Non-negative pressure steady flow water supply device

Abstract

The utility model discloses a non-negative pressure steady flow water supply device in the technical field of non-negative pressure water supply, which comprises a water tank, an electric cylinder is mounted at the top of the water tank through a screw, a moving block is mounted at the bottom of the electric cylinder through a screw, two ends of the moving block are rotatably connected with adjusting rods, one end of each adjusting rod is rotatably connected with a non-negative pressure piston, and the other end of each adjusting rod is rotatably connected with a water pump. The non-negative-pressure piston is connected into the water tank in a sliding mode, a deformable air bag is arranged at one end of the non-negative-pressure piston, and therefore the non-negative-pressure piston can be better attached to water. The non-negative pressure piston can be perfectly attached to water, the water is better pushed to flow out, air between the non-negative pressure piston and the water is reduced, the non-negative pressure state effect is improved, the sealing performance between the non-negative pressure piston and the water tank can be enhanced, and the water leakage problem of the water supply device is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to no negative pressure water supply technology field, concretely is a kind of no negative pressure steady flow water supply device. BACKGROUND

[0002] Water supply device is mostly to supply water source to life production, and it is mainly water tower structure, and in prior art, water tower is mainly made of thin iron sheet material or concrete casting, in order to ensure water quality, water tower is better sealed, when the water in water tower is filled, when water in water tower is reduced when water is used, negative pressure space is formed in water tower, and no negative pressure water supply device is needed.

[0003] In the application file of the application No.202320938450.X proposes a kind of water scale prevention no negative pressure water supply device, by being provided with two symmetrical no negative pressure pistons, by extruding the water in the water storage tower main body when draining, even when the water in the water storage tower main body is reduced, hollow negative pressure cavity is not formed, so that the air pressure in the water storage tower main body is stable, avoid the damage of water tower caused by negative pressure, and no negative pressure piston moves back and forth to avoid water scale remaining on the inner wall of water storage tower main body.

[0004] The above application realizes the no negative pressure state of water tank by the movement of no negative pressure piston, but in the process of draining, due to the flow of water flow and the pushing effect of no negative pressure piston, the speed of water flow out will be greater than the speed of no negative pressure piston movement, and then no negative pressure piston and water will have certain gap, still cause the occurrence of negative pressure, and the problem of affecting water supply device is caused, based on this, the utility model designs a kind of no negative pressure steady flow water supply device to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of no negative pressure steady flow water supply device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of no negative pressure steady flow water supply device, including water tank, the water tank top is equipped with electric cylinder by screw, the electric cylinder bottom is equipped with moving block by screw, the moving block both ends are rotatably connected with adjusting rod, the adjusting rod one end is rotatably connected with no negative pressure piston, the no negative pressure piston is slidably connected in water tank interior, the no negative pressure piston one end is provided with deformable gasbag, better make no negative pressure piston and water adhere, the water tank interior is equipped with fixed box by screw, the fixed box is provided with the moving plate that moves synchronously with no negative pressure piston in it, for filling gas into gasbag interior.

[0007] Preferably, one end of the non-negative pressure piston is provided with a rack rod through screw mounting, one end of the rack rod is engagedly connected with a gear, the top of the gear is fixedly connected with a threaded cylinder, the threaded cylinder is threadedly connected with an adjusting screw inside, the top of the adjusting screw is fixedly connected with a moving plate, and the inside of the water tank is fixedly connected with fixed boxes at both ends.

[0008] Preferably, the water tank is slidably connected with a closing plate at the top, and the inside of the water tank is threadedly connected with extrusion screws at both ends.

[0009] Preferably, the gear is rotatably connected inside the water tank.

[0010] Preferably, the inner diameter of the fixed box is equal to the outer diameter of the moving plate.

[0011] Preferably, the water tank is provided with a moving groove at the position corresponding to the closing plate, the closing plate is slidably connected inside the moving groove, and the end face of the extrusion screw is in contact with the end face of the closing plate.

[0012] Preferably, the water tank is provided with a water inlet pipe outside, and the bottom of the water tank is fixedly connected with a water outlet pipe.

[0013] Compared with the prior art, the non-negative pressure piston can be moved to fill gas into the air bag, so that the air bag is inflated, the non-negative pressure piston is perfectly combined with water, water flow is better pushed out, air between the non-negative pressure piston and water is reduced, the non-negative state effect is improved, the sealing property between the non-negative pressure piston and the water tank is enhanced, the problem of water leakage of the water supply device is avoided, the closing plate is provided, when the inside of the water tank needs to be maintained, the top of the water tank is opened by moving the closing plate, and the elements inside the water tank are maintained. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 It is a structural schematic diagram of the present application;

[0016] Figure 2 It is a fixed box mounting structure schematic diagram of the present application;

[0017] Figure 3 It is a connecting pipe mounting structure schematic diagram of the present application;

[0018] Figure 4 It is a schematic diagram of the extrusion screw mounting structure of the utility model.

[0019] In the drawings, the components represented by each reference numeral are listed as follows:

[0020] 1, water tank; 2, electric cylinder; 3, moving block; 4, adjusting rod; 5, non-negative pressure piston; 6, toothed rod; 7, gear; 8, threaded cylinder; 9, adjusting screw; 10, moving plate; 11, fixed box; 12, air bag; 13, connecting pipe; 14, closing plate; 15, extrusion screw. DETAILED DESCRIPTION

[0021] 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 scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: a kind of non-negative pressure steady flow water supply device, including water tank 1, water tank 1 outside is provided with inlet pipe, water tank 1 bottom is fixedly connected with outlet pipe, it is convenient to add water to water tank 1 interior and discharge water in water tank 1 interior, water tank 1 top is installed with electric cylinder 2 by screw, electric cylinder 2 bottom is installed with moving block 3 by screw, moving block 3 both ends are rotatably connected with adjusting rod 4, adjusting rod 4 one end is rotatably connected with non-negative pressure piston 5, non-negative pressure piston 5 is slidably connected in water tank 1, non-negative pressure piston 5 one end is installed with toothed rod 6 by screw, toothed rod 6 one end is meshingly connected with gear 7, gear 7 is rotatably connected in water tank 1, guarantee the stability of gear 7 rotation, gear 7 top is fixedly connected with threaded cylinder 8, threaded cylinder 8 is slidably connected with adjusting screw 9 in the interior by thread, adjusting screw 9 top is fixedly connected with moving plate 10, water tank 1 interior both ends are fixedly connected with fixed box 11, moving plate 10 is slidably connected in fixed box 11 interior, and the inside diameter of fixed box 11 is equal to the outside diameter of moving plate 10, guarantee the stability of moving plate 10 movement, non-negative pressure piston 5 one end is bonded with air bag 12, fixed box 11 and air bag 12 are connected by connecting pipe 13, water tank 1 top is slidably connected with closing plate 14, water tank 1 is set with moving groove at the position corresponding closing plate 14, closing plate 14 is slidably connected in moving groove interior, extrusion screw 15 end face and closing plate 14 end face are mutually contacted, it is convenient to fix closing plate 14, and it is convenient to close water tank 1 top, water tank 1 interior both ends are slidably connected with extrusion screw 15 by thread.

[0023] The personnel open the electric cylinder 2 to drive the moving block 3 to move, the moving block 3 drives the push adjusting rod 4 to rotate, the adjusting rod 4 drives the non-negative pressure piston 5 to move in the water tank 1, the water in the water tank 1 is pushed out from the water outlet pipe, the problem of negative pressure state of the water tank 1 is avoided, when the non-negative pressure piston 5 moves, the gear rod 6 is driven to move, the gear rod 6 is connected with the gear 7 in meshing, the gear 7 is driven to rotate, the threaded cylinder 8 is driven to rotate through the rotation of the gear 7, the adjusting screw rod 9 is driven to move through the threaded connection of the threaded cylinder 8 and the adjusting screw rod 9, the moving plate 10 is driven to move through the movement of the adjusting screw rod 9, the moving plate 10 moves in the fixed box 11, the gas in the fixed box 11 enters the air bag 12, the air bag 12 is inflated, the non-negative pressure piston 5 is perfectly combined with the water, the water flow is better pushed out, the air between the non-negative pressure piston 5 and the water is reduced, the non-negative pressure state effect is improved, the sealing property between the non-negative pressure piston 5 and the water tank 1 is enhanced, the problem of water leakage of the water supply device is avoided, and the sealing plate 14 is arranged, when the inside of the water tank 1 needs to be maintained, the personnel opens the top of the water tank 1 by moving the sealing plate 14, and the elements in the water tank 1 are maintained.

[0024] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0025] The preferred embodiments of the application disclosed above are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The embodiments are selected and described in the specification in order to better explain the principles and practical applications of the application, so that the persons skilled in the art can well understand and utilize the application. The application is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A negative pressure-free steady flow water supply device, comprising a water tank (1), an electric cylinder (2) installed on the top of the water tank (1), a moving block (3) installed on the bottom of the electric cylinder (2), an adjusting rod (4) rotatably connected to both ends of the moving block (3), a negative pressure-free piston (5) rotatably connected to one end of the adjusting rod (4), and the negative pressure-free piston (5) slidably connected inside the water tank (1), characterized in that: The negative pressure-free piston (5) is provided with a deformable airbag (12) at one end, which makes the negative pressure-free piston (5) fit better with the water. The water tank (1) is equipped with a fixed box (11), and the fixed box (11) is provided with a moving plate (10) that moves synchronously with the negative pressure-free piston (5) for filling the airbag (12) with gas.

2. The negative pressure-free, stable flow water supply device according to claim 1, characterized in that: The negative pressure piston (5) is equipped with a rack (6) at one end, and a gear (7) is meshed with one end of the rack (6). A threaded cylinder (8) is fixedly connected to the top of the gear (7). An adjusting screw (9) is threadedly connected inside the threaded cylinder (8). A movable plate (10) is fixedly connected to the top of the adjusting screw (9). Fixed boxes (11) are fixedly connected to both ends inside the water tank (1). The fixed boxes (11) are connected to the airbag (12) through a connecting pipe (13).

3. The negative pressure-free, stable flow water supply device according to claim 1, characterized in that: The top of the water tank (1) is slidably connected to a sealing plate (14), and both ends of the inside of the water tank (1) are connected to a compression screw (15) by threads.

4. The negative pressure-free, stable flow water supply device according to claim 2, characterized in that: The gear (7) is rotatably connected to the inside of the water tank (1).

5. The negative pressure-free, stable flow water supply device according to claim 2, characterized in that: The inner diameter of the fixed box (11) is equal to the outer diameter of the movable plate (10).

6. The negative pressure-free, stable flow water supply device according to claim 3, characterized in that: The water tank (1) has a movable groove at the position corresponding to the closed plate (14). The closed plate (14) is slidably connected inside the movable groove, and the end face of the extrusion screw (15) is in contact with the end face of the closed plate (14).

7. The negative pressure-free, stable flow water supply device according to claim 1, characterized in that: The water tank (1) is provided with an inlet pipe on the outside and an outlet pipe is fixedly connected to the bottom of the water tank (1).

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