Gas spring with adjustable telescopic length

Abstract

The utility model relates to the technical field of gas springs, and discloses a gas spring with adjustable telescopic length, which comprises a fixed cylinder and a bottom block, the bottom block is arranged at the bottom end of the fixed cylinder, the top end of the bottom block is fixedly connected with a connecting seat, the top end in the fixed cylinder is provided with a first reserved groove, the top end of the fixed cylinder is fixedly connected with a fixed sleeve, and the fixed sleeve is fixedly connected with a second reserved groove. And a rod body is arranged in the fixing sleeve. According to the gas spring with the adjustable telescopic length, the piston block and other parts are arranged, when gas enters the fixing cylinder, the piston block can be pushed to be jacked upwards, when the piston block is upward, the piston block can move outside the first fixing rod, and the top of the rod body can move upwards, so that jacking can be facilitated, and when the length needs to be adjusted, the piston block can be pushed to move upwards; the top base can be screwed through the second fixing base, at the moment, screwing adjustment can be conducted between the rod body and the second fixing rod, and the problem that the length of the rod body cannot be adjusted in a telescopic mode conveniently is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of gas springs, in particular to a gas spring with adjustable telescopic length. Background Art

[0002] A gas spring is an industrial accessory that can provide support, cushioning, braking, height adjustment, and angle adjustment. It consists of a pressure cylinder, piston rod, piston, and other components. It utilizes gas pressure to generate elastic force and is widely used in various fields.

[0003] According to the design of the existing gas spring, it is not convenient to adjust the length of the rod during use, resulting in lack of flexibility and applicability. Therefore, there is a need to improve its structure.

[0004] Now, a new type of gas spring with adjustable telescopic length is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a gas spring with adjustable telescopic length, so as to solve the problem in the above background technology that it is inconvenient to adjust the length of the rod body thereof.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas spring with adjustable telescopic length, comprising a fixed cylinder and a bottom block, the bottom of the fixed cylinder being provided with a bottom block, the top of the bottom block being fixedly connected to a connecting seat, the top of the fixed cylinder being provided with a first reserved groove, the top of the fixed cylinder being fixedly connected to a fixing sleeve, the inside of the fixing sleeve being provided with a rod body, the top of the rod body longitudinally passing through the interior of the connecting port and fixedly connected to the top seat, the top of the top seat being fixedly connected to a second fixing seat, the interior of the second fixing seat being provided with a reserved hole, the interior of the bottom end of the rod body being provided with a second reserved groove, the interior of the fixed cylinder being provided with a piston block, guide grooves being provided on both sides of the top of the piston block, the two sides of the top of the fixed cylinder being fixedly connected to the first fixing rod, and the top of the piston block being fixedly connected to the second fixing rod.

[0007] As a further technical solution of the present invention, the outside of the second fixing rod is provided with an external thread, the inner wall of the second reserved groove is provided with an internal thread, and the piston block is slidably sleeved on the outside of the first fixing rod through a guide groove.

[0008] As a further technical solution of the present invention, the top of the fixed tube is fixedly connected to a connecting port, the outside of the connecting port is sleeved with a fixing sleeve, the top of the fixing sleeve is fixedly connected to a fixing frame, and the top of the fixed tube is fixedly connected to a first fixing seat.

[0009] As a further technical solution of the present invention, the fixing frame is circular and is detachably sleeved on the outside of the rod body.

[0010] As a further technical solution of the present invention, a wiping block is fixedly connected to the interior of the fixing frame, and the fixing frame is detachably connected to the exterior of the connecting port through a fixing sleeve.

[0011] As a further technical solution of the present invention, the bottom end of the bottom block is fixedly connected to a fixed pipe, the right side of the fixed pipe is fixedly connected to the second branch pipe, and the left side of the fixed pipe is fixedly connected to the first branch pipe.

[0012] As a further technical solution of the present invention, the first branch pipe is an air outlet, and the second branch pipe is an air inlet.

[0013] As a further technical solution of the present invention, a second valve is fixedly installed on the outside of the first branch pipe, and a first valve is fixedly installed on the outside of the second branch pipe. The bottom block is detachable from the fixed cylinder through the connecting seat, and the inner wall of the fixed cylinder is provided with an internal thread.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the telescopic length-adjustable gas spring not only facilitates length adjustment and facilitates cleaning of the exterior of the rod body, but also facilitates disassembly and assembly;

[0015] (1) By providing a piston block, a guide groove, a second reserved groove of the rod body, a second fixed rod, a top seat, a second fixed seat, and a reserved hole, when gas enters the fixed cylinder, it can push the piston block upward. When the piston block is upward, the piston block can move outside the first fixed rod, and the top of the rod body will move upward, so that it can be easily lifted. When the length needs to be adjusted, the top seat can be screwed using the second fixed seat, and then the rod body and the second fixed rod can be screwed and adjusted;

[0016] (2) By providing a fixing sleeve, a fixing frame, a wiping block, and a connecting port, the fixing sleeve can be sleeved into the first reserved groove. When the rod body moves upward, it can pass through the wiping block of the fixing frame, thereby wiping and cleaning the outer wall of the rod body, making the surface less susceptible to dust;

[0017] (3) By setting a connecting seat, a bottom block, a fixed pipe, a first branch pipe, a second branch pipe, a first valve, and a second valve, the first valve is opened and the gas can be injected through the second branch pipe. When it is necessary to release the gas later, the second valve can be opened and the gas can be discharged through the first branch pipe. When it is necessary to disassemble and clean it later, the bottom block can be screwed to facilitate disassembly between it and the fixed cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front cross-sectional structure of the present utility model;

[0019] Figure 2 This is a front view structural diagram of the connection between the rod body and the fixed rod of the utility model;

[0020] Figure 3 This is a schematic diagram of the top view of the connection between the piston block and the fixed rod of the utility model;

[0021] Figure 4 This is a top view structural diagram of the connection between the rod body and the fixed frame of the utility model.

[0022] In the figure: 1. Fixed cylinder; 2. First fixed rod; 3. Rod body; 4. First reserved groove; 5. First fixed seat; 6. Fixed sleeve; 7. Fixed frame; 8. Wiping block; 9. Top seat; 10. Second fixed seat; 11. Reserved hole; 12. Connecting port; 13. Piston block; 14. Guide groove; 15. Connecting seat; 16. Bottom block; 17. Fixed pipe; 18. First branch pipe; 19. Second branch pipe; 20. First valve; 21. Second valve; 22. Second reserved groove; 23. Second fixed rod. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1-4 The utility model provides an embodiment, a gas spring with adjustable telescopic length, comprising a fixed cylinder 1 and a bottom block 16, the bottom end of the fixed cylinder 1 is provided with a bottom block 16, the top of the bottom block 16 is fixedly connected to a connecting seat 15, the top end of the fixed cylinder 1 is provided with a first reserved groove 4, the top end of the fixed cylinder 1 is fixedly connected to a fixing sleeve 6, the interior of the fixing sleeve 6 is provided with a rod body 3, the top end of the rod body 3 longitudinally passes through the interior of the connecting port 12 and is fixedly connected to a top seat 9, the top end of the top seat 9 is fixedly connected to a second fixing seat 10, the interior of the second fixing seat 10 is provided with a reserved hole 11, the interior of the bottom end of the rod body 3 is provided with a second reserved groove 22, the interior of the fixed cylinder 1 is provided with a piston block 13, guide grooves 14 are provided on both sides of the top end of the piston block 13, the two sides of the top end of the fixed cylinder 1 are fixedly connected to the first fixing rod 2, and the top end of the piston block 13 is fixedly connected to the second fixing rod 23;

[0025] The outer portion of the second fixing rod 23 is provided with an external thread, and the inner wall of the second reserved groove 22 is provided with an internal thread. The piston block 13 is slidably sleeved on the outer portion of the first fixing rod 2 through the guide groove 14;

[0026] Specifically, if Figure 1 and Figure 2 As shown, when gas enters the fixed cylinder 1, it can push the piston block 13 upward. When the piston block 13 is upward, the piston block 13 can move outside the first fixed rod 2, and the top of the rod body 3 will move upward, so that it can be easily lifted. When the length needs to be adjusted, the second fixed seat 10 can be used to screw the top seat 9. At this time, the rod body 3 and the second fixed rod 23 can be screwed and adjusted.

[0027] The top of the fixed tube 1 is fixedly connected to the connecting port 12, the outside of the connecting port 12 is sleeved with a fixing sleeve 6, the top of the fixing sleeve 6 is fixedly connected to the fixing frame 7, and the top of the fixed tube 1 is fixedly connected to the first fixing seat 5;

[0028] The fixing frame 7 is circular and is detachably sleeved on the outside of the rod body 3;

[0029] The interior of the fixed frame 7 is fixedly connected to the wiping block 8, and the fixed frame 7 is detachably connected to the exterior of the connecting port 12 through the fixing sleeve 6;

[0030] Specifically, if Figure 1 and Figure 4 As shown, the fixing sleeve 6 can be sleeved on the first reserved groove 4. When the rod body 3 moves upward, it can pass through the wiping block 8 of the fixing frame 7, thereby wiping and cleaning the outer wall of the rod body 3, making the surface less likely to be contaminated with dust.

[0031] The bottom end of the bottom block 16 is fixedly connected to a fixed pipe 17, the right side of the fixed pipe 17 is fixedly connected to a second branch pipe 19, and the left side of the fixed pipe 17 is fixedly connected to a first branch pipe 18;

[0032] The first branch pipe 18 is an air outlet, and the second branch pipe 19 is an air inlet;

[0033] A second valve 21 is fixedly mounted on the outside of the first branch pipe 18, and a first valve 20 is fixedly mounted on the outside of the second branch pipe 19. The bottom block 16 is detachable from the fixed cylinder 1 via the connecting seat 15, and the inner wall of the fixed cylinder 1 is provided with an internal thread.

