CN215214513U

CN215214513U - Air spring fixing device

Info

Publication number: CN215214513U
Application number: CN202121583808.9U
Authority: CN
Inventors: 蒋卿; 张建南; 庄仲武; 张瑜; 张志刚
Original assignee: Changzhou Fuxin Auto Parts Co ltd
Current assignee: Changzhou Fuxin Auto Parts Co ltd
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-12-17
Anticipated expiration: 2031-07-12

Abstract

The utility model discloses an air spring fixing device, which comprises a cylinder body, a piston arranged in the cylinder body, a first fixing device arranged at one end of the piston exposed out of the cylinder body, and a second fixing device arranged at one end of the cylinder body far away from the piston, wherein the first fixing device comprises an annular body movably arranged at one end of the piston exposed out of the cylinder body; one end of the column body is movably arranged on the annular body; the tubular body is sleeved 5 on the column body; the cover body is arranged at the other end of the column body; the connecting block is arranged on the outer surface of the tubular body; and the second fixing device is arranged on the connecting block. Because present air spring is usually through hinged joint, only rotates in a plane, and the utility model discloses an air spring fixing device contains the universal joint structure and is applicable in more occasions. And the utility model discloses a fixing device makes air spring simple to operate, the staff's of being convenient for installation.

Description

Air spring fixing device

Technical Field

The utility model relates to an air spring fixing device belongs to air spring technical field.

Background

The gas spring is an industrial accessory which can play a role in supporting, buffering, braking, height adjustment, angle adjustment and the like. It is composed of the following parts: the device comprises a pressure cylinder, a piston rod, a piston, a sealing guide sleeve, fillers, an in-cylinder control element, an out-cylinder control element, a joint and the like. The principle is that inert gas or oil-gas mixture is filled in a closed pressure cylinder, the pressure in a cavity is several times or dozens of times higher than the atmospheric pressure, and the motion of a piston rod is realized by utilizing the pressure difference generated by the cross section area of the piston rod smaller than that of the piston.

Chinese patent publication No. CN204950128U discloses a novel angle adjuster, including base fixed plate and back fixed plate, be provided with two mounts on the base fixed plate, it has loose axle and adjusting control pole to articulate respectively between two mounts, fixed connection control clamp plate on the adjusting control pole between two mounts, be provided with controllable air spring on the loose axle, controllable air spring includes the piston cylinder, piston rod and thimble, the piston rod radially passes loose axle and loose axle fixed connection, the thimble and the control clamp plate overlap joint of piston rod tip, the piston cylinder end is articulated with the back fixed plate. The novel angle regulator is provided with the controllable air spring, the backrest can be adjusted to be positioned at any angle between 180 degrees and 90 degrees, the comfort is high, the adjustment is easy and effortless, the noise is low, and the novel angle regulator can be widely applied to backrest angle regulation of products such as sofas, chairs, mattresses and the like.

However, the gas springs disclosed in the prior art are generally connected by a hinge device, and only rotate in one plane, which is not suitable for more scenes. And the gas spring fixing device in the prior art is complex to install and needs to consume a large amount of manpower.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problems in the prior art, it is an object of the present invention to provide a gas spring fixing device.

The utility model provides a following technical scheme:

a gas spring fixing device comprises a cylinder body, a piston arranged in the cylinder body, a first fixing device arranged at one end, exposed out of the cylinder body, of the piston, and a second fixing device arranged at one end, far away from the piston, of the cylinder body, wherein the first fixing device comprises an annular body movably arranged at one end, exposed out of the cylinder body, of the piston; one end of the column body is movably arranged on the annular body; the tubular body is sleeved on the column body; the cover body is arranged at the other end of the column body; the connecting block is arranged on the outer surface of the tubular body; and the second fixing device is arranged on the connecting block.

Specifically, the fixing device II comprises a fixing column and is sleeved with a reset spring on the fixing column, one end of the reset spring is installed on the cylinder body, the other end of the reset spring is installed on a movable block, the movable block is installed on the fixing column in a movable mode in the length direction of the fixing column, one end of the fixing column winds the axis of the fixing column to be evenly provided with a groove, the axis of the fixing column is symmetrically arranged on iron sheets in the groove, two ends of a rotating shaft are installed on the fixing column, the iron sheets are movably installed on the rotating shaft, and springs are symmetrically arranged between the iron sheets.

Specifically, the groove is a cross-shaped groove.

Specifically, the rotating shaft and the fixing column are in interference fit, and the rotating shaft and the iron sheet are in clearance fit.

Specifically, the cover body is mounted on the column body in a threaded manner.

The utility model has the advantages that:

1. because present air spring is usually through hinged joint, only rotates in a plane, and the utility model discloses an air spring fixing device contains the universal joint structure and is applicable in more occasions.

2. The utility model discloses a fixing device two makes air spring simple to operate, the staff's of being convenient for installation.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a front view of the present invention;

fig. 2 is a schematic view of the internal structure of the middle fixing column of the present invention.

Labeled as: 1. a cylinder body; 2. a piston; 3. a first fixing device; 4. a second fixing device; 301. an annular body; 302. a cylinder; 303. a tubular body; 304. a cover body; 305. connecting blocks; 401. fixing a column; 402. a return spring; 403. a movable block; 404. iron sheets; 405. a groove; 406. a rotating shaft; 407. a spring.

Detailed Description

As shown in fig. 1, a gas spring fixing device comprises a cylinder body 1, a piston 2 arranged in the cylinder body 1, a first fixing device 3 arranged at one end of the piston 2 exposed out of the cylinder body 1, and a second fixing device 4 arranged at one end of the cylinder body 1 far away from the piston 2, wherein the first fixing device 3 comprises a ring-shaped body 301 movably arranged at one end of the piston 2 exposed out of the cylinder body 1; one end of the column 302 is movably arranged on the annular body 301; the tubular body 303 is sleeved on the column 302; the cover 304 is screwed on the other end of the column 302; the connection block 305 is mounted on the outer surface of the tubular body 303; the second fixing device 4 is mounted on the connecting block 305. The first fixing device 3 has a universal joint function. Preferentially, please refer to fig. 2 with more emphasis, the second fixing device 4 includes a fixing column 401 and a return spring 402 sleeved on the fixing column 401, one end of the return spring 402 is installed on the cylinder body 1, the other end of the return spring 402 is installed on a movable block 403, the movable block 403 is movably installed on the fixing column 401 along the length direction of the fixing column 401, one end of the fixing column 401 is uniformly provided with a groove 405 around the axis of the fixing column 401, iron sheets 404 symmetrically arranged in the groove 405 along the axis of the fixing column 401, two ends of a rotating shaft 406 are installed on the fixing column 401, the iron sheets 404 are movably installed on the rotating shaft 406, and a spring 407 is installed between the symmetrically arranged iron sheets 404. Preferably, the recess 405 is a cross-shaped recess. The rotating shaft 406 and the fixing column 401 are in interference fit, and the rotating shaft 406 and the iron sheet 404 are in clearance fit, so that the iron sheet can rotate along the rotating shaft 406 in the groove 405.

The utility model discloses a theory of operation does:

the fixed column 401 is manually aligned with the installation hole to be installed on the part, when the iron sheet 404 on the fixed column 401 passes through the installation hole, the spring 407 is compressed, the installed part pushes the movable block 403 to move along the length direction of the fixed column 401, the return spring 402 is compressed, after the iron sheet 404 completely passes through the installation hole, the iron sheet 404 is ejected out under the reaction force of the spring 407, and simultaneously, under the force action of the return spring 402, the movable block 403 is pushed to be attached to the installed part, so that under the action of the movable block 403 and the iron sheet 404, the gas spring is fixed on the installed part. The air spring can be aligned to the mounting hole by a worker and pressed on the mounted part, and the mounting is convenient. When the gas spring needs to be taken down, the iron sheet 404 is manually pressed, the iron sheet 404 is compressed into the groove 405, and the gas spring can be taken down by pushing out the fixing column 401.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A gas spring fixing device comprises a cylinder body (1), a piston (2) arranged in the cylinder body (1), a first fixing device (3) arranged at one end, exposed out of the cylinder body (1), of the piston (2), a second fixing device (4) arranged at one end, far away from the piston (2), of the cylinder body (1),

characterized in that the first fixing device (3) comprises

An annular body (301) movably attached to one end of the piston (2) exposed from the cylinder (1);

a column (302) with one end movably mounted on the annular body (301);

the tubular body (303) is sleeved on the column body (302);

a cover (304) mounted on the other end of the cylinder (302);

a connection block (305) mounted on an outer surface of the tubular body (303);

and the second fixing device (4) is arranged on the connecting block (305).

2. A gas spring fixing device according to claim 1, characterized in that the second fixing device (4) comprises a fixing column (401), a return spring (402) sleeved on the fixing column (401), one end of the return spring (402) is arranged on the cylinder body (1), the other end of the return spring (402) is arranged on the movable block (403), the movable block (403) is movably arranged on the fixed column (401) along the length direction of the fixed column (401), one end of the fixed column (401) is uniformly provided with a groove (405) around the axis of the fixed column (401), iron sheets (404) symmetrically arranged in the groove (405) along the axis of the fixed column (401), two ends of a rotating shaft (406) are arranged on the fixed column (401), and the iron sheets (404) are movably arranged on the rotating shaft (406), and springs (407) are arranged between the symmetrically arranged iron sheets (404).

3. A gas spring fixing device according to claim 2 in which said recess (405) is a cross-shaped recess.

4. A gas spring fixing device according to claim 2, characterised in that the rotary shaft (406) is an interference fit with the fixing post (401), and the rotary shaft (406) is a clearance fit with the iron plate (404).

5. A gas spring fixing device according to claim 1, characterized in that said cover (304) is threadedly mounted on said post (302).