Throttling stop valve

Abstract

The utility model discloses a throttling stop valve which comprises a throttling stop valve body, a feeding channel is arranged on the outer surface of the throttling stop valve body, a discharging channel is arranged on the outer surface of the throttling stop valve body, an inserting groove is formed in the outer surface of the feeding channel, and a filter screen is connected to the inner surface of the inserting groove in a sliding mode. The upper surface of the filter screen is fixedly connected with a U-shaped limiting plate, the upper surface of the U-shaped limiting plate is fixedly connected with a handle frame, the outer surface of the U-shaped limiting plate is fixedly connected with a first toothed plate and a fixing assembly, and the fixing assembly comprises a fixing frame, a guide rod, a sliding block, a second toothed plate, a connecting rod, a pull ball, a rotating block and a spring. By arranging the filter screen, solid particulate matter entering the throttling stop valve body can be intercepted, so that the particulate matter is prevented from entering the internal structure of the throttling stop valve body, the use effect of the valve is improved, by arranging the first toothed plate and the fixing assembly, the filter screen can be detached, and practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, especially a throttling stop valve. BACKGROUND

[0002] In modern industrial production process, fluid control is a vital link. Fluid control equipment, especially valve, plays a key role in regulating flow, pressure, temperature and the like. As a common fluid control device, throttling stop valve is widely used in various industrial systems. Throttling stop valve realizes opening and closing of fluid through lifting of valve clapper, and has characteristics of simple structure, convenient operation, good sealing performance and the like.

[0003] But the existing throttling stop valve still has certain defects, for example: lack of filtering structure, leading to that solid particles possibly contained in fluid enter valve interior, and then causing accumulation of particles in valve interior, influencing closing of valve. UTILITY MODEL CONTENT

[0004] The utility model discloses a purpose in at least one of the technical problems existing in prior art, provide a kind of throttling stop valve, solid particles that can intercept into the body inside of throttling stop valve, to prevent these particles from entering the internal structure of throttling stop valve body, and then improve the use effect of valve.

[0005] The utility model further provides a kind of throttling stop valve with the above, comprising:

[0006] Throttling stop valve body, the outer surface of the throttling stop valve body is provided with feed channel, the outer surface of the throttling stop valve body is provided with discharge channel, the outer surface of the feed channel is provided with slot, the inner surface of the slot is slidably connected with filter screen, the upper surface of the filter screen is fixedly connected with U-shaped limit plate, the upper surface of the U-shaped limit plate is fixedly connected with handle frame, the outer surface of the U-shaped limit plate is fixedly connected with first toothed plate.

[0007] Fixed component, the fixed component includes fixed frame, guide rod, sliding block, second toothed plate, connecting rod, pull ball, rotating block and spring, the inner surface of the fixed frame is fixedly connected with guide rod, the outer surface of the sliding block is fixedly connected with second toothed plate, the end, away from second toothed plate, of the connecting rod is fixedly connected with pull ball, the outer surface of the connecting rod is threadedly connected with rotating block, the outer surface of the second toothed plate is fixedly connected with spring.

[0008] According to the throttling stop valve, the outer surface of the fixed frame is provided with through groove, the inner surface of the through groove is matched with sliding block, for limiting the movement of sliding block.

[0009] According to the throttling stop valve, the outer surface of the fixed frame is provided with a placing groove, the inner surface of the placing groove is matched with the U-shaped limiting plate, and the filter screen is facilitated to be mounted.

[0010] According to the throttling stop valve, the upper surface of the feeding channel is in contact with the U-shaped limiting plate, and the first tooth plate is engaged with the second tooth plate, so that the filter screen is facilitated to be fixed.

[0011] According to the throttling stop valve, the number of the fixed assemblies is two and the fixed assemblies are symmetrically distributed, and the outer surface of the feeding channel is fixedly connected with the fixed frame.

[0012] According to the throttling stop valve, the outer surface of the guide rod is slidably connected with the sliding block, and the outer surface of the second tooth plate is fixedly connected with the connecting rod.

[0013] According to the throttling stop valve, the outer surface of the fixed frame is in contact with the rotating block, and the position of the second tooth plate is temporarily fixed.

