CN205806579U - A kind of check-valves - Google Patents
A kind of check-valves Download PDFInfo
- Publication number
- CN205806579U CN205806579U CN201620636671.1U CN201620636671U CN205806579U CN 205806579 U CN205806579 U CN 205806579U CN 201620636671 U CN201620636671 U CN 201620636671U CN 205806579 U CN205806579 U CN 205806579U
- Authority
- CN
- China
- Prior art keywords
- rocking bar
- valve body
- fork
- fixed
- flap
- 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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- Mechanically-Actuated Valves (AREA)
Abstract
nullThe utility model discloses a kind of check-valves，Including valve body and valve gap，Described valve gap is arranged on valve body，Described valve body is provided with intake tunnel、Cavity and exhalant canal，Described intake tunnel、Cavity and exhalant canal are through，It is provided with fork in described cavity、Rocking bar and flap，One end of described fork is fixing end，The other end is suspended end，The fixing end of described fork is fixed on the inwall of cavity，Described suspended end is provided with straight pin，One end of described rocking bar is provided with pin-and-hole，The other end of rocking bar is provided with jack，Described flap is provided with plug，Described rocking bar is sleeved on straight pin hinged with fork by pin-and-hole，Described flap is fixed on rocking bar through jack by plug，The water side of described intake tunnel is provided with extension，Extension and flap cooperatively form sealing，Described fork is provided with limited block，Damping washer it is set with on limited block，Rocking bar is provided with stopper slot.This utility model effectively prevent the shock of flap and valve body, and rocking bar swings convenient, and service life is long.
Description
Technical field
This utility model relates to family of power and influence field, particularly relates to a kind of check-valves.
Background technology
Check-valves also known as check (non-return) valve, check valve or non-return valve, its effect be prevent medium directed flow in pipeline and not
Cause the function flow backwards.Check-valves is a kind of conventional valve class device, and its principle is dependent on the strength of media flow and realizes opening and closing, with
Prevent the refluence of medium.Check-valves is mainly used on the pipeline of medium one-way flow, only allows medium to flow to a direction.When
Current clash flap, drive the rocking bar on flap to rotate up and touch valve interior wall, under constantly the clashing into of rocking bar, and valve
Internal wall is highly susceptible to damage and even ruptures；When the water flow stops, flap is closed at suddenly the valve seat of valve body by action of gravity
On, valve seat is easily subject to damage, and then is greatly shortened the service life having influence on check-valves.
Such as the Chinese utility model patent " check-valves " of Patent No. 201420184363.0, disclose a kind of check-valves,
Solving after valve inner impacted by flowing water, the problem that rocking bar and flap are serious to valve body infringement, its drip irrigation device is bag
Including valve body and the rocking bar being arranged in valve body, described valve body is provided with intake tunnel and exhalant canal, and described intake tunnel is corresponding
One end of exhalant canal is provided with the valve seat connected with intake tunnel, and described rocking bar is installed with flap, described valve seat and valve
Be fixedly connected with elastic component between lobe, described valve interior wall is wholely set protrude valve interior wall surface block, described in shake
The lobe being connected of can conflicting it is wholely set with block on bar.This patent is disadvantageous in that, waves and is connected on valve seat,
Valve seat all can be pullled by each swing of rocking bar, after life-time service, valve seat there will be loosen cause valve seal to occur
Problem.
Utility model content
The purpose of this utility model is the problems referred to above overcoming prior art to exist, and proposes a kind of check-valves.This practicality
New structure is simple, easily manufactured, and sealing is strong, effectively prevent the shock of flap and valve body, and rocking bar swings convenient, uses the longevity
Life is long.
This utility model realizes by the following technical solutions:
A kind of check-valves, it is characterised in that: including that valve body and valve gap, described valve gap are arranged on valve body, described valve body sets
Having intake tunnel, cavity and exhalant canal, described intake tunnel, cavity and exhalant canal are through, be provided with in described cavity fork,
Rocking bar and flap, one end of described fork is fixing end, and the other end is suspended end, and the fixing end of described fork is fixed on cavity
On inwall, described suspended end is provided with straight pin, and one end of described rocking bar is provided with pin-and-hole, and the other end of rocking bar is provided with jack, institute
Stating flap and be provided with plug, described rocking bar is sleeved on straight pin hinged with fork by pin-and-hole, and described flap is passed by plug
Jack is fixed on rocking bar, and the water side of described intake tunnel is provided with extension, and described fork is provided with limited block, on limited block
Being set with damping washer, rocking bar is provided with stopper slot.
The inwall of described cavity is provided with boss, and the fixing end of described fork is fixed on boss.
Also including screw, the fixing end of described fork is provided with hanging platform, and hanging platform is provided with hanging hole, and described boss is provided with boss
Hole, described hanging platform sequentially passes through hanging hole by screw and boss hole is fixed on boss.
Described valve body is provided with annular groove, and described valve gap is provided with bulge loop, and valve gap is fixed on valve in embedding annular groove by bulge loop
On body.
It is provided with packing ring in described annular groove.
Also include that nut I and stud, nut I are sleeved on stud, described valve body and valve gap are equipped with installing hole, described
Valve gap is fixed on valve body through installing hole by stud.
Also including nut II, described plug is fixed on rocking bar by nut II.
This utility model compared with prior art, has an advantage in that:
1, this utility model uses described fork to be provided with limited block, limited block is set with damping washer, rocking bar sets
Limited location groove, effectively prevent the shock of flap and valve body, and rocking bar swings convenient, and service life is long.
2, this utility model uses the inwall of described cavity to be provided with boss, and the fixing end of described fork is fixed on boss
On, fork is installed by boss, and the swing of rocking bar has been effectively ensured, and efficiently solves prior art and exists and wave and be connected to valve seat
On, valve seat all can be pullled by each swing of rocking bar, after life-time service, valve seat there will be loosen cause valve seal to go out
Existing problem.
3, this utility model uses and also includes screw, and the fixing end of described fork is provided with hanging platform, and hanging platform is provided with hanging hole, institute
Stating boss and be provided with boss hole, described hanging platform sequentially passes through hanging hole by screw and boss hole is fixed on boss, can will pitch
Son is locked on boss, stabilized structure.
4, this utility model uses described valve body to be provided with annular groove, and described valve gap is provided with bulge loop, and valve gap is embedding by bulge loop
It is fixed on valve body in entering annular groove, facilitates valve gap and embed in valve body, add integrally-built steadiness.
5, this utility model is provided with packing ring in using described annular groove, and packing ring can play cushioning effect.
6, this utility model uses and also includes that nut I and stud, nut I are sleeved on stud, on described valve body and valve gap
Being equipped with installing hole, described valve gap is fixed on valve body through installing hole by stud, is fixed on valve body by valve gap further,
Further increase integrally-built steadiness.
7, this utility model uses and also includes nut II, and described plug is fixed on rocking bar by nut II, facilitates slotting
Head fixing, simple in construction and firm, convenient disassembly.
8, this utility model overall structure is simple, and dismantles and safeguard very convenient, is particularly well-suited to popularize.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation.
Fig. 2 is valve cover structure schematic diagram of the present utility model.
Fig. 3 is rocker structure schematic diagram of the present utility model.
Fig. 4 is fork structure schematic diagram of the present utility model.
Fig. 5 is valve body structure schematic diagram of the present utility model.
Fig. 6 is valve body top view of the present utility model.
Fig. 7 is valve flap structure schematic diagram of the present utility model.
Labelling in figure: 1, valve body, 2, valve gap, 3, intake tunnel, 4, cavity, 5, exhalant canal, 6, fork, 7, rocking bar, 8,
Flap, 9, straight pin, 10, pin-and-hole, 11, jack, 12, plug, 13, extension, 14, boss, 15, screw, 16, hanging platform, 17, convex
Ring, 18, packing ring, 19, nut II, 20, nut I, 21, stud, 22, limited block, 23, damping washer, 24, stopper slot.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further detailed:
Embodiment 1:
A kind of check-valves, including valve body 1 and valve gap 2, described valve gap 2 is arranged on valve body 1, and described valve body 1 is provided with into water
Passage 3, cavity 4 and exhalant canal 5, described intake tunnel 3, cavity 4 and exhalant canal 5 are through, are provided with fork in described cavity 4
6, rocking bar 7 and flap 8, one end of described fork 6 is fixing end, and the other end is suspended end, and the fixing end of described fork 6 is fixed on
On the inwall of cavity 3, described suspended end is provided with straight pin 9, and one end of described rocking bar 7 is provided with pin-and-hole 10, the other end of rocking bar 7
Being provided with jack 11, described flap 8 is provided with plug 12, and described rocking bar 7 is sleeved on straight pin 9 hinged with fork 6 by pin-and-hole 10,
Described flap 8 is fixed on rocking bar 7 through jack 11 by plug 12, and the water side of described intake tunnel 3 is provided with extension 13,
Extension 13 and flap 8 cooperatively form sealing, and described fork 6 is provided with limited block 22, limited block 22 is set with damping washer
23, rocking bar 7 is provided with stopper slot 24.
In this utility model, the inwall of described cavity 4 is provided with boss 14, and the fixing end of described fork 6 is fixed on boss
On 14.
In this utility model, also including that screw 15, the fixing end of described fork 6 are provided with hanging platform 16, hanging platform 16 is provided with extension
Hole, described boss 14 is provided with boss hole, and described hanging platform 16 sequentially passes through hanging hole by screw 15 and boss hole is fixed on boss
On 14.
In this utility model, also including nut I 20 and stud 21, nut I 20 is sleeved on stud 21, described valve body 1 He
Being equipped with installing hole on valve gap 2, described valve gap 2 is fixed on valve body 1 through installing hole by stud 21.
In this utility model, also include that nut II 19, described plug 12 are fixed on rocking bar 7 by nut II 19.
Embodiment 2:
A kind of check-valves, including valve body 1 and valve gap 2, described valve gap 2 is arranged on valve body 1, and described valve body 1 is provided with into water
Passage 3, cavity 4 and exhalant canal 5, described intake tunnel 3, cavity 4 and exhalant canal 5 are through, are provided with fork in described cavity 4
6, rocking bar 7 and flap 8, one end of described fork 6 is fixing end, and the other end is suspended end, and the fixing end of described fork 6 is fixed on
On the inwall of cavity 3, described suspended end is provided with straight pin 9, and one end of described rocking bar 7 is provided with pin-and-hole 10, the other end of rocking bar 7
Being provided with jack 11, described flap 8 is provided with plug 12, and described rocking bar 7 is sleeved on straight pin 9 hinged with fork 6 by pin-and-hole 10,
Described flap 8 is fixed on rocking bar 7 through jack 11 by plug 12, and the water side of described intake tunnel 3 is provided with extension 13,
Extension 13 and flap 8 cooperatively form sealing, and described fork 6 is provided with limited block 22, limited block 22 is set with damping washer
23, rocking bar 7 is provided with stopper slot 24.
In this utility model, the inwall of described cavity 4 is provided with boss 14, and the fixing end of described fork 6 is fixed on boss
On 14.
In this utility model, also including that screw 15, the fixing end of described fork 6 are provided with hanging platform 16, hanging platform 16 is provided with extension
Hole, described boss 14 is provided with boss hole, and described hanging platform 16 sequentially passes through hanging hole by screw 15 and boss hole is fixed on boss
On 14.
In this utility model, described valve body 1 is provided with annular groove, and described valve gap 2 is provided with bulge loop 17, and valve gap 2 passes through bulge loop
It is fixed on valve body 1 in 17 embedding annular grooves.
In this utility model, in described annular groove, it is provided with packing ring 18.
In this utility model, also including nut I 20 and stud 21, nut I 20 is sleeved on stud 21, described valve body 1 He
Being equipped with installing hole on valve gap 2, described valve gap 2 is fixed on valve body 1 through installing hole by stud 21.
In this utility model, also include that nut II 19, described plug 12 are fixed on rocking bar 7 by nut II 19.
This utility model is not limited to above-described embodiment, and all within spirit of the present utility model and principle, that is made is any
Amendment, equivalent, improvement etc., within should be included in protection domain of the present utility model.
Claims (7)
1. a check-valves, it is characterised in that: including valve body (1) and valve gap (2), described valve gap (2) is arranged on valve body (1),
Described valve body (1) is provided with intake tunnel (3), cavity (4) and exhalant canal (5), described intake tunnel (3), cavity (4) and water outlet
Passage (5) is through, is provided with fork (6), rocking bar (7) and flap (8) in described cavity (4), and one end of described fork (6) is fixing
End, the other end is suspended end, and the fixing end of described fork (6) is fixed on the inwall of cavity (4), and described suspended end is provided with circle
Pin (9), one end of described rocking bar (7) is provided with pin-and-hole (10), and the other end of rocking bar (7) is provided with jack (11), described flap (8)
Being provided with plug (12), it is upper hinged with fork (6) that described rocking bar (7) is sleeved on straight pin (9) by pin-and-hole (10), described flap
(8) being fixed on rocking bar (7) through jack (11) by plug (12), the water side of described intake tunnel (3) is provided with extension
(13), extension (13) and flap (8) cooperatively form sealing, and described fork (6) is provided with limited block (22), on limited block (22)
Being set with damping washer (23), rocking bar (7) is provided with stopper slot (24).
A kind of check-valves the most according to claim 1, it is characterised in that: the inwall of described cavity (4) is provided with boss
(14), the fixing end of described fork (6) is fixed on boss (14).
A kind of check-valves the most according to claim 2, it is characterised in that: also include screw (15), consolidating of described fork (6)
Fixed end is provided with hanging platform (16), and hanging platform (16) is provided with hanging hole, and described boss (14) is provided with boss hole, and described hanging platform (16) passes through
Screw (15) sequentially passes through hanging hole and boss hole is fixed on boss (14).
A kind of check-valves the most according to claim 1, it is characterised in that: described valve body 1 is provided with annular groove, described valve gap
(2) being provided with bulge loop (17), valve gap (2) is fixed on valve body (1) in embedding annular groove by bulge loop (17).
A kind of check-valves the most according to claim 4, it is characterised in that: it is provided with packing ring (18) in described annular groove.
A kind of check-valves the most according to claim 1, it is characterised in that: also include nut I (20) and stud (21), nut
I (20) is sleeved on stud (21), and described valve body (1) and valve gap (2) are equipped with installing hole, and described valve gap (2) passes through stud
(21) it is fixed on valve body (1) through installing hole.
A kind of check-valves the most according to claim 1, it is characterised in that: also include nut II (19), described plug (12)
It is fixed on rocking bar (7) by nut II (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636671.1U CN205806579U (en) | 2016-06-25 | 2016-06-25 | A kind of check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620636671.1U CN205806579U (en) | 2016-06-25 | 2016-06-25 | A kind of check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806579U true CN205806579U (en) | 2016-12-14 |
Family
ID=57506522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620636671.1U Expired - Fee Related CN205806579U (en) | 2016-06-25 | 2016-06-25 | A kind of check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205806579U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662214A (en) * | 2018-07-10 | 2018-10-16 | 邹学俊 | Double check valve and fluid delivery pipeline with it |
-
2016
- 2016-06-25 CN CN201620636671.1U patent/CN205806579U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662214A (en) * | 2018-07-10 | 2018-10-16 | 邹学俊 | Double check valve and fluid delivery pipeline with it |
| CN108662214B (en) * | 2018-07-10 | 2024-05-14 | 邹学俊 | Two-way check valve and fluid conveying pipeline with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170625 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |