Unit type air conditioner energy-saving heat exchange device

By designing limiting and positioning components, the problem of reduced sealing performance caused by vibration and loosening of the air inlet and outlet pipes of unit air conditioners is solved, achieving connection stability and airflow stability, and improving heat exchange efficiency and ease of installation.

CN223896192UActive Publication Date: 2026-02-10JIANGSU TAIENTE ENVIRONMENTAL TECH CO LTD
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Patent Information

Application Number
CN202520450772.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-14
Publication Date
2026-02-10
Estimated Expiration
2035-03-14

AI Technical Summary

Technical Problem

The connection between the air inlet and outlet pipes of existing unit air conditioners may become loose due to vibration, temperature changes or external pressure factors, resulting in a decrease in sealing performance, affecting heat exchange efficiency and causing air leakage, which in turn reduces the operating effect of the heat exchange device.

Method used

By employing limit and positioning components, and through the design of limit holes, return springs, and positioning pins, it ensures that the bolts will not loosen due to vibration or external force after tightening, thereby enhancing the connection stability of the intake and exhaust pipes, and preventing air leakage through sealing gaskets.

Benefits of technology

It improves the connection stability between the air inlet and outlet pipes and the heat exchange box, prevents air leakage, ensures airflow stability and overall performance, simplifies the installation process, and improves heat exchange efficiency.

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Abstract

The utility model discloses a unit type air-conditioning energy-saving heat exchange device, which relates to the technical field of air-conditioning equipment and comprises a heat exchange box, a heat exchanger is mounted in the heat exchange box, through holes are symmetrically formed in two sides of the heat exchange box, and an air inlet pipe and an exhaust pipe are symmetrically and movably connected to two sides of the heat exchange box respectively. Mounting plates are fixedly connected to the outer sides of the air inlet pipe and the exhaust pipe, the air inlet pipe and the exhaust pipe are inserted into the through holes, assembling blocks are symmetrically and fixedly connected to the two sides of the heat exchange box, limiting assemblies are installed in the assembling blocks, positioning blocks are symmetrically and fixedly connected to one ends of the mounting plates, and positioning assemblies are installed at the two ends of each positioning block. By the adoption of the structure, it can be guaranteed that the bolts cannot be loosened due to vibration or external force after being screwed down, and therefore the connection stability between the air inlet pipe and the heat exchange box and between the exhaust pipe and the heat exchange box is enhanced, air leakage can be prevented, it is guaranteed that airflow in the heat exchange box is stable, and the overall performance is improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to air conditioning equipment technical field, especially relate to a unit type air conditioner energy -conserving heat exchange device. BACKGROUND

[0002] Unit type air conditioner, also known as unit type air conditioner, is a kind of equipment that provides treated air directly to enclosed room, space or area. It integrates refrigeration, heating, ventilation, air circulation and purification functions, and is widely used in residential, commercial and industrial environments. Energy -conserving heat exchange device, mainly embodied as total heat exchanger in unit type air conditioner, is a device for recovering heat carried away by air conditioning system exhaust air and heating or cooling fresh air. It can simultaneously perform sensible heat exchange and latent heat exchange, thereby significantly reducing the energy consumption of treating fresh air.

[0003] The utility model discloses a kind of high-rise building double water system distribution type air conditioner heat exchange devices of Announcement No. "CN221237976U", including heat exchanger, base, two fixed blocks and two connecting rods, the base is located at the bottom of heat exchanger, two fixed blocks are located at the front side and rear side of bottom top respectively, the top of two connecting rods is fixedly connected with the bottom of heat exchanger, the opposite side of two connecting rods is in contact with the surface of two fixed blocks, the inner chamber of fixed block is equipped with placing groove;The inner chamber of the placing groove is provided with the positioning mechanism used in cooperation with heat exchanger. It solves the problem that multiple threaded assemblies and connecting auxiliary parts are needed to be fixed with the base during the installation of heat exchanger, so that the heat exchanger assembly needs to spend more time to tighten and fix multiple threaded assemblies, thereby not convenient for user to quickly assemble and use heat exchanger and base.

