Constant pressure valve capable of adjusting pressure relief
By designing an adjustable pressure relief constant pressure valve, and utilizing structures such as a plunger, slot, rotating handle, and sealing ring, the problem of non-adjustable flow rate in existing constant pressure valves is solved. This enables flexible flow rate adjustment and pipeline sealing, improving the system's pressure management flexibility and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-16
- Publication Date
- 2026-03-24
AI Technical Summary
Existing pressure regulating valves can only be in two states, open and closed, making it difficult to adjust the flow rate in the valve pipe as needed and unable to adapt to pressure adjustment requirements under changing operating conditions.
An adjustable pressure relief valve was designed. By incorporating a plug, slot, rotating handle, threaded rod, and sealing ring, the valve body's discharge capacity can be adjusted and the pipeline can be sealed and fixed, allowing for flexible flow adjustment and pressure relief control.
It enables flexible adjustment of valve flow rate according to usage needs, avoids leakage at pipe connections, and improves the flexibility and stability of system pressure management.
Smart Images
Figure CN224033177U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of constant pressure valve, concretely is a kind of constant pressure valve of adjustable pressure relief. BACKGROUND
[0002] Adjustable pressure relief constant pressure valve is the key pressure management device in fluid control system, its core function is to maintain the pressure stability of pipeline or container by dynamic adjustment pressure relief threshold value.The traditional constant pressure valve is mostly used mechanical spring and valve core structure, set fixed pressure relief value by pre-tightening spring, but cannot adapt to pressure adjustment demand under working condition change.The existing constant pressure valve when using, generally control the on-off of valve pipe by electromagnetic attraction, only have two states of opening and closing, it is difficult to adjust the size of valve pipe flow at will according to use needs. SUMMARY
[0003] In order to overcome above-mentioned defect, the utility model provides a kind of constant pressure valve of adjustable pressure relief, solve the existing constant pressure valve when using, generally control the on-off of valve pipe by electromagnetic attraction, only have two states of opening and closing, it is difficult to adjust the size of valve pipe flow at will according to use needs.
[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of constant pressure valve of adjustable pressure relief, including valve body, the inside of the valve body is provided with adjusting groove, the top of the valve body is fixedly connected with mounting block, the inside of the mounting block is provided with installation sliding slot, the both sides of the installation sliding slot are fixedly connected with limit rod respectively, limit rod surface is fixedly connected with limit block with sliding connection, two limit blocks are fixedly connected with adjusting block, the bottom of the adjusting block extends to the inside of adjusting groove with the valve body, and adjusting block is fixedly connected in the inside of adjusting groove with sliding connection, the top of the adjusting block is fixedly connected with threaded rod with screwing, the top of the threaded rod is fixedly connected with the top of mounting block with rotating connection by bearing, the top of the threaded rod is fixedly connected with handle with sliding connection, the top of the threaded rod is fixedly connected with sliding block, the inside of handle is provided with sliding slot with the position of sliding block, the sliding block is fixedly connected in sliding slot, the top of the threaded rod is fixedly connected with sliding rod with sliding connection.
[0005] As a further scheme of the utility model: the top of the sliding rod is fixedly connected in the top of handle, reset spring is sleeved on the outer arc surface of the top of threaded rod with the sliding rod, and reset spring both ends are fixedly connected with the top of threaded rod and the top of handle respectively.
[0006] As a further scheme of the utility model: the bottom outer arc surface of the handle is fixedly connected with fixed ring, the bottom of the fixed ring is fixedly connected with two insertion rods.
[0007] As a further scheme of the utility model: the top of the mounting block is provided with multiple insertion slots, and the position of insertion slot corresponds with insertion rod.
[0008] As a further scheme of the utility model: the both sides of the valve body are fixedly connected with installation pipes, and one end of the installation pipe is fixedly connected with a flange.
[0009] As a further scheme of the utility model: the outer arc surface of the flange is sleeved with two sealing rings, the bottom of the two sealing rings is rotationally connected through a pin shaft, the top of one of the sealing rings is fixedly connected with a rotating buckle plate, and the top of the other sealing ring is fixedly connected with a buckle block in the position corresponding to the rotating buckle plate.
[0010] Compared with the prior art, the utility model has the beneficial effects that:
[0011] 1. The adjustable pressure relief constant pressure valve, by setting the plug rod, the plug groove, the rotating handle, the threaded rod, when needing to adjust, can lift the handle and drive the fixed ring to move upwards and make the plug rod pull out from the plug groove, at this time, the rotating handle can be controlled to rotate and drive the sliding block and the threaded rod to rotate, so that the threaded rod drives the adjusting block to slide on the surface of the limiting rod and drive the adjusting block to slide in the adjusting groove, thereby conveniently adjusting the discharge size of the valve body according to the use requirement.
[0012] 2. The adjustable pressure relief constant pressure valve, by setting the sealing ring, the rotating buckle plate and the buckle block, when needing to connect the pipeline, the pipeline can be connected with the flange, and the two sealing rings are rotated and buckled, after buckling, the rotating buckle plate is rotated and buckled into the buckle block, so that the two sealing rings are sealed and fixed to the pipeline connection, avoiding leakage between the pipeline and the flange. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is a structural schematic view of the utility model;
[0014] Fig. 2 It is a structural schematic view of the valve body and the installation block of the utility model;
[0015] Fig. 3 It is a structural schematic view of the rotating buckle plate and the buckle block of the utility model;
[0016] In the drawing: 1, valve body; 2, installation block; 3, adjusting groove; 4, adjusting block; 5, installation sliding groove; 6, limiting rod; 7, limiting block; 8, threaded rod; 9, handle; 10, sliding block; 11, sliding groove; 12, sliding rod; 13, return spring; 14, fixed ring; 15, plug rod; 16, plug groove; 17, installation pipe; 18, flange; 19, sealing ring; 20, rotating buckle plate; 21, buckle block. DETAILED DESCRIPTION
[0017] The technical scheme of the patent will be further described in detail in combination with specific implementation manners.
[0018] As Figs. 1-3 shown, the utility model provides a technical scheme: a kind of pressure regulating constant pressure valve, including valve body 1, adjusting groove 3 is opened in valve body 1 inside, the top of valve body 1 is fixedly connected with mounting block 2, mounting groove 5 is opened in mounting block 2, the both sides of mounting groove 5 are fixedly connected with limiting rod 6 respectively, limiting rod 6 surface is slidably connected with limiting block 7, two limiting blocks 7 are fixedly connected with adjusting block 4 between, by the setting of limiting rod 6, limiting rod 6 is used to limit limiting block 7 and adjusting block 4, prevent the situation that adjusting block 4 is moved when being rotated by threaded rod 8, deflection occurs;
[0019] adjusting block 4 bottom extends to adjusting groove 3 inside through valve body 1, and adjusting block 4 is slidably connected in adjusting groove 3, threaded rod 8 is rotatably connected at the top of mounting block 2 through bearing at the top of adjusting block 4, handle 9 is slidably connected at the top of threaded rod 8, sliding block 10 is fixedly connected on the both sides of threaded rod 8 top, sliding slot 11 is opened in handle 9 inside corresponding the position of sliding block 10, by the setting of sliding slot 11 and sliding block 10, when handle 9 is rotated, handle 9 will be rotated by sliding slot 11 with sliding block 10 and threaded rod 8, prevent the situation that handle 9 is rotated, and threaded rod 8 skids;
[0020] sliding block 10 is slidably connected in sliding slot 11, sliding rod 12 is slidably connected at the top of threaded rod 8, sliding rod 12 top is fixedly connected in handle 9 inner top, reset spring 13 is sleeved on the outer arc surface of threaded rod 8 top where sliding rod 12 is located, and the both ends of reset spring 13 are fixedly connected with threaded rod 8 top and handle 9 inner top respectively, by the setting of reset spring 13, handle 9 is moved upwards and drives reset spring 13 to stretch, after finishing pulling handle 9, handle 9 is reset by the elastic force of reset spring 13;
[0021] the bottom outer arc surface of handle 9 is fixedly connected with fixed ring 14, the bottom of fixed ring 14 is fixedly connected with two insertion rods 15, the top of mounting block 2 is equipped with multiple insertion slots 16, and the position of insertion slot 16 corresponds with insertion rod 15, by the setting of insertion slot 16, insertion rod 15 is limited by using insertion slot 16, so that insertion rod 15 is limited to handle 9, so that handle 9 and threaded rod 8 are clamped and limited;
[0022] Two sides of the valve body 1 are fixedly connected with installation pipes 17, one end of the installation pipe 17 is fixedly connected with a flange 18, the outer arc surface of the flange 18 is sleeved with two sealing rings 19, the bottom of the two sealing rings 19 is rotatably connected through a pin shaft, the top of one of the sealing rings 19 is fixedly connected with a rotating buckle plate 20, the top of the other sealing ring 19 is fixedly connected with a buckle block 21 corresponding to the position of the rotating buckle plate 20, through the arrangement of the buckle block 21 and the rotating buckle plate 20, through the rotating buckle plate 20, the rotating buckle plate 20 is buckled into the buckle block 21, so that the two sealing rings 19 are installed and fixed.
[0023] The working principle of the utility model is: first, connect the pipeline with the flange 18, after the connection is completed, rotate the two sealing rings 19, buckle the two sealing rings 19 into the connecting part of the flange 18 and the pipeline, at this time, rotate the rotating buckle plate 20, buckle the rotating buckle plate 20 into the buckle block 21, so that the two sealing rings 19 are installed and fixed, when it is necessary to adjust the pressure relief, the handle 9 can be lifted, the handle 9 drives the reset spring 13 to stretch, at the same time, the handle 9 drives the fixed ring 14 and the insertion rod 15 to move upwards, the insertion rod 15 is pulled out from the insertion slot 16, at this time, the handle 9 can be rotated, the handle 9 drives the sliding block 10 and the threaded rod 8 to rotate, the threaded rod 8 drives the adjusting block 4 and the limiting block 7 to slide on the surface of the limiting rod 6, the adjusting block 4 can be driven to slide in the installation sliding groove 5, so that the pressure relief is adjusted, when the adjustment is completed, the handle 9 can be loosened, at this time, the handle 9 can be reset by the reset spring 13, the handle 9 drives the fixed ring 14 and the insertion rod 15 to be inserted into the insertion slot 16, and the handle 9 is limited.
[0024] In the description of the utility model, it should be explained that, unless there is definite stipulation and limitation, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0025] The above describes the preferred embodiment of the patent in detail, but the patent is not limited to the above embodiment, within the knowledge range of ordinary skilled persons in the art, various changes can be made without departing from the purpose of the patent.
Claims
1. A pressure-regulating valve with adjustable pressure relief, comprising a valve body (1), characterized in that: The valve body (1) has an adjustment groove (3) inside. A mounting block (2) is fixedly connected to the top of the valve body (1). A mounting slide groove (5) is provided inside the mounting block (2). Limiting rods (6) are fixedly connected to both sides of the mounting slide groove (5). Limiting blocks (7) are slidably connected through the surface of the limiting rods (6). An adjustment block (4) is fixedly connected between the two limiting blocks (7). The bottom of the adjustment block (4) extends through the valve body (1) into the adjustment groove (3), and the adjustment block (4) is slidably connected through the adjustment groove (3). Inside, the top of the adjusting block (4) is threadedly connected to a threaded rod (8), the top of the threaded rod (8) is rotatably connected to the top of the mounting block (2) through a bearing, the top of the threaded rod (8) is slidably connected to a handle (9), the top of the threaded rod (8) is fixedly connected to two sides of the top of the threaded rod (8), the handle (9) is provided with a groove (11) corresponding to the position of the slider (10), the slider (10) is slidably connected in the groove (11), and the top of the threaded rod (8) is slidably connected to a slide rod (12).
2. The adjustable pressure relief valve according to claim 1, characterized in that: The top of the slide rod (12) is fixedly connected to the top of the handle (9). The slide rod (12) is fitted with a return spring (13) on the outer arc surface of the top of the threaded rod (8). The two ends of the return spring (13) are fixedly connected to the top of the threaded rod (8) and the top of the handle (9) respectively.
3. The adjustable pressure relief valve according to claim 1, characterized in that: The bottom outer arc surface of the handle (9) is fixedly connected to a fixing ring (14), and the bottom of the fixing ring (14) is fixedly connected to two insert rods (15).
4. The adjustable pressure relief valve according to claim 3, characterized in that: The top of the mounting block (2) is provided with a plurality of slots (16), and the slots (16) correspond to the positions of the inserts (15).
5. The adjustable pressure relief valve according to claim 1, characterized in that: The valve body (1) is fixedly connected to both sides by mounting pipes (17), and a flange (18) is fixedly connected to one end of the mounting pipes (17).
6. A pressure-regulating valve with adjustable pressure relief according to claim 5, characterized in that: The outer arc surface of the flange (18) is fitted with two sealing rings (19). The bottoms of the two sealing rings (19) are rotatably connected by a pin. A rotating buckle plate (20) is fixedly connected to the top of one of the sealing rings (19), and a buckle block (21) is fixedly connected to the top of the other sealing ring (19) at the position corresponding to the rotating buckle plate (20).