Valve capable of conveniently adjusting flow

Abstract

The utility model discloses a valve convenient to adjust flow, which comprises a shell, a Z-shaped flow channel is arranged in the shell, an adjusting groove is arranged in the middle of the Z-shaped flow channel, a sealing component is arranged on the upper inner wall of the adjusting groove, an adjusting cylinder is fixedly connected to the lower inner wall of the adjusting groove, a valve core is movably connected in the adjusting cylinder, and an adjusting rod is fixedly connected to the upper end of the valve core. A support is detachably connected to the upper end of the shell, the adjusting rod is rotationally connected to the support, a calibration assembly is arranged in the middle of the adjusting rod and comprises a sleeve, the sleeve is arranged on the adjusting rod in a sleeving mode, two limiting rings are fixedly connected to the adjusting rod, the sleeve is arranged between the two limiting rings, and a hand wheel is fixedly connected to the top end of the adjusting rod. One end of the shell is fixedly connected with an inlet pipe, the other end of the shell is fixedly connected with an outlet pipe, and the inlet pipe and the outlet pipe are provided with connecting assemblies. The utility model has the advantages that the valve core is adjusted through the adjusting device, so that the flow quantity of liquid is changed, and the flow can be accurately controlled.

Description

Technical Field

[0001] The utility model belongs to the technical field of valves, and in particular relates to a valve which is convenient for adjusting flow. Background Art

[0002] Valves are control components in fluid delivery systems. They have functions such as shutoff, regulation, flow diversion, backflow prevention, pressure stabilization, flow diversion or overflow pressure relief. Valves used in fluid control systems can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media.

[0003] However, there are some problems with the existing technology: most of the existing valves can only cut off and divert flow, and cannot adjust the flow of liquid. For devices that require high-precision flow control, ordinary valves cannot meet their needs. Therefore, we propose a valve that is easy to adjust the flow. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a valve that is easy to adjust the flow rate. The valve core is adjusted by an adjusting device, so that the flow rate of the liquid is changed, and the flow rate can be accurately controlled.

[0005] The utility model is implemented as follows: a valve for convenient flow adjustment comprises a shell, a Z-shaped flow channel is provided in the shell, an adjusting groove is provided in the middle of the Z-shaped flow channel, a sealing assembly is provided on the upper inner wall of the adjusting groove, an adjusting cylinder is fixedly connected to the lower inner wall of the adjusting groove, a valve core is movably connected in the adjusting cylinder, an adjusting rod is fixedly connected to the upper end of the valve core, a bracket is detachably connected to the upper end of the shell, the adjusting rod is rotatably connected to the bracket, a calibration assembly is provided in the middle of the adjusting rod, a hand wheel is fixedly connected to the top end of the adjusting rod, an inlet pipe is fixedly connected to one end of the shell, an outlet pipe is fixedly connected to the other end of the shell, and both the inlet pipe and the outlet pipe are provided with connecting assemblies.

[0006] Optionally, the sealing assembly includes a threaded sleeve, which is fixedly connected to the inner wall of the outer shell adjustment groove, the threaded sleeve is threadedly connected to a sleeve cover, a sealing ring is arranged between the threaded sleeve and the sleeve cover, an avoidance hole is opened between the threaded sleeve and the sleeve cover, and the adjustment rod passes through the avoidance hole.

[0007] Optionally, a connection hole is provided at the upper end of the shell and the bottom end of the bracket, and a bolt is provided in the connection hole, so that the shell and the bracket are detachably connected by the bolt.

[0008] Optionally, a threaded hole is provided at the top of the bracket, a hole is provided at the bottom of the bracket, the adjustment rod passes through the threaded hole and the hole, and one end of the adjustment rod is provided with a thread, which is adapted to the threaded hole at the top of the bracket.

[0009] Optionally, the calibration component includes a sleeve, which is sleeved on an adjusting rod, and two groups of limiting rings are fixedly connected to the adjusting rod, and the sleeve is arranged between the two groups of limiting rings.

[0010] Optionally, an indicator needle is fixedly connected to one side of the sleeve, a scale plate is fixedly connected to one side of the bracket, the indicator needle is matched with the scale plate, a slideway is opened on the other side of the bracket, and the sleeve is slidably connected in the slideway.

[0011] Optionally, the connecting component includes a connecting seat, through holes are evenly formed around the connecting seat, and connecting screws are arranged in the through holes.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is provided with a valve core, and the adjusting rod can be driven to rotate by turning the hand wheel, so that the adjusting rod moves on the bracket, and then drives the valve core to move, so that the position of the valve core changes, thereby changing the area through which the liquid can flow, thereby adjusting the flow rate of the liquid. The utility model also has a calibration component on the bracket, and the current liquid flow rate can be observed through the scale plate, and it can be accurately adjusted.

[0014] Other features and advantages of the present invention will become apparent from the following detailed description of exemplary embodiments of the present invention with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram provided by the utility model;

[0016] Figure 2 It is a cross-sectional view of the housing provided by the utility model;

[0017] Figure 3 It is a cross-sectional view of the bracket provided by the utility model;

[0018] Figure 4 The utility model provides Figure 3 A magnified schematic diagram of point A;

[0019] Figure 5 It is a schematic diagram of a threaded sleeve provided by the utility model.

[0020] In the figure: 1. housing; 2. valve core; 3. adjusting rod; 4. bracket; 5. calibration assembly; 501. sleeve; 502. indicator needle; 503. scale plate; 6. sealing assembly; 601. threaded sleeve; 602. sleeve cover; 603. sealing ring; 7. handwheel; 8. inlet pipe; 9. outlet pipe; 10. connecting assembly; 101. connecting seat; 102. connecting screw; 11. bolt; 12. limit ring; 13. adjusting cylinder. DETAILED DESCRIPTION

[0021] In order to further understand the content, features and effects of the utility model, the following embodiments are given as examples and described in detail with reference to the accompanying drawings.

[0022] like Figures 1 to 5 As shown, a valve for adjusting flow provided by an embodiment of the utility model comprises a shell 1, a Z-shaped flow channel is provided in the shell 1, an adjusting groove is provided in the middle of the Z-shaped flow channel, the shell 1 is cylindrical and made of stainless steel. Of course, its shape is not limited to cylindrical, and it can also be set to other shapes such as rectangle and ellipse. The main function of the shell 1 is to protect the internal structure of the valve.

[0023] A sealing assembly 6 is provided on the inner wall of the adjusting groove, and the sealing assembly 6 includes a threaded sleeve 601, which is fixedly connected to the inner wall of the adjusting groove of the outer shell 1, and the threaded sleeve 601 is threadedly connected to a sleeve cover 602, and a sealing ring 603 is provided between the threaded sleeve 601 and the sleeve cover 602, and an avoidance hole is opened between the threaded sleeve 601 and the sleeve cover 602, and the adjusting rod 3 passes through the avoidance hole. The main function of the sealing assembly 6 is to prevent the liquid in the valve from flowing out and leaking.

[0024] An adjusting cylinder 13 is fixedly connected to the lower inner wall of the adjusting groove, and a valve core 2 is movably connected inside the adjusting cylinder 13. Both the adjusting cylinder 13 and the valve core 2 are made of stainless steel. The adjusting cylinder 13 is a cylinder with openings at both ends, and the valve core 2 is a cylinder with a plurality of adjusting grooves on the outer wall. The valve core 2 is slidably connected in the adjusting cylinder 13.

[0025] An adjusting rod 3 is fixedly connected to the upper end of the valve core 2, and a bracket 4 is detachably connected to the upper end of the housing 1. Connecting holes are provided at the upper end of the housing 1 and the bottom end of the bracket 4. Bolts 11 are provided in the connecting holes. The housing 1 and the bracket 4 are detachably connected by the bolts 11.

[0026] The adjusting rod 3 is rotatably connected to the bracket 4. A threaded hole is provided at the top of the bracket 4, and a hole is provided at the bottom of the bracket 4. The adjusting rod 3 passes through the threaded hole and the hole. A thread is provided at one end of the adjusting rod 3, and the thread is adapted to the threaded hole at the top of the bracket 4. Rotating the adjusting rod 3 can move the adjusting rod 3 on the bracket 4, thereby adjusting the position of the valve core 2.

[0027] A calibration component 5 is provided in the middle of the adjusting rod 3, and the calibration component 5 includes a sleeve 501, which is sleeved on the adjusting rod 3, and two groups of limit rings 12 are fixedly connected to the adjusting rod 3, and the sleeve 501 is arranged between the two groups of limit rings 12. An indicator needle 502 is fixedly connected to one side of the sleeve 501, and a scale plate 503 is fixedly connected to one side of the bracket 4, and the indicator needle 502 is adapted to the scale plate 503. A slideway is provided on the other side of the bracket 4, and the sleeve 501 is slidably connected in the slideway.

[0028] When the adjusting rod 3 moves on the bracket 4, it will drive the limit ring 12 to move, and the limit ring 12 will drive the sleeve 501 to slide on the bracket 4, thereby driving the indicator needle 502 to move. The position of the adjusting rod 3 can be adjusted according to the position indicated by the indicator needle 502 on the scale plate 503, so that the flow rate of the valve can be accurately controlled.

[0029] A handwheel 7 is fixedly connected to the top of the adjusting rod 3. The handwheel 7 is made of stainless steel and its main function is to drive the adjusting rod 3 to rotate. An inlet pipe 8 is fixedly connected to one end of the outer shell 1. The inlet pipe 8 is used for liquid to flow in. An outlet pipe 9 is fixedly connected to the other end of the outer shell 1. The outlet pipe 9 is used for liquid to flow out. Both the inlet pipe 8 and the outlet pipe 9 are made of stainless steel and are provided with a connecting assembly 10.

[0030] The connection assembly 10 includes a connection seat 101 , through holes are evenly formed around the connection seat 101 , and connection screws 102 are arranged in the through holes. The valve is connected to an external pipeline through the connection screws 102 on the connection seat 101 .

[0031] The working principle of the utility model is as follows:

[0032] The utility model can drive the adjusting rod 3 to rotate by rotating the hand wheel 7. After the adjusting rod 3 rotates, it will move on the bracket 4, thereby driving the limit ring 12 to move. The limit ring 12 then drives the sleeve 501 to move, thereby driving the indicator needle 502 to move. The position of the adjusting rod 3 is determined according to the position of the indicator needle 502 and the scale plate 503, thereby determining the position of the valve core 2 in the adjusting cylinder 13, thereby changing the flow area of ​​the liquid, that is, changing the flow rate of the liquid, so that the flow rate of the liquid is controllable.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve for adjusting flow rate, comprising a housing (1), characterized in that: The housing (1) is provided with a Z-shaped flow channel, an adjusting groove is provided in the middle of the Z-shaped flow channel, a sealing assembly (6) is provided on the upper inner wall of the adjusting groove, an adjusting cylinder (13) is fixedly connected to the lower inner wall of the adjusting groove, a valve core (2) is movably connected in the adjusting cylinder (13), an adjusting rod (3) is fixedly connected to the upper end of the valve core (2), a bracket (4) is detachably connected to the upper end of the housing (1), the adjusting rod (3) is rotatably connected to the bracket (4), a calibration assembly (5) is provided in the middle of the adjusting rod (3), a hand wheel (7) is fixedly connected to the top end of the adjusting rod (3), an inlet pipe (8) is fixedly connected to one end of the housing (1), an outlet pipe (9) is fixedly connected to the other end of the housing (1), and both the inlet pipe (8) and the outlet pipe (9) are provided with a connecting assembly (10).

2. A valve for adjusting flow rate according to claim 1, characterized in that: The sealing assembly (6) comprises a threaded sleeve (601), the threaded sleeve (601) being fixedly connected to the inner wall of the adjusting groove of the housing (1), the threaded sleeve (601) being threadedly connected to a sleeve cover (602), a sealing ring (603) being arranged between the threaded sleeve (601) and the sleeve cover (602), an avoidance hole being provided between the threaded sleeve (601) and the sleeve cover (602), and the adjusting rod (3) being arranged to pass through the avoidance hole.

3. A valve for adjusting flow rate according to claim 1, characterized in that: The upper end of the housing (1) and the lower end of the bracket (4) are both provided with connection holes, and bolts (11) are arranged in the connection holes. The housing (1) and the bracket (4) are detachably connected via the bolts (11).

4. A valve for adjusting flow rate according to claim 1, characterized in that: The top end of the bracket (4) is provided with a threaded hole, the bottom end of the bracket (4) is provided with a hole, the adjustment rod (3) passes through the threaded hole and the hole, one end of the adjustment rod (3) is provided with a thread, and the thread is adapted to the threaded hole at the top end of the bracket (4).

5. A valve for adjusting flow rate according to claim 1, characterized in that: The calibration component (5) comprises a sleeve (501), the sleeve (501) being sleeved on the adjustment rod (3), two sets of limit rings (12) being fixedly connected to the adjustment rod (3), and the sleeve (501) being arranged between the two sets of limit rings (12).

6. A valve for adjusting flow rate according to claim 5, characterized in that: An indicator needle (502) is fixedly connected to one side of the sleeve (501), a scale plate (503) is fixedly connected to one side of the bracket (4), the indicator needle (502) is matched with the scale plate (503), and a slideway is provided on the other side of the bracket (4), and the sleeve (501) is slidably connected in the slideway.

7. A valve for adjusting flow rate according to claim 1, characterized in that: The connection assembly (10) comprises a connection seat (101), through holes are evenly formed around the connection seat (101), and connection screws (102) are arranged in the through holes.

Images