CN209444850U - One kind being based on pneumatic-operated extraction check valve - Google Patents
One kind being based on pneumatic-operated extraction check valve Download PDFInfo
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- CN209444850U CN209444850U CN201822004727.3U CN201822004727U CN209444850U CN 209444850 U CN209444850 U CN 209444850U CN 201822004727 U CN201822004727 U CN 201822004727U CN 209444850 U CN209444850 U CN 209444850U
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Abstract
The utility model discloses one kind to be based on pneumatic-operated extraction check valve, including non-return valve body, the front surface of the non-return valve body is fixedly installed with mounting blocks, and the upper surface of non-return valve body is fixedly installed sealing block, the side of the non-return valve body is fixedly connected with air inlet, and the other side of non-return valve body is fixedly connected with gas outlet, the air inlet is connect with air inlet pipe by flange seal.The phenomenon that the utility model can protect the surface of non-return valve body by being provided with guard assembly, avoid non-return valve body surface suffers erosion when in use；Provided with minitype cylinder and piston rod, the pneumatic control opening-closing process to non-return valve body can be realized, instead of manually adjusting；Provided with screw hole and fastening bolt, so that being readily disassembled between fixed frame and mounting rack, periodic inspection and maintenance is carried out to minitype cylinder convenient for user, can guarantee the normal work of minitype cylinder.
Description
Technical field
It is specifically a kind of to be based on pneumatic-operated extraction check valve the utility model relates to check-valves technical field.
Background technique
Check-valves refers to opening and closing element for round flap and by own wt and pressure medium generation movement to block medium to fall
A kind of valve of stream, belongs to automatic valve class, and also known as non-return valve, check valve, return valve or isolating valve, flap motion mode is divided into lifting
Formula and swing type, lift check valve is similar with stop valve structure, and check-valves is commonly used for the bottom valve of water plug, can prevent water
Reflux, only valve is applied in combination with shut-off valve admittedly, can play the role of security isolation, and extraction check valve is as preventing medium counter flow
Device, commonly used in the extract system of power plant or steam power plant.
Chinese patent discloses a kind of extraction check valve (Authorization Notice No. CN204153236U), the patented technology can and
Not only reduce the occupied space of valve, but also be conducive to the packed and transported of valve, and can be in the transportational process of valve to adding
Stock forms effective protection, furthermore can be constituted in valve body with flap and open up the ripple radially extended on the flange of sealing cooperation
Shape groove, and make flap towards elastic overcoat is enclosed on the lower end of flange, it is arranged by above structure, when flap and flange phase
When gluing, sealing, the elastic overcoat on flap can be correspondingly embedded in the ripple groove of flange, to reinforce the sealing of sealing surface
Effect, still, common extraction check valve cannot protect valve body currently on the market, and valve body surface is easy to appear corrosion
Phenomenon, and valve body, generally using manually opened or close, it is larger and time-consuming and laborious to manually adjust resistance, it is extremely inconvenient, separately
It is inconvenient to dismantle between external fixing rack and mounting rack, and the person of being not convenient to use carries out periodic inspection and maintenance, Wu Fabao to minitype cylinder
Demonstrate,prove the normal work of minitype cylinder.Therefore, those skilled in the art provide one kind and are based on pneumatic-operated extraction check valve, with
Solve the problems mentioned above in the background art.
Utility model content
The purpose of this utility model is to provide one kind to be based on pneumatic-operated extraction check valve, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
One kind being based on pneumatic-operated extraction check valve, including non-return valve body, and the front surface of the non-return valve body is solid
Dingan County is equipped with mounting blocks, and the upper surface of non-return valve body is fixedly installed sealing block, and the side of the non-return valve body is fixed
It is connected with air inlet, and the other side of non-return valve body is fixedly connected with gas outlet, the air inlet and air inlet pipe pass through flange
It is tightly connected, the gas outlet is connect with escape pipe by flange seal, and the upper surface of the non-return valve body is close to sealing block
Outside weldings have mounting rack, and guard assembly is provided on rear side of non-return valve body, the top of the mounting rack is equipped with solid
Determine frame, and the upper surface of mounting rack corresponds to the lower position of fixed frame and is provided with sleeve, the upper surface of the fixed frame is fixed
Minitype cylinder is installed, and the inner tip of fixed frame corresponds to the lower position of minitype cylinder and is connected with piston rod.
As a further solution of the present invention: the guard assembly includes the first fixture block, the second fixture block, pin shaft, the
One link block, the second link block and long bolt, one end of first fixture block are connected with the second fixture block, first fixture block and
The junction of two fixture blocks is provided with pin shaft, and the first fixture block and the second fixture block are rotatablely connected by pin shaft, first fixture block
Front side is fixedly connected with the first link block, and the second link block, first connection are fixedly connected on front side of second fixture block
Block and being internally embedded for the second link block are equipped with long bolt.
First fixture block includes mounting groove and the first baltimore groove as a further solution of the present invention, described
The outside that the upper surface of first fixture block corresponds to mounting rack offers mounting groove, and the front surface of the first fixture block corresponds to the outer of mounting blocks
Portion offers the first baltimore groove.
The outside that the front surface of second fixture block corresponds to mounting blocks as a further solution of the present invention, opens up
There is the second baltimore groove, the sum of second baltimore groove and the diameter of the first baltimore groove are greater than the diameter of mounting blocks.
The shape of first fixture block and the second fixture block is semicircle as a further solution of the present invention,
And first fixture block and the second fixture block be a kind of PVC material component.
The shape of the fixed frame is " u "-shaped, and the upper surface of fixed frame as a further solution of the present invention,
Screw hole is offered, being internally embedded for the screw hole is equipped with fastening bolt, and the fixed frame and mounting rack are solid by fastening bolt
Fixed connection.
One end of the piston rod extends through sleeve as a further solution of the present invention, and piston rod with
The junction of sealing block is provided with sealing ring.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model can protect the surface of non-return valve body, by being provided with guard assembly when first
After fixture block and the second fixture block cover, long bolt, can be to the first fixture block in the inner rotation of the first link block and the second link block
It is fastened with the second fixture block, the phenomenon that avoiding non-return valve body surface suffers erosion when in use；
2, by can be realized the pneumatic control opening-closing process to non-return valve body provided with minitype cylinder and piston rod,
Instead of manually adjusting, time saving and energy saving, resistance is smaller, and use is more convenient；
3, by being provided with screw hole and fastening bolt, so that being readily disassembled between fixed frame and mounting rack, it is convenient for user
Periodic inspection and maintenance are carried out to minitype cylinder, can guarantee the normal work of minitype cylinder.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram based on pneumatic-operated extraction check valve；
Fig. 2 is a kind of structural schematic diagram based on guard assembly in pneumatic-operated extraction check valve；
The structure enlargement diagram of part A in Fig. 3 Fig. 1.
In figure: 1, non-return valve body；2, air inlet；3, gas outlet；4, mounting blocks；5, sealing block；6, mounting rack；7, it protects
Component；71, the first fixture block；711, mounting groove；712, the first baltimore groove；72, the second fixture block；721, the second baltimore groove；73, it sells
Axis；74, the first link block；75, the second link block；76, long bolt；8, fixed frame；9, minitype cylinder；10, screw hole；11, it fastens
Bolt；12, piston rod；13, sleeve.
Specific embodiment
Please refer to Fig. 1~3, in the utility model embodiment, one kind being based on pneumatic-operated extraction check valve, including non-return
Valve body 1, the front surface of non-return valve body 1 is fixedly installed with mounting blocks 4, and the upper surface of non-return valve body 1 is fixedly installed
Sealing block 5, the side of non-return valve body 1 is fixedly connected with air inlet 2, and the other side of non-return valve body 1 is fixedly connected with out
Port 3, air inlet 2 are connect with air inlet pipe by flange seal, and gas outlet 3 is connect with escape pipe by flange seal, check-valves
There is mounting rack 6 in the upper surface of ontology 1 close to the outside weldings of sealing block 5, and the rear side of non-return valve body 1 is provided with guard assembly
7, guard assembly 7 includes the first fixture block 71, the second fixture block 72, pin shaft 73, the first link block 74, the second link block 75 and long bolt
76, one end of the first fixture block 71 is connected with the second fixture block 72, and the junction of the first fixture block 71 and the second fixture block 72 is provided with pin shaft
73, and the first fixture block 71 is rotatablely connected with the second fixture block 72 by pin shaft 73, the front side of the first fixture block 71 is fixedly connected with first
Link block 74, the front side of the second fixture block 72 are fixedly connected with the second link block 75, the first link block 74 and the second link block 75
Be internally embedded and long bolt 76 be installed, the first fixture block 71 include mounting groove 711 and the first baltimore groove 712, the first fixture block 71 it is upper
The outside that surface corresponds to mounting rack 6 offers mounting groove 711, and the front surface of the first fixture block 71 corresponds to the outsides of mounting blocks 4 and opens
Equipped with the first baltimore groove 712, the outside that the front surface of the second fixture block 72 corresponds to mounting blocks 4 offers the second baltimore groove 721, and second
The sum of diameter of baltimore groove 721 and the first baltimore groove 712 is greater than the diameter of mounting blocks 4, the first fixture block 71 and the second fixture block 72
Shape is semicircle, and the first fixture block 71 and the second fixture block 72 are a kind of component of PVC material, when in use, opens length
Screw rod 76, at this moment the first fixture block 71 and the second fixture block 72 can be realized rotation, at this moment that the first fixture block 71 and the second fixture block 72 is right
The position of quasi- non-return valve body 1, and cover in the outside of non-return valve body 1, long bolt 76 is then tightened, at this moment the first fixture block
71 and second fixture block 72 realize fix.
