Gas spring with dustproof mechanism

Abstract

The utility model discloses a gas spring with a dustproof mechanism, which relates to the technical field of gas springs, and comprises a pressure cylinder, a piston rod and a rod end joint, a transparent protective cover is arranged on the side surface of the rod end joint, the transparent protective cover is sleeved outside the pressure cylinder and the piston rod, one end of the transparent protective cover is provided with fan blades, and the outer side of the pressure cylinder is provided with a moving ring. The moving ring linearly moves in a reciprocating mode in the axis direction of the pressure cylinder, a rotatable rotating ring is arranged on the inner side of the moving ring, bristles are arranged on the inner side of the rotating ring, a gear ring is arranged on the side face of the rotating ring, and a rotatable gear is arranged on one side of the gear ring; according to the utility model, dust is effectively prevented from entering through multi-stage protection measures such as protection of the transparent protective cover and dust removal through cooperation of the fan blades and the bristles.

Description

Technical Field

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

[0002] Gas spring is an industrial accessory that can perform functions such as support, cushioning, braking, height adjustment and angle adjustment. It consists of a pressure cylinder, piston rod, piston, sealing guide sleeve, filler, cylinder control element, cylinder external control element and joint.

[0003] Dust may enter the connection between the existing exposed piston rod and the cylinder, which may easily lead to a reduction in the volume of the cylinder and an increase in the sliding friction of the piston rod at the connection, thus easily reducing the service life of the gas spring.

[0004] In view of the above problems, the utility model provides a gas spring with a dustproof mechanism. Utility Model Content

[0005] The utility model aims to provide a gas spring with a dustproof mechanism, which effectively prevents dust from entering through multi-level protection measures such as transparent protective cover protection and fan blades with brush cleaning, thereby solving the problems in the background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas spring with a dustproof mechanism, comprising a pressure cylinder, a piston rod and a rod end joint, a transparent protective cover is arranged on the side of the rod end joint, the transparent protective cover is sleeved on the outside of the pressure cylinder and the piston rod, a fan blade is arranged at one end of the transparent protective cover, a movable ring is arranged on the outside of the pressure cylinder, the movable ring reciprocates in a straight line along the axis direction of the pressure cylinder, a rotatable rotating ring is arranged on the inside of the movable ring, bristles are arranged on the inside of the rotating ring, a gear ring is arranged on the side of the rotating ring, and a rotatable gear is arranged on one side of the gear ring.

[0007] Furthermore, one end of the transparent protective cover is fixedly connected to the side of the rod end joint, and the inner side of the transparent protective cover is slidably connected to the outer side of the pressure cylinder.

[0008] Furthermore, the transparent protective cover is formed with two symmetrical side panels on the outer side away from the rod end joint, a first motor is fixedly mounted on the side of the side panel, and a fan blade is fixedly mounted on the output end of the first motor.

[0009] Furthermore, a support plate is fixedly connected to the outside of one end of the pressure cylinder, and a second motor and a guide rod are respectively fixed to the two ends of the side of the support plate. A screw rod is fixedly connected to the output end of the second motor, and both ends of the movable ring are formed with bumps, one of which is threadedly connected to the screw rod, and the other is slidably connected to the guide rod.

[0010] Furthermore, the outer side of the rotating ring is rotatably connected to the inner side of the moving ring through a bearing, and a plurality of evenly distributed bristles are fixedly connected to the inner side of the rotating ring.

[0011] Furthermore, a gear ring is fixedly connected to the side of the rotating ring, the gear ring is meshed with a gear, a third motor is arranged on one side of the gear, a gear is fixedly installed at the output end of the third motor, and the third motor is fixedly installed on the side of the protrusion.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] The utility model provides a gas spring with a dustproof mechanism. When the piston rod is working, it drives the transparent protective cover to extend and retract outside the pressure cylinder and the piston rod, and continuously protects against dust and other impurities entering the connection between the pressure cylinder and the piston rod. Each time before the transparent protective cover moves, the fan blades rotate first, and then the gear rotates to drive the gear ring to rotate, and then drives the bristles in the rotating ring to rotate, and then the moving ring reciprocates along a straight line, and the bristles move and rotate to clean the dust outside the pressure cylinder, and the fan blades rotate to blow away the dust, ensuring that the outside of the pressure cylinder is clean, and then the transparent protective cover will not bring dust into the connection of the piston rod when it moves outside the pressure cylinder. The purpose of this design is to effectively prevent dust from entering through multi-level protection measures such as transparent protective cover protection and fan blades cooperating with bristles to clean dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the transparent protective cover in the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the mobile ring in the utility model;

[0017] Figure 4 It is a schematic diagram of the rotating ring structure in the utility model.

