CN212657310U

CN212657310U - Mini pressure reducing valve with switch

Info

Publication number: CN212657310U
Application number: CN202020222636.1U
Authority: CN
Inventors: 潘勇
Original assignee: Ningbo Idc International Trade Co ltd
Current assignee: Ningbo Idc International Trade Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2021-03-05
Anticipated expiration: 2030-02-27

Abstract

The utility model discloses a mini relief pressure valve of band-pass switch, which comprises a valve body, the left side of valve body and right side communicate respectively has into water end and second and go out the water end, and the lower extreme intercommunication of valve body has first water end, be equipped with movable valve rod in the valve body, the upper end of movable valve rod is connected with fixed valve rod, be equipped with the diaphragm between the lower extreme of fixed valve rod and the movable valve rod, be equipped with the case between movable valve rod and the valve body, the lower extreme and the movable valve rod of case offset, the upper end and the diaphragm of case offset, the cover is equipped with the spring on the fixed valve rod, the outside cover of spring is equipped with mini relief pressure valve cap, be equipped with adjusting screw between fixed valve rod and the mini relief pressure valve cap, adjusting screw's lower extreme is equipped with the adjusting. The mini pressure reducing valve with the switch is simple and mini in design, product cost is saved, stability of water pressure at a water outlet end is guaranteed, and using efficiency is improved.

Description

Mini pressure reducing valve with switch

Technical Field

The utility model relates to a relief pressure valve technical field specifically is mini relief pressure valve of band switch.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction. Then, the fluctuation of the pressure behind the valve is balanced with the spring force by means of the regulation of the control and regulation system, so that the pressure behind the valve is kept constant within a certain error range.

The pressure reducing valve is used for reducing and balancing the internal pressure of the pipeline in the water supply system, and the pressure reducing valve automatically adjusts when the pressure is overlarge, so that the household water supply system works normally. The mini pressure reducing valve is especially designed for small systems such as villas and the like, and can protect the water storage type water heater with special requirements on installation size and silence.

The existing pressure reducing valve is large in size, so that the installation and the use are inconvenient, the design is complex, the production cost is increased, the water pressure of a water outlet end can change due to the change of a water inlet end, the pressure of the water outlet end is unstable, and the mini pressure reducing valve with the switch is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mini relief pressure valve of band switch to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: mini relief pressure valve with switch, including the valve body, the left side and the right side of valve body communicate respectively has water inlet end and second to go out water end, and the lower extreme intercommunication of valve body has first water end, be equipped with movable valve rod in the valve body, the upper end of movable valve rod is connected with fixed valve rod, be equipped with the diaphragm between the lower extreme of fixed valve rod and the movable valve rod, be equipped with the case between movable valve rod and the valve body, the lower extreme and the movable valve rod of case offset, the upper end and the diaphragm of case offset, the cover is equipped with the spring on the fixed valve rod, the outside cover of spring is equipped with mini relief pressure valve cap, be equipped with adjusting screw between fixed valve rod and the mini relief pressure valve cap, adjusting screw's lower extreme is equipped with the adjusting nut that corresponds with adjusting screw, the upper end of mini relief pressure valve cap is equipped with the handle, be equipped with switching spline, the lower extreme and the mini relief pressure valve cap fixed connection of switching spline tooth, the upper end and the handle of switching spline tooth offset, be equipped with set screw between handle and the fixed valve rod, pass through set screw fixed connection between handle and the fixed valve rod.

Preferably, a check core is arranged in the first water outlet end, the check core is fixed in the valve body, a check ring is arranged at the upper end of the check core, a blocking groove corresponding to the check ring is arranged on the inner side wall of the first water outlet end, and the check ring is embedded in the blocking groove.

Preferably, the end of intaking of valve body is connected with movable nut, be equipped with the gasket between movable nut and the valve body, the gasket offsets with the movable nut inside wall, the gasket is the loop configuration, be equipped with the jump ring between movable nut and the valve body, be equipped with the draw-in groove that corresponds with the jump ring on the lateral wall of valve body, the jump ring cover is established in the draw-in groove.

Preferably, a first O-shaped ring is arranged between the movable valve rod and the valve core, a second O-shaped ring is arranged between the valve body and the valve core, and the first O-shaped ring is positioned at the upper end of the second O-shaped ring.

Preferably, the filter screen is fixedly connected in the water inlet end and the second water outlet end which are communicated with the left side and the right side of the valve body.

Preferably, the lower end of the movable valve rod is fixedly connected with a gasket seat, and a sealing gasket is fixedly connected between the gasket seat and the movable valve rod.

Preferably, a multifunctional hole is formed in the outer side wall of the valve body, a side blocking cap is arranged in the multifunctional hole, a side sealing gasket is fixed between the side blocking cap and the valve body, and the multifunctional hole is externally connected with a pressure gauge, a pipeline or a maintenance hole.

Compared with the prior art, the beneficial effects of the utility model are that: this scheme has designed mini relief pressure valve of band switch, this device passes through spring and hydraulic interact, use adjusting nut with pressure regulation to a setting value, first water outlet end can not change because of the water pressure change of intaking the end, first water outlet end remains the settlement pressure throughout unchangeable, the second water outlet end does not receive the spring action, pressure is equal to intake end pressure, if connect tap etc. the switch through the handle only controls opening and closing of first water outlet end, after reducing pressure through multi-functional hole, not the time spent can block up, detect pressure through external manometer, this mini relief pressure valve of band switch design retrencies, it is mini, product cost has been practiced thrift, and the water pressure stability of water outlet end has been guaranteed, and the use efficiency is improved.

Drawings

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

FIG. 2 is a schematic sectional view of the inner structure of the multifunctional hole of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the present invention;

fig. 4 is a schematic diagram of the three-dimensional explosion structure of the present invention.

In the figure: the device comprises a fixing screw 1, a handle 2, a switching spline tooth 3, a mini pressure reducing valve bonnet 4, an adjusting screw 5, an adjusting nut 6, a spring 7, a fixed valve rod 8, a movable valve rod 9, a diaphragm 10, a valve core 11, a filter screen 12, a valve body 13, a sealing gasket 14, a gasket seat 15, a check ring 16, a check core 17, a movable nut 18, a gasket 19, a snap spring 20, a first O-shaped ring 21, a second O-shaped ring 22, a sealing gasket at the side 23 and a blocking cap at the side 24.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a mini pressure reducing valve with a switch comprises a valve body 13, wherein the left side and the right side of the valve body 13 are respectively communicated with a water inlet end and a second water outlet end, the second water outlet end is not affected by a spring 7, the pressure is equal to the pressure of the water inlet end, such as a water tap and the like, the lower end of the valve body 13 is communicated with a first water outlet end, a movable valve rod 9 is arranged in the valve body 13, the upper end of the movable valve rod 9 is connected with a fixed valve rod 8, a diaphragm 10 is arranged between the lower end of the fixed valve rod 8 and the movable valve rod 9, a valve core 11 is arranged between the movable valve rod 9 and the valve body 13, the lower end of the valve core 11 is abutted against the movable valve rod 9, the upper end of the valve core 11 is abutted against the diaphragm 10, the fixed valve rod 8 is sleeved with the spring 7, the outer side of the spring 7 is sleeved with a mini pressure reducing valve cap 4, an adjusting, spring 7 and hydraulic interact, use adjusting nut 6 to adjust pressure to a setting value, first water outlet end can not change because of the water pressure change of the end of intaking, first water outlet end remains the settlement pressure throughout unchangeable, the upper end of mini relief pressure valve cap 4 is equipped with handle 2, be equipped with switching spline tooth 3 between handle 2 and the mini relief pressure valve cap 4, switching spline tooth 3's lower extreme and mini relief pressure valve cap 4 fixed connection, switching spline tooth 3's upper end offsets with handle 2, be equipped with set screw 1 between handle 2 and the fixed valve rod 8, through set screw 1 fixed connection between handle 2 and the fixed valve rod 8, the switch of handle 2 only controls opening and closing of first water outlet end.

In the device, a non-return core 17 is arranged in the first water outlet end, the non-return core 17 is fixed in the valve body 13, a retaining ring 16 is arranged at the upper end of the non-return core 17, a retaining groove corresponding to the retaining ring 16 is arranged on the inner side wall of the first water outlet end, and the retaining ring 16 is embedded in the retaining groove and used for preventing water flow at the first water outlet end from flowing back; the water inlet end of the valve body 13 is connected with a movable nut 18, a gasket 19 is arranged between the movable nut 18 and the valve body 13, the gasket 19 abuts against the inner side wall of the movable nut 18, the gasket 19 is of an annular structure, a clamp spring 20 is arranged between the movable nut 18 and the valve body 13, a clamp groove corresponding to the clamp spring 20 is arranged on the outer side wall of the valve body 13, and the clamp spring 20 is sleeved in the clamp groove to realize stable connection of the water inlet end and external equipment; a first O-ring 21 is arranged between the movable valve rod 9 and the valve core 11, a second O-ring 22 is arranged between the valve body 13 and the valve core 11, the first O-ring 21 is positioned at the upper end of the second O-ring 22, and the first O-ring 21 and the second O-ring 22 are used for improving the sealing performance between the movable valve rod 9 and the valve core 11 and the sealing performance between the valve body 13 and the valve core 11; a filter screen 12 is fixedly connected in the water inlet end and the second water outlet end which are communicated with the left side and the right side of the valve body 13 and is used for filtering water flow which flows out of the second water outlet end from the water inlet end; the lower end of the movable valve rod 9 is fixedly connected with a gasket seat 15, a sealing gasket 14 is fixedly connected between the gasket seat 15 and the movable valve rod 9, the sealing gasket 14 is used for improving the sealing performance of the lower end of the movable valve rod 9, and the gasket seat 5 is used for installing the sealing gasket 14; the multifunctional hole has been seted up on the lateral wall of valve body 13, multifunctional hole is downthehole to be equipped with side stifled cap 24, is fixed with side seal gasket 23 between side stifled cap 24 and the valve body 13, and the external manometer of multifunctional hole, pipeline or access hole, after decompressing through multifunctional hole, the time spent can be stopped up, detects pressure through external manometer.

