CN212839465U - Rising stem gate valve - Google Patents
Rising stem gate valve Download PDFInfo
- Publication number
- CN212839465U CN212839465U CN202021574745.6U CN202021574745U CN212839465U CN 212839465 U CN212839465 U CN 212839465U CN 202021574745 U CN202021574745 U CN 202021574745U CN 212839465 U CN212839465 U CN 212839465U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- rising stem
- hand wheel
- nut
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model relates to the technical field of gate valves, a rising stem gate valve is provided, aiming at solving the problems that the traditional rising stem gate valve is complex in structure and difficult to assemble, the transmission thread of a valve rod is arranged outside the body cavity of the gate valve, and the valve rod nut is easy to wear under the condition of long-time opening and closing, but the replacement and the assembly of the valve rod nut are inconvenient, comprising a valve body, a fluid channel is horizontally arranged in the middle of the valve body, a lower valve cover is integrally formed on the upper part of the valve body, a valve plate is vertically arranged in the fluid channel, the upper part of the valve plate extends to the inner cavity of the lower valve cover and is provided with the valve rod, an upper valve cover and a valve rod protective shell are sequentially sleeved on the valve; the upper end of the valve rod protective shell is rotatably provided with a nut integrated hand wheel, and the nut integrated hand wheel is sleeved on a thread arranged on the upper part of the valve rod through a thread sleeve. The utility model discloses be particularly useful for pipeline fluidic control, have higher social use value and application prospect.
Description
Technical Field
The utility model relates to a gate valve technical field, concretely relates to rising stem gate valve.
Background
The rising stem gate valve is used as a common valve of a pipeline and has the function of isolating medium, and the rising stem gate valve has the structural principle that the rising stem gate valve can judge the opening and closing of the valve through the extending height of the valve rod, so that the possibility of accidents caused by misoperation of the valve is avoided. Therefore, the demand and the pipeline installation amount of the rising stem gate valve are always large, and the rising stem gate valve is a common valve.
The valve rod of the rising stem gate valve does lifting motion, the traditional rising stem gate valve is complex in structure and difficult to assemble, the transmission threads of the valve rod are arranged outside the body cavity of the gate valve, a valve rod nut is easy to wear under the condition of long-time opening and closing, and the replacement and the assembly of the valve rod nut are inconvenient. Therefore, the rising stem gate valve is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides an rising stem gate valve has overcome the not enough of prior art, reasonable in design, and compact structure aims at solving traditional rising stem gate valve structure complicacy, difficult assembly, and valve rod transmission screw thread is outside the body cavity of gate valve, and under the long-time switch condition, valve rod nut wears and teares easily, but valve rod nut's change and the all inconvenient problem of assembly.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a rising stem gate valve comprises a valve body, wherein a fluid channel is horizontally arranged in the middle of the valve body, a lower valve cover is integrally formed on the upper portion of the valve body, a valve plate is vertically arranged in the fluid channel, the upper portion of the valve plate extends to an inner cavity of the lower valve cover and is provided with a valve rod, an upper valve cover and a valve rod protective shell are sequentially sleeved on the valve rod from bottom to top, and the upper valve cover is fixed with the lower valve cover through a fastening bolt;
the upper end of the valve rod protective shell is rotatably provided with a nut integrated hand wheel, and the nut integrated hand wheel is sleeved on a thread arranged on the upper part of the valve rod through a thread sleeve.
Furthermore, nut integral type hand wheel is including being circular shape hand wheel body, and the lower extreme middle part integrated into one piece of hand wheel body has the internal thread sleeve, and internal thread sleeve thread cover is established on the screw thread that valve rod upper portion was seted up.
Furthermore, a wear-resistant gasket for sealing is arranged between the internal thread sleeve and the valve rod protective shell.
Furthermore, the lower part of the internal thread sleeve is connected with the upper part of the valve rod protective shell through two symmetrically arranged semicircular clamping rings, and the two semicircular clamping rings are fixedly connected through a bolt and nut combination.
Further, the lower valve cover and the upper valve cover jointly form a valve body space for accommodating the lifting of the valve plate.
Further, the thread on the valve rod is a trapezoidal thread.
(III) advantageous effects
The embodiment of the utility model provides a rising stem gate valve possesses following beneficial effect:
1. the utility model has the advantages of simple structure, convenient installation and use, reliable strength and durability, and is convenient for the installation and the use of the fluid pipeline.
