Multifunctional bypass valve

Abstract

The utility model relates to the technical field of bypass valves, in particular to a multifunctional bypass valve which comprises a valve body, a sealing cover is detachably installed on the valve body, two installation discs are arranged in the sealing cover, a spring is arranged between the two installation discs, spring plates are installed at the upper end and the lower end of the spring respectively, and the spring plates are arranged on the valve body. The upper mounting disc and the middle of the inner wall of the top of the sealing cover are fixedly mounted, a valve rod is mounted at the bottom of the lower mounting disc, a valve element is arranged at the bottom of the valve rod, and a mounting assembly is arranged between the mounting disc and the spring plate. When the valve is used for a long time and the spring needs to be detached for maintenance or replacement, the sealing cover is firstly rotated upwards to separate the sealing cover from the top of the valve body, so that the spring can be taken out from the valve body, then the screw is screwed to separate the spring plate from the mounting discs, and the spring and the spring disc can be taken out from the space between the two mounting discs. And the spring can be maintained or the spring and the spring plate can be replaced.

Description

TECHNICAL FIELD

[0001] The utility model relates to bypass valve technical field, concretely is a kind of multifunctional bypass valve. BACKGROUND

[0002] Bypass valve is a valve installed on bypass pipeline, for filling water balance inlet valve front and rear water pressure, bypass valve is not specified valve type and structure, it can be called self-operated bypass pressure difference valve or self-operated self pressure difference control valve, the main function of bypass valve is filling water balance inlet valve front and rear water pressure.It is usually used on pressure reducing valve, control valve and steam trap valve and other equipment, when these equipment fails or needs maintenance, bypass valve can be used as standby pipeline, ensure that system continues to run.

[0003] Chinese utility model announcement No. CN221897192U includes: valve body, adjusting piece and movable piece, adjusting piece is connected on the valve body, the adjusting piece includes screw rod, sleeve and handle, the bottom of the screw rod is connected with sleeve, and the top of the screw rod is provided with handle;Movable piece is arranged on the sleeve, and the movable piece includes slide rod, spring and valve core, the slide rod is inserted into the sleeve, the top of the slide rod is provided with spring, and the bottom of the slide rod is provided with valve core, the depth of sleeve into the valve body is adjusted under the action of screw thread feed after valve core is connected with valve body, spring is continuously pressed to make spring be pressed to change shape with sleeve continuously moving into valve body, and the supporting elasticity of spring is conveniently adjusted, and the valve core is elastically supported in different degrees.

[0004] The applicant finds that the patent has some deficiencies in use: the spring may be worn or fatigued for a long time, resulting in performance degradation, which needs to be disassembled and maintained or replaced, but the spring is in the valve body and is fixed between the sleeve and the slide rod, so it is not convenient to take out and disassemble.

[0005] Therefore, the utility model designs a multifunctional bypass valve to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of multifunctional bypass valve to solve the problems in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: a kind of multifunctional bypass valve, comprising: valve body, the valve body is detachably installed with sealing cover, two mounting discs are arranged in the sealing cover, spring is arranged between the two mounting discs, spring plate is installed at the upper and lower ends of the spring, the mounting disc is fixedly installed in the middle of the top inner wall of the sealing cover, valve stem is installed in the bottom of the lower mounting disc, valve core is arranged in the bottom of the valve stem, and mounting assembly is arranged between the mounting disc and the spring plate.

[0008] Preferably, the top outer wall of the valve body is provided with external threads, and the inner wall of the sealing cover is provided with internal threads engaging with the external threads, so that the sealing cover can be stably installed on the valve body through the engagement of the internal and external threads, and the height of the sealing cover on the valve body can be adjusted by rotating the number of turns of the sealing cover, when the sealing cover is lowered, the upper mounting disc is lowered, the distance between the two mounting discs is reduced, the spring is pressed, so that the elastic force of the spring can be adjusted, and the pressure of the valve core movement can be adjusted.

[0009] Preferably, the mounting assembly comprises a slot, the slot is provided on the mounting disc, the slot and the spring plate are inserted, the spring plate and the mounting disc are both provided with threaded holes, and a screw rod is rotatably installed between the two threaded holes through threads.

[0010] Preferably, the screw rod is provided with a handle on one side, and the handle facilitates the rotation of the screw rod.

[0011] Preferably, telescopic rods are installed around the two mounting discs, and the telescopic rods can limit the two mounting discs.

[0012] Preferably, a rotating wheel is installed at the top of the sealing cover, and the rotating wheel facilitates the rotation of the sealing cover.

[0013] Compared with the prior art, the utility model has the beneficial effects as follows:

[0014] 1. When the spring needs to be maintained or replaced after long-term use, the sealing cover is first rotated upwards to separate the sealing cover from the top of the valve body, the spring can be taken out from the valve body, then the screw rod is twisted to separate the spring plate from the mounting disc, the spring and the spring plate can be taken out from between the two mounting discs, and the spring can be maintained or replaced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a front view schematic diagram of the utility model;

[0016] Figure 2 It is a front view schematic diagram of the sealing cover structure of the utility model;

[0017] Figure 3 It is a bottom view schematic diagram of the sealing cover structure of the utility model;

[0018] Figure 4 It is a schematic diagram of the mounting assembly structure of the utility model.

[0019] In the figure: 1, valve body; 2, external thread; 3, sealing cover; 4, internal thread; 5, mounting disc; 6, spring; 7, spring plate; 8, valve stem; 9, valve core; 10, mounting assembly; 101, slot; 102, threaded hole; 103, screw rod; 11, telescopic rod; 12, rotating wheel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 The utility model provides an embodiment: a kind of multifunctional bypass valve, comprising: valve body 1, detachably mounted with sealing cover 3 on valve body 1, two mounting discs 5 are equipped in sealing cover 3, spring 6 is equipped between two mounting discs 5, the upper and lower ends of spring 6 are all installed with spring plate 7, upper mounting disc 5 and the top inner wall of sealing cover 3 middle portion are fixedly installed, the bottom of lower mounting disc 5 is installed with valve stem 8, the bottom of valve stem 8 is equipped with valve core 9, mounting assembly 10 is equipped between mounting disc 5 and spring plate 7, the detailed structure of valve body 1 has been described in detail in announcement number: CN218992474U.

[0022] Please refer to Figures 1-3 In the embodiment: the outer side wall of the top of valve body 1 is provided with external thread 2, and the inner wall of sealing cover 3 is provided with internal thread 4 engaged with external thread 2.

[0023] Please refer to Figures 1-3 In the embodiment: mounting assembly 10 includes slot 101, slot 101 is provided on mounting disc 5, slot 101 and spring plate 7 are inserted, threaded hole 102 is provided on spring plate 7 and mounting disc 5, and screw rod 103 is rotatably installed between two threaded holes 102 by screwing.

[0024] Please refer to Figures 1-3 In the embodiment: handle is installed on one side of screw rod 103.

[0025] Please refer to Figures 1-3 In the embodiment: telescopic rod 11 is installed around between two mounting discs 5.

[0026] Please refer to Figures 1-3 In the embodiment: rotating wheel 12 is installed at the top middle of sealing cover 3.

[0027] Working principle: water flows from the bottom of the valve body 1 into the valve body 1, and then flows out from one side of the valve body 1, when the water pressure is too large, the valve core 9 is pushed up, and the valve rod 8 is lifted to press the spring 6, so that part of the water flows out from the other side of the valve body 1, and when the water pressure recovers, the restoring force of the spring 6 can make the valve core 9 descend to block the other side, so that the water continues to flow out from one side of the valve body 1, when the spring 6 is damaged, the sealing cover 3 is turned out from the top of the valve body 1, the spring 6 is taken out from the valve body 1, and the spring 6 is more convenient to replace without the shielding of the valve body 1, then the worker twists the screw rod 103 to separate the mounting disc 5 and the spring plate 7, so that the spring 6 and the spring plate 7 can be taken out from between the mounting disc 5 for replacement, after the sealing cover 3 is installed on the valve body 1, the sealing cover 3 can be adjusted by rotating the sealing cover 3, the upper mounting disc 5 is lowered after the sealing cover 3 is lowered, because the valve core 9 abuts against the valve in the valve body 1, the lower mounting disc 5 remains stationary, the upper mounting disc 5 is lowered, the spacing between the upper mounting disc 5 and the lower mounting disc 5 is reduced, the spring 6 is pressed, the spring 6 is shortened, so that the spring force of the spring 6 can be adjusted, so that the pressure of the valve core 9 can be adjusted, the contents not described in detail in the description belong to the prior art known to those skilled in the art.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A multifunctional bypass valve, comprising: A valve body (1) is characterized in that: a sealing cover (3) is detachably installed on the valve body (1), two mounting discs (5) are provided inside the sealing cover (3), a spring (6) is provided between the two mounting discs (5), a spring plate (7) is installed at both the upper and lower ends of the spring (6), the upper mounting disc (5) and the sealing cover (3) are fixedly installed at the middle of the top inner wall, a valve stem (8) is installed at the bottom of the lower mounting disc (5), a valve core (9) is provided at the bottom of the valve stem (8), and an installation assembly (10) is provided between the mounting disc (5) and the spring plate (7).

2. The multifunctional bypass valve according to claim 1, characterized in that: The valve body (1) has an external thread (2) on its top outer side wall, and the sealing cover (3) has an internal thread (4) that meshes with the external thread (2) on its inner wall.

3. A multifunctional bypass valve according to claim 1, characterized in that: The mounting assembly (10) includes a slot (101) which is opened on the mounting plate (5). The slot (101) is inserted into the spring plate (7). Both the spring plate (7) and the mounting plate (5) are provided with threaded holes (102). A screw (103) is installed between the two threaded holes (102) by rotating through the threads.

4. A multifunctional bypass valve according to claim 3, characterized in that: A handle is installed on one side of the screw (103).

5. A multifunctional bypass valve according to claim 1, characterized in that: Telescopic rods (11) are installed around the perimeter between the two mounting plates (5).

6. A multifunctional bypass valve according to claim 1, characterized in that: A rotating wheel (12) is installed at the top center of the sealing cover (3).

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