CN212137249U

CN212137249U - Wire harness with sealing structure

Info

Publication number: CN212137249U
Application number: CN202021145830.0U
Authority: CN
Inventors: 何伟波; 陈雪玲; 何小波
Original assignee: Quanzhou Baolu Electronic Co ltd
Current assignee: Quanzhou Baolu Electronic Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2020-12-11
Anticipated expiration: 2030-06-18

Abstract

The utility model relates to a wire harness with a sealing structure, which comprises a wire harness body and the sealing structure, wherein the sealing structure comprises a cylinder body and a filling sleeve with elasticity, one end of the cylinder body is integrally formed with an upper sealing head, the upper sealing head is provided with a clamping groove, the cylinder body is penetrated and provided with a through hole for the wire harness body to pass through, the inner wall of the through hole is fixed with a hard sleeve, and the inner wall of the sleeve and the outer peripheral surface of the wire harness body are provided with an annular gap; the filling sleeve is positioned in the gap, the outer wall of the filling sleeve is in threaded connection with the sleeve, and the inner wall of the filling sleeve is tightly attached to the outer peripheral surface of the wire harness body; the utility model discloses under the prerequisite of ensureing waterproof sealing nature, the dismantlement of seal structure and pencil body of can being convenient for to it is extravagant to reduce unnecessary.

Description

Wire harness with sealing structure

Technical Field

The utility model belongs to the technical field of the technique of wiring harness structure and specifically relates to a pencil with seal structure is related to.

Background

At present, need set up the through wires hole on the shell during waterproof product threading, when meeting overcast and rainy weather, the shell is easily permeated by the rainwater, leads to the electric wire short circuit in the waterproof product, so all need adopt water-proof measure to prevent that waterproof product from being permeated by the rainwater when the threading of present most of waterproof product.

As shown in fig. 3, the sealing plug includes a cylinder 1, a through hole 14 for a thread bundle to pass through is formed through the cylinder 1, an upper sealing head 11 is integrally formed at one end of the cylinder 1, and the upper sealing head 11 is provided with a clamping groove 13 matched with a thread hole 20 of a waterproof product.

During assembly, the sealing plug is installed through the matching of the clamping groove 13 and the threading hole 20, then the wire harness penetrates through the through hole 14 to be connected with a circuit inside a waterproof product, and finally the gap between the wire harness and the through hole 14 is filled and sealed by hot melt adhesive so as to play a role in waterproof sealing.

Adopt the form of hot melt adhesive to carry out gap filling, though there is better waterproof sealing effect, nevertheless because the hot melt adhesive is together fixed with sealing plug and pencil, consequently when the pencil damages to need to be changed, then need take originally intact sealing plug to change together to cause the waste of originally intact sealing plug.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a pencil with seal structure, under the prerequisite of ensureing waterproof sealing nature, the dismantlement of seal structure and pencil body of can being convenient for reduces unnecessary extravagant.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a wire harness with a sealing structure comprises a wire harness body and the sealing structure, wherein the sealing structure comprises a cylinder body and an elastic filling sleeve, an upper end socket is integrally formed at one end of the cylinder body, a clamping groove is formed in the upper end socket, the cylinder body penetrates through a through hole for the wire harness body to penetrate through, a hard sleeve is fixed on the inner wall of the through hole, and an annular gap is formed between the inner wall of the sleeve and the outer peripheral surface of the wire harness body; the filling sleeve is located in the gap, the outer wall of the filling sleeve is in threaded connection with the sleeve, and the inner wall of the filling sleeve is tightly attached to the outer peripheral surface of the wire harness body.

By adopting the technical scheme, during installation, the column body is installed on the waterproof product through the matching of the clamping groove and the threading hole of the waterproof product, then the wire harness body penetrates through the sleeve, then the filling sleeve is elastically sleeved and fixed on the wire harness body, the filling sleeve is easy to deform due to the fact that the filling sleeve is light and thin in structure, the filling sleeve is easily fixed with the elastic sleeve of the wire harness body, then the filling sleeve is screwed in, the filling sleeve is in threaded connection with the sleeve to fill the gap, the fixed connection between the wire harness body and the sleeve is completed, and finally the wire harness body is connected with an internal circuit of the waterproof product; when the wire harness body is damaged and needs to be replaced, the filling sleeve only needs to be screwed out, and then the filling sleeve is removed from the wire harness body, and the sealing structure does not need to be replaced together, so that unnecessary waste is reduced; the filling sleeve can fill the gap between the sleeve and the wire harness body, so that a good waterproof sealing effect is achieved; and the sleeve is the stereoplasm material to can ensure the steadiness of threaded connection between sleeve and the packing cover.

The present invention may be further configured in a preferred embodiment as: the sleeve is made of stainless steel.

By adopting the technical scheme, the long-time use of the sleeve can be ensured.

The present invention may be further configured in a preferred embodiment as: the outer peripheral surface of the sleeve is provided with external threads, and the inner wall of the through hole is provided with internal threads matched with the external threads of the sleeve.

By adopting the technical scheme, the installation and connection between the sleeve and the column body can be facilitated, the threaded connection is tight, and the waterproof sealing effect is good.

The present invention may be further configured in a preferred embodiment as: the end face of the upper end enclosure is provided with a plurality of avoiding grooves along the axial direction of the cylinder, and the avoiding grooves are uniformly distributed along the circumference of the cylinder; the sleeve can be screwed to a position corresponding to the avoiding groove.

Adopt above-mentioned technical scheme, avoid the groove through seting up, form deformation and dodge the region, make the upper cover deform more easily when receiving through wires hole butt, in the through wires hole is packed into more easily into to the upper cover promptly, simplify the installation degree of difficulty, and also can lead to the upper cover to break away from through wires hole department easily like this, consequently, set up the sleeve that can precess soon, treat the upper cover and install in the through wires hole, precess one section distance with the sleeve soon, make the sleeve remove to the position that corresponds and dodge the groove, the sleeve supports the upper cover from the interior, prevent the trend of the inside deformation of upper cover, thereby ensure that the upper cover is difficult to break away from.

The present invention may be further configured in a preferred embodiment as: one end of the peripheral surface of the sleeve is provided with a ring bulge, and the ring bulge is abutted to the end surface of the column body far away from the upper end enclosure.

By adopting the technical scheme, the screwing-in device has a limiting effect on the screwing-in of the sleeve, and prevents the sleeve from continuously screwing-in, namely, the friction force generated when the filling sleeve is screwed-in is prevented from driving the sleeve to screw in relative to the cylinder again.

The present invention may be further configured in a preferred embodiment as: the end part of the filling sleeve is integrally formed with an annular protruding part, the outer diameter of the protruding part is larger than that of the sleeve, and the side wall of the protruding part is abutted to the end face of the sleeve.

Adopt above-mentioned technical scheme, through the butt of bulge and sleeve terminal surface, play the limiting displacement to the precession of packing sleeve to reduce the condition that water got into from sleeve and packing sleeve, have certain waterproof sealing effect.

The present invention may be further configured in a preferred embodiment as: the outer peripheral surface of the bulge is convexly provided with an anti-slip convex rib.

By adopting the technical scheme, the filling sleeve is convenient to screw in, the filling sleeve is convenient to install, and the operation convenience is improved.

The present invention may be further configured in a preferred embodiment as: the filling sleeve is made of water-swelling rubber.

By adopting the technical scheme, the filling sleeve expands when meeting water, so that all irregular surfaces, cavities and gaps are filled, huge contact pressure is generated, and the waterproof sealing effect is greatly improved.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the filling sleeve used for filling the gap between the sleeve and the wire harness body has a good waterproof sealing effect, the filling sleeve is detachably connected with the sleeve through the threads, when the wire harness body is damaged and needs to be replaced, the filling sleeve only needs to be screwed out, then the filling sleeve is faded down from the wire harness body, the sealing structure does not need to be replaced together, and unnecessary waste is reduced;

2. the upper sealing head and the threading hole are convenient to install due to the arrangement of the avoiding groove, and the sleeve props against the upper sealing head from inside by screwing the sleeve into the threading hole, so that the tendency of inward deformation of the upper sealing head is prevented, and the upper sealing head is prevented from being separated from the threading hole difficultly;

3. through setting up the bulge, can improve waterproof sealing effect, the precession and the back-out of packing the cover of can being convenient for again, convenient and fast.

Drawings

Fig. 1 is an exploded view of the entire structure of the present embodiment;

fig. 2 is a sectional view of the entire structure of the present embodiment;

fig. 3 is a schematic structural view of a conventional structure.

In the figure, 1, a column; 2. filling the sleeve; 10. a wire harness body; 11. an upper end enclosure; 12. an avoidance groove; 13. a card slot; 14. a through hole; 15. a sleeve; 16. the ring is convex; 20. threading holes; 21. a projection; 22. and (4) anti-slip ribs.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, for the utility model discloses a pencil with seal structure, including pencil body 10 and seal structure, wherein seal structure is including installing in the cylinder 1 of the pinhole department of waterproof product and the packing cover 2 that closely registrates with pencil body 10.

