CN216742603U

CN216742603U - Expansion valve shock-absorbing structure

Info

Publication number: CN216742603U
Application number: CN202220282761.0U
Authority: CN
Inventors: 应卫龙; 应佳琪
Original assignee: Hangzhou Saimike Valve Manufacturing Co ltd
Current assignee: Hangzhou Saimike Valve Manufacturing Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-06-14
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a damping structure of an expansion valve, and relates to the technical field of expansion valves. The expansion valve comprises an expansion valve body, wherein the outer surface of the expansion valve body is communicated with a first pipeline, the outer surface of the expansion valve body is communicated with a second pipeline, the outer surface of the expansion valve body is communicated with a third pipeline, the outer surface of the expansion valve body is communicated with a fourth pipeline, the outer surface of the expansion valve body is provided with a fixing mechanism, the outer surface of the expansion valve body is provided with a sliding mechanism, and two buffering mechanisms are arranged below the expansion valve body. The utility model can effectively improve the damping effect of the expansion valve by the matching arrangement of the supporting plate, the sliding mechanism and the buffer mechanism, thereby effectively avoiding the self vibration of the expansion valve caused by external factors when the expansion valve works and avoiding the condition that the expansion valve fails and needs to be maintained by people due to vibration.

Description

Expansion valve shock-absorbing structure

Technical Field

The utility model belongs to the technical field of expansion valves, and particularly relates to a damping structure of an expansion valve.

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 enables the medium-temperature high-pressure liquid refrigerant to be low-temperature low-pressure wet steam through throttling, then the refrigerant absorbs heat in the evaporator to achieve the refrigeration effect, and the expansion valve controls the flow of the valve through the change of the superheat degree of the tail end of the evaporator to prevent the phenomena of insufficient utilization of the area of the evaporator and cylinder knocking.

According to the expansion valve disclosed in the patent with the patent number of CN101619768A, the device can solve the problem that the interior of a refrigeration cycle is polluted due to abrasion powder generated in a spring chamber, but in the prior art, when the expansion valve works, the refrigeration effect of the expansion valve is affected due to the fact that the expansion valve is vibrated due to the fact that the expansion valve is frequently influenced by external factors, so that the expansion valve is failed, great inconvenience is brought to people during later maintenance, and the expansion valve is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a damping structure of an expansion valve, which solves the problems in the prior art through the matching arrangement of a sliding mechanism, a buffering mechanism and a supporting plate.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the damping structure of the expansion valve comprises an expansion valve body, wherein the outer surface of the expansion valve body is communicated with a first pipeline, the outer surface of the expansion valve body is communicated with a second pipeline, the outer surface of the expansion valve body is communicated with a third pipeline, the outer surface of the expansion valve body is communicated with a fourth pipeline, a fixing mechanism is arranged on the outer surface of the expansion valve body, a sliding mechanism is arranged on the outer surface of the expansion valve body, a supporting plate is arranged below the expansion valve body, and two buffering mechanisms are arranged below the expansion valve body.

Optionally, a sealing block is mounted on the upper surface of the expansion valve body, a sealing gasket is mounted on the bottom surface of the expansion valve body, and a threaded pin is connected to the inner wall of the expansion valve body in a threaded manner.

Optionally, the outer surface of the first pipeline is provided with a first sealing ring, the outer surface of the second pipeline is provided with a second sealing ring, the outer surface of the third pipeline is provided with a third sealing ring, the outer surface of the fourth pipeline is provided with a fourth sealing ring, and the upper surface of the supporting plate is provided with a second symmetrical threaded hole.

Optionally, the sliding mechanism comprises a first fixing ring, the first fixing ring is fixedly connected to the outer surface of the expansion valve body, the first fixing ring is fixedly connected with a first symmetrical connecting rod, two connecting rods are fixedly connected to the bottom surfaces of the first connecting rod, two connecting rods are fixedly connected to the ends, away from the first fixing ring, of the second connecting rod, and pulleys are mounted on the ends of the first connecting rod.

