CN217539742U - High pressure resistant combination canned type check valve - Google Patents
High pressure resistant combination canned type check valve Download PDFInfo
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- CN217539742U CN217539742U CN202220747483.1U CN202220747483U CN217539742U CN 217539742 U CN217539742 U CN 217539742U CN 202220747483 U CN202220747483 U CN 202220747483U CN 217539742 U CN217539742 U CN 217539742U
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Abstract
The utility model relates to a high pressure resistant combination canned type check valve, include: the valve body is provided with an inlet channel and an outlet channel respectively; the valve cover is sealed with the upper end of the valve body; and, a flap assembly for controlling fluid flow within the valve body, the flap assembly comprising: the valve comprises a hard sealing valve plate, a driving arm for driving the hard sealing valve plate to rotate, and a soft sealing element matched with the hard sealing valve plate. In the initial state, the hard sealing valve plate is attached to the valve plate sealing ring; when the hard sealing valve plate is subjected to hydraulic pressure, the hard sealing valve plate is separated from the valve plate sealing ring under the action of the driving arm and the valve shaft, so that the liquid flows; in addition, the hard sealing valve plate can determine the opening and closing size of the hard sealing valve plate according to the hydraulic pressure; when no liquid flows through the inlet channel, the hard seal valve plate slowly approaches to the valve clack sealing ring, and the valve clack sealing ring contracts towards the soft seal surface under the action of the soft seal surface, so that the hard seal valve plate is sealed with the inlet channel.
Description
Technical Field
The utility model relates to a hydrovalve technical field, in particular to high pressure resistant combination canned type check valve.
Background
The check valve is also called a check valve, a one-way valve or a check valve, and functions to prevent the medium in the pipeline from flowing in a directional manner and not flowing backwards. The check valve is a common valve device, and the principle of the check valve is to realize opening and closing by the flowing force of a medium so as to prevent the backflow of the medium. The check valve is mainly used for pipelines with unidirectional medium flow and only allows the medium to flow in one direction.
The existing check valve adopts a hard sealing structure design, and the mode has high requirement on the manufacturing precision of the valve clack, so that the valve clack has poor sealing property, and the flow of the check valve cannot be effectively controlled.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high pressure resistant combination canned type check valve has the good advantage of leakproofness.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
a high pressure resistant combination sealing check valve comprising:
the valve body is provided with an inlet channel and an outlet channel respectively;
the valve cover is sealed with the upper end of the valve body; and (c) a second step of,
a flapper assembly for controlling the passage of fluid within the valve body, the flapper assembly comprising: the sealing device comprises a hard sealing valve plate, a driving arm for driving the hard sealing valve plate to rotate, and a soft seal matched with the hard sealing valve plate.
When the technical scheme is realized, the hard sealing valve plate is attached to the valve plate sealing ring in an initial state; when the hard sealing valve plate is subjected to hydraulic pressure, the hard sealing valve plate is separated from the valve plate sealing ring under the action of the driving arm and the valve shaft, so that the liquid flows; in addition, the hard sealing valve plate can determine the opening and closing size of the hard sealing valve plate according to the hydraulic pressure; when no liquid flows through the inlet channel, the hard sealing valve plate slowly approaches to the valve clack sealing ring, and the valve clack sealing ring shrinks towards the soft sealing surface under the action of the soft sealing surface, so that the hard sealing valve plate is sealed with the inlet channel. The soft sealing surface and the valve clack sealing ring are arranged on the hard sealing valve plate of the valve clack, so that the check valve has the requirement of high pressure resistance, and the sealing performance of the valve clack is improved; meanwhile, due to the arrangement of the soft sealing surface and the valve clack sealing ring, the inlet channel can be prevented from being abraded due to long-time use, and the service life of the check valve is prolonged.
As a preferred scheme of the utility model, the valve gap with valve body seal department is equipped with O type sealing washer, be equipped with the valve cap on the valve gap.
Realize above-mentioned technical scheme, realize through the valve gap with the sealed of valve body, guarantee the stability of check valve in the use.
