CN112414572A

CN112414572A - Fixing device and heat pump equipment

Info

Publication number: CN112414572A
Application number: CN201911413547.3A
Authority: CN
Inventors: 杨磊; 李建民; 魏爱国; 康乐; 刘玉君; 管祥华; 高家富; 侯梅梅; 李羲龙
Original assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd; Qingdao Haier New Energy Electric Appliance Co Ltd
Current assignee: Haier Smart Home Co Ltd; Qingdao Economic and Technological Development Zone Haier Water Heater Co Ltd; Qingdao Haier New Energy Electric Appliance Co Ltd
Priority date: 2019-08-20
Filing date: 2019-12-31
Publication date: 2021-02-26

Abstract

The invention belongs to the technical field of electrical equipment, and particularly relates to a fixing device which comprises a first opening sleeve pipe and a second opening sleeve pipe, wherein the first opening sleeve pipe is provided with a first opening along the axial direction, the second opening sleeve pipe is provided with a second opening along the axial direction, the first opening is arranged towards the second opening, the first side of the first opening is connected with the first side of the second opening, and the second side of the first opening and the second side of the second opening are free sides and form a mounting opening of the fixing device; the cylinder corresponding to the first split sleeve is circumscribed with the cylinder corresponding to the second split sleeve. The fixing device is simple in structure, and is convenient for tightly fixing one structure on the outer side of the other structure without welding. The invention also relates to heat pump equipment for mounting the temperature sensing probe by using the fixing device.

Description

Fixing device and heat pump equipment

Technical Field

The invention belongs to the technical field of electrical equipment, and particularly relates to a fixing device and heat pump equipment.

Background

In an air conditioning system, when outdoor working conditions are severe, the system pressure is abnormally high, the exhaust temperature is much higher than that under the outdoor normal working conditions, and the temperature of a cylinder body of a compressor exceeds a safety range, so that the compressor is frequently started and stopped. In order to ensure the operation safety of the air conditioning system, the temperature of the refrigerant needs to be measured by the temperature sensing head to adjust the operation state of the air conditioner.

In the prior art, a temperature sensing probe is fixed through a probe copper pipe, a copper temperature sensing sleeve is welded on the surface of a pipe fitting to be subjected to temperature measurement firstly, the probe copper pipe is welded on the pipe fitting to be subjected to temperature measurement in a welding mode, the temperature sensing probe is inserted into the probe copper pipe and fixed through a spring piece, the temperature sensing probe is pressed tightly, and meanwhile, the temperature sensing probe is close to the inner pipe wall of the temperature sensing sleeve. However, the temperature sensing sleeve is likely to be subjected to cold joint or weld misalignment during welding, which causes variations in the test temperature. Different positions of the clamp springs can also lead to different positions of the temperature sensing probe attached to the inner wall of the temperature sensing sleeve, and the temperature deviation can be tested, so that the running accuracy of the unit is reduced. In addition, the welding consumes higher energy, and the temperature sensing sleeve is easy to be deformed in the transportation process, thereby influencing the assembly efficiency of the temperature sensing bulb. Moreover, various materials are needed in the final assembly process, and the assembly efficiency is low.

The fixing device of some current temperature sensing package is equipped with two archs, sets up the bayonet socket at the opening side, constitutes annular fixing clip, but this kind of assembly mode requires that temperature sensing package and pipeline put together earlier, then adds the temperature sensing package, has increased the operation degree of difficulty. And the shape of fixing clip need be adjusted when using, can cause fixing clip and pipeline laminating imperfect, and its arch face is relatively poor with the pipeline laminating degree after the processing, the installation of being not convenient for.

In view of this characteristic, the present invention is proposed.

Disclosure of Invention

The invention aims to provide a fixing device.

In order to solve the technical problems, the invention adopts the technical scheme that:

a fixing device comprises a first opening sleeve provided with a first opening along the axial direction, and a second opening sleeve provided with a second opening along the axial direction, wherein the first opening is arranged towards the second opening, the first side of the first opening is connected with the first side of the second opening, and the second side of the first opening and the second side of the second opening are free sides and form a mounting opening of the fixing device; the first split sleeve circumscribes the second split sleeve.

In one embodiment, the second side of the first opening extends outward to form a flange structure.

In one embodiment, the flanging structure is a fourth split sleeve with a third opening along the axial direction, the central axis of the fourth split sleeve is parallel to the central axis of the first split sleeve, and the orientation of the third opening is opposite to the orientation of the first opening.

In one embodiment, the first end of the second split sleeve extends axially outward to form a guide structure.

In one embodiment, the guide structure is a third split sleeve having a radius greater than a radius of the second split sleeve. Through setting up the radius of third opening sleeve pipe into being greater than the radius of second opening sleeve pipe for the opening that the end was inserted to the second opening sleeve pipe is bigger, makes the part that inserts from second opening sleeve pipe tip can receive the guide effect of third opening sleeve pipe and correspond corresponding inserting, and then has promoted the smoothness degree and the smooth and easy nature of inserting that correspond the installation component in the second opening sleeve pipe.

As an embodiment, the second end of the second split sleeve is provided with a limiting structure, and the limiting structure extends from the inner peripheral wall of the second split sleeve to a direction perpendicular to the axial direction of the second split sleeve.

As an implementation manner, the fixing device further includes a plurality of spring plates, a plurality of positioning holes are formed in the circumferential wall of the second opening sleeve, and the spring plates are arranged in the positioning holes.

In one embodiment, the radian of the first split sleeve is alpha, and the radian of the second split sleeve is beta, wherein beta is less than or equal to pi rad and less than alpha is less than 2 pi rad. Through setting up the circumference extension angle of first opening sleeve pipe for being greater than 180 degrees, the circumference extension angle of second opening sleeve pipe sets up for being less than 180 degrees for the part that corresponds the assembly in the first opening sleeve pipe can be fixed, and make its and the part of installing in the second opening sleeve pipe laminate contact each other and receive the extrusion and fixed assembly, realized two parts laminating contact and firm fixed effect in fixing device, promoted the firm degree after the assembly of different parts.

In one embodiment, β is π rad and α is 1.4 π rad.

As an implementation manner, a plurality of hollow structures are arranged on the peripheral wall of the first opening sleeve or/and the second opening sleeve, and the hollow structures extend along the circumferential direction.

The invention also relates to heat pump equipment which comprises a heat pump, a pipe body to be measured and a temperature sensing probe, wherein the pipe body to be measured and the temperature sensing probe are connected through any one fixing device, the pipe body to be measured is clamped in the first opening of the first opening sleeve through the mounting port of the fixing device, and the temperature sensing probe penetrates through the end part of the second opening sleeve and is arranged in the second opening of the second opening sleeve.

In one embodiment, a flange structure extends outwards from the second side of the first opening, and the electric wire of the temperature sensing probe is arranged in the flange structure.

In one embodiment, the flanging structure is a fourth opening sleeve with a third opening along the axial direction, the central axis of the fourth opening sleeve is parallel to the central axis of the first opening sleeve, the orientation of the third opening is opposite to the orientation of the first opening, and the electric wire of the temperature sensing probe is arranged in the fourth opening sleeve.

In one embodiment, the heat pump device is an air conditioner or a water heater having a heat pump.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

the fixing device is simple in structure, and is convenient for tightly and fittingly fixing one structure on the outer side of the other structure without welding.

The two opening sleeves of the fixing device are externally tangent, so that the two parts are directly fixedly connected together in a mutually attached contact manner through the fixing device, and the using effects of attaching, contacting, assembling and fixing different parts are realized; meanwhile, different parts can be correspondingly inserted into the fixing device from the mounting openings, so that the assembly between the parts is quicker and more efficient.

In addition, when the fixing device is used for fixing the temperature sensing probe of the air conditioner or the water heater with the heat pump, the temperature sensing probe is tightly attached to a pipeline to be measured, so that accurate temperature can be obtained conveniently, and the operation accuracy of the unit can be improved.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of a fastening structure according to the present invention;

FIG. 2 is a side view of the fixation structure shown in FIG. 1;

FIG. 3 is a sectional view taken along A-A of the fixation structure shown in FIG. 2;

FIG. 4 is an assembled view of the fixing structure of the present invention in an air conditioner;

fig. 5 is a partial cross-sectional view of fig. 4.

The figure is marked with: 100. a fixing device; 101. a first split sleeve; 1011. a first opening; 102. a second split sleeve; 1021. a second opening; 103. a flanging structure; 1031. a third opening; 1032. a tightening part; 104. a guide structure; 105. a limiting structure; 106. a spring plate; 107. an installation port; 108. positioning holes; 109. a hollow structure; 200. a pipe body to be measured; 300. a temperature sensing probe; 400. an electric wire.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-5, the present invention discloses a fixing device 100, the fixing device 100 includes a first opening sleeve 101 and a second opening sleeve 102, the first opening sleeve 101 has a first opening 1011 along the axial direction, the second opening sleeve 102 has a second opening 1021 along the axial direction; the first opening 1011 is disposed toward the second opening 1021, a first side of the first opening 1011 is connected to a first side of the second opening 1021, and a second side of the first opening 1011 and a second side of the second opening 1021 are not connected to form a free side, so as to form the mounting opening 107 of the fixing device 100; the corresponding cylinder of the first split sleeve 101 is circumscribed with the corresponding cylinder of the second split sleeve 102.

The first opening sleeve and the second opening sleeve are arranged in an outward tangent mode, so that parts mounted in the two opening sleeves can be correspondingly attached and contacted through the tangent line, the using effects that two different parts are assembled and fixed through the fixing device, and adjacent sides are correspondingly attached and contacted through the tangent position are achieved. Meanwhile, the two parts are correspondingly mounted through the mounting ports of the fixing devices, so that the assembly rate is greatly improved.

The open sleeve is a structure in which an opening is axially formed in a hollow cylindrical sleeve body, and a cylinder corresponding to the open sleeve is a cylinder which is coaxial with and has the same diameter as an arc surface formed on the wall of the open sleeve.

The radius of the first split sleeve 101 or the radius of the second split sleeve 102 can be specifically set according to the size of the structure to be installed and fixed, and the radius of the first split sleeve 101 can be set to be the same as or different from that of the second split sleeve 102.

The fixing device 100 can perfectly fit the first structure and the second structure through the structure of the fixing device, tightly fix the first structure on the periphery of the second structure, and is quick to install.

As an example, the specific installation process of the fixing device 100 is as follows: the first structure is engaged with the first opening 1011 of the first split sleeve 101 through the attachment opening 107, the first structure is engaged with the first split sleeve 101, and then the second structure is inserted into the second split sleeve 102 from the end of the second split sleeve 102. Because the cylinder corresponding to the first split sleeve 101 is circumscribed with the cylinder corresponding to the second split sleeve 102, the first structure and the second structure are tightly attached, and the installation is stable.

Preferably, in order to make the second structure more smoothly installed in the second split sleeve 102, the first end of the second split sleeve 102 for inserting the second structure is provided with a guiding structure 104 extending axially outwards.

The guiding structure 104 has a smooth inner surface, and as a specific implementation manner, the guiding structure 104 is a third open sleeve, and the radius of the third open sleeve is greater than that of the second open sleeve 102, so that the third open sleeve with a larger radius forms a smooth transition curved surface, and the corresponding mounting component is smoothly inserted into the second open sleeve under the action of the transition curved surface with a larger curvature when correspondingly inserted, thereby achieving the use effect of improving the assembly rate.

In order to improve the overall stability and the aesthetic property of the fixing device 100, it is preferable that the third split sleeve and the second split sleeve 102 are coaxially disposed, so that the component to be assembled can be smoothly and correspondingly inserted into the second split sleeve from the third split sleeve, thereby improving the convenience of assembly.

The invention also relates to heat pump equipment which comprises a heat pump, a pipe body 200 to be measured and a temperature sensing probe 300, wherein the pipe body 200 to be measured and the temperature sensing probe 300 are connected through the fixing device, the pipe body 200 to be measured is clamped in the first opening 1011 of the first opening sleeve 101 through the mounting port 107 of the fixing device, and the temperature sensing probe 300 passes through the end part of the second opening sleeve 102 and is arranged in the second opening 1021 of the second opening sleeve 102. Through the arrangement, the temperature sensing probe which is in the corresponding column shape and the temperature pipe body to be detected can be respectively and correspondingly assembled in the first opening sleeve and the second opening Europe sleeve, so that the two parts are fixedly arranged on the same fixing device and mutually correspond to each other to be attached and contacted, and the effects of effectively contacting the temperature pipe body to be detected and accurately detecting the temperature of the temperature pipe body to be detected are achieved.

Example 2

This embodiment is a further optimization or limitation or equivalent replacement of embodiment 1.

A fixing device 100 comprises a first opening sleeve 101 and a second opening sleeve 102, wherein the first opening sleeve 101 and the second opening sleeve 102 are provided with a first opening 1011 and a second opening 1021 which penetrate through the axial direction; the first opening 1011 is disposed opposite to the second opening 1021, a first side of the first opening 1011 is connected to a first side of the second opening 1021, and a second side of the first opening 1011 and a second side of the second opening 1021 are free sides and form the mounting opening 107 of the fixing device 100; the corresponding cylinder of the first split sleeve 101 is circumscribed with the corresponding cylinder of the second split sleeve 102, and the radius of the first split sleeve 101 is larger than that of the second split sleeve 102.

Referring to fig. 1 and 2, the radian of the first split sleeve 101 is alpha, and the radian of the second split sleeve 102 is beta, wherein beta ≦ pi rad < alpha < 2 pi rad. The circumferential extension angles of the first opening sleeve and the second opening sleeve are respectively set to be larger than 180 degrees and smaller than 180 degrees, so that the first opening sleeve with a larger radius has a larger wrapping area to the inner assembly part of the first opening sleeve, and the inner assembly part of the second opening sleeve with a smaller radius is fixedly held in the inner part by clamping of the fixing device and the inner assembly part of the first opening sleeve, and the effect of reliably assembling two different parts is realized.

The fixing device 100 may be used to fix a device including a first structure, a second structure and a third structure, the second side of the first opening 1011 extends outwards to form a flange structure 103, and the third structure is disposed in the flange structure 103. The flanging structure extending outwards is arranged at the mounting opening of the fixing device, so that the flanging structure forms a third structure for other parts to be assembled, and the fixing device can correspondingly assemble three different parts into different structures one by one respectively to achieve the effect of fixing the parts.

Specifically, the flanging structure is a fourth opening sleeve with a third opening 1031 penetrating through the axial direction, the direction of the third opening 1031 is opposite to the direction of the first opening 1011, the central axis of the fourth opening sleeve is arranged in parallel with the central axis of the first opening sleeve, and as a specific implementation manner, the radian of the fourth opening sleeve is greater than or equal to pi rad. The installation opening of the fixing device is provided with the outward bent flanging structure to form a fourth opening sleeve which protrudes outwards, so that a user can conveniently hold the fourth opening sleeve, and the elastic opening or closing using effect of the installation opening of the fixing device is realized. Preferably, the free side of the third opening 1031 of the fourth opening sleeve extends and contracts towards the outer peripheral wall of the first opening sleeve 101 to form a tightening part 103, so as to reduce the width of the third opening and provide a limiting effect for the loading part.

In order to allow the second structure to be more smoothly mounted in the second split sleeve 102, a guide structure 104 is provided at a first end of the second split sleeve 102 for inserting the second structure and extending outward in the axial direction. The other end, i.e. the second end, of the second split sleeve 102 is provided with a limiting structure 105, and the limiting structure 105 extends from the inner peripheral wall of the second split sleeve 102 to a direction perpendicular to the axial direction of the second split sleeve 102, so that the second structure can be prevented from being inserted too deeply or sliding out from the end.

Specifically, the limiting structure 105 is a plate-shaped structure extending from the inner peripheral wall of the second split sleeve 102 toward a direction perpendicular to the axial direction of the second split sleeve 102. Through the arrangement of the plate-shaped structure, the radial protruding part is formed at the second opening sleeve to axially limit the part inserted into the second opening sleeve, so that the axial relative position of the inserted part in the fixing device is ensured, and the relative position inserted into the second opening sleeve is ensured to be fixed.

The invention also relates to heat pump equipment, which comprises a heat pump, a to-be-measured temperature pipe body 200 and a temperature sensing probe 300, wherein the temperature sensing probe 300 is arranged on the to-be-measured temperature pipe body 200 through the fixing device 100, the to-be-measured temperature pipe body 200 is clamped in a first opening 1011 of a first opening sleeve 101 through an installation opening 107 of the fixing device, the first opening 1011 at least wraps part of the periphery of the to-be-measured temperature pipe body 200, the temperature sensing probe 300 penetrates through the end part of a second opening sleeve 102 and is arranged in a second opening 1021 of the second opening sleeve 102, the periphery of one side of the temperature sensing probe 300 is attached to the to-be-measured temperature pipe body 200, and an electric wire 400 of the temperature sensing probe 300 is arranged in a third opening 1031 of the flanging structure 103, so that the temperature sensing probe 300 and the accessory structures thereof are attractive, compact.

When the fixing device is used for fixing the temperature sensing probe 300 of the heat pump equipment, the temperature sensing probe 300 is tightly attached to the temperature pipe body 200 to be measured, so that accurate temperature can be conveniently obtained, and the operation accuracy of the unit can be improved.

Example 3

This example is a further optimization or limitation or equivalent replacement to example 1 or example 2.

Referring to fig. 1, 3 and 4, the circumferential wall of the second opening sleeve 102 is provided with a plurality of positioning holes 108, the elastic sheet 106 is disposed in the positioning holes 108, and the elastic sheet 106 is inserted into the positioning holes 108 to further press the temperature sensing probe 300, so that the temperature sensing probe 300 is more tightly attached to the temperature measuring pipe 200, and the temperature measurement is more accurate.

The peripheral wall of the first opening sleeve 101 is provided with a plurality of hollow structures 109, and the hollow structures 109 extend along the circumferential direction of the first opening sleeve 101, so that the rigidity of the first opening sleeve 101 is moderate, and the clamping installation is labor-saving and convenient.

Referring to fig. 2, 3 and 4, the free side of the third opening 1031 of the cuff structure 103 extends and contracts toward the peripheral wall of the first opening sleeve 101 to form a constriction 1032. The electric wire 400 of the temperature sensing probe 300 can be provided in the third opening 1031 through the tightening part 1032, and the tightening part 1032 returns to the state of being in contact with the outer peripheral wall of the first opening sleeve 101, so that the electric wire 400 is fastened in the third opening 1031 and is not easily detached. And because turn-ups structure 103 and first split sleeve 101, second split sleeve 102 integrated into one piece, structural stability is better.

Example 4

This embodiment is a further optimization or limitation or equivalent replacement of embodiment 1 or embodiment 2 or embodiment 3.

A fixing device 100 comprises a first opening sleeve 101 and a second opening sleeve 102, wherein the first opening sleeve 101 and the second opening sleeve 102 are provided with a first opening 1011 and a second opening 1021 which penetrate through the axial direction, the first opening 1011 and the second opening 1021 are arranged oppositely, the first side of the first opening 1011 is connected with the first side of the second opening 1021, the second side of the first opening 1011 and the second side of the second opening 1021 are free sides, and an installation opening 107 of the fixing device 100 is formed;

the cylinder corresponding to the first split sleeve 101 is circumscribed with the cylinder corresponding to the second split sleeve 102, the radian of the first split sleeve 101 is alpha, the radian of the second split sleeve 102 is beta, wherein beta is pi rad, and alpha is 1.4 pi rad.

The inner surface or/and the outer surface of the fixing device 100 is/are provided with a metal anticorrosive layer, and the inner surface of the first split sleeve 101 or/and the second split sleeve 102 is/are provided with a structure for increasing static friction force, so that the phenomenon that the fixing device 100 shakes to cause pipe grinding in the transportation process can be avoided.

Example 5

This example is a further illustration or limitation of examples 1-4.

Specifically, the heat pump device is an air conditioner, the air conditioner has a heat pump, a temperature-measuring tube 200 and a temperature sensing probe 300, and the heat pump needs to measure the temperature of the refrigerant in the temperature-measuring tube 200 through the temperature sensing probe 300 during operation to adjust the operation state of the air conditioner. The temperature sensing probe 300 is arranged on the temperature-to-be-measured pipe body 200 through the fixing device 100, the temperature-to-be-measured pipe body 200 is clamped in the first opening 1011 of the first opening sleeve 101 through the mounting port 107 of the fixing device, the first opening 1011 at least wraps the part of the periphery of the temperature-to-be-measured pipe body 200, the temperature sensing probe 300 penetrates through the end part of the second opening sleeve 102 and is arranged in the second opening 1021 of the second opening sleeve 102, the periphery of one side of the temperature sensing probe 300 is attached to the temperature-to-be-measured pipe body 200, and the electric wire 400 of the temperature sensing probe 300 is arranged in the third opening 1031 of the flanging structure 103, so that the temperature sensing probe 300 and the accessory structures thereof are attractive, tight and firm in arrangement on the periphery of.

Alternatively, as another specific embodiment, the heat pump device is a water heater.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a fixing device, includes and offers the first open sleeve pipe of first opening, offers the second open sleeve pipe of second opening along the axial, its characterized in that:

the first opening is arranged towards the second opening, the first side of the first opening is connected with the first side of the second opening, and the second side of the first opening and the second side of the second opening are free sides and form an installation opening of the fixing device;

the cylinder corresponding to the first split sleeve is circumscribed with the cylinder corresponding to the second split sleeve.

2. The fastening device of claim 1, wherein the second side of the first opening extends outwardly to provide a flange structure;

preferably, the flanging structure is a fourth opening sleeve with a third opening along the axial direction, the central axis of the fourth opening sleeve is parallel to the central axis of the first opening sleeve, and the orientation of the third opening is opposite to that of the first opening.

3. The fastening device of claim 1, wherein the first end of the second split sleeve extends axially outwardly with a guide structure;

preferably, the guide structure is a third split sleeve having a radius larger than the radius of the second split sleeve.

4. The fastening device of claim 1, wherein the second end of the second split sleeve is provided with a stop structure extending from an inner peripheral wall of the second split sleeve in a direction perpendicular to an axial direction of the second split sleeve.

5. The fixing device according to claim 1, comprising a plurality of resilient pieces, wherein the second opening sleeve has a plurality of positioning holes on a peripheral wall thereof, and the resilient pieces are disposed in the positioning holes.

6. The fastening device of any one of claims 1-5, wherein the radian measure of the first split sleeve is α and the radian measure of the second split sleeve is β, wherein β ≦ π rad < α < 2 π rad;

preferably, β is π rad and α is 1.4 π rad.

7. The fixing device according to any one of claims 1 to 5, wherein a plurality of hollowed-out structures are arranged on the peripheral wall of the first opening sleeve or/and the second opening sleeve, and the hollowed-out structures extend along the circumferential direction;

preferably, the inner surface or/and the outer surface of the fixing device is/are provided with a metal anticorrosive layer, and the inner surface of the first split sleeve or/and the second split sleeve is/are provided with a structure for increasing static friction force.

8. A heat pump device comprises a heat pump, a temperature-measuring pipe body and a temperature-sensing probe, and is characterized in that the temperature-measuring pipe body and the temperature-sensing probe are connected through the fixing device according to any one of claims 1 to 7, the temperature-measuring pipe body is clamped in a first opening of a first opening sleeve through a mounting hole of the fixing device, and the temperature-sensing probe penetrates through the end part of a second opening sleeve and is arranged in a second opening of the second opening sleeve.

9. The heat pump equipment according to claim 8, wherein a flange structure extends outwards from the second side of the first opening, and the electric wire of the temperature sensing probe is arranged in the flange structure;

preferably, the flanging structure is a fourth opening sleeve with a third opening along the axial direction, the central axis of the fourth opening sleeve is parallel to the central axis of the first opening sleeve, the orientation of the third opening is opposite to that of the first opening, and the electric wire of the temperature sensing probe is arranged in the fourth opening sleeve.

10. The heat pump apparatus according to claim 8 or 9, wherein the heat pump apparatus is an air conditioner or a water heater having a heat pump.