Pneumatic sectional type stop valve

Abstract

The pneumatic sectional type stop valve comprises a first flange, a cylinder body is fixedly arranged on the inner side face of the first flange, a support is fixedly arranged on the top face of the cylinder body, a tank body is fixedly arranged on the top face of the support, a filtering part is arranged on the right side of the first flange, and a blocking part is arranged on the left side of the first flange. The filtering part comprises a second flange, the left side face of the second flange is fixedly connected with the right side face of the first flange, a connecting pipe is fixedly arranged on the inner side face of the second flange, a filtering pipe is fixedly arranged on the inner side face of the connecting pipe, and the inner wall of the filtering pipe makes contact with a filtering plate. The second flange is connected with a pipeline, water flow enters the filter pipe through the second flange and then is filtered through the filter plate, and when the filter plate needs to be cleaned, the grip is twisted to control the threaded rod to rotate, the threaded rod is pushed to be lifted on the inner wall of the supporting frame, and the filter plate is driven to lift out of the filter pipe to clean the filter pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of cut-off valves, in particular to a pneumatic sectional cut-off valve. Background Art

[0002] Pneumatic shut-off valves all have the function of rapid shut-off and have the characteristics of simple structure, sensitive response, and reliable operation. They can be widely used in industrial production departments such as petroleum, chemical industry, and metallurgy.

[0003] China Patent Network discloses a pneumatic shut-off valve, with the publication number CN214500191U, comprising a shut-off valve body and a connecting pipe, flanges being installed on the outer walls at both ends of the connecting pipe, a shut-off plate being provided inside the connecting pipe, a hole being opened in the middle of the shut-off plate and a filter ring being installed, a sealing gasket being provided on the top of the filter ring, and a filter plate being installed in the middle of the inner side of the filter ring. When the shut-off valve body of the utility model is closed, the motor is closed, and the lower pressure rod in the shut-off valve body descends to press against the pressure plate so that the movable rod descends, and when the movable rod descends, the scraper is kept upright by the torsion spring so as to be separated from the side surface of the sealing gasket, and when the movable rod descends, it presses against the motor to descend through the sealing slide, and the motor descends in the slide groove inside the slide tube through the slide rod, and the buffer spring pad is used to keep the motor contained when it descends, and to reset the motor when the shut-off valve body is opened;

[0004] However, after years of use, the device may cause impurities in the water source to condense, causing embolism in the internal mechanism of the cut-off valve, and the device may not completely cut off. Therefore, a pneumatic sectional cut-off valve is proposed. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a pneumatic sectional cut-off valve.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pneumatic sectional cut-off valve, comprising a first flange, a cylinder body is fixedly arranged on the inner side of the first flange, a bracket is fixedly arranged on the top surface of the cylinder body, a tank body is fixedly arranged on the top surface of the bracket, a filter part is arranged on the right side of the first flange, and a blocking part is arranged on the left side of the first flange;

[0007] The filter part includes a second flange, the left side of the second flange is fixedly connected to the right side of the first flange, a connecting pipe is fixedly provided on the inner side of the second flange, a filter tube is fixedly provided on the inner side of the connecting pipe, a supporting frame is fixedly provided on the outer side of the filter tube, and the inner wall of the filter tube contacts the filter plate.

[0008] As a further description of the above technical solution:

[0009] A threaded rod is provided on the top surface of the filter plate, the bottom surface of the threaded rod is rotatably connected to the top surface of the filter plate, the surface of the threaded rod is threadedly connected to the inner wall of the support frame, and a handle is fixedly provided on the surface of the threaded rod. The setting of the threaded rod can push the filter plate to lift.

[0010] As a further description of the above technical solution:

[0011] A connecting plate is provided on the outer side of the filter plate, a second spring is provided on the bottom of the connecting plate, the top of the second spring is fixedly connected to the bottom of the connecting plate, the bottom of the second spring is fixedly connected to the inner wall of the support frame, a sliding groove is provided on the surface of the support frame, and the inner wall of the sliding groove is slidably connected to the connecting plate.

[0012] As a further description of the above technical solution:

[0013] The inner wall of the tank body is in contact with a push plate, a first spring is fixedly arranged on the bottom of the push plate, a push rod is fixedly arranged on the inner wall of the push plate, a cutting block is fixedly arranged on the bottom of the push rod, a pointer is fixedly arranged on the surface of the push rod, a cavity is opened inside the cylinder body, and the setting of the spring can make the filter plate closed.

[0014] As a further description of the above technical solution:

[0015] The blocking part comprises a water pipe, a rotating sleeve is arranged on the surface of the water pipe, an inner side of the rotating sleeve is fixedly connected to the surface of the water pipe, a gear is arranged on the surface of the rotating sleeve, and an inner wall of the gear is fixedly connected to the surface of the rotating sleeve.

[0016] As a further description of the above technical solution:

[0017] The inner wall of the rotating sleeve is provided with a rotating rod, the surface of the rotating rod is rotatably connected with the inner wall of the rotating sleeve, and a baffle is fixedly provided on the bottom surface of the rotating rod.

