CN217876566U

CN217876566U - Expansion valve for cold dryer

Info

Publication number: CN217876566U
Application number: CN202222324405.3U
Authority: CN
Inventors: 刘付杰
Original assignee: Dongguan Meibo Air Compressor Co ltd
Current assignee: Dongguan Meibo Air Compressor Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-22
Anticipated expiration: 2032-08-30

Abstract

The utility model belongs to the expansion valve field especially is an expansion valve for cold machine of doing, including the expansion valve body, no. one joint of expansion valve body surface left part fixedly connected with, no. two joints of expansion valve body surface right part fixedly connected with, expansion valve body surface lower part fixedly connected with strutting arrangement, strutting arrangement is located a joint lower part, expansion valve body upper end fixedly connected with diaphragm capsule, diaphragm capsule surface swing joint has the lifting device, diaphragm capsule upper end middle part fixedly connected with capillary, the capillary is kept away from the one end fixedly connected with temperature sensing ball of diaphragm capsule, through setting up two lifting plates on lifting the device, lifts the capillary through bracing piece and lifting plate. The utility model discloses can effectively solve a capillary receives the gravity influence easily and hangs down the problem that influences the expansion valve and use in the expansion valve use for cold machine of doing, and stability is high, facilitates the use.

Description

Expansion valve for cold dryer

Technical Field

The utility model relates to an expansion valve technical field, in particular to an expansion valve for cold machine of doing.

Background

An expansion valve is an important component in a refrigeration system and is typically mounted between the reservoir and the evaporator. The expansion valve makes the liquid refrigerant of medium temperature high pressure become low temperature low pressure wet steam through its throttle, then the refrigerant absorbs the heat and reaches the refrigeration effect in the evaporimeter, and the expansion valve controls the valve flow through the change of the superheat degree of evaporimeter terminal, prevents to appear the evaporimeter area and utilizes inadequately and knocks the jar phenomenon, and the freeze dryer is the abbreviation of freeze dryer, and the expansion valve is used for using in the freeze dryer mostly, has following drawback in current expansion valve use at least: 1. after the existing expansion valve is installed, the expansion valve is mostly installed in the air, and after long-term use, the expansion valve is influenced by gravity, so that the connection part between the expansion valve and a pipeline is easy to loosen, and the connection tightness is influenced; 2. the capillary tube of the existing expansion valve is often installed in the air, and after long-term use, the capillary tube is easy to hang down to cause deformation, so that the use of the expansion valve is influenced, and therefore the expansion valve for the refrigeration dryer is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an expansion valve for a refrigeration dryer, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an expansion valve for cold machine of doing, includes the expansion valve body, expansion valve body surface left part fixedly connected with connects No. one, expansion valve body surface right part fixedly connected with connects No. two, expansion valve body surface lower part fixedly connected with strutting arrangement, strutting arrangement is located a joint lower part, expansion valve body upper end fixedly connected with diaphragm capsule, diaphragm capsule surface swing joint has the lifting device, diaphragm capsule upper end middle part fixedly connected with capillary, the capillary is kept away from the one end fixedly connected with temperature sensing ball of diaphragm capsule.

Preferably, the lifting device includes splint one, splint rear end left part and rear end right part all alternate swing joint and have connecting screw, two the anterior common threaded connection of connecting screw surface has No. two splint, no. two splint front end middle parts and No. one splint rear end middle part are ARC structure, splint upper end and No. two splint upper ends all are provided with the lifting plate.

Preferably, two the lifting plate is the arc structure, two the equal fixedly connected with two bracing pieces of lifting plate lower extreme.

Preferably, four the bracing piece is two liang be a set of respectively with splint and No. two splint fixed connection, splint and No. two splint are all located the diaphragm capsule surface.

Preferably, the supporting device comprises a connecting sleeve ring, a penetrating groove penetrating from top to bottom is formed in the upper end of the connecting sleeve ring, three supporting ejector rods are fixedly connected to the outer surface of the connecting sleeve ring and are of an L-shaped structure, and the lower ends of the supporting ejector rods are fixedly connected with anti-slip pads in an penetrating mode.

Preferably, the three support ejector rods are distributed at equal intervals, the three anti-skid pads are of structures with narrow tops and wide bottoms, and the connecting lantern ring is movably connected with the expansion valve body in an inserting mode.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the two lifting plates are arranged on the lifting device, and the capillary tube is lifted through the support rod and the lifting plates, so that the use effect of the expansion valve can be prevented from being influenced by the falling of the capillary tube after long-term use;

2. the utility model discloses in, through cup jointing the lantern ring and expansion valve body together, make the lantern ring and the contact of connecting No. one, because the lantern ring surface mounting has three support ejector pin, and supports ejector pin and ground contact to can make the support ejector pin support the lantern ring and the expansion valve body of connecting, stability, convenient to use when improving whole expansion valve and using.

Drawings

Fig. 1 is a schematic view of the overall structure of an expansion valve for a refrigeration dryer according to the present invention;

fig. 2 is a schematic view of the overall structure of a lifting device for an expansion valve of a refrigeration dryer according to the present invention;

fig. 3 is a schematic view of the overall structure of a lifting plate of an expansion valve for a refrigeration dryer according to the present invention;

fig. 4 is a schematic view of the overall structure of the supporting device for the expansion valve of the refrigeration dryer of the present invention.

In the figure: 1. an expansion valve body; 2. a first connector; 3. a temperature sensing ball; 4. a lifting device; 5. a capillary tube; 6. a bellows; 7. a second joint; 8. a support device; 41. a first clamping plate; 42. a second splint; 43. connecting a screw rod; 44. a lifting plate; 441. a support bar; 81. a connecting lantern ring; 82. penetrating a groove; 83. supporting the ejector rod; 84. a non-slip mat.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides an expansion valve for cold machine of doing, including

expansion valve body

1, 1 surface left part fixedly connected with of expansion valve body connects 2 No. one, 1 surface right part fixedly connected with of expansion valve body connects 7 No. two, 1 surface lower part fixedly connected with strutting arrangement 8 of expansion valve body, strutting arrangement 8 is located a joint 2 lower part, expansion valve body 1 upper end fixedly connected with

diaphragm capsule

6, 6 surface swing joint of diaphragm capsule have

lifting device

4, 6 upper end middle part fixedly connected with capillary 5 of diaphragm capsule, capillary 5 keeps away from the one end fixedly connected with temperature sensing ball 3 of diaphragm capsule 6.

In this embodiment, the lifting device 4 includes a first clamping plate 41, the left part of the rear end and the right part of the rear end of the first clamping plate 41 are both inserted and movably connected with connecting screws 43, the front parts of the outer surfaces of the two connecting screws 43 are in threaded connection with a second clamping plate 42 together, the middle part of the front end of the second clamping plate 42 and the middle part of the rear end of the first clamping plate 41 are both arc-shaped structures, and the upper end of the first clamping plate 41 and the upper end of the second clamping plate 42 are both provided with lifting plates 44; the two lifting plates 44 are both arc-shaped structures, and the lower ends of the two lifting plates 44 are fixedly connected with two support rods 441; two liang of a set of four bracing pieces 441 respectively with splint 41 and No. two splint 42 fixed connection, splint 41 and No. two splint 42 all are located the diaphragm capsule 6 surface, and the interval of two lifting plates 44 is greater than capillary 5 central diameter, is convenient for lift capillary 5.

In this embodiment, the supporting device 8 includes a connecting sleeve ring 81, a through groove 82 penetrating up and down is formed at the upper end of the connecting sleeve ring 81, three supporting ejector rods 83 are fixedly connected to the outer surface of the connecting sleeve ring 81, the three supporting ejector rods 83 are all of an "L" shaped structure, and anti-skid pads 84 are fixedly connected to the lower ends of the three supporting ejector rods 83; three support ejector pin 83 equidistance distributes, and three slipmat 84 is under narrow wide structure, connects lantern ring 81 and expansion valve body 1 and alternates swing joint, and slipmat 84 is the rubber material, can avoid the support in-process to slide, improves support stability.

It should be noted that, the utility model relates to an expansion valve for cold machine of doing, in the use, at first with a joint 2, no. two joint 7 and expansion valve body 1 are in the same place with outside pipe connection, install fixedly to whole expansion valve, after the installation is accomplished, because the connecting sleeve ring 81 on the strutting arrangement 8 cup joints together with expansion valve body 1, support ejector pin 83 through connecting on the connecting sleeve ring 81 contacts with ground, thereby can support expansion valve body 1, improve the stability of whole expansion valve and pipe connection, after the expansion valve installation is accomplished, again with a splint 41 and No. two splint 42 press from both sides tight bellows 6, pass a splint 41 and No. two splint 42 threaded connection with two connecting screw 43 again and be in the same place, make a splint 41 and No. two splint 42 laminate at bellows 6 surface, because a splint 41 and No. two splint 42 upper ends all are fixed with lifting plate 44, and two lifting plate 44 are located the capillary 5 lower part, thereby can make lifting plate 44 support capillary 5, avoid the long-time use of the influence of hanging down after capillary 5 uses, the high stability of whole expansion valve installation efficiency, the high stability of cold machine of doing, the high stability is fit for use effect.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An expansion valve for a refrigeration dryer, comprising an expansion valve body (1), characterized in that: expansion valve body (1) surface left part fixedly connected with connects (2) No. one, expansion valve body (1) surface right part fixedly connected with connects (7) No. two, expansion valve body (1) surface lower part fixedly connected with strutting arrangement (8), strutting arrangement (8) are located a joint (2) lower part, expansion valve body (1) upper end fixedly connected with diaphragm capsule (6), diaphragm capsule (6) surface swing joint has lifting device (4), diaphragm capsule (6) upper end middle part fixedly connected with capillary (5), capillary (5) are kept away from one end fixedly connected with temperature sensing ball (3) of diaphragm capsule (6).

2. An expansion valve for a refrigeration dryer according to claim 1, wherein: lifting device (4) are including splint (41) No. one, splint (41) rear end left part and rear end right part all alternate swing joint and have connecting screw (43), two connecting screw (43) surface front portion common threaded connection has No. two splint (42), no. two splint (42) front end middle part and No. one splint (41) rear end middle part are cambered surface structure, splint (41) upper end and No. two splint (42) upper end all are provided with and lift board (44).

3. An expansion valve for a refrigeration dryer according to claim 2, wherein: two lifting plate (44) are arc structure, two lifting plate (44) lower extreme equal fixedly connected with two bracing pieces (441).

4. An expansion valve for a refrigeration dryer according to claim 3, wherein: the four support rods (441) are in a group of two and are fixedly connected with a first clamping plate (41) and a second clamping plate (42) respectively, and the first clamping plate (41) and the second clamping plate (42) are located on the outer surface of the diaphragm capsule (6).

5. An expansion valve for a refrigeration dryer according to claim 1, wherein: strutting arrangement (8) are including connecting lantern ring (81), wear groove (82) of break-over about connecting lantern ring (81) upper end is opened, it is three to connect lantern ring (81) outer fixed surface is connected with three support ejector pin (83), and is three support ejector pin (83) are "L" shape structure, and are three support ejector pin (83) lower extreme all alternates fixedly connected with slipmat (84).

6. An expansion valve for a refrigeration dryer according to claim 5, wherein: the three support ejector rods (83) are distributed at equal intervals, the three anti-skid pads (84) are of structures with narrow tops and wide bottoms, and the connecting lantern ring (81) is movably connected with the expansion valve body (1) in an inserting mode.