Gas spring with installation adjusting structure

Abstract

The utility model discloses a gas spring with a mounting adjusting structure, which relates to the technical field of gas springs and comprises a cylinder body, a piston rod is slidably mounted in the cylinder body, one end of the piston rod extends out of the cylinder body and is fixedly connected with a piston rod connector, and a connecting column is fixedly mounted at one end, far away from the piston rod, of the cylinder body. The connecting column is sleeved with a connecting sleeve, the connecting sleeve can slide relative to the connecting column, the relative angle of the connecting sleeve can be changed, the connecting sleeve is fixed through a locking mechanism on the connecting sleeve, and the end, away from the cylinder body, of the connecting sleeve is fixedly connected with a sleeve connector. According to the gas spring with the installation adjusting structure, the overall linear structure of a pneumatic spring is broken through, and installation can be more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of gas springs, in particular to a gas spring with a mounting and adjusting structure. Background Art

[0002] Gas spring is an industrial accessory that can support, buffer, brake, adjust height and angle. It consists of the following parts: pressure cylinder, piston rod, piston, sealing guide sleeve, filler (inert gas or oil-gas mixture), cylinder control element and cylinder control element (referring to controllable gas spring) and joints. The principle is to fill the closed pressure cylinder with inert gas or oil-gas mixture, so that the pressure in the cavity is several times or dozens of times higher than the atmospheric pressure, and the cross-sectional area of ​​the piston rod is smaller than the cross-sectional area of ​​the piston to generate a pressure difference to achieve the movement of the piston rod. At present, the gas springs on the market are directly selected according to the requirements for direct installation and use, and cannot be adjusted according to the conditions, which limits their scope of use.

[0003] Patent No. CN 214248111 U discloses a gas spring with adjustable installation distance, and its structure includes a main body, a cylinder is arranged on the left side of the main body, a piston rod is arranged in the middle of the right side of the cylinder, a connecting head is fixedly connected to the middle of one side of the cylinder and the piston rod, a protective mechanism is movably connected to the right side of the cylinder, an adjustment mechanism is movably connected to the middle of the upper surface of the protective mechanism, a guide sleeve is arranged on the right inner wall of the cylinder, and a sealing sleeve is arranged in the middle of the right side of the cylinder. The gas spring with adjustable installation distance, through the joint action of the slide groove, the threaded rod in the adjustment mechanism, the fixing knob and the limit block, the threaded rod drives the piston rod to slide inside the slide groove, and the length of the main body is adjusted. By turning the fixing knob, the fixing knob is in close contact with the outside of the sleeve, and the threaded rod and the piston rod are fixed, so that the gas spring can be adjusted and installed according to requirements;

[0004] The gas spring with adjustable installation distance in this patent can only adjust the installation length distance, but cannot adjust the installation angle, and there are still large space limitations during installation. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a gas spring with an installation adjustment structure, which solves the limitation problem during installation of the gas spring.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A gas spring with an installation and adjustment structure comprises a cylinder body, a piston rod is slidably installed in the cylinder body, one end of the piston rod extends out of the cylinder body and is fixedly connected to a piston rod connector, a connecting column is fixedly installed on the end of the cylinder body away from the piston rod, a connecting sleeve is sleeved on the outside of the connecting column, the connecting sleeve is slidable and has an angle changeable arrangement relative to the connecting column, and the connecting sleeve is fixed by a locking mechanism thereon, and a sleeve connector is fixedly connected to the end of the connecting sleeve away from the cylinder body.

[0008] Preferably, the connecting sleeve is cylindrical, the interior of the connecting sleeve is hollow and forms an inner cavity, a through groove is opened on the side wall of the connecting sleeve, the through groove and the inner cavity are connected, and the connecting column is inserted into the inner cavity.

[0009] Preferably, the locking mechanism comprises a locking pin and a locking piece, and one end of the locking pin passes through the connecting sleeve and the connecting column and is fixedly connected to the locking piece.

[0010] Preferably, a strip groove is formed on the side wall of the connecting column, and the locking nail is arranged to pass through the strip groove.

[0011] Preferably, the locking nail is a screw, the locking piece is in the shape of a strip, and a through hole is opened at one end thereof, and a nut is fixedly inserted in the through hole.

[0012] Preferably, a locking groove is provided on the side wall of the connecting sleeve, the inner wall of the locking groove is arranged in a plane, and the locking piece is located in the locking groove.

[0013] Preferably, two symmetrically arranged clips are provided in the inner cavity, the two clips are respectively located on both sides of the connecting column, and the clips are tightly fitted to the side walls of the connecting column, and the locking nail passes through the two clips.

[0014] Preferably, the connecting column is in a rectangular shape, and the clip is made of rubber.

[0015] Beneficial Effects

[0016] The utility model provides a gas spring with an installation and adjustment structure. Compared with the prior art, it has the following beneficial effects:

[0017] ① The gas spring with an installation and adjustment structure is provided with a connecting sleeve, and the piston rod connecting head and the sleeve connecting head are respectively connected to the outside. Due to the linear activity of the pneumatic spring, its installation method is relatively limited. By loosening the locking piece, the distance between the connecting sleeve and the cylinder body can be adjusted to increase the length of the entire device to meet assembly requirements. The connecting sleeve can also be folded, and the connecting column can be flipped out of the through groove, so that the relative angle between the connecting sleeve and the cylinder body changes, breaking the overall linear structure of the pneumatic spring.

[0018] ② The gas spring with an installation and adjustment structure is provided with a clip, a locking piece and a locking pin. After adjusting the position of the connecting sleeve relative to the cylinder body, the locking piece is rotated, and the locking piece and the locking pin drive the clip and the connecting column to clamp, so that the position between the connecting sleeve and the connecting column is relatively fixed. After the locking piece is locked, it is located in the locking groove and is not easy to swing and loosen. The locking mechanism can be well fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the disassembled structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the connecting sleeve structure of the utility model;

[0022] Figure 4 It is a cross-sectional view of the connecting sleeve of the utility model.

[0023] In the figure: 1-cylinder body; 2-piston rod; 3-piston rod connector; 4-connecting column; 5-connecting sleeve; 6-sleeve connector; 7-strip groove; 8-locking groove; 9-through groove; 10-locking piece; 11-locking nail; 12-clamp; 13-inner cavity. DETAILED DESCRIPTION

[0024] 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.

[0025] Embodiment: A gas spring with an installation and adjustment structure, see Figure 1-4 , including a cylinder body 1, in which a piston rod 2 is slidably installed, one end of the piston rod 2 extends out of the cylinder body 1 and is fixedly connected to a piston rod connector 3, a connecting column 4 is fixedly installed at the end of the cylinder body 1 away from the piston rod 2, a connecting sleeve 5 is sleeved on the outside of the connecting column 4, the connecting sleeve 5 can slide and change the relative angle setting relative to the connecting column 4, and the connecting sleeve 5 is fixed by a locking mechanism thereon, and a sleeve connector 6 is fixedly connected to the end of the connecting sleeve 5 away from the cylinder body 1.

[0026] Among them, the connecting sleeve 5 is cylindrical, the interior of the connecting sleeve 5 is hollow and forms an inner cavity 13, the side wall of the connecting sleeve 5 is provided with a through groove 9, the through groove 9 and the inner cavity 13 are connected, the connecting column 4 is inserted into the inner cavity 13, and the locking mechanism includes a locking pin 11 and a locking piece 10, one end of the locking pin 11 passes through the connecting sleeve 5 and the connecting column 4 and is fixedly connected to the locking piece 10.

[0027] Specifically, a strip groove 7 is provided on the side wall of the connecting column 4, and a locking nail 11 is passed through the strip groove 7. The locking nail 11 is a screw. The locking piece 10 is in the shape of a strip, and a through hole is provided at one end thereof. A nut is fixedly inserted in the through hole. A locking groove 8 is provided on the side wall of the connecting sleeve 5, and the inner wall of the locking groove 8 is arranged in a plane. The locking piece 10 is located in the locking groove 8. After the locking piece 10 is locked, it is located in the locking groove 8 and is not easy to swing and loosen. Two symmetrically arranged clips 12 are arranged in the inner cavity 13. The two clips 12 are respectively located on both sides of the connecting column 4, and the clips 12 and the side walls of the connecting column 4 are tightly fitted. The locking nail 11 passes through the two clips 12. The locking piece 10 is rotated, and the locking piece 10 and the locking nail 11 drive the clips 12 and the connecting column 4 to be clamped, so that the position between the connecting sleeve 5 and the connecting column 4 is relatively fixed. The connecting column 4 is in the shape of a rectangular parallelepiped, and the clips 12 are made of rubber material, which can only increase the contact area and increase the resistance.