[0018] In the figure: 1. pressure cylinder; 2. piston rod; 3. rod end joint; 4. transparent protective cover; 5. side panel; 6. first motor; 7. fan blade; 8. second motor; 9. screw rod; 10. guide rod; 11. moving ring; 12. bump; 13. rotating ring; 14. bristles; 15. gear ring; 16. gear; 17. third motor. DETAILED DESCRIPTION

[0019] 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.

[0020] In order to solve the technical problem of how to effectively prevent dust, such as Figure 1-4 As shown, the following preferred technical solutions are provided:

[0021] A gas spring with a dustproof mechanism comprises a pressure cylinder 1, a piston rod 2 and a rod end joint 3, a transparent protective cover 4 is arranged on the side of the rod end joint 3, the transparent protective cover 4 is sleeved on the outside of the pressure cylinder 1 and the piston rod 2, a fan blade 7 is arranged at one end of the transparent protective cover 4, a moving ring 11 is arranged on the outside of the pressure cylinder 1, the moving ring 11 reciprocates along the axis direction of the pressure cylinder 1, a rotatable rotating ring 13 is arranged on the inside of the moving ring 11, bristles 14 are arranged on the inside of the rotating ring 13, a gear ring 15 is arranged on the side of the rotating ring 13, and a rotatable gear 16 is arranged on one side of the gear ring 15.

[0022] Specifically, when the piston rod 2 is working, it drives the transparent protective cover 4 to extend and retract outside the pressure cylinder 1 and the piston rod 2, and continuously protects against dust and other impurities entering the connection between the pressure cylinder 1 and the piston rod 2. Each time before the transparent protective cover 4 moves, the fan blade 7 rotates first, and then the gear 16 rotates to drive the gear ring 15 to rotate, and then drives the bristles 14 in the rotating ring 13 to rotate, and then the moving ring 11 reciprocates along a straight line, and the bristles 14 move and rotate to clean the dust outside the pressure cylinder 1, and the fan blades 7 rotate to blow away the dust, ensuring that the outside of the pressure cylinder 1 is clean, and then the transparent protective cover 4 will not bring dust into the connection between the piston rod 2 when it moves outside the pressure cylinder 1. The purpose of this design is to effectively prevent dust from entering through multi-level protection measures such as protection by the transparent protective cover 4 and cleaning by the fan blades 7 and the bristles 14.

[0023] Further, such as Figure 1 and Figure 2 As shown, the following preferred technical solutions are provided:

[0024] One end of the transparent protective cover 4 is fixedly connected to the side of the rod end joint 3, and the inner side of the transparent protective cover 4 is slidably connected to the outer side of the pressure cylinder 1. The purpose of this design is to protect the piston rod 2 and the connection through the transparent protective cover 4 to prevent dust from entering.

[0025] Further, such as Figure 1 As shown, the following preferred technical solutions are provided:

[0026] The transparent protective cover 4 is formed with two symmetrical side panels 5 on the outer side away from the rod end joint 3. A first motor 6 is fixedly mounted on the side of the side panel 5. A fan blade 7 is fixedly mounted on the output end of the first motor 6. The purpose of this design is to rotate the first motor 6 to drive the fan blade 7 to rotate, thereby blowing away the dust.

[0027] Further, such as Figure 1-4 As shown, the following preferred technical solutions are provided:

[0028] A support plate is fixedly connected to the outside of one end of the pressure cylinder 1, and a second motor 8 and a guide rod 10 are respectively fixed at both ends of the side of the support plate. A screw rod 9 is fixedly connected to the output end of the second motor 8, and both ends of the moving ring 11 are formed with bumps 12, one of which is threadedly connected to the screw rod 9, and the other is slidably connected to the guide rod 10. The purpose of this design is to rotate the second motor 8 to drive the screw rod 9 to rotate, and then drive the moving ring 11 to reciprocate along a straight line.

[0029] Further, such as Figure 4 As shown, the following preferred technical solutions are provided:

[0030] The outer side of the rotating ring 13 is rotatably connected to the inner side of the moving ring 11 through a bearing, and a plurality of evenly distributed bristles 14 are fixedly connected to the inner side of the rotating ring 13. The purpose of this design is to ensure that the rotating ring 13 can rotate and drive the bristles 14 to rotate and clean dust.

[0031] Further, such as Figure 1-4 As shown, the following preferred technical solutions are provided:

[0032] A gear ring 15 is fixedly connected to the side of the rotating ring 13, and the gear ring 15 is meshed with a gear 16. A third motor 17 is provided on one side of the gear 16. The gear 16 is fixedly installed on the output end of the third motor 17. The third motor 17 is fixedly installed on the side of the protrusion 12. The purpose of this design is that the third motor 17 rotates to drive the gear 16 to rotate, and drives the rotating ring 13 to rotate by meshing with the gear ring 15.

[0033] To sum up: when the piston rod 2 is working, it drives the transparent protective cover 4 to extend and retract outside the pressure cylinder 1 and the piston rod 2, and continuously protects against dust and other impurities entering the connection between the pressure cylinder 1 and the piston rod 2. Each time before the transparent protective cover 4 moves, the fan blade 7 rotates first, and then the gear 16 rotates to drive the gear ring 15 to rotate, and then drives the bristles 14 in the rotating ring 13 to rotate, and then the moving ring 11 reciprocates along a straight line, and the bristles 14 move and rotate to clean the dust on the outside of the pressure cylinder 1, and the fan blades 7 rotate to blow away the dust, ensuring that the outside of the pressure cylinder 1 is clean, and then the transparent protective cover 4 will not bring dust into the connection between the piston rod 2 when it moves outside the pressure cylinder 1. The purpose of this design is to effectively prevent dust from entering through multi-level protection measures such as protection by the transparent protective cover 4 and cleaning by the fan blades 7 and the bristles 14.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Although 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 spring with a dustproof mechanism, comprising a pressure cylinder (1), a piston rod (2) and a rod end joint (3), characterized in that: A transparent protective cover (4) is arranged on the side of the rod end joint (3), and the transparent protective cover (4) is sleeved on the outside of the pressure cylinder (1) and the piston rod (2). A fan blade (7) is arranged at one end of the transparent protective cover (4). A moving ring (11) is arranged on the outside of the pressure cylinder (1), and the moving ring (11) reciprocates along the axis of the pressure cylinder (1). A rotatable rotating ring (13) is arranged on the inside of the moving ring (11), and bristles (14) are arranged on the inside of the rotating ring (13). A gear ring (15) is arranged on the side of the rotating ring (13), and a rotatable gear (16) is arranged on one side of the gear ring (15).

2. A gas spring with a dustproof mechanism according to claim 1, characterized in that: One end of the transparent protective cover (4) is fixedly connected to the side of the rod end joint (3), and the inner side of the transparent protective cover (4) is slidably connected to the outer side of the pressure cylinder (1).

3. A gas spring with a dustproof mechanism according to claim 1, characterized in that: The transparent protective cover (4) has two symmetrical side panels (5) formed on the outer side of one end away from the rod end joint (3), a first motor (6) is fixedly mounted on the side of the side panel (5), and a fan blade (7) is fixedly mounted on the output end of the first motor (6).

4. A gas spring with a dustproof mechanism according to claim 1, characterized in that: A support plate is fixedly connected to the outside of one end of the pressure cylinder (1), a second motor (8) and a guide rod (10) are respectively fixedly provided at both ends of the side surface of the support plate, a screw rod (9) is fixedly connected to the output end of the second motor (8), and protrusions (12) are formed and processed at both ends of the moving ring (11), one of the protrusions (12) is threadedly connected to the screw rod (9), and the other protrusion (12) is slidably connected to the guide rod (10).

5. The gas spring with dustproof mechanism according to claim 1, characterized in that: The outer side of the rotating ring (13) is rotatably connected to the inner side of the moving ring (11) via a bearing, and a plurality of evenly distributed bristles (14) are fixedly connected to the inner side of the rotating ring (13).

6. A gas spring with a dustproof mechanism according to claim 1, characterized in that: A gear ring (15) is fixedly connected to the side of the rotating ring (13), the gear ring (15) is meshed with a gear (16), a third motor (17) is arranged on one side of the gear (16), the gear (16) is fixedly mounted on the output end of the third motor (17), and the third motor (17) is fixedly mounted on the side of the protrusion (12).

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