Pneumatic rod with lubricating structure

Abstract

The utility model relates to the technical field of air pressure rods, in particular to an air pressure rod with a lubricating structure, which comprises an air pressure rod body, a casing is annularly sleeved on the outer wall of the upper portion of the air pressure rod body, and a plurality of positioning blocks are embedded on the inner wall of the lower portion of the casing in an annular array sliding mode. A plurality of positioning grooves matched with the positioning blocks are formed in the outer wall of the upper portion of the air pressure rod body in an annular array mode, a cavity is annularly formed in the upper portion of the shell, an annular pipe is fixedly arranged on the inner wall of the upper portion of the shell, and a plurality of nozzles are fixedly arranged on the lower portion of the annular pipe in an annular array mode. A cavity is formed in the upper portion of the shell, a pump body is fixedly embedded in the upper portion of the shell, the input end of the pump body is fixedly connected with a liquid pumping pipe, the bottom end of the liquid pumping pipe extends into the cavity, the lubricating structure can be conveniently disassembled and assembled, and therefore the lubricating structure can be conveniently disassembled, assembled and maintained, and the practicability of the device can be effectively improved.

Description

Technical Field

[0001] The utility model relates to a gas pressure rod with a lubrication structure and belongs to the technical field of gas pressure rods. Background Art

[0002] Pneumatic rods, also known as gas springs, are devices that use gas pressure to generate force. The working principle of the pneumatic rod is to use the high-pressure gas inside to generate driving force under the action of external force. This type of equipment is widely used, including but not limited to ergonomic chairs, office chairs, machinery, automobiles and industrial fields. In order to ensure the normal use of the pneumatic rod, it needs to be lubricated regularly.

[0003] According to the announcement number CN216306576U, a pneumatic rod with a lubrication structure is disclosed, comprising an outer tube and a core rod, the outer tube and the core rod are movably connected, the upper surface of the outer tube is fixedly connected with a liquid storage tank, the liquid storage tank is fixedly connected with a liquid inlet pipe and a drainage pipe penetrating therein, the liquid inlet pipe is threadedly connected with a sealing cover, the drainage pipe is connected with a spray pipe and a pump, and the spray pipe is connected with a plurality of atomizing nozzles penetrating therein; the lubricating liquid is injected into the liquid storage tank by setting the liquid inlet pipe, and then the sealing cover is threadedly connected with the liquid inlet pipe, the power supply is started during the lifting and lowering of the core rod inside the outer tube, and the pump sprays the lubricating liquid inside the liquid storage tank through the drainage pipe to the outer surface of the core rod through the plurality of atomizing nozzles, effectively avoiding the problem of reduced lifting and lowering smoothness of the pneumatic rod during long-term use. When the above device is in use, when the atomizing nozzle is blocked or the liquid storage tank is damaged by impact of foreign objects, it is inconvenient to replace and repair its lubrication structure at this time, and then the device needs to be replaced as a whole, which makes the practicability of the device low. Utility Model Content

[0004] The purpose of the utility model is to provide a gas pressure rod with a lubrication structure. The utility model can facilitate the disassembly and installation of the lubrication structure, thereby facilitating the disassembly, assembly and maintenance of the lubrication structure, and further effectively improving the practicality of the device to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A gas pressure rod with a lubrication structure comprises a gas pressure rod body, a shell is annularly sleeved on the upper outer wall of the gas pressure rod body, a plurality of positioning blocks are slidably embedded in an annular array on the lower inner wall of the shell, a plurality of positioning grooves matching the positioning blocks are opened in an annular array on the upper outer wall of the gas pressure rod body, a cavity is opened in the upper inner ring of the shell, an annular tube is fixedly provided on the upper inner wall of the shell, a plurality of nozzles are fixedly provided in an annular array of the annular tube, a pump body is fixedly embedded in the upper part of the shell, an input end of the pump body is fixedly connected to a liquid extraction pipe, the bottom end of the liquid extraction pipe extends into the cavity, an output end of the pump body is fixedly connected to a liquid delivery pipe, the other end of the liquid delivery pipe is fixedly connected to the annular pipe, a feed port is opened on an upper side of the shell, and the bottom end of the feed port is communicated with the internal space of the cavity.

[0007] Furthermore, matching threads are provided in annular shapes on the lower inner wall of the shell and the upper outer wall of the gas pressure rod body.

[0008] Furthermore, a plurality of slide grooves 1 are provided in an annular array in the lower inner portion of the shell, and a slider 1 is slidably provided in each of the slide grooves 1, and the positioning blocks extend into adjacent slide grooves 1 and are fixedly connected to the slider 1, and a spring is fixedly provided on one side of the slider 1 away from the positioning block, and the other end of the spring is fixedly connected to an inner wall on one side adjacent to the slide groove 1.

[0009] Furthermore, a nut is fixedly embedded through the inner wall of the slide groove 1 away from the positioning block, and an adjusting screw is rotatably provided on the inner thread of the nut. A slide groove 2 is opened in the positioning block, and one end of the adjusting screw extends into the slide groove 2 through the adjacent slider 1 and is rotatably connected to the slider 2, and the slider 2 is slidably connected to the slide groove 2.

[0010] Furthermore, the side of the positioning block close to the gas pressure rod body is a hemispherical structure, and the top of the gas pressure rod body shell is set as an arc structure.

[0011] Furthermore, the annular array fixing sleeve on the annular tube is provided with a plurality of brackets, and the top ends of the brackets are fixedly connected to the top inner wall of the shell.

[0012] Furthermore, a sealing plug is slidably embedded in the feed port.

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

[0014] The utility model is provided with a positioning block and a positioning groove. When the lubrication structure needs to be disassembled and repaired during use, the adjusting screw is rotated by using a tool, so that the adjusting screw drives the slider 2 to move in the slide groove 2. At this time, the slider 2 will drive the slider 1 to move through the positioning block, so that the positioning block is stored in the slide groove 1, and then the shell is rotated to separate the shell from the gas pressure rod body, so that the shell can be disassembled, which is convenient for repair and replacement of the shell. The utility model can facilitate the disassembly and installation of the lubrication structure, thereby facilitating the disassembly, assembly and repair of the lubrication structure, and effectively improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0016] Figure 1 This is a front view of a gas pressure rod with a lubrication structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of a gas pressure rod with a lubrication structure of the utility model;

[0018] Figure 3 The utility model is a gas pressure rod with a lubrication structure Figure 2 The enlarged view of point A in the middle;

[0019] Figure 4 The utility model is a gas pressure rod with a lubrication structure Figure 2 The enlarged view of point B in the middle;

[0020] Numbers in the figure: 1. Air pressure rod body; 2. Shell; 3. Positioning block; 4. Positioning groove; 5. Cavity; 6. Ring tube; 7. Nozzle; 8. Pump body; 9. Liquid extraction tube; 10. Liquid delivery tube; 11. Feed port; 12. Slide 1; 13. Slider 1; 14. Spring; 15. Nut; 16. Adjusting screw; 17. Slide 2; 18. Slider 2; 19. Bracket; 20. Sealing plug. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in 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 in 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.

[0022] Example 1 Please refer to Figure 1-Figure 4 , the utility model provides a technical solution:

[0023] A gas pressure rod with a lubrication structure comprises a gas pressure rod body 1, a shell 2 is annularly sleeved on the upper outer wall of the gas pressure rod body 1, a plurality of positioning blocks 3 are slidably embedded in an annular array on the lower inner wall of the shell 2, a plurality of positioning grooves 4 matching the positioning blocks 3 are opened in an annular array on the upper outer wall of the gas pressure rod body 1, a cavity 5 is opened in an upper inner ring of the shell 2, an annular tube 6 is fixedly provided on the upper inner wall of the shell 2, a plurality of nozzles 7 are fixedly provided in an annular array at the lower portion of the annular tube 6, a pump body 8 is fixedly embedded in the upper portion of the shell 2, an input end of the pump body 8 is fixedly connected to a liquid extraction pipe 9, the bottom end of the liquid extraction pipe 9 extends into the cavity 5, an output end of the pump body 8 is fixedly connected to a liquid delivery pipe 10, the other end of the liquid delivery pipe 10 is fixedly connected to the annular pipe 6, a feed port 11 is opened on an upper side of the shell 2, and the bottom end of the feed port 11 is communicated with the internal space of the cavity 5.

[0024] Specifically, Figure 1-Figure 4 As shown, a plurality of slide grooves 12 are provided in an annular array in the lower inner part of the housing 2, and a slider 13 is slidably provided in each of the slide grooves 12. The positioning blocks 3 extend into the adjacent slide grooves 12 and are fixedly connected to the slider 13. A spring 14 is fixedly provided on the side of the slider 13 away from the positioning block 3, and the other end of the spring 14 is fixedly connected to the inner wall of the side adjacent to the slide groove 12. A nut 15 is fixedly embedded on the inner wall of the side of the slide groove 12 away from the positioning block 3, and an adjusting screw is provided on the inner thread of the nut 15 for rotation. 16, a second slide groove 17 is provided in the positioning block 3, one end of the adjusting screw 16 extends into the second slide groove 17 through the adjacent slider 13 and is rotatably connected with a slider 18, the slider 18 is slidably connected with the second slide groove 17, and the adjusting screw 16 is rotated by using a tool, so that the adjusting screw 16 drives the slider 18 to move in the second slide groove 17, at this time, the slider 18 will drive the slider 13 to move through the positioning block 3, so that the positioning block 3 is stored in the slide groove 12, and the slider 13 will squeeze the spring 14 at the same time.

[0025] Specifically, Figure 1-Figure 4As shown, the side of the positioning block 3 close to the gas pressure rod body 1 is a hemispherical structure, the top of the outer shell of the gas pressure rod body 1 is set to an arc structure, and a plurality of brackets 19 are fixedly sleeved in an annular array on the annular tube 6, and the tops of the brackets 19 are fixedly connected to the top inner wall of the shell 2, and a sealing plug 20 is slidably embedded in the feed port 11. By setting the arc structure, it is convenient for the gas pressure rod body 1 to extrude the positioning block 3, and by setting the bracket 19, the stability of the annular tube 6 can be improved, and by setting the sealing plug 20, the feed port 11 can be blocked.

