CN208565617U - A kind of fire valve - Google Patents
A kind of fire valve Download PDFInfo
- Publication number
- CN208565617U CN208565617U CN201821290188.8U CN201821290188U CN208565617U CN 208565617 U CN208565617 U CN 208565617U CN 201821290188 U CN201821290188 U CN 201821290188U CN 208565617 U CN208565617 U CN 208565617U
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- China
- Prior art keywords
- valve body
- valve
- channel
- fire
- upper valve
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Safety Valves (AREA)
Abstract
The utility model provides a kind of fire valve, belongs to valve technology field.It is poor that it solves existing fire valve sealing effect, to the non-detectable problem of hydraulic pressure in valve body.This fire valve includes upper valve body, lower valve body, valve rod is equipped in copper tube, one end of valve rod is provided with plunger guide and the valve rod is threaded through in the lower valve body by plunger guide and is slidingly sealed cooperation with lower valve body, the other end of valve rod is placed in the regulation pipe of upper valve body and is equipped between upper valve body the regulating device for making valve rod that plunger guide be driven to do piston motion in lower valve body, and the detection structure for detecting pressure in upper valve body is additionally provided on the side wall of upper valve body.The utility model structure is simple, leakproofness is preferable, with the detection structure for detecting pressure in upper valve body, can preferably control the water pressure of upper valve body, long service life.
Description
Technical field
The utility model belongs to valve technology field, is related to a kind of fire valve.
Background technique
Valve articles are easily common in daily life, are widely used in family, hotel, heavy construction and disappear
The occasions such as anti-, gardens.Fire valve traditional at present includes single valve body, the on-off of water is controlled by common valve, still
The pressure that thus will appear water is excessive, and the sealing performance of valve is caused to reduce, and during long-time service, the company of fire valve
Fitting also easily gets rusty, and affects to using, and inlet and outlet are located at same axis, results in water punching in this way
Excessive, the junction leak that causes extinguishing pipe to be connected on faucet or the phenomenon that extinguishing pipe is directly washed from faucet is hit,
Normal use is not only influenced, and the high pressure water flow that faucet sprays also has a certain impact to personal safety.
For above-mentioned this case, occur a kind of fire valve in the market, such as Chinese patent Patent No.:
A kind of fire valve described in " 201520648029.0 ", specific structure are as follows: upper valve body has water inlet end and water outlet, main valve body
It is upper that there are inlet and outlet, it is connected between water outlet and water inlet by red copper tube body, is equipped in main valve body across red copper
Pipe extends to valve rod made of the intracorporal copper tube of upper valve, and the intracorporal valve rod of upper valve is equipped with ceramic cartridge, and ceramic cartridge is equipped with
Connector, the valve rod end opposite with connector is spirally connected with connector to be connect, and the intracorporal water inlet end of upper valve is equipped with and ceramic valve
The valve seat of core cooperation control water inlet end water size and on-off, the position opposite with valve rod is equipped with mounting hole, installation on main valve body
Rectangular extension bar is sealed and installed on hole, one end of rectangular extension bar is stretched out outer main valve body, the other end and valve rod and connected, leans in main valve body
The side wall of nearly mounting hole extends to form extended cavity to side, and water outlet is set in extended cavity.
In such a configuration, the sealing effect of valve body is poor, and hydraulic pressure is higher in valve body, will lead to valve body leak, also
In the valve body and the not set detection device for detecting pressure in valve body, the bad intracorporal hydraulic pressure of control valve cause valve body to use the longevity
It orders short.
Summary of the invention
The purpose of this utility model is that it is simple, close to provide a kind of structure for the above-mentioned problems in the prior art
Envelope property preferably, with the detection structure for detecting pressure in upper valve body, pressure controls well, fire valve with long service life.
The purpose of this utility model can be realized by the following technical scheme: a kind of fire valve, including respectively be in hollow form
Upper valve body, lower valve body, one end of the upper valve body is admitting pipe joint, the other end is regulation pipe, on the side wall of upper valve body hang down
Directly be provided with water outlet, one end of the lower valve body be water inlet connect for outlet pipe, the other end for it is described
The titting water outlet of the admitting pipe joint Corresponding matching of valve body is provided with copper tube and is somebody's turn to do between the upper valve body and lower valve body
One end of copper tube and be connected on the titting water outlet of lower valve body, the other end is connected on the admitting pipe joint of upper valve body,
It is characterized in that, valve rod is equipped in the copper tube, one end of the valve rod is provided with plunger guide and the valve rod passes through
Plunger guide is threaded through in the lower valve body and is slidingly sealed cooperation with lower valve body, and the other end of the valve rod is placed in described
Upper valve body regulation pipe in and between upper valve body be equipped with make valve rod drive plunger guide piston motion is done in lower valve body
Regulating device is additionally provided with the detection structure for detecting pressure in upper valve body on the side wall of the upper valve body.
Regulating device is set between the valve rod and upper valve body in this fire valve, and valve rod is carried out axially by regulating device
It adjusts, one end of valve rod and lower valve body can be made to have according to the pressure of the intracorporal water of valve come the axial process of regulating valve stem
There is better sealing, there are also detection structure is arranged on the side wall of upper valve body, can preferably control the intracorporal pressure of upper valve.
In above-mentioned fire valve, the regulating device includes the adjusting bolt in regulation pipe, the valve rod
The other end be axially fixed with spigot nut, the threaded one end of the other end of the spigot nut and the adjusting bolt connects
It connects, the other end of the adjusting bolt is outer-hexagonal adjustable side, is had between adjusting bolt and the regulation pipe
Make adjusting bolt that the connection structure circumferentially limited to be installed in regulation pipe.It is connect by spigot nut with adjusting bolt thread to adjust
The axial distance of section between the two, easy to adjust, adjustment structure is stablized.
In above-mentioned fire valve, the connection structure includes adjusting to have undergauge step, the tune on inside pipe wall
Saving on the periphery wall of bolt has a circle bulge loop, and the adjustings bolt is axially threaded through that the regulation pipe is interior and the bulge loop
Inner end end face is resisted against on the undergauge step, and bonnet and the inner end end face of the bonnet are provided in the regulation pipe nozzle
With the neighbouring not joint in outer end end face of bulge loop, there is sealing structure between the bulge loop and the adjusting inside pipe wall.This
The purpose of sample setting is that rotation is facilitated to adjust bolt, makes to adjust bolt and spigot nut axial distance is easy to adjust, stable structure.
In above-mentioned fire valve, the sealing structure includes that adjusting was fluted to opening up inside pipe wall last week, described
There is a ring annular groove, the notch of the annular groove is corresponding with the notch of the groove, described on the outer wall of bulge loop
Being embedded on the inner ring surface of sealing ring and the sealing ring in groove, there is annular portion to be in the annular groove.It is arranged in this way
Purpose is the validity for guaranteeing regulation pipe and adjusting bolt seal.
In above-mentioned fire valve, the sealing ring includes rectangular body, and the rectangular body is embedded described
In groove, the rectangular body and the annular portion are structure as a whole.The purpose being arranged in this way is to improve regulation pipe and tune
Save the sealing effect of bolt.
In above-mentioned fire valve, one end of the valve rod is installed with sealing piston and the valve rod passes through the sealing
Piston and the plunger guide are connected, and have the mistake being connected to the water inlet, titting water outlet in the lower valve body
Water hole, the described plunger guide sliding be threaded through in the water hole and the sealing piston is resisted against the water hole
It is formed and is sealed with water hole at aperture.The purpose being arranged in this way is to keep plunger guide axial displacement in water hole accurate, will not
So that plunger guide is detached from axial running track, guarantees the stabilization of structure, use fire valve safely.
Have in above-mentioned fire valve, on the upper valve body inner wall at the aperture in water hole and extends out and in horn-like
Arc butting section, has flange part on the end face of the sealing piston, the flange part of the sealing piston against with it is described
The arc butting section of lower valve body be sealed against.The purpose being arranged in this way is the effective of the sealing between guarantee valve rod and lower valve body
Property.
In above-mentioned fire valve, the detection structure includes that pressure tap is additionally provided on the side wall of upper valve body, described
Pressure tap in be fixed with plug, there are the upper channel and lower channel for surveying pressure in the plug, in upper channel, lower lead to
The splayed configuration channel being connected between road and with upper channel and lower channel is fixed with limit screw cap and the limit in the lower channel
The middle position of nut has the through hole being connected to splayed configuration channel, is arranged in the splayed configuration channel and can lead to splayed configuration
The ball that road blocks or blocks the through hole.The purpose being arranged in this way is the hydraulic pressure pressure of better detection upper valve body
Power, it is easy to detect.
In above-mentioned fire valve, the diameter of the upper channel is less than the diameter of the lower channel.
Compared with prior art, the advantages of this fire valve are as follows: structure is simple, leakproofness is preferable, has for detecting upper valve
The detection structure of internal pressure, can preferably control the water pressure of upper valve body, long service life.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of this fire valve.
In figure, 1, upper valve body；2, lower valve body；3, admitting pipe joint；4, regulation pipe；5, water outlet；6, titting water outlet；7,
Copper tube；8, valve rod；9, plunger guide；10, bolt is adjusted；11, spigot nut；12, bulge loop；13, bonnet；14, sealing ring；
15, annular portion；16, sealing piston；17, flange part；18, plug；19, limit screw cap；20, ball.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, this fire valve is mainly by being in that the upper valve body 1 of hollow form, lower valve body 2 form respectively, the upper valve body 1
One end is admitting pipe joint 3, the other end is regulation pipe 4, and water outlet 5, lower valve body 2 are vertically installed on the side wall of upper valve body 1
One end be water inlet connect for outlet pipe, the other end is outlet pipe with 3 Corresponding matching of admitting pipe joint of upper valve body 1
Connector 6 is provided with copper tube 7 and one end of the copper tube 7 and is connected in the water outlet of lower valve body 2 between upper valve body 1 and lower valve body 2
On pipe fitting 6, the other end be connected on the admitting pipe joint 3 of upper valve body 1, valve rod 8, one end of valve rod 8 are equipped in copper tube 7
It is provided with plunger guide 9 and the valve rod 8 is threaded through in lower valve body 2 by plunger guide 9 and is slidingly sealed cooperation with lower valve body 2,
The other end of valve rod 8 is placed in the regulation pipe 4 of upper valve body 1 and being equipped between upper valve body 1 makes valve rod 8 that plunger guide 9 be driven to exist
The regulating device of piston motion is done in lower valve body 2.
In actually manufacture, the specific embodiment of the regulating device are as follows: the mainly adjusting bolt by being located in regulation pipe 4
10 compositions, the other end of valve rod 8 are axially fixed with spigot nut 11, the other end of spigot nut 11 and the one end for adjusting bolt 10
It is threadedly coupled, the other end for adjusting bolt 10 is outer-hexagonal adjustable side, and adjusting between bolt 10 and regulation pipe 4 to have makes to adjust spiral shell
Bolt 10 installs the connection structure circumferentially limited in regulation pipe 4.
The specific embodiment of the connection structure are as follows: there is undergauge step on 4 inner wall of regulation pipe, adjust the periphery of bolt 10
There is a circle bulge loop 12, adjusting bolt 10 is axially threaded through in regulation pipe 4 and the inner end end face of the bulge loop 12 is resisted against contracting on wall
On diameter step, it is provided with bonnet 13 in 4 nozzle of regulation pipe and the inner end end face of the bonnet 13 and the outer end end face of bulge loop 12 are neighbouring
Not joint has sealing structure between bulge loop 12 and 4 inner wall of regulation pipe.
The specific embodiment of the sealing structure are as follows: groove is circumferentially offered on 4 inner wall of regulation pipe, on the outer wall of bulge loop 12
With a ring annular groove, the notch of annular groove and the notch of groove are corresponding, and sealing ring 14 and the sealing ring are embedded in groove
On 14 inner ring surface there is annular portion 15 to be in annular groove；In actually manufacture, the sealing ring 14 is mainly by rectangular body group
At rectangular body is embedded in the groove, and rectangular body and annular portion 15 are structure as a whole.
One end of valve rod 8 is installed with sealing piston 16 and the valve rod 8 is connected by sealing piston 16 and plunger guide 9, under
There is the water hole being connected to water inlet, titting water outlet 6, what plunger guide 9 slided is threaded through in water hole and is somebody's turn to do in valve body 2
Sealing piston 16 is resisted against to be formed at the aperture of the water hole with water hole and seal；When practical manufacture, in water hole
Have on 1 inner wall of upper valve body at aperture and extend out and be in horn-like arc butting section, has on the end face of sealing piston 16 convex
The flange part 17 of edge 17, sealing piston 16 is sealed against against the arc butting section with lower valve body 2.
The detection structure for detecting pressure in upper valve body 1 is additionally provided on the side wall of upper valve body 1.It, should in actual design
The specific embodiment of detection structure are as follows: be additionally provided with pressure tap on the side wall including upper valve body 1, be fixed with plug in pressure tap
18, there are the upper channel and lower channel for surveying pressure, between upper channel and lower channel simultaneously and upper channel and lower channel in plug 18
The splayed configuration channel of connection, the middle position that limit screw cap 19 and the limit screw cap 19 are fixed in lower channel have and splayed configuration
The through hole of channel connection, setting can be by splayed configuration passage plugging or the rubber for blocking the through hole in splayed configuration channel
Ball 20；The diameter of upper channel is less than the diameter of the lower channel.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (9)
1. a kind of fire valve, upper valve body (1), lower valve body (2) including being respectively in hollow form, one end of the upper valve body (1) be into
Water pipe head (3), the other end are regulation pipe (4), water outlet (5) are vertically installed on the side wall of upper valve body (1), under described
One end of valve body (2) is the water inlet connected for outlet pipe, the other end is the admitting pipe joint with the upper valve body (1)
(3) titting water outlet (6) of Corresponding matching is provided with copper tube (7) and is somebody's turn to do between the upper valve body (1) and lower valve body (2)
One end of copper tube (7) be connected on the titting water outlet (6) of lower valve body (2), the other end is connected in the water inlet of upper valve body (1)
On pipe fitting (3), which is characterized in that be equipped with valve rod (8) in the copper tube (7), one end setting of the valve rod (8)
There is plunger guide (9) and the valve rod (8) is threaded through in the lower valve body (2) by plunger guide (9) and is slided with lower valve body (2)
Dynamic sealing cooperation, the other end of the valve rod (8) be placed in the regulation pipe (4) of the upper valve body (1) and with upper valve body (1)
Between be equipped with the regulating device for making valve rod (8) that plunger guide (9) to be driven to do piston motion in the lower valve body (2), the upper valve
The detection structure for detecting upper valve body (1) interior pressure is additionally provided on the side wall of body (1).
2. a kind of fire valve according to claim 1, which is characterized in that the regulating device includes being located at regulation pipe
(4) the adjusting bolt (10) in, the other end of the valve rod (8) are axially fixed with spigot nut (11), the guiding spiral shell
The other end of female (11) is connect with the threaded one end of the adjusting bolt (10), and the other end of the adjusting bolt (10) is
Outer-hexagonal adjustable side, having between the adjusting bolt (10) and the regulation pipe (4), which makes to adjust bolt (10), is being adjusted
The connection structure that installation circumferentially limits in pipe (4).
3. a kind of fire valve according to claim 2, which is characterized in that the connection structure includes in regulation pipe (4)
There is undergauge step on wall, there is circle bulge loop (12), the adjusting bolt on the periphery wall of the adjusting bolt (10)
(10) in the regulation pipe (4) and the inner end end face of the bulge loop (12) is axially threaded through to be resisted against on the undergauge step,
The inner end end face of bonnet (13) and the bonnet (13) and the outer end end face of bulge loop (12) are provided in described regulation pipe (4) nozzle
Neighbouring not joint, has sealing structure between the bulge loop (12) and the regulation pipe (4) inner wall.
4. a kind of fire valve according to claim 3, which is characterized in that the sealing structure includes in regulation pipe (4)
Circumferentially offer groove on wall, there is a ring annular groove on the outer wall of the bulge loop (12), the notch of the annular groove with
The notch of the groove is corresponding, is embedded on the inner ring surface of sealing ring (14) and the sealing ring (14) and has in the groove
There are annular portion (15) to be in the annular groove.
5. a kind of fire valve according to claim 4, which is characterized in that the sealing ring (14) includes rectangular body,
The rectangular body is embedded in the groove, and the rectangular body and the annular portion (15) are structure as a whole.
6. a kind of fire valve according to claim 1 or 5, which is characterized in that one end of the valve rod (8) is installed with close
It seals piston (16) and the valve rod (8) is connected by the sealing piston (16) and the plunger guide (9), the lower valve
There is the water hole being connected to the water inlet, titting water outlet (6), the plunger guide (9) sliding is worn in body (2)
It is located in the water hole and the sealing piston (16) is resisted against to be formed at the aperture of the water hole with water hole and seal.
7. a kind of fire valve according to claim 6, which is characterized in that the upper valve body (1) at the aperture in water hole
Have on inner wall and extend out and be in horn-like arc butting section, there is flange part on the end face of the sealing piston (16)
(17), the flange part (17) of the sealing piston (16) is sealed against against the arc butting section with the lower valve body (2).
8. a kind of fire valve according to claim 1 or 5, which is characterized in that the detection structure includes upper valve body (1)
Side wall on be additionally provided with pressure tap, be fixed in the pressure tap plug (18), have in the plug (18) and be used for
Survey the upper channel and lower channel of pressure, the splayed configuration channel being connected between upper channel and lower channel and with upper channel and lower channel, institute
The middle position that limit screw cap (19) and the limit screw cap (19) are fixed in the lower channel stated has to be connected to splayed configuration channel
Through hole, setting can be by splayed configuration passage plugging or the ball for blocking the through hole in the splayed configuration channel
(20).
9. a kind of fire valve according to claim 8, which is characterized in that the diameter of the upper channel be less than it is described under
The diameter in channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290188.8U CN208565617U (en) | 2018-08-10 | 2018-08-10 | A kind of fire valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821290188.8U CN208565617U (en) | 2018-08-10 | 2018-08-10 | A kind of fire valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565617U true CN208565617U (en) | 2019-03-01 |
Family
ID=65450492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821290188.8U Expired - Fee Related CN208565617U (en) | 2018-08-10 | 2018-08-10 | A kind of fire valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565617U (en) |
-
2018
- 2018-08-10 CN CN201821290188.8U patent/CN208565617U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210810 |