CN219655148U - Gas spring capable of automatically resetting - Google Patents
Gas spring capable of automatically resetting Download PDFInfo
- Publication number
- CN219655148U CN219655148U CN202320765063.0U CN202320765063U CN219655148U CN 219655148 U CN219655148 U CN 219655148U CN 202320765063 U CN202320765063 U CN 202320765063U CN 219655148 U CN219655148 U CN 219655148U
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- Prior art keywords
- sleeve
- limiting
- gas spring
- block
- movable rod
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- 238000004140 cleaning Methods 0.000 claims abstract description 47
- 230000002093 peripheral effect Effects 0.000 claims abstract description 22
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 239000012535 impurity Substances 0.000 abstract description 8
- 239000000428 dust Substances 0.000 abstract description 6
- 239000012634 fragment Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 25
- 238000000034 method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a gas spring capable of automatically resetting, which relates to the technical field of gas springs, and comprises an automatic resetting gas spring main body, wherein the automatic resetting gas spring main body comprises a sleeve, a piston capable of reciprocating along the axis of the sleeve is arranged in the sleeve, one end of the piston is fixed with one end of a movable rod, the other end of the movable rod is arranged outside the sleeve, a sealing ring is arranged at one end, close to the movable rod, in the sleeve, a through hole for passing through the movable rod is formed in the sealing ring, a rotatable and movable dust-proof block is arranged at one end, close to the movable rod, of the outer peripheral surface of the sleeve, and a dust-proof mechanism is arranged in the dust-proof block; the dustproof mechanism comprises a cleaning assembly and a limiting assembly, a plurality of layers of rubber cleaning sheets are arranged in the dustproof block and are in contact with the outer peripheral surface of the movable rod, dust impurities are swept out through contact between rubber and the outer peripheral surface of the movable rod, the rubber cleaning sheets are placed on the cleaning surface of the cleaning brush and are torn to adhere to the surface of the movable rod through rubber fragments, and the possibility of entering of the impurities is reduced.
Description
Technical Field
The utility model relates to the technical field of gas springs, in particular to a gas spring capable of automatically resetting.
Background
The gas spring is a liftable spring which can save labor, can be divided into self-locking gas springs (such as lifting of the bottom of a seat, lifting support of a boss chair back, and the like), and cannot be self-locking (such as lifting support of an automobile trunk and a wall door), and the structure of the gas spring mainly comprises a sleeve, a piston, a movable rod, and the like, and high-pressure air or high-pressure nitrogen is added into the sleeve. The pressure difference is generated by the unequal areas of the two ends of the piston, so that the piston and the moving rod are pushed to move and support people or heavy objects. The automatic reset gas spring is one kind of gas spring and has wide application in medical apparatus and instruments.
The automatic reset gas spring during operation piston drives the movable rod through the characteristic that gas compression is kick-backed and is reciprocating motion in the sleeve, and the movable rod is easy to be infected with dust impurity when contacting with the external world, and the dust impurity gets into the normal work that influences automatic reset gas spring in the sleeve after a long time, and the dustproof construction that current gas spring set up outside is fixed through the bolt mostly, comparatively consuming time when dismantling it.
In order to solve the problems, the utility model provides an automatic resetting gas spring.
