Improved filter

Abstract

The utility model relates to the technical field of refrigeration, in particular to an improved filter. A filter in the prior art generally adopts an integrated structure, and is made of a copper material because the filter needs to be welded and fixed with pipeline parts, and the cost is high along with the increase of the price of copper. A main body of the improved filter comprises a cylinder body with two open ends and a hollow cylindrical structure, and blank caps covering the two sides of the cylinder body; the two ends of the barrel are of necking structures, the necking positions of the two ends are attached to an inner cavity of the blank cap, and a protrusion is arranged in the middle of the barrel and attached to the filter screen assembly; a joint is sleeved on the blank cap and is made of copper; and a stepped hole for positioning is formed in the joint. The utility model has the advantages of reasonable structure, split structure, good size and structure consistency, convenience in processing and high material utilization rate.

Description

TECHNICAL FIELD

[0001] The utility model relates to refrigeration technical field more particularly, relate to an improved filter. BACKGROUND

[0002] In the refrigeration equipment such as air conditioner, filter can filter dust, impurity etc., ensure that refrigerant is clean, and it is one of indispensable important parts. And the filter of prior art generally adopts the structure of integral type, because filter needs to be welded and fixed with pipe fitting parts, so it is made of copper material, with the price of copper increasing, the cost is high. SUMMARY

[0003] The utility model discloses to aim at the deficiency of prior art, provide an improved filter with reasonable structure and low cost.

[0004] An improved filter, including main part and filter screen subassembly, the main part includes the hollow cylindrical structure cylinder of two ends opening, the stifled cover of the stifling cover of two sides cover, the cylinder is the structure of the neck of two ends, and the stifled cover inner chamber is attached to the neck of two ends, and the cylinder middle is equipped with the protruding and filter screen subassembly attachment, the stifled cover is equipped with the joint, and the material of joint is copper, and the joint is equipped with the stepped hole of positioning. The utility model structure is reasonable, uses the structure of split, and the size, structural consistency is good, and processing is convenient, and material utilization rate is high.

[0005] As further improvement and supplement to the above scheme, the utility model still includes the following additional technical features:

[0006] The stifling cover cross section is the frame structure of one end opening, and the bottom is equipped with the structure of perforation, and the transition is connected with the arc. The structure is reasonable.

[0007] The joint is equipped with the protruding section and the cylinder section, and the protruding section is attached to the stifling cover end face, and the cylinder section passes out the perforation of stifling cover. The structure is reasonable, and the connection is stable and reliable.

[0008] The cylinder and stifling cover are stainless steel or aluminum alloy material, and the filter screen subassembly is stainless steel material. The cost is low.

[0009] The cylinder, stifling cover, joint and filter screen subassembly are welded and fixed. The connection is stable and reliable.

[0010] The utility model can achieve the following beneficial effects: the utility model structure is reasonable, uses the structure of split, and the size, structural consistency is good, and processing is convenient, and material utilization rate is high, and the joint of filter two ends uses copper material, and other parts adopt stainless steel or aluminum alloy material, and the cost is low, and the filter screen subassembly is fixed reasonably and firmly, and welding is convenient, and the efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1It is the front view of the utility model.

[0012] Fig. 2 It is the top view of the utility model.

[0013] Fig. 3 It is the structure schematic view of joint 3 in the utility model. DETAILED DESCRIPTION

[0014] The specific embodiment of the utility model is described in detail below in combination with the drawings.

[0015] As Figs. 1-3 The utility model discloses an improved filter.

[0016] The improved filter of the embodiment includes a main body and a filter screen assembly 4, the main body includes a hollow cylindrical structure cylinder 1 with two open ends, and a blind cover 2 that covers the two sides of the cylinder 1; the two ends of the cylinder 1 are in a structure of a necked opening, the two ends of the necked opening are attached to the inner cavity of the blind cover 2, a protrusion 11 is arranged in the middle of the cylinder 1 and attached to the filter screen assembly 4, the protrusion 11 is in a circular ring structure, and the cross section of the protrusion 11 is in an open trapezoidal structure, and the protrusion 11 is firmly clamped. A joint 3 is sleeved on the blind cover 2, and the material of the joint 3 is copper; a stepped hole 31 for positioning is arranged on the joint 3, and when the joint 3 is connected to a pipe, no other tool is needed, and the positioning is reliable. The cylinder 1 and the blind cover 2 are in a split structure, are simple to process, have good consistency in size and structure, and will not cause leakage. The filter screen assembly 4 is directly clamped on the cylinder 1, the size is increased, and the filtering effect is good.

[0017] Further, the cross section of the blind cover 2 is in a frame structure with one end being open, the bottom is provided with a perforated structure, and the transition is connected through a circular arc, and the circular arc connection is structurally reinforced.

[0018] Further, the joint 3 is provided with a protruding section 32 and a cylindrical section 33, the protruding section 32 is attached to the end face of the blind cover 2, and the cylindrical section 33 penetrates the perforation of the blind cover 2. The protruding section 32 is arranged in the middle, one end is provided with the cylindrical section 33, and the other end is provided with a protruding section, the outer diameter of the protruding section 32 is the largest, the protruding section is the second, the cylindrical section 33 is the smallest, and the stepped hole 31 is arranged on the protruding section.

[0019] Further, the cylinder 1 and the blind cover 2 are made of stainless steel or aluminum alloy, and the filter screen assembly 4 is made of stainless steel, so that the cost is effectively reduced, and the stainless steel is corrosion-resistant.

[0020] Still further, the cylinder 1, the blind cover 2, the joint 3 and the filter screen assembly 4 are welded and fixed, and the brazing connection is adopted.

[0021] The above is the preferred embodiment of the utility model, and does not limit the protection scope of the utility model, and the deformation and improvement made by the person skilled in the art according to the design idea of the utility model should be regarded as within the protection scope of the utility model.

Claims

1. An improved filter comprising a main body and a screen assembly (4), characterized in that: The main body comprises a hollow cylindrical barrel (1) with two open ends, and a cover (2) covering the two sides of the barrel (1); the two ends of the barrel (1) are in a structure of necking, the two necking ends are attached to the inner cavity of the cover (2), the middle of the barrel (1) is attached to a convex (11) and a filter screen assembly (4); a joint (3) is sleeved on the cover (2), the material of the joint (3) is copper; and a stepped hole (31) for positioning is arranged on the joint (3).

2. The improved filter of claim 1, wherein: The cover (2) is in a frame-shaped structure with one open end, and is provided with a perforated structure at the bottom and a circular arc transition.

3. The improved filter of claim 2 wherein: The joint (3) is provided with a convex section (32) and a cylindrical section (33), the convex section (32) is attached to the end face of the cover (2), and the cylindrical section (33) passes through the perforation of the cover (2).

4. The improved filter of claim 1 wherein: The barrel (1) and the cover (2) are made of stainless steel or aluminum alloy, and the filter screen assembly (4) is made of stainless steel.

5. The improved filter as claimed in any one of claims 1 to 4, wherein: The barrel (1), the cover (2), the joint (3) and the filter screen assembly (4) are welded and fixed.

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