CN217736368U - Micro-resistance slow-closing silencing check valve - Google Patents
Micro-resistance slow-closing silencing check valve Download PDFInfo
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- CN217736368U CN217736368U CN202221327357.7U CN202221327357U CN217736368U CN 217736368 U CN217736368 U CN 217736368U CN 202221327357 U CN202221327357 U CN 202221327357U CN 217736368 U CN217736368 U CN 217736368U
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Abstract
The utility model relates to a micro-resistance slow-closing silencing check valve, which comprises a check valve body, a valve cover detachably arranged at the upper side of the check valve body, a water inlet channel and a water outlet channel which are arranged in the check valve body along the axial direction of the check valve body, a water inlet valve seat arranged on the check valve body and positioned at the position of the water inlet channel, a water outlet valve seat arranged on the check valve body and positioned at the position of the water outlet channel, and a valve plate arranged between the water inlet valve seat and the water outlet valve seat, the valve plate and be provided with between the valve gap and be used for the drive the valve gap keeps the downward motion trend and with intake valve seat reaches outlet valve seat matched with resilient means.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to little resistance slowly closes noise elimination check valve.
Background
The silencing check valve is a valve which automatically opens and closes a valve clack depending on the flow of fluid and is used for preventing the backflow of the fluid, and is also called a check valve, a one-way valve, a silencing check valve backflow valve and a back pressure valve. The check valve is an automatic valve, and mainly functions to prevent the reverse flow of fluid, prevent the reverse rotation of a pump and a driving motor, and discharge the fluid from a container. Check valves may also be used to provide make-up lines to auxiliary systems where the pressure may rise above the system pressure.
The existing check valve is generally characterized in that the valve clack is fixedly connected with the valve rod, when fluid flows, the valve rod drives the valve clack to slide in the valve body to complete automatic opening and closing, the check valve adopting the mode is poor in precision and low in coaxiality, the valve rod and the valve clack are easily damaged, resources are wasted, and meanwhile, after the valve rod and the valve plate of the existing check valve are damaged, the existing check valve is not convenient to detach, replace and maintain.
SUMMERY OF THE UTILITY MODEL
Therefore, in view of the above problems, the present invention provides a micro-resistance slow-closing silencing check valve.
In order to realize the technical problem, the solution adopted by the utility model is a micro-resistance slow-closing silencing check valve, which comprises a check valve body, a valve cover which is detachably arranged at the upper side of the check valve body, a water inlet channel and a water outlet channel which are arranged in the check valve body along the axial direction of the check valve body, a water inlet valve seat which is arranged on the check valve body and is positioned at the position of the water inlet channel, a water outlet valve seat which is arranged on the check valve body and is positioned at the position of the water outlet channel, and a valve plate which is arranged between the water inlet valve seat and the water outlet valve seat, the valve plate and be provided with between the valve gap and be used for the drive the valve gap keeps the downward motion trend and with intake valve seat reaches outlet valve seat matched with resilient means.
The further improvement is that: the valve comprises a valve body and a valve cover, wherein the valve body is provided with a valve body, the valve cover is arranged at the lower end of the valve body, the valve body is provided with a valve rod, the valve rod is arranged in the valve cover, the valve cover is arranged at the lower end of the valve body, the valve rod is arranged in the valve cover, the valve cover is arranged at the upper end of the valve rod, and the valve body is provided with a mounting device which is used for positioning and mounting the lower end part of the valve rod in a detachable mode.
The further improvement is that: the installation device is as follows: can dismantle through the bolt set up in the mount pad of valve body lower extreme, the mount pad upper end is provided with and is used for the location installation the second mounting groove of valve rod lower extreme.
The further improvement is that: and a first sealing element for preventing leakage is arranged between the side wall of the upper end part of the mounting seat and the check valve body.
The further improvement is that: the elastic device is a compression spring, the compression spring is sleeved on the valve rod, one end of the compression spring abuts against the upper end face of the valve plate, and the other end of the compression spring abuts against the lower end of the valve cover.
The further improvement is that: and an anti-friction device used for limiting the lower end of the valve cover to be directly abutted against and contacted with and rubbed by the upper end of the compression spring is arranged between the compression spring and the valve cover.
The further improvement is that: the anti-friction device is as follows: the elastic gasket is sleeved on the valve rod, the upper end of the elastic gasket abuts against the lower end face of the valve cover, and the lower end face of the elastic gasket abuts against the upper end of the compression spring.
The further improvement is that: the valve rod with the valve plate directly is provided with and is used for being convenient for the sliding member that the valve plate slided, sliding member locates for the cover sliding pipe on the valve rod, sliding pipe upper end and lateral wall with the valve plate directly can dismantle the connection through the screw thread.
The further improvement is that: and a second sealing element for preventing fluid leakage is arranged between the inner side wall of the lower end of the sliding pipe and the valve rod.
The further improvement is that: the valve plate lower extreme is provided with first elastic component, intake the disk seat reach be provided with on the play disk seat with the second elastic component of first elastic component mutually supporting.
By adopting the technical scheme, the beneficial effects of the utility model are that: the utility model discloses well valve plate can gliding setting on the valve rod, and the valve rod is then fixed setting between valve gap and mount pad, and the valve plate can slide, can accomplish automatic start and stop, and the valve rod no longer removes this moment, and its precision and axiality can no longer change, have reduced the probability that valve rod and valve plate damaged, have improved the life of valve clack and valve rod.
The further effects are as follows: be provided with the sliding part, through sliding part and valve rod cooperation, improved the life of valve clack.
The further effects are as follows: the valve plate lower extreme is provided with first elastic component, is provided with the second elastic component of mutually supporting with first elastic component on intake valve seat and the play water disk seat, when opening suddenly or closing the valve and appearing the water hammer phenomenon, can contact each other through first elastic component and second elastic component, can effectually reduce the valve plate impaired, reduces the sound when the valve plate suddenly closed simultaneously.
Drawings
FIG. 1 is a schematic structural view of a check valve body according to an embodiment of the present invention when a valve plate is not closed;
FIG. 2 is a schematic structural view of a check valve body according to an embodiment of the present invention when a valve plate is closed;
fig. 3 is a partial enlarged view of a portion corresponding to a in fig. 2 according to an embodiment of the present invention.
Detailed Description
The present invention will now be further described with reference to the accompanying drawings and specific embodiments.
Example (c);
referring to fig. 1 to 3, a micro-resistance slow-closing silencing check valve comprises a check valve body 1, a valve cover 2 detachably disposed on the upper side of the check valve body 1, a water inlet channel 3 and a water outlet channel 4 opened in the check valve body 1 along the axial direction of the check valve body 1, a water inlet valve seat 5 disposed on the check valve body 1 and located at the position of the water inlet channel 3, a water outlet valve seat 6 disposed on the check valve body 1 and located at the position of the water outlet channel 4, and a valve plate 7 disposed between the water inlet valve seat 5 and the water outlet valve seat 6, wherein a valve rod 8 is disposed between the water inlet valve seat 5 and the water outlet valve seat 6, the valve rod 8 is radially disposed in the check valve body along the check valve body 1, valve plate 7 can slide from top to bottom set up in on the valve rod 8, valve plate 7 with be provided with between valve gap 2 and be used for the drive valve gap 2 keep the downward motion trend and with intake valve seat 5 reaches go out water valve seat 6 matched with resilient means, resilient means is compression spring 9, compression spring 9 cover is located on the valve rod 8, 9 one end of compression spring support in valve plate 7 up end, the 9 other end of compression spring support in valve gap 2 lower extreme, simultaneously, compression spring 9 with be provided with between valve gap 2 and be used for the restriction valve gap 2 lower extreme receives the direct antifriction device that supports the contact and rub in compression spring 9 upper end, antifriction device does: the elastic gasket 10 is sleeved on the valve rod 8, the upper end of the elastic gasket 10 abuts against the lower end face of the valve cover 2, and the lower end face of the elastic gasket 10 abuts against the upper end of the compression spring 9.
Wherein, in this embodiment, first mounting groove has been seted up to 2 lower extremes of valve gap, 8 upper ends of valve rod are inserted and are located in the first mounting groove, the valve body lower extreme can be dismantled and be provided with and be used for the location installation the installation device of 8 lower tip of valve rod, installation device is: can dismantle through the bolt set up in mount pad 11 of valve body lower extreme, 11 upper ends of mount pad are provided with and are used for the location installation the second mounting groove of 8 lower extremes of valve rods, wherein, in order to prevent to leak, 11 upper end lateral walls of mount pad with be provided with between the check valve body 1 and be used for preventing the first sealing washer 12 of leaking.
In order to facilitate the valve plate 7 not to be damaged when sliding, the valve rod 8 with the valve plate 7 is directly provided with a sliding part for facilitating the sliding of the valve plate 7, the sliding part is located for the cover sliding pipe 13 on the valve rod 8, the upper end and the lateral wall of the sliding pipe 13 and the valve plate 7 are directly detachably connected through threads, the inner side wall of the lower end of the sliding pipe 13 and a second sealing ring 14 for preventing fluid leakage is arranged between the valve rod 8, the lower end of the valve plate 7 is provided with a first elastic cushion 15, and the water inlet valve seat 5 and the water outlet valve seat 6 are provided with a second elastic cushion 16 mutually matched with the first elastic cushion 15.
The above description is only an embodiment utilizing the technical content of the present disclosure, and any modification and variation made by those skilled in the art can be covered by the claims of the present disclosure, and not limited to the embodiments disclosed.
Claims (10)
1. The utility model provides a micro-resistance slowly-closing silencing check valve, include the check valve body, can dismantle set up in the valve gap of check valve body upside, follow check valve body axial direction set up in intake passage and water outlet channel in the check valve body, set up in lie in on the check valve body intake valve seat of intake passage position, set up in lie in on the check valve body water outlet valve seat of water outlet channel position, set up in intake valve seat with valve plate between the water outlet valve seat, its characterized in that: the valve plate and be provided with between the valve gap and be used for the drive the valve gap keeps the downward motion trend and with intake valve seat reaches outlet valve seat matched with resilient means.
2. The micro-resistance slow-closing silencing check valve according to claim 1, characterized in that: the valve comprises a valve body and a valve cover, wherein the valve body is provided with a valve body, the valve cover is arranged at the lower end of the valve body, the valve body is provided with a valve rod, the valve rod is arranged in the valve cover, the valve cover is arranged at the lower end of the valve body, the valve rod is arranged in the valve cover, the valve cover is arranged at the upper end of the valve rod, and the valve body is provided with a mounting device which is used for positioning and mounting the lower end part of the valve rod in a detachable mode.
3. The micro-resistance slow-closing silencing check valve according to claim 2, characterized in that: the installation device is as follows: can dismantle through the bolt set up in the mount pad of valve body lower extreme, the mount pad upper end is provided with and is used for the location installation the second mounting groove of valve rod lower extreme.
4. The micro-resistance slow-closing silencing check valve according to claim 3, characterized in that: and a first sealing element for preventing leakage is arranged between the side wall of the upper end part of the mounting seat and the check valve body.
5. The micro-resistance slow-closing silencing check valve according to claim 1, characterized in that: the elastic device is a compression spring, the compression spring is sleeved on the valve rod, one end of the compression spring abuts against the upper end face of the valve plate, and the other end of the compression spring abuts against the lower end of the valve cover.
6. The micro-resistance slow-closing silencing check valve of claim 5, characterized in that: and an anti-friction device used for limiting the lower end of the valve cover from being directly abutted against and contacted with and rubbed by the upper end of the compression spring is arranged between the compression spring and the valve cover.
7. The micro-resistance slow-closing silencing check valve according to claim 6, wherein: the anti-friction device is as follows: the elastic gasket is sleeved on the valve rod, the upper end of the elastic gasket abuts against the lower end face of the valve cover, and the lower end face of the elastic gasket abuts against the upper end of the compression spring.
8. The micro-resistance slow-closing silencing check valve according to claim 1, characterized in that: the valve rod with the valve plate directly is provided with and is used for being convenient for the sliding member that the valve plate slided, sliding member is located for the cover sliding pipe on the valve rod, sliding pipe upper end and lateral wall with the valve plate directly can dismantle the connection through the screw thread.
9. The micro-resistance slow-closing silencing check valve according to claim 8, wherein: and a second sealing element for preventing fluid leakage is arranged between the inner side wall of the lower end of the sliding pipe and the valve rod.
10. The micro-resistance slow-closing silencing check valve according to claim 1, characterized in that: the valve plate lower extreme is provided with first elastic component, intake the disk seat reach be provided with on the play disk seat with the second elastic component of first elastic component mutually supporting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221327357.7U CN217736368U (en) | 2022-05-30 | 2022-05-30 | Micro-resistance slow-closing silencing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221327357.7U CN217736368U (en) | 2022-05-30 | 2022-05-30 | Micro-resistance slow-closing silencing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736368U true CN217736368U (en) | 2022-11-04 |
Family
ID=83837688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221327357.7U Active CN217736368U (en) | 2022-05-30 | 2022-05-30 | Micro-resistance slow-closing silencing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736368U (en) |
-
2022
- 2022-05-30 CN CN202221327357.7U patent/CN217736368U/en active Active
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