2. The utility model discloses a nut integral type hand wheel and semi-circular snap ring's integrated configuration, during installation and dismantlement, through twisting moving bolt and nut combination, the valve rod can be installed and dismantled out with nut integral type hand wheel to the dismouting of a pair of semi-circular snap ring of cooperation, is convenient for change, convenient maintenance.
3. The utility model discloses a to the rotary control of nut integral type hand wheel, realized the lift of valve rod to highly judge the switch and the flow control of valve through the valve rod stretches out.
Drawings
The above features, technical features, advantages and modes of realisation of the stem gate valve will be further described in the following, in a clearly understandable manner, with reference to the accompanying drawings, which illustrate preferred embodiments.
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present invention.
In the figure: the valve comprises a valve body 1, a fluid channel 101, a lower valve cover 102, a valve plate 103, an upper valve cover 2, a valve rod protective shell 3, a semicircular snap ring 4, a valve rod 5, a nut integrated hand wheel 6, a hand wheel body 601, an internal thread sleeve 602, a bolt and nut combination 7 and a wear-resistant gasket 8.
Detailed Description
The invention will be further described with reference to the following figures 1-3 and examples:
example 1
A rising stem gate valve comprises a valve body 1, wherein a fluid channel 101 is horizontally arranged in the middle of the valve body 1, a lower valve cover 102 is integrally formed on the upper portion of the valve body 1, a valve plate 103 is vertically arranged in the fluid channel 101, the upper portion of the valve plate 103 extends to the inner cavity of the lower valve cover 102 and is provided with a valve rod 5, an upper valve cover 2 and a valve rod protective shell 3 are sequentially sleeved on the valve rod 5 from bottom to top, the valve rod protective shell 3 effectively protects the valve rod 5, and the upper valve cover 2 is fixed with the lower valve cover 102 through a fastening bolt;
the upper end of the valve rod protective shell 3 is rotated and is provided with a nut integrated hand wheel 6, the nut integrated hand wheel 6 is sleeved on a thread arranged on the upper portion of the valve rod 5 in a threaded manner, and the lifting of the valve rod 5 is realized through the rotary control of the nut integrated hand wheel 6, so that the valve is switched on and switched off and the flow control of the valve is judged through the height extending out of the valve rod 5.
In this embodiment, as shown in fig. 1 to 3, the nut-integrated handwheel 6 includes a handwheel body 601 in a circular shape, an internal thread sleeve 602 is integrally formed in the middle of the lower end of the handwheel body 601, and the internal thread sleeve 602 is threadedly sleeved on a thread formed on the upper portion of the valve rod 5.
In this embodiment, as shown in fig. 1 to 3, the lower part of the internal thread sleeve 602 is connected with the upper part of the valve rod protective shell 3 through two symmetrically arranged semicircular snap rings 4, and the two semicircular snap rings 4 are fixedly connected through a bolt and nut combination 7, and through the disassembly and installation of the bolt and nut combination 7, the disassembly of the nut integrated hand wheel 6 is effectively ensured, the internal thread sleeve 602 on the nut integrated hand wheel 6 is repaired conveniently and quickly, or a new nut integrated hand wheel 6 is replaced, so that the use of the gate valve is ensured.
In this embodiment, as shown in fig. 1-2, the lower bonnet 102 and the upper bonnet 2 together form a valve body space for accommodating the valve plate 103 to lift, so as to ensure the lift of the valve plate 103, and further realize the interception and flow control of fluid.
In this embodiment, as shown in fig. 3, the thread on the valve rod 5 is a trapezoidal thread, and the trapezoidal thread is matched with the internal thread sleeve 602 to ensure the lifting of the valve plate 103 below the valve rod 5.
Example 2
The present embodiment is different from embodiment 1 in that, as shown in fig. 3, a wear-resistant gasket 8 for sealing is provided between the internal threaded sleeve 602 and the valve stem protective shell 3, so as to ensure sealing on one hand and prevent abrasion between the internal threaded sleeve 602 and the valve stem protective shell 3 on the other hand.
Other undescribed structures refer to example 1.
According to the rising stem gate valve of the above embodiment of the present invention, during installation, after the valve rod 5 is connected to the valve plate 103, the valve rod 5 is inserted from below the upper valve cap 2, and the fastening bolts of the upper valve cap 2 and the lower valve cap 102 are tightened;
then, a valve rod protective shell 3 and a wear-resistant gasket 4 are sleeved on the upper part of the valve rod 5 in sequence;
screwing the nut integrated hand wheel 1 and the valve rod 5 to the compression wear-resistant washer 4;
the lower part of the internal thread sleeve 602 is connected with the upper part of the valve rod protective shell 3 through a pair of semicircular snap rings 4, and finally the internal thread sleeve is screwed by a bolt and nut combination 7 to finish fixed installation;
during the dismantlement, unscrew bolt and nut combination 7, pull down a pair of semi-circular snap ring 4, unscrew valve rod 5 with nut integral type hand wheel 6, accomplish the dismantlement, the change of being convenient for.
The embodiment of the present invention discloses a preferred embodiment, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention according to the above embodiment, and make different extensions and changes, but do not depart from the spirit of the present invention, all of which are within the protection scope of the present invention.
Claims (6)
1. A rising stem gate valve comprises a valve body and is characterized in that a fluid channel is horizontally arranged in the middle of the valve body, a lower valve cover is integrally formed on the upper portion of the valve body, a valve plate is vertically arranged in the fluid channel, the upper portion of the valve plate extends to an inner cavity of the lower valve cover and is provided with a valve rod, an upper valve cover and a valve rod protective shell are sequentially sleeved on the valve rod from bottom to top, and the upper valve cover is fixed with the lower valve cover through a fastening bolt;
the upper end of the valve rod protective shell is rotatably provided with a nut integrated hand wheel, and the nut integrated hand wheel is sleeved on a thread arranged on the upper part of the valve rod through a thread sleeve.
2. An rising stem gate valve according to claim 1, wherein: the nut integrated hand wheel comprises a hand wheel body which is circular, an internal thread sleeve is integrally formed in the middle of the lower end of the hand wheel body, and the internal thread sleeve is sleeved on a thread formed in the upper portion of the valve rod.
3. An rising stem gate valve according to claim 2, wherein: and a wear-resistant gasket for sealing is arranged between the internal thread sleeve and the valve rod protective shell.
4. An rising stem gate valve according to claim 2, wherein: the lower part of the internal thread sleeve is connected with the upper part of the valve rod protective shell through two symmetrically arranged semicircular clamping rings, and the two semicircular clamping rings are fixedly connected through a bolt and nut combination.
5. An rising stem gate valve according to claim 1, wherein: the lower valve cover and the upper valve cover jointly form a valve body space for accommodating the lifting of the valve plate.
6. An rising stem gate valve according to claim 1, wherein: the threads on the valve stem are trapezoidal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574745.6U CN212839465U (en) | 2020-07-31 | 2020-07-31 | Rising stem gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021574745.6U CN212839465U (en) | 2020-07-31 | 2020-07-31 | Rising stem gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212839465U true CN212839465U (en) | 2021-03-30 |
Family
ID=75126124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021574745.6U Active CN212839465U (en) | 2020-07-31 | 2020-07-31 | Rising stem gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212839465U (en) |
-
2020
- 2020-07-31 CN CN202021574745.6U patent/CN212839465U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201462018U (en) | Novel gate valve | |
| CN212839465U (en) | Rising stem gate valve | |
| CN201475399U (en) | High-temperature and high-pressure forged steel ball valve | |
| CN204437296U (en) | Embedded forging Y type is without bonnet stop valve | |
| CN208058001U (en) | A kind of cast steel fixing ball valve | |
| CN202629118U (en) | Ball screw gate valve | |
| CN208595239U (en) | A kind of valve protective device | |
| CN202901342U (en) | Novel plunger control valve | |
| CN205937888U (en) | Balanced type case structure of low temperature governing valve | |
| CN207661159U (en) | A kind of gate valve | |
| CN218377732U (en) | High-performance butterfly valve for high-humidity environment | |
| CN209325062U (en) | A kind of dust guard of shut-off valve peculiar to vessel | |
| CN207584038U (en) | A kind of wear-resistant ceramic plunger angle valve | |
| CN206191048U (en) | Boiler subtracts warm water governing valve | |
| CN213744944U (en) | Bolt type quick-closing valve | |
| CN212177917U (en) | Corrugated pipe valve combining plane sealing and conical surface sealing | |
| CN2550576Y (en) | Reinforced seal leakless valve | |
| CN211550544U (en) | High-temperature high-pressure angle type forge welding balance stop valve | |
| CN204961868U (en) | Aluminium bronze gate valve | |
| CN201687952U (en) | Anti-particle high pressure differential angle valve | |
| CN220910549U (en) | Multifunctional two-group valve structure based on low cost | |
| CN211203101U (en) | Water valve capable of monitoring internal pressure of valve body | |
| CN204004475U (en) | A kind of piston type stop valve | |
| CN108591503A (en) | A kind of Novel Brake Valve | |
| CN204677826U (en) | A kind of pressure regulation safety check |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |