CN112503226A - Small exhaust valve - Google Patents
Small exhaust valve Download PDFInfo
- Publication number
- CN112503226A CN112503226A CN202011476108.XA CN202011476108A CN112503226A CN 112503226 A CN112503226 A CN 112503226A CN 202011476108 A CN202011476108 A CN 202011476108A CN 112503226 A CN112503226 A CN 112503226A
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- CN
- China
- Prior art keywords
- exhaust valve
- exhaust
- valve head
- boss
- cap
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims abstract description 11
- 125000003003 spiro group Chemical group 0.000 claims description 3
- 238000002955 isolation Methods 0.000 abstract description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 3
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K24/00—Devices, e.g. valves, for venting or aerating enclosures
- F16K24/04—Devices, e.g. valves, for venting or aerating enclosures for venting only
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
Abstract
The invention relates to a small exhaust valve, wherein an exhaust valve cap is sleeved at the top of an exhaust valve head, an exhaust valve cap cavity, an internal thread part and an exhaust part are sequentially arranged in the exhaust valve cap from the lower end surface to the upper side, an exhaust hole is formed in the side wall of the exhaust part, and an exhaust valve head sealing gasket is bonded at the top of the exhaust part; the center of the exhaust valve head is provided with an exhaust channel in a penetrating way, the outer side wall of the top of the exhaust valve head is provided with an external thread part, the external thread part is in threaded connection with an internal thread part, and the upper end face of the exhaust valve head is in contact with a sealing gasket of the exhaust valve head. The exhaust valve is compact in structure and can be used in narrow working space. The installation is simple, only need on erection equipment tapping hole can realize the installation. The operation is simple, the exhaust valve cap can be screwed up and unscrewed only through the screw connection matching of the exhaust valve cap and the exhaust valve head, the isolation and the communication between the inside of the closed container and the outside can be realized, and the function is reliable. Meanwhile, the exhaust valve head boss and the exhaust valve cap boss are in interference fit to realize anti-falling and anti-loss.
Description
Technical Field
The invention relates to the technical field of mechanical equipment, in particular to a small exhaust valve.
Background
At present, valves which can realize the functions of isolating and communicating the inside of a closed container from the outside in the market comprise ball valves, diaphragm valves and the like, but the valves have large volumes, and can not be butted for use in narrow spaces or micro equipment.
Therefore, it is desirable to provide a compact exhaust valve, which has simple structure, convenient installation and operation, reliable function, and is suitable for narrow working space and micro equipment, and can realize the isolation and communication between the inside of the closed container and the outside.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a small exhaust valve, which is designed to realize isolation and communication between the inside of a sealed container and the outside through the screw connection between an exhaust valve cap and an exhaust valve head, and to prevent the exhaust valve from falling off.
In order to solve the technical problems, the invention adopts the following technical scheme:
a small-sized exhaust valve comprises an exhaust valve cap and an exhaust valve head, wherein the exhaust valve cap is sleeved at the top of the exhaust valve head, an exhaust valve cap cavity, an internal thread part and an exhaust part are sequentially arranged in the exhaust valve cap from the lower end surface upwards, an exhaust hole is formed in the side wall of the exhaust part, and an exhaust valve head sealing gasket is bonded at the top of the exhaust part; the center of the exhaust valve head is provided with an exhaust channel in a penetrating manner, the outer side wall of the top of the exhaust valve head is provided with an external thread part, the external thread part is in threaded connection with an internal thread part, and the upper end face of the exhaust valve head is in contact with a sealing gasket of the exhaust valve head. After the exhaust valve head and the exhaust valve cap are screwed through the external thread part and the internal thread part, the exhaust valve cap can press the sealing gasket of the exhaust valve head to an exhaust duct at the top end of the exhaust valve head, so that the closing of the exhaust valve is realized.
Preferably, the bottom of the exhaust valve cap cavity in the exhaust valve cap is equipped with the inside bellied exhaust valve cap boss of round, the bottom of the external screw thread portion of exhaust valve head is equipped with the outside bellied exhaust valve head boss of round, exhaust valve head boss set up on exhaust valve cap boss and with exhaust valve cap boss interference fit. The exhaust valve head boss and the exhaust valve cap boss are in interference fit, so that the exhaust valve cap can be prevented from falling off from the exhaust valve head, and the anti-falling purpose is achieved.
Preferably, the bottom outer side wall of the exhaust valve head is provided with an exhaust valve head connecting part, the exhaust valve head connecting part is provided with an installation external thread, and the installation external thread is screwed with an exhaust valve locking nut. The installation external thread of exhaust valve head connecting portion can directly be installed on the screw hole, also can be through exhaust valve lock nut lock to the thin wall unthreaded hole on.
Preferably, an exhaust valve head supporting part protruding outwards is arranged on the outer side wall of the exhaust valve head at the top end of the exhaust valve head connecting part, and an exhaust valve sealing gasket is arranged between the exhaust valve head supporting part and the exhaust valve locking nut. The exhaust valve sealing gasket is matched with the exhaust valve locking nut, so that the sealing and fastening effects can be better achieved.
Preferably, the exhaust holes are uniformly distributed on the circumferential side wall of the exhaust part. With exhaust valve head and exhaust valve cap through external screw thread portion and internal thread portion back of unscrewing, exhaust passage of exhaust valve head will be through and exhaust hole UNICOM that the clearance between the exhaust valve head seal gasket distributes with exhaust portion circumference lateral wall to realize opening of discharge valve.
Preferably, the internal diameters of the exhaust bonnet cavity and the exhaust portion are the same and larger than the internal diameter of the internal threaded portion. Internal thread portion and external thread portion spiro union cooperation can make the exhaust valve head reciprocate in the exhaust valve cap, realizes the closure and the opening of discharge valve to realize inside and external isolation and UNICOM.
Preferably, the outer diameter of the exhaust valve head boss is smaller than the inner diameter of the exhaust valve bonnet cavity, and the outer diameter of the exhaust valve head boss is larger than the inner diameter of the exhaust valve bonnet boss. The outer diameter of the exhaust valve head boss is smaller than the inner diameter of the exhaust valve cap cavity, so that the exhaust valve head boss can move up and down in the exhaust valve cap cavity when the exhaust valve head moves up and down in the exhaust valve cap; the external diameter of exhaust valve head boss is greater than the internal diameter of exhaust valve cap boss, can realize that the exhaust valve head reciprocates in the exhaust valve cap, and the exhaust valve head can not deviate from in the exhaust valve cap, realizes anti-drop.
The invention has the following beneficial effects: due to the adoption of the technical scheme, the exhaust valve is compact in structure and can be used in narrow working space. The installation is simple, only need on erection equipment to open the screw hole can install. The operation is simple, the exhaust valve cap can be screwed up and unscrewed only through the screw connection matching of the exhaust valve cap and the exhaust valve head, the isolation and the communication between the inside of the closed container and the outside can be realized, and the function is reliable. Meanwhile, the exhaust valve head boss and the exhaust valve cap boss are in interference fit to realize anti-falling and anti-loss.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to make the technical means implementable in accordance with the contents of the description, and to make the above and other objects, technical features, and advantages of the present invention more comprehensible, one or more preferred embodiments are described below in detail with reference to the accompanying drawings.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
Fig. 1 is a perspective view illustrating a small exhaust valve according to the present invention.
Fig. 2 is a schematic sectional view showing a small exhaust valve according to the present invention.
FIG. 3 is a cross-sectional view of an exhaust valve cap of a small exhaust valve of the present invention.
Fig. 4 is a sectional view of the exhaust valve head of the small exhaust valve according to the present invention.
Description of the main reference numerals:
1-exhaust valve cap, 11-exhaust part, 12-internal thread part, 13-exhaust valve cap cavity, 14-exhaust valve cap boss, 15-exhaust hole, 2-exhaust valve head, 21-exhaust channel, 22-external thread part, 23-exhaust valve head boss, 24-exhaust valve head support part, 25-exhaust valve head connecting part, 3-exhaust valve locking nut, 4-exhaust valve sealing gasket and 5-exhaust valve head sealing gasket.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Spatially relative terms, such as "below," "lower," "upper," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the object in use or operation in addition to the orientation depicted in the figures. For example, if the items in the figures are turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" can encompass both an orientation of below and above. The article may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
As shown in fig. 1 to 4, a small exhaust valve comprises an exhaust valve cap 1 and an exhaust valve head 2, wherein the exhaust valve cap 1 is sleeved on the top of the exhaust valve head 2, an exhaust valve cap cavity 13, an internal thread portion 12 and an exhaust portion 11 are sequentially arranged in the exhaust valve cap 1 from the lower end face upwards, an exhaust hole 15 is formed in the side wall of the exhaust portion 11, and an exhaust valve head sealing gasket 5 is bonded on the top of the exhaust portion 11; the center of the exhaust valve head 2 is provided with an exhaust channel 21 in a penetrating way, the outer side wall of the top of the exhaust valve head 2 is provided with an external thread part 22, the external thread part 22 is in threaded connection with the internal thread part 12, and the upper end face of the exhaust valve head 2 is in contact with an exhaust valve head sealing gasket 5. After the exhaust valve head 2 and the exhaust valve cap 1 are screwed with the internal thread part 12 through the external thread part 22, the exhaust valve cap 1 presses the exhaust valve head sealing gasket 5 to the exhaust duct 21 at the top end of the exhaust valve head 2, thereby realizing the closing of the exhaust valve.
The exhaust holes 15 are uniformly distributed on the circumferential side wall of the exhaust part 11. After the exhaust valve head 2 and the exhaust valve cap 1 are unscrewed from the internal thread part 12 through the external thread part 22, the exhaust channel 21 of the exhaust valve head 2 is communicated with the exhaust holes 15 distributed on the circumferential side wall of the exhaust part 11 through the gap between the exhaust valve head sealing gasket 5, so that the exhaust valve is opened.
The bottom of 4 cavitys 13 of discharge valve in the exhaust valve cap 1 is equipped with the inside bellied exhaust valve cap boss 14 of round, the bottom of the external screw thread portion 22 of exhaust valve head 2 is equipped with the outside bellied exhaust valve head boss 23 of round, exhaust valve head boss 23 sets up on exhaust valve cap boss 14 and with exhaust valve cap boss 14 interference fit. The exhaust valve head boss 23 is in interference fit with the exhaust valve cap boss 14, so that the exhaust valve cap 1 can be prevented from falling off from the exhaust valve head 2, and the purpose of falling off prevention is achieved.
The internal diameters of the exhaust bonnet cavity 13 and the exhaust portion 11 are the same and larger than the internal diameter of the internal threaded portion 12. The threaded fit of the internal thread part 12 and the external thread part 22 can make the exhaust valve head 2 move up and down in the exhaust valve cap 1, thus realizing the closing and opening of the exhaust valve, and realizing the isolation and communication between the inside and the outside.
The outer diameter of the exhaust valve head boss 23 is smaller than the inner diameter of the exhaust valve cap cavity 13, and the outer diameter of the exhaust valve head boss 23 is larger than the inner diameter of the exhaust valve cap boss 14. The outer diameter of the exhaust valve head boss 23 is smaller than the inner diameter of the exhaust valve bonnet cavity 13, so that when the exhaust valve head 2 moves up and down in the exhaust valve bonnet 1, the exhaust valve head boss 23 can move up and down in the exhaust valve bonnet cavity 13; the external diameter of exhaust valve head boss 23 is greater than the internal diameter of exhaust valve cap boss 14, can realize that exhaust valve head 2 reciprocates in exhaust valve cap 1, and exhaust valve head 2 can not deviate from in exhaust valve cap 1, realizes anti-drop.
The bottom lateral wall of exhaust valve head 2 is equipped with exhaust valve head connecting portion 25, be equipped with the installation external screw thread on the exhaust valve head connecting portion 25, the spiro union has discharge valve lock nut 3 on the installation external screw thread. The mounting external thread of the exhaust valve head connecting part 25 can be directly mounted on the threaded hole and can also be locked on the thin-wall unthreaded hole through the exhaust valve locking nut 3.
The outer side wall of the exhaust valve head 2 at the top end of the exhaust valve head connecting part 25 is provided with an exhaust valve head supporting part 24 protruding outwards, and an exhaust valve sealing gasket 4 is arranged between the exhaust valve head supporting part 24 and the exhaust valve locking nut 3. The exhaust valve sealing gasket 4 is matched with the exhaust valve locking nut 3, so that the sealing and fastening effects can be better achieved.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. Any simple modifications, equivalent changes and modifications made to the above exemplary embodiments shall fall within the scope of the present invention.
Claims (7)
1. The small exhaust valve is characterized by comprising an exhaust valve cap (1) and an exhaust valve head (2), wherein the exhaust valve cap (1) is sleeved at the top of the exhaust valve head (2), an exhaust valve cap cavity (13), an internal thread part (12) and an exhaust part (11) are sequentially arranged in the exhaust valve cap (1) from the upper end to the lower end in an upward mode, an exhaust hole (15) is formed in the side wall of the exhaust part (11), and an exhaust valve head sealing gasket (5) is bonded at the top of the exhaust part (11);
the center of exhaust valve head (2) link up and is equipped with exhaust passageway (21), the top lateral wall of exhaust valve head (2) is equipped with external screw thread portion (22), external screw thread portion (22) and internal thread portion (12) spiro union, the up end and the contact of exhaust valve head seal gasket (5) of exhaust valve head (2).