[0028] During operation, the piston rod connector 3 and the sleeve connector 6 are respectively connected to the outside. Due to the linear activity of the pneumatic spring, its installation method is relatively limited. By loosening the locking piece 10, the distance between the connecting sleeve 5 and the cylinder body 1 can be adjusted to increase the length of the entire device to meet assembly requirements. The connecting sleeve 5 can also be folded, and the connecting column 4 is flipped out of the through groove 9, so that the relative angle between the connecting sleeve 5 and the cylinder body 1 changes, breaking the overall linear structure of the pneumatic spring. After adjusting the position of the connecting sleeve 5 relative to the cylinder body 1, the locking piece 10 is rotated, and the locking piece 10 and the locking nail 11 drive the clip 12 and the connecting column 4 to clamp, so that the position between the connecting sleeve 5 and the connecting column 4 is relatively fixed. After the locking piece 10 is locked, it is located in the locking groove 8 and is not easy to swing and loosen.

[0029] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A gas spring with an installation and adjustment structure, comprising a cylinder body (1), a piston rod (2) slidably mounted in the cylinder body (1), one end of the piston rod (2) extending out of the cylinder body (1) and fixedly connected to a piston rod connector (3), characterized in that: A connecting column (4) is fixedly mounted on one end of the cylinder body (1) away from the piston rod (2); a connecting sleeve (5) is sleeved on the outside of the connecting column (4); the connecting sleeve (5) can slide and change its relative angle relative to the connecting column (4); the connecting sleeve (5) is fixed by a locking mechanism thereon; and a sleeve connector (6) is fixedly connected to one end of the connecting sleeve (5) away from the cylinder body (1).

2. A gas spring with a mounting and adjusting structure according to claim 1, characterized in that: The connecting sleeve (5) is cylindrical in shape, and is hollow inside to form an inner cavity (13). A through groove (9) is formed on the side wall of the connecting sleeve (5), the through groove (9) and the inner cavity (13) are connected, and the connecting column (4) is inserted into the inner cavity (13).

3. A gas spring with a mounting and adjusting structure according to claim 2, characterized in that: The locking mechanism comprises a locking pin (11) and a locking piece (10), wherein one end of the locking pin (11) passes through the connecting sleeve (5) and the connecting column (4) and is fixedly connected to the locking piece (10).

4. The gas spring with a mounting and adjusting structure according to claim 3, characterized in that: The side wall of the connecting column (4) is provided with a strip groove (7), and the locking nail (11) is arranged to pass through the strip groove (7).

5. The gas spring with a mounting and adjusting structure according to claim 3, characterized in that: The locking nail (11) is a screw, and the locking piece (10) is in the shape of a strip, with a through hole formed at one end thereof, and a nut fixedly inserted in the through hole.

6. The gas spring with a mounting and adjusting structure according to claim 3, characterized in that: The side wall of the connecting sleeve (5) is provided with a locking groove (8), the inner wall of the locking groove (8) is arranged in a plane, and the locking member (10) is located in the locking groove (8).

7. The gas spring with a mounting and adjusting structure according to claim 3, characterized in that: Two symmetrically arranged clips (12) are arranged in the inner cavity (13). The two clips (12) are respectively located on both sides of the connecting column (4), and the clips (12) and the side walls of the connecting column (4) are tightly fitted. The locking nail (11) passes through the two clips (12).

8. The gas spring with a mounting and adjusting structure according to claim 7, characterized in that: The connecting column (4) is in the shape of a rectangular parallelepiped, and the clip (12) is made of rubber.

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