CN215371117U - Portable dry powder shallow valve - Google Patents
Portable dry powder shallow valve Download PDFInfo
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- CN215371117U CN215371117U CN202120928888.0U CN202120928888U CN215371117U CN 215371117 U CN215371117 U CN 215371117U CN 202120928888 U CN202120928888 U CN 202120928888U CN 215371117 U CN215371117 U CN 215371117U
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- air inlet
- dry powder
- sealing
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Abstract
The utility model discloses a portable dry powder cart valve, which comprises: the valve body is provided with a working cavity, a valve outlet and a valve inlet; the working cavity is divided into a first working cavity and a second working cavity which are communicated, and the connecting position of the first working cavity and the second working cavity forms a limiting part; the first working cavity is communicated with the valve outlet; an elastic piece is arranged in the second working cavity, the bottom of the second working cavity is sunken inwards to form an elastic piece fixing part, and one end of the elastic piece is fixed on the elastic piece fixing part; the second working cavity is communicated with a valve air inlet; the valve rod is installed in the working cavity in a matching mode, a sealing assembly is arranged at one end of the valve rod, the maximum width of the sealing assembly is larger than the distance between the limiting parts, and one end, far away from the elastic part fixing part, of the elastic part is matched with the sealing assembly; the convenient dry powder cart valve provided by the utility model controls the opening and closing of the valve by rotating the operating handle, is convenient to use and saves time.
Description
Technical Field
The utility model relates to the technical field of fire-fighting equipment, in particular to a portable dry powder cart valve.
Background
The fire extinguisher is a portable fire extinguishing tool, and chemical articles are placed in the fire extinguisher for rescuing and extinguishing fire. The fire extinguisher is one of common fire-proof facilities, is stored in public places or places where fire disasters may happen, and different fire extinguishers of different types are filled with different components and are specially designed for different fires. When the fire spreading area is large, fire fighters can generally use the cart-type fire extinguisher to extinguish fire, the cart-type fire extinguisher has large fire extinguishing agent content, can quickly extinguish large-area fire, and is suitable for places such as factories, warehouses, ships, gas stations and power distribution rooms. The existing cart-type fire extinguisher is opened in a screw-type handle mode generally, and is complex to operate and time-consuming.
Therefore, there is a need for further research and practice of the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the technical problem of providing a convenient dry powder cart valve which is convenient to use and saves time.
(II) technical scheme
The technical scheme adopted by the utility model for solving the problems is as follows:
a portable dry powder cart valve, comprising:
the valve body is provided with a working cavity, a valve outlet and a valve inlet; the working cavity is divided into a first working cavity and a second working cavity which are communicated, and a limiting part is formed at the connecting position of the first working cavity and the second working cavity; the first working chamber is communicated with the valve outlet; an elastic piece is arranged in the second working cavity, the bottom of the second working cavity is inwards sunken to form an elastic piece fixing part, and one end of the elastic piece is fixed on the elastic piece fixing part; the second working cavity is communicated with the valve air inlet;
the valve rod is installed in the working cavity in a matching mode, a sealing assembly is arranged at one end of the valve rod, the maximum width of the sealing assembly is larger than the distance between the limiting parts, and one end, far away from the elastic part fixing part, of the elastic part is matched with the sealing assembly; when the sealing assembly is in contact with the limiting part, one end, far away from the sealing assembly, of the valve rod extends out of the first working cavity;
the operating handle is arranged above the first working cavity and is hinged with the valve body; the one end that operating handle is close to articulated position is provided with the bellying, through rotating operating handle, the bellying rotate to with when the valve rod corresponds the position, the bellying is pressed downwards the valve rod.
According to the technical scheme, the valve rod is pressed downwards by the protruding part at the end part of the operating handle through rotating the operating handle, the valve rod moves downwards under the action of the operating handle and drives the sealing assembly to move downwards, the elastic part is in a compressed state at the moment, the sealing assembly is separated from the limiting part to form a working gap, and dry powder in the fire extinguisher enters the first working cavity from the second working cavity through the working gap and is further sprayed out through the valve outlet; after the fire extinguishing is finished, the operating handle is rotated reversely to reset the operating handle, the elastic piece restores to the original state and pushes the sealing assembly and the valve rod to move upwards, and the sealing assembly is contacted with the limiting part to close the working gap. The valve is controlled to be opened and closed by rotating the operating handle, so that the use is convenient and the time is saved.
Further, a safety pin for limiting the rotation of the operating handle is arranged between the operating handle and the valve body.
