CN211117829U

CN211117829U - Adjustable pressure reducing valve

Info

Publication number: CN211117829U
Application number: CN201922274325.XU
Authority: CN
Inventors: 孟令发
Original assignee: Dayu Valve Manufacturing Tianjin Co ltd
Current assignee: Dayu Valve Manufacturing Tianjin Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-07-28
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses an adjustability relief pressure valve, which comprises a valve body, the valve gap is installed at the top of valve body, first manometer and second manometer are installed respectively to the top of inlet tube and play water pipe outer wall, the center of valve body is provided with the valve rod, the case is installed at the center of valve rod bottom, the top fixedly connected with installation piece of clamp splice, the spring coil has been cup jointed at the top of valve rod outer wall, the spacing sealed piece corresponding with the spring coil is installed at the top of valve rod outer wall, the center at valve gap top is provided with the adjusting bolt corresponding with the valve rod. The utility model discloses in, this controllability relief pressure valve not only the design has automatic pressure regulating mechanism, has still designed multiple manual pressure regulating mechanism, under the too big condition of inlet tube flow pressure, can come to lock the location to the position of case through manual adjustment mechanism to reach better pressure control effect, work efficiency improves greatly, is worth wideling popularize.

Description

Adjustable pressure reducing valve

Technical Field

The utility model relates to a relief pressure valve technical field especially relates to an adjustability relief pressure valve.

Background

The pressure reducing valve is a valve which can reduce the inlet pressure to a certain required outlet pressure by regulation and can automatically keep the outlet pressure stable by means of the energy of the medium, from the viewpoint of hydromechanics, the pressure reducing valve is a throttling element with changeable local resistance, i.e. the flow rate and the kinetic energy of the fluid are changed by changing the throttling area, so as 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 a control and regulation system, so that the pressure behind the valve is kept constant within a certain error range, the pressure reducing valve is a special device for automatically reducing the working pressure of a pipeline, and can reduce the higher liquid pressure of the pipeline in front of the valve to the level required by the pipeline behind the valve, wherein the transmission medium is mainly water, and the pressure reducing valve is widely used in high-rise buildings and regions with overhigh water pressure of urban water supply pipelines, The pressure reducing valve has the advantages that the pressure reducing valve can improve the system operation condition and potential water saving effect, the water saving effect is about 30% according to statistics, the structure types of the pressure reducing valve are many, and the prior common pressure reducing valve is in a film type, an inner spring piston type and the like.

The pressure reducing valve is a commonly used flow regulating valve in our lives, and is widely applied to various fields due to the excellent characteristics of the pressure reducing valve, but the existing pressure reducing valve in the market has certain defects in structural design, poor regulating performance and easy damage, so that a novel adjustable pressure reducing valve is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable pressure reducing valve.

In order to achieve the above purpose, the utility model adopts the following technical scheme: an adjustable pressure reducing valve comprises a valve body, wherein a valve cover is installed at the top of the valve body, a water inlet pipe and a water outlet pipe are respectively installed at two ends of the valve body, a first pressure gauge and a second pressure gauge are respectively installed at the tops of the outer walls of the water inlet pipe and the water outlet pipe, a valve rod is arranged at the center of the valve body, a valve core is installed at the center of the bottom of the valve rod, a clamping block is fixedly connected with the center of the outer wall of the valve rod, an installation block is fixedly connected with the top of the clamping block, a spring ring is sleeved at the top of the outer wall of the valve rod, a limiting sealing block corresponding to the spring ring is installed at the top of the outer wall of the valve rod, a sliding groove corresponding to the valve rod is formed in the center of the top of the valve cover, an adjusting bolt corresponding to the valve, and the center of the outer wall of the flow regulating water pipe is provided with a regulating valve.

As a further description of the above technical solution:

the valve cover is fixedly connected with the valve body through a plurality of fixing bolts.

As a further description of the above technical solution:

and the outer wall of the valve core is sleeved with a sealing ring.

As a further description of the above technical solution:

the balancing weight is installed at the center of the clamping block and is fixedly connected with the clamping block through a plurality of fixing screws.

As a further description of the above technical solution:

the center of the bottom of the valve cover is provided with a through hole corresponding to the valve rod, and the valve rod penetrates through the through hole and extends to the center of the sliding groove.

As a further description of the above technical solution:

and a threaded hole corresponding to the adjusting bolt is formed in the center of the top of the valve cover, and the threaded hole is communicated with the sliding groove.

The utility model discloses following beneficial effect has: 1. the utility model provides an adjustable relief pressure valve compares with traditional device, the device simple structure, convenient and practical through the simple manual adjustment mechanism of design, has both guaranteed the work efficiency of relief pressure valve, has also reduced the use risk simultaneously.

2. The device compares with traditional device, and its structure and design all have great innovation and improvement, and this controllability relief pressure valve not only design has automatic pressure regulating mechanism, has still designed multiple manual pressure regulating mechanism, under the too big condition of inlet tube flow pressure, can come to lock the location to the position of case through manual adjustment mechanism to reach better pressure control effect, work efficiency improves greatly, is worth wideling popularize.

Drawings

Fig. 1 is a front view structural diagram of an adjustable pressure reducing valve according to the present invention;

fig. 2 is a schematic view of an installation structure of an adjustable pressure reducing valve counterweight block according to the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 1.

Illustration of the drawings:

1. a valve body; 2. a valve cover; 3. a water inlet pipe; 4. a water outlet pipe; 5. a first pressure gauge; 6. a second pressure gauge; 7. a valve stem; 8. a valve core; 9. a clamping block; 10. a balancing weight; 11. mounting blocks; 12. a spring ring; 13. a chute; 14. a limit sealing block; 15. adjusting the bolt; 16. a flow regulating water pipe; 17. and adjusting the valve.

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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides an embodiment: an adjustable pressure reducing valve comprises a valve body 1, a valve cover 2 is installed at the top of the valve body 1, a water inlet pipe 3 and a water outlet pipe 4 are installed at two ends of the valve body 1 respectively, a first pressure gauge 5 and a second pressure gauge 6 are installed at the tops of the outer walls of the water inlet pipe 3 and the water outlet pipe 4 respectively, a valve rod 7 is arranged at the center of the valve body 1, a valve core 8 is installed at the center of the bottom of the valve rod 7, a clamping block 9 is fixedly connected with the center of the outer wall of the valve rod 7, an installation block 11 is fixedly connected with the top of the clamping block 9, a spring ring 12 is sleeved at the top of the outer wall of the valve rod 7, a limiting sealing block 14 corresponding to the spring ring 12 is installed at the top of the outer wall of the valve rod 7, a chute 13 corresponding to the valve rod 7 is arranged at the center of the top of the valve cover 2, an adjusting, the center of the outer wall of the flow regulating water pipe 16 is provided with a regulating valve 17.

The valve cover 2 is fixedly connected with the valve body 1 through a plurality of fixing bolts, and the valve cover is convenient to detach and install through the fixing bolts.

The outer wall of the valve core 8 is sleeved with a sealing ring, and the sealing performance of the valve core 8 can be achieved by adding the sealing ring.

The balancing weight 10 is installed at the center of the clamping block 9, and the balancing weight 10 is fixedly connected with the clamping block 9 through a plurality of fixing screws, so that the appropriate balancing weight 10 can be selected and installed according to the flow and pressure in the pipeline.

The center of the bottom of the valve cover 2 is provided with a through hole corresponding to the valve rod 7, and the valve rod 7 penetrates through the through hole and extends to the center of the sliding groove 13.

The center of the top of the valve cover 2 is provided with a threaded hole corresponding to the adjusting bolt 15, and the threaded hole is communicated with the sliding groove 13.

The working principle is as follows: the utility model provides an adjustable pressure reducing valve has great improvement innovation with traditional device, when using this adjustable pressure reducing valve, after we install this valve body 1 on the pipeline that needs the regulation flow, rivers in the inlet tube 3 can jack up case 8 under the effect of pressure, thereby make rivers get into outlet pipe 4, we can also carry out appropriate manual regulation through observing the pressure value of first manometer 5 and second manometer 6 simultaneously, when the pressure in the inlet tube 3 is too big, spring coil 12 is under the serious circumstances of pressurized, we can open governing valve 17 manually, thereby make some water currents in the inlet tube 3 flow through flow control water pipe 16 and carry out in valve gap 2, and strike clamp 9 downwards, thereby reduce the pressure of spring coil 12, also can control the water pressure flow in the outlet pipe 4 simultaneously, under the condition that also can't reduce the pressure through the regulation of flow control water pipe 16, the bottom end of the adjusting bolt 15 is abutted against the top of the valve rod 7 by adjusting the adjusting bolt, and the position of the valve core 8 is locked and positioned, so that the function of controlling and adjusting the pressure in the water outlet pipe 4 is realized.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An adjustable pressure reducing valve comprising a valve body (1), characterized in that: the valve cover (2) is installed at the top of the valve body (1), the water inlet pipe (3) and the water outlet pipe (4) are installed at the two ends of the valve body (1) respectively, the first pressure gauge (5) and the second pressure gauge (6) are installed at the top of the outer wall of the water inlet pipe (3) and the top of the outer wall of the water outlet pipe (4) respectively, the valve rod (7) is arranged at the center of the valve body (1), the valve core (8) is installed at the center of the bottom of the valve rod (7), the clamping block (9) is fixedly connected to the center of the outer wall of the valve rod (7), the installation block (11) is fixedly connected to the top of the clamping block (9), the spring ring (12) is sleeved at the top of the outer wall of the valve rod (7), the limiting sealing block (14) corresponding to the spring ring (12) is installed at the top, the center at valve gap (2) top is provided with adjusting bolt (15) corresponding with valve rod (7), flow control water pipe (16) are installed to one side at valve gap (2) top, the one end that valve gap (2) were kept away from in flow control water pipe (16) communicates with valve body (1) each other, governing valve (17) are installed at the center of flow control water pipe (16) outer wall.

2. An adjustable pressure relief valve as claimed in claim 1, wherein: the valve cover (2) is fixedly connected with the valve body (1) through a plurality of fixing bolts.

3. An adjustable pressure relief valve as claimed in claim 1, wherein: and the outer wall of the valve core (8) is sleeved with a sealing ring.

4. An adjustable pressure relief valve as claimed in claim 1, wherein: and a balancing weight (10) is installed at the center of the clamping block (9), and the balancing weight (10) is fixedly connected with the clamping block (9) through a plurality of fixing screws.

5. An adjustable pressure relief valve as claimed in claim 1, wherein: the valve is characterized in that a through hole corresponding to the valve rod (7) is formed in the center of the bottom of the valve cover (2), and the valve rod (7) penetrates through the through hole and extends to the center of the sliding groove (13).

6. An adjustable pressure relief valve as claimed in claim 1, wherein: the center of the top of the valve cover (2) is provided with a threaded hole corresponding to the adjusting bolt (15), and the threaded hole is communicated with the sliding groove (13).