Novel gas spring for swivel chair

Abstract

The utility model relates to the field of coking production devices, and discloses a novel gas spring for a swivel chair, which comprises a base, the top side of the base is fixedly connected with a gas spring body, the top side of the gas spring body is connected with a connecting plate through a plug connector, and the left side and the right side of the connecting plate are rotatably connected with supporting shafts. The two supporting shafts are connected with the middle end of the gas spring body through supporting assemblies, the front sides and the rear sides of the two supporting assemblies are connected through locking assemblies, clamping assemblies are arranged on the front side and the rear side of the connecting plate, and the inserting piece comprises an inserting groove located in the top side of the connecting plate and an inserting block located at the top end of the gas spring body. According to the gas spring, the inserting block is inserted into the inserting groove, then the fixing block is inserted into the fixing shell to be matched with the spring body and the supporting shaft, auxiliary supporting is improved when the gas spring is used in cooperation with a swivel chair, the service life of the gas spring is prolonged, meanwhile, the supporting shaft can be detached through cooperation between the inserting block and the locking block, and overhauling is convenient.

Description

Technical Field

[0001] The utility model relates to the field of coking production equipment, in particular to a novel gas spring for a swivel chair. Background Art

[0002] The gas spring for swivel chair is a common chair seat adjustment device, usually installed on office chairs or other types of chairs, to adjust the height of the seat or provide a tilt function for the seat. This gas spring changes the height or angle of the chair by inflating or releasing gas to meet the user's comfort and work needs. The gas spring usually consists of a sealed air bag and a regulating valve. The user can adjust the valve manually or by foot to control the flow of gas in the gas spring, thereby changing the height or tilt angle of the chair.

[0003] After searching, a new type of gas spring for a swivel chair with announcement number CN215059083U includes a gas spring sleeve, a support mechanism and an adjustment mechanism. A card slot is provided inside the gas spring sleeve, and a card block is installed inside the card slot. A gas spring hydraulic rod is installed on the outer wall of the card block, and a sealing sleeve is bonded to the bottom end of the gas spring hydraulic rod. A mounting rod is installed on the inner wall of the gas spring hydraulic rod, and a swivel chair mounting plate is installed on the outer wall of the mounting rod. The support mechanism is installed on the outer wall of the gas spring sleeve, and a card block is welded to the bottom end of the gas spring sleeve. The new type of gas spring for a swivel chair effectively seals the inside of the gas spring sleeve through the sealing sleeve installed at the bottom end of the gas spring hydraulic rod, thereby avoiding damage to the device and poor use effect caused by leakage of gas and hydraulic oil inside the gas spring sleeve, thereby improving the practicality and stability of the device.

[0004] Based on the above patent, the new type of gas spring for swivel chair currently used mentioned in the background technology is not conducive to auxiliary support and fixation. In view of this, in order to solve this technical problem, this application proposes a new type of gas spring for swivel chair. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and a new type of gas spring for a swivel chair is proposed. The plug block is inserted into the inside of the slot and then inserted into the inside of the fixed shell through the fixed block to cooperate with the spring body and the support shaft, so as to improve the auxiliary support of the gas spring when used with a swivel chair and extend the service life. At the same time, the support shaft can be disassembled through the cooperation between the plug block and the locking block, which is convenient for maintenance.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a new type of gas spring for a swivel chair, comprising a base, a gas spring body is fixedly connected to the top side of the base, a connecting plate is connected to the top side of the gas spring body via a connector, support shafts are rotatably connected to the left and right sides of the connecting plate, the two support shafts are connected to the middle end of the gas spring body via a support assembly, the front and rear sides of the two support assemblies are connected via a locking assembly, and locking assemblies are provided on the front and rear sides of the connecting plate.

[0007] Furthermore, the plug-in connector includes a slot located on the top side of the connecting plate and an insert block located on the top end of the gas spring body, and the insert block is arranged inside the slot.

[0008] Furthermore, the locking assembly includes a locking shaft located inside the connecting plate, one end of the locking shaft facing the inserting block is fixedly connected to the limiting block, and a spring three is sleeved on the outer wall of the locking shaft.

[0009] Furthermore, the support assembly includes a fixed shell slidably connected to the bottom end of the support shaft and a fixed block fixedly connected to the middle end of the gas spring body, the fixed block is arranged inside the fixed shell, and the outer wall of the support shaft is sleeved with a spring.

[0010] Furthermore, one end of the spring is fixedly connected to the top side of the fixed shell, and the other end of the spring is fixedly connected to the top end of the support shaft.

[0011] Furthermore, the locking assembly includes a lock shaft located on the outer wall of the fixed shell on the left side and a lock shell rotatably connected to the outer wall of the fixed shell on the right side. The lock shell is slidably connected to the lock block inside, the left end of the lock block is arranged at the middle end of the lock shaft, and the right end of the lock block is sleeved with spring 2.

[0012] Furthermore, one end of the second spring is fixedly connected to the right side of the lock housing, and the other end of the second spring is fixedly connected to the right end of the lock block.

[0013] Furthermore, a plurality of wheels are installed on the bottom side of the base via a wheel frame.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, firstly, through the cooperation between the fixed block and the fixed shell, and then through the cooperation between the support shaft and the spring 1, the gas spring body can assist in reducing the impact and pressure during operation, so as to improve the auxiliary support effect of the gas spring body during operation, improve the service life of the gas spring, and save manpower and material resources.

[0016] 2. In the utility model, the disassembly between the two fixed shells and the fixed block is achieved by the cooperation between the locking block and the locking shaft, and then the disassembly between the connecting plate and the supporting shaft and the gas spring body is achieved by rotating the two supporting shafts and pulling the clamping shaft, which is convenient for the inspection and maintenance of the supporting shaft of the gas spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a new type of gas spring for a swivel chair proposed in the utility model;

[0018] Figure 2 This is a schematic diagram of the insert block structure of a new type of gas spring for a swivel chair proposed by the utility model;

[0019] Figure 3 The utility model is a schematic diagram of a fixed shell structure of a new type of gas spring for a swivel chair.

[0020] Legend:

[0021] 1. Base; 2. Gas spring body; 3. Connecting plate; 4. Insert block; 5. Support shaft; 6. Spring 1; 7. Fixed shell; 8. Lock shaft; 9. Lock block; 10. Clamp shaft; 11. Spring 2; 12. Fixed block; 13. Lock shell; 14. Limit block; 15. Spring 3; 16. Slot. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figure 1-3 The utility model provides an embodiment: a new type of gas spring for a swivel chair, including a base 1, a gas spring body 2 is fixedly connected to the top side of the base 1, a connecting plate 3 is connected to the top side of the gas spring body 2 through an insert block 4 and a slot 16, the left and right sides of the connecting plate 3 are rotatably connected to support shafts 5, the two support shafts 5 are connected to the middle end of the gas spring body 2 through a fixed shell 7 and a fixed block 12, the front and rear sides of the two fixed shells 7 are connected through a lock shaft 8 and a lock block 9, both sides of the front and rear connecting plates 3 are provided with a locking assembly, and a plurality of wheels are installed on the bottom side of the base 1 through a wheel frame;

[0024] Specifically, the connection between the connecting plate 3 and the gas spring body 2 is achieved by cooperating between the connecting plate 3 through the slot 16 and the plug block 4, and then the fixing shell 7 is sleeved on the outer wall of the fixing block 12 by rotating the support shaft 5, and then the two fixing shells 7 are installed on the outer walls of the two fixing blocks 12 by rotating the locking block 9 and stretching the locking block 9 to clamp the locking block 9 on the middle end of the locking shaft 8. When the gas spring body 2 starts to work and is lifted or lowered, the impact on the connecting plate 3 can be mitigated by the action between the connecting plate 3 and the spring 6, which is convenient for extending the service life of the gas spring body 2. At the same time, the disassembly between the support shaft 5 and the connecting plate 3 can be achieved through the cooperation between the locking block 9 and the plug block 4, which is convenient for maintenance. At the same time, other devices that need to be connected, such as a swivel chair, can be connected to the connecting plate 3, and the movement effect can be achieved by the wheels on the lower side of the base 1.

[0025] A slot 16 is located at the top side of the connecting plate 3 and an insert block 4 is located at the top of the gas spring body 2, the insert block 4 is arranged inside the slot 16, a clamping shaft 10 is located inside the connecting plate 3, and the clamping shaft 10 is fixedly connected to the limited block 14 at one end of the insert block 4, and the outer wall of the clamping shaft 10 is sleeved with a spring three 15, a fixed shell 7 is slidably connected to the bottom end of the support shaft 5, and a fixed block 12 is fixedly connected to the middle end of the gas spring body 2, the fixed block 12 is arranged inside the fixed shell 7, and the outer wall of the support shaft 5 is sleeved with a spring A 6, one end of the spring A 6 is fixedly connected to the top side of the fixed shell 7, the other end of the spring A 6 is fixedly connected to the top of the support shaft 5, the lock shaft 8 is located on the outer wall of the left fixed shell 7 and the lock shell 13 is rotatably connected to the outer wall of the right fixed shell 7, the lock shell 13 is slidably connected to the lock block 9, the left end of the lock block 9 is arranged at the middle end of the lock shaft 8, the right end of the lock block 9 is sleeved with a spring 2 11, one end of the spring 2 11 is fixedly connected to the right side of the lock shell 13, and the other end of the spring 2 11 is fixedly connected to the right end of the lock block 9;

[0026] Specifically, by pulling the card shaft 10, through the cooperation between the spring three 15 and the limit block 14, the limit block 14 can be disengaged from the inside of the plug block 4, which is convenient for removing the connecting plate 3 from the top of the gas spring body 2. At the same time, by rotating the locking block 9, through the disengagement between the locking block 9 and the locking shaft 8, through the cooperation between the spring two 11 and the lock shell 13, the locking block 9 can be pulled to achieve the fixation and disconnection between the two fixed shells 7, which is convenient for the fixed shell 7 to be disengaged from the outer wall of the fixed block 12, and the support shaft 5 and the connecting plate 3 can be disassembled from the gas spring body 2, which is convenient for maintenance. At the same time, when it is fixed on the gas spring body 2, through the cooperation between the fixed shell 7 and the fixed block 12, support is provided when the gas spring body 2 is lifted or lowered, which is convenient for increasing the service life of the gas spring body 2 and saving manpower and material resources.

[0027] Working principle: by pulling the card shaft 10, through the cooperation between spring three 15 and limit block 14, the limit block 14 can be disengaged from the inside of the plug block 4, which is convenient for disassembling the connecting plate 3 from the top of the gas spring body 2. At the same time, by rotating the locking block 9, through the disengagement between the locking block 9 and the locking shaft 8, through the cooperation between the spring two 11 and the lock shell 13, the locking block 9 can be pulled to fix and disconnect the two fixed shells 7, which is convenient for the fixed shell 7 to be disengaged from the outer wall of the fixed block 12. When the gas spring body 2 starts to work and rise and fall, the impact on the connecting plate 3 can be reduced by the action between the connecting plate 3 and the spring one 6, which is convenient for extending the service life of the gas spring body 2. At the same time, through the cooperation between the locking block 9 and the plug block 4, the support shaft 5 and the connecting plate 3 can be disassembled, which is convenient for maintenance. At the same time, the connecting plate 3 can be connected to other devices required to be connected, such as a swivel chair, and the moving effect can be achieved by the wheels on the lower side of the base 1.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. 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 novel gas spring for a swivel chair, comprising a base (1), characterized in that: The top side of the base (1) is fixedly connected to a gas spring body (2), the top side of the gas spring body (2) is connected to a connecting plate (3) via a connector, the left and right sides of the connecting plate (3) are rotatably connected to support shafts (5), the two support shafts (5) are connected to the middle end of the gas spring body (2) via a support assembly, the front and rear sides of the two support assemblies are connected via a locking assembly, and the front and rear sides of the connecting plate (3) are provided with locking assemblies.

2. A new type of gas spring for a swivel chair according to claim 1, characterized in that: The plug-in connector comprises a slot (16) located on the top side of the connecting plate (3) and an insert block (4) located on the top end of the gas spring body (2); the insert block (4) is arranged inside the slot (16).

3. The novel gas spring for a swivel chair according to claim 2 is characterized in that: The locking assembly comprises a locking shaft (10) located inside the connecting plate (3), one end of the locking shaft (10) facing the insert block (4) is fixedly connected to a limiting block (14), and a spring three (15) is sleeved on the outer wall of the locking shaft (10).

4. The novel gas spring for a swivel chair according to claim 1 is characterized in that: The support assembly comprises a fixed shell (7) slidably connected to the bottom end of the support shaft (5) and a fixed block (12) fixedly connected to the middle end of the gas spring body (2); the fixed block (12) is arranged inside the fixed shell (7), and the outer wall of the support shaft (5) is provided with a spring 1 (6).

5. The novel gas spring for a swivel chair according to claim 4 is characterized in that: One end of the spring 1 (6) is fixedly connected to the top side of the fixed shell (7), and the other end of the spring 1 (6) is fixedly connected to the top end of the support shaft (5).

6. The novel gas spring for a swivel chair according to claim 4 is characterized in that: The locking assembly comprises a lock shaft (8) located on the outer wall of the fixed shell (7) on the left side and a lock shell (13) rotatably connected to the outer wall of the fixed shell (7) on the right side. The lock shell (13) is slidably connected to a lock block (9) inside. The left end of the lock block (9) is arranged at the middle end of the lock shaft (8), and the right end of the lock block (9) is sleeved with a spring 2 (11).

7. The novel gas spring for a swivel chair according to claim 6 is characterized in that: One end of the second spring (11) is fixedly connected to the right side of the lock housing (13), and the other end of the second spring (11) is fixedly connected to the right end of the lock block (9).

8. The novel gas spring for a swivel chair according to claim 1 is characterized in that: A plurality of wheels are mounted on the bottom side of the base (1) via a wheel frame.

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