2. A small exhaust valve according to claim 1, characterized in that the bottom end of the exhaust valve cap cavity (13) in the exhaust valve cap (1) is provided with a ring of exhaust valve cap boss (14) protruding inwards, the bottom end of the external thread part (22) of the exhaust valve head (2) is provided with a ring of exhaust valve head boss (23) protruding outwards, and the exhaust valve head boss (23) is arranged on the exhaust valve cap boss (14) and is in interference fit with the exhaust valve cap boss (14).
3. The small exhaust valve according to claim 2, characterized in that the bottom outer side wall of the exhaust valve head (2) is provided with an exhaust valve head connecting part (25), the exhaust valve head connecting part (25) is provided with an installation external thread, and the installation external thread is screwed with an exhaust valve locking nut (3).
4. A small-sized exhaust valve according to claim 3, characterized in that an exhaust valve head support part (24) protruding outwards is arranged on the outer side wall of the exhaust valve head (2) at the top end of the exhaust valve head connecting part (25), and an exhaust valve sealing gasket (4) is arranged between the exhaust valve head support part (24) and the exhaust valve locking nut (3).
5. A small exhaust valve according to claim 1, wherein the exhaust holes (15) are uniformly distributed on the circumferential side wall of the exhaust portion (11).
6. A small exhaust valve according to claim 1 wherein the internal diameters of the exhaust bonnet cavity (13) and the exhaust portion (11) are the same and larger than the internal diameter of the internally threaded portion (12).
7. A miniature exhaust valve according to claim 6 wherein the outer diameter of the exhaust valve head boss (23) is smaller than the inner diameter of the exhaust valve cap cavity (13), and the outer diameter of the exhaust valve head boss (23) is larger than the inner diameter of the exhaust valve cap boss (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476108.XA CN112503226A (en) | 2020-12-15 | 2020-12-15 | Small exhaust valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011476108.XA CN112503226A (en) | 2020-12-15 | 2020-12-15 | Small exhaust valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112503226A true CN112503226A (en) | 2021-03-16 |
Family
ID=74973578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011476108.XA Pending CN112503226A (en) | 2020-12-15 | 2020-12-15 | Small exhaust valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112503226A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883315A (en) * | 2021-08-31 | 2022-01-04 | 东风汽车集团股份有限公司 | Air pipe valve body |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537436A (en) * | 2010-12-28 | 2012-07-04 | 陈耕田 | HS-type pressure-adjustable explosion-proof valve core |
| CN202338648U (en) * | 2011-12-15 | 2012-07-18 | Tcl空调器(中山)有限公司 | Air-conditioner stop valve |
| CN207229859U (en) * | 2018-01-16 | 2018-04-13 | 浙江波士特机械有限公司 | A kind of rapid escape valve |
| CN208670191U (en) * | 2018-06-04 | 2019-03-29 | 台州均浩水暖管件有限公司 | A kind of exhaust valve with filter mechanism |
| DE102018112928A1 (en) * | 2018-05-30 | 2019-12-05 | Schaeffler Technologies AG & Co. KG | Compact venting module; Actuating device and coupling system |
| CN214146738U (en) * | 2020-12-15 | 2021-09-07 | 北京诚益通科技有限公司 | Small exhaust valve |
-
2020
- 2020-12-15 CN CN202011476108.XA patent/CN112503226A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537436A (en) * | 2010-12-28 | 2012-07-04 | 陈耕田 | HS-type pressure-adjustable explosion-proof valve core |
| CN202338648U (en) * | 2011-12-15 | 2012-07-18 | Tcl空调器(中山)有限公司 | Air-conditioner stop valve |
| CN207229859U (en) * | 2018-01-16 | 2018-04-13 | 浙江波士特机械有限公司 | A kind of rapid escape valve |
| DE102018112928A1 (en) * | 2018-05-30 | 2019-12-05 | Schaeffler Technologies AG & Co. KG | Compact venting module; Actuating device and coupling system |
| CN208670191U (en) * | 2018-06-04 | 2019-03-29 | 台州均浩水暖管件有限公司 | A kind of exhaust valve with filter mechanism |
| CN214146738U (en) * | 2020-12-15 | 2021-09-07 | 北京诚益通科技有限公司 | Small exhaust valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883315A (en) * | 2021-08-31 | 2022-01-04 | 东风汽车集团股份有限公司 | Air pipe valve body |
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