Automatic liquid supplementing and auxiliary agent adding device

Abstract

The utility model relates to the technical field of automatic liquid supplementing, in particular to an automatic liquid supplementing and auxiliary agent adding device which is characterized in that a first filter layer is used for preliminarily filtering supplementing liquid, large-particle impurities cannot penetrate through a first filter screen and are intercepted on the upper surface of the first filter screen, and the supplementing liquid filtered by the first filter layer flows downwards to a second filter layer; the second filter layer filters the replenishing liquid again, medium-particle impurities cannot penetrate through the second filter screen and are intercepted on the upper surface of the second filter screen, the replenishing liquid filtered by the second filter screen downwards flows to the third filter layer, the third filter layer deeply filters the replenishing liquid, and small-particle impurities cannot penetrate through the third filter screen and are intercepted on the upper surface of the second filter screen. The first filter screen, the second filter screen and the third filter screen sequentially filter replenisher and respectively intercept particle impurities of different sizes, most of the impurities in the replenisher filtered by the three layers of filter screens are removed, and cleanliness of the replenisher flowing into the liquid storage tank is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to automatic liquid supplement technology field especially for automatic liquid supplement and auxiliary agent adding device. BACKGROUND

[0002] Automatic liquid supplement and auxiliary agent adding device is applied to various liquid related instruments, such as automatic addition of liquid medicine, automatic addition of cooling water, automatic addition of chemical preparation, etc., and the automatic liquid supplement system can keep the system pressure at a stable value, when the pressure is reduced, the valve will be automatically opened, and the liquid is supplemented to the system, after reaching the set pressure, the valve is automatically closed, the self-contained filter in the valve can avoid the inflow of impurities, and the built-in check valve in the valve can prevent the backflow of added liquid, even if the inlet pressure changes, the pressure regulator can keep the outlet pressure stable.

[0003] But the filter screen of the traditional automatic liquid supplement and auxiliary agent adding device is single, only specific size impurities can be filtered, and the cleanliness of the supplemented liquid cannot be guaranteed. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of automatic liquid supplement and auxiliary agent adding devices, to solve the problem that the filter screen of its filter in the related technology is single, only specific size impurities can be filtered, and the cleanliness of the supplemented liquid cannot be guaranteed.

[0005] To achieve the above-mentioned purpose, according to one aspect of the utility model, an automatic liquid supplement and auxiliary agent adding device is provided, comprising a liquid storage tank, further comprising:

[0006] A liquid inlet is provided on the top of the liquid storage tank, and the liquid inlet penetrates the top wall of the liquid storage tank. The liquid inlet can be used to add liquid to the liquid storage tank.

[0007] A filter part is provided in the liquid inlet. The filter part filters the liquid in the liquid inlet. The filter part can be removed and replaced.

[0008] Further, a ring of bosses is fixed below the inner ring of the liquid inlet. The inner diameter of the boss is smaller than the outer diameter of the filter part. The filter part is placed on the boss.

[0009] Further, the filter part includes a plurality of filter columns, a sealing ring, and a plurality of channels. The sealing ring is fixed to the upper surface of the filter part.

[0010] Further, the channels are inclined and penetrate the filter part, extending the length of the channels. The filter columns are fixed in the channels and filter the liquid in the filter part.

[0011] Further, the filter column comprises a first filter layer, a second filter layer, a third filter layer and a support shell, the first filter layer is fixedly arranged at the top end of the support shell, the third filter layer is fixedly arranged at the bottom end of the support shell, and the top end of the second filter layer is fixedly connected with the first filter layer and the bottom end is fixedly connected with the third filter layer.

[0012] Further, the first filter layer comprises a plurality of support rods and a first filter screen, the end of each support rod is fixedly connected with the top end of the support shell, and the first filter screen is fixedly arranged between the support rods.

[0013] Further, the second filter layer comprises a support column and a second filter screen, the two ends of the support column are fixedly connected with the first filter layer and the third filter layer respectively, the second filter screen is in a tapered shape with the upper end smaller than the lower end, the upper end of the second filter screen is fixedly arranged on the upper end surface of the support column, and the lower end is fixedly arranged on the upper surface of the third filter layer.

[0014] Further, the third filter layer comprises a support rod and a third filter screen, the end of each support rod is fixedly connected with the bottom end of the support shell, and the third filter screen is fixedly arranged between the support rods.

[0015] Compared with the prior art, the utility model has the advantages that the supplement liquid flowing through the filter part is blocked by the sealing ring, the supplement liquid cannot flow into the liquid storage tank from the gap between the filter part and the liquid inlet, the part of supplement liquid cannot be filtered, and the cleanliness of the supplement liquid in the liquid storage tank is ensured; the first filter layer preliminarily filters the supplement liquid, the large particle impurities cannot pass through the first filter screen and are intercepted on the upper surface of the first filter screen, the supplement liquid filtered through the first filter layer flows downwards to the second filter layer, the second filter layer filters the supplement liquid again, the medium particle impurities cannot pass through the second filter screen and are intercepted on the upper surface of the second filter screen, the supplement liquid filtered through the second filter screen flows downwards to the third filter layer, the third filter layer deeply filters the supplement liquid, the small particle impurities cannot pass through the third filter screen and are intercepted on the upper surface of the third filter screen, the first filter screen, the second filter screen and the third filter screen filter the supplement liquid in turn, intercept different size particle impurities respectively, and the supplement liquid filtered through the three layers of filter screens removes most impurities, ensuring the cleanliness of the supplement liquid flowing into the liquid storage tank. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the whole schematic view of the utility model;

[0017] Figure 2 It is the liquid inlet structure schematic view of the utility model;

[0018] Figure 3 It is the whole schematic view of the filter part of the utility model;

[0019] Figure 4 It is the filter part structure schematic view of the utility model;

[0020] Figure 5 It is the whole schematic view of the filter column of the utility model;

[0021] Figure 6 It is the structural schematic view of the filter column of the utility model.

[0022] Illustration:

[0023] 1, liquid storage tank;

[0024] 2, liquid inlet; 21, boss;

[0025] 3, filter part; 31, filter column; 32, sealing ring; 33, hole; 311, first filter layer; 312, second filter layer; 313, third filter layer; 314, support shell; 3111, support rod; 3112, first filter screen; 3121, support column; 3122, second filter screen; 3131, third filter screen. Specific embodiments

[0026] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0027] Please refer to Figures 1 to 6 The embodiment provides an automatic liquid supplementing and auxiliary agent adding device, which comprises a liquid storage tank 1 and further comprises:

[0028] A liquid inlet 2 is arranged at the top of the liquid storage tank 1, penetrates the top wall of the liquid storage tank 1, and the liquid supplementing can be added into the liquid storage tank 1 through the liquid inlet 2.

[0029] A filter part 3 is arranged in the liquid inlet 2, filters the liquid supplementing flowing through the filter part 3, and the filter part 3 can be taken out of the liquid inlet 2 for replacement.

[0030] A ring of bosses 21 is fixedly arranged below the inner ring of the liquid inlet 2, the inner diameter of the boss 21 is smaller than the outer diameter of the filter part 3, the filter part 3 is placed on the boss 21, the boss 21 blocks the filter part 3, and the filter part 3 is prevented from falling into the liquid storage tank 1.

[0031] The filter part 3 comprises a plurality of filter columns 31, a sealing ring 32 and a plurality of holes 33, the sealing ring 32 is fixedly arranged on the upper surface of the filter part 3, the sealing ring 32 is preferably made of rubber in the embodiment, the sealing ring 32 is deformed by extrusion when supplementing liquid, fills the gap between the filter part 3 and the liquid inlet 2, prevents the liquid supplementing from flowing into the liquid storage tank 1 from the gap, and reduces the cleanliness of the liquid supplementing in the liquid storage tank 1.

[0032] The channel 33 is obliquely arranged through the filter part 3, prolongs the length of the channel 33, increases the flow of the supplement liquid through the filter column 31, improves the filtering effect, and the filter column 31 is fixedly arranged in the channel 33 to filter the supplement liquid flowing through the filter part 3.

[0033] The filter column 31 comprises a first filter layer 311, a second filter layer 312, a third filter layer 313 and a support shell 314, the first filter layer 311 is fixedly arranged at the top end of the support shell 314, the third filter layer 313 is fixedly arranged at the bottom end of the support shell 314, the top end of the second filter layer 312 is fixedly connected with the first filter layer 311, and the bottom end is fixedly connected with the third filter layer 313.

[0034] The first filter layer 311 comprises a plurality of support rods 3111 and a first filter screen 3112, the end portions of the support rods 3111 are fixedly connected with the top end of the support shell 314, the first filter screen 3112 is fixedly arranged between the support rods 3111, the support rods 3111 provide support for the first filter screen 3112, prevent the supplement liquid from damaging the first filter screen 3112 during filtering, and make the first filter screen 3112 lose the filtering effect.

[0035] The second filter layer 312 comprises a support column 3121 and a second filter screen 3122, the two ends of the support column 3121 are fixedly connected with the first filter layer 311 and the third filter layer 313 respectively, the second filter screen 3122 is in a tapered shape with the upper end smaller than the lower end, increases the contact area with the supplement liquid, and accelerates the filtering speed, the upper end of the second filter screen 3122 is fixedly arranged on the upper end surface of the support column 3121, and the lower end is fixedly arranged on the upper surface of the third filter layer 313.

[0036] The third filter layer 313 comprises a support rod 3111 and a third filter screen 3131, the end portions of the support rods 3111 are fixedly connected with the bottom end of the support shell 314, the third filter screen 3131 is fixedly arranged between the support rods 3111, the support rods 3111 provide support for the third filter screen 3131, prevent the supplement liquid from damaging the third filter screen 3131 during filtering, and make the third filter screen 3131 lose the filtering effect.

[0037] When the automatic liquid supplement to the liquid storage tank 1 starts, the supplement liquid flows into the liquid storage tank 1 through the filter part 3 after being filtered, the supplement liquid flowing through the filter part 3 is blocked by the sealing ring 32, preventing the supplement liquid from flowing into the liquid storage tank 1 from the gap between the filter part 3 and the liquid inlet 2, so that the supplement liquid in the gap cannot be filtered, ensuring the cleanliness of the supplement liquid in the liquid storage tank 1; the supplement liquid gathers on the surface of the filter part 3, and under the pressure of the automatic liquid supplement, the supplement liquid flows into the liquid storage tank 1 through the filter column 31 from the hole 33, the first filter layer 311 of the filter column 31 preliminarily filters the supplement liquid, large-particle impurities cannot pass through the first filter screen 3112 and are intercepted on the upper surface of the first filter screen 3112, the supplement liquid filtered through the first filter layer 311 flows downward to the second filter layer 312, the second filter layer 312 filters the supplement liquid again, medium-particle impurities cannot pass through the second filter screen 3122 and are intercepted on the upper surface of the second filter screen 3122, the supplement liquid filtered through the second filter screen 3122 flows downward to the third filter layer 313, the third filter layer 313 deeply filters the supplement liquid, small-particle impurities cannot pass through the third filter screen 3131 and are intercepted on the upper surface of the third filter screen 3131, the supplement liquid filtered through the third filter screen 3131 flows downward into the liquid storage tank 1 and automatically supplements the liquid storage tank 1. The first filter screen 3112, the second filter screen 3122 and the third filter screen 3131 filter the supplement liquid in turn and intercept different sizes of particle impurities, respectively, the supplement liquid filtered through the three filter screens removes most of the impurities, ensuring the cleanliness of the supplement liquid flowing into the liquid storage tank 1.

[0038] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Although the present application has been disclosed as above with a preferred embodiment, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, without departing from the technical solution of the present application. Any modification, equivalent change and modification of the above embodiments, which does not depart from the technical solution of the present application, are still within the scope of the technical solution of the present application.

Claims

1. An automatic liquid replenishing and auxiliary agent adding device, comprising a liquid storage tank (1), characterized in that: Also includes: A liquid inlet (2), the liquid inlet (2) being provided at the top of the liquid storage tank (1), the liquid inlet (2) penetrating the top wall of the liquid storage tank (1), and supplementary liquid being able to be added into the liquid storage tank (1) through the liquid inlet (2); The filter part (3) is arranged in the liquid inlet (2) and filters the supplementary liquid flowing through the filter part (3). The filter part (3) can be taken out from the liquid inlet (2) and replaced.

2. The automatic fluid replenishment and auxiliary agent addition device according to claim 1, characterized in that: A circle of bosses (21) is fixedly provided below the inner circle of the liquid inlet (2); the inner diameter of the bosses (21) is smaller than the outer diameter of the filter portion (3); and the filter portion (3) is placed on the bosses (21).

3. The automatic fluid replenishment and auxiliary agent addition device according to claim 1, characterized in that: The filter portion (3) comprises a plurality of filter columns (31), a sealing ring (32) and a plurality of channels (33), wherein the sealing ring (32) is fixedly arranged on the upper surface of the filter portion (3).

4. The automatic fluid replenishment and auxiliary agent addition device according to claim 3, characterized in that: The pore (33) is inclined and penetrates the filter portion (3), extending the length of the pore (33); the filter column (31) is fixedly arranged in the pore (33) to filter the supplementary liquid flowing through the filter portion (3).

5. The automatic fluid replenishment and auxiliary agent addition device according to claim 4, characterized in that: The filter column (31) comprises a first filter layer (311), a second filter layer (312), a third filter layer (313) and a support shell (314); the first filter layer (311) is fixedly arranged at the top end of the support shell (314); the third filter layer (313) is fixedly arranged at the bottom end of the support shell (314); the top end of the second filter layer (312) is fixedly connected to the first filter layer (311); and the bottom end is fixedly connected to the third filter layer (313).

6. The automatic fluid replenishment and auxiliary agent addition device according to claim 5, characterized in that: The first filter layer (311) comprises a plurality of support rods (3111) and a first filter screen (3112), the ends of the support rods (3111) are fixedly connected to the top of the support shell (314), and the first filter screen (3112) is fixedly arranged between the support rods (3111).

7. The automatic fluid replenishment and auxiliary agent addition device according to claim 5, characterized in that: The second filter layer (312) comprises a support column (3121) and a second filter screen (3122), the two ends of the support column (3121) being fixedly connected to the first filter layer (311) and the third filter layer (313), respectively. The second filter screen (3122) is in the shape of a cone with a small top and a large bottom. The upper end of the second filter screen (3122) is fixedly arranged on the upper end surface of the support column (3121), and the lower end is fixedly arranged on the upper surface of the third filter layer (313).

8. The automatic fluid replenishment and auxiliary agent addition device according to claim 5, characterized in that: The third filter layer (313) comprises support rods (3111) and a third filter screen (3131), the ends of the support rods (3111) are fixedly connected to the bottom end of the support shell (314), and the third filter screen (3131) is fixedly arranged between the support rods (3111).

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