The top of mounting rack 6 is equipped with fixed frame 8, and the upper surface of mounting rack 6 corresponds to the lower position of fixed frame 8 and sets
It is equipped with sleeve 13, the upper surface of fixed frame 8 is fixedly installed with minitype cylinder 9, and the inner tip of fixed frame 8 corresponds to minitype cylinder
9 lower position is connected with piston rod 12, and the model SDA of minitype cylinder 9, after minitype cylinder 9 is powered, piston rod 12 exists
It realizes and moves up and down under the power drive of minitype cylinder 9, and then control the opening-closing process to non-return valve body 1.
The shape of fixed frame 8 is " u "-shaped, and the upper surface of fixed frame 8 offers screw hole 10, and screw hole 10 is internally embedded peace
Equipped with fastening bolt 11, fixed frame 8 is fixedly connected with mounting rack 6 by fastening bolt 11, and one end of piston rod 12 extends through
Sleeve 13, and the junction of piston rod 12 and sealing block 5 is provided with sealing ring, when fastening bolt 11 leaves the inside of screw hole 10,
Fixed frame 8 and mounting rack 6 can be realized and be dismantled, convenient for carrying out periodic inspection to minitype cylinder 9.
The working principle of the utility model is: firstly, opening long spiral shell when user needs to use non-return valve body 1
Bar 76, at this moment the first fixture block 71 and the second fixture block 72 can be realized rotation, at this moment respectively by the first fixture block 71 and the second fixture block 72
On mounting groove 711, the first baltimore groove 712 and the second baltimore groove 721 alignment non-return valve body 1 on mounting rack 6 and mounting blocks 4
Position at, and cover in the outside of non-return valve body 1, then tighten long bolt 76, at this moment the first fixture block 71 and the second fixture block
The phenomenon that 72 realize and fix, and avoid non-return valve body 1 surface suffers erosion when in use, extends making for non-return valve body 1
Powered on after installation with the service life, after minitype cylinder 9 is powered, piston rod 12 is under the power drive of minitype cylinder 9
It realizes and moves up and down, piston rod 12 moves upwards, and non-return valve body 1 is opened, and piston rod 12 moves downward, and non-return valve body 1 closes
It closes, can be realized the pneumatic control opening-closing process to non-return valve body 1, instead of manually adjusting, time saving and energy saving, resistance is smaller,
When fastening bolt 11 leaves the inside of screw hole 10, so that being readily disassembled between fixed frame 8 and mounting rack 6, convenient for user to micro-
Type cylinder 9 carries out periodic inspection and maintenance, can guarantee the normal work of minitype cylinder 9.
It is above-described, the only preferable specific embodiment of the utility model, but the protection scope of the utility model is simultaneously
It is not limited to this, anyone skilled in the art within the technical scope disclosed by the utility model, according to this reality
It is subject to equivalent substitution or change with novel technical solution and its utility model design, should all covers the protection in the utility model
Within the scope of.
Claims (7)
1. one kind is based on pneumatic-operated extraction check valve, including non-return valve body (1), which is characterized in that the check-valves sheet
The front surface of body (1) is fixedly installed with mounting blocks (4), and the upper surface of non-return valve body (1) is fixedly installed sealing block (5),
The side of the non-return valve body (1) is fixedly connected with air inlet (2), and the other side of non-return valve body (1) is fixedly connected with
Gas outlet (3), the air inlet (2) are connect with air inlet pipe by flange seal, and the gas outlet (3) and escape pipe pass through flange
It is tightly connected, the upper surface of the non-return valve body (1) has mounting rack (6) close to the outside weldings of sealing block (5), and check-valves
It is provided on rear side of ontology (1) guard assembly (7), the top of the mounting rack (6) is equipped with fixed frame (8), and mounting rack (6)
Upper surface correspond to the lower position of fixed frame (8) and be provided with sleeve (13), the upper surface of the fixed frame (8) is fixedly mounted
Have minitype cylinder (9), and the inner tip of fixed frame (8) corresponds to the lower position of minitype cylinder (9) and is connected with piston rod
(12)。
2. according to claim 1 a kind of based on pneumatic-operated extraction check valve, which is characterized in that the guard assembly
It (7) include the first fixture block (71), the second fixture block (72), pin shaft (73), the first link block (74), the second link block (75) and long spiral shell
One end of bar (76), first fixture block (71) is connected with the second fixture block (72), first fixture block (71) and the second fixture block
(72) junction is provided with pin shaft (73), and the first fixture block (71) and the second fixture block (72) are rotatablely connected by pin shaft (73),
It is fixedly connected with the first link block (74) on front side of first fixture block (71), is fixedly connected on front side of second fixture block (72)
Have the second link block (75), first link block (74) and being internally embedded for the second link block (75) are equipped with long bolt
(76)。
3. according to claim 2 a kind of based on pneumatic-operated extraction check valve, which is characterized in that first fixture block
It (71) include mounting groove (711) and the first baltimore groove (712), the upper surface of first fixture block (71) corresponds to mounting rack (6)
Outside offers mounting groove (711), and the front surface of the first fixture block (71) corresponds to the outsides of mounting blocks (4) and offers the first spill
Slot (712).
4. according to claim 2 or 3 a kind of based on pneumatic-operated extraction check valve, which is characterized in that described second
The outside that the front surface of fixture block (72) corresponds to mounting blocks (4) offers the second baltimore groove (721), second baltimore groove (721)
It is greater than the diameter of mounting blocks (4) with the sum of the diameter of the first baltimore groove (712).
5. according to claim 2 a kind of based on pneumatic-operated extraction check valve, which is characterized in that first fixture block
(71) and the shape of the second fixture block (72) is semicircle, and the first fixture block (71) and the second fixture block (72) are a kind of PVC material
The component of matter.
6. according to claim 1 a kind of based on pneumatic-operated extraction check valve, which is characterized in that the fixed frame
(8) shape is " u "-shaped, and the upper surface of fixed frame (8) offers screw hole (10), and the screw hole (10) is internally embedded installation
Have fastening bolt (11), the fixed frame (8) is fixedly connected with mounting rack (6) by fastening bolt (11).
7. according to claim 1 a kind of based on pneumatic-operated extraction check valve, which is characterized in that the piston rod
(12) one end extends through sleeve (13), and the junction of piston rod (12) and sealing block (5) is provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004727.3U CN209444850U (en) | 2018-12-02 | 2018-12-02 | One kind being based on pneumatic-operated extraction check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822004727.3U CN209444850U (en) | 2018-12-02 | 2018-12-02 | One kind being based on pneumatic-operated extraction check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209444850U true CN209444850U (en) | 2019-09-27 |
Family
ID=68012326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822004727.3U Active CN209444850U (en) | 2018-12-02 | 2018-12-02 | One kind being based on pneumatic-operated extraction check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209444850U (en) |
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2018
- 2018-12-02 CN CN201822004727.3U patent/CN209444850U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 261000 Huizhi Industrial Park, Yuandu, Zhongnan high tech Zone, taixiang street and Wenhua Road, Weifang Economic Development Zone, Shandong Province 91 Patentee after: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD. Address before: 261000 2-2211, complex building 12, Qinghe Park, No. 5738, Dongfeng East Street, high tech Zone, Weifang City, Shandong Province Patentee before: SHANDONG HUGONG VALVE MANUFACTURING CO.,LTD. |