CN208204103U - A kind of mechanical check valve of good airproof performance - Google Patents
A kind of mechanical check valve of good airproof performance Download PDFInfo
- Publication number
- CN208204103U CN208204103U CN201820152463.3U CN201820152463U CN208204103U CN 208204103 U CN208204103 U CN 208204103U CN 201820152463 U CN201820152463 U CN 201820152463U CN 208204103 U CN208204103 U CN 208204103U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- valve body
- plate
- airproof performance
- good airproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to check-valves technical fields, and disclose a kind of mechanical check valve of good airproof performance, including water inlet pipe, the surface of water inlet pipe one end is fixedly connected with fixed plate, the side of fixed plate is connected with sealing plate, the side of sealing plate is fixedly connected with connecting plate, the side of connecting plate is fixedly connected with framework, the side of framework is fixedly connected on the side of valve body, the surface of valve body is fixedly connected with fixed block, the side of fixed block is fixedly connected with screw rod, one end of screw rod sequentially passes through framework, connecting plate, sealing plate and fixed plate are simultaneously connect with the inner thread of nut, the inner wall of valve body side is fixedly connected with transverse slat.The mechanical check valve of the good airproof performance, cooperated by screw rod and fixed plate, gap between the effective surface for reducing fixed plate and the surface of sealing plate also effectively promotes the leakproofness between water inlet pipe and valve body, the effective effect for reducing staff and replacing gasket.
Description
Technical field
The utility model relates to check-valves technical field, specially a kind of mechanical check valve of good airproof performance.
Background technique
Check-valves is also known as check valve or non-return valve, and effect is to prevent the medium in pipeline from flowing backwards.The bottom that pump sump closes
Valve also belongs to check-valves class.Opening and closing element is voluntarily opened or closed by media flow and strength, with the valve that prevents medium from flowing backwards
Check-valves.
Gasket would generally be set inside check-valves traditional at present, sealing is realized with this, however in use, it is close
Friction can be generated between packing and seal, makes the abrasion that gasket is too fast, and poor so as to cause check valve seal effect, work people
Member needs to be replaced frequently gasket, causes inconvenience to using.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of mechanical check valve of good airproof performance, has close
The advantages that effect is good is sealed, solves the problems, such as poor sealing effect.
(2) technical solution
To achieve the above object, the utility model provides the following technical solutions: a kind of mechanical check valve of good airproof performance,
Including water inlet pipe, the surface of described water inlet pipe one end is fixedly connected with fixed plate, and the side of the fixed plate is connected with close
Sealing plate, the side of the sealing plate are fixedly connected with connecting plate, and the side of the connecting plate is fixedly connected with framework, the framework
Side be fixedly connected on the side of valve body.
The surface of the valve body is fixedly connected with fixed block, and the side of the fixed block is fixedly connected with screw rod, the spiral shell
One end of bar sequentially passes through framework, connecting plate, sealing plate and fixed plate and connect with the inner thread of nut, the valve body side
Inner wall be fixedly connected with transverse slat, the middle part activity chain at the top of the transverse slat is connected to ball sealer, and the surface of the ball sealer is fixed
It is connected with telescopic rod, one end of the telescopic rod is fixedly connected on the inner wall of body top, and the inner wall of the valve body is fixedly connected
There is scroll box.
Preferably, the scroll box is fixedly connected by shaft with one end of baffle, and the surface of the baffle other end is logical
It crosses adjustable spring to be fixedly connected with the bottom of sealing rubber pad, locating piece, institute is fixedly connected at the top of the sealing rubber pad
The one end for stating locating piece is fixedly connected on the inner wall of the valve body other side.
Preferably, the quantity of the framework is two, and two frameworks equidistantly distribute together.
Preferably, the inner wall of the connecting plate side is fixedly connected with reset spring, and the material of the connecting plate is wear-resisting
Material.
Preferably, the middle part at the top of the transverse slat offers through-hole, and the material of the transverse slat is anti-corrosion material.
Preferably, the quantity of the screw rod is four, and four screw rods equidistantly distribute together.
