Lock pin seat

Abstract

The utility model belongs to the technical field of lock pin seats, and particularly relates to a lock pin seat which is characterized in that a pin seat hole is formed in the middle of the upper surface of a seat body, a lock pin is arranged in the pin seat hole in a penetrating mode, the seat body is used for fixing and supporting the lock pin and preventing the lock pin from moving or falling off under the action of external force, and the outer surface of the seat body is coated with a DLC coating. The DLC coating has the high hardness of diamond and the lubricity of graphite, is an amorphous coating film composed of carbon and hydrogen, has good wear resistance and lubricity, and has electrical insulation, chemical stability and light permeability, and a plated film can cover iron or non-iron metal, plastic and ceramic, so that the service life of the DLC coating is prolonged, and the service life of the DLC coating is prolonged. And the outer surface of the seat body is coated with the DLC coating, so that the wear resistance and the service life of the whole seat body are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lock pin seats, and in particular relates to a lock pin seat. Background Art

[0002] The lock pin seat is part of the lock pin system, supporting and securing the pin, ensuring it can correctly and stably connect and secure. The design of the lock pin seat typically takes into account the size, shape, and application requirements of the lock pin to ensure it is securely installed in the desired position. However, existing lock pin seats suffer from poor wear resistance and a short service life. Utility Model Content

[0003] The purpose of the present invention is to provide a lock pin seat in order to solve the problems mentioned above in the background technology.

[0004] In view of this, the utility model provides a lock pin seat, comprising a seat body, wherein a pin seat hole is opened in the middle of the upper surface of the seat body;

[0005] A lock pin is provided through the pin seat hole;

[0006] The outer surface of the seat body is coated with a DLC coating.

[0007] In the above technical solution, further comprising:

[0008] Limiting components are symmetrically arranged on the outer surfaces of both ends of the seat body.

[0009] In the above technical solution, further, the limiting component includes:

[0010] An annular groove is provided on the inner side wall of the seat body;

[0011] Arc plate, the arc plate is arranged on the annular groove;

[0012] A slide groove is provided on the seat body and communicates with the annular groove;

[0013] A sleeve is slidably connected to the slide groove and fixedly connected to the arc plate;

[0014] The spring is arranged in the annular groove and sleeved on the outer end of the sleeve. One end of the spring abuts against the arc plate, and the other end abuts against the inner wall of the annular groove.

[0015] In the above technical solution, further, the limiting component also includes:

[0016] A limit block is installed on the top of the sleeve;

[0017] A slider is arranged inside the sleeve and has a clearance fit therewith;

[0018] A mounting hole is provided on the outer wall of the seat body and communicates with the slide groove;

[0019] The sliding rod is rotatably connected to the limit block and the mounting hole, and the sliding rod is fixedly connected to the slider.

[0020] In the above technical solution, further, the limiting component also includes:

[0021] A clamping block, the clamping block is fixedly connected to an end of the slide rod away from the slide block;

[0022] Abutment blocks, which are installed at both ends of the clamping block;

[0023] A fixing block is provided on the outer side wall of the base body and is located on both sides of the mounting hole;

[0024] The abutment groove is arranged on one end of the fixing block away from the seat body, and the abutment block is matched with the abutment groove.

[0025] In the above technical solution, further, a first limiting ring is fixedly installed inside the pin seat hole, and a second limiting ring is fixedly installed on the outer wall of one end of the locking pin.

[0026] In the above technical solution, further, an oil filling nozzle is provided on the outer wall of the seat body, an oil inlet channel is provided in the seat body, one end of the channel is connected to the annular groove, and the other end is connected to the oil filling nozzle, and a rubber plug is installed on the oil filling nozzle.

[0027] In the above technical solution, further, a plurality of protective chamfers are provided on the seat body.

[0028] The beneficial effects of the utility model are:

[0029] 1. The DLC coating on the outer surface of the seat greatly improves the wear resistance and service life of the seat.

[0030] 2. The outer surfaces of both ends of the seat body are symmetrically provided with limit assemblies, and the position of the lock pin is fixed and limited by the limit assemblies.

[0031] 3. An oiling nozzle is provided on the outer wall of the seat body for oiling. An oil inlet channel is provided in the seat body with one end communicating with the annular groove and the other end communicating with the oiling nozzle. Lubricating oil can be injected into the oil inlet channel from the oiling nozzle, thereby entering the annular groove to lubricate the seat body and the lock pin. A rubber plug is installed on the oiling nozzle to seal the oiling nozzle to prevent the loss of lubricating oil and prevent dust and impurities from entering. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a structural diagram of the utility model;

[0033] Figure 2 It is a schematic diagram of the structure of the utility model when it is installed;

[0034] Figure 3 It is a schematic diagram of the structure of the utility model when disassembled;

[0035] Figure 4 It is a cross-sectional view of the utility model when installed;

[0036] Figure 5 This utility model Figure 4 A partial enlarged view of point A in the middle;

[0037] Figure 6 It is a cross-sectional view of the utility model when disassembled;

[0038] Figure 7 This utility model Figure 6 A partial enlarged view of point B in the middle;

[0039] Figure 8 This is a schematic diagram of the seat structure of the utility model;

[0040] The marks in the figure are: 1-seat body, 2-pin seat hole, 3-locking pin, 4-ring groove, 5-arc plate, 6-slide groove, 7-sleeve, 8-spring, 9-limiting block, 10-slider, 11-mounting hole, 12-slide rod, 13-block, 14-abutment block, 15-fixed block, 16-abutment groove, 17-first limiting ring, 18-second limiting ring, 19-oil filling nozzle, 20-oil inlet channel, 21-rubber plug. DETAILED DESCRIPTION

[0041] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0042] Example 1:

[0043] This embodiment provides a lock pin seat, comprising:

[0044] The seat body 1 has a pin seat hole 2 formed in the middle of the upper surface of the seat body 1;

[0045] Lock pin 3, a lock pin 3 is provided through the pin seat hole 2;

[0046] The outer surface of the base body 1 is coated with a DLC coating.

[0047] It can be seen from this embodiment that a pin seat hole 2 is opened in the middle of the upper surface of the base body 1, and a lock pin 3 is provided through the pin seat hole 2. The base body 1 is used to fix and support the lock pin 3 to prevent the lock pin 3 from moving or falling off when subjected to external force. The outer surface of the base body 1 is coated with a DLC coating. The DLC coating has both the high hardness of diamond and the lubricity of graphite. It is an amorphous coating film composed of carbon and hydrogen. DLC is mainly synthesized using PVD or PACVD technology at a temperature of 100°C to 300°C. It has good wear resistance and lubricity, and has electrical insulation, chemical stability and light transmittance. The coating can cover iron or non-ferrous metals, plastics, and ceramics. The main carbon coatings are divided into DLC (aC:H), ta-C and Diamond coatings according to the hydrogen content and the bonding structure between atoms. The DLC coating on the outer surface of the base body 1 greatly improves the overall wear resistance and service life of the base body 1.

[0048] Example 2:

[0049] This embodiment provides a lock pin seat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0050] Also includes:

[0051] Limiting components: limiting components are symmetrically arranged on the outer surfaces of both ends of the seat body 1.

[0052] It can be seen from this embodiment that limiting components are symmetrically provided on the outer surfaces of both ends of the seat body 1, and the position of the locking pin 3 is fixedly limited by the limiting components.

[0053] Example 3:

[0054] This embodiment provides a lock pin seat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0055] The limiter components include:

[0056] An annular groove 4 is provided on the inner wall of the seat body 1;

[0057] The arc plate 5 is arranged on the annular groove 4;

[0058] The chute 6 is provided on the seat body 1 and communicates with the annular groove 4;

[0059] Sleeve 7, sleeve 7 is slidably connected to the slide groove 6 and fixedly connected to the arc plate 5;

[0060] Spring 8 is arranged in the annular groove 4 and sleeved on the outer end of the sleeve 7. One end of the spring 8 is against the arc plate 5, and the other end is against the inner wall of the annular groove 4.

[0061] It can be seen from this embodiment that the annular groove 4 is opened on the inner wall of the seat body 1, an arc plate 5 is provided on the annular groove 4, a slide groove 6 is opened on the seat body 1 and communicates with the annular groove 4, a sleeve 7 is fixedly connected to the arc plate 5, and is slidably connected to the slide groove 6, a spring 8 is sleeved on the outer end of the sleeve 7, and one end is against the arc plate 5, and the other end is against the inner wall of the annular groove 4, and the position of the arc plate 5 is controlled by the complex force of the spring 8.

[0062] Example 4:

[0063] This embodiment provides a lock pin seat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0064] The limiter assembly also includes:

[0065] A limit block 9 is installed on the top of the sleeve 7;

[0066] The slider 10 is disposed inside the sleeve 7 and has a clearance fit therewith;

[0067] The mounting hole 11 is formed on the outer wall of the base body 1 and communicates with the slide groove 6;

[0068] The sliding rod 12 is rotatably connected to the limiting block 9 and the mounting hole 11 , and the sliding rod 12 is fixedly connected to the slider 10 .

[0069] It can be seen from this embodiment that the limit block 9 is installed on the top of the sleeve 7, the slider 10 is arranged inside the sleeve 7 and is clearance-matched with it, the limit block 9 limits the position of the slider 10, the mounting hole 11 is opened on the outer wall of the base body 1 and is communicated with the slide groove 6, the slide rod 12 is rotatably connected to the limit block 9 and the mounting hole 11, and the slide rod 12 is fixedly connected to the slider 10, and the slide rod 12 can drive the slider 10 to rotate.

[0070] Example 5:

[0071] This embodiment provides a lock pin seat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0072] The limiter assembly also includes:

[0073] A clamping block 13, the clamping block 13 is fixedly connected to an end of the slide rod 12 away from the slide block 10;

[0074] Abutment blocks 14, which are mounted on both ends of the clamping block 13;

[0075] The fixing block 15 is provided on the outer wall of the base body 1 and is located on both sides of the mounting hole 11;

[0076] The abutment groove 16 is formed on an end of the fixing block 15 away from the base body 1 , and the abutment block 14 is adapted to the abutment groove 16 .

[0077] It can be seen from this embodiment that the clamping block 13 is fixedly connected to the end of the slide rod 12 away from the slider 10, and the abutting block 14 is integrally formed with the clamping block 13, with high structural strength and long service life. The fixing block 15 is arranged on the outer wall of the nut top seat 2 and is located on both sides of the mounting hole 11. The abutting groove 16 is opened on the end of the fixing block 15 away from the nut top seat 2, and the abutting block 14 is adapted to the abutting groove 16.

[0078] Example 6:

[0079] This embodiment provides a lock pin seat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0080] A first limiting ring 17 is fixedly installed inside the pin seat hole 2 , and a second limiting ring 18 is fixedly installed on the outer wall of one end of the locking pin 3 .

[0081] When the locking pin 3 is in the locked position, the locking pin 3 is locked and the locking pin 3 is not locked.

[0082] Example 7:

[0083] This embodiment provides a lock pin seat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0084] An oiling nozzle 19 is provided on the outer wall of the seat body 1 , and an oil inlet channel 20 is provided in the seat body 1 , one end of the oiling nozzle 19 communicating with the annular groove 4 and the other end of the oiling nozzle 19 . A rubber plug 21 is installed on the oiling nozzle 19 .

[0085] It can be seen from this embodiment that an oiling nozzle 19 is provided on the outer wall of the seat body 1 for oiling. An oil inlet channel 20 is provided in the seat body 1, one end of which is communicated with the annular groove 4 and the other end of which is communicated with the oiling nozzle 19. Lubricating oil can be injected into the oil inlet channel 20 from the oiling nozzle 19, thereby entering the annular groove 4 to lubricate the seat body 1 and the locking pin 3. A rubber plug 21 is installed on the oiling nozzle 19 to seal the oiling nozzle 19 to prevent the loss of lubricating oil and prevent dust and impurities from entering.

[0086] Example 8:

[0087] This embodiment provides a lock pin seat, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0088] The seat body 1 is provided with a plurality of protective chamfers.

[0089] It can be seen from this embodiment that a plurality of protective chamfers are provided on the base 1, thereby improving the safety of the structure.

[0090] The embodiments of the present application are described above in conjunction with the accompanying drawings. Unless there is a conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. A lock pin seat, characterized in that: include: A seat body (1), wherein a pin seat hole (2) is provided in the middle of the upper surface of the seat body (1); A lock pin (3), wherein the lock pin (3) is provided through the pin seat hole (2); Wherein, the outer surface of the seat body (1) is coated with a DLC coating.

2. A lock pin seat according to claim 1, characterized in that: Also includes: A limiting component is symmetrically provided on the outer surfaces of both ends of the seat body (1).

3. A lock pin seat according to claim 2, characterized in that: The limiting component includes: An annular groove (4), the annular groove (4) being formed on the inner side wall of the seat body (1); A circular arc plate (5), wherein the circular arc plate (5) is arranged on the annular groove (4); A slide groove (6), wherein the slide groove (6) is provided on the seat body (1) and communicates with the annular groove (4); A sleeve (7), wherein the sleeve (7) is slidably connected to the slide groove (6) and fixedly connected to the arc plate (5); A spring (8) is provided in the annular groove (4) and sleeved on the outer end of the sleeve (7); one end of the spring (8) abuts against the circular arc plate (5), and the other end abuts against the inner wall of the annular groove (4).

4. A lock pin seat according to claim 3, characterized in that: The limiting component also includes: A limit block (9), wherein the limit block (9) is installed on the top of the sleeve (7); A slider (10), the slider (10) being arranged inside the sleeve (7) and having a clearance fit therewith; A mounting hole (11), the mounting hole (11) being formed on the outer wall of the seat body (1) and communicating with the slide groove (6); A sliding rod (12) is rotatably connected to the limiting block (9) and the mounting hole (11), and the sliding rod (12) is fixedly connected to the slider (10).

5. A lock pin seat according to claim 4, characterized in that: The limiting component also includes: A clamping block (13), wherein the clamping block (13) is fixedly connected to an end of the slide rod (12) away from the slider (10); Abutment blocks (14), the abutment blocks (14) being mounted on both ends of the clamping block (13); A fixing block (15), the fixing block (15) being arranged on the outer side wall of the base body (1) and being located on both sides of the mounting hole (11); An abutment groove (16) is provided on an end of the fixing block (15) away from the base body (1), and the abutment block (14) is adapted to the abutment groove (16).

6. The lock pin seat according to claim 5, characterized in that: A first limiting ring (17) is fixedly installed inside the pin seat hole (2), and a second limiting ring (18) is fixedly installed on the outer wall of one end of the lock pin (3).

7. The lock pin seat according to claim 6, characterized in that: An oiling nozzle (19) is provided on the outer wall of the seat body (1), an oil inlet channel (20) is provided in the seat body (1), one end of the oiling nozzle (19) is communicated with the annular groove (4), and the other end of the oiling nozzle (19) is communicated with the oiling nozzle (19), and a rubber plug (21) is installed on the oiling nozzle (19).

8. The lock pin seat according to claim 7, characterized in that: The seat body (1) is provided with a plurality of protective chamfers.

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