As a preferred scheme of the utility model, valve clack subassembly sets up and is being close to import channel one side, the actuating arm with hard sealed valve plate is connected, install the valve shaft on the actuating arm, the valve shaft rotates to be installed on the installation step that the valve body set up.
According to the technical scheme, the hard sealing valve plate realizes flow control of the valve body under the action of the driving arm.
As a preferred scheme of the utility model, soft sealing member includes: the soft sealing surfaces are arranged on two sides of the inlet channel.
According to the technical scheme, the soft sealing surface is matched with the valve clack sealing ring, so that the check valve has the requirement of high pressure resistance.
As an optimized proposal of the utility model, a metal filter screen is arranged on the hard sealing valve plate.
According to the technical scheme, the metal filter screen can filter liquid in the valve body to a certain extent, and the valve body is prevented from being blocked.
As a preferred embodiment of the present invention, the inlet passage is communicated with the outlet passage to form a valve cavity.
By adopting the technical scheme, a complete liquid flow passage is formed among the inlet passage, the outlet passage and the valve cavity.
To sum up, the utility model discloses following beneficial effect has:
the utility model discloses a high pressure resistant combination canned type check valve is provided, include: the valve body is provided with an inlet channel and an outlet channel respectively; the valve cover is sealed with the upper end of the valve body; and a valve flap assembly for controlling fluid flow within the valve body, the valve flap assembly comprising: the sealing device comprises a hard sealing valve plate, a driving arm for driving the hard sealing valve plate to rotate, and a soft seal matched with the hard sealing valve plate. In an initial state, the hard sealing valve plate is attached to the valve plate sealing ring; when the hard sealing valve plate is subjected to hydraulic pressure, the hard sealing valve plate is separated from the valve plate sealing ring under the action of the driving arm and the valve shaft, so that the liquid flows; in addition, the hard sealing valve plate can determine the opening and closing size of the hard sealing valve plate according to the hydraulic pressure; when no liquid flows through the inlet channel, the hard sealing valve plate slowly approaches to the valve clack sealing ring, and the valve clack sealing ring shrinks towards the soft sealing surface under the action of the soft sealing surface, so that the hard sealing valve plate is sealed with the inlet channel. The soft sealing surface and the valve clack sealing ring are arranged on the hard sealing valve plate of the valve clack, so that the check valve has the requirement of high pressure resistance, and the sealing performance of the valve clack is improved; meanwhile, due to the arrangement of the soft sealing surface and the valve clack sealing ring, the inlet channel can be prevented from being abraded due to long-time use, and the service life of the check valve is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic front structural diagram of an embodiment of the present invention.
The corresponding part names indicated by the numbers and letters in the drawings:
1. a valve body; 2. an inlet channel; 3. an outlet channel; 4. a valve cover; 5. a hard seal valve plate; 6. a drive arm; 7. a bonnet; 8. a valve shaft; 9. a soft sealing surface; 10. a valve clack sealing ring; 11. a metal filter screen; 12. a valve cavity; 13. an O-shaped sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Examples
A high pressure resistant combination sealing type check valve, as shown in fig. 1, comprising: an inlet channel 2 and an outlet channel 3 are respectively arranged on the valve body 1 and the valve body 1; a valve cover 4 sealed with the upper end of the valve body 1; and a valve clack assembly for controlling the liquid circulation in the valve body 1.
Wherein, the valve clack subassembly includes: a hard sealing valve plate 5, a driving arm 6 for driving the hard sealing valve plate 5 to rotate, and a soft sealing element matched with the hard sealing valve plate 5.
An O-shaped sealing ring 13 is arranged at the sealing position of the valve cover 4 and the valve body 1, and a valve cap 7 is arranged on the valve cover 4. The sealing between the valve cover 4 and the valve body 1 is realized, so that a complete check valve is formed, and the flow between the fluids is realized.
Specifically, the valve clack subassembly sets up and is being close to 2 one sides of inlet channel, and actuating arm 6 is connected with sealed valve plate 5 firmly, installs valve shaft 8 on the actuating arm 6, and valve shaft 8 rotates to be installed on the installation step that valve body 1 set up. The valve shaft 8 and the driving arm 6 are mutually matched, so that the hard sealing valve plate 5 can freely move in the valve cavity 12, and the control of fluid at the inlet passage 2 is realized.
The soft seal includes: the soft sealing surface 9 and the valve clack sealing ring 10 in floating connection with the soft sealing surface 9 are arranged on two sides of the inlet channel 2. In order to make the hard seal valve plate 5 can better control the fluid at the inlet channel 2, under the action of the valve clack sealing ring 10, the hard seal valve plate 5 can better seal with the valve clack sealing ring 10.
The hard sealing valve plate 5 is provided with a metal filter screen 11, and the inlet channel 2 is communicated with the outlet channel 3 to form a valve cavity 12. The fluid flows in the valve cavity 12, and the metal filter screen 11 plays a certain role in filtering the liquid in the valve cavity 12, so that the purification effect is achieved.
In an initial state, the hard sealing valve plate 5 is attached to the valve plate sealing ring; when the hard sealing valve plate 5 is subjected to hydraulic pressure, the hard sealing valve plate 5 is separated from the valve plate sealing ring under the action of the driving arm 6 and the valve shaft 8, so that the liquid flows; moreover, the hard seal valve plate 5 can determine the opening and closing size of the hard seal valve plate 5 according to the hydraulic pressure; when no liquid flows through the inlet channel 2, the hard seal valve plate 5 is slowly close to the valve clack seal ring 10, and the valve clack seal ring 10 contracts towards the soft seal surface 9 under the action of the soft seal surface 9, so that the hard seal valve plate 5 is sealed with the inlet channel 2. The soft sealing surface 9 and the valve clack sealing ring 10 are arranged on the hard sealing valve plate 5 of the valve clack, so that the check valve has the requirement of high pressure resistance, and the sealing performance of the valve clack is improved; meanwhile, the arrangement of the soft sealing surface 9 and the valve clack sealing ring 10 can also avoid the abrasion of the inlet channel 2 due to long-time use, and the service life of the check valve is prolonged.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A high pressure resistant combination sealing check valve comprising:
the valve body is provided with an inlet channel and an outlet channel respectively;
the valve cover is sealed with the upper end of the valve body; and (c) a second step of,
a flapper assembly for controlling the passage of fluid within the valve body, the flapper assembly comprising: the sealing device comprises a hard sealing valve plate, a driving arm for driving the hard sealing valve plate to rotate, and a soft seal matched with the hard sealing valve plate.
2. The high pressure resistant combined sealing type check valve as claimed in claim 1, wherein an O-ring is provided at a sealing position of the valve cover and the valve body, and a valve cap is provided on the valve cover.
3. The high pressure resistant combination sealing type check valve of claim 1, wherein said valve flap assembly is disposed adjacent to said inlet port, said actuating arm is connected to said hard seal valve plate, said actuating arm is mounted with a valve shaft, said valve shaft is rotatably mounted on a mounting step provided on said valve body.
4. The high pressure resistant combination seal type check valve as set forth in claim 1, wherein said soft seal comprises: the soft sealing surface and the valve clack sealing ring are in floating connection with the soft sealing surface, and the soft sealing surface is arranged on two sides of the inlet channel.
5. The high pressure resistant combination sealing type check valve of claim 1, wherein a metal filter mesh is provided on said hard seal valve plate.
6. The high pressure resistant combination seal type check valve of claim 1, wherein said inlet passage communicates with said outlet passage to form a valve chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747483.1U CN217539742U (en) | 2022-04-01 | 2022-04-01 | High pressure resistant combination canned type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220747483.1U CN217539742U (en) | 2022-04-01 | 2022-04-01 | High pressure resistant combination canned type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539742U true CN217539742U (en) | 2022-10-04 |
Family
ID=83430592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220747483.1U Active CN217539742U (en) | 2022-04-01 | 2022-04-01 | High pressure resistant combination canned type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539742U (en) |
-
2022
- 2022-04-01 CN CN202220747483.1U patent/CN217539742U/en active Active
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