CN213592774U - Quick-release tool applied to valve shaft and coupling of electric butterfly valve - Google Patents
Quick-release tool applied to valve shaft and coupling of electric butterfly valve Download PDFInfo
- Publication number
- CN213592774U CN213592774U CN202021994380.2U CN202021994380U CN213592774U CN 213592774 U CN213592774 U CN 213592774U CN 202021994380 U CN202021994380 U CN 202021994380U CN 213592774 U CN213592774 U CN 213592774U
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- China
- Prior art keywords
- positioning cavity
- coupling
- valve shaft
- positioning
- quick
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The utility model relates to a quick-release tool applied to an electric butterfly valve shaft and a shaft coupling, which comprises a positioning piece for fixing the shaft coupling and a force application screw rod for separating the shaft coupling and the valve shaft; a positioning cavity and a threaded hole communicated with the positioning cavity are arranged on the positioning piece, an opening is formed in one side, away from the threaded hole, of the positioning cavity, the positioning cavity and the threaded hole are coaxially arranged, and the force application screw is in threaded connection with the threaded hole and can extend into the positioning cavity; the diameter of the force application screw is smaller than the aperture of the central hole of the coupler; at least one group of tightening pieces are installed on the cavity wall of the positioning cavity, and each group of tightening pieces comprise two tightening screw rods which are oppositely arranged. The problem of difficult separation caused by corrosion at the joint of the valve shaft and the coupling is solved; the work efficiency of valve shaft and shaft coupling separation is improved, the shaft coupling damage problem that leads to in the disengaging process has been avoided.
Description
Technical Field
The utility model relates to an electric butterfly valve maintenance technical field especially relates to be applied to the quick detach instrument of electric butterfly valve shaft and shaft coupling.
Background
In power plants, there are many pipe systems in which electric butterfly valves are used as shut-off valves, control valves and check valves, which are important components. The electric butterfly valve mainly comprises an electric driving part and a valve body, wherein the electric driving part is generally a motor, the valve body generally comprises a valve seat, a butterfly plate and a valve shaft, the valve shaft is connected with an output shaft of the motor through a coupler, the valve shaft is connected with the coupler through a key, and the motor acts to drive the valve shaft to rotate through the coupler, so that the opening of the butterfly valve is adjusted.
In the long-time use, the valve body is easy to damage, and after the valve body is damaged, the connection between the valve shaft and the coupler needs to be removed, and then the valve body needs to be replaced again. The joint of the valve shaft and the coupler is easy to corrode, so that the valve shaft and the coupler are difficult to separate.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's is not enough, provides the quick detach instrument of being applied to electric butterfly valve shaft and shaft coupling, has solved the problem of the separation difficulty that the junction of valve shaft and shaft coupling leads to because of the corrosion.
The utility model is realized by the following technical proposal, provides a quick-dismantling tool applied to the valve shaft and the shaft coupling of the electric butterfly valve, which comprises a positioning piece for fixing the shaft coupling and a force application screw rod for separating the shaft coupling and the valve shaft; a positioning cavity and a threaded hole communicated with the positioning cavity are arranged on the positioning piece, an opening is formed in one side, away from the threaded hole, of the positioning cavity, the positioning cavity and the threaded hole are coaxially arranged, and the force application screw is in threaded connection with the threaded hole and can extend into the positioning cavity; the diameter of the force application screw is smaller than the aperture of the central hole of the coupler; at least one group of tightening pieces are installed on the cavity wall of the positioning cavity, and each group of tightening pieces comprise two tightening screw rods which are oppositely arranged.
Preferably, the jacking screw is in threaded connection with the wall of the positioning cavity and is perpendicular to the central axis of the positioning cavity.
Preferably, the tightening screw is located close to the opening of the positioning cavity. Therefore, the jacking screw rod is blocked outside the surface bulge of the coupler by rotating the jacking screw rod, and the coupler is limited in the positioning cavity.
Preferably, the top tightening members are two groups. The limiting of the position of the coupler can be fully guaranteed, and the coupler is prevented from being moved out of the positioning cavity.
Preferably, the positioning cavity is cylindrical, and the inner diameter of the positioning cavity is the same as the maximum outer diameter of the coupling. When the coupler can be ensured to be smoothly placed, the central axis of the coupler is coaxial with the central axis of the positioning cavity.
Preferably, the holding part is fixed to the positioning member.
The utility model has the advantages that:
the utility model has simple structure and convenient operation, can conveniently realize the separation of the shaft coupling and the valve shaft, and solves the problem of difficult separation caused by corrosion at the joint of the valve shaft and the shaft coupling; the working efficiency of separating the valve shaft from the coupling is improved, and the problem of damage to the coupling caused in the separation process is avoided; low cost, and convenient popularization and application.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the utility model in use;
shown in the figure:
1. the positioning piece comprises a positioning piece 2, a coupler 3, a valve shaft 4, a force application screw rod 5, a positioning cavity 6, a threaded hole 7, a jacking screw rod 8 and a handheld portion.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1 and 2, the present invention includes a positioning member 1 for fixing a coupling 2 and a force application screw 4 for separating the coupling 2 and a valve shaft 3. Set up location chamber 5 and the screw hole 6 that is linked together with location chamber 5 on setting element 1, one side that screw hole 6 was kept away from in location chamber 5 sets up the opening, location chamber 5 sets up with screw hole 6 is coaxial. Force application screw rod 4 threaded connection can stretch into to location chamber 5 in the screw hole 6, can realize that force application screw rod 4 stretches into the length adjustment of location chamber 5 through rotating force application screw rod 4. The diameter of the force application screw rod 4 is smaller than the aperture of the central hole of the coupler 2.
At least one set of tight piece in the chamber wall mounting in location chamber 5, every group push up tight piece including two tight screw rods 7 that push up that the subtend set up, push up tight screw rod 7 threaded connection on 5 chamber walls in location chamber and with the axis of location chamber 5 perpendicular.
The jacking screw rod 7 is located at the opening position close to the positioning cavity 5, so that the jacking screw rod 7 is blocked at the outer side of the surface bulge of the coupler 2 by rotating the jacking screw rod 7, and the coupler 2 is limited in the positioning cavity 5. In this embodiment, the two sets of the top fastening members can sufficiently ensure the position of the coupling 2 and prevent the coupling 2 from moving out of the positioning cavity 5.
In this embodiment, location chamber 5 is cylindrical, and the internal diameter of location chamber 5 is the same with the biggest external diameter of shaft coupling 2, when can guaranteeing that shaft coupling 2 puts into smoothly, conveniently makes the axis of shaft coupling 2 coaxial with the axis in location chamber 5.
In order to facilitate the separation of the coupling 2 and the valve shaft 3, a handle 8 is fixed to the positioning member 1.
In the concrete work, when the valve body needs to be replaced, the connection between the coupler 2 and the motor is firstly released, then the coupler 2 is placed into the positioning cavity 5, one end, connected with the motor, of the coupler 2 is close to the threaded hole 6, the valve shaft 3 is located outside the positioning cavity 5, the coupler 2 is limited in the positioning cavity 5 by the adjusting jacking screw 7, then the handheld portion 8 is held by a hand, the force application screw 4 is rotated through a wrench, the force application screw 4 is enabled to enter the positioning cavity 5 and extend into the central hole of the coupler 2 to be in contact with the valve shaft 3, the force application screw 4 is continuously rotated, the valve shaft 3 is pushed out of the central hole of the coupler 2 through the force application screw 4, and the separation of the coupler.
The utility model has simple structure and convenient operation, can conveniently realize the separation of the shaft coupling 2 and the valve shaft 3, and solves the problem of difficult separation caused by corrosion at the joint of the valve shaft 3 and the shaft coupling 2; the working efficiency of separating the valve shaft 3 from the coupling 2 is improved, and the problem of damage to the coupling 2 caused in the separation process is avoided; low cost, and convenient popularization and application.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (6)
1. Be applied to quick detach instrument of electric butterfly valve shaft and shaft coupling, its characterized in that: the device comprises a positioning piece for fixing a coupler and a force application screw rod for separating the coupler and a valve shaft; a positioning cavity and a threaded hole communicated with the positioning cavity are arranged on the positioning piece, an opening is formed in one side, away from the threaded hole, of the positioning cavity, the positioning cavity and the threaded hole are coaxially arranged, and the force application screw is in threaded connection with the threaded hole and can extend into the positioning cavity; the diameter of the force application screw is smaller than the aperture of the central hole of the coupler; at least one group of tightening pieces are installed on the cavity wall of the positioning cavity, and each group of tightening pieces comprise two tightening screw rods which are oppositely arranged.
2. The quick-release tool applied to the valve shaft and the coupling of the electric butterfly valve according to claim 1, characterized in that: the jacking screw rod is in threaded connection with the wall of the positioning cavity and is perpendicular to the central axis of the positioning cavity.
3. The quick-release tool applied to the valve shaft and the coupling of the electric butterfly valve according to claim 2, characterized in that: the jacking screw rod is positioned at the position close to the opening of the positioning cavity.
4. The quick-release tool applied to the valve shaft and the coupling of the electric butterfly valve according to claim 1, characterized in that: the top tightening piece is divided into two groups.
5. The quick-release tool applied to the valve shaft and the coupling of the electric butterfly valve according to claim 1, characterized in that: the positioning cavity is cylindrical, and the inner diameter of the positioning cavity is the same as the maximum outer diameter of the coupler.
6. The quick-release tool applied to the valve shaft and the coupling of the electric butterfly valve according to claim 1, characterized in that: the hand-held part is fixed on the positioning part.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021994380.2U CN213592774U (en) | 2020-09-14 | 2020-09-14 | Quick-release tool applied to valve shaft and coupling of electric butterfly valve |
| PCT/CN2020/130105 WO2022052306A1 (en) | 2020-09-14 | 2020-11-19 | Quick-release tool applied to valve shaft of electric butterfly valve and coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021994380.2U CN213592774U (en) | 2020-09-14 | 2020-09-14 | Quick-release tool applied to valve shaft and coupling of electric butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213592774U true CN213592774U (en) | 2021-07-02 |
Family
ID=76588239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021994380.2U Active CN213592774U (en) | 2020-09-14 | 2020-09-14 | Quick-release tool applied to valve shaft and coupling of electric butterfly valve |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN213592774U (en) |
| WO (1) | WO2022052306A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10344623A1 (en) * | 2003-09-25 | 2005-04-28 | Bosch Gmbh Robert | Device for removal of fuel injection valve, comprising bolt acting in combination with sleeve and handle |
| JP2005177882A (en) * | 2003-12-17 | 2005-07-07 | Sony Corp | Tool for removing head damaged screw |
| CN201544186U (en) * | 2009-10-29 | 2010-08-11 | 灵宝市金源矿业有限责任公司 | Portable detaching tool for mining equipment |
| CN202480039U (en) * | 2011-12-31 | 2012-10-10 | 贵州中烟工业有限责任公司 | Quick disassembling tool for coupling |
| CN210633598U (en) * | 2019-07-19 | 2020-05-29 | 河钢股份有限公司承德分公司 | Disassembling tool for steam turbine coupling bolt |
| CN210819389U (en) * | 2019-07-31 | 2020-06-23 | 河钢股份有限公司承德分公司 | Coupler dismounting device |
-
2020
- 2020-09-14 CN CN202021994380.2U patent/CN213592774U/en active Active
- 2020-11-19 WO PCT/CN2020/130105 patent/WO2022052306A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022052306A1 (en) | 2022-03-17 |
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| GR01 | Patent grant |