Precise gas spring

Abstract

The utility model relates to the technical field of gas springs, in particular to a precise gas spring which comprises a cylinder barrel, a piston rod is installed in the cylinder barrel, the ends, away from each other, of the cylinder barrel and the piston rod are fixedly connected with connectors, a protection device is arranged on the surface of the cylinder barrel, and the protection device comprises an installation barrel. The mounting barrel is fixedly connected to the surface of the cylinder barrel, a positioning block is fixedly connected to the surface of the connector on the piston rod, the piston rod is sleeved with the positioning block, a clamping rod is fixedly connected to the side, close to the cylinder barrel, of the positioning block, an inserting groove is formed in the surface of the mounting barrel, and one end of the clamping rod is inserted into the inserting groove. According to the scheme, equipment is effectively protected during transportation, the situation that the equipment shakes due to stress is effectively reduced, the working precision of the equipment is ensured, the service life of the equipment is prolonged, and normal use of the equipment is facilitated.

Description

Technical Field

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

[0002] A gas spring is an elastic element with gas as the working medium. It usually consists of a cylinder, a piston, a piston rod, a seal, etc. The working principle of the gas spring is to fill high-pressure gas in the cylinder and utilize the compressibility of the gas to achieve functions such as support, buffering, and height adjustment. With the development of society, gas springs are widely used.

[0003] Prior art such as the utility model with the publication number of CN205064673U discloses a controllable gas spring, which includes a cylinder body, a piston, and a piston rod. The piston is slidably connected to the inner cavity of the cylinder body. One end of the piston rod is fixedly connected to the piston, and the other end extends out of the cylinder body. The inner cavity at one end of the piston is filled with oil. There is a depression on the cylinder body at the other end of the piston. It also includes a push rod. An axial push rod hole is provided on the piston rod, and a piston hole is provided on the piston. One end of the push rod passes through the push rod hole and the piston hole, and one end of the push rod has a stop step. The utility model can finely adjust the movement speed of the piston.

[0004] Currently, most gas springs are randomly placed during transportation. Since the piston rod and the cylinder body are slidably connected, they are prone to being bumped and worn at the connection during transportation due to shaking, which affects the working precision of the gas spring. Therefore, improvements are needed. Summary of the Utility Model

[0005] The purpose of the utility model is to solve the problem that most gas springs are randomly placed during transportation in the prior art. Since the piston rod and the cylinder body are slidably connected, they are prone to being bumped and worn at the connection during transportation due to shaking, which affects the working precision of the gas spring. A precision gas spring is proposed.

[0006] To achieve the above object, the utility model adopts the following technical solution: a precision gas spring, including a cylinder barrel, a piston rod is installed inside the cylinder barrel, connection heads are fixedly connected to both ends of the cylinder barrel and the piston rod away from each other, a protection device is arranged on the surface of the cylinder barrel, the protection device includes an installation cylinder, the installation cylinder is fixedly connected to the surface of the cylinder barrel, a positioning block is fixedly connected to the surface of the connection head on the piston rod, the positioning block is sleeved on the piston rod, a clamping rod is fixedly connected to one side of the positioning block close to the cylinder barrel, a slot is opened on the surface of the installation cylinder, one end of the clamping rod is inserted into the slot, a buckle sleeve is fixedly connected to the surface of the installation cylinder, a control ring is slidably connected to the inner wall of the buckle sleeve, a hook is fixedly connected to the upper surface of the control ring, and an auxiliary device is arranged on the surface of the installation cylinder. This solution effectively protects the equipment during transportation, effectively reduces the shaking of the equipment caused by force, ensures the working precision of the equipment, improves the service life of the equipment, and facilitates the normal use of the equipment.

[0007] Preferably, the number of the hooks, slots, clamping rods and buckle sleeves is three, and the three hooks, slots, clamping rods and buckle sleeves are arranged in a circumferential array.

[0008] Preferably, a guiding block is fixedly connected to the upper surface of the hook, and the upper surface of the guiding block is inclined. Before transportation, the piston rod is pushed into the cylinder barrel, the piston rod drives the connection head, the positioning block and the clamping rod to displace. When the clamping rod is inserted to the bottom of the slot, then operate the control motor to drive the rubber wheel to rotate. The rubber wheel drives the control ring and the hook to rotate, and the hook then hooks on the convex block of the clamping rod. Then turn off the control motor, and the product can be put into the package for transportation operation.

[0009] Preferably, a guiding inclined surface is arranged on the surface of the installation cylinder, and one end of the guiding inclined surface leads to the slot, which is convenient for the normal use of the equipment.

[0010] Preferably, the control ring is circular, and the inner diameter of the control ring is larger than the outer diameter of the installation cylinder to ensure the stable rotation of the control ring.

[0011] Preferably, the auxiliary device includes an installation seat, the installation seat is fixedly connected to the surface of the installation cylinder, a control motor is fixedly connected to the inner wall of the installation seat, and a rubber wheel is fixedly connected to the driving end of the control motor. When taking the product, only need to operate the control motor to drive the rubber wheel to reverse, then the control ring drives the hook to disengage from the clamping rod, and then the piston rod can be controlled to push out.

[0012] Preferably, the rubber wheel is cylindrical, and the rubber wheel is in transmission connection with the surface of the control ring. The motor drives the control ring to rotate through the rubber wheel.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are as follows:

[0014] In the present utility model, before transportation, the piston rod is pushed into the cylinder barrel. The piston rod drives the connecting head, positioning block and clamping rod to displace. When the clamping rod is inserted into the bottom of the card slot, then operate the control motor to drive the rubber wheel to rotate. The rubber wheel drives the control ring and the hook to rotate. The hook then hooks on the convex block of the clamping rod. Then turn off the control motor, and the product can be put into the package for transportation operation. When taking the product, only need to operate the control motor to drive the rubber wheel to reverse, then the control ring drives the hook to disengage from the clamping rod, and then the piston rod can be controlled to push out. This solution effectively protects the equipment during transportation, effectively reduces the situation of the equipment shaking due to force, ensures the working accuracy of the equipment, improves the service life of the equipment, and facilitates the normal use of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a three-dimensional structural schematic diagram of a precision gas spring proposed by the present utility model;

[0016] Figure 2 is in a precision gas spring proposed by the present utility model Figure 1 structural schematic diagram of part A;

[0017] Figure 3 is a structural schematic diagram when the precision gas spring proposed by the present utility model is in use;

[0018] Figure 4 is in a precision gas spring proposed by the present utility model Figure 3 structural schematic diagram of part B;

[0019] Figure 5 is a structural schematic diagram of the installation cylinder in the precision gas spring proposed by the present utility model.

[0020] LEGEND DESCRIPTION:

[0021] 1, cylinder barrel; 2, piston rod; 3, connecting head; 4, protection device; 41, control ring; 42, buckle sleeve; 43, hook; 44, guide block; 45, clamping rod; 46, slot; 47, guiding inclined surface; 48, installation cylinder; 49, positioning block; 5, auxiliary device; 51, mounting seat; 52, control motor; 53, rubber wheel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Please refer to Figures 1 - 5, the present utility model provides a technical solution: a precision gas spring, including a cylinder barrel 1, a piston rod 2 is installed inside the cylinder barrel 1, connection heads 3 are fixedly connected to both ends of the cylinder barrel 1 and the piston rod 2 that are away from each other, a protection device 4 is arranged on the surface of the cylinder barrel 1, the protection device 4 includes an installation cylinder 48, the installation cylinder 48 is fixedly connected to the surface of the cylinder barrel 1, a positioning block 49 is fixedly connected to the surface of the connection head 3 on the piston rod 2, the positioning block 49 is sleeved on the piston rod 2, a clamping rod 45 is fixedly connected to one side of the positioning block 49 close to the cylinder barrel 1, a slot 46 is formed on the surface of the installation cylinder 48, one end of the clamping rod 45 is inserted into the slot 46, a buckle sleeve 42 is fixedly connected to the surface of the installation cylinder 48, a control ring 41 is slidably connected to the inner wall of the buckle sleeve 42, a hook 43 is fixedly connected to the upper surface of the control ring 41, an auxiliary device 5 is arranged on the surface of the installation cylinder 48. This solution effectively protects the device during transportation, effectively reduces the situation of the device shaking due to force, ensures the working accuracy of the device, improves the service life of the device, and facilitates the normal use of the device.

[0023] Specifically, the number of the hooks 43, slots 46, clamping rods 45 and buckle sleeves 42 is three, and the three hooks 43, slots 46, clamping rods 45 and buckle sleeves 42 are all arranged in a circumferential array.

[0024] In this embodiment: a guiding block 44 is fixedly connected to the upper surface of the hook 43, and the upper surface of the guiding block 44 is inclined. Before transportation, the piston rod 2 is pushed into the cylinder barrel 1, the piston rod 2 drives the connection head 3, positioning block 49 and clamping rod 45 to displace. After the clamping rod 45 is inserted to the bottom of the slot, then operate the control motor 52 to drive the rubber wheel 53 to rotate. The rubber wheel 53 drives the control ring 41 and the hook 43 to rotate. The hook 43 then hooks on the convex block of the clamping rod 45. Then turn off the control motor 52, and the product can be put into the package for transportation operation.

[0025] Specifically, a guiding inclined surface 47 is arranged on the surface of the installation cylinder 48, and one end of the guiding inclined surface 47 leads to the slot 46, which is convenient for the normal use of the device.

[0026] Specifically, the control ring 41 is circular, and the inner diameter of the control ring 41 is larger than the outer diameter of the installation cylinder 48 to ensure the stable rotation of the control ring 41.

[0027] In this embodiment: the auxiliary device 5 includes an installation seat 51, the installation seat 51 is fixedly connected to the surface of the installation cylinder 48, a control motor 52 is fixedly connected to the inner wall of the installation seat 51, and a rubber wheel 53 is fixedly connected to the driving end of the control motor 52. When taking the product, only need to operate the control motor 52 to drive the rubber wheel 53 to reverse, then the control ring 41 drives the hook 43 to disengage from the clamping rod 45, and then the piston rod 2 can be controlled to push out.

[0028] Specifically, the rubber wheel 53 is cylindrical, and the rubber wheel 53 is drivingly connected to the surface of the control ring 41. The motor drives the control ring 41 to rotate through the rubber wheel 53.

[0029] Working principle: Before transportation, the piston rod 2 is pushed into the cylinder barrel 1. The piston rod 2 drives the connector 3, the positioning block 49 and the latch rod 45 to displace. Wait until the latch rod 45 is inserted into the bottom of the card slot. Then operate the control motor 52 to drive the rubber wheel 53 to rotate. The rubber wheel 53 drives the control ring 41 and the hook 43 to rotate. The hook 43 then hooks on the convex block of the latch rod 45. Then turn off the control motor 52, and the product can be put into the package for transportation operation. When taking the product, only need to operate the control motor 52 to drive the rubber wheel 53 to reverse. Then the control ring 41 drives the hook 43 to disengage from the latch rod 45. Then the piston rod 2 can be controlled to push out. This solution effectively protects the equipment during transportation, effectively reduces the shaking of the equipment due to force, ensures the working accuracy of the equipment, improves the service life of the equipment, and facilitates the normal use of the equipment.

Claims

1. A precision gas spring, comprising a cylinder (1), a piston rod (2) being installed inside the cylinder (1), and a connector (3) being fixedly connected to the ends of the cylinder (1) and the piston rod (2) which are away from each other, characterized in that: The surface of the cylinder (1) is provided with a protective device (4), and the protective device (4) comprises a mounting tube (48), and the mounting tube (48) is fixedly connected to the surface of the cylinder (1); the surface of the connecting head (3) on the piston rod (2) is fixedly connected to a positioning block (49), and the positioning block (49) is sleeved on the piston rod (2); a clamping rod (45) is fixedly connected to the side of the positioning block (49) close to the cylinder (1); a slot (46) is provided on the surface of the mounting tube (48), and one end of the clamping rod (45) is inserted into the slot (46); a buckle sleeve (42) is fixedly connected to the surface of the mounting tube (48), and a control ring (41) is slidably connected to the inner wall of the buckle sleeve (42); a clamping hook (43) is fixedly connected to the upper surface of the control ring (41); and an auxiliary device (5) is provided on the surface of the mounting tube (48).

2. A precision gas spring according to claim 1, characterized in that: The number of the hooks (43), the slots (46), the rods (45) and the buckle sleeves (42) is three, and the three hooks (43), the slots (46), the rods (45) and the buckle sleeves (42) are arranged in a circular array.

3. A precision gas spring according to claim 1, characterized in that: The upper surface of the hook (43) is fixedly connected to a guide block (44), and the upper surface of the guide block (44) is inclined.

4. A precision gas spring according to claim 1, characterized in that: A guide slope (47) is provided on the surface of the installation cylinder (48), and one end of the guide slope (47) leads to the slot (46).

5. The precision gas spring according to claim 1, characterized in that: The control ring (41) is in the shape of a circular ring, and the inner diameter of the control ring (41) is greater than the outer diameter of the mounting tube (48).

6. A precision gas spring according to claim 1, characterized in that: The auxiliary device (5) comprises a mounting seat (51), the mounting seat (51) being fixedly connected to the surface of the mounting cylinder (48), the inner wall of the mounting seat (51) being fixedly connected to a control motor (52), and the driving end of the control motor (52) being fixedly connected to a rubber wheel (53).

7. A precision gas spring according to claim 6, characterized in that: The rubber wheel (53) is cylindrical, and the rubber wheel (53) is drivingly connected to the surface of the control ring (41).

Images