CN209887023U - Ball valve assembly fixture - Google Patents
Ball valve assembly fixture Download PDFInfo
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- CN209887023U CN209887023U CN201920170328.6U CN201920170328U CN209887023U CN 209887023 U CN209887023 U CN 209887023U CN 201920170328 U CN201920170328 U CN 201920170328U CN 209887023 U CN209887023 U CN 209887023U
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Abstract
The utility model relates to a valve assembly technical field, concretely relates to ball valve assembly fixture and assembly process. The ball valve assembling tool comprises an expansion assembly and a spring seat, wherein the expansion assembly can expand with the spring seat to form a combined body; and the driving component is used for driving the spring seat to move in the direction away from the installation position of the ball body in the valve cavity. This setting mode is through the tight assembly of bloated tight subassembly in the spring holder to form the assembly, and by the assembly of drive assembly drive valve intracavity, move in the valve pocket with the drive spring holder, thereby form the spheroidal accommodation space of mountable in the valve pocket, it can not cause the destruction to the valve body in valve assembling process.
Description
Technical Field
The utility model relates to a valve assembly technical field, concretely relates to ball valve assembly fixture.
Background
During ball valve assembly, need put down the spheroid from the valve body trompil department, because of receiving the disk seat restriction, can't directly put into in the valve body, need rely on the frock to give up partial distance with the disk seat this moment, consequently often need design specific frock.
In order to realize valve seat concession for assembling a ball valve, Chinese patent (CN208034570U) discloses a tool structure for conveniently mounting and dismounting a ball body of an upper-mounted ball valve, which comprises a cam disc, a stud, a limiting fixing plate and a crowbar, wherein the cam disc and the crowbar form a crowbar tool; the limiting fixing plate is fixed on the valve body through a stud and fixes the position of the valve seat; a threaded hole is formed above the ball body, and the cam disc is matched with the threaded hole to play a role in expanding the valve seats on the two sides; when the valve seat moves to a proper distance, the limiting fixing plate is inserted into the groove at the upper part of the valve seat, the plate is fixed on the valve body by the stud, the valve seat is limited at the moment, the pry bar can be removed and kept at the position, and the ball body can be installed into the valve body. But this frock structure realizes its displacement with the spring holder of crowbar butt valve body, and it is at sled in-process, and one of them fulcrum is located valve body upper portion, because the atress of this fulcrum, easily causes the valve body damaged.
In addition, chinese patent (CN203131103U) discloses an online dismounting structure of a top-mounted fixed ball valve, which further includes a valve seat spring disposed in the valve body, wherein one end of the valve seat spring abuts against one end of the valve seat, the other end of the valve seat spring abuts against the valve body, and the valve ball is disposed at the other end of the valve seat; a plurality of taper threads are arranged on the valve body), a disassembly and assembly tool for promoting the valve seat to move is arranged in the taper thread hole, and the aim of disassembling and assembling the ball body is achieved by screwing in or screwing out the disassembly and assembly tool and compressing or releasing the valve seat spring in the prior art. However, the arrangement of the taper threaded hole destroys the sealing property of the valve body, and the valve body is easy to leak.
SUMMERY OF THE UTILITY MODEL
Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art ball valve assembly fixture and easily causing the defect of destruction to the valve body to a stable ball valve assembly fixture is provided.
In order to solve the technical problem, the utility model discloses a technical scheme as follows:
the utility model provides a ball valve assembly fixture, its spring holder cooperation in with the ball valve body to the assembly spheroid, a serial communication port, include:
the expansion assembly comprises a conical inner bushing and an expansion sleeve sleeved on the conical inner bushing, the inner surface of the expansion sleeve is matched with the outer wall of the conical inner bushing, and the expansion assembly is suitable for being assembled in the spring seat and expands with the spring seat to form a combined body;
the driving assembly is suitable for extending into a valve cavity of the ball valve body, is detachably connected with the conical inner bushing mounted on the assembly in the valve cavity, and is used for driving the conical inner bushing to move along the expansion direction or the expansion releasing direction, and when the conical inner bushing moves along the expansion direction, the conical inner bushing drives the expansion bushing and the spring seat to integrally move along the direction far away from the installation position of the ball body.
The inner wall of the conical inner bushing is provided with internal threads;
the drive assembly includes: a screw; a base plate member through which the screw passes and screw-engaged with the screw; the conical inner bushing is coaxially and threadedly mounted at the tail part of the screw; and the large diameter end of the conical inner bushing faces the tail part of the screw.
The head of the screw is provided with an inner hexagonal groove. The ball valve assembling tool further comprises an inner hexagonal wrench, wherein the inner hexagonal wrench can be matched with the inner hexagonal groove; an open end wrench engageable with the nut.
The outer diameter of the base plate component is larger than the inner diameter of the end face of one end, into which the driving assembly extends, of the ball valve body. The substrate member includes: a nut engaged with the screw; and the gasket is connected with the nut, and the outer diameters of the gasket are larger than those of the nut and the sleeve. The outer diameter of the gasket is larger than the inner diameter of the end face of one end, extending into the driving assembly, of the ball valve body.
The assembly tool further comprises a sleeve, the driving assembly is connected with the expansion assembly, the sleeve is mounted on the screw and located between the base plate member and the expansion sleeve and is abutted to the base plate member and the expansion sleeve respectively before the conical inner bushing is driven to expand the inner spring seat. The outer diameter of the expansion sleeve is the same as that of the sleeve.
The utility model discloses technical scheme has following advantage:
1. the utility model provides a ball valve assembly fixture expands through the tight subassembly that expands and assembles in the spring holder to form the assembly, and by the assembly of drive assembly drive valve intracavity, remove in the valve pocket with the drive spring holder, thereby form the spheroidal accommodation space of mountable in the valve pocket. The assembling tool adopts the expansion mode to assemble the spring seat and drives the spring seat to move in the valve cavity, the structure of the valve body cannot be changed, a direct stress pivot cannot be formed on the valve body, and the defect that the valve body is easy to damage in the prior art is overcome.
2. The utility model provides a ball valve assembly fixture, which adopts a screw and a base plate component in threaded fit with the screw to drive a conical inner bushing to rotate, so as to realize the expansion assembly of an expansion sleeve on a spring seat; and the outer diameter of the base plate member is larger than the inner diameter of the end face of one end, into which the driving assembly extends, of the ball valve body, so that the spring seat can move in the valve cavity, and the ball valve assembly process is simplified.
3. The utility model provides a ball valve assembly fixture still is provided with and is located the base plate component and expands between the cover to with the base plate component with expand the sleeve pipe of cover butt, thereby conveniently expand tight subassembly and the spring holder tight formation assembly that expands.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a ball valve assembly fixture provided by the present invention;
FIG. 2 is a schematic view of a fitting structure of the ball valve assembling tool and the spring seat provided by the present invention;
fig. 3 is a schematic structural view of a ball assembly sphere provided by the present invention;
description of reference numerals:
1-an internal hexagonal wrench; 2-a gasket; 3-sleeving a pipe; 4-expanding the sleeve; 5-a conical inner liner; 6-open spanner; 7-a nut; 8-a screw; 10-a valve body; 101-a valve cavity; 102-an end face; 11-spring seats; 12-sphere.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a ball valve assembling tool, which cooperates with a spring seat 11 in a ball valve body 10 to assemble a ball 12. Ball valve assembly fixture includes:
the expansion assembly comprises a conical inner bushing 5 and an expansion sleeve 4 sleeved on the conical inner bushing 5, the inner surface of the expansion sleeve 4 is matched with the outer wall of the conical inner bushing 5, and the expansion assembly is suitable for being assembled in the spring seat 11 and expands with the spring seat 11 to form a combined body;
the driving assembly is suitable for extending into a valve cavity 101 of the ball valve body 10, is detachably connected with the conical inner bushing 5 mounted on the assembly in the valve cavity 101, and is used for driving the conical inner bushing 5 to move along the expansion direction or the expansion releasing direction, and when the conical inner bushing 5 moves along the expansion direction, the conical inner bushing 5 drives the expansion sleeve 4 and the spring seat 11 to integrally move along the direction far away from the installation position of the ball body.
The ball valve assembly fixture provided by the embodiment is assembled in the spring seat through the expansion assembly to form an assembly, and the assembly in the valve cavity is driven by the driving assembly to drive the spring seat to move in the valve cavity, so that a containing space capable of being provided with a ball body is formed in the valve cavity. The assembling tool adopts the expansion mode to assemble the spring seat and drive the spring seat to move in the valve cavity, the structure of the valve body cannot be changed, and a direct stress fulcrum cannot be formed on the valve body, so that the defect that the valve body is easy to damage in the prior art is overcome, and the expansion assembly and the driving assembly are portable.
Furthermore, the inner wall of the conical inner bushing 5 is provided with internal threads; the drive assembly includes: a screw 8; a base plate member through which the screw 8 passes and which is screw-fitted to the screw 8; the conical inner bushing 5 is coaxially and threadedly mounted at the tail part of the screw 8; and the large diameter end of the tapered inner bushing 5 faces the tail of the screw 8.
The screw and the base plate component matched with the screw thread are adopted to drive the conical inner bushing 5 to rotate, so that the expansion sleeve 5 is driven to expand by the screw thread. When the expansion sleeve 5 is assembled in the spring seat 11, the expansion of the expansion sleeve 5 can be used for expansion assembly of the spring seat 11, and stable fixation of the spring seat 11 is realized.
Alternatively, the tapered inner bushing 5 may be integrally connected to the screw 8, and by this arrangement, the screw 8 may rotationally connect the tapered inner bushing 5 and the expansion sleeve 4 to tension the spring seat 11. The conical inner bushing 5 is integrally connected with the screw 8 and can be applied to a ball valve spring seat with a small aperture so as to ensure the connection strength of the conical inner bushing and the screw.
In order to conveniently form a combined body by expanding the expansion assembly and the spring seat 11, the assembly tool can further comprise a sleeve 3. Before the driving assembly is connected with the expansion assembly to drive the conical inner bushing 5 to expand the inner spring seat 11, the sleeve 3 is mounted on the screw 8, is positioned between the base plate member and the expansion sleeve 4, and is abutted against the base plate member and the expansion sleeve 4 respectively.
The sleeve 3 is respectively abutted against the base plate member and the expansion sleeve 4, so that when the drive assembly drives the conical inner bushing 5 to rotate and generate displacement, the synchronous displacement of the expansion sleeve 4 is limited, the conical inner bushing 5 and the expansion sleeve 4 are ensured to generate relative displacement, and the expansion sleeve 4 is forced to expand. Wherein, the conical inner bushing 5 can extend into the inner hole of the sleeve 3 to ensure that the conical inner bushing 5 can move to expand the expanding sleeve. Preferably, the expansion sleeve 4 has the same outer diameter as the casing 3, which ensures a stable expansion of the expansion sleeve 4.
However, the present invention is not limited thereto, and in order to limit the synchronous displacement of the expansion sleeve 4 and the conical inner bushing 5, the sleeve 3 may also be a plate material which is connected to the base plate member and the expansion sleeve 4.
In the ball valve assembling tool provided by this embodiment, the outer diameter of the substrate member is larger than the inner diameter of the end surface 102 of the ball valve body 10, into which the driving assembly extends. Through the arrangement mode, the substrate component can be ensured to be abutted against the end face 102 of the end, into which the driving component extends, so that the component in the valve cavity can be conveniently driven.
The substrate member includes: a nut 7 cooperating with said screw 8; and the gasket 2 is connected with the nut 7, and the outer diameter of the gasket is larger than that of the nut 7 and that of the sleeve 3. The outer diameter of the gasket 2 is larger than the inner diameter of the end face 102 of the ball valve body 10 into which the driving assembly extends. When the screw is driven to rotate, the rotation of the screw can be converted into the axial displacement of the screw in a mode of limiting the movement of the nut, and the gasket 2 with the outer diameter larger than the outer diameters of the nut 7 and the sleeve 3 is matched, so that the assembly in the valve cavity can be further conveniently driven. However, the present invention is not limited thereto, and the base plate member may be a spacer having a threaded through hole in the middle, and the outer diameter of the spacer is larger than that of the sleeve 3.
Preferably, the head of the screw 8 is provided with an inner hexagonal groove. The ball valve assembling tool further comprises an inner hexagonal wrench 1 which can be matched with the inner hexagonal groove; and an open spanner 6 which can be engaged with said nut 7. The socket wrench 1 rotationally drives the screw 8, and the open end wrench 6 restricts rotation of the nut 7, thereby converting the rotation into displacement of the screw 8 in the axial direction. The setting mode further improves the portability of the ball valve assembling tool.
Example 2
The embodiment provides a ball valve assembly process, adopts the ball valve assembly fixture of embodiment 1, includes following step:
placing an expansion assembly consisting of an expansion sleeve 4 and a conical inner bushing 5 into a spring seat 11, and expanding the expansion assembly with the spring seat 11 to form a combined body;
putting the combination into a valve cavity 101 of a ball valve body 10;
one end of a driving component extends into the valve cavity 101 and is connected with the conical inner bushing 5 on the assembly, the conical inner bushing 5 is driven to move towards an expansion direction, and the expansion direction is consistent with a direction far away from the installation position of the ball body;
placing the ball 12 into the valve cavity 101;
the driving assembly drives the conical inner bushing 5 to move towards the direction of relieving the expansion force, so that the spring seat 11 is separated from the expansion assembly and is abutted against the ball 12;
the driving assembly and the expansion assembly are taken out of the valve cavity 101.
The ball valve assembly process provided by the embodiment comprises the steps that the expansion assembly is assembled in the spring seat in an expansion mode to form an assembly, the assembly in the valve cavity is driven by the driving assembly to drive the spring seat to move in the valve cavity, and therefore the containing space capable of being provided with a ball body is formed in the valve cavity. The assembly process adopts the expansion mode to assemble the spring seat and drives the spring seat to move in the valve cavity, the structure of the valve body cannot be changed, a direct stress fulcrum cannot be formed on the valve body, and the defect that the valve body is easy to damage in the prior art is overcome.
The tight subassembly that expands through drive assembly and sleeve pipe cooperation in spring holder 11, includes: placing the nested conical inner bushing 5 and the nested expansion sleeve 4 into the spring seat 11, and rotating the screw 8 to expand the spring seat 11; the screw 8 is unscrewed from the inner bush 5 to obtain a combination of the spring seat 11, the expansion bush 4, and the inner bush 5. The sleeve is respectively abutted against the substrate member and the expansion sleeve, so that when the drive assembly drives the conical inner bushing 5 to rotate and generate displacement, the synchronous displacement of the expansion sleeve is limited, the conical inner bushing and the expansion sleeve 4 are ensured to generate relative displacement, and the expansion sleeve is forced to expand.
After the assembly is placed in the valve cavity, a screw 8 with a base plate member is screwed into the inner liner 5 from an end surface 102 of the ball valve body 10, the base plate member abutting against the end surface 102; the base member may include a nut 7 engaged with the screw 8, and a washer engaged with the nut 7. The base plate member or the nut 7 is rotated while the screw 8 is kept stationary, so that the above-described assembly moves toward the end surface 102, and a ball housing space is formed in the valve chamber 101. The base plate component is abutted to the end face, so that the base plate component can be abutted to the end face, extending into the drive assembly, of the end face, and the assembly in the valve cavity can be conveniently driven.
Further, the step of releasing the expansion force comprises: rotating the base member or nut 7 to disengage the end face 102 of the ball valve body 10; and providing an acting force extending from the head part to the tail part of the screw 8 to enable the inner bushing 5 to move relative to the expansion sleeve 4, and unloading the expansion force of the inner bushing and the expansion sleeve, so that the driving assembly and the expansion assembly can be conveniently taken out from the valve cavity.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (9)
1. The utility model provides a ball valve assembly fixture, its spring holder (11) cooperation in with ball valve body (10) to assembly spheroid (12), its characterized in that includes:
the expansion assembly comprises a conical inner bushing (5) and an expansion sleeve (4) sleeved on the conical inner bushing (5), the inner surface of the expansion sleeve (4) is matched with the outer wall of the conical inner bushing (5), and the expansion assembly is suitable for being assembled in the spring seat (11) and expands with the spring seat (11) to form a combined body;
the driving assembly is suitable for extending into a valve cavity (101) of the ball valve body (10), is detachably connected with the conical inner bushing (5) installed on the assembly in the valve cavity (101), and is used for driving the conical inner bushing (5) to move along the expansion direction or the expansion releasing direction, and when the conical inner bushing (5) moves along the expansion direction, the conical inner bushing (5) drives the expansion sleeve (4) and the spring seat (11) to integrally move along the direction far away from the installation position of the ball body.
2. The ball valve assembling tool according to claim 1,
the inner wall of the conical inner bushing (5) is provided with internal threads;
the drive assembly includes:
a screw (8);
a base plate member through which the screw (8) passes and which is screw-fitted with the screw (8);
the conical inner bushing (5) is coaxially and threadedly mounted at the tail part of the screw (8); and the large diameter end of the conical inner bushing (5) faces the tail of the screw (8).
3. The ball valve assembling tool according to claim 2, further comprising a sleeve (3), wherein the driving assembly is connected with the expansion assembly, and before the conical inner bushing (5) is driven to expand the spring seat (11), the sleeve (3) is mounted on the screw (8), is located between the base plate member and the expansion sleeve (4), and abuts against the base plate member and the expansion sleeve (4) respectively.
4. The ball valve assembling tool according to claim 3, wherein the expansion sleeve (4) and the sleeve (3) have the same outer diameter.
5. The ball valve assembly tooling of claim 2, wherein the base plate member outer diameter is larger than the inner diameter of an end face (102) of the ball valve body (10) into which the drive assembly extends.
6. The ball valve assembly tooling of claim 3, wherein the base plate member comprises:
a nut (7) cooperating with said screw (8);
the gasket (2) is connected with the nut (7), and the outer diameters of the gasket are larger than those of the nut (7) and the sleeve (3).
7. The ball valve assembling tool according to claim 6, wherein the outer diameter of the gasket (2) is larger than the inner diameter of an end face (102) of one end of the ball valve body (10) into which the driving assembly extends.
8. The ball valve assembling tool according to claim 6, wherein the head of the screw (8) is provided with an inner hexagonal groove.
9. The ball valve assembly tooling of claim 8, further comprising,
the inner hexagonal wrench (1) can be matched with the inner hexagonal groove;
an open end wrench (6) which can be engaged with the nut (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920170328.6U CN209887023U (en) | 2019-01-30 | 2019-01-30 | Ball valve assembly fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920170328.6U CN209887023U (en) | 2019-01-30 | 2019-01-30 | Ball valve assembly fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209887023U true CN209887023U (en) | 2020-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920170328.6U Active CN209887023U (en) | 2019-01-30 | 2019-01-30 | Ball valve assembly fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209887023U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732301A (en) * | 2019-01-30 | 2019-05-10 | 苏州纽威阀门股份有限公司 | A kind of ball valve assembly tooling and assembly technology |
| CN113369839A (en) * | 2021-05-27 | 2021-09-10 | 成都飞机工业（集团）有限责任公司 | High-precision bushing assembling and centering device and bushing centering and assembling method |
-
2019
- 2019-01-30 CN CN201920170328.6U patent/CN209887023U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109732301A (en) * | 2019-01-30 | 2019-05-10 | 苏州纽威阀门股份有限公司 | A kind of ball valve assembly tooling and assembly technology |
| CN113369839A (en) * | 2021-05-27 | 2021-09-10 | 成都飞机工业（集团）有限责任公司 | High-precision bushing assembling and centering device and bushing centering and assembling method |
| CN113369839B (en) * | 2021-05-27 | 2022-04-08 | 成都飞机工业（集团）有限责任公司 | High-precision bushing assembling and centering device and bushing centering and assembling method |
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