Wire harness connecting end sealing structure and sensor wire harness

Abstract

The utility model relates to a wire harness connecting end sealing structure and a sensor wire harness, and the structure comprises a sealing member which is provided with a first wire passing hole; a containing space is formed in the connecting pipe, the sealing piece is located in the containing space, the connecting pipe is provided with a first protruding part protruding towards the containing space, the first protruding part abuts against the sealing piece, and a limiting plate extending towards the containing space is arranged at the end of the connecting pipe. The limiting plate is connected with the sealing piece in a clamped mode. According to the wire harness connecting end sealing structure and the sensor wire harness, the sealing performance of the wire harness connecting end can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sealing structure technical field especially, relates to a wire harness connection end sealing structure and sensor wire harness. BACKGROUND

[0002] Exhaust temperature sensor is mainly used to detect the exhaust temperature of engine, in order to guarantee the signal that exhaust temperature sensor exports to controller remains stable, under the premise that the sensor own characteristic function is good, need guarantee that the wire harness connection end of sensor has good sealing, avoid the water vapor or other conductive material in air in the use process into sensor wire harness inside, lead to the signal that sensor exports to controller is unstable. At present, sealing plug is arranged in the wire harness connection end to reach the effect of sealing, and sealing plug and wire harness shell adopt clamping mode, but the sealing plug will appear loose in the use and movement process of wire harness, and air enters the inside of sensor wire harness. SUMMARY

[0003] Therefore, the utility model wants to solve the technical problem in providing a wire harness connection end sealing structure and sensor wire harness, can improve the sealing property of wire harness connection end.

[0004] To solve the above technical problem, the utility model provides a wire harness connection end sealing structure, include: sealing piece, sealing piece is equipped with first wire hole, connecting pipe, the accommodating space is equipped in connecting pipe, sealing piece is located in the accommodating space, connecting pipe is equipped with the first convex part that protrudes to the accommodating space, the first convex part and sealing piece abut, and the end of connecting pipe is equipped with the limiting plate that protrudes to the accommodating space, and the limiting plate and sealing piece clamping.

[0005] In an embodiment of the utility model, the connecting pipe is further equipped with the second convex part, the second convex part and the sealing piece abut, and the second convex part and the limiting plate position correspond.

[0006] In an embodiment of the utility model, the side wall of connecting pipe is connected with the reinforcing piece in the position corresponding to the second convex part, and the reinforcing piece is connected with the end of the second convex part.

[0007] The utility model further provides a sensor wire harness, which comprises the wire harness connection end sealing structure.

[0008] In an embodiment of the utility model, the first wire harness is located in the first wire hole, the end of the sleeve pipe is located in the connecting pipe and abuts against the sealing piece, the second wire harness is located in the sleeve pipe, and the second wire harness is connected with the first wire harness.

[0009] In one embodiment of the utility model, the first wire harness and the second wire harness are connected through the connecting piece, and the end portions of the first wire harness and the second wire harness are clamped with the connecting piece.

[0010] In one embodiment of the utility model, the connecting piece is provided with a first wire passing channel and a second wire passing channel, a first cutting groove is arranged on the connecting piece at a position corresponding to the first wire passing channel, a second cutting groove is arranged on the connecting piece at a position corresponding to the second wire passing channel, the end portion of the first wire harness is located in the first wire passing channel, and the end portion of the second wire harness is located in the second wire passing channel.

[0011] In one embodiment of the utility model, the connecting piece further comprises a transition channel, the transition channel is located between the first wire passing channel and the second wire passing channel, and the width of the transition channel gradually decreases from the first wire passing channel to the second wire passing channel.

[0012] In one embodiment of the utility model, the diameter of the second wire passing channel gradually increases away from the first wire passing channel at one end.

[0013] In one embodiment of the utility model, a positioning piece is sleeved on the sleeve, and one end of the positioning piece is provided with a clamping block.

[0014] The above technical scheme of the utility model has the following advantages compared with the prior art.

[0015] The wire harness connecting end sealing structure has the advantages that the first convex portion abuts against the sealing piece, so that the position of the sealing piece is fixed, the limiting plate is clamped with the sealing piece, so that the limiting plate can block the gap between the sealing piece and the inner wall of the connecting pipe, air can be prevented from entering the wire harness through the gap between the limiting plate and the connecting pipe when the wire harness moves or is used, the limiting plate can also extrude the sealing piece, so that the sealing piece is more closely attached to the connecting pipe, and the sealing property is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to make the content of the utility model more easily understood clearly, the utility model is further described in detail below according to specific embodiments of the utility model and in combination with the drawings.

[0017] Figure 1 is a structural schematic view of the wire harness connecting end sealing structure of the utility model;

[0018] Figure 2 is Figure 1 a sectional view of

[0019] Figure 3 is a structural diagram of a sensor wire harness;

[0020] Figure 4 is Figure 3 a sectional view;

[0021] Figure 5 is a structural diagram of a connecting piece.

[0022] The description of the drawings is as follows: 1, connecting pipe; 2, sealing piece; 3, first wire harness; 4, sleeve; 5, positioning piece; 6, pipe cap; 7, connecting piece; 8, second wire harness; 9, resistor; 11, first protruding part; 12, second protruding part; 13, reinforcing piece; 14, limiting plate; 21, first wire passing hole; 51, clamping block; 71, first wire passing channel; 72, first cutting groove; 73, transition channel; 74, second wire passing channel; 75, second cutting groove. DETAILED DESCRIPTION

[0023] The utility model will be further explained in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.

[0024] Embodiment one

[0025] Referring to Figure 1 and Figure 2 , a wire harness connecting end sealing structure of the utility model, comprising: sealing piece 2, the sealing piece 2 is equipped with first wire passing hole 21;Connecting pipe 1, the connecting pipe 1 is equipped with containing space in, the sealing piece 2 is located in the containing space, the connecting pipe 1 is equipped with the first protruding part 11 that protrudes to the containing space, the first protruding part 11 is with the sealing piece 2 is resisted, the end of the connecting pipe 1 is equipped with the limiting plate 14 that protrudes to the containing space, the limiting plate 14 is with the sealing piece 2 is clamped.

[0026] The wire harness connecting end sealing structure of the embodiment, by the first protruding part 11 and the sealing piece 2 is resisted, so that the sealing piece 2 position is fixed, by the limiting plate 14 and the sealing piece 2 is clamped, so that the limiting plate 14 can block the gap between the sealing piece 2 and the inner wall of the connecting pipe 1, when the wire harness moves or is used, air can be prevented from entering the wire harness by the gap between the limiting plate 14 and the connecting pipe 1, the limiting plate 14 can also extrude the sealing piece 2, so that the sealing piece 2 and the connecting pipe 1 are more closely fitted, and the sealing property is higher.

[0027] The sealing piece 2 is cylindrical as a whole, two first wire passing holes 21 are arranged through the middle position of the sealing piece 2, and the sealing piece 2 is made of a material that can elastically deform and isolate air.

[0028] The connecting pipe 1 is in a whole tubular shape, and the connecting pipe 1 is internally provided with a containing space in a cylindrical shape, and the sealing element 2 is located in the containing space and is attached to the inner wall of the connecting pipe 1.

[0029] The inner wall of the connecting pipe 1 is provided with a first protruding part 11 protruding towards the containing space, the first protruding part 11 is arranged along the circumference of the connecting pipe 1 and surrounds a whole circle, the first protruding part 11 is in a circular arc shape, the first protruding part 11 abuts against and extrudes the sealing element 2, so that the sealing element 2 is deformed under force, and then the position of the sealing element 2 is fixed, and the gap between the sealing element 2 and the connecting pipe 1 is blocked, so that the sealing performance is higher. After the sealing element 2 is located in the containing space of the connecting pipe 1, an external extrusion device is used to extrude the outer side wall of the connecting pipe 1, so as to form the first protruding part 11.

[0030] The end of the connecting pipe 1 is provided with a limiting plate 14 protruding towards the containing space, the connecting position of the limiting plate 14 and the connecting pipe 1 is in an arc shape, the end of the sealing element 2 is provided with a clamping groove clamped with the limiting plate 14, the limiting plate 14 can be inserted into the clamping groove, so that the limiting plate 14 is clamped with the sealing element 2, and since the limiting plate 14 is connected with the connecting pipe 1, the limiting plate 14 can block the gap between the sealing element 2 and the inner wall of the connecting pipe 1. The limiting plate 14 extrudes the side wall of the clamping groove, so as to extrude the sealing element 2, and then the sealing performance is improved.

[0031] The connecting pipe 1 is also provided with a second protruding part 12, the second protruding part 12 abuts against the sealing element 2, and the second protruding part 12 is arranged along the axial direction of the connecting pipe 1 and surrounds a whole circle. The cross section of the second protruding part 12 is in a trapezoidal shape, the second protruding part 12 corresponds to the position of the limiting plate 14, so that the second protruding part 12 can extrude the sealing element 2 between the limiting plate 14 and the second protruding part 12, and then the attachment between the sealing element 2 and the limiting plate 14 is more compact, and the sealing performance is higher. After the sealing element 2 is located in the containing space of the connecting pipe 1, an external extrusion device is used to extrude the outer side wall of the connecting pipe 1, so as to form the second protruding part 12.

[0032] The side wall of the connecting pipe 1 is connected with a reinforcing element 13 at the position corresponding to the second protruding part 12, the reinforcing element 13 is located on the outer side wall of the connecting pipe 1, the two ends of the reinforcing element 13 are respectively connected with the two ends of the second protruding part 12, and the arrangement of the reinforcing element 13 makes the overall strength of the connecting pipe 1 higher, so as to prevent the connecting pipe 1 from being broken at the position of the second protruding part 12.

[0033] Embodiment two

[0034] Referring to Figure 3 It is shown that the embodiment provides a sensor wire harness, which comprises the wire harness connecting end sealing structure in embodiment one.

[0035] Referring to Figure 4As shown, the sensor wire harness further comprises a first wire harness 3, a sleeve 4 and a second wire harness 8, two first wire harnesses 3 are respectively located in two first wire passing holes 21, the end of the sleeve 4 is located in the connecting pipe 1 and abuts against the sealing element 2. The sleeve 4 is provided with two second wire passing holes and is in position correspondence with the first wire passing hole 21, the second wire harness 8 is located in the second wire passing hole of the sleeve 4, and the second wire harness 8 is connected with the first wire harness 3.

[0036] Referring to Figure 5 As shown, the first wire harness 3 and the second wire harness 8 are connected through the connecting element 7, and the ends of the first wire harness 3 and the second wire harness 8 are clamped with the connecting element 7. Specifically, the connecting element 7 is provided with a first wire passing channel 71 and a second wire passing channel 74, the connecting element 7 is provided with a first cutting groove 72 at a position corresponding to the first wire passing channel 71, the connecting element 7 is provided with a second cutting groove 75 at a position corresponding to the second wire passing channel 74, the end of the first wire harness 3 is located in the first wire passing channel 71, and the end of the second wire harness 8 is located in the second wire passing channel 74. By extruding the positions of the first wire passing channel 71 and the second wire passing channel 74 through an external extruding device, the width of the first cutting groove 72 and the second cutting groove 75 is reduced, the diameter of the first wire passing channel 71 and the second wire passing channel 74 is reduced, and then the inner wall of the first wire passing channel 71 abuts against the first wire harness 3, the inner wall of the second wire passing channel 74 abuts against the second wire harness 8, the position of the first wire harness 3 and the second wire harness 8 is fixed, and the first wire harness 3 and the second wire harness 8 can be connected through the connecting element 7. The connecting element 7 further comprises a transition channel 73 located between the first wire passing channel 71 and the second wire passing channel 74. Since the diameter of the first wire harness 3 is greater than the diameter of the second wire harness 8, the width of the transition channel 73 gradually decreases from the first wire passing channel 71 to the second wire passing channel 74. The transition channel 73 is used to adjust the position of the first wire harness 3 and the second wire harness 8, and can also make the first wire harness 3 and the second wire harness 8 fit more closely with the connecting element 7. The diameter of the end of the second wire passing channel 74 away from the first wire passing channel 71 gradually increases away from the first wire passing channel 71, that is, the end of the second wire passing channel 74 away from the first wire passing channel 71 is tapered, so as to guide the second wire harness 8 into the second channel, facilitating the second wire harness 8 to extend into the second channel.

[0037] The sleeve 4 is sleeved with a positioning element 5, one end of the positioning element 5 is provided with a clamping block 51, the diameter of the clamping block 51 is greater than the diameter of the positioning element 5, and the positioning element 5 is used for positioning and clamping with an external device.

[0038] The end of the second wire harness 8 away from the connecting element 7 is connected with a resistor 9, the end of the sleeve 4 away from the connecting pipe 1 is sleeved with a pipe cap 6, the resistor 9 is located in the pipe cap 6, and the pipe cap 6, the second wire harness 8 and the resistor 9 constitute a detection end of the sensor wire harness.

[0039] The utility model discloses a kind of harness connection end sealing structures, by first convex part 11 and sealing element 2 are resisted, to make sealing element 2 position fixed, by spacer plate 14 and sealing element 2 are clamped, to make spacer plate 14 can block the gap between sealing element 2 and the inner wall of connecting pipe 1, when harness moves or uses, air can be prevented by the gap between spacer plate 14 and connecting pipe 1 into harness, spacer plate 14 can also extrude sealing element 2, to make the fit of sealing element 2 and connecting pipe 1 more closely, and higher sealing performance.

[0040] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the embodiments. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A wiring harness connector end seal structure characterized by, The application relates to a wire harness connection end sealing structure. The sealing member is provided with a first wire passing hole. The connecting pipe is provided with a containing space, and the sealing member is located in the containing space.

2. The wiring harness connector end seal structure of claim 1, wherein: The connecting pipe is provided with a first protruding part protruding towards the containing space.

3. The wiring harness connector end seal structure of claim 2, wherein: The end of the connecting pipe is provided with a limiting plate protruding towards the containing space.

4. A sensor harness characterized by, The connecting pipe is also provided with a second protruding part.

5. The sensor harness of claim 4, wherein: The second protruding part is located in position corresponding to the limiting plate.

6. The sensor harness of claim 5, wherein: The side wall of the connecting pipe is connected with a reinforcing part corresponding to the position of the second protruding part.

7. The sensor harness of claim 6, wherein: The reinforcing part is connected with the end of the second protruding part.

8. The sensor harness of claim 7, wherein: The wire harness connection end sealing structure is provided in any one of claims 1-3.

9. The sensor harness of claim 7, wherein: The first wire harness is located in the first wire passing hole.

10. The sensor harness of claim 5, wherein: The end of the sleeve is located in the connecting pipe and abuts against the sealing member. The second wire harness is located in the sleeve. The first wire harness and the second wire harness are connected through a connecting piece. The end of the first wire harness and the end of the second wire harness are connected with the connecting piece. The connecting piece is provided with a first wire passing channel and a second wire passing channel. The connecting piece is provided with a first cutting groove corresponding to the first wire passing channel. The connecting piece is provided with a second cutting groove corresponding to the second wire passing channel. The end of the first wire harness is located in the first wire passing channel. The end of the second wire harness is located in the second wire passing channel. The connecting piece is also provided with a transition channel. The width of the transition channel gradually decreases from the first wire passing channel to the second wire passing channel. The diameter of the second wire passing channel gradually increases away from the first wire passing channel. The sleeve is provided with a positioning piece. One end of the positioning piece is provided with a clamping block.

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