CN108815775B - Indoor fire hydrant - Google Patents
Indoor fire hydrant Download PDFInfo
- Publication number
- CN108815775B CN108815775B CN201810404140.3A CN201810404140A CN108815775B CN 108815775 B CN108815775 B CN 108815775B CN 201810404140 A CN201810404140 A CN 201810404140A CN 108815775 B CN108815775 B CN 108815775B
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- China
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- valve
- straight rod
- rod
- hole
- fire hydrant
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/20—Hydrants, e.g. wall-hoses, wall units, plug-in cabinets
Abstract
The invention discloses an indoor fire hydrant, which comprises a valve body, wherein the side wall of the valve body is respectively provided with a first through hole, a second through hole and a third through hole, and the axes of the first through hole and the second through hole are collinear. The water outlet valve is simple in structure, the valve clack abuts against the valve seat, the valve body is closed, the water outlet pipe is clamped, the fourth straight rod on the water outlet pipe abuts against the fifth straight rod, the fifth straight rod drives the trapezoidal sliding block to move leftwards, the third straight rod moves upwards relative to the trapezoidal sliding block along the inclined surface of the trapezoidal sliding block under the action of resilience force of the third spring, the third straight rod is separated from the first straight rod, at the moment, the hand wheel can be freely rotated, the valve clack is separated from the valve seat, water is discharged, when the water outlet pipe is pulled out, the fourth straight rod is separated from the fifth straight rod, the fifth straight rod drives the trapezoidal sliding block to move rightwards under the action of the resilience force of the first spring, the inclined surface of the trapezoidal sliding block extrudes the third straight rod, the third straight rod is clamped with the first straight.
Description
Technical Field
The invention relates to the technical field of fire hydrants, in particular to an indoor fire hydrant.
Background
A fire hydrant, called fire hydrant formally, is a fixed fire-fighting equipment, and mainly has the functions of controlling combustible substances, isolating combustion-supporting substances and eliminating ignition sources. It is divided into indoor fire hydrant and outdoor fire hydrant. The fire extinguishing system comprises an outdoor fire hydrant system, an indoor fire hydrant system and a fire extinguisher system, and some fire extinguishing systems also comprise an automatic spraying system, a water cannon system, a gas fire extinguishing system, a fire detection system, a water mist system and the like. The fire hydrant is mainly used for the fire truck to take water from a municipal water supply network or an outdoor fire-fighting water supply network to put out a fire, and can also be directly connected with a water hose and a water gun to discharge water for putting out a fire; the existing fire hydrant has no self-locking function, and is easily opened maliciously or accidentally by people, so that water resource waste is caused.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an indoor fire hydrant.
In order to achieve the purpose, the invention adopts the following technical scheme:
an indoor fire hydrant comprises a valve body, wherein a first through hole, a second through hole and a third through hole are respectively arranged on the side wall of the valve body, the axes of the first through hole and the second through hole are collinear, the inner wall of the first through hole is in threaded connection with a valve cover, a valve rod is inserted in the valve cover in a threaded connection mode, one end, located outside the valve body, of the valve rod is detachably connected with a hand wheel, one end, located inside the valve body, of the valve rod is detachably connected with a valve clack, one side, away from the valve rod, of the valve clack is abutted against a valve seat, the valve seat is in threaded connection with the inner wall of the second through hole, an orifice of the third through hole is in threaded connection with an internal thread fixing interface, one side, close to the valve body, of the internal thread fixing interface is connected with one side of a fixed orifice plate, and the valve clack is connected with a locking device.
Preferably, the locking device comprises a first straight rod fixedly connected with the valve clack, the first straight rod is provided with an insertion hole, a third straight rod is inserted in the insertion hole, the third straight rod is respectively sleeved with a third spring and a second straight rod, one end of the second straight rod, which is far away from the third straight rod, is connected with the inner wall of the valve body, the two ends of the third spring are respectively connected with the side walls of the second straight rod and the third straight rod, the inner wall of the movable pore plate is connected with a sliding sleeve through a supporting rod, a fifth straight rod is inserted in the sliding sleeve in a sliding way, the first spring is sleeved on the fifth straight rod, and both ends of the first spring are respectively connected with the sliding sleeve and a fifth straight rod, one end of the fifth straight rod close to the third straight rod is connected with a trapezoidal sliding block, and the inclined plane of the trapezoidal sliding block abuts against the upper end of the third straight rod, one end, far away from the trapezoidal sliding block, of the fifth straight rod abuts against one end of the fourth straight rod, and the other end of the fourth straight rod is connected with the water outlet pipe.
Preferably, one end of the third straight rod close to the trapezoidal sliding block is rotatably connected with a roller.
Preferably, the valve rod is respectively sleeved with a nameplate and a hexagon bolt, the nameplate is positioned between the hexagon bolt and the hand wheel, the hexagon bolt is in threaded connection with the valve rod, and the joint of the hand wheel and the valve rod is a conical surface.
Preferably, a valve rod nut is sleeved on the valve rod through threads, and the valve rod nut is connected with the valve cover through a screw.
Preferably, a bayonet is arranged on the valve clack, an annular clamping groove is arranged at one section of the valve rod, which is located in the bayonet, a stopping clamping ring is clamped in the annular clamping groove, and the stopping clamping ring is abutted to the inner wall of the bayonet.
Preferably, a valve flap sealing gasket is sleeved on the valve flap.
Preferably, the valve rod is sleeved with a first sealing ring, and the valve cover is provided with a placing groove corresponding to the first sealing ring.
Preferably, the movable orifice plate is sleeved with a limiting sleeve, and the valve cover is sleeved with a second sealing ring.
Compared with the prior art, the invention has the beneficial effects that: the invention has simple structure, the valve clack is propped against the valve seat, the valve body is closed, then the valve body is clamped on the water outlet pipe, the fourth straight rod on the water outlet pipe is propped against the fifth straight rod, the fifth straight rod drives the trapezoidal sliding block to move leftwards, under the action of the resilience force of the third spring, the third straight rod moves upwards along the inclined plane relative to the trapezoidal sliding block, the third straight rod is separated from the first straight rod, at the moment, the hand wheel can be freely rotated to separate the valve clack from the valve seat, water outlet is realized, when the water outlet pipe is pulled down, the fourth straight rod is separated from the fifth straight rod, under the action of the resilience force of the first spring, the fifth straight rod drives the trapezoidal sliding block to move rightwards, the inclined surface of the trapezoidal sliding block extrudes the third straight rod, the third straight rod is clamped with the first straight rod again to fix the valve clack, the hand wheel is prevented from being touched accidentally, water resources are saved, under the condition, only when the fifth straight rod is pressed, the unlocking can be realized, the valve is opened, and the use safety is improved.
Drawings
Fig. 1 is a schematic structural diagram according to the present invention.
In the figure: the valve comprises a valve body 1, a valve seat 2, a valve clack sealing gasket 3, a valve clack 4, a backstop clamping ring 5, a valve rod nut 6, a screw 7, a valve cover 8, a valve rod 9, a hand wheel 10, a nameplate 11, a hexagon bolt 12, a first sealing ring 13, a second sealing ring 14, a movable orifice plate 15, a second spring 16, a fixed orifice plate 17, an internal thread fixing interface 18, a limiting sleeve 19, a first straight rod 20, a second straight rod 21, a trapezoidal sliding block 22, a third straight rod 23, a fourth straight rod 24, a fifth straight rod 25, a first spring 26, a sliding sleeve 27 and a water outlet pipe 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the indoor fire hydrant comprises a valve body 1, wherein the side wall of the valve body 1 is respectively provided with a first through hole, a second through hole and a third through hole, the axes of the first through hole and the second through hole are collinear, the inner wall of the first through hole is in threaded connection with a valve cover 8, a valve rod 9 is in threaded connection with the valve cover 8, one end of the valve rod 9, which is positioned outside the valve body 1, is detachably connected with a hand wheel 10, one end of the valve rod 9, which is positioned inside the valve body 1, is detachably connected with a valve clack 4, the valve rod 9 is respectively sleeved with a nameplate 11 and a hexagon bolt 12, the nameplate 11 is positioned between the hexagon bolt 12 and the hand wheel 10, the hexagon bolt 12 is in threaded connection with the valve rod 9, the connection part of the hand wheel 10 and the valve rod 9 is a conical surface, the valve rod 9 is in threaded connection with a valve rod nut 6, the, the sealing performance is improved, one side of the valve clack 4 far away from the valve rod 9 is abutted with the valve seat 2, the valve seat 2 is in threaded connection with the inner wall of the second through hole, the hole opening of the third through hole is in threaded connection with an internal thread fixing interface 18, one side of the internal thread fixing interface 18 close to the valve body 1 is connected with one side of a fixed pore plate 17, the other side of the fixed pore plate 17 is connected with one side of a movable pore plate 15 through a second spring 16, a limiting sleeve 19 is sleeved on the movable pore plate 15, a second sealing ring 14 is sleeved on the valve cover 8, the other side of the movable pore plate 15 is abutted against the inner wall of the third through hole, a water outlet pipe 28 is clamped at one end of the internal thread fixing interface 18 far away from the valve body 1, a locking device is connected on the valve clack 4 and comprises a first straight rod 20 fixedly connected with the valve clack 4, the backstop retainer ring 5 is abutted against the inner wall of the bayonet, so that the disassembly is convenient, the replacement is carried out, a valve flap sealing gasket 3 is sleeved on the valve flap 4, a jack is arranged on the first straight rod 20, a third straight rod 23 is inserted in the jack, a third spring and a second straight rod 21 are respectively sleeved on the third straight rod 23, one end of the second straight rod 21, far away from the third straight rod 23, is connected with the inner wall of the valve body 1, two ends of the third spring are respectively connected with the side walls of the second straight rod 21 and the third straight rod 23, the inner wall of the movable pore plate 15 is connected with a sliding sleeve 27 through a support rod, a fifth straight rod 25 is slidably inserted in the sliding sleeve 27, a first spring 26 is sleeved on the fifth straight rod 25, two ends of the first spring 26 are respectively connected with the sliding sleeve 27 and the fifth straight rod 25, one end, close to the third straight rod 23, of the fifth straight rod 25 is connected with a trapezoidal sliding block 22, an inclined plane of the trapezoidal sliding block 22 is abutted against the, the other end of the fourth straight rod 24 is connected with a water outlet pipe 28, one end of the third straight rod 23 close to the trapezoidal sliding block 22 is rotatably connected with a roller to reduce friction, and the elastic force of the first spring 26 is greater than that of the third spring.
The working principle is as follows: the valve clack 4 abuts against the valve seat 2, the valve body 1 is closed, then the valve clack is clamped and connected with the water outlet pipe 28, a fourth straight rod 24 on the water outlet pipe 28 abuts against a fifth straight rod 25, the fifth straight rod 25 drives the trapezoidal sliding block 22 to move leftwards, under the action of resilience force of a third spring, the third straight rod 23 moves upwards along the inclined surface of the trapezoidal sliding block 22 relative to the trapezoidal sliding block 22, the third straight rod 23 is separated from the first straight rod 20, at the moment, the hand wheel 10 can be rotated freely, the valve clack 4 is separated from the valve seat 2, water outlet is achieved, when the water outlet pipe 28 is pulled down, the fourth straight rod 24 is separated from the fifth straight rod 25, under the action of resilience force of the first spring 26, the fifth straight rod 25 drives the trapezoidal sliding block 22 to move rightwards, the inclined surface of the trapezoidal sliding block 22 extrudes the third straight rod 23, the third straight rod 23.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An indoor fire hydrant comprises a valve body (1), wherein a first through hole, a second through hole and a third through hole are respectively formed in the side wall of the valve body (1), and the axes of the first through hole and the second through hole are collinear, and the indoor fire hydrant is characterized in that the inner wall of the first through hole is in threaded connection with a valve cover (8), a valve rod (9) is inserted into the valve cover (8) in a threaded manner, one end, located outside the valve body (1), of the valve rod (9) is detachably connected with a hand wheel (10), one end, located inside the valve body (1), of the valve rod (9) is detachably connected with a valve clack (4), one side, away from the valve rod (9), of the valve clack (4) is abutted against a valve seat (2), the valve seat (2) is in threaded connection with the inner wall of the second through hole, an orifice of the third through hole is in threaded connection with an internal, the other side of the fixed orifice plate (17) is connected with one side of the movable orifice plate (15) through a second spring (16), the other side of the movable orifice plate (15) is abutted against the inner wall of the third through hole, one end, far away from the valve body (1), of the internal thread fixed interface (18) is clamped with a water outlet pipe (28), and the valve clack (4) is connected with a locking device;
the locking device comprises a first straight rod (20) fixedly connected with the valve clack (4), a jack is arranged on the first straight rod (20), a third straight rod (23) is inserted in the jack, a third spring and a second straight rod (21) are respectively sleeved on the third straight rod (23), one end, far away from the third straight rod (23), of the second straight rod (21) is connected with the inner wall of the valve body (1), two ends of the third spring are respectively connected with the side walls of the second straight rod (21) and the third straight rod (23), the inner wall of the movable orifice plate (15) is connected with a sliding sleeve (27) through a supporting rod, a fifth straight rod (25) is slidably inserted in the sliding sleeve (27), a first spring (26) is sleeved on the fifth straight rod (25), two ends of the first spring (26) are respectively connected with the sliding sleeve (27) and the fifth straight rod (25), one end, close to the third straight rod (23), of the fifth straight rod (25) is connected with a trapezoidal sliding block (22, the inclined plane of the trapezoidal sliding block (22) is abutted against the upper end of the third straight rod (23), one end, far away from the trapezoidal sliding block (22), of the fifth straight rod (25) is abutted against one end of the fourth straight rod (24), and the other end of the fourth straight rod (24) is connected with the water outlet pipe (28).
2. An indoor fire hydrant according to claim 1 in which one end of the third straight rod (23) near the trapezoidal slider (22) is rotatably connected with a roller.
3. An indoor fire hydrant according to claim 1, wherein a nameplate (11) and a hexagon bolt (12) are sleeved on the valve rod (9) respectively, the nameplate (11) is located between the hexagon bolt (12) and the hand wheel (10), the hexagon bolt (12) is in threaded connection with the valve rod (9), and the connection position of the hand wheel (10) and the valve rod (9) is a conical surface.
4. An indoor fire hydrant according to claim 1 in which the valve rod (9) is threadedly fitted with a valve rod nut (6), the valve rod nut (6) being connected to the valve cover (8) by a screw (7).
5. An indoor fire hydrant according to claim 1 in which a bayonet is provided on the valve flap (4), a ring groove is provided on a section of the valve rod (9) located in the bayonet, a retaining collar (5) is snap-fitted into the ring groove, and the retaining collar (5) abuts against the inner wall of the bayonet.
6. An indoor fire hydrant according to claim 1 in which the flap (4) is fitted over a flap gasket (3).
7. An indoor fire hydrant according to claim 1 in which a first sealing ring (13) is fitted over the valve rod (9) and a groove corresponding to the first sealing ring (13) is provided on the valve cover (8).
8. An indoor fire hydrant according to claim 1 in which a stop collar (19) is fitted over the movable orifice plate (15) and a second sealing ring (14) is fitted over the valve cover (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404140.3A CN108815775B (en) | 2018-04-28 | 2018-04-28 | Indoor fire hydrant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810404140.3A CN108815775B (en) | 2018-04-28 | 2018-04-28 | Indoor fire hydrant |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108815775A CN108815775A (en) | 2018-11-16 |
| CN108815775B true CN108815775B (en) | 2021-02-19 |
Family
ID=64147631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810404140.3A Active CN108815775B (en) | 2018-04-28 | 2018-04-28 | Indoor fire hydrant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108815775B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933498B (en) * | 2021-04-21 | 2021-11-30 | 中钊建设集团有限公司 | Indoor fire fighting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079061U (en) * | 1990-10-30 | 1991-06-19 | 朱晶 | Automatic open and close fire hydrant |
| CN2112421U (en) * | 1992-01-17 | 1992-08-12 | 张丽萍 | Quick adjustable hydrant device |
| KR101036566B1 (en) * | 2008-08-01 | 2011-05-24 | (주)화이어대상 | Indoor hydrant outlet |
| CN205182050U (en) * | 2015-11-25 | 2016-04-27 | 福建省沪消消防科技有限公司 | Novel indoor fire hydrant |
| CN206017850U (en) * | 2016-08-27 | 2017-03-15 | 江苏苏盐阀门机械有限公司 | A kind of stable type ball valve |
-
2018
- 2018-04-28 CN CN201810404140.3A patent/CN108815775B/en active Active
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| Publication number | Publication date |
|---|---|
| CN108815775A (en) | 2018-11-16 |
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