CN216000378U - Extracting tool and have its butterfly valve subassembly - Google Patents

Abstract

The utility model provides a extracting tool and have its butterfly valve assembly, wherein, extracting tool, include: a first clamp assembly; the second hoop component and the first hoop component are arranged side by side, and the first hoop component and the second hoop component are respectively positioned on two sides of the butterfly valve; the abutting structure comprises a nut arranged on the first hoop component, a cover-shaped part arranged on the second hoop component and a first threaded part which can penetrate through the nut and abut against and match with the cover-shaped part. The technical scheme of this application has solved the mode of the change butterfly valve among the correlation technique effectively, not only wastes time and energy, and the dismouting also has the problem of potential safety hazard.

Description

Extracting tool and have its butterfly valve subassembly

Technical Field

The utility model relates to a pipeline field of maintaining particularly, relates to a extracting tool and have its butterfly valve subassembly.

Background

At present, a butterfly valve is installed on a pipeline when the pipeline is maintained in a daily way in a production workshop. When maintaining or changing the butterfly valve, owing to receive butterfly valve mounting means and the pipeline and the space restriction at place, the butterfly valve is pressed from both sides tightly fixedly by the flange of place pipeline both sides, needs two people to drag the pipeline of both sides or pry the butterfly valve with the crowbar during dismouting, just can take out the butterfly valve, also so during the installation.

The mode of changing the butterfly valve not only wastes time and energy, and has potential safety hazard in dismounting, but also easily damages the sealing ring of the butterfly valve when the butterfly valve is installed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a extracting tool and have its butterfly valve subassembly to solve the mode of the change butterfly valve among the correlation technique, not only waste time and energy, the dismouting also has the problem of potential safety hazard.

In order to achieve the above object, according to an aspect of the present invention, there is provided a disassembling tool including: a first clamp assembly; the second hoop component and the first hoop component are arranged side by side, and the first hoop component and the second hoop component are respectively positioned on two sides of the butterfly valve; the abutting structure comprises a nut arranged on the first hoop component, a cover-shaped part arranged on the second hoop component and a first threaded part which can penetrate through the nut and abut against and match with the cover-shaped part.

Further, the first clip assembly includes: a first clamp; the first end of the second hoop is connected with the first end of the first hoop; a first buckle structure connected with the second end of the first clamp, the first buckle structure having a locked position buckled on the second end of the second clamp and an unlocked position separated from the second end of the second clamp; nut and first screw member are a plurality ofly, and some nuts set up on the surface of first clamp, and another part nut sets up on the surface of second clamp.

Further, the first buckle structure comprises a first slot-shaped operating part hinged with the second end of the first clamping hoop and a first fastener hinged with the first slot-shaped operating part, the hinged position of the first fastener and the first slot-shaped operating part is positioned on one side of the hinged position of the second end of the first clamping hoop and the first slot-shaped operating part, and the first buckle structure is in the locking position under the condition that the first fastener is buckled on the second end of the second clamping hoop.

Further, first screw thread spare includes the screw rod section of screw head section and being connected with the screw head section, and the screw head section includes first operation piece and second operation piece, and the second operation piece is connected between the tip of first operation piece and screw rod section, and the screw rod section can pass the nut and support the cooperation with lid shape piece, and wherein, be provided with interior hexagonal hole on the terminal surface that the screw rod section was kept away from to first operation piece, and the longitudinal section of second operation piece is the hexagon.

Further, the first end of first clamp passes through second screw thread spare and second clamp connection, wherein, the first mounting groove and the first hole of dodging that are provided with mutual intercommunication on the first end of first clamp, the outside of second clamp is provided with first screw hole, the second screw thread spare includes first spiral shell head and the first screw rod of being connected with first spiral shell head, the cooperation of the tank bottom wall backstop of first spiral shell head and first mounting groove, first screw rod passes first hole of dodging and the cooperation of first screw hole.

Further, the second clip assembly includes: a third clamp; the first end of the fourth clamp is connected with the first end of the third clamp; a second buckle structure connected with the second end of the third clamp, the second buckle structure having a locked position buckled on the second end of the fourth clamp and an unlocked position separated from the second end of the fourth clamp; the cover-shaped parts are multiple, one part of the cover-shaped parts is arranged on the outer surface of the third clamping hoop, the other part of the cover-shaped parts is arranged on the outer surface of the fourth clamping hoop, and the plurality of cover-shaped parts and the plurality of nuts are arranged in a one-to-one correspondence mode.

Further, the second buckle structure comprises a second slot-shaped operating part hinged with the second end of the third clamping band and a second fastener hinged with the second slot-shaped operating part, the hinged position of the second fastener and the second slot-shaped operating part is positioned on one side of the hinged position of the second end of the third clamping band and the second slot-shaped operating part, and the second buckle structure is in the locking position under the condition that the second fastener is buckled on the second end of the fourth clamping band.

Further, the first end of the third clip is connected to the fourth clip by a third threaded member.

Further, the first end of third clamp is provided with the second mounting groove and the second of intercommunication and dodges the hole, and the outside of fourth clamp is provided with the second screw hole, and the third screw thread spare includes second spiral shell head and the second screw rod of being connected with the second spiral shell head, and the cooperation of the tank bottom wall backstop of second spiral shell head and second mounting groove, second screw rod pass the second and dodge the hole and cooperate with the second screw hole.

According to the utility model discloses an on the other hand provides a butterfly valve subassembly, including butterfly valve and extracting tool, extracting tool is foretell extracting tool, and extracting tool is used for dismantling the butterfly valve on the pipeline.

Use the technical scheme of the utility model, extracting tool includes: first clamp subassembly, second clamp subassembly and support the structure. The second clamp component and the first clamp component are arranged side by side, and the first clamp component and the second clamp component are respectively located on two sides of the butterfly valve. The abutting structure comprises a nut arranged on the first hoop component, a cover-shaped part arranged on the second hoop component and a first threaded part which can penetrate through the nut and is abutted against and matched with the cover-shaped part. When the butterfly valve is maintained or replaced, the first clamp component is sleeved outside the flange on one side of the pipeline, the second clamp component is sleeved outside the flange on the other side of the pipeline, the second clamp component and the first clamp component are arranged side by side, and the first clamp component and the second clamp component are respectively positioned on two sides of the butterfly valve. The first threaded part penetrates through the nut and is abutted to the cover-shaped part in a matching mode, the nut can play a guiding role for the first threaded part, and the butterfly valve and flanges on two sides are ejected by the abutting force applied to the cover-shaped part through the first threaded part so as to be taken out. After the butterfly valve is replaced, a new butterfly valve can be installed again. The process of maintaining or replacing the butterfly valve is time-saving and labor-saving, the butt joint is very convenient, the potential safety hazard existing in the process of dismounting is reduced, and the risk of damaging the butterfly valve or a sealing ring in the butterfly valve is greatly reduced. Therefore, the technical scheme of this application has solved the mode of the change butterfly valve among the correlation technique effectively, not only wastes time and energy, and the dismouting also has the problem of potential safety hazard.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic perspective view of a dismounting tool according to an embodiment of the present invention mounted at a butterfly valve;

FIG. 2 is a schematic perspective view of the butterfly valve of FIG. 1 after being disassembled by the disassembling tool;

FIG. 3 shows a perspective view of the removal tool of FIG. 1;

FIG. 4 shows a perspective view of a first clip assembly of the removal tool of FIG. 1;

FIG. 5 shows a perspective view of a second clip assembly of the removal tool of FIG. 1; and

fig. 6 shows a schematic top view of the first threaded element of the removal tool of fig. 1.

Wherein the figures include the following reference numerals:

1. a butterfly valve; 2. a pipeline; 10. a first clamp assembly; 11. a first clamp; 12. a second clamp; 13. a first snap structure; 131. a first slot-shaped operating member; 132. a first fastener; 14. a second threaded member; 20. a second clip assembly; 21. a third clamp; 22. a fourth clamp; 23. a second snap structure; 231. a second slot-shaped operating member; 232. a second fastener; 24. a third screw member; 30. a propping structure; 31. a nut; 32. a cover-shaped member; 33. a first screw member; 331. a screw head section; 3311. a first operation block; 3312. a second operation block; 332. a screw section.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

The inventor finds that when the butterfly valve is disassembled and assembled in the related art, two or three persons are required to pull the pipelines on two sides or pry the butterfly valve by a crowbar, the butterfly valve is damaged, potential safety hazards exist, the working difficulty is difficult, and the disassembling time is 30-40 minutes.

In order to solve the above problem, as shown in fig. 1 to 5, the removal tool of the present embodiment includes: a first clip assembly 10, a second clip assembly 20, and an abutting structure 30. The second clamp assembly 20 and the first clamp assembly 10 are arranged side by side, and the first clamp assembly 10 and the second clamp assembly 20 are respectively located on two sides of the butterfly valve 1. The abutting structure 30 includes a nut 31 provided on the first band assembly 10, a cover member 32 provided on the second band assembly 20, and a first screw member 33 capable of passing through the nut 31 and abutting-engaging with the cover member 32.

Use the technical scheme of this embodiment, when maintenance or change butterfly valve 1, overlap first clamp subassembly 10 outside the flange of one side of pipeline 2, overlap second clamp subassembly 20 outside the flange of the opposite side of pipeline 2, make second clamp subassembly 20 and first clamp subassembly 10 set up side by side, and first clamp subassembly 10 and second clamp subassembly 20 are located butterfly valve 1's both sides respectively. The first screw member 33 passes through the nut 31 and is in abutting engagement with the cap member 32. The nut 31 can guide the first screw member, and the butterfly valve 1 and the flanges on both sides are pushed open by the pushing force applied to the cover 32 by the first screw member 33, so that the butterfly valve 1 can be taken out. After the butterfly valve is replaced, a new butterfly valve can be installed again. The process of maintaining or replacing the butterfly valve is time-saving and labor-saving, the butt joint is very convenient, the potential safety hazard existing in the process of dismounting is reduced, and the risk of damaging the butterfly valve or a sealing ring in the butterfly valve is greatly reduced. Therefore, the technical scheme of this embodiment has solved the mode of the change butterfly valve among the correlation technique effectively, not only wastes time and energy, and the dismouting also has the problem of potential safety hazard. Furthermore, the disassembly process can be realized by only one person, the potential safety hazard can be avoided, the working difficulty is simplified, and the disassembly time is between 10 and 20 minutes.

As shown in fig. 2 to 4, the first clip assembly 10 includes: a first clip 11, a second clip 12 and a first snap feature 13. A first end of the second clip 12 is connected to a first end of the first clip 11. The first snap structure 13 is connected to the second end of the first clip 11. The first snap feature 13 has a locked position to snap onto the second end of the second clip 12 and an unlocked position separated from the second end of the second clip 12. In this way, when the first snap structure 13 is in the locked position, the first clip assembly 10 can be locked to securely fix the first clip assembly 10 outside the flange on one side of the pipeline 2. When the first snap feature 13 is in the tripped position, the first clip assembly 10 can be tripped to remove the first clip assembly 10 from the flange on one side of the pipeline 2. In order to apply a uniform abutting force to the cover member 32 by the first screw member 33 for easy disassembly, the nut 31 and the first screw member 33 are two, and a part of the nut 31 is provided on the outer surface of the first yoke 11 and the other part of the nut 31 is provided on the outer surface of the second yoke 12. The two nuts 31 smoothly guide the two first screws 33, respectively. Of course, the number of the nuts and the first screw members may not be limited to two, but may be three, four, and more. Nut 31 is preferably an M10 nut.

Preferably, a portion of the nut 31 is welded to an outer surface of the first band 11 and another portion of the nut 31 is welded to an outer surface of the second band 12.

As shown in fig. 2 to 4, the first snap structure 13 includes a first slot operating member 131 hinged to the second end of the first yoke 11 and a first fastening member 132 hinged to the first slot operating member 131. The hinge position of the first fastening member 132 to the first channel operating member 131 is located on one side of the hinge position of the second end of the first yoke 11 to the first channel operating member 131. With the first fastener 132 fastened to the second end of the second clip 12, the first snap structure 13 is in the locked position. At this time, the first slot operator 131 is attached to the outside of the first yoke 11, and the first hook 132 can be effectively prevented from being disengaged.

As shown in fig. 1 to 3 and 6, the first screw 33 includes a screw section 331 and a screw section 332 connected to the screw section 331, and the screw section 331 includes a first operating block 3311 and a second operating block 3312. The second operating block 3312 is connected between the first operating block 3311 and the end of the screw section 332, and the screw section 332 is capable of passing through the nut 31 and being in abutting engagement with the cap member 32. The screw section 332 cooperates with the nut 31 to make the first screw member 33 move more smoothly. The first operating block 3311 is provided with a hexagon socket on its end face away from the screw section 332, and the second operating block 3312 has a hexagonal longitudinal section. The socket head and the first operating block 3311 may be engaged with a socket head wrench, and the hexagon and the second operating block 3312 may be engaged with a wrench. Like this, if receive space restriction during the dismouting, can select to adopt spanner (17) or allen key (8) to rotate screw head section 331 for screw head section 332 supports and pushes up, convenient operation, simple, and greatly reduced safety risk. Of course, in an embodiment not shown in the figures, the end face of the first operating block remote from the screw section may be provided with a cross-recess countersunk head or a straight-recess countersunk head.

Preferably, the screw section 332 is of a gauge M10, 100mm in length. A second operating block 3312 is welded between the first operating block 3311 and the end of the screw section 332.

As shown in fig. 1 to 4, the first end of the first band 11 is connected to the second band 12 by a second screw 14. Wherein, be provided with the first mounting groove and the first hole of dodging that communicate each other on the first end of first clamp 11, the outside of second clamp 12 is provided with first screw hole. The second screw thread part 14 comprises a first screw head and a first screw rod connected with the first screw head, the first screw head is matched with the stop of the groove bottom wall of the first mounting groove, and the first screw rod penetrates through the first avoiding hole to be matched with the first threaded hole. In this way, the distance between the first clamp 11 and the second clamp 12 can be adjusted by the second screw 14, so that the first clamp assembly 10 can be sleeved outside flanges with different diameters, and universality is realized.

As shown in fig. 1 to 3 and 5, the second clip assembly 20 includes: a third clip 21, a fourth clip 22, and a second snap feature 23. A first end of the fourth clip 22 is connected to a first end of the third clip 21. The second snap structure 23 is connected to the second end of the third clip 21. The second snap structure 23 has a locked position to snap onto the second end of the fourth clip 22 and an unlocked position separated from the second end of the fourth clip 22. In this way, when the second snap structure 23 is in the locked position, the second clip assembly 20 can be locked to securely hold the second clip assembly 20 outside the flange on the other side of the pipeline 2. When the second snap structure 23 is in the tripped position, the second clip assembly 20 can be tripped to remove the second clip assembly 20 from the flange on the other side of the pipeline 2. In order to apply a uniform abutting force to the cover 32 by the first screw member 33 for easy detachment, the cover 32 is provided in two, a part of the cover 32 is provided on the outer surface of the third yoke 21, the other part of the cover 32 is provided on the outer surface of the fourth yoke 22, and the two covers 32 are provided in one-to-one correspondence with the two nuts 31. The number of the cover-shaped members may not be limited to two, and may be increased or decreased according to the number of the nuts and the first screw members. Cover piece 32 is preferably a M12 cap nut.

Preferably, a portion of the cover shaped member 32 is welded to the outer surface of the third yoke 21, another portion of the cover shaped member 32 is welded to the outer surface of the fourth yoke 22,

as shown in fig. 1 to 3 and 5, the second latch structure 23 includes a second slot-shaped operation member 231 hinged to the second end of the third yoke 21 and a second fastening member 232 hinged to the second slot-shaped operation member 231. The hinge position of the second fastening member 232 and the second slot-shaped operation member 231 is located on one side of the hinge position of the second end of the third clamping band 21 and the second slot-shaped operation member 231, and the second snap structure 23 is in the locking position when the second fastening member 232 is fastened to the second end of the fourth clamping band 22. At this time, the second slot operator 231 is attached to the outside of the third yoke 21, and the second fastener 232 can be effectively prevented from being disengaged.

As shown in fig. 1 to 3 and 5, the first end of the third clip 21 is connected to the fourth clip 22 by a third screw 24. In this way, the distance between the third band 21 and the fourth band 22 can be adjusted by the third screw member 24, so that the second band assembly 20 can be sleeved outside flanges with different diameters (such as the flange of DN50 or DN 65), and universality is realized.

As shown in fig. 1 to 3 and 5, a first end of the third yoke 21 is provided with a second mounting groove and a second avoiding hole, which are communicated with each other, and a second threaded hole is formed in an outer portion of the fourth yoke 22. In order to achieve reliable engagement, the third threaded element 24 comprises a second screw head and a second threaded rod connected to the second screw head, the second screw head engages with a stop on the bottom wall of the second mounting groove, and the second threaded rod engages with the second threaded hole through the second avoiding hole.

The application also provides a butterfly valve component, including butterfly valve 1 and extracting tool, extracting tool is foretell extracting tool, and extracting tool is used for dismantling butterfly valve 1 on the pipeline. Because foretell extracting tool can solve the mode of the change butterfly valve among the correlation technique, not only waste time and energy, dismouting also have the problem of potential safety hazard for the butterfly valve subassembly including this extracting tool can solve same technical problem.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A removal tool, comprising:

a first clip assembly (10);

the second hoop component (20) is arranged side by side with the first hoop component (10), and the first hoop component (10) and the second hoop component (20) are respectively positioned on two sides of the butterfly valve (1);

the abutting structure (30) comprises a nut (31) arranged on the first clamp assembly (10), a cover-shaped piece (32) arranged on the second clamp assembly (20) and a first threaded piece (33) which can penetrate through the nut (31) and is in abutting fit with the cover-shaped piece (32).

2. A removal tool according to claim 1, wherein the first clip assembly (10) comprises:

a first clamp (11);

a second clamp (12), a first end of the second clamp (12) being connected to a first end of the first clamp (11);

a first snap feature (13) connected to the second end of the first clip (11), the first snap feature (13) having a locked position to snap onto the second end of the second clip (12) and an unlocked position separated from the second end of the second clip (12);

the nut (31) and the first screw member (33) are plural, and a part of the nut (31) is provided on an outer surface of the first yoke (11) and the other part of the nut (31) is provided on an outer surface of the second yoke (12).

3. A dismounting tool according to claim 2, characterized in that said first snap feature (13) comprises a first slot-shaped operating member (131) hinged to the second end of said first clamping band (11) and a first fastening member (132) hinged to said first slot-shaped operating member (131), the position of hinging of said first fastening member (132) to said first slot-shaped operating member (131) being located on one side of the position of hinging of the second end of said first clamping band (11) to said first slot-shaped operating member (131), said first snap feature (13) being in said locked position with said first fastening member (132) snapped onto the second end of said second clamping band (12).

4. The removal tool according to claim 1, wherein the first threaded member (33) comprises a screw section (331) and a screw section (332) connected to the screw section (331), the screw section (331) comprising a first operating block (3311) and a second operating block (3312), the second operating block (3312) being connected between the first operating block (3311) and an end of the screw section (332), the screw section (332) being capable of passing through the nut (31) and being in abutting engagement with the cover member (32), wherein an end face of the first operating block (3311) remote from the screw section (332) is provided with a hexagonal socket, and a longitudinal cross-section of the second operating block (3312) is hexagonal.

5. The removal tool according to claim 2, characterized in that, the first end of first clamp (11) pass through second screw (14) with second clamp (12) is connected, wherein, be provided with the first mounting groove and the first hole of dodging that communicate each other on the first end of first clamp (11), the outside of second clamp (12) is provided with first screw hole, second screw (14) include first spiral shell head and the first screw rod of being connected with first spiral shell head, first spiral shell head with the tank bottom wall backstop cooperation of first mounting groove, first screw rod pass first dodge the hole with first screw hole cooperation.

6. A removal tool according to claim 2, wherein the second clip assembly (20) comprises:

a third clamp (21);

a fourth clip (22), a first end of the fourth clip (22) being connected to a first end of the third clip (21);

a second snap feature (23) connected to a second end of the third clip (21), the second snap feature (23) having a locked position to snap onto a second end of the fourth clip (22) and an unlocked position separated from the second end of the fourth clip (22);

the cover-shaped parts (32) are multiple, one part of the cover-shaped parts (32) are arranged on the outer surface of the third clamping hoop (21), the other part of the cover-shaped parts (32) are arranged on the outer surface of the fourth clamping hoop (22), and the plurality of the cover-shaped parts (32) and the plurality of nuts (31) are arranged in a one-to-one correspondence mode.

7. A disassembly tool according to claim 6, wherein the second catch arrangement (23) comprises a second slot-shaped operating member (231) hinged to the second end of the third collar (21) and a second catch member (232) hinged to the second slot-shaped operating member (231), the hinge position of the second catch member (232) to the second slot-shaped operating member (231) being located on one side of the hinge position of the second end of the third collar (21) to the second slot-shaped operating member (231), the second catch arrangement (23) being in the locked position with the second catch member (232) caught on the second end of the fourth collar (22).

8. A removal tool according to claim 6, characterized in that the first end of the third collar (21) is connected to the fourth collar (22) by means of a third screw member (24).

9. The removal tool according to claim 8, wherein a second mounting groove and a second avoiding hole are provided on the first end of the third clamp (21), the second mounting groove and the second avoiding hole are communicated with each other, a second threaded hole is provided on the outside of the fourth clamp (22), the third screw member (24) comprises a second screw head and a second screw rod connected with the second screw head, the second screw head is matched with a groove bottom wall stop of the second mounting groove, and the second screw rod passes through the second avoiding hole and is matched with the second threaded hole.

10. A butterfly valve assembly comprising a butterfly valve (1) and a removal tool, characterized in that the removal tool is a removal tool according to any one of claims 1 to 9 for removing the butterfly valve (1) from a pipeline.

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