CN215110529U - Improved stop valve - Google Patents
Improved stop valve Download PDFInfo
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- CN215110529U CN215110529U CN202120920755.9U CN202120920755U CN215110529U CN 215110529 U CN215110529 U CN 215110529U CN 202120920755 U CN202120920755 U CN 202120920755U CN 215110529 U CN215110529 U CN 215110529U
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- valve
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- limiting
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Abstract
The utility model provides an improved stop valve with simple structure, convenient opening and closing and long service life, which comprises a valve body, a valve cover arranged on the valve body, a water inlet channel and a water outlet channel which are radially arranged along the valve body, a valve clack arranged between the water inlet channel and the water outlet channel and used for cutting fluid, a valve rod arranged inside the valve body and above the valve clack, one end of the valve rod fixedly connected with the valve clack, the other end of the valve rod penetrating out of the valve cover, a jacking device used for tightly sealing the valve clack arranged on the valve rod, a first channel communicated with the outside and arranged outside the valve rod, a fixed rod fixedly arranged in the first channel, a supporting block arranged on the valve cover, a prying bar used for prying the valve rod arranged on the supporting block in a pressing way, and a limiting device used for limiting the downward sliding of the valve rod arranged on the valve cover, and a sealing device is also arranged between the valve cover and the valve rod.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to improved generation stop valve.
Background
The shut-off valve, also called a stop valve, is the most widely used one of the pipe connections and plays an important role in cutting off and throttling the medium in the pipe in which it is located. When the traditional stop valve is opened and closed, the valve rod on the rotary stop valve is adopted, and the valve clack is opened through the threaded connection of the valve rod and the valve body. Although the requirements can be met, the valve rod is in threaded connection with the valve body, labor is wasted when the valve rod is opened or closed, the phenomenon of clamping or thread sliding is easy to occur after the valve rod is used for a long time, so that a worker can not easily rotate the valve rod, and the stop valve is opened and closed.
SUMMERY OF THE UTILITY MODEL
The utility model provides an improved generation stop valve of simple structure, convenient and long service life of switch.
In order to achieve the above object, the technical solution of the present invention is to provide an improved stop valve, which comprises a valve body, a valve cover disposed on the valve body, a water inlet channel and a water outlet channel radially disposed along the valve body, a valve flap disposed between the water inlet channel and the water outlet channel for cutting fluid, a valve rod disposed inside the valve body above the valve flap, one end of the valve rod fixedly connected with the valve flap, the other end of the valve rod penetrating out of the valve cover, a pressing device disposed on the valve rod for tightly sealing the valve flap, a first channel disposed outside the valve cover and connected with the valve rod, a fixing rod disposed inside the first channel, a supporting block disposed on the valve cover, a prying bar disposed on the supporting block for prying the valve rod, and a limiting device disposed on the valve cover for limiting the downward sliding of the valve rod, and a sealing device is also arranged between the valve cover and the valve rod.
The further improvement is that: the limiting device comprises a limiting rod, a limiting block is fixedly arranged on the valve cover, the limiting rod is arranged in a penetrating mode on the limiting block, the two ends of the limiting rod penetrate out of the limiting block, a plurality of limiting openings for the limiting rod to penetrate into are formed in the valve rod from top to bottom in sequence, and pushing devices used for automatically pushing the limiting rod into the limiting openings are arranged in the limiting block.
The further improvement is that: the pushing device comprises a pushing block, a second channel is formed in the limiting block, the pushing block is fixedly sleeved on the limiting rod and located in the second channel, and a return device is arranged between the limiting block and the pushing block.
The further improvement is that: the return device comprises a return spring, one end of the return spring is fixedly connected with the pushing block, and the other end of the return spring is fixedly connected with the inner wall of the second channel.
The further improvement is that: the jacking device comprises a fixed plate, a third channel is formed in the valve cover, the fixed plate is fixedly sleeved on the valve rod, and an elastic compression device is arranged between the fixed plate and the valve cover.
The further improvement is that: the compression device comprises a compression spring, one end of the compression spring is connected with the fixing plate, and the other end of the compression spring is fixedly connected with the inner wall of the third channel.
The further improvement is that: the limiting opening is matched with the opening height position of the valve clack.
The further improvement is that: an opening and closing pressure rod is fixedly arranged on the prying rod.
The further improvement is that: and a pulling plate is fixedly arranged on the limiting rod.
The further improvement is that: the supporting block is fixedly provided with a screw, and the supporting block is arranged on the valve cover through the screw in a threaded connection mode.
The further improvement is that: the sealing device is a sealing sleeve.
The utility model has the advantages and the beneficial effects that:
1. simple structure, convenient to use, when opening the stop valve, it is convenient promptly, quick again, makes its labour saving very when opening through lever principle moreover, further makes things convenient for the staff to open.
2. The service life of the valve rod is prolonged. Compared with the traditional thread opening mode, the stop valve has the advantages that the use failure rate is reduced, the service life of the valve rod is prolonged, and the maintenance cost of the stop valve is reduced.
3. The opening height position of the limiting port matching valve clack is arranged, so that a worker can conveniently control the size of a channel for opening the stop valve.
4. After the stop valve is closed, the prying rod and the supporting block can be taken down, and the stop valve is prevented from being pried open by others.
Drawings
Fig. 1 is the utility model discloses an improved generation stop valve closes part structure sketch map of cutting open.
Fig. 2 is an enlarged schematic structural diagram of embodiment a of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-2, an improved stop valve includes a valve body 1, a valve cover 2 disposed on the valve body 1, a water inlet channel 3 and a water outlet channel 4 radially disposed along the valve body 1, a valve flap 51 disposed between the water inlet channel 3 and the water outlet channel 4 and used for cutting off fluid, a valve rod 5 disposed inside the valve body 1 above the valve flap 51, one end of the valve rod 5 fixedly connected to the valve flap 51, the other end of the valve rod 5 penetrating through the valve cover 2, a first channel communicated with the outside and disposed outside the valve cover 2 and located outside the valve rod 5, a fixing rod 16 fixedly disposed in the first channel and located on the valve rod 5, a supporting block 19 disposed on the valve cover 2, a prying bar 17 pressed on the supporting block 19 and used for prying the valve rod 5, and a limiting device disposed on the valve cover 2 and used for limiting the downward sliding of the valve rod 5, the limiting device comprises a limiting rod 12, a limiting block 13 is fixedly arranged on the valve cover 2, the limiting rod 12 penetrates through the limiting block 13, two ends of the limiting rod penetrate out of the limiting block 13, a plurality of limiting openings 9 for the limiting rod 12 to penetrate are sequentially formed in the valve rod 5 from top to bottom, a pushing device for automatically pushing the limiting rod 12 into the limiting openings 9 is arranged in the limiting block 13, the pushing device comprises a pushing block 14, a second channel is formed in the limiting block 13, the pushing block 14 is fixedly sleeved on the limiting rod 12 and is positioned in the second channel, a return spring 15 is arranged between the limiting block 13 and the pushing block 14, one end of the return spring 15 is fixedly connected with the pushing block 14, the other end of the return spring 15 is fixedly connected with the inner wall of the second channel, and a jacking device for enabling the valve clack 51 to be tightly closed is arranged on the valve rod 5, the jacking device comprises a fixing plate 7, a third channel is formed in the valve cover 2, the fixing plate 7 is fixedly sleeved on the valve rod 5, an elastic compression spring 10 is arranged between the fixing plate 7 and the valve cover 2, one end of the compression spring 10 is connected with the fixing plate 7, the other end of the compression spring 10 is fixedly connected with the inner wall of the third channel, and a sealing sleeve 6 for preventing water leakage is further arranged between the valve cover 2 and the valve rod 5. When the automatic check valve is used, the prying bar 17 is inserted into the first channel of the valve rod 5, the prying bar 17 is spanned on the supporting block 19, the valve rod 5 is pried, the valve rod 5 moves upwards to drive the valve clack 51 to be opened, then the limiting rod 12 is used for limiting, the valve rod 5 is prevented from automatically returning, and the check valve is opened at the moment. When the stop valve is closed, only the limiting rod 12 needs to be pulled to return, and then the valve rod 5 returns under the action of the compression spring 10 to drive the valve clack 51 to seal the channel.
In order to facilitate the control of the size of the channel for opening the stop valve by the staff, the limit port 9 is matched with the opening height position of the valve clack 51.
In order to facilitate prying of the prying bar 17, an opening and closing pressure lever 18 is fixedly arranged on the prying bar 17.
In order to conveniently pull the limiting rod 12, a pull plate 11 is fixedly arranged on the limiting rod 12.
In order to prevent the stop valve from being pried open by others, a screw 20 is fixedly arranged on the supporting block 19, and the supporting block 19 is arranged on the valve cover 2 through the screw 20 in a threaded connection manner.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.
Claims (11)
1. The utility model provides an improved generation stop valve, include the valve body, set up in valve gap on the valve body, along radial inhalant canal and the exhalant canal of seting up of valve body, set up in inhalant canal with be used for cutting fluidic valve clack between the exhalant canal, the valve clack top is located the inside valve rod that is equipped with of valve body, valve rod one end with valve clack fixed connection, the valve rod other end is worn out the valve gap, its characterized in that: the valve comprises a valve rod, a valve cover and a valve rod, wherein a jacking device used for enabling the valve clack to be tightly closed is arranged on the valve rod, a first channel communicated with the outside is formed outside the valve rod and located on the valve cover, a fixing rod is fixedly arranged in the first channel, a supporting block is arranged on the valve cover, a prying rod used for prying the valve rod is arranged on the supporting block in a pressing mode, a limiting device used for limiting the valve rod to slide downwards is further arranged on the valve cover, and a sealing device is further arranged between the valve cover and the valve rod.
2. An improved shut-off valve as defined in claim 1, wherein: the limiting device comprises a limiting rod, a limiting block is fixedly arranged on the valve cover, the limiting rod is arranged in a penetrating mode on the limiting block, the two ends of the limiting rod penetrate out of the limiting block, a plurality of limiting openings for the limiting rod to penetrate into are formed in the valve rod from top to bottom in sequence, and pushing devices used for automatically pushing the limiting rod into the limiting openings are arranged in the limiting block.
3. An improved shut-off valve as defined in claim 2, wherein: the pushing device comprises a pushing block, a second channel is formed in the limiting block, the pushing block is fixedly sleeved on the limiting rod and located in the second channel, and a return device is arranged between the limiting block and the pushing block.
4. An improved shut-off valve as defined in claim 3, wherein: the return device comprises a return spring, one end of the return spring is fixedly connected with the pushing block, and the other end of the return spring is fixedly connected with the inner wall of the second channel.
5. An improved shut-off valve as defined in claim 1, wherein: the jacking device comprises a fixed plate, a third channel is formed in the valve cover, the fixed plate is fixedly sleeved on the valve rod, and an elastic compression device is arranged between the fixed plate and the valve cover.
6. An improved shut-off valve as defined in claim 5, wherein: the compression device comprises a compression spring, one end of the compression spring is connected with the fixing plate, and the other end of the compression spring is fixedly connected with the inner wall of the third channel.
7. An improved shut-off valve as defined in claim 2, wherein: the limiting opening is matched with the opening height position of the valve clack.
8. An improved shut-off valve as defined in claim 1, wherein: an opening and closing pressure rod is fixedly arranged on the prying rod.
9. An improved shut-off valve as defined in claim 2, wherein: and a pulling plate is fixedly arranged on the limiting rod.
10. An improved shut-off valve as defined in claim 1, wherein: the supporting block is fixedly provided with a screw, and the supporting block is arranged on the valve cover through the screw in a threaded connection mode.
11. An improved shut-off valve as defined in claim 1, wherein: the sealing device is a sealing sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120920755.9U CN215110529U (en) | 2021-04-29 | 2021-04-29 | Improved stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120920755.9U CN215110529U (en) | 2021-04-29 | 2021-04-29 | Improved stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215110529U true CN215110529U (en) | 2021-12-10 |
Family
ID=79290839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120920755.9U Active CN215110529U (en) | 2021-04-29 | 2021-04-29 | Improved stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215110529U (en) |
-
2021
- 2021-04-29 CN CN202120920755.9U patent/CN215110529U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |