CN203797065U - Check valve core - Google Patents
Check valve core Download PDFInfo
- Publication number
- CN203797065U CN203797065U CN201420171263.4U CN201420171263U CN203797065U CN 203797065 U CN203797065 U CN 203797065U CN 201420171263 U CN201420171263 U CN 201420171263U CN 203797065 U CN203797065 U CN 203797065U
- Authority
- CN
- China
- Prior art keywords
- seat
- valve core
- helical pitch
- main body
- 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 - Lifetime
Links
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000006835 compression Effects 0.000 claims abstract description 4
- 238000007906 compression Methods 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
- Safety Valves (AREA)
Abstract
The utility model discloses a check valve core which is a valve structure capable of being directly mounted in a valve or a pipeline cavity to realize a medium non-return function in the pipeline. The structure of the check valve core comprises a main body, a lead seat, a lead support, a valve clack seat, a valve clack, a compression spring and the like, wherein a lug boss and a sealing washer are mainly arranged at the head of the main body; a bell-shaped buckling shoulder is arranged at the tail part of the lead seat, so that the log boss and the sealing washer can be utilized to enable the head of the check valve core to be mounted in the valve or the pipeline cavity in a sealing manner, and the buckling shoulder can be utilized to enable the tail of the check valve core to be buckled and mounted in the valve or the pipeline cavity. The mounting manner is different from the traditional internal and external threaded connection, and cancels thread processing in the valve or the pipeline cavity, and is strong in mounting randomness, good in safety performance and low in cost. In the meantime, the check valve core has the advantages of compactness in structure, smallness in size, convenience in mounting, and reliability in operation, provides more product choices for consumers, and fully meets market demands.
Description
Technical field
The utility model relates to a kind of valve core structure, specifically refers to and can be directly installed on undressed the have valve of connecting thread or the non-return valve core in inner cavity of pipe.
Background technique
In pipe-line system, except needs are equipped with for cutting off, distribute and changing the valve of the functions such as media flow direction, conventionally also need to mix the safety that the safety check that can prevent medium refluence is protected pipeline and equipment.Traditional way is independent on pipeline a safety check to be installed, its Placement be all by internal and external screw thread mutually screw realize, so not only increased input cost, also increased the workload of mounted valve.Disclosed China Patent No. is that 200510049784.8 " multifunctional non-return valve core " disclosed a kind of non-return valve core structure, this non-return valve core can be realized connection without valve or pipeline being carried out to screw thread processing when mounted, there is the features such as the randomness of installation is strong, Safety performance is good, cost is low, therefore be deeply subject to consumers in general's welcome.Yet, along with the development of whole valve pipe technology and the continuous expansion of valve consumption market, the non-return valve core with this linkage structure will become following a kind of Design trend undoubtedly, consumers in general also urgently wish that valve manufacturer can release the non-return valve cores with different structure and design form more, the more choice of Consumer to be provided and to meet market demand.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the defect of prior art and a kind of compact structure, small and exquisite, easy for installation, the reliable non-return valve core of volume is provided.
Technical problem of the present utility model is achieved through the following technical solutions:
A non-return valve core, comprises main body and is fastened and connected at the helical pitch seat of main body afterbody; Described body head is provided with water port, is provided with flap seat and flap that sealing opens and closes water port in main body; In described helical pitch seat, be provided with helical pitch support, be provided with the Compress Spring of mutual pushing tow between this helical pitch support and flap seat, described body head end face is provided with boss, and this boss periphery is embedded with seal washer; Described helical pitch seat afterbody is provided with flaring engaging shoulder.
Described helical pitch support is by directional post and the directional post of take, as the center of circle, to make the many stiffening ribs that radiation connects respectively to helical pitch base inner surface to form, and between adjacent two stiffening ribs, is provided with through hole; Described flap seat afterbody is provided with described directional post and forms axially movable pilot hole; Described Compress Spring is sleeved on outside directional post.
Described stiffening rib is made as three, and these three stiffening ribs be take directional post and made circumference uniform distribution as the center of circle, and the through hole between adjacent two stiffening ribs is fan shape.
Described flap seat afterbody is provided with the spring annular groove for described Compress Spring pushing installation, the position relationship that this spring annular groove and pilot hole are concentric; Described helical pitch support is provided with the erection column for described Compress Spring pushing installation, the position relationship that this erection column and directional post are concentric.
Described flap seat head is umbrella, at the flap seat head of umbrella, is arranged with annular groove outward, and described flap is inlaid in annular groove, and this flap exterior edge face is spring push and do sealing with water port and contact by compression.
The structure that is fastened and connected between described main body and helical pitch seat is between main body and helical pitch seat, to be respectively equipped with to fasten equipped bulge loop and circular groove.
Compared with prior art, the utility model is mainly, in the body head that forms non-return valve core, boss and seal washer are set, helical pitch seat afterbody arranges flaring engaging shoulder, therefore can make non-return valve core head seal be arranged in valve or inner cavity of pipe by boss and seal washer, by flaring engaging shoulder, can make non-return valve core afterbody be engaged and installed in valve or inner cavity of pipe, this mounting type be different from traditional in, outside thread connects, omitted the screw thread processing in valve or inner cavity of pipe, there is the randomness of installation strong, Safety performance is good, cost is low, easily change, the features such as long service life.Meanwhile, this non-return valve core also has the advantages such as compact structure, volume be small and exquisite, easy for installation, reliable, also for Consumer provides more product choice, and fully meets market demand.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model.
Fig. 2 is the stereogram (the visible view of head) of Fig. 1.
Fig. 3 is the stereogram (the visible view of afterbody) of Fig. 1.
Fig. 4 is the sectional structure schematic diagram of flap seat.
Fig. 5 is that the utility model is arranged on the sectional structure schematic diagram in valve or inner cavity of pipe.
Embodiment
To the utility model embodiment, elaborate again by above-mentioned accompanying drawing below.
As shown in Fig. 1 ~ Fig. 5,1. main body, 11. installation cavitys, 12. boss, 13. water ports, 2. flap, 3. flap seat, 31. pilot holes, 32. spring annular grooves, 33. annular grooves, 4. helical pitch seat, 41. engaging shoulders, 42. directional posts, 43. erection columns, 44. stiffening ribs, 45. through holes, 5. Compress Spring, 6. seal washer, 7. pipeline, 71. install in shoulder, 72. installation annular grooves.
Non-return valve core, as shown in Fig. 1 ~ Fig. 3, Fig. 5, it is a kind of can being directly installed in valve or inner cavity of pipe for realizing the valve mechanism of medium check function in pipeline.This non-return valve core be using the view left side of Fig. 1 as head, i.e. the one end that intakes, the view right side of Fig. 1 as afterbody, be water outlet one end, its structure mainly comprises main body 1, helical pitch seat 4, helical pitch support, flap seat 3, flap 2 and Compress Spring 5 etc.
Described main body 1 and helical pitch seat 4 all adopt cylindrical body tubulose structure, and this main body 1 is located at non-return valve core head, and helical pitch seat 4 is located at non-return valve core afterbody, has identical external diameter between the two; Between the circumferential surface that described main body 1 afterbody contacts with helical pitch seat 4 heads, be respectively equipped with and fasten equipped bulge loop and circular groove, to form being fastened and connected between the two.
Described main body 1 is the hollow product of molding and forming, is provided with an installation cavity 11 in this main body, and main body 1 head is provided with take the circular water port 13 that the shaft axis of main body is the center of circle, and this water port is connected with installation cavity 11, and in water port, 13 interior edge face is provided with interior shoulder; Described main body 1 head end is provided with boss 12, this boss periphery is embedded with seal washer 6, and the exterior edge face of seal washer is mutually concordant with the exterior edge face of boss 12, at non-return valve core, be arranged in pipeline 7 inner chambers as shown in Figure 5, the head of non-return valve core can be by takeing on 71 in seal washer 6 installations of contact in pipeline 7 inner chambers, thereby the motion of restriction non-return valve core, and reach the sealing effect between non-return valve core and pipeline 7.
In described main body 1, be provided with flap seat 3 and flap 2 that sealing opens and closes water port 13; As shown in Figure 4, its head is umbrella to described flap seat 3, at flap seat 3 heads of umbrella, is arranged with annular groove 33 outward, and in annular groove setting-in flap 2, the interior shoulder of the Ke Yu water port, exterior edge face 13 of this flap is done sealing contact; Described flap seat 3 afterbodys are provided with pilot hole 31 and the spring annular groove 32 of concentric.
In described helical pitch seat 4, be provided with the helical pitch support of linking body structure, this helical pitch support is by the center of circle, to make three stiffening ribs 44 that radiation connects respectively to helical pitch base inner surface and formed by being arranged on the directional post 42 in helical pitch seat axle center and take directional post, three stiffening ribs are circumference uniform distribution, between adjacent two stiffening ribs 44, form the through hole 45 of fan shape, for being communicated with respectively installation cavity 11 and the water outlet one end in main body 1; The interior also formation of pilot hole 31 that described directional post 42 heads stretch into flap seat 3 afterbodys moves axially; On described helical pitch support, be also provided with an erection column 43, the position relationship that this erection column and directional post 42 are concentric.
Described Compress Spring 5 employing dish springs, it is sleeved on outside directional post 42, these Compress Spring 5 two ends difference pushing installation are on the erection column 43 of helical pitch support and in the spring annular groove 32 of flap seat 3 ear end faces, flap seat 3 under normality is spring 5 pushing tows and make flap 2 exterior edge faces sealing contacts on the interior shoulder of water port 13 by compression, thereby form the closed condition of non-return valve core.
Described helical pitch seat 4 afterbodys are arranged with flaring engaging shoulder 41 outward, at non-return valve core, be arranged in pipeline 7 inner chambers as shown in Figure 5, the afterbody of non-return valve core can be takeed on 41 by engaging and be fastened in the installation annular groove 72 of pipeline 7 inner chambers, and play the effect of thrust, prevent that the non-return valve core after installing is subject to intake pressure effect and is pushed out pipeline 7.
The above is only better embodiment of the present utility model, and the equivalence of doing according to structure, feature and principle described in the utility model patent claim therefore all changes or modifies, and is included in the utility model patent claim.
Claims (6)
1. a non-return valve core, comprises main body (1) and is fastened and connected at the helical pitch seat (4) of main body afterbody; Described main body (1) head is provided with water port (13), is provided with flap seat (3) and flap (2) that sealing opens and closes water port (13) in main body; In described helical pitch seat (4), be provided with helical pitch support, between this helical pitch support and flap seat (3), be provided with the Compress Spring (5) of mutual pushing tow, it is characterized in that described main body (1) head end is provided with boss (12), this boss periphery is embedded with seal washer (6); Described helical pitch seat (4) afterbody is provided with flaring engaging shoulder (41).
2. non-return valve core according to claim 1, it is characterized in that described helical pitch support is as the center of circle, to make many stiffening ribs (44) formation that radiation connects by directional post (42) and the directional post of take respectively to helical pitch seat (4) internal surface, is provided with through hole (45) between adjacent two stiffening ribs; Described flap seat (3) afterbody is provided with described directional post (42) and forms axially movable pilot hole (31); Described Compress Spring (5) is sleeved on outside directional post (42).
3. non-return valve core according to claim 2, is characterized in that described stiffening rib (44) is made as three, and these three stiffening ribs be take directional post (42) and made circumference uniform distribution as the center of circle, and the through hole (45) between adjacent two stiffening ribs (44) is fan shape.
4. non-return valve core according to claim 2, is characterized in that described flap seat (3) afterbody is provided with the spring annular groove (32) for described Compress Spring (5) pushing installation, the position relationship that this spring annular groove and pilot hole (31) are concentric; Described helical pitch support is provided with the erection column (43) for described Compress Spring (5) pushing installation, the position relationship that this erection column and directional post (42) are concentric.
5. non-return valve core according to claim 1, it is characterized in that described flap seat (3) head is umbrella, flap seat head in umbrella is arranged with annular groove (33) outward, described flap (2) is inlaid in annular groove (33), and this flap (2) exterior edge face is spring (5) pushing tow and do sealing with water port (13) and contact by compression.
6. according to the non-return valve core described in claim 1 ~ 5 any one, it is characterized in that described main body (1) and the structure that is fastened and connected between helical pitch seat (4) are between main body (1) and helical pitch seat (4), to be respectively equipped with to fasten equipped bulge loop and circular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171263.4U CN203797065U (en) | 2014-04-10 | 2014-04-10 | Check valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420171263.4U CN203797065U (en) | 2014-04-10 | 2014-04-10 | Check valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203797065U true CN203797065U (en) | 2014-08-27 |
Family
ID=51379276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420171263.4U Expired - Lifetime CN203797065U (en) | 2014-04-10 | 2014-04-10 | Check valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203797065U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801750A (en) * | 2015-11-25 | 2017-06-06 | 海力达德国有限公司 | Check-valves for the connecting rod of changeably compression internal combustion engine and the connecting rod with this check-valves |
| CN108061185A (en) * | 2016-11-08 | 2018-05-22 | 青岛牧港畜牧机械有限公司 | The internal combination part manufacture mounting process of dripping-free valve |
| CN109296855A (en) * | 2018-11-14 | 2019-02-01 | 江苏宝瑞创流体科技有限公司 | A kind of valve with cleaning structure |
-
2014
- 2014-04-10 CN CN201420171263.4U patent/CN203797065U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106801750A (en) * | 2015-11-25 | 2017-06-06 | 海力达德国有限公司 | Check-valves for the connecting rod of changeably compression internal combustion engine and the connecting rod with this check-valves |
| CN108061185A (en) * | 2016-11-08 | 2018-05-22 | 青岛牧港畜牧机械有限公司 | The internal combination part manufacture mounting process of dripping-free valve |
| CN109296855A (en) * | 2018-11-14 | 2019-02-01 | 江苏宝瑞创流体科技有限公司 | A kind of valve with cleaning structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203797065U (en) | Check valve core | |
| WO2017161859A1 (en) | Water path component for water purifier and water purifier having water path component | |
| CN203314756U (en) | Air charging connector of sparkling water machine | |
| CN202674413U (en) | Water inflow solenoid valve with anti-siphon device | |
| CN203627890U (en) | Temperature-measuring ball check valve | |
| CN203836298U (en) | Water meter connecting pipe gate valve | |
| CN202914801U (en) | Bi-directional fluid extra high voltage reversing valve of totally enclosed electromagnetic | |
| CN203548317U (en) | L-shaped sealing ring structure for pump shell of centrifugal pump | |
| CN204420196U (en) | Two enter scene 2 Inner part of water valve | |
| CN205479625U (en) | Promotion formula pneumatic valve of convenient equipment | |
| CN203571156U (en) | Faucet structure | |
| CN204459311U (en) | A kind of one-way valve of anti-siphon | |
| CN207406780U (en) | A kind of flow control valve | |
| CN205592046U (en) | Motor vehicle fuel regulator | |
| CA2807976C (en) | Manometric interface and air switch for a blower | |
| CN202391634U (en) | Pressure regulator | |
| EP3690293B1 (en) | Block and fluid control device | |
| CN202708318U (en) | Rotating water channel structure of draw-out faucet | |
| CN203540787U (en) | Quick plug universal nozzle | |
| CN102529715A (en) | Lining for shift lever of automobile | |
| CN212985679U (en) | Direct-acting overflow valve | |
| CN202055847U (en) | Large-flowrate safety valve | |
| CN201531345U (en) | Pressure regulator used for oil fuel pump | |
| CN106112906A (en) | It is a kind of that main oil pressure electromagnetic valve is lossless disassembles and assembly tool | |
| CN202010774U (en) | Movable mold core cooling device of automobile generator housing mold |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140827 |
|
| CX01 | Expiry of patent term |