CN207349513U - A kind of fire extinguisher liquid non-return valve - Google Patents
A kind of fire extinguisher liquid non-return valve Download PDFInfo
- Publication number
- CN207349513U CN207349513U CN201721300960.5U CN201721300960U CN207349513U CN 207349513 U CN207349513 U CN 207349513U CN 201721300960 U CN201721300960 U CN 201721300960U CN 207349513 U CN207349513 U CN 207349513U
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- CN
- China
- Prior art keywords
- plectane
- plugging plate
- fire extinguisher
- pull rod
- plate
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Abstract
The utility model discloses a kind of fire extinguisher liquid non-return valve, including valve body, the left and right ends of the valve body are respectively equipped with liquid feeding end and outlet end, the inside left end of the valve body is installed with the first plectane, the right side of first plectane is equipped with the second plectane, the right side of second plectane is equipped with the 3rd plectane, and the inner sleeve is connected by compressing spring with cylinder column.The fire extinguisher liquid non-return valve, pass through the first plectane, the cooperation of second plectane and the 3rd plectane, the first plugging plate is promoted when pull rod is displaced outwardly, second plugging plate and the 3rd plugging plate are fitted in the first plectane respectively, on second plectane and the 3rd plectane, the first fluid groove is blocked by the rubber end socket of inner wall, since compression spring is arranged in cylindrical seat and is sealed by end cap, and then avoid and contacted with circulating liquid, it ensure that its performance, at the same time hermetic barrier is carried out using three plugging plates, strengthen sealing effect, practical effect is very good.
Description
Technical field
Fire extinguisher technical field is the utility model is related to, is specially a kind of fire extinguisher liquid non-return valve.
Background technology
Fire extinguisher liquid non-return valve is the important composition component of hand fire extinguisher, on this basis, fine mist fire-fighting system
System is developing progressively as a kind of new type extinguishing system, it is using water as medium, and water mists are sprayed under particular job pressure, is relied on
The cooling of water and smothering action are controlled the intensity of a fire or fire extinguishing, in existing fire extinguisher check valve, such as Application No.
201620689055.2 utility model patent, including the first cavity and the second cavity, the first cavity are turned on fluid inlet, the
Two cavitys, which turn on the first cavity with fluid outlet and are located in the second cavity, has at least one hole on the wall of the first cavity, which wears
The wall of saturating first cavity, although the patent can be by the check valve be installed in any direction, in actual use, its spring
Exposed to outside, a degree of corrosion can be caused to spring so in liquid communication, influences the elasticity of spring, while is only made
Obstructed with single plugging plate, its sealing effect is poor, easily causes and leaks, and practical effect is unsatisfactory.
Utility model content
The purpose of this utility model is to provide a kind of fire extinguisher liquid non-return valve, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the utility model provides following technical solution:A kind of fire extinguisher liquid non-return valve, including valve
Body, the left and right ends of the valve body are respectively equipped with liquid feeding end and outlet end, and the inside left end of the valve body is installed with first
Plectane, the right side of first plectane are equipped with the second plectane, and the right side of second plectane is equipped with the 3rd plectane, first circle
The inside upper and lower ends of plate, the second plectane and the 3rd plectane are equipped with the first fluid groove, and the inner right side of the valve body is provided with
Cylindrical seat, the inside upper and lower ends of the cylindrical seat are equipped with the second fluid groove, and the cylindrical seat is internally provided with cavity, described
The outside of cavity is equipped with end cap, and the end cap is connected by the second sliding sleeve with pull rod, and the end cap passes through fixing bolt and cylinder
Seat is connected, and the inside of the end cap is provided with inner sleeve, the inner sleeve passes through through pull rod is connected with the inside of the pull rod
Compression spring is connected with cylinder column, and the inner wall of the cavity is equipped with the 3rd sliding sleeve that inner sleeve matches, and the pull rod passes through successively
The second plectane and the 3rd plectane are worn, the left end of the pull rod is provided with the first plugging plate, and the right side of first plugging plate is equipped with
Second plugging plate, the right side of second plugging plate are equipped with the 3rd plugging plate, first plugging plate, the second plugging plate and the 3rd
Plugging plate is engaged with the first plectane, the second plectane and the 3rd plectane respectively, first plugging plate, the second plugging plate and the 3rd
The inner side upper and lower ends of plugging plate are mounted on rubber end socket, and the rubber end socket is engaged with the first fluid groove.
Preferably, the pull rod and the junction of the second plectane and the 3rd plectane are equipped with the first sliding sleeve, and described first slides
Sealing cover is installed on the outside of set.
Preferably, the inner wall of first fluid groove and the second fluid groove is mounted on stainless steel coil.
Preferably, the inner side of first fluid groove is equipped with flared channels.
Preferably, it is equipped with arc groove on the outside of the liquid feeding end and outlet end.
Compared with prior art, the beneficial effects of the utility model are:The fire extinguisher liquid non-return valve, passes through the first circle
The cooperation of plate, the second plectane and the 3rd plectane, the resilient urging force for compressing spring promote inner sleeve and pull rod to be displaced outwardly, are drawing
The first plugging plate, the second plugging plate and the 3rd plugging plate is promoted to be fitted in the first plectane, the second plectane respectively when bar is displaced outwardly
On the 3rd plectane, the first fluid groove is blocked by the rubber end socket of inner wall, since compression spring is arranged at cylindrical seat
It is interior and sealed by end cap, and then avoid and contacted with circulating liquid, it ensure that its performance, while use three envelopes
Closure plate carries out hermetic barrier, strengthens sealing effect, does not easily cause and leak, practical effect is very good.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is the rubber end enclosure structure schematic diagram of the utility model;
Fig. 3 is the first shift sleeve structure schematic diagram of the utility model;
Fig. 4 is the inner sleeve structure schematic diagram of the utility model.
In figure:1st, liquid feeding end, 2, arc groove, the 3, first plugging plate, the 4, second plugging plate, the 5, the 3rd plugging plate, 6, pull rod,
7th, valve body, 8, outlet end, the 9, first plectane, the 10, second plectane, the 11, the 3rd plectane, 12, cylindrical seat, the 13, first fluid groove,
14th, stainless steel coil, 15, flared channels, 16, rubber end socket, 17, sealing cover, the 18, first sliding sleeve, 19, end cap, the 20, second sliding sleeve,
21st, fixing bolt, the 22, second fluid groove, the 23, the 3rd sliding sleeve, 24, inner sleeve, 25, compression spring, 26, cavity.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution:A kind of fire extinguisher liquid non-return valve, including valve body
7, the left and right ends of valve body 7 are respectively equipped with liquid feeding end 1 and outlet end 8, and the inside left end of valve body 7 is installed with the first plectane 9,
The right side of first plectane 9 is equipped with the second plectane 10, and the right side of the second plectane 10 is equipped with the 3rd plectane 11, the first plectane 9, second circle
The inside upper and lower ends of 10 and the 3rd plectane 11 of plate are equipped with the first fluid groove 13, and fire extinguisher internal liquid passes through first when circulating
The first fluid groove 13 inside plectane 9, the second plectane 10 and the 3rd plectane 11 is flowed, and the inner right side of valve body 7 is provided with
Cylindrical seat 12, the inside upper and lower ends of cylindrical seat 12 are equipped with the second fluid groove 22, by the second flow liquid when flowing through cylindrical seat 12
Groove 22 is circulated at outlet end 8, and cylindrical seat 12 is internally provided with cavity 26, and the outside of cavity 26 is equipped with end cap 19, and end cap 19 is logical
Cross the second sliding sleeve 20 with pull rod 6 to be connected, end cap 19 is connected by fixing bolt 21 with cylindrical seat 12, and the inside of end cap 19 is through company
Pull rod 6 is connected to, the inner side of pull rod 6 is provided with inner sleeve 24, and inner sleeve 24 is connected by compressing spring 25 with cylinder column 12, compression
The coefficient of elasticity of spring 25 is 10N/CM, and the inner wall of cavity 26 is equipped with the 3rd sliding sleeve 23 that inner sleeve 24 matches, passes through compression
The resilient urging force of spring 25 promotes inner sleeve 24 and pull rod 6 to be displaced outwardly, and the first plugging plate is promoted when pull rod 6 is displaced outwardly
3rd, the second plugging plate 4 and the 3rd plugging plate 5 are fitted on the first plectane 9, the second plectane 10 and the 3rd plectane 11 respectively, by interior
The rubber end socket 16 of wall blocks the first fluid groove 13, and pull rod 6 sequentially passes through the second plectane 10 and the 3rd plectane 11, pull rod
6 left end is provided with the first plugging plate 3, and the right side of the first plugging plate 3 is equipped with the second plugging plate 4, and the right side of the second plugging plate 4 is set
Have the 3rd plugging plate 5, the first plugging plate 3, the second plugging plate 4 and the 3rd plugging plate 5 respectively with the first plectane 9, the second plectane 10
It is engaged with the 3rd plectane 11, the inner side upper and lower ends of the first plugging plate 3, the second plugging plate 4 and the 3rd plugging plate 5 are mounted on
Rubber end socket 16, rubber end socket 16 are engaged with the first fluid groove 13.
By first-class inside the first plectane 9, the second plectane 10 and the 3rd plectane 11 when fire extinguisher internal liquid circulates
Liquid bath 13 is flowed, and is circulated to when flowing through cylindrical seat 12 by the second fluid groove 22 at outlet end 8, is reduced in fire extinguisher pressure
When, the resilient urging force of compression spring 25 promotes inner sleeve 24 and pull rod 6 to be displaced outwardly, and the is promoted when pull rod 6 is displaced outwardly
One plugging plate 3, the second plugging plate 4 and the 3rd plugging plate 5 are fitted in the first plectane 9, the second plectane 10 and the 3rd plectane 11 respectively
On, the first fluid groove 13 is blocked by the rubber end socket 16 of inner wall.
In the description of the utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore cannot
It is interpreted as the limitation to the utility model.
In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for description purpose, and it is not intended that instruction or
Imply relative importance or the implicit quantity for indicating indicated technical characteristic, thus, define " first ", " second ", " the
Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".
In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " being screwed on " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;
Can mechanically connect or be electrically connected;It can be directly connected, can also be indirectly connected by intermediary, can be with
It is the interaction relationship of connection inside two elements or two elements, unless otherwise restricted clearly, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
While there has been shown and described that the embodiment of the utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from the principle of the utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of fire extinguisher liquid non-return valve, including valve body (7), the left and right ends of the valve body (7) are respectively equipped with liquid feeding end (1)
With outlet end (8), it is characterised in that:The inside left end of the valve body (7) is installed with the first plectane (9), first circle
The right side of plate (9) is equipped with the second plectane (10), and the right side of second plectane (10) is equipped with the 3rd plectane (11), first circle
The inside upper and lower ends of plate (9), the second plectane (10) and the 3rd plectane (11) are equipped with the first fluid groove (13), the valve body
(7) inner right side is provided with cylindrical seat (12), and the inside upper and lower ends of the cylindrical seat (12) are equipped with the second fluid groove
(22), the cylindrical seat (12) is internally provided with cavity (26), and the outside of the cavity (26) is equipped with end cap (19), the end cap
(19) it is connected by the second sliding sleeve (20) with pull rod (6), the end cap (19) passes through fixing bolt (21) and cylindrical seat (12) phase
Even, the inside of the end cap (19) is provided with inner sleeve (24) through pull rod (6) is connected with the inside of the pull rod (6), described
Inner sleeve (24) is connected by compressing spring (25) with cylindrical seat (12), and the inner wall of the cavity (26) is equipped with inner sleeve (24) phase
Matched 3rd sliding sleeve (23), the pull rod (6) sequentially pass through the second plectane (10) and the 3rd plectane (11), the pull rod (6)
Left end the first plugging plate (3) is installed, the right side of first plugging plate (3) is equipped with the second plugging plate (4), second envelope
The right side of closure plate (4) is equipped with the 3rd plugging plate (5), first plugging plate (3), the second plugging plate (4) and the 3rd plugging plate (5)
It is engaged respectively with the first plectane (9), the second plectane (10) and the 3rd plectane (11), first plugging plate (3), the second closure
The inner side upper and lower ends of plate (4) and the 3rd plugging plate (5) are mounted on rubber end socket (16), the rubber end socket (16) and first
Fluid groove (13) is engaged.
A kind of 2. fire extinguisher liquid non-return valve according to claim 1, it is characterised in that:The pull rod (6) and the second circle
The junction of plate (10) and the 3rd plectane (11) is equipped with the first sliding sleeve (18), is provided with the outside of first sliding sleeve (18) close
Cover (17).
A kind of 3. fire extinguisher liquid non-return valve according to claim 1, it is characterised in that:First fluid groove (13) and
The inner wall of second fluid groove (22) is mounted on stainless steel coil (14).
A kind of 4. fire extinguisher liquid non-return valve according to claim 1, it is characterised in that:First fluid groove (13)
Inner side is equipped with flared channels (15).
A kind of 5. fire extinguisher liquid non-return valve according to claim 1, it is characterised in that:The liquid feeding end (1) and go out liquid
Arc groove (2) is equipped with the outside of end (8).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721300960.5U CN207349513U (en) | 2017-10-10 | 2017-10-10 | A kind of fire extinguisher liquid non-return valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721300960.5U CN207349513U (en) | 2017-10-10 | 2017-10-10 | A kind of fire extinguisher liquid non-return valve |
Publications (1)
Publication Number | Publication Date |
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CN207349513U true CN207349513U (en) | 2018-05-11 |
Family
ID=62357733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201721300960.5U Expired - Fee Related CN207349513U (en) | 2017-10-10 | 2017-10-10 | A kind of fire extinguisher liquid non-return valve |
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CN (1) | CN207349513U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645664A (en) * | 2018-05-17 | 2018-10-12 | 安徽睿知信信息科技有限公司 | A kind of liquid sampler for pharmaceutical test analysis |
CN113385105A (en) * | 2021-07-02 | 2021-09-14 | 重庆朗福环保科技有限公司 | Technology and device for converting carbon dioxide into chemical raw materials |
-
2017
- 2017-10-10 CN CN201721300960.5U patent/CN207349513U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108645664A (en) * | 2018-05-17 | 2018-10-12 | 安徽睿知信信息科技有限公司 | A kind of liquid sampler for pharmaceutical test analysis |
CN113385105A (en) * | 2021-07-02 | 2021-09-14 | 重庆朗福环保科技有限公司 | Technology and device for converting carbon dioxide into chemical raw materials |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180511 Termination date: 20181010 |
|
CF01 | Termination of patent right due to non-payment of annual fee |