Bending forming die for metal pipe fitting of automobile air conditioner

Abstract

The utility model provides an automobile air conditioner metal pipe fitting bending forming die which comprises universal ball heads and a connecting column, every two adjacent universal ball heads are rotationally connected through a ball head connecting piece, two fixing pieces are rotationally installed on the ball head connecting pieces, and the fixing pieces are fixedly connected with the corresponding universal ball heads through bolts; one end of the connecting column is fixedly connected with one universal ball head through a bolt; by means of the overall arrangement, when the automobile air conditioner metal pipe fitting is bent and formed, the number of the universal ball heads can be conveniently adjusted according to the bending condition of the automobile air conditioner metal pipe fitting, and therefore the bending and forming quality of the automobile air conditioner metal pipe fitting can be better guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of automobile parts processing, in particular to a bending forming die for automobile air-conditioning metal pipes. Background Art

[0002] Automobile air conditioning is also called automobile air conditioner for short. It is a ventilation device that is used to adjust and control the temperature, humidity, air cleanliness and air flow in the car compartment to the best state, provide a comfortable riding environment for passengers, reduce travel fatigue, create good working conditions for drivers, and play an important role in ensuring safe driving.

[0003] Since there are many components inside the engine compartment, in order to facilitate the installation of the car air conditioner, the relevant pipes of the car air conditioner need to be bent.

[0004] However, the existing automobile air-conditioning metal pipe bending forming dies, such as the core-pulling pipe bending machine mandrel die on the pipe bender, are not convenient for adjusting the number of universal heads according to the needs of processing pipes during use.

[0005] Therefore, it is very necessary to invent a kind of automobile air-conditioning metal pipe bending forming die. Utility Model Content

[0006] In order to solve the above technical problems, the utility model provides a technical solution adopted by a bending and forming die for metal pipe fittings of automobile air conditioners: a bending and forming die for metal pipe fittings of automobile air conditioners, comprising a universal ball head and a connecting column, wherein: every two adjacent universal ball heads are rotatably connected through a ball head connecting piece, and two fixing pieces are rotatably mounted on the ball head connecting piece, and the fixing pieces are fixedly connected to the corresponding universal ball heads through bolts; one end of the connecting column is fixedly connected to one of the universal ball heads through a bolt;

[0007] Preferably, a ball socket is provided at each end of the universal ball head, and the two ball sockets are not connected; two limit cavities are provided at each end of the universal ball head, and the two limit cavities are respectively located on both sides of the corresponding ball socket, and are arranged in a mirror image position with the corresponding ball socket as the center; two countersunk holes are provided on each side of the circumference of the universal ball head, and the two countersunk holes are connected with the corresponding ball socket and the limit cavity; one end of the ball head connector is rotatably installed in the corresponding ball socket; the fixing piece is installed in the corresponding limit cavity by plugging and unplugging; the bolt is fixedly installed in the corresponding countersunk hole; one end of the connecting column is fixedly installed in the corresponding ball socket;

[0008] Preferably, the ball head connector includes a ball head 1 and a ball head 2, and the ball head 1 and the ball head 2 are fixedly connected with the ball head 1 and the ball head 2 and are coaxial, and the ball head 1 and the ball head 2 have the same size; the ball head 1 and the ball head 2 are rotatably installed in the corresponding ball sockets; the fixing member is rotatably installed on the corresponding ball head 1 and the ball head 2;

[0009] Preferably, the fixing part includes a connecting plate, and a limiting hole is formed through the center of the surface of the connecting plate, and two positioning columns are evenly distributed and fixedly installed on one side of the connecting plate; the two positioning columns are arranged in a mirror image position with the limiting hole as the center, and two internal threaded holes are respectively formed at the center of the circumference of the two positioning columns; the connecting plate is sleeved on the corresponding ball head 1 and ball head 2 through the limiting hole, and the diameter of the limiting hole is smaller than the diameter of the ball head 1 and ball head 2; the positioning column is installed in the corresponding limiting cavity by plugging and unplugging; bolts are fixedly installed in the countersunk hole and the corresponding internal threaded hole 2.

[0010] Preferably, an internal threaded hole is provided at one end of the connecting column, and a connecting head is fixedly installed at the other end of the connecting column, and an internal threaded hole is provided on each side of the connecting head; the two internal threaded holes are arranged in a mirror image position with the connecting head as the center; the connecting head is fixedly installed in the corresponding ball socket; a bolt is fixedly installed between the internal threaded hole and the corresponding countersunk hole.

[0011] Preferably, one of the two internal threaded holes on the two positioning columns on the connecting plate is a clockwise thread and the other is a counterclockwise thread, and the size of the connecting plate matches the size of the universal ball head and the connecting column.

[0012] Preferably, one of the two internal threaded holes on the connector is a clockwise thread and the other is a counterclockwise thread.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] The overall arrangement of the utility model can facilitate the adjustment of the number of universal ball heads according to the bending conditions of the automobile air-conditioning metal pipes when the automobile air-conditioning metal pipes are bent and formed, thereby better ensuring the bending quality of the automobile air-conditioning metal pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0016] Figure 2 The utility model is a schematic diagram of the exploded structure of a universal ball head, a fixing piece and a connecting column.

[0017] Figure 3 The utility model is a schematic diagram of the exploded structure of a universal ball head and a ball head connecting piece.

[0018] In the figure:

[0019] Universal ball head 1, ball socket 11, limiting cavity 12, countersunk hole 13, ball head connector 2, ball head 1 21, ball head 2 22, fixing part 3, connecting piece 31, limiting hole 32, positioning column 33, internal threaded hole 2 34, bolt 4, connecting column 5, internal threaded hole 1 51, connecting head 52, internal threaded hole 53. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be described clearly and completely below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0021] In the description of the embodiments, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In the description of the utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be a connection between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0022] The utility model is further described below in conjunction with the accompanying drawings:

[0023] Embodiment 1

[0024] Reference Figure 1-3, a bending and forming die for metal pipe fittings of automobile air conditioners, comprising a universal ball head 1 and a connecting column 5, wherein: every two adjacent universal ball heads 1 are rotatably connected through a ball head connecting member 2, and two fixing members 3 are rotatably mounted on the ball head connecting member 2, and the fixing members 3 are fixedly connected with the corresponding universal ball heads 1 through bolts 4, and the arrangement between the universal ball head 1, the ball head connecting member 2, the fixing members 3 and the bolts 4 facilitates the separate disassembly and assembly between two adjacent universal ball heads 1; one end of the connecting column 5 is fixedly connected to one of the universal ball heads 1 through the bolt 4, and the arrangement of the connecting column 5 facilitates the fixed installation of the bending and forming die for metal pipe fittings of automobile air conditioners on the mandrel of the bending machine;

[0025] A ball socket 11 is provided at each end of the universal ball head 1. The setting of the ball socket 11 can ensure the stability between the universal ball head 1 and the ball head connector 2 and the smoothness of the rotation process, and the two ball sockets 11 are not connected; two limit cavities 12 are provided at each end of the universal ball head 1. The setting of the limit cavities 12 facilitates the rapid positioning connection between the universal ball head 1 and the fixing member 3, and ensures the stability between the universal ball head 1 and the fixing member 3. The two limit cavities 12 are respectively located on both sides of the corresponding ball sockets 11. The corresponding ball socket 11 is set as the center in a mirrored position; two countersunk holes 13 are respectively provided on both sides of the circumference of the universal ball head 1, and the bolt 4 is conveniently hidden by the setting of the countersunk holes 13, and the two countersunk holes 13 are connected with the corresponding ball socket 11 and the limit cavity 12; one end of the ball head connector 2 is rotatably installed in the corresponding ball socket 11; the fixing member 3 is installed in the corresponding limit cavity 12 by plugging and unplugging; the bolt 4 is fixedly installed in the corresponding countersunk hole 13; one end of the connecting column 5 is fixedly installed in the corresponding ball socket 11;

[0026] The ball head connector 2 includes a ball head 1 21 and a ball head 22, and the ball head 1 21 and the ball head 22 are fixedly connected and coaxial, and the ball head 1 21 and the ball head 22 have the same size; the ball head 1 21 and the ball head 22 are rotatably installed in the corresponding ball socket 11; the fixing member 3 is rotatably installed on the corresponding ball head 1 21 and the ball head 22; through the arrangement between the ball head 1 21 and the ball head 22, two adjacent universal ball heads 1 can be disassembled and assembled;

[0027] The fixing member 3 includes a connecting piece 31, and a limiting hole 32 is formed at the center of the surface of the connecting piece 31. The setting of the limiting hole 32 can prevent the fixing member 3 from falling off the ball head connecting member 2. Two positioning columns 33 are evenly fixedly installed on one side of the connecting piece 31. The positioning columns 33 cooperate with the setting of the limiting cavity 12 to facilitate the fast connection of the fixing member 3 and the corresponding universal ball head 1; the two positioning columns 33 are set in a mirrored position with the limiting hole 32 as the center, and the two positioning columns 33 are set in a mirrored position with the limiting hole 32 as the center, and the two positioning columns 33 are set in a mirrored position with the limiting hole 32 as the center. An internal threaded hole 2 34 is provided at the center of the circumference of the column 33. The internal threaded hole 2 34 cooperates with the bolt 4 to ensure the firmness between the fixing part 3 and the universal ball head 1; the connecting piece 31 is sleeved on the corresponding ball head 1 21 and the ball head 2 22 through the limiting hole 32, and the diameter of the limiting hole 32 is smaller than the diameter of the ball head 1 21 and the ball head 22; the positioning column 33 is installed in the corresponding limiting cavity 12 by plugging and unplugging; the bolt 4 is fixedly installed in the countersunk hole 13 and the corresponding internal threaded hole 2 34.

[0028] An internal threaded hole 51 is provided at one end of the connecting column 5. The setting of the internal threaded hole 51 facilitates the disassembly and assembly between the connecting column 5 and the pipe bending machine, and a connecting head 52 is fixedly installed at the other end of the connecting column 5. The setting of the connecting head 52 facilitates the disassembly and assembly between the connecting column 5 and the universal ball head 1. An internal threaded hole 53 is provided on each side of the connecting head 52. The setting of the internal threaded hole 53 and the bolt 4 can ensure the firmness between the connecting column 5 and the universal ball head 1; the two internal threaded holes 53 are arranged in a mirrored position with the connecting head 52 as the center; the connecting head 52 is fixedly installed in the corresponding ball socket 11; the bolt 4 is fixedly installed between the internal threaded hole 51 and the corresponding countersunk hole 13.

[0029] The internal threaded holes 34 on the two positioning posts 33 on the connecting piece 31 are one clockwise threaded and the other counterclockwise threaded, and the size of the connecting piece 31 matches the size of the universal ball head 1 and the connecting post 5; the clockwise thread and the counterclockwise thread are arranged in conjunction with the bolt 4, so that they can be mutually constrained, thereby preventing the fixing piece 3 and the universal ball head 1 from loosening;

[0030] The two internal threaded holes 53 on the connecting head 52 have one clockwise thread and the other counterclockwise thread. The clockwise thread and the counterclockwise thread cooperate with the bolt 4 to restrain each other, thereby preventing the connecting column 5 and the universal ball head 1 from loosening.

[0031] In this embodiment, when bending the metal pipe of the automobile air conditioner, a suitable number of universal ball heads 1 can be selected according to the situation when bending the pipe, so that they can be assembled together to form a Figure 1 Just shape;

[0032] When the number of universal ball heads 1 needs to be reduced, it is only necessary to remove the corresponding bolts 4 on the required number of universal ball heads 1 at one end away from the connecting column 5, and then the corresponding universal ball heads 1 and the ball head connectors 2 can be removed.

[0033] Utilizing the technical solution described in the utility model, or those skilled in the art designing similar technical solutions inspired by the technical solution of the utility model to achieve the above-mentioned technical effects, all fall within the protection scope of the utility model.

Claims

1. A bending forming die for automobile air-conditioning metal pipes, characterized in that: It comprises a universal ball head (1) and a connecting column (5), wherein: every two adjacent universal ball heads (1) are rotatably connected via a ball head connecting piece (2), and two fixing pieces (3) are rotatably mounted on the ball head connecting piece (2), and the fixing pieces (3) are fixedly connected to the corresponding universal ball heads (1) via bolts (4); one end of the connecting column (5) is fixedly connected to one of the universal ball heads (1) via a bolt (4); The two ends of the universal ball head (1) are respectively provided with a ball socket (11), and the two ball sockets (11) are not connected; the two ends of the universal ball head (1) are respectively provided with two limit cavities (12), and the two limit cavities (12) are respectively located on the two sides of the corresponding ball socket (11); the two sides of the circumference of the universal ball head (1) are respectively provided with two countersunk holes (13), and the two countersunk holes (13) are connected with the corresponding ball socket (11) and the limit cavities (12); one end of the ball head connecting member (2) is rotatably installed in the corresponding ball socket (11); the fixing member (3) is installed in the corresponding limit cavity (12) by plugging and unplugging; the bolt (4) is fixedly installed in the corresponding countersunk hole (13); one end of the connecting column (5) is fixedly installed in the corresponding ball socket (11); The ball head connecting member (2) comprises a ball head 1 (21) and a ball head 2 (22), and the ball head 1 (21) and the ball head 2 (22) are fixedly connected to each other; the ball head 1 (21) and the ball head 2 (22) are rotatably mounted in the corresponding ball socket (11); the fixing member (3) is rotatably mounted on the corresponding ball head 1 (21) and the ball head 2 (22); The fixing member (3) comprises a connecting piece (31), and a limiting hole (32) is formed through the surface of the connecting piece (31); two positioning columns (33) are evenly and fixedly installed on one side of the connecting piece (31); two internal threaded holes (34) are respectively formed on the circumference of the two positioning columns (33); the connecting piece (31) is sleeved on the corresponding ball head 1 (21) and the ball head 2 (22) through the limiting hole (32); the positioning column (33) is installed in the corresponding limiting cavity (12) by plugging and unplugging; bolts (4) are fixedly installed in the countersunk hole (13) and the corresponding internal threaded hole 2 (34).

2. The automotive air-conditioning metal pipe bending forming die according to claim 1, characterized in that: One end of the connecting column (5) is provided with an internal threaded hole (51), and the other end of the connecting column (5) is fixedly installed with a connecting head (52), and both sides of the connecting head (52) are respectively provided with internal threaded holes (53); the connecting head (52) is fixedly installed in the corresponding ball socket (11); a bolt (4) is fixedly installed between the internal threaded hole (51) and the corresponding countersunk hole (13).

3. The automotive air-conditioning metal pipe bending forming die according to claim 2, characterized in that: One of the two internal threaded holes (34) on the two positioning posts (33) on the connecting piece (31) is a clockwise thread and the other is a counterclockwise thread.

4. The automotive air-conditioning metal pipe bending forming die according to claim 2, characterized in that: The two internal thread holes (53) on the connector (52) have one clockwise thread and the other counterclockwise thread.

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