Manual pressure regulating valve

Abstract

The utility model discloses a manual pressure regulating valve, and particularly relates to the technical field of manual pressure regulating valves, the manual pressure regulating valve comprises a valve body, the valve body comprises a pressure regulating screw rod, the outer end of the pressure regulating screw rod is sleeved with a manual valve seat and a retaining nut through threads, the retaining nut is arranged at one end of the manual valve seat, one end of the pressure regulating screw rod is fixedly provided with a connecting end block, and the other end of the pressure regulating screw rod is provided with a locking nut. A pressure regulating wrench is arranged on the connecting end block through a bolt, a scale ring is fixedly arranged at the outer end of the manual valve seat, scales of the scale ring are marked on the side facing the pressure regulating wrench, and an observation assembly is arranged on one side of the valve body. The simulation valve seat and the simulation valve rod are used for simulating the valve seat and the valve rod, and the change of a gap in a hole in the adjusting process can be visually observed by observing the change of the simulation valve rod and the simulation valve seat in the adjusting process through the transparent sleeve, so that the adjusting effect is more visual.

Description

TECHNICAL FIELD

[0001] The utility model relates to manual pressure regulating valve technical field, specifically related to a manual pressure regulating valve. BACKGROUND

[0002] Manual pressure regulating valve is a commonly used regulating pipeline pressure tool, is mainly used for controlling the pressure in the pipeline, ensures that fluid can flow stably, adjusts the opening of the valve by manual rotation, thereby reaches the purpose of controlling the pressure in the pipeline.

[0003] When high pressure medium fills to a relatively large cavity through a small hole, due to the throttling effect of the small hole, the flow rate of fluid increases, the pressure reduces, thereby realizes the purpose of pressure reduction, this is the working principle of most manual pressure regulating valves in the prior art, such as the manual pressure regulating valve with the publication number CN220016209U.

[0004] The adjusted structure of the prior art pressure regulating valve is located inside the valve body, and the change of the adjusted structure cannot be observed when adjusting, so the adjusting effect is not intuitive enough. UTILITY MODEL CONTENTS

[0005] The utility model discloses a kind of manual pressure regulating valves, and the change of the gap in the hole during adjusting can be directly observed by observing the change of simulation valve stem and simulation valve seat during adjusting through transparent sleeve, so that the adjusting effect is more intuitive.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a kind of manual pressure regulating valve, including valve body, the valve body includes pressure regulating screw rod, the pressure regulating screw rod outer end is equipped with manual valve seat and stop nut by thread, the stop nut is located in manual valve seat one end, the pressure regulating screw rod one end is fixedly provided with connecting end block, the connecting end block is equipped with pressure regulating wrench by bolt, the pressure regulating wrench drives pressure regulating screw rod and connecting end block to rotate;

[0007] Manual valve seat outer end is fixedly provided with scale ring, the scale mark of scale ring is marked on the side towards pressure regulating wrench, the valve body one side is equipped with observation assembly, the observation assembly includes fixed end block fixedly arranged on the outer end of connecting end block, the side towards scale ring of fixed end block is fixedly provided with guide rod;

[0008] The guide rod one end is equipped with transparent sleeve, the inner wall of transparent sleeve is fixedly provided with simulation valve seat and simulation valve stem, the simulation valve stem one end extends to simulation valve stem inside.

[0009] Further, the transparent sleeve is fixed with a ball at one end, which is in contact with the scale ring and can roll on the scale ring, a thrust spring is arranged between the transparent sleeve and the fixed end block, and the thrust spring is located at the outer end of the guide rod and fixedly connected with the transparent sleeve and the fixed end block at two ends.

[0010] Further, the hand valve seat is internally provided with a pressure bearing block, the outer end of the pressure bearing block is provided with a compression spring, one end of the pressure regulating screw is in contact with the pressure bearing block, and the compression spring is fixedly arranged on the inner wall of the hand valve seat.

[0011] Further, the end of the pressure bearing block away from the pressure regulating screw is provided with an embedded rod, the end of the embedded rod away from the pressure bearing block is provided with a valve rod, and the end of the valve rod away from the embedded rod is sleeved with a valve seat.

[0012] The valve rod and the simulated valve rod are completely same in shape and size, the simulated valve seat and the valve seat are completely same in shape and size, and the position relationship between the two pairs of structures of the valve rod, the valve seat and the simulated valve rod and the simulated valve seat is also completely same.

[0013] Further, the handle of the pressure regulating wrench is divided into a primary handle and a secondary handle, the secondary handle is located between the primary handle and the connecting end block, one side of the connecting part of the primary handle and the secondary handle is provided with an adjusting arm, one end of the adjusting arm is fixedly connected with the primary handle, and the other end of the adjusting arm is rotatably connected with the secondary handle.

[0014] Further, the outer end of the connecting part of the primary handle and the secondary handle is sleeved with a connecting sleeve, one side of the connecting sleeve away from the adjusting arm is provided with a reset spring, end plates are fixedly arranged at two ends of the reset spring, and the two end plates are fixedly arranged on the connecting sleeve and the secondary handle.

[0015] In the above technical scheme, the technical effects and advantages of the utility model are provided:

[0016] The simulated valve seat and the valve rod are simulated by the simulated valve seat and the simulated valve rod, the change of the gap in the hole in the adjusting process can be directly observed by observing the change of the simulated valve rod and the simulated valve seat in the adjusting process through the transparent sleeve, and the adjusting effect is more intuitive. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments or the prior art, the drawings needed in the embodiments will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments described in the utility model, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0018] Figure 1 It is the overall structure diagram of the utility model;

[0019] Figure 2 For the utility model of Figure 1 A enlarged view of middle A part;

[0020] Figure 3 For the utility model of valve body sectional view;

[0021] Figure 4 For the utility model of observation assembly sectional view;

[0022] Figure 5 For the utility model of primary handle folding state schematic diagram.

[0023] Mark explanation:

[0024] 1, valve body;101, manual valve seat;102, retreat nut;103, pressure regulating screw;104, connecting end block;105, pressure block;106, compression spring;107, embedded rod;108, valve seat;109, valve stem;

[0025] 2, observation assembly;201, transparent sleeve;202, guide rod;203, simulation valve seat;204, simulation valve stem;205, thrust spring;206, ball;207, fixed end block;3, scale ring;4, pressure regulating wrench;401, primary handle;402, secondary handle;5, connecting sleeve;6, end plate;7, return spring;8, adjusting arm. Specific implementation

[0026] In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model will be introduced further in detail below in conjunction with the drawings.

[0027] The utility model provides a kind of manual pressure regulating valve as Figures 1-5 It is shown in the figure, including valve body 1, the valve body 1 includes pressure regulating screw 103, the pressure regulating screw 103 outer end is equipped with manual valve seat 101 and retreat nut 102 by thread cover, the retreat nut 102 is located in manual valve seat 101 one end, the pressure regulating screw 103 one end is fixedly provided with connecting end block 104, the connecting end block 104 is equipped with pressure regulating wrench 4 by bolt, rotates by pressure regulating wrench 4 drive pressure regulating screw 103 and connecting end block 104.

[0028] The manual valve seat 101 inside is equipped with pressure block 105, and the one end of pressure block 105 towards pressure regulating screw 103 is equipped with elastic baffle ring, plays sealing effect, the pressure block 105 outer end is equipped with compression spring 106, the pressure regulating screw 103 one end is in contact with pressure block 105, and the compression spring 106 is fixedly arranged on the inner wall of manual valve seat 101.

[0029] The pressure block 105 is provided with an embedded rod 107 at one end away from the pressure regulating screw 103, the embedded rod 107 is provided with a valve rod 109 at one end away from the pressure block 105, the valve rod 109 is sleeved with a valve seat 108 at one end away from the embedded rod 107.

[0030] The fluid entering the inside of the valve body 1 finally flows out through the hole in the center of the valve seat 108, and one end of the valve rod 109 is inserted into the hole, so that the fluid can only flow through the gap between the valve rod 109 and the inner wall of the hole, and the lateral sliding of the valve rod 109 can adjust the size of the gap to adjust the flow space of the fluid, thereby adjusting the pressure of the fluid.

[0031] During adjustment, the connecting end block 104 and the pressure regulating screw 103 are rotated by the pressure regulating wrench 4, and under the action of the threads, the pressure regulating screw 103 can move, when the pressure regulating screw 103 moves inward, the pressure block 105 is pushed to move inward, and the compression spring 106 is compressed, on the contrary, when the pressure regulating screw 103 moves outward, the elastic force of the compression spring 106 can push the pressure block 105 to move outward, and the movement of the pressure block 105 drives the movement of the embedded rod 107 and the valve rod 109, thereby adjusting the size of the gap in the hole and the pressure of the fluid.

[0032] When the connecting end block 104 is rotated, in order to intuitively understand the rotation angle of the connecting end block 104, as shown in Figure 1 , a scale ring 3 is fixedly arranged at the outer end of the hand valve seat 101, the scale mark of the scale ring 3 is marked on the side facing the pressure regulating wrench 4, one side of the valve body 1 is provided with an observation assembly 2, the observation assembly 2 includes a fixed end block 207 fixedly arranged at the outer end of the connecting end block 104, a guide rod 202 is fixedly arranged at the side of the fixed end block 207 facing the scale ring 3.

[0033] During adjustment, the observation assembly 2 can rotate synchronously with the connecting end block 104 under the driving of the connecting end block 104, and the observation assembly 2 rotates on the surface of the scale ring 3 during rotation, which plays the role of a pointer, and through the angle scale marked on the scale ring 3, the rotation angle of the connecting end block 104 can be intuitively displayed, thereby improving the adjustment accuracy.

[0034] In order to intuitively observe the size of the adjusted gap, as shown in Figure 1 , 4 , a transparent sleeve 201 is sleeved at one end of the guide rod 202, an analog valve seat 203 and an analog valve rod 204 are fixedly arranged on the inner wall of the transparent sleeve 201, and one end of the analog valve rod 204 extends into the inside of the analog valve rod 204.

[0035] The transparent sleeve 201 is fixed at one end with a ball 206 in contact with the scale ring 3, the ball 206 can roll on the scale ring 3, the transparent sleeve 201 and the fixed end block 207 are provided with a thrust spring 205, the thrust spring 205 is located at the outer end of the guide rod 202, and the two ends of the thrust spring 205 are fixedly connected with the transparent sleeve 201 and the fixed end block 207 respectively.

[0036] The valve stem 109 is completely the same in shape and size with the simulation valve stem 204, the simulation valve seat 203 is completely the same in shape and size with the valve seat 108, in addition, the position relationship between the two pairs of structures of the valve stem 109, the valve seat 108 and the simulation valve stem 204, the simulation valve seat 203 is also completely the same, and the spacing between the valve stem 109 and the valve seat 108 and the spacing between the simulation valve seat 203 and the simulation valve stem 204 is also completely the same.

[0037] In the adjusting process, the fixed end block 207 rotates synchronously with the connecting end block 104 and moves synchronously with the lateral movement of the connecting end block 104, and the guide rod 202 and the simulation valve stem 204 connected to the fixed end block 207 also move synchronously with the lateral movement of the fixed end block 207, and the transparent sleeve 201 is always pressed on the scale ring 3 under the elastic force of the thrust spring 205, the ball 206 is always in contact with the scale ring 3, so the lateral position of the simulation valve seat 203 fixed on the inner wall of the transparent sleeve 201 is always unchanged;

[0038] Therefore, during adjustment, the position of the simulation valve stem 204 changes synchronously with the pressure regulating screw 103 and the valve stem 109, and the position of the simulation valve seat 203 remains unchanged like the valve seat 108, so that the simulation valve stem 204 can completely copy and simulate the valve seat 108 and the valve stem 109, and the changes of the simulation valve stem 204 and the simulation valve seat 203 during the adjusting process can be observed through the transparent sleeve 201, so that the change of the gap in the hole during the adjusting process can be observed directly, making the adjusting effect more intuitive.

[0039] When idle, the pressure regulating wrench 4 can be folded to save space, as shown in Figure 1 、 2 、5, the handle of the pressure regulating wrench 4 is divided into a first handle 401 and a second handle 402, the second handle 402 is located between the first handle 401 and the connecting end block 104, one side of the connection part of the first handle 401 and the second handle 402 is provided with an adjusting arm 8, one end of the adjusting arm 8 is fixedly connected with the first handle 401, and the other end of the adjusting arm 8 is rotatably connected with the second handle 402.

[0040] The outer end of the connection position of the primary handle 401 and the secondary handle 402 is sleeved with a connecting sleeve 5, the side of the connecting sleeve 5 away from the adjusting arm 8 is provided with a reset spring 7, both ends of the reset spring 7 are fixedly provided with end plates 6, and the two end plates 6 are fixedly arranged on the connecting sleeve 5 and the secondary handle 402 respectively.

[0041] In the connected state, the connecting sleeve 5 is sleeved on the outer end of the connection position of the primary handle 401 and the secondary handle 402, so as to connect the two into a whole for operation, when idle, the connecting sleeve 5 can be slid to move and compress the reset spring 7, the connecting sleeve 5 is moved away from the connection position of the primary handle 401 and the secondary handle 402, and the connection between the primary handle 401 and the secondary handle 402 is disconnected, at this time, the primary handle 401 is rotated to drive the 801 to rotate, the primary handle 401 is rotated to the lower side of the secondary handle 402, so as to reduce the length of the whole of the pressure regulating wrench 4, fold the pressure regulating wrench 4, and save space.

[0042] The above only describes certain exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature, and should not be understood as the limitation of the protection scope of the utility model claims.

Claims

1. A manual pressure regulating valve comprising a valve body (1) comprising a pressure regulating screw (103) with a manual valve seat (101) and a retainer nut (102) on the outer end of the pressure regulating screw (103), characterized in that: The regulating screw rod (103) is fixed with a connecting end block (104) at one end, and the connecting end block (104) is provided with a regulating wrench (4) through bolts; The outer end of the manual valve seat (101) is fixed with a scale ring (3), and the scale mark of the scale ring (3) is on the side facing the regulating wrench (4). One side of the valve body (1) is provided with an observation assembly (2), which includes a fixed end block (207) fixed on the outer end of the connecting end block (104). The fixed end block (207) is fixed with a guide rod (202) on the side facing the scale ring (3). The guide rod (202) is sleeved with a transparent sleeve (201) at one end, and the inner wall of the transparent sleeve (201) is fixed with an analog valve seat (203) and an analog valve rod (204). The analog valve rod (204) extends into the analog valve rod (204).

2. A manually operated pressure regulating valve according to claim 1, wherein: The transparent sleeve (201) is fixed with a ball (206) at one end which contacts the scale ring (3). A thrust spring (205) is arranged between the transparent sleeve (201) and the fixed end block (207), and the thrust spring (205) is located at the outer end of the guide rod (202).

3. A manually operated pressure regulating valve according to claim 1, wherein: The inside of the manual valve seat (101) is provided with a pressure block (105), and the outer end of the pressure block (105) is provided with a compression spring (106). One end of the regulating screw rod (103) contacts the pressure block (105).

4. A manually operated pressure regulating valve according to claim 3, wherein: The end of the pressure block (105) away from the regulating screw rod (103) is provided with an embedded rod (107), and the end of the embedded rod (107) away from the pressure block (105) is provided with a valve rod (109). The valve rod (109) is sleeved with a valve seat (108) at the end away from the embedded rod (107). The valve rod (109) is completely the same in shape and size with the analog valve rod (204), and the analog valve seat (203) and the valve seat (108) are completely the same in shape and size.

5. A manually operated pressure regulating valve according to claim 1, wherein: The handle of the regulating wrench (4) is divided into a primary handle (401) and a secondary handle (402). An adjusting arm (8) is arranged on one side of the connection part of the primary handle (401) and the secondary handle (402). One end of the adjusting arm (8) is fixedly connected with the primary handle (401), and the other end of the adjusting arm (8) is rotatably connected with the secondary handle (402).

6. A manually operated pressure regulating valve according to claim 5 wherein: The outer end of the connection part of the primary handle (401) and the secondary handle (402) is sleeved with a connecting sleeve (5). A reset spring (7) is arranged on the side of the connecting sleeve (5) away from the adjusting arm (8). End plates (6) are fixedly arranged at both ends of the reset spring (7). The two end plates (6) are respectively fixed on the connecting sleeve (5) and the secondary handle (402).

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