CN210106688U - Miniature check valve of convenient fastening - Google Patents
Miniature check valve of convenient fastening Download PDFInfo
- Publication number
- CN210106688U CN210106688U CN201920884733.4U CN201920884733U CN210106688U CN 210106688 U CN210106688 U CN 210106688U CN 201920884733 U CN201920884733 U CN 201920884733U CN 210106688 U CN210106688 U CN 210106688U
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- cavity
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- shell
- valve
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- 239000012530 fluid Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 230000007547 defect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 238000011900 installation process Methods 0.000 description 1
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Abstract
The utility model provides a miniature check valve of convenient fastening realizes that convenient and fast's installation has avoided using screw thread and elastic sealing element to carry out the defect that fastens again, including outer cavity (2) and interior cavity (3), outer cavity (3), interior cavity (3) are including little shell (4) and big shell (5), link to each other through first inclined plane (6) between little shell (4) and big shell (5), the internal diameter of the external diameter less than or equal to outer cavity (2) of little shell (4), the external diameter of big shell (5) is greater than the internal diameter of outer cavity (2), outer cavity (2) are equipped with fluid one-way control structure.
Description
Technical Field
The utility model relates to a hydraulic component technical field, specifically speaking relate to a miniature check valve of convenient fastening.
Background
At present, the miniature one-way valve used for installing various metal valve bodies or integrated block products is fixed on the metal valve bodies or the integrated blocks, the adopted method is that the miniature one-way valve is fixed through thread fastening or matched with an elastic sealing element, the defect that the existing time of thread fixing can be loosened for a long time is overcome, the problem that the existing time of the elastic sealing element can be aged is solved, and the installation process of the mode is also troublesome, so that the miniature one-way valve which can be conveniently and quickly installed and can avoid the use of threads and the elastic sealing element to fix is lacking in the current market.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that above-mentioned prior art exists, the utility model provides a miniature check valve of convenient fastening realizes the defect that can convenient and fast's installation has avoided using screw thread and elastic sealing element to carry out the fastening again.
The utility model adopts the technical proposal that: the utility model provides a miniature check valve of convenient fastening, includes outer cavity and interior cavity, interior cavity includes little shell and big shell, link to each other through first inclined plane between little shell and the big shell, the external diameter less than or equal to of little shell is the internal diameter of outer cavity, the external diameter of big shell is greater than the internal diameter of outer cavity, outer cavity is equipped with fluid one-way control structure.
The fluid one-way control structure include with outer cavity fixed connection's one-way cavity with locate the ball valve in the one-way cavity, be equipped with the spring in the one-way cavity, the one end and the one-way cavity right side inner wall of spring offset, the other end is connected with the ball valve, outer cavity is equipped with the first passageway that supplies liquid to flow to the one-way cavity from outer cavity, the internal diameter of first passageway is less than the external diameter of ball valve.
Preferably, the outer side of the right end of the small shell is provided with a first guide step, and the guide step is arranged to facilitate the small shell to be plugged into the outer cavity more easily.
The outer side of the outer cavity is provided with a plurality of circular grooves.
And a second channel is arranged on the right side of the unidirectional cavity.
And a third channel and a fourth channel are arranged on the upper side and the lower side of the one-way cavity.
Preferably, be equipped with the sealing washer in the annular groove, set up the sealing washer and realize better sealed effect, in addition after outer cavity and metal valve body realized the tight fit, the sealed effect of sealing washer is better.
According to the working principle, after the outer cavity and the fluid one-way control structure are assembled, the outer cavity is plugged into the metal valve body rightwards, the inner cavity is plugged into the outer cavity rightwards, only the small shell part can enter the outer cavity at the moment, then the inner cavity is beaten rightwards, under the action of the first inclined plane, the outer cavity is locally expanded, meanwhile, the inner cavity is further plugged into the outer cavity, and positioning is achieved through tight fit with the metal valve body.
Fluid theory of operation, fluid flows from left to right, through the inner chamber of interior cavity, the inner chamber of the outer cavity of later runner, then runner first passageway department, the ball valve receives the effect of spring to support first passageway to seal dead this moment, reach certain degree when fluid pressure and promote the ball valve right, fluid flows through first passageway right afterwards, when left side pressure reduces, the ball valve receives the effect of spring to support first passageway again to seal dead, the fluid in the one-way cavity can not flow left this moment, fluid one-way control's purpose has been realized.
The utility model discloses the connected mode of passageway outer cavity and metal valve body tight fit replacement prior art screw thread only need strike during the installation just can, more convenient and the cost of processing the screw thread has been reduced than current technique.
Drawings
Fig. 1 is a schematic structural view of the outer cavity of the present invention.
Fig. 2 is a schematic structural view of the fluid one-way control structure of the present invention.
The valve comprises a metal valve body 1, an outer cavity 2, an inner cavity 3, a small shell 4, a large shell 5, a first inclined plane 6, a one-way cavity 7, a spring 8, a ball valve 9, a first channel 10, a first guide step 11, a first guide step 12, a circular groove 13, a second channel 14, a third channel 15 and a fourth channel.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
The utility model provides a miniature check valve of convenient fastening, includes outer cavity 2 and interior cavity 3, interior cavity 3 includes little shell 4 and big shell 5, link to each other through first inclined plane 6 between little shell 4 and the big shell 5, the external diameter less than or equal to of little shell 4 outer cavity 2's internal diameter, big shell 5's external diameter is greater than outer cavity 2's internal diameter, outer cavity 2 is equipped with fluid one-way control structure.
The fluid one-way control structure include with outer cavity 2 fixed connection's one-way cavity 7 with locate ball valve 9 in the one-way cavity 7, be equipped with spring 8 in the one-way cavity 7, spring 8's one end offsets with one-way cavity 7 right side inner wall, the other end is connected with ball valve 9, outer cavity 2 is equipped with the first passageway 10 that supplies liquid to flow to one-way cavity 7 from outer cavity 2, the internal diameter of first passageway 10 is less than the external diameter of ball valve 9.
Preferably, the outer side of the right end of the small shell 4 is provided with a first guide step 11, and the guide step 11 is arranged to facilitate the small shell 4 to be more easily plugged into the outer cavity 2.
The outer side of the outer cavity 2 is provided with a plurality of circular grooves 12.
And a second channel 13 is arranged on the right side of the one-way cavity 7.
And a third channel 14 and a fourth channel 15 are arranged on the upper side and the lower side of the one-way cavity 7.
Preferably, be equipped with the sealing washer in the annular groove 12, set up the sealing washer and realize better sealed effect, in addition when outer cavity 2 and metal valve body realize the tight fit after, the sealed effect of sealing washer is better.
The working principle is that after the outer cavity 2 and the fluid one-way control structure are assembled, the outer cavity 2 is inserted into the metal valve body 1 rightwards, the inner cavity 3 is inserted into the outer cavity 2 rightwards, only the small shell 4 can enter the outer cavity 2 at the moment, then the inner cavity 3 is beaten rightwards, under the action of the first inclined plane, the outer cavity 2 partially expands, meanwhile, the inner cavity 3 is further inserted into the outer cavity 2, and positioning is achieved through tight fit with the metal valve body 1.
According to the working principle of the fluid, the fluid flows from left to right and passes through the inner cavity of the inner cavity 3, then the inner cavity of the outer cavity 2 of the flow channel and the first channel 10 of the flow channel, at the moment, the ball valve 9 is supported and sealed by the first channel under the action of the spring 8, the ball valve is pushed rightwards when the pressure of the fluid reaches a certain degree, then the fluid flows rightwards through the first channel 10, when the pressure of the left side is reduced, the ball valve 9 is supported and sealed by the first channel again under the action of the spring, at the moment, the fluid in the one-way cavity 7 cannot flow leftwards, and the purpose of one-way control of the.
The utility model discloses the connected mode of passageway outer cavity 2 and metal valve body tight fit replacement prior art screw thread, only need during the installation beat just can, more convenient and the cost that has reduced the processing screw thread than current technique.
The utility model discloses still another advantage is exactly that the installation that need design more complicated structure to cooperate the check valve when the check valve is installed to prior art's metal valve, and the utility model provides a miniature check valve only need design a step hole on the metal valve, knocks just in the time of the installation, and is very convenient.
The outer surfaces of the small shell 4 and the large shell 5 are circular, the inner surface of the outer cavity 2 is circular, the first channel 10 is circular, and the vertical direction of the unidirectional cavity 7 is referred to by the attached drawings.
While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a miniature check valve of convenient fastening which characterized in that: including outer cavity (2) and interior cavity (3), interior cavity (3) are including little shell (4) and big shell (5), link to each other through first inclined plane (6) between little shell (4) and big shell (5), the internal diameter of the external diameter less than or equal to outer cavity (2) of little shell (4), the external diameter of big shell (5) is greater than the internal diameter of outer cavity (2), outer cavity (2) are equipped with fluid one-way control structure.
2. A one-way miniature valve for ease of fastening as claimed in claim 1 wherein: the fluid one-way control structure include with outer cavity (2) fixed connection one-way cavity (7) and locate ball valve (9) in one-way cavity (7), be equipped with spring (8) in one-way cavity (7), the one end and the one-way cavity (7) right side inner wall of spring (8) offset, the other end is connected with ball valve (9), outer cavity (2) are equipped with first passageway (10) that supply liquid to flow to one-way cavity (7) from outer cavity (2), the internal diameter of first passageway (10) is less than the external diameter of ball valve (9).
3. A one-way miniature valve for ease of fastening as claimed in claim 2 wherein: and a first guide step (11) is arranged on the outer side of the right end of the small shell (4).
4. A one-way miniature valve for ease of fastening as claimed in claim 3 wherein: the outer side of the outer cavity (2) is provided with a plurality of circular grooves (12).
5. A one-way miniature valve for ease of fastening as claimed in claim 4 wherein: and a second channel (13) is arranged on the right side of the one-way cavity (7).
6. A one-way miniature valve for ease of fastening as claimed in claim 5 wherein: and a third channel (14) and a fourth channel (15) are arranged on the upper side and the lower side of the one-way cavity (7).
7. A one-way valve of claim 6, wherein: and a sealing ring is arranged in the circular groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884733.4U CN210106688U (en) | 2019-06-13 | 2019-06-13 | Miniature check valve of convenient fastening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920884733.4U CN210106688U (en) | 2019-06-13 | 2019-06-13 | Miniature check valve of convenient fastening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210106688U true CN210106688U (en) | 2020-02-21 |
Family
ID=69565109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920884733.4U Active CN210106688U (en) | 2019-06-13 | 2019-06-13 | Miniature check valve of convenient fastening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210106688U (en) |
-
2019
- 2019-06-13 CN CN201920884733.4U patent/CN210106688U/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: 20211228 Address after: 315600 No. 18, Shangqiao Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province Patentee after: NINGHAI HONGCHUANG METAL PRODUCT Co.,Ltd. Address before: 315600 Cha Lu Zhen Lu Jia Cun Xi Tiao Cun, Ninghai County, Ningbo City, Zhejiang Province Patentee before: Lin Hongze |
|
| TR01 | Transfer of patent right |