This scheme has designed mini relief pressure valve of band switch, this device passes through spring 7 and hydraulic interact, use adjusting nut 6 to a setting value with pressure regulation, first water outlet end can not change because of the water pressure change of the end of intaking, first water outlet end remains the settlement pressure throughout unchanged, the second water outlet end does not receive spring 7 effect, pressure is equal to intake end pressure, if connect water tap etc, only control opening and closing of first water outlet end through the switch of handle 2, after the decompression through multi-functional hole, not the time spent can block up, detect pressure through external manometer, this mini relief pressure valve of band switch design is retrencied, it is mini, product cost is practiced thrift, and the water pressure stability of water outlet end has been guaranteed, and the use efficiency is improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Mini relief pressure valve of area switch, including valve body (13), its characterized in that: the left side and the right side of valve body (13) communicate respectively and have into water end and second and go out the water end, and the lower extreme intercommunication of valve body (13) has first water end, be equipped with movable valve rod (9) in valve body (13), the upper end of movable valve rod (9) is connected with fixed valve rod (8), be equipped with diaphragm (10) between the lower extreme of fixed valve rod (8) and movable valve rod (9), be equipped with case (11) between movable valve rod (9) and valve body (13), the lower extreme and the movable valve rod (9) of case (11) offset, the upper end and diaphragm (10) of case (11) offset, the cover is equipped with spring (7) on fixed valve rod (8), the outside cover of spring (7) is equipped with mini relief pressure valve cap (4), be equipped with adjusting screw (5) between fixed valve rod (8) and the mini relief pressure valve cap (4), the lower extreme of adjusting screw (5) is equipped with adjusting nut (6) that corresponds with adjusting screw (5), the upper end of mini relief pressure valve cap (4) is equipped with handle (2), be equipped with switching spline tooth (3) between handle (2) and mini relief pressure valve cap (4), the lower extreme and mini relief pressure valve cap (4) fixed connection of switching spline tooth (3), the upper end and handle (2) of switching spline tooth (3) offset, be equipped with set screw (1) between handle (2) and fixed valve rod (8), through set screw (1) fixed connection between handle (2) and fixed valve rod (8).

2. The switching mini pressure relief valve as in claim 1, wherein: be equipped with in the first water outlet end and prevent contrary core (17), it fixes in valve body (13) to prevent contrary core (17), the upper end that prevents contrary core (17) is equipped with retaining ring (16), be equipped with the retaining groove that corresponds with retaining ring (16) on the first water outlet end inside wall, retaining ring (16) are embedded in the retaining groove.

3. The switching mini pressure relief valve as in claim 1, wherein: the utility model discloses a valve structure, including valve body (13), the end of intaking of valve body (13) is connected with movable nut (18), be equipped with gasket (19) between movable nut (18) and valve body (13), gasket (19) offset with movable nut (18) inside wall, gasket (19) are the loop configuration, be equipped with jump ring (20) between movable nut (18) and valve body (13), be equipped with the draw-in groove that corresponds with jump ring (20) on the lateral wall of valve body (13), jump ring (20) cover is established in the draw-in groove.

4. The switching mini pressure relief valve as in claim 1, wherein: a first O-shaped ring (21) is arranged between the movable valve rod (9) and the valve core (11), a second O-shaped ring (22) is arranged between the valve body (13) and the valve core (11), and the first O-shaped ring (21) is located at the upper end of the second O-shaped ring (22).

5. The switching mini pressure relief valve as in claim 1, wherein: the filter screen (12) is fixedly connected in the water inlet end and the second water outlet end which are communicated with the left side and the right side of the valve body (13).

6. The switching mini pressure relief valve as in claim 1, wherein: the lower end of the movable valve rod (9) is fixedly connected with a gasket seat (15), and a sealing gasket (14) is fixedly connected between the gasket seat (15) and the movable valve rod (9).

7. The switching mini pressure relief valve as in claim 1, wherein: the multifunctional hole is formed in the outer side wall of the valve body (13), a side blocking cap (24) is arranged in the multifunctional hole, a side sealing gasket (23) is fixed between the side blocking cap (24) and the valve body (13), and the multifunctional hole is externally connected with a pressure gauge, a pipeline or an access hole.