CN210921874U

CN210921874U - Drying filter for freeze dryer

Info

Publication number: CN210921874U
Application number: CN201921964700.7U
Authority: CN
Inventors: 王浩; 许琎; 陈鹏; 蔡新龙
Original assignee: Chao Lv Motive Power Anhui Co ltd
Current assignee: Chao Lv Motive Power Anhui Co ltd
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-07-03
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a drying filter for a refrigeration dryer, which belongs to the technical field of drying filters and comprises a first cylinder body and a second cylinder body, wherein the first cylinder body and the second cylinder body are connected into a whole by screw threads, the left side of the first cylinder body is provided with a refrigerant inlet, and the right side of the second cylinder body is provided with a refrigerant outlet, the utility model discloses a structure for disassembling the first cylinder body and the second cylinder body is arranged into an integrated structure of the drying filter, thereby realizing the maintenance and the replacement of structural components in the drying filter, and the first cylinder body and the second cylinder body are connected by screw threads, the assembly and the disassembly are simple and convenient, simultaneously, the first sealing ring at the inner end of a first annular groove is pressed with the end surface of the second cylinder body to realize the sealing, the second sealing ring at the inner end of a second annular groove is pressed with an annular lug at the inner end of the second cylinder body to realize the sealing, thereby realizing the multi-, greatly improves the sealing performance and prevents leakage.

Description

Drying filter for freeze dryer

Technical Field

The utility model belongs to the technical field of drier-filter, concretely relates to drier-filter for freeze dryer.

Background

The drying filter mainly plays a role in filtering impurities, generally, the specification of the dryer is determined according to a refrigeration system of a refrigerator, an air conditioner and a freeze dryer, and most of the impurities are the drying filter and cause faults. The fault phenomenon is mostly expressed in that the filter shell is changed from warm to cold or frosted and condensed, so that insufficient liquid supply is caused to the evaporator, and because most of the existing drying filters adopt an integrated structure, if the dryer is dirty and blocked, the whole drying filter needs to be replaced together, so that the maintenance cost of the equipment is increased; the existing detachable drying filter is troublesome to detach, and the sealing performance of the joint of the existing detachable drying filter is not good.

SUMMERY OF THE UTILITY MODEL

The utility model provides a drier-filter for freeze dryer has and dismantles simple and conveniently, and sealed good characteristics.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a drier-filter for freeze dryer, includes first barrel and second barrel, first barrel and second barrel threaded connection become whole, the left side of first barrel is provided with the refrigerant entry, the right side of second barrel is provided with the refrigerant export, the inside of first barrel is close to refrigerant entry one side and fixedly is provided with the second metal mesh, the right side of second metal mesh is fixed and is provided with first metal mesh, it has the molecular sieve to fill between second metal mesh and the first metal mesh, be provided with seal assembly between first barrel and the second barrel.

Preferably, the seal assembly includes stopper, first sealing washer, rotating ring seat, first annular groove, second sealing washer, second annular groove and annular lug, wherein, rotating ring seat set up in first barrel outside and with first barrel threaded connection, the stopper sets up in rotating ring seat left side and fixes in first barrel outside, first annular groove sets up in the one end that rotating ring seat is close to the second barrel, first sealing washer sets up the inner at first annular groove, annular lug sets up the interior terminal surface that is close to rotating ring seat at the second barrel, second annular groove sets up and is close to second barrel one end and with annular lug joint at rotating ring seat, the second sealing washer sets up the inner at second annular groove.

Preferably, the first metal mesh is a fine metal mesh, and the second metal mesh is a coarse metal mesh.

Preferably, the outer surface of the rotating ring seat is provided with anti-skid threads.

Preferably, the size of the slotted hole of the first annular groove corresponds to the size of the cylinder ring of the second cylinder.

Preferably, the size of the slot of the second annular groove corresponds to the size of the annular bump.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a structure is dismantled to first barrel and second barrel to drier-filter's integral type structure to realized that drier-filter inner structure part maintains and changes, and first barrel passes through threaded connection with the second barrel, installation dismouting simple and convenient.

2. The utility model discloses a first sealing washer inner of first annular groove that sets up compresses tightly with the terminal surface of second barrel and realizes sealing, and the second sealing washer inner of second annular groove compresses tightly with the annular lug inner of second barrel and realizes sealing to realized many places between messenger's first barrel and the second barrel and sealed, greatly improved the leakproofness, prevented revealing.

Drawings

Fig. 1 is a schematic structural diagram of a drying filter for a refrigeration dryer of the present invention.

Fig. 2 is a sectional view of the connection relationship between the first cylinder and the second cylinder of the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a refrigerant inlet; 2. a first cylinder; 3. a seal assembly; 31. a limiting block; 32. a first seal ring; 33. rotating the ring seat; 34. a first annular groove; 35. a second seal ring; 36. a second annular groove; 37. an annular projection; 4. a refrigerant outlet; 5. a first metal mesh; 6. a second cylinder; 7. a molecular sieve; 8. a second expanded metal.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides the following technical solutions: a drying filter for a refrigeration dryer comprises a first cylinder body 2 and a second cylinder body 6, wherein the first cylinder body 2 and the second cylinder body 6 are in threaded connection to form a whole, a refrigerant inlet 1 is formed in the left side of the first cylinder body 2, a refrigerant outlet 4 is formed in the right side of the second cylinder body 6, a second metal mesh 8 is fixedly arranged on one side, close to the refrigerant inlet 1, in the first cylinder body 2, a first metal mesh 5 is fixedly arranged on the right side of the second metal mesh 8, a molecular sieve 7 is filled between the second metal mesh 8 and the first metal mesh 5, and in order to effectively filter impurities, the first metal mesh 5 is a fine metal mesh, and the second metal mesh 8 is a coarse metal mesh; a sealing component 3 is arranged between the first cylinder 2 and the second cylinder 6.