Optionally, the fixing mechanism includes a second fixing ring, the second fixing ring is fixedly connected to the outer surface of the expansion valve body, the outer surface of the second fixing ring is fixedly connected with a first symmetrical L-shaped rod, the outer surfaces of the first L-shaped rods are fixedly connected with a first U-shaped block, and the upper surfaces of the first U-shaped blocks are provided with first threaded holes.

Optionally, the buffering mechanism comprises a second L-shaped rod, the second L-shaped rod is connected with the first connecting rod in a sliding mode, the bottom surface of the second L-shaped rod is fixedly connected with the upper surface of the supporting plate, and the outer surface of the second L-shaped rod is fixedly connected with the connecting cylinder.

Optionally, the outer surface of the second L-shaped rod is fixedly connected with a spring, one end of the second L-shaped rod far away from the spring is fixedly connected with a sliding rod, the sliding rod is connected with the connecting cylinder in a sliding mode, and one end of the second L-shaped rod far away from the sliding rod is fixedly connected with a triangular block.

The embodiment of the utility model has the following beneficial effects:

1. according to the embodiment of the utility model, the supporting plate, the sliding mechanism and the buffer mechanism are arranged in a matched manner, so that the damping effect of the expansion valve can be effectively improved, the self-vibration condition of the expansion valve caused by external factors when the expansion valve works is effectively avoided, the refrigeration effect of the expansion valve is not reduced under the influence of vibration, the condition that the expansion valve fails caused by vibration and needs to be maintained by people is avoided, and the expansion valve is convenient for people to use.

2. According to the embodiment of the utility model, the expansion valve can be conveniently arranged on the supporting body through the matching arrangement of the second fixing ring, the first L-shaped rod, the first U-shaped block and the first threaded hole, so that the situation that people have great trouble when installing the expansion valve is avoided, and the expansion valve is convenient to install and disassemble by people.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of a three-dimensional structure according to an embodiment of the present invention;

FIG. 2 is a schematic side view of a three-dimensional structure according to an embodiment of the present invention;

FIG. 3 is a schematic view of the mounting structure of the sliding mechanism and the buffering mechanism according to an embodiment of the present invention;

fig. 4 is a schematic view of an internal structure of a buffer mechanism according to an embodiment of the utility model.

Wherein the figures include the following reference numerals:

1. an expansion valve body; 2. a first pipeline; 3. a second pipeline; 4. a third pipeline; 5. a fourth pipeline; 6. a sealing block; 7. a gasket; 8. a screw pin; 9. a sliding mechanism; 901. a first fixing ring; 902. a first connecting rod; 903. a second connecting rod; 904. a pulley; 10. a fixing mechanism; 1001. a second fixing ring; 1002. an L-shaped rod I; 1003. a U-shaped block; 1004. a first threaded hole; 11. a support plate; 12. a buffer mechanism; 1201. a second L-shaped rod; 1202. a connecting cylinder; 1203. a spring; 1204. a slide bar; 1205. a triangular block; 13. a second threaded hole; 14. a first sealing ring; 15. a second sealing ring; 16. a third sealing ring; 17. and a sealing ring IV.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

Referring to fig. 1-4, in the present embodiment, a shock absorbing structure of an expansion valve is provided, which includes: the expansion valve comprises an expansion valve body 1, wherein a first pipeline 2 is communicated with the outer surface of the expansion valve body 1, the first pipeline 2 is communicated with an outlet of an evaporator, a second pipeline 3 is communicated with the outer surface of the expansion valve body 1, the second pipeline 3 is communicated with an inlet of a compressor, a third pipeline 4 is communicated with the outer surface of the expansion valve body 1, the third pipeline 4 is communicated with the inlet of the evaporator, a fourth pipeline 5 is communicated with the outer surface of the expansion valve body 1, and the fourth pipeline 5 is communicated with an outlet of a condenser.

The outer surface of expansion valve body 1 is provided with fixed establishment 10, fixed establishment 10 includes solid fixed ring two 1001, gu fixed ring two 1001 fixed connection is in the surface of expansion valve body 1, gu fixed ring two 1001 is connected with the outer fixed surface of expansion valve body 1 upper portion, gu fixed ring two 1001's outer fixed connection has symmetrical L shape pole one 1002, the equal fixedly connected with U-shaped piece 1003 in the surface of two L shape poles one 1002, screw hole one 1004 has all been seted up to the upper surface of two U-shaped pieces 1003, the staff can install expansion valve body 1 on the supporting body through screw hole one 1004 is quick.

The surface of expansion valve body 1 is provided with slide mechanism 9, slide mechanism 9 is including solid fixed ring 901, gu fixed ring 901 fixed connection in expansion valve body 1's surface, gu fixed ring 901 is located expansion valve body 1's below, gu fixed ring 901's symmetrical connecting rod 902 of outer fixed surface fixed connection, two connecting rod two 903 of the equal fixedly connected with connecting rod in bottom surface of two connecting rod 902, the U-shaped groove has been seted up to connecting rod two 903's one end, pulley 904 has all been installed to two connecting rod two 903 one ends of keeping away from solid fixed ring 901, pulley 904 passes through the axis of rotation and installs the inside at the U-shaped groove.

A supporting plate 11 is arranged below the expansion valve body 1, two buffer mechanisms 12 are arranged below the expansion valve body 1, each buffer mechanism 12 comprises a second L-shaped rod 1201, the second L-shaped rod 1201 is slidably connected with the first connecting rod 902, the bottom surface of the second L-shaped rod 1201 is fixedly connected with the upper surface of the supporting plate 11, the outer surface of the second L-shaped rod 1201 is fixedly connected with a connecting cylinder 1202, the outer surface of the second L-shaped rod 1201 is fixedly connected with a spring 1203, the spring 1203 is positioned in the connecting cylinder 1202 and is not contacted with the inner wall of the connecting cylinder 1202, one end, far away from the second L-shaped rod 1201, of the spring 1203 is fixedly connected with a sliding rod 1204, the vibration of the expansion valve body 1 can be effectively buffered through the elastic action of the spring 1203 on the sliding rod 1204, the sliding rod 1204 is connected with the connecting cylinder 1202 in a sliding manner, one end, far away from the second L-shaped rod 1201, of the sliding rod 1204 is fixedly connected with a triangular block 1205, and the outer surface of the pulley 904 is in contact with the inclined surface of the triangular block 1205.

The upper surface mounting of expansion valve body 1 has sealed piece 6, the sealed pad 7 is installed to the bottom surface of expansion valve body 1, can guarantee the gas tightness of expansion valve body 1 through sealed pad 7, the inner wall threaded connection of expansion valve body 1 has the screw 8, the staff can wash the inside of expansion valve body 1 through dismantling screw 8, the surface mounting of pipeline one 2 has sealing washer one 14, the surface mounting of pipeline two 3 has sealing washer two 15, the surface mounting of pipeline three 4 has sealing washer three 16, the surface mounting of pipeline four 5 has sealing washer four 17, symmetrical screw hole two 13 has been seted up to the upper surface of backup pad 11, through setting up sealing washer one 14, sealing washer two 15, the gas tightness of each kneck can be guaranteed to sealing washer three 16 and sealing washer four 17, make the refrigeration effect of expansion valve obtain further assurance.

The working principle is as follows: when the device is used, a worker firstly fixes the device on a supporting body through a first threaded hole 1004 and a second threaded hole 13, then communicates a first pipeline 2 with an outlet of an evaporator, communicates a second pipeline 3 with an inlet of a compressor, communicates a third pipeline 4 with an inlet of the evaporator, communicates a fourth pipeline 5 with an outlet of a condenser, and communicates the compressor with the condenser through a conduit, when the device is vibrated by external factors during working, a second connecting rod 903 moves downwards to drive a pulley 904 to slide on an inclined surface of a triangular block 1205, the triangular block 1205 can slide through acting force between the second connecting rod 903 and the triangular block 1205, and the vibration force applied to the second connecting rod 903 moving downwards is counteracted due to the elastic force of a spring 1203 during the sliding of the triangular block 1205, so that the self vibration of the expansion valve body 1 caused by the interference of the external factors is effectively buffered, the condition that the refrigeration effect is poor due to the fact that the vibration amplitude of the device is large is avoided, and the device is convenient for people to use.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. The utility model provides an expansion valve shock-absorbing structure, includes expansion valve body (1), its characterized in that: the outer surface intercommunication of expansion valve body (1) has pipeline one (2), the outer surface intercommunication of expansion valve body (1) has pipeline two (3), the outer surface intercommunication of expansion valve body (1) has pipeline three (4), the outer surface intercommunication of expansion valve body (1) has pipeline four (5), the outer surface of expansion valve body (1) is provided with fixed establishment (10), the outer surface of expansion valve body (1) is provided with slide mechanism (9), the below of expansion valve body (1) is provided with backup pad (11), the below of expansion valve body (1) is provided with two buffer gear (12).

2. The expansion valve shock-absorbing structure according to claim 1, wherein a sealing block (6) is installed on the upper surface of the expansion valve body (1), a sealing gasket (7) is installed on the bottom surface of the expansion valve body (1), and a screw pin (8) is threadedly connected to the inner wall of the expansion valve body (1).

3. The expansion valve shock-absorbing structure of claim 1, wherein the first sealing ring (14) is mounted on the outer surface of the first pipeline (2), the second sealing ring (15) is mounted on the outer surface of the second pipeline (3), the third sealing ring (16) is mounted on the outer surface of the third pipeline (4), the fourth sealing ring (17) is mounted on the outer surface of the fourth pipeline (5), and the upper surface of the supporting plate (11) is provided with symmetrical second threaded holes (13).

4. The expansion valve shock absorption structure according to claim 1, wherein the sliding mechanism (9) comprises a first fixing ring (901), the first fixing ring (901) is fixedly connected to the outer surface of the expansion valve body (1), symmetrical first connecting rods (902) are fixedly connected to the outer surface of the first fixing ring (901), two second connecting rods (903) are fixedly connected to the bottom surfaces of the two first connecting rods (902), and pulleys (904) are mounted at the ends of the two second connecting rods (903) far away from the first fixing ring (901).

5. The expansion valve damping structure according to claim 1, wherein the fixing mechanism (10) comprises a second fixing ring (1001), the second fixing ring (1001) is fixedly connected to the outer surface of the expansion valve body (1), the outer surface of the second fixing ring (1001) is fixedly connected with a first symmetrical L-shaped rod (1002), the outer surfaces of the first L-shaped rods (1002) are fixedly connected with a first U-shaped block (1003), and the upper surfaces of the first U-shaped blocks (1003) are provided with first threaded holes (1004).

6. An expansion valve shock absorbing structure as claimed in claim 4, wherein said cushioning mechanism (12) comprises a second L-shaped rod (1201), said second L-shaped rod (1201) being slidably connected to said first connecting rod (902), a bottom surface of said second L-shaped rod (1201) being fixedly connected to an upper surface of said support plate (11), and a connecting cylinder (1202) being fixedly connected to an outer surface of said second L-shaped rod (1201).

7. The expansion valve shock absorbing structure of claim 6, wherein a spring (1203) is fixedly connected to an outer surface of the second L-shaped rod (1201), a sliding rod (1204) is fixedly connected to one end of the spring (1203) far away from the second L-shaped rod (1201), the sliding rod (1204) is slidably connected to the connecting cylinder (1202), and a triangular block (1205) is fixedly connected to one end of the sliding rod (1204) far away from the second L-shaped rod (1201).