CN116044912B - Coupling convenient to diameter adaptation - Google Patents
Coupling convenient to diameter adaptation Download PDFInfo
- Publication number
- CN116044912B CN116044912B CN202310257749.3A CN202310257749A CN116044912B CN 116044912 B CN116044912 B CN 116044912B CN 202310257749 A CN202310257749 A CN 202310257749A CN 116044912 B CN116044912 B CN 116044912B
- Authority
- CN
- China
- Prior art keywords
- connecting part
- groove
- shaft
- movable clamping
- coupling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
- F16D1/02—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like
- F16D1/033—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for connecting two abutting shafts or the like by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Clamps And Clips (AREA)
Abstract
The invention belongs to the technical field of mechanical transmission, and particularly relates to a coupler convenient for shaft diameter adaptation, which comprises two symmetrically arranged coupler pieces; each coupling piece comprises a flange plate and a connecting part, and the connecting part is arranged into a hollow shaft-shaped structure; two movable clamping blocks are arranged on the side wall of the connecting part and are used for being matched with keys of the transmission shaft to transmit torque; the movable clamping blocks are connected with steel belts, in an installation state, the steel belts surround the transmission shafts, the other ends of the steel belts extend to the side walls of the connecting parts, and the side walls of the connecting parts are provided with adjusting blocks for adjusting the positions of the other ends of the steel belts on the side walls so as to tighten the steel belts or release the transmission shafts; one end that two shaft coupling pieces are close to is provided with first holding ring, and one end that two shaft coupling pieces are kept away from mutually is provided with the second holding ring, first holding ring, second holding ring are used for the location of transmission shaft. The invention sets keys with different adapting sizes of the movable clamping blocks and sets the transmission shafts with different diameters adapting to the steel belts.
Description
Technical Field
The invention belongs to the technical field of mechanical transmission, and particularly relates to a coupler convenient for shaft diameter adaptation.
Background
In the fields of chemical industry, smelting and the like, pipelines are required to convey liquid products or raw materials, and valves are required to be used for on-off control in the pipelines. Typical valves may be controlled electromagnetically, but some medium and large valves require special actuators. The actuating mechanism is connected with the valve rod of the valve by adopting a coupler, the sizes of connecting holes of an input shaft and an output shaft of the conventional coupler are fixed, and the coupler is difficult to adapt when different power elements or valves are used.
In order to solve the above problems, some couplings not using shaft holes are provided in the prior art, but the conventional form of key transmission is abandoned along with the elimination of the shaft holes, so that the output shaft or the valve rod of the power element also needs to be correspondingly changed, otherwise, the optical axis transmission cannot obtain enough torque.
How to adapt the coupling to different shaft diameters while providing sufficient torque is a problem to be solved.
Disclosure of Invention
The embodiment of the invention aims to provide a coupling convenient for shaft diameter adaptation, and aims to solve the problem of how to adapt the coupling to different shaft diameters and provide enough torque.
The embodiment of the invention is realized in such a way that the coupling convenient for shaft diameter adaptation comprises two symmetrically arranged coupling parts which are connected into a whole through a connecting part;
each coupling piece comprises a flange plate and a connecting part, wherein the connecting part is of a hollow shaft-shaped structure, and the connecting part and the flange plate are coaxially arranged; two movable clamping blocks are arranged on the side wall of the connecting part and are used for being matched with keys of the transmission shaft to transmit torque; the movable clamping blocks are connected with steel belts, in an installation state, the steel belts surround the transmission shafts, the other ends of the steel belts extend to the side walls of the connecting parts, and the side walls of the connecting parts are provided with adjusting blocks for adjusting the positions of the other ends of the steel belts on the side walls so as to tighten the steel belts or release the transmission shafts;
one end that two shaft coupling pieces are close to is provided with first holding ring, and one end that two shaft coupling pieces are kept away from mutually is provided with the second holding ring, first holding ring, second holding ring are used for the location of transmission shaft.
The coupling provided by the invention can be suitable for keys with different sizes by arranging the two movable clamping blocks, so that key transmission is realized; through setting up steel band and holding ring, can adapt to the transmission shaft of different footpaths, realized the adaptation of shaft coupling and different footpaths. The invention solves the problem of the adaptation of the coupler and the transmission shafts with different diameters, and simultaneously reserves a key transmission mode, and can acquire larger torque by using the transmission mode. The arrangement of the steel belt and the positioning ring can effectively prevent the deflection of the transmission shaft, thereby achieving the effect of stable transmission.
