Tool for butterfly valve

Abstract

The butterfly valve comprises an electric motor, a valve body, a valve rod and a valve plate, the electric motor is provided with a rotating shaft and is zeroed, the valve body is fixedly arranged on the electric motor and is provided with a channel, the valve rod is rotatably arranged in the valve body and is partially arranged in the channel, and the valve plate is arranged in the channel and is fixed to the valve rod. A saddle structure; the calibration assembly is arranged on the base and located on one side of the supporting table structure, and the calibration assembly can be inserted into the channel of the valve body to adjust the position of the valve plate in the valve body to the position where the channel of the valve body is completely closed; the jacking assembly is arranged on the base, located on the other side of the supporting table structure and capable of being inserted into the channel of the valve body so as to press the valve plate on the calibration assembly, and therefore the valve plate and the valve rod are prevented from rotating relative to the valve body. According to the tool, the butterfly valve assembling process is simpler, more convenient and faster, and the angle between the valve plate and the valve body can be accurately adjusted in the butterfly valve assembling process.

Description

Technical Field

[0001] Embodiments of the present invention relate to the field of household electrical appliances. More specifically, the present invention relates to a tooling tool for a butterfly valve. Background Art

[0002] As an important fluid control equipment widely used in the fields of petroleum, chemical industry, metallurgy, hydropower, etc., the butterfly valve is mainly used to realize fluid cut-off, regulation and throttling in the pipeline system. It directly affects the operating efficiency and safety of the industrial system by controlling the rotation angle of the valve stem of the butterfly valve and adjusting the deflection angle of the valve plate of the butterfly valve in the valve body. The sealing performance and adjustment accuracy

[0003] In the process of assembling a butterfly valve, it is necessary to first install the valve plate of the butterfly valve into the valve body of the butterfly valve, then connect the valve stem of the butterfly valve to the valve plate, and after adjusting the installation position of the valve plate in the valve body, lock the valve stem and the rotating shaft of the electric motor through a coupling to complete the manufacture or installation of the butterfly valve. When adjusting the installation position of the valve plate in the valve body, the operator needs to repeatedly measure the installation position of the valve plate in the valve body through a distance measuring device such as an infrared rangefinder and adjust the valve plate until the installation position of the valve plate in the valve body meets the expectations (such as the central axis of the valve plate coincides with the central axis of the valve body channel, and the valve plate completely closes the channel of the valve body).

[0004] Although the above measurement and correction methods can determine the position of the valve plate in the valve body, they still expose many defects. Specifically, the assembly and measurement process of the butterfly valve is relatively complicated. More importantly, after the position of the valve plate in the valve body is adjusted, the position of the valve plate will also be affected during the process of locking the coupling, which is not conducive to improving the assembly accuracy of the butterfly valve. Summary of the invention

[0005] In order to solve one or more of the technical problems mentioned above, the present invention provides a tool for a butterfly valve, which makes the process of assembling the butterfly valve simpler and faster and improves the assembly accuracy of the butterfly valve.

[0006] According to the present invention, it provides a tooling tool for a butterfly valve, the butterfly valve includes an electric motor with a rotating shaft and has been adjusted to zero, a valve body fixed on the electric motor and having a channel, a valve stem rotatably arranged in the valve body and partially placed in the channel, a valve plate arranged in the channel and fixed on the valve stem, and a coupling that has not yet fastened the valve stem and the rotating shaft of the electric motor. The tooling tool includes: a base; a support structure, which is arranged on the base and used to support and limit the butterfly valve; a calibration component, which is arranged on the base and located on one side of the support structure, and can be inserted into the channel of the valve body to adjust the orientation of the valve plate in the valve body to a position that completely closes the channel of the valve body; a tightening component, which is arranged on the base and located on the other side of the support structure, and can be inserted into the channel of the valve body to press the valve plate against the calibration component, thereby preventing the valve plate and the valve stem from rotating relative to the valve body.

[0007] Further, the calibration assembly includes a first bracket arranged on the base, a push rod fixed on the first bracket and having a first boss and a second boss, and a micrometer passing through the push rod and fixed relative to the push rod, and the fixed position of the micrometer in the push rod is set as follows: when the first boss and the second boss of the push rod are respectively abutted against the valve plate on both sides of the valve stem at the same time, the measuring rod of the micrometer has been pushed by the valve plate and retracted into its table body until the pointer of the micrometer rotates to the zero scale position.

[0008] Furthermore, the pressing assembly includes a second bracket fixedly arranged on the base, and a pressing component arranged on the second bracket and capable of being operated to selectively enter or exit the channel of the valve body.

[0009] Further, the pressing component includes a first sleeve and a second sleeve slidably arranged in the second bracket and both of which can move between a predetermined working position and an avoidance position, and a first pressing bolt installed in the first sleeve and threadedly matched with the first sleeve and a second pressing bolt installed in the second sleeve and threadedly matched with the first sleeve, wherein the first sleeve and the second sleeve have a first annular groove and a second annular groove in sequence; the tool also includes a receiving space opened in the second bracket, a button partially arranged in the receiving space and having a first locking hole and a second locking hole parallel to each other, and a return spring arranged at the bottom of the receiving space and abutting against the button, wherein the first locking hole and the second locking hole allow the first sleeve and the second sleeve to pass through the button in sequence; when the button is not pressed, the button can, under the maintaining action of the return spring, cause the first annular groove of the first sleeve and the second annular groove of the second sleeve to be eccentrically located in the first locking hole and the second locking hole of the button in sequence, so that the button engages with the first sleeve and the second sleeve to prevent The first sleeve and the second sleeve are prevented from moving in the button and the second bracket, so that the first sleeve and the second sleeve are both stopped at the working position closer to the valve body than the avoidance position, which not only ensures that the first pressing bolt can be rotated in the first sleeve and extended and abutted against the first predetermined position of the valve plate, but also ensures that the second pressing bolt can be rotated in the second sleeve and extended and abutted against the second predetermined position of the valve plate, the first predetermined position and the second predetermined position of the valve plate are two positions on the valve plate respectively located on both sides of the valve stem; when the button is pressed, the button compresses the return spring and forces the first locking hole and the second locking hole to be coaxial with the first sleeve and the second sleeve in sequence, at which time the first sleeve and the second sleeve can be driven and slide in the button and the second bracket to move from the working position to the avoidance position, so that the first sleeve and the first pressing bolt carried by it, and the second sleeve and the second pressing bolt carried by it are away from the butterfly valve and allow the butterfly valve to be removed from the tooling tool.

[0010] Furthermore, the calibration assembly also includes a first baffle fixedly mounted on the first sleeve and the second sleeve, and a second baffle fixedly mounted on the first sleeve and the second sleeve, wherein the first baffle and the second baffle are located on both sides of the second bracket, and the interval between the two is greater than or equal to the displacement required for the first sleeve or the second sleeve to move from the working position to the avoidance position.

[0011] Furthermore, the support structure includes a first part supporting the electric motor, a second part supporting the valve body, and a third part connecting the first part and the second part, wherein the first part has a supporting surface matching and contacting the outer surface of the valve body, and a limiting surface vertically arranged on one side of the supporting surface, and the limiting surface is used to abut and limit the side of the valve body close to the calibration component.

[0012] Furthermore, the tooling tool includes a first linear rail and a second linear rail which are arranged at intervals on the base and are both perpendicular to the central axis of the valve stem. The first portion of the support structure is slidably mounted on the base via the first linear rail, and the second portion of the support structure is slidably mounted on the base via the second linear rail. The tooling tool also includes a first limiting component which is arranged on the base and adjacent to the end of the first linear rail closest to the calibration component. The first limiting component can limit the electric motor when in contact with the electric motor.

[0013] Further, the first limiting component includes a third bracket, a first top screw penetrating the third bracket and threadedly connected to the third bracket, and a first top block rotatably arranged on an end of the first top screw close to the electric motor.

[0014] Furthermore, the tooling tool further comprises a second limiting component arranged on the base, and the second limiting component can contact the valve body at a side of the valve body facing away from the electric motor and limit the valve body.

[0015] Furthermore, the second limiting component includes a fourth bracket, a second top screw penetrating through the fourth bracket and threadedly connected to the fourth bracket, and a second top block rotatably arranged on the end of the second top screw close to the support structure.

[0016] In the tooling tool for a butterfly valve of the present invention, the butterfly valve is placed on a support structure, and the support structure is used to support and limit the butterfly valve. Next, the calibration assembly is inserted into the passage of the valve body to adjust the position of the valve plate in the valve body to a position that completely closes the passage of the valve body, and then the tightening assembly is inserted into the passage of the valve body to press the valve plate against the calibration assembly to prevent the valve plate and the valve stem from rotating relative to the valve body. Finally, the coupling is tightened to securely connect the valve stem and the rotating shaft of the electric motor. Since the tooling tool can help the operator adjust the position of the valve plate in the valve body at one time and complete the tightening operation of the coupling, this method can effectively ensure that the process of assembling the butterfly valve is simpler and faster than repeated measurement and adjustment in the prior art. In addition, since the tightening assembly presses the valve plate against the calibration assembly and prevents the valve plate and the valve stem from rotating relative to the valve body, the valve stem and the rotating shaft of the electric motor will not rotate relative to each other during the tightening of the coupling, ensuring that after the entire assembly process is completed, the installation position of the valve plate in the valve body still meets expectations, thereby effectively improving the assembly accuracy of the butterfly valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] By reading the following detailed description with reference to the accompanying drawings, the above and other objects, features and advantages of the exemplary embodiments of the present invention will become readily understood. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0018] Figure 1 A three-dimensional diagram of a butterfly valve in an embodiment of the present invention is shown;

[0019] Figure 2 A diagram showing an installation state of a butterfly valve according to an embodiment of the present invention installed on a tool;

[0020] Figure 3 Shows Figure 2 A partial enlarged view of the area A shown in FIG.

[0021] Figure 4 Shows Figure 1 A perspective view of the calibration assembly and the tightening assembly shown;

[0022] Figure 5 Shows Figure 3 A cross-sectional view of the internal structure of the second bracket shown;

[0023] Figure 6 A stereoscopic view of a first position-limiting component and a second position-limiting component is shown.

[0024] Description of reference numerals: 100, butterfly valve; 102, electric motor; 103, valve body; 104, channel; 105, valve stem; 106, valve plate; 200, tooling; 3, base; 31, first linear rail; 32, second linear rail; 4, support structure; 41, first part; 42, second part; 421, supporting surface; 422, limiting surface; 43, third part; 5, calibration assembly; 51, first bracket; 52, push rod; 521, first boss; 522, second boss; 523, dial gauge; 5231, measuring rod; 53, first baffle; 5 4. Second baffle; 6. Clamping assembly; 61. Second bracket; 611. Accommodating space; 612. First locking hole; 613. Second locking hole; 614. Button; 62. Clamping component; 621. First sleeve; 622. First pressing bolt; 623. Second sleeve; 624. Second pressing bolt; 625. First annular groove; 626. Second annular groove; 7. First limiting component; 71. Third bracket; 72. First pressing screw; 73. First ejector block; 8. Second limiting component; 81. Fourth bracket; 82. Second pressing screw; 83. Second ejector block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present disclosure.

[0026] The embodiment of the present invention provides a tool for a butterfly valve, see Figure 1 , Figure 2 and Figure 3. Among them, the butterfly valve 100, as an important fluid control device, can realize fluid cutting, regulation and throttling in the pipeline system, and is widely used in industrial systems. The existing butterfly valve 100 includes an electric motor 102 with a rotating shaft and needs to be zeroed before installation, and a valve body 103 connected to the electric motor 102. The existing electric motor 102 mainly includes a motor. Among them, the electric motor 102 needs to be zeroed before and after installation to ensure that the electric motor 102 can accurately implement flow and pressure control when receiving a control signal. The butterfly valve 100 also includes a channel 104 arranged in the valve body 103, a valve stem 105 rotatably arranged in the valve body 103 and partially placed in the channel 104, and a valve plate 106 arranged in the channel 104 and fixed on the valve stem 105. The valve stem 105 and the rotating shaft of the electric motor 102 are connected by a coupling. During the installation process, the coupling is in an unfastened state. After the angle adjustment of the valve stem 105 and the valve plate 106 relative to the valve body 103 is completed, the coupling is tightened to ensure that the relative positions of the valve stem 105 and the valve plate 106 are as expected, thereby ensuring the precise operation and control of the butterfly valve 100.

[0027] Based on the above description, the tooling tool 200 includes a base 3, and a support structure 4 fixed on the base 3 and capable of carrying and limiting the butterfly valve 100. The tooling tool 200 also includes a calibration component 5 disposed on the base 3 and located on one side of the support structure 4. The calibration component 5 can be inserted into the channel 104 of the valve body 103 to adjust the position of the valve plate 106 in the valve body 103 to a position where the channel 104 of the valve body 103 is completely closed, and the central axis of the valve plate 106 coincides with the central axis of the channel of the valve body 103, and the valve plate 106 completely closes the channel of the valve body 103. The tooling tool 200 also includes a clamping assembly 6 disposed on the base 3 and located on the other side of the support structure 4. The clamping assembly 6 can be inserted into the channel 104 of the valve body 103, and press the valve plate 106 against the calibration assembly 5 from the side of the valve plate 106 away from the calibration assembly 5, thereby preventing the valve plate 106 and the valve stem 105 from rotating relative to the valve body 103.

[0028] In the tooling tool 200 for the butterfly valve 100 of the present invention, the butterfly valve 100 is placed on the support structure 4, and the support structure 4 is used to carry and limit the butterfly valve 100. Next, the calibration component 5 is inserted into the passage 104 of the valve body 103 to adjust the position of the valve plate 106 in the valve body 103 to a position that completely closes the passage 104 of the valve body 103, and then the pressing component 6 is inserted into the passage 104 of the valve body 103 to press the valve plate 106 against the calibration component 5 to prevent the valve plate 106 and the valve stem 105 from rotating relative to the valve body 103. Finally, the coupling is tightened to tightly connect the valve stem 105 and the rotating shaft of the electric motor 102. Since the tooling 200 can help the operator adjust the position of the valve plate 106 in the valve body 103 at one time and complete the tightening operation of the coupling, this method can effectively ensure that the process of assembling the butterfly valve 100 is simpler and faster than the repeated measurement and adjustment in the prior art. In addition, since the pressing component 6 presses the valve plate 106 against the calibration component 5 and prevents the valve plate 106 and the valve stem 105 from rotating relative to the valve body 103, during the process of tightening the coupling, the valve stem 105 and the rotating shaft of the electric motor 102 will not rotate relative to each other, ensuring that after the entire assembly process is completed, the position of the valve plate 106 installed in the valve body 103 still meets expectations, thereby effectively improving the assembly accuracy of the butterfly valve 100.

[0029] In this embodiment, refer to Figure 1 and Figure 4 The calibration assembly 5 specifically includes a first bracket 51 disposed on the base 3, a push rod 52 fixedly disposed on the first bracket 51 and having a first boss 521 and a second boss 522, and a micrometer 523 passing through the push rod 52. The first boss 521 and the second boss 522 are coplanar with the two side walls of the valve plate 106 and are parallel to the side wall of the valve plate 106 in the zeroing state. The measuring rod 5231 of the micrometer 523 passes through the push rod 52, and the probe of the measuring rod 5231 should protrude from the first boss 521 and the second boss 522. The fixed position of the micrometer 523 in the push rod 52 is set so that: when the first boss 521 of the push rod 52 abuts against the valve plate 106 on one side of the valve stem 105, and the second boss 522 of the push rod 52 abuts against the valve plate 106 on the other side of the valve stem 105, the measuring rod 5231 of the micrometer 523 has been pushed by the valve plate 106 and retracted into the body of the micrometer 523 until the pointer of the micrometer 523 rotates to the zero scale position. At this time, the first boss 521 and the second boss 522 are facing the two side walls of the valve plate 106 and the three are coplanar, the position of the valve plate 106 in the valve body 103 has been adjusted, and the valve plate 106 can completely close the passage 104 of the valve body 103.

[0030] As an example, see Figure 1 and Figure 5The pressing assembly 6 includes a second bracket 61 fixedly mounted on the base 3, and a pressing component 62 mounted on the second bracket 61 and operable to selectively enter or exit the passage 104 of the valve body 103. The pressing component 62 includes a first sleeve 621 and a second sleeve 623 slidably mounted in the second bracket 61 and both capable of moving between a predetermined working position and an escape position. The predetermined position refers to the position where the pressing component 62 is used to press the valve plate 106, and the escape position refers to the position where the pressing component 62 is retracted to the position where the butterfly valve 100 can be installed on the tooling tool 200 or removed from the tooling tool 200. The clamping component 62 also includes a first pressing bolt 622 installed in the first sleeve 621 and threadedly matched with the first sleeve 621, and a second pressing bolt 624 installed in the second sleeve 623 and threadedly matched with the second sleeve 623. The first sleeve 621 and the second sleeve 623 have a first annular groove 625 and a second annular groove 626 respectively.

[0031] When installing the butterfly valve 100, the first sleeve 621 and the second sleeve 623 need to be moved to the avoidance position first to leave installation space for the butterfly valve 100. After the valve body 103 and the electric motor 102 of the butterfly valve 100 are installed, move the first sleeve 621 and the second sleeve 623 to the working position, and then tighten the first pressing bolt 622 and the second pressing bolt 624 to tighten the valve plate 106 from the side of the valve plate 106 away from the calibration component 5.

[0032] In this embodiment, refer to Figure 1 , Figure 5 and Figure 6 The tooling tool 200 further includes a receiving space 611 opened in the second bracket 61, a button 614 partially disposed in the receiving space 611 and having a first locking hole 612 and a second locking hole 613 parallel to each other, and a return spring disposed at the bottom of the receiving space 611 and abutting against the button 614, wherein the first locking hole 612 and the second locking hole 613 allow the first sleeve 621 and the second sleeve 623 to pass through the button 614 in turn.

[0033] When the button 614 is not pressed, the button 614 can, under the maintenance of the return spring, cause the first annular groove of the first sleeve 621 and the second annular groove of the second sleeve 623 to be eccentrically located in the first locking hole 612 and the second locking hole 613 of the button 614 in sequence, so that the button 614 is engaged with the first sleeve 621 and the second sleeve 623 to prevent the first sleeve 621 and the second sleeve 623 from moving in the button 614 and the second bracket 61, so that the first sleeve 621 and the second sleeve 623 both stay at a working position closer to the valve body 103 than the avoidance position, which not only ensures that the first pressing bolt 622 can be rotated in the first sleeve 621 to extend out and abut against the first predetermined position of the valve plate 106, but also ensures that the second pressing bolt 624 can be rotated in the second sleeve 623 to extend out and abut against the second predetermined position of the valve plate 106. The first predetermined position and the second predetermined position of the valve plate 106 are two positions of the last three of the valve plate 106, which are respectively located on both sides of the valve stem 105.

[0034] When the button 614 is pressed, the button 614 compresses the return spring and forces the first locking hole 612 and the second locking hole 613 to be coaxial with the first sleeve 621 and the second sleeve 623 in sequence. At this time, the first sleeve 621 and the second sleeve 623 can be driven and slide in the button 614 and the second bracket 61 to move from the working position to the avoidance position, so that the first sleeve 621 and the first pressing bolt 622 carried by it, as well as the second sleeve 623 and the second pressing bolt 624 carried by it are away from the butterfly valve 100 and allow the butterfly valve 100 to be removed from the tooling 200.

[0035] In this embodiment, the calibration component 5 further includes a first baffle 53 fixedly sleeved on the first sleeve 621 and the second sleeve 623, and a second baffle 54 fixedly sleeved on the first sleeve 621 and the second sleeve 623, wherein the first baffle 53 and the second baffle 54 are respectively located on both sides of the second bracket 61, and the interval between the two is greater than or equal to the displacement required for the first sleeve 621 or the second sleeve 623 to move from the working position to the avoidance position. The first baffle 53 and the second baffle 54 are used to limit the moving position of the first sleeve 621 and the second sleeve 623, and under the premise of ensuring that the first sleeve 621 and the second sleeve 623 have sufficient moving distance, the first sleeve 621 and the second sleeve 623 are effectively prevented from sliding off from the first bracket 51 and the second bracket 61.

[0036] Preferably, refer to Figure 1 and Figure 6The support structure 4 includes a first portion 41 supporting the electric motor 102, a second portion 42 supporting the valve body 103, and a third portion 43 connecting the first portion 41 and the second portion 42. The electric motor 102 is mounted on the first portion 41 by means of bolts or screws, and the second portion 42 has a supporting surface 421 matching the outer surface of the valve body 103, and a limiting surface 422 vertically arranged on one side of the supporting surface 421. The supporting surface 421 is used to support the valve body 103 in the vertical direction, and the limiting surface 422 is used to abut against the side of the valve body 103 close to the calibration component 5. Through the supporting surface 421 and the limiting surface 422, the valve body 103 is supported on the one hand, and the distance between the valve body 103 and the calibration component 5 can be positioned on the other hand.

[0037] Preferably, the tooling includes a first linear rail 31 and a second linear rail 32 which are arranged on the base 3 at intervals and are both perpendicular to the central axis of the valve stem 105, the first portion 41 of the support mechanism 4 is slidably mounted on the base 3 through the first linear rail 31, and the second portion 42 of the support mechanism 4 is slidably mounted on the base 3 through the second linear rail 32, and the tooling 200 also includes a first limiting component 7 which is arranged on the base 3 and adjacent to the end of the first linear rail 31 closest to the calibration component 5, and a second limiting component 8 which is arranged on the base 3. As an example, the first limiting component 7 includes a third bracket 71 and a first top screw 72 which passes through the third bracket 71 and is threadedly connected to the third bracket 71, and a first top block 73 which is rotatably arranged on the end of the first top screw 72 close to the electric motor 102. The second limiting component 8 includes a fourth bracket 81 and a second top screw 82 which passes through the fourth bracket 81 and is threadedly connected to the fourth bracket 81, and a second top block 83 which is rotatably arranged on the end of the second top screw 82 close to the support structure 4.

[0038] The first limiting component 7 can limit the electric motor 102 when in contact with the electric motor 102, and the second limiting component 8 can contact the valve body 103 on the side of the valve body 103 away from the electric motor 102 and limit it, thereby accurately positioning the valve body 103 and the electric motor 102, which is beneficial for the operator to directly determine the installation position of the butterfly valve 100 and the electric motor 102, reduces the experience requirements for workers, and facilitates installation.

[0039] In summary, the tooling tool 200 mentioned above can accurately position and fix the butterfly valve 100 while reducing the experience requirements for the operator. It can also accurately adjust the angle of the valve plate 106 and the valve stem 105 relative to the valve body 103 while reducing the impact of the valve plate 106 angle during the locking coupling process, thereby improving the accuracy of the butterfly valve 100 during assembly.

[0040] In the above description of the present application, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected" or "connected" and the like should be understood in a broad sense. For example, with regard to the term "connection", it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal connection of two elements or the interaction relationship between two elements. Therefore, unless otherwise clearly defined in the present application, those skilled in the art can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0041] According to the above description of the present application, those skilled in the art may also understand that the terms used below, such as "inner", "outer", "axial", "radial", "circumferential", etc., which indicate orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings of the present application, and are only for the purpose of facilitating the explanation of the scheme of the present invention and simplifying the description, rather than explicitly or implicitly indicating that the device or element involved must have the specific orientation, be constructed and operated in a specific orientation. Therefore, the above-mentioned orientation or positional relationship terms cannot be understood or interpreted as limitations on the scheme of the present invention.

[0042] In addition, the terms "first" or "second" used in this application to refer to numbers or ordinals are only used for descriptive purposes and cannot be understood as explicitly or implicitly indicating relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this application, the meaning of "plurality" is at least two, such as two, three or more, etc., unless otherwise clearly and specifically defined.

[0043] Although multiple embodiments of the present invention have been shown and described herein, it will be apparent to those skilled in the art that such embodiments are provided by way of example only. Those skilled in the art may conceive of many changes, modifications, and alternatives without departing from the thought and spirit of the present invention. It should be understood that in the process of practicing the present invention, various alternatives to the embodiments of the present invention described herein may be adopted. The appended claims are intended to define the scope of protection of the present invention, and therefore cover equivalents or alternatives within the scope of these claims.

Claims

1. A tool for a butterfly valve, the butterfly valve comprising an electric motor having a rotating shaft and being adjusted to zero, a valve body fixedly mounted on the electric motor and having a passage, a valve stem rotatably mounted in the valve body and partially disposed in the passage, a valve plate disposed in the passage and fixed to the valve stem, and a coupling that has not yet been fastened to connect the valve stem and the rotating shaft of the electric motor, characterized in that: The tooling tool comprises: Pedestal; A support structure, which is arranged on the base and is used to carry and limit the butterfly valve; a calibration assembly, which is disposed on the base and located on one side of the support structure, and can be inserted into the passage of the valve body to adjust the position of the valve plate in the valve body to a position that completely closes the passage of the valve body; A tightening assembly is arranged on the base and located on the other side of the support structure, and can be inserted into the channel of the valve body to press the valve plate onto the calibration assembly, thereby preventing the valve plate and the valve stem from rotating relative to the valve body.

2. The tooling tool according to claim 1, characterized in that: The calibration assembly includes a first bracket arranged on the base, a push rod fixed on the first bracket and having a first boss and a second boss, and a micrometer passing through the push rod and fixed relative to the push rod. The fixed position of the micrometer in the push rod is set as follows: when the first boss and the second boss of the push rod abut against the valve plate at both sides of the valve stem respectively, the measuring rod of the micrometer has been pushed by the valve plate and retracted into its table body until the pointer of the micrometer rotates to the zero scale position.

3. The tooling tool according to claim 1, characterized in that: The pressing assembly comprises a second bracket fixed on the base, and a pressing component arranged on the second bracket and capable of being operated to selectively enter or exit the channel of the valve body.

4. The tooling tool according to claim 3, characterized in that: The pressing component comprises a first sleeve and a second sleeve which are slidably arranged in the second bracket and can move between a predetermined working position and an avoidance position, and a first pressing bolt which is installed in the first sleeve and threadedly matched with the first sleeve and a second pressing bolt which is installed in the second sleeve and threadedly matched with the second sleeve, wherein the first sleeve and the second sleeve have a first annular groove and a second annular groove in sequence; The tooling tool further comprises a receiving space provided in the second bracket, a button partially provided in the receiving space and having a first locking hole and a second locking hole parallel to each other, and a return spring provided at the bottom of the receiving space and abutting against the button, wherein the first locking hole and the second locking hole sequentially allow the first sleeve and the second sleeve to pass through the button; When the button is not pressed, the button can, under the maintaining action of the return spring, cause the first annular groove of the first sleeve and the second annular groove of the second sleeve to be eccentrically located in the first locking hole and the second locking hole of the button in sequence, so that the button is engaged with the first sleeve and the second sleeve to prevent the first sleeve and the second sleeve from moving again in the button and the second bracket, so that the first sleeve and the second sleeve are both stopped at a working position closer to the valve body than the avoidance position, which not only ensures that the first pressing bolt can be rotated in the first sleeve to extend out and abut against the first predetermined position of the valve plate, but also ensures that the second pressing bolt can be rotated in the second sleeve to extend out and abut against the second predetermined position of the valve plate, and the first predetermined position and the second predetermined position of the valve plate are two positions on the valve plate respectively located on both sides of the valve stem; When the button is pressed, the button compresses the return spring and forces the first locking hole and the second locking hole to be coaxial with the first sleeve and the second sleeve in sequence. At this time, the first sleeve and the second sleeve can be driven and slide in the button and the second bracket to move from the working position to the avoidance position, so that the first sleeve and the first pressing bolt carried by it, as well as the second sleeve and the second pressing bolt carried by it are away from the butterfly valve and allow the butterfly valve to be removed from the tooling tool.

5. The tooling tool according to claim 4, characterized in that: The calibration assembly also includes a first baffle fixedly mounted on the first sleeve and the second sleeve, and a second baffle fixedly mounted on the first sleeve and the second sleeve, wherein the first baffle and the second baffle are located on both sides of the second bracket, and the interval between the two is greater than or equal to the displacement required for the first sleeve or the second sleeve to move from the working position to the avoidance position.

6. The tooling tool according to claim 1, characterized in that: The support structure includes a first part supporting the electric motor, a second part supporting the valve body, and a third part connecting the first part and the second part, wherein the second part has a supporting surface matching and contacting the outer surface of the valve body, and a limiting surface vertically arranged on one side of the supporting surface, and the limiting surface is used to abut and limit the side of the valve body close to the calibration component.

7. The tooling tool according to claim 6, characterized in that: The tooling tool comprises a first linear rail and a second linear rail which are arranged at intervals on the base and are both perpendicular to the central axis of the valve stem; a first portion of the support structure is slidably mounted on the base via the first linear rail, and a second portion of the support structure is slidably mounted on the base via the second linear rail; the tooling tool further comprises a first limiting component which is arranged on the base and adjacent to the end of the first linear rail which is closest to the calibration assembly; the first limiting component can limit the electric motor when in contact with the electric motor.

8. The tooling tool according to claim 7, characterized in that: The first limiting component includes a third bracket, a first top screw penetrating the third bracket and threadedly connected to the third bracket, and a first top block rotatably disposed on an end of the first top screw close to the electric motor.

9. The tooling tool according to claim 1, characterized in that: The tooling tool further comprises a second limiting component disposed on the base, and the second limiting component can contact the valve body at a side of the valve body facing away from the electric motor and limit the valve body.

10. The tooling tool according to claim 9, characterized in that: The second limiting component includes a fourth bracket, a second top screw penetrating the fourth bracket and threadedly connected to the fourth bracket, and a second top block rotatably arranged on the end of the second top screw close to the support structure.

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