CN112360910B - Stepless speed regulation air spring - Google Patents
Stepless speed regulation air spring Download PDFInfo
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- CN112360910B CN112360910B CN202011191861.4A CN202011191861A CN112360910B CN 112360910 B CN112360910 B CN 112360910B CN 202011191861 A CN202011191861 A CN 202011191861A CN 112360910 B CN112360910 B CN 112360910B
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- 238000007789 sealing Methods 0.000 claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 28
- 230000006835 compression Effects 0.000 claims abstract description 9
- 238000007906 compression Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 claims description 17
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000003993 interaction Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 10
- 239000000463 material Substances 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0218—Mono-tubular units
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0227—Telescopic characterised by the piston construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/0209—Telescopic
- F16F9/0281—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3214—Constructional features of pistons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/36—Special sealings, including sealings or guides for piston-rods
- F16F9/368—Sealings in pistons
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a stepless speed regulation air spring which comprises a cylinder barrel and an inner cylinder sleeve, wherein an outer cavity is arranged between the cylinder barrel and the inner cylinder sleeve, the interior of the cylinder barrel is divided into a front cavity and a rear cavity through a piston, a piston air return hole is formed in the piston, a piston rod is arranged on the piston, the piston rod penetrates through a guide sealing mechanism and extends to the outside of the tail end of the cylinder barrel, the guide sealing mechanism is arranged at the tail end of the cylinder barrel and comprises a guide sealing piece and a guide sleeve, a rear plug is arranged at the front end of the cylinder barrel, a sealing ring is arranged on the piston, a connecting seat is arranged in the cylinder barrel, and a compression spring is arranged between the piston and the connecting seat. The gas spring adjusting device is ingenious in structure and reasonable in design, the rotating plate is rotated by the aid of the pressing mechanism, the position between the rotating plate and the adjusting plate is adjusted, and then the change of the interaction aperture between the buffer cavity and the adjusting groove is achieved, so that the speed of the gas spring is adjusted.
Description
Technical Field
The invention relates to the technical field of gas springs, in particular to a stepless speed regulation gas spring.
Background
The gas spring mainly comprises a cylinder barrel, a piston in the cylinder barrel, a piston rod, a valve rod and the like, wherein gas or oil-gas mixture is stored in the cylinder barrel. Because the piston occupies the volume in the cylinder barrel, the movement of the piston rod is realized by utilizing the pressure difference generated by the fact that the cross section area of the piston rod is smaller than that of the piston. However, in the currently disclosed gas spring, the rear plug is welded at the rear part of the cylinder barrel, then the gas and oil-gas mixture with a certain pressure is filled into the cylinder barrel, once the gas and oil-gas mixture is filled into the cylinder barrel, the gas spring has a certain pressure, and a damping hole is usually arranged on the piston, so that the operation speed of the gas spring is controlled according to the size of the damping hole, once the size of the damping hole on the piston is determined, the movement speed of the gas spring is determined accordingly, and when the gas spring is installed on a required equipment, the speed of the gas spring cannot be adjusted, so that the optimal use efficiency cannot be achieved.
Chinese patent 201210270057.4 discloses a stepless speed regulating gas spring, wherein a pressure relief hole is provided on a valve rod of a speed regulating screw, so that the pressure relief regulation can be realized by adjusting the axial position of the speed regulating screw, when the outlet position of the pressure relief hole on the valve rod is located at the lower part of the sealing ring, the pressure relief regulation can be realized, when the outlet position of the pressure relief hole on the valve rod is located at the upper part of the sealing part which is sealed completely, the sealing is realized and the speed can be regulated, thereby conveniently regulating the working pressure required by the gas spring.
The problem that the speed of air spring can not be adjusted can be solved to above-mentioned device, but the process of adjusting the speed governing screw is comparatively loaded down with trivial details, when using, need utilize outside instrument to carry out reasonable regulation to the speed governing screw, and operating time is longer, and the operation is comparatively loaded down with trivial details.
Disclosure of Invention
The invention aims to solve the problems that the speed of a gas spring cannot be adjusted and the speed of the gas spring is more complicated to adjust in the prior art, and provides a stepless speed-adjusting gas spring.
In order to achieve the purpose, the invention adopts the following technical scheme:
a stepless speed regulation air spring comprises a cylinder barrel and an inner cylinder sleeve, wherein an outer cavity is arranged between the cylinder barrel and the inner cylinder sleeve, the interior of the cylinder barrel is divided into a front cavity and a rear cavity through a piston, a piston air return hole is formed in the piston, a piston rod is installed on the piston, the piston rod penetrates through a guide sealing mechanism and extends to the outside of the tail end of the cylinder barrel, the guide sealing mechanism is arranged at the tail end of the cylinder barrel and comprises a guide sealing piece and a guide sleeve, a rear plug is arranged at the front end of the cylinder barrel, a sealing ring is arranged on the piston, a connecting seat is arranged in the cylinder barrel and abuts against the guide sealing piece, a compression spring is installed between the piston and the connecting seat, the piston rod is located in the compression spring, a buffer cavity, an outer air return hole and an inner air return hole are formed in the rear plug, and the outer air return hole is communicated with the buffer cavity and the outer cavity, the adjusting groove has still been seted up on the back end cap, and adjusting groove and cushion chamber intercommunication, and interior return air hole intercommunication adjusting groove and back cavity, adjusting groove internally mounted has pressing mechanism, regulating plate, the regulating plate is fixed to be set up in the adjusting groove, the rotor plate is installed to pressing mechanism's output, and the rotor plate is located the below of regulating plate.
When the device works, the rear plug and the front end of the piston rod can be arranged on the device, and the device is driven to move by the axial movement of the piston rod; drive the rotor plate through pressing mechanism and rotate, interactive aperture that rotor plate and regulating plate mutually supported motion can be adjusted between cushion chamber and the adjustment tank realizes the regulation of air spring speed, and back cavity is through interior return air hole, cushion chamber, outer return air hole, outer cavity and preceding cavity intercommunication and realize the material exchange to this realizes the regulation of air spring.
Preferably, the pressing mechanism comprises a pressing seat, a clamping seat and a rotary drum;
the pressing seat comprises a pressing barrel, the lower end of the pressing barrel is fixedly connected with a pressing block, the upper end of the pressing barrel is fixedly connected with a mounting ring, a plurality of rectangular grooves are symmetrically formed in the mounting ring, a plurality of wedge blocks are symmetrically mounted on the mounting ring, and each wedge block is located at a groove opening of the corresponding rectangular groove;
the clamping seat comprises a sleeve and an installation cylinder, the installation cylinder is installed on the outer side wall of the sleeve, the sleeve is sleeved on the pressing cylinder, the installation cylinder is fixedly connected to the inner wall of the adjusting groove through a sealing cylinder, and a plurality of clamping strips are symmetrically installed at the upper end of the sleeve;
the rotary drum comprises a rotary seat, the round seat is installed on the rotary seat through a bearing, a plurality of baffle seats are symmetrically installed on the outer side wall of the rotary seat, the wedge-shaped block is clamped below the baffle seats, a plurality of clamping grooves and a plurality of inclined grooves are symmetrically formed in the outer side wall of the rotary seat, clamping strips are clamped in the rectangular grooves and the clamping grooves at the same time, a torsion spring is installed at the upper end of the rotary seat, the round seat is installed at the upper end of the torsion spring, and the torsion spring is fixedly connected with the rotary plate;
the during operation, extrusion pressing means, press the briquetting and drive the collar upward movement through pressing the section of thick bamboo, perpendicular upward movement is gone up under the restriction of card strip to rectangular channel on the collar, and promote the rotary drum upward movement through the wedge, the rotary drum drives the torsion spring compression and drives the draw-in groove and slide on the card strip, continue upwards to promote and press the briquetting, until card strip breaks away from the draw-in groove, the card strip breaks away from the inclined plane counterbalance with the chute behind the draw-in groove, continue to promote and press briquetting then the rotary drum rotation, card strip card after rotating certain angle is established in next draw-in groove, loosen at this moment and press the seat, torsion spring's the original long elasticity of recovery and torsion drive the rotor plate rotation.
