CN212839464U - Gate valve - Google Patents
Gate valve Download PDFInfo
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- CN212839464U CN212839464U CN202021326033.2U CN202021326033U CN212839464U CN 212839464 U CN212839464 U CN 212839464U CN 202021326033 U CN202021326033 U CN 202021326033U CN 212839464 U CN212839464 U CN 212839464U
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Abstract
The utility model discloses a gate valve, which comprises a valve body, wherein the valve body is provided with a valve cavity, the water inlet end of the valve cavity is communicated with a conical pipe, and the water outlet end of the valve cavity is communicated with the conical pipe; the conical pipes are all provided with connecting flanges; the gate valve also comprises a valve plate component for opening and closing the water inlet end and the water outlet end of the valve cavity; the valve plate component comprises a dumbbell-shaped valve block positioned in the valve cavity, and sealing plugs are arranged at two ends of the dumbbell-shaped valve block; the top of the dumbbell-shaped valve block is provided with a valve rod component; the valve rod component comprises a valve rod which is rotatably connected to the dumbbell-shaped valve block, and the valve rod penetrates through the valve body upwards; the top of the valve body is equipped with a threaded connection. The dumbbell-shaped valve block and the sealing plug which are designed by adopting the structure can fully seal and block the valve cavity, and simultaneously can resist large water flow scouring force.
Description
Technical Field
The utility model relates to a valving field especially relates to a gate valve.
Background
A gate valve is one type of valve that is used primarily to control the discharge of water flow in a pipe. The main structure of the valve comprises a valve body, a valve plate and a valve rod, wherein the valve plate is positioned in a valve cavity, and the valve rod is used for controlling the valve plate to open and close.
The above-mentioned structure gate valve that prior art disclosed, in the use, especially apply to high-pressure water pipe on, in the opening closed process of frequently method, the valve plate receives the washing away of rivers, and the leakproofness of valve plate reduces, and the leading cause lies in: the valve plate is easy to deform along with the increase of the service life and the washing of high-pressure water flow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a gate valve is provided.
The utility model discloses a solve above-mentioned technical problem through following technical scheme:
a gate valve comprises a valve body, wherein the valve body is provided with a valve cavity, the water inlet end of the valve cavity is communicated with a conical pipe, and the water outlet end of the valve cavity is communicated with the conical pipe;
the conical pipes are all provided with connecting flanges;
the gate valve also comprises a valve plate component for opening and closing the water inlet end and the water outlet end of the valve cavity;
the valve plate component comprises a dumbbell-shaped valve block positioned in the valve cavity, and sealing plugs for respectively sealing and blocking the water inlet end and the water outlet end of the valve cavity are arranged at two ends of the dumbbell-shaped valve block;
the top of the dumbbell-shaped valve block is provided with a valve rod component;
the valve rod component comprises a valve rod which is rotatably connected to the dumbbell-shaped valve block, and the valve rod penetrates through the valve body upwards;
the top of the valve body is provided with a threaded connecting piece;
the threaded connecting piece comprises a first nut fixedly connected to the top of the valve body, the first nut is provided with a threaded sleeve, and the top of the threaded sleeve is provided with a second nut;
the valve rod is in threaded connection with the first nut, the screw sleeve and the second nut.
Preferably, the top of the valve rod is fixedly connected with a driving hand wheel.
Preferably, the driving hand wheel comprises a fixed disc body fixedly connected to the top of the valve rod, a plurality of connecting rods distributed in an annular shape are fixedly connected to the disc outline of the fixed disc body, and the driving hand wheel further comprises a plurality of annular rods fixedly connected to the connecting rods.
Preferably, a fixed seat rotatably connected with the valve rod is fixedly connected to the dumbbell-shaped valve block, and the transverse section of the fixed seat is circular.
Preferably, the fixed seat is rotatably connected with the lower end of the valve rod through a rotating structure.
Preferably, the rotary structure comprises a plurality of annular barrier flanges positioned at the lower end of the valve rod;
the top of the fixed seat is provided with a rotary groove matched with the valve rod;
the wall of the rotary groove is provided with a plurality of annular grooves matched with the annular partition flanges;
the annular barrier flange is limited in the annular groove.
Preferably, the inner wall of the screw sleeve is provided with internal threads; the first nut and the second nut are provided with internal threads;
and the valve rod is provided with external threads matched with the internal threads on the first nut, the screw sleeve and the second nut.
Compared with the prior art, the utility model has the following advantages:
the utility model discloses a gate valve, which comprises a valve body, wherein the valve body is provided with a valve cavity, the water inlet end of the valve cavity is communicated with a conical pipe, and the water outlet end of the valve cavity is communicated with the conical pipe; the conical pipes are all provided with connecting flanges; the gate valve also comprises a valve plate component for opening and closing the water inlet end and the water outlet end of the valve cavity; the valve plate component comprises a dumbbell-shaped valve block positioned in the valve cavity, and sealing plugs for respectively sealing and blocking the water inlet end and the water outlet end of the valve cavity are arranged at two ends of the dumbbell-shaped valve block; the top of the dumbbell-shaped valve block is provided with a valve rod component; the valve rod component comprises a valve rod which is rotatably connected to the dumbbell-shaped valve block, and the valve rod penetrates through the valve body upwards; the top of the valve body is provided with a threaded connecting piece; the threaded connecting piece comprises a first nut fixedly connected to the top of the valve body, the first nut is provided with a threaded sleeve, and the top of the threaded sleeve is provided with a second nut; the valve rod is in threaded connection with the first nut, the screw sleeve and the second nut.
The valve with the structure design has the advantages that the dumbbell-shaped valve block and the sealing plug are designed to fully seal and block the valve cavity, and meanwhile, the valve with the structure design can resist large water flow scouring force.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a valve plate member according to an embodiment of the present invention;
FIG. 3 is a schematic view of a dispersed structure of a valve plate member according to an embodiment of the present invention;
FIG. 4 is a schematic view of a connection structure of the threaded connection member and the valve stem according to an embodiment of the present invention;
fig. 5 is a schematic view of a dispersed structure of a dumbbell-shaped valve block in an embodiment of the present invention;
fig. 6 is a schematic view of a dispersed structure of a fixing base in an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1-6, a gate valve comprises a valve body 1, wherein the valve body 1 is provided with a valve cavity, the water inlet end of the valve cavity is communicated with a conical pipe 12, and the water outlet end of the valve cavity is communicated with the conical pipe 12; the tapered tubes 12 are each fitted with a connecting flange 121. The valve body 1 is time-fitted to the pipe by the coupling flange 121.
The gate valve further comprises a valve plate component 2 for opening and closing the water inlet end and the water outlet end of the valve cavity, specifically, the valve plate component 2 comprises a valve block piece 23 positioned in the valve cavity, the valve block piece 23 comprises a dumbbell-shaped valve block 231, and two ends of the dumbbell-shaped valve block 231 are provided with sealing plugs 232 for respectively sealing and blocking the water inlet end and the water outlet end of the valve cavity; the top of the dumbbell-shaped valve block 231 is fitted with a stem member. The dumbbell-shaped valve block 231 is driven by the valve rod component to open and close the water inlet end and the water outlet end of the valve cavity.
The valve rod component comprises a valve rod 22 which is rotatably connected to a dumbbell-shaped valve block 231, and the valve rod 22 penetrates through the valve body 1 upwards; the top of the valve body 1 is fitted with a threaded connection 11.
Specifically, the threaded connector 11 comprises a first nut 111 fixedly connected to the top of the valve body 1, the first nut 111 is assembled with a threaded sleeve 113, and the top of the threaded sleeve 113 is assembled with a second nut 112; the stem 22 is screwed with a first nut 111, a threaded sleeve 113, and a second nut 112. Specifically, an internal thread is formed on the inner wall of the threaded sleeve 113; internal threads are formed on the first nut 111 and the second nut 112; the valve rod 22 is provided with an external thread matched with the internal thread of the first nut 111, the threaded sleeve 113 and the second nut 112.
The valve stem 22 is screwed to the first nut 111, the threaded sleeve 113, and the second nut 112 through the top of the valve body 1.
The threaded connection 11 of the above-mentioned structural design increases the tightness of the valve body 1.
The top of the valve rod 22 is fixedly connected with a driving hand wheel 21. Specifically, the driving handwheel 21 comprises a fixed disk body fixedly connected to the top of the valve rod 22, a plurality of connecting rods distributed in an annular shape are fixedly connected to the profile of the fixed disk body, and the driving handwheel 21 further comprises a plurality of annular rods fixedly connected to the connecting rods.
The dumbbell-shaped valve block 231 is fixedly connected with a fixed seat 24 which is rotatably connected with the valve rod 22, and the transverse section of the fixed seat 24 is circular. The fixed seat 24 is rotatably connected with the lower end of the valve rod 22 through a rotating structure. The rotary structure comprises a plurality of annular barrier flanges 221 positioned at the lower end of the valve rod 22; correspondingly, the top of the fixed seat 24 is provided with a rotary groove matched with the valve rod 22; the wall of the rotating groove is provided with a plurality of annular grooves 2411 matched with the annular partition flange 221; the annular barrier flange 221 is captured within the annular groove 2411.
During the rotation of the valve rod 22, the valve rod 22 rotates in the rotating groove, and during the rotation of the valve rod 22, the annular partition flange 221 rotates in the rotating groove, so that the dumbbell-shaped valve block 231 is driven to move upwards to open the water inlet end and the water outlet end in the valve cavity.
The dumbbell-shaped valve block 231 and the sealing plug 232 adopting the structural design can fully seal and block the valve cavity, and can resist large water flow scouring force.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A gate valve is characterized by comprising a valve body, wherein the valve body is provided with a valve cavity, the water inlet end of the valve cavity is communicated with a conical pipe, and the water outlet end of the valve cavity is communicated with the conical pipe;
the conical pipes are all provided with connecting flanges;
the gate valve also comprises a valve plate component for opening and closing the water inlet end and the water outlet end of the valve cavity;
the valve plate component comprises a dumbbell-shaped valve block positioned in the valve cavity, and sealing plugs for respectively sealing and blocking the water inlet end and the water outlet end of the valve cavity are arranged at two ends of the dumbbell-shaped valve block;
the top of the dumbbell-shaped valve block is provided with a valve rod component;
the valve rod component comprises a valve rod which is rotatably connected to the dumbbell-shaped valve block, and the valve rod penetrates through the valve body upwards;
the top of the valve body is provided with a threaded connecting piece;
the threaded connecting piece comprises a first nut fixedly connected to the top of the valve body, the first nut is provided with a threaded sleeve, and the top of the threaded sleeve is provided with a second nut;
the valve rod is in threaded connection with the first nut, the screw sleeve and the second nut.
2. The gate valve of claim 1, wherein a drive hand wheel is fixedly attached to the top of the valve stem.
3. The gate valve of claim 2, wherein the driving handwheel comprises a fixed disk body fixedly connected to the top of the valve stem, a plurality of annularly distributed connecting rods are fixedly connected to the profile of the fixed disk body, and the driving handwheel further comprises an annular rod fixedly connected to the plurality of connecting rods.
4. The gate valve of claim 3, wherein the dumbbell-shaped valve block is fixedly connected with a fixing seat rotatably connected with the valve rod, and the fixing seat has a circular transverse cross-section.
5. The gate valve of claim 4, wherein the fixed seat is rotatably connected to the lower end of the valve stem by a rotary structure.
6. The gate valve of claim 5, wherein the rotary structure includes a plurality of annular barrier flanges at the lower end of the stem;
the top of the fixed seat is provided with a rotary groove matched with the valve rod;
the wall of the rotary groove is provided with a plurality of annular grooves matched with the annular partition flanges;
the annular barrier flange is limited in the annular groove.
7. The gate valve of claim 6, wherein the inner wall of the threaded sleeve is provided with an internal thread; the first nut and the second nut are provided with internal threads;
and the valve rod is provided with external threads matched with the internal threads on the first nut, the screw sleeve and the second nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326033.2U CN212839464U (en) | 2020-07-08 | 2020-07-08 | Gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021326033.2U CN212839464U (en) | 2020-07-08 | 2020-07-08 | Gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839464U true CN212839464U (en) | 2021-03-30 |
Family
ID=75182079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021326033.2U Active CN212839464U (en) | 2020-07-08 | 2020-07-08 | Gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280139A (en) * | 2021-04-21 | 2021-08-20 | 江苏腾龙石化机械有限公司 | Anti-blocking petroleum valve |
-
2020
- 2020-07-08 CN CN202021326033.2U patent/CN212839464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280139A (en) * | 2021-04-21 | 2021-08-20 | 江苏腾龙石化机械有限公司 | Anti-blocking petroleum valve |
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