pressing head 13. The left and right sides of the pressing head 13 are fixedly connected to positioning columns 14. Through holes 15 are provided on the front and back sides of the inner cavity of the fixing tube 7. The pressing rod 12 can move up and down along the mounting cavity 9. A locking groove 22 is provided at the bottom end of the fixing tube 7.

[0030] The beneficial effects of adopting the above technical solution are as follows: in the locked state, the lower pressing member 18 drives the locking plate 19 to be clamped into the inner cavity of the locking groove 3 through the elasticity of the coil spring rod 17, and the upper slide rail 5 and the shell 6 are fixed by the clamping connection between the locking plate 19 and the locking groove 3. When it is necessary to unlock, the pressing rod 12 is pressed to drive the lower pressing head 13 to descend, pressing the lower pressing member 18, so that the locking plate 19 descends and leaves the inner cavity of the locking groove 3, thereby unlocking, and then sliding the upper slide rail 5 and the shell 6. When it is necessary to lock again, the pressing rod 12 is released, and the pressing rod 12 is driven to rise by the elasticity of the return spring 11. , and then drive the pressing head 13 to rise and separate from the pressing piece 18, and the elasticity of the coil spring rod 17 drives the pressing piece 18 to rise, so that the locking piece 19 enters the inner cavity of the locking groove 3, and fixes the position of the upper slide rail 5 and the shell 6. When it is necessary to remove the pressing rod 12, rotate the pressing rod 12 so that the rotating piece 16 is aligned with the through hole 15, so that the positioning column 14 is aligned with the through hole 15, and then pull the pressing rod 12 upward to complete the disassembly, and then rotate and unscrew the fixing tube 7 from the top of the shell 6, thereby realizing quick disassembly and installation, and the structure is simple and easy to disassemble or install.

[0031] In one embodiment of the present invention, the top end of the housing 6 is fixedly connected to a refueling pipe 20 , and the bottom end of the refueling pipe 20 is fixedly connected to a diverter pipe 21 ;

[0032] The beneficial effect of adopting the above technical solution is: during long-term use, lubricating oil is added from the filling pipe 20, and then the lubricating oil flows from the diversion pipe 21 to the locking plate 19, thereby lubricating the surface of the locking plate 19 and the inner cavity of the locking groove 3, thereby preventing the locking plate 19 from getting stuck between the locking plate 19 and the locking groove 3 when the locking plate 19 enters and exits the locking groove 3.

[0033] In one embodiment of the present invention, the top and bottom ends of the upper slide rail 5 are in contact with the bottom of the locking plate 2 and the top of the lower slide rail 1 respectively, and the front and rear sides of the housing 6 are in contact with the locking plate 2;

[0034] The beneficial effect of adopting the above technical solution is: the upper slide rail 5 is limited by the lower slide rail 1 and the locking plate 2, and the locking plate 2 limits the shell 6, so that the upper slide rail 5 and the shell 6 can slide stably above the lower slide rail 1.

[0035] In one embodiment of the present invention, a coil spring rod 17 is provided in the inner cavity of the housing 6, a pressing member 18 is provided on the surface of the coil spring rod 17, and locking plates 19 are fixedly connected to the front and rear sides of the pressing member 18;

[0036] The beneficial effect of adopting the above technical solution is: through the elasticity of the coil spring rod 17, the pressing piece 18 can be pushed up, and then the locking plate 19 can be inserted into the inner cavity of the locking groove 3, fixing the position of the pressing piece 18 and then fixing the shell 6.

[0037] In one embodiment of the present invention, a protective pad 4 is fixedly connected to the inner cavity of the locking groove 3. There are multiple locking grooves 3, and the multiple locking grooves 3 are all opened at the bottom end of the locking plate 2;

[0038] The beneficial effect of adopting the above technical solution is: through the protective pad 4 in the inner cavity of the locking groove 3, the protective pad 4 can protect the locking groove 3 and prevent the locking groove 3 from being pressed and damaged by the installation cavity 9.

[0039] In one embodiment of the present invention, the lock slot 22 is located below the through hole 15, the positioning column 14 is in contact with the top of the inner cavity of the lock slot 22, and the pressing head 13 passes through the circular plate 10 and is fixedly connected to the pressing rod 12;

[0040] The beneficial effect of adopting the above technical solution is: by fitting the positioning column 14 with the top end of the inner cavity of the lock groove 22, the positioning column 14 can be blocked by the lock groove 22, thereby realizing the installation and fixation of the pressing rod 12, and then the pressing head 13 passes through the circular plate 10 and is fixedly connected to the pressing rod 12, so that the bottom end of the reset spring 11 can be fixed, so that the reset spring 11 can generate a thrust on the pressing rod 12.

[0041] In one embodiment of the present invention, a rotating piece 16 is fixedly connected to the top end of the pressing rod 12 , and the rotating piece 16 and the positioning column 14 are installed in the same direction;

[0042] The beneficial effect of adopting the above technical solution is: by making the rotating piece 16 at the top of the pressing rod 12 have the same installation direction as the positioning column 14, the user can rotate the rotating piece 16 when disassembling the pressing rod 12 so that the rotating piece 16 is in the same direction as the through hole 15, and rotate the positioning column 14 to the inner cavity of the through hole 15, so that the pressing head 13 can move upward.