Preferably, the adjusting plate is symmetrically divided into an arc hole area, a circular hole area and a sealing area, a plurality of arc through holes are formed in the arc hole area at equal intervals, and a plurality of circular through holes are uniformly formed in the circular hole area; the rotating plate is provided with a fan-shaped hole; when the gas spring works, the rotating plate is driven to rotate through the pressing mechanism, the position of the fan-shaped hole can be adjusted, and the speed of material exchange between the inner air return hole and the buffer cavity can be adjusted by matching the fan-shaped hole with the arc hole area, the round hole and the sealing area on the adjusting plate, so that the speed of the gas spring is adjusted.
Preferably, the inner diameter of the sleeve is equal to the outer diameter of the pressing cylinder, and the outer diameter of the sleeve is equal to the outer diameter of the mounting ring; during operation, guarantee that the sleeve can install in the outside of pressing a section of thick bamboo, also can guarantee simultaneously to step on a section of thick bamboo and can not exert an influence to telescopic position when moving.
Preferably, the included angle of the fan-shaped holes is 120 degrees; when the adjusting plate works, the area difference between the area corresponding to the fan-shaped hole and the three areas on the adjusting plate is not large, and the three areas can be perfectly covered by the fan-shaped hole.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the rotating plate is driven to rotate by the pressing mechanism, the left-right interaction rate of the adjusting plate is adjusted by arranging the fan-shaped holes on the rotating plate and arranging the holes with different sizes in different areas on the adjusting plate, and the rotating plate and the adjusting plate are matched with each other to move to adjust the interaction aperture between the buffer cavity and the adjusting groove so as to adjust the speed of the gas spring.
2. The pressing device is simple and ingenious in structure, the rotary drum, the circular seat and the rotary plate are driven to rotate by utilizing the height difference of the inclined surface of the chute, the rotating operation can be completed by only adopting simple pressing action, the operation is simple and rapid, meanwhile, the rotating angle of the rotary plate can be adjusted by arranging the number of structures such as the clamping grooves, the clamping strips, the chute and the blocking seats according to the use requirements, the rotating angle of the rotary plate is the same as the angle covered by the fan-shaped holes, and the richness of speed adjustment of the air spring is enhanced.
In conclusion, the gas spring adjusting device is ingenious in structure and reasonable in design, the pressing mechanism is utilized to rotate the rotating plate, the position between the rotating plate and the adjusting plate is adjusted, and further the change of the interaction aperture between the buffer cavity and the adjusting groove is achieved, so that the speed of the gas spring is adjusted.
Drawings
Fig. 1 is a schematic structural view of a stepless speed-regulating gas spring provided by the invention;
FIG. 2 is an exploded view of a pressing structure of a stepless speed-regulating gas spring according to the present invention;
FIG. 3 is a visual diagram of a pressing mechanism in a stepless speed regulating gas spring according to the invention;
FIG. 4 is a schematic structural diagram of an adjusting plate in a stepless speed-regulating gas spring according to the present invention;
fig. 5 is a schematic structural diagram of a rotating plate in a stepless speed-regulating gas spring according to the present invention.
In the figure: 1 cylinder barrel, 2 outer air return holes, 3 buffer cavities, 4 rear plugs, 5 clamping seats, 6 inner air return holes, 7 outer cavities, 8 inner cylinder sleeves, 9 sealing rings, 10 piston air return holes, 11 front cavities, 12 pistons, 13 rear cavities, 14 compression springs, 15 connecting seats, 16 guide sleeves, 17 piston rods, 18 guide sealing parts, 19 rotary drums, 20 round seats, 21 pressing seats, 22 adjusting plates and 23 rotating plates;
5, a clamping seat, 501 sleeves, 502 mounting cylinders and 503 clamping strips;
19 rotary drums, 1901 baffle seats, 1902 clamping grooves, 1903 rotating seats, 1904 chutes and 1905 torsion springs;
21 pressing seats, 2101 pressing cylinders, 2102 pressing blocks, 2103 mounting rings, 2104 wedge blocks and 2105 rectangular grooves;
22 adjusting plate, 2201 arc hole area, 2202 sealing area and 2203 round hole area;
23 rotating plate, 2301 fan-shaped hole, 2302 arc chute.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a stepless speed-regulating gas spring comprises a cylinder barrel 1 and an inner cylinder sleeve 8, an outer cavity 7 is arranged between the cylinder barrel 1 and the inner cylinder sleeve 8, the inside of the cylinder barrel 1 is divided into a front cavity 11 and a rear cavity 13 through a piston 12, a piston air return hole 10 is formed in the piston 12, a piston rod 17 is installed on the piston 12, the piston rod 17 penetrates through a guide sealing mechanism and extends to the outside of the tail end of the cylinder barrel 1, the guide sealing mechanism is arranged on the tail end of the cylinder barrel 1 and comprises a guide sealing element 18 and a guide sleeve 16, a rear plug 4 is arranged at the front end of the cylinder barrel 1, a sealing ring 9 is arranged on the piston 12, a connecting seat 15 is arranged inside the cylinder barrel 1, the connecting seat 15 abuts against the guide sealing element 18, a compression spring 14 is installed between the piston 12 and the connecting seat 15, and the piston rod 17 is located in the compression spring 14, a buffer cavity 3, an outer air return hole 2 and an inner air return hole 6 are formed in the rear plug 4, the outer air return hole 2 is communicated with the buffer cavity 3 and the outer cavity 7, an adjusting groove is further formed in the rear plug 4 and is communicated with the buffer cavity 3, the inner air return hole 6 is communicated with the adjusting groove and the rear cavity 13, a pressing mechanism and an adjusting plate 22 are installed inside the adjusting groove, the adjusting plate 22 is fixedly arranged in the adjusting groove, a rotating plate 23 is installed at the output end of the pressing mechanism, and the rotating plate 23 is located below the adjusting plate 22;
when the device works, the rear plug 4 and the front end of the piston rod 17 can be arranged on the device, and the device is driven to move by the axial movement of the piston rod 17; drive rotor plate 23 through pressing mechanism and rotate, rotor plate 23 and regulating plate 22 mutually support the motion and can adjust the interactive aperture between cushion chamber 3 and the adjustment tank and realize the regulation of air spring speed, and back cavity 13 is through interior return air hole 6, cushion chamber 3, outer return air hole 2, outer cavity 7 and preceding cavity 11 intercommunication and realize the material exchange to this realizes the regulation of air spring.
As an embodiment of the present invention, the pressing mechanism includes a pressing base 21, a cartridge 5, and a drum 19;
the pressing seat 21 comprises a pressing barrel 2101, a pressing block 2102 is fixedly connected to the lower end of the pressing barrel 2101, an installation ring 2103 is fixedly connected to the upper end of the pressing barrel 2101, a plurality of rectangular grooves 2105 are symmetrically formed in the installation ring 2103, a plurality of wedge blocks 2104 are symmetrically installed on the installation ring 2103, and each wedge block 2104 is located at a groove opening of the corresponding rectangular groove 2105;
the clamping seat 5 comprises a sleeve 501 and an installation cylinder 502, the installation cylinder 502 is installed on the outer side wall of the sleeve 501, the sleeve 501 is sleeved on the pressing cylinder 2101, the installation cylinder 502 is fixedly connected to the inner wall of the adjusting groove through a sealing cylinder, and a plurality of clamping strips 503 are symmetrically installed at the upper end of the sleeve 501;
the rotating drum 19 comprises a rotating seat 1903, a round seat 20 is mounted on the rotating seat 1903 through a bearing, a plurality of baffle seats 1901 are symmetrically mounted on the outer side wall of the rotating seat 1903, a wedge block 2104 is clamped below the baffle seats 1901, a plurality of clamping grooves 1902 and a plurality of inclined grooves 1904 are symmetrically formed in the outer side wall of the rotating seat 1903, clamping strips 503 are simultaneously clamped in the rectangular grooves 2105 and the clamping grooves 1902, a torsion spring 1905 is mounted at the upper end of the rotating seat 1903, the round seat 20 is mounted at the upper end of the torsion spring 1905, and the torsion spring 1905 is fixedly connected with a rotating plate 23;
when the pressing mechanism works, the pressing block 2102 is pressed by the pressing barrel 2101 to drive the installation ring 2103 to move upwards, the rectangular groove 2105 on the installation ring 2103 vertically moves upwards under the limitation of the clamping strip 503, the wedge block 2104 pushes the rotary drum 19 to move upwards, the rotary drum 19 drives the torsion spring 1905 to compress and drive the clamping groove 1902 to slide on the clamping strip 503, the pressing block 2102 is continuously pushed upwards until the clamping strip 503 is separated from the clamping groove 1902, the clamping strip 503 is separated from the clamping groove 1902 and then is propped against the inclined plane of the inclined groove 1904, the rotary drum 19 rotates by continuously pushing the pressing block 2102, the clamping strip 503 is clamped in the next clamping groove 1902 after rotating for a certain angle, the pressing seat 21 is loosened at the moment, and the elastic force for recovering the original length of the torsion spring 1905 and the torsion force drive the rotating plate 23 to rotate.
As an embodiment of the present invention, the adjusting plate 22 is symmetrically divided into an arc hole region 2201, a circular hole region 2203 and a sealing region 2202, wherein a plurality of arc through holes are equidistantly formed in the arc hole region, and a plurality of circular through holes are uniformly formed in the circular hole region 2203; the rotating plate 23 is provided with a fan-shaped hole 2301; during operation, the pressing mechanism drives the rotating plate 23 to rotate, the position of the sector hole 2301 can be adjusted, and the sector hole 2301 is matched with the arc hole area 2201, the round hole 2203 and the sealing area 2202 on the adjusting plate 22, so that the speed of material exchange between the inner air return hole 6 and the buffer cavity 3 can be adjusted, and the speed of the air spring is adjusted.
As an embodiment of the present invention, a circular mounting groove is formed on an inner wall of the adjusting groove, the rotating plate 23 is mounted in the circular mounting groove, a plurality of mounting holes are uniformly mounted on the inner wall of the circular mounting groove, a ball is clamped in each mounting hole, an arc-shaped sliding groove 2302 is formed on a side wall of the rotating plate 23, and each ball is slidably connected in the arc-shaped sliding groove 2302; in operation, when the rotating plate 23 rotates, the balls slide in the arc-shaped sliding grooves 2302 on the rotating plate 23, so as to ensure the smooth rotation of the rotating plate 23.
As an embodiment of the present invention, the inner diameter of the sleeve 501 is equal to the outer diameter of the pressing barrel 2101, and the outer diameter of the sleeve 501 is equal to the outer diameter of the mounting ring 2103; in operation, the sleeve 501 can be mounted outside the pressing barrel 2101, and meanwhile, the position of the sleeve 501 cannot be affected when the pressing barrel 2101 moves.
As an embodiment of the present invention, the included angle of the fan-shaped holes 2301 is 120 °; during operation, the area difference between the corresponding area of the sector holes 2301 and the three areas on the adjusting plate 22 is not large, and the three areas can be perfectly covered by the sector holes 2301.
The specific working process is as follows:
the front ends of the rear plug 4 and the piston rod 17 can be mounted on an equipment instrument, the equipment instrument is driven to move by the axial movement of the piston rod 17, the pressing mechanism is extruded, the pressing block 2102 drives the mounting ring 2103 to move upwards through the pressing barrel 2101, the rectangular groove 2105 on the mounting ring 2103 moves vertically upwards under the limitation of the clamping strip 503, the wedge block 2104 pushes the rotary drum 19 to move upwards, the rotary drum 19 drives the torsion spring 1905 to compress and drive the clamping groove 1902 to slide on the clamping strip 503, the pressing block 2102 is continuously pushed upwards until the clamping strip 503 is separated from the clamping groove 1902, the clamping strip 503 is abutted against the inclined plane of the inclined groove 1904 after being separated from the clamping groove 1902, the rotary drum 19 rotates by continuously pushing the pressing block 2102, the clamping strip 503 is clamped in the next clamping groove 1902 after rotating for a certain angle, the pressing seat 21 is released at the moment, the original length recovery elastic force of the torsion spring 1905 and the torsion spring plate 23 are driven to rotate, the rotary plate 23 and the adjusting plate 22 are matched with each other to move to adjust the interactive aperture between the buffer cavity 3 and the adjusting groove to realize the air elasticity of the air spring The spring speed is adjusted, and the rear cavity 13 is communicated with the front cavity 11 through the inner air return hole 6, the buffer cavity 3, the outer air return hole 2 and the outer cavity 7 to realize material exchange, so that the adjustment of the gas spring is realized.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The utility model provides a stepless speed governing air spring, includes cylinder (1) and interior cylinder liner (8), be equipped with outer cavity (7) between cylinder (1) and interior cylinder liner (8), cylinder (1) inside divide into preceding cavity (11) and back cavity (13) through piston (12), piston blowback hole (10) have been seted up on piston (12), install piston rod (17) on piston (12), piston rod (17) pass direction sealing mechanism and extend to the terminal outside of cylinder (1), direction sealing mechanism arranges in on the end of cylinder (1), direction sealing mechanism includes direction sealing member (18) and uide bushing (16), the front end of cylinder (1) is equipped with back end cap (4), be equipped with sealing washer (9) on piston (12), its characterized in that: a connecting seat (15) is arranged in the cylinder barrel (1), the connecting seat (15) is propped against the guide sealing piece (18), a compression spring (14) is arranged between the piston (12) and the connecting seat (15), and the piston rod (17) is positioned in the compression spring (14), the rear choke plug (4) is internally provided with a buffer cavity (3), an outer air return hole (2) and an inner air return hole (6), the outer air return hole (2) is communicated with the buffer cavity (3) and the outer cavity (7), the rear choke plug (4) is also provided with an adjusting groove, the adjusting groove is communicated with the buffer cavity (3), the inner air return hole (6) is communicated with the adjusting groove and the rear cavity body (13), a pressing mechanism and an adjusting plate (22) are arranged in the adjusting groove, the adjusting plate (22) is fixedly arranged in the adjusting groove, the output end of the pressing mechanism is provided with a rotating plate (23), and the rotating plate (23) is positioned below the adjusting plate (22);
the pressing mechanism comprises a pressing seat (21), a clamping seat (5) and a rotary drum (19);
the pressing seat (21) comprises a pressing barrel (2101), a pressing block (2102) is fixedly connected to the lower end of the pressing barrel (2101), an installation ring (2103) is fixedly connected to the upper end of the pressing barrel (2101), a plurality of rectangular grooves (2105) are symmetrically formed in the installation ring (2103), a plurality of wedge-shaped blocks (2104) are symmetrically installed on the installation ring (2103), and each wedge-shaped block (2104) is located at a notch of the corresponding rectangular groove (2105);
the clamping seat (5) comprises a sleeve (501) and an installation barrel (502), the installation barrel (502) is installed on the outer side wall of the sleeve (501), the sleeve (501) is sleeved on the pressing barrel (2101), the installation barrel (502) is fixedly connected to the inner wall of the adjusting groove through a sealing barrel, and a plurality of clamping strips (503) are symmetrically installed at the upper end of the sleeve (501);
the rotary drum (19) is including rotating seat (1903), and circle seat (20) are installed on rotating seat (1903) through the bearing, rotate and install a plurality of fender seats (1901) on the lateral wall of seat (1903), a plurality of draw-in grooves (1902) and a plurality of chute (1904) have been seted up to the symmetry on the lateral wall of rotating seat (1903), and card strip (503) are blocked simultaneously and are established in rectangular channel (2105) and draw-in groove (1902), torsion spring (1905) are installed to the upper end of rotating seat (1903), circle seat (20) are installed to the upper end of torsion spring (1905), and torsion spring (1905) and rotor plate (23) fixed connection.
2. A stepless speed regulating gas spring as claimed in claim 1, characterized in that: the adjusting plate (22) is symmetrically divided into an arc hole area (2201), a round hole area (2203) and a sealing area (2202), a plurality of arc through holes are formed in the arc hole area at equal intervals, and a plurality of round through holes are uniformly formed in the round hole area (2203);
the rotating plate (23) is provided with a fan-shaped hole (2301).
3. A stepless speed regulating gas spring as claimed in claim 1, characterized in that: seted up circular mounting groove on the adjustment tank inner wall, and rotor plate (23) are installed in circular mounting groove, evenly install a plurality of mounting holes on the inner wall of circular mounting groove, every all block in the mounting hole and be equipped with the ball, arc spout (2302) has been seted up on the lateral wall of rotor plate (23), and the equal sliding connection of every ball is in arc spout (2302).
4. A stepless speed regulating gas spring as claimed in claim 1, characterized in that: the inner diameter of the sleeve (501) is equal to the outer diameter of the pressing barrel (2101), and the outer diameter of the sleeve (501) is equal to the outer diameter of the mounting ring (2103).
5. A stepless speed regulating gas spring as claimed in claim 2, characterized in that: the included angle of the fan-shaped holes (2301) is 120 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011191861.4A CN112360910B (en) | 2020-10-30 | 2020-10-30 | Stepless speed regulation air spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| DE102010052389A1 (en) * | 2009-12-03 | 2011-06-09 | Schaeffler Technologies Gmbh & Co. Kg | Damper for damping torsional vibration in power transmission of motor vehicle, has flat spring, pressing element, oil channel, delivery channel and supply channel applying force i.e. spring force and /or hydrolytic force, on weight |
| CN102777530A (en) * | 2012-07-31 | 2012-11-14 | 常州气弹簧有限公司 | Stepless speed-governing gas spring |
| CN205663806U (en) * | 2016-05-25 | 2016-10-26 | 常州国德液压机械有限公司 | Rotatory buffer of damping formula hydraulic pressure |
| CN207621424U (en) * | 2017-11-07 | 2018-07-17 | 福建西河卫浴科技有限公司 | A kind of spool |
| CN210010068U (en) * | 2019-03-12 | 2020-02-04 | 九牧厨卫股份有限公司 | Clamping separation assembly and shower head |
| CN111173960A (en) * | 2020-01-10 | 2020-05-19 | 叶建国 | Cold and hot mixing valve core with multiple water outlets |
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| DE102010052389A1 (en) * | 2009-12-03 | 2011-06-09 | Schaeffler Technologies Gmbh & Co. Kg | Damper for damping torsional vibration in power transmission of motor vehicle, has flat spring, pressing element, oil channel, delivery channel and supply channel applying force i.e. spring force and /or hydrolytic force, on weight |
| CN102777530A (en) * | 2012-07-31 | 2012-11-14 | 常州气弹簧有限公司 | Stepless speed-governing gas spring |
| CN205663806U (en) * | 2016-05-25 | 2016-10-26 | 常州国德液压机械有限公司 | Rotatory buffer of damping formula hydraulic pressure |
| CN207621424U (en) * | 2017-11-07 | 2018-07-17 | 福建西河卫浴科技有限公司 | A kind of spool |
| CN210010068U (en) * | 2019-03-12 | 2020-02-04 | 九牧厨卫股份有限公司 | Clamping separation assembly and shower head |
| CN111173960A (en) * | 2020-01-10 | 2020-05-19 | 叶建国 | Cold and hot mixing valve core with multiple water outlets |
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Effective date of registration: 20220615 Address after: 335400 Guixi City Industrial Park, Yingtan, Jiangxi Applicant after: JIANGXI LIHUAN SPRING Co.,Ltd. Address before: Fuyuan Industrial Park, 1000 Yanshan Road, Huangdao District, Qingdao City, Shandong Province 266599 Applicant before: Ding Jinnian |
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Denomination of invention: A kind of stepless speed regulating gas spring Effective date of registration: 20221215 Granted publication date: 20220719 Pledgee: Guixi Branch of Agricultural Bank of China Ltd. Pledgor: JIANGXI LIHUAN SPRING Co.,Ltd. Registration number: Y2022980027589 |
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Granted publication date: 20220719 Pledgee: Guixi Branch of Agricultural Bank of China Ltd. Pledgor: JIANGXI LIHUAN SPRING Co.,Ltd. Registration number: Y2022980027589 |
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