CN211646558U - Closed overflow device of pressure-bearing adjustable water tank - Google Patents

Abstract

The invention discloses a pressure-bearing adjustable water tank closed overflow device which comprises a shell member, a water inlet port, a pressure gauge, a filter, an adjusting knob assembly, a pressure-bearing spring, a connecting shaft rod, a diaphragm plate, an overflow raft plate, a sealing gasket and a water outlet port, wherein the shell member is provided with a hollow transverse shell and a hollow longitudinal shell, a groove with steps is formed in the transverse shell, the overflow raft plate and the sealing gasket are arranged in the groove with steps, the overflow raft plate, the connecting shaft rod, the pressure-bearing spring and the adjusting knob assembly are sequentially connected, the diaphragm plate is arranged in the longitudinal shell, a through hole is formed in the middle of the diaphragm plate, the connecting shaft rod is arranged in the through hole in the middle of the diaphragm plate in a penetrating manner, the water inlet port and the water outlet port are respectively arranged at the left side end and the right side end of the. The invention can ensure that the overflow pipe of the water tank is in a closed state under normal state, the overflow pipe is not communicated with the outside air, and the water in the water tank is not polluted by the overflow pipe.

Description

Closed overflow device of pressure-bearing adjustable water tank

Technical Field

The invention relates to the field of pressure-bearing closed overflow devices for water tanks, and particularly belongs to a pressure-bearing adjustable water tank closed overflow device.

Background

The water tank is an important matched component of the box type secondary water supply equipment, and the water tank is an important water storage facility for ensuring the water safety of the box type secondary water supply equipment for residential buildings. Whether the whole operation of the water tank is safe or not seriously influences the water quality of the water for residents. As is well known, the overflow pipe is mostly arranged on the water tank of the common box type secondary water supply equipment, and the overflow pipe is mainly used for: when the water in the water tank is excessive and exceeds the connection port of the overflow pipe and the water tank, the water exceeding the overflow pipe is discharged outwards; however, when the water in the water tank does not exceed the connection port of the overflow pipe and the water tank, no water exists in the overflow pipe, the overflow pipe is communicated with the outside atmosphere, pollutants and micro-biological bacteria in the atmosphere easily enter the water tank through the overflow pipe, further pollute the water in the water tank, and seriously affect the safety of domestic water of residents. Therefore, a pressure-bearing adjustable water tank closed overflow device is researched and developed.

Disclosure of Invention

The invention provides a pressure-bearing adjustable water tank closed overflow device, which solves the problems in the background technology through the integral research and development design of a shell member, a water inlet port, a pressure gauge, a filter, an adjusting knob component, a pressure-bearing spring, a connecting shaft rod, a diaphragm plate, an overflow raft plate, a sealing gasket and a water outlet port, and can preset and adjust overflow pressure according to different overflow liquid level heights and different water pressures of water tanks, so that the internal part of the overflow pipe of the water tank is not communicated with the external atmosphere under the normal state, the internal part of the overflow pipe of the water tank is kept in a closed state with the external atmosphere, the water in the water tank is not polluted through the overflow pipe, and the domestic water safety of residents is ensured.

The technical scheme adopted by the invention is as follows:

a pressure-bearing adjustable water tank closed overflow device comprises a shell member, a water inlet port, a pressure gauge, a filter, an adjusting knob assembly, a pressure-bearing spring, a connecting shaft rod, a diaphragm plate, an overflow raft plate, a sealing gasket and a water outlet port, wherein the shell member is provided with a transverse shell and a longitudinal shell, the transverse shell and the longitudinal shell are both of a hollow structure, the longitudinal shell is positioned above the middle part of the transverse shell, the transverse shell and the longitudinal shell are connected into a whole, a groove with steps is arranged below the middle part inside the transverse shell, a central longitudinal vertical line of the groove with steps and a central longitudinal vertical line of the longitudinal shell are the same vertical line, the overflow raft plate and the sealing gasket are arranged in the groove with steps inside the transverse shell, the sealing gasket is integrally sleeved around the outer side of the lower part of the overflow raft plate, the sealing gasket is connected with the lower part of the overflow raft plate, and the upper, the upper part of the connecting shaft lever is connected with the lower part of the pressure-bearing spring, the upper part of the pressure-bearing spring is connected with the lower part of the adjusting knob component, the diaphragm plate is integrally arranged in the longitudinal shell above the joint of the longitudinal shell and the transverse shell, the middle of the diaphragm plate is provided with a through hole, the middle part of the connecting shaft rod is arranged in the through hole in the middle of the diaphragm plate in a penetrating way, the connecting shaft rod can move up and down in the through hole in the middle of the diaphragm plate, the connecting shaft rod can not move left and right in the through hole in the middle of the diaphragm plate, the connecting shaft rod, the pressure-bearing spring and the adjusting knob assembly are located in a hollow structure of the longitudinal shell, a water inlet port is formed in the left side end of the hollow structure of the transverse shell, a water outlet port is formed in the right side end of the hollow structure of the transverse shell, a filter is arranged in the hollow structure of the transverse shell close to the water inlet port, and a pressure gauge is arranged on the outer side above the transverse shell between the water inlet port and the filter.

Preferably, the adjusting knob assembly, the pressure-bearing spring, the connecting shaft rod, the through hole in the middle of the diaphragm plate, the overflow raft and the central longitudinal vertical line of the stepped groove below the middle inside the transverse shell are all on the same vertical line with the central longitudinal vertical line of the longitudinal shell.

Compared with the prior art, the invention has the following beneficial effects:

through the whole research and development design to casing spare, inlet port, manometer, filter, adjust knob subassembly, pressure-bearing spring, even axostylus axostyle, diaphragm plate, overflow raft board, sealed pad and outlet port, produce the airtight overflow arrangement of adjustable water tank of a pressure-bearing. When the overflow water tank is in practical use, the water inlet port of the overflow water tank is directly and fixedly connected with the overflow pipe, the overflow pressure value when the water body in the water tank overflows is preset through the adjusting knob assembly and the pressure gauge, the upper part of the adjusting knob assembly is screwed and fixed on the longitudinal shell, and when the liquid level of the water body in the water tank rises to the water level of the overflow pipe, the water body in the water tank is in a closed pressure-bearing state at the joint of the overflow pipe of the overflow water tank and the water inlet port of the overflow water tank due to the preset overflow pressure value;

when the water level in the water tank continuously rises, the hydraulic pressure at the joint of the overflow pipe and the water inlet port of the invention gradually rises, and reaches a preset overflow pressure value, the overflow raft plate and the sealing gasket in the invention rise together under the action of the hydraulic pressure, the connecting shaft rod moves upwards in the through hole in the middle of the diaphragm plate to push the pressure-bearing spring to generate compression deformation upwards, the stepped groove area of the overflow raft plate and the sealing gasket arranged in the transverse shell is opened and communicated with the outside, and the water body of the water tank can flow out through the water inlet port of the invention connected with the overflow pipe, the filter and the stepped groove area in the transverse shell and flow out through the water outlet port of the invention;

then, the water body in the water tank flows out and overflows, the water level in the water tank continuously drops, the hydraulic pressure at the joint of the overflow pipe and the water inlet port of the invention gradually drops, when the water level is below the preset overflow pressure value, because the upper part of the adjusting knob component is screwed and fixed on the longitudinal shell, the original compression-deformed pressure-bearing spring can only return to the original state downwards, at the moment, the pressure-bearing spring pushes the connecting shaft rod to move downwards in the through hole in the middle of the diaphragm plate, the connecting shaft rod pushes the overflow raft plate and the sealing gasket to move downwards together, the connecting shaft rod is sealed and closed in the stepped groove area with the overflow raft plate and the sealing gasket arranged in the transverse shell and is not communicated with the outside in a sealing way, the water inlet port of the invention is. The overflow pipe is not communicated with the outside atmosphere, pollutants and micro biological bacteria in the atmosphere cannot enter the water tank through the overflow pipe, the problem that the pollutants and the micro biological bacteria in the atmosphere pollute the water body in the water tank is solved, and the safety of domestic water of residents is ensured.

The overflow pressure can be preset and adjusted according to the overflow liquid level height and the water pressure of the secondary water supply tank, so that the overflow pipe of the secondary water supply tank is ensured to be in a closed state under normal conditions, the overflow pipe is not communicated with the outside air, the water quality in the tank cannot be polluted by the overflow pipe, the overflow pipe is suitable for being installed on the overflow pipe of the secondary water supply tank to be popularized and used, and the water safety of residents is ensured.

Drawings

FIG. 1 is a horizontal longitudinal sectional view of a central vertical plane after the assembly of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be described in further detail with reference to examples and specific embodiments.

Referring to the attached drawings, the closed overflow device of the pressure-bearing adjustable water tank comprises a shell, a water inlet port 9, a pressure gauge 7, a filter 8, an adjusting knob assembly 1, a pressure-bearing spring 2, a connecting shaft rod 3, a diaphragm plate 4, an overflow raft 5, a sealing gasket 6 and a water outlet port 10, wherein the shell is provided with a transverse shell 12 and a longitudinal shell 11, the transverse shell 12 and the longitudinal shell 11 are both of a hollow structure, the longitudinal shell 11 is positioned above the middle part of the transverse shell 12, the transverse shell 12 and the longitudinal shell 11 are connected into a whole, a groove 1201 with a step is arranged below the middle part inside the transverse shell 12, a central longitudinal vertical line of the groove 1201 with the step is the same vertical line as the central longitudinal vertical line of the longitudinal shell 11, the overflow raft 5 and the sealing gasket 6 are installed, the groove 1201 with the step inside the transverse shell 12 is sleeved on the periphery of the lower part of the overflow raft 5, the sealing gasket 6 is connected with the lower part of an overflow raft plate 5, the upper part of the overflow raft plate 5 is connected with the lower part of a connecting shaft rod 3, the upper part of the connecting shaft rod 3 is connected with the lower part of a pressure bearing spring 2, the upper part of the pressure bearing spring 2 is connected with the lower part of an adjusting knob assembly 1, a diaphragm plate 4 is integrally installed in a longitudinal shell 11 above the joint of the longitudinal shell 11 and a transverse shell 12, a through hole is arranged in the middle of the diaphragm plate 4, the middle part of the connecting shaft rod 3 is penetrated in the through hole in the middle of the diaphragm plate 4, the connecting shaft rod 3 can move up and down in the through hole in the middle of the diaphragm plate 4, the connecting shaft rod 3, the pressure bearing spring 2 and the adjusting knob assembly 1 are positioned in the hollow structure of the longitudinal shell 11, a water inlet port 9 is arranged at the left side end of the hollow structure of the transverse shell 12, a water outlet port 10 is arranged at the right side, be close to horizontal casing 12 hollow structure internally mounted of water inlet port 9 has filter 8, the manometer 7 is installed in the horizontal casing 12 top outside between water inlet port 9 and the filter 8.

Preferably, the adjusting knob assembly 1, the pressure-bearing spring 2, the connecting shaft rod 3, the through hole in the middle of the diaphragm plate 4, the overflow raft 5 and the central longitudinal vertical line of the stepped groove 1201 below the middle inside the transverse shell 12 are all on the same vertical line with the central longitudinal vertical line of the longitudinal shell 11.

When the overflow valve is used, the water inlet port 9 is directly and fixedly connected with the overflow pipe, the overflow pressure value when the water body in the water tank overflows is preset through the adjusting knob component 1 and the pressure gauge 7, the upper part of the adjusting knob component 1 is screwed and fixed on the longitudinal shell 11, when the liquid level of the water body in the water tank rises to the water level of the overflow pipe, the water body in the water tank cannot overflow due to the preset overflow pressure value, and the joint of the overflow pipe of the water tank and the water inlet port 9 is in a closed pressure-bearing state;

when the water level in the water tank continuously rises, the hydraulic pressure at the joint of the overflow pipe and the water inlet port 9 of the invention gradually rises, and reaches a preset overflow pressure value, the overflow raft 5 and the sealing gasket 6 in the invention rise together under the action of the hydraulic pressure, the connecting shaft rod 3 moves upwards in the through hole in the middle of the diaphragm plate 4 to push the pressure-bearing spring 2 to generate compression deformation upwards, the region with the step groove 1201, in which the overflow raft 5 and the sealing gasket 6 are arranged, in the transverse shell 12 is opened and communicated with the outside, and the water body of the water tank can flow out through the water inlet port 9 of the invention connected with the overflow pipe, the filter 8 and the region with the step groove 1201 in the transverse shell 12 through the water outlet port 10 of the invention;

then, the water body in the water tank overflows when flowing outwards, the water level in the water tank continuously drops, at the moment, the hydraulic pressure at the joint of the overflow pipe and the water inlet port 9 of the invention gradually drops, when the water level is below a preset overflow pressure value, because the upper part of the adjusting knob component 1 is screwed and fixed on the longitudinal shell 11, the original compression-deformed pressure-bearing spring 2 can only return to the original state downwards, at the moment, the pressure-bearing spring 2 pushes the connecting shaft rod 3 to move downwards in the through hole in the middle of the diaphragm plate 4, the connecting shaft and the adjusting knob component 3 push the overflow raft plate 5 and the sealing gasket 6 to move downwards together, the connecting shaft and the adjusting knob component are sealed and closed in the region of the groove 1201 with the step, which is provided with the overflow raft plate 5 and the sealing gasket 6 and arranged in the transverse shell 12. The overflow pipe is not communicated with the outside atmosphere, pollutants and micro biological bacteria in the atmosphere can not enter the water tank through the overflow pipe, the problem that the pollutants and the micro biological bacteria in the atmosphere pollute the water in the water tank is solved, the safety of domestic water of residents is ensured, and the overflow pipe is suitable for being installed on a secondary water supply water tank to be popularized and used.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims (2)

1. A closed overflow device of a pressure-bearing adjustable water tank is characterized by comprising a shell body, a water inlet port, a pressure gauge, a filter, an adjusting knob assembly, a pressure-bearing spring, a connecting shaft rod, a diaphragm plate, an overflow raft plate, a sealing gasket and a water outlet port, wherein the shell body is provided with a transverse shell and a longitudinal shell, the transverse shell and the longitudinal shell are both of a hollow structure, the longitudinal shell is positioned above the middle part of the transverse shell, the transverse shell and the longitudinal shell are connected into a whole, a groove with steps is arranged below the middle inside of the transverse shell, a central longitudinal vertical line with the groove with steps is the same vertical line with the central longitudinal vertical line of the longitudinal shell, the overflow raft plate and the sealing gasket are arranged in the groove with steps inside the transverse shell, the sealing gasket is integrally sleeved around the outer side of the lower part of the overflow raft plate, and, the upper part of the overflow raft is connected with the lower part of the connecting shaft rod, the upper part of the connecting shaft rod is connected with the lower part of the pressure-bearing spring, the upper part of the pressure-bearing spring is connected with the lower part of the adjusting knob component, the diaphragm plate is integrally arranged in the longitudinal shell above the joint of the longitudinal shell and the transverse shell, a through hole is arranged in the middle of the diaphragm plate, the middle part of the connecting shaft rod is arranged in the through hole in the middle of the diaphragm plate in a penetrating way, the connecting shaft rod can move up and down in the through hole in the middle of the diaphragm plate and can not move left and right in the through hole in the middle of the diaphragm plate, the connecting shaft rod, the pressure-bearing spring and the adjusting knob component are positioned in the hollow structure of the longitudinal shell, the left end of the hollow structure of the transverse shell is provided with a water inlet port, the right end of the hollow structure of the transverse shell is, a pressure gauge is installed.

2. The pressure-bearing adjustable water tank containment overflow device of claim 1, wherein the adjustment knob assembly, the pressure-bearing spring, the connecting shaft, the through hole in the middle of the diaphragm plate, the overflow raft and the central longitudinal vertical line of the stepped channel below the middle inside the transverse housing are all on the same vertical line as the central longitudinal vertical line of the longitudinal housing.

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