CN215318478U - Miniature proportional valve case dismantles frock - Google Patents
Miniature proportional valve case dismantles frock Download PDFInfo
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- CN215318478U CN215318478U CN202120859346.2U CN202120859346U CN215318478U CN 215318478 U CN215318478 U CN 215318478U CN 202120859346 U CN202120859346 U CN 202120859346U CN 215318478 U CN215318478 U CN 215318478U
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- proportional valve
- hole
- regular hexagonal
- hexagonal prism
- valve core
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Abstract
The utility model relates to a valve core dismounting tool for a miniature proportional valve. The tool for disassembling the valve core of the miniature proportional valve comprises a regular hexagonal prism body, wherein a through hole which penetrates through the upper end and the lower end of the regular hexagonal prism body and is used for being sleeved on the valve core of the miniature proportional valve is formed in the regular hexagonal prism body, each outer side surface of the regular hexagonal prism body is respectively provided with a threaded hole communicated with the through hole, one of the threaded holes is internally threaded with a positioning pin, the other five threaded holes are internally threaded with clamping screws respectively, each positioning pin comprises a cylindrical section and a conical head which is located at the inner end of the cylindrical section, the cylindrical section is in threaded fit with the threaded hole, and the conical head is matched with the hole in the valve core of the miniature proportional valve. Compared with the prior art that the valve core of the miniature proportional valve is disassembled by using the jackscrew fixing ring, the valve core disassembling tool of the miniature proportional valve is not easy to damage the valve core of the miniature proportional valve, and is short in time consumption and high in disassembling efficiency. The utility model avoids the shaking caused by unbalanced stress of the valve core of the miniature proportional valve.
Description
Technical Field
The utility model belongs to the technical field of valve core dismounting devices, and particularly relates to a valve core dismounting tool for a miniature proportional valve.
Background
The miniature proportional valve can be used in an environment monitoring instrument, parts in the valve core of the miniature proportional valve are easy to damage due to frequent use of the miniature proportional valve, and when the miniature proportional valve is maintained, a cylindrical jackscrew fixing ring is usually used for clamping the valve core of the miniature proportional valve, and then the valve core is detached by using a wrench.
The case appearance of miniature proportional valve is the cylinder, uses the unable even atress of solid fixed ring of detaching tool clamping cylindrical jackscrew such as spanner to dismantle to the solid fixed ring of cylindrical jackscrew skids easily, causes the case surface mar to appear, often needs the cost longer time to pull down miniature proportional valve case simultaneously, has reduced miniature proportional valve maintenance efficiency.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a miniature proportional valve core dismounting tool, which aims to solve the technical problems that the valve core is easy to damage, the time is long and the efficiency is low when a jackscrew fixing ring is used for dismounting the miniature proportional valve core.
The utility model discloses a technical scheme of a miniature proportional valve core dismounting tool, which comprises the following steps:
the utility model provides a frock is dismantled to miniature proportional valve case, includes the regular hexagonal prism, be equipped with on the regular hexagonal prism and run through both ends about the regular hexagonal prism, be used for the through-hole of suit on the miniature proportional valve case, be equipped with respectively on each lateral surface of regular hexagonal prism with the screw hole of through-hole intercommunication, one of them screw hole female connection has the locating pin, five in addition threaded hole threaded connection has clamping screw respectively, the locating pin includes the cylinder section and is located the inner cone head of cylinder section, the cylinder section with screw hole screw-thread fit, the cone head matches with the hole on the miniature proportional valve case.
As a further improvement to the above technical solution, an axis of each of the threaded holes extends in a radial direction of the through hole.
As a further improvement to the technical scheme, the intersection point of the six threaded hole axes is a point on the through hole axis.
As a further improvement to the above technical solution, the outer end of the cylindrical section is provided with a first regular hexagonal prism head, the inner end surface of the clamping screw is a plane, and the outer end of the clamping screw is provided with a second regular hexagonal prism head.
As a further improvement to the above technical scheme, the cylindrical section and the conical head are of an integrated structure.
As a further improvement to the technical scheme, the axis of the through hole is collinear with the central axis of the regular hexagonal prism body.
The utility model provides a miniature proportional valve core dismounting tool, which has the following advantages compared with the prior art:
when the miniature proportional valve core dismounting tool is used, the positioning pin is installed in one threaded hole of the regular hexagonal prism body by using the hexagonal wrench, and the clamping screws are installed in the other five threaded holes of the regular hexagonal prism body by using the hexagonal wrench. And sleeving the regular hexagonal prism on the cylinder of the valve core of the miniature proportional valve, and adjusting the regular hexagonal prism to align the conical head of the positioning pin with the small hole on the cylinder of the valve core of the miniature proportional valve. And (3) screwing the positioning pin into the through hole by using a hexagonal wrench, so that the positioning pin enters the small hole in the cylinder, and the end part of the positioning pin is contacted with the bottom of the small hole in the cylinder. And then, a hexagonal wrench is used for screwing the clamping screw into the through hole, and the inner end of the clamping screw is tightly pressed against the outer wall of the cylinder. And finally, rotating the regular hexagonal prism by using an adjustable wrench to detach the valve core of the miniature proportional valve. Compared with the prior art that the valve core of the miniature proportional valve is disassembled by using the jackscrew fixing ring, the valve core disassembling tool of the miniature proportional valve is not easy to damage the valve core of the miniature proportional valve, and is short in time consumption and high in disassembling efficiency.
In the tool for disassembling the valve core of the micro proportional valve, the intersection point of the axes of the six threaded holes is a point on the axis of the through hole, so that the forces of the positioning pin and the five clamping screws to the valve core of the micro proportional valve are counteracted in the radial direction of the valve core of the micro proportional valve, and the valve core of the micro proportional valve is prevented from shaking due to unbalanced stress.
Drawings
FIG. 1 is a schematic structural diagram of a valve core dismounting tool of a micro proportional valve of the utility model;
FIG. 2 is a schematic structural diagram of a regular hexagonal prism in the tool for disassembling the valve core of the micro proportional valve according to the utility model;
FIG. 3 is a schematic structural diagram of a positioning pin in the tool for disassembling the valve core of the micro proportional valve according to the utility model;
reference numbers in the figures: 1. a regular hexagonal prism; 2. a through hole; 3. a threaded hole; 4. positioning pins; 5. a clamping screw; 6. a second regular hexagonal prism head; 7. a cylindrical section; 8. a first regular hexagonal prism head; 9. a conical head.
Detailed Description
The utility model is described in further detail below with reference to the following figures and detailed description:
the specific embodiment of the tool for disassembling the valve core of the micro proportional valve comprises a regular hexagonal prism 1, wherein the regular hexagonal prism 1 is provided with a through hole 2, the through hole 2 is a circular hole, and the axis of the circular through hole 2 is collinear with the central axis of the regular hexagonal prism 1, as shown in fig. 1, 2 and 3. The through hole 2 penetrates through the upper end face and the lower end face of the regular hexagonal prism body 1, and the through hole 2 is used for being sleeved on a valve core of the miniature proportional valve.
In this embodiment, threaded hole 3 has been seted up respectively on six lateral surfaces of regular hexagonal prism 1, and every threaded hole 3 all radially extends along through-hole 2, and threaded hole 3 intercommunication through-hole 2 and the 1 outside of regular hexagonal prism. The axes of the six threaded holes 3 intersect at a point, and this point is a point on the axis of the through-hole 2.
In this embodiment, one of the six threaded holes 3 is connected with a positioning pin 4 in an internal thread manner, and the positioning pin 4 comprises a conical head 9, a cylindrical section 7 and a first regular hexagonal column head 8. Conical head 9, cylinder section 7 and first regular hexagonal column cap 8 formula structure as an organic whole, be provided with respectively on the outer wall of cylinder section 7 with screw hole 3 assorted external screw thread. The axes of the first regular hexagonal prism head 8, the conical head 9 and the cylindrical section 7 are arranged in a collinear manner, the conical head 9 is positioned at one end of the cylindrical section 7 close to the through hole 2, and the first regular hexagonal prism head 8 is positioned at one end of the cylindrical section 7 away from the through hole 2.
In this embodiment, there are clamping screws 5 in five other screw holes 3 of regular hexagonal prism 1 threaded connection respectively, be provided with on the outer wall of clamping screws 5 with screw hole 3 assorted external screw thread. The inner end face of the clamping screw 5 is a plane so as to be in close contact with the outer wall of the valve core of the micro proportional valve. A second regular hexagonal prism head 6 is attached to the outer end of the clamping screw 5 to facilitate rotation of the clamping screw 5 using a wrench.
When the miniature proportional valve core dismounting tool is used, the positioning pin 4 is installed in one threaded hole 3 of the regular hexagonal prism 1 by using the hexagonal wrench, and the clamping screws 5 are installed in the other five threaded holes 3 of the regular hexagonal prism 1 by using the hexagonal wrench. The regular hexagonal prism 1 is sleeved on the cylinder of the valve core of the miniature proportional valve, and the regular hexagonal prism 1 is adjusted to enable the conical head 9 of the positioning pin 4 to be aligned with the small hole in the cylinder of the valve core of the miniature proportional valve. And (3) screwing the positioning pin 4 into the through hole 2 by using a hexagonal wrench, so that the positioning pin 4 enters the small hole on the cylinder, and the end part of the positioning pin 4 is contacted with the bottom of the small hole of the cylinder. Then, a hexagonal wrench is used to tighten the clamping screw 5 into the through hole 2, and the inner end of the clamping screw 5 is pressed against the outer wall of the cylinder. And finally, rotating the regular hexagonal prism 1 by using an adjustable wrench to detach the valve core of the micro proportional valve.
Compared with the prior art that the valve core of the miniature proportional valve is disassembled by using the jackscrew fixing ring, the valve core disassembling tool of the miniature proportional valve is not easy to damage the valve core of the miniature proportional valve, and is short in time consumption and high in disassembling efficiency. In the micro proportional valve core dismounting tool, the intersection point of the axes of the six threaded holes 3 is a point on the axis of the through hole 2, so that the forces of the positioning pin 4 and the five clamping screws 5 on the micro proportional valve core are counteracted in the radial direction of the micro proportional valve core, and the micro proportional valve core is prevented from shaking due to unbalanced stress.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The tool for disassembling the valve core of the miniature proportional valve is characterized by comprising a regular hexagonal prism body, wherein the regular hexagonal prism body is provided with a through hole which penetrates through the upper end and the lower end of the regular hexagonal prism body and is used for being sleeved on the valve core of the miniature proportional valve, each outer side surface of the regular hexagonal prism body is respectively provided with a threaded hole communicated with the through hole, one threaded hole is internally connected with a positioning pin, the other five threaded holes are respectively and threadedly connected with a clamping screw, the positioning pins comprise cylindrical sections and conical heads located at the inner ends of the cylindrical sections, the cylindrical sections are in threaded fit with the threaded holes, and the conical heads are matched with the holes in the valve core of the miniature proportional valve.
2. The micro proportional valve spool dismounting tool according to claim 1, wherein an axis of each threaded hole extends radially along the through hole.
3. The micro proportional valve spool dismounting tool according to claim 2, wherein the intersection point of the six threaded hole axes is a point on the through hole axis.
4. The tool for disassembling the valve element of the micro proportional valve according to claim 1, wherein a first regular hexagonal prism head is arranged at an outer end of the cylindrical section, an inner end surface of the clamping screw is a plane, and a second regular hexagonal prism head is arranged at an outer end of the clamping screw.
5. The micro proportional valve spool dismounting tool according to claim 4, wherein the cylindrical section and the conical head are of an integrated structure.
6. The micro proportional valve spool dismounting tool according to claim 1, wherein the axis of the through hole is collinear with the central axis of the regular hexagonal prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859346.2U CN215318478U (en) | 2021-04-25 | 2021-04-25 | Miniature proportional valve case dismantles frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120859346.2U CN215318478U (en) | 2021-04-25 | 2021-04-25 | Miniature proportional valve case dismantles frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215318478U true CN215318478U (en) | 2021-12-28 |
Family
ID=79595853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120859346.2U Active CN215318478U (en) | 2021-04-25 | 2021-04-25 | Miniature proportional valve case dismantles frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215318478U (en) |
-
2021
- 2021-04-25 CN CN202120859346.2U patent/CN215318478U/en active Active
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