[0004] Although the above-mentioned utility model solves the problem that multiple threaded assemblies and connecting auxiliary parts are needed to be fixed with the base during the installation of heat exchanger, so that the heat exchanger assembly needs to spend more time to tighten and fix multiple threaded assemblies, thereby not convenient for user to quickly assemble and use heat exchanger and base, but the bolts on the air inlet pipe and the air outlet pipe can be loosened due to vibration, temperature change or external pressure, etc. Factors cause the connection between the air inlet pipe and the air outlet pipe to become unstable, and further cause displacement or misalignment, directly affecting the sealing performance between the air inlet pipe and the air outlet pipe of the heat exchange device, causing air leakage, thereby reducing the heat exchange efficiency, and even affecting the operation effect of the whole air conditioning system. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the utility model discloses a unit type air conditioner energy-saving heat exchange device to solve the problem that the bolts on the air inlet pipe and the air outlet pipe can be loose due to vibration, temperature change or external pressure and other factors, causing the connection between the air inlet pipe and the air outlet pipe to become unstable, and further causing displacement or misplacement, directly affecting the sealing performance between the air inlet pipe and the air outlet pipe of the heat exchange device, causing air leakage, thereby reducing the heat exchange efficiency.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A unit type air conditioner energy-saving heat exchange device, comprising a heat exchange box, a heat exchanger is installed inside the heat exchange box, through holes are symmetrically formed on both sides of the heat exchange box, an air inlet pipe and an air outlet pipe are symmetrically movably connected to both sides of the heat exchange box, mounting plates are fixedly connected to the outer sides of the air inlet pipe and the air outlet pipe, the air inlet pipe and the air outlet pipe are inserted into the through holes, screw holes are symmetrically formed on both sides of the mounting plates and the heat exchange box, fixed bolts are screw-connected in the screw holes, assembly blocks are symmetrically fixedly connected to both sides of the heat exchange box, a limiting assembly is installed inside the assembly block, positioning blocks are symmetrically fixedly connected to one end of the mounting plates, and positioning assemblies are installed at both ends of the positioning blocks.

[0008] The limiting assembly comprises a cavity, a second reset spring, a moving block, a limiting column, a sliding block and a push block, the cavity is formed in the assembly block, the second reset spring is fixedly connected to one side inside the cavity, the other end of the second reset spring is fixedly connected to the moving block, the moving block is slidingly connected to the inside of the cavity, the moving block is fixedly connected to the limiting column at the end away from the second reset spring, the other end of the limiting column extends out of the assembly block, the moving block is fixedly connected to the sliding block at one side, the other end of the sliding block extends out of the assembly block and is fixedly connected to the push block, limiting holes are symmetrically formed in the outer wall of the screw cap of the fixed bolt through an annular circumferential array, the limiting column is inserted into the limiting hole, a sliding groove is formed at one end of the assembly block, the sliding groove is connected to the inside of the cavity, and the sliding groove is slidingly connected to the sliding block.

[0009] As a preferred technical scheme, the positioning assembly comprises built-in holes, a first reset spring and a positioning column, the positioning block is provided with built-in holes on both sides, the first reset spring is fixedly connected to the bottom of the built-in hole, the other end of the first reset spring is fixedly connected with the positioning column, the positioning column is in sliding connection with the inside of the built-in hole, the end of the positioning column away from the first reset spring extends out of the positioning block and is provided in an arc shape, the heat exchange box is symmetrically provided with positioning grooves on both sides, the positioning grooves are in insertion with the positioning block, the inside of the positioning groove is provided with positioning holes on both sides, and the positioning column is in clamping connection with the positioning hole, so that the air inlet pipe and the air outlet pipe can be accurately aligned during installation, problems such as loose connection or poor air flow caused by installation deviation are avoided, the guiding and limiting functions are improved, and the pipeline is more convenient and fast during installation.

[0010] As a preferred technical scheme, the positioning assembly comprises built-in holes, a first reset spring and a positioning column, the positioning block is provided with built-in holes on both sides, the first reset spring is fixedly connected to the bottom of the built-in hole, the other end of the first reset spring is fixedly connected with the positioning column, the positioning column is in sliding connection with the inside of the built-in hole, the end of the positioning column away from the first reset spring extends out of the positioning block and is provided in an arc shape, the heat exchange box is symmetrically provided with positioning grooves on both sides, the positioning grooves are in insertion with the positioning block, the inside of the positioning groove is provided with positioning holes on both sides, and the positioning column is in clamping connection with the positioning hole, so that the air inlet pipe and the air outlet pipe can be accurately aligned during installation, problems such as loose connection or poor air flow caused by installation deviation are avoided, the guiding and limiting functions are improved, and the pipeline is more convenient and fast during installation.

[0011] In summary, the utility model mainly has the following beneficial effects:

[0012] Firstly, in the utility model, the heat exchange box on one side of the air outlet pipe or the air inlet pipe is combined, the mounting plate is attached to the heat exchange box, the push block is pushed, the moving block drives the limiting column to move, the moving block is pressed to the second reset spring, the limiting column is retracted into the cavity, the fixed bolt is screwed, the fixed bolt is screwed with the threaded hole, the push block is loosened, the second reset spring is reset, the moving block drives the limiting column to pop up and is inserted into the limiting hole, the bolt is not loosened after being tightened due to vibration or external force, the connection stability between the air inlet pipe and the air outlet pipe and the heat exchange box is enhanced, air leakage is prevented, the air flow in the heat exchange box is stable, and the overall performance is improved.

[0013] Secondly, in the utility model, the heat exchange box on one side of the air outlet pipe or the air inlet pipe is combined, the air outlet pipe or the air inlet pipe is inserted into the through hole, the mounting plate is attached to the heat exchange box, the positioning block is inserted into the positioning groove, the extrusion force is applied to the arc-shaped end of the positioning column during the insertion process, the positioning column is pressed to the first reset spring, the positioning column is retracted into the built-in hole, the first reset spring is reset when the positioning column moves to the positioning hole, the positioning column is clamped with the positioning hole, the air inlet pipe and the air outlet pipe can be accurately aligned during installation, problems such as loose connection or poor air flow caused by installation deviation are avoided, the guiding and limiting functions are improved, and the pipeline is more convenient and fast during installation. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0015] Figure 2 is a sectional view of the three-dimensional structure of the utility model;

[0016] Figure 3 is a three-dimensional structure schematic diagram of the gas inlet pipe of the utility model;

[0017] Figure 4 is a sectional view of the three-dimensional structure of the utility model's limiting assembly;

[0018] Figure 5 is a sectional view of the three-dimensional structure of the utility model's positioning assembly.

[0019] Reference signs: 1, heat exchange box; 2, gas inlet pipe; 3, exhaust pipe; 4, mounting plate; 5, threaded hole; 6, fixing bolt; 7, heat exchanger; 8, through hole; 9, positioning block; 10, positioning groove; 11, positioning assembly; 111, built-in hole; 112, first return spring; 113, positioning column; 12, positioning hole; 13, assembly block; 14, limiting assembly; 141, cavity; 142, second return spring; 143, moving block; 144, limiting column; 145, sliding block; 146, push block; 16, limiting hole; 17, sliding groove; 18, sealing washer. DETAILED DESCRIPTION

[0020] Embodiment

[0021] Reference Figures 1 to 5 The unit type air conditioner energy-saving heat exchange device described in the embodiment includes a heat exchange box 1, a heat exchanger 7 is installed inside the heat exchange box 1, through holes 8 are symmetrically provided on both sides of the heat exchange box 1, gas inlet pipes 2 and exhaust pipes 3 are symmetrically movably connected to both sides of the heat exchange box 1, mounting plates 4 are fixedly connected to the outer sides of the gas inlet pipes 2 and the exhaust pipes 3, the gas inlet pipes 2 and the exhaust pipes 3 are inserted into the through holes 8, threaded holes 5 are symmetrically provided on both sides of the heat exchange box 1 and the mounting plates 4, fixing bolts 6 are screw-connected in the threaded holes 5, assembly blocks 13 are symmetrically fixedly connected to both sides of the heat exchange box 1, limiting assemblies 14 are installed in the assembly blocks 13, positioning blocks 9 are symmetrically fixedly connected to one end of the mounting plates 4, and positioning assemblies 11 are installed at both ends of the positioning blocks 9.

[0022] The limiting assembly 14 comprises a cavity 141, a second reset spring 142, a moving block 143, a limiting column 144, a sliding block 145 and a push block 146. The cavity 141 is arranged in the assembling block 13, the second reset spring 142 is fixedly connected to one side of the cavity 141, the moving block 143 is fixedly connected to the other end of the second reset spring 142, the moving block 143 is in sliding connection with the cavity 141, the limiting column 144 is fixedly connected to one end of the moving block 143 away from the second reset spring 142, the other end of the limiting column 144 extends out of the assembling block 13, the sliding block 145 is fixedly connected to one side of the moving block 143, the other end of the sliding block 145 extends out of the assembling block 13 and is fixedly connected to the push block 146, a limiting hole 16 is symmetrically arranged on the outer wall of the screw cap of the fixing bolt 6 through an annular circumferential array, the limiting column 144 is inserted into the limiting hole 16, a sliding groove 17 is arranged at one end of the assembling block 13, the sliding groove 17 is connected to the cavity 141, and the sliding groove 17 is in sliding connection with the sliding block 145. The exhaust pipe 3 or the intake pipe 2 is combined on one side of the heat exchange box 1, the mounting plate 4 is attached to the heat exchange box 1, then the push block 146 is pushed, the moving block 143 drives the limiting column 144 to move, the moving block 143 is pressed towards the second reset spring 142, and the limiting column 144 is retracted into the cavity 141. Then the fixing bolt 6 is rotated to be in threaded connection with the threaded hole 5, and finally the push block 146 is loosened, the second reset spring 142 is reset, and the moving block 143 drives the limiting column 144 to pop out and be inserted into the limiting hole 16.

[0023] Reference Figure 5 The positioning assembly 11 comprises an embedded hole 111, a first reset spring 112 and a positioning column 113. The embedded hole 111 is arranged on both sides of the positioning block 9, the first reset spring 112 is fixedly connected to the bottom of the embedded hole 111, the positioning column 113 is fixedly connected to the other end of the first reset spring 112, the positioning column 113 is in sliding connection with the embedded hole 111, and the positioning column 113 extends out of the positioning block 9 and is in arc shape at the end away from the first reset spring 112. The heat exchange box 1 is symmetrically provided with a positioning groove 10 on both sides, the positioning groove 10 is inserted into the positioning block 9, the positioning groove 10 is internally provided with a positioning hole 12 on both sides, and the positioning column 113 is clamped into the positioning hole 12. The exhaust pipe 3 or the intake pipe 2 is combined on one side of the heat exchange box 1, the exhaust pipe 3 or the intake pipe 2 is inserted into the through hole 8, the mounting plate 4 is attached to the heat exchange box 1, and the positioning block 9 is inserted into the positioning groove 10. In the insertion process, the extrusion force is applied to the arc-shaped end of the positioning column 113 to press the positioning column 113 towards the first reset spring 112, the positioning column 113 is retracted into the embedded hole 111, the first reset spring 112 is reset when the positioning column 113 moves to the positioning hole 12, and the positioning column 113 is clamped into the positioning hole 12.

[0024] Reference Figure 3The sealing gasket 18 is arranged outside the air inlet pipe 2 and the air outlet pipe 3, and the other side of the sealing gasket 18 is attached to the heat exchange box 1. The sealing gasket 18 is tightly attached to the connecting surface of the air inlet pipe 2 and the air outlet pipe 3, effectively prevents air leakage, and ensures the stability and efficiency of the air flow.

[0025] Principle and advantages: first, the exhaust pipe 3 or air inlet pipe 2 heat exchange box 1 side is combined, the exhaust pipe 3 or air inlet pipe 2 is inserted into the through hole 8 inside, the mounting plate 4 is attached to the heat exchange box 1, and the positioning block 9 is inserted into the positioning groove 10. During the insertion process, the extrusion force presses the arc-shaped end of the positioning column 113, so that the positioning column 113 is pressed towards the first reset spring 112, and the positioning column 113 is retracted into the built-in hole 111. When the positioning column 113 moves to the positioning hole 12, the first reset spring 112 is reset, the positioning column 113 is popped out and connected with the positioning hole 12, then the push block 146 is pushed, the moving block 143 drives the limiting column 144 to move, the moving block 143 is pressed towards the second reset spring 142, and the limiting column 144 is retracted into the cavity 141. Then rotate the fixing bolt 6, and the fixing bolt 6 is screwed with the threaded hole 5. Finally, the push block 146 is loosened, the second reset spring 142 is reset, the moving block 143 drives the limiting column 144 to pop out and connect with the limiting hole 16;

[0026] The utility model can ensure that the bolt will not be loosened due to vibration or external force after being tightened, thereby enhancing the connection stability between the air inlet pipe 2 and the air outlet pipe 3 and the heat exchange box 1, preventing air leakage, ensuring the stability of the air flow in the heat exchange box 1, and improving the overall performance.

Claims

1. A unit-type air conditioning energy-saving heat exchange device, comprising a heat exchange box (1), characterized in that: The heat exchange box (1) is equipped with a heat exchanger (7). The heat exchange box (1) has through holes (8) symmetrically opened on both sides. The heat exchange box (1) is symmetrically connected to an air inlet pipe (2) and an exhaust pipe (3) on both sides. The air inlet pipe (2) and the exhaust pipe (3) are fixedly connected to the outside of the air inlet pipe (2) and the exhaust pipe (3). The air inlet pipe (2) and the exhaust pipe (3) are inserted into the through holes (8). The mounting plate (4) and the heat exchange box (1) are symmetrically provided with threaded holes (5) on both sides. The threaded holes (5) are threaded with fixing bolts (6). The heat exchange box (1) is symmetrically fixedly connected to both sides. The mounting block (13) is equipped with a limit component (14). The mounting plate (4) is symmetrically fixedly connected to a positioning block (9) at one end. The positioning block (9) is equipped with positioning components (11) at both ends. The limiting component (14) includes a cavity (141), a second reset spring (142), a moving block (143), a limiting post (144), a slider (145), and a push block (146). The assembly block (13) has a cavity (141) inside. The second reset spring (142) is fixedly connected to one side of the cavity (141), and the moving block (143) is fixedly connected to the other end of the second reset spring (142). The moving block (143) is slidably connected to the cavity (141). The limiting post (144) is fixedly connected to one end of the moving block (143) away from the second reset spring (142). The other end of the limiting post (144) extends out of the assembly block (13). The slider (145) is fixedly connected to one side of the moving block (143), and the other end of the slider (145) extends out of the assembly block (13) and is fixedly connected to the push block (146).

2. The unit-type air conditioning energy-saving heat exchange device according to claim 1, characterized in that: The outer wall of the fixing bolt (6) is symmetrically provided with limiting holes (16) in an annular circumferential array, and the limiting post (144) and the limiting hole (16) are inserted into each other.

3. The unit-type air conditioning energy-saving heat exchange device according to claim 1, characterized in that: The assembly block (13) has a groove (17) at one end, the groove (17) is connected to the inside of the cavity (141), and the groove (17) and the slider (145) are slidably connected.

4. The unit-type air conditioning energy-saving heat exchange device according to claim 1, characterized in that: The positioning component (11) includes an internal hole (111), a first reset spring (112), and a positioning post (113). The positioning block (9) has internal holes (111) on both sides. The bottom of the internal hole (111) is fixedly connected to the first reset spring (112), and the other end of the first reset spring (112) is fixedly connected to the positioning post (113). The positioning post (113) is slidably connected to the internal hole (111). The end of the positioning post (113) away from the first reset spring (112) extends out of the positioning block (9) and is arc-shaped.

5. The unit-type air conditioning energy-saving heat exchange device according to claim 4, characterized in that: The heat exchange box (1) has symmetrically arranged positioning grooves (10) on both sides. The positioning grooves (10) and positioning blocks (9) are inserted into each other. Positioning holes (12) are arranged on both sides inside the positioning grooves (10). The positioning pins (113) and positioning holes (12) are snapped together.

6. The unit-type air conditioning energy-saving heat exchange device according to claim 1, characterized in that: Both the intake pipe (2) and the exhaust pipe (3) are fixedly fitted with sealing gaskets (18), and the other side of the sealing gaskets (18) is in contact with the heat exchange box (1).

Citation Information

Patent Citations

  • High-rise building double-water-system distributed air conditioner heat exchange device

    CN221237976U