CN210770580U

CN210770580U - Water level control valve

Info

Publication number: CN210770580U
Application number: CN201921640473.2U
Authority: CN
Inventors: 杨君; 徐丽央
Original assignee: Wenzhou Junyang Technology Co ltd
Current assignee: Wenzhou Junyang Technology Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-16
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to a water level control valve, which comprises a barrel-shaped shell, an upper cover and a floater, wherein the upper cover is provided with a water inlet pipe and a transverse water outlet pipe, the upper cover is provided with a peripheral wall which faces the inner cavity direction of the barrel-shaped shell and is approximately perpendicular to the extension of the upper cover, the area surrounded by the peripheral wall forms a pressure regulating space, the water inlet pipe is communicated with the pressure regulating space, the transverse water outlet pipe forms a longitudinal water outlet in the pressure regulating space, the lower end surface of the peripheral wall is fixedly provided with a pressure regulating plate, the lower part of the pressure regulating plate is hinged with a lever, the lever is provided with a plug, the pressure regulating plate is provided with a pressure relief hole at the position corresponding to the plug, the upper end surface of the pressure regulating plate is provided with an annular wall which extends upwards in the axial direction, the area surrounded by the annular wall is internally provided with an elastic pressure, and the valve clack component and the longitudinal water outlet form opening and closing dynamic connection. Reasonable structure and reliable use.

Description

Water level control valve

Technical Field

The utility model particularly relates to a water level control valve.

Background

As is well known, in the existing market, users often adopt the water storage tank to pre-store water in consideration of troubles caused by water cut-off, so that the water storage tank is very common in use, however, the water level control of the water storage tank is always a problem which is troublesome, in the prior art, the water level control is often realized by adopting a very large floating ball to connect a valve switch through a connecting rod, and the water level control valve with the structure has a very significant defect: the water level control valve is characterized in that the floating ball floats randomly when the water surface rises, the linkage effect of a valve switch (namely an execution element) at the other end of the connecting rod is not optimistic, and the water level control is easy to lose efficacy.

Disclosure of Invention

An object of the utility model is to overcome prior art's defect, provide a water level control valve rational in infrastructure, use reliable.

In order to achieve the purpose, the utility model discloses a water level control valve, including barrel-shaped casing and install upper cover and setting up on barrel-shaped casing and set up in barrel-shaped casing, and with barrel-shaped casing forms the float of vertical slip connection, the opening has been seted up to the bottom of barrel-shaped casing, the upper cover has inlet tube and horizontal outlet pipe, on cover have towards the inner chamber direction of barrel-shaped casing, be roughly perpendicular to the perisporium that the upper cover extends, the region that the perisporium surrounds forms the pressure regulating space, the inlet tube with the pressure regulating space intercommunication, horizontal outlet pipe in form vertical delivery port in the pressure regulating space, fixed mounting has the pressure regulating plate on the terminal surface of perisporium lower extreme, the below of pressure regulating plate articulates there is the lever, be provided with the jam on the lever, with the jam corresponding position has seted up the pressure release hole on the pressure regulating plate, the upper end face of the pressure regulating plate is provided with an annular wall, the annular wall extends upwards in the pressure regulating space, an elastic pressure spring is arranged in an area surrounded by the annular wall, the upper end of the elastic pressure spring is abutted with a valve clack assembly, and the detailed specific structure of the valve clack assembly is described as follows: the valve clack assembly comprises a positioning plate and a sealing film, the sealing film is provided with an inwards concave positioning groove, a positioning ring is formed at the peripheral side position of the positioning groove, and an insertion hole is formed at the bottom of the positioning groove close to the middle position; the positioning plate is provided with an annular sealing main body matched with the positioning groove, an annular sealing flange is formed at the edge position of the lower end of the annular sealing main body, an axially extending positioning boss penetrating through the jack is arranged at the position corresponding to the jack on the upper end face of the annular sealing main body, an umbrella-shaped sealing edge used for sealing the jack is formed on the circumferential side of the positioning boss, and the valve clack assembly drives the umbrella-shaped sealing edge to be in open-close dynamic connection with the jack through axial deviation of the positioning plate. Meanwhile, in order to further avoid the influence on the sealing effect caused by the radial deviation of the sealing film and avoid the poor sealing effect caused by the long-term use of the sealing film during aging, the elastic pressure spring serving as an auxiliary sealing effect abuts the valve clack assembly at the position of the longitudinal water outlet in an elastic connection mode, and the elastic pressure spring is provided with a limiting rod which axially extends and penetrates through the sealing film and the positioning plate.

