Fire hydrant valve

Abstract

The utility model discloses a fire hydrant valve, which relates to the technical field of fire hydrant valves and comprises a fire hydrant and a valve rod arranged at the upper end of the fire hydrant, a rotating block is fixedly arranged at the top of the valve rod, rotating rods are rotatably arranged at two ends in the rotating block in a penetrating manner, two ends of rod walls of the two rotating rods are fixedly sleeved with enclosures, and the two enclosures are arranged in a matched manner. The rod wall of the rotating rod is fixedly sleeved with a rotating plate, a positioning rod is slidably arranged at the end, away from the rotating rod, of the interior of the rotating plate in a penetrating mode, two positioning grooves matched with the positioning rod to penetrate are formed in the outer wall of the rotating block, and a pressing lifting mechanism used for driving the positioning rod to move is arranged between the positioning rod and the rotating plate. According to the fire hydrant, the valve rod, the rotating block, the rotating rod, the housing, the rotating plate, the positioning rod, the positioning groove and the spring are arranged, the valve rod can be covered and protected through the housing, the situation that the valve rod is rusted and cannot rotate stably is avoided as much as possible, and it is guaranteed that the valve of the fire hydrant can operate continuously and stably.

Description

Technical Field

[0001] The utility model relates to the technical field of fire hydrant valves, in particular to a fire hydrant valve. Background Art

[0002] The fire hydrant valve is a device installed on the fire hydrant to control the opening and closing of the fire hydrant water supply pipe. During the fire fighting process, the fire hydrant valve plays the role of cutting off or connecting the fire hydrant water supply pipe. It is one of the important equipment for providing fire water sources. At present, when the fire hydrant valve is set, the valve stem used to drive the valve plate inside the valve body is exposed to the outside, resulting in the stem wall of the valve stem being easily corroded and having a lot of rust under the action of external water vapor, making it impossible for the valve stem to rotate stably and drive the valve to open and close when the valve is used subsequently, reducing the stability of the fire hydrant.

[0003] Therefore, we propose a fire hydrant valve to solve the above problems. Utility Model Content

[0004] In view of the above problems existing in the existing fire hydrant valves, the present utility model is proposed.

[0005] Therefore, the purpose of the utility model is to provide a fire hydrant valve, which solves the problem that the internal valve stem of the fire hydrant valve is exposed, easily rusted and unable to rotate stably, resulting in the valve being unable to be used stably.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A fire hydrant valve, comprising a fire hydrant and a valve stem arranged at the upper end of the fire hydrant, a rotating block is fixedly arranged on the top of the valve stem, rotating rods are rotatably penetrated at both ends of the rotating block, and covers are fixedly sleeved at both ends of the rod walls of the two rotating rods, and the two covers are arranged in coordination;

[0008] The rod wall fixed sleeve of the rotating rod is provided with a rotating plate, and a positioning rod is slidably penetrated inside the rotating plate and away from the end of the rotating rod. The outer wall of the rotating block is provided with two positioning grooves that cooperate with the positioning rod, and a pressing and lifting mechanism for driving the positioning rod to move is provided between the positioning rod and the rotating plate.

[0009] Preferably, a spring is sleeved on the rod wall of the positioning rod, and two ends of the spring are fixedly connected to the positioning rod and the rotating plate respectively.

[0010] Preferably, the pressing and lifting mechanism includes a pressing plate, the rod wall of the positioning rod is provided with a strip hole, one end of the pressing plate is slidably inserted into the strip hole, a support rod is rotatably inserted into the interior of the pressing plate, the support rod is fixedly connected to the rotating plate, both ends of the support rod are sleeved with torsion springs, and the two ends of the torsion spring are respectively fixedly connected to the pressing plate and the support rod.

[0011] Preferably, the support rod is a U-shaped support rod.

[0012] Furthermore, sealing strips are fixedly provided at both ends of one side where the two cover shells are close to each other, and two adjacent sealing strips are arranged in contact and fit.

[0013] Preferably, a through hole is provided inside the rotating plate to cooperate with the positioning rod to pass through.

[0014] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0015] 1. The utility model, through the fire hydrant, valve stem, rotating block, rotating rod, cover, rotating plate, positioning rod, positioning groove and spring, can cover the valve stem to protect it, try to avoid the valve stem from rusting and unable to rotate stably, and ensure that the fire hydrant valve can operate continuously and stably.

[0016] 2. The utility model can quickly lift the positioning rod through the positioning rod, spring and pressing and lifting mechanism, so that the positioning rod and the positioning groove can be quickly plugged in and separated. At the same time, the cover shell can be arranged horizontally after separation, which is convenient for rapid rotation of the valve stem, thereby improving the versatility of fire hydrant valve operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A magnified schematic diagram of part A;

[0020] Figure 3 It is a three-dimensional structural schematic diagram of the positioning rod of the utility model.

[0021] Description of reference numerals:

[0022] 1. Fire hydrant; 2. Valve stem; 3. Rotating block; 4. Rotating rod; 5. Cover; 6. Rotating plate; 7. Positioning rod; 8. Positioning groove; 9. Spring; 10. Pressure plate; 11. Strip hole; 12. Support rod; 13. Torsion spring; 14. Sealing strip. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] The utility model embodiment discloses a fire hydrant valve.

[0025] The utility model provides Figure 1-3 A fire hydrant valve shown in the figure comprises a fire hydrant 1 and a valve stem 2 arranged at the upper end of the fire hydrant 1, a rotating block 3 is fixedly arranged on the top of the valve stem 2, rotating rods 4 are rotatably penetrated at both ends of the rotating block 3, and covers 5 are fixedly sleeved at both ends of the rod wall of the two rotating rods 4, the two covers 5 are matched, and sealing strips 14 are fixedly arranged at both ends of the side close to the two covers 5, and the two adjacent sealing strips 14 are contact-matched;

[0026] A rotating plate 6 is fixedly sleeved on the rod wall of the rotating rod 4, and a positioning rod 7 is slidably penetrated inside the rotating plate 6 and at one end away from the rotating rod 4. A through hole is provided inside the rotating plate 6 to cooperate with the positioning rod 7 to penetrate therethrough, and two positioning grooves 8 to cooperate with the positioning rod 7 to penetrate therethrough are provided on the outer wall of the rotating block 3. A spring 9 is sleeved on the rod wall of the positioning rod 7, and the two ends of the spring 9 are fixedly connected to the positioning rod 7 and the rotating plate 6 respectively.

[0027] When the fire hydrant valve is normally set, the positioning rod 7 is inserted into the lower positioning groove 8. At this time, under the support of the rotating rod 4, the two cover shells 5 contact each other and cover the valve stem 2. At this time, under the contact and cooperation of the two sealing strips 14, the valve stem 2 can be stably protected, and external water vapor is avoided as much as possible from contacting the valve stem 2 for a long time to cause rust of the valve stem 2, so that the valve stem 2 can be used stably. When the valve stem 2 needs to be rotated, the positioning rod 7 can be pulled to stretch the spring 9. At this time, the cover shell 5 is rotated by the rotating rod 4. When the two cover shells 5 are rotated to a horizontal position, the positioning rod 7 is released. The positioning rod 7 can be inserted into the upper positioning groove 8 through the elastic force of the spring 9 to fix the position of the cover shell 5. At this time, through the support of the two cover shells 5, the rotating block 3 can be driven to rotate and the valve stem 2 can be driven to rotate to complete the opening of the fire hydrant valve, thereby improving the operational versatility of the fire hydrant valve.

[0028] In order to enable the positioning rod 7 and the positioning groove 8 to be quickly plugged in and out, as Figure 2-3 As shown, a pressing and lifting mechanism for driving the positioning rod 7 to move is provided between the positioning rod 7 and the rotating plate 6, and the pressing and lifting mechanism includes a pressing plate 10, and a bar hole 11 is opened on the rod wall of the positioning rod 7. One end of the pressing plate 10 is slidably penetrated into the bar hole 11, and a support rod 12 is rotatably penetrated inside the pressing plate 10. The support rod 12 is a U-shaped support rod, and the support rod 12 is fixedly connected to the rotating plate 6. Both ends of the support rod 12 are sleeved with torsion springs 13, and the two ends of the torsion spring 13 are respectively fixedly connected to the pressing plate 10 and the support rod 12.

[0029] When it is necessary to lift the positioning rod 7, one end of the pressure plate 10 can be pressed so that the pressure plate 10 rotates under the support of the support rod 12 and the torsion spring 13 is twisted. At this time, one end of the pressure plate 10 slides in the strip hole 11 and lifts the positioning rod 7, so that the positioning rod 7 can be pushed and move longitudinally, so that the positioning rod 7 can be quickly separated and plugged into the positioning groove 8.

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A fire hydrant valve, comprising a fire hydrant (1) and a valve stem (2) arranged at the upper end of the fire hydrant (1), characterized in that: A rotating block (3) is fixedly provided on the top of the valve stem (2), rotating rods (4) are rotatably inserted into the two ends of the rotating block (3), and covers (5) are fixedly sleeved on the two ends of the rod wall of the two rotating rods (4), and the two covers (5) are arranged in coordination; The rod wall of the rotating rod (4) is fixedly sleeved with a rotating plate (6), and a positioning rod (7) is slidably penetrated inside the rotating plate (6) and at one end away from the rotating rod (4). The outer wall of the rotating block (3) is provided with two positioning grooves (8) for cooperating with the positioning rod (7), and a pressing and lifting mechanism for driving the positioning rod (7) to move is provided between the positioning rod (7) and the rotating plate (6).

2. The fire hydrant valve according to claim 1, characterized in that: A spring (9) is sleeved on the rod wall of the positioning rod (7), and two ends of the spring (9) are respectively fixedly connected to the positioning rod (7) and the rotating plate (6).

3. The fire hydrant valve according to claim 1, characterized in that: The pressing and lifting mechanism comprises a pressing plate (10), a rod wall of the positioning rod (7) is provided with a strip hole (11), one end of the pressing plate (10) is slidably inserted into the strip hole (11), a support rod (12) is rotatably inserted into the interior of the pressing plate (10), the support rod (12) is fixedly connected to the rotating plate (6), both ends of the support rod (12) are sleeved with torsion springs (13), and the two ends of the torsion spring (13) are respectively fixedly connected to the pressing plate (10) and the support rod (12).

4. The fire hydrant valve according to claim 3, characterized in that: The support rod (12) is a U-shaped support rod.

5. The fire hydrant valve according to claim 1, characterized in that: Sealing strips (14) are fixedly provided at both ends of one side where the two cover shells (5) are close to each other, and two adjacent sealing strips (14) are arranged in contact and fit.

6. The fire hydrant valve according to claim 1, characterized in that: The rotating plate (6) is provided with a through hole inside for the positioning rod (7) to penetrate.

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