Lifting air rod for fitness seat

Abstract

The utility model provides a lifting air rod for a fitness seat, which comprises a guide cylinder used for being fixedly mounted on a seat base. The core rod piece is installed in the guide cylinder in a sliding mode, and the top of the core rod piece extends out of the guide cylinder in a sliding mode and is fixedly connected with the bottom of the seat plate; a fixing block is arranged in the guide cylinder in a sliding mode, one end of the piston piece is fixedly arranged on the fixing block, and the other end of the piston piece stretches into the core rod piece in a sealed and sliding mode; and the resistance adjusting assembly is arranged in the guide cylinder and is used for adjusting the retraction resistance of the core rod piece. The device has the advantages of being suitable for being installed on a seat for fitness and being matched with corresponding fitness actions to achieve exercise and rehabilitation.

Description

Technical Field

[0001] The utility model relates to the technical field of seat accessory design, in particular to a lifting gas rod for a fitness seat. Background Art

[0002] The lifting gas rod is a common mechanical device, which is mainly used to lift and lower the height of objects. Its working principle is to use air pressure or hydraulic pressure to achieve the lifting function.

[0003] As disclosed in the invention patent with publication number CN201410452704.2 and the name of a gas pressure rod, it includes an outer tube and a telescopic rod axially extending inside and outside the first end wall of the outer tube; a fixing seat is fixed in the outer tube, a valve plug is inserted into the channel of the fixing seat, an inner tube with a hollow chamber is axially adjacent to the fixing seat, and the telescopic rod is close to the inner edge of the inner tube with a piston member; the inner tube made of plastic material is integrally extended by the fixing seat made of plastic material, and the fixing seat extends an annular wall at the edge of the channel to extend the length of the channel.

[0004] Because the maximum weight that the above-mentioned pneumatic rod is designed to carry is the weight of the seat and the backrest, when the pneumatic rod is retracted, a person only needs to apply a little force to lower it, and the retraction resistance is almost zero, which makes it impossible to act on the fitness chair and achieve the effect of exercising. Furthermore, the resistance of the pneumatic rod to its lifting and lowering cannot be adjusted during use, resulting in a small range of people who are suitable for it. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a lifting gas rod for a fitness chair, which is used to solve the technical problems that the existing gas pressure rod cannot act on the fitness chair, cannot adjust the lifting resistance when in use, and is applicable to a small range of people.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions:

[0007] A lifting gas rod for a fitness chair comprises a guide cylinder, which is used to be fixedly installed on a chair base; a core rod member, which is slidably installed in the guide cylinder, and the top of the core rod member slides out of the guide cylinder and is fixedly connected to the bottom of the chair seat; a piston member, a fixed block is slidably provided in the guide cylinder, one end of the piston member is fixed on the fixed block, and the other end of the piston member is sealed and slidably extended into the core rod member; and a resistance adjustment component, which is arranged in the guide cylinder and is used to adjust the retraction resistance of the core rod member.

[0008] Working principle:

[0009] The device is a lifting gas rod for a fitness chair, which is mainly used for being installed on the fitness chair.

[0010] During installation, the guide cylinder only needs to be installed on the base of the seat, and the core rod member at the other end of the guide cylinder is connected and fixed to the bottom of the seat plate, and the seat can be used after the installation is completed.

[0011] When in use, a person applies downward pressure on the seat plate, and the seat is retracted downward by the sliding of the core rod member in the guide cylinder. When the person stops applying pressure, the resistance adjustment assembly and the piston member cooperate with the core rod member to make the seat plate rise.

[0012] Beneficial effects obtained:

[0013] First, the guide tube and the core rod are provided, and the guide tube and the core rod can be effectively connected with the seat base and the seat seat plate respectively, so that the device can be installed on the seat.

[0014] Secondly, a piston is provided, which can effectively make the core rod member rebound through the cooperation of the piston member in the core rod member and the air pressure inside the core rod member.

[0015] Thirdly, a resistance adjustment component is provided, which can effectively adjust the resistance of the core rod and the seat plate to retract, thereby increasing the scope of application of the device for people with different strengths. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the installation state of an embodiment of the utility model;

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of an embodiment of the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the structure at A;

[0019] Figure 4 for Figure 2 Enlarged schematic diagram of the structure at B.

[0020] In the above drawings: 1. guide cylinder; 2. fixing block; 3. outer sleeve; 4. inner sleeve; 5. upper sealing block; 6. lower sealing block; 7. cavity; 8. ventilation channel; 9. fixing head; 10. piston rod; 11. piston head; 12. first spring; 13. second spring; 14. fixing bolt; 15. slide groove; 16. slider; 17. adjustment hole; 18. limit sleeve; 19. anti-collision block. DETAILED DESCRIPTION

[0021] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Example:

[0023] Reference Figure 1 to Figure 4 , is a lifting gas rod for a fitness chair, comprising a guide cylinder 1, the guide cylinder 1 is used to be fixedly installed on the seat base, and a collision prevention block 19 is provided on the top of the guide cylinder 1 to prevent collision with the seat base. Figure 2 As shown, it also includes a core rod member, which is slidably installed in the guide cylinder 1. The top of the core rod member slides out of the guide cylinder 1 and is fixedly connected to the bottom of the seat seat. The core rod member includes an outer sleeve 3, an inner sleeve 4, an upper sealing block 5 and a lower sealing block 6. The outer sleeve 3 is slidably arranged in the guide cylinder 1, the inner sleeve 4 is arranged in the outer sleeve 3 and a cavity 7 is provided between the outer wall of the inner sleeve 4 and the inner wall of the outer sleeve 3. The upper sealing block 5 is fixedly sealed at the top of the outer sleeve 3 and is fixedly sealed and connected to the top of the inner sleeve 4. The lower sealing block 6 is fixedly sealed at the bottom of the outer sleeve 3 and is fixedly sealed and connected to the bottom of the inner sleeve 4. Ventilation channels 8 are provided on the upper sealing block 5 and the lower sealing block 6, and the two ends of each of the venting channels 8 are respectively connected to the cavity 7 and the inside of the inner sleeve 4. It also includes a piston part, a fixed block 2 is slidably provided in the guide cylinder 1, one end of the piston part is fixed on the fixed block 2, and the other end of the piston part is sealed and slidably extended into the core rod part, and the piston part includes a fixed head 9, a piston rod 10 and a piston head 11, the fixed head 9 is fixed on the fixed block 2, the piston rod 10 is fixed on the fixed head 9 and the top is sealed and slidably extended into the inner sleeve 4, the piston head 11 is sealed and slidably provided in the inner sleeve 4 and the bottom of the piston head 11 is fixedly connected to the top of the piston rod 10. In this way, the inner sleeve 4 is divided into two upper and lower chambers by the provided piston head 11, and the air pressure in the two chambers is circulated and moved through the ventilation channels 8 on the upper and lower heads, and the outer sleeve 3 and the inner sleeve 4 are extended and retracted along the piston rod 10 and the guide cylinder 1 by the difference in the upper and lower air pressures of the piston head 11. This kind of movement principle technology is a common technology used in existing gas pressure rod structures, and this article will not elaborate on its specific principles.

[0024] like Figure 2 and Figure 4As shown, it also includes a resistance adjustment component, which is arranged in the guide cylinder 1 and is used to adjust the retraction resistance of the core rod. The resistance adjustment component includes a first spring 12, a second spring 13 and a fixing bolt 14, the two ends of the first spring 12 are respectively in contact with the bottom of the lower sealing block 6 and the top of the fixed head 9, a slide groove 15 is vertically opened on the side wall of the guide cylinder 1, a slider 16 is fixed on the side wall of the fixed block 2, and the slider 16 is slidably arranged in the slide groove 15, the two ends of the second spring 13 are respectively in contact with the bottom of the fixed block 2 and the inner bottom of the guide cylinder 1, a plurality of adjustment holes 17 connected with the slide groove 15 are vertically opened on the side wall of the guide cylinder 1, the fixing bolt 14 slides through one of the adjustment holes 17 and is threadedly connected with the side wall of the fixed block 2, and a limit sleeve 18 is fixedly provided on the side wall of the piston rod 10 near the fixed head 9. Such a configuration can effectively increase the rebound speed of the core rod as a whole in the guide cylinder 1 through the first spring 12, and can increase the resistance when a person applies downward pressure, and can effectively further increase the downward resistance through the second spring 13, and make the core rod and the piston as a whole movable to a larger extent, which is suitable for people who need to strengthen exercise. Through the cooperation of the fixing bolt 14 and the plurality of adjustment holes 17, the fixing block 2 can be adjusted in height in the guide cylinder 1, so that people of different heights and shapes can use it, and the fixing of the fixing bolt 14 can lock the second spring 13, thereby reducing the downward resistance, realizing the adjustment and control of the resistance, and increasing the use of people of different strengths.

