CN214352158U - Sleeve dismounting tool with screw hole - Google Patents
Sleeve dismounting tool with screw hole Download PDFInfo
- Publication number
- CN214352158U CN214352158U CN202120299481.6U CN202120299481U CN214352158U CN 214352158 U CN214352158 U CN 214352158U CN 202120299481 U CN202120299481 U CN 202120299481U CN 214352158 U CN214352158 U CN 214352158U
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- Prior art keywords
- sleeve
- screw
- double
- nut
- disc
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 6
- 230000006378 damage Effects 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 230000007797 corrosion Effects 0.000 abstract description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000001771 impaired effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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Abstract
The utility model discloses a sleeve disassembling tool with screw holes, which comprises a disc, at least two inner screw rod external members and at least two outer screw rod external members; at least two grooves are arranged on the disc; the middle part of the disc is provided with a central hole for the valve rod to pass through; the inner screw sleeve comprises a first double-headed screw and a first nut; the outer screw sleeve comprises a second double-headed screw and a second nut; a groove cooperating with an inner screw sleeve and an outer screw sleeve; threaded hole sleeve assembly and disassembly tools simple structure in this application, it is convenient to install, low cost, and the suitability is strong, and is narrow and small to interference fit, dismouting space to and the sleeve dismouting that leads to the dismouting degree of difficulty to be big because of corrosion and incrustation scale etc. has better help, and the dismouting in-process sleeve atress is even, can prevent effectively that sleeve deformation damage and sealing member destruction, protective sleeve and sleeve base that sleeve dismouting in-process barbaric construction caused.
Description
Technical Field
The utility model relates to a sleeve dismouting technical field especially relates to a take screw sleeve assembly and disassembly tools.
Background
The sleeve has wide application in various industries, and in the mechanical industry, the sleeve is often used for matching between a fixed part and a moving part to play a role in resisting abrasion and sealing.
As shown in fig. 1, which is a schematic view of the structure and installation position of a needle valve sleeve, the sleeve 3 is installed between a valve seat 4 and a valve rod 5, pressure oil of a valve rod operating piston is arranged above the sleeve, water is arranged below the sleeve, four sealing rings 2 and two sealing rings 2 are respectively arranged on the inner side and the outer side of the sleeve to prevent the oil and the water from leaking mutually, and a water drainage hole 1 is arranged in the middle to drain the water which seeps through the sealing rings so as to drain water flow pressure and prevent the pressure oil from entering the upper part of the sleeve to cause oil-water mixing and damage the oil quality. The valve rod moves up and down under the action of pressure oil to open and close the valve. The reason for sleeve dismouting: after the valve rod up-and-down motion many times, the sleeve is inboard sealed easy impaired, causes sealed not tight, through pressure and the flow of observing sleeve drain pipe drainage, can judge the inboard sealed effect of sleeve, and the reply sleeve is dismantled when sealed effect is not good, inspects the impaired condition of valve rod, sleeve and sealing washer.
The difficulty that the sleeve dismouting exists among the prior art: because hydroelectric set power generation task is heavy, it is tight to handle needle type valve seal time limit for a project, can not carry out whole disintegration to the needle type valve, need not dismantle under the condition of needle type valve body, through demolising needle type valve upper portion spare part, extract the sleeve from upper portion, the fit clearance between sleeve and needle type valve disk seat (being the sleeve base) and the valve rod is less, there are impurity such as incrustation scale and filth between the clearance after the long-time operation, in addition the needle type valve structure causes the sleeve can't strike from the lower part and withdraw from, cause the unusual difficulty of sleeve dismouting, seriously restrict seal treatment time limit for a project, can cause the influence even to the power generation task.
Therefore, it is necessary to develop a tool for disassembling and assembling a socket with a threaded hole to solve the above problems.
Disclosure of Invention
The utility model aims at solving the problem that the screw sleeve dismounting tool is designed.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a take screw sleeve assembly and disassembly tools, includes:
a disc; at least two grooves are arranged on the disc; the middle part of the disc is provided with a central hole for the valve rod to pass through;
at least two internal screw assemblies; the inner screw sleeve comprises a first double-headed screw and a first nut;
at least two outer screw sets; the outer screw sleeve comprises a second double-headed screw and a second nut; a groove cooperating with an inner screw sleeve and an outer screw sleeve;
when the sleeve is disassembled, the first end of the first double-head screw is in threaded connection with a screw hole at the end part of the sleeve, the second end of the first double-head screw passes through the groove, the first nut is in threaded connection with the second end of the first double-head screw, and the first nut is positioned on one surface, far away from the sleeve, of the disc; the first end of the second double-head screw is in threaded connection with the end screw hole of the valve seat, the second end of the second double-head screw passes through the groove, the second nut is in threaded connection with the second end of the second double-head screw, and the second nut is positioned on one surface, close to the sleeve, of the disc;
when the sleeve is installed, a first end of the first double-head screw is in threaded connection with a screw hole at the end part of the sleeve, a second end of the first double-head screw penetrates through the groove, a first nut is in threaded connection with the second end of the first double-head screw, and the first nut is positioned on one surface, close to the sleeve, of the disc; the first end of the second double-threaded screw is in threaded connection with the end screw hole of the valve seat, the second end of the second double-threaded screw penetrates through the groove, the second nut is in threaded connection with the second end of the second double-threaded screw, and the second nut is located on the side, far away from the sleeve, of the disc.
Preferably, a gasket is arranged between the first nut and the disk and between the second nut and the disk.
Preferably, at least three grooves are formed in the disc and are uniformly distributed on the disc, the at least three grooves are all formed into long strips, and the at least three grooves are all radially distributed on the disc; the internal screw rod external member, the external screw rod external member are all three at least.
The beneficial effects of the utility model reside in that:
threaded hole sleeve assembly and disassembly tools simple structure in this application, it is convenient to install, low cost, and the suitability is strong, and is narrow and small to interference fit, dismouting space to and the sleeve dismouting that leads to the dismouting degree of difficulty to be big because of corrosion and incrustation scale etc. has better help, and the dismouting in-process sleeve atress is even, can prevent effectively that sleeve deformation damage and sealing member destruction, protective sleeve and sleeve base that sleeve dismouting in-process barbaric construction caused.
Drawings
FIG. 1 is a schematic view of a needle valve sleeve structure mounting structure;
FIG. 2 is a first structural diagram of the present application when installing a sleeve;
FIG. 3 is a second structural view of the present application when installing a sleeve;
FIG. 4 is a first structural view of the present application when the sleeve is removed;
FIG. 5 is a second structural view of the present application when the sleeve is removed;
FIG. 6 is a schematic structural view of the outer screw assembly;
FIG. 7 is a schematic structural view of an inner screw sleeve;
the attached drawings are as follows: 1-a drain hole; 2-sealing ring; 3-a sleeve; 4-valve seat; 5-valve stem; 6-disc; 71-a first groove; 72-a second groove; 8-a central hole; 9-external screw rod external member; 91-a second double-ended screw; 92-a second nut; 93-a gasket; 10-an internal screw assembly; 101-a first double-ended screw; 102-first nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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 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, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description of the present invention and simplifying the description, but do not indicate or imply that the device or element that is referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
As shown in fig. 2-7, a tool for disassembling and assembling a sleeve with a threaded hole comprises:
a disc 6; at least two grooves are arranged on the disc 6; the middle part of the disc 6 is provided with a central hole 8 for the valve rod to pass through;
at least two internal screw assemblies 10; the inner screw assembly 10 comprises a first stud 101 and a first nut 102;
at least two external screw rods 9; the outer screw member 9 includes a second double-headed screw 91 and a second nut 92; one groove cooperates with one inner screw set 10 and one outer screw set 9;
when the sleeve is disassembled, the first end of the first double-head screw 101 is in threaded connection with a screw hole at the end part of the sleeve, the second end of the first double-head screw 101 passes through the groove, the first nut 102 is in threaded connection with the second end of the first double-head screw 101, and the first nut 102 is positioned on one surface, far away from the sleeve, of the disc 6; a first end of the second stud 91 is in threaded connection with a threaded hole at the end of the valve seat, a second end of the second stud 91 passes through the groove, a second nut 92 is in threaded connection with a second end of the second stud 91, and the second nut 92 is positioned on one surface, close to the sleeve, of the disc 6;
when the sleeve is installed, a first end of the first double-head screw 101 is in threaded connection with a screw hole at the end part of the sleeve, a second end of the first double-head screw 101 penetrates through the groove, a first nut 102 is in threaded connection with a second end of the first double-head screw 101, and the first nut 102 is positioned on one surface, close to the sleeve, of the disc 6; the first end of second stud 91 and the tip screw threaded connection of valve seat, the second end of second stud 91 passes through the groove setting, second nut 92 and the second end threaded connection of second stud 91, second nut 92 is located the one side of keeping away from the sleeve of disc 6.
As shown in fig. 2 to 5, a washer 93 is provided between the first nut 102 and the disk 6 and between the second nut 92 and the disk 6. Since the diameter of the second stud 91 is sometimes smaller than the diameter of the first stud 101, the second nut 92 does not fit well into the groove, so that the washer 93 is needed; and set up gasket 93 and can increase the effect area of nut to disc 6's power, increase frictional force for connect more firmly.
Preferably, at least three grooves are arranged on the disc 6, the at least three grooves are uniformly distributed on the disc 6, the at least three grooves are all formed into long strips, and the at least three grooves are all radially distributed on the disc 6; the number of the inner screw sleeve 10 and the number of the outer screw sleeve 9 are at least three.
As shown in fig. 2-5, in some embodiments, the grooves include a first groove 71 and a second groove 72, the first groove 71 is generally used for installing the outer screw sleeve 9, the second groove 72 is generally used for installing the inner screw sleeve 10, in some special cases, in order to reduce the grooving on the disc 6, one groove can be shared by the outer screw sleeve 9 and the inner screw sleeve 10, as shown in fig. 2-5, the first grooves 71 are four, the second grooves 72 are two, one first groove 71 is shared by the inner screw sleeve 10 and the outer screw sleeve 9, the other three first grooves 71 are shared by the outer screw sleeve 9, the other two third grooves are shared by the inner screw sleeve 10, wherein the four first grooves 71 are uniformly distributed on the disc 6, and the included angle between the two adjacent first grooves 71 is 90 °, wherein the shared one first groove 71 and the other two second grooves 72 are uniformly distributed on the disc 6, and the included angle between two adjacent second grooves 72 is 120 degrees. The inner screw assembly 10 is placed at the inner end of the second slot 72, and at the inner end of the common first slot 71; the outer screw sleeve 9 is arranged at the outer side end of the first groove 71; the number and position of the specific grooves are determined according to the number and position of the screw holes on the sleeve and the valve seat, and the number and position of the inner screw sleeve 10 and the outer screw sleeve 9.
As shown in fig. 2 and 3, the installation of the sleeve process: according to the number and the aperture of the sleeve threaded holes, selecting the inner screw sleeve 10 with corresponding specification and number, connecting any one end of a first stud 101 of the inner screw sleeve 10 with the sleeve threaded holes, sequentially placing a first nut 102 and a gasket 93 at the other end from bottom to top (the number and the specification of the gasket 93 can be selected according to the situation), and enabling the first stud 101 to penetrate through a groove for horizontally placing the disc 6; according to the number and the aperture of the threaded holes of the sleeve base, the outer screw rod external member 9 with corresponding specification and number is selected, any end of a second double-thread screw rod 91 of the outer screw rod external member 9 penetrates through the groove of the disc 6 and is connected with the threaded holes of the sleeve base, a gasket 93 (the quantity and the specification of the gasket 93 can be selected according to the situation) and a second nut 92 are sequentially placed on the upper side of the disc 6 at the other end, and the sleeve is pressed into the sleeve base by rotating the second nut 92 downwards.
As shown in fig. 4 and 5, the sleeve removal process: according to the number and the aperture of the threaded holes of the sleeve base, the outer screw rod suite 9 with corresponding specification and number is selected, any one end of a second stud screw rod 91 of the outer screw rod suite 9 is connected with the threaded holes of the sleeve base, a second nut 92 and a gasket 93 (the number and the specification of the gasket 93 can be selected according to the situation) are sequentially arranged at the other end of the second stud screw rod 91 from bottom to top, and the second stud screw rod 91 penetrates through the groove of the horizontally-arranged disc 6; according to the number and the aperture of the threaded holes of the sleeve, the inner screw sleeve 10 with corresponding specification and number is selected, any end of a first double-head screw 101 of the inner screw sleeve 10 penetrates through a groove of the disc 6 and is connected with the threaded holes of the sleeve, a gasket 93 (the number and the specification of the gasket 93 can be selected according to the situation) and a first nut 102 are sequentially placed at the other end of the first double-head screw on the upper side of the disc 6, and the sleeve is pulled out from the sleeve base by upwards rotating a second nut 92. Instead of the external screw member 9, a plurality of jacks may be provided between the disc 6 and the socket base to pull out the socket.
The technical scheme of the utility model is not limited to the restriction of above-mentioned specific embodiment, all according to the utility model discloses a technical scheme makes technical deformation, all falls into within the protection scope of the utility model.
Claims (3)
1. The utility model provides a take screw sleeve assembly and disassembly tools which characterized in that includes:
a disc; at least two grooves are arranged on the disc; the middle part of the disc is provided with a central hole for the valve rod to pass through;
at least two internal screw assemblies; the inner screw sleeve comprises a first double-headed screw and a first nut;
at least two outer screw sets; the outer screw sleeve comprises a second double-headed screw and a second nut; a groove cooperating with an inner screw sleeve and an outer screw sleeve;
when the sleeve is disassembled, the first end of the first double-head screw is in threaded connection with a screw hole at the end part of the sleeve, the second end of the first double-head screw passes through the groove, the first nut is in threaded connection with the second end of the first double-head screw, and the first nut is positioned on one surface, far away from the sleeve, of the disc; the first end of the second double-head screw is in threaded connection with the end screw hole of the valve seat, the second end of the second double-head screw passes through the groove, the second nut is in threaded connection with the second end of the second double-head screw, and the second nut is positioned on one surface, close to the sleeve, of the disc;
when the sleeve is installed, a first end of the first double-head screw is in threaded connection with a screw hole at the end part of the sleeve, a second end of the first double-head screw penetrates through the groove, a first nut is in threaded connection with the second end of the first double-head screw, and the first nut is positioned on one surface, close to the sleeve, of the disc; the first end of the second double-threaded screw is in threaded connection with the end screw hole of the valve seat, the second end of the second double-threaded screw penetrates through the groove, the second nut is in threaded connection with the second end of the second double-threaded screw, and the second nut is located on the side, far away from the sleeve, of the disc.
2. The tool for disassembling and assembling a socket with a screw hole of claim 1, wherein a gasket is disposed between the first nut and the disk and between the second nut and the disk.
3. The tool for disassembling and assembling a socket with a screw hole according to claim 1, wherein the disc is provided with at least three grooves, the at least three grooves are uniformly distributed on the disc, the at least three grooves are all formed into long strips, and the at least three grooves are all radially distributed on the disc; the internal screw rod external member, the external screw rod external member are all three at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120299481.6U CN214352158U (en) | 2021-02-02 | 2021-02-02 | Sleeve dismounting tool with screw hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120299481.6U CN214352158U (en) | 2021-02-02 | 2021-02-02 | Sleeve dismounting tool with screw hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214352158U true CN214352158U (en) | 2021-10-08 |
Family
ID=77963632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120299481.6U Withdrawn - After Issue CN214352158U (en) | 2021-02-02 | 2021-02-02 | Sleeve dismounting tool with screw hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214352158U (en) |
-
2021
- 2021-02-02 CN CN202120299481.6U patent/CN214352158U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211008 Effective date of abandoning: 20231128 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211008 Effective date of abandoning: 20231128 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |