Ground fire hydrant capable of regulating pressure and preventing leakage

Abstract

The utility model discloses a pressure-regulating leakproof post fire hydrant which comprises a base, a transition pipe, a hydrant head and an opening and closing mechanism. The transition pipe is arranged at the top end of the base, the top end of the transition pipe is connected with the hydrant head, the top end of the hydrant head is connected with the opening and closing mechanism, outflow of water can be controlled, the through groove and the sealing mechanism are arranged in the base, and the sealing mechanism comprises the flange, the rotary disc, the groove, the second rotary knob, the synchronous shaft and other components. The bottom end of the fire hydrant is sealed, water leakage is prevented, the expansion of the damaged position of the fire hydrant can be effectively reduced through a modular installation and connection mode, the subsequent maintenance cost is reduced, and the fire hydrant has high practicability.

Description

Technical Field

[0001] The utility model relates to the field of fire hydrants, in particular to a pressure-regulating and leak-proof ground fire hydrant. Background Art

[0002] Fire hydrants are a type of fixed fire-fighting facility. Their main function is to control combustible materials, isolate combustible materials, and eliminate fire sources. They are divided into indoor fire hydrants and outdoor fire hydrants.

[0003] Chinese patent CN219863092U discloses a pressure-regulating and leak-proof outdoor ground fire hydrant, comprising a base, the top of the base is connected to a delivery pipe, the top of the delivery pipe is fixedly connected to a bolt head through a flange, a partition is fixedly connected between the two sides of the inner cavity of the delivery pipe, the left side of the inner cavity of the base is fixedly connected to a control shell, the top of the inner cavity of the control shell is fixedly connected to a sliding rod, the surface of the sliding rod is sequentially sleeved with a tension spring and a sliding sleeve from top to bottom, the right side of the sliding sleeve passes through the control shell and is fixedly connected to a connecting rod, the top of the connecting rod is fixedly connected to a sealing plate, and the top of the bolt head is provided with a knob. The utility model solves the problem that the existing outdoor ground fire hydrant has no anti-leakage function by arranging a partition, a sliding rod, a tension spring, a sliding sleeve, a connecting rod, a sealing plate, a knob, a screw, a threaded sleeve, a pressure rod, a movable plate, a blocking block and a push rod. The outdoor ground fire hydrant has the advantage of anti-leakage function.

[0004] However, when the fire hydrant is impacted and twisted or broken, the push rod may get stuck in the sealing plate or cause the sealing plate to shift and tilt, resulting in the sealing plate being unable to seal the partition, affecting its leak-proof effect, and having certain limitations. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a pressure-regulating and leak-proof ground fire hydrant.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure-regulating and leak-proof ground fire hydrant, comprising a base that can be supported and connected, a transition pipe is connected to the top flange of the base, a partition plate is provided at the middle end of the transition pipe, and a bolt head is connected to the top flange of the transition pipe, and an opening and closing mechanism that can be controlled to open and close is provided at the top of the bolt head;

[0007] A through groove which can be communicated with the transition pipe is provided in the base, a closing mechanism is provided in the middle end of the through groove, and the closing mechanism includes a flange, a turntable, a groove, a second knob and a synchronization shaft. A flange is provided in the middle end of the through groove, a group of turntables are provided in the flange, and a groove is provided at the right end outside the base, a group of second knobs are provided in the groove, a group of synchronization shafts are connected to the left end of the second knob, and the other end of the synchronization shaft extends through the turntable.

[0008] Preferably, the opening and closing mechanism includes a threaded rod, a knob and a blocking piece. A group of threaded rods are provided in the bolt head. The top end of the threaded rod extends through and extends to the top of the bolt head and is connected to a group of knobs, and the bottom end extends into the transition pipe and is connected to a group of blocking pieces.

[0009] Preferably, an internal threaded hole corresponding to the threaded rod is provided at the inner top end of the bolt head.

[0010] Preferably, a through opening is provided at the middle end of the partition plate, and the bottom end of the blocking member can block the through opening.

[0011] Preferably, an arc groove is provided on the inner side of the groove, and a corresponding protrusion is provided on the outer side of the turntable.

[0012] Preferably, the inner bottom surface of the groove is set as an inclined surface.

[0013] Preferably, a sealing layer is provided on the bottom surface of the blocking member and the outer side of the turntable.

[0014] Beneficial effects of the utility model:

[0015] The utility model uses a transition pipe arranged at the top of the base, the top of the transition pipe is connected to a bolt head, the top of the bolt head is connected to an opening and closing mechanism, which can control the outflow of water, and a through groove and a closing mechanism are arranged in the base, the closing mechanism includes components such as a flange, a turntable, a groove, a knob 2 and a synchronization shaft, which can cooperate with each other to close the bottom of the fire hydrant when the fire hydrant is damaged and leaks, so as to prevent water leakage, and through the modular installation and connection method, the expansion of the damaged position of the fire hydrant can be effectively reduced, and the subsequent maintenance cost can be reduced, and the utility model has strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of the through slot of the utility model from a top view;

[0019] Figure 4 It is a schematic diagram of the connection structure between the flange and the turntable of the utility model.

[0020] Among them: base-1, transition pipe-2, bolt head-3, opening and closing mechanism-4, through groove-11, closing mechanism-12, flange-121, turntable-122, groove-123, knob two-124, synchronization shaft-125, partition plate-21, threaded rod-41, knob one-42, blocking piece-43. DETAILED DESCRIPTION

[0021] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0022] See also Figure 1-2 The utility model provides a pressure-regulating and leak-proof ground fire hydrant, comprising a base 1 that can be supported and connected, a transition pipe 2 is connected to the top flange of the base 1, a partition plate 21 is provided at the middle end of the transition pipe 2, a through opening is provided at the middle end of the partition plate 21, and a bolt head 3 is connected to the top flange of the transition pipe 2, and an opening and closing mechanism 4 that can be controlled to open and close is provided at the top of the bolt head 3.

[0023] See also Figure 2-4 The utility model provides a pressure regulating and leak-proof ground fire hydrant. A through groove 11 which can be communicated with a transition pipe 2 is provided in the base 1. A closing mechanism 12 is provided in the middle end of the through groove 11. The closing mechanism 12 includes a flange 121, a turntable 122, a groove 123, a knob 124 and a synchronous shaft 125. A flange 121 is provided in the middle end of the through groove 11. A group of turntables 122 are connected in the flange 121. A groove 123 is provided at the right end of the base 1. The bottom surface of the groove 123 is set as an inclined surface to avoid accumulation. To collect impurities, a group of knobs 124 are provided in the groove 123, and the left end of the knob 124 is connected to a group of synchronization shafts 125. The other end of the synchronization shaft 125 extends through the turntable 122, and the synchronization shaft 125 and the turntable 122 can be driven to rotate by rotating the knob 124. An arc groove is provided on the inner side of the groove 123, and a corresponding protrusion is provided on the outer side of the turntable 122 to improve the stability of the turntable after it is turned over. Furthermore, a sealing layer is provided on the outer side of the turntable 122 to improve the sealing effect.

[0024] See also Figure 2 The utility model provides a pressure-regulating and leak-proof ground fire hydrant, the opening and closing mechanism 4 includes a threaded rod 41, a knob 42 and a plug 43, a group of threaded rods 41 are arranged in the bolt head 3, the top of the threaded rod 41 extends through and extends to the top of the bolt head 3 and is connected with a group of knobs 42, the bottom end extends into the transition pipe 2 and is connected with a group of plugs 43, wherein the top of the bolt head 3 is provided with an internal threaded hole corresponding to the threaded rod 41, the rotation of the knob 42 can drive the plug 43 to move up and down through the threaded rod 41, and can block the through-opening at the middle end of the partition plate 21, and a sealing layer is provided on the bottom surface of the plug 43 to improve the sealing effect.

[0025] Here’s how it works:

[0026] The utility model is placed in a suitable position for use. When in use, the plugging member 43 can be driven up and down by rotating the knob 1 42 through the threaded rod 41 to realize the flow of water. When the fire hydrant is hit and leaks, the synchronous shaft 125 and the turntable 122 can be driven to rotate by rotating the knob 2 124. The turntable 122 is embedded in the flange 121 to realize the closure of the through groove 11 and prevent water leakage.

[0027] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pressure-regulated and leak-proof ground fire hydrant, characterized in that: It comprises a base (1) capable of supporting connection, the top flange of the base (1) being connected to a transition pipe (2), a partition plate (21) being provided at the middle end of the transition pipe (2), and the top flange of the transition pipe (2) being connected to a bolt head (3), the top end of the bolt head (3) being provided with an opening and closing mechanism (4) capable of controlling opening and closing; The base (1) is provided with a through groove (11) which can be communicated with the transition pipe (2); a closing mechanism (12) is provided at the middle end of the through groove (11); the closing mechanism (12) comprises a flange (121), a rotating disk (122), a groove (123), a second knob (124) and a synchronous shaft (125); a flange (121) is provided at the middle end of the through groove (11); a group of rotating disks (122) are provided in the flange (121); a groove (123) is provided at the right end of the outer side of the base (1); a group of second knobs (124) are provided in the groove (123); a group of synchronous shafts (125) are connected to the left end of the second knob (124); the other end of the synchronous shaft (125) extends through the rotating disk (122).

2. A pressure-regulated and leak-proof ground fire hydrant according to claim 1, characterized in that: The opening and closing mechanism (4) comprises a threaded rod (41), a knob (42) and a plug (43); a group of threaded rods (41) are arranged in the bolt head (3); the top end of the threaded rod (41) extends through the top end of the bolt head (3) and is connected to a group of knobs (42); the bottom end extends into the transition pipe (2) and is connected to a group of plugs (43).

3. A pressure-regulated and leak-proof ground fire hydrant according to claim 2, characterized in that: An internal threaded hole corresponding to the threaded rod (41) is provided at the inner top end of the bolt head (3).

4. A pressure-regulated and leak-proof ground fire hydrant according to claim 2, characterized in that: The middle end of the partition plate (21) is provided with a through opening, and the bottom end of the blocking member (43) can block the through opening.

5. A pressure-regulated and leak-proof ground fire hydrant according to claim 1, characterized in that: An arc groove is provided on the inner side of the groove (123), and a corresponding protrusion is provided on the outer side of the rotating disk (122).

6. The pressure-regulated and leak-proof ground fire hydrant according to claim 1, characterized in that: The inner bottom surface of the groove (123) is configured as an inclined surface.

7. A pressure-regulated and leak-proof ground fire hydrant according to claim 2, characterized in that: The bottom surface of the blocking member (43) and the outer side of the rotating disk (122) are both provided with sealing layers.

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