CN219415321U

CN219415321U - Air conditioner refrigerating pipeline filter

Info

Publication number: CN219415321U
Application number: CN202320523743.1U
Authority: CN
Inventors: 金耿
Original assignee: Wenling Hengfa Aircondition Components Co ltd
Current assignee: Wenling Hengfa Aircondition Components Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-25
Anticipated expiration: 2033-03-17

Abstract

The utility model provides an air conditioner refrigerating pipeline filter, and belongs to the field of air conditioner accessories. It has solved the not good problem of current filter effect. The air conditioner refrigerating pipeline filter comprises a pipe body and particle drying agents, wherein two ends of the pipe body are respectively contracted to form an inlet end and an outlet end, an annular locating frame and a barrel-shaped filter screen are arranged in the pipe body, the outer wall of the locating frame is fixedly connected with the pipe body in a sealing way, the filter screen consists of a barrel part and an annular part fixedly connected with the locating frame in a sealing way, the particle drying agents are filled in the barrel part, the barrel part is of a trapezoid structure, and the diameter of the barrel part is gradually reduced from the inlet end to the outlet end; a baffle is coaxially fixed in the positioning frame, is positioned between the barrel part and the inlet end and limits the particle drying agent in the barrel part; the baffle is densely provided with guide holes penetrating through the locating rack in the axial direction, and the size of the granular drying agent is larger than the aperture of the guide holes. The air conditioner refrigerating pipeline filter has good effect.

Description

Air conditioner refrigerating pipeline filter

Technical Field

The utility model belongs to the field of air conditioner accessories, and relates to a filter, in particular to an air conditioner refrigeration pipeline filter.

Background

The air conditioner refrigerating pipeline filter is arranged between a condenser and a capillary tube, and structurally comprises a pipe body, wherein two ends of the pipe body are in a necking shape, a filter screen and a support which are in barrel shapes are arranged in the middle of the pipe body, the filter screen and the support are distributed along the axial direction of the pipe body, one end of the support, which is far away from the filter screen, is outwards bent towards the direction of the filter screen to form an annular bending part, an annular positioning groove matched with the filter screen is formed between the bending part and the outer side wall of the support, one end of the filter screen is inserted in the annular positioning groove, the side wall of the pipe body is inwards sunken to form the annular positioning parts, the annular positioning parts are two, the outer side wall of the bending part is attached to the inner side wall of the pipe body, two ends of the bending part are respectively tightly abutted to the two annular positioning parts, the support axially penetrates through the pipe body to form a water passing hole, and the water passing hole is opposite to the filter screen.

The filter is beneficial to the filter screen to intercept dirt so as to prevent the filter screen from blocking the capillary tube, and when the filter is in actual use, the refrigerant entering the filter can carry water, so that a layer of particle drying agent is generally placed between the locating frame and the filter screen in order to prevent the water from entering the capillary tube to form ice blocking, but in the filter, the space between the filter screen and the locating frame is smaller, and only smaller drying agent can be contained in the space, so that the water absorption is influenced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provides an air conditioner refrigerating pipeline filter with good filtering effect.

The aim of the utility model can be achieved by the following technical scheme: the air conditioner refrigerating pipeline filter comprises a pipe body and particle drying agents, wherein two ends of the pipe body are respectively contracted to form an inlet end and an outlet end, a circular locating rack and a barrel-shaped filter screen are arranged in the pipe body, the outer wall of the locating rack is fixedly connected with the pipe body in a sealing way, the filter screen consists of a barrel part and a ring part fixedly connected with the locating rack in a sealing way, and the particle drying agents are filled in the barrel part; a baffle is coaxially fixed in the positioning frame, is positioned between the barrel part and the inlet end and limits the particle drying agent in the barrel part; the baffle is densely provided with guide holes penetrating through the locating rack in the axial direction, and the size of the granular drying agent is larger than the aperture of the guide holes.

The filter screen is formed into the barrel part of the trapezoid structure, and a large placing space is formed between the barrel part and the baffle plate, so that the flowing time of the refrigerant in the placing space is prolonged, the refrigerant is fully contacted with the particle drying agent by increasing the storage capacity of the particle drying agent, and the filtering effect of the filter is effectively enhanced.

