Engineering machinery wire harness structure with strong compression resistance

Abstract

The utility model discloses an engineering machinery wire harness structure with strong compression resistance, and aims to provide the engineering machinery wire harness structure with strong compression resistance, which has good compression resistance and good waterproof performance. Comprising a three-way connecting pipe, a wire harness is installed in the three-way connecting pipe, the three-way connecting pipe is detachably connected with a corrugated hose, a spring pipe is connected to the end of the three-way connecting pipe in an inserted mode and wraps the wire harness, the spring pipe is arranged in the corrugated hose, and the outer side of the corrugated hose is sleeved with a fastening ribbon. And the fastening ribbon is arranged at the joint of the corrugated hose and the three-way connecting pipe. The utility model has the beneficial effects that the structure is simple, the installation is convenient, the arranged spring pipe is made of steel sheets, the pressure resistance can be improved, the connecting structure of the corrugated hose and the three-way connecting pipe can improve the waterproofness, and the sealing effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field related to wire harnesses, in particular to a wire harness structure for engineering machinery with strong compression resistance. Background Art

[0002] Engineering machinery is an important part of the equipment industry. Generally speaking, all mechanical equipment required for earthwork construction, road construction and maintenance, mobile lifting and loading and unloading operations, and comprehensive mechanized construction projects required for various construction projects are called engineering machinery. It is mainly used in national defense construction projects, transportation construction, energy industry construction and production, mining and other raw material industry construction and production, agriculture, forestry and water conservancy construction, industrial and civil construction, urban construction, environmental protection and other fields.

[0003] The existing engineering machinery wiring harness has poor compression resistance, is inconvenient to install and fix the corrugated tube at the shunt of the wiring harness, and has poor waterproof performance. Utility Model Content

[0004] The utility model aims to overcome the shortcomings of poor pressure resistance and poor waterproof performance in the prior art and provides a high-pressure resistance engineering machinery harness structure with good pressure resistance and waterproof performance.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a wiring harness structure for engineering machinery with strong pressure resistance, including a three-way connecting pipe, a wiring harness is installed in the three-way connecting pipe, the three-way connecting pipe is detachably connected to a corrugated hose, a spring tube is inserted into the end of the three-way connecting pipe and the spring tube covers the wiring harness, the spring tube is placed inside the corrugated hose, a tightening tie is sleeved on the outside of the corrugated hose, and the tightening tie is placed at the connection between the corrugated hose and the three-way connecting pipe.

[0006] The wiring harness structure includes a three-way connecting tube, which is used to connect multiple wire harnesses. The wiring harness is placed inside the three-way connecting tube. A spring tube is inserted at the end of the three-way connecting tube, and the spring tube is a structural tube made of spiral steel sheets. Among them, the wiring harness is placed in the spring tube, and the spring tube plays a role in protecting the wiring harness and ensuring good compression resistance of the wiring harness. A corrugated hose is sleeved on the outside of the three-way connecting tube, and the corrugated hose is fixed by a tightening tie to ensure the connection stability of the corrugated hose and the three-way connecting tube and ensure waterproof performance.

[0007] Preferably, the end surface of the three-way connecting pipe is provided with a clamping groove, and the spring pipe is embedded in the clamping groove. The spring pipe and the three-way connecting pipe are installed in a plug-in manner, making the installation simple and convenient.

[0008] Preferably, the inner side wall of the end of the spring tube is provided with a guiding inclined surface. The guiding inclined surface provided at the end of the spring tube can be conveniently inserted into the clamping groove during plugging, making installation simple and convenient.

[0009] Preferably, the side wall of the clamping groove is provided with a limiting protrusion, and the inner wall of the spring tube is provided with a limiting groove, and the limiting protrusion is embedded in the limiting groove. After the spring ring is inserted into the clamping groove, the limiting protrusion is clamped into the limiting groove to complete the clamping and limiting, thereby ensuring the connection stability between the spring tube and the three-way connecting tube.

[0010] Preferably, the outer wall of the three-way connecting pipe is provided with a connecting groove, the inner wall of the corrugated hose is provided with a limiting ring, the corrugated hose is sleeved with the three-way connecting pipe and the limiting ring is embedded in the connecting groove. When the corrugated hose is sleeved on the three-way connecting pipe, the limiting ring provided on its inner wall is embedded in the connecting groove of the three-way connecting pipe to complete the clamping connection, thereby ensuring the connection stability between the corrugated hose and the three-way connecting pipe.

[0011] Preferably, the inner top surface of the limiting ring is arc-shaped, and the inner top surface of the limiting ring is in close contact with the bottom surface of the connecting groove. The arc-shaped top surface of the limiting ring can make the inner top surface of the limiting ring and the bottom surface of the connecting groove in a close contact connection state after the corrugated hose is sleeved with the three-way connecting pipe, thereby achieving a certain sealing performance and improving waterproof performance.

[0012] Preferably, the side wall of the connection groove is provided with an installation groove, a sealing ring is installed in the installation groove, the cross section of the sealing ring is L-shaped, and the sealing ring contacts the side wall of the limiting ring. The sealing ring is clamped in the installation groove provided on the side wall of the connection groove, and the sealing ring is in close contact with the side wall of the limiting ring, so that the sealing ring is compressed, ensuring the tightness of the connection between the corrugated hose and the three-way connecting pipe, improving the sealing effect after connection, and improving the waterproof performance.

[0013] Preferably, the outer wall of the corrugated hose is provided with a tie groove, and the fastening tie is installed in the tie groove. The provided tie groove is used to remind the installation position of the fastening tie, ensure the connection stability of the fastening tie, ensure the tightness of the connection between the corrugated hose and the three-way connection groove, and make it have a good waterproof effect.

[0014] The utility model has the following beneficial effects: simple structure, easy installation, the spring tube is made of steel sheet, which can improve the pressure resistance, and the connection structure of the corrugated hose and the three-way connecting pipe can improve the waterproofness and make the sealing effect good. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 yes Figure 2 Enlarged view of point A in the middle.

[0018] Attached photos

[0019] 1. Three-way connecting pipe, 2. Wire harness, 3. Corrugated hose, 4. Spring tube, 5. Fastening tie, 10. Snap-fit ​​groove, 11. Limiting protrusion, 12. Connecting groove, 13. Mounting groove, 14. Sealing ring, 30. Limiting ring, 31. Tie groove, 40. Guide slope, 41. Limiting groove. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0021] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0022] Unless otherwise specifically stated, the relative arrangement of the parts, numerical expressions and numerical values ​​set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0023] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0024] Embodiment 1, as Figure 1-3As shown, a wiring harness structure for engineering machinery with strong pressure resistance performance includes a three-way connecting tube 1, a wiring harness 2 is installed in the three-way connecting tube 1, the three-way connecting tube 1 is detachably connected to a corrugated hose 3, a spring tube 4 is inserted at the end of the three-way connecting tube 1, the spring tube 4 is placed inside the corrugated hose 3, a fastening tie 5 is sleeved on the outside of the corrugated hose 3, and the fastening tie 5 is placed at the connection between the corrugated hose 3 and the three-way connecting tube 1.

[0025] The end surface of the three-way connecting pipe 1 is provided with a clamping groove 10, and the spring tube 4 is embedded in the clamping groove 10. The inner side wall of the end of the spring tube 4 is provided with a guiding inclined surface 40. The side wall of the clamping groove 10 is provided with a limiting protrusion 11, and the inner side wall of the spring tube 4 is provided with a limiting groove 41, and the limiting protrusion 11 is embedded in the limiting groove 41.

[0026] The outer wall of the three-way connecting pipe 1 is provided with a connecting groove 12, and the inner wall of the corrugated hose 3 is provided with a limiting ring 30. The corrugated hose 3 is sleeved with the three-way connecting pipe 1 and the limiting ring 30 is embedded in the connecting groove 12. The inner top surface of the limiting ring 30 is arc-shaped, and the inner top surface of the limiting ring 30 is in close contact with the bottom surface of the connecting groove 12. The side wall of the connecting groove 12 is provided with an installation groove 13, and a sealing ring 14 is installed in the installation groove 13. The cross section of the sealing ring 14 is L-shaped, and the sealing ring 14 is in contact with the side wall of the limiting ring 30.

[0027] The outer side wall of the corrugated hose 3 is provided with a tie groove 31 , and the fastening tie 5 is installed in the tie groove 31 .

[0028] The main working principle of the utility model is: Figure 1-3 As shown, a clamping groove 10 is provided on the end surface of the three-way connecting pipe 1, and a limiting groove 41 is provided on the side wall of the clamping groove 10. A limiting protrusion 11 is provided on the side wall of the end of the spring tube 4, and when the spring tube 4 is inserted into the clamping groove 10, the limiting protrusion 11 is embedded in the limiting groove 41 to achieve the plug-in connection between the spring tube 4 and the three-way connecting pipe 1. Among them, a guiding inclined surface 40 is provided on the inner wall of the end of the spring tube 4, and the guiding inclined surface 40 can facilitate the insertion of the spring tube 4 into the clamping groove 10, making the installation operation simple and convenient, and improving the work efficiency.

[0029] Preferably, a connection groove 12 is provided on the outer wall of the three-way connecting pipe 1, and a mounting groove 13 is provided on the side wall of the connection groove 12. A sealing ring 14 is clamped in the mounting groove 13, and the cross section of the sealing ring 14 is L-shaped. A corrugated hose 3 is sleeved on the outside of the three-way connecting pipe 1, and a limiting ring 30 is provided on the inner wall of the corrugated hose 3. When the corrugated hose 3 and the three-way connecting pipe 1 are sleeved, the limiting ring 30 is embedded in the connection groove 12. Among them, the inner top surface of the limiting ring 30 is arc-shaped. When embedded in the connection groove 12, the inner top surface of the limiting ring 30 is in close contact with the bottom surface of the connection groove 12, thereby improving the connection tightness between the corrugated hose 3 and the three-way connecting pipe 1, improving the sealing effect, and ensuring waterproofness. At the same time, when the limiting ring 30 is embedded in the connection groove 12, the sealing ring 14 contacts the side wall of the limiting ring 30, and then the sealing ring 14 is compressed, thereby improving the connection sealing between the corrugated hose 3 and the three-way connecting pipe 1, and improving waterproofness.

[0030] Preferably, a tie groove 31 is provided on the outer wall of the corrugated hose 3, and a fastening tie 5 is sleeved on the tie groove 31. The provided tie groove 5 can ensure that when the fastening tie 5 is installed, the fastening tie 5 can be embedded in the connecting groove 12 in the tightened state, thereby ensuring the tightening effect of the fastening tie 5, thereby improving the sealing and the waterproof effect.

[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A wiring harness structure for engineering machinery with strong compressive performance, characterized in that: The invention comprises a three-way connecting pipe (1), wherein a wiring harness (2) is installed in the three-way connecting pipe (1), the three-way connecting pipe (1) is detachably connected to a corrugated hose (3), a spring tube (4) is inserted at the end of the three-way connecting pipe (1), and the spring tube (4) covers the wiring harness (2), the spring tube (4) is placed inside the corrugated hose (3), and a fastening tie (5) is sleeved on the outside of the corrugated hose (3), and the fastening tie (5) is placed at the connection between the corrugated hose (3) and the three-way connecting pipe (1).

2. According to the strong compression resistance performance engineering machinery wiring harness structure of claim 1, it is characterized in that: The end surface of the three-way connecting pipe (1) is provided with a clamping groove (10), and the spring tube (4) is embedded in the clamping groove (10).

3. According to claim 2, a strong compressive performance engineering machinery wiring harness structure is characterized in that: The inner side wall of the end of the spring tube (4) is provided with a guiding inclined surface (40).

4. The strong compression resistance engineering machinery wiring harness structure according to claim 2 is characterized in that: A limiting protrusion (11) is provided on the side wall of the clamping groove (10), a limiting groove (41) is provided on the inner side wall of the spring tube (4), and the limiting protrusion (11) is embedded in the limiting groove (41).

5. The strong compression resistance engineering machinery wiring harness structure according to claim 1 is characterized in that: The outer wall of the three-way connecting pipe (1) is provided with a connecting groove (12), the inner wall of the corrugated hose (3) is provided with a limiting ring (30), the corrugated hose (3) is sleeved with the three-way connecting pipe (1) and the limiting ring (30) is embedded in the connecting groove (12).

6. The strong compression resistance engineering machinery wiring harness structure according to claim 5 is characterized in that: The inner top surface of the limiting ring (30) is arc-shaped, and the inner top surface of the limiting ring (30) is in close contact with the bottom surface of the connecting groove (12).

7. The strong compression resistance engineering machinery wiring harness structure according to claim 5 is characterized in that: The side wall of the connection groove (12) is provided with a mounting groove (13), a sealing ring (14) is mounted in the mounting groove (13), the cross section of the sealing ring (14) is L-shaped, and the sealing ring (14) is in contact with the side wall of the limiting ring (30).

8. The strong compression resistance engineering machinery wiring harness structure according to claim 1 is characterized in that: The outer side wall of the corrugated hose (3) is provided with a tie groove (31), and the fastening tie (5) is installed in the tie groove (31).

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