Wire harness rubber plug and vehicle lamp

Abstract

The application provides a wire harness rubber plug and a vehicle lamp, and relates to the technical field of vehicle sealing structures. The wire harness rubber plug comprises a plug body, the plug body has a wire passing hole, the outer periphery of the plug body has a first groove, the plug body has a first end portion and a second end portion arranged oppositely, the first end portion is used for penetrating through a mounting hole, the second end portion is provided with an annular groove on the side surface opposite to the first end portion, the annular groove extends around the center line of the wire harness rubber plug for one turn, in the process of installing the wire harness, the wire harness is first penetrated through the wire passing hole on the plug body, then the first end portion of the plug body is penetrated through the mounting hole, so that the wall surface limiting the mounting hole is clamped in the first groove, and in the process of penetrating the plug body in the mounting hole, the plug body can be deformed into the annular groove, the plug body is conveniently extruded and deformed inwardly, and the wire harness rubber plug is conveniently inserted into the mounting hole.

Description

Technical Field

[0001] This application relates to the field of vehicle sealing structure technology, and in particular to a wiring harness rubber plug and a vehicle lamp. Background Technology

[0002] Currently, automobiles contain many electronic components, which are connected by wiring harnesses. These harnesses pass through openings in the housing, making it easy for water, dust, and other debris to seep into the housing through the gaps between the wiring harness and the walls of the openings. In related technologies, when installing a wire harness, the wire harness is first passed through the through hole of a rubber plug, and then the rubber plug is inserted into the hole on the fitting to seal the gap between the wire harness and the hole wall. However, the size of the rubber plug is larger than the diameter of the hole, making it difficult to insert the rubber plug into the hole. Utility Model Content

[0003] In view of this, embodiments of this application provide a wiring harness rubber plug and a vehicle lamp to solve the technical problem that the rubber plug is difficult to insert into the opening.

[0004] In a first aspect, this application provides a wire harness rubber plug, which is used for insertion into a mounting hole, and the wire harness rubber plug includes: The plug body has a wire hole, and the outer periphery of the plug body has a first groove. The plug body has a first end and a second end that are arranged opposite to each other. The first end is used to pass through the mounting hole, and the second end has an annular groove on the side facing away from the first end. The annular groove extends around the center line of the wire harness rubber plug.

[0005] Thus, an annular groove is provided on the side of the second end facing away from the first end. The annular groove extends around the center line of the wire harness rubber plug. During the process of the plug body being inserted into the mounting hole, the wall of the mounting hole will squeeze the outer circumference of the plug body, causing the plug body to be squeezed and deformed inward. That is, the plug body can deform into the annular groove, thereby reducing the friction between the plug body and the wall of the mounting hole, so that the operator can easily insert the plug body into the mounting hole.

[0006] It should be noted that the bottom surface of the annular groove is located at the first end and the second end. When the wire harness rubber plug is inserted into the mounting hole, the bottom surface of the annular groove is located inside the mounting hole. Thus, when the wall of the mounting hole presses against the outer circumferential surface of the plug body, the part of the plug body that deforms inward can be squeezed into the annular groove.

[0007] In addition, the annular groove does not reduce the outer contour size of the plug body. When the plug body is inserted into the mounting hole, it can still form an interference fit with the mounting hole, so that the plug body is stably inserted into the mounting hole. Even if it is affected by factors such as vibration and bumps, the plug body is not easy to come out of the mounting hole.

[0008] Secondly, since the annular groove extends around the center line of the rubber plug of the wire harness, the annular groove can divide the second end into two parts, namely, the second end includes a first part and a second part. The first part is an annular structure, and the second part is a columnar structure. The first part extends around the second part, and multiple wire holes are located in the second part. When the wire harness is pulled along the first direction, which is the direction from the first end to the second end, the second part will be subjected to a force along the first direction, causing the second part to tend to move along the first direction. The second part will then drive the first part to move in the opposite direction to the first direction, so that the second part and the first end are more firmly clamped and define the wall of the mounting hole. Thus, the plug body can be inserted more stably into the mounting hole, further preventing the plug body from coming out of the mounting hole.

[0009] As an optional implementation, the annular groove extends to the first end along the groove depth direction.

[0010] Thus, during the process of the first end passing through the mounting hole, the wall of the mounting hole will squeeze the outer peripheral surface of the first end, causing the first end to deform inward, that is, the first end to deform into the annular groove, thereby reducing the friction between the first end and the wall of the mounting hole, making it easy for the first end to pass through the mounting hole, and further facilitating the operator to insert the plug body into the mounting hole.

[0011] As an optional implementation, the annular groove is provided with reinforcing ribs, which connect the opposite two groove walls of the annular groove.

[0012] This increases the structural strength of the second end, further increasing the structural strength of the wire harness rubber plug and preventing the wire harness rubber plug from cracking due to insufficient rigidity after the annular groove is set.

[0013] As an optional implementation, the first end has a first guide surface, which extends around the center line of the wire harness rubber plug, and the distance between the first guide surface and the center line of the wire harness rubber plug is d1. Wherein, d1 gradually increases along the direction from the first end toward the second end, and the first guide surface is used to guide the first end into the mounting hole.

[0014] Thus, the distance between the first guide surface and the center line of the wire harness rubber plug is d1, and d1 gradually increases along the direction from the first end to the second end. When the wire harness rubber plug needs to be inserted into the mounting hole, the smaller part of the first end extends into the mounting hole first, and the first guide surface contacts the hole wall that defines the mounting hole. The first guide surface can guide the first end to be inserted into the mounting hole, thereby facilitating the insertion of the wire harness rubber plug into the mounting hole.

[0015] It should be noted that the mounting hole is a circular hole, the minimum value of d1 must be less than the radius of the mounting hole, and the maximum value of d1 must be greater than the radius of the mounting hole. Thus, during the process of inserting the rubber plug of the wire harness into the mounting hole, the part of the first end that is away from the second end can easily extend into the mounting hole and contact the hole wall that defines the mounting hole by the first guide surface. After the first end passes through the mounting hole, the first end can clamp the wall surface that defines the mounting hole with the second end.

[0016] As an optional implementation, the second end has a first outer surface that extends around the center line of the wire harness rubber plug, and the distance between the first outer surface and the center line of the wire harness rubber plug is d2. In the direction from the first end to the second end, d2 gradually decreases, and the maximum value of d2 is greater than the maximum value of d1.

[0017] Thus, the distance between the first outer surface and the center line of the wire harness rubber plug is d2. Along the direction from the first end to the second end, d2 gradually decreases. That is, the position of the largest d2 on the second end is set close to the first end, while the position of the largest d1 on the first end is set close to the second end. Therefore, when the wire harness rubber plug is inserted into the mounting hole, the first end and the second end can more stably clamp the housing that defines the mounting hole.

[0018] When the wire harness rubber plug is inserted into the mounting hole and the wire harness is pulled from the first end toward the second end, the first end will abut against the housing that defines the mounting hole, and the second end will also abut against the housing that defines the mounting hole. The second end abuts against the housing at the position furthest from the center line of the wire harness rubber plug. When the maximum value of d2 is greater than the maximum value of d1, the second end and the first end can clamp the housing more stably without increasing the difficulty of inserting the first end into the mounting hole. Thus, the wire harness rubber plug can simultaneously take into account both the convenience of insertion and the stability of fixation.

[0019] As an optional implementation, the first groove is provided with a plurality of annular protrusions, the annular protrusions extending around the center line of the wire harness rubber plug, and the plurality of annular protrusions are arranged along the extension direction of the center line of the wire harness rubber plug. When the wire harness rubber plug is inserted into the mounting hole, the annular protrusion is used to contact the hole wall of the mounting hole to form a seal.

[0020] Thus, when the wire harness rubber plug is inserted into the mounting hole, the annular protrusion can contact the hole wall to achieve a sealing contact, which can further improve the airtightness of the assembly between the wire harness rubber plug and the mounting hole.

[0021] As an optional implementation, the outer diameter of the annular protrusion is larger than the diameter of the mounting hole, so that the annular protrusion and the wall of the mounting hole form an interference fit.

[0022] Thus, when the wire harness rubber plug is inserted into the mounting hole, the hole wall of the mounting hole is located in the first groove, and the annular protrusion can form an interference fit with the hole wall of the mounting hole, thereby enhancing the sealing performance between the wire harness rubber plug and the mounting hole.

[0023] As an optional implementation, a hollow groove is provided on the side of the first end facing away from the second end, and the hollow groove is connected to the wire hole.

[0024] Thus, during the process of inserting the first end into the mounting hole, the wall of the mounting hole can directly squeeze the first end, causing the inner side of the first end to be concave and deformed towards the hollow groove, thereby greatly reducing the size of the first end, allowing the first end to pass smoothly through the mounting hole. After the first end passes through the mounting hole, the first end will automatically reset and then snap onto the inner side of the lamp housing. Furthermore, the first end can clamp the lamp housing with the second end, making it difficult for the wire harness rubber plug to detach from the mounting hole.

[0025] As an optional implementation, the width of the first groove is smaller than the axial dimension of the mounting hole; When the wire harness rubber plug is inserted into the mounting hole, it defines the housing of the mounting hole and the first groove in an interference fit.

[0026] Thus, when the wire harness rubber plug is inserted into the mounting hole, the housing of the mounting hole is interference-fitted with the first groove, that is, the first end will abut against the housing, and the second end will also abut against the housing, so that the wire harness rubber plug is not easy to detach from the mounting hole.

[0027] Secondly, this application also provides a vehicle lamp, including a lamp housing and the aforementioned wiring harness rubber plug, wherein the lamp housing has a mounting hole and the wiring harness rubber plug is inserted into the mounting hole.

[0028] The vehicle light provided in this application has better performance by using the aforementioned wiring harness rubber plug. Attached Figure Description

[0029] Figure 1A three-dimensional structural schematic diagram of the rubber plug for the wire harness provided in an embodiment of this application; Figure 2 A side view of the wire harness rubber plug provided in an embodiment of this application; Figure 3 This is a schematic diagram of the structure of the wire harness rubber plug inserted into the mounting hole according to an embodiment of this application.

[0030] Explanation of reference numerals in the attached figures: 10. Wire harness rubber plug; 11. Plug body; 12. Wire through hole; 13. First groove; 14. First end; 141. First guide surface; 15. Second end; 151. First outer surface; 16. Annular groove; 17. Reinforcing rib; 18. Hollow groove; 20. Lamp housing; 21. Mounting hole. Detailed Implementation

[0031] The technical solutions in this application will be clearly and thoroughly described below with reference to the accompanying drawings. In the description of the embodiments of this application, unless otherwise stated, " / " means "or," for example, A / B can mean A or B. "And / or" in the text is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Furthermore, in the description of the embodiments of this application, "multiple" refers to two or more than two.

[0032] Hereinafter, the terms "first" and "second" are used for descriptive purposes only and should not be construed as implying or suggesting relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0033] In the automotive manufacturing industry, automotive wiring harnesses, as a key component of the electrical system, undertake the important task of transmitting electrical energy and signals. The installation quality of automotive wiring harnesses directly affects the electrical performance, reliability, and safety of the entire vehicle.

[0034] In related technologies, when installing automotive wiring harnesses, the wiring harness must first be threaded through the wire hole of the rubber plug, and then the rubber plug is inserted into the mounting hole on the housing. The rubber plug and the mounting hole are fitted with an interference fit, which can ensure that the wiring harness maintains a stable position during vehicle operation and avoids damage to the wiring caused by factors such as shaking and friction. At the same time, it can also effectively improve the vehicle's sealing performance, preventing external moisture, dust and other impurities from entering the electrical system, thereby ensuring the normal operation of electrical components.

[0035] However, current rubber plugs struggle to simultaneously achieve both ease of insertion and secure fixation. Specifically, because the outer dimensions of the rubber plug are typically larger than the diameter of the mounting hole, significant friction is generated between the rubber plug and the hole wall when inserting it, making it difficult for the operator to accurately insert the plug into the designated position. Conversely, while reducing the size of the rubber plug makes insertion easier, it is prone to slipping out of the mounting hole during vehicle operation due to vibrations and bumps.

[0036] Based on this, this application provides a wiring harness rubber plug 10 and a vehicle lamp. The wiring harness rubber plug 10 includes a plug body 11. The second end 15 of the plug body 11 is provided with an annular groove 16, and the annular groove 16 extends around the center line of the wiring harness rubber plug 10. When installing the wiring harness, the wiring harness is first passed through the wire hole 12 on the plug body 11, and then the first end 14 of the plug body 11 is passed through the mounting hole 21, so that the wall of the mounting hole 21 is engaged in the first groove 13. During the process of the plug body 11 being passed through the mounting hole 21, the plug body 11 can deform into the annular groove 16, which facilitates the inward compression deformation of the plug body 11, making it easier for the wiring harness rubber plug 10 to be inserted into the mounting hole 21.

[0037] The embodiments of this application will be described in detail below with reference to the accompanying drawings and specific implementation details.

[0038] Please see Figures 1 to 3 , Figure 1 This is a three-dimensional structural diagram of the wire harness rubber plug provided in an embodiment of this application. Figure 2 This is a side view of the wire harness rubber plug provided in an embodiment of this application. Figure 3 This is a schematic diagram of the structure of the wire harness rubber plug inserted into the mounting hole according to an embodiment of this application.

[0039] As shown in the figure, this embodiment provides a wire harness rubber plug 10 for insertion into a mounting hole 21. The wire harness rubber plug 10 includes a plug body 11, the plug body 11 has a wire through hole 12, the outer periphery of the plug body 11 has a first groove 13, the plug body 11 has a first end 14 and a second end 15 disposed opposite to each other, the first end 14 is used to pass through the mounting hole 21, and the second end 15 has an annular groove 16 on the side facing away from the first end 14, the annular groove 16 extends around the center line of the wire harness rubber plug 10.

[0040] Optionally, the plug body 11 may be provided with multiple wire-passing holes 12, which are arranged around the center line of the wire harness rubber plug 10. The wire-passing holes 12 pass through the opposite ends of the plug body 11 and allow the wire harness to pass through. Taking the installation of a wire harness on a vehicle lamp as an example, when installing the wire harness, first pass the wire harness through the wire-passing hole 12, and then insert the plug body 11 into the mounting hole 21 on the lamp housing 20 so that the wire harness can be fixed in the mounting hole 21. One end of the wire harness is electrically connected to the lamp board inside the lamp housing 20, and the other end of the wire harness is electrically connected to the power supply outside the lamp housing 20, which can easily fix the wire harness.

[0041] In this embodiment, the first end 14 and the second end 15 are the opposite ends of the plug body 11. The middle part of the plug body 11 is cylindrical, and the radial dimension of the first end 14 is larger than the radial dimension of the middle part of the plug body 11, and the radial dimension of the second end 15 is also larger than the radial dimension of the middle part of the plug body 11. This allows a first groove 13 to be formed on the outer periphery of the plug body 11. When the plug body 11 is inserted into the mounting hole 21, the wall surface of the mounting hole 21 is engaged in the first groove 13. That is, the first end 14 and the second end 15 clamp and define the wall surface of the mounting hole 21, so that the plug body 11 can be inserted more stably into the mounting hole 21, and the plug body 11 can also be prevented from coming out of the mounting hole 21.

[0042] An annular groove 16 is provided on the side of the second end 15 facing away from the first end 14. The annular groove 16 extends around the center line of the wire harness rubber plug 10. During the process of the plug body 11 being inserted into the mounting hole 21, the hole wall of the mounting hole 21 will squeeze the outer peripheral surface of the plug body 11, causing the plug body 11 to be squeezed and deformed into the annular groove 16, thereby reducing the friction between the plug body 11 and the hole wall of the mounting hole 21, so that the operator can easily insert the plug body 11 into the mounting hole 21.

[0043] It should be noted that the bottom surface of the annular groove 16 is located at the first end 14 and the second end 15. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the bottom surface of the annular groove 16 is located inside the mounting hole 21. Thus, when the wall of the mounting hole 21 presses against the outer circumferential surface of the plug body 11, the part of the plug body 11 that deforms inward can be pressed into the annular groove 16.

[0044] In addition, the annular groove 16 does not reduce the outer contour size of the plug body 11. When the plug body 11 is inserted into the mounting hole 21, the plug body 11 can still form an interference fit with the mounting hole 21, so that the plug body 11 is stably inserted into the mounting hole 21, and even if it is affected by factors such as vibration and bumps, the plug body 11 is not easy to come out of the mounting hole 21.

[0045] Secondly, since the annular groove 16 extends around the center line of the wire harness rubber plug 10, the annular groove 16 can divide the second end 15 into two parts, namely, the second end 15 includes a first part and a second part. The first part is an annular structure, and the second part is a columnar structure. The first part extends around the second part, and multiple wire holes 12 are located in the second part. When the wire harness is pulled along the first direction, which is the direction from the first end 14 to the second end 15, the second part will be subjected to a force along the first direction, causing the second part to tend to move along the first direction. The second part will then drive the first part to move in the opposite direction to the first direction, so that the second part and the first end 14 are more firmly clamped and define the wall of the mounting hole 21. Thus, the plug body 11 can be inserted more stably into the mounting hole 21, further preventing the plug body 11 from coming out of the mounting hole 21.

[0046] In some embodiments, the annular groove 16 extends to the first end 14 along the groove depth direction.

[0047] Optionally, the groove depth direction of the annular groove 16 is the same as the direction of the second end 15 toward the first end 14. When the annular groove 16 extends to the first end 14, during the process of the first end 14 passing through the mounting hole 21, the hole wall of the mounting hole 21 will squeeze the outer peripheral surface of the first end 14, causing the first end 14 to be squeezed and deformed into the annular groove 16, thereby reducing the friction between the first end 14 and the hole wall of the mounting hole 21, so that the first end 14 can easily pass through the mounting hole 21, further facilitating the operator to insert the plug body 11 into the mounting hole 21.

[0048] It should be noted that the annular groove 16 should not extend too far toward the first end 14. If the annular groove 16 extends too far toward the first end 14, the structural strength of the wire harness rubber plug 10 will be weakened, making the wire harness rubber plug 10 easy to damage.

[0049] Please see Figure 1 In some embodiments, the annular groove 16 is provided with reinforcing ribs 17, which connect the opposite two groove walls of the annular groove 16.

[0050] Optionally, the annular groove 16 divides the second end 15 into two parts, that is, the second end 15 includes a first part and a second part. The first part is an annular structure and the second part is a columnar structure. The first part extends around the second part in a circle, and an annular groove 16 is formed between the first part and the second part. The reinforcing rib 17 can connect the first part and the second part, thereby increasing the structural strength of the second end 15.

[0051] In this embodiment, there are four reinforcing ribs 17. The four reinforcing ribs 17 are arranged around the second part, and all four reinforcing ribs 17 are connected to the first part and the second part. This can increase the structural strength of the second end 15, further increase the structural strength of the wire harness rubber plug 10, and prevent the wire harness rubber plug 10 from cracking due to insufficient rigidity after the annular groove 16 is provided.

[0052] Please see Figure 2 In some embodiments, the first end 14 has a first guide surface 141 that extends around the center line of the wire harness rubber plug 10, and the distance between the first guide surface 141 and the center line of the wire harness rubber plug 10 is d1. d1 gradually increases along the direction from the first end 14 to the second end 15, and the first guide surface 141 is used to guide the first end 14 into the mounting hole 21.

[0053] Optionally, the first guide surface 141 is the outer surface of the first end 14, and the first guide surface 141 extends around the center line of the wire harness rubber plug 10, so that the first guide surface 141 can form the outer contour shape of the first end 14. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the first guide surface 141 first contacts the hole wall that defines the mounting hole 21.

[0054] In this embodiment, the distance between the first guide surface 141 and the center line of the wire harness rubber plug 10 is d1, and d1 gradually increases along the direction from the first end 14 to the second end 15. When the wire harness rubber plug 10 needs to be inserted into the mounting hole 21, the smaller part of the first end 14 first extends into the mounting hole 21, and the first guide surface 141 contacts the hole wall that defines the mounting hole 21. The first guide surface 141 can guide the first end 14 to be inserted into the mounting hole 21, thereby facilitating the insertion of the wire harness rubber plug 10 into the mounting hole 21.

[0055] It should be noted that the mounting hole 21 is a circular hole, the minimum value of d1 is smaller than the radius of the mounting hole 21, and the maximum value of d1 is larger than the radius of the mounting hole 21. Thus, during the process of inserting the wire harness rubber plug 10 into the mounting hole 21, the part of the first end 14 away from the second end 15 can easily extend into the mounting hole 21 and contact the hole wall defining the mounting hole 21 by the first guide surface 141. After the first end 14 passes through the mounting hole 21, the first end 14 can clamp the wall surface defining the mounting hole 21 with the second end 15.

[0056] Please see Figure 2 and Figure 3In some embodiments, the second end 15 has a first outer surface 151 that extends around the center line of the wire harness rubber plug 10, and the distance between the first outer surface 151 and the center line of the wire harness rubber plug 10 is d2, wherein d2 gradually decreases along the direction from the first end 14 toward the second end 15, and the maximum value of d2 is greater than the maximum value of d1.

[0057] Optionally, the first outer surface 151 can form the outer contour shape of the second end 15, and the size of the second outer surface determines the outer contour size of the second end 15. In this embodiment, the distance between the first outer surface 151 and the center line of the wire harness rubber plug 10 is d2. Along the direction from the first end 14 to the second end 15, d2 gradually decreases. That is, the position with the largest d2 on the second end 15 is set close to the first end 14, while the position with the largest d1 on the first end 14 is set close to the second end 15. Thus, when the wire harness rubber plug 10 is inserted into the mounting hole 21, the first end 14 and the second end 15 can more stably clamp the housing that defines the mounting hole 21.

[0058] When the wire harness rubber plug 10 is inserted into the mounting hole 21 and the wire harness is pulled along the direction from the first end 14 toward the second end 15, the first end 14 will abut against the housing defining the mounting hole 21 under the action of the wire harness, and the second end 15 will also abut against the housing defining the mounting hole 21. The second end 15 abuts against the housing at the position furthest from the center line of the wire harness rubber plug 10. When the maximum value of d2 is greater than the maximum value of d1, the second end 15 and the first end 14 can clamp the housing more stably, and the difficulty of inserting the first end 14 into the mounting hole 21 will not be increased. Thus, the wire harness rubber plug 10 can simultaneously take into account the convenience of insertion and the stability of fixation.

[0059] To further improve the airtightness of the assembly between the wire harness rubber plug 10 and the mounting hole 21, in some embodiments, a plurality of annular protrusions are provided in the first groove 13. The annular protrusions extend around the center line of the wire harness rubber plug 10, and the plurality of annular protrusions are arranged along the extension direction of the center line of the wire harness rubber plug 10. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the annular protrusions are used to contact the hole wall of the mounting hole 21 to form a seal.

[0060] In this embodiment, multiple annular protrusions can be disposed on the bottom surface of the first groove 13, and the multiple annular protrusions are arranged along the extension direction of the center line of the wire harness rubber plug 10. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the annular protrusions can contact the hole wall of the mounting hole 21 to achieve a sealed contact, which can further improve the airtightness of the assembly between the wire harness rubber plug 10 and the mounting hole 21.

[0061] In some other embodiments, an annular protrusion may also be provided on the sidewall of the first groove 13. The first groove 13 includes a first groove side surface and a second groove side surface connected to the bottom surface of the groove. The first groove side surface and the second groove side surface are arranged opposite to each other, and both the first groove side surface and the second groove side surface are planar. An annular protrusion may be provided on the first groove side surface, and another annular protrusion may be provided on the second groove side surface. The two annular protrusions are arranged along the extension direction of the center line of the wire harness rubber plug 10. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the two annular protrusions abut against the opposite two sides of the housing respectively. The mounting hole 21 is provided on the housing, which can also achieve a sealing contact and improve the airtightness of the assembly of the wire harness rubber plug 10 and the mounting hole 21.

[0062] In some embodiments, the outer diameter of the annular protrusion is larger than the diameter of the mounting hole 21, so that the annular protrusion and the wall of the mounting hole 21 form an interference fit.

[0063] Optionally, multiple annular protrusions are provided on the bottom surface of the first groove 13, and the outer diameter of the annular protrusions is larger than the diameter of the mounting hole 21. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the hole wall of the mounting hole 21 is located in the first groove 13, and the annular protrusions can form an interference fit with the hole wall of the mounting hole 21, thereby enhancing the sealing performance between the wire harness rubber plug 10 and the mounting hole 21.

[0064] In some other embodiments, an annular protrusion is provided on the groove sidewall of the first groove 13, and the outer diameter of the annular protrusion is larger than the diameter of the mounting hole 21. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the hole wall of the mounting hole 21 is located in the first groove 13, and the annular protrusion can abut against the housing with the mounting hole 21, so that the annular protrusion and the side of the housing form an interference fit assembly, which can also enhance the sealing performance between the wire harness rubber plug 10 and the mounting hole 21.

[0065] Please see Figure 3 In some embodiments, a hollow groove 18 is provided on the side of the first end 14 facing away from the second end 15, and the hollow groove 18 is connected to the wire hole.

[0066] Specifically, when installing the wire harness, the wire harness is first passed through the wire hole 12, forming a sealed contact between the wire harness and the wire hole 12. Then, the wire harness rubber plug 10 is inserted into the mounting hole 21. At this time, since the side of the first end 14 facing away from the second end 15 has a hollow groove 18, during the process of inserting the first end 14 into the mounting hole 21, the hole wall of the mounting hole 21 can directly squeeze the first end 14, causing the inner side of the first end 14 to be concave and deformed towards the hollow groove 18, thereby greatly reducing the size of the first end 14, so that the first end 14 can pass smoothly through the mounting hole 21. After the first end 14 passes through the mounting hole 21, the first end 14 will automatically reset and then be snapped against the inner side of the lamp housing 20. The first end 14 can clamp the lamp housing 20 with the second end 15, so that the wire harness rubber plug 10 is not easy to fall off from the mounting hole 21.

[0067] In this way, the wire harness rubber plug 10 can be easily and conveniently installed in the mounting hole 21, and the wire harness rubber plug 10 can be stably installed in the mounting hole 21. The wire harness rubber plug 10 takes into account both the convenience of insertion and the stability of fixation, and can also ensure airtightness and waterproof performance. In addition, the hollow groove 18 is connected to the wire passage hole 12, which makes it easier for the wire harness to be passed through the wire passage hole 12.

[0068] Please see Figure 3 In some embodiments, the width of the first groove 13 is smaller than the axial dimension of the mounting hole 21, wherein when the wire harness rubber plug 10 is inserted into the mounting hole 21, the housing of the mounting hole 21 is defined to be interference-fitted with the first groove 13.

[0069] Optionally, the width of the first groove 13 is smaller than the axial dimension of the mounting hole 21. When the wire harness rubber plug 10 is inserted into the mounting hole 21, the housing of the mounting hole 21 is defined to be in an interference fit with the first groove 13, that is, the first end 14 will abut against the housing, and the second end 15 will also abut against the housing, so that the wire harness rubber plug 10 is not easy to detach from the mounting hole 21.

[0070] This embodiment also provides a vehicle lamp, which includes a lamp housing 20 and a wiring harness rubber plug 10 as described above. The lamp housing 20 has a mounting hole 21, and the wiring harness rubber plug 10 is inserted into the mounting hole 21.

[0071] Optionally, the headlights are mounted on the vehicle body. The headlights should also include a lamp holder and / or lamp cover that connect to the vehicle body. No specific restrictions are placed on the structure of the headlights. Generally, to improve the overall assembly efficiency of the vehicle and to facilitate future maintenance of the headlights, a detachable connection method is used between the headlights and the vehicle body, such as using threaded fasteners like screws or clips. No specific restrictions are placed on the connection method between the headlights and the vehicle body.

[0072] It should be noted that the vehicle light provided in this embodiment should also include other components that enable the vehicle light to operate normally. Here, other modules or components will not be described one by one.

[0073] The vehicle light provided in this embodiment uses the aforementioned wiring harness rubber plug 10, which makes it easier to install the wiring harness on the vehicle light and prevents the wiring harness from detaching from the vehicle light.

[0074] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A rubber plug for a wire harness, characterized in that, For insertion into the mounting hole, the wire harness rubber plug includes: The plug body has a wire hole, and the outer periphery of the plug body has a first groove. The plug body has a first end and a second end that are arranged opposite to each other. The first end is used to pass through the mounting hole, and the second end has an annular groove on the side facing away from the first end. The annular groove extends around the center line of the wire harness rubber plug.

2. The wire harness rubber plug according to claim 1, characterized in that, Along the groove depth direction of the annular groove, the annular groove extends to the first end.

3. The wire harness rubber plug according to claim 1, characterized in that, The annular groove is provided with reinforcing ribs, which connect the opposite two groove walls of the annular groove.

4. The wire harness rubber plug according to claim 1, characterized in that, The first end has a first guide surface, which extends around the center line of the wire harness rubber plug, and the distance between the first guide surface and the center line of the wire harness rubber plug is d1. Wherein, d1 gradually increases along the direction from the first end toward the second end, and the first guide surface is used to guide the first end into the mounting hole.

5. The wire harness rubber plug according to claim 4, characterized in that, The second end has a first outer surface, which extends around the center line of the wire harness rubber plug, and the distance between the first outer surface and the center line of the wire harness rubber plug is d2. In the direction from the first end to the second end, d2 gradually decreases, and the maximum value of d2 is greater than the maximum value of d1.

6. The wire harness rubber plug according to claim 1, characterized in that, The first groove is provided with a plurality of annular protrusions, which extend around the center line of the wire harness rubber plug, and the plurality of annular protrusions are arranged along the extension direction of the center line of the wire harness rubber plug. When the wire harness rubber plug is inserted into the mounting hole, the annular protrusion is used to contact the hole wall of the mounting hole to form a seal.

7. The wire harness rubber plug according to claim 6, characterized in that, The outer diameter of the annular protrusion is larger than the diameter of the mounting hole, so that the annular protrusion and the wall of the mounting hole form an interference fit.

8. The wire harness rubber plug according to claim 1, characterized in that, A hollow groove is provided on the side of the first end facing away from the second end, and the hollow groove is connected to the wire hole.

9. The wire harness rubber plug according to claim 1, characterized in that, The width of the first groove is smaller than the axial dimension of the mounting hole; When the wire harness rubber plug is inserted into the mounting hole, it defines the housing of the mounting hole and the first groove in an interference fit.

10. A vehicle light, characterized in that, include: The lamp housing has mounting holes; The wire harness rubber plug as described in any one of claims 1-9, wherein the wire harness rubber plug is inserted into the mounting hole.

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