For excellent sealing performance, the sealing assembly 3 comprises a limiting block 31, a first sealing ring 32, a rotating ring seat 33, a first annular groove 34, a second sealing ring 35, a second annular groove 36 and an annular bump 37, wherein the rotating ring seat 33 is arranged outside the first cylinder 2 and is in threaded connection with the first cylinder 2, and in order to prevent the first cylinder from slipping when the rotating ring seat 33 is rotated for sealing, anti-slip threads are arranged on the outer surface of the rotating ring seat 33; the limiting block 31 is arranged on the left side of the rotating ring seat 33 and fixed outside the first barrel 2, the first annular groove 34 is formed in one end, close to the second barrel 6, of the rotating ring seat 33, and for the purpose that the first annular groove 34 is tightly clamped with the second barrel 6, the size of a groove hole of the first annular groove 34 corresponds to the size of a barrel ring of the second barrel 6; the first sealing ring 32 is arranged at the inner end of the first annular groove 34, the annular bump 37 is arranged on the inner end surface of the second cylinder 6 close to the rotating ring seat 33, the second annular groove 36 is arranged at one end of the rotating ring seat 33 close to the second cylinder 6 and clamped with the annular bump 37, and for the purpose that the second annular groove 36 is tightly clamped with the annular bump 37, the size of a groove hole of the second annular groove 36 corresponds to the size of the annular bump 37; a second seal 35 is disposed at the inner end of the second annular groove 36.

The utility model discloses a theory of operation and use flow: when the utility model is used, the refrigerant enters the device from the refrigerant inlet 1, passes through the drying and filtering action of the second metal net 8, the molecular sieve 7 and the first metal net 5, impurities and moisture are adsorbed and blocked, then the refrigerant leaves the device from the refrigerant outlet 4, when the drying and filtering device has the dirty blocking phenomenon, the rotating ring seat 33 is firstly rotated to move towards the direction of the limiting block 31, then the first cylinder 2 and the second cylinder 6 are rotated to be separated, then the parts in the first cylinder 2 are maintained or replaced, after the completion, the first cylinder 2 and the second cylinder 6 are rotated again to be fixed through threaded connection, then the rotating ring seat 33 is rotated, so that the first sealing ring 32 at the inner end of the first annular groove 34 of the rotating ring seat 33 is compressed with the end surface of the second cylinder 6 to realize sealing, meanwhile, the second sealing ring 35 at the inner end of the second annular groove 36 of the rotating ring seat 33 is compressed with the annular lug 37 at the inner end of the second cylinder 6 to realize sealing, thereby realized many places between first barrel 2 and the second barrel 6 sealed, and then can improve the leakproofness, prevent to reveal.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a drier-filter for freeze dryer, includes first barrel (2) and second barrel (6), its characterized in that: the refrigerant-free air-conditioning device is characterized in that the first cylinder body (2) and the second cylinder body (6) are connected into a whole in a threaded mode, a refrigerant inlet (1) is formed in the left side of the first cylinder body (2), a refrigerant outlet (4) is formed in the right side of the second cylinder body (6), a second metal mesh (8) is fixedly arranged on one side, close to the refrigerant inlet (1), of the inside of the first cylinder body (2), a first metal mesh (5) is fixedly arranged on the right side of the second metal mesh (8), a molecular sieve (7) is filled between the second metal mesh (8) and the first metal mesh (5), and a sealing assembly (3) is arranged between the first cylinder body (2) and the second cylinder body (6).

2. The drying filter for the refrigerating machine according to claim 1, wherein: the sealing assembly (3) comprises a limiting block (31), a first sealing ring (32), a rotating ring seat (33), a first annular groove (34), a second sealing ring (35), a second annular groove (36) and an annular convex block (37), wherein the rotating ring seat (33) is arranged outside the first barrel body (2) and is in threaded connection with the first barrel body (2), the limiting block (31) is arranged on the left side of the rotating ring seat (33) and is fixed outside the first barrel body (2), the first annular groove (34) is arranged at one end, close to the second barrel body (6), of the rotating ring seat (33), the first sealing ring (32) is arranged at the inner end of the first annular groove (34), the annular convex block (37) is arranged at the inner end, close to the rotating ring seat (33), of the second barrel body (6), the second annular groove (36) is arranged at one end, close to the second barrel body (6), of the rotating ring seat (33) and is clamped with the annular convex block (37), the second sealing ring (35) is arranged at the inner end of the second annular groove (36).

3. The drying filter for the refrigerating machine according to claim 1, wherein: the first metal net (5) is a fine metal net, and the second metal net (8) is a coarse metal net.

4. The drying filter for the refrigerating machine according to claim 2, wherein: the outer surface of the rotating ring seat (33) is provided with anti-skid threads.

5. The drying filter for the refrigerating machine according to claim 2, wherein: the size of the slotted hole of the first annular groove (34) corresponds to the size of the cylinder ring of the second cylinder (6).

6. The drying filter for the refrigerating machine according to claim 2, wherein: the size of the slotted hole of the second annular groove (36) corresponds to the size of the annular bump (37).