CN219159542U

CN219159542U - Expansion valve easy to adjust

Info

Publication number: CN219159542U
Application number: CN202320047402.1U
Authority: CN
Inventors: 郑玉富; 赵建光
Original assignee: Zhejiang Shike Autoparts Co ltd
Current assignee: Zhejiang Shike Autoparts Co ltd
Priority date: 2023-01-02
Filing date: 2023-01-02
Publication date: 2023-06-09
Anticipated expiration: 2033-01-02

Abstract

The utility model relates to the technical field of expansion valves, and discloses an expansion valve easy to adjust, which comprises a valve body, wherein a control chamber, a first chute and a second limiting groove are respectively arranged in the valve body, a second chute is arranged on the inner side wall of the second limiting groove, a driving motor is fixed on the inner wall of the control chamber, a screw rod is fixed at the output shaft end of the driving motor, and a sliding plate is connected with the screw rod in a threaded manner.

Description

Expansion valve easy to adjust

Technical Field

The utility model relates to the technical field of expansion valves, in particular to an expansion valve easy to adjust.

Background

The expansion valve is an important component in the refrigeration system and is typically mounted between the accumulator and the evaporator. The expansion valve throttles the medium-temperature high-pressure liquid refrigerant into low-temperature low-pressure wet steam, then the refrigerant absorbs heat in the evaporator to achieve the refrigerating effect, and the expansion valve controls the valve flow through the superheat degree change of the tail end of the evaporator to prevent the phenomenon of underutilization of the area of the evaporator and knocking.

In the Chinese patent with the publication number of CN217713689U, an expansion valve easy to adjust is disclosed, which comprises a valve body, the left end of the valve body is provided with an outlet channel, the right end of the valve body is provided with an inlet channel, the inner top end of the inlet channel is communicated with the inner bottom of the outlet channel, the upper part of the valve body is provided with a control chamber above the outlet channel, a sliding column is arranged in the control chamber in a sliding manner, the bottom end of the control chamber is communicated with the top of the outlet channel and provided with a sliding channel, a valve rod is arranged in the sliding channel in a sliding manner, the bottom end of the valve rod penetrates through the control channel and is provided with a throttle seat, and the inner bottom of the inlet channel is connected with a supporting spring below the throttle seat. Compared with the prior art, the utility model has the advantages that: the expansion valve is convenient to adjust and use, good in use stability and easy to adjust, and prolongs the service life.

The following drawbacks exist in the above patents: when the expansion valve needs to be regulated, the power of the control motor drives the throttle seat to leave the control channel, and as the communication area between the control channel and the throttle seat is unchanged, the expansion valve can not regulate the flow of gas passing through the communication area of the expansion valve when in use, so that the expansion valve has poor convenience when in use, and therefore, the expansion valve easy to regulate is provided.

The disclosure of this background section is only intended to increase the understanding of the general background of the application and should not be taken as an admission or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of Invention

The present utility model is directed to an expansion valve that is easy to adjust, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an expansion valve of easily adjusting, includes the valve body, control room, first spout and second spacing groove have been seted up respectively to the inside of valve body, the second spout has been seted up to second spacing groove inside wall, the control room inner wall is fixed with driving motor, driving motor output shaft end is fixed with the lead screw, lead screw threaded connection has the slide, the slide bottom is fixed with the support frame, the support frame bottom is fixed with the bracing piece, the bracing piece bottom is fixed with the case, the outside sliding connection of case is in the inboard of first spout, the inboard intercommunication of first spout has inlet channel and outlet channel respectively, outlet channel one side is equipped with first sealed inclined plane.

Preferably, a second sealing inclined plane is provided on one side of the valve element, and one side of the second sealing inclined plane is adapted to one side of the first sealing inclined plane.

Preferably, a first limit groove is formed in the inner side of the support frame, and one end of the screw rod is located in the inner side of the first limit groove.

Preferably, one side of the sliding plate is slidably connected to the inner side wall of the second sliding groove, and a plurality of gas springs are connected between the bottom of the sliding plate and the inner side wall of the second limiting groove.

Preferably, a third sliding groove is formed in the top of the inner side wall of the first sliding groove, and a sealing ring is bonded to the inner side wall of the third sliding groove.

Preferably, the outer side of the support rod is connected to the inner side wall of the sealing ring in a seamless sliding manner.

Compared with the prior art, the technical scheme provided by the utility model has the following technical effects: when the expansion valve needs to be regulated, the output shaft of the driving motor is controlled to drive the screw rod to rotate clockwise or anticlockwise for different circles, so that the second sealing inclined plane leaves one side of the first sealing inclined plane, the inlet channel and the outlet channel are in different communication areas, the operation is simple, the use is convenient, the regulation of the expansion valve in use is more convenient, the communication areas of the inlet channel and the outlet channel of the expansion valve can be regulated by rotating the output shaft of the driving motor for different circles, the gas pressure passing through the expansion valve is controlled, and the convenience of the expansion valve in use is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a front view of the present utility model;

FIG. 2 is a schematic view of a front cross-sectional structure of the present utility model;

FIG. 3 is a schematic perspective view of a valve core of the present utility model;

fig. 4 is a schematic perspective view of the outlet channel of the present utility model.

Reference numerals illustrate: 1. a valve body; 2. a control room; 3. a support frame; 4. a first limit groove; 5. an inlet channel; 6. a valve core; 7. a first chute; 8. an outlet channel; 9. a first sealing bevel; 10. a second sealing bevel; 11. a support rod; 12. a gas spring; 13. a slide plate; 14. a second chute; 15. a screw rod; 16. a driving motor; 17. the second limit groove; 18. a seal ring; 19. and a third chute.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "first," "second," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate an orientation or positional relationship based on that shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of a plurality of "a number" is two or more, unless explicitly defined otherwise.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the scope of the present disclosure, since any structural modifications, proportional changes, or dimensional adjustments made by those skilled in the art should not be made in the present disclosure without affecting the efficacy or achievement of the present disclosure.

Examples

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an expansion valve of easily adjusting, including valve body 1, control room 2 has been seted up respectively to valve body 1 inside, first spout 7 and second spacing groove 17, second spout 14 has been seted up to second spacing groove 17 inside wall, control room 2 inner wall is fixed with driving motor 16, driving motor 16 output shaft end is fixed with lead screw 15, lead screw 15 threaded connection has slide 13, slide 13 bottom is fixed with support frame 3, support frame 3 bottom is fixed with bracing piece 11, when driving motor 16's output shaft drives lead screw 15 clockwise rotation, under lead screw 15 and slide 13 threaded connection, make slide 13 upwards slide the inboard at second spout 14, when lead screw 15 anticlockwise rotates, make slide 13 downwards slide the inboard at second spout 14, the bracing piece 11 bottom is fixed with case 6, the outside sliding connection of case 6 is in the inboard of first spout 7, first spout 7 inboard intercommunication has inlet channel 5 and outlet channel 8 respectively, outlet channel 8 one side is equipped with first seal inclined plane 9, under the elasticity effect through gas spring 12, prevent to use the structure looseness after long-time.

The case 6 one side is equipped with second seal inclined plane 10, and one side adaptation of second seal inclined plane 10 is in one side of first seal inclined plane 9, and bracing piece 11 seamless slip makes second seal inclined plane 10 leave one side of first seal inclined plane 9 simultaneously at the inside wall of sealing washer 18, and first spacing groove 4 has been seted up to support frame 3 inboard, and the one end of lead screw 15 is located the inboard of first spacing groove 4.

One side sliding connection of slide 13 is in the inside wall of second spout 14, be connected with a plurality of gas spring 12 between the inside wall of the bottom of slide 13 and second spacing groove 17, slide down at the inboard different sizes of first spout 7 through case 6, make inlet channel 5 and outlet channel 8 be in different communication areas, and easy operation, convenient to use, make the expansion valve more convenient in the regulation of use, third spout 19 has been seted up at the inside wall top of first spout 7, the sealing washer 18 has been glued to the inside wall of third spout 19, seamless sliding connection in the inside wall of sealing washer 18 in the outside of bracing piece 11, rotate different number of turns through driving motor 16 output shaft, can accomplish the inlet channel 5 and the outlet channel 8 communication area of regulating expansion valve, thereby the gas pressure through the expansion valve is controlled.

Working principle: when the expansion valve needs to be regulated, only the output shaft of the driving motor 16 needs to be controlled to rotate, when the output shaft of the driving motor 16 drives the screw rod 15 to rotate clockwise, the screw rod 15 is in threaded connection with the sliding plate 13, so that the sliding plate 13 slides upwards on the inner side of the second sliding groove 14, when the screw rod 15 rotates anticlockwise, the sliding plate 13 slides downwards on the inner side of the second sliding groove 14, and meanwhile, under the action of the elastic force of the air spring 12, the structure is prevented from loosening after long-time use, and the use effect of the expansion valve is influenced.

When slide 13 moves down for support frame 3 moves down, make bracing piece 11 seamless slip in the inside wall of sealing washer 18, make simultaneously that second sealed inclined plane 10 leaves one side of first sealed inclined plane 9, slide down at the inboard different sizes of first spout 7 through case 6, make inlet channel 5 and outlet channel 8 be in different communication area, easy operation, convenient to use, make the regulation of expansion valve when using more convenient, rotate different number of turns through driving motor 16 output shaft, can accomplish the inlet channel 5 and the outlet channel 8 communication area of regulation expansion valve, thereby the gas pressure through the expansion valve is controlled.

Thus, embodiments of the present utility model have been described in detail with reference to the accompanying drawings. It should be noted that, in the drawings or the text of the specification, implementations not shown or described are all forms known to those of ordinary skill in the art, and not described in detail. Furthermore, the above definitions of the components are not limited to the specific structures, shapes or modes mentioned in the embodiments, and may be simply modified or replaced by those of ordinary skill in the art.

Those skilled in the art will appreciate that the features recited in the various embodiments of the utility model and/or in the claims may be combined in various combinations and/or combinations, even if such combinations or combinations are not explicitly recited in the utility model. In particular, the features recited in the various embodiments of the utility model and/or in the claims can be combined in various combinations and/or combinations without departing from the spirit and teachings of the utility model. All such combinations and/or combinations fall within the scope of the utility model.

The foregoing description of the embodiments has been provided for the purpose of illustrating the general principles of the utility model, and is not meant to limit the utility model thereto, but to limit the utility model thereto, and any modifications, equivalents, improvements and equivalents thereof may be made without departing from the spirit and principles of the utility model.

Claims

1. An expansion valve easy to adjust, comprising a valve body (1), characterized in that: control room (2), first spout (7) and second spacing groove (17) have been seted up respectively to inside of valve body (1), second spout (14) have been seted up to second spacing groove (17) inside wall, control room (2) inner wall is fixed with driving motor (16), driving motor (16) output shaft end is fixed with lead screw (15), lead screw (15) threaded connection has slide (13), slide (13) bottom is fixed with support frame (3), support frame (3) bottom is fixed with bracing piece (11), bracing piece (11) bottom is fixed with case (6), the outside sliding connection of case (6) is in the inboard of first spout (7), the inboard intercommunication of first spout (7) has inlet channel (5) and outlet channel (8) respectively, outlet channel (8) one side is equipped with first sealed inclined plane (9).

2. An easily adjustable expansion valve according to claim 1, wherein: a second sealing inclined plane (10) is arranged on one side of the valve core (6), and one side of the second sealing inclined plane (10) is adapted to one side of the first sealing inclined plane (9).

3. An easily adjustable expansion valve according to claim 1, wherein: the inner side of the supporting frame (3) is provided with a first limit groove (4), and one end of the screw rod (15) is positioned at the inner side of the first limit groove (4).

4. An easily adjustable expansion valve according to claim 1, wherein: one side of the sliding plate (13) is connected to the inner side wall of the second sliding groove (14) in a sliding mode, and a plurality of gas springs (12) are connected between the bottom of the sliding plate (13) and the inner side wall of the second limiting groove (17).

5. An easily adjustable expansion valve according to claim 1, wherein: a third chute (19) is formed in the top of the inner side wall of the first chute (7), and a sealing ring (18) is bonded on the inner side wall of the third chute (19).

6. An easily adjustable expansion valve according to claim 5, wherein: the outer side of the supporting rod (11) is connected to the inner side wall of the sealing ring (18) in a seamless sliding mode.