[0034] Specifically, if Figure 1 and Figure 3 As shown, open the first valve 20 and use the second branch pipe 19 to inject gas. When it is necessary to release the gas later, the second valve 21 can be opened and the gas can be discharged through the first branch pipe 18. When it is necessary to disassemble and clean it later, the bottom block 16 can be screwed to facilitate disassembly between it and the fixed cylinder 1.

[0035] Working principle: When the present invention is in use, first, open the first valve 20 and use the second branch pipe 19 to inject gas. When it is necessary to deflate later, the second valve 21 can be opened and the gas can be discharged through the first branch pipe 18. When it is necessary to disassemble and clean it later, the bottom block 16 can be screwed to facilitate disassembly between it and the fixed cylinder 1. Afterwards, when the gas enters the fixed cylinder 1, it can push the piston block 13 to push it upward. When the piston block 13 is upward, the piston block 13 can move outside the first fixed rod 2, and the top of the rod body 3 will move upward, which is convenient for pushing it up. When the length needs to be adjusted, the second fixed seat 10 can be used to screw the top seat 9. At this time, the rod body 3 and the second fixed rod 23 can be screwed and adjusted. Finally, the fixed sleeve 6 can be sleeved on the first reserved groove 4. When the rod body 3 moves upward, it can pass through the wiping block 8 of the fixed frame 7, so that the outer wall of the rod body 3 can be wiped and cleaned, making the surface not easily contaminated with dust.

[0036] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A gas spring with adjustable telescopic length, comprising a fixed cylinder (1) and a bottom block (16), characterized in that: The bottom end of the fixed cylinder (1) is provided with a bottom block (16), the top end of the bottom block (16) is fixedly connected to a connecting seat (15), the top end of the fixed cylinder (1) is provided with a first reserved groove (4), the top end of the fixed cylinder (1) is fixedly connected to a fixing sleeve (6), the inside of the fixing sleeve (6) is provided with a rod body (3), the top end of the rod body (3) longitudinally penetrates the inside of the connecting port (12) and is fixedly connected to a top seat (9), the top end of the top seat (9) is fixedly connected to a second fixing seat (10), the inside of the second fixing seat (10) is provided with a reserved hole (11), the inside of the bottom end of the rod body (3) is provided with a second reserved groove (22), the inside of the fixed cylinder (1) is provided with a piston block (13), the two sides of the top end of the piston block (13) are provided with guide grooves (14), the two sides of the top end of the fixed cylinder (1) are fixedly connected to the first fixing rod (2), and the top end of the piston block (13) is fixedly connected to the second fixing rod (23).

2. The telescopic length-adjustable gas spring according to claim 1, characterized in that: The exterior of the second fixing rod (23) is provided with an external thread, the inner wall of the second reserved groove (22) is provided with an internal thread, and the piston block (13) is slidably sleeved on the exterior of the first fixing rod (2) through the guide groove (14).

3. The telescopic length-adjustable gas spring according to claim 1, characterized in that: The top end of the fixed cylinder (1) is fixedly connected to a connecting port (12), the outside of the connecting port (12) is sleeved with a fixing sleeve (6), the top end of the fixing sleeve (6) is fixedly connected to a fixing frame (7), and the top end of the fixed cylinder (1) is fixedly connected to a first fixing seat (5).

4. The telescopic length-adjustable gas spring according to claim 3, characterized in that: The fixing frame (7) is circular and is sleeved on the outside of the rod body (3) in a detachable manner.

5. The telescopic length-adjustable gas spring according to claim 3, characterized in that: The interior of the fixed frame (7) is fixedly connected to a wiping block (8), and the fixed frame (7) is detachably connected to the exterior of the connecting port (12) via a fixed sleeve (6).

6. The telescopic length-adjustable gas spring according to claim 1, characterized in that: The bottom end of the bottom block (16) is fixedly connected to a fixed pipe (17), the right side of the fixed pipe (17) is fixedly connected to a second branch pipe (19), and the left side of the fixed pipe (17) is fixedly connected to a first branch pipe (18).

7. The telescopic length-adjustable gas spring according to claim 6, characterized in that: The first branch pipe (18) is an air outlet, and the second branch pipe (19) is an air inlet.

8. The telescopic length-adjustable gas spring according to claim 6, characterized in that: A second valve (21) is fixedly installed on the outside of the first branch pipe (18), and a first valve (20) is fixedly installed on the outside of the second branch pipe (19). The bottom block (16) is detachable from the fixed cylinder (1) via the connecting seat (15), and the inner wall of the fixed cylinder (1) is provided with an internal thread.

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