Drawings
Fig. 1 is an overall structure diagram of a coupling which is convenient for shaft diameter adaptation and provided by an embodiment of the invention;
fig. 2 is a perspective view of a coupling member according to an embodiment of the present invention;
FIG. 3 is a second perspective view of the coupling member according to the present invention;
fig. 4 is a third perspective view of the coupling member according to the embodiment of the present invention;
fig. 5 is a perspective view of a coupling member according to an embodiment of the present invention.
In the accompanying drawings: 1. a connection part; 2. a flange plate; 3. a first through groove; 4. a second through slot; 5. sizing holes; 6. a second positioning step; 7. a first movable clamp block; 8. a second movable clamp block; 9. a first steel strip; 10. a second steel strip; 11. a second adjustment block; 12. a first adjustment block; 13. a rack; 14. a third through slot; 15. a pin hole; 16. a fourth slot; 17. a gear; 18. a first positioning step; 19. a first positioning ring.
Description of the embodiments
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
As shown in fig. 1 to 5, the embodiment of the invention provides a coupling which is convenient for shaft diameter adaptation, and the coupling which is convenient for shaft diameter adaptation comprises two symmetrically arranged coupling pieces, and the two coupling pieces are connected into a whole through a connecting piece;
each coupling piece comprises a flange plate 2 and a connecting part 1, wherein the connecting part 1 is of a hollow shaft-shaped structure, and the connecting part 1 and the flange plate 2 are coaxially arranged; two movable clamping blocks are arranged on the side wall of the connecting part 1 and are used for being matched with keys of a transmission shaft to transmit torque; the movable clamping blocks are connected with steel belts, in an installation state, the steel belts surround the transmission shaft, the other ends of the steel belts extend to the side walls of the connecting parts 1, and the side walls of the connecting parts 1 are provided with adjusting blocks for adjusting the positions of the other ends of the steel belts on the side walls so as to tighten the steel belts or release the transmission shaft;
the one end that two shaft coupling pieces are close to is provided with first holding ring 19, and the one end that two shaft coupling pieces are kept away from is provided with the second holding ring, first holding ring 19, second holding ring are used for the location of transmission shaft.
In this embodiment, the connecting member may be a screw or a bolt, which is a common connecting member in mechanical connection, and the embodiment of the present invention is not limited thereto.
In this embodiment, the two coupling members are identical in overall structure, and the overall or partial size of any one coupling member can be changed according to specific use conditions, so that the coupling member is adapted to the corresponding transmission shaft. In this embodiment, it may be understood that the transmission shaft herein refers to any one of two shafts that need to be connected and transmitted through a coupling, that is, an output shaft of a power end and an input shaft of an execution end, specifically, the output shaft may be an output shaft of a motor, and the input shaft may be a valve stem of a valve, which is a specific application scenario example, and is not intended to limit a specific scheme of the present invention.
In this embodiment, the connection portion 1 is provided in a hollow shaft shape, and an inner diameter of the hollow shaft is larger than an outer diameter of the corresponding transmission shaft. Two movable clamping blocks are arranged on the side wall of the connecting part 1, and the keys on the transmission shaft are clamped by the two movable clamping blocks, so that key transmission is realized. In this embodiment, for the fixing of the movable clamp blocks, the invention provides a steel strip which is arranged to pull two movable clamp blocks towards each other so as to clamp the keys on the drive shaft.
In this embodiment, the two coupling members are further provided with a first positioning ring 19 and a second positioning ring, and after the transmission shaft is mounted on the connection portion 1, since there is no direct connection between the transmission shaft and the transmission portion, a transmission ring is required to be provided to keep the two transmission shafts coaxial, so as to prevent the transmission from swinging during transmission. When the valve is used for valve driving control, the total rotation angle of the shaft coupler during working is not large because the total stroke of the valve rod is short, and the shaft coupler does not need to rotate at a high speed, so that the coaxiality is ensured only to ensure that the transmission is more stable and accurate, and the transmission is not essential.
The coupling provided by the invention can be suitable for keys with different sizes by arranging the two movable clamping blocks, so that key transmission is realized; through setting up steel band and holding ring, can adapt to the transmission shaft of different footpaths, realized the adaptation of shaft coupling and different footpaths. The invention solves the problem of the adaptation of the coupler and the transmission shafts with different diameters, and simultaneously reserves a key transmission mode, and can acquire larger torque by using the transmission mode. The arrangement of the steel belt and the positioning ring can effectively prevent the deflection of the transmission shaft, thereby achieving the effect of stable transmission.
As an alternative embodiment of the invention, the movable clamp blocks comprise a first movable clamp block 7 and a second movable clamp block 8;
the side wall of the connecting part 1 is provided with a first through groove 3, and a first movable clamping block 7 is movably arranged in the first through groove 3; the head of the first movable clamping block 7 is positioned outside the connecting part 1 after penetrating out of the first through groove 3, the main body of the first movable clamping block 7 is positioned inside the connecting part 1, and the main body of the first movable clamping block 7 is in a mouth-shaped structure;
the side wall of the connecting part 1 is provided with a second through groove 4, and a second movable clamping block 8 is movably arranged in the second through groove 4; the head of the second movable clamping block 8 is located outside the connecting portion 1 after penetrating out of the second through groove 4, the main body of the second movable clamping block 8 is located inside the connecting portion 1, and the main body of the second movable clamping block 8 is of a -shaped structure.
In this embodiment, the first through groove 3 and the second through groove 4 are formed at the same axial position of the connecting portion 1, and the first through groove 3 and the second through groove 4 have the same axial dimension on the connecting portion 1, and are arranged side by side, and the sliding directions of the two movable clamping blocks in the two through grooves are the same and collinear. The main body of the first movable clamping block 7 is arranged into a mouth-shaped structure, while the main body of the second movable clamping block 8 is arranged into a -shaped structure with an opening in the middle, and the size of the opening in the middle of the -shaped structure is larger than or equal to the width of the mouth-shaped structure.
As an alternative embodiment of the present invention, a sizing hole 5 is provided between the first through slot 3 and the second through slot 4, and a sizing screw is provided in the sizing hole 5, where the sizing screw is used for radial limitation of the transmission shaft.
In the embodiment, the sizing holes 5 are arranged to radially position the transmission shaft by using sizing screws, so that the transmission shaft is prevented from being extruded in the direction of the movable clamping block. The tail end of the sizing screw is abutted against the transmission shaft by changing the screwing depth of the sizing screw, so that the transmission shaft is prevented from being contacted with the movable clamping block, and the transmission shaft is prevented from deviating.
As an alternative embodiment of the invention, the adjusting blocks comprise a first adjusting block 12 and a second adjusting block 11;
the first movable clamping block 7 is connected with the first adjusting block 12 through a first steel belt 9, a third through groove 14 is formed in the side wall of the connecting part 1, and the first adjusting block 12 passes through the third through groove 14 and then extends to the outer side of the connecting part 1;
the second movable clamping block 8 is connected with the second adjusting block 11 through a second steel belt 10, a fourth groove 16 is formed in the side wall of the connecting part 1, and the second adjusting block 11 passes through the fourth groove 16 and then extends to the outer side of the connecting part 1;
the first regulating block 12 is in transmission connection with the second regulating block 11 through a transmission structure at the outer side of the connecting part 1.
In this embodiment, on the top view of the connecting portion 1 in the axial direction, the ends of the first steel strip 9 and the second steel strip 10 near the movable clamping blocks are intersected with each other, the ends of the first steel strip 9 and the second steel strip 10 near the adjusting blocks are also intersected with each other, and the transmission shaft is located in the middle of the two intersected ends. By the arrangement, the transmission shaft can be coated in the steel belt, so that the steel belt and the transmission shaft have larger contact area. In the invention, the friction layer can be arranged on the surface of the steel belt, which is contacted with the transmission shaft, and the friction layer can be made of wear-resistant rubber and other materials with larger friction. The thickness of the steel strip is between 0.02mm and 0.5mm, and the steel strip has higher strength and toughness in the range.
In this embodiment, the relative friction between the transmission shaft and the coupling member can be further increased by arranging the steel belt, so that the slipping of the transmission shaft and the coupling member is prevented, and meanwhile, the force applied by the key is reduced, and the stress of the key transmission is reduced.
As an alternative embodiment of the present invention, the transmission structure includes a rack 13 connected with the first adjusting block 12 and a gear 17 connected with the second adjusting block 11, the rack 13 is meshed with the gear 17 for transmission, the rack 13 can slide along the third through slot 14, and the gear 17 can slide along the fourth through slot 16;
the third through-slot 14 is provided with a step on which a pin hole 15 is provided, and sliding of the rack 13 is restricted by inserting a pin shaft into the pin hole 15.
