CN208058036U - A kind of one-way exhausting device - Google Patents
A kind of one-way exhausting device Download PDFInfo
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- CN208058036U CN208058036U CN201820422544.0U CN201820422544U CN208058036U CN 208058036 U CN208058036 U CN 208058036U CN 201820422544 U CN201820422544 U CN 201820422544U CN 208058036 U CN208058036 U CN 208058036U
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- exhaust valve
- joining clasp
- valve body
- exhausting device
- way
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- Self-Closing Valves And Venting Or Aerating Valves (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The utility model provides a kind of one-way exhausting device, including being vented valve body, sealing ring, obstruct diaphragm and Joining clasp, the Joining clasp, which is fixed on, to be waited on exhaust equipment, the internal ring wall of the Joining clasp is formed with wedge guide, it is formed with buckling groove on the wedge guide, the exhaust valve body has an interconnecting piece, the interconnecting piece is equipped with clamping joint, the exhaust valve body is arranged in by the interconnecting piece in Joining clasp, the relative rotation of the exhaust valve body and Joining clasp, so that clamping joint corresponds to wedge guide, and it is connected under the guiding role of the wedge guide in buckling groove fixed, the sealing ring and barrier diaphragm are respectively arranged between the upper surface of Joining clasp and exhaust valve body, to press the sealing ring, realize sealing.Have the characteristics that simple in structure, good airproof performance, reliability it is high, can installing and dismounting and convenient disassembly without tool auxiliary.
Description
Technical field
The utility model is related to air bleeding valve fields, and in particular to one kind is simple in structure, good airproof performance, reliability is high, is not necessarily to
Tool auxiliary can installing and dismounting one-way exhausting device.
Background technology
Protective garment type includes fire fighting protective clothing, industrial protective garment, medical money protective garment, military protection suit and special people
Group uses protective garment.Protective garment is mainly used in fire-fighting, military project, ship, oil, chemical industry, spray painting, cleaning and sterilizing, laboratory etc.
Industry and department.
In general, protective garment uses fully closed structure, cooperation air inlet is for oxide structure and one-way gas exhaust.Protective garment
Often concerning the life security of wearer, leakproofness, the stability of one-way gas exhaust become key, do not allow to neglect leakproofness
Depending on.Existing one-way gas exhaust generally existing is complicated, the auxiliary installation of other installation tools must be used when installation, and use
In sealing sealing ring using socket by the way of, as shown in Figure 1, sealing ring 1 is sheathed on connector 2, then be connected and sealed,
Can so an expansionary force be formed to sealing ring, as time goes by, sealing ring is easily broken off, and then is revealed, and has safety
Hidden danger.
Utility model content
For this purpose, the utility model provides, one kind simple in structure, good airproof performance, reliability are high, can pacify without tool auxiliary
Assemble and disassemble the one-way exhausting device unloaded.
To achieve the above object, a kind of one-way exhausting device provided by the utility model, including exhaust valve body, sealing
Circle, barrier diaphragm and Joining clasp, the Joining clasp, which is fixed on, to be waited on exhaust equipment, and the internal ring wall of the Joining clasp is formed
There is wedge guide, buckling groove is formed on the wedge guide, the exhaust valve body has an interconnecting piece, the connection
Portion is equipped with clamping joint, and the exhaust valve body is arranged in by the interconnecting piece in Joining clasp, the exhaust valve body and company
Connect the relative rotation of snap ring so that clamping joint corresponds to wedge guide, and is connected under the guiding role of the wedge guide
Fixed in buckling groove, the sealing ring and barrier diaphragm are respectively arranged between the upper surface of Joining clasp and exhaust valve body,
To press the sealing ring, sealing is realized.
A kind of preferred embodiment provided by the utility model, the clamping joint structure in the shape of a " convex ", including an ontology and
The clamping portion of the ontology is protruded from, the clamping portion is connected in buckling groove, is located at body surface and the institute of the clamping portion both sides
State the lozenges fitting of wedge guide.
Another kind preferred embodiment provided by the utility model, the upper surface recess of the Joining clasp are formed with annular and house
Slot, the sealing ring positioning are set in the annular storage tank, and with the part for the upper surface for protruding from Joining clasp.
It is provided by the utility model another kind preferred embodiment, the exhaust valve body include upper shell, lower housing and unidirectionally
Air bleeding valve, the interconnecting piece are integrally formed on lower housing, and the ventilation for penetrating through the Joining clasp is offered on the lower housing
Window, the one-way exhaust valve sealing are covered on the ventilation window, and the upper shell offers exhaust outlet, and covers conjunction in lower casing
On body.
Further, the one-way exhaust valve is in multi-step structure, and each flight offers gas vent.
Further, the upper shell includes first part and second part, and the first part is the arc of top hollow out
Shape lid structure, hollow out position form resigning window, and the second part is correspondingly arranged in resigning window, and with described first
It is in gap setting to divide, and the first part passes through extension with second part and forms connection, the first part and second part
Gap form the exhaust outlet.
Further, the first part, second part and extension are integrated injection molding structure.
By technical solution provided by the utility model, have the advantages that：
Exhaust valve body be arranged in Joining clasp by the interconnecting piece, it is described exhaust valve body and Joining clasp it is opposite
Rotation so that clamping joint corresponds to wedge guide, and is connected in buckling groove and fixes under the guiding role of the wedge guide,
Its is simple in structure, easy to operate, can installing and dismounting and convenient disassembly without tool auxiliary；Meanwhile sealing ring and barrier diaphragm
It is respectively arranged between the upper surface of Joining clasp and exhaust valve body, to press the sealing ring, realizes that sealing, sealing ring do not have
There is expansionary force, will not be because of the risk that passage at any time produces fracture, while ensureing leakproofness, reliability is high.
Description of the drawings
Fig. 1 show the mounting structure of the sealing ring of one-way gas exhaust in the prior art；
Fig. 2 show the dimensional structure diagram of one-way exhausting device in embodiment；
Fig. 3 show the sectional view of one-way exhausting device in embodiment；
Fig. 4 show the decomposition diagram of one-way exhausting device in embodiment；
Fig. 5 show the structural schematic diagram of the Joining clasp of one-way exhausting device in embodiment；
Fig. 6 show the structural schematic diagram of the lower housing of one-way exhausting device in embodiment；
Fig. 7 show the structural schematic diagram of the one-way exhaust valve of one-way exhausting device in embodiment；
Fig. 8 show the structural schematic diagram of the upper shell of one-way exhausting device in embodiment.
Specific implementation mode
To further illustrate that each embodiment, the utility model are provided with attached drawing.These attached drawings are in the utility model discloses
A part for appearance mainly to illustrate embodiment, and can coordinate the associated description of specification to explain that the running of embodiment is former
Reason.Cooperation refers to these contents, and those of ordinary skill in the art will be understood that other possible embodiments and this practicality are new
The advantages of type.Component in figure is not necessarily to scale, and similar component symbol is conventionally used to indicate similar component.
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
With reference to shown in Fig. 2 to Fig. 8, a kind of one-way exhausting device provided in this embodiment, including exhaust valve body, sealing ring
20, diaphragm 30 and Joining clasp 10 are obstructed, the Joining clasp 10, which is fixed on, to be waited on exhaust equipment (such as protective garment), the connection
The internal ring wall of snap ring 10 is formed with wedge guide 11, and buckling groove 12, the air bleeding valve are formed on the wedge guide 11
There is main body an interconnecting piece 401, the interconnecting piece 401 to be equipped with clamping joint 402, and the exhaust valve body passes through the interconnecting piece
401 are arranged in Joining clasp 10, the relative rotation of the exhaust valve body and Joining clasp 10 so that clamping joint 402 corresponds to
Wedge guide 11, and fixed in buckling groove 12, the sealing ring 20 is connected under the guiding role of the wedge guide 11
And barrier diaphragm 30 is respectively arranged between the upper surface 101 of Joining clasp 10 and exhaust valve body, to press the sealing ring
20, realize sealing.
Further, in the present embodiment, 402 structure in the shape of a " convex " of the clamping joint, including an ontology 403 and protrusion
In the clamping portion of the ontology 404, the clamping portion 404 is connected in buckling groove 12, is located at the ontology of 404 both sides of clamping portion
403 surfaces are bonded with the lozenges of the wedge guide 11.Facilitate clamping, and be clamped closely, be not easily disconnected from, in other implementations
In example, the structure of clamping joint 402 can also be at structures such as taper types.