[0043] In one embodiment of the present invention, the top end of the refueling pipe 20 is conical, and the bottom end of the diverter pipe 21 is located above the locking plate 19;

[0044] The beneficial effect of adopting the above technical solution is: because the top end of the filler pipe 20 is conical, lubricating oil can be added to the inner cavity of the filler pipe 20, and then diverted to the top of the locking plate 19 through the diverter pipe 21, so that the locking plate 19 can be lubricated.

[0045] The working principle and usage process of the utility model are as follows: the fixing tube 7 is screwed to the top of the housing 6 through the thread groove 8, and then the positioning column 14 is aligned with the through hole 15 and inserted into the inner cavity of the fixing tube 7, and then the pressing rod 12 is rotated to make the positioning column 14 enter the locking groove 22;

[0046] When in use, the locking pieces 19 on both sides of the pressing piece 18 are driven by the elasticity of the coil spring rod 17 to insert into the inner cavity of the locking groove 3 and contact the protective pad 4, thereby locking the position of the upper slide rail 5 and the shell 6. When it is necessary to unlock the upper slide rail 5 and the shell 6, the pressing rod 12 is pressed downward, thereby driving the pressing head 13 to press the pressing piece 18 downward, thereby driving the locking piece 19 to slide downward, so that the locking piece 19 moves out of the inner cavity of the locking groove 3, thereby allowing the upper slide rail 5 and the shell 6 to slide. When locking is required, the pressing rod 12 is released. At this time, the pushing force of the return spring 11 drives the pressing head 13 at the bottom end of the pressing rod 12 to move upward, so that the pressing piece 18 is separated from the pressing head 13. At this time, the pressing piece 18 is driven upward by the coil spring rod 17, and then the locking piece 19 is inserted into the inner cavity of the locking groove 3 to re-lock the shell 6.

[0047] After long-term use, lubricating oil is poured in from the filling pipe 20 and then dispersed from the diverter pipe 21 to the surface of the locking plate 19 through the filling pipe 20, thereby lubricating the locking plate 19.

[0048] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0049] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Car seat slide rail locking pin, characterized in that: include: A lower slide rail, the top end of the lower slide rail is fixedly connected to a locking plate, the bottom end of the locking plate is fixedly connected to a locking groove, an upper slide rail is slidably connected between the lower slide rail and the locking plate, the upper slide rail can move along the lower slide rail, and the top end of the upper slide rail is fixedly connected to a shell; The top of the shell is threadedly connected to a fixing tube, the top of the fixing tube is provided with a threaded groove, the fixing tube is threadedly connected to the shell through the threaded groove, the inner cavity of the fixing tube is provided with a mounting cavity, the bottom end of the inner cavity of the mounting cavity is placed with a circular plate, the top of the circular plate is fixedly connected to a reset spring, the top of the reset spring is fixedly connected to a pressing rod, the bottom end of the pressing rod is fixedly connected to a pressing head, the left and right sides of the pressing head are fixedly connected with positioning columns, through holes are provided on the front and back sides of the inner cavity of the fixing tube, the pressing rod can move up and down along the mounting cavity, and the bottom end of the fixing tube is provided with a locking groove.

2. The automobile seat slide rail locking pin according to claim 1, characterized in that: The top end of the shell is fixedly connected with a refueling pipe, and the bottom end of the refueling pipe is fixedly connected with a diverter pipe.

3. The automobile seat slide rail locking pin according to claim 1, characterized in that: The top and bottom ends of the upper slide rail are in contact with the bottom of the locking plate and the top of the lower slide rail respectively, and the front and rear sides of the shell are both in contact with the locking plate.

4. The automobile seat slide rail locking pin according to claim 1, characterized in that: The inner cavity of the shell is provided with a coil spring rod, the surface of the coil spring rod is provided with a pressing piece, and the front and rear sides of the pressing piece are fixedly connected with locking plates.

5. The automobile seat slide rail locking pin according to claim 1, characterized in that: The inner cavity of the locking groove is fixedly connected with a protective pad. There are a plurality of locking grooves, and the plurality of locking grooves are all opened at the bottom end of the locking plate.

6. The automobile seat slide rail locking pin according to claim 1, characterized in that: The locking groove is located below the through hole, the positioning column is fitted with the top of the inner cavity of the locking groove, and the pressing head passes through the circular plate and is fixedly connected to the pressing rod.

7. The automobile seat slide rail locking pin according to claim 1, characterized in that: The top end of the pressing rod is fixedly connected with a rotating piece, and the installation direction of the rotating piece is the same as that of the positioning column.

8. The automobile seat slide rail locking pin according to claim 2, characterized in that: The top end of the refueling pipe is conical, and the bottom end of the diverter pipe is located above the locking plate.

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