Filtering device for sterilizer water tank

Abstract

The utility model relates to a filter device for a sterilizer water tank, which comprises an upper joint, a lower joint and a filter cover, the upper joint is in threaded connection with the lower joint, the upper joint is provided with an upper through hole longitudinally penetrating through the upper joint, the lower joint is provided with a lower through hole longitudinally penetrating through the lower joint, and when the upper joint is connected with the lower joint, the upper through hole is communicated with the lower through hole; the filter cover comprises a mesh cylinder cover and an annular clamping plate integrally formed at the bottom of the mesh cylinder cover, and the mesh cylinder cover covers the upper connector and is clamped and fixed to the upper connector through the annular clamping plate. The filtering device is clamped and fixed on the tank wall of the water tank through threaded connection of the upper connector and the lower connector, impurities are filtered through clamping connection of the filtering cover and the upper connector, and the filtering device is simple in overall structure, easy to machine, low in cost, convenient to disassemble and assemble and more convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter technical field, specifically point to a filter device for sterilizer water tank. BACKGROUND

[0002] At present, desktop sterilizers on the market are mostly equipped with water tanks containing medium, and are mostly open tank cover type for the convenience of adding sterilization medium. In the case of non-absolute sealing and daily use or some internal circulation sterilization, impurities and microorganisms will inevitably accumulate in the water tank. In the sterilization process, rust and dirt will enter various pipelines and electrical components, causing pipeline blockage, and ultimately leading to sterilization failure. Therefore, a set of water tank filter device is provided for sterilizers to filter impurities. Most of the existing sterilizer water tanks use built-in welded or series Y-type filters. Such filters are complex to install and replace the filter screen, are not convenient to disassemble and clean, and have relatively high cost. SUMMARY

[0003] The utility model provides a filter device for sterilizer water tank in view of the prior art's insufficient.

[0004] The utility model discloses a filter device for sterilizer water tank, which is realized through the following technical scheme: a filter device for sterilizer water tank, comprising an upper joint, a lower joint and a filter cover, the upper joint is threadedly connected with the lower joint, the upper joint is provided with an upper through hole penetrating the upper joint longitudinally, the lower joint is provided with a lower through hole penetrating the lower joint longitudinally, and the upper through hole and the lower through hole are communicated when the upper joint and the lower joint are connected.

[0005] As an optimization, the upper joint comprises an upper clamp cap and a joint connecting column integrally formed at the bottom of the upper clamp cap, the upper clamp cap is provided with a first through hole, the joint connecting column is provided with a second through hole, and the first through hole and the second through hole are communicated to form the upper through hole.

[0006] As an optimization, a plurality of transverse water channels penetrating the upper clamp cap are uniformly distributed on the circumferential outer wall of the upper clamp cap, and the water channels are communicated with the first through hole.

[0007] As an optimization, the annular clamping plate is sleeved on the outer side of the upper clamp cap, the circumferential inner wall of the annular clamping plate is provided with an outwardly protruding first clamping ring, the circumferential outer wall of the upper clamp cap is provided with an outwardly protruding second clamping ring, and the outer diameter of the second clamping ring is greater than the inner diameter of the first clamping ring.

[0008] As an optimization, the lower joint comprises a lower clamp cap and a hose connecting column integrally formed at the bottom of the lower clamp cap, the lower clamp cap is provided with a third through hole, the hose connecting column is provided with a fourth through hole, and the third through hole and the fourth through hole are communicated to form the lower through hole.

[0009] As an optimization, the outer wall of the joint connecting column is provided with external threads, and the third through hole is provided with internal threads matched with the external threads.

[0010] As an optimization, the outer diameter of the upper clamp cap is larger than the outer diameter of the joint connecting column, and when the joint connecting column is screwed with the lower clamp cap, an annular clamping groove for clamping the tank wall is formed between the upper clamp cap and the lower clamp cap.

[0011] As an optimization, two sealing gaskets are arranged in the annular clamping groove and are sleeved on the joint connecting column and located at two sides of the tank wall respectively.

[0012] As an optimization, a plurality of anti-disengagement reverse teeth are arranged on the outer wall of the hose connecting column in an axial direction.

[0013] As an optimization, a plurality of sealing rings are arranged on the outer wall of the hose connecting column in an axial direction.

[0014] The upper joint is directly screwed with the lower clamp cap of the lower joint through the joint connecting column, so that the clamping and fixing of the upper clamp cap and the lower clamp cap on the tank wall are realized, the fixing structure is simple, and the upper clamp cap and the lower clamp cap are convenient to disassemble and assemble.

[0015] The upper joint and the lower joint are connected through the upper through hole and the lower through hole, so that the drainage is realized, and the drainage efficiency is further improved through the water passage on the outer side;

[0016] The filter cover is sleeved on the upper joint, so that the through hole of the joint is prevented from being blocked by impurities, and the filter cover is clamped with the upper joint through the annular clamping plate, so that the filter cover is convenient to replace and clean.

[0017] The hose connecting pipe of the lower joint is used for connecting a hose, the anti-disengagement reverse teeth improve the connection fastening with the hose, the hose is prevented from falling off, and the sealing ring improves the sealing between the hose and the hose connecting pipe and prevents water leakage.

[0018] The filter device is clamped and fixed on the tank wall through the screw connection of the upper joint and the lower joint, the filter cover is clamped with the upper joint to filter impurities, the overall structure of the filter device is simple, easy to process, low in cost, convenient to disassemble and assemble, and convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a use state schematic view of the utility model;

[0020] Figure 2 It is an enlarged view of A part of Figure 1

[0021] Figure 3 It is a sectional view of Figure 2 ​​

[0022] Figure 4 is a sectional view of the filter cover;

[0023] Figure 5 is a sectional view of the upper joint;

[0024] Figure 6 is a sectional view of the lower joint;

[0025] shown in the figure:

[0026] 1, water tank, 2, hose, 3, upper joint, 31, upper clamp cap, 32, joint connecting column, 33, second clasp, 34, upper through hole, 341, first through hole, 342, second through hole, 35, water passage, 4, lower joint, 41, lower clamp cap, 42, hose connecting column, 43, lower through hole, 431, third through hole, 432, fourth through hole, 44, sealing ring, 45, anti-falling tooth, 5, filter cover, 51, mesh tube cover, 52, annular clamping plate, 53, first clasp, 6, sealing ring. DETAILED DESCRIPTION

[0027] In order to clearly illustrate the technical features of the present application, the present application will be described below through specific embodiments.

[0028] As shown in Figures 1-6 A filter device for sterilizer water tank, comprising an upper joint 3, a lower joint 4 and a filter cover 5, the upper joint 3 is threadedly connected with the lower joint 4, the upper joint 3 is provided with an upper through hole 34 longitudinally penetrating the upper joint 3, the lower joint 4 is provided with a lower through hole 43 longitudinally penetrating the lower joint 4, and the upper through hole 34 and the lower through hole 43 are communicated when the upper joint 3 and the lower joint 4 are connected. The filter cover 5 comprises a mesh tube cover 51 and an annular clamping plate 52 integrally formed at the bottom of the mesh tube cover, the mesh tube cover 51 is covered on the upper joint 3 and is clamped and fixed with the upper joint 3 through the annular clamping plate 52.

[0029] Specifically, the upper joint 3 comprises an upper clamp cap 31 and a joint connecting column 32 integrally formed at the bottom of the upper clamp cap 31, the upper clamp cap 31 is provided with a first through hole 341, the joint connecting column 32 is provided with a second through hole 342, and the first through hole 341 and the second through hole 342 are communicated to form the upper through hole 34. The diameter of the first through hole 341 is larger than the diameter of the second through hole 342 in the present embodiment, and the first through hole and the second through hole are connected in a horn shape, so that the drainage is more smooth.

[0030] Specifically, the lower joint 4 comprises a lower clamp cap 41 and a hose connecting column 42 integrally formed with the lower clamp cap bottom, the lower clamp cap 41 is provided with a third through hole 431, the hose connecting column 42 is provided with a fourth through hole 432, the third through hole 431 and the fourth through hole 432 are communicated with each other to form the lower through hole 43. The third through hole 431 has a larger diameter than the fourth through hole 432 in the embodiment, and the third through hole and the fourth through hole are connected in a horn shape, further improving the smoothness of drainage.

[0031] The outer wall of the joint connecting column 32 is provided with external threads, the third through hole 431 is provided with internal threads matched with the external threads on the hole wall, the external threads of the joint connecting column 32 are threadedly connected with the internal threads of the lower clamp cap 41, and the threaded connection and fixation of the upper joint 3 and the lower joint 4 are realized. The outer diameter of the upper clamp cap 31 is larger than the outer diameter of the joint connecting column 32, and when the joint connecting column 32 is screwed with the lower clamp cap 41, the annular clamping groove clamping the tank wall of the water tank 1 is formed between the upper clamp cap 31 and the lower clamp cap 41.

[0032] Two sealing washers 6 are arranged in the annular clamping groove, and the two sealing washers 6 are sleeved on the joint connecting column 32 and located on the two sides of the tank wall of the water tank 1 respectively. The sealing property between the upper clamp cap 31, the lower clamp cap 41 and the tank wall of the water tank 1 is improved by the two sealing washers 6, and water leakage is prevented.

[0033] A plurality of transverse water passing grooves 35 passing through the upper clamp cap 31 are uniformly distributed on the circumferential outer wall of the upper clamp cap 31, and the water passing grooves 35 are communicated with the first through hole 341. The drainage efficiency is improved by the water passing grooves.

[0034] Specifically, the annular clamping plate 52 is sleeved on the outer side of the upper clamp cap 31, the circumferential inner wall of the annular clamping plate 52 is provided with an outwardly protruding first clamping ring 53, the circumferential outer wall of the upper clamp cap 31 is provided with an outwardly protruding second clamping ring 33, the second clamping ring 33 is located between the water passing groove 35 and the joint connecting column 32, and the outer diameter of the second clamping ring 33 is larger than the inner diameter of the first clamping ring 53. When clamped, the first clamping ring 53 of the annular clamping plate 52 is clamped below the second clamping ring 33 of the upper clamp cap 31, and since the outer diameter of the second clamping ring is larger than the inner diameter of the first clamping ring, the second clamping ring can limit the first clamping ring to prevent the annular clamping plate from being separated, and the clamping and fixation of the filter cover are realized.

[0035] A plurality of anti-disengagement teeth 45 are axially distributed on the outer wall of the hose connecting column 42. A plurality of sealing rings 44 are axially distributed on the outer wall of the hose connecting column 42, and the sealing rings 44 are located between the lower clamp cap 41 and the anti-disengagement teeth 45.

[0036] In use, first, a through hole is formed on the wall of the water tank 1, which is matched with the outer diameter of the joint connecting column 32. In the embodiment, the through hole is formed on the bottom wall of the water tank 1. A sealing washer 6 is sleeved on the joint connecting column 32 of the upper joint 3, the joint connecting column 32 is passed through the through hole from the inside of the water tank 1 to the outside of the water tank 1, and then a second sealing washer 6 is sleeved on the joint connecting column 32. The joint connecting column 32 is screwed with the lower clamping cap 41 of the lower joint 4, so that the upper clamping cap 31 and the lower clamping cap 41 clamp the bottom wall of the water tank 1. The filter cover 5 is sleeved on the upper clamping cap 31, the first clamping ring 53 is clamped below the second clamping ring 33 by pressing the filter cover 5, that is, the clamping and fixing of the filter cover 5 and the upper joint 3 is completed, and finally the hose 2 is inserted on the hose connecting column 42, that is, the overall installation of the filter device is completed.

[0037] Of course, the above description is not limited to the above examples, and the technical features not described in the utility model can be realized by or using the prior art, which will not be described here. The above embodiments and drawings are only used to illustrate the technical scheme of the utility model and are not limited to the utility model. The preferred embodiments of the utility model are described in detail, and those skilled in the art should understand that the changes, modifications, additions or replacements made by those skilled in the art within the essential scope of the utility model do not deviate from the purpose of the utility model, and should also belong to the protection scope of the claims of the utility model.

Claims

1. A filter device for a sterilizer water tank, characterized by: The upper joint (3) is threadedly connected with the lower joint (4), the upper joint (3) is provided with an upper through hole (34) longitudinally penetrating the upper joint, the lower joint (4) is provided with a lower through hole (43) longitudinally penetrating the lower joint, and the upper through hole (34) and the lower through hole (43) are communicated when the upper joint (3) and the lower joint (4) are connected; The filter cover (5) comprises a mesh tube cover (51) and an annular clamping plate (52) integrally formed at the bottom of the mesh tube cover, the mesh tube cover (51) is covered on the upper joint (3) and is clamped and fixed with the upper joint (3) through the annular clamping plate (52).

2. The filter device for a water tank of a sterilizer according to claim 1, characterized in that: The upper joint (3) comprises an upper clamping cap (31) and a joint connecting column (32) integrally formed at the bottom of the upper clamping cap (31), the upper clamping cap (31) is provided with a first through hole (341), the joint connecting column (32) is provided with a second through hole (342), and the first through hole and the second through hole are communicated to form the upper through hole (34).

3. The filter device for a water tank of a sterilizer according to claim 2, characterized in that: A plurality of transverse water through grooves (35) penetrating the upper clamping cap are uniformly distributed on the circumferential outer wall of the upper clamping cap (31), and the water through grooves are communicated with the first through hole (341).

4. The filter device for a water tank of a sterilizer according to claim 2, characterized in that: The annular clamping plate (52) is sleeved on the outside of the upper clamping cap (31), the circumferential inner wall of the annular clamping plate (52) is provided with an outwardly protruding first clamping ring (53), the circumferential outer wall of the upper clamping cap (31) is provided with an outwardly protruding second clamping ring (33), and the outer diameter of the second clamping ring (33) is greater than the inner diameter of the first clamping ring (53).

5. The filter device for water tank of sterilizer according to claim 2, characterized in that: The lower joint (4) comprises a lower clamping cap (41) and a hose connecting column (42) integrally formed at the bottom of the lower clamping cap (41), the lower clamping cap (41) is provided with a third through hole (431), the hose connecting column (42) is provided with a fourth through hole (432), and the third through hole and the fourth through hole are communicated to form the lower through hole (43).

6. A filter device for a sterilizer water tank according to claim 5, characterized in that: The outer wall of the joint connecting column (32) is provided with external threads, and the hole wall of the third through hole (431) is provided with internal threads matched with the external threads.

7. A filter device for a sterilizer water tank according to claim 6, characterized in that: The outer diameter of the upper clamping cap (31) is greater than the outer diameter of the joint connecting column (32), and when the joint connecting column (32) is screwed with the lower clamping cap (41), an annular clamping groove clamping the tank wall of the water tank (1) is formed between the upper clamping cap (31) and the lower clamping cap (41).

8. The filter device for a sterilizer water tank according to claim 7, characterized in that: Two sealing gaskets (6) are arranged in the annular clamping groove and are sleeved on the joint connecting column (32) and located on both sides of the tank wall of the water tank (1).

9. The filter device for a water tank of a sterilizer according to claim 5, characterized in that: A plurality of anti-disengagement reverse teeth (45) are axially distributed on the outer wall of the hose connecting column (42).

10. The filter assembly for use in a water tank of a sterilizer as claimed in claim 5 wherein: A plurality of sealing rings (44) are axially distributed on the outer wall of the hose connecting column (42).

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