(3) beneficial effect
Compared with prior art, the utility model provides a kind of mechanical check valve of good airproof performance, and having following has
Beneficial effect:
1, the mechanical check valve of the good airproof performance, is cooperated by screw rod and fixed plate, and staff first inserts fixed plate
Be connected to the inside of framework and contacted with the surface of sealing plate, staff again rotates nut, can make the surface of fixed plate with
The intimate surface contact of sealing plate, the gap between the effective surface for reducing fixed plate and the surface of sealing plate, also effectively
Promote the leakproofness between water inlet pipe and valve body, the effective effect for reducing staff and replacing gasket.
2, the mechanical check valve of the good airproof performance is cooperated by ball sealer and telescopic rod, when valve inner enters water flow,
Water flow will be such that ball sealer moves up, and water flow will be by valve body, when valve inner does not enter water flow, and telescopic rod will benefit
With the effect of gravity, transverse slat will be blocked by driving ball sealer to move down, and the effective water flow that reduces is flow backwards, effective poppet body
Service efficiency.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is enlarged structure schematic diagram at the A of the utility model Fig. 1；
Fig. 3 is the schematic diagram of the section structure of the utility model connecting plate.
In figure: 1 water inlet pipe, 2 fixed plates, 3 sealing plates, 4 connecting plates, 5 frameworks, 6 valve bodies, 7 fixed blocks, 8 screw rods, 9 nuts,
10 transverse slats, 11 ball sealers, 12 telescopic rods, 13 scroll boxs, 14 baffles, 15 sealing rubber pads, 16 locating pieces, 17 reset springs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of mechanical check valve of good airproof performance, including water inlet pipe 1, the surface of 1 one end of water inlet pipe
It is fixedly connected with fixed plate 2, the side of fixed plate 2 is connected with sealing plate 3, and the side of sealing plate 3 is fixedly connected with connection
Plate 4, the inner wall of 4 side of connecting plate are fixedly connected with reset spring 17, and the material of connecting plate 4 is wear-resistant material, connecting plate 4
Side is fixedly connected with framework 5, and the quantity of framework 5 is two, and two frameworks 5 equidistantly distribute together, the side of framework 5
It is fixedly connected on the side of valve body 6.
The surface of valve body 6 is fixedly connected with fixed block 7, and the side of fixed block 7 is fixedly connected with screw rod 8, the quantity of screw rod 8
It is four, and four screw rods 8 equidistantly distribute together, one end of screw rod 8 sequentially passes through framework 5, connecting plate 4, sealing plate 3 and consolidates
Fixed board 2 is simultaneously connect with the inner thread of nut 9, staff first by fixed plate 2 be plugged into framework 5 inside and with sealing plate 3
Surface contact, staff again rotates nut 9, since the inside of connecting plate 4 is equipped with reset spring 17, can quickly connect
The position of 4 side of plate can make the surface of fixed plate 2 and the intimate surface contact of sealing plate 3, effective reduction fixed plate 2
Gap between surface and the surface of sealing plate 3 also effectively promotes the leakproofness between water inlet pipe 1 and valve body 6, effectively subtracts
Few staff replaces the effect of gasket, and the inner wall of 6 side of valve body is fixedly connected with transverse slat 10, and the middle part at 10 top of transverse slat is opened
Equipped with through-hole, the material of transverse slat 10 is anti-corrosion material, and the middle part activity chain at 10 top of transverse slat is connected to ball sealer 11, ball sealer 11
Surface is fixedly connected with telescopic rod 12, and one end of telescopic rod 12 is fixedly connected on the inner wall at 6 top of valve body, inside valve body 6 into
Enter water flow, water flow will be such that ball sealer 11 moves up, water flow will by valve body 6, when not entering water flow inside valve body 6,
Telescopic rod 12 will utilize the effect of gravity, and telescopic rod 12 can drive ball sealer 11 to move down the table that will block transverse slat 10
Face, the effective water flow that reduces are flow backwards, and effective 6 service efficiency of poppet body, the inner wall of valve body 6 is fixedly connected with scroll box 13,
Scroll box 13 is fixedly connected by shaft with one end of baffle 14, and the surface of 14 other end of baffle passes through adjustable spring and sealing rubber
The bottom of rubber mat 15 is fixedly connected, and the top of sealing rubber pad 15 is fixedly connected with locating piece 16, and one end of locating piece 16 is fixed
It is connected to the inner wall of 6 other side of valve body.
In conclusion the mechanical check valve of the good airproof performance, is cooperated by screw rod 8 and fixed plate 2, staff first will
Fixed plate 2 is plugged into the inside of framework 5 and contacts with the surface of sealing plate 3, and staff again rotates nut 9, can make solid
The surface of fixed board 2 and the intimate surface contact of sealing plate 3, between the effective surface for reducing fixed plate 2 and the surface of sealing plate 3
Gap, also effectively promote the leakproofness between water inlet pipe 1 and valve body 6, it is effective to reduce staff and replace gasket
Effect is cooperated by ball sealer 11 and telescopic rod 12, enters water flow inside valve body 6, and water flow will make ball sealer 11 to moving up
Dynamic, water flow will be by valve body 6, when not entering water flow inside valve body 6, and telescopic rod 12 will utilize the effect of gravity, drives
Ball sealer 11, which moves down, will block transverse slat 10, and the effective water flow that reduces is flow backwards, effective 6 service efficiency of poppet body.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
Claims (6)
1. a kind of mechanical check valve of good airproof performance, including water inlet pipe (1), it is characterised in that: described water inlet pipe (1) one end
Surface is fixedly connected with fixed plate (2), and the side of the fixed plate (2) is connected with sealing plate (3), the sealing plate (3)
Side be fixedly connected with connecting plate (4), the side of the connecting plate (4) is fixedly connected with framework (5), the framework (5)
Side is fixedly connected on the side of valve body (6)；
The surface of the valve body (6) is fixedly connected with fixed block (7), and the side of the fixed block (7) is fixedly connected with screw rod
(8), one end of the screw rod (8) sequentially passes through framework (5), connecting plate (4), sealing plate (3) and fixed plate (2) and and nut
(9) inner thread connection, the inner wall of valve body (6) side is fixedly connected with transverse slat (10), at the top of the transverse slat (10)
Middle part activity chain is connected to ball sealer (11), and the surface of the ball sealer (11) is fixedly connected with telescopic rod (12), the telescopic rod
(12) one end is fixedly connected on the inner wall at the top of valve body (6), and the inner wall of the valve body (6) is fixedly connected with scroll box (13).
2. a kind of mechanical check valve of good airproof performance according to claim 1, it is characterised in that: the scroll box (13)
It is fixedly connected by shaft with one end of baffle (14), the surface of baffle (14) other end passes through adjustable spring and sealing rubber
The bottom of rubber mat (15) is fixedly connected, and is fixedly connected with locating piece (16), the positioning at the top of the sealing rubber pad (15)
One end of block (16) is fixedly connected on the inner wall of valve body (6) other side.
3. a kind of mechanical check valve of good airproof performance according to claim 1, it is characterised in that: the framework (5)
Quantity is two, and two frameworks (5) equidistantly distribute together.
4. a kind of mechanical check valve of good airproof performance according to claim 1, it is characterised in that: the connecting plate (4)
The inner wall of side is fixedly connected with reset spring (17), and the material of the connecting plate (4) is wear-resistant material.
5. a kind of mechanical check valve of good airproof performance according to claim 1, it is characterised in that: transverse slat (10) top
Through-hole is offered in the middle part of portion, the material of the transverse slat (10) is anti-corrosion material.
6. a kind of mechanical check valve of good airproof performance according to claim 1, it is characterised in that: the screw rod (8)
Quantity is four, and four screw rods (8) equidistantly distribute together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152463.3U CN208204103U (en) | 2018-01-30 | 2018-01-30 | A kind of mechanical check valve of good airproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820152463.3U CN208204103U (en) | 2018-01-30 | 2018-01-30 | A kind of mechanical check valve of good airproof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208204103U true CN208204103U (en) | 2018-12-07 |
Family
ID=64533884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820152463.3U Expired - Fee Related CN208204103U (en) | 2018-01-30 | 2018-01-30 | A kind of mechanical check valve of good airproof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208204103U (en) |
-
2018
- 2018-01-30 CN CN201820152463.3U patent/CN208204103U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20220130 |