High-performance vacuum stop valve

Abstract

The utility model discloses a high-performance vacuum stop valve, and relates to the field of valves. The high-performance vacuum stop valve comprises a stop valve body, a first sealing groove and a second sealing groove are formed in the stop valve body, an adjusting seat is arranged at the top of the stop valve body, a valve rod is connected to the adjusting seat in a threaded mode, a sliding block is rotationally connected to the valve rod, a valve plate is fixedly connected to the sliding block, and a sealing ball is arranged at the bottom of the valve plate. A second rubber ring corresponding to the second sealing groove is arranged on the sealing ball, and a first rubber ring corresponding to the first sealing groove is connected to the valve plate in a clamped mode. When the high-performance vacuum stop valve is used, when the valve rod controls the valve plate to conduct internal closed throttling on the stop valve body, double sealing can be provided for the connector position, so that high-performance closing of the stop valve body is guaranteed, the vacuum stop valve is good in overall stability and high in strength, and meanwhile the vacuum stop valve is compact in overall structure, easy to maintain and low in cost. And use requirements are met.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a high-performance vacuum stop valve. Background Art

[0002] The vacuum stop valve is a structure that controls the water flow switch. The closing part of the vacuum stop valve is a valve body. The valve body rotates around the center line of the valve body to open and close the valve. It has the characteristics of light weight and small size.

[0003] During the use of the vacuum stop valve, the valve plate inside the valve body and the sealing ring on the valve plate are normal components to ensure the stable operation of the valve body. Usually, after the valve plate is closed, the sealing ring is squeezed to form a seal. This rubber ring is prone to deformation or aging and fails, thereby reducing the sealing effect, resulting in poor sealing performance of the vacuum stop valve during actual use. In view of the shortcomings of the prior art, the utility model provides a high-performance vacuum stop valve to solve the above problems. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a high-performance vacuum stop valve, which, when in use, can provide double sealing for the interface position when the valve stem controls the valve plate to perform internal closed throttling on the stop valve body, thereby ensuring high-performance sealing of the stop valve body, thereby making the vacuum stop valve have good overall stability and high strength. At the same time, the overall structure of the vacuum stop valve is compact and easy to maintain, meeting the use requirements.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a high-performance vacuum stop valve, comprising a stop valve body, wherein a first sealing groove and a second sealing groove are provided inside the stop valve body;

[0006] An adjusting seat is provided on the top of the stop valve body, a valve stem is threadedly connected to the adjusting seat, a slider is rotatably connected to the valve stem, and a valve plate is fixedly connected to the slider;

[0007] A sealing ball is provided at the bottom of the valve plate, and a second rubber ring corresponding to the second sealing groove is provided on the sealing ball;

[0008] A first rubber ring corresponding to the first sealing groove is clamped on the valve plate.

[0009] Preferably, a rotating handle is provided on the valve stem.

[0010] Preferably, a pressure ring is clamped on the valve plate, and the pressure ring is fixedly connected to the first rubber ring.

[0011] Preferably, a fixing plate is provided on the stop valve body, a mounting plate is provided on the adjustment seat, and the mounting plate is fixedly connected to the fixing plate.

[0012] Preferably, a rubber pad is movably clamped between the fixing plate and the mounting plate.

[0013] Preferably, flanges are provided on both sides of the stop valve body.

[0014] The utility model discloses a high-performance vacuum stop valve, which has the following beneficial effects:

[0015] When in use, the high-performance vacuum stop valve can provide double sealing for the interface position when the valve stem controls the valve plate to perform internal closed throttling on the stop valve body, thereby ensuring high-performance sealing of the stop valve body, thereby making the vacuum stop valve have good overall stability and high strength. At the same time, the vacuum stop valve has a compact overall structure and is easy to maintain, meeting the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a disassembly diagram of the valve plate of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the sealing ball of the utility model;

[0020] Figure 4 It is a cross-sectional view of the utility model.

[0021] In the figure: 1. stop valve body; 101. first sealing groove; 102. second sealing groove; 2. adjustment seat; 3. valve stem; 301. turning handle; 4. slider; 5. valve plate; 501. first rubber ring; 502. pressure ring; 6. sealing ball; 601. second rubber ring; 7. fixing plate; 8. mounting plate; 9. flange; 10. rubber pad. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The embodiments of the present application provide a high-performance vacuum stop valve, thereby solving the problem that the vacuum stop valve in the prior art usually squeezes the sealing ring to form a seal after the valve plate is closed, and the rubber ring is easily deformed or aged to fail, thereby reducing the sealing effect and causing poor sealing performance of the vacuum stop valve during actual use.

[0024] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0025] The utility model embodiment discloses a high-performance vacuum stop valve. Figure 1-4 As shown, it comprises a stop valve body 1, and a first sealing groove 101 and a second sealing groove 102 are provided inside the stop valve body 1;

[0026] An adjusting seat 2 is provided on the top of the stop valve body 1, a valve stem 3 is threadedly connected to the adjusting seat 2, a slider 4 is rotatably connected to the valve stem 3, and a valve plate 5 is fixedly connected to the slider 4;

[0027] A sealing ball 6 is provided at the bottom of the valve plate 5, and a second rubber ring 601 corresponding to the second sealing groove 102 is provided on the sealing ball 6;

[0028] A first rubber ring 501 corresponding to the first sealing groove 101 is clamped on the valve plate 5 .

[0029] The valve stem 3 is provided with a rotating handle 301 , which makes the valve stem 3 easy and labor-saving to rotate, thereby facilitating the closing and opening operations of the stop valve body 1 , thereby ensuring that the stop valve body 1 is easy to use.

[0030] Furthermore, the valve plate 5 is clamped with a pressure ring 502 , which is fixedly connected to the first rubber ring 501 . The arrangement of the pressure ring 502 makes it easy to load the first rubber ring 501 on the outside of the valve plate 5 , thereby facilitating replacement and maintenance of the first rubber ring 501 .

[0031] Furthermore, a fixing plate 7 is provided on the stop valve body 1, and a mounting plate 8 is provided on the adjusting seat 2. The mounting plate 8 is fixedly connected to the fixing plate 7. The design of the mounting plate 8 and the fixing plate 7 makes it easy to disassemble and assemble the adjusting seat 2 on the stop valve body 1, thereby making it easy to maintain and replace the first rubber ring 501 and the second rubber ring 601 on the valve plate 5 and the sealing ball 6, thereby ensuring good performance of the stop valve body 1.

[0032] A rubber pad 10 is movably connected between the fixing plate 7 and the mounting plate 8 . The rubber pad 10 ensures a good sealing effect between the fixing plate 7 and the mounting plate 8 .

[0033] Flanges 9 are provided on both sides of the stop valve body 1 , and the provided flanges 9 facilitate the connection of the stop valve body 1 with a pipeline.

[0034] When in use, the high-performance vacuum stop valve can provide double sealing for the interface position when the valve stem 3 controls the valve plate 5 to perform internal closed throttling on the stop valve body 1, thereby ensuring high-performance sealing of the stop valve body 1, thereby making the vacuum stop valve have good overall stability and high strength. At the same time, the overall structure of the vacuum stop valve is compact and easy to maintain, meeting the use requirements.

[0035] When the stop valve body 1 is internally sealed, the handle 301 is directly rotated to drive the valve stem 3 to rotate, the valve stem 3 drives the slider 4 to move, the slider 4 drives the valve plate 5 to move, and the valve plate 5 drives the sealing ball 6 to move, so that the valve plate 5 and the sealing ball 6 are finally clamped in the first sealing groove 101 and the second sealing groove 102 respectively, and the first rubber ring 501 and the second rubber ring 601 are squeezed at the same time. After the first rubber ring 501 and the second rubber ring 601 are squeezed and deformed, a double sealing effect is provided at the interface, which has good performance, good sealing and strong stability.

[0036] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A high performance vacuum stop valve, comprising a stop valve body (1), characterized in that: A first sealing groove (101) and a second sealing groove (102) are provided inside the stop valve body (1); An adjusting seat (2) is provided on the top of the stop valve body (1); a valve stem (3) is threadedly connected to the adjusting seat (2); a slider (4) is rotatably connected to the valve stem (3); and a valve plate (5) is fixedly connected to the slider (4); A sealing ball (6) is provided at the bottom of the valve plate (5), and a second rubber ring (601) corresponding to the second sealing groove (102) is provided on the sealing ball (6); A first rubber ring (501) corresponding to the first sealing groove (101) is clamped on the valve plate (5).

2. The high performance vacuum cut-off valve according to claim 1, characterized in that: The valve stem (3) is provided with a rotating handle (301).

3. The high performance vacuum cut-off valve according to claim 1, characterized in that: The valve plate (5) is clamped with a pressure ring (502), and the pressure ring (502) is fixedly connected to the first rubber ring (501).

4. The high performance vacuum cut-off valve according to claim 1, characterized in that: The stop valve body (1) is provided with a fixing plate (7), the adjustment seat (2) is provided with a mounting plate (8), and the mounting plate (8) is fixedly connected to the fixing plate (7).

5. The high performance vacuum cut-off valve according to claim 4, characterized in that: A rubber pad (10) is movably clamped between the fixing plate (7) and the mounting plate (8).

6. The high performance vacuum cut-off valve according to claim 4, characterized in that: Flanges (9) are provided on both sides of the stop valve body (1).

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