[0026] Example 2 Please refer to Figure 2 The difference between this embodiment and embodiment 1 is that matching threads are provided in an annular manner on the lower inner wall of the shell 2 and the upper outer wall of the gas pressure rod body 1. By providing the threads, the stability of the connection between the shell 2 and the gas pressure rod body 1 can be improved.

[0027] The working principle of the utility model is as follows: when in use, the shell 2 is sleeved on the outer wall of the gas pressure rod body 1, at this time, the gas pressure rod body 1 will squeeze the positioning block 3 into the slide groove 12, and the positioning block 3 will squeeze the spring 14 through the slider 13, and then the shell 2 is rotated, so that the shell 2 is screwed on the gas pressure rod body 1, and the spring 14 will push the slider 13 and the positioning block 3 to move, so that the positioning block 3 is inserted into the corresponding positioning groove 4, so that the installation of the shell 2 can be completed, and the lubricating liquid in the cavity 5 can be pumped into the annular tube 6 through the pump body 8, and then to the gas pressure rod body through the nozzle 7. The body 1 is sprayed, so that the gas pressure rod body 1 can be lubricated. When the shell 2 needs to be disassembled, the adjusting screw 16 is rotated by using a tool, so that the adjusting screw 16 drives the slider 18 to move in the slide groove 17. At this time, the slider 18 will drive the slider 13 to move through the positioning block 3, so that the positioning block 3 is received in the slide groove 12. At the same time, the slider 13 will squeeze the spring 14, and then rotate the shell 2 in the opposite direction, so that the shell 2 is separated from the gas pressure rod body 1, and then the shell 2 can be disassembled, and the shell 2 is convenient for repair and replacement.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas pressure rod with a lubrication structure, comprising a gas pressure rod body (1), characterized in that: A shell (2) is annularly sleeved on the upper outer wall of the gas pressure rod body (1); a plurality of positioning blocks (3) are slidably embedded in an annular array on the lower inner wall of the shell (2); a plurality of positioning grooves (4) matching the positioning blocks (3) are provided in an annular array on the upper outer wall of the gas pressure rod body (1); a cavity (5) is provided in an upper inner ring of the shell (2); an annular tube (6) is fixedly provided on the upper inner wall of the shell (2); and a plurality of nozzles (6) are fixedly provided in an annular array at the lower part of the annular tube (6). 7), a pump body (8) is fixedly embedded in the upper part of the shell (2), the input end of the pump body (8) is fixedly connected to a liquid extraction pipe (9), the bottom end of the liquid extraction pipe (9) extends into the cavity (5), the output end of the pump body (8) is fixedly connected to a liquid delivery pipe (10), the other end of the liquid delivery pipe (10) is fixedly connected to the annular tube (6), and a feed port (11) is opened on the upper part of one side of the shell (2), and the bottom end of the feed port (11) is communicated with the internal space of the cavity (5).

2. The gas pressure rod with a lubrication structure according to claim 1, characterized in that: Matching threads are provided in an annular manner on the lower inner wall of the shell (2) and the upper outer wall of the gas pressure rod body (1).

3. The gas pressure rod with a lubrication structure according to claim 1, characterized in that: A plurality of slide grooves (12) are provided in an annular array in the lower inner part of the shell (2), and a slider (13) is slidably provided in each of the slide grooves (12). The positioning blocks (3) extend into adjacent slide grooves (12) and are fixedly connected to the sliders (13). A spring (14) is fixedly provided on a side of the slider (13) away from the positioning block (3), and the other end of the spring (14) is fixedly connected to an inner wall of a side adjacent to the slide groove (12).

4. The gas pressure rod with a lubrication structure according to claim 3, characterized in that: A nut (15) is fixedly embedded in the inner wall of the slide groove (12) on the side away from the positioning block (3), and an adjusting screw (16) is rotatably provided on the inner thread of the nut (15). A slide groove (17) is provided in each of the positioning blocks (3), and one end of the adjusting screw (16) extends into the slide groove (17) after passing through the adjacent slider (13) and is rotatably connected to the slider (18). The slider (18) is slidably connected to the slide groove (17).

5. The gas pressure rod with a lubrication structure according to claim 1, characterized in that: The side of the positioning block (3) close to the gas pressure rod body (1) is a hemispherical structure, and the top of the outer shell of the gas pressure rod body (1) is an arc structure.

6. The gas pressure rod with a lubrication structure according to claim 1, characterized in that: A plurality of brackets (19) are provided in an annular array fixed sleeve on the annular tube (6), and the top ends of the brackets (19) are fixedly connected to the top inner wall of the shell (2).

7. The gas pressure rod with a lubrication structure according to claim 1, characterized in that: A sealing plug (20) is slidably embedded in the feed port (11).

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