CN214036994U - Soft and hard double-sealed high-temperature check valve - Google Patents
Soft and hard double-sealed high-temperature check valve Download PDFInfo
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- CN214036994U CN214036994U CN202120093151.1U CN202120093151U CN214036994U CN 214036994 U CN214036994 U CN 214036994U CN 202120093151 U CN202120093151 U CN 202120093151U CN 214036994 U CN214036994 U CN 214036994U
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Abstract
A soft and hard double-sealed high-temperature check valve comprises a valve seat, a sealing plate, a valve clack, a sliding plate, a clamping plate, a valve body, an elastic part, a mounting plate and a guide plate; the sealing plate is connected with the inner circumferential surface of the valve seat; the valve body is provided with an annular groove; the annular groove is provided with an annular opening on the valve body; the elastic piece is arranged in the annular groove in a matching way; the end face of the valve clack far away from the sealing plate is connected with an elastic piece; the mounting plate is arranged on the valve body; the guide plate is connected with the end face, far away from the sealing plate, of the mounting plate, and the end face, far away from the mounting plate, of the guide plate protrudes towards the direction far away from the mounting plate to form a limiting face; the maximum distance between the limiting surface and the mounting plate is provided with a clamping groove; the sliding plate is detachably connected with the valve seat clamping plate and is connected with the sliding plate. The utility model discloses carry out sealing connection to disk seat and valve body, improve the leakproofness of check valve, prolong the practical life of check valve.
Description
Technical Field
The utility model relates to an industrial valve technical field especially relates to a soft or hard double seal's high temperature check valve.
Background
The check valve is widely applied in the technical field of modern manufacturing engineering, and is a valve which automatically opens and closes a valve clack by the flow of a medium and is used for preventing the medium in a pipeline from flowing backwards; the valve clack of the check valve is opened under the action of fluid pressure, and the fluid flows from the inlet side to the outlet side; when the pressure at the inlet side is lower than that at the outlet side, the valve clack automatically closes under the action of fluid pressure difference, self gravity and other factors to prevent the fluid from flowing backwards.
One problem often encountered with the check valves commonly used today is that: the valve flap can not normally operate in high-temperature fluid and has short service life and the like, and the main reason is that the valve flap can not meet the market demand because of insufficient sealing performance.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For the technical problem who exists among the solution background art, the utility model provides a soft or hard double seal's high temperature check valve, the utility model discloses carry out sealing connection to disk seat and valve body, improve the leakproofness of check valve, prolong the practical life of check valve.
(II) technical scheme
The utility model provides a soft and hard double-sealed high-temperature check valve, which comprises a valve seat, a sealing plate, a valve clack, a sliding plate, a clamping plate, a valve body, an elastic part, a mounting plate and a guide plate;
the sealing plate is an annular plate and is connected with the inner circumferential surface of the valve seat;
the valve body is provided with an annular groove; the annular groove is provided with an annular opening on the valve body; the elastic piece is annular and is arranged in the annular groove in a matching way; the end face of the valve clack facing the sealing plate is tightly pressed with the sealing plate, and the end face of the valve clack far away from the sealing plate is connected with the elastic piece;
the mounting plate is an annular plate and is mounted on the valve body; the guide plates are arranged in two groups, the two groups of guide plates are connected with the end surfaces, far away from the sealing plate, of the mounting plate, the two groups of guide plates are symmetrically distributed by taking the central axis of the mounting plate as an axis, and the end surfaces, far away from the mounting plate, of the two groups of guide plates are protruded towards the direction far away from the mounting plate to form limiting surfaces; the maximum distance between each group of limiting surfaces and the mounting plate is provided with a clamping groove;
the sliding plates and the clamping plates are respectively provided with two groups, the two groups of sliding plates can be detachably connected with the peripheral surface of the valve seat, and the two groups of sliding plates are symmetrically distributed by taking the central axis of the valve seat as the center; the two groups of clamping plates are respectively and correspondingly connected with the two groups of sliding plates, and the two groups of clamping plates are respectively clamped into the two groups of clamping grooves in a matched mode to form a limiting structure.
Preferably, the device further comprises a bolt;
two groups of sliding grooves are symmetrically arranged on the peripheral surface of the valve seat; each group of sliding chutes are provided with threaded blind holes on the valve seat; the two groups of sliding plates are respectively connected with the two groups of sliding grooves in a sliding manner, and each group of sliding plates is provided with a through hole; the bolts are provided with two groups, and each group of bolts respectively penetrates through one group of through holes and is screwed into the corresponding threaded blind holes to form a detachable connecting structure.
Preferably, the end face of the mounting plate, which is far away from the two groups of guide plates, is provided with an indication direction indicator.
Preferably, a sealing gasket is arranged on the end face, pressed by the valve clack and the sealing plate.
Preferably, each group of sliding plates and the clamping plate connected with the sliding plates are of an integrally formed structure.
Preferably, the mounting plate and the two groups of guide plates are of an integrally formed structure.
Preferably, elastic pads are arranged in the two groups of clamping grooves.
Compared with the prior art, the above technical scheme of the utility model following profitable technological effect has:
in the utility model, when in use, the elastic piece is installed in the annular groove in a matching way, the valve seat is rotated, so that the two groups of clamping plates are slidably connected with the limiting surfaces of the two groups of guide plates, until the two groups of clamping plates are respectively clamped into the two groups of clamping grooves correspondingly, the sealing plate pushes the valve clack to compress the elastic piece, the elastic piece pushes the sealing plate, so that the sealing plate is pressed against the valve clack, the sealing property between the sealing plate and the valve clack is improved, and when the valve clack deforms under the high-temperature condition, the elastic piece pushes; the utility model discloses carry out sealing connection to disk seat and valve body, improve the leakproofness of check valve, prolong the practical life of check valve.
Drawings
Fig. 1 is a schematic structural view of the soft and hard double-sealed high-temperature check valve of the present invention.
Reference numerals: 1. a valve seat; 101. a chute; 2. a sealing plate; 3. a valve flap; 4. a bolt; 5. a sliding plate; 6. clamping a plate; 7. a valve body; 701. an annular groove; 8. an elastic member; 9. mounting a plate; 10. a guide plate; 1001. a clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1, the soft and hard double-sealed high-temperature check valve provided by the present invention comprises a valve seat 1, a sealing plate 2, a valve flap 3, a sliding plate 5, a clamping plate 6, a valve body 7, an elastic member 8, a mounting plate 9 and a guide plate 10;
the sealing plate 2 is an annular plate, and the sealing plate 2 is connected with the inner circumferential surface of the valve seat 1;
an annular groove 701 is formed in the valve body 7; the annular groove 701 is provided with an annular opening on the valve body 7; the elastic part 8 is annular, and the elastic part 8 is arranged in the annular groove 701 in a matching way; the end face of the valve clack 3 facing the sealing plate 2 is tightly pressed with the sealing plate 2, and the end face of the valve clack 3 far away from the sealing plate 2 is connected with an elastic piece 8; the valve clack 3, the elastic piece 8 and the sealing plate 2 are made of high-temperature resistant materials;
the mounting plate 9 is an annular plate, and the mounting plate 9 is mounted on the valve body 7; the two groups of guide plates 10 are arranged, the two groups of guide plates 10 are both connected with the end surface of the mounting plate 9 far away from the sealing plate 2, the two groups of guide plates 10 are symmetrically distributed by taking the central axis of the mounting plate 9 as an axis, and the end surfaces of the two groups of guide plates 10 far away from the mounting plate 9 are both protruded towards the direction far away from the mounting plate 9 to form a limiting surface; the maximum distance between each group of limiting surfaces and the mounting plate 9 is provided with a clamping groove 1001;
the sliding plates 5 and the clamping plates 6 are respectively provided with two groups, the two groups of sliding plates 5 can be detachably connected with the peripheral surface of the valve seat 1, and the two groups of sliding plates 5 are symmetrically distributed by taking the central axis of the valve seat 1 as the center; the two groups of clamping plates 6 are respectively and correspondingly connected with the two groups of sliding plates 5, and the two groups of clamping plates 6 are respectively clamped into the two groups of clamping grooves 1001 in a matched mode to form a limiting structure.
In the utility model, when in use, the elastic part 8 is installed in the annular groove 701 in a matching way, the valve seat 1 is rotated, so that the two groups of clamping plates 6 are slidably connected with the limiting surfaces of the two groups of guide plates 10, until the two groups of clamping plates 6 are respectively correspondingly clamped into the two groups of clamping grooves 1001, the sealing plate 2 pushes the valve clack 3 to compress the elastic part 8, the elastic part 8 pushes the sealing plate 2, so that the sealing plate 2 is tightly pressed with the valve clack 3, the sealing performance between the sealing plate 2 and the valve clack 3 is improved, and when the valve clack 3 deforms under the high-temperature condition, the elastic part 8 pushes the valve clack 3 to continue to be tightly pressed with the sealing plate 2; the utility model discloses carry out sealing connection to disk seat and valve body, improve the leakproofness of check valve, prolong the practical life of check valve.
In an alternative embodiment, a bolt 4 is also included;
two groups of sliding grooves 101 are symmetrically arranged on the peripheral surface of the valve seat 1; each group of sliding grooves 101 is provided with a threaded blind hole on the valve seat 1; the two groups of sliding plates 5 are respectively connected with the two groups of sliding grooves 101 in a sliding manner, and each group of sliding plates 5 is provided with a through hole; the bolts 4 are provided with two groups, and each group of bolts 4 respectively penetrate through one group of through holes and are screwed into the corresponding threaded blind holes to form a detachable connecting structure.
Before use, the sliding plate 5 is slid, the bolt 4 is screwed into the threaded blind hole through the through hole in a threaded manner, and the sliding plate 5 is fixed; when the device is required to be disassembled, the bolt 4 is rotated until the bolt 4 is separated from the threaded blind hole, and the sliding plate 5 is slidably connected with the outer peripheral surface of the valve seat 1, so that the clamping plate 6 is withdrawn from the clamping groove 1001 to facilitate the disassembly of the device.
In an alternative embodiment, the end surface of the mounting plate 9 far away from the two groups of guide plates 10 is provided with an indication direction mark; the user can install and use the device conveniently.
In an alternative embodiment, a sealing gasket is arranged on the end face, pressed against the sealing plate 2, of the valve flap 3; make the leakproofness of valve clack 3 and closing plate 2 better, avoid liquid to press from the face infiltration of compressing tightly of valve clack 3 and closing plate 2.
In an alternative embodiment, each set of sliding plates 5 and the set of clamping plates 6 connected with the sliding plates are all of an integrally formed structure; the integrally formed sliding plate 5 is more firmly connected with the clamping plate 6 connected with the sliding plate, so that the service life of the sliding plate 5 and the clamping plate 6 connected with the sliding plate is prolonged.
In an alternative embodiment, the mounting plate 9 and the two sets of guide plates 10 are formed integrally; the integrally formed mounting plate 9 and the two groups of guide plates 10 are connected more firmly, and the service life of the mounting plate 9 and the service life of the two groups of guide plates 10 are prolonged.
In an alternative embodiment, elastic pads are disposed in both sets of slots 1001; when valve clack 3 is heated and takes place deformation, the cushion can assist and promote two sets of cardboard 6 and make closing plate 2 compress tightly with valve clack 3 all the time.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (7)
1. A soft and hard double-sealed high-temperature check valve is characterized by comprising a valve seat (1), a sealing plate (2), a valve clack (3), a sliding plate (5), a clamping plate (6), a valve body (7), an elastic piece (8), a mounting plate (9) and a guide plate (10);
the sealing plate (2) is an annular plate, and the sealing plate (2) is connected with the inner circumferential surface of the valve seat (1);
an annular groove (701) is arranged on the valve body (7); the annular groove (701) is provided with an annular opening on the valve body (7); the elastic piece (8) is annular, and the elastic piece (8) is arranged in the annular groove (701) in a matching way; the end face of the valve flap (3) facing the sealing plate (2) is tightly pressed with the sealing plate (2), and the end face of the valve flap (3) far away from the sealing plate (2) is connected with an elastic piece (8);
the mounting plate (9) is an annular plate, and the mounting plate (9) is mounted on the valve body (7); two groups of guide plates (10) are arranged, the two groups of guide plates (10) are connected with the end surface of the mounting plate (9) far away from the sealing plate (2), the two groups of guide plates (10) are symmetrically distributed by taking the central axis of the mounting plate (9) as the axis, and the end surfaces of the two groups of guide plates (10) far away from the mounting plate (9) are protruded towards the direction far away from the mounting plate (9) to form a limiting surface; the maximum distance between each group of limiting surfaces and the mounting plate (9) is provided with a clamping groove (1001);
the sliding plates (5) and the clamping plates (6) are respectively provided with two groups, the two groups of sliding plates (5) can be detachably connected with the peripheral surface of the valve seat (1), and the two groups of sliding plates (5) are symmetrically distributed by taking the central axis of the valve seat (1) as the center; the two groups of clamping plates (6) are respectively and correspondingly connected with the two groups of sliding plates (5), and the two groups of clamping plates (6) are respectively matched and clamped into the two groups of clamping grooves (1001) to form a limiting structure.
2. A soft and hard double sealed high temperature check valve according to claim 1 further comprising bolts (4);
two groups of sliding grooves (101) are symmetrically arranged on the peripheral surface of the valve seat (1); each group of sliding grooves (101) is provided with a threaded blind hole on the valve seat (1); the two groups of sliding plates (5) are respectively connected with the two groups of sliding grooves (101) in a sliding manner, and each group of sliding plates (5) is provided with a through hole; the bolts (4) are provided with two groups, and each group of bolts (4) respectively penetrate through one group of through holes and are screwed into the corresponding threaded blind holes to form a detachable connecting structure.
3. A soft and hard double sealed high temperature check valve according to claim 1, characterized in that the end surface of the mounting plate (9) far from the two sets of guide plates (10) is provided with a direction indicating mark.
4. The high-temperature check valve with soft and hard double seals according to claim 1, characterized in that the sealing gasket is arranged on the end face of the valve clack (3) pressed against the sealing plate (2).
5. A soft and hard double sealed high temperature check valve according to claim 1, characterized in that each set of sliding plates (5) and the set of clamping plates (6) connected with the sliding plates are all of an integral structure.
6. A soft and hard double sealed high temperature check valve according to claim 1 wherein the mounting plate (9) and the two sets of guide plates (10) are of integral construction.
7. The soft and hard double sealed high temperature check valve according to claim 1, wherein elastic pads are provided in both sets of slots (1001).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093151.1U CN214036994U (en) | 2021-01-14 | 2021-01-14 | Soft and hard double-sealed high-temperature check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120093151.1U CN214036994U (en) | 2021-01-14 | 2021-01-14 | Soft and hard double-sealed high-temperature check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214036994U true CN214036994U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120093151.1U Active CN214036994U (en) | 2021-01-14 | 2021-01-14 | Soft and hard double-sealed high-temperature check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214036994U (en) |
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2021
- 2021-01-14 CN CN202120093151.1U patent/CN214036994U/en active Active
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