CN210800071U - Guide type stop valve - Google Patents
Guide type stop valve Download PDFInfo
- Publication number
- CN210800071U CN210800071U CN201920977257.0U CN201920977257U CN210800071U CN 210800071 U CN210800071 U CN 210800071U CN 201920977257 U CN201920977257 U CN 201920977257U CN 210800071 U CN210800071 U CN 210800071U
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- valve
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- valve body
- sealing
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Abstract
The utility model discloses a direction type stop valve, which comprises a valve body, case and the valve rod of setting in the valve body, be provided with bellows pole portion between valve rod and case, be provided with the valve gap on the valve body, be provided with direction slide groove on the inner wall of valve gap, be fixed with the guide block in the junction of valve rod and bellows pole portion, side at the guide block is provided with prevents changeing the pin rod, be fixed with the leak hunting mouth that is linked together with direction slide groove on the lateral wall of valve gap, be fixed with sealing pressure plate between the inner wall of the bottom surface of guide block and valve gap, be provided with the ring recess on the inner wall of valve body, be provided with ring shape sealing briquetting in the ring recess, the inner ring of ring shape sealing briquetting is the round platform shape, the top of case is the round platform form. The utility model discloses a structure sets up rationally, and it not only has better sealing performance, can reveal the detection through examining the leak in real time moreover, is favorable to improving security and the reliability of using, and the suitability is strong and the practicality is good.
Description
Technical Field
The utility model belongs to the technical field of the valve body, concretely relates to direction type stop valve.
Background
The stop valve includes the valve body, is equipped with feed liquor chamber and play liquid chamber in the valve body, is equipped with the baffle in the valve body, is equipped with the intercommunicating pore with feed liquor chamber and play liquid chamber intercommunication on the baffle, is connected with the valve gap on the valve body, even has the valve shaft on the valve gap, and its end connection of liquid chamber is stretched into to the valve shaft has the valve plate, and the cladding has the elastic sealing layer on the surface of valve plate. The sealing principle is that the valve shaft is rotated to lead the sealing end surface of the valve plate to seal the communicating hole.
At present, Chinese patent with publication number CN105443774A discloses a high-efficiency dustproof sealing stop valve, which comprises a valve body, a valve cover, a shaft sleeve, a valve rod nut, a valve rod, a valve core and a hand wheel, a conical flow port is arranged in the valve cavity of the valve body, the upper end of the valve body is connected with a valve cover, the valve cover is fixedly connected with the valve body through a plurality of bolt fasteners, a shaft sleeve is arranged in the valve cover, a valve rod nut is connected on the shaft sleeve, the valve rod penetrates through the valve rod nut and the shaft sleeve, and is in threaded connection with a valve rod nut, the tail end of the valve rod is fixedly connected with a valve core, the upper end of the valve rod is connected with a hand wheel, the valve core is of a conical round head structure, a plurality of conical sealing rings are arranged on the valve core, a sealing component is arranged at the joint of the valve cover and the valve body, the tail end of the shaft sleeve is provided with a dustproof sealing device, and a dustproof assembly is arranged on the connecting surface of the valve rod nut and the shaft sleeve. The efficient dustproof sealing stop valve is simple in structure, limited in sealing performance and easy to leak in long-term use, and therefore workers are required to frequently replace a new valve core, and work efficiency is reduced.
Disclosure of Invention
The utility model aims at providing a structure sets up reasonable and the direction type stop valve that the suitability is strong.
The technical scheme for realizing the purpose of the utility model is a guiding stop valve, which comprises a valve body, a valve core and a valve rod arranged in the valve body, a corrugated pipe rod part is arranged between the valve rod and the valve core, a valve cover is arranged on the valve body, the valve cover is fixed on the valve body through a screw rod, a C-shaped support is arranged on the valve cover, the top of the valve rod extends out of the upper cross rod of the C-shaped support, a hand wheel is fixed at the top end of the valve rod, a guiding slide way groove is arranged on the inner wall of the valve cover, a guide slide block is fixed at the joint of the valve rod and the corrugated pipe rod part, an anti-rotation pin rod is arranged on the side surface of the guide slide block, the anti-rotation pin rod is positioned in the guiding slide way groove, a leakage detection port communicated with the guiding slide way groove is fixed on the side wall of the valve cover, a sealing pressure plate is fixed between the bottom surface of the, the valve comprises a valve rod, a valve cover and a valve body, wherein a packing combination is fixed between the valve rod and the inner wall of the valve cover, a packing gland is arranged at the top of the packing combination, the packing gland is fixedly positioned through a press-fit screw rod, the bottom end of the press-fit screw rod is connected to the upper portion of the side wall of the valve cover through a rotating shaft, a circular groove is formed in the inner wall of the valve body, a circular sealing pressing block is arranged in the circular groove, the inner ring of the circular sealing pressing block is in a circular truncated cone shape, the top of the valve core is in a circular truncated cone shape, and when the valve cover is connected with the valve body, the bottom surface of the valve cover is pressed on the top surface of the circular sealing pressing.
And a high-molecular composite material sealing layer for increasing pressure resistance is fixedly bonded on the inner ring of the valve core.
And metal pipe sealing rings are fixed on the contact surfaces of the sealing pressure plate and the valve cover and the contact surfaces of the sealing pressure plate and the valve body.