[0018] As a further description of the above technical solution:

[0019] The top surface of the rotating rod is provided with a rotating plate, the bottom surface of the rotating plate is fixedly connected to the top surface of the rotating rod, the inner wall of the rotating plate is provided with a clamping plate, and the surface of the clamping plate is plugged into the inner wall of the rotating plate.

[0020] The utility model has the following beneficial effects:

[0021] 1. Compared with the prior art, the pneumatic sectional shut-off valve connects the second flange to the pipeline, and the water flows through the second flange into the filter tube, and then passes through the filter plate for filtering. When the filter plate needs to be cleaned, the handle is twisted to control the rotation of the threaded rod, and the threaded rod is pushed to lift on the inner wall of the support frame, driving the filter plate to rise from the filter tube for cleaning. This arrangement can filter the water flow inside the pipeline to prevent impurities carried by the water flow from clogging the inside of the device.

[0022] 2. Compared with the prior art, the pneumatic sectional cut-off valve drives the baffle to block the water pipe by twisting the rotary rod and inserting the card into the gear. This setting can cut off the water flow for a second time to avoid incomplete water flow cutoff. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a front view of a pneumatic sectional cut-off valve proposed by the utility model;

[0024] Figure 2 This is a rear view of a pneumatic sectional cut-off valve proposed by the utility model;

[0025] Figure 3 For this utility model Figure 2 A magnified image of area A;

[0026] Figure 4 It is a side sectional view of a pneumatic segmented cut-off valve proposed by the utility model;

[0027] Figure 5 The utility model is a front cross-sectional view of a pneumatic sectional cut-off valve.

[0028] Legend:

[0029] 1. first flange; 2. cylinder body; 3. bracket; 4. tank body; 5. push plate; 6. first spring; 7. pointer; 8. push rod; 9. cut-off block; 10. cavity; 11. filter part; 1101. second flange; 1102. connecting pipe; 1103. filter tube; 1104. support frame; 1105. filter plate; 1106. threaded rod; 1107. handle; 1108. connecting plate; 1109. second spring; 1110. slide groove; 12. blocking part; 1201. water pipe; 1202. rotating sleeve; 1203. gear; 1204. rotating rod; 1205. baffle; 1206. rotating plate; 1207. clamping plate. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0031] Reference Figure 1-5 The utility model provides a pneumatic sectional cut-off valve: comprising a first flange 1, a cylinder body 2 is fixedly arranged on the inner side of the first flange 1, a bracket 3 is fixedly arranged on the top surface of the cylinder body 2, a tank body 4 is fixedly arranged on the top surface of the bracket 3, a filter part 11 is arranged on the right side of the first flange 1, and a blocking part 12 is arranged on the left side of the first flange 1;

[0032] The filter part 11 includes a second flange 1101, the left side of the second flange 1101 is fixedly connected to the right side of the first flange 1, a connecting pipe 1102 is fixedly provided on the inner side of the second flange 1101, a filter tube 1103 is fixedly provided on the inner side of the connecting tube 1102, a support frame 1104 is fixedly provided on the outer side of the filter tube 1103, and the inner wall of the filter tube 1103 contacts the filter plate 1105.

[0033] A threaded rod 1106 is disposed on the top surface of the filter plate 1105 , the bottom surface of the threaded rod 1106 is rotatably connected to the top surface of the filter plate 1105 , the surface of the threaded rod 1106 is threadedly connected to the inner wall of the support frame 1104 , and a handle 1107 is fixedly disposed on the surface of the threaded rod 1106 .

[0034] A connecting plate 1108 is arranged on the outer side surface of the filter plate 1105, a second spring 1109 is arranged on the bottom surface of the connecting plate 1108, the top surface of the second spring 1109 is fixedly connected to the bottom surface of the connecting plate 1108, the bottom surface of the second spring 1109 is fixedly connected to the inner wall of the support frame 1104, a sliding groove 1110 is provided on the surface of the support frame 1104, and the inner wall of the sliding groove 1110 is slidably connected to the connecting plate 1108.

[0035] The inner wall of the tank body 4 contacts with a push plate 5, a first spring 6 is fixedly arranged on the bottom surface of the push plate 5, a push rod 8 is fixedly arranged on the inner wall of the push plate 5, a cutting block 9 is fixedly arranged on the bottom surface of the push rod 8, a pointer 7 is fixedly arranged on the surface of the push rod 8, and a cavity 10 is opened inside the cylinder body 2.

[0036] The blocking part 12 includes a water pipe 1201 , a rotating sleeve 1202 is arranged on the surface of the water pipe 1201 , the inner side of the rotating sleeve 1202 is fixedly connected to the surface of the water pipe 1201 , a gear 1203 is arranged on the surface of the rotating sleeve 1202 , and the inner wall of the gear 1203 is fixedly connected to the surface of the rotating sleeve 1202 .

[0037] A rotating rod 1204 is disposed on the inner wall of the rotating sleeve 1202 . The surface of the rotating rod 1204 is rotatably connected to the inner wall of the rotating sleeve 1202 . A baffle 1205 is fixedly disposed on the bottom surface of the rotating rod 1204 .

[0038] A rotating plate 1206 is disposed on the top surface of the rotating rod 1204 , the bottom surface of the rotating plate 1206 is fixedly connected to the top surface of the rotating rod 1204 , a clamping plate 1207 is disposed on the inner wall of the rotating plate 1206 , and the surface of the clamping plate 1207 is plugged into the inner wall of the rotating plate 1206 .

[0039] Working principle: connect the second flange 1101 to the pipeline, the water flows through the second flange 1101 into the filter tube 1103, and then passes through the filter plate 1105 for filtering. When the filter plate 1105 needs to be cleaned, twist the handle 1107 to control the rotation of the threaded rod 1106, push the threaded rod 1106 to lift on the inner wall of the support frame 1104, drive the filter plate 1105 to lift out of the filter tube 1103, and clean it.

[0040] The water flows into the cylinder body 2 through the first flange 1. When the water flow needs to be cut off, air is injected into the tank body 4 to push the push plate 5 downward, driving the cut-off block 9 to block the cavity 10 to block the water. If the water is not blocked completely, it enters the water pipe 1201, twisting the rotary rod 1204 to rotate, driving the baffle 1205 to block the water pipe 1201, and inserting the clamping plate 1207 into the gear 1203.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pneumatic sectional cut-off valve, comprising a first flange (1), characterized in that: A cylinder body (2) is fixedly arranged on the inner side surface of the first flange (1), a bracket (3) is fixedly arranged on the top surface of the cylinder body (2), a tank body (4) is fixedly arranged on the top surface of the bracket (3), a filtering part (11) is arranged on the right side of the first flange (1), and a blocking part (12) is arranged on the left side of the first flange (1); The filter portion (11) comprises a second flange (1101), the left side surface of the second flange (1101) being fixedly connected to the right side surface of the first flange (1), a connecting pipe (1102) being fixedly arranged on the inner side surface of the second flange (1101), a filter tube (1103) being fixedly arranged on the inner side surface of the connecting pipe (1102), a supporting frame (1104) being fixedly arranged on the outer side surface of the filter tube (1103), and the inner wall of the filter tube (1103) being in contact with a filter plate (1105).

2. A pneumatic sectional cut-off valve according to claim 1, characterized in that: The top surface of the filter plate (1105) is provided with a threaded rod (1106); the bottom surface of the threaded rod (1106) is rotatably connected to the top surface of the filter plate (1105); the surface of the threaded rod (1106) is threadedly connected to the inner wall of the support frame (1104); and a handle (1107) is fixedly provided on the surface of the threaded rod (1106).

3. A pneumatic sectional cut-off valve according to claim 2, characterized in that: The outer side surface of the filter plate (1105) is provided with a connecting plate (1108), the bottom surface of the connecting plate (1108) is provided with a second spring (1109), the top surface of the second spring (1109) is fixedly connected to the bottom surface of the connecting plate (1108), the bottom surface of the second spring (1109) is fixedly connected to the inner wall of the support frame (1104), the surface of the support frame (1104) is provided with a sliding groove (1110), and the inner wall of the sliding groove (1110) is slidably connected to the connecting plate (1108).

4. The pneumatic sectional cut-off valve according to claim 1, characterized in that: The inner wall of the tank body (4) contacts a push plate (5), a first spring (6) is fixedly arranged on the bottom surface of the push plate (5), a push rod (8) is fixedly arranged on the inner wall of the push plate (5), a cutting block (9) is fixedly arranged on the bottom surface of the push rod (8), a pointer (7) is fixedly arranged on the surface of the push rod (8), and a cavity (10) is opened inside the cylinder body (2).

5. The pneumatic sectional cut-off valve according to claim 1, characterized in that: The blocking portion (12) comprises a water pipe (1201), a rotating sleeve (1202) being provided on the surface of the water pipe (1201), an inner side surface of the rotating sleeve (1202) being fixedly connected to the surface of the water pipe (1201), a gear (1203) being provided on the surface of the rotating sleeve (1202), an inner wall of the gear (1203) being fixedly connected to the surface of the rotating sleeve (1202).

6. A pneumatic sectional cut-off valve according to claim 5, characterized in that: The inner wall of the rotating sleeve (1202) is provided with a rotating rod (1204), the surface of the rotating rod (1204) is rotatably connected to the inner wall of the rotating sleeve (1202), and a baffle (1205) is fixedly provided on the bottom surface of the rotating rod (1204).

7. A pneumatic sectional cut-off valve according to claim 6, characterized in that: The top surface of the rotating rod (1204) is provided with a rotating plate (1206), the bottom surface of the rotating plate (1206) is fixedly connected to the top surface of the rotating rod (1204), the inner wall of the rotating plate (1206) is provided with a clamping plate (1207), and the surface of the clamping plate (1207) is plugged into the inner wall of the rotating plate (1206).

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