In the technical scheme, when the safety pin is not used, the operating handle cannot be rotated due to the limitation of the safety pin, and the operating handle can be rotated after the safety pin is pulled out.
Further, the valve rod is kept away from the one end of seal assembly is provided with first sealing washer mounting groove, first sealing washer mounting groove is provided with first sealing washer, first sealing washer with the inner wall of first working chamber is to the contact.
Among the above-mentioned technical scheme, set up first sealing washer through on the valve rod, increase sealed effect, prevent that the valve from opening the top blowout of back dry powder through first working chamber.
Further, the sealing assembly comprises a fixing gasket, a sealing gasket and a fixing cap;
an installation part is arranged at one end of the valve rod, the fixing gasket is sleeved on the installation part, a sealing gasket installation groove is formed in the fixing cap, and the sealing gasket is arranged in the sealing gasket installation groove; the fixing cap is fixed at the bottom end of the mounting part.
Further, a valve air inlet channel is arranged between the valve air inlet and the second working cavity, and a filter screen is arranged at one end, close to the second working cavity, of the valve air inlet channel.
Further, an air inlet seat is arranged at the air inlet of the valve, and a second sealing ring is arranged between the air inlet seat and the air inlet of the valve; the air inlet seat is provided with an opening and closing air core close to one end of the air inlet channel, only a third sealing ring is arranged on the opening and closing air core, and the third sealing ring is in contact with the air inlet seat.
In the technical scheme, during inflation, the opening and closing air core is pressed inwards, the stroke working gap between the air core and the air inlet seat is opened and closed, and the fire extinguisher is inflated through the air inlet channel; after the completion of inflating, the gas backward extrusion switching gas core in the fire extinguisher for switching gas core and the seat in close contact with that admits air, and increase the leakproofness through setting up the third sealing washer, prevent gas leakage.
Furthermore, a vertical pipe seat communicated with the second working cavity is arranged below the second working cavity.
(III) advantageous effects
Compared with the prior art, the technical scheme of the utility model has the following advantages:
according to the portable dry powder cart valve provided by the utility model, the operation handle is rotated, the protruding part at the end part of the operation handle presses the valve rod downwards, the valve rod moves downwards under the action of the operation handle and drives the sealing assembly to move downwards, at the moment, the elastic part is in a compressed state, the sealing assembly is separated from the limiting part to form a working gap, and dry powder in a fire extinguisher enters the first working cavity from the second working cavity through the working gap and is further sprayed out through the valve outlet; after the fire is extinguished, the operating handle is rotated reversely to reset the operating handle, the elastic piece restores the original state and pushes the sealing assembly and the valve rod to move upwards, the sealing assembly is contacted with the limiting part, and the working gap is closed; the valve is controlled to be opened and closed by rotating the operating handle, so that the use is convenient and the time is saved.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
fig. 3 is a partial cross-sectional view of an air inlet of a valve according to an embodiment of the present invention.
Wherein: 1 is a valve body, 11 is a first working chamber, 12 is a second working chamber, 121 is a limiting part, 122 is an elastic part, 123 is an elastic part fixing part, 13 is a valve outlet, 14 is a valve air inlet, 141 is an air inlet seat, 142 is a second sealing ring, 143 is an opening and closing air core, 144 is a third sealing ring, 15 is a valve air inlet channel, 16 is a filter screen, 17 is a vertical tube seat, 2 is a valve rod, 21 is a sealing component, 211 is a fixing gasket, 212 is a sealing gasket, 213 is a fixing cap, 213a is a sealing gasket mounting groove, 22 is a first sealing ring, 23 is a first sealing ring mounting groove, 24 is a mounting part, 3 is an operating handle, 31 is a bulge part, and 4 is a safety pin.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
Examples
As shown in fig. 1-3, the present invention provides a portable dry powder cart valve, comprising: the valve comprises a valve body 1, wherein a working cavity, a valve outlet 13 and a valve inlet 14 are arranged on the valve body 1; the working cavity is divided into a first working cavity 11 and a second working cavity 12 which are communicated, and a limiting part 121 is formed at the joint position of the first working cavity 11 and the second working cavity 12; the first working chamber 11 is communicated with the valve outlet 13; an elastic member 122 is arranged in the second working chamber 12, the bottom of the second working chamber 12 is recessed inwards to form an elastic member fixing part 123, and one end of the elastic member 122 is fixed on the elastic member fixing part 123; the second working chamber 12 is communicated with the valve inlet 14; a vertical pipe seat 17 communicated with the second working cavity 12 is arranged below the second working