The utility model discloses in, it is further right as the further concrete description of the sliding structure of float, have two at least radial indents on the interior circumference wall of barrel-shaped casing and the erection column that forms, it is used for the fastening to set up on the up end of erection column the mounting hole of pressure regulating plate, on the float, with the corresponding position of erection column forms the spout, the float passes through the spout with the cooperation of erection column and form axial in the barrel-shaped casing slides and connects.

Through the improvement of the technical scheme of the prior art, the technical personnel in the field can obviously know that the floater is limited in the barrel-shaped shell, so the randomness of the floater floating on the water surface is avoided, when the floater rises along with rising water, the floater pushes the lever to move upwards due to the buoyancy of the water, further the pressure relief hole is blocked by the blockage on the lever, at the moment, the water entering from the water inlet pipe cannot be discharged from the pressure relief hole, and is continuously accumulated in the pressure regulating space until the positioning plate is jacked upwards by the water pressure, the sealing membrane is tightly jacked at the position of the longitudinal water outlet, the water flow is blocked, and the water flow between the water inlet pipe and the transverse water outlet pipe is cut off; when the water level in the water storage tank is lowered, the floater is lowered along with the water level, the lever is lowered along with the water level, the blockage and the pressure relief hole are in a loose state, at the moment, water in the pressure regulating space is discharged from the pressure relief hole, the positioning plate is caused to deflect downwards, the sealing between the sealing film and the longitudinal water outlet is made to be invalid, and therefore secondary water flow circulation between the water inlet pipe and the transverse water outlet pipe is achieved; can know through above-mentioned theory of operation description, the utility model discloses an effect not only embodies on the floated reliable stability of float, especially by the structure setting of float and lever separation, has guaranteed the float and has floated the latent mechanical fatigue damage of in-process to the lever, makes the utility model discloses a water level control valve has reached rational in infrastructure, the reliable beneficial effect of use.

Drawings

Fig. 1 is a perspective view of the embodiment 1.

Fig. 2 is an exploded perspective view of fig. 1.

FIG. 3 is a schematic semi-sectional view of embodiment 1.

Fig. 4 is a schematic perspective view of the valve flap assembly of embodiment 1.

Fig. 5 is an exploded perspective view of the valve flap assembly of embodiment 1.

FIG. 6 is a schematic perspective view of a sealing film in example 1.

Fig. 7 is a schematic front view of embodiment 2.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Example 1:

as shown in fig. 1-6, the present embodiment employs a water level control valve, which is shown by a combination 2 in fig. 1, the water level control valve includes a barrel-shaped housing 1, an upper cover 2 mounted on the barrel-shaped housing 1, and a float 3 disposed in the barrel-shaped housing 1 and forming a longitudinal sliding connection with the barrel-shaped housing 1, an opening 10 is opened at the bottom of the barrel-shaped housing 1, the upper cover 2 has a water inlet pipe 20 and a transverse water outlet pipe 21, the upper cover 2 has a peripheral wall 22 extending substantially perpendicular to the upper cover 2 and facing the inner cavity of the barrel-shaped housing 1, a pressure regulating space 23 is formed in the area surrounded by the peripheral wall 22, as shown in fig. 3, the water inlet pipe 20 is communicated with the pressure regulating space 23, the transverse water outlet pipe 21 forms a longitudinal water outlet 210 in the pressure regulating space 23, a pressure regulating plate 24 is fixedly mounted on the lower end surface of the peripheral wall 22, a lever 240 is hinged below the pressure regulating plate 24, as further shown in fig. 2, the lever 240 and the pressure regulating plate 24 are hinged by a hinge rod 241 disposed at one side edge of the pressure regulating plate 24, a plug 2400 is disposed on the lever 240, a pressure relief hole 242 is disposed at a position on the pressure regulating plate 24 corresponding to the plug 2400, an annular wall 243 axially extending upward into the pressure regulating space 23 is disposed on an upper end surface of the pressure regulating plate 24, an elastic pressure spring 4 is disposed in a region surrounded by the annular wall 243, and an upper end of the elastic pressure spring 4 abuts against a valve flap assembly 5, in this embodiment, as shown in fig. 4 and 5, the detailed specific structure of the valve flap assembly 5 is described as follows: the valve flap assembly 5 comprises a positioning plate 51 and a sealing film 50, and further, as can be seen from fig. 6, a concave positioning groove 500 is formed on the lower end surface of the sealing film 50, a positioning ring 501 is formed at the peripheral side position of the positioning groove 500, and an insertion hole 502 is formed at the bottom of the positioning groove 500 near the middle position; the positioning plate 51 is provided with an annular sealing main body 510 matched with the positioning groove 500, an annular sealing flange 511 is formed at the lower end edge position of the annular sealing main body 510, a positioning boss 512 which axially extends and passes through the insertion hole 502 is arranged at a position corresponding to the insertion hole 502 on the upper end surface of the annular sealing main body 510, an umbrella-shaped sealing edge 5120 used for sealing the longitudinal water outlet 210 is formed at the circumferential side of the positioning boss 512, the valve flap assembly 5 drives the umbrella-shaped sealing edge 5120 to be dynamically connected with the longitudinal water outlet 210 in an opening and closing manner through the axial deviation of the positioning plate 51, and meanwhile, a sealing film 50 is connected with the longitudinal water outlet 210 in an opening and closing manner; meanwhile, in the embodiment, in order to further avoid the radial deviation of the sealing membrane 50 from affecting the sealing effect and avoid the poor sealing effect when the sealing membrane 50 is aged due to long-term use, an elastic pressure spring 4 serving as an auxiliary sealing effect abuts the valve flap assembly 5 at the position of the longitudinal water outlet 210 in an elastic connection manner, and the elastic pressure spring 4 is provided with a limiting rod 40 which extends axially and penetrates through the sealing membrane 50 and the positioning plate 51; in this embodiment, the specific sliding connection structure of the float in the barrel-shaped housing is as follows: the inner circumferential wall of the barrel-shaped shell 1 is provided with two mounting columns 11 which are formed by inwards recessing in the radial direction, the upper end surfaces of the mounting columns 11 are provided with mounting holes 110 for fastening the pressure regulating plate 24, sliding grooves 30 are formed on the floater 3 at positions corresponding to the mounting columns 11, and the floater 3 is connected in the barrel-shaped shell 1 in an axial sliding mode through the matching of the sliding grooves 30 and the mounting columns 11.

Example 2:

as can be seen from fig. 7, the difference between the embodiment 2 and the embodiment 1 is only that the arrangement direction of the water inlet pipe 20 is different, the water inlet pipe in the embodiment 1 is horizontally arranged, and the water inlet pipe in the embodiment 2 is longitudinally arranged perpendicular to the upper cover 2.

In the above embodiment, the working process and principle of the water level control valve are described as follows: when the floater 3 rises along with rising water in the water storage tank, the floater 3 pushes the lever 240 to move upwards due to the buoyancy of the water, so that the blockage 2400 on the lever 240 blocks the pressure relief hole 242, at the moment, the water entering from the water inlet pipe 20 cannot be discharged from the pressure relief hole 242, and is continuously accumulated in the pressure regulating space 23 until the positioning plate 51 is jacked upwards by the water pressure, the sealing membrane 50 is tightly jacked at the position of the longitudinal water outlet 210 to block the water flow, and the water flow between the water inlet pipe 20 and the transverse water outlet pipe 21 is cut off; when the water level in the water storage tank drops, the floater 3 drops along with the water level, the lever 240 also drops along with the water level, the plug 2400 and the pressure relief hole 242 are in a loose state, at the moment, water in the pressure regulating space 23 is drained from the pressure relief hole 242, the positioning plate 51 is further caused to deflect downwards, the sealing between the sealing film and the longitudinal water outlet 210 is made to be invalid, and therefore the water flow between the water inlet pipe 20 and the transverse water outlet pipe 21 is enabled to circulate again.

The basic principles and main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and the above-described embodiments and the description only illustrate the principle of the present invention, and that there are various changes and modifications of the present invention, which are introduced by the spirit of the technical solution of the present invention and fall within the scope of the claims of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A water level control valve comprises a barrel-shaped shell, an upper cover arranged on the barrel-shaped shell, and a floater which is arranged in the barrel-shaped shell and is connected with the barrel-shaped shell in a longitudinal sliding mode, wherein the bottom of the barrel-shaped shell is provided with an opening, the upper cover is provided with a water inlet pipe and a transverse water outlet pipe, and the water level control valve is characterized in that: the upper cover is provided with a peripheral wall which faces the direction of an inner cavity of the barrel-shaped shell and extends approximately perpendicular to the upper cover, a pressure regulating space is formed in an area surrounded by the peripheral wall, the water inlet pipe is communicated with the pressure regulating space, the transverse water outlet pipe forms a longitudinal water outlet in the pressure regulating space, a pressure regulating plate is fixedly mounted on the lower end face of the peripheral wall, a lever is hinged below the pressure regulating plate, a plug is arranged on the lever, a pressure relief hole is formed in a position, corresponding to the plug, on the pressure regulating plate, the upper end face of the pressure regulating plate is provided with an annular wall which extends upwards in the pressure regulating space in the axial direction, an elastic pressure spring is arranged in the area surrounded by the annular wall, the upper end of the elastic pressure spring is abutted to a valve clack component, and the valve clack component is dynamically connected.

2. A water level control valve as defined in claim 1, wherein: the valve clack assembly comprises a positioning plate and a sealing film, the sealing film is provided with an inwards concave positioning groove, a positioning ring is formed at the peripheral side position of the positioning groove, and an insertion hole is formed at the bottom of the positioning groove close to the middle position; the locating plate have with the sealed main part of annular of positioning groove adaptation, the lower extreme border position of the sealed main part of annular forms the sealed flange of annular, on the up end of the sealed main part of annular, with the position that the jack corresponds has axial extension, and passes the location boss of jack, the circumference side of location boss forms and is used for sealing the umbrella-type banding of jack, the valve clack subassembly passes through the axial skew of locating plate and drives the umbrella-type banding is right the jack forms the dynamic connection that opens and shuts.

3. A water level control valve as defined in claim 2, wherein: and the elastic pressure spring is provided with a limiting rod which extends axially and penetrates through the sealing film and the positioning plate.

4. A water level control valve according to claim 1 or 2, wherein: the circumferential wall of the barrel-shaped shell is provided with at least two mounting columns which are formed by inward recessing in the radial direction, the upper end face of each mounting column is provided with a mounting hole for fastening the pressure regulating plate, a sliding groove is formed in the position, corresponding to the mounting columns, of the floater, and the floater is connected with the mounting columns in an axial sliding mode in the barrel-shaped shell through the matching of the sliding groove and the mounting columns.

5. A water level control valve according to claim 3, wherein: the inner circumferential wall of the barrel-shaped shell is provided with at least two mounting columns which are formed by inwards recessing in the radial direction, the upper end face of each mounting column is provided with a mounting hole for fastening the pressure regulating plate, a sliding groove is formed in the position, corresponding to the mounting columns, of the floater, and the floater is connected in the barrel-shaped shell in an axial sliding mode through the matching of the sliding groove and the mounting columns.