Further, in the present embodiment, the recess of upper surface 101 of the Joining clasp 10 is formed with annular storage tank 13,
The positioning of the sealing ring 20 is set in the annular storage tank 13, and with the portion for the upper surface 101 for protruding from Joining clasp 10
Point.The annular storage tank 13 is used for the position of fixed seal ring 20, and the sealing ring 20 protrudes from the upper surface of Joining clasp 10
Realize the effect of pressing sealing in 101 part.In other embodiments, sealing ring 20 can also be first by fixed forms such as bondings
The predetermined upper surface 101 for being located at Joining clasp 10.
Further, in the present embodiment, the exhaust valve body includes upper shell 43, lower housing 42 and one-way exhaust valve
41, the interconnecting piece 401 is integrally formed on lower housing 42, is offered on the lower housing 42 and is penetrated through the Joining clasp 10
Ventilation window 421, the sealing of the one-way exhaust valve 41 are covered on the ventilation window 421, and the upper shell 43 offers exhaust
Mouth 44, and conjunction is covered on lower housing 42.
Specifically, the ventilation window 421 is equipped with latticed support portion 422, which is equipped with one and connects
Connector 423, the center of the one-way exhaust valve 41 is equipped with the socket part 411 of one and the connector 423 cooperation, described unidirectional
Air bleeding valve 41 is sheathed on by socket part 411 on connector 423, and realization is fixed on lower housing 42, outside one-way exhaust valve 41
Circle is sealingly fastened in the extension of ventilation window 421, realizes that sealing covers the ventilation window 421.The one-way exhaust valve 41 is in
Multi-step structure, each flight offer gas vent (not shown), realize and increase capacity.And gas vent is towards peripheral hardware
It sets so that gas is discharged by center.
The upper shell 43 includes first part 431 and second part 432, and the first part 431 is top hollow out
Arc covers structure, hollow out position form resigning window, and the second part 432 is correspondingly arranged in resigning window, and with it is described
First part 431 is in gap setting, and the first part 431 is formed by extension 433 with second part 432 and connected, described
First part 431 and the gap of second part 432 form the exhaust outlet 44, the gas discharged by one-way exhaust valve 41,
It is then discharged by the exhaust outlet of annular arrangement 44, smooth gas discharge, arrow as shown in Figure 3 indicates air draft air flow direction.
Further, the first part 431, second part 432 and extension 433 are integrated injection molding structure, at
Type is convenient, sound construction, and ingenious in design.The mold of the injection molding is that those skilled in the art can be according to upper shell
Concrete structure and set, this will not be detailed here.
Assembling structure is as follows, and Joining clasp 10, which is fixed on, to be waited on exhaust equipment (such as protective garment), inner ring and exhaust equipment
Inside is perforation, and sealing ring 20 is pre-fixed in the annular storage tank 13 of the upper surface of Joining clasp 10 101, then will be hindered
The upper surface in sealing ring 20 and Joining clasp 10 is arranged in diaphragm 30, and seals and be fixed on exhaust equipment (such as protective garment),
And then complete being fixedly connected for exhaust equipment.When needing assembly exhaust valve body, interconnecting piece 401 is arranged in Joining clasp 10
It is interior, the relative rotation of the exhaust valve body and Joining clasp 10 so that clamping joint 402 corresponds to wedge guide 11, and at this
It is connected in buckling groove 12 and fixes under the guiding role of wedge guide 11, while rotating fixed, exhaust valve body pressing
Sealing ring 20, and then the connection gap of exhaust valve body and Joining clasp 10 is sealed, realize sealing.
By technical solution provided by the utility model, exhaust valve body is arranged in by the interconnecting piece in Joining clasp,
The relative rotation of the exhaust valve body and Joining clasp so that clamping joint corresponds to wedge guide, and in the wedge guide
Guiding role under be connected in buckling groove it is fixed, it is simple in structure, easy to operate, without tool auxiliary can installing and dismounting and
Convenient disassembly；Meanwhile sealing ring and barrier diaphragm are respectively arranged between the upper surface of Joining clasp and exhaust valve body, with pressure
The sealing ring is closed, realizes that sealing, sealing ring do not have expansionary force, will not protected because of the risk that passage at any time produces fracture
While demonstrate,proving leakproofness, reliability is high.
Although specifically showing and describing the utility model in conjunction with preferred embodiment, those skilled in the art answers
This is understood, in the spirit and scope for not departing from the utility model defined by the appended claims, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (7)
1. a kind of one-way exhausting device, including exhaust valve body, sealing ring, barrier diaphragm and Joining clasp, it is characterised in that：Institute
It states Joining clasp and is fixed on and wait on exhaust equipment, the internal ring wall of the Joining clasp is formed with wedge guide, and the wedge shape is led
Buckling groove is formed in portion, there is the exhaust valve body interconnecting piece, the interconnecting piece to be equipped with clamping joint, the exhaust
Valve body is arranged in by the interconnecting piece in Joining clasp, the relative rotation of the exhaust valve body and Joining clasp so that card
Connector corresponds to wedge guide, and fixed in buckling groove, the sealing ring is connected under the guiding role of the wedge guide
And barrier diaphragm is respectively arranged between the upper surface of Joining clasp and exhaust valve body, to press the sealing ring, is realized close
Envelope.
2. one-way exhausting device according to claim 1, it is characterised in that：The clamping joint structure in the shape of a " convex ", packet
It includes an ontology and protrudes from the clamping portion of the ontology, the clamping portion is connected in buckling groove, is located at the clamping portion both sides
Body surface is bonded with the lozenges of the wedge guide.
3. one-way exhausting device according to claim 1, it is characterised in that：The upper surface of the Joining clasp is recessed to be formed
There are annular storage tank, the sealing ring positioning to be set in the annular storage tank, and with the upper surface for protruding from Joining clasp
Part.
4. one-way exhausting device according to claim 1, it is characterised in that：The exhaust valve body include upper shell, under
Shell and one-way exhaust valve, the interconnecting piece are integrally formed on lower housing, and the perforation connection is offered on the lower housing
The ventilation window of snap ring, the one-way exhaust valve sealing are covered on the ventilation window, and the upper shell offers exhaust outlet, and
Lid closes on lower housing.
5. one-way exhausting device according to claim 4, it is characterised in that：The one-way exhaust valve is in multi-step structure,
Each flight offers gas vent.
6. one-way exhausting device according to claim 4, it is characterised in that：The upper shell includes first part and second
Part, the first part are the arc covers structure of top hollow out, and hollow out position forms resigning window, the second part pair
It should be set to resigning window, and be in gap setting with the first part, the first part passes through extension with second part
It is formed and is connected, the gap of the first part and second part forms the exhaust outlet.
7. one-way exhausting device according to claim 6, it is characterised in that：The first part, second part and extension
Portion is integrated injection molding structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820422544.0U CN208058036U (en) | 2018-03-27 | 2018-03-27 | A kind of one-way exhausting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820422544.0U CN208058036U (en) | 2018-03-27 | 2018-03-27 | A kind of one-way exhausting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208058036U true CN208058036U (en) | 2018-11-06 |
Family
ID=63986380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820422544.0U Active CN208058036U (en) | 2018-03-27 | 2018-03-27 | A kind of one-way exhausting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208058036U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145620A (en) * | 2019-04-02 | 2019-08-20 | 中国辐射防护研究院 | A kind of overall plastic diaphragm type one-way exhaust check (non-return) valve having emergency ventilatory function |
| CN110159809A (en) * | 2019-05-15 | 2019-08-23 | 中国辐射防护研究院 | A kind of unidirectional pressure release valve device for radioactive pollution ventilation and protection clothes |
-
2018
- 2018-03-27 CN CN201820422544.0U patent/CN208058036U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145620A (en) * | 2019-04-02 | 2019-08-20 | 中国辐射防护研究院 | A kind of overall plastic diaphragm type one-way exhaust check (non-return) valve having emergency ventilatory function |
| CN110159809A (en) * | 2019-05-15 | 2019-08-23 | 中国辐射防护研究院 | A kind of unidirectional pressure release valve device for radioactive pollution ventilation and protection clothes |
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| GR01 | Patent grant |