Disclosure of Invention
The utility model aims to provide an automatic reset gas spring, wherein a plurality of layers of rubber cleaning sheets are arranged in a dustproof block, the rubber cleaning sheets are contacted with the outer peripheral surface of a movable rod, dust impurities are swept out through the contact of rubber and the outer peripheral surface of the rubber cleaning sheets, the rubber cleaning sheets are placed on the cleaning surface of a cleaning brush, and rubber fragments are torn and adhered to the surface of the movable rod, so that the possibility of entering the impurities is reduced, and the problem in the background art is solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the automatic reset gas spring comprises an automatic reset gas spring main body, wherein the automatic reset gas spring main body comprises a sleeve, a piston capable of reciprocating along the axis of the sleeve is arranged in the sleeve, one end of the piston is fixedly provided with one end of a moving rod, the other end of the moving rod is arranged outside the sleeve, a sealing ring is arranged at one end, close to the moving rod, in the sleeve, a through hole for passing through the moving rod is formed in the sealing ring, a rotatable and movable dustproof block is arranged at one end, close to the moving rod, of the outer peripheral surface of the sleeve, and a dustproof mechanism is arranged in the dustproof block;
the dustproof mechanism comprises a cleaning assembly and a limiting assembly, the cleaning assembly comprises a containing groove arranged in the dustproof block, the diameter of the containing groove is slightly larger than the outer diameter of the sleeve, a plurality of rubber cleaning sheets uniformly distributed at equal intervals are arranged at the top of the containing groove, the rubber cleaning sheets are used for being in sliding contact with the outer peripheral surface of the movable rod, and the bottom of the containing groove is used for being provided with the limiting assembly;
the limiting assembly comprises a plurality of equidistant uniformly distributed limiting grooves formed in the outer peripheral surface of the top of the sleeve, the limiting grooves are internally used for being in sliding connection with limiting blocks, and the limiting blocks are fixed at the bottoms of the accommodating grooves.
Further, the cleaning assembly further includes a cleaning brush mounted between the rubber cleaning sheet and the stopper, the cleaning brush being for sliding contact with the outer peripheral surface of the moving rod.
Further, the limiting assembly further comprises a sliding groove formed in the center of the limiting block, a first spring is installed in the sliding groove, a fixing ball is installed at the other end of the first spring and used for being matched with the limiting hole, and the limiting hole is formed in the limiting groove.
Further, a plurality of equally-distributed positioning grooves with the same circle center as the limiting block are also formed in the outer circumferential surface of the dustproof block, and the magnetic attraction blocks are arranged in the positioning grooves.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the gas spring capable of automatically resetting, the plurality of layers of rubber cleaning sheets are arranged in the dustproof block, the rubber cleaning sheets are in contact with the outer peripheral surface of the movable rod, dust impurities are removed through contact between rubber and the outer peripheral surface of the movable rod, the rubber cleaning sheets are placed on the cleaning surface of the cleaning brush and are torn by rubber fragments to adhere to the surface of the movable rod, and the possibility of entering of the impurities is reduced.
2. According to the gas spring capable of automatically resetting, the dustproof block moves in the limiting groove through the limiting block in the gas spring, the limiting block moves in the axial direction of the sleeve to be limited through the shape of the limiting groove, the fixing ball can further limit the limiting block, accidental loosening caused by accidental sleeve rotation is prevented, the fixing reliability is improved, and meanwhile, the gas spring can be quickly disassembled.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 2 is an enlarged view of the structure of FIG. 1A in accordance with the present utility model;
FIG. 3 is a schematic diagram of a limiting groove structure of the present utility model;
fig. 4 is a schematic overall structure of the present utility model.
In the figure: 1. an automatic return gas spring body; 2. a sleeve; 3. a piston; 4. a moving rod; 5. a seal ring; 6. a dust-proof block; 7. a limit groove; 8. a limiting hole; 9. a fixed ball; 10. a first spring; 11. a limiting block; 12. a sliding groove; 13. a positioning groove; 14. a magnetic suction block; 15. a cleaning brush; 16. rubber cleaning sheet.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In order to solve the technical problem of dust entering the sleeve 2, as shown in fig. 1-4, the following preferred technical scheme is provided:
the gas spring capable of automatically resetting comprises an automatic resetting gas spring main body 1, wherein the automatic resetting gas spring main body 1 comprises a sleeve 2, a piston 3 capable of reciprocating along the axis of the sleeve 2 is arranged in the sleeve 2, one end of the piston 3 is fixed with one end of a moving rod 4, the other end of the moving rod 4 is arranged outside the sleeve 2, a sealing ring 5 is arranged at one end, close to the moving rod 4, in the sleeve 2, a through hole for passing through the moving rod 4 is formed in the sealing ring 5, a rotatable and movable dustproof block 6 is arranged at one end, close to the moving rod 4, of the outer peripheral surface of the sleeve 2, and a dustproof mechanism is arranged in the dustproof block 6;
the dustproof mechanism comprises a cleaning assembly and a limiting assembly, the cleaning assembly comprises a containing groove arranged in the dustproof block 6, the diameter of the containing groove is slightly larger than the outer diameter of the sleeve 2, a plurality of rubber cleaning sheets 16 uniformly distributed at equal intervals are arranged at the top of the containing groove, the rubber cleaning sheets 16 are used for being in sliding contact with the peripheral surface of the movable rod 4, and the bottom of the containing groove is used for being provided with the limiting assembly;
the limiting assembly comprises a plurality of equidistant uniformly distributed limiting grooves 7 formed in the outer peripheral surface of the top of the sleeve 2, the limiting grooves 7 are internally used for being in sliding connection with limiting blocks 11, and the limiting blocks 11 are fixed at the bottoms of the accommodating grooves. The dustproof block 6 passes through the movable rod 4 through the through hole in the center of a circle thereof, the limiting block 11 enters the limiting groove 7 outside the sleeve 2, the fixed ball 9 is extruded by the limiting groove 7 to compress the length of the first spring 10, the fixed ball 9 moves along the sliding groove 12, the rotating handle moves the dustproof block 6 to enable the dustproof block 6 to enter the end of the limiting groove 7, the limiting groove 7 is internally provided with the limiting hole 8, the fixed ball 9 loses the limitation of the limiting groove 7, the first spring 10 rebounds to drive the fixed ball 9 to contact with the limiting hole 8 to fix the limiting block 11, when the dustproof block 6 needs to be disassembled, the magnetic attraction block 14 is placed in the positioning groove 13 outside the dustproof block 6, and the magnetic force of the magnetic attraction block 14 attracts the first spring 10 and the fixed ball 9 to enable the dustproof block 9 to be far away from the limiting hole 8, so that the dustproof block 6 loses limitation.
The cleaning assembly further includes a cleaning brush 15 mounted between the rubber cleaning sheet 16 and the stopper 11, the cleaning brush 15 being adapted to be in sliding contact with the outer peripheral surface of the moving lever 4. The moving rod 4 drives the piston 3 to reciprocate in the sleeve 2, the outer peripheral surface of the moving rod 4 is contacted with the rubber cleaning sheet 16 and the cleaning brush 15 while the moving rod 4 moves, and cleaning is realized by mutual friction and contact between the rubber cleaning sheet 16 and the cleaning brush and the outer peripheral surface of the moving rod 4.
The limiting assembly further comprises a sliding groove 12 arranged at the center of the limiting block 11, a first spring 10 is arranged in the sliding groove 12, a fixed ball 9 is arranged at the other end of the first spring 10, the fixed ball 9 is used for being matched with the limiting hole 8, and the limiting hole 8 is arranged in the limiting groove 7. The stopper 11 gets into in the spacing groove 7 outside the sleeve 2, and fixed ball 9 receives the extrusion compression first spring 10 length of spacing groove 7, and fixed ball 9 moves along sliding groove 12, and the rotation handle removes dustproof piece 6 and makes it enter into spacing groove 7 extreme, has spacing hole 8 in the spacing groove 7 this moment, and fixed ball 9 has lost the restriction of spacing groove 7, and first spring 10 rebound drives fixed ball 9 and spacing hole 8 contact slave to fix stopper 11.
The periphery of the dustproof block 6 is also provided with a plurality of equally-spaced positioning grooves 13 which have the same circle center as the limiting block 11, and the positioning grooves 13 are internally provided with magnetic attraction blocks 14. The magnetic attraction block 14 is placed in the positioning groove 13 outside the dustproof block 6, and the first spring 10 and the fixing ball 9 are attracted away from the limiting hole 8 through the magnetic force of the magnetic attraction block 14, so that the dustproof block 6 is out of limit.
To sum up: the dustproof block 6 passes through the movable rod 4 through the through hole in the center of a circle thereof, the limiting block 11 enters the limiting groove 7 outside the sleeve 2, the fixed ball 9 is extruded by the limiting groove 7 to compress the length of the first spring 10, the fixed ball 9 moves along the sliding groove 12, the rotating handle moves the dustproof block 6 to enable the dustproof block 6 to enter the end of the limiting groove 7, the limiting groove 7 is internally provided with the limiting hole 8, the fixed ball 9 loses the limitation of the limiting groove 7, the first spring 10 rebounds to drive the fixed ball 9 to contact with the limiting hole 8 to fix the limiting block 11, when the dustproof block 6 needs to be disassembled, the magnetic attraction block 14 is placed in the positioning groove 13 outside the dustproof block 6, and the magnetic force of the magnetic attraction block 14 attracts the first spring 10 and the fixed ball 9 to enable the dustproof block 9 to be far away from the limiting hole 8, so that the dustproof block 6 loses limitation.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a gas spring that can reset automatically, includes automatic return gas spring main part (1), its characterized in that: the automatic reset gas spring main body (1) comprises a sleeve (2), a piston (3) capable of reciprocating along the axis of the sleeve (2) is arranged in the sleeve (2), one end of the piston (3) is fixed with one end of a moving rod (4), the other end of the moving rod (4) is arranged outside the sleeve (2), a sealing ring (5) is arranged at one end, close to the moving rod (4), in the sleeve (2), a through hole for passing through the moving rod (4) is formed in the sealing ring (5), a rotatable and movable dustproof block (6) is arranged at one end, close to the moving rod (4), of the outer peripheral surface of the sleeve (2), and a dustproof mechanism is arranged in the dustproof block (6);
the dustproof mechanism comprises a cleaning assembly and a limiting assembly, the cleaning assembly comprises a containing groove arranged in a dustproof block (6), the diameter of the containing groove is slightly larger than the outer diameter of the sleeve (2), a plurality of rubber cleaning sheets (16) which are uniformly distributed at equal intervals are arranged at the top of the containing groove, the rubber cleaning sheets (16) are used for being in sliding contact with the peripheral surface of the movable rod (4), and the bottom of the containing groove is used for being provided with the limiting assembly;
the limiting assembly comprises a plurality of equidistant uniformly distributed limiting grooves (7) formed in the outer peripheral surface of the top of the sleeve (2), the limiting grooves (7) are internally used for being in sliding connection with limiting blocks (11), and the limiting blocks (11) are fixed at the bottoms of the accommodating grooves.
2. An automatically resettable gas spring of claim 1, wherein: the cleaning assembly further comprises a cleaning brush (15) arranged between the rubber cleaning sheet (16) and the limiting block (11), and the cleaning brush (15) is used for being in sliding contact with the outer peripheral surface of the movable rod (4).
3. An automatically resettable gas spring of claim 1, wherein: the limiting assembly further comprises a sliding groove (12) formed in the center of the limiting block (11), a first spring (10) is arranged in the sliding groove (12), a fixing ball (9) is arranged at the other end of the first spring (10), the fixing ball (9) is used for being matched with the limiting hole (8), and the limiting hole (8) is formed in the limiting groove (7).
4. A gas spring capable of automatic return as claimed in claim 3, wherein: the outer peripheral surface of the dustproof block (6) is also provided with a plurality of equally-distributed positioning grooves (13) with the same circle center as the limiting block (11), and the positioning grooves (13) are internally provided with magnetic attraction blocks (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320765063.0U CN219655148U (en) | 2023-04-09 | 2023-04-09 | Gas spring capable of automatically resetting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320765063.0U CN219655148U (en) | 2023-04-09 | 2023-04-09 | Gas spring capable of automatically resetting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655148U true CN219655148U (en) | 2023-09-08 |
Family
ID=87876630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320765063.0U Active CN219655148U (en) | 2023-04-09 | 2023-04-09 | Gas spring capable of automatically resetting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655148U (en) |
-
2023
- 2023-04-09 CN CN202320765063.0U patent/CN219655148U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |