Aluminum flat pipe sealing connecting sleeve

Abstract

The utility model relates to the technical field of aluminum flat pipes, in particular to an aluminum flat pipe sealing connecting sleeve which comprises a hollow pipe, a middle plate is fixedly installed on the inner side of the hollow pipe, a plurality of inserting pipes are installed in the middle plate in a penetrating mode, and two flat pipes are connected to the inner side of the hollow pipe in an inserting mode respectively. Two first clamping holes are formed in the flat pipe in a penetrating mode, two second clamping holes are formed in the top and the bottom, close to the middle position, of the inserting pipe in a penetrating mode correspondingly, and the two second clamping holes are located in the two sides of the middle plate correspondingly. According to the utility model, the clamping blocks which are elastically arranged and the clamping holes I which are formed in the flat pipes are adopted, so that when the two flat pipes are butted, the two flat pipes can be butted and fixed only by respectively inserting one ends of the two flat pipes into the gaps between the hollow pipes and the inserting pipes, and the butting of the flat pipes is simple and quick; and by pressing the two sleeves, the two flat pipes can be pulled out of the hollow pipe to complete disassembly, so that the flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aluminium flat pipe technical field, specifically is a kind of aluminium flat pipe sealing connection sleeve. BACKGROUND

[0002] Aluminium flat pipe is a kind of aluminium pipe of flat shape, compared with traditional pipe shape, it can increase the surface area of contact with fluid, to improve heat exchange efficiency, widely used in air conditioner, cooling system, heat exchanger etc.

[0003] The Chinese patent with publication number CN218624923U discloses an aluminium flat pipe, comprising a flat plate body, the flat plate body is provided with a mounting mechanism on the left and right sides, which is simple to operate and convenient for workers to use. The positioning slide plate is attached to the inner side of the sleeve frame, which limits the limiting piece, so that the plug-in plate cannot displace itself after installation, increasing the stability of the left and right flat plate bodies after assembly.

[0004] The above-mentioned and similar prior art, when the aluminium flat pipes are connected outdoors, the connection is usually achieved by welding. However, welding at the aluminium flat pipe installation site is extremely inconvenient, and even in some cases where the installation space is narrow, welding cannot be performed. Moreover, the connection method is not flexible after welding.

[0005] Therefore, the utility model provides a flat pipe sealing connection sleeve that can conveniently seal and connect two aluminium flat pipes and is easy to disassemble. UTILITY MODEL CONTENTS

[0006] In view of the problem of the welding connection method in the prior art, an aluminium flat pipe sealing connection sleeve is designed.

[0007] The utility model solves the technical problems by adopting the following technical scheme: an aluminium flat pipe sealing connection sleeve, comprising a hollow pipe, an intermediate plate is fixedly installed on the inner side of the hollow pipe, a plurality of plug-in pipes are installed through the inside of the intermediate plate, two flat pipes are respectively plugged into the inner side of the hollow pipe, two clamping holes one are formed through the inside of the flat pipe, two clamping holes two are respectively formed through the top and bottom of the plug-in pipe near the intermediate position, and the two clamping holes two are respectively located on the two sides of the intermediate plate, a supporting plate is fixedly installed on the inner side of the plug-in pipe near the intermediate position, two clamping blocks are respectively elastically arranged on the top and bottom of the supporting plate, and the clamping blocks are respectively located on the inner side of the clamping hole one and the clamping hole two.

[0008] Further, the inside of the support plate is fixedly installed with a guide rod, the top and bottom of the support plate are fixedly installed with springs respectively, the end of the spring away from the support plate is fixedly installed with a connecting plate, and the side of the connecting plate away from the support plate is fixedly connected with two clamping blocks.

[0009] Further, the side of the connecting plate away from the support plate is fixedly installed with a sleeve, and the inside of the sleeve penetrates the inside of the hollow pipe.

[0010] Further, the inside of the support plate is fixedly installed with a guide rod, the top and bottom of the support plate are fixedly installed with springs respectively, the end of the spring away from the support plate is fixedly installed with a connecting plate, and the side of the connecting plate away from the support plate is fixedly connected with two clamping blocks.

[0011] Further, the side of the connecting plate away from the support plate is fixedly installed with a sleeve, and the inside of the sleeve penetrates the inside of the hollow pipe.

[0012] Further, the inside of the support plate is fixedly installed with a guide rod, the top and bottom of the support plate are fixedly installed with springs respectively, the end of the spring away from the support plate is fixedly installed with a connecting plate, and the side of the connecting plate away from the support plate is fixedly connected with two clamping blocks.

[0013] Further, the side of the connecting plate away from the support plate is fixedly installed with a sleeve, and the inside of the sleeve penetrates the inside of the hollow pipe.

[0014] The beneficial effects of the present utility model are as follows:

[0015] (1) The sealing connecting sleeve for aluminum flat tubes of the present utility model adopts the elastically arranged clamping blocks and the clamping holes one arranged in the flat tubes, so that when the two flat tubes are butt-jointed, only the ends of the two flat tubes need to be inserted into the gap between the hollow pipe and the plug-in pipe, and the butt joint of the two flat tubes can be completed, the butt joint of the flat tubes is simple and fast, when disassembling, the two sleeves are pressed, the two flat tubes are pulled out of the hollow pipe, and the flexibility is improved.

[0016] (2) The sealing connecting sleeve for aluminum flat tubes of the present utility model is designed with the frame and the extrusion frame, when the two flat tubes are butt-jointed, the extrusion frame is extruded towards the frame, the extrusion frame extrudes the rubber ring, the rubber ring is deformed under pressure and contacts the outside of the flat tube, and the sealing of the flat tube is realized, and the sealing performance of the butt joint is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The present utility model is further described below in combination with the drawings and examples.

[0018] Figure 1 It is a three-dimensional structure schematic view of the two flat tubes of the present utility model after butt joint.

[0019] Figure 2This is a cross-sectional three-dimensional structural diagram of the insertion tube of this utility model;

[0020] Figure 3 This is a cross-sectional three-dimensional structural diagram of the snap-fit ​​block of this utility model;

[0021] Figure 4 This is a three-dimensional structural diagram of the snap-fit ​​block of this utility model;

[0022] Figure 5 This is a three-dimensional structural diagram of the extrusion frame of this utility model.

[0023] In the diagram: 1. Hollow tube; 2. Intermediate plate; 3. Insertion tube; 4. Support plate; 5. Guide rod; 6. Spring; 7. Connecting plate; 8. Snap-fit ​​block; 9. Sleeve; 10. Frame; 11. Rubber ring; 12. Limiting groove; 13. Limiting rod; 14. Extrusion frame; 15. Elastic plate; 16. Snap-fit ​​block; 17. Push plate; 18. Flat tube; 19. Snap-fit ​​hole one; 20. Snap-fit ​​hole two. Detailed Implementation

[0024] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0025] Example: Figures 1-5 As shown, the aluminum flat tube sealing connection sleeve of this utility model includes a hollow tube 1, an intermediate plate 2 fixedly installed on the inner side of the hollow tube 1, a plurality of insertion tubes 3 through installed inside the intermediate plate 2, two flat tubes 18 respectively inserted into the inner side of the hollow tube 1, two snap-fit ​​holes 19 through opened inside the flat tubes 18, and two snap-fit ​​holes 20 through opened at the top and bottom of the insertion tubes 3 near the middle position, and the two snap-fit ​​holes 20 are respectively located on both sides of the intermediate plate 2.

[0026] Specifically, the hollow tube 1 provides stable support for the intermediate plate 2, the intermediate plate 2 provides through support for the insertion tube 3, and the intermediate plate 2 provides a limiting function for the docking of the two flat tubes 18, so that the flat tubes 18 can only be inserted into the position that contacts the intermediate plate 2 when docking. The insertion tube 3 provides guidance and limiting function for the flat tubes 18, the flat tubes 18 provide through opening space for the snap-fit ​​hole 20, and the snap-fit ​​hole 20 provides through space for the snap-fit ​​block 8.

[0027] In the embodiment, the inner side of the plug-in pipe 3 close to the middle position is fixedly installed with a support plate 4, the top and bottom of the support plate 4 are respectively elastically provided with two clamping blocks 8, and the clamping blocks 8 are respectively located on the inner side of the clamping hole one 19 and the clamping hole two 20, the inside of the support plate 4 is fixedly and penetratively installed with a guide rod 5, the top and bottom of the support plate 4 are respectively fixedly installed with springs 6, one end of the spring 6 away from the support plate 4 is fixedly installed with a connecting plate 7, one side of the connecting plate 7 away from the support plate 4 is fixedly connected with the two clamping blocks 8, one side of the connecting plate 7 away from the support plate 4 is fixedly installed with a sleeve 9, the sleeve 9 penetrates the inside of the hollow pipe 1, the guide rod 5 penetrates the inside of the connecting plate 7 and the sleeve 9, and the guide rod 5 is slidably connected with the connecting plate 7.

[0028] Specifically, the plug-in pipe 3 can provide stable support for the support plate 4, the support plate 4 can provide support for the guide rod 5 and the spring 6, the guide rod 5 can provide guidance for the sleeve 9 and the connecting plate 7, the spring 6 can provide reset for the connecting plate 7 and the clamping block 8, and the sleeve 9 can provide pressing support for the worker, so that the worker can control the clamping block 8 to move through the sleeve 9, the two flat tubes 18 first contact the inclined surface of the clamping block 8, so that the clamping block 8 moves to the direction of the support plate 4 under the extrusion of the flat tube 18, the clamping block 8 extrudes the spring 6 through the connecting plate 7, and the clamping block 8 moves along the inner side of the clamping hole two 20, when one end of the flat tube 18 contacts the middle plate 2, the clamping hole two 20 is aligned with the clamping hole one 19, at this time, the flat tube 18 no longer extrudes the clamping block 8, so that the spring 6 drives the clamping block 8 to move through the connecting plate 7 under the action of the elastic force of the spring 6, and the clamping block 8 enters the inner side of the clamping hole one 19 and the clamping hole two 20, so as to butt joint and fix the two flat tubes 18, and the two flat tubes 18 are communicated through the plug-in pipe 3.

[0029] In the embodiment, the two sides of the hollow pipe 1 are respectively fixedly installed with a frame 10, the inner side of the frame 10 is fixedly installed with a rubber ring 11, a plurality of limiting grooves 12 are formed in one side of the frame 10 away from the hollow pipe 1, a limiting rod 13 is slidably installed in the inner side of the limiting groove 12, an extrusion frame 14 is fixedly installed at one end of the limiting rod 13 away from the hollow pipe 1, two elastic plates 15 are fixedly installed on one side of the extrusion frame 14 close to the hollow pipe 1, the two elastic plates 15 are respectively located on the top and the bottom of the frame 10, a clamping block 16 is fixedly installed on one side of the elastic plate 15 close to the frame 10, the clamping block 16 is clamped on one side of the frame 10, and a push plate 17 is fixedly installed at one end of the elastic plate 15 away from the extrusion frame 14.

[0030] Specifically, the hollow tube 1 can provide stable support for the frame 10, the frame 10 can provide a placing space for the rubber ring 11, the frame 10 can provide limiting action for the limiting rod 13 through the limiting groove 12, thereby providing limiting action for the extrusion frame 14, the frame 10 utilizes the right angle of itself to provide clamping action for the clamping block 16, the extrusion frame 14 can provide stable support for the elastic plate 15, the elastic plate 15 can be bent and deformed under pressure and can restore to the initial state after losing pressure, the extrusion frame 14 drives the clamping block 16 to contact the frame 10 first through the elastic plate 15, the inclined surface of the clamping block 16 contacts the frame 10, the elastic plate 15 is bent away from the hollow tube 1 by the abutting action of the inclined surface, the extrusion frame 14 is continuously moved to deform the rubber ring 11, the rubber ring 11 is tightly attached to the surface of the flat tube 18 to seal, and meanwhile the extrusion frame 14 drives the clamping block 16 to move to the other side of the frame 10 through the elastic plate 15, so that the clamping block 16 is clamped with the frame 10 under the elastic force of the elastic plate 15.

[0031] Working principle: When the two flat tubes 18 are butt-jointed, the staff first inserts one end of the two flat tubes 18 into the inside of the hollow tube 1, so that the flat tube 18 moves along the gap between the insertion pipe 3 and the hollow tube 1, when the flat tube 18 moves along the outside of the insertion pipe 3, the flat tube 18 first contacts the inclined surface of the clamping block 8, so that the clamping block 8 moves to the direction of the support plate 4 under the extrusion of the flat tube 18, the clamping block 8 extrudes the spring 6 through the connecting plate 7, and the clamping block 8 moves along the inside of the clamping hole two 20, when one end of the flat tube 18 contacts the middle plate 2, the clamping hole two 20 is aligned with the clamping hole one 19, at this time the flat tube 18 no longer extrudes the clamping block 8, so that the spring 6 drives the clamping block 8 to move through the connecting plate 7 under the elastic force of the spring 6, so that the clamping block 8 enters the inside of the clamping hole one 19 and the clamping hole two 20, thereby butt-jointing and fixing the two flat tubes 18, and the two flat tubes 18 are communicated through the insertion pipe 3;

[0032] Then the staff presses the two extrusion frames 14 to the direction of the hollow tube 1, the extrusion frame 14 drives the clamping block 16 to contact the frame 10 first through the elastic plate 15, the inclined surface of the clamping block 16 contacts the frame 10, the elastic plate 15 is bent away from the hollow tube 1 by the abutting action of the inclined surface, the extrusion frame 14 is continuously moved to deform the rubber ring 11, the rubber ring 11 is tightly attached to the surface of the flat tube 18 to seal, and meanwhile the extrusion frame 14 drives the clamping block 16 to move to the other side of the frame 10 through the elastic plate 15, so that the clamping block 16 is clamped with the frame 10 under the elastic force of the elastic plate 15;

[0033] When two flat tubes 18 need to be disassembled, first, two push plates 17 are held to move away from the hollow tube 1, so that the push plate 17 drives the elastic plate 15 to bend, and the clamping block 16 is released from the clamping effect of the frame 10, then the extrusion frame 14 is held to move away from the hollow tube 1, so that the extrusion frame 14 no longer extrudes the rubber ring 11, reducing the friction between the rubber ring 11 and the flat tube 18, then the staff presses two sleeves 9 to the inside of the hollow tube 1, so that the sleeve 9 drives two clamping blocks 8 to move to the direction of the support plate 4 through the connecting plate 7, so that the clamping block 8 moves out from the inside of the clamping hole two 20, and the clamping effect on the flat tube 18 is released, then two flat tubes 18 are held to move away from each other, and the flat tube 18 is pulled out from the inside of the hollow tube 1, and the disassembly is completed.

[0034] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An aluminum flat tube sealing connector sleeve, comprising a hollow tube (1), characterized in that: A middle plate (2) is fixedly installed on the inner side of the hollow tube (1). Multiple insertion tubes (3) are installed through the middle plate (2). Two flat tubes (18) are inserted into the inner side of the hollow tube (1). Two snap-fit ​​holes (19) are opened through the inside of the flat tubes (18). Two snap-fit ​​holes (20) are opened through the top and bottom of the insertion tubes (3) near the middle position. The two snap-fit ​​holes (20) are located on both sides of the middle plate (2). A support plate (4) is fixedly installed on the inner side of the insertion tubes (3) near the middle position. Two snap-fit ​​blocks (8) are elastically provided at the top and bottom of the support plate (4). The snap-fit ​​blocks (8) are located inside the snap-fit ​​holes (19) and the snap-fit ​​holes (20) respectively.

2. The aluminum flat tube sealing connection sleeve according to claim 1, characterized in that: A guide rod (5) is fixedly installed through the inside of the support plate (4). Springs (6) are fixedly installed at the top and bottom of the support plate (4). A connecting plate (7) is fixedly installed at the end of the spring (6) away from the support plate (4). The side of the connecting plate (7) away from the support plate (4) is fixedly connected to two snap-fit ​​blocks (8).

3. The aluminum flat tube sealing connection sleeve according to claim 2, characterized in that: A sleeve (9) is fixedly installed on the side of the connecting plate (7) away from the support plate (4), and the sleeve (9) penetrates the interior of the hollow tube (1).

4. The aluminum flat tube sealing connection sleeve according to claim 3, characterized in that: The guide rod (5) passes through the inner side of the connecting plate (7) and the sleeve (9), and the guide rod (5) is slidably connected to the connecting plate (7).

5. The aluminum flat tube sealing connection sleeve according to claim 1, characterized in that: A frame (10) is fixedly installed on both sides of the hollow tube (1), and a rubber ring (11) is fixedly installed on the inner side of the frame (10). Multiple limiting grooves (12) are opened on the side of the frame (10) away from the hollow tube (1).

6. The aluminum flat tube sealing connection sleeve according to claim 5, characterized in that: A limiting rod (13) is slidably installed on the inner side of the limiting groove (12), and a compression frame (14) is fixedly installed on the end of the limiting rod (13) away from the hollow tube (1).

7. The aluminum flat tube sealing connection sleeve according to claim 6, characterized in that: Two elastic plates (15) are fixedly installed on the side of the extrusion frame (14) near the hollow tube (1), and the two elastic plates (15) are located at the top and bottom of the frame (10) respectively. A locking block (16) is fixedly installed on the side of the elastic plate (15) near the frame (10), and the locking block (16) is locked to one side of the frame (10). A push plate (17) is fixedly installed on the end of the elastic plate (15) away from the extrusion frame (14).

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