CN207715832U - A kind of Double-disc type check valve - Google Patents
A kind of Double-disc type check valve Download PDFInfo
- Publication number
- CN207715832U CN207715832U CN201721628020.9U CN201721628020U CN207715832U CN 207715832 U CN207715832 U CN 207715832U CN 201721628020 U CN201721628020 U CN 201721628020U CN 207715832 U CN207715832 U CN 207715832U
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- fixed block
- valve body
- groove
- double
- disc type
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- Multiple-Way Valves (AREA)
- Valve Housings (AREA)
Abstract
The utility model discloses a kind of Double-disc type check valves, including hollow valve body, valve rod, first flap, the second flap, dynamic clamping head and quiet clamping head and gag lever post are arranged with the first fitting groove and the second fitting groove for axially extending part valve body from valve body end face on valve rod inner wall, the first fixed block being adapted to it are equipped in the first fitting groove, the second fixed block being adapted to it is installed, the both ends of valve rod and gag lever post are respectively assembled on the first fixed block and the second fixed block in the second fitting groove；Valve interior wall forms groove, and the limiting slot that can be connected with groove is respectively equipped on the first fixed block and the second fixed block, is arranged in the elastic collar in groove in limiting slot, and the first fixed block and the second fixed block is prevented to be detached from valve body.The utility model connection structure is stable, secured, convenient for disassembly and assembly, is not necessarily to extra connection structure, completely without leakage point, the leakproofness of valve body is unaffected, and valve body is effectively prevent to reveal, and long-play also can guarantee securely and reliably.
Description
Technical field
The utility model belongs to valve technology field, more particularly, to a kind of Double-disc type check valve.
Background technology
It is two semicircles that Bivalved check valve, which uses wafer type, dish plate, prevents medium reverse flow, is forced using spring multiple
Position is widely used in pure pipeline and industry, environmental protection, water process, high level are built because its occupied installation space is small, light-weight
It builds in the gas-liquids pipe-line system such as water-feeding ＆ drainaging pipeline.
Traditional Double-disc type check valve, valve rod with only stop axis by nut or rivet interlacement in the mounting hole through valve body
Interior, after long-time use, the leakproofness of valve body cannot be guaranteed, and medium or by mounting hole and valve rod and stop in the gap for stopping axis
It passes through, influences the strainability of valve body.
In view of the above-mentioned problems, Chinese patent CN 205207783 discloses one kind《To folder double-disc swing check valve center
Position axle fixing structure》, in valve body inner bore wall from down-set two crescents of end face of flange, centralized positioning axis both ends are packed into
In crescent, top is equipped with crescent moon pressing plate, is fixedly connected between crescent moon pressing plate and valve body.It is by crescent moon pressing plate by centralized positioning
Axis limits in crescent, avoids two leakage points present on former valve body.But above structure is in order to reinforce crescent moon pressing plate
It with the connection of valve body, needs to fix swing link and valve body using sunk screw, every piece of crescent moon pressing plate wound two countersunk heads of setting
Screw, it is complicated, and by vibration is generated after the impact of fluid shadow can be generated to integrally-built stability and leakproofness
It rings.
Invention content
For overcome the deficiencies in the prior art, the utility model offer one kind is simple in structure, easy for installation, sealing performance is good
Double-disc type check valve.
Technical solution adopted by the utility model to solve its technical problems is：A kind of Double-disc type check valve, including it is hollow
Valve body, valve rod, the first flap, the second flap, dynamic clamping head and quiet clamping head and the gag lever post being rotatably connected on valve rod, the valve rod
It is arranged with the first fitting groove and the second fitting groove on inner wall, first fitting groove and the second fitting groove are from valve body end face along axis
To extension valve body, the first fixed block being adapted to it is installed in first fitting groove, is equipped in the second fitting groove
The both ends of the second fixed block being adapted to it, the valve rod and gag lever post are respectively assembled at the first fixed block and the second fixed block
On；The valve interior wall is formed with groove circumferentially, and being respectively equipped on first fixed block and the second fixed block can
The limiting slot being connected with groove is arranged in the elastic collar in groove in limiting slot, prevents the first fixed block and second
Fixed block is detached from valve body.
Further, the first jack being inserted into for valve rod and be inserted into for gag lever post second is formed on first fixed block
Jack.
Further, first jack and the second jack are blind hole.
Further, the section of first fixed block is in crescent shape.
Further, the groove and limiting slot extend the circle setting of valve interior wall one.
Further, the section of the groove takes the shape of the letter U, V-arrangement or arcuate structure.
Further, the groove is arranged close to valve body end face.
Further, first fitting groove is opened in the end face of valve body upper fluid outflow.
Further, the elastic collar is C-shaped snap ring.
Further, on the valve body wall thickness supplement portion is equipped with corresponding to the position of the first fitting groove.
The utility model has the beneficial effects that:The utility model is by dynamic clamping head and quiet clamping head, gag lever post, the first flap, the second valve
Valve and the first fixed block, the second fixed block install rear whole the first fitting groove and the second fitting groove being inserted into valve body, then profit
It is fixed with elastic collar, symmetrical connection structure is stable, secured, convenient for disassembly and assembly, is not necessarily to extra connection structure, does not have completely
There are leakage point, the leakproofness of valve body to be unaffected, valve body is effectively prevent to reveal, long-play also can guarantee that safety can
It leans on, valve rod not will produce vibration, and service life is long.
Description of the drawings
Fig. 1 is the valve body side structure schematic view of the utility model.
Fig. 2 is the main structure diagram of the utility model.
Fig. 3 is the A-A cross-sectional views in Fig. 2.
Fig. 4 is the main structure diagram of the first fixed block.
Fig. 5 is the cross-sectional view of the first fixed block.
Fig. 6 is the overlooking structure diagram of the first fixed block.
Fig. 7 is the sectional perspective structural schematic diagram of the utility model.
Specific implementation mode
In order to make those skilled in the art be better understood from the utility model, below in conjunction with the utility model reality
The attached drawing in example is applied, clear, complete description is carried out to the technical scheme in the embodiment of the utility model, it is clear that described
Embodiment is only a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts is all answered
When the range for belonging to the utility model protection.
As shown in figs. 1-7, a kind of Double-disc type check valve includes the valve body 1 of hollow cylindrical, along the valve of 1 radially installed of valve body
Bar 2 is set in dynamic clamping head and quiet clamping head on valve rod 2, the first flap, the second flap, the gag lever post 3 parallel with valve rod 2.In valve body 1
Wall is provided in the axial direction with the first fitting groove 11 from end face, is filled with 11 symmetrically arranged second fitting groove 12 of the first fitting groove, first
Slot allocation 11 and the second fitting groove 12 are the blind hole structure not through entire valve body 1, i.e. the first fitting groove 11 and the second fitting groove 12
Depth extension valve body 1, rather than entire valve body 1.Shape, size and the first fitting groove 11 are arranged in first fitting groove 11
First fixed block 4 of adaptation is arranged with shape in the second fitting groove 12, the second fixed block that size is adapted to the second fitting groove 12
5。
The section of first fixed block 4 is in crescent shape, and the first jack 41 is offered on the one side flushed with 1 inner wall of valve body
With the second jack 42, the first jack 41 and the second jack 42 are the blind hole structure not through the first fixed block 4, the second fixed block
5 structures having the same.One end of valve rod 2 is inserted into the first jack 41 on the first fixed block 4, and the other end of valve rod 2 is inserted into
In the first jack on second fixed block 5, one end of gag lever post 3 is inserted into the second jack 42 on the first fixed block 4, gag lever post
3 other end is inserted into the second jack on the second fixed block 5.
In order to ensure the intensity of valve body 1, valve body 1 can be set to inner ring body and outer ring body, the first fitting groove 11 and
Two fitting grooves 12 are arranged on inner ring body, what the outer wall formation of inner ring body and the first fitting groove 11 and the second fitting groove 12 matched
Protrusion, i.e. wall thickness supplement portion 14, the inner wall of outer ring body form the recessed portion being adapted to protrusion.
The inner wall of valve body 1 forms groove 13, which is to be open towards the centrally disposed U-lag of valve body 1 or V-shaped groove or circle
Curved slot arrangement forms limiting slot 43 on the first fixed block 4, limiting slot 51, groove 13, limiting slot is formed on the second fixed block 5
43 and limiting slot 51 extend 1 inner wall one of valve body circle setting, i.e., groove 13 extends through the first fixed block 4 and the second fixed block 5.It is recessed
Slot 13 is arranged close to 1 end face of valve body, and the end face is located at one end of fluid outflow.
After dynamic clamping head and quiet clamping head, the first flap, the second flap are installed on valve rod 2, by valve rod 2,3 both ends of gag lever post point
It does not install into the first fixed block 4 and the second fixed block 5, then entirety is inserted into the first fitting groove 11 and the second fitting groove of valve body 1
In 12, elastic collar is then caught in groove 13, in this present embodiment, elastic collar can be C-shaped snap ring, and elastic collar is worn
Limiting slot 43 and limiting slot 51 are crossed, to which the first fixed block 4 and the second fixed block 5 are firmly limited in the first fitting groove 11 and the
In two fitting grooves 12.
Above-mentioned specific implementation mode is used for illustrating the utility model, rather than limits the utility model,
In the spirit and scope of the claims of the utility model, to any modifications and changes that the utility model is made, all fall
Enter the scope of protection of the utility model.
Claims (10)
1. a kind of Double-disc type check valve, including hollow valve body (1), valve rod (2), first be rotatably connected on valve rod (2)
Flap, the second flap, dynamic clamping head and quiet clamping head and gag lever post (3), it is characterised in that：It is arranged with first on valve body (1) inner wall
Fitting groove (11) and the second fitting groove (12), first fitting groove (11) and the second fitting groove (12) are from valve body (1) end face edge
Axial continuation valve body (1), first fitting groove (11) is interior to be equipped with the first fixed block (4) being adapted to it, the second dress
The second fixed block (5) being adapted to it is installed, the both ends of the valve rod (2) and gag lever post (3) are assembled respectively in slot allocation (12)
On the first fixed block (4) and the second fixed block (5)；Valve body (1) inner wall is formed with groove (13) circumferentially, institute
The limiting slot (43,51) that is respectively equipped with and can be connected with groove (13) on the first fixed block (4) and the second fixed block (5) is stated, is blocked
Elastic collar in groove (13) passes through in limiting slot (43,51), prevents the first fixed block (4) and the second fixed block (5)
It is detached from valve body (1).
2. Double-disc type check valve according to claim 1, it is characterised in that：It is formed for valve on first fixed block (4)
The first jack (41) that bar (2) is inserted into and the second jack (42) being inserted into for gag lever post (3).
3. Double-disc type check valve according to claim 2, it is characterised in that：First jack (41) and the second jack
(42) it is blind hole.
4. Double-disc type check valve according to claim 1, it is characterised in that：The section of first fixed block (4) is in the moon
Tooth shape.
5. Double-disc type check valve according to claim 1, it is characterised in that：The groove (13) and limiting slot (43,51)
Extend the circle setting of valve body (1) inner wall one.
6. Double-disc type check valve according to claim 1, it is characterised in that：The section of the groove (13) takes the shape of the letter U, V-arrangement
Or arcuate structure.
7. Double-disc type check valve according to claim 1 or 6, it is characterised in that：The groove (13) is held close to valve body (1)
Face is arranged.
8. Double-disc type check valve according to claim 1, it is characterised in that：First fitting groove (11) is opened in valve body
(1) end face of upper fluid outflow.
9. Double-disc type check valve according to claim 1, it is characterised in that：The elastic collar is C-shaped snap ring.
10. Double-disc type check valve according to claim 1, it is characterised in that：Correspond to the first assembly on the valve body (1)
The position of slot (11) is equipped with wall thickness supplement portion (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628020.9U CN207715832U (en) | 2017-11-29 | 2017-11-29 | A kind of Double-disc type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721628020.9U CN207715832U (en) | 2017-11-29 | 2017-11-29 | A kind of Double-disc type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715832U true CN207715832U (en) | 2018-08-10 |
Family
ID=63057637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721628020.9U Active CN207715832U (en) | 2017-11-29 | 2017-11-29 | A kind of Double-disc type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715832U (en) |
-
2017
- 2017-11-29 CN CN201721628020.9U patent/CN207715832U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210331 Address after: No.2 Guangchuan Road, Lianhuashan Industrial Park, Jiangshan Economic Development Zone, Jiangshan City, Quzhou City, Zhejiang Province Patentee after: Zhejiang Weiman Precision Machinery Co.,Ltd. Address before: No.83 pinggangshan, Yutou village, Hecun Town, Jiangshan City, Quzhou City, Zhejiang Province Patentee before: JIANGSHAN BAOSH MACHINERY MANUFACTURING Co.,Ltd. |
|
| TR01 | Transfer of patent right |