CN215214511U - Air spring with adjustable working stroke - Google Patents
Air spring with adjustable working stroke Download PDFInfo
- Publication number
- CN215214511U CN215214511U CN202121581258.7U CN202121581258U CN215214511U CN 215214511 U CN215214511 U CN 215214511U CN 202121581258 U CN202121581258 U CN 202121581258U CN 215214511 U CN215214511 U CN 215214511U
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- working stroke
- rod
- cylinder barrel
- piston rod
- adjusting device
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Abstract
The utility model discloses an air spring with adjustable working stroke, which comprises a cylinder barrel, wherein one end of the sealing end of the cylinder barrel is provided with a first connecting block, the cylinder barrel is internally and movably provided with a piston rod, the piston rod is movably arranged at one end of the cylinder barrel, a working stroke adjusting device comprises a first working stroke adjusting device which is arranged in the cylinder barrel and on the piston rod, a second working stroke adjusting device which is arranged at one end of the piston rod, a second connecting block is arranged on the second working stroke adjusting device, and the first working stroke adjusting device comprises a limiting block; a locking lever; fixing the rod; and (4) screws. The utility model discloses can freely adjust working stroke, can prolong working stroke, also can shorten working stroke, satisfy staff's various demands. And the utility model discloses the regulative mode is simple, the staff's of being convenient for use.
Description
Technical Field
The utility model relates to an air spring of adjustable working stroke 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, filler, 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. CN202349085U discloses an ultra-long stroke rigid locking adjusting rod gas spring, which comprises: ejector pin, piston rod, cylinder, little valve, piston, isolation piston, characterized by: an inner cylinder barrel is additionally arranged in the cylinder barrel, the piston and the piston rod are arranged at one end of the inner cylinder barrel, the valve body and the ejector rod are arranged at the other end of the inner cylinder barrel, and the small valve is installed on the valve body and can move in the valve body. The utility model has the advantages that: the small valve is installed on the valve body, and the locking and the opening of the gas spring are controlled by controlling the opening and the closing of the channel inside the valve body. The ejector rod does not need to pass through the middle part of the piston rod to eject the small valve, and the structural length of the ejector rod is irrelevant to the stroke of the gas spring. The piston rod can be made into a solid piston rod which is easy to process, so that the ultra-long stroke and rigid locking of the air spring of the adjusting rod are realized.
However, the air spring disclosed in the prior art cannot achieve the purposes of prolonging the working stroke and shortening the working stroke, and the air spring in the prior art is complicated in stroke adjusting mode and inconvenient to use by workers.
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 with an adjustable working stroke.
The utility model provides a following technical scheme:
the utility model provides an air spring of adjustable working stroke, includes the cylinder, cylinder seals one end and installs first connecting block, installs movable mounting has the piston rod in the cylinder, piston rod movable mounting be in the one end of cylinder is equipped with the piston, adjusts the working stroke device including installing in the cylinder and install first regulation working stroke device on the piston rod is installed the second of piston rod one end is adjusted the working stroke device, install the second connecting block on the second is adjusted the working stroke device.
The first working stroke adjusting device comprises a limiting block, a first sealing ring is arranged between the limiting block and the piston rod, and a second sealing ring is arranged between the limiting block and the cylinder barrel; a locking rod is arranged at one end of the limiting block, which is far away from the piston, and a first threaded hole is formed in the locking rod; the fixing rod is arranged at one end of the opening of the cylinder barrel and is arranged at the same side as the locking rod, and a second threaded hole is formed in the fixing rod; the screw is installed on check lock lever and dead lever through first screw hole and second screw hole screw thread.
Specifically, the second working stroke adjusting device comprises a groove arranged at one end, far away from the piston, of the piston rod, a spring arranged in the groove, an elastic sheet arranged on the spring, and a regulating rod sleeved on the piston rod, wherein a positioning square hole is formed in the regulating rod.
Specifically, the positioning square holes are uniformly formed in the adjusting rod along the length direction of the adjusting rod.
Specifically, the first threaded holes are uniformly formed in the locking rod along the length direction of the locking rod.
Specifically, one end of the locking rod, which is far away from the limiting block, is provided with a handle.
The utility model has the advantages that:
1. the utility model discloses can freely adjust the working stroke, can prolong the working stroke, also can shorten the working stroke, satisfy staff's various demands, solve prior art air spring and can not accomplish and can prolong the working stroke, also can shorten the problem of working stroke.
2. The utility model has simple adjusting mode, which can be realized by only adjusting the limit block through the handle or adjusting the working stroke through the pressing spring, thereby being convenient for the use of the staff; the problem of air spring stroke adjustment mode that appears among the prior art loaded down with trivial details, the staff's of being not convenient for use is solved.
3. The utility model discloses the mechanism is simple, and the staff's of being convenient for operates.
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 schematic view of the internal structure of the present invention;
FIG. 2 is a front view of a locking bar of the present invention;
fig. 3 is a partial cross-sectional view of the piston rod of the present invention;
fig. 4 is a front view of the adjusting lever of the present invention;
labeled as: 1. a first connection block; 2. a cylinder barrel; 3. a piston; 4. a piston rod; 5. a first device for adjusting the working stroke; 6. a second working stroke adjusting device; 7. a working stroke adjusting device; 8. a second connecting block; 501. a limiting block; 502. a first seal ring; 503. a second seal ring; 504. a locking lever; 505. fixing the rod; 506. a first threaded hole; 507. a screw; 506. a handle; 601. adjusting a rod; 602. positioning a square hole; 603. a groove; 604. a spring; 605. an elastic sheet.
Detailed Description
As shown in fig. 1, an air spring with adjustable working stroke comprises a cylinder barrel 2, wherein a first connecting block 1 is installed at one end of a seal of the cylinder barrel 2, a piston rod 4 is movably installed in the cylinder barrel 2, the piston rod 4 is movably installed at one end of the cylinder barrel 2 and provided with a piston 3, a working stroke adjusting device 7 comprises a first working stroke adjusting device 5 installed in the cylinder barrel 2 and installed on the piston rod 4, a second working stroke adjusting device 6 installed at one end of the piston rod 4, and a second connecting block 8 is installed on the second working stroke adjusting device 6.
The first working stroke adjusting device 5 comprises a limiting block 501, a first sealing ring 502 is arranged between the limiting block 501 and the piston rod 4, and a second sealing ring 503 is arranged between the limiting block 501 and the cylinder barrel 2; a locking rod 504 is installed at one end of the limiting block 501, which is far away from the piston 3, please refer to fig. 2, the first threaded holes 506 are uniformly formed in the locking rod 504 along the length direction of the locking rod 504, and a handle 508 is installed at one end of the locking rod 504, which is far away from the limiting block 501; a fixing rod 505 which is installed at one end of the opening of the cylinder barrel 2 and is on the same side with the locking rod 504, and a second threaded hole is formed in the fixing rod 505; a screw 507 is threadedly mounted on the locking bar 504 and the fixing bar 505 through a first threaded hole 506 and a second threaded hole.
Preferentially, please refer to fig. 3 and 4, the second working stroke adjusting device 6 includes a groove 603 formed at an end of the piston rod 4 away from the piston 3, a spring 604 installed in the groove 603, and a spring plate 605 installed on the spring 604, wherein the adjusting rod 601 is sleeved on the piston rod 4, and the positioning square holes 602 are uniformly formed on the adjusting rod 601 along a length direction of the adjusting rod 601.
Preferably, the elastic pieces 605 can be uniformly distributed on the piston rod 4 around the axis of the piston rod 4, so that the adjusting rod 601 is more stably fixed on the piston rod 4.
The utility model discloses a theory of operation does:
when the working stroke needs to be reduced, the screw 507 is manually taken down, the limit block 501 is pressed through the handle 508, the limit block 501 moves along the length direction of the cylinder barrel 2, and after the suitable position is moved, the screw 507 is manually taken and installed on the locking rod 504 and the fixing rod 505 through the first threaded hole 506 and the second threaded hole in a threaded mode, the limit block 501 is fixed at the position, and the working stroke of the gas spring is shortened at the moment.
When the gas spring works to the maximum stroke and still needs to extend, the elastic sheet 605 is pressed to compress the spring 604, so that the elastic sheet 605 enters the groove 603, the adjusting rod 601 is drawn to a proper position and then aligned with the positioning square hole 602 on the adjusting rod 601, and the elastic sheet 605 is ejected out of the positioning square hole 602 under the counter-acting force of the spring 604 to fix the adjusting rod 601.
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 (5)
1. An air spring with adjustable working stroke comprises a cylinder barrel (2), a first connecting block (1) is installed at one end of a seal of the cylinder barrel (2), a piston rod (4) is movably installed in the cylinder barrel (2), a piston (3) is arranged at one end, movably installed on the cylinder barrel (2), of the piston rod (4),
it is characterized in that the working stroke adjusting device (7) comprises a first working stroke adjusting device (5) which is arranged in the cylinder barrel (2) and is arranged on the piston rod (4), a second working stroke adjusting device (6) which is arranged at one end of the piston rod (4), a second connecting block (8) is arranged on the second working stroke adjusting device (6),
the first working stroke adjusting device (5) comprises
A limiting block (501), a first sealing ring (502) is arranged between the limiting block (501) and the piston rod (4), and a second sealing ring (503) is arranged between the limiting block (501) and the cylinder barrel (2);
the locking device comprises a locking rod (504), wherein the locking rod (504) is installed at one end, far away from the piston (3), of the limiting block (501), and a first threaded hole (506) is formed in the locking rod (504);
the fixing rod (505) is mounted at one end of the opening of the cylinder barrel (2) and is the same as the fixing rod (505) on the same side of the locking rod (504), and a second threaded hole is formed in the fixing rod (505);
and a screw (507) which is installed on the locking rod (504) and the fixing rod (505) through the first threaded hole (506) and the second threaded hole in a threaded manner.
2. The gas spring with the adjustable working stroke according to claim 1, characterized in that the second working stroke adjusting device (6) comprises a groove (603) formed in one end, away from the piston (3), of the piston rod (4), a spring (604) installed in the groove (603), and a spring plate (605) installed on the spring (604), wherein an adjusting rod (601) is sleeved on the piston rod (4), and a positioning square hole (602) is formed in the adjusting rod (601).
3. An adjustable working stroke gas spring as claimed in claim 2, wherein said positioning square holes (602) are uniformly provided on said adjusting rod (601) along the length direction of said adjusting rod (601).
4. The adjustable working stroke gas spring as claimed in claim 1, wherein said first threaded apertures (506) are uniformly provided in said lock bar (504) along the length of said lock bar (504).
5. An adjustable working stroke gas spring as claimed in claim 1, wherein a handle (508) is provided at an end of the locking lever (504) remote from the stop block (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121581258.7U CN215214511U (en) | 2021-07-12 | 2021-07-12 | Air spring with adjustable working stroke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121581258.7U CN215214511U (en) | 2021-07-12 | 2021-07-12 | Air spring with adjustable working stroke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214511U true CN215214511U (en) | 2021-12-17 |
Family
ID=79429340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121581258.7U Active CN215214511U (en) | 2021-07-12 | 2021-07-12 | Air spring with adjustable working stroke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214511U (en) |
-
2021
- 2021-07-12 CN CN202121581258.7U patent/CN215214511U/en active Active
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