[0014] According to the throttling stop valve, the spring is arranged on the outer surface of the connecting rod, and one end, away from the second tooth plate, of the spring is fixedly connected with the fixed frame.

[0015] Compared with the prior art, the throttling stop valve has the following beneficial effects:

[0016] 1. The filter screen is arranged, solid particles entering the inside of the throttling stop valve body can be intercepted, so that the solid particles enter the internal structure of the throttling stop valve body, and the use effect of the valve is improved.

[0017] 2. The first tooth plate and the fixed assembly are arranged, the filter screen can be disassembled, and the practicability is high.

[0018] Additional aspects and advantages of the present application will be given in part in the following description, will become apparent from the following description, or will be learned by practicing the present application. BRIEF DESCRIPTION OF DRAWINGS

[0019] The present application will be further described below in combination with the drawings and embodiments.

[0020] Figure 1 It is a whole structure schematic view of the throttling stop valve of the present application;

[0021] Figure 2 It is a partial structure schematic view of the throttling stop valve of the present application;

[0022] Figure 3 It is Figure 2 It is an enlarged schematic view of the structure at A in the figure;

[0023] Figure 4 Figure is a schematic diagram of the feed channel structure of the throttling stop valve of the utility model;

[0024] Figure 5 Figure is a schematic diagram of the internal part structure of the throttling stop valve of the utility model;

[0025] Figure 6 Figure is a schematic diagram of the fixed assembly structure of the throttling stop valve of the utility model.

[0026] Legend:

[0027] 1, throttling stop valve body; 2, feed channel; 3, discharge channel; 4, filter screen; 5, U-shaped limiting plate; 6, handle frame; 7, first toothed plate; 8, fixed assembly; 9, fixed frame; 10, guide rod; 11, sliding block; 12, second toothed plate; 13, connecting rod; 14, pull ball; 15, rotating block; 16, spring; 17, through slot; 18, placing groove; 19, insertion slot. DETAILED DESCRIPTION

[0028] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0029] Referring to Figures 1-6 , the utility model embodiment a kind of throttling stop valve, it includes: throttling stop valve body 1, the outer surface of throttling stop valve body 1 is provided with feed channel 2, the outer surface of throttling stop valve body 1 is provided with discharge channel 3, the outer surface of feed channel 2 is provided with insertion slot 19, insertion slot 19 is slidably connected with filter screen 4 in inner surface, the upper surface of filter screen 4 is fixedly connected with U-shaped limiting plate 5, the upper surface of U-shaped limiting plate 5 is fixedly connected with handle frame 6, the outer surface of U-shaped limiting plate 5 is fixedly connected with first toothed plate 7, the upper surface of feed channel 2 is in contact with U-shaped limiting plate 5.

[0030] The fixed assembly 8 comprises a fixed frame 9, a guide rod 10, a sliding block 11, a second toothed plate 12, a connecting rod 13, a pull ball 14, a rotating block 15 and a spring 16, the inner surface of the fixed frame 9 is fixedly connected with the guide rod 10, the outer surface of the sliding block 11 is fixedly connected with the second toothed plate 12, one end of the connecting rod 13 away from the second toothed plate 12 is fixedly connected with the pull ball 14, the outer surface of the connecting rod 13 is threadedly connected with the rotating block 15, the outer surface of the second toothed plate 12 is fixedly connected with the spring 16, the outer surface of the fixed frame 9 is provided with a through groove 17, the inner surface of the through groove 17 is matched with the sliding block 11, the outer surface of the fixed frame 9 is provided with a placing groove 18, the inner surface of the placing groove 18 is matched with the U-shaped limiting plate 5, the first toothed plate 7 is engaged with the second toothed plate 12, the number of the fixed assembly 8 is two and the fixed assemblies 8 are symmetrically distributed, the outer surface of the feeding channel 2 is fixedly connected with the fixed frame 9, the outer surface of the guide rod 10 is slidingly connected with the sliding block 11, the outer surface of the second toothed plate 12 is fixedly connected with the connecting rod 13, the outer surface of the fixed frame 9 is in contact with the rotating block 15, the spring 16 is arranged on the outer surface of the connecting rod 13, and one end of the spring 16 away from the second toothed plate 12 is fixedly connected with the fixed frame 9.

[0031] Principle: In use, the fluid enters the throttling stop valve body 1 through the feeding channel 2 and is discharged through the discharging channel 3, when the fluid passes through the filter screen 4 inside the feeding channel 2, the fixed particle impurities possibly contained in the fluid are intercepted, thereby avoiding the risk of damaging the internal structure of the throttling stop valve body 1, when it is needed to clean the filter screen 4, the pull ball 14 on the fixed assembly 8 is pulled, the connecting rod 13 drives the second toothed plate 12 to move outward along the guide rod 10 under the action of the sliding block 11 and the spring 16 is compressed, then the rotating block 15 is rotated, the rotating block 15 is in contact with the fixed frame 9, thereby temporarily fixing the position of the second toothed plate 12, at this time, the engagement between the second toothed plate 12 and the first toothed plate 7 is released, then the handle frame 6 is pulled upward, the filter screen 4 can be pulled out as a whole, then the cleaned filter screen 4 is inserted into the insertion slot 19 as a whole, when the upper surface of the feeding channel 2 is in contact with the U-shaped limiting plate 5, the U-shaped limiting plate 5 and the first toothed plate 7 are inserted into the placing groove 18 and the first toothed plate 7 and the second toothed plate 12 are in the corresponding position, then the pull ball 14 is loosened and the rotating block 15 is reversely rotated, under the rebounding force of the spring 16, the second toothed plate 12 is re-engaged with the first toothed plate 7, thereby completing the limiting and fixed installation of the filter screen 4 as a whole.

[0032] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of ordinary skill in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A throttling stop valve, characterized by The utility model relates to a throttling stop valve body (1), the outer surface of throttling stop valve body (1) is provided with feed channel (2), the outer surface of throttling stop valve body (1) is provided with discharge channel (3), the outer surface of feed channel (2) is provided with slot (19), the inner surface sliding connection of slot (19) is provided with filter screen (4), the upper surface fixed connection of filter screen (4) is provided with U-shaped limiting plate (5), the outer surface fixed connection of U-shaped limiting plate (5) is provided with first toothed plate (7), fixed assembly (8) is including fixed frame (9), guide rod (10), sliding block (11), second toothed plate (12), connecting rod (13), pull ball (14), rotating block (15) with spring (16), the inner surface of fixed frame (9) is fixedly connected with guide rod (10), the outer surface of sliding block (11) is fixedly connected with second toothed plate (12), the one end of connecting rod (13) away from second toothed plate (12) is fixedly connected with pull ball (14), the outer surface of connecting rod (13) is threadedly connected with rotating block (15), the outer surface of second toothed plate (12) is fixedly connected with spring (16). The outer surface of fixed frame (9) is provided with through groove (17), and the inner surface of through groove (17) is matched with sliding block (11). The outer surface of fixed frame (9) is provided with placing groove (18), and the inner surface of placing groove (18) is matched with U-shaped limiting plate (5).

2. A throttling stop valve according to claim 1, characterised in that The upper surface of feed channel (2) is in contact with U-shaped limiting plate (5), and the first toothed plate (7) is engaged with the second toothed plate (12).

3. A throttling stop valve according to claim 1, wherein The number of fixed assembly (8) is two and is symmetrically distributed, and the outer surface of feed channel (2) is fixedly connected with fixed frame (9).

4. A throttling stop valve according to claim 1, wherein The outer surface of guide rod (10) is slidably connected with sliding block (11), and the outer surface of second toothed plate (12) is fixedly connected with connecting rod (13).

5. The throttling stop valve according to claim 1, wherein The outer surface of fixed frame (9) is in contact with rotating block (15).

6. A throttling stop valve according to claim 1, wherein The spring (16) is arranged on the outer surface of connecting rod (13), and the one end of spring (16) away from second toothed plate (12) is fixedly connected with fixed frame (9).

7. A throttling stop valve according to claim 1, wherein ​ 8. A throttling stop valve according to claim 1, wherein ​

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