CN213698659U - Fire monitor head - Google Patents
Fire monitor head Download PDFInfo
- Publication number
- CN213698659U CN213698659U CN202022080641.6U CN202022080641U CN213698659U CN 213698659 U CN213698659 U CN 213698659U CN 202022080641 U CN202022080641 U CN 202022080641U CN 213698659 U CN213698659 U CN 213698659U
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- China
- Prior art keywords
- section
- gun head
- water outlet
- big gun
- head body
- 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.)
- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 238000007789 sealing Methods 0.000 claims description 14
- 230000004323 axial length Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 abstract description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a fire monitor big gun head, including big gun head body, barrel, play water dog and screw rod, screw rod fixed connection be in the big gun head is internal, it is in to go out water dog fixed connection on the screw rod, the internal edge of big gun head the play water direction of big gun head body is equipped with the rectification section that the water supply flow passes through in proper order, section at the uniform velocity, the section at the uniform velocity and the section of effluenting, the area of the cross section of section at the acceleration by being close to the position of rectification section reduces to being close to the position of the section at the uniform velocity gradually, the section of effluenting is the loudspeaker form, it is located to go out the water dog in the section of effluenting, it includes the edge to go out the water direction of big gun head body concave surface section, slope section, convex surface section and direct current section that connects gradually, the area of the cross section of direct. An accelerating section is arranged in the gun head body, and the flow velocity of water flow flowing through the accelerating section is improved by gradually reducing the area of the cross section of the accelerating section.
Description
Technical Field
The utility model relates to a fire control field, concretely relates to fire monitor head.
Background
As the requirement of the latest fire-fighting standard GB 19156-.
As shown in fig. 1, the conventional fire monitor includes: the big gun head body 10, the barrel 20, screw rod 40 and play water dog 30, barrel 20 cover is established outside the cover head body 10 and is rotated and connect on the big gun head body 10, it fixes in the big gun head body 10 to go out water dog 30 through screw rod 40, the internal rectification section that supplies rivers to pass through and the section a4 of effluenting that is equipped with of big gun head, it is located the section a4 of effluenting to go out water dog 30, it includes integrated into one piece's interior concave section and direct current section to go out water dog 30, the right angle section is close to the delivery port of the section of effluenting, the cross-sectional area change of the delivery port of the section of effluenting to have resulted in the change of the water dog cross-sectional area, rivers by interior concave section flow direction right.
Accordingly, the present inventors have made extensive studies to solve the above problems and have made the present invention.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fire gun big gun head that can increase the range of big gun head.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fire monitor head comprises a head body, a barrel, a water outlet stop block and a screw rod, wherein the barrel is sleeved outside the head body and is rotatably connected with a water outlet end of the head body, the screw rod is fixedly connected inside the head body, the water outlet stop block is fixedly connected on the screw rod, a rectifying section, an accelerating section, a uniform velocity section and a discharge section which are used for water flow to pass through are sequentially arranged inside the head body along the water outlet direction of the head body, the area of the cross section of the accelerating section is gradually reduced from the position close to the rectifying section to the position close to the uniform velocity section, the discharge section is horn-shaped, the water outlet stop block is positioned on the discharge section, the water outlet stop block comprises a concave surface section, an inclined section, a convex surface section and a straight flow section which are sequentially connected along the water outlet direction of the head body, the area of the cross section of the straight flow section is larger than the area of the cross section of the uniform velocity section, the direct current section protrudes out of the water outlet end of the gun barrel body, the direct current section is cylindrical, and the direct current section and the gun barrel are coaxially arranged.
Preferably, the gun head is internal be equipped with the spliced pole that the gun head body coaxial arrangement was arranged, be equipped with two at least connecting rib on the outer wall of spliced pole, connecting rib's one end with the outer wall fixed connection of spliced pole, connecting rib's the other end with the inner wall fixed connection of gun head body, the spliced pole correspond to the position of rectification section is equipped with internal thread section, the one end of screw rod be equipped with the external screw thread section that internal thread section matches, the screw rod passes through the screw-thread fit to be fixed on the spliced pole.
Preferably, a locknut is arranged at one end of the screw rod, which is far away from the internal thread section.
Preferably, the water outlet stop block abuts against the connecting column, the screw penetrates through the water outlet stop block, the locknut is located in the water outlet stop block, the diameter of one end, abutting against the connecting column, of the water outlet stop block is the same as that of the connecting column, and the lower end face of the water outlet stop block is flush with the lower end face of the outflow section.
Preferably, one end of the connecting column, which is positioned on the rectifying section, is provided with a guide cone.
Preferably, the outer wall of the gun head body is provided with at least one sealing groove corresponding to the position close to the water outlet end, and a sealing ring is arranged in each sealing groove.
Preferably, the axial length of the straight flow section is 2-15 mm.
Through adopting aforementioned design, the beneficial effects of the utility model are that: an accelerating section is arranged in the gun head body, and the flow velocity of water flow flowing through the accelerating section is improved by gradually reducing the area of the cross section of the accelerating section; the direct current section protrudes out of the water outlet end of the gun head body, and the direct current section and the gun head body are coaxially arranged, so that water flow is linearly jetted forwards; the convex surface section plays a role in flow guiding, and the area of the cross section of the direct current section is larger than that of the cross section of the constant speed section, so that the water flow is accelerated before being sprayed out, and the range of a gun head is increased;
furthermore, the screw rod is locked on the gun head body through thread matching, and when the water outlet stop block needs to be removed in normal test or on-site use when the gun head body is blocked by sundries, the screw rod is only required to be removed without removing the whole gun head body, so that the sundries can be conveniently cleaned;
furthermore, the one end that the spliced pole is located the rectification section is equipped with the water conservancy diversion awl, utilizes the water conservancy diversion awl to carry out the water conservancy diversion for the rivers that flow into the big gun head body can not change suddenly, and rivers are smooth-going.
Drawings
FIG. 1 is a cross-sectional view of a prior art fire monitor;
FIG. 2 is a cross-sectional view of the fire monitor head of the present invention;
fig. 3 is a cross-sectional view of the body of the gun head of the present invention;
FIG. 4 is a cross-sectional view of the water stop of the present invention; (the dotted lines in the figure are only used to demarcate the water stop)
In the figure:
10. a gun head body 11, a connecting column 111, a connecting rib 112, a flow guide cone 12 and a sealing ring,
20. the gun barrel is provided with a gun barrel,
30. a water outlet stop block 31, a concave section 32, an inclined section 33, a convex section 34 and a direct current section,
40. a screw rod, 41, an anti-rotation nut, 50, a bent pipe,
x, an electric push rod, a1, a rectifying section, a2, an accelerating section, a3, a constant speed section, a4 and an outflow section.
Detailed Description
The technical solutions in the embodiments of the present invention are 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 some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 2-4, a fire monitor head comprises a head body 10, a barrel 20, a water outlet stop 30, a screw 40 and an elbow 50, wherein the barrel 20 is sleeved outside the head body 10 and rotatably connected to the water outlet end of the head body 10, and the elbow 50 is fixedly connected to the water inlet end of the head body 10. The elbow 50 of the embodiment is fixedly connected with the gun head body 10 in a threaded manner; the gun barrel 20 is fixedly connected with the electric push rod X, and the gun barrel 20 is pushed by the electric push rod X to rotate in the axial direction of the gun head body 10.
A rectifying section a1, an accelerating section a2, a uniform velocity section a3 and an outflow section a4 are sequentially arranged in the cannon head body 10 along the water outlet direction of the cannon head body 10, the outflow section a4 is horn-shaped, and the area of the cross section of the accelerating section a2 is gradually reduced from the position close to the rectifying section a1 to the position close to the uniform velocity section a 3; the acceleration section a2 is provided in the gun head body 10, and the flow velocity of the water flow passing through the acceleration section a2 is increased by gradually reducing the area of the cross section of the acceleration section a 2.
The screw 40 is fixedly connected in the gun head body 10, the water outlet stop block 30 is fixedly connected on the screw 40, a connecting column 11 which is coaxial with the gun head body 10 is arranged in the gun head body 10 of the embodiment, at least two connecting ribs 111 are arranged on the outer wall of the connecting column 11, one end of each connecting rib 111 is fixedly connected with the outer wall of the connecting column 11, the other end of each connecting rib 111 is fixedly connected with the inner wall of the gun head body 10, an inner thread section is arranged at the position, corresponding to the rectifying section a1, of the connecting column 11, an outer thread section matched with the inner thread section is arranged at one end of the screw 40, and the screw 40 is fixed on the connecting column 11 in a thread; the outer wall of the connecting column 11 of this embodiment is provided with four connecting ribs 111, the connecting column 11 is fixed in the gun head body 10 through the connecting ribs 111, and the screw rod 40 is locked on the gun head body 10 through thread fit, so that when the water outlet stop block 30 needs to be removed if the gun head body 10 is blocked by sundries during ordinary tests or construction site use, the screw rod 40 is removed, the whole gun head body 10 does not need to be removed, and the sundries can be conveniently cleaned.
The water outlet stop 30 is positioned on the water outlet section a4, the water outlet stop 30 comprises a concave section 11, an inclined section 32, a convex section 33 and a straight section 34 which are sequentially connected along the water outlet direction of the gun head body 10, the axial length of the straight section 14 is 2-15mm, and the axial length of the straight section 14 in the embodiment is 2 mm; the area of the cross section of the direct current section 34 is larger than that of the cross section of the uniform speed section a3, the direct current section 34 protrudes out of the water outlet end of the gun barrel body 10, the direct current section 14 is cylindrical, and the direct current section 14 and the gun barrel are coaxially arranged; arranging the direct current section 14 and the gun head body 10 coaxially to make the water flow jet forward linearly; the convex surface section 33 plays a role in guiding flow, and the area of the cross section of the straight-flow section 14 is larger than that of the cross section of the constant-speed a3, so that the water flow is accelerated before being sprayed out, and the shooting range of a gun head is increased.
As a preferable mode of the present embodiment, a locknut 41 is disposed on an end of the screw 40 away from the internal thread section, and a rotation direction of the locknut 41 is opposite to a rotation direction of the internal thread section; the use is prevented from being affected by the loosening of the screw from the connecting column 11 by the arrangement of the locknut 41.
As a preferable mode of the present embodiment, the water outlet block 30 abuts against the connecting column 11, the screw 40 penetrates through the water outlet block 30, the locknut 41 is located in the water outlet block, the diameter of the end of the water outlet block 30 abutting against the connecting column 11 is the same as the diameter of the connecting column 11, and the lower end surface of the water outlet block 30 is flush with the lower end surface of the outflow section a 4; the locknut 41 is arranged in the water outlet stop 30, and the water outlet stop 30 is propped against the connecting column 11, so that the flow rate of the water flow flowing from the uniform speed section a3 to the outflow section a4 is stabilized.
As a preferable mode of the present embodiment, a guide cone 112 is disposed on one end of the connecting column 11 located at the rectifying section a1, and the guide cone 112 seals the bottom of the connecting column 11; the diversion cone 112 is used for diversion, so that the water flow flowing into the gun head body 10 from the elbow 50 does not change suddenly and is smooth.
As a preferable mode of the present embodiment, at least one sealing groove is provided on the outer wall of the gun head body 10 corresponding to a position near the water outlet end, and a sealing ring 12 is provided in each sealing groove; the outer wall of the gun head body 10 of the embodiment is provided with two sealing grooves; the sealing performance between the gun barrel body 10 and the gun barrel 20 is enhanced by the matching of the sealing ring and the sealing groove.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fire monitor big gun head, includes big gun head body, barrel, play water dog and screw rod, the barrel cover is established the big gun head is external and rotate to be connected the play water end of big gun head body, screw rod fixed connection be in the big gun head is internal, go out water dog fixed connection be in on the screw rod, its characterized in that: the gun head is internally provided with a rectifying section, an accelerating section, a uniform-speed section and an outflow section which are used for water flow to pass through, wherein the area of the cross section of the accelerating section is gradually reduced from the position close to the rectifying section to the position close to the uniform-speed section, the outflow section is in a horn shape, the outflow stop block is positioned on the outflow section, the outflow stop block comprises a concave section, an inclined section, a convex section and a direct-current section which are sequentially connected along the water outlet direction of the gun head, the area of the cross section of the direct-current section is larger than the area of the cross section of the uniform-speed section, the direct-current section protrudes out of the water outlet end of the gun head, the direct-current section is cylindrical, and the direct-current section and the gun barrel are coaxially arranged.
2. A fire monitor head as defined in claim 1, wherein: the internal spliced pole that is equipped with of big gun head with big gun head coaxial arrangement, be equipped with two at least connecting rib on the outer wall of spliced pole, connecting rib's one end with the outer wall fixed connection of spliced pole, connecting rib's the other end with big gun head's inner wall fixed connection, the spliced pole correspond to the position of rectification section is equipped with internal thread section, the one end of screw rod be equipped with the external screw thread section that internal thread section matches, the screw rod passes through the screw-thread fit to be fixed on the spliced pole.
3. A fire monitor head as defined in claim 2, wherein: and one end of the screw rod, which is far away from the internal thread section, is provided with a locknut.
4. A fire monitor head as defined in claim 3, wherein: the water outlet check block abuts against the connecting column, the screw penetrates through the water outlet check block, the check nut is located in the water outlet check block, the diameter of one end, abutting against the connecting column, of the water outlet check block is the same as that of the connecting column, and the lower end face of the water outlet check block is flush with the lower end face of the outflow section.
5. A fire monitor head as defined in claim 2, wherein: the connecting column is positioned at one end of the rectifying section and is provided with a guide cone.
6. A fire monitor head as defined in claim 1, wherein: the outer wall of the gun head body is provided with at least one sealing groove corresponding to the position close to the water outlet end, and a sealing ring is arranged in each sealing groove.
7. A fire monitor head as defined in claim 1, wherein: the axial length of the direct current section is 2-15 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080641.6U CN213698659U (en) | 2020-09-21 | 2020-09-21 | Fire monitor head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022080641.6U CN213698659U (en) | 2020-09-21 | 2020-09-21 | Fire monitor head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213698659U true CN213698659U (en) | 2021-07-16 |
Family
ID=76794361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022080641.6U Expired - Fee Related CN213698659U (en) | 2020-09-21 | 2020-09-21 | Fire monitor head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213698659U (en) |
-
2020
- 2020-09-21 CN CN202022080641.6U patent/CN213698659U/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: 20210716 |