CN209414682U - A kind of check valve being rotatably connected - Google Patents
A kind of check valve being rotatably connected Download PDFInfo
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- CN209414682U CN209414682U CN201822155842.0U CN201822155842U CN209414682U CN 209414682 U CN209414682 U CN 209414682U CN 201822155842 U CN201822155842 U CN 201822155842U CN 209414682 U CN209414682 U CN 209414682U
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- hole
- admission line
- fluid
- fluid inlet
- spool
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Abstract
The utility model discloses a kind of check valves being rotatably connected, including the internal valve body for being equipped with valve chamber, the both ends of the valve chamber are respectively equipped with fluid inlet end and fluid outlet, the fluid inlet end is circular through hole, fluid outlet is enclosed construction, gas outlet is equipped on the valve body on the outside of fluid outlet, the spring base and spool connected by spring is equipped in valve chamber, one end of spool is equipped with the first groove cooperated with spring base, the other end offsets with the fluid inlet end, the position-limiting tube being fixedly connected across circular through hole with spool is additionally provided with outside fluid inlet end, position-limiting tube is equipped with air inlet, described valve body one end is connected with the first horizontal admission line and the second vertical admission line, in the first admission line, the gas circuit switching mechanism for switching inlet channel is equipped between second admission line.The utility model is using a gas circuit switching mechanism, and the choice direction for realizing fluid flows into, and structure is simple, can be applicable in different installation requirements.
Description
Technical field
The utility model relates to a kind of check valve, especially a kind of check valve being rotatably connected.
Background technique
Check valve is also known as check-valves or non-return valve.For preventing oil stream reverse flow in hydraulic system, or for pneumatic
Compressed air reverse flow is prevented in system.Current some check valves need to select the inflow direction of fluid in application, still
Present mostly unidirectional valve is substantially all only one fluid inlet, when needing fluid to flow into from another direction, at present
One-way valve structures can not then realize.
Utility model content
One kind is provided purpose of the utility model is to solve above-mentioned the deficiencies in the prior art may be implemented fluid choosing
Direction inflow is selected, a kind of check valve being rotatably connected of different installation requirements is applicable in.
To achieve the goals above, a kind of check valve being rotatably connected designed by the utility model, including inside are set
There is the valve body of valve chamber, the both ends of the valve chamber are respectively equipped with fluid inlet end and fluid outlet, and the fluid inlet end is circle
Shape through-hole, the fluid outlet are enclosed construction, and gas outlet is equipped on the valve body on the outside of fluid outlet, is set in valve chamber
There is spring base, described spring base one end is fixed on fluid outlet and the other end is towards fluid inlet end, is socketed on spring base
There is spring, the spring other end is socketed with spool, and one end of the spool is equipped with the first groove cooperated with spring base, another
End offsets with the fluid inlet end, and the limit being fixedly connected across circular through hole with spool is additionally provided with outside the fluid inlet end
Pipe, the position-limiting tube are equipped with air inlet, described valve body one end be connected with horizontal the first admission line and vertical second into
Feed channel, first admission line and valve body junction are equipped with first through hole, second admission line and valve body junction
Equipped with the second through-hole, the gas circuit switching machine for switching inlet channel is equipped between the first admission line, the second admission line
Structure, the gas circuit switching mechanism include the first fixed plate and the second fixed plate of parallel arrangement, are slided in first fixed plate
Connect a trapezoidal slide block, the trapezoidal slide block includes towards the upper bottom of fluid inlet end and towards the bottom of first through hole, institute
State bottom length be greater than upper bottom length, the trapezoidal slide block bottom be equipped with towards first through hole first connecting rod, described first
Connecting rod is connected with the first sealing cover with first through hole cooperation, slidably connects vertical second in second fixed plate and connects
Bar, described second connecting rod one end are equipped with the idler wheel to offset with trapezoidal slide block inclined side, and the other end is connected with to be cooperated with the second through-hole
The second sealing cover.
In order to improve the leakproofness of first through hole and the second through-hole in sealing, the first through hole and the second through-hole it is outer
Side is equipped with the second groove, and the rubber convex block with the cooperation of the second groove is equipped on first sealing cover and the second sealing cover.
In order to improve spool and fluid inlet end offsets the leakproofness at place, the spool is equipped with the fluid inlet end place of offseting
Sealing ring.
In order to facilitate being fixedly connected for check valve, spiral shell is equipped on the outside of first admission line and the second admission line
Line.
A kind of check valve being rotatably connected that the utility model obtains, its technical effect is that using a gas circuit switching machine
Structure realizes that fluid choice direction flows into, is applicable in different installation requirements.
Detailed description of the invention
Fig. 1 is a kind of a kind of structural schematic diagram of check valve being rotatably connected of embodiment 1；
Fig. 2 is a kind of check valve another kind structural schematic diagram being rotatably connected of embodiment 2；
Fig. 3 is partial enlarged view at A in Fig. 2.
In figure: valve chamber 1, valve body 2, fluid inlet end 3, fluid outlet 4, circular through hole 5, gas outlet 6, spring base 7, bullet
Spring 8, spool 9, the first groove 10, position-limiting tube 11, air inlet 12, the first admission line 13, the second admission line 14, first through hole
15, the second through-hole 16, gas circuit switching mechanism 17, the first fixed plate 18, the second fixed plate 19, trapezoidal slide block 20, upper bottom 21, bottom
22, first connecting rod 23, the first sealing cover 24, second connecting rod 25, idler wheel 26, the second sealing cover 27, the second groove 28, rubber convex block
29, sealing ring 30, screw thread 31.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1:
As shown in Figure 1, a kind of check valve being rotatably connected provided in this embodiment, including the internal valve for being equipped with valve chamber 1
Body 2, the both ends of the valve chamber 1 are respectively equipped with fluid inlet end 3 and fluid outlet 4, and the fluid inlet end 3 is circular through hole
5, the fluid outlet 4 is enclosed construction, is equipped with gas outlet 6 on the valve body 2 in 4 outside of fluid outlet, sets in valve chamber 1
There is spring base 7, described 7 one end of spring base is fixed on fluid outlet 4 and the other end is towards fluid inlet end 3, on spring base 7
It is socketed with spring 8,8 other end of spring is socketed with spool 9, and one end of the spool 9 is equipped with cooperate with spring base 7 first
Groove 10, the other end offset with the fluid inlet end 3, are additionally provided with outside the fluid inlet end 3 across circular through hole 5 and spool
9 position-limiting tubes 11 being fixedly connected, the position-limiting tube 11 are equipped with air inlet 12, and described 2 one end of valve body is connected with horizontal first
Admission line 13 and the second vertical admission line 14, first admission line 13 are equipped with first through hole with 2 junction of valve body
15, second admission line 14 is equipped with the second through-hole 16 with 2 junction of valve body, in the first admission line 13, the second air inlet pipe
The gas circuit switching mechanism 17 for switching inlet channel is equipped between road 14, the gas circuit switching mechanism 17 includes parallel arrangement
First fixed plate 18 and the second fixed plate 19, and the two sides of first fixed plate 18 and the second fixed plate 19 are fixed on valve body 2
Inner wall on, be slidably connected a trapezoidal slide block 20 in first fixed plate 18, and the trapezoidal slide block 20 includes towards fluid
The upper bottom 21 of arrival end 3 and towards the bottom of first through hole 15 22,22 length of the bottom are greater than upper 21 length of bottom, described trapezoidal
The bottom 22 of sliding block 20 is equipped with the first connecting rod 23 towards first through hole 15, and the first connecting rod 23 is connected with and first through hole 15
First sealing cover 24 of cooperation slidably connects vertical second connecting rod 25, the second connecting rod in second fixed plate 19
25 one end are equipped with the idler wheel 26 that offsets with 20 inclined side of trapezoidal slide block, the other end be connected with it is the second of the cooperation of the second through-hole 16 close
Capping 27.
Concrete operating principle: when needing gas to enter from the first admission line 13, first sealing cover 24 is opened,
Under the action of first connecting rod 23, the trapezoidal slide block 20 moves right, and idler wheel 26 is jacked up, and second connecting rod 25 moves up,
To push the second sealing cover 27 to seal the second through-hole 16, when needing gas to enter from the second admission line 14, described the
Two sealing covers 27 are opened, and under the action of second connecting rod 25 and pulley 26, trapezoidal slide block 20 is moved to the left, and pass through first connecting rod
23 effect pushes up the first sealing cover 24 to the left, and then will be in the sealing of first through hole 15；Gas from 13 pipeline of the first air inlet or
After second admission line 14 enters in check valve, due to the entrance of gas, the pressure that spool 9 is subject to is greater than the elastic force of spring 8, valve
Core 9 is biased toward fluid outlet 4, position-limiting tube 11 also with entering in valve chamber 1, gas by the air inlet 12 on position-limiting tube 11 into
Enter 1 chamber of valve, then flowed out from gas outlet 6, final realize allows fluid choice direction to flow into as needed, the installation of definitive application difference
It is required that.
Embodiment 2:
As shown in Figure 2 and Figure 3, a kind of check valve being rotatably connected provided in this embodiment, general configuration and embodiment
1 is identical, unlike in order to improve sealing effect, the outside of the first through hole 15 and the second through-hole 16 is equipped with the second groove
28, the rubber convex block 29 with the cooperation of the second groove 28 is equipped on first sealing cover 24 and the second sealing cover 27, further,
The spool 9 is equipped with sealing ring 30, further, first admission line 13 and the second air inlet with 3 place of offseting of fluid inlet end
It is equipped with screw thread 31 on the outside of pipeline 14, by the design of rubber convex block 29, can be improved sealing effect, while setting by screw thread 31
Meter is convenient for being threadedly coupled with other equipment.
Claims (5)
1. a kind of check valve being rotatably connected, including the internal valve body (2) for being equipped with valve chamber (1), the both ends point of the valve chamber (1)
Not She You fluid inlet end (3) and fluid outlet (4), the fluid inlet end (3) is circular through hole (5), and the fluid goes out
Mouth end (4) is enclosed construction, is equipped with gas outlet (6) on the valve body (2) on the outside of fluid outlet (4), is equipped in valve chamber (1)
Spring base (7), described spring base (7) one end are fixed on fluid outlet (4), and the other end is towards fluid inlet end (3), in bullet
Be socketed on spring abutment (7) spring (8), spring (8) other end is socketed with spool (9), one end of the spool (9) be equipped with
The first groove (10) of spring base (7) cooperation, the other end offset with the fluid inlet end (3), and the fluid inlet end (3) is outside
It is additionally provided with the position-limiting tube (11) being fixedly connected across circular through hole (5) with spool (9), the position-limiting tube (11) is equipped with air inlet
(12), it is characterised in that: described valve body (2) one end is connected with horizontal the first admission line (13) and the second vertical air inlet pipe
Road (14), first admission line (13) and valve body (2) junction are equipped with first through hole (15), second admission line
(14) the second through-hole (16) are equipped with valve body (2) junction, are set between (14) in the first admission line (13), the second admission line
There is the gas circuit switching mechanism (17) for being switched into gas channel, the gas circuit switching mechanism (17) includes that first to be arranged in parallel is consolidated
Fixed board (18) and the second fixed plate (19), be slidably connected on first fixed plate (18) trapezoidal slide block (20), the ladder
Shape sliding block (20) includes the upper bottom (21) towards fluid inlet end (3) and the bottom (22) towards first through hole (15), under described
Bottom (22) length is greater than upper bottom (21) length, and the bottom (22) of the trapezoidal slide block (20) is equipped with the towards first through hole (15)
One connecting rod (23), the first connecting rod (23) is connected with and first sealing cover (24) of first through hole (15) cooperation, and described second
It is slidably connected in fixed plate (19) vertical second connecting rod (25), described second connecting rod (25) one end is equipped with and trapezoidal slide block
(20) idler wheel (26) that inclined side offsets, the other end are connected with the second sealing cover (27) with the second through-hole (16) cooperation.
2. a kind of check valve being rotatably connected according to claim 1, it is characterised in that: the first through hole (15) and
It is equipped on the outside of second through-hole (16) the second groove (28), is all provided on first sealing cover (24) and the second sealing cover (27)
There is the rubber convex block (29) with the second groove (28) cooperation.
3. a kind of check valve being rotatably connected according to claim 1 or 2, it is characterised in that: the spool (9) and stream
Body arrival end (3) place of offseting is equipped with sealing ring (30).
4. a kind of check valve being rotatably connected according to claim 1 or 2, it is characterised in that: first air inlet pipe
Screw thread (31) are equipped on the outside of road (13) and the second admission line (14).
5. a kind of check valve being rotatably connected according to claim 3, it is characterised in that: first admission line
(13) and on the outside of the second admission line (14) screw thread (31) are equipped with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155842.0U CN209414682U (en) | 2018-12-21 | 2018-12-21 | A kind of check valve being rotatably connected |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822155842.0U CN209414682U (en) | 2018-12-21 | 2018-12-21 | A kind of check valve being rotatably connected |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209414682U true CN209414682U (en) | 2019-09-20 |
Family
ID=67939664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822155842.0U Active CN209414682U (en) | 2018-12-21 | 2018-12-21 | A kind of check valve being rotatably connected |
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| Country | Link |
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| CN (1) | CN209414682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983207A (en) * | 2021-12-28 | 2022-01-28 | 常州台盈塑业科技有限公司 | Self-adaptive torrent bypass one-way valve |
-
2018
- 2018-12-21 CN CN201822155842.0U patent/CN209414682U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983207A (en) * | 2021-12-28 | 2022-01-28 | 常州台盈塑业科技有限公司 | Self-adaptive torrent bypass one-way valve |
| CN113983207B (en) * | 2021-12-28 | 2022-03-25 | 常州台盈塑业科技有限公司 | Self-adaptive torrent bypass one-way valve |
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