Energy-saving evaporator connecting pipe assembly and using method thereof

Abstract

The invention discloses an energy-saving evaporator connecting pipe assembly and a using method thereof.The energy-saving evaporator connecting pipe assembly comprises a guide pipe body and rotatable connectors installed at the two ends of the guide pipe body, the guide pipe body is sleeved with a long spring, and the two ends of the long spring abut against the rotatable connectors; the product adopts the rotatable connectors, the rotatable connectors at the two ends are used for connecting the evaporator and the compressor, the threaded connection mode is adopted, threaded connection is tight, leakage of refrigerants can be avoided, adaptive adjustment can be conducted according to the installation position through the rotatable characteristic, and torsion of the pipeline body is avoided; and the technical problem of unsmooth refrigerant circulation caused by torsion of the pipeline body is avoided.

Description

Technical Field

[0001] The present invention relates to an energy-saving evaporator connecting pipe assembly and a using method thereof. Background Art

[0002] As an important component among the four major refrigeration components, the evaporator works on the principle that low-temperature liquid refrigerant passes through the evaporator and exchanges heat with the outside air, "vaporizing" and absorbing heat to achieve the refrigeration effect. The evaporator mainly consists of a heating chamber and an evaporation chamber. The heating chamber provides the heat required for the refrigerant to evaporate, causing the refrigerant to boil and vaporize; the evaporation chamber completely separates the gas-liquid two-phase. The energy-saving evaporator belongs to a type of evaporator.

[0003] The evaporator connecting pipe assembly is mainly used to connect the evaporator and the compressor for the rapid circulation of the refrigerant.

[0004] In our practical applications, we found that in order to ensure the tightness of the threaded connection, the connecting conduit is in a twisted state, and its internal passage cross-section becomes narrow after being bent, resulting in poor refrigerant circulation.

[0005] However, when the pipe is adjusted to be stretched, the tightness of the threaded connection cannot be ensured.

[0006] Based on the above problems, we designed an energy-saving evaporator connecting pipe assembly that can be adaptively adjusted, avoid the torsion of the pipe body, and ensure smooth refrigerant circulation, as well as its using method. Summary of the Invention

[0007] The technical problem to be solved by the present invention is to provide an energy-saving evaporator connecting pipe assembly that can be adaptively adjusted, avoid the torsion of the pipe body, and ensure smooth refrigerant circulation, as well as its using method.

[0008] To solve the above problems, the present invention adopts the following technical solutions: An energy-saving evaporator connecting pipe assembly includes a conduit body and rotatable joints installed at both ends of the conduit body. A long spring is sleeved on the conduit body, and both ends of the long spring abut against the rotatable joints.

[0009] Preferably, the rotatable joint includes a joint, a rotary pipe, and a compression cap. The rotary pipe is rotatably matched with the joint. The compression cap connects the joint and presses the rotary pipe, and the rotary pipe connects the conduit body.

[0010] Preferably, a connecting plate is machined on the outer wall of the joint. Connecting holes are drilled in the plate surface of the connecting plate, and a sealing gasket is embedded in the plate surface of the connecting plate. The front end of the joint is machined with a connecting portion, and an annular groove is machined on the outer wall of the connecting portion. A through hole penetrates radially through the bottom of the annular groove, and the through hole communicates with the joint. The rotary pipe is sleeved on the connecting portion. A bolt portion is machined at the front end of the connecting portion, and the compression cap is threadedly connected to the bolt portion. After the compression cap is screwed along the bolt portion, the rotary pipe is fixed.

[0011] Preferably, on the outer wall of the connecting portion, clamping grooves are machined at both ends of the annular groove, and a sealing ring is clamped in the clamping grooves. After the sealing ring is in interference fit with the inner wall of the rotary pipe, a seal is formed.

[0012] Preferably, an inner annular groove is machined on the outer wall of the rotary pipe, the inner annular groove corresponds to the annular groove, and the positions where the sealing ring contacts the rotary pipe are at both ends of the inner annular groove.

[0013] Preferably, a metal filter screen is sleeved on the connecting portion, the metal filter screen is located between the two sealing rings at both ends, the inner annular groove corresponds to the metal filter screen, and the annular groove is located inside the metal filter screen.

[0014] Preferably, a first sealing gasket is fitted between the rotary pipe and the compression cap.

[0015] Preferably, a connecting pipe is machined on the outer wall of the rotary pipe. The end of the connecting pipe is machined with a tapered guiding end. A threaded portion is machined on the pipe body of the connecting pipe. A necking groove is machined on the pipe body of the connecting pipe between the guiding end and the threaded portion. Limiting rings are machined at both ends of the catheter body. The catheter body is sleeved on the connecting pipe, and the limiting rings abut against the threaded portion. A nut is sleeved on the catheter body, and the nut is threadedly connected to the threaded portion. After threaded connection, the nut clamps the limiting rings. Convex ring portions are injection-molded near both ends inside the catheter body, and the convex ring portions are snapped into the necking groove. Both ends of the long spring abut against the nut.

[0016] A usage method of an energy-saving evaporator connecting pipe assembly includes the following steps: First step, connect one of the rotatable joints to the evaporator and connect the other rotatable joint to the compressor; Second step, sleeve the long spring on the catheter body; Third step, respectively connect and fix both ends of the catheter body to the rotatable joints at both ends.

[0017] The beneficial effects of the present invention are: This product adopts rotatable joints. The rotatable joints at both ends are used to connect the evaporator and the compressor, and both adopt threaded connections. The threaded connection is tight, which can avoid the leakage of refrigerant. Through the rotatable characteristics, it can be adjusted adaptively according to the installation position, avoiding the torsion of the pipeline body and the technical problem of poor refrigerant flow caused by the torsion of the pipeline body. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0019] Figure 1 It is a schematic structural diagram of the present invention; Figure 2 It is an exploded view of the structure of the present invention; Figure 3 It is a structural diagram of the connecting plate; Figure 4 It is an exploded view of the structure of the rotatable joint; Figure 5 It is a half-sectional view of the rotatable joint; Figure 6 It is Figure 2 A partial sectional view at A. Detailed Embodiment

[0020] All features disclosed in this specification, or all steps in the disclosed methods or processes, except for mutually exclusive features and / or steps, can be combined in any way.

[0021] Any feature disclosed in this specification (including any additional claims, abstract, and drawings), unless specifically stated, can be replaced by other equivalent or similar-purpose alternative features. That is, unless specifically stated, each feature is only an example of a series of equivalent or similar features.

[0022] In the description of the present invention, it should be understood that the orientation or positional relationships indicated by the terms "one end", "the other end", "outer side", "upper", "inner side", "horizontal", "coaxial", "central", "end portion", "length", "outer end", etc. are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0023] In addition, in the description of the present invention, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0024] In the present invention, unless otherwise clearly specified and defined, terms such as "arranged", "socketed", "connected", "penetrated", "plugged in" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Refer to Figure 1 As shown in the figure, an energy-saving evaporator connecting pipe assembly includes a conduit body 1 and rotatable joints 2 installed at both ends of the conduit body 1. A long spring 3 is sleeved on the conduit body 1, and both ends of the long spring 3 abut against the rotatable joints 2.

[0026] In the above technical solution, the rotatable joint 2 can be tightly threadedly connected to the compressor or the evaporator. According to the positions of the two rotatable joints 2, an adaptive angular rotation can be performed. When connected through the conduit body 1, the torsion of the conduit body 1 can be avoided.

[0027] The setting of the long spring 3 can play an anti-loosening effect. Secondly, it can protect the outside of the conduit body 1 to prevent frictional damage to the conduit body 1 caused by other structural components in the engine compartment.

[0028] Refer to Figure 2 As shown in the figure, the rotatable joint 2 includes a joint 21, a rotary tube 22, and a compression cap 23. The rotary tube 22 is rotatably matched with the joint 21. The compression cap 23 connects the joint 21 and presses the rotary tube 22 tightly. The rotary tube 22 is connected to the conduit body 1.

[0029] In the above technical solution, the rotary tube 22 can rotate 360° along the joint 21. The joint 21 is fixedly connected to the evaporator or the compressor by threading. Then, the rotary tube 22 is adjusted adaptively to avoid the torsion of the conduit body 1, and then the compression cap 23 is locked to prevent leakage.

[0030] Refer to Figure 3 and Figure 4As shown, a connecting plate 210 is machined on the outer wall of the joint 21. Connecting holes 211 are drilled on the surface of the connecting plate 210. A sealing gasket 212 is embedded in the surface of the connecting plate 210. The front end of the joint 21 is machined with a connecting portion 213. An annular groove 214 is machined on the outer wall of the connecting portion 213. A through hole 215 radially penetrates through the bottom of the annular groove 214. The through hole 215 communicates with the joint 21. The rotary pipe 22 is sleeved on the connecting portion 213. A bolt portion 216 is machined at the front end of the connecting portion 213. The compression cap 23 is threadedly connected to the bolt portion 216. After the compression cap 23 is screwed along the bolt portion 216, the rotary pipe 22 is fixed.

[0031] The connecting plate 210 is used to connect the evaporator or the compressor.

[0032] Through the design of the annular groove 214 and the through hole 215, the refrigerant can flow quickly and be more evenly distributed.

[0033] Refer to Figure 4 As shown, on the outer wall of the connecting portion 213, clamping grooves 221 are machined at both ends of the annular groove 214. A sealing ring 222 is clamped in the clamping grooves 221. After the sealing ring 222 is in interference fit with the inner wall of the rotary pipe 22, a seal is formed.

[0034] The design of the sealing ring 222 can increase the sealing performance when the connecting portion 213 and the rotary pipe 22 are matched.

[0035] Refer to Figure 4 and Figure 5 As shown, an inner annular groove 223 is machined on the outer wall of the rotary pipe 22. The inner annular groove 223 corresponds to the annular groove 214. The positions where the sealing ring 222 contacts the rotary pipe 22 are at both ends of the inner annular groove 223.

[0036] The design of the rotary groove 223 can allow the refrigerant to flow faster and increase the flow space.

[0037] Refer to Figure 4 and Figure 5 As shown, a metal filter screen 224 is sleeved on the connecting portion 213. The metal filter screen 224 is located between the sealing rings 222 at both ends. The inner annular groove 223 corresponds to the metal filter screen 224. The annular groove 214 is located inside the metal filter screen 224.

[0038] The design of the metal filter screen 224 is mainly for the uniform penetration of the refrigerant, and secondly for intercepting possible particulate matters in the refrigerant, such as powder substances falling off inside the evaporator or the compressor.

[0039] Refer to Figure 4and Figure 5 As shown, a first sealing gasket 232 is fitted between the rotary tube 22 and the compression cap 23.

[0040] The first sealing sheet 232 can further enhance the sealing performance.

[0041] Refer to Figure 2 and Figure 6 As shown, a connecting pipe 2221 is machined on the outer wall of the rotary tube 22. A tapered guiding end 2222 is machined at the end of the connecting pipe 2221. A threaded portion 2223 is machined on the pipe body of the connecting pipe 2221. A necking groove 2224 is machined on the pipe body of the connecting pipe 2221 between the guiding end 2222 and the threaded portion 2223. Limiting rings 121 are machined at both ends of the conduit body 1. The conduit body 1 is sleeved on the connecting pipe 2221. The limiting ring 121 abuts against the threaded portion 2223. A nut 2225 is sleeved on the conduit body 1. The nut 2225 is threadedly connected to the threaded portion 2223. After the threaded connection, the nut 2225 clamps the limiting ring 121. Convex ring portions 131 are formed by injection molding near both ends inside the conduit body 1. The convex ring portions 131 are snapped into the necking groove 2224. Both ends of the long spring 3 abut against the nut 2224.

[0042] The above technical solution realizes the quick disassembly and assembly of the conduit body 1. A seal is formed between the conduit body 1 and the connecting pipe 2221 through the cooperation of the convex ring portion 131 and the necking groove 2224, and a secondary seal is completed by tightening the nut 2224.

[0043] Refer to Figure 1 As shown, a method of using an energy-saving evaporator connecting pipe assembly includes the following steps: First step, connect one of the rotatable joints 2 to the evaporator and the other rotatable joint 2 to the compressor; Second step, sleeve the long spring 3 on the conduit body 1; Third step, fixedly connect both ends of the conduit body 1 to the rotatable joints 2 at both ends respectively.

[0044] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving evaporator connecting pipe assembly, characterized in that: It includes a catheter body (1) and rotatable joints (2) installed at both ends of the catheter body (1). A long spring (3) is sleeved on the catheter body (1), and both ends of the long spring (3) abut against the rotatable joints (2).

2. The energy-saving evaporator connecting pipe assembly according to claim 1, wherein: The rotatable joint (2) includes a joint (21), a rotary tube (22), and a compression cap (23). The rotary tube (22) is rotatably engaged with the joint (21). The compression cap (23) connects the joint (21) and presses the rotary tube (22). The rotary tube (22) connects the catheter body (1).

3. The energy-saving evaporator connecting pipe assembly according to claim 2, wherein: A connecting plate (210) is machined on the outer wall of the joint (21). Connecting holes (211) are drilled on the plate surface of the connecting plate (210). A sealing gasket (212) is embedded on the plate surface of the connecting plate (210). A connecting portion (213) is machined at the front end of the joint (21). An annular groove (214) is machined on the outer wall of the connecting portion (213). A through hole (215) radially penetrates through the bottom of the annular groove (214). The through hole (215) communicates with the joint (21). The rotary tube (22) is sleeved on the connecting portion (213). A bolt portion (216) is machined at the front end of the connecting portion (213). The compression cap (23) is threadedly connected to the bolt portion (216). After the compression cap (23) is screwed along the bolt portion (216), the rotary tube (22) is fixed.

4. The energy-saving evaporator connecting pipe assembly according to claim 3, wherein: At both ends of the annular groove (214) on the outer wall of the connecting portion (213), clamping grooves (221) are machined. A sealing ring (222) is clamped in the clamping grooves (221). After the sealing ring (222) is in interference fit with the inner wall of the rotary tube (22), a seal is formed.

5. The energy-saving evaporator connecting pipe assembly according to claim 4, characterized in that: An inner annular groove (223) is machined on the outer wall of the rotary tube (22). The inner annular groove (223) corresponds to the annular groove (214). The positions where the sealing ring (222) contacts the rotary tube (22) are at both ends of the inner annular groove (223).

6. The energy-saving evaporator connecting pipe assembly according to claim 5, wherein: A metal filter screen (224) is sleeved on the connecting portion (213). The metal filter screen (224) is located between the sealing rings (222) at both ends. The inner annular groove (223) corresponds to the metal filter screen (224). The annular groove (214) is located inside the metal filter screen (224).

7. The energy-saving evaporator connecting pipe assembly according to claim 3, wherein: A first sealing gasket (232) is fitted between the rotary tube (22) and the compression cap (23).

8. The energy-saving evaporator connecting pipe assembly according to claim 3, characterized in that: A connecting pipe (2221) is machined on the outer wall of the rotary pipe (22). A tapered guiding end (2222) is machined at the end of the connecting pipe (2221). A threaded portion (2223) is machined on the pipe body of the connecting pipe (2221). A necking groove (2224) is machined on the pipe body of the connecting pipe (2221) between the guiding end (2222) and the threaded portion (2223). Limiting rings (121) are machined at both ends of the conduit body (1). The conduit body (1) is sleeved on the connecting pipe (2221). The limiting ring (121) abuts against the threaded portion (2223). A nut (2225) is sleeved on the conduit body (1). The nut (2225) is threadedly connected to the threaded portion (2223). After the threaded connection, the nut (2225) clamps the limiting ring (121). Convex ring portions (131) are formed by injection molding near both ends inside the conduit body (1). The convex ring portions (131) are snapped into the necking grooves (2224). Both ends of the long spring (3) abut against the nut (2224).

9. A method for using an energy-saving evaporator connecting pipe assembly according to any one of claims 1 to 8, characterized in that: It includes the following steps: In the first step, connect one of the rotatable joints (2) to the evaporator and connect the other rotatable joint (2) to the compressor; In the second step, sleeved the long spring (3) on the conduit body (1); In the third step, respectively connect and fix both ends of the conduit body (1) to the rotatable joints (2) at both ends.

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