The utility model discloses has positive effect: the utility model discloses a structure sets up rationally, and it not only has better sealing performance, can reveal the detection through examining the leak in real time moreover, is favorable to improving security and the reliability of using, and the suitability is strong and the practicality is good.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the following specific embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
(example 1)
Fig. 1 shows a specific embodiment of the present invention, wherein fig. 1 is a schematic structural diagram of the present invention.
Referring to fig. 1, a guiding type stop valve comprises a valve body 1, a valve core 2 and a valve rod 3 arranged in the valve body, a corrugated pipe rod part 4 is arranged between the valve rod and the valve core, a valve cover 5 is arranged on the valve body, the valve cover is fixed on the valve body through a screw 6, a C-shaped support 7 is arranged on the valve cover, the top of the valve rod extends out of the upper cross rod of the C-shaped support, a hand wheel 8 is fixed at the top end of the valve rod, a guiding slide channel groove 9 is arranged on the inner wall of the valve cover, a guide slide block 10 is fixed at the joint of the valve rod and the corrugated pipe rod part, an anti-rotation pin 11 is arranged on the side surface of the guide slide block, the anti-rotation pin is positioned in the guiding slide channel groove, a leakage detecting port 12 communicated with the guiding slide channel groove is fixed on the side wall of the valve cover, a sealing pressure plate 13 is fixed between the bottom surface of the guide slide block, a packing assembly 14 is fixed between the valve rod and the inner wall of the valve cover, a packing gland 15 is arranged at the top of the packing assembly, the packing gland is fixedly positioned through a pressing screw rod 16, the bottom end of the pressing screw rod is connected to the upper portion of the side wall of the valve cover through a rotating shaft 17, a circular groove 18 is formed in the inner wall of the valve body, a circular sealing pressing block 19 is arranged in the circular groove, the inner ring of the circular sealing pressing block is in a circular truncated cone shape, the top of the valve core is in a circular truncated cone shape, and when the valve cover is connected with the valve body, the bottom surface of the valve cover is pressed against the top surface of the circular sealing pressing block, and the valve core is attached to the inner ring surface of the circular sealing pressing block when.
And a high molecular composite material sealing layer 20 for increasing pressure resistance is fixedly bonded on the inner ring of the valve core.
And metal pipe sealing rings 21 are fixed on the contact surfaces of the sealing pressure plate and the valve cover and the contact surfaces of the sealing pressure plate and the valve body.
The utility model discloses a structure sets up rationally, and it not only has better sealing performance, can reveal the detection through examining the leak in real time moreover, is favorable to improving security and the reliability of using, and the suitability is strong and the practicality is good.
The standard parts used in the present embodiment may be purchased directly from the market, and the non-standard structural components described in the specification and drawings may be obtained by processing without any doubt according to the common general knowledge in the art, and the connection manner of the respective parts is by the conventional means developed in the art, and the machines, parts and equipment are of the conventional type in the art, so that the detailed description thereof is omitted.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. 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 such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (2)
1. The utility model provides a direction type stop valve, includes the valve body, sets up case and valve rod in the valve body be provided with bellows pole portion between the valve rod and the case be provided with the valve gap on the valve body, the valve gap passes through the screw rod to be fixed on the valve body be provided with the C shape support on the valve gap, the top of valve rod stretches out the upper portion horizontal pole of C shape support and is fixed with hand wheel, its characterized in that on the top of valve rod: a guide slide way groove is arranged on the inner wall of the valve cover, a guide slide block is fixed at the joint of the valve rod and the corrugated pipe rod part, an anti-rotation pin rod is arranged on the side surface of the guide slide block and is positioned in the guide slide way groove, a leak detection port communicated with the guide slide way groove is fixed on the side wall of the valve cover, a sealing pressure plate is fixed between the bottom surface of the guide slide block and the inner wall of the valve cover, a packing combination is fixed between the valve rod and the inner wall of the valve cover, a packing gland is arranged at the top of the packing combination and is positioned and fixed through a pressing screw rod, the bottom end of the pressing screw rod is connected to the upper part of the side wall of the valve cover through a rotating shaft, a circular ring groove is arranged on the inner wall of the valve body, a circular ring sealing pressing block is arranged in the circular ring groove, and the inner ring of the circular ring sealing pressing block is in a, the top of the valve core is in a circular truncated cone shape, when the valve cover is connected with the valve body, the bottom surface of the valve cover is pressed against the top surface of the annular sealing pressing block, and the valve core is attached to the inner annular surface of the annular sealing pressing block during lifting; and a high-molecular composite material sealing layer for increasing pressure resistance is fixedly bonded on the inner ring of the valve core.
2. The pilot-type shutoff valve of claim 1, wherein: and metal pipe sealing rings are fixed on the contact surfaces of the sealing pressure plate and the valve cover and the contact surfaces of the sealing pressure plate and the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977257.0U CN210800071U (en) | 2019-06-27 | 2019-06-27 | Guide type stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920977257.0U CN210800071U (en) | 2019-06-27 | 2019-06-27 | Guide type stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210800071U true CN210800071U (en) | 2020-06-19 |
Family
ID=71241400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920977257.0U Active CN210800071U (en) | 2019-06-27 | 2019-06-27 | Guide type stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210800071U (en) |
-
2019
- 2019-06-27 CN CN201920977257.0U patent/CN210800071U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |