CN216590043U - Plug valve assembly with positioning structure for preventing bolt head from rotating - Google Patents
Plug valve assembly with positioning structure for preventing bolt head from rotating Download PDFInfo
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- CN216590043U CN216590043U CN202123143291.4U CN202123143291U CN216590043U CN 216590043 U CN216590043 U CN 216590043U CN 202123143291 U CN202123143291 U CN 202123143291U CN 216590043 U CN216590043 U CN 216590043U
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- bolt head
- positioning
- valve body
- valve assembly
- connecting piece
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Abstract
The utility model discloses a plug valve assembly with a positioning structure for preventing a bolt head from rotating, which comprises a valve body, wherein a valve rod and a positioning connecting piece are arranged at the end part of the valve body, the valve rod is arranged in the positioning connecting piece, and the positioning connecting piece is used for fixing the valve body on a panel. According to the utility model, the positioning connecting piece is arranged at the end part of the valve body, the valve body is fixed on the panel through the positioning connecting piece, and the positioning connecting piece is arranged, so that the phenomenon that the valve body is fixed on the panel and becomes loose is avoided, and meanwhile, the phenomenon that the valve body deforms due to overlarge compression amount during fixing is avoided.
Description
Technical Field
The utility model belongs to the technical field of valve body equipment, and particularly relates to a plug valve assembly with a positioning structure, which prevents a bolt head from rotating.
Background
The plug valve is a fast-switching straight-through valve, which can be used for medium with suspended particles because the movement between rotary sealing surfaces has a wiping action and can completely prevent the contact with flowing medium when the valve is fully opened. Another important feature is that it is easily adaptable to a multi-channel configuration so that two, three or even four different flow paths can be obtained for a valve. This simplifies the piping design, reduces the amount of valves and the number of connection fittings required in the device.
The plug valve is fixed on the panel through the cooperation of bolt and nut, and present plug valve outband helicitic texture closing device all compresses tightly by the face, and each part has machining error big, and the not tight phenomenon of pressure can appear in the amount of compression undersize, can appear the bolt rotation when the nut is taut, and the influence is fixed, and the amount of compression too big can cause the fixed plate to warp, influences outward appearance and feels.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems in the prior art and provides a plug valve assembly with a positioning structure, wherein a bolt head is prevented from rotating.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a prevent that bolt head pivoted takes location structure plug valve assembly, includes the valve body, its characterized in that: the end of the valve body is provided with a valve rod and a positioning connecting piece, the valve rod is arranged in the positioning connecting piece, and the positioning connecting piece is used for fixing the valve body on the panel. According to the utility model, the positioning connecting piece is arranged at the end part of the valve body, the valve body is fixed on the panel through the positioning connecting piece, and the positioning connecting piece is arranged, so that the phenomenon that the valve body is fixed on the panel and becomes loose is avoided, and meanwhile, the phenomenon that the valve body deforms due to overlarge compression amount during fixing is avoided.
Furthermore, the positioning connecting piece comprises a bolt head and a pressing plate, the bolt head is sleeved on the outer side of the valve rod, the pressing plate is provided with a positioning hole, one end of the bolt head penetrates through the positioning hole, and the pressing plate fixes the bolt head on the valve body. The bolt head is sleeved on the outer side of the valve body, meanwhile, the bottom of the bolt head abuts against the end portion of the valve body, then the pressing plate is pressed downwards, and the valve rod and one end of the bolt head penetrate through the positioning hole, so that the pressing plate presses the bottom of the bolt head on the valve body tightly, and the bolt head is fixed.
Further, the bolt head includes spacing portion and screw thread portion, and spacing portion is located the bottom of screw thread portion, and the diameter of spacing portion is greater than the diameter of screw thread portion. The arrangement of the limiting part realizes that the pressing plate is tightly pressed on the limiting part, so that the bolt head is fixed on the valve body.
Further, the locating hole includes spacing section and locating segment, and the internal diameter of spacing section is greater than the internal diameter of locating segment, and locating segment and screw thread portion match, spacing section and spacing portion match. Through the arrangement of the positioning section and the limiting section, the bolt head penetrates through the positioning hole, meanwhile, the limiting section can play a limiting role in the limiting part, the contact area between the pressing plate and the bolt head is increased, and the stability of connection between the bolt head and the pressing plate is increased.
Furthermore, the screw thread portion is provided with a positioning surface, the positioning section is correspondingly provided with a clamping surface, and the clamping surface is tightly attached to the positioning surface to prevent the bolt head from rotating. The contact area between the pressure plate and the bolt head is increased due to the arrangement of the positioning plate and the clamping surface, so that the stability of connection between the bolt head and the pressure plate is increased, meanwhile, the bolt head cannot rotate due to the arrangement of the positioning surface, the rotation of the bolt head is avoided while the nut can rotate on the bolt head, and therefore the valve body can be fixed on the panel through the bolt head and the nut.
Further, the locating surface is symmetrically arranged on the threaded part. The symmetrical arrangement of the positioning surfaces increases the contact area between the pressing plate and the bolt head, thereby increasing the stability of connection between the bolt head and the pressing plate and ensuring the uniform stress and force application between the pressing plate and the bolt head.
Furthermore, the limiting part and the thread part are of an integrally formed structure. The processing and the manufacturing of the bolt head are convenient, and the structural strength of the bolt head is ensured.
Furthermore, the end part of the valve body is provided with a fixing plate, the fixing plate is provided with a bulge, and the bulge is inserted into the bottom of the bolt head. The contact area between the bolt head and the fixing plate is increased due to the convex arrangement, so that the connection stability between the bolt head and the fixing plate is increased, and meanwhile, the convex arrangement plays a role in quickly positioning the fixed installation of the bolt head.
Furthermore, the pressing plate is provided with a fixing hole, a fastening screw is screwed into the fixing hole, and the fastening screw is screwed on the fixing plate. The pressure plate is fixed to the fixing plate by screwing the fastening screw into the fixing hole.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects:
according to the utility model, the positioning connecting piece is arranged at the end part of the valve body, the valve body is fixed on the panel through the positioning connecting piece, and the positioning connecting piece is arranged, so that the phenomenon that the valve body is fixed on the panel and becomes loose is avoided, and meanwhile, the phenomenon that the valve body deforms due to overlarge compression amount during fixing is avoided.
The positioning connecting piece comprises a bolt head and a pressing plate, the bolt head is sleeved on the outer side of the valve rod, the pressing plate is provided with a positioning hole, one end of the bolt head penetrates through the positioning hole, and the pressing plate fixes the bolt head on the valve body. The bolt head is sleeved on the outer side of the valve body, meanwhile, the bottom of the bolt head abuts against the end portion of the valve body, then the pressing plate is pressed downwards, and the valve rod and one end of the bolt head penetrate through the positioning hole, so that the pressing plate presses the bottom of the bolt head on the valve body tightly, and the bolt head is fixed.
According to the utility model, the threaded part is provided with the positioning surface, the positioning section is correspondingly provided with the clamping surface, and the clamping surface is tightly attached to the positioning surface to prevent the bolt head from rotating. The contact area between the pressing plate and the bolt head is increased due to the arrangement of the positioning plate and the clamping face, so that the stability of connection between the bolt head and the pressing plate is increased, meanwhile, the bolt head cannot rotate due to the arrangement of the positioning face, the nut is prevented from rotating when the bolt head can rotate, and the valve body can be fixed on the panel through the bolt head and the nut.
Drawings
The utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of a plug valve assembly with a positioning structure for preventing rotation of a bolt head according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the structure of the pressing plate of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 3;
fig. 5 is a schematic structural view of a bolt head according to the present invention;
FIG. 6 is a cross-sectional view taken along line C-C of FIG. 5;
fig. 7 is a schematic structural view of a fixing plate according to the present invention.
In the figure, 1-valve body; 2-a valve stem; 3-positioning the connecting piece; 4-bolt head; 5, pressing a plate; 6-positioning holes; 7-a limiting part; 8-a threaded portion; 9-a limiting section; 10-a positioning section; 11-a positioning surface; 12-a clamping surface; 13-fixing the plate; 14-a bump; 15-fixing holes; 16-fastening screws.
Detailed Description
As shown in fig. 1 to 7, a plug valve assembly with a positioning structure for preventing rotation of a bolt head according to the present invention includes a valve body 1, a valve rod 2 and a positioning connector 3 are disposed at an end of the valve body 1, the valve rod 2 is disposed in the positioning connector 3, and the positioning connector 3 is used for fixing the valve body 1 on a panel.
The positioning connecting piece 3 comprises a bolt head 4 and a pressing plate 5, the bolt head 4 is sleeved on the outer side of the valve rod 2, the pressing plate 5 is provided with a positioning hole 6, one end of the bolt head 4 penetrates through the positioning hole 6, and the pressing plate 5 fixes the bolt head 4 on the valve body 1. The bolt head 4 is sleeved on the outer side of the valve body 1, meanwhile, the bottom of the bolt head 4 abuts against the end portion of the valve body 1, then the pressing plate 5 is pressed downwards, the valve rod 2 and one end of the bolt head 4 penetrate through the positioning hole 6, and therefore the pressing plate 5 tightly presses the bottom of the bolt head 4 on the valve body 1, and the bolt head 4 is fixed.
The bolt head 4 comprises a limiting part 7 and a thread part 8, the limiting part 7 is positioned at the bottom of the thread part 8, and the diameter of the limiting part 7 is larger than that of the thread part 8. The arrangement of the limiting part 7 realizes that the pressure plate 5 is pressed on the limiting part 7, so that the bolt head 4 is fixed on the valve body 1.
The locating hole 6 comprises a limiting section 9 and a locating section 10, the inner diameter of the limiting section 9 is larger than that of the locating section 10, the locating section 10 is matched with the thread part 8, and the limiting section 9 is matched with the limiting part 7. Through the arrangement of the positioning section 10 and the limiting section 9, the bolt head 4 penetrates through the positioning hole 6, meanwhile, the limiting section 9 can play a limiting role in the limiting part 7, the contact area between the pressing plate 5 and the bolt head 4 is increased, and the connection stability between the bolt head 4 and the pressing plate 5 is increased.
The screw portion 8 is provided with a positioning surface 11, the positioning section 10 is correspondingly provided with an engaging surface 12, and the engaging surface 12 is tightly attached to the positioning surface 11 to prevent the bolt head 4 from rotating. The contact area between the pressing plate 5 and the bolt head 4 is increased due to the arrangement of the positioning plate and the clamping surface 12, so that the stability of connection between the bolt head 4 and the pressing plate 5 is increased, meanwhile, the bolt head 4 cannot rotate due to the arrangement of the positioning surface 11, the nut is prevented from rotating by the bolt head 4 when the nut can rotate on the bolt head 4, and therefore the valve body 1 can be fixed on a panel through the bolt head 4 and the nut.
The positioning surfaces 11 are symmetrically arranged on the threaded portion 8. The symmetrical arrangement of the positioning surfaces 11 increases the contact area between the pressure plate 5 and the bolt head 4, thereby increasing the stability of connection between the bolt head 4 and the pressure plate 5 and ensuring the uniform stress and force application between the pressure plate 5 and the bolt head 4.
The limiting part 7 and the thread part 8 are of an integrated structure. The processing and the manufacturing of the bolt head 4 are convenient, and the structural strength of the bolt head 4 is ensured.
The end of the valve body 1 is provided with a fixing plate 13, the fixing plate 13 is provided with a protrusion 14, and the protrusion 14 is inserted into the bottom of the bolt head 4. The arrangement of the protrusion 14 increases the contact area between the bolt head 4 and the fixing plate 13, so that the connection stability between the bolt head 4 and the fixing plate 13 is increased, and meanwhile, the arrangement of the protrusion 14 plays a role in quickly positioning the fixed installation of the bolt head 4.
The pressure plate 5 is provided with a fixing hole 15, a fastening screw 16 is screwed into the fixing hole 15, and the fastening screw 16 is screwed on the fixing plate 13. The pressure plate 5 is fixed to the fixing plate 13 by screwing the fastening screws 16 into the fixing holes 15 and into the fixing plate 13.
According to the utility model, the positioning connecting piece 3 is arranged at the end part of the valve body 1, the valve body 1 is fixed on the panel through the positioning connecting piece 3, and the positioning connecting piece 3 is arranged, so that the phenomenon that the valve body 1 is fixed on the panel and becomes loose is avoided, and the phenomenon that the valve body 1 deforms due to overlarge compression amount during fixing is avoided.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made based on the present invention to solve the same technical problems and achieve the same technical effects are within the scope of the present invention.
Claims (9)
1. The utility model provides a prevent that bolt head pivoted takes location structure plug valve assembly, includes the valve body, its characterized in that: the valve body is characterized in that a valve rod and a positioning connecting piece are arranged at the end part of the valve body, the valve rod is arranged in the positioning connecting piece, and the positioning connecting piece is used for fixing the valve body on a panel.
2. The plug valve assembly with the positioning structure for preventing the rotation of the bolt head according to claim 1, wherein: the positioning connecting piece comprises a bolt head and a pressing plate, the bolt head is sleeved on the outer side of the valve rod, the pressing plate is provided with a positioning hole, one end of the bolt head penetrates through the positioning hole, and the pressing plate is fixed to the bolt head on the valve body.
3. The plug valve assembly with the positioning structure for preventing the rotation of the bolt head according to claim 2, wherein: the bolt head comprises a limiting part and a thread part, the limiting part is positioned at the bottom of the thread part, and the diameter of the limiting part is larger than that of the thread part.
4. A plug valve assembly with retaining structure for preventing rotation of bolt head according to claim 3 wherein: the locating hole comprises a limiting section and a locating section, the inner diameter of the limiting section is larger than that of the locating section, the locating section is matched with the threaded portion, and the limiting section is matched with the limiting portion.
5. The plug valve assembly with the positioning structure for preventing the rotation of the bolt head according to claim 4, wherein: the screw thread portion is provided with a positioning surface, the positioning section is correspondingly provided with a clamping surface, and the clamping surface is tightly attached to the positioning surface to prevent the bolt head from rotating.
6. A plug valve assembly with locating structure for preventing rotation of bolt head according to claim 5 wherein: the positioning surfaces are symmetrically arranged on the threaded part.
7. The plug valve assembly with the positioning structure for preventing the rotation of the bolt head according to claim 3, wherein: the limiting part and the thread part are of an integrally formed structure.
8. The plug valve assembly with the positioning structure for preventing the rotation of the bolt head according to claim 2, wherein: the end of the valve body is provided with a fixing plate, the fixing plate is provided with a protrusion, and the protrusion is inserted into the bottom of the bolt head.
9. The plug valve assembly with the positioning structure for preventing the rotation of the bolt head according to claim 8, wherein: the pressing plate is provided with a fixing hole, a fastening screw is screwed into the fixing hole, and the fastening screw is screwed on the fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143291.4U CN216590043U (en) | 2021-12-14 | 2021-12-14 | Plug valve assembly with positioning structure for preventing bolt head from rotating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123143291.4U CN216590043U (en) | 2021-12-14 | 2021-12-14 | Plug valve assembly with positioning structure for preventing bolt head from rotating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216590043U true CN216590043U (en) | 2022-05-24 |
Family
ID=81613375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123143291.4U Active CN216590043U (en) | 2021-12-14 | 2021-12-14 | Plug valve assembly with positioning structure for preventing bolt head from rotating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216590043U (en) |
-
2021
- 2021-12-14 CN CN202123143291.4U patent/CN216590043U/en active Active
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