In the above air conditioner refrigeration pipeline filter, the positioning frame comprises an inner ring and an outer ring, wherein the end part of the outer ring, which is close to the inlet end, is in transitional connection with the inner ring through an arc part, the outer ring is fixedly connected with the pipe body in a sealing way, an annular groove matched with the annular part is formed between the outer ring and the inner ring, and the annular part is embedded in the annular groove. The locating rack and the filter screen are sealed and fixedly connected completely through the structure of the locating rack and the filter screen, and the locating rack has the advantages of simple structure and convenience in installation.

In the air conditioner refrigeration pipeline filter, the baffle is tightly matched and fixedly connected with the inner ring.

In the air conditioner refrigeration pipeline filter, the end part of the inner ring, which is close to the discharge end, is inwards bent to form the inner conical ring part, the diameter of the inner conical ring part gradually becomes smaller from the inlet end to the discharge end, the baffle is provided with the conical surface matched with the inner conical ring part, and the conical surface is tightly attached to the inner side wall of the inner conical ring part. The conical surface is matched with the inner conical ring part, so that the baffle can be stably positioned, and the baffle is used for loading and limiting, so that the baffle is installed in place at one time, and the assembly is facilitated.

In the air conditioner refrigeration pipeline filter, the holding rod is formed on the baffle plate, the holding rod and the baffle plate are coaxially arranged, and the baffle plate is arranged between the holding rod and the barrel part. The holding rod is used for providing a holding point, so that the baffle plate is convenient to install.

In the air conditioner refrigeration pipeline filter, the end part of the holding rod, which is far away from the baffle plate, is axially provided with the polygonal hole. When in use, the polygonal holes are matched with the tool, so that the baffle plate is more convenient to install.

In the above air conditioner refrigeration pipeline filter, the end part of the outer ring close to the discharge end is inwards bent to form an outer conical ring part, the inner conical ring part and the outer conical ring part are arranged in parallel, and the annular groove is formed by a straight groove section formed between the inner ring and the outer ring and a chute section formed between the inner conical ring part and the outer conical ring part. By adopting the design, the stability and the strength of the connection of the filter screen and the locating rack can be greatly enhanced, and the working stability of the filter is improved.

In the air conditioner refrigeration pipeline filter, the outer ring is tightly matched and fixedly connected with the pipe body, and at the moment, the outer side wall of the outer ring is tightly matched with the inner side wall of the pipe body to form a seal.

In the air conditioner refrigeration pipeline filter, the outer wall of the pipe body is inwards concave, annular convex parts are formed on the inner wall of the pipe body, the annular convex parts and the pipe body are coaxially arranged, and two annular convex parts are respectively pressed at two ends of the outer ring.

In the air conditioner refrigeration pipeline filter, the axial cross section of the annular convex part is circular arc.

Compared with the prior art, the air conditioner refrigerating pipeline filter has the following advantages:

1. the filter screen is formed into the barrel part of the trapezoid structure, and a large placing space is formed between the barrel part and the baffle plate, so that the flowing time of the refrigerant in the placing space is prolonged, the refrigerant is fully contacted with the particle drying agent by increasing the storage capacity of the particle drying agent, and the filtering effect of the filter is effectively enhanced.

2. The conical surface is matched with the inner conical ring part, so that the baffle can be stably positioned, and the baffle is used for loading and limiting, so that the baffle is installed in place at one time, and the assembly is facilitated.

Drawings

Fig. 1 is a schematic perspective view of a filter for a refrigerating pipeline of an air conditioner.

Fig. 2 is a schematic cross-sectional structure of the present air conditioner refrigeration circuit filter.

Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.

Fig. 4 is a schematic structural view of the spacer.

In the figure, 1, a pipe body; 1a, an entry end; 1b, a discharge end; 1c, annular convex portion; 2. a particulate desiccant; 3. a positioning frame; 3a, an inner ring; 3a1, an inner cone ring portion; 3b, an outer ring; 3b1, an outer cone ring portion; 3c, an annular groove; 3c1, a straight trough section; 3c2, a chute section; 4. a filter screen; 4a, a barrel part; 4b, a ring part; 5. a baffle; 5a, a diversion hole; 5b, conical surface; 5c, holding the rod; 5c1, polygonal holes.

Description of the embodiments

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 and 2, the present air conditioner refrigeration circuit filter includes a tube body 1 and a particulate desiccant 2.

In particular the number of the elements,

both ends of the pipe body 1 are shrunk to form an inlet end 1a and an outlet end 1b respectively, and the inlet end 1a and the outlet end 1b are straight. As shown in fig. 1, a positioning frame 3 in a ring shape and a barrel-shaped filter screen 4 are arranged in the pipe body 1, and the positioning frame 3, the filter screen 4 and the pipe body 1 are coaxially arranged. Wherein, the outer wall of the positioning frame 3 is fixedly connected with the pipe body 1 in a sealing way; the filter screen 4 is of an integral structure and consists of a barrel part 4a and a ring part 4b which is in sealing and fixing connection with the positioning frame 3, the barrel part 4a is of a trapezoid structure, the diameter of the barrel part 4a gradually decreases from the inlet end 1a to the outlet end 1b, and the particle drying agent 2 is filled in the barrel part 4 a; a baffle plate 5 is coaxially fixed in the positioning frame 3, the baffle plate 5 is positioned between the barrel part 4a and the inlet end 1a and limits the particle drying agent 2 in the barrel part 4 a; the baffle 5 is densely provided with diversion holes 5a penetrating through the positioning frame 3 in the axial direction, and the size of the granular drying agent 2 is larger than the aperture of the diversion holes 5 a.

The barrel part 4a with the trapezoid structure is formed on the filter screen 4, and a large placing space is formed between the barrel part 4a and the baffle plate 5, so that the flowing time of the refrigerant in the placing space is prolonged, the storage capacity of the particle drying agent 2 is increased, the refrigerant is fully contacted with the particle drying agent 2, and the filtering effect of the filter is effectively enhanced.

In the present embodiment of the present utility model, in the present embodiment,

the connection mode of the positioning frame 3 and the filter screen 4 is as follows: as shown in fig. 3 and 4, the positioning frame 3 is of an integral structure, and comprises an inner ring 3a and an outer ring 3b, and the end part of the outer ring 3b, which is close to the inlet end 1a, is in transitional connection with the inner ring 3a through an arc part. Wherein the outer ring 3b is in sealing and fixing connection with the pipe body 1; the baffle 5 is fixedly connected with the inner ring 3 a; an annular groove 3c, which is matched in shape and size with the ring portion 4b, is formed between the outer ring 3b and the inner ring 3a, and the ring portion 4b is embedded in the annular groove 3 c. The locating rack 3 and the filter screen 4 are sealed and fixedly connected completely through the structure, and the device has the advantages of simple structure and convenient installation.

Further, the end of the inner ring 3a near the discharge end 1b is bent inwards to form an inner conical ring part 3a1, and the diameter of the inner conical ring part 3a1 gradually decreases from the inlet end 1a to the discharge end 1 b; the end of the outer ring 3b near the discharge end 1b is bent inward to form an outer cone ring portion 3b1, and the inner cone ring portion 3a1 and the outer cone ring portion 3b1 are disposed in parallel. The annular groove 3c is formed by a straight groove section 3c1 formed between the inner ring 3a and the outer ring 3b and a chute section 3c2 formed between the inner cone ring part 3a1 and the outer cone ring part 3b1, and at the moment, the ring part 4b is of a bending structure matched with the chute section 3c2, so that the connection stability and strength of the filter screen 4 and the positioning frame 3 can be greatly enhanced, and the working stability of the filter is improved.

The outer ring 3b is connected with the pipe body 1 as follows: the outer ring 3b is tightly matched and fixedly connected with the pipe body 1, and at the moment, the outer side wall of the outer ring 3b is tightly matched with the inner side wall of the pipe body 1 to form a seal. In order to further enhance the positioning strength and stability of the outer ring 3b, the outer wall of the pipe body 1 is recessed inwards and an annular convex part 1c is formed on the inner wall of the pipe body 1, the annular convex part 1c and the pipe body 1 are coaxially arranged, and two annular convex parts 1c are respectively pressed at two ends of the outer ring 3 b. The annular projection 1c preferably has a circular arc shape in axial cross section.

The baffle 5 and the inner ring 3a are connected as follows: the baffle 5 is tightly matched and fixedly connected with the inner ring 3a, and further explained, a conical surface 5b matched with the inner conical ring part 3a1 is arranged on the baffle 5, and the conical surface 5b is tightly attached to the inner side wall of the inner conical ring part 3a 1. The conical surface 5b is matched with the inner conical ring part 3a1, so that the baffle 5 can be stably positioned, and the baffle 5 is installed and limited, so that the baffle 5 is installed in place at one time, and the assembly is facilitated.

As shown in fig. 2 and 3, a holding rod 5c is formed on the baffle 5, the holding rod 5c is coaxially disposed with the baffle 5, and the baffle 5 is located between the holding rod 5c and the tub portion 4 a. The end of the holding rod 5c far from the baffle 5 is axially provided with a polygonal hole 5c1. When in use, the polygonal hole 5c1 is matched with a tool, so that the baffle 5 is more convenient to install.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The air conditioner refrigerating pipeline filter comprises a pipe body (1) and particle drying agents (2), wherein two ends of the pipe body (1) are respectively contracted to form an inlet end (1 a) and an outlet end (1 b), a circular positioning frame (3) and a barrel-shaped filter screen (4) are arranged in the pipe body (1), the outer wall of the positioning frame (3) is fixedly connected with the pipe body (1) in a sealing manner, the filter screen (4) consists of a barrel part (4 a) and a ring part (4 b) fixedly connected with the positioning frame (3) in a sealing manner, and the particle drying agents (2) are filled in the barrel part (4 a), and the air conditioner refrigerating pipeline filter is characterized in that the barrel part (4 a) is of a trapezoid structure, and the diameter of the barrel part (4 a) is gradually reduced from the inlet end (1 a) to the outlet end (1 b); a baffle (5) is coaxially fixed in the positioning frame (3), the baffle (5) is positioned between the barrel part (4 a) and the inlet end (1 a) and limits the particle drying agent (2) in the barrel part (4 a); the baffle (5) is densely provided with guide holes (5 a) which are penetrated and arranged along the axial direction of the positioning frame (3), and the size of the particle drying agent (2) is larger than the aperture of the guide holes (5 a).

2. The air conditioner refrigerating pipeline filter according to claim 1, wherein the positioning frame (3) comprises an inner ring (3 a) and an outer ring (3 b), the end part of the outer ring (3 b) close to the inlet end (1 a) is in transitional connection with the inner ring (3 a) through an arc part, the outer ring (3 b) is fixedly connected with the pipe body (1) in a sealing way, an annular groove (3 c) matched with the annular part (4 b) is formed between the outer ring (3 b) and the inner ring (3 a), and the annular part (4 b) is embedded in the annular groove (3 c).

3. An air conditioner refrigeration circuit filter as claimed in claim 2, wherein the baffle (5) is fixedly connected with the inner ring (3 a) in a close fit.

4. An air conditioner refrigerating pipeline filter according to claim 2 or 3, wherein the end of the inner ring (3 a) close to the discharge end (1 b) is inwards bent to form an inner conical ring part (3 a 1), the diameter of the inner conical ring part (3 a 1) gradually decreases from the inlet end (1 a) to the discharge end (1 b), a conical surface (5 b) matched with the inner conical ring part (3 a 1) is arranged on the baffle plate (5), and the conical surface (5 b) is tightly attached to the inner side wall of the inner conical ring part (3 a 1).

5. An air conditioner refrigerating pipeline filter as claimed in claim 4, wherein a holding rod (5 c) is formed on the baffle plate (5), the holding rod (5 c) is coaxially arranged with the baffle plate (5), and the baffle plate (5) is arranged between the holding rod (5 c) and the barrel part (4 a).

6. An air conditioner refrigeration circuit filter as set forth in claim 5 wherein the end of the grip lever (5 c) remote from the baffle (5) is axially provided with a polygonal hole (5 c 1).

7. An air conditioner refrigerating circuit filter as claimed in claim 4, wherein the end of the outer ring (3 b) near the discharge end (1 b) is bent inwards to form an outer conical ring part (3 b 1), and the inner conical ring part (3 a 1) and the outer conical ring part (3 b 1) are arranged in parallel, and the annular groove (3 c) is composed of a straight groove section (3 c 1) formed between the inner ring (3 a) and the outer ring (3 b) and a chute section (3 c 2) formed between the inner conical ring part (3 a 1) and the outer conical ring part (3 b 1).

8. An air conditioner refrigeration circuit filter as claimed in claim 2, wherein the outer ring (3 b) is fixedly connected with the pipe body (1) in a close fit.

9. An air conditioner refrigerating pipeline filter as claimed in claim 8, wherein the outer wall of the pipe body (1) is concave inwards, annular convex parts (1 c) are formed on the inner wall of the pipe body (1), the annular convex parts (1 c) are coaxially arranged with the pipe body (1), and the annular convex parts (1 c) are compressed at two ends of the outer ring (3 b) respectively.

10. An air conditioner cooling line filter according to claim 9, characterized in that the axial cross section of the annular protrusion (1 c) is circular arc.