Fixing device for refrigerant pipe of refrigeration equipment and refrigeration equipment

By designing a fixing device for the refrigerant pipe, the installation problem of the refrigerant pipe in the evaporator liner was solved, achieving convenient installation and preventing the overflow of foam material.

CN115682580BActive Publication Date: 2026-04-07QINGDAO HAIER SPECIAL REFRIGERATOR CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2021-07-22
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Refrigerant pipes are difficult to install inside the evaporator liner, and the foaming material is prone to leakage through the refrigerant pipes.

Method used

A fixing device is designed, including a first side shell and a second side shell. The refrigerant pipe is fixed by a snap-fit ​​structure and fixed to the inner liner by a fixing plate to prevent the refrigerant pipe from rotating and swinging in the inner liner.

Benefits of technology

It enables convenient installation and secure fixing of refrigerant pipes in the inner liner, preventing leakage of foam material.

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Abstract

This invention belongs to the field of refrigeration equipment technology, specifically providing a fixing device for refrigerant pipes in refrigeration equipment and a refrigeration device itself. The invention aims to solve the problem of difficulty in inserting refrigerant pipes into the inner liner of existing refrigeration equipment. To this end, the refrigeration device of this invention includes an inner liner and an evaporator arranged within the inner liner. The refrigerant pipe is used to introduce refrigerant into the evaporator and / or to draw refrigerant out of the evaporator. The fixing device includes a first side shell and a second side shell, which are joined together and can pass through mounting holes formed on the side wall of the inner liner and are fixed to the inner liner. The joined first and second side shells define a pipe cavity allowing the refrigerant pipe to pass through, and the joined first and second side shells clamp the refrigerant pipe within the pipe cavity. The fixing device of this invention facilitates the installation of the refrigerant pipe.
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Description

Technical Field

[0001] This invention belongs to the field of refrigeration equipment technology, and specifically provides a fixing device for refrigerant pipes in refrigeration equipment and refrigeration equipment. Background Technology

[0002] Refrigeration equipment with a bottom-mounted evaporator (such as refrigerators, freezers, and freezers) usually has an inner liner, and the evaporator is placed inside the inner liner. In order to connect the evaporator in series with the refrigeration circuit, a through hole needs to be made in the inner liner so that the refrigerant pipe can pass directly through the through hole and connect the evaporator in series with the refrigeration circuit.

[0003] Because refrigerant pipes often need to be bent into specific shapes, it is difficult to insert the bent refrigerant pipes into the inner tank through the through holes on the side wall of the inner tank, which makes the installation of refrigerant pipes inconvenient. Summary of the Invention

[0004] In order to solve the above-mentioned problems in the prior art, namely the difficulty in inserting the refrigerant pipe into the inner liner of existing refrigeration equipment, one object of the present invention is to make it easier to insert the refrigerant pipe into the inner liner and to fix the refrigerant pipe to the inner liner.

[0005] A further objective of this invention is to prevent leakage of the foaming material through the refrigerant pipe during the foaming process on the inner side of the liner.

[0006] To this end, the present invention provides, in a first aspect, a fixing device for a refrigerant pipe in a refrigeration device, the refrigeration device including an inner liner and an evaporator disposed in the inner liner, the refrigerant pipe being used to introduce refrigerant into the evaporator and / or to draw refrigerant out of the evaporator; the fixing device including a first side shell and a second side shell, the first side shell and the second side shell being joined together and capable of passing through a mounting hole formed on the side wall of the inner liner and being fixed together with the inner liner; the joined first side shell and the second side shell defining a pipe cavity allowing the refrigerant pipe to pass through, and the joined first side shell and the second side shell clamping the refrigerant pipe within the pipe cavity.

[0007] Optionally, the first side shell is provided with a first engaging structure on the side facing the second side shell, and the second side shell is provided with a second engaging structure on the side facing the first side shell. The first engaging structure and the second engaging structure engage together to fix the first side shell and the second side shell together.

[0008] Optionally, the first engaging structure includes a rib, and the second engaging structure includes a slot, wherein the rib is inserted into the slot.

[0009] Optionally, the first clamping structure further comprises a buckle arranged on the insertion rib, and the second clamping structure further comprises a clamping groove arranged on the side wall of the insertion slot, and in the use state of the fixing device, the insertion rib is inserted into the insertion slot, and the buckle is embedded into the clamping groove.

[0010] Optionally, the first clamping structure further comprises a positioning guide rib arranged on the insertion rib, and the second clamping structure further comprises a positioning guide groove arranged on the side wall of the insertion slot, and the positioning guide rib and the positioning guide groove are used to guide the first side shell and the second side shell to abut against each other and be fixed together.

[0011] Optionally, the fixing device further comprises a fixing plate arranged outside the first side shell and / or the second side shell, and the fixing plate is used to abut against the side wall of the inner container.

[0012] Optionally, the fixing plate comprises a first fixing plate arranged on the first side shell and a second fixing plate arranged on the second side shell, and in the use state of the fixing device, the first fixing plate and the second fixing plate abut against each other.

[0013] Optionally, the first fixing plate is provided with a blocking rib on the side close to the second fixing plate, and the blocking rib abuts against the side surface of the second fixing plate; and the blocking rib is provided with a clearance groove used to avoid the second side shell.

[0014] Optionally, the first fixing plate is provided with a first bending part, and the first fixing plate wraps the edge of the inner container through the first bending part; and / or the second fixing plate is provided with a second bending part, and the second fixing plate wraps the corner of the inner container through the second bending part.

[0015] The application provides a refrigeration device in a second aspect, comprising the fixing device in any of the technical solutions in the first aspect.

[0016] Based on the foregoing description, those skilled in the art can understand that, in the foregoing technical solutions of the application, the refrigerant pipe is fixed to the inner container by the fixing device, which not only facilitates the insertion of the refrigerant pipe into the inner container, but also facilitates the installation of the staff.

[0017] Specifically, the refrigerant pipe is first made to pass through the mounting hole on the inner container, then the first side shell and the second side shell are abutted together to clamp the refrigerant pipe, and then the first side shell and the second side shell abutted together are inserted into the mounting hole to be fixed together with the inner container.

[0018] Further, the fixing plate arranged outside the first side shell and / or the second side shell is abutted together with the side wall of the inner container, which avoids the left and right swinging of the fixing device relative to the inner container, so that the fixing between the fixing device and the inner container is more reliable.

[0019] Further, by wrapping the first bending part on the first fixing plate around the edge of the inner container and wrapping the second bending part on the second fixing plate around the corner of the inner container, the circumference of the fixing device is fixed, and rotation of the fixing device relative to the inner container is avoided.

[0020] The above and other objects, advantages and features of the present application will become more apparent from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the present application, some embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that the components or parts indicated by the same reference signs in different drawings are the same or similar; the drawings of the present application are not necessarily drawn to scale.

[0022] In the drawings:

[0023] Figure 1 is a first rear axial view of the inner container part of the refrigeration equipment in some embodiments of the present application;

[0024] Figure 2 is a second rear axial view of the inner container part of the refrigeration equipment in some embodiments of the present application;

[0025] Figure 3 is an isometric side sectional view along the direction of A-A in Figure 2

[0026] Figure 4 is a schematic diagram of the fixing effect of the fixing device on the refrigerant pipe in some embodiments of the present application;

[0027] Figure 5 is a front axial view of the fixing device in some embodiments of the present application;

[0028] Figure 6 is a first structural exploded view of the fixing device in Figure 5

[0029] Figure 7 is a second structural exploded view of the fixing device in Figure 5

[0030] Figure 8 is a rear axial view of the fixing device in some embodiments of the present application. DETAILED DESCRIPTION

[0031] ​​​Those skilled in the art should understand that the embodiments described below are merely a part of the embodiments of the present invention, and not all of the embodiments of the present invention. These partial embodiments are intended to explain the technical principles of the present invention and are not intended to limit the scope of protection of the present invention. Based on the embodiments provided by the present invention, all other embodiments obtained by those skilled in the art without creative effort should still fall within the scope of protection of the present invention.

[0032] It should be noted that in the description of this invention, terms such as "center," "upper," "lower," "top," "bottom," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] Furthermore, it should be noted that, in the description of this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can also refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0034] Furthermore, it should be noted that the refrigeration equipment of the present invention includes refrigerators, freezers, and freezers.

[0035] The following will refer to the appendix. Figures 1-7 The refrigeration equipment and fixing device of the present invention will be described in detail below. Figure 1 This is a first rear axle side view of the inner liner portion of the refrigeration device in some embodiments of the present invention; Figure 2 This is a second rear axle side view of the inner liner portion of the refrigeration device in some embodiments of the present invention; Figure 3 It is along Figure 2 An isometric side sectional view along the AA direction; Figure 4 This is a schematic diagram illustrating the fixing effect of the fixing device on the refrigerant pipe in some embodiments of the present invention.

[0036] like Figures 1-4As shown, in some embodiments of the present invention, the refrigeration device of the present invention includes an inner liner 100, a fixing device 200, a refrigerant pipe 300, a protective sleeve 400, and an evaporator 500. The fixing device 200 is fixedly installed on the rear side wall of the inner liner 100; the refrigerant pipe 300 passes through the fixing device 200; the protective sleeve 400 is disposed between the fixing device 200 and the refrigerant pipe 300, so that the fixing device 200 clamps the refrigerant pipe 300 through the protective sleeve 400; the evaporator 500 is disposed in the inner liner 100 and is fluidly connected to the refrigerant pipe 300, so that the evaporator 500 receives refrigerant through the refrigerant pipe 300 and transfers the refrigerant therein.

[0037] In addition, in other embodiments of the present invention, those skilled in the art may omit the protective sleeve 400 as needed and allow the fixing device 200 to directly clamp the refrigerant pipe 300.

[0038] like Figures 1-3 As shown, the interior of the inner liner 100 defines a cooling chamber 110 and a storage chamber 120 located above the cooling chamber 110. The cooling chamber 110 is used to house the evaporator 500.

[0039] like Figure 1 and Figure 2 As shown, the rear sidewall of the inner liner 100 is provided with a mounting hole 101, which is configured to allow the fixing device 200 to be inserted. Near the mounting hole 101, the rear sidewall of the inner liner 100 is also formed with an edge 102 and an angle 103, which are used to fix the fixing device 200.

[0040] The following reference Figures 5-8 The fixing device 200 will be described in detail below. Figure 5 This is a front axonometric view of the fixing device in some embodiments of the present invention; Figure 6 yes Figure 5 Exploded view of the first structure of the fixing device; Figure 7 yes Figure 5 Exploded view of the second structure of the fixing device in the middle; Figure 8 This is a rear axonometric view of the fixing device in some embodiments of the present invention.

[0041] like Figures 5-7As shown, in some embodiments of the present invention, the fixing device 200 includes a first side shell 210 and a second side shell 220, and the first side shell 210 and the second side shell 220, when joined together, form a pipe cavity 230 that allows the refrigerant pipe 300 to pass through. Both the first side shell 210 and the second side shell 220 are semi-tubular structures with arc-shaped sections. Preferably, the plane containing the openings of the first side shell 210 and the second side shell 220 is parallel to the bending direction of the arc-shaped section on the first side shell 210. The plane containing the openings of the second side shell 220 and the first side shell 210 is parallel to the bending direction of the arc-shaped section on the second side shell 220.

[0042] Furthermore, in other embodiments of the present invention, those skilled in the art may, as needed, set the first side shell 210 and the second side shell 220 to other feasible shapes, such as a V-shape.

[0043] Preferably, the first side shell 210 and the second side shell 220 are fastened together in a quick-release manner. Specifically:

[0044] Such as 6 and Figure 7 As shown, a first engaging structure 211 is provided on the side of the first side shell 210 facing the second side shell 220, and a second engaging structure 221 is provided on the side of the second side shell 220 facing the first side shell 210. The first engaging structure 211 and the second engaging structure 221 engage together to fix the first side shell 210 and the second side shell 220 together.

[0045] Continue reading Figure 6 and Figure 7 The first engaging structure 211 includes a rib 2111, and the second engaging structure 221 includes a slot 2211. Specifically, on the side of the first side shell 210 facing the second side shell 220, a rib 2111 is provided on each side of the opening, and on the side of the second side shell 220 facing the first side shell 210, a slot 2211 is provided on each side of the opening. When the first side shell 210 and the second side shell 220 are engaged, each rib 2111 is inserted into its corresponding slot 2211. The rib 2111 and the slot 2211 are either clearance-fitted or interference-fitted.

[0046] Continue reading Figure 6 and Figure 7Optionally, the first engaging structure 211 further includes a buckle 2112 disposed on the insert rib 2111, and the second engaging structure 221 further includes a groove 2212 disposed on the side wall of the slot 2211. In the working state of the fixing device 200 (with the first side shell 210 and the second side shell 220 joined together), the insert rib 2111 is inserted into the slot 2211, and the buckle 2112 is embedded in the groove 2212. Optionally, the buckle 2112 is disposed on the outer surface of the insert rib 2111, and the groove 2212 is formed on the outer wall of the slot 2211. Alternatively, those skilled in the art may, as needed, dispose of the buckle 2112 on the inner surface of the insert rib 2111 and the groove 2212 on the inner wall of the slot 2211.

[0047] In addition, in other embodiments of the present invention, those skilled in the art may, as needed, provide a slot on the insert rib 2111 and a buckle on the side wall of the slot 2211.

[0048] Continue reading Figure 6 and Figure 7 Optionally, the first engaging structure 211 further includes a positioning guide rib 2113 disposed on the insert rib 2111, and the second engaging structure 221 further includes a positioning guide groove 2213 disposed on the side wall of the slot 2211. When the first side shell 210 and the second side shell 220 are engaged together, the positioning guide rib 2113 is inserted into the positioning guide groove 2213. The positioning guide rib 2113 and the positioning guide groove 2213 guide the first side shell 210 and the second side shell 220 to mate and be fixed together. Furthermore, the mating positioning guide rib 2113 and the positioning guide groove 2213 prevent the first side shell 210 from sliding relative to the second side shell 220 in the extending direction. The positioning guide groove 2213 and the slot 2211 are spaced apart from each other in the extending direction of the second side shell 220.

[0049] Continue reading Figure 6 and Figure 7 The fixing plate 240 includes a first fixing plate 241 disposed on the first side shell 210 and a second fixing plate 242 disposed on the second side shell 220. The first side shell 210 and the first fixing plate 241 are fixedly connected or integrally formed, and the second side shell 220 and the second fixing plate 242 are fixedly connected or integrally formed. Furthermore, when the first side shell 210 and the second side shell 220 are joined together, the first fixing plate 241 and the second fixing plate 242 abut against each other through their opposite sides.

[0050] Continue reading Figure 6 and Figure 7Optionally, a baffle 2411 is provided on the side of the first fixing plate 241 near the second fixing plate 242, and the baffle 2411 abuts against the side of the second fixing plate 242. The baffle 2411 is used to prevent the second fixing plate 242 (and the second side shell 220) from moving away from the inner liner 100.

[0051] Continue reading Figure 6 and Figure 7 The side of the baffle 2411 near the second side shell 220 extends to the insert rib 2111, and the baffle 2411 is provided with a clearance groove 24111 near the insert rib 2111. The clearance groove 24111 is used to avoid the second side shell 220, specifically to avoid the outer wall of the slot 2211.

[0052] Continue reading Figure 6 and Figure 7 The baffle 2411 is also aligned with a positioning guide groove 2213 on the second side shell 220.

[0053] like Figure 8 As shown, when the first side shell 210 and the second side shell 220 are joined together, the baffle 2411 is embedded in the positioning guide groove 2213 to prevent the first fixing plate 241 from moving away from the inner liner 100 by means of the side wall of the guide groove 2213.

[0054] Therefore, in the direction away from the inner liner 100, the combination of the baffle 2411 and the side wall of the guide groove 2213, and the combination of the baffle 2411 and the side of the second fixing plate 242, can make the first fixing plate 241 and the second fixing plate 242 relatively fixed together, preventing the first fixing plate 241 and the second fixing plate 242 from moving away from the inner liner 100.

[0055] like Figure 6 and Figure 7 As shown, a first bending portion 2412 is provided on the first fixing plate 241, and the first fixing plate 241 wraps around the edge 102 of the inner liner 100 (e.g., ...) through the first bending portion 2412. Figure 1 and Figure 2 (As shown). The second fixing plate 242 is provided with a second bending portion 2422, and the second fixing plate 242 wraps around the corner 103 of the inner liner 100 through the second bending portion 2422 (as shown). Figure 1 and Figure 2 (As shown).

[0056] In some embodiments of the present invention, the structure in which the first bending portion 2412 wraps around the edge 102 and the second bending portion 2422 wraps around the corner 103 can prevent the fixing device 200 from rotating in the mounting hole 101, and at the same time can also protect the edge 102 and the corner 103.

[0057] Furthermore, the fixing device 200 and the inner liner 100 can be fixed together in any feasible manner.

[0058] As an alternative, the first side shell 210 and the second side shell 220 are fitted together with the mounting hole 101 with a clearance fit, and the fixing plate 240 is bonded to the rear wall of the inner liner 100, thereby achieving the fit between the fixing device 200 and the inner liner 100, and thus the fixing plate 240 blocks the mounting hole 101 to prevent the foam material in the inner liner 100 from overflowing.

[0059] As an alternative, the first side shell 210 and the second side shell 220, which are connected together, are interference-fitted with the mounting hole 101.

[0060] As an alternative method three, the fixing plate 240 is fastened to the rear wall of the inner liner 100 by screws or bolts, thereby achieving the fit between the fixing device 200 and the inner liner 100.

[0061] The following reference Figure 1 , Figure 2 , Figures 4-6 The following will provide a detailed description of how to use the fixing device 200 of the present invention.

[0062] First, a protective sleeve 400 is fitted over the outside of the refrigerant pipe 300, and then the refrigerant pipe 300 is inserted into the mounting hole 101. The protective sleeve 400 is then slid into the mounting hole 101. Because the size of the mounting hole 101 is much larger than the size of the refrigerant pipe 300, the refrigerant pipe 300 can be easily inserted into the mounting hole 101.

[0063] Then, the first side shell 210 and the second side shell 220 are fastened to the outside of the protective sleeve 400, so that the first side shell 210 and the second side shell 220 press against the protective sleeve 400, and thus the first side shell 210 and the second side shell 220 press against the refrigerant pipe 300 by means of the protective sleeve 400.

[0064] Finally, insert the first side shell 210 and the second side shell 220 into the mounting hole 101, and make the fixing plate 240 fit tightly against the rear wall of the inner liner 100.

[0065] The protective sleeve 400 is preferably made of a flexible material so that it can deform inward when squeezed by the first side shell 210 and the second side shell 220, thus squeezing the refrigerant pipe 300.

[0066] Based on the above description, those skilled in the art will understand that the fixing device 200 of the present invention not only facilitates the insertion of the refrigerant pipe 300 into the inner liner 100, but also firmly fixes the refrigerant pipe 300 to the inner liner 100. At the same time, the fixing part 240 can block the mounting hole 101 to prevent the foaming material in the inner liner 100 from overflowing.

[0067] In addition, in other embodiments of the present invention, those skilled in the art may, as needed, configure the fixing plate 240 as having a through hole and allow the fixing plate 240 to be sleeved on the outside of the first side shell 210 and the second side shell 220 through the through hole.

[0068] Alternatively, in other embodiments of the present invention, those skilled in the art may retain only one of the first fixing plate 241 and the second fixing plate 242 as needed.

[0069] The technical solutions of the present invention have been described in conjunction with several embodiments above. However, it will be readily understood by those skilled in the art that the scope of protection of the present invention is not limited to these specific embodiments. Without departing from the technical principles of the present invention, those skilled in the art can disassemble and combine the technical solutions in the above embodiments, and can also make equivalent changes or substitutions to related technical features. Any changes, equivalent substitutions, improvements, etc., made within the technical concept and / or technical principles of the present invention will fall within the scope of protection of the present invention.

Claims

1. A device for fixing a refrigerant pipe in a refrigeration device, the refrigeration device comprising an inner liner and an evaporator disposed in the inner liner, the refrigerant pipe being used to introduce refrigerant into the evaporator and / or to lead out refrigerant from the evaporator; The fixing device includes a first side shell and a second side shell, the first side shell and the second side shell are joined together and can pass through the mounting hole formed on the side wall of the inner liner and be fixed together with the inner liner; The first and second side shells, which are joined together, define a pipe cavity through which the refrigerant pipe passes, and the first and second side shells, which are joined together, clamp the refrigerant pipe within the pipe cavity; The first side shell is provided with a first engaging structure on the side facing the second side shell, and the second side shell is provided with a second engaging structure on the side facing the first side shell. The first engaging structure and the second engaging structure engage together to fix the first side shell and the second side shell together. The first engaging structure includes a rib and a buckle disposed on the rib, the rib extending from one end of the first side shell to the other end of the first side shell along the extending direction of the first side shell; The second engaging structure includes a slot and a groove disposed on the side wall of the slot, the slot extending from one end of the second side shell to the other end of the first side shell along the extending direction of the second side shell; The first side shell and the second side shell each have opposing arc-shaped segments; The insert is inserted into the slot, thereby causing the snap fastener to engage in the slot, thereby securing the first side shell and the second side shell together.

2. The fixing device for refrigerant pipes in refrigeration equipment according to claim 1, wherein, The first engaging structure further includes a positioning guide rib disposed on the insertion rib, and the second engaging structure further includes a positioning guide groove disposed on the side wall of the slot. The positioning guide rib and the positioning guide groove are used to guide the first side shell and the second side shell to mate with each other and be fixed together.

3. The fixing device for refrigerant pipes in refrigeration equipment according to claim 1 or 2, wherein, The fixing device further includes a fixing plate disposed on the outside of the first side shell and / or the second side shell, the fixing plate being used to abut against the side wall of the inner liner.

4. The fixing device for refrigerant pipes in refrigeration equipment according to claim 3, wherein, The fixing plate includes a first fixing plate disposed on the first side shell and a second fixing plate disposed on the second side shell. When the fixing device is in use, the first fixing plate and the second fixing plate abut against each other.

5. The fixing device for refrigerant pipes in refrigeration equipment according to claim 4, wherein, A baffle is provided on the side of the first fixing plate near the second fixing plate, and the baffle abuts against the side of the second fixing plate; The baffle is provided with a clearance groove for avoiding the second side shell.

6. The fixing device for refrigerant pipes in refrigeration equipment according to claim 5, wherein, The first fixing plate is provided with a first bending portion, and the first fixing plate wraps around the edge of the inner liner through the first bending portion.

7. The fixing device for refrigerant pipes in refrigeration equipment according to claim 5, wherein, The second fixing plate is provided with a second bending portion, and the second fixing plate wraps around the edges of the inner liner through the second bending portion.

8. A refrigeration device, wherein, The refrigeration equipment includes the fixing device according to any one of claims 1-7.

Citation Information

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