In this embodiment, after the transmission shaft is inserted into the middle part of the encircling structure formed between the two steel belts, the relative distance between the gear 17 and the rack 13 is increased by rotating the gear 17 or pushing the rack 13, so that the steel belts are pulled to cover the transmission shaft, the transmission shaft is fixed, and then the pin shaft is inserted into the pin hole 15, so that the gear 17 and the rack 13 cannot slide relatively, and the transmission shaft is fixed.
In this embodiment, it can be understood that the portions of the two second adjusting blocks 11 extending outside the connecting portion 1 are connected by a gear 17 shaft, the gear 17 is located in the middle of the gear 17 shaft, and the gear 17 shaft is in transfer connection with the two second adjusting blocks 11. In the present embodiment, the length directions of the third through groove 14 and the fourth through groove 16 are along the circumferential direction of the connecting portion 1 (the length directions of the first through groove 3 and the second through groove 4 are also along the circumferential direction of the connecting portion 1), so that the first adjusting block 12 and the second adjusting block 11 can be moved closer to or farther from each other (in the circumferential direction) by rotating the gear 17 and the rack 13 relative to each other, and the first steel strip 9 and the second steel strip 10 clamp or release the drive shaft.
As an alternative embodiment of the present invention, the first steel strip 9 is provided with one, the second steel strip 10 is provided with two, and the sum of the widths of the two second steel strips 10 is equal to the width of one first steel strip 9;
the second adjusting block 11 is provided with two;
the fourth grooves 16 are two, and the third grooves 14 are located between the two fourth grooves 16.
In this embodiment, the number of the first steel belts 9 is one, the number of the second steel belts 10 is two, and the first steel belts 9 are located between the two second steel belts 10, so that the stress of the steel belts and the transmission shaft can be balanced, and the coating of the transmission shaft by the steel belts is more stable.
As an alternative embodiment of the invention, the ends of the two coupling parts, which are close to each other, are provided with a first positioning step 18, a first positioning ring 19 is embedded in the first positioning step 18, and the thickness of the first positioning ring 19 is larger than the height of the first positioning step 18;
the inner diameter of the first positioning ring 19 is equal to the outer diameter of the drive shaft.
In this embodiment, the shape of the first positioning ring 19 matches the shape of the first positioning step 18 and is in a non-circular structure, so as to prevent the first positioning ring 19 and the first positioning step 18 from rotating relatively. In this embodiment, the end of the transmission shaft can be supported by the first positioning ring 19, so that the end surface of the transmission shaft is prevented from swinging when being suspended to rotate.
As an alternative embodiment of the invention, the two coupling parts are provided with second positioning steps 6 at the ends far away from each other, and second positioning rings are embedded in the second positioning steps 6, and the thickness of the second positioning rings is smaller than the height of the first positioning steps 18;
the inner diameter of the second positioning ring is equal to the outer diameter of the transmission shaft.
In this embodiment, similar to the first positioning ring 19, the shape of the second positioning ring matches the shape of the second positioning step 6 and is a non-circular structure for preventing the second positioning ring from rotating relative to the second positioning step 6. In this embodiment, the root of the transmission shaft can be supported by providing the second positioning ring, and three sections of supports are formed by using the first positioning ring 19, the steel belt and the second positioning ring, so that the transmission shaft can rotate more stably.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. The coupler is characterized by comprising two symmetrically arranged coupler pieces, wherein the two coupler pieces are connected into a whole through a connecting piece;
each coupling piece comprises a flange plate and a connecting part, wherein the connecting part is of a hollow shaft-shaped structure, and the connecting part and the flange plate are coaxially arranged; two movable clamping blocks are arranged on the side wall of the connecting part and are used for being matched with keys of the transmission shaft to transmit torque; the movable clamping blocks are connected with steel belts, in an installation state, the steel belts surround the transmission shafts, the other ends of the steel belts extend to the side walls of the connecting parts, and the side walls of the connecting parts are provided with adjusting blocks for adjusting the positions of the other ends of the steel belts on the side walls so as to tighten the steel belts or release the transmission shafts;
one end that two shaft coupling pieces are close to is provided with first holding ring, and one end that two shaft coupling pieces are kept away from mutually is provided with the second holding ring, first holding ring, second holding ring are used for the location of transmission shaft.
2. The coupling for facilitating shaft diameter adaptation according to claim 1, wherein the movable clamp blocks comprise a first movable clamp block and a second movable clamp block;
the side wall of the connecting part is provided with a first through groove, and the first movable clamping block is movably arranged in the first through groove; the head of the first movable clamping block penetrates out of the first through groove and is positioned at the outer side of the connecting part, the main body of the first movable clamping block is positioned at the inner side of the connecting part, and the main body of the first movable clamping block is in a mouth-shaped structure;
the side wall of the connecting part is provided with a second through groove, and the second movable clamping block is movably arranged in the second through groove; the head of the second movable clamping block is located outside the connecting part after penetrating out of the second through groove, the main body of the second movable clamping block is located inside the connecting part, and the main body of the second movable clamping block is of a -shaped structure.
3. The coupling for facilitating shaft diameter adaptation according to claim 2, wherein a sizing hole is arranged between the first through groove and the second through groove, a sizing screw is arranged in the sizing hole, and the sizing screw is used for radial limiting of the transmission shaft.
4. The coupling for facilitating shaft diameter adaptation according to claim 2, wherein the adjustment block comprises a first adjustment block and a second adjustment block;
the first movable clamping block is connected with the first adjusting block through a first steel belt, a third through groove is formed in the side wall of the connecting part, and the first adjusting block penetrates through the third through groove and then extends to the outer side of the connecting part;
the second movable clamping block is connected with the second adjusting block through a second steel belt, a fourth groove is formed in the side wall of the connecting part, and the second adjusting block penetrates through the fourth groove and then extends to the outer side of the connecting part;
the first adjusting block and the second adjusting block are in transmission connection through a transmission structure at the outer side of the connecting part.
5. The coupling for facilitating shaft diameter adaptation according to claim 4, wherein the transmission structure comprises a rack connected with the first adjusting block and a gear connected with the second adjusting block, the rack and the gear are in meshed transmission, the rack can slide along the third through groove, and the gear can slide along the fourth through groove;
the third through groove is provided with a step, a pin hole is formed in the step, and a pin shaft is inserted into the pin hole to limit sliding of the rack.
6. The coupling for facilitating shaft diameter adaptation according to claim 4, wherein one first steel strip is provided, two second steel strips are provided, and a sum of widths of the two second steel strips is equal to a width of one first steel strip;
the second adjusting blocks are two;
the fourth grooves are two, and the third groove is positioned between the two fourth grooves.
7. The coupling for facilitating shaft diameter adaptation according to claim 1, wherein a first positioning step is arranged at one end of each of the two coupling members, which is close to each other, and a first positioning ring is embedded in the first positioning step, and the thickness of the first positioning ring is larger than the height of the first positioning step;
the inner diameter of the first positioning ring is equal to the outer diameter of the transmission shaft.
8. The coupling for facilitating shaft diameter adaptation according to claim 1, wherein the ends of the two coupling members, which are far away from each other, are provided with second positioning steps, second positioning rings are embedded in the second positioning steps, and the thickness of the second positioning rings is smaller than the height of the first positioning steps;
the inner diameter of the second positioning ring is equal to the outer diameter of the transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310257749.3A CN116044912B (en) | 2023-03-17 | 2023-03-17 | Coupling convenient to diameter adaptation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310257749.3A CN116044912B (en) | 2023-03-17 | 2023-03-17 | Coupling convenient to diameter adaptation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116044912A CN116044912A (en) | 2023-05-02 |
| CN116044912B true CN116044912B (en) | 2023-06-06 |
Family
ID=86122117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310257749.3A Active CN116044912B (en) | 2023-03-17 | 2023-03-17 | Coupling convenient to diameter adaptation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116044912B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57204307A (en) * | 1981-06-11 | 1982-12-15 | Skf Nova Ab | Friction joint apparatus |
| WO1999066223A2 (en) * | 1998-06-17 | 1999-12-23 | The Gates Corporation | Flexible shaft coupling element, flexible couplings incorporating same and method for forming same |
| JP2005133849A (en) * | 2003-10-30 | 2005-05-26 | Nsk Ltd | Bearing device assembly and water pump device |
| JP2011133004A (en) * | 2009-12-24 | 2011-07-07 | Nsk Ltd | Coupling part for shaft and yoke of universal joint |
| CN207377984U (en) * | 2017-11-07 | 2018-05-18 | 北京中航华源永铭科技有限公司 | Flange seal clip |
| WO2019022015A1 (en) * | 2017-07-25 | 2019-01-31 | 日本精工株式会社 | Torque transmission joint and electric power steering device |
| CN110637169A (en) * | 2017-04-21 | 2019-12-31 | 圣戈班性能塑料万科有限公司 | Tolerance ring, method and assembly for part retention control |
| CN212717750U (en) * | 2020-06-10 | 2021-03-16 | 煜安特种阀门研制(深圳)有限公司 | Butterfly spring for multi-stage sealing compound valve |
| CN212959574U (en) * | 2020-06-12 | 2021-04-13 | 煜安特种阀门研制(深圳)有限公司 | Valve coupling protection connecting device |
| CN216447329U (en) * | 2021-12-21 | 2022-05-06 | 凯佑辉机械设备(昆山)有限公司 | Shaft coupling convenient to installation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN215058989U (en) * | 2021-04-14 | 2021-12-07 | 广东富华机械装备制造有限公司 | Elastic clamping coupler |
-
2023
- 2023-03-17 CN CN202310257749.3A patent/CN116044912B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57204307A (en) * | 1981-06-11 | 1982-12-15 | Skf Nova Ab | Friction joint apparatus |
| WO1999066223A2 (en) * | 1998-06-17 | 1999-12-23 | The Gates Corporation | Flexible shaft coupling element, flexible couplings incorporating same and method for forming same |
| JP2005133849A (en) * | 2003-10-30 | 2005-05-26 | Nsk Ltd | Bearing device assembly and water pump device |
| JP2011133004A (en) * | 2009-12-24 | 2011-07-07 | Nsk Ltd | Coupling part for shaft and yoke of universal joint |
| CN110637169A (en) * | 2017-04-21 | 2019-12-31 | 圣戈班性能塑料万科有限公司 | Tolerance ring, method and assembly for part retention control |
| WO2019022015A1 (en) * | 2017-07-25 | 2019-01-31 | 日本精工株式会社 | Torque transmission joint and electric power steering device |
| CN207377984U (en) * | 2017-11-07 | 2018-05-18 | 北京中航华源永铭科技有限公司 | Flange seal clip |
| CN212717750U (en) * | 2020-06-10 | 2021-03-16 | 煜安特种阀门研制(深圳)有限公司 | Butterfly spring for multi-stage sealing compound valve |
| CN212959574U (en) * | 2020-06-12 | 2021-04-13 | 煜安特种阀门研制(深圳)有限公司 | Valve coupling protection connecting device |
| CN216447329U (en) * | 2021-12-21 | 2022-05-06 | 凯佑辉机械设备(昆山)有限公司 | Shaft coupling convenient to installation |
Non-Patent Citations (1)
| Title |
|---|
| 弹性联轴器的新结构;贺永富;起重运输机械(第05期);58-59 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116044912A (en) | 2023-05-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2015263717B2 (en) | Permanent-magnet coupling self-alignment protective device | |
| JP5926177B2 (en) | Device for mechanically connecting at least two parts having coaxial holes | |
| US7939979B2 (en) | Electric actuator | |
| US8870489B2 (en) | Device for the rotationally fixed connection of a pin of a gearbox to an articulated body of a drive coupling of a drive shaft | |
| US4452547A (en) | Means detachably mounting a speed reducing mechanism on a shaft to be driven | |
| CN116044912B (en) | Coupling convenient to diameter adaptation | |
| KR102244723B1 (en) | Temperature compensation device with double material stem nut for opening and closing valve, dual reduction ratio reducer and temperature compensation device with dual reduction ratio for opening and closing valve | |
| EP2711497B1 (en) | Modular shaft for machine tools | |
| US20190242437A1 (en) | Dual Concentric Drive Method and Apparatus | |
| CN102308133B (en) | Linear actuator with internal linear to rotary conversion and external rotary component | |
| AU2008231824B2 (en) | Lifting gear | |
| US6823972B2 (en) | Spring clutch | |
| CN103727260A (en) | Forced sealing ball valve | |
| JP2022552058A (en) | linear actuator | |
| WO1994027778A1 (en) | Change gear apparatus and method | |
| EP0713567B1 (en) | Variable-speed drive, particularly for vehicles | |
| CN215109905U (en) | Connecting structure for assembling valve shaft and force transmission accessory | |
| US20200130148A1 (en) | Notched line runner socket | |
| RU2295077C1 (en) | Transmission with a flexible gearing member | |
| CN201262175Y (en) | Screw type expansion coupling sleeve | |
| CN217951435U (en) | Connecting device of valve and valve | |
| CN112322851A (en) | Transmission shaft connecting structure and application thereof | |
| CN103273359B (en) | A kind of gear drive | |
| CN217457585U (en) | High-compatibility ceramic roller | |
| CN220378738U (en) | Universal long shaft coupler |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |