CN217539745U - Check valve and valve clack that this check valve adopted - Google Patents
Check valve and valve clack that this check valve adopted Download PDFInfo
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- CN217539745U CN217539745U CN202220676561.3U CN202220676561U CN217539745U CN 217539745 U CN217539745 U CN 217539745U CN 202220676561 U CN202220676561 U CN 202220676561U CN 217539745 U CN217539745 U CN 217539745U
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Abstract
The utility model provides a simple structure, use cost low valve clack that a check valve and this check valve adopted, valve rod in valve body including the valve body, locating the valve gap on the valve body and locating the valve body, be equipped with the valve clack that is used for fluid medium to dampe on the valve rod, inlet channel and exhalant canal have been seted up in the valve body, be equipped with the disk seat between inlet channel and the exhalant canal, the valve clack is airtight to dampe fluid medium on the disk seat, the valve clack includes the connecting plate, the connecting plate is fixed to be located on the tip of valve rod, be equipped with on the connecting plate and be equipped with the closing plate through fixing device.
Description
Technical Field
The utility model relates to a valve field, in particular to valve clack that check valve and this check valve adopted.
Background
The check valve is a valve which is used for preventing the media from flowing backwards and is a commonly used connecting piece in pipeline connection, and the check valve is a valve which automatically opens and closes a valve clack by the flow of the media. The valve is opened when the inlet pressure is greater than the sum of the weight of the flap and its flow resistance. Otherwise, the valve is closed when the medium flows backwards. Because the valve clack strikes the valve seat when descending and stopping, the valve clack is easy to damage, the check valve is scrapped, and the use cost of a user is improved.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure, use cost low one kind check valve and valve clack that this check valve adopted.
In order to realize the above object, the technical scheme of the utility model provides a check valve, valve rod in valve body is located and the valve gap on the valve body including the valve body, locating the valve gap on the valve body, be equipped with the valve clack that is used for fluid medium to dampe on the valve rod, inhalant canal and exhalant canal have been seted up in the valve body, be equipped with the disk seat between inhalant canal and the exhalant canal, the valve clack is airtight to dampe fluid medium on the disk seat, the valve clack includes the connecting plate, the connecting plate is fixed to be located on the tip of valve rod, be equipped with on the connecting plate and be equipped with the closing plate through fixing device.
The further improvement is that: the fixing device comprises a fixing rod, the sealing plate is sleeved on the fixing rod, the fixing rod is connected with the connecting plate in a penetrating mode through threads, an anti-falling disc for preventing the sealing plate from being separated is arranged on the fixing rod, the end portion of the connecting rod is fixedly arranged on the anti-falling disc, and the anti-falling disc is pressed on the sealing plate.
The further improvement is that: the water flow stopping device is characterized by further comprising a stopping block used for stopping water flow, a sliding rod is fixedly arranged on the stopping block, a sliding channel for the sliding rod to penetrate is formed in the fixed rod, the fixed rod penetrates through the sliding channel, and a connecting piece is further arranged between the sliding rod and the inner wall of the sliding channel.
The further improvement is that: the stop block is provided with a conical surface with a cross section.
The further improvement is that: the sealing plate is internally provided with a first magnetic ring, and the valve seat is provided with a second magnetic ring which is mutually attracted with the first magnetic ring and is positioned at the first magnetic ring of the sealing plate.
The further improvement is that: the valve comprises a valve cover, a valve rod and an elastic piece, wherein the valve cover is fixedly provided with a sliding sleeve, the valve rod is slidably arranged in the sliding sleeve, and the elastic piece is arranged between the sliding sleeve and the valve rod.
A valve flap, characterized in that: the valve clack comprises a connecting plate, the connecting plate is fixedly arranged on the end portion of the external valve rod, and a sealing plate is arranged on the connecting plate through a fixing device.
The further improvement is that: the fixing device comprises a fixing rod, the sealing plate is sleeved on the fixing rod, the fixing rod is connected with the connecting plate in a penetrating mode through threads, an anti-falling disc for preventing the sealing plate from being separated is arranged on the fixing rod, the end portion of the connecting rod is fixedly arranged on the anti-falling disc, and the anti-falling disc is pressed on the sealing plate.
The further improvement is that: the water flow stopping device is characterized by further comprising a stopping block used for stopping water flow, a sliding rod is fixedly arranged on the stopping block, a sliding channel for the sliding rod to penetrate is formed in the fixed rod, the fixed rod penetrates through the sliding channel, and a connecting piece is further arranged between the sliding rod and the inner wall of the sliding channel.
The further improvement is that: the stop block is provided with a conical surface with a cross section.
The further improvement is that: the sealing plate is internally provided with a first magnetic ring, and the valve seat is provided with a second magnetic ring which is mutually attracted with the first magnetic ring and is positioned at the first magnetic ring of the sealing plate.
The utility model has the advantages and beneficial effects that:
1. simple structure and convenient use. The rubber sealing plate on the valve clack is convenient to replace after being damaged, and the long-term use of the check valve is facilitated.
2. The stop block can prevent water flow from impacting the valve clack and damaging the valve clack, and is favorable for prolonging the service life of the valve clack.
3. The first magnetic ring in the closing plate and the second magnetic ring of disk seat can inhale mutually, are favorable to the better sealed of check valve.
Drawings
Fig. 1 is the utility model discloses a check valve structure schematic diagram 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 and 2, a check valve comprises a valve body 1, a fixed rod 9, a valve cover 4 arranged on the valve body 1, and a valve rod 6 arranged in the valve body 1, wherein a valve clack used for intercepting fluid medium is arranged on the valve rod 6, a water inlet channel 2 and a water outlet channel 3 are arranged in the valve body 1, a valve seat is arranged between the water inlet channel 2 and the water outlet channel 3, the valve clack is closed on the valve seat to intercept the fluid medium, the valve clack comprises a connecting plate 7, the connecting plate 7 is fixedly arranged on the end part of the valve rod 6, a rubber sealing plate 8 is arranged on the connecting plate 7, the rubber sealing plate 8 is sleeved on the fixed rod 9, the fixed rod 9 is in a threaded connection mode and is arranged on the connecting plate 7, an anti-falling plate 10 used for preventing the rubber sealing plate 8 from being separated from the fixed on the end part of the connecting rod is arranged on the end part of the connecting rod, and the anti-falling plate 10 is pressed on the rubber sealing plate 8. Wherein, establish on dead lever 9 through 8 covers of rubber seal board, then set up on connecting plate 7 through dead lever 9 for rubber seal board 8 uses the damage back for a long time, directly opens valve gap 4 and takes out valve rod 6, then carries out rubber seal board 8's change, not only easy operation when changing, it is convenient to change moreover, can use after changing, is favorable to staff's maintenance and user's use.
In order to prevent water impact on the rubber sealing plate 8, destroy the rubber sealing plate 8 and influence the service life thereof, the rubber sealing plate further comprises a blocking block 13 for blocking water, a sliding rod 14 is fixedly arranged on the blocking block 13, a sliding channel 11 for the sliding rod 14 to penetrate is arranged on the fixing rod 9, the fixing rod 9 is arranged in the sliding channel 11 in a penetrating manner, a connecting spring 12 is further arranged between the inner wall of the sliding rod 14 and the sliding channel 11, one end of the connecting spring 12 is fixedly connected with the sliding rod 14, and the other end of the connecting spring 12 is fixedly connected with the inner wall of the sliding channel 11.
In order to further reduce the impact force of the water flow, the stop block 13 is provided with a conical surface 15 with a cross section.
In order to improve the sealing performance of the valve flap, a first magnetic ring 16 is arranged in the rubber sealing plate 8, and a second magnetic ring 17 attracted with the first magnetic ring 16 is arranged on the valve seat and positioned at the first magnetic ring 16 of the rubber sealing plate 8. The first magnetic ring 16 and the second magnetic ring 17 are attracted to each other, so that the valve clack can be better hermetically pressed on the valve seat, and the sealing performance of the check valve is improved.
In order to further improve the sealing of the valve clack, a sliding sleeve 7 is fixedly arranged on the valve cover 4, the valve rod 6 is slidably arranged in the sliding sleeve 7, and a compression spring 5 is arranged between the sliding sleeve 7 and the valve rod 6.
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 (10)
1. The utility model provides a check valve, includes the valve body, locates the valve gap on the valve body and locates the valve rod in the valve body, be equipped with the valve clack that is used for fluid medium to dampen on the valve rod, seted up inhalant canal and exhalant canal in the valve body, be equipped with the disk seat between inhalant canal and the exhalant canal, the valve clack is airtight to dampen fluid medium on the disk seat, its characterized in that: the valve clack comprises a connecting plate, the connecting plate is fixedly arranged on the end part of the valve rod, and a sealing plate is arranged on the connecting plate through a fixing device.
2. A check valve as claimed in claim 1, wherein: the fixing device comprises a fixing rod, the sealing plate is sleeved on the fixing rod, the fixing rod is connected with the connecting plate in a penetrating mode through threads, an anti-falling disc for preventing the sealing plate from being separated is arranged on the fixing rod, the end portion of the connecting rod is fixedly arranged on the anti-falling disc, and the anti-falling disc is arranged on the sealing plate in a pressing mode.
3. A check valve as claimed in claim 2, wherein: the water flow stopping device is characterized by further comprising a stopping block used for stopping water flow, a sliding rod is fixedly arranged on the stopping block, a sliding channel for the sliding rod to penetrate is formed in the fixed rod, the fixed rod penetrates through the sliding channel, and a connecting piece is further arranged between the sliding rod and the inner wall of the sliding channel.
4. A check valve as claimed in claim 3, wherein: the stop block is provided with a conical surface with a cross section.
5. A check valve as claimed in claim 2, wherein: the sealing plate is internally provided with a first magnetic ring, and the valve seat is provided with a second magnetic ring which is mutually attracted with the first magnetic ring and is positioned at the first magnetic ring of the sealing plate.
6. A check valve as claimed in claim 1, wherein: the valve comprises a valve cover, a valve rod and an elastic piece, wherein the valve cover is fixedly provided with a sliding sleeve, the valve rod is slidably arranged in the sliding sleeve, and the elastic piece is arranged between the sliding sleeve and the valve rod.
7. A valve flap, characterized by: the valve clack comprises a connecting plate, the connecting plate is fixedly arranged on the end portion of the external valve rod, and a sealing plate is arranged on the connecting plate through a fixing device.
8. A valve flap according to claim 7, characterized in that: the fixing device comprises a fixing rod, the sealing plate is sleeved on the fixing rod, the fixing rod is connected with the connecting plate in a penetrating mode through threads, an anti-falling disc for preventing the sealing plate from being separated is arranged on the fixing rod, the end portion of the connecting rod is fixedly arranged on the anti-falling disc, and the anti-falling disc is arranged on the sealing plate in a pressing mode.
9. A valve flap according to claim 8, characterized in that: the water flow stopping device is characterized by further comprising a stopping block used for stopping water flow, a sliding rod is fixedly arranged on the stopping block, a sliding channel for the sliding rod to penetrate is formed in the fixed rod, the fixed rod penetrates through the sliding channel, and a connecting piece is further arranged between the sliding rod and the inner wall of the sliding channel.
10. A valve flap according to claim 9, characterized in that: the stop block is provided with a conical surface with a cross section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676561.3U CN217539745U (en) | 2022-03-24 | 2022-03-24 | Check valve and valve clack that this check valve adopted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220676561.3U CN217539745U (en) | 2022-03-24 | 2022-03-24 | Check valve and valve clack that this check valve adopted |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539745U true CN217539745U (en) | 2022-10-04 |
Family
ID=83429110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220676561.3U Active CN217539745U (en) | 2022-03-24 | 2022-03-24 | Check valve and valve clack that this check valve adopted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539745U (en) |
-
2022
- 2022-03-24 CN CN202220676561.3U patent/CN217539745U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |