Connecting structure of fire hydrant

Abstract

The utility model relates to the technical field of connection of fire hydrants, and discloses a connecting structure of a fire hydrant, which comprises a main body and a connecting piece, the upper end of the outer wall of the main body is provided with a plurality of water outlets, the inner walls of the water outlets are rotatably connected with T-shaped blocks, and the upper ends of the T-shaped blocks are fixedly connected with first springs; the other end of the first spring is fixedly connected with the outer wall of the water outlet, a notch is formed in the middle of the T-shaped block, a locking block is clamped to the outer wall of the notch, the middle of the locking block is rotationally connected with the inner wall of the body, the lower end of the locking block is fixedly connected with a second spring, and the other end of the second spring is fixedly connected with the inner wall of the water outlet. According to the water pipe connector, the upper end of the locking block is clamped into the locking hole through rotation of the locking block, the corner of the upper end of the outer side of the locking block is clamped through the notch, the purposes that the connecting piece is fixed, the unlocking block is pulled upwards to unlock, the water pipe is rapidly connected, and the connecting time is greatly shortened.

Description

TECHNICAL FIELD

[0001] The utility model relates to the connecting technical field of fire hydrant, especially a connecting structure of fire hydrant. BACKGROUND

[0002] Fire hydrant is a kind of fixed fire-fighting facilities, and its main function is to control combustible material, isolate combustion-supporting material and eliminate ignition source, which is an important equipment for fighting fire. Fire hydrant provides sufficient water source for fire fighting, and can quickly and effectively deliver water to the fire scene. The strong water flow provided by fire hydrant can suppress the fire and prevent the fire from spreading to the surrounding area. Fire hydrant is an important water supplement point for fire truck. The water carrying capacity of fire truck is limited, and water needs to be obtained from fire hydrant during long-time fire fighting operation. Fire hydrant needs to be connected with external water pipe to output high-pressure water when fire breaks out.

[0003] Nowadays, the connection between fire hydrant and external water pipe is achieved by flange plate. The flange plate is a circular metal plate with evenly distributed bolt holes. When connecting, two flange plates are placed opposite to each other with a sealing gasket in between to fill the small unevenness on the surface of the flange plate and prevent water leakage. Then, the bolts are tightened to tightly connect the two flange plates, thereby firmly connecting the fire hydrant and the external water pipe together. However, this connection is complex and time-consuming, which may delay the fire fighting opportunity, make the fire develop rapidly from the controllable stage to the uncontrollable stage, and greatly increase the difficulty of fire fighting and the risk of personnel and property loss. UTILITY MODEL CONTENT

[0004] In order to make up for the above shortcomings, the utility model provides a connecting structure of fire hydrant, aiming at improving the problem that the connection in the prior art is complex, time-consuming, which may delay the fire fighting opportunity, make the fire develop rapidly from the controllable stage to the uncontrollable stage, and greatly increase the difficulty of fire fighting and the risk of personnel and property loss.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a connecting structure of fire hydrant, comprising a main body and a connecting piece, a plurality of water outlets are formed in the outer wall of the main body, a T-shaped block is rotatably connected to the inner wall of the water outlet, a spring one is fixedly connected to the upper end of the T-shaped block, the other end of the spring one is fixedly connected to the outer wall of the water outlet, a notch is formed in the middle of the T-shaped block, a locking block is clamped to the outer wall of the notch, the middle of the locking block is rotatably connected to the inner wall of the main body, a spring two is fixedly connected to the lower end of the locking block, the other end of the spring two is fixedly connected to the inner wall of the water outlet, a spring three is fixedly connected to the left end of the inner wall of the water outlet, the other end of the spring three is fixedly connected to a release block, a plurality of locking holes are formed in the middle of the outer wall of the connecting piece, a plurality of trigger grooves are formed in the left end of the outer wall of the connecting piece, and a water cover mechanism is arranged on the outer wall of the main body, which is used to seal the water outlet.

[0006] As a further description of the above technical solutions:

[0007] The water cover mechanism comprises a fixed ring I, one end of the fixed ring I is fixedly connected with the middle part of the outer wall of the main body, an iron chain is arranged in the middle part of the fixed ring I, the other end of the iron chain is provided with a fixed ring II, one end of the fixed ring II is fixedly connected with a small water cover, the outer wall of the small water cover is fixedly connected with a lock catch male, and the outer wall of the water outlet is fixedly connected with a lock catch female.

[0008] As a further description of the above technical solutions:

[0009] The outer wall of the release block is fixedly connected with a plurality of connecting rods, the other end of the connecting rod penetrates through the outer wall of the water outlet and is fixedly connected with a pushing block, and the inner wall of the pushing block is in sliding connection with the outer wall of the water outlet.

[0010] As a further description of the above technical solutions:

[0011] The inner wall of the water outlet is provided with a plurality of positioning grooves, and the outer wall of the connecting piece is provided with a plurality of positioning blocks.

[0012] As a further description of the above technical solutions:

[0013] The top of the main body is provided with a plug cap, and the top of the plug cap is provided with a protective cover.

[0014] As a further description of the above technical solutions:

[0015] The top surface of the plug cap is rotatably connected with a starting valve, and the left end of the connecting piece is fixedly connected with a connecting port.

[0016] As a further description of the above technical solutions:

[0017] The outer wall of the connecting port is fixedly connected with a resistance ring, and the outer wall of the resistance ring is fixedly connected with a water pipe.

[0018] As a further description of the above technical solutions:

[0019] The two water outlets are symmetrically arranged, and the right end of the connecting piece is fixedly connected with a rubber pad.

[0020] The utility model has the advantages of the following beneficial effects:

[0021] 1、 the utility model discloses when the one end of connecting piece is inserted into water outlet, positioning groove and positioning block cooperate, make locking hole align with the lower end of locking block, when the lower end of locking block is extruded by the inner wall of trigger groove, locking block rotates and makes the upper end of locking block be clamped into locking hole, when the inside of release block extrudes the lower end of T-shaped block, the outside upper end corner of locking block is separated from the notch, spring no. 2 extrudes the lower end of locking block, and the upper end of locking block is separated from locking hole and realizes release locking.

[0022] 2、 the utility model discloses small water cover is connected with main part through iron chain and will not lose, and the cooperation of lock catch male and lock catch female makes small water cover tightly cover water outlet, can effectively prevent dust, sundries and foreign matter from entering the inside of fire hydrant, and the pipe is blocked, and the normal water supply of fire hydrant when needing is affected, prevent external water source from entering the inside of fire hydrant and corroding internal metal parts, and the service life and performance of fire hydrant are affected. DRAWINGS

[0023] Figure 1 It is the front side perspective drawing of the connecting structure of fire hydrant that the utility model proposes;

[0024] Figure 2 It is the partial structural drawing of connecting piece of the connecting structure of fire hydrant that the utility model proposes;

[0025] Figure 3 It is the partial structural drawing of T-shaped block of the connecting structure of fire hydrant that the utility model proposes;

[0026] Figure 4 It is the partial structural display drawing of iron chain of the connecting structure of fire hydrant that the utility model proposes;

[0027] Figure 5 It is the partial structural schematic view of small water cover of the connecting structure of fire hydrant that the utility model proposes.

[0028] Legend:

[0029] 1, main part;2, water cover mechanism;201, fixed ring one;202, iron chain;203, fixed ring two;204, small water cover;205, lock catch male;206, lock catch female;3, water outlet;4, connecting piece;5, locking hole;6, trigger groove;7, T-shaped block;8, spring one;9, locking block;10, spring no. 2;11, notch;12, release block;13, spring no. 3;14, connecting rod;15, push block;16, positioning groove;17, positioning block;18, connecting port;19, resistance ring;20, water pipe;21, plug cap;22, protective cover;23, starting valve;24, rubber pad. Specific implementation

[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0031] Please refer to the drawings Figure 1 - the drawings Figure 3 The utility model provides an embodiment: a fire hydrant's connecting structure, including main part 1 and connecting piece 4, the outer wall upper end of main part 1 is equipped with multiple water outlets 3, multiple water outlets 3 can connect multiple fire hoses and operate simultaneously, greatly improve the fire efficiency, the inner wall of water outlet 3 is rotatably connected with T-shaped block 7, the upper end of T-shaped block 7 is fixedly connected with spring one 8, the other end of spring one 8 is fixedly connected with the outer wall of water outlet 3, give T-shaped block 7 certain elastic activity ability, make it can keep in specific position under normal condition, the middle part of T-shaped block 7 is equipped with notch 11, the outer wall of notch 11 is accurately clamped with locking block 9, the outer wall of notch 11 is clamped with locking block 9, the middle part of locking block 9 is rotatably connected with the inner wall of main part 1, the lower end of locking block 9 is fixedly connected with spring two 10, the other end of spring two 10 is fixedly connected with the inner wall of water outlet 3, so that locking block 9 can be closely matched with the notch 11 of T-shaped block 7 under the action of spring two 10, to realize the locking function of connecting piece 4, prevent connecting piece 4 accidental drop, the inner wall left end of water outlet 3 is fixedly connected with spring three 13, the other end of spring three 13 is fixedly connected with release block 12, when needing to release the locking of connecting piece 4, through operating push block 15, release block 12 is driven locking block 9 by the connecting rod 14, to realize the unlocking operation, the outer wall middle part of connecting piece 4 is equipped with multiple locking holes 5, the outer wall left end of connecting piece 4 is equipped with multiple trigger grooves 6, the outer wall of main part 1 is provided with water lid mechanism 2, water lid mechanism 2 is used for closing water outlet 3.

[0032] Please refer to the drawings Figure 4 - the drawings Figure 5The water cover mechanism 2 comprises a fixed ring 201, one end of which is fixedly connected to the middle part of the outer wall of the main body 1, and a middle part of the fixed ring 201 is provided with a chain 202, the length of the chain 202 is moderate, which can effectively seal the water outlet 3 when not in use, and will not affect the normal use of the fire hydrant because of being too long, the other end of the chain 202 is provided with a fixed ring 203, one end of the fixed ring 203 is fixedly connected with a small water cover 204, the outer wall of the small water cover 204 is fixedly connected with a lock male 205, and the outer wall of the water outlet 3 is fixedly connected with a lock female 206, when the small water cover 204 covers the water outlet 3, the lock male 205 and the lock female 206 are buckled with each other, which further enhances the sealing effect of the small water cover 204 on the water outlet 3, preventing foreign matters from entering the water outlet 3 and accidental water leakage.

[0033] Please refer to the attached drawings Figure 2 - the attached drawings Figure 4 The outer wall of the block 12 is fixedly connected with a plurality of connecting rods 14, the other end of the connecting rod 14 penetrates the outer wall of the water outlet 3 and is fixedly connected with a pushing block 15, the inner wall of the pushing block 15 is slidingly connected with the outer wall of the water outlet 3, a plurality of positioning grooves 16 are formed in the inner wall of the water outlet 3, and a plurality of positioning blocks 17 are formed in the outer wall of the connecting piece 4, the positioning grooves 16 and the plurality of positioning blocks 17 formed in the outer wall of the connecting piece 4 are matched with each other, which can ensure the accuracy and stability of the connection between the connecting piece 4 and the water outlet 3, the top of the main body 1 is provided with a cap 21, the top of the cap 21 is provided with a protective cover 22, the top of the main body 1 is provided with a cap 21, and the top of the cap 21 is provided with a protective cover 22, which plays a protective role for the starting valve 23.

[0034] Please refer to the attached drawings Figure 1 - the attached drawings Figure 3 The top surface of the cap 21 is rotatably connected with a starting valve 23, the left end of the connecting piece 4 is fixedly connected with a connecting port 18, the outer wall of the connecting port 18 is fixedly connected with a resistance ring 19, the outer wall of the resistance ring 19 is fixedly connected with a water pipe 20, the resistance ring 19 provides a certain friction resistance when connected, preventing the connecting pipe from falling off accidentally, the two water outlets 3 are symmetrically arranged, the outer wall of the right end of the connecting piece 4 is fixedly connected with a rubber pad 24, the rubber pad 24 plays a sealing role when the connecting piece 4 is connected with the main body 1, effectively preventing water leakage and ensuring the normal water supply function of the fire hydrant.

[0035] Working principle: when one end of the connecting piece 4 is inserted into the water outlet 3, the positioning groove 16 and the positioning block 17 cooperate to make the locking hole 5 align with the lower end of the locking block 9, when the lower end of the locking block 9 is pressed by the inner wall of the trigger groove 6, the locking block 9 rotates to make the upper end of the locking block 9 clamped into the locking hole 5, at this time the notch 11 clamps the outer side upper corner of the locking block 9 under the action of the spring 8, realizing the fixed connection of the connecting piece 4, when the release block 12 is pushed upward, the inner circle of the release block 12 presses the lower end of the T-shaped block 7, so that the T-shaped block 7 rotates, at this time the outer side upper corner of the locking block 9 is separated from the notch 11, the spring 10 presses the lower end of the locking block 9, the upper end of the locking block 9 is separated from the locking hole 5 to realize the release of the locking, realizing the quick connection, greatly reducing the connection time;

[0036] The small water cover 204 is connected with the main body 1 through the iron chain 202 and will not be lost, the cooperation of the lock pin male 205 and the lock pin female 206 makes the small water cover 204 tightly cover the water outlet 3, which can effectively prevent dust, sundries and foreign matters from entering the inside of the fire hydrant, blocking the pipeline and affecting the normal water supply of the fire hydrant when needed, preventing the external water source from entering the inside of the fire hydrant to corrode the internal metal parts and affecting the service life and performance of the fire hydrant.

[0037] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A connection structure of a hydrant comprising a main body (1) and a connection member (4), characterized in that: The outer wall of the main body (1) is provided with a plurality of water outlets (3), the inner wall of the water outlet (3) is rotatably connected with a T-shaped block (7), the upper end of the T-shaped block (7) is fixedly connected with a spring (8), the other end of the spring (8) is fixedly connected with the outer wall of the water outlet (3), the middle part of the T-shaped block (7) is provided with a notch (11), the outer wall of the notch (11) is clamped with a locking block (9), the middle part of the locking block (9) is rotatably connected with the inner wall of the main body (1), the lower end of the locking block (9) is fixedly connected with a spring (10), the other end of the spring (10) is fixedly connected with the inner wall of the water outlet (3), the inner wall of the left end of the water outlet (3) is fixedly connected with a spring (13), the other end of the spring (13) is fixedly connected with a release block (12), the outer wall of the connecting piece (4) is provided with a plurality of locking holes (5), the outer wall of the left end of the connecting piece (4) is provided with a plurality of trigger grooves (6), the outer wall of the main body (1) is provided with a water cover mechanism (2), the water cover mechanism (2) is used for sealing the water outlet (3).

2. The connecting structure of a fire hydrant according to claim 1, wherein: The water cover mechanism (2) comprises a fixed ring (201), one end of the fixed ring (201) is fixedly connected with the outer wall of the main body (1), the middle part of the fixed ring (201) is provided with an iron chain (202), the other end of the iron chain (202) is provided with a fixed ring (203), one end of the fixed ring (203) is fixedly connected with a small water cover (204), the outer wall of the small water cover (204) is fixedly connected with a lock male (205), the outer wall of the water outlet (3) is fixedly connected with a lock female (206).

3. The connecting structure of a fire hydrant according to claim 1, wherein: The outer wall of the release block (12) is fixedly connected with a plurality of connecting rods (14), the other end of the connecting rod (14) penetrates the outer wall of the water outlet (3) and is fixedly connected with a pushing block (15), the inner wall of the pushing block (15) is slidably connected with the outer wall of the water outlet (3).

4. The connection structure of a fire hydrant according to claim 1, wherein: The inner wall of the water outlet (3) is provided with a plurality of positioning grooves (16), the outer wall of the connecting piece (4) is provided with a plurality of positioning blocks (17).

5. The hydrant connection of claim 1, wherein: The top of the main body (1) is provided with a plug cap (21), the top of the plug cap (21) is provided with a protective cover (22).

6. The hydrant connection of claim 5, wherein: The top surface of the plug cap (21) is rotatably connected with a starting valve (23), the left end of the connecting piece (4) is fixedly connected with a connecting port (18).

7. The hydrant connection of claim 6, wherein: The outer wall of the connecting port (18) is fixedly connected with a resistance ring (19), the outer wall of the resistance ring (19) is fixedly connected with a water pipe (20).

8. The hydrant connection of claim 1, wherein: Two water outlets (3) are symmetrically arranged, the outer wall of the right end of the connecting piece (4) is fixedly connected with a rubber pad (24).

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