CN215487787U

CN215487787U - Mechanical pressure difference control floating ball water level switch

Info

Publication number: CN215487787U
Application number: CN202122062527.5U
Authority: CN
Inventors: 刘明庆; 张友强; 杨卫荣
Original assignee: Taizhou Xuanyuan International Trade Co ltd
Current assignee: Taizhou Xuanyuan International Trade Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-11
Anticipated expiration: 2031-08-30

Abstract

The utility model relates to a mechanical differential pressure control floating ball water level switch, which comprises a valve body and a valve cover, wherein the valve body is connected with the valve cover through a bolt, a water flow channel is formed in the valve body, a diaphragm is arranged between the valve body and the valve cover, a through hole is formed in the center of the diaphragm, a control cavity is formed between the valve cover and the diaphragm, a discharge hole is formed in the valve body, a lifting rod penetrates through the discharge hole and is installed in clearance fit with the valve body, and a clearance for controlling water flow in the cavity to flow out is formed between the valve body and the lifting rod; the elastic diaphragm formed by integral injection molding is simpler to manufacture, more reliable in sealing and lower in resistance to opening of water flow, a water flow switch can be easily opened under the condition of low water pressure, deformation of the diaphragm is realized under the pressure action of water flow, a water flow channel is sealed and opened, the floating ball connecting rod rotates, and the lifting motion of the lifting rod is realized through the lever principle, so that the opening or closing of a pressure relief hole is realized.

Description

Mechanical pressure difference control floating ball water level switch

Technical Field

The utility model relates to the technical field of water level switches, in particular to a mechanical differential pressure control floating ball water level switch.

Background

In the process of production and life, water is usually added into a water pool or a water tank. Normally, the operator turns the faucet on, looks at the sink or tank, and turns the faucet off when the water level meets the operational requirements.

At present, with the development and progress of technology, electronic water level controllers appear in the market. The method has the advantages of high precision and high intelligent degree. But also has the limitation of use, and the electronic controller cannot be used in some areas with power shortage because the use range of the electronic controller is limited by the power supply. Secondly, there is also potential electric shock risk in the use of electronic water level controllers.

The mechanical float switch is a water level controller without depending on a power supply, and in the market, like products are diaphragm type remote control float valves, when the water level reaches a set height, a main valve is controlled by a float ball pilot valve to close a water inlet to stop supplying water; when the water level drops, the main valve is controlled by the floating ball pilot valve to open the water inlet to inject water into the water tank, so that automatic water supplement is realized. The liquid level control is accurate and is not interfered by water pressure. But has several disadvantages: 1. the valve body is made of cast iron, so that the product is large in size and is not suitable for water level control of a small water tank/water pool; 2. the core component of the mechanical ball valve is made of stainless steel or copper, the manufacturing cost of the product is high, and the service life of the product is short in corrosive environments.

SUMMERY OF THE UTILITY MODEL

The utility model solves the problem of providing a mechanical differential pressure control floating ball water level switch, wherein the rotating motion of a floating ball connecting rod realizes the lifting motion of a lifting rod through a lever principle, thereby realizing the opening or closing of a pressure relief hole; adopt integral type injection moulding's diaphragm, under the pressure effect of rivers, the deformation of diaphragm is realized, rivers passageway sealed with open.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a mechanical type's pressure differential control floater water level switch, includes valve body and valve gap, the valve body passes through bolted connection with the valve gap, the inside rivers passageway of having seted up of valve body, install the diaphragm between valve body and the valve gap, and diaphragm center department has seted up the through-hole, and sets up to the control chamber between valve gap and the diaphragm, the inside discharge opening of having seted up of valve body, and the lifter runs through discharge opening and valve body clearance fit installation, be provided with the clearance that is used for controlling intracavity rivers to flow between valve body and the lifter, lifter one end is located the valve body outside and is connected with connecting rod one end, the floater is installed in the rotation of the connecting rod other end.

Preferably, the valve body, the valve cover and the floating ball are all made of plastic, and the diaphragm is made of rubber.

Preferably, the valve body is L type, the water inlet outer wall of valve body set up with the screw thread of inlet tube adaptation, and the delivery port outer wall is provided with the pagoda head.

Preferably, the outer end of the lifting rod is provided with a connecting rod, and the connecting rod is connected with the connecting rod through a locking nut.

Preferably, the floating ball and the connecting rod are connected through a pin buckle.

Preferably, the specific operation steps of the water level switch are as follows:

the floater rises along with the water level, when descending, thereby utilize lever principle to drive the lifter motion through the connecting rod and seal or open the control chamber, when the water level rose, the floater floated, it removes to drive the connecting rod through the connecting rod, close the discharge orifice, the pressure differential in rivers passageway and the control chamber equals, the diaphragm seals the rivers passageway and closes, when the water level descends, the floater sinks, the connecting rod drives the connecting rod and removes, open the discharge orifice, the water in the control chamber is discharged, the control chamber does not form pressure, the diaphragm produces deformation under the effect of rivers pressure, water flows from the clearance between diaphragm and the valve body.

The utility model has the beneficial effects that: compared with a water faucet controlled manually, the water faucet can save labor cost; compared with an electronic water level control switch, the full-mechanical control mode adopted by the electronic water level control switch is not limited by a power supply, has wider application range and lower manufacturing and using cost, and avoids potential danger of electric shock; compared with most diaphragm type remote control float valves sold in the market, the diaphragm type remote control float valve is simpler to manufacture, small in size, light in weight, lower in cost and wide in application range;

compared with the traditional mode that a sealing strip is installed on a metal valve piece in a manner of wrapping rubber or an O-shaped ring groove, the elastic diaphragm formed by integral injection molding has the advantages of simpler manufacture, more reliable sealing and lower resistance for opening water flow, and can be easily opened under the condition of low water pressure, so that the deformation of the diaphragm is realized under the pressure action of the water flow, and the sealing and the opening of a water flow channel are realized;

the rotation motion of the floating ball connecting rod realizes the lifting motion of the lifting rod through a lever principle, thereby realizing the opening or closing of the pressure relief hole.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an overall sectional view of the present invention.

Illustration of the drawings:

1. a valve body; 2. a valve cover; 3. a water flow channel; 4. a control chamber; 5. a membrane; 6. a lifting rod; 7. a discharge orifice; 8. a connecting rod; 9. a floating ball; 10. a connecting rod; 11. and locking the nut.

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.

Specific examples are given below.

Referring to fig. 1 and 2, a mechanical pressure difference control float water level switch comprises a valve body 1 and a valve cover 2, wherein the valve body 1 is of an L shape and is connected with a water inlet pipe with a vertical water outlet axis, the outer wall of a water inlet of the valve body 1 is provided with a thread matched with the water inlet pipe, the outer wall of the water outlet is provided with a pagoda head which is directly connected with a pipe in an inserting manner, so that the valve body 1 can be rapidly disassembled, the valve body 1 is connected with the valve cover 2 through a bolt, a water flow channel 3 is arranged inside the valve body 1, a diaphragm 5 is arranged between the valve body 1 and the valve cover 2, the valve body 1, the valve cover 2 and a float ball 9 are all made of plastic materials, compared with metal materials, the switch is high in seawater corrosion resistance and wide in use range, the production cost can be greatly reduced due to the use of the plastic materials, the diaphragm 5 is made of rubber, when the float ball 9 pushes the float ball to move up and down through a connecting rod 8, the switch of water flow is realized through the deformation of the diaphragm 5, the use of elastic materials is beneficial to tight water locking, small mechanical abrasion and longer service life, a through hole is arranged at the center of the diaphragm 5, a control cavity 4 is arranged between the valve cover 2 and the diaphragm 5, a discharge hole 7 is arranged inside the valve body 1, the lifting rod 6 penetrates through the discharge hole 7 and is installed in clearance fit with the valve body 1, the lifting rod 6 is made of metal materials, the size of a machined product is controlled, the strength is high, the production is easy, materials can be selected according to different occasions, a clearance for controlling the water flow in the cavity 4 to flow out is arranged between the valve body 1 and the lifting rod 6, one end of the lifting rod 6 is positioned outside the valve body 1 and is connected with one end of the connecting rod 8, the outer end of the lifting rod 6 is provided with the connecting rod 10, the connecting rod 10 is connected with the connecting rod 8 through the locking nut 11, the other end of the connecting rod 8 is rotatably provided with the floating ball 9, the floating ball 9 is connected with the connecting rod 8 through the pin buckle, so as to flexibly replace the floating ball 9 according to different requirements, the float 9 extends out of a small section so as to be fixed to the connecting rod 8 by a pin and to be freely rotatable within a certain angle.

The water level switch comprises the following specific operation steps:

the floater 9 rises along with the water level, when descending, thereby utilize lever principle to drive the motion of lifter 6 through connecting rod 8 and seal or open control chamber 4, when the water level rose, floater 9 come-up, drive connecting rod 10 through connecting rod 8 and remove, it closes to unload orifice 7, the pressure differential in rivers passageway 3 and the control chamber 4 equals, diaphragm 5 seals rivers passageway 3 and closes, when the water level descended, floater 9 sinks, connecting rod 8 drives connecting rod 10 and removes, it opens to unload orifice 7, the water in the control chamber 4 is discharged, control chamber 4 does not form pressure, diaphragm 5 produces deformation under the effect of rivers pressure, water flows from the clearance between diaphragm 5 and the valve body 1.

Compared with a water faucet controlled manually, the water faucet can save labor cost; compared with an electronic water level control switch, the full-mechanical control mode adopted by the electronic water level control switch is not limited by a power supply, has wider application range and lower manufacturing and using cost, and avoids potential danger of electric shock; compared with most diaphragm type remote control floating ball 9 valves sold in the market, the diaphragm type remote control floating ball valve is simpler to manufacture, has small volume, light weight and lower cost, and has wide application range;

compared with the traditional mode that a sealing strip is installed on a metal valve piece in a manner of wrapping rubber or an O-shaped ring groove, the elastic diaphragm 5 formed by integral injection molding is simpler to manufacture, more reliable in sealing and lower in resistance of water flow opening, a water flow switch can be easily opened under the condition of low water pressure, deformation of the diaphragm 5 is realized under the pressure action of water flow, and a water flow channel 3 is sealed and opened;

the rotation motion of the floating ball 9 connecting rod 8 realizes the lifting motion of the lifting rod 6 through a lever principle, thereby realizing the opening or closing of the pressure relief hole.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A mechanical pressure difference control float ball water level switch is characterized by comprising a valve body (1) and a valve cover (2), the valve body (1) is connected with the valve cover (2) through a bolt, a water flow channel (3) is arranged inside the valve body (1), a diaphragm (5) is arranged between the valve body (1) and the valve cover (2), a through hole is arranged at the center of the diaphragm (5), a control cavity (4) is arranged between the valve cover (2) and the diaphragm (5), a discharge hole (7) is arranged inside the valve body (1), and the lifting rod (6) penetrates through the discharging hole (7) and is installed in clearance fit with the valve body (1), a gap for controlling the water flow in the cavity (4) to flow out is arranged between the valve body (1) and the lifting rod (6), one end of the lifting rod (6) is positioned outside the valve body (1) and is connected with one end of the connecting rod (8), and the other end of the connecting rod (8) is rotatably provided with a floating ball (9).

2. The mechanical pressure difference control floating ball water level switch as claimed in claim 1, wherein the valve body (1), the valve cover (2) and the floating ball (9) are all made of plastic material, and the diaphragm (5) is made of rubber material.

3. The mechanical pressure difference control floating ball water level switch as claimed in claim 1, wherein the valve body (1) is L-shaped, the outer wall of the water inlet of the valve body (1) is provided with a thread adapted to the water inlet pipe, and the outer wall of the water outlet is provided with a pagoda head.

4. The mechanical pressure difference control floating ball water level switch as claimed in claim 1, wherein a connecting rod (10) is arranged at the outer end of the lifting rod (6), and the connecting rod (10) is connected with the connecting rod (8) through a locking nut (11).

5. The mechanical differential pressure control float water level switch according to claim 1, characterized in that the float (9) and the connecting rod (8) are snap-connected by a pin.