CN211145490U - Self-closing ball valve - Google Patents
Self-closing ball valve Download PDFInfo
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- CN211145490U CN211145490U CN201921987331.3U CN201921987331U CN211145490U CN 211145490 U CN211145490 U CN 211145490U CN 201921987331 U CN201921987331 U CN 201921987331U CN 211145490 U CN211145490 U CN 211145490U
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- 230000007246 mechanism Effects 0.000 claims abstract description 47
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000005086 pumping Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a self-closing ball valve, which comprises a valve body and a self-closing mechanism; a valve body: the bottom side of the interior of the valve body is provided with a self-closing mechanism, the top end of the valve body is provided with a positioning mechanism, the side surface of the valve body is fixedly connected with an air outlet mechanism, and the bottom end of the valve body is connected with a storage bottle through a connecting mechanism; self-closing mechanism: the self-closing mechanism comprises a conical baffle and a spring, a rubber sealing gasket is arranged on the inner side face of the conical baffle, a ball body is arranged at the bottom end of the spring, the ball body is positioned above the conical baffle, and the ball body is correspondingly abutted with the rubber sealing gasket; the self-closing ball valve can directly push the ball body to close, prevent the backflow gas from entering the sample bottle, increase the vacuum property in the sample bottle and facilitate the use of a user.
Description
Technical Field
The utility model relates to a self-closing ball valve technical field specifically is a self-closing ball valve.
Background
The ball valve is that the opening and closing piece is spheroidal valve, the inside vacuum operation that needs to carry out of sample bottle in current laboratory, need pass through the self-closing valve after the vacuum operation, and then keep vacuum state for a long time, the ball valve self-closing vacuum sample bottle of current application No. 201420767000.X, through the inside air of extraction sample bottle, the inside pressure of sample bottle reduces, drive outside gas through pressure differential and flow, realize spheroidal closing and opening, but during operation gas reflux drives the spheroid and closes like this, the gas part that easily makes the backward flow gets into inside the sample bottle, the inside vacuum nature of sample bottle has been reduced, the user's of not being convenient for use.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome current defect, provide a self-closing ball valve, can close to directly promoting the spheroid, inside the gas part that prevents the backward flow got into the sample bottle, increased the inside vacuum nature of sample bottle, convenient to use person's use can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a self-closing ball valve comprises a valve body and a self-closing mechanism;
a valve body: the bottom side of the interior of the valve body is provided with a self-closing mechanism, the top end of the valve body is provided with a positioning mechanism, the side surface of the valve body is fixedly connected with an air outlet mechanism, and the bottom end of the valve body is connected with a storage bottle through a connecting mechanism;
self-closing mechanism: the self-closing mechanism comprises a conical baffle and a spring, a rubber sealing gasket is arranged on the inner side face of the conical baffle, a ball body is arranged at the bottom end of the spring, the ball body is positioned above the conical baffle, and the ball body is correspondingly abutted with the rubber sealing gasket;
the conical baffle is arranged on the inner side face of the valve body, and the spring is arranged on the inner top side of the valve body.
Further, positioning mechanism includes briquetting and silk post down, there is the silk post on the top side of valve body through screw hole threaded connection, the bottom of silk post is equipped with down the briquetting, silk post and briquetting are located the inside of spring down, and the briquetting moves down the apical grafting on the spheroid down, and then makes the spheroid fix a position on the toper baffle, and the spheroid drops when preventing to take.
Furthermore, the air outlet mechanism comprises an air outlet pipe, connecting wires and a flange plate, the air outlet pipe is fixedly connected to the side face of the valve body, the flange plate is arranged at one end, far away from the valve body, of the air outlet pipe, and the connecting wires are distributed on the flange plate in an array mode and are convenient to connect with an air inlet of an external vacuum pump.
Furthermore, the connecting mechanism comprises a connecting sleeve, an annular clamping block and a rubber stop block, the connecting sleeve is arranged on the bottom side of the valve body, the rubber stop block is arranged on the inner side face of the connecting sleeve, the annular clamping block is arranged on the bottle opening of the storage bottle, the annular clamping block and the rubber stop block are correspondingly clamped, and the annular clamping block on the storage bottle can be clamped and positioned with the annular clamping block.
Further, still include sealing mechanism, sealing mechanism includes sealing washer and annular groove, the annular groove has been seted up to the inside top side of adapter sleeve, the inside of annular groove is equipped with the sealing washer, the annular groove corresponds with the annular fixture block and cup joints, can make annular fixture block extrusion sealing washer, and then seals adapter sleeve and storage bottle.
Compared with the prior art, the beneficial effects of the utility model are that: the self-closing ball valve has the following advantages:
1. gaseous flow promotion spheroid extrusion spring among the gas pumping process makes spheroid and toper baffle separation and then opens, after the pumping, the outlet duct is true with valve body inside, and does not have the atmospheric pressure difference, and the spring resets and promotes spheroid and rubber seal pad butt, closes the spheroid, and then prevents that the gas reflux from getting into the sample bottle, increases the inside vacuum of sample bottle, convenient to use person's use.
2. The screw column is rotated to enable the lower pressing block to move downwards to be abutted to the ball body, and then the ball body is positioned on the conical baffle plate to prevent the ball body from falling off when being taken.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the sectional structure of the present invention.
In the figure: the device comprises a valve body 1, a self-closing mechanism 2, a conical baffle 21, a ball 22, a spring 23, a rubber sealing gasket 24, a positioning mechanism 3, a pressing block 31, a wire column 32, an air outlet mechanism 4, an air outlet pipe 41, a connecting wire 42, a flange 43, a sealing mechanism 5, a sealing ring 51, an annular groove 52, a connecting mechanism 6, a connecting sleeve 61, an annular clamping block 62, a rubber stop 63 and a storage bottle 7.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a self-closing ball valve comprises a valve body 1 and a self-closing mechanism 2; valve body 1: the bottom side of the interior of the valve body 1 is provided with a self-closing mechanism 2, the top end of the valve body 1 is provided with a positioning mechanism 3, the positioning mechanism 3 comprises a lower pressing block 31 and a screw post 32, the top side of the valve body 1 is connected with the screw post 32 through a threaded hole in a threaded manner, the bottom end of the screw post 32 is provided with the lower pressing block 31, the screw post 32 and the lower pressing block 31 are positioned in a spring 23, the lower pressing block 31 moves downwards to abut against a ball body 22, the ball 22 is positioned on the conical baffle 21, the ball is prevented from falling off when the ball is taken, the side surface of the valve body 1 is fixedly connected with the air outlet mechanism 4, the air outlet mechanism 4 comprises an air outlet pipe 41, connecting wires 42 and a flange 43, the side surface of the valve body 1 is fixedly connected with the air outlet pipe 41, one end, away from the valve body 1, of the air outlet pipe 41 is provided with the flange 43, the connecting wires 42 are distributed on the flange 43 in an array mode and are convenient to connect with an air inlet of an external vacuum pump, and the bottom end of the valve body 1 is connected with a storage bottle 7 through a; coupling mechanism 6 includes adapter sleeve 61, annular fixture block 62 and rubber dog 63, the bottom side of valve body 1 is equipped with adapter sleeve 61, the inside side of adapter sleeve 61 is equipped with rubber dog 63, the bottleneck of storage bottle 7 is equipped with annular fixture block 62, annular fixture block 62 corresponds the joint with rubber dog 63, can make annular fixture block 62 and annular fixture block 62 on the storage bottle 7 carry out the joint location, still include sealing mechanism 5, sealing mechanism 5 includes sealing washer 51 and annular groove 52, annular groove 52 has been seted up to the inside top side of adapter sleeve 61, the inside of annular groove 52 is equipped with sealing washer 51, annular groove 52 corresponds with annular fixture block 62 and cup joints, can make annular fixture block 62 extrusion sealing washer 51, and then seal up adapter sleeve 61 and storage bottle 7, self-closing mechanism 2: the self-closing mechanism 2 comprises a conical baffle 21 and a spring 23, a rubber sealing gasket 24 is arranged on the side face of the interior of the conical baffle 21, a ball 22 is arranged at the bottom end of the spring 23, the ball 22 is positioned above the conical baffle 21, the ball 22 and the rubber sealing gasket 24 are correspondingly abutted, gas flows to push the ball 22 to extrude the spring 23 in the gas pumping process, so that the ball 22 is separated from the conical baffle 21 and then opened, after the gas pumping is finished, the gas outlet pipe 41 and the interior of the valve body are both true, and no pressure difference exists, the spring 23 resets to push the ball 22 and the rubber sealing gasket 24 to be abutted, so that the ball 22 is closed, further, gas backflow is prevented from entering a sample bottle, the vacuum property of the interior of the sample bottle is; wherein, the conical baffle 21 is arranged at the inner side of the valve body 1, and the spring 23 is arranged at the inner top side of the valve body 1.
When in use: gaseous flow promotes spheroid 22 extrusion spring 23 among the gas pumping process, make spheroid 22 and conical baffle 21 separate and then open, after the gas pumping, outlet duct 41 is true with the valve body is inside, and there is not the atmospheric pressure difference, spring 23 resets and promotes spheroid 22 and the 24 butt joints of rubber packing, close spheroid 22, and then prevent that the gas reflux from getting into the sample bottle, increase the inside vacuum nature of sample bottle, rotate the silk post 32, make down clamp block 31 move down the butt on spheroid 22, and then make spheroid 22 fix a position on conical baffle 21, the spheroid drops when preventing to take, convenient to use person's use.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A self-closing ball valve is characterized in that: comprises a valve body (1) and a self-closing mechanism (2);
valve body (1): a self-closing mechanism (2) is arranged at the bottom side of the interior of the valve body (1), a positioning mechanism (3) is arranged at the top end of the valve body (1), an air outlet mechanism (4) is fixedly connected to the side surface of the valve body (1), and the bottom end of the valve body (1) is connected with a storage bottle (7) through a connecting mechanism (6);
self-closing mechanism (2): the self-closing mechanism (2) comprises a conical baffle plate (21) and a spring (23), a rubber sealing gasket (24) is arranged on the inner side face of the conical baffle plate (21), a ball body (22) is arranged at the bottom end of the spring (23), the ball body (22) is positioned above the conical baffle plate (21), and the ball body (22) is correspondingly abutted to the rubber sealing gasket (24);
the conical baffle (21) is arranged on the inner side face of the valve body (1), and the spring (23) is arranged on the inner top side of the valve body (1).
2. A self-closing ball valve according to claim 1, wherein: positioning mechanism (3) are including briquetting (31) and silk post (32) down, there are silk post (32) through screw hole threaded connection on the top side of valve body (1), the bottom of silk post (32) is equipped with briquetting (31) down, silk post (32) and briquetting (31) are located the inside of spring (23) down.
3. A self-closing ball valve according to claim 1, wherein: the exhaust mechanism (4) comprises an exhaust pipe (41), connecting wires (42) and a flange plate (43), the side face of the valve body (1) is fixedly connected with the exhaust pipe (41), one end, far away from the valve body (1), of the exhaust pipe (41) is provided with a flange plate (43), and the connecting wires (42) are distributed on the flange plate (43) in an array mode.
4. A self-closing ball valve according to claim 1, wherein: the connecting mechanism (6) comprises a connecting sleeve (61), an annular clamping block (62) and a rubber stop block (63), the connecting sleeve (61) is arranged on the bottom side of the valve body (1), the rubber stop block (63) is arranged on the inner side face of the connecting sleeve (61), the annular clamping block (62) is arranged on the bottle mouth of the storage bottle (7), and the annular clamping block (62) is correspondingly clamped with the rubber stop block (63).
5. A self-closing ball valve according to claim 4, wherein: still include sealing mechanism (5), sealing mechanism (5) include sealing washer (51) and annular groove (52), annular groove (52) have been seted up to the inside top side of adapter sleeve (61), the inside of annular groove (52) is equipped with sealing washer (51), annular groove (52) correspond with annular fixture block (62) and cup joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987331.3U CN211145490U (en) | 2019-11-18 | 2019-11-18 | Self-closing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921987331.3U CN211145490U (en) | 2019-11-18 | 2019-11-18 | Self-closing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211145490U true CN211145490U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921987331.3U Active CN211145490U (en) | 2019-11-18 | 2019-11-18 | Self-closing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211145490U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323805A (en) * | 2022-03-14 | 2022-04-12 | 四川省食品发酵工业研究设计院有限公司 | A sampling device for white spirit is made |
-
2019
- 2019-11-18 CN CN201921987331.3U patent/CN211145490U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114323805A (en) * | 2022-03-14 | 2022-04-12 | 四川省食品发酵工业研究设计院有限公司 | A sampling device for white spirit is made |
| CN114323805B (en) * | 2022-03-14 | 2022-06-14 | 四川省食品发酵工业研究设计院有限公司 | A sampling device for white spirit is made |
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