Fluid micro-flow automatic metering device

Abstract

The utility model discloses a fluid micro-flow automatic metering device which comprises a funnel, the inner surface of a sealing plate is fixedly connected with a second sealing ring, the inner surface of the second sealing ring is connected with a filter screen, the outer surface of the funnel is provided with a first connecting block, the outer surface of the sealing plate is fixedly connected with a second connecting block, and the second connecting block is connected with a second sealing ring. An inserting rod is fixedly connected to the right surface of the second connecting block, a clamping groove is formed in the inserting rod, a sliding groove is formed in the second connecting block, a clamping block is slidably connected to the inner surface of the sliding groove, a pull rod is fixedly connected to the upper end of the clamping block, a shifting block is fixedly connected to the upper end of the pull rod, and a spring is arranged on the outer surface of the pull rod. By arranging the filter screen, impurities can be intercepted on the filter screen, the situation that the impurities fall off to affect the detection result is avoided, through cooperation of the spring, the clamping block and the insertion rod, the filter screen can be conveniently taken out of the hopper, the impurities on the filter screen can be conveniently cleaned in time, and water flow blockage is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to fluid detection device technical field, especially relate to a fluid micro -flow automatic metering device. BACKGROUND

[0002] Flow automatic metering device is a kind of equipment for automatically measuring and recording fluid flow, it is widely used in industrial process control, energy management, environmental monitoring and other fields, flow automatic metering device combines mechanical structure and multiple disciplines, such as fluid mechanics, sensor technology, electromagnetism, electronic circuit and single-chip microcomputer etc.The fusion of these technologies makes flow automatic metering device can realize accurate flow measurement and control.

[0003] Then water flow contains a large amount of impurities, micro fluid detection when outlet is usually thin, these impurities are accumulated in the inside of detection device for a long time, not only cause certain error to the result of detection, and easy to make the blockage at outlet, affect water flow circulation. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of fluid micro-flow automatic metering devices, for solving the problem that inside fluid micro-flow automatic metering device is easily blocked.

[0005] To achieve the above object, provide a kind of fluid micro-flow automatic metering device, including, hopper, the upper end of the hopper is provided with inlet, the inlet is provided with solenoid valve, the lower end of the hopper is provided with outlet, the outlet is provided with meter, the inside of the hopper is provided with recess, the inner surface of the recess is slidably connected with sealing plate, the inner surface of the recess is fixedly connected with a pair of first sealing ring, the inner surface of the sealing plate is fixedly connected with second sealing ring, the inner surface of the second sealing ring is connected with filter screen;

[0006] The outer surface of the hopper is provided with first connecting block, the outer surface of the sealing plate is fixedly connected with second connecting block, the right surface of the second connecting block is fixedly connected with plug rod, the inside of plug rod is provided with clamping groove, the inside of the second connecting block is provided with sliding slot, the inner surface of the sliding slot is slidably connected with clamping block, the upper end of the clamping block is fixedly connected with pull rod, the upper end of the pull rod is fixedly connected with push block, the outer surface of the pull rod is provided with spring.

[0007] According to the fluid micro-flow automatic metering device, the inside of the hopper is provided with the insertion slot, the outer surface of the filter screen is fixedly connected with the insertion block, and the inner surface of the insertion slot is matched with the insertion block.

[0008] According to the fluid micro-flow automatic metering device, the upper end of the spring is fixedly connected with the groove bottom of the sliding slot, and the lower end of the spring is fixedly connected with the clamping block.

[0009] According to the fluid micro-flow automatic metering device, the outer surface of the pull rod is in sliding connection with the first connecting block, and the right surface of the first connecting block is in contact with the second connecting block.

[0010] According to the fluid micro-flow automatic metering device, the number of the first connecting blocks is two and is distributed in front and back, and the number of the second connecting blocks is two and is distributed in front and back.

[0011] According to the fluid micro-flow automatic metering device, the upper surface and the lower surface of the second sealing ring are in contact with a pair of first sealing rings, and the inner surface of the sealing plate is in contact with the second sealing ring.

[0012] According to the fluid micro-flow automatic metering device, the inner surface of the hopper is in contact with the filter screen.

[0013] According to the fluid micro-flow automatic metering device, the electromagnetic valve and the meter are electrically connected with the external power supply.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. By setting the filter screen, impurities can be intercepted on the filter screen, avoiding the influence of impurities on the detection result, and through the cooperation between the spring, the clamping block and the inserting rod, the filter screen can be conveniently taken out from the hopper, the impurities on the filter screen can be conveniently cleaned in time, and water flow blockage is avoided.

[0016] 2. Through the cooperation of the first sealing ring and the second sealing ring, the sealing property can be effectively increased, water flow can be prevented from flowing out from the groove, and the problem of inaccurate detection result is avoided.

[0017] The additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further explained in connection with the drawings and embodiments;

[0019] Figure 1 It is whole structural drawing of fluid micro-flow automatic metering device of the utility model;

[0020] Figure 2 It is whole structural sectional view of fluid micro-flow automatic metering device of the utility model;

[0021] Figure 3 It is Figure 2 Structure enlarged schematic view of A place in middle;

[0022] Figure 4Part structure section view of fluid micro-flow automatic metering device.

[0023] Legend:

[0024] 1, funnel; 2, feed inlet; 3, electromagnetic valve; 4, discharge port; 5, groove; 6, sealing plate; 7, first sealing ring; 8, second sealing ring; 9, filter screen; 10, first connecting block; 11, second connecting block; 12, plug rod; 13, clamping groove; 14, sliding groove; 15, clamping block; 16, pull rod; 17, push block; 18, spring; 19, insertion slot; 20, insertion block; 21, meter. DETAILED DESCRIPTION

[0025] 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 limiting the protection scope of the utility model.

[0026] Reference Figures 1-4 , the utility model discloses a kind of fluid micro-flow automatic metering device, it includes, funnel 1, the upper end of funnel 1 is provided with feed inlet 2, feed inlet 2 is provided with electromagnetic valve 3, the lower end of funnel 1 is provided with discharge port 4, discharge port 4 is provided with meter 21, the inside of funnel 1 is provided with groove 5, the inner surface of groove 5 is slidably connected with sealing plate 6, the inner surface of groove 5 is fixedly connected with a pair of first sealing ring 7, the inner surface of sealing plate 6 is fixedly connected with second sealing ring 8, the upper surface and lower surface of second sealing ring 8 are in contact with a pair of first sealing ring 7, the inner surface of sealing plate 6 is in contact with second sealing ring 8, the inner surface of second sealing ring 8 is connected with filter screen 9, the inner surface of funnel 1 is in contact with filter screen 9, electromagnetic valve 3, meter 21 are electrically connected with external power supply, meter realizes the automatic metering of flow by stroke controller, frequency regulation, pressure feedback control, flow feedback control and electronic control system and other technical means, the inside of funnel 1 is provided with insertion slot 19, the outer surface of filter screen 9 is fixedly connected with insertion block 20, the inner surface of insertion slot 19 is adapted with insertion block 20, by the cooperation of insertion block 20 and insertion slot 19, the stress point of filter screen can be increased, to avoid sealing plate 6 damage.

[0027] The outer surface of the funnel 1 is provided with first connecting blocks 10, the number of the first connecting blocks 10 is two and they are distributed in front and back, the outer surface of the sealing plate 6 is fixedly connected with second connecting blocks 11, the right surface of the first connecting block 10 is in contact with the second connecting block 11, the number of the second connecting block 11 is two and they are distributed in front and back, the right surface of the second connecting block 11 is fixedly connected with inserting rods 12, the inner part of the inserting rod 12 is provided with a clamping groove 13, the inner part of the second connecting block 11 is provided with a sliding slot 14, the inner surface of the sliding slot 14 is slidingly connected with a clamping block 15, the side surface of the clamping block 15 is arc surface, through the arc surface, the pulling block 17 does not need to be pulled during installation, the upper end of the clamping block 15 is fixedly connected with a pulling rod 16, the outer surface of the pulling rod 16 is slidingly connected with the first connecting block 10, the upper end of the pulling rod 16 is fixedly connected with a pulling block 17, the outer surface of the pulling rod 16 is provided with a spring 18, the upper end of the spring 18 is fixedly connected with the groove bottom of the sliding slot 14, and the lower end of the spring 18 is fixedly connected with the clamping block 15.

[0028] Working principle: when the filter screen 9 needs to be disassembled, the pulling block 17 is pulled, the pulling block 17 drives the pulling rod 16 to slide, the pulling rod 16 drives the clamping block 15 to slide, when the clamping groove 13 loses the limitation of the clamping block 15, the sealing plate 6 together with the filter screen 9 can be taken out, during installation, the sealing plate 6 is aligned with the recess 5 and is inserted, at the moment, the inserting rod 12 extrudes the arc surface of the clamping block 15 and makes it enter the inner part of the sliding slot 14, when the clamping groove 13 is aligned with the clamping block 15, the clamping block 15 loses the limitation and drives the clamping block 15 to rebound and insert into the inner part of the clamping groove 13 under the action force of the spring 18, so that the fixing is completed, after the sealing plate 6 is inserted, the first sealing ring 7 is attached with the second sealing ring 8, so that the water flow seepage is avoided.

[0029] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, within the knowledge range possessed by the ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A fluid microflow automatic metering device, characterized by, Include: Funnel (1), the upper end of the funnel (1) is provided with a feed port (2), the feed port (2) is provided with a solenoid valve (3), the lower end of the funnel (1) is provided with a discharge port (4), the discharge port (4) is provided with a meter (21), the inside of the funnel (1) is provided with a groove (5), the inner surface of the groove (5) is slidably connected with a sealing plate (6), the inner surface of the groove (5) is fixedly connected with a pair of first sealing rings (7), the inner surface of the sealing plate (6) is fixedly connected with a second sealing ring (8), the inner surface of the second sealing ring (8) is connected with a filter screen (9); The outer surface of the funnel (1) is provided with a first connecting block (10), the outer surface of the sealing plate (6) is fixedly connected with a second connecting block (11), the right surface of the second connecting block (11) is fixedly connected with a plug rod (12), the inside of the plug rod (12) is provided with a clamping groove (13), the inside of the second connecting block (11) is provided with a sliding groove (14), the inner surface of the sliding groove (14) is slidably connected with a clamping block (15), the upper end of the clamping block (15) is fixedly connected with a pull rod (16), the upper end of the pull rod (16) is fixedly connected with a push block (17), the outer surface of the pull rod (16) is provided with a spring (18).

2. The fluid micro-flow automatic metering device according to claim 1, wherein, The inside of the funnel (1) is provided with a plug slot (19), the outer surface of the filter screen (9) is fixedly connected with a plug block (20), the inner surface of the plug slot (19) is matched with the plug block (20).

3. The fluid micro-flow automatic metering device according to claim 1, wherein, The upper end of the spring (18) is fixedly connected with the groove bottom of the sliding groove (14), and the lower end of the spring (18) is fixedly connected with the clamping block (15).

4. The fluid micro-flow automatic metering device according to claim 1, wherein, The outer surface of the pull rod (16) is slidably connected with the first connecting block (10), and the right surface of the first connecting block (10) is in contact with the second connecting block (11).

5. The fluid micro-flow automatic metering device according to claim 1, wherein, The number of the first connecting block (10) is two and is distributed in front and back, and the number of the second connecting block (11) is two and is distributed in front and back.

6. The fluid micro-flow automatic metering device according to claim 1, wherein, The upper surface and the lower surface of the second sealing ring (8) are in contact with the pair of first sealing rings (7), and the inner surface of the sealing plate (6) is in contact with the second sealing ring (8).

7. The fluid micro-flow automatic metering device according to claim 1, wherein, The inner surface of the funnel (1) is in contact with the filter screen (9).

8. The fluid micro-flow automatic metering device according to claim 1, wherein, The solenoid valve (3) and the meter (21) are electrically connected with an external power supply.

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