CN211132810U - Antidrip fire control spray gun - Google Patents
Antidrip fire control spray gun Download PDFInfo
- Publication number
- CN211132810U CN211132810U CN201921709678.1U CN201921709678U CN211132810U CN 211132810 U CN211132810 U CN 211132810U CN 201921709678 U CN201921709678 U CN 201921709678U CN 211132810 U CN211132810 U CN 211132810U
- Authority
- CN
- China
- Prior art keywords
- core valve
- spray gun
- core
- main body
- water
- 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.)
- Active
Links
Images
Abstract
An anti-drip fire fighting lance comprising: the spray gun comprises a spray gun main body with a water flow channel, a core valve which is rotatably connected to the spray gun main body and provided with a water guide channel, and an operating handle for controlling the rotation of the core valve, wherein the core valve comprises a core valve bottom positioned at the lower part, a core main body positioned at the middle part, and a handle seat positioned at the upper part, the core main body is provided with a core valve inner flow channel and a separation wall body, the radian of the surface of the core main body extends along the spherical surface, the fire-fighting spray gun easy to assemble has a water outlet state and a water closing state, the water flow channel forms a water flow channel through the core valve inner flow channel in the water outlet state, the water flow channel forms a water flow broken circuit through the separation wall body in the water closing state, a core valve sealing ring is arranged between the spray gun main body and the surface of. The arc concave surface on the end surface of the sealing ring of the core valve is matched with the arc surface on the surface of the core main body, the matching is tight, and particularly, under the water closing state, the sealing ring plays a good role in sealing and effectively prevents dripping and leaking.
Description
Technical Field
The utility model relates to an antidrip fire control spray gun.
Background
The prior art fire fighting lance generally comprises: the spray gun comprises a spray gun main body with a water flow channel, a core valve which is rotatably connected to the spray gun main body and is provided with a water guide channel, and an operating handle for controlling the core valve to rotate, wherein the spray gun main body is provided with a water outlet state and a water closing state, the water flow channel forms a water flow channel through a flow channel in the core valve in the water outlet state, and the water flow channel forms a water flow broken circuit through the blocking wall body in the water closing state. Such as patent publication No. CN202478455U, a fire fighting lance. The spray gun for fire fighting comprises a spray head, a core divider, a gun body and a three-way round ball, wherein the spray head is connected with the gun body through threads, the core divider is connected with the three-way round ball through a pin and arranged in the gun body, and a handle is arranged on the three-way round ball through threads. A sealing ring is arranged between the gun body and the tee-joint round ball, the sealing ring is always in line contact with the tee-joint round ball, and after the gun body is rotated for a long time for use, parts are easy to shift and change into a meter to cause water leakage.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an antidrip fire control spray gun.
In order to solve the technical problem, the utility model discloses a technical scheme is: an anti-drip fire fighting lance comprising: the spray gun comprises a spray gun main body with a water flow channel, a core valve which is rotatably connected to the spray gun main body and provided with a water guide channel, and an operating handle for controlling the rotation of the core valve, wherein the core valve comprises a core valve bottom positioned at the lower part, a core main body positioned at the middle part, and a handle seat positioned at the upper part, the core main body is provided with a core valve inner flow channel and a separation wall body, the radian of the surface of the core main body extends along the spherical surface, the anti-drip fire-fighting spray gun has a water outlet state and a water closing state, the water flow channel passes through the core valve inner flow channel to form a water flow channel under the water outlet state, the water flow channel is separated by the separation wall body to form a water flow broken circuit under the water closing state, a core valve sealing ring is arranged between the spray gun main body and the surface of the core main body, an arc concave.
In certain embodiments, the lance body comprises: the spray gun comprises a spray gun seat with a core valve cavity, a pipe inlet cavity and a spray head cavity, a water inlet pipe is arranged in the pipe inlet cavity in a threaded connection and sealing mode, the spray head is arranged in the spray head cavity in a threaded connection and sealing mode, the core valve can be inserted into the core valve cavity in a rotating mode, the center line of the water inlet pipe and the center line of the spray head extend in the same straight line and are perpendicular to the rotating axis of the core valve, and a core valve sealing ring is arranged between the inner end portion of the water inlet pipe and the surface of a core main body.
In some embodiments, the arc concave surface enables an opening on one side of the core valve sealing ring to form a gradually changing bell mouth, the other end surface of the core valve sealing ring is a plane, the inner end of the water inlet pipe is provided with a receiving opening for receiving the core valve sealing ring, the caliber of the receiving opening gradually decreases from deep to shallow, and the outer side wall of the core valve sealing ring is an inclined surface matched with the inner wall of the receiving opening.
In some embodiments, the inner end of the water inlet pipe and the inner end of the spray head are respectively abutted between the core valve bottom and the handle seat.
In some embodiments, a rotation limiting mechanism is arranged between the core valve bottom and the spray gun seat, and comprises a protrusion arranged on one of the core valve bottom and the spray gun seat and an arc-shaped groove arranged on the other of the core valve bottom and the spray gun seat, and the protrusion is inserted into the arc-shaped groove.
In some embodiments, the operating handle is integrally formed with the handle housing.
In some embodiments, the water inlet pipe and the spray gun base are connected and rotation-stopped through a safety screw.
The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the arc concave surface on the end surface of the sealing ring of the core valve is matched with the arc surface on the surface of the core main body, the matching is tight, and particularly, under the water closing state, the sealing ring plays a good role in sealing and effectively prevents dripping and leaking.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic sectional view of the present invention;
FIG. 3 is a cross-sectional view of a sealing ring of the cartridge valve;
wherein: 1. a spray gun body; 11. a spray gun base; 111. a protrusion; 12. a water inlet pipe; 13. a spray head;
2. a core valve; 21. a core valve bottom; 211. an arc-shaped slot; 22. a core body; 23. a handle seat; 24. an operating handle;
3. a core valve seal ring;
4. a water inlet sealing ring;
5. a nozzle seal ring;
6. a handle seat sealing ring;
7. a safety screw.
Detailed Description
As shown in fig. 1 and 2, the drip-proof fire-fighting lance comprises: the spray gun comprises a spray gun body 1 with a water flow channel, a core valve 2 which is rotatably connected to the spray gun body 1 and is provided with a water guide channel, and an operating handle 24 for controlling the rotation of the core valve 2. The core valve 2 comprises a core valve bottom 21 positioned at the lower part, a core main body 22 positioned at the middle part and a handle seat 23 positioned at the upper part, and the operating handle 24 and the handle seat 23 are integrally formed and are convenient to assemble.
The core main body 22 is provided with a core valve inner flow passage and a blocking wall body, the radian of the surface of the core main body 22 extends along the spherical surface,
the operating handle 24 controls the core valve 2 to rotate, so that the drip-proof fire-fighting spray gun has a water outlet state and a water closing state, the water flow channel of the spray gun body 1 forms a water flow passage through the core valve inner flow channel in the water outlet state, and the water flow channel of the spray gun body 1 forms a water flow broken circuit under the obstruction of the obstruction wall body in the water closing state.
The spray gun body 1 includes: the spray gun comprises a spray gun seat 11 with a core valve cavity, a pipe inlet cavity and a spray head cavity, a water inlet pipe 12 which is connected with threads and is arranged in the pipe inlet cavity in a sealing way through a water inlet sealing ring 4, a spray head 13 which is connected with threads and is arranged in the spray head cavity in a sealing way through a spray head sealing ring 5, a core valve 2 can be inserted in the core valve cavity in a rotating way, and the central line of the water inlet pipe 12 and the central line of the spray head 13 extend in the same straight line and are vertical to the rotating axis of the core valve 2.
A core valve sealing ring 3 is arranged between the inner end part of the water inlet pipe 12 and the surface of the core main body 22, and an arc concave surface is arranged on one end surface of the core valve sealing ring 3 and is abutted against the surface of the core main body 22. As shown in fig. 3, the arc concave surface enables an opening on one side of the core valve sealing ring 3 to form a gradually changing bell mouth, and the other end surface of the core valve sealing ring 3 is a plane. As shown in fig. 2, the inner end of the water inlet pipe 12 has a receiving opening for receiving the core valve sealing ring 3, the bore of the receiving opening gradually decreases from deep to shallow, and the outer side wall of the core valve sealing ring 3 is an inclined surface matched with the inner wall of the receiving opening.
The inner end of the water inlet pipe 12 and the inner end of the nozzle 13 are respectively abutted between the core valve bottom 21 and the handle seat 23. A rotation limiting mechanism is arranged between the core valve bottom 21 and the spray gun seat 11, and comprises a protrusion 111 arranged on one of the core valve bottom 21 and the spray gun seat 11 and an arc-shaped groove 211 arranged on the other of the core valve bottom 21 and the spray gun seat 11, wherein the protrusion 111 is inserted in the arc-shaped groove 211.
The water inlet pipe 12 and the spray gun seat 11 are connected through a safety screw 7 to stop rotation.
When the spray gun seat is installed, the handle seat sealing ring 6 is installed on the handle seat 23 and is inserted into the core valve cavity of the spray gun seat 11, the bulge 111 is inserted into the arc-shaped groove 211, and the handle seat sealing ring 6 is abutted against the inner wall of the spray gun seat 11; the nozzle 13 is sleeved with a nozzle sealing ring 5 and screwed into the nozzle cavity of the nozzle base 11 until the nozzle is clamped between the core valve bottom 21 and the handle base 23; the water inlet pipe 12 is sleeved with the water inlet sealing ring 4, the core valve sealing ring 3 is arranged at the inner end part of the water inlet pipe, the water inlet pipe is screwed into the pipe cavity of the spray gun seat 11 until the water inlet pipe is clamped between the core valve bottom 21 and the handle seat 23, the core valve sealing ring 3 is pressed against the surface of the core main body 22, the outer end part of the water inlet pipe 12 is connected with the water inlet hose, and the safety screw 7 is screwed between the water inlet pipe 12 and the spray gun seat 11 to prevent looseness between the water inlet pipe 12 and. And (5) finishing the installation.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. An anti-drip fire fighting lance comprising: a spray gun main body (1) with a water flow channel, a core valve (2) which is rotatably connected on the spray gun main body (1) and is provided with a water guide channel, and an operating handle (24) for controlling the core valve (2) to rotate,
the core valve (2) comprises a core valve bottom (21) positioned at the lower part, a core main body (22) positioned at the middle part and a handle seat (23) positioned at the upper part, the core main body (22) is provided with a core valve inner flow passage and a blocking wall body, the surface radian of the core main body (22) extends along the spherical surface,
the drip-proof fire-fighting spray gun has a water outlet state and a water closing state, the water flow channel forms a water flow passage through the inner flow channel of the core valve in the water outlet state, the water flow channel is separated by the separation wall body to form a water flow open circuit in the water closing state,
a core valve sealing ring (3) is arranged between the spray gun main body (1) and the surface of the core main body (22),
the method is characterized in that: an arc concave surface is arranged on one end face of the core valve sealing ring (3), and the arc concave surface abuts against the surface of the core main body (22).
2. The drip resistant fire fighting lance of claim 1, wherein: the spray gun body (1) comprises: the spray gun comprises a spray gun seat (11) with a core valve cavity, a pipe inlet cavity and a spray head cavity, a water inlet pipe (12) is arranged in the pipe inlet cavity in a threaded connection and sealing mode, the spray head (13) is arranged in the spray head cavity in a threaded connection and sealing mode, a core valve (2) can be inserted into the core valve cavity in a rotating mode, the center line of the water inlet pipe (12) and the center line of the spray head (13) extend in the same straight line and are perpendicular to the rotating axis of the core valve (2), and a core valve sealing ring (3) is arranged between the inner end portion of the water inlet pipe (12) and the surface of a core main body (22).
3. The drip resistant fire fighting lance of claim 2, wherein: the circular arc concave surface enables an opening on one side of the core valve sealing ring (3) to form a gradually-changed horn mouth, the other end face of the core valve sealing ring (3) is a plane, a containing opening for containing the core valve sealing ring (3) is formed in the inner end portion of the water inlet pipe (12), the caliber of the containing opening is gradually reduced from deep to shallow, and the outer side wall of the core valve sealing ring (3) is an inclined plane matched with the inner wall of the containing opening.
4. The drip resistant fire fighting lance of claim 3, wherein: the inner end part of the water inlet pipe (12) and the inner end part of the spray head (13) are respectively abutted between the core valve bottom (21) and the handle seat (23).
5. The drip resistant fire fighting lance of claim 4, wherein: the spray gun comprises a core valve base (21), a spray gun seat (11), a rotary limiting mechanism and a rotary limiting mechanism, wherein the rotary limiting mechanism is arranged between the core valve base (21) and the spray gun seat (11), the rotary limiting mechanism comprises a protrusion (111) arranged on one of the core valve base (21) and the spray gun seat (11) and an arc-shaped groove (211) arranged on the other of the core valve base and the spray gun seat, and the protrusion (111) is inserted into the arc-shaped groove (211).
6. The drip resistant fire fighting lance of claim 5, wherein: the operating handle (24) and the handle seat (23) are integrally formed.
7. The drip resistant fire fighting lance of claim 6, wherein: the water inlet pipe (12) and the spray gun seat (11) are connected through a safety screw (7) to stop rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921709678.1U CN211132810U (en) | 2019-10-12 | 2019-10-12 | Antidrip fire control spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921709678.1U CN211132810U (en) | 2019-10-12 | 2019-10-12 | Antidrip fire control spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211132810U true CN211132810U (en) | 2020-07-31 |
Family
ID=71765993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921709678.1U Active CN211132810U (en) | 2019-10-12 | 2019-10-12 | Antidrip fire control spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211132810U (en) |
-
2019
- 2019-10-12 CN CN201921709678.1U patent/CN211132810U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8800891B2 (en) | Shower soap dispenser and cartridge | |
| KR102175219B1 (en) | A Hose for a shower hiving tangle preventing funtion | |
| WO2019130202A1 (en) | Swivel coupling | |
| US20060207664A1 (en) | Water valve assembly for bathroom faucets | |
| CN211132810U (en) | Antidrip fire control spray gun | |
| US4497444A (en) | Shower head | |
| JP2009022830A (en) | Valve apparatus for switching nozzle in boom multihead blowing pipe | |
| CN113494627B (en) | Water return valve and water supply system | |
| CN217630268U (en) | Connector and bubbling structure | |
| CN219092409U (en) | Shower head | |
| CN212759236U (en) | Switching control mechanism of spray gun | |
| JP2004105788A (en) | Water delivery device | |
| CN220879245U (en) | Rotary water-stopping spray head | |
| CN220370280U (en) | Dosing device and anesthetic vaporizer | |
| KR102411169B1 (en) | Gas switchgear | |
| CN218000517U (en) | Water passing part and shower | |
| CN211050785U (en) | Rotary opening type fire-fighting water spray gun | |
| US20200147625A1 (en) | Shower device | |
| CN211132800U (en) | Easily assembled fire control spray gun | |
| CN217463326U (en) | Faucet valve element of carbon dioxide bubble water and double-outlet faucet | |
| CN216724823U (en) | Tooth flushing device nozzle and tooth flushing device | |
| KR102076315B1 (en) | Button type shower | |
| CN211501737U (en) | Four-gear shower constant temperature faucet | |
| CN211423454U (en) | Double-handle faucet water channel and valve core matching structure | |
| CN218718983U (en) | Shower faucet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |