CN218861662U

CN218861662U - Fire hydrant

Info

Publication number: CN218861662U
Application number: CN202221662142.0U
Authority: CN
Inventors: 杨付乐
Original assignee: Zhejiang Wanbang Digital Technology Co ltd
Current assignee: Zhejiang Wanbang Digital Technology Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2023-04-14
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a fire hydrant, including main part, end cover, switching pipe and connecting rod, the end cover is connected on main part upper portion, and main part sub-unit connection switching pipe, the inside valve body that is equipped with of switching pipe, in end cover upper portion and lower extreme were inserted to the main part are run through to the connecting rod upper end, the connecting rod lower extreme was connected with the valve body lock, and connecting rod and end cover threaded connection rotate the connecting rod and can drive the valve body and reciprocate along the switching pipe to make the inside and switching intraduct intercommunication of main part or block. The utility model discloses a valve body and the split type design of connecting rod can effectively play the theftproof effect, prevent that people from stealing the inside water source of fire hydrant.

Description

Fire hydrant

Technical Field

The utility model belongs to the technical field of the fire-fighting equipment technique and specifically relates to a fire hydrant is related to.

Background

The fire hydrant is a fixed fire-fighting equipment, and mainly has the functions of controlling combustible material, isolating combustion-supporting material and eliminating fire source. The fire hydrant is divided into an indoor fire hydrant and an outdoor fire hydrant, 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 extinguish fire, and can also be directly connected with a water hose and a water gun to discharge water to extinguish fire; therefore, the fire extinguishing device is also one of important fire fighting facilities for extinguishing fire;

the outdoor fire hydrant comprises a fire hydrant main body exposed out of the ground, an arc-shaped adapter tube and a valve body, wherein the arc-shaped adapter tube and the valve body are buried underground and used for connecting a water pipe and the main body, when the outdoor fire hydrant is used, a water hose, a water gun and the main body are required to be connected and then a connecting rod at the top of the fire hydrant is screwed to open the valve body to take water, the existing fire hydrant valve body and the connecting rod at the top of the main body are directly connected, the fire hydrant valve body can be conveniently opened but cannot be prevented from being stolen, and some people can greet open the valve body to steal water sources inside the fire hydrant in a low-cost manner, so that the water pressure in other fire hydrants connected with the same water supply pipeline of the fire hydrant to be taken can be influenced, and the fire extinguishing effect when a fire occurs is influenced;

and the existing fire hydrant valve body is mostly arranged in the main body, so the fire hydrant needs to be planned in advance and installed in municipal construction, but after the fire hydrant is installed, the municipal construction is not necessarily carried out directly, and the time interval between the two times can be long, so the fire hydrant arranged in the areas can not be used for a long time, so the maintenance cost and the daily inspection range are increased, the resource waste is caused, when the fire hydrant is not used, water always exists in the fire hydrant main body, and in cold winter, the main body is exposed on the ground, so the water in the main body can be frozen, the fire hydrant is disabled, the fire rescue is influenced, and the improvement is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a fire hydrant, through the split type design of valve body and connecting rod, can effectively play the theftproof effect, prevent that people from stealing the inside water source of fire hydrant.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a fire hydrant, includes main part, end cover, switching pipe and connecting rod, the end cover is connected on main part upper portion, main part sub-unit connection switching pipe, the inside valve body that is equipped with of switching pipe, the connecting rod upper end runs through in end cover upper portion and the lower extreme inserts the main part, the connecting rod lower extreme is connected with the valve body lock, connecting rod and end cover threaded connection rotate the connecting rod can drive the valve body and reciprocate along the switching pipe, so that the inside and switching intraduct intercommunication of main part or block.

The upper portion of the adapter tube is connected with a connecting ring, the upper portion of the connecting ring is connected with the lower portion of the main body, and the upper portion of the valve body can abut against or be separated from the lower portion of the connecting ring.

The connecting rod sub-unit connection has a joint Assembly, joint Assembly includes the plug, the plug side is equipped with a plurality of locating parts, the valve body includes hollow spacing post, spacing post inner wall is equipped with the third spacing groove that corresponds with the locating part, the plug inserts in the spacing post and the locating part inserts corresponding third spacing groove spacing.

One side of the limiting part, which is located inside the plug, is provided with a convex rib, and the convex rib can be abutted to or far away from the inner wall of the plug.

The locating part is located one side of plug inside and is equipped with first spacing groove, plug upper portion lid has closed the adapter, the adapter lower part is equipped with the projection, the projection side is equipped with the second spacing groove that corresponds with first spacing groove, the second spacing inslot is equipped with the spring, the spring other end inserts first spacing inslot.

Each limiting part comprises two first limiting grooves which are arranged up and down.

The upper and lower both sides that the locating part surpassed the plug surface are circular arc portion, the left and right sides that the locating part surpassed the plug surface is plane portion, the left and right sides of locating part and third spacing groove is plane fit.

The valve body comprises a third thread portion, a first thread portion is arranged on the inner wall of the adapter tube and meshed with the third thread portion, a plurality of gaps are formed in the side face of the third thread portion, and water flow channels can be formed in the adapter tube, the gaps and the main body.

An annular groove is formed in the upper portion of the third threaded portion, a sealing gasket is arranged in the annular groove, and the upper portion of the sealing gasket can be abutted to or separated from the lower portion of the connecting ring.

The connecting rod comprises a second threaded portion, and the second threaded portion is in threaded connection with the end cover.

The beneficial effects of the utility model are that:

1. the connecting rod and the valve body are designed in a separated mode, the connecting rod can be taken back after the fire hydrant is installed, and non-operating personnel cannot open the valve body to take water, so that water sources in the fire hydrant can be effectively prevented from being stolen by people;

2. through setting up the valve body in the switching pipe and the switching pipe buries underground at the bottom of the ground, when winter, buries underground at the bottom of the ground the switching pipe is difficult for freezing, works as the utility model discloses when not using, inside the unable main part that gets into of water supply pipe, unable entering promptly exposes in subaerial main part, through above-mentioned design, can effectually prevent the utility model discloses freezing at inside water source, the conflagration rescue of being convenient for.

3. The utility model discloses in, connecting rod and valve body adopt detachable design and valve body to be located the switching pipe, through this kind of design, just can be earlier pre-buried the switching pipe of installing the valve body when carrying out water supply pipe construction, when needs carry out municipal construction, can install the main part on the basis of switching pipe according to the construction requirement, not only improved the flexibility of fire hydrant installation greatly through this kind of mode, can also reduce the maintenance cost of fire hydrant, reduce the daily scope of patrolling and examining.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a schematic view of the construction of the joint assembly;

fig. 4 is a schematic structural view of the valve body.

In the figure: the connecting structure comprises a main body 1, an end cover 2, an adapter tube 3, a first thread part 31, a connecting ring 4, a connecting rod 5, a second thread part 51, a joint component 6, a plug 61, a limiting part 62, a convex rib 621, a first limiting groove 622, an arc part 623, a plane part 624, an adapter 63, a convex column 631, a second limiting groove 632, a spring 64, a valve body 7, a third thread part 71, a notch 72, a limiting column 73, a third limiting groove 74, an annular groove 75 and a sealing gasket 8.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present specification, the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, only for convenience of description of the present invention and simplification of description, and do not indicate or imply that the device or unit referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 4, a fire hydrant comprises a main body 1, an end cover 2, a switching pipe 3 and a connecting rod 5, wherein the upper part of the main body 1 is connected with the end cover 2, the main body 1 is welded and fixed with the end cover 2, the main body 1 is exposed on the ground, the lower part of the main body 1 is connected with the switching pipe 3, the switching pipe 3 can be connected with a water supply pipeline, the switching pipe 3 is buried underground at the bottom of the ground, a valve body 7 is arranged inside the switching pipe 3, the upper end of the connecting rod 5 penetrates through the upper part of the end cover 2 and the lower end of the connecting rod is inserted into the main body 1, the lower end of the connecting rod 5 is buckled and connected with the valve body 7, the connecting rod 5 is in threaded connection with the end cover 2, the connecting rod 5 comprises a second threaded part 51, the second threaded part 51 is in threaded connection with the end cover 2, and the connecting rod 5 can drive the valve body 7 to move up and down along the switching pipe 3 so as to enable the inside of the main body 1 to be communicated with or blocked with the inside of the switching pipe 3.

Through setting up valve body 7 in the switching pipe 3 and switching pipe 3 buries underground at the bottom of the ground, when winter, buries underground at the bottom of the ground the switching pipe 3 difficult freezing, works as the utility model discloses when not using, the water of water supply pipe can't get into inside 1 main part, can't get into promptly and expose in subaerial main part 1, through above-mentioned design, can effectually prevent the utility model discloses freezing of inside water source, the conflagration rescue of being convenient for.

The 3 upper portions of switching pipe are connected with go-between 4, and switching pipe 3 welds with go-between 4, go-between 4 upper portions and 1 sub-unit connection of main part, and main part 1 passes through bolt fixed connection with go-between 4, and switching pipe 3 is sealed through go-between 4 with main part 1, and the water in the switching pipe 3 can get into inside the main part 1.

The lower portion of the connecting rod 5 is connected with a joint assembly 6, the connecting rod is welded and fixed with the joint assembly 6, the joint assembly 6 comprises a plug 61, the side surface of the plug 61 is provided with a plurality of limiting pieces 62, the valve body 7 comprises a hollow limiting post 73, the inner wall of the limiting post 73 is provided with a third limiting groove 74 corresponding to the limiting pieces 62, the plug 61 is inserted into the limiting post 73, and the limiting pieces 62 are inserted into the corresponding third limiting grooves 74 for limiting, specifically, one side of the limiting pieces 62 positioned inside the plug 61 is provided with a convex rib 621, the convex rib 621 can be abutted against or far away from the inner wall of the plug 61, one side of the limiting pieces 62 positioned inside the plug 61 is provided with a first limiting groove 622, the upper portion of the plug 61 is covered with an adapter 63, the adapter 63 is welded and fixed with the plug 61, the lower portion of the adapter 63 is provided with a convex column 631, the side surface of the convex column 631 is provided with a second limiting groove 632 corresponding to the first limiting groove 622, a spring 64 is arranged in the second limiting groove 632, and the other end of the spring 64 is inserted into the first limiting groove 622;

wherein, the second screw thread portion 51 is an external screw thread, the number of the limiting members 62 is three and is uniformly distributed along the central axis of the plug 61, as shown in fig. 1 and fig. 2, when water taking operation is required, the lower end of the connecting rod 5 is inserted into the main body 1 until the second screw thread portion 51 is in threaded fit with the inner part of the end cover 2, at this time, the connecting rod 5 is rotated, the connecting rod 5 can rotate and move downwards, when the lower end of the plug 61 in the joint assembly 6 is inserted into the limiting post 73, and the lower part of the limiting member 62 exposed out of the plug 61 abuts against the upper part of the limiting post 73, the limiting member 62 is driven to move towards the inner part of the plug 61 through the action of the spring 64, the connecting rod 5 is continuously rotated, when the limiting member 62 moves to the third limiting groove 74, the spring 64 rebounds, the limiting member 62 is inserted into the third limiting groove 74 for limiting, at this time, the connecting rod 5 is rotated again, the connecting rod 5 can drive the valve body 7 to rotate and drop, thereby opening the valve body 7 and taking water.

Through the design, can be installed the utility model discloses later be about to connecting rod 5 and take off and take back, non-operation personnel will can't open valve body 7 this moment and carry out the water intaking operation to can effectually prevent that people from stealing the inside water source of fire hydrant.

As shown in fig. 2, each of the position-limiting members 62 includes two first position-limiting grooves 622 arranged up and down, that is, the number of the second position-limiting grooves 632 on the side surface of the protruding post 631 corresponding to each position-limiting member 62 is also two, and each second position-limiting groove 632 is provided with one spring 64, and one position-limiting member 62 cooperates with two springs 64, so that the position-limiting member 62 can move more smoothly and rebound more rapidly.

The size of locating part 62 in the direction of height is greater than the ascending size of width, the upper and lower both sides that locating part 62 surpassed the plug 61 surface are circular arc portion 623, the left and right sides that locating part 62 surpassed the plug 61 surface is plane portion 624, the left and right sides of locating part 62 and third spacing groove 74 are plane fit, through setting up circular arc portion 623, be convenient for joint Assembly 6 inserts in spacing post 73 or breaks away from spacing post 73, because the ascending size of locating part 62 in the direction of height is greater than the ascending size in the direction of width, can increase the area of contact of the left and right sides of locating part 62 and third spacing groove 74 to effectually prevent connecting rod 5 and valve body 7 from producing relative slip, improved connecting rod 5 and valve body 7 pivoted synchronism greatly.

The utility model discloses in, connecting rod 5 adopts detachable design and valve body 7 to be located switching pipe 3 with valve body 7, through this kind of design, just earlier pre-buried switching pipe 3 of installing valve body 7 can be when carrying out the water supply pipe construction, when needs carry out municipal construction, can install main part 1 on switching pipe 3's basis according to the construction requirement, not only improved the flexibility of fire hydrant installation greatly through this kind of mode, can also reduce the maintenance cost of fire hydrant, reduce the daily scope of patrolling and examining.

The upper part of the valve body 7 can be abutted against or separated from the lower part of the connecting ring 4, specifically, the valve body 7 comprises a third thread part 71, the inner wall of the adapter tube 3 is provided with a first thread part 31, the first thread part 31 is meshed with the third thread part 71, the side surface of the third thread part 71 is provided with a plurality of notches 72, water flow channels can be formed inside the adapter tube 3, the notches 72 and the main body 1, and when water taking operation is required, the valve body 7 is opened to enable water inside the adapter tube 3 to enter the main body 1; the connecting rod 5 is rotated, the connecting rod 5 drives the valve body 7 to rotate, the valve body 7 is driven to descend through the matching of the first thread part 31 and the third thread part 71, the valve body 7 is separated from the connecting ring 4, at the moment, the inside of the adapter tube 3, the notch 72 and the inside of the main body 1 are communicated, and a water source in the adapter tube 3 can enter the main body 1 and be used for water taking operation; the adapter tube 3 is in threaded fit with the valve body 7, so that the valve body 7 can move more stably and is more reliable in fixation, and the sealing performance of the valve body 7 is improved.

An annular groove 75 is formed in the upper portion of the third threaded portion 71, a sealing gasket 8 is arranged in the annular groove 75, the upper portion of the sealing gasket 8 can be abutted to or separated from the lower portion of the connecting ring 4, and sealing of the valve body 7 and the connecting ring 4 is facilitated through the arrangement of the sealing gasket 8.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A fire hydrant, characterized in that: including main part (1), end cover (2), switching pipe (3) and connecting rod (5), end cover (2) is connected on main part (1) upper portion, main part (1) sub-unit connection switching pipe (3), switching pipe (3) inside is equipped with valve body (7), connecting rod (5) upper end is run through in end cover (2) upper portion and lower extreme insert main part (1), connecting rod (5) lower extreme is connected with valve body (7) lock, connecting rod (5) and end cover (2) threaded connection rotate connecting rod (5) can drive valve body (7) and reciprocate along switching pipe (3), so that main part (1) inside and switching pipe (3) inside intercommunication or block.

2. A fire hydrant according to claim 1 in which: the upper portion of the adapter tube (3) is connected with a connecting ring (4), the upper portion of the connecting ring (4) is connected with the lower portion of the main body (1), and the upper portion of the valve body (7) can abut against or be separated from the lower portion of the connecting ring (4).

3. A fire hydrant according to claim 1 in which: connecting rod (5) sub-unit connection has joint Assembly (6), joint Assembly (6) are including plug (61), plug (61) side is equipped with a plurality of locating parts (62), valve body (7) are including hollow spacing post (73), spacing post (73) inner wall is equipped with third spacing groove (74) that correspond with locating part (62), plug (61) insert in spacing post (73) and locating part (62) insert corresponding third spacing groove (74) spacing.

4. A fire hydrant according to claim 3 in which: one side that locating part (62) are located plug (61) inside is equipped with protruding muscle (621), protruding muscle (621) can the butt or keep away from plug (61) inner wall.

5. A fire hydrant according to claim 4 in which: the locating part (62) are located inside one side of plug (61) and are equipped with first spacing groove (622), plug (61) upper portion lid has closed adapter (63), adapter (63) lower part is equipped with projection (631), projection (631) side is equipped with second spacing groove (632) that correspond with first spacing groove (622), be equipped with spring (64) in second spacing groove (632), the spring (64) other end inserts in first spacing groove (622).

6. A fire hydrant according to claim 5 in which: each limiting piece (62) comprises two first limiting grooves (622) which are arranged up and down.

7. A fire hydrant according to claim 3 in which: the upper and lower both sides that locating part (62) surpass plug (61) surface are circular arc portion (623), the left and right sides that locating part (62) surpassed plug (61) surface is plane portion (624), the left and right sides of locating part (62) and third spacing groove (74) is plane cooperation.

8. A fire hydrant according to claim 1 in which: the valve body (7) comprises a third thread part (71), a first thread part (31) is arranged on the inner wall of the adapter tube (3), the first thread part (31) is meshed with the third thread part (71), a plurality of notches (72) are arranged on the side face of the third thread part (71), and a water flow channel can be formed inside the adapter tube (3), the notches (72) and the main body (1).

9. A fire hydrant according to claim 8 in which: an annular groove (75) is formed in the upper portion of the third threaded portion (71), a sealing gasket (8) is arranged in the annular groove (75), and the upper portion of the sealing gasket (8) can be abutted to or separated from the lower portion of the connecting ring (4).

10. A fire hydrant according to claim 1 in which: the connecting rod (5) comprises a second threaded portion (51), and the second threaded portion (51) is in threaded connection with the end cover (2).