CN219221388U

CN219221388U - Stainless steel pressure reducing valve with precise flow

Info

Publication number: CN219221388U
Application number: CN202223483112.6U
Authority: CN
Inventors: 刘生玉; 霍俊逸
Original assignee: Smetik Kunshan Precision Machinery Co ltd
Current assignee: Smetik Kunshan Precision Machinery Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-20
Anticipated expiration: 2032-12-23

Abstract

The utility model discloses a precise flow stainless steel pressure reducing valve, which relates to the technical field of precise flow stainless steel pressure reducing valves and comprises a valve body, a flow control unit and a pressure reducing unit; the left end of the valve body is provided with a liquid inlet pipe, the right end of the valve body is provided with a liquid outlet pipe, and the right side of the rear end of the valve body is provided with a flow channel; the flow control unit comprises a vertical column, a fan-shaped block, a ring box, a thick column, a vertical bar, a T-shaped ring and a first spring, wherein the vertical column is arranged in the center of the interior of the valve body, the left end of the vertical column is connected with the right end of the liquid inlet pipe through a guide plate, the fan-shaped block is rotationally connected to the vertical column, the ring box is arranged at the upper end of the valve body, the precise flow stainless steel reducing valve is used for accurately adjusting the upper limit of the liquid pressure output by the valve body through the movement of the vertical bar, the precision of the liquid output flow is higher, the pressure input can be buffered by the second spring when the larger liquid pressure is introduced, the impact on the interior of the valve body is reduced, and the use effect is better.

Description

Stainless steel pressure reducing valve with precise flow

Technical Field

The utility model relates to the technical field of precise flow stainless steel pressure reducing valves, in particular to a precise flow stainless steel pressure reducing valve.

Background

The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure by adjusting and automatically keeps the outlet pressure stable by depending on the energy of the medium. From the viewpoint of fluid mechanics, the pressure reducing valve is a throttling element with variable local resistance, namely, by changing the throttling area, the flow speed and the kinetic energy of fluid are changed, and different pressure losses are caused, so that the aim of reducing pressure is achieved. And then, by means of the adjustment of the control and adjustment system, the fluctuation of the valve back pressure is balanced with the spring force, so that the valve back pressure is kept constant within a certain error range.

Most of pressure reducing valves in the prior art adopt a pressure relief mode when in use, so that the output liquid pressure is ensured to fluctuate within a certain range, the upper limit of the output liquid flow cannot be controlled more accurately, and the flow control accuracy of the liquid output is poor; most relief valves will strike the interior of the valve body when a large liquid pressure is introduced, thereby reducing the service life of the valve body, easily damaging the valve body, and having poor buffering effect on the introduced liquid.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the precise flow stainless steel pressure reducing valve, the upper limit of the liquid pressure output by the valve body can be accurately regulated through the movement of the vertical bar, the precision of the liquid output flow is higher, when larger liquid pressure is introduced, the pressure input can be buffered by the spring II, the impact on the interior of the valve body is reduced, the use effect is better, and the problems in the background art can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a precise flow stainless steel pressure reducing valve comprises a valve body, a flow control unit and a pressure reducing unit;

and (3) a valve body: the left end is provided with a liquid inlet pipe, the right end of the valve body is provided with a liquid outlet pipe, and the right side of the inner rear end of the valve body is provided with a flow passage; the sector blocks can seal the arc-shaped flow channels, so that the flow rate of liquid output through the valve body is controlled.

A flow control unit: the novel valve comprises a vertical column, a fan-shaped block, a ring box, a thick column, a vertical bar, a T-shaped ring and a first spring, wherein the vertical column is arranged in the center of the interior of the valve body, the left end of the vertical column is connected with the right end of a liquid inlet pipe through a guide plate, the fan-shaped block is rotationally connected to the vertical column, the ring box is arranged at the upper end of the valve body, the thick column is rotationally connected to the upper end of the interior of the ring box, the vertical bar is arranged at the lower end of the thick column, the vertical bar is slidingly connected in an arc-shaped through groove at the front side of the upper end of the valve body, the lower end of the T-shaped ring is vertically slidingly connected in the ring box, the upper end of the first spring is connected to the lower end of the T-shaped ring, and the lower end of the first spring is connected to the lower end of the interior of the ring box; through rotating thick post, adjustable vertical bar is in the position of arc logical inslot, realizes the accurate adjustment of vertical bar lower extreme to the spacing position of sector block to adjust the upper limit of valve body output liquid pressure, the accurate control of liquid output flow is higher, when rotating thick post and accomplish the back, utilizes the effect of spring one, can make the tooth of T type ring upper end and the tooth cooperation of ring gear lower extreme, realizes the fixed to vertical bar position.

Decompression unit: is arranged at the left side of the front end of the valve body.

Further, the flow control unit further comprises a rotary table and a toothed ring, wherein the rotary table is installed at the upper end of the thick column, the toothed ring is installed at the lower end of the rotary table, and the toothed ring vertically corresponds to the T-shaped ring. The rotary table is utilized to conveniently rotate the thick column to adjust the position of the vertical bar.

Further, the decompression unit contains spring case, slide one, arc post, slide two and spring two, the spring case is installed in the inside front end left side of valve body, the inside right-hand member sliding connection of spring case has slide one, arc post sliding connection is at the right-hand member of spring case, the middle part at slide one is connected to the left end of arc post, the inside left end sliding connection of spring case has slide two, the right-hand member at slide two is connected to the left end of spring two, the left end at slide one is connected to the right-hand member of spring two. When the liquid with high instantaneous pressure is introduced into the valve body, the liquid applies force to the sector block, the sector block can apply force to the right end of the arc column, the arc column slides with the first sliding plate, the second spring is compressed, and when the pressure of the input liquid is kept at the same level with the second spring, the liquid can flow out in a stable flow.

Further, the decompression unit still contains arc wall and fixed plate, the arc wall is offered in the lower extreme of valve body and is corresponded with the spring case, the fixed plate is installed to the lower extreme that slide two stretch into the arc wall, both ends all pass through bolt threaded connection in the arc wall around the fixed plate. Through sliding the fixed plate, the position of the second sliding plate can be adjusted, and then the adjustment of the second elastic force of the spring is achieved, after the adjustment is completed, the fixed plate can be fixed on the arc-shaped groove by rotating the bolt, and the fixation of the second elastic force of the spring is achieved.

Further, the rotary table further comprises a pointer, wherein the circumference of the upper end of the ring box is etched with an angle, and the pointer is arranged on the left side of the lower end of the rotary table. When the turntable is rotated, the angle of the upper end of the ring box pointed by the pointer can be observed.

Further, the T-shaped ring comprises connecting columns and pressing plates, wherein the lower sides of the front end and the rear end of the T-shaped ring are respectively connected with the lower ends of the two connecting columns through short connecting plates, and the upper ends of the two connecting columns are connected through horizontal pressing plates. The pressing plate can move downwards with the T-shaped ring through the connecting column and is separated from the toothed ring.

Compared with the prior art, the utility model has the beneficial effects that: the stainless steel pressure reducing valve with precise flow has the following advantages:

1. the precise flow stainless steel pressure reducing valve is provided with a flow control unit, the position of the vertical bar in the arc-shaped through groove can be adjusted by rotating the thick column, and the lower end of the vertical bar can accurately adjust the limiting position of the sector block, so that the upper limit of the liquid flow output by the valve body is adjusted, and the precise control of the liquid output flow is higher; after the coarse column is rotated and adjusted, the first spring is utilized to enable the teeth at the upper end of the T-shaped ring to be matched with the teeth at the lower end of the toothed ring, so that the position of the vertical bar is fixed, the upper limit of the liquid pressure output by the valve body is fixed, and the flow is controlled more stably.

2. The stainless steel pressure reducing valve with precise flow is provided with a pressure reducing unit, when the liquid with instantaneous larger pressure is introduced into the valve body, the liquid applies force to the sector block, the sector block can apply force to the right end of the arc column, the arc column slides with the first sliding plate to compress the second spring, and when the pressure of the input liquid is kept constant with the elasticity of the second spring, the liquid can flow out in a stable flow, so that the impact on the inside of the valve body can be reduced, the buffer performance can be improved, and the service life of the pressure reducing valve can be prolonged.

3. This accurate flow stainless steel relief pressure valve is equipped with the decompression unit, through sliding the fixed plate, can adjust the position of slide two, and then realize the adjustment of spring two elasticity, after the adjustment is accomplished, rotate the bolt, can fix the fixed plate at the arc wall, realize the fixed of spring two elasticity, conveniently adapt to the letting in of various great pressure liquids, the result of use is better.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic top cross-sectional view of the present utility model;

fig. 4 is a schematic view of the lower side structure of the present utility model.

In the figure: 1 valve body, 2 liquid inlet pipe, 3 flow control unit, 31 vertical column, 32 sector block, 33 ring box, 34 thick column, 35 vertical bar, 36T ring, 37 spring one, 38 rotary table, 39 tooth ring, 4 decompression unit, 41 spring box, 42 slide one, 43 arc column, 44 slide two, 45 spring two, 46 arc slot, 47 fixed plate, 5 pointer, 6 connecting column, 7 clamp plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present embodiment provides a technical solution: a precise flow stainless steel pressure reducing valve comprises a valve body 1, a flow control unit 3 and a pressure reducing unit 4;

valve body 1: the left end is provided with a liquid inlet pipe 2, the right end of the valve body 1 is provided with a liquid outlet pipe, and the right side of the rear end inside the valve body 1 is provided with a flow channel; the sector block 32 can seal the arc-shaped flow passage, thereby controlling the flow rate of the liquid output through the valve body 1, and the valve body 1 is integrally made of stainless steel.

Flow control unit 3: the valve comprises a vertical column 31, a fan-shaped block 32, a ring box 33, a thick column 34, a vertical bar 35, a T-shaped ring 36 and a first spring 37, wherein the vertical column 31 is installed in the center of the interior of the valve body 1, the left end of the vertical column 31 is connected with the right end of a liquid inlet pipe 2 through a guide plate, the fan-shaped block 32 is rotatably connected to the vertical column 31, the ring box 33 is installed at the upper end of the valve body 1, the thick column 34 is rotatably connected to the upper end of the interior of the ring box 33, the vertical bar 35 is installed at the lower end of the thick column 34, the vertical bar 35 is slidably connected in an arc-shaped through groove at the front side of the upper end of the valve body 1, the lower end of the T-shaped ring 36 is vertically slidably connected in the ring box 33, the upper end of the first spring 37 is connected to the lower end of the T-shaped ring 36, and the lower end of the first spring 37 is connected to the lower end of the interior of the ring box 33; through rotating thick post 34, adjustable vertical bar 35 is in the position of arc logical inslot, realizes the accurate adjustment of vertical bar 35 lower extreme to the spacing position of sector 32 to adjust the upper limit of valve body output liquid pressure, the accurate control of liquid output flow is higher, when rotating thick post 34 and accomplishing the back, utilizes the effect of spring one 37, can make the tooth of T type ring 36 upper end and the tooth cooperation of ring gear 39 lower extreme, realizes the fixed to vertical bar 35 position, and then fixes the upper limit of valve body output liquid pressure, and the control of flow is more stable.

The flow control unit 3 further comprises a rotary disk 38 and a toothed ring 39, the rotary disk 38 is installed at the upper end of the thick column 34, the toothed ring 39 is installed at the lower end of the rotary disk 38, and the toothed ring 39 vertically corresponds to the T-shaped ring 36. The position of the vertical bar 35 is adjusted by rotating the thick column 34 with the turntable 38.

Decompression unit 4: is installed at the left side of the inner front end of the valve body 1.

The decompression unit 4 contains spring case 41, slide one 42, arc post 43, slide two 44 and spring two 45, and spring case 41 is installed in the inside front end left side of valve body 1, and the inside right-hand member sliding connection of spring case 41 has slide one 42, and arc post 43 sliding connection is at the right-hand member of spring case 41, and the middle part at slide one 42 is connected to the left end of arc post 43, and the inside left end sliding connection of spring case 41 has slide two 44, and the right-hand member at slide two 44 is connected to the left end of spring two 45, and the left end at slide one 42 is connected to the right-hand member of spring two 45. When the liquid with high instantaneous pressure is introduced into the valve body 1, the liquid applies force to the sector block 32, the sector block 32 can apply force to the right end of the arc column 43, the arc column 43 slides with the first sliding plate 42, the second spring 45 is compressed, and when the pressure of the input liquid is kept constant with the elasticity of the second spring 45, the liquid can flow out in a stable flow rate, so that the impact on the interior of the valve body can be reduced, and the service life of the pressure reducing valve can be prolonged.

The decompression unit 4 further comprises an arc-shaped groove 46 and a fixed plate 47, the arc-shaped groove 46 is formed in the lower end of the valve body 1 and corresponds to the spring box 41, the fixed plate 47 is mounted at the lower end of the second sliding plate 44 extending into the arc-shaped groove 46, and the front end and the rear end of the fixed plate 47 are connected in the arc-shaped groove 46 through bolts and threads. Through sliding fixed plate 47, can adjust the position of slide two 44, and then realize the adjustment of spring two 45 elasticity, after the adjustment is accomplished, rotate the bolt, can fix fixed plate 47 at arc wall 46, realize the fixed of spring two 45 elasticity, conveniently adapt to the letting in of various great pressure liquids, the result of use is better.

The pointer 5 is also included, the circumference of the upper end of the ring box 33 is etched with an angle, and the pointer 5 is arranged at the left side of the lower end of the turntable 38. When the rotary table 38 is rotated, the angle of the upper end of the ring box 33 pointed by the pointer 5 can be observed, and the position of the vertical bar 35 can be conveniently and accurately positioned.

The lower sides of the front end and the rear end of the T-shaped ring 36 are respectively connected with the lower ends of the two connecting columns 6 through short connecting plates, and the upper ends of the two connecting columns 6 are connected through a horizontal pressing plate 7. The pressing plate 7 can move downwards with the T-shaped ring 36 through the connecting column 6 and is separated from the toothed ring 39, so that the turntable 38 is rotated to adjust the accuracy of the liquid output flow.

The working principle of the precise flow stainless steel pressure reducing valve provided by the utility model is as follows: before the use, push down clamp plate 7 earlier, move down through linking post 6 with T type ring 36, after separating with the ring gear 39, rotate carousel 38, under the reference of pointer 5 ring case 33 upper end angle, adjust the position of vertical bar 35 in the arc through groove, realize the accurate adjustment of vertical bar 35 lower extreme to sector 32 spacing position, thereby adjust the upper limit of valve body output liquid pressure, after the regulation is accomplished, utilize the effect of spring one 37, make the tooth of T type ring 36 upper end and the tooth cooperation of ring gear 39 lower extreme, realize fixing to vertical bar 35 position, and then the upper limit of valve body output liquid flow, when liquid lets in from feed liquor pipe 2 left end back, first through the deflector flow to sector 32 rear end, apply force to sector 32 rotation, make it open the runner gradually, make liquid outflow, right-hand member application of force to sector 43, arc post 43 slides with slide one 42, make spring two 45 compress, when the pressure of input liquid keeps with spring two 45 elasticity, can make liquid outflow stable, can be reduced at ordinary times, the impact valve body inside can be increased, the stable flow can be used to the valve body.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A stainless steel relief pressure valve of accurate flow, its characterized in that: comprises a valve body (1), a flow control unit (3) and a decompression unit (4);

valve body (1): the left end is provided with a liquid inlet pipe (2), the right end of the valve body (1) is provided with a liquid outlet pipe, and the right side of the inner rear end of the valve body (1) is provided with a flow channel;

flow control unit (3): the novel valve comprises a vertical column (31), a fan-shaped block (32), a ring box (33), a thick column (34), a vertical bar (35), a T-shaped ring (36) and a first spring (37), wherein the vertical column (31) is arranged in the center of the interior of the valve body (1), the left end of the vertical column (31) is connected with the right end of a liquid inlet pipe (2) through a guide plate, the fan-shaped block (32) is rotationally connected to the vertical column (31), the ring box (33) is arranged at the upper end of the valve body (1), the thick column (34) is rotationally connected to the inner upper end of the ring box (33), the vertical bar (35) is arranged at the lower end of the thick column (34), the vertical bar (35) is slidably connected in an arc-shaped through groove at the front side of the upper end of the valve body (1), the lower end of the T-shaped ring (36) is vertically slidably connected to the inner part of the ring box (33), the upper end of the first spring (37) is connected to the lower end of the T-shaped ring (36), and the lower end of the first spring (37) is connected to the inner lower end of the ring box (33).

Decompression unit (4): is arranged on the left side of the inner front end of the valve body (1).

2. The precision flow stainless steel pressure reducing valve according to claim 1, wherein: the flow control unit (3) further comprises a rotary table (38) and a toothed ring (39), the rotary table (38) is installed at the upper end of the thick column (34), the toothed ring (39) is installed at the lower end of the rotary table (38), and the toothed ring (39) corresponds to the T-shaped ring (36) vertically.

3. The precision flow stainless steel pressure reducing valve according to claim 1, wherein: the decompression unit (4) contains spring case (41), slide first (42), arc post (43), slide second (44) and spring second (45), spring case (41) are installed in inside front end left side of valve body (1), inside right-hand member sliding connection of spring case (41) has slide first (42), arc post (43) sliding connection is at the right-hand member of spring case (41), the middle part at slide first (42) is connected to the left end of arc post (43), the inside left end sliding connection of spring case (41) has slide second (44), the right-hand member at slide second (44) is connected to the left end of spring second (45), the left end at slide first (42) is connected to the right-hand member of spring second (45).

4. A precision flow stainless steel pressure reducing valve according to claim 3, wherein: the decompression unit (4) further comprises an arc-shaped groove (46) and a fixed plate (47), the arc-shaped groove (46) is formed in the lower end of the valve body (1) and corresponds to the spring box (41), the fixed plate (47) is mounted at the lower end of the sliding plate II (44) extending into the arc-shaped groove (46), and the front end and the rear end of the fixed plate (47) are connected in the arc-shaped groove (46) through bolt threads.

5. The precision flow stainless steel pressure reducing valve according to claim 2, wherein: the rotary table is characterized by further comprising a pointer (5), wherein the circumference of the upper end of the ring box (33) is etched with an angle, and the pointer (5) is arranged on the left side of the lower end of the rotary table (38).

6. The precision flow stainless steel pressure reducing valve according to claim 1, wherein: the T-shaped ring is characterized by further comprising connecting columns (6) and pressing plates (7), wherein the lower sides of the front end and the rear end of the T-shaped ring (36) are respectively connected with the lower ends of the two connecting columns (6) through short connecting plates, and the upper ends of the two connecting columns (6) are connected through the horizontal pressing plates (7).