cavity 12; the valve rod 2 is installed in the working cavity in a matching mode, one end of the valve rod 2 is provided with a sealing assembly 21, the maximum width of the sealing assembly 21 is larger than the distance between the limiting parts 121, and one end, far away from the elastic part fixing part 123, of the elastic part 122 is matched with the sealing assembly 21; when the sealing assembly 21 is in contact with the limiting part 121, one end of the valve rod 2, which is far away from the sealing assembly 21, extends out of the first working chamber 11; the operating handle 3 is installed above the first working chamber 11, and the operating handle 3 is hinged with the valve body 1; the one end that operating handle 3 is close to articulated position is provided with bellying 31, through rotating operating handle 3, bellying 31 rotate to with when valve rod 2 corresponds the position, bellying 31 pushes down valve rod 2. By rotating the operating handle 3, the boss 31 at the end of the operating handle 3 presses the valve rod 2 downwards, the valve rod 2 moves downwards under the action of the operating handle 3 and drives the sealing component 21 to move downwards, at the moment, the elastic part 122 is in a compressed state, the sealing component 21 is separated from the limiting part 121 to form a working gap, and dry powder in the fire extinguisher enters the first working chamber 11 from the second working chamber 12 through the working gap and is further sprayed out through the valve outlet 13; after the fire extinguishing is finished, the operating handle 3 is rotated reversely to reset the operating handle, the elastic piece 122 restores to the original state and pushes the sealing component 21 and the valve rod 2 to move upwards, the sealing component 21 is contacted with the limiting part 121, and the working gap is closed. The valve is controlled to be opened and closed by rotating the operating handle 3, so that the use is convenient and the time is saved.
A safety pin 4 for limiting the rotation of the operating handle 3 is arranged between the operating handle 3 and the valve body 1; when not in use, the operation handle 3 cannot be rotated due to the restriction of the safety pin 4, and the operation handle 3 can be rotated after the safety pin 4 is pulled out. A first sealing ring installation groove 23 is formed in one end, far away from the sealing assembly 21, of the valve rod 2, a first sealing ring 22 is arranged in the first sealing ring installation groove 23, and the first sealing ring 22 is in contact with the inner wall of the first working cavity 11; through set up first sealing washer 22 on the valve rod 2, increase sealed effect, prevent that the valve from opening the back dry powder and spout through the top of first working chamber 11. The sealing assembly 21 comprises a fixing gasket 211, a sealing gasket 212 and a fixing cap 213; a mounting part 24 is arranged at one end of the valve rod 2, the fixing gasket 211 is sleeved on the mounting part 24, a sealing gasket mounting groove 213a is formed in the fixing cap 213, and the sealing gasket 212 is arranged in the sealing gasket mounting groove 213 a; the fixing cap 213 is fixed to the bottom end of the mounting portion 24.
A valve air inlet channel 15 is arranged between the valve air inlet 14 and the second working cavity 12, and a filter screen 16 is arranged at one end, close to the second working cavity 12, of the valve air inlet channel 15; an air inlet seat 141 is arranged at the position of the valve air inlet 14, and a second sealing ring 142 is arranged between the air inlet seat 141 and the valve air inlet 14; one end of the air inlet seat 141 close to the air inlet passage is provided with an opening and closing air core 143, the opening and closing air core 143 is provided with only a third sealing ring 144, and the third sealing ring 144 is in contact with the air inlet seat 141. When in inflation, the opening and closing gas core 143 is pressed inwards, the stroke working gap between the opening and closing gas core 143 and the gas inlet seat 141 is opened and closed, and the fire extinguisher is inflated through the gas inlet channel; after the gas is filled, the gas in the fire extinguisher reversely extrudes the open-close gas core 143, so that the open-close gas core 143 is in close contact with the gas inlet seat 141, and the sealing performance is improved by arranging the third sealing ring 144, thereby preventing gas leakage.
According to the portable dry powder cart valve provided by the utility model, the operation handle is rotated, the protruding part at the end part of the operation handle presses the valve rod downwards, the valve rod moves downwards under the action of the operation handle and drives the sealing assembly to move downwards, at the moment, the elastic part is in a compressed state, the sealing assembly is separated from the limiting part to form a working gap, and dry powder in a fire extinguisher enters the first working cavity from the second working cavity through the working gap and is further sprayed out through the valve outlet; after the fire is extinguished, the operating handle is rotated reversely to reset the operating handle, the elastic piece restores the original state and pushes the sealing assembly and the valve rod to move upwards, the sealing assembly is contacted with the limiting part, and the working gap is closed; the valve is controlled to be opened and closed by rotating the operating handle, so that the use is convenient and the time is saved.
In summary, the above embodiments are not intended to be limiting embodiments of the present invention, and modifications and equivalent variations made by those skilled in the art based on the spirit of the present invention are within the technical scope of the present invention.
Claims (7)
1. The utility model provides a shallow valve of portable dry powder which characterized in that includes:
the valve comprises a valve body (1), wherein a working cavity, a valve outlet (13) and a valve inlet (14) are arranged on the valve body (1); the working cavity is divided into a first working cavity (11) and a second working cavity (12) which are communicated, and a limiting part (121) is formed at the connecting position of the first working cavity (11) and the second working cavity (12); the first working chamber (11) is communicated with the valve outlet (13); an elastic piece (122) is arranged in the second working cavity (12), the bottom of the second working cavity (12) is inwards sunken to form an elastic piece fixing part (123), and one end of the elastic piece (122) is fixed on the elastic piece fixing part (123); the second working chamber (12) is communicated with the valve air inlet (14);
the valve rod (2) is installed in the working cavity in a matched mode, a sealing assembly (21) is arranged at one end of the valve rod (2), the maximum width of the sealing assembly (21) is larger than the distance between the limiting parts (121), and one end, far away from the elastic part fixing part (123), of the elastic part (122) is matched with the sealing assembly (21); when the sealing assembly (21) is in contact with the limiting part (121), one end of the valve rod (2) far away from the sealing assembly (21) extends out of the first working cavity (11);
the operating handle (3) is installed above the first working cavity (11) and hinged with the valve body (1); a convex part (31) is arranged at one end of the operating handle (3) close to the hinged position; by rotating the operating handle (3), when the boss (31) rotates to a position corresponding to the valve rod (2), the boss (31) presses the valve rod (2) downward.
2. The portable dry powder cart valve according to claim 1, wherein a safety pin (4) limiting the rotation of the operating handle (3) is disposed between the operating handle (3) and the valve body (1).
3. The portable dry powder cart valve according to claim 1, wherein a first sealing ring installation groove (23) is formed in one end of the valve rod (2) far away from the sealing assembly (21), a first sealing ring (22) is arranged in the first sealing ring installation groove (23), and the first sealing ring (22) is in contact with the inner wall of the first working chamber (11).
4. The portable dry powder cart valve of claim 1, wherein said sealing assembly (21) comprises a retaining washer (211), a sealing gasket (212), and a retaining cap (213);
an installation part (24) is arranged at one end of the valve rod (2), the fixing gasket (211) is sleeved on the installation part (24), a sealing gasket installation groove (213a) is formed in the fixing cap (213), and the sealing gasket (212) is arranged in the sealing gasket installation groove (213 a); the fixing cap (213) is fixed to the bottom end of the mounting portion (24).
5. The portable dry powder cart valve according to claim 1, wherein a valve inlet channel (15) is disposed between the valve inlet (14) and the second working chamber (12), and a filter screen (16) is disposed at one end of the valve inlet channel (15) close to the second working chamber (12).
6. The portable dry powder cart valve according to claim 5, wherein an air inlet seat (141) is provided at the valve air inlet (14), and a second sealing ring (142) is provided between the air inlet seat (141) and the valve air inlet (14); one end of the air inlet seat (141), which is close to the air inlet channel, is provided with an opening and closing air core (143), only a third sealing ring (144) is arranged on the opening and closing air core (143), and the third sealing ring (144) is in contact with the air inlet seat (141).
7. The portable dry powder cart valve of claim 1, wherein a riser seat (17) is disposed below the second working chamber (12) and communicates with the second working chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120928888.0U CN215371117U (en) | 2021-04-30 | 2021-04-30 | Portable dry powder shallow valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120928888.0U CN215371117U (en) | 2021-04-30 | 2021-04-30 | Portable dry powder shallow valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215371117U true CN215371117U (en) | 2021-12-31 |
Family
ID=79629241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120928888.0U Active CN215371117U (en) | 2021-04-30 | 2021-04-30 | Portable dry powder shallow valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215371117U (en) |
-
2021
- 2021-04-30 CN CN202120928888.0U patent/CN215371117U/en active Active
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