Union adapter for cement truck

Abstract

The utility model discloses a cement truck union adapter which comprises a union pipeline, a union female head is arranged on the right side of the union pipeline, a union male head is arranged on the left side of the union pipeline, a flush joint is arranged on the right side of the union pipeline, and a retaining shoulder is arranged on the right side of the surface of the union pipeline. And the union pipeline, the retaining shoulder and the flat joint are integrally cast and formed. The union pipeline, the female union head and the male union head are used in cooperation, two pipelines are in rapid butt joint, the female union head is prevented from sliding off in the installation process through the arrangement of the blocking shoulder, meanwhile, under the action of the limiting assembly, the female union head is prevented from loosening after being installed, the connecting mode of rapid disassembly and assembly is adopted, and the connecting effect is good. The two pipelines are in butt joint and communicated, meanwhile, the anti-retreating structure is arranged, the situation that the butt joint position of the pipelines is loosened due to long-term vibration of a vehicle is avoided, and the purposes of convenient installation and stable and reliable connection can be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of cement truck pipeline docking, in particular to a union conversion joint for a cement truck. Background Art

[0002] Union, also called pipe joint or live joint, is a common pipe connector that can be easily installed and disassembled. It is a pipe fitting that connects two pipes. The two pipes can be separated without moving the pipes for easy maintenance. It consists of three parts: threaded head, ball head and tight cap.

[0003] Cement transport trucks usually need to frequently connect and disconnect various pipelines in order to operate efficiently in different working environments. In actual use, the pipelines need to be rotated for disassembly. The rotation of the pipelines is extremely time-consuming and labor-intensive due to the weight and length of the pipelines. For this reason, it is necessary to provide a cement truck union conversion joint, which adopts a quick disassembly and assembly connection method to connect the two pipelines, and is equipped with a wire withdrawal prevention structure to prevent the long-term vibration of the vehicle from causing the pipeline joint to loosen. Utility Model Content

[0004] The utility model aims to provide a union conversion joint for a cement truck, which adopts a quick disassembly and assembly connection method to connect two pipelines, and is equipped with a wire withdrawal prevention structure to avoid loosening of the pipeline joint caused by long-term vibration of the vehicle, so as to solve the above technical problems.

[0005] The utility model provides a technical solution to the above technical problem as follows: a union conversion joint for a cement truck, comprising a union pipe: a female union is arranged on the right side of the union pipe, a male union is arranged on the left side of the union pipe, a flat joint is arranged on the right side of the union pipe, a shoulder is arranged on the right side of the surface of the union pipe, the union pipe, the shoulder and the flat joint are integrally cast, and a limiting component is arranged on the left side of the inner cavity of the female union.

[0006] Preferably, the limiting assembly includes an annular groove opened on the left side of the inner cavity of the female union, a fixing ring is clamped in the inner cavity of the annular groove, a corrugated clamping ring is welded on the right side of the fixing ring, and a plurality of arc-shaped clamping grooves matching the corrugated clamping ring are opened in an annular shape on the left side of the flat joint.

[0007] Preferably, an annular groove is provided on the left side of the inner cavity of the union, an elastic insert is engaged in the inner cavity of the annular groove, and the right side of the elastic insert is in close contact with the left side of the fixing ring.

[0008] Preferably, a sealing groove is provided on the inner wall of the male connector, and a sealing ring is embedded in the inner cavity of the sealing groove.

[0009] Preferably, three claws are distributed in a ring shape on the surface of the union nut, and the union nut and the claws are integrally cast.

[0010] 1. The beneficial effects of the utility model are as follows: the utility model can quickly connect two pipelines by using the union pipe, the union female head and the union male head in combination, and can prevent the union female head from slipping during installation by setting the shoulder, and at the same time, under the action of the limit assembly, prevent the union female head from loosening after installation, so as to achieve the purpose of convenient installation and stable and reliable connection.

[0011] 2. The utility model sets a limit assembly, wherein the elastic insert and the annular groove are used in combination to limit and block the fixing ring, so that the fixing ring can be stably engaged in the inner cavity of the annular groove. At the same time, the corrugated clamping ring and the arc-shaped clamping groove are used in combination to elastically squeeze and limit the flat joint, thereby preventing the flat joint and the female union from being stripped after being connected to the pipeline.

[0012] 3. The utility model seals the joint between the union male head and the pipeline by using the sealing groove and the sealing ring in combination, thereby improving the sealing effect of the union male head after the joint. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] in:

[0014] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;

[0015] Figure 2 This is a three-dimensional exploded view of a union pipe, a flat joint and a sealing ring in one embodiment of the utility model;

[0016] Figure 3 This is a front cross-sectional view of a union pipe and a union female connector according to an embodiment of the utility model;

[0017] Figure 4 It is a three-dimensional exploded view of a female connector and a limit assembly according to an embodiment of the utility model.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Union pipe, 2. Union female, 3. Union male, 4. Flat joint, 5. Limit assembly, 51. Annular groove, 52. Fixing ring, 53. Corrugated clamping ring, 54. Annular clamping groove, 55. Elastic insert, 56. Arc clamping groove, 6. Shoulder, 7. Sealing groove, 8. Sealing ring, 9. Claw head. DETAILED DESCRIPTION

[0020] Hereinafter, embodiments of the cement truck union conversion joint of the present invention will be described with reference to the accompanying drawings.

[0021] Figure 1-4A cement truck union conversion joint of an embodiment of the utility model is shown, comprising a union pipe 1: a union female head 2 is arranged on the right side of the union pipe 1, three claw heads 9 are distributed in an annular manner on the surface of the union female head 2, the union female head 2 and the claw heads 9 are integrally cast, a union male head 3 is arranged on the left side of the union pipe 1, a sealing groove 7 is arranged on the inner wall of the union male head 3, a sealing ring 8 is embedded in the inner cavity of the sealing groove 7, and the joint between the union male head 3 and the pipeline is sealed by the coordinated use of the sealing groove 7 and the sealing ring 8, so as to improve the sealing effect of the union male head 3 after the joint, a flat joint 4 is arranged on the right side of the union pipe 1, a shoulder 6 is arranged on the right side of the surface of the union pipe 1, the union pipe 1, the shoulder 6 and the flat joint 4 are integrally cast, a limiting component 5 is arranged on the left side of the inner cavity of the union female head 2, and the limiting component 5 includes a portion provided on the left side of the inner cavity of the union female head 2 An annular groove 51 is provided, a fixing ring 52 is engaged in the inner cavity of the annular groove 51, a corrugated snap ring 53 is welded on the right side of the fixing ring 52, a plurality of arc-shaped snap grooves 56 matched with the corrugated snap ring 53 are provided in an annular manner on the left side of the flat joint 4, an annular snap groove 54 is provided on the left side of the inner cavity of the union female head 2, an elastic insert 55 is engaged in the inner cavity of the annular snap groove 54, and the right side of the elastic insert 55 is in close contact with the left side of the fixing ring 52, through the setting of the limiting component 5, the elastic insert 55 and the annular snap groove 54 are used in coordination, which plays a role of limiting and blocking the fixing ring 52, so that the fixing ring 52 can be stably engaged in the inner cavity of the annular groove 51, and at the same time, under the coordinated use of the corrugated snap ring 53 and the arc-shaped snap groove 56, the flat joint 4 is elastically squeezed and limited, thereby preventing the flat joint 4 and the union female head 2 from being stripped after being connected to the pipeline.

[0022] Working principle: When the utility model is used, the user engages the sealing ring 8 in the inner cavity of the sealing groove 7, and then threadably connects the union male head 3 to the female head of the first pipeline, and seals the connection through the action of the sealing ring 8, and then makes the flat joint 4 contact with the male head of the second pipeline, slides the union female head 2 from the leftmost part of the shoulder 6 to the male head of the second pipeline, rotates the claw head 9, so that the union female head 2 rotates on the surface of the male head of the second pipeline, and then makes the union female head 2 threadably connected to the male head of the second pipeline. When it is about to be locked, the corrugated clamping ring 53 is squeezed and engaged in the inner cavity of the arc-shaped clamping groove 56, thereby forming a reaction force with the union female head 2, limiting the union female head 2, and preventing the union female head 2 from being threaded out.

[0023] In summary, the union conversion joint for cement trucks can quickly connect two pipelines through the coordinated use of the union pipe 1, the union female head 2 and the union male head 3. The setting of the shoulder 6 can prevent the union female head 2 from slipping during the installation process. At the same time, under the action of the limit assembly 5, the union female head 2 can be prevented from loosening after installation, thereby achieving the purpose of convenient installation and stable and reliable connection.

Claims

1. A cement truck union conversion joint, characterized in that: The invention comprises a union pipe (1): a union female head (2) is arranged on the right side of the union pipe (1), a union male head (3) is arranged on the left side of the union pipe (1), a flat joint (4) is arranged on the right side of the union pipe (1), a stop shoulder (6) is arranged on the right side of the surface of the union pipe (1), the union pipe (1), the stop shoulder (6) and the flat joint (4) are integrally cast, and a limit position component (5) is arranged on the left side of the inner cavity of the union female head (2).

2. A cement truck union conversion joint according to claim 1, characterized in that: The limiting assembly (5) comprises an annular groove (51) formed on the left side of the inner cavity of the female union (2); a fixing ring (52) is clamped in the inner cavity of the annular groove (51); a corrugated clamping ring (53) is welded on the right side of the fixing ring (52); and a plurality of arc-shaped clamping grooves (56) adapted to the corrugated clamping ring (53) are formed in an annular shape on the left side of the flat joint (4).

3. A cement truck union conversion joint according to claim 2, characterized in that: An annular groove (54) is provided on the left side of the inner cavity of the female union (2), an elastic insert (55) is engaged in the inner cavity of the annular groove (54), and the right side of the elastic insert (55) is in close contact with the left side of the fixing ring (52).

4. A cement truck union conversion joint according to claim 3, characterized in that: The inner wall of the male connector (3) is provided with a sealing groove (7), and a sealing ring (8) is embedded in the inner cavity of the sealing groove (7).

5. A cement truck union conversion joint according to claim 4, characterized in that: The surface of the union female head (2) is provided with three claw heads (9) distributed in an annular manner, and the union female head (2) and the claw heads (9) are integrally cast.

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