CN208281576U - A kind of non-return valve - Google Patents
A kind of non-return valve Download PDFInfo
- Publication number
- CN208281576U CN208281576U CN201820880769.0U CN201820880769U CN208281576U CN 208281576 U CN208281576 U CN 208281576U CN 201820880769 U CN201820880769 U CN 201820880769U CN 208281576 U CN208281576 U CN 208281576U
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- China
- Prior art keywords
- rectangular tube
- baffle
- round
- fixed column
- support rods
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Abstract
The utility model relates to valve technology fields, especially a kind of non-return valve, including rectangular tube, the one middle side part level of rectangular tube offers the circular hole through rectangular tube, the through-hole through rectangular tube is also provided in the middle part of the rectangular tube other side, there are two support rods for the rectangular tube inner vertical connection, fixed column is also connected between two support rods, the fixed column side is provided with the telescoping mechanism through fixed column, there are two round bars for the rectangular tube interior side horizontal connection, also sliding is provided with round tube on two round bars, baffle is also connected between two round tubes, two groups of clamping mechanisms are additionally provided between the baffle and rectangular tube, the clamping mechanism includes the fixture block being fixedly connected on baffle and the card hole for being provided with rectangular tube interior side.The utility model stable structure can be good at playing the state for preventing medium back flow.
Description
Technical field
The utility model relates to valve technology field more particularly to a kind of non-return valves.
Background technique
Check-valves is also known as check valve or non-return valve, belongs to automatic valve, effect is to prevent the medium of pipeline from flowing backwards, non-return
Valve is the valve that opening and closing element leans on media flow and strength voluntarily to open or close, and usual fluid media (medium) makes valve under pressure
Door automatically turns on, and the check valve structure on existing market is simple, prevents the medium back flow effect in pipeline poor, therefore be unfavorable for pushing away
Extensively.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of novel check proposed
Valve.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of non-return valve, including rectangular tube are designed, the one middle side part level of rectangular tube is offered through rectangular tube
Circular hole, the through-hole through rectangular tube is also provided in the middle part of the rectangular tube other side, the rectangular tube inner vertical is connected with
Two support rods, two support rods are on same vertical line, and two support rods are mutually not in contact with each other, two supports
Fixed column is also connected between bar, the fixed column side is provided with the telescoping mechanism through fixed column, and telescoping mechanism extends
To the other side of fixed column, there are two round bar, the round bars to be located at circular hole the same side for the rectangular tube interior side horizontal connection
Rectangular tube inside, and the other end of two round bars is connect with two support rods respectively, also sliding setting on two round bars
Have round tube, be also connected with baffle between two round tubes, and the size of baffle is greater than the size of circular hole, the baffle with it is rectangular
Two groups of clamping mechanisms are additionally provided between pipe, the clamping mechanism includes fixture block and the side of being provided with being fixedly connected on baffle
The card hole of shape pipe interior side, the fixture block are fastened in card hole, and card hole and fixture block clearance fit.
Preferably, the telescoping mechanism includes the horizontal casing being fastened in fixed column and is horizontally arranged at baffle side
Connecting rod, and connecting rod extends partially on the inside of casing, and the connecting rod end on the inside of described sleeve pipe is equipped with limit plate, and limits
The diameter of position plate is greater than the diameter of connecting rod, is also connected between the limit plate side and inside pipe casing side and is provided with reset bullet
Spring.
Preferably, supporting mechanism, the supporting mechanism are additionally provided between described sleeve pipe lower end and rectangular tube inside lower end
Including being vertically installed at the support column of rectangular tube inside lower end and being mounted on the square block of side lower end side, the branch
Dagger upper part extends on the inside of square block, and upper end of support column part is T-shaped.
The utility model proposes a kind of non-return valve, beneficial effect is: the non-return valve can pass through water flow
Pressure baffle is opened, cooperate the adjusting of contracting mechanism, so that going back to baffle top when medium enters in pipeline telescoping mechanism
Initial position, so that circular hole is covered to achieve the effect that prevent medium back flow, and whole process by baffle fit clamping mechanism
Without artificial operation, therefore be conducive to promote.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of non-return valve structural schematic diagram.
Fig. 2 be the utility model proposes a kind of non-return valve structural side view.
Fig. 3 be the utility model proposes a kind of non-return valve telescoping mechanism schematic enlarged-scale view.
In figure: rectangular tube 1, card hole 2, telescoping mechanism 3, connecting rod 31, limit plate 32, reset spring 33, casing 34, baffle
4, circular hole 5, fixture block 6, round tube 7, round bar 8, support rod 9, fixed column 10, square block 11, support column 12, through-hole 13.
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.
Referring to Fig.1-3, a kind of non-return valve, including rectangular tube 1,1 one middle side part level of rectangular tube are offered through side
The circular hole 5 of shape pipe 1,1 other side of rectangular tube middle part are also provided with the through-hole 13 through rectangular tube 1, the connection of 1 inner vertical of rectangular tube
There are two support rods 9, and two support rods 9 are on same vertical line, and two 9 phases of support rod are not in contact with each other, two support rods 9
Between be also connected with fixed column 10,10 side of fixed column is provided with the telescoping mechanism 3 through fixed column 10, passes through two support rods
9 setting enables telescoping mechanism 3 is stable to be located in rectangular tube 1, and during media flow, position is not subjected to displacement,
To achieve the effect that better anti-backflow.
Telescoping mechanism 3 extends to the other side of fixed column 10, and telescoping mechanism 3 includes the set that level is fastened in fixed column 10
Pipe 34 and the connecting rod 31 for being horizontally arranged at 4 side of baffle, and connecting rod 31 extends partially on the inside of casing 34, in casing 34
31 end of connecting rod of side is equipped with limit plate 32, and the diameter of limit plate 32 is greater than the diameter of connecting rod 31, limit plate 32 1
It is also connected between 34 interior side of side and casing and is provided with reset spring 33, when medium enters 1 inside of rectangular tube, so that baffle
Gap occurs between 4 and circular hole 5, so that connecting rod 31 is to 34 contract of casing, so that the medium outside rectangular tube 1 flows into
Rectangular tube 1, when medium does not flow, baffle 4 can be moved to 1 side of rectangular tube under the action of reset spring 33, will justify
The lid of hole 5 closes, and prevents internal medium back flow.
It is additionally provided with supporting mechanism between 1 inside lower end of 34 lower end of casing and rectangular tube, supporting mechanism includes vertically-mounted
1 inside lower end of rectangular tube support column 12 and be mounted on the square block 11 of 34 lower end side of side casing, on support column 12
End part extends to 11 inside of square block, and 12 upper part of support column is T-shaped, by the design, enables in medium
Under impact, the position of casing 34 is maintained in the state of a stabilization, achievees the effect that more preferable anti-backflow.
There are two round bar 8, round bars 8 to be located inside the rectangular tube 1 of 5 the same side of circular hole for 1 interior side horizontal connection of rectangular tube,
And the other end of two round bars 8 is connect with two support rods 9 respectively, also sliding is provided with round tube 7, two circles on two round bars 8
Baffle 4 is also connected between pipe 7, and the size of baffle 4 is greater than the size of circular hole 5, is slidably arranged on round bar 8 by round tube 7,
Thus during baffle 4 is mobile, so that baffle 4 remains stable state.
Two groups of clamping mechanisms are additionally provided between baffle 4 and rectangular tube 1, clamping mechanism includes being fixedly connected on baffle 4
Fixture block 6 and be provided with the card hole 2 of 1 interior side of rectangular tube, fixture block 6 is fastened in card hole 2, and card hole 2 and 6 gap of fixture block
Cooperation, when baffle 4 is in contact with 1 interior side of rectangular tube, is fastened in card hole 2, so that the position of baffle 4 by fixture block 6
It can be defined, to prevent medium, there is a situation where flow back.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (3)
1. a kind of non-return valve, including rectangular tube (1), (1) the one middle side part level of rectangular tube is offered through rectangular tube
(1) circular hole (5), rectangular tube (1) other side middle part are also provided with the through-hole (13) through rectangular tube (1), and feature exists
In there are two support rod (9), two support rods (9) are in same vertical line for rectangular tube (1) the inner vertical connection
On, and two support rods (9) are mutually not in contact with each other, and are also connected with fixed column (10), the fixation between two support rods (9)
Column (10) side is provided with the telescoping mechanism (3) through fixed column (10), and telescoping mechanism (3) extends to the another of fixed column (10)
Side, there are two round bar (8), the round bars (8) to be located at circular hole (5) the same side for rectangular tube (1) the interior side horizontal connection
Rectangular tube (1) it is internal, and the other end of two round bars (8) is connect with two support rods (9) respectively, two round bars (8)
On also sliding be provided with round tube (7), be also connected with baffle (4) between two round tubes (7), and the size of baffle (4) is greater than
The size of circular hole (5) is additionally provided with two groups of clamping mechanisms between the baffle (4) and rectangular tube (1), and the clamping mechanism includes
The fixture block (6) that is fixedly connected on baffle (4) and the card hole (2) for being provided with rectangular tube (1) interior side, the fixture block (6)
It is fastened in card hole (2), and card hole (2) and fixture block (6) clearance fit.
2. a kind of non-return valve according to claim 1, which is characterized in that the telescoping mechanism (3) includes horizontal card
The casing (34) that is located on fixed column (10) and the connecting rod (31) for being horizontally arranged at baffle (4) side, and connecting rod (31)
It extends partially on the inside of casing (34), connecting rod (31) end on the inside of described sleeve pipe (34) is equipped with limit plate (32), and is limited
The diameter of position plate (32) is greater than the diameter of connecting rod (31), between limit plate (32) side and casing (34) interior side also
It is connected with reset spring (33).
3. a kind of non-return valve according to claim 2, which is characterized in that described sleeve pipe (34) lower end and rectangular tube
(1) supporting mechanism is additionally provided between inside lower end, the supporting mechanism includes being vertically installed at rectangular tube (1) inside lower end
Support column (12) and the square block (11) for being mounted on side casing (34) lower end side, the support column (12) upper part are prolonged
It extends on the inside of square block (11), and support column (12) upper part is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880769.0U CN208281576U (en) | 2018-06-07 | 2018-06-07 | A kind of non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820880769.0U CN208281576U (en) | 2018-06-07 | 2018-06-07 | A kind of non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281576U true CN208281576U (en) | 2018-12-25 |
Family
ID=64698423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820880769.0U Active CN208281576U (en) | 2018-06-07 | 2018-06-07 | A kind of non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674627A (en) * | 2021-02-05 | 2021-04-20 | 吕婧 | Foot bathing device based on bathtub |
-
2018
- 2018-06-07 CN CN201820880769.0U patent/CN208281576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112674627A (en) * | 2021-02-05 | 2021-04-20 | 吕婧 | Foot bathing device based on bathtub |
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