[0025] Working principle:

[0026] During installation, the guide cylinder 1 only needs to be installed on the seat base, and the core rod at the other end of the guide cylinder 1 is connected and fixed to the bottom of the seat seat, and it can be used after installation. During use, the staff applies downward pressure on the seat seat, and the outer sleeve 3 slides in the guide cylinder 1 to achieve the downward retraction of the seat seat. When the staff does not apply pressure, the seat seat is raised with the cooperation of the piston and the core rod. The height of the fixing block 2 can be effectively adjusted by adjusting the position of the fixing bolt 14, and the retraction resistance can be adjusted by locking the fixing block 2 and the second spring 13.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A lifting gas rod for a fitness chair, characterized in that: include, A guide cylinder (1), wherein the guide cylinder (1) is used for being fixedly mounted on a seat base; A core rod member, the core rod member being slidably mounted in a guide cylinder (1), the top of the core rod member slidingly extending out of the guide cylinder (1) and being fixedly connected to the bottom of the seat plate; A piston member, wherein a fixed block (2) is slidably disposed in the guide cylinder (1), one end of the piston member is fixedly disposed on the fixed block (2), and the other end of the piston member is sealingly and slidably extended into the core rod member; A resistance adjustment component is arranged in the guide tube (1) and is used to adjust the retraction resistance of the core rod.

2. The lifting gas rod for a fitness chair according to claim 1, characterized in that: The core rod member comprises an outer sleeve (3), an inner sleeve (4), an upper sealing block (5) and a lower sealing block (6); the outer sleeve (3) is slidably arranged in the guide sleeve (1); the inner sleeve (4) is arranged in the outer sleeve (3) and a cavity (7) is arranged between the outer wall of the inner sleeve (4) and the inner wall of the outer sleeve (3); the upper sealing block (5) is fixedly and sealingly arranged at the top of the outer sleeve (3) and is fixedly and sealingly connected to the top of the inner sleeve (4); the lower sealing block (6) is fixedly and sealingly arranged at the bottom of the outer sleeve (3) and is fixedly and sealingly connected to the bottom of the inner sleeve (4); the upper sealing block (5) and the lower sealing block (6) are both provided with ventilation channels (8); and the two ends of each ventilation channel (8) are respectively connected to the cavity (7) and the inside of the inner sleeve (4).

3. The lifting gas rod for a fitness chair according to claim 2, characterized in that: The piston member comprises a fixed head (9), a piston rod (10) and a piston head (11); the fixed head (9) is fixedly mounted on the fixed block (2); the piston rod (10) is fixedly mounted on the fixed head (9) and the top of the piston rod (10) is sealably slidably mounted in the inner sleeve (4); the piston head (11) is sealably slidably mounted in the inner sleeve (4) and the bottom of the piston head (11) is fixedly connected to the top of the piston rod (10).

4. The lifting gas rod for a fitness chair according to claim 3, characterized in that: The resistance adjustment assembly comprises a first spring (12), a second spring (13) and a fixing bolt (14); the two ends of the first spring (12) are respectively in contact with the bottom of the lower sealing block (6) and the top of the fixed head (9); a sliding groove (15) is vertically provided on the side wall of the guide cylinder (1); a sliding block (16) is fixedly provided on the side wall of the fixed block (2); the sliding block (16) is slidably arranged in the sliding groove (15); the two ends of the second spring (13) are respectively in contact with the bottom of the fixed block (2) and the inner bottom of the guide cylinder (1); a plurality of adjustment holes (17) connected with the sliding groove (15) are vertically provided on the side wall of the guide cylinder (1); the fixing bolt (14) slides through one of the adjustment holes (17) and is threadedly connected with the side wall of the fixed block (2).

5. The lifting gas rod for a fitness chair according to claim 4, characterized in that: A limiting sleeve (18) is provided on the fixed sleeve on the side wall of the piston rod (10) close to one end of the fixed head (9).

6. The lifting gas rod for a fitness chair according to claim 1, characterized in that: An anti-collision block (19) is provided on the top of the guide cylinder (1).

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