CN208919409U - Heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment - Google Patents
Heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment Download PDFInfo
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- CN208919409U CN208919409U CN201821864160.0U CN201821864160U CN208919409U CN 208919409 U CN208919409 U CN 208919409U CN 201821864160 U CN201821864160 U CN 201821864160U CN 208919409 U CN208919409 U CN 208919409U
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- valve body
- spool
- fire
- heptafluoro
- baffle
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Abstract
The utility model discloses heptafluoro-propane liquid stream check valves used for fire-extinguishing equipment, including valve body, retaining ring, spool, sealing ring, the valve inner is provided with mounting groove, the mounting groove and the valve body are integrally formed, the mounting groove side is provided with the retaining ring, the retaining ring is connected by a snap in the valve body, the retaining ring side is provided with spring, the spring slide is connected to the valve body, the spring side is provided with the spool, the spool is slidably connected to the valve body, the spool side is provided with the sealing ring, the valve body includes fastening nut, connecting column, connecting tube, the fastening nut side is provided with the connecting column.Beneficial effect is: structurally reasonable, easy to operate, easy to use, safety is good, extinguishing chemical can be effectively prevent to flow back in fire extinguishing developing agent storage bottle group using check valve, sealing ring is provided on valve body, can effectively ensure that leakproofness.
Description
Technical field
The utility model relates to check valve fields, more particularly to heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment.
Background technique
Check valve is that fluid can only be flowed along water inlet, and water outlet medium can not but flow back, and be commonly called as check valve.Check valve is again
Claim check-valves or non-return valve.It is empty for preventing oil stream reverse flow in hydraulic system, or for preventing from compressing in pneumatic system
Gas reverse flow, in fire distinguisher, because extinguishing fluid is viscous liquid, general check valve can occur after over time
Abrasion, so that check valve poor sealing, can be such that extinguishing chemical flows back in extinguishing chemical reservoir bottle when stopping injection, it is very uneasy
Entirely.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides heptafluoro-propane liquid stream list used for fire-extinguishing equipment
To valve, the utility model improves the safety of fire-extinguishing apparatus check valve.
The utility model achieves the above object through the following technical schemes:
Heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment, including valve body, retaining ring, spool, sealing ring, the valve inner are set
It is equipped with mounting groove, the mounting groove and the valve body are integrally formed, and the mounting groove side is provided with the retaining ring, the retaining ring
It is connected by a snap in the valve body, the retaining ring side is provided with spring, and the spring slide is connected to the valve body, described
Spring side is provided with the spool, and the spool is slidably connected to the valve body, and the spool side is provided with the sealing
Circle, the valve body include fastening nut, connecting column, connecting tube, and the fastening nut side is provided with the connecting column, described tight
Gu nut and the connecting column are integrally formed, the connecting column side is provided with the connecting tube, the connecting tube and the company
Column integrated molding is connect, connection screw thread is provided in the connecting tube, the connection screw thread and the connecting tube are integrally formed, described
Spool includes stem, spool connecting column, baffle, push plate, and the stem is internally provided with inside groove, and the stem side setting is
Spool connecting column is stated, spool connecting column side is provided with the baffle, and the baffle side is provided with the push plate, described
Sealing ring mounting groove is provided between baffle and the sealing ring.
Preferred: the sealing ring mounting groove and the baffle are integrally formed.
So set, the sealing ring mounting groove plays installation, it is integrally formed easy to process.
Preferred: the baffle and the push plate are integrally formed.
So set, the baffle and the push plate form stressed plate, it is integrally formed and improves stability.
Preferred: the baffle and the spool connecting column are integrally formed.
So set, the spool connecting column plays connection function, it is good to be integrally formed stability.
Preferred: the baffle is connected by gluing with the sealing ring.
So set, the sealing ring seals, leakproofness is improved by gluing.
Preferred: the barrier slides are connected to the valve body.
So set, the baffle seals, it is slidably connected and improves smoothness.
Preferred: the spring slide is connected to the mounting groove.
So set, the spring plays reset role, it is slidably connected and improves smoothness.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, structurally reasonable, it is easy to operate, it is easy to use；
2, safety is good, extinguishing chemical can be effectively prevent to flow back in fire extinguishing developing agent storage bottle group using check valve；
3, it is provided with sealing ring on valve body, can effectively ensure that leakproofness.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of heptafluoro-propane described in the utility model liquid stream check valve used for fire-extinguishing equipment；
Fig. 2 is the schematic diagram of internal structure of heptafluoro-propane described in the utility model liquid stream check valve used for fire-extinguishing equipment；
Fig. 3 is the valve core structure schematic diagram of heptafluoro-propane described in the utility model liquid stream check valve used for fire-extinguishing equipment；
Fig. 4 is the valve core inside structural schematic diagram of heptafluoro-propane described in the utility model liquid stream check valve used for fire-extinguishing equipment.
The reference numerals are as follows:
1, valve body；2, fastening nut；3, connecting column；4, connecting tube；5, connection screw thread；6, mounting groove；7, retaining ring；8, bullet
Spring；9, spool；10, sealing ring；11, stem；12, spool connecting column；13, baffle；14, push plate；15, sealing ring mounting groove；16,
Inside groove.
Specific embodiment
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model is described in further detail with reference to the accompanying drawing:
Embodiment 1
As Figure 1-Figure 4, heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment, including valve body 1, retaining ring 7, spool 9, sealing
Circle 10, valve body 1 is internally provided with mounting groove 6, and valve body 1 plays connection function, and mounting groove 6 plays installation, mounting groove 6 and valve body 1
It is integrally formed, 6 side of mounting groove is provided with retaining ring 7, and retaining ring 7 plays position-limiting action, and retaining ring 7 is connected by a snap in valve body 1, retaining ring
7 sides are provided with spring 8, and spring 8 plays reset role, and spring 8 is slidably connected to valve body 1, and 8 side of spring is provided with spool 9, valve
Core 9 plays folding, and spool 9 is slidably connected to valve body 1, and 9 side of spool is provided with sealing ring 10, and sealing ring 10 plays sealing and makees
With valve body 1 includes fastening nut 2, connecting column 3, connecting tube 4, and 2 side of fastening nut is provided with connecting column 3, and fastening nut 2 rises
Connection and fixed function, connecting column 3 play fixed function, and fastening nut 2 and connecting column 3 are integrally formed, and 3 side of connecting column is provided with
Connecting tube 4, connecting tube 4 play connection function, and connecting tube 4 and connecting column 3 are integrally formed, and are provided with connection screw thread 5 in connecting tube 4,
Connection screw thread 5 plays connection function, and connection screw thread 5 and connecting tube 4 are integrally formed, spool 9 include stem 11, spool connecting column 12,
Baffle 13, push plate 14, stem 11 are internally provided with inside groove 16, and inside groove 16 plays overcurrent, and 11 side of stem is provided with spool company
Column 12 is connect, 12 side of spool connecting column is provided with baffle 13, and 13 side of baffle is provided with push plate 14.
Embodiment 2
The present embodiment the difference from embodiment 1 is that:
Sealing ring mounting groove 15 and baffle 13 are integrally formed, and sealing ring mounting groove 15 plays installation, are integrally formed processing
It is convenient.
Working principle: this check valve connecting column 3 is connected by connecting tube 4 with fire extinguisher, fastening nut 2 and header phase
Connection, when the system is operating, extinguishing chemical enters liquid non-return valve by extinguishing chemical reservoir bottle, and baffle 13 and push plate 14 are pushed away by extinguishing chemical
Dynamic, spring 8 is shunk, and spool 9 is mobile to outside, and extinguishing chemical is flowed out by inside groove 16, is then flowed into header again and is released to guard plot
It puts, after release, spring 8 resets spool 9, prevents extinguishing chemical from flowing back in fire extinguishing developing agent storage bottle group.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment, it is characterised in that: including valve body (1), retaining ring (7), spool (9), close
Seal (10), the valve body (1) are internally provided with mounting groove (6), and the mounting groove (6) and the valve body (1) are integrally formed, institute
It states mounting groove (6) side to be provided with the retaining ring (7), the retaining ring (7) is connected by a snap in the valve body (1), the gear
Circle (7) side is provided with spring (8), and the spring (8) is slidably connected to the valve body (1), and spring (8) side is provided with
The spool (9), the spool (9) are slidably connected to the valve body (1), and spool (9) side is provided with the sealing ring
(10), the valve body (1) includes fastening nut (2), connecting column (3), connecting tube (4), and fastening nut (2) side is provided with
The connecting column (3), the fastening nut (2) and the connecting column (3) are integrally formed, and connecting column (3) side is provided with
The connecting tube (4), the connecting tube (4) and the connecting column (3) are integrally formed, and are provided with connection on the connecting tube (4)
Screw thread (5), the connection screw thread (5) and the connecting tube (4) are integrally formed, and the spool (9) includes stem (11), spool company
Column (12), baffle (13), push plate (14) are connect, the stem (11) is internally provided with inside groove (16), and stem (11) side is set
It is equipped with the spool connecting column (12), spool connecting column (12) side is provided with the baffle (13), the baffle (13)
Side is provided with the push plate (14), is provided with sealing ring mounting groove between the baffle (13) and the sealing ring (10)
(15).
2. heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment according to claim 1, it is characterised in that: the sealing ring peace
Tankage (15) and the baffle (13) are integrally formed.
3. heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment according to claim 1, it is characterised in that: the baffle (13)
It is integrally formed with the push plate (14).
4. heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment according to claim 1, it is characterised in that: the baffle (13)
It is integrally formed with the spool connecting column (12).
5. heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment according to claim 1, it is characterised in that: the baffle (13)
It is connected by gluing and the sealing ring (10).
6. heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment according to claim 1, it is characterised in that: the baffle (13)
It is slidably connected to the valve body (1).
7. heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment according to claim 1, it is characterised in that: the spring (8)
It is slidably connected to the mounting groove (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864160.0U CN208919409U (en) | 2018-11-13 | 2018-11-13 | Heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821864160.0U CN208919409U (en) | 2018-11-13 | 2018-11-13 | Heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208919409U true CN208919409U (en) | 2019-05-31 |
Family
ID=66711892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821864160.0U Active CN208919409U (en) | 2018-11-13 | 2018-11-13 | Heptafluoro-propane liquid stream check valve used for fire-extinguishing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208919409U (en) |
-
2018
- 2018-11-13 CN CN201821864160.0U patent/CN208919409U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 450000 No.9 Yangjin Industrial Park, No.6 Yongxing Road, Jinshui District, Zhengzhou City, Henan Province Patentee after: Unburned Safety Technology Co.,Ltd. Address before: 450000 No.9 Yangjin Industrial Park, No.6 Yongxing Road, Jinshui District, Zhengzhou City, Henan Province Patentee before: HENAN WEIRAN SAFETY TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |