CN219018010U - Connector protective sleeve - Google Patents

Abstract

The utility model discloses a connector protective sleeve, which comprises a protective sleeve body, wherein a first accommodating cavity and a second accommodating cavity for accommodating a wire harness are formed in the protective sleeve body; the protective sleeve body is stepped along the first direction, so that the first accommodating cavity and the second accommodating cavity have a height difference in the first direction; the first accommodating cavity is provided with a first opening end for inserting the connector, and the second accommodating cavity is provided with a second opening end for leading out the wire harness connected with the connector; the first accommodating cavity and the second accommodating cavity are arranged in parallel in the first direction and are communicated, and the first opening end and the second opening end are located on the same side of the protective sleeve body. The utility model can meet the installation and function requirements in the surrounding environment of the specific chassis, avoid potential interference risks among components, and reduce the falling risk of the connector protective sleeve, thereby ensuring the reliability of the performance of the wire harness product.

Description

Connector protective sleeve

Technical Field

The utility model relates to the technical field of vehicles, in particular to a connector protective sleeve.

Background

In the prior art, the connector at the caliper portion of the wheel speed sensor typically uses an EPDM (Ethylene Propylene Diene Monomer, chinese name ethylene propylene diene monomer) protective sleeve to protect the connector and the harness connected thereto from damage. However, the existing EPDM connector protective sleeve cannot meet the installation and function requirements in the surrounding environment of a specific chassis, and dynamic interference between the protective sleeve and an electronic parking caliper motor exists after installation, so that the protective sleeve is easy to wear and crack, and the wire harness protection function is lost; in addition, the protective sleeve is easy to fall off to expose the wire harness, the insulation layer is aged to cause insulation failure, and the wire harness insulation layer is scratched to cause system short circuit to cause potential design risks such as parking function failure.

Disclosure of Invention

The utility model aims to solve the problem that the existing EPDM connector protective sleeve cannot meet the installation and function requirements in the surrounding environment of a specific chassis. The utility model provides the connector protective sleeve, which can meet the installation and function requirements in the surrounding environment of a specific chassis, avoid potential interference risks among components, reduce the falling risk of the connector protective sleeve and further ensure the reliability of the performance of a wire harness product.

In order to solve the technical problems, an embodiment of the utility model discloses a connector protective sleeve, which comprises a protective sleeve body, wherein a first accommodating cavity and a second accommodating cavity for accommodating a wire harness are formed in the protective sleeve body; the protective sleeve body is stepped along a first direction, so that the first accommodating cavity and the second accommodating cavity have a height difference in the first direction; the first accommodating cavity is provided with a first opening end for inserting a connector, and the second accommodating cavity is provided with a second opening end for leading out the wire harness connected with the connector; the first accommodating cavity and the second accommodating cavity are arranged in parallel in the first direction and are communicated, and the first opening end and the second opening end are positioned on the same side of the protective sleeve body.

By adopting the technical scheme, the wire harness passes through the first opening end along the extending direction of the first accommodating cavity to enter the first accommodating cavity, then bends and enters the communicated part of the first accommodating cavity and the second accommodating cavity, bends and enters the second accommodating cavity again, then passes through the second opening end along the extending direction of the second accommodating cavity, in the process, plastic is adopted to replace rubber, and the wire is woundBundle buckle 360 ⁰ The rubber aging caused by local stress generated by unnecessary bending of the connector protective sleeve due to the installation condition is avoided.

According to another embodiment of the present utility model, the protective sleeve body includes a bottom shell and an upper cover having a concave structure, and the bottom shell and the upper cover are buckled to form the first accommodating cavity and the second accommodating cavity.

According to another specific embodiment of the present utility model, the protective sleeve body is provided with a plurality of drain holes, and the plurality of drain holes are disposed on the bottom shell corresponding to the first accommodating cavity.

According to another specific embodiment of the present utility model, the protective sleeve body is provided with a first pair of matching buckles and a second pair of matching buckles, the first pair of matching buckles are arranged between the first opening end and the second opening end, the second pair of matching buckles are arranged on one side surface of the protective sleeve body, and the bottom shell and the upper cover are connected through the first pair of matching buckles and the second pair of matching buckles in a buckling manner.

According to another specific embodiment of the present utility model, a flexible connection member is further disposed on the other side surface of the protective sleeve body, and the flexible connection member is connected to the bottom case and the upper cover.

According to another embodiment of the present utility model, the protection sleeve further comprises a third pair of matching buckles and a fourth pair of matching buckles, wherein the third pair of matching buckles and the fourth pair of matching buckles are arranged on the back surface of the protection sleeve, the third pair of matching buckles correspond to the position of the protection sleeve body corresponding to the first accommodating cavity, and the fourth pair of matching buckles correspond to the position of the protection sleeve body corresponding to the second accommodating cavity.

According to another embodiment of the utility model, the connecting portion of the first receiving chamber and the second receiving chamber is provided with an arcuate guiding surface.

According to another embodiment of the utility model, a first clamping groove is formed in the first accommodating cavity near the first opening end, the size of the first clamping groove corresponds to the size of the end, connected with the wire harness, of the connector, and a second clamping groove is formed in the second accommodating cavity near the second opening end.

According to another embodiment of the utility model, the second clamping groove comprises a plurality of sections, and the sections are arranged in the second accommodating cavity at intervals and close to the second opening end.

According to another embodiment of the utility model, in the second direction, the second receiving chamber is provided with a counter-sinking feature at the junction with the second open end.

By adopting the technical scheme, under the condition that the protective sleeve body is opened, namely the bottom shell and the upper cover are not buckled, the sensor and the wire harness can be connected with the bottom shell firstly, namely the wire harness firstly passes through the first opening end along the second direction to enter the first accommodating cavity, then bends and inclines to enter the second accommodating cavity, then bends and inclines again to enter the second accommodating cavity, and then penetrates out of the second opening end along the second direction until the connecting part of the sensor and the wire harness is blocked by the first clamping groove, and when the connecting part can not move into the first accommodating cavity any more, the wire harness also stops moving and is clamped at the position of the second clamping groove, at the moment, the upper cover is lifted upwards along the third direction to be combined with the bottom shell, and the first pair of matching buckles, the second pair of matching buckles, the third pair of matching buckles and the fourth pair of matching buckles are buckled respectively, so that the assembly of the sensor, the wire harness and the protective sleeve body is completed. And the drain hole of locating on the drain pan outer wall can discharge the connector wading back backlog in its inside water, and first pair of joining in marriage buckle, second pair of joining in marriage buckle, third pair of joining in marriage buckle and fourth pair of joining in marriage buckle also can solve the problem of structure mechanical properties after the assembly.

Drawings

Figure 1 shows a perspective view of a protective sleeve body of the present utility model;

FIG. 2 shows a schematic view of a connector and harness of the present utility model;

figure 3 shows a perspective view of the connector and harness of the present utility model assembled to a protective sleeve;

fig. 4 shows a front view of fig. 1;

FIG. 5 shows a bottom view of FIG. 1;

FIG. 6 shows a left side view of FIG. 1;

FIG. 7 shows an enlarged schematic view of the counter-snap of the present utility model;

fig. 8 is a perspective view showing a state in which a bottom chassis and an upper cover are separated;

fig. 9 shows a rear view of fig. 8;

FIG. 10 shows a top view of FIG. 8;

fig. 11 shows a perspective view of the connector and harness of the present utility model after being assembled to the bottom case;

FIG. 12 shows a side view of FIG. 11;

fig. 13 shows a schematic view of the utility model after assembly.

Reference numerals: 1. a protective sleeve body; 2. a first clamping groove; 3. a second clamping groove; 401. a first pair of mating snaps; 4010. a first clamping piece; 4011. a first fastening groove; 402. a second pair of mating clasps; 4001. a clamping piece; 4002. hanging lugs; 4003. a buckle groove; 4004. square holes; 403. a third pair of mating buckles; 404. a fourth pair of matching buckles; 5. a drain hole; 6. a bottom case; 7. an upper cover; 8. a first accommodation chamber; 801. a first open end; 9. a second accommodation chamber; 901. a second open end; 902. a sinking platform; 10. a sensor; 11. a wire harness; 12. a square groove; 13. a flexible connection.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present specification, by describing the embodiments of the present utility model with specific examples. While the description of the utility model will be described in connection with the preferred embodiments, it is not intended to limit the inventive features to the implementation. Rather, the purpose of the utility model described in connection with the embodiments is to cover other alternatives or modifications, which may be extended by the claims based on the utility model. The following description contains many specific details for the purpose of providing a thorough understanding of the present utility model. The utility model may be practiced without these specific details. Furthermore, some specific details are omitted from the description in order to avoid obscuring the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

It should be noted that in this specification, like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present embodiment, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "bottom", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model.

The terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present embodiment can be understood in a specific case by those of ordinary skill in the art.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present application provides a connector protection sleeve, including a protection sleeve body 1, wherein a first accommodating cavity 8 and a second accommodating cavity 9 for accommodating a wire harness 11 are formed in the protection sleeve body 1; the protective sleeve body 1 is stepped along a first direction (shown in a Y direction in fig. 1) so that the first accommodating cavity 8 and the second accommodating cavity 9 have a height difference in the first direction; the first accommodation chamber 8 has a first open end 801 for insertion of the connector 10, and the second accommodation chamber 9 has a second open end 901 for extraction of a wire harness 11 connected to the connector 10. The protective sleeve body 1 is illustratively a plastic material, which has a U-shape.

Illustratively, the first open end 801 has a cross-section that is larger at the middle and smaller at the two ends, and has a rectangular shape at the middle and a capsule shape at the middle, and the second open end 901 has a circular shape. The first open end 801 and the second open end 901 are located on the same side of the protective sleeve body 1.

The first accommodating cavity 8 and the second accommodating cavity 9 are arranged in parallel in the first direction and are communicated, that is, the first accommodating cavity 8 and the second accommodating cavity 9 extend along the second direction (shown in the X direction in fig. 1) and are communicated obliquely to the third direction (shown in the Z direction in fig. 1), so that the rubber aging caused by local stress generated by unnecessary bending of the protective sleeve body 1 due to the installation condition is avoided.

With the above technical solution, referring to fig. 1 to 3, the wire harness 11 may first pass through the first opening end 801 in the second direction (shown in the X direction in fig. 1) to enter the first accommodating cavity 8, then bend obliquely to the third direction (shown in the Z direction in fig. 1) to enter the second accommodating cavity 9, and then bend again to pass through the second opening end 901 in the second direction until the connection portion of the sensor 10 and the wire harness 11 cannot move into the first accommodating cavity 8 any more, and the wire harness 11 also stops moving, as shown in the state in fig. 3. In this process, the plastic protective sleeve body 1 can prevent the rubber aging caused by local stress generated by unnecessary bending of the connector protective sleeve due to the installation condition.

Fig. 4 is a front view of fig. 1, showing structural features of the first 801 and second 901 open ends of the protective sleeve body 1 when the connector is not installed; fig. 5 is a bottom view of fig. 1 showing the U-shaped feature of the protective sleeve body 1; fig. 6 is a left side view of fig. 1, showing structural features of one end of the protective sleeve body 1 in a third direction; fig. 7 is an enlarged view of a portion of fig. 6.

In some possible embodiments, referring to fig. 4 and 8, the protective sleeve body 1 includes a bottom case 6 and an upper cover 7 having a concave structure, and the bottom case 6 and the upper cover 7 are fastened to form a first receiving cavity 8 and a second receiving cavity 9. Fig. 4 shows a schematic view of the snap-fit connection of the bottom shell 6 and the upper cover 7 in this stateThe buckling part of the bottom shell 6 and the upper cover 7 is opened, so that the bottom shell 6 and the upper cover 7 are separated and 180 degrees ⁰ That is, as shown in fig. 8, a state in which the bottom case 6 and the upper cover 7 are not fastened, in which state the connector and the wire harness can be more easily assembled, is schematically shown in fig. 8.

In some possible embodiments, referring to fig. 1 and 5, the protective casing body 1 is provided with a plurality of drain holes 5, and the plurality of drain holes 5 are disposed on the bottom shell 6 corresponding to the first accommodating cavity 8. That is, the accumulated water entering the first accommodation chamber 8 can be discharged out of the protective sheath body 1 through the drain hole 5. The drain hole 5 is illustratively rectangular in shape. The drain hole 5 is open from the inner wall of the first accommodation chamber 8 to the outer wall of the bottom chassis 6 in the first direction (shown as Y direction in fig. 1). Illustratively, two drain holes 5 are provided, which are provided at intervals in the second direction (shown in the X direction in fig. 5) on the outer wall of the bottom chassis 6. When the connector wades, water in the inner space of the protective sleeve body 1 is accumulated, and water can be discharged through the water discharge holes 5, so that the relative dry state of the connector and the wire harness is ensured.

For example, referring to fig. 1, the height difference between the first accommodating cavity 8 and the second accommodating cavity 9 in the first direction may enable the accumulated water entering the second accommodating cavity 9 to flow to a low position, that is, enter the first accommodating cavity 8 provided with the drain hole 5, and further drain the accumulated water through the drain hole 5, so as to ensure a relatively dry state of the connector and the wire harness.

In some possible embodiments, referring to fig. 4 and 5, the protective sleeve body 1 is provided with a first pair of matching buckles 401 and a second pair of matching buckles 402, the first pair of matching buckles 401 are disposed between the first opening end 801 and the second opening end 901, the second pair of matching buckles 402 are disposed on one side surface of the protective sleeve body 1, and the bottom shell 6 and the upper cover 7 are in buckled connection through the first pair of matching buckles 401 and the second pair of matching buckles 402. That is, in a state that the bottom shell 6 and the upper cover 7 are separated and not buckled, the connector and the wire harness can be assembled into the bottom shell 6 first, and then the bottom shell 6 and the upper cover 7 are buckled and connected through the first matching buckle 401 and the second matching buckle 402, so that the problem of structural mechanical properties possibly existing after the connector is assembled into the protective sleeve body 1 is avoided.

In some possible embodiments, referring to fig. 4 and 5, the other side of the protective sleeve body 1 is further provided with a flexible connection member 13, and the flexible connection member 13 is connected to the bottom case 6 and the upper cover 7. Illustratively, the flexible connection 13 has a U shape, one end of which is connected to the bottom case 6 and the other end of which is connected to the upper cover 7, and the flexible connection 13 is always connected to the bottom case 6 and the upper cover 7 regardless of the separated state or the connected state of the bottom case 6 and the upper cover 7.

In some possible embodiments, referring to fig. 5 and 8, the protective sleeve further comprises a third pair of matching buckles 403 and a fourth pair of matching buckles 404 disposed on the back surface of the protective sleeve body 1, the third pair of matching buckles 403 corresponding to the position of the protective sleeve body 1 corresponding to the first accommodating cavity 8, and the fourth pair of matching buckles 404 corresponding to the position of the protective sleeve body 1 corresponding to the second accommodating cavity 9. That is, the third pair of mating buckles 403 and the fourth pair of mating buckles 404 are located on opposite sides of the protective cover body 1 in the second direction (shown in the X direction in fig. 5) with the first accommodating chamber 8 and the second accommodating chamber 9, respectively. Illustratively, the third pair of matching buckles 403 and the fourth pair of matching buckles 404 are used for connecting the bottom shell 6 and the upper cover 7 on the basis of the first pair of matching buckles 401 and the second pair of matching buckles 402, so as to ensure the reliability of connection.

Illustratively, referring to fig. 4 and 8, the first pair of mating clips 401 includes a first clip 4010 and a first clip groove 4011, the first clip 4010 is provided on the upper cover 7, and the first clip groove 4011 is provided on the bottom case 6. In the second direction (shown in the X direction in fig. 8), the upper surface of the first catch groove 4011 is coplanar with the first open end 801 and the second open end 901. Referring to fig. 6 to 8, the second mating clip 402 includes a clip 4001, a clip groove 4003, and a hanger 4002; the third pair of matching buckles 403 also comprises a clip 4001, a buckle slot 4003 and a hanging lug 4002; the fourth mating clip 404 also includes a clip 4001, a clip groove 4003, and a tab 4002. Referring to fig. 9, the plurality of clips 4001 and the hanging lugs 4002 are located at the bottom shell 6, and the plurality of fastening grooves 4003 corresponding to the plurality of clips 4001 and the hanging lugs 4002 are located at the upper cover 7. For example, referring to fig. 7 and 9, the hanging piece 4002 has a trapezoid shape, the clip 4001 has a rectangular shape, the clip groove 4003 has a back shape, the size of the clip groove 4003 is larger than that of the clip 4001, and the size of the clip 4001 is larger than that of the hanging piece 4002.

For example, referring to fig. 9, the hanging lugs 4002 are disposed on two sides of the clamping piece 4001, the hanging lugs 4002 and the clamping piece 4001 have a set interval distance, and the fastening groove 4003 can be fastened between the hanging lugs 4002 and the clamping piece 4001, so as to realize fastening connection of the bottom shell 6 and the upper cover 7.

Illustratively, referring to fig. 9, a square hole 4004 is formed in the middle of the fastening groove 4003, so that the clip 4001 can be connected with the fastening groove 4003. Illustratively, referring to fig. 7, when the clip 4001 is engaged with the clip groove 4003, the clip 4001 is located exactly in the square hole 4004, and the two side portions of the clip groove 4003 are located exactly at the spaced positions between the hanger 4002 and the clip 4001.

Illustratively, referring to fig. 4 and 7, the first clip 4010 and the clip 4001 are identical in shape and size, which facilitates uniform design and manufacture thereof.

With the above technical solution, referring to fig. 6 to 8, when the plurality of clips 4001 are buckled with the plurality of buckling grooves 4003 corresponding to the plurality of clips 4001 one by one, and the first clip 4010 is buckled with the first buckling groove 4011, that is, the first pair of matching buckles 401, the second pair of matching buckles 402, the third pair of matching buckles 403, and the fourth pair of matching buckles 404 are all buckled, the bottom shell 6 and the upper cover 7 are buckled to form a whole, that is, the protective sleeve body 1 as shown in fig. 1, in contrast, referring to fig. 8 and 9, when the plurality of clips 4001 are not buckled with the corresponding buckling grooves 4003 and are in a separated state, the first clip 4010 is also separated from the first buckling groove 4011, the protective sleeve body 1 is in an open state, that is, the bottom shell 6 is 180 with the upper cover 7 ⁰ 。

Illustratively, referring to fig. 4, a square groove 12 is formed between the first open end 801 and the second open end 901, the square groove 12 extends from the bottom case 6 to the upper cover 7 along a first direction (shown in a Y direction in fig. 4), and the first pair of mating clips 401 are located in the square groove 12.

Illustratively, referring to fig. 8, in a second direction (shown in the X direction in fig. 8), the upper surface of the first catch groove 4011 is coplanar with the first and second open ends 801, 901 and forms a height difference with the square groove 12 in the second direction where the first catch 4010 can catch.

Illustratively, referring to fig. 8, clip 4001 can be captured within snap groove 4003, and first clip 4010 can also be captured within first snap groove 4011 to connect bottom shell 6 and top cover 7.

In some possible embodiments, referring to fig. 8, the connecting portion of the first receiving chamber 8 and the second receiving chamber 9 is provided with an arc-shaped guide surface. Illustratively, since the first accommodating chamber 8 and the second accommodating chamber 9 have a height difference in the first direction, an inner connecting portion of the first accommodating chamber 8 and the second accommodating chamber 9 is arc-shaped so that the wire harness passes from the first accommodating chamber 8 to the second accommodating chamber 9.

In some possible embodiments, referring to fig. 1 and 8, the first accommodating cavity 8 is provided with a first clamping groove 2 near the first opening end 801, the size of the first clamping groove 2 corresponds to the size of the end of the connector connecting wire harness, and the second accommodating cavity 9 is provided with a second clamping groove 3 near the second opening end 901. Illustratively, the size of the first clamping groove 2 corresponds to the size of the end of the connector connecting harness, so that the connector is fixed at the first opening end 801 through the first clamping groove 2, and the connector is prevented from shaking.

Illustratively, referring to fig. 10, the first clamping groove 2 is two sections including a first dimension L1 and a second dimension L2, the first dimension L1 and the second dimension L2 are two sections of different lengths of the first clamping groove 2 in a third direction (shown in a Z direction in fig. 10), and the first dimension L1 and the second dimension L2 are disposed at a position close to the first opening end 801 of the first accommodating chamber 8 at intervals along the second direction (shown in an X direction in fig. 8) so as to clamp the connector, thereby avoiding shaking of the connector in the first accommodating chamber 8.

Illustratively, referring to fig. 10, the second dimension L2 is closer to the first open end 801 than the first dimension L1, the first dimension L1 and the second dimension L2 corresponding to the dimensions of the end of the connector connection harness, such that the connector is better caught.

Illustratively, referring to fig. 10, the first dimension L1 is smaller than the second dimension L2 to achieve a dimension corresponding to the end of the connector connection harness so that the connector is better caught.

In some possible embodiments, referring to fig. 8, the second clamping groove 3 includes a plurality of segments, which are disposed at intervals along the second direction (shown in the X direction in fig. 8) in the second accommodating cavity 9 at positions near the second opening end 901, so as to clamp the wire harness, and prevent the wire harness from falling off.

Illustratively, referring to fig. 1 and 8, the first card slot 2 is shaped identically to the first open end 801 and the second card slot 3 is shaped identically to the second open end 901. In the state where the bottom case 6 and the upper cover 7 shown in fig. 8 are not engaged, the first card slot 2 is divided into two parts, one part being located in the bottom case 6 and the other part being located in the upper cover 7; similarly, the second slot 3 is also divided into two parts, one part is located at the bottom shell 6, the other part is located at the upper cover 7, and both parts are semicircular. I.e. the bottom shell 6 and the upper cover 7 are buckled to form a complete first accommodating cavity 8 and a complete second accommodating cavity 9 as well as a first clamping groove 2 and a second clamping groove 3, and thus the connector and the wire harness are accommodated.

In some possible embodiments, referring to fig. 8, a sinking stage 902 is provided where the second receiving chamber 9 is connected to the second open end 901 in the second direction (shown in the X direction in fig. 8). In the second direction, and from the second open end 901 toward the direction extending in the second accommodation chamber 9, the aperture of the sinking platform 902 gradually decreases.

With reference to fig. 2, 8 and 11, in the state that the protective cover body 1 is opened, that is, the bottom shell 6 and the upper cover 7 are connected to one side only through the flexible connecting piece 13 and are not buckled, that is, as shown in fig. 8, the sensor 10 and the wire harness 11 may be connected to the bottom shell 6 first, that is, the wire harness 11 first passes through the first opening end 801 along the second direction (X direction in fig. 8) to enter the first accommodating cavity 8, then bends and inclines to the third direction (Z direction in fig. 8) to enter the second accommodating cavity 9, and then bends again, that is, passes out of the second opening end 901 along the second direction until the connection part of the sensor 10 and the wire harness 11 is blocked by the first clamping groove 2, and the first dimension L1 and the second dimension L2 are also abutted against corresponding dimensions on the connector 10, and can not move into the first accommodating cavity 8 any more, and the wire harness 11 also stops moving and is blocked at the position of the second clamping groove 3, as shown in fig. 11 and 12.

At this time, the upper cover 7 is lifted up along the third direction (shown in the Z direction in fig. 12) and combined with the bottom case 6, and the first pair of matching buckles 401, the second pair of matching buckles 402, the third pair of matching buckles 403 and the fourth pair of matching buckles 404 are respectively buckled, so that the assembly of the sensor 10, the wire harness 11 and the protective sleeve body 1 is completed, and the state shown in fig. 3 and 13 is reached. The plastic protective sleeve body 1 can avoid rubber aging caused by local stress generated by unnecessary bending of the connector protective sleeve due to installation conditions; the drain hole 5 arranged on the outer wall of the bottom shell 6 can drain water accumulated in the connector 10 after wading; the first pair of matching buckles 401, the second pair of matching buckles 402, the third pair of matching buckles 403 and the fourth pair of matching buckles 404 can also solve the problem of mechanical properties of the assembled structure.

While the utility model has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a further detailed description of the utility model with reference to specific embodiments, and it is not intended to limit the practice of the utility model to those descriptions. Various changes in form and detail may be made therein by those skilled in the art, including a few simple inferences or alternatives, without departing from the spirit and scope of the present utility model.

Claims (10)

1. The connector protective sleeve is characterized by comprising a protective sleeve body, wherein a first accommodating cavity and a second accommodating cavity for accommodating a wire harness are formed in the protective sleeve body; the protective sleeve body is stepped along a first direction, so that the first accommodating cavity and the second accommodating cavity have a height difference in the first direction; the first accommodating cavity is provided with a first opening end for inserting a connector, and the second accommodating cavity is provided with a second opening end for leading out the wire harness connected with the connector; the first accommodating cavity and the second accommodating cavity are arranged in parallel in the first direction and are communicated, and the first opening end and the second opening end are positioned on the same side of the protective sleeve body.

2. The connector protective sleeve of claim 1 wherein said protective sleeve body includes a bottom shell and a top cover having a recessed configuration, said bottom shell and said top cover snap-fit together to form said first receiving cavity and said second receiving cavity.

3. The connector protective sleeve of claim 2, wherein the protective sleeve body is provided with a plurality of drain holes, and the plurality of drain holes are arranged on the bottom shell corresponding to the first accommodating cavity.

4. The connector protective sleeve of claim 2, wherein the protective sleeve body is provided with a first pair of mating buckles and a second pair of mating buckles, the first pair of mating buckles are disposed between the first open end and the second open end, the second pair of mating buckles are disposed on a side surface of the protective sleeve body, and the bottom shell and the upper cover are in snap-fit connection through the first pair of mating buckles and the second pair of mating buckles.

5. The connector protective sleeve of claim 4 wherein the other side of the protective sleeve body is further provided with a flexible connection member, the flexible connection member being connected to the bottom shell and the upper cover.

6. The connector protective sleeve of claim 4 further comprising a third pair of mating tabs and a fourth pair of mating tabs disposed on a back side of the protective sleeve body, the third pair of mating tabs corresponding to a location of the protective sleeve body corresponding to the first receiving cavity, the fourth pair of mating tabs corresponding to a location of the protective sleeve body corresponding to the second receiving cavity.

7. The connector protective sleeve of claim 1 wherein the connecting portion of the first receiving cavity and the second receiving cavity is provided with an arcuate guide surface.

8. The connector protective sleeve of claim 1 wherein said first receiving cavity has a first slot adjacent said first open end, said first slot having a size corresponding to a size of said end of said connector to which said harness is attached, and said second receiving cavity has a second slot adjacent said second open end.

9. The connector protective sleeve of claim 8 wherein said second slot includes a plurality of segments spaced apart from said second receiving cavity and adjacent said second open end.

10. The connector protective sleeve of claim 1 wherein in a second direction, the second receiving cavity is provided with a counter sink feature at the junction with the second open end.

Images