As shown in fig. 1 and fig. 2, one end integrated into one piece of cylinder 1 has upper cover 11, upper cover 11 sets up the through wires hole matched with draw-in groove 13 with waterproof product, upper cover 11's terminal surface has seted up a plurality of grooves 12 of dodging along 1 axial direction of cylinder, each dodge groove 12 and evenly arrange along 1 circumference of cylinder, a plurality of grooves 12 of dodging form deformation and dodge the region, make upper cover 11 inwards deform more easily when receiving the through wires hole butt, in the through wires hole is packed into more easily to upper cover 11 promptly, simplify the installation degree of difficulty.

As shown in fig. 2, a through hole 14 is formed through the column body 1, a sleeve 15 is arranged in the through hole 14, the sleeve 15 is made of stainless steel, an external thread is arranged on the outer circumferential surface of the sleeve 15, an internal thread matched with the external thread of the sleeve 15 is arranged on the inner wall of the through hole 14, an annular protrusion 16 is arranged at one end of the outer circumferential surface of the sleeve 15, and the annular protrusion 16 abuts against the end surface of the column body 1; after the column body 1 is installed, the sleeve 15 is screwed in, the sleeve 15 moves to the position corresponding to the avoiding groove 12 relative to the column body 1 along the axial direction through threaded connection, the annular protrusion 16 abuts against the end face of the column body 1, the sleeve 15 abuts against the upper end enclosure 11 from inside at the moment, the trend that the upper end enclosure 11 deforms inwards is prevented, and therefore the upper end enclosure 11 is prevented from being separated from the threading hole easily.

As shown in fig. 2, the filling sheath 2 is made of water-swellable rubber, and the inner wall of the sleeve 15 is in threaded connection with the outer wall of the filling sheath 2. The end of the filling sleeve 2 is integrally formed with an annular bulge 21, the outer diameter of the bulge 21 is larger than that of the sleeve 15, the side wall of the bulge 21 abuts against the end face of the sleeve 15, and the outer peripheral surface of the bulge 21 is convexly provided with an anti-slip rib 22.

The implementation principle of the embodiment is as follows: when in installation, the column body 1 is firstly installed on the waterproof product through the matching of the clamping groove 13 and the threading hole of the waterproof product, then the sleeve 15 is screwed in, and by means of the threaded connection, the sleeve 15 is moved axially with respect to the column 1 to a position corresponding to the escape groove 12, and the annular bulge 16 is abutted against the end face of the cylinder 1, at the moment, the sleeve 15 is abutted against the upper seal head 11 from inside, the tendency of inward deformation of the upper seal head 11 is prevented, then, the wire harness body 10 is passed through the sleeve 15, with the inner wall of the sleeve 15 having an annular clearance with the outer peripheral surface of the wire harness body 10, then the filling sleeve 2 is elastically sleeved and fixed on the wire harness body 10, because the filling sleeve 2 has a thinner structure, which is easy to deform, so that the filling sleeve 2 is fixed with the elastic sleeve of the wire harness body 10 easily, and then the filling sleeve 2 is screwed in to fill the gap, the fixed connection between the wire harness body 10 and the sleeve 15 is completed, and finally the wire harness body 10 is connected with an internal circuit of the waterproof product;

when the wiring harness body 10 is damaged and needs to be replaced, only the filling sleeve 2 needs to be screwed out, and then the filling sleeve 2 is faded down from the wiring harness body 10, so that the sealing structure does not need to be replaced together, and unnecessary waste is reduced.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A wire harness having a seal structure, characterized in that: the wire harness structure comprises a wire harness body (10) and a sealing structure, wherein the sealing structure comprises a cylinder (1) and an elastic filling sleeve (2), an upper end socket (11) is integrally formed at one end of the cylinder (1), a clamping groove (13) is formed in the upper end socket (11), a through hole (14) for the wire harness body (10) to pass through is formed in the cylinder (1) in a penetrating mode, a hard sleeve (15) is fixed on the inner wall of the through hole (14), and an annular gap is formed between the inner wall of the sleeve (15) and the outer peripheral face of the wire harness body (10); the wire harness filling device is characterized in that the filling sleeve (2) is located in the gap, the outer wall of the filling sleeve (2) is in threaded connection with the sleeve (15), and the inner wall of the filling sleeve (2) is tightly attached to the outer peripheral surface of the wire harness body (10).

2. The wire harness having a sealing structure according to claim 1, characterized in that: the sleeve (15) is made of stainless steel.

3. The wire harness having a sealing structure according to claim 1, characterized in that: the outer peripheral surface of the sleeve (15) is provided with external threads, and the inner wall of the through hole (14) is provided with internal threads matched with the external threads of the sleeve (15).

4. The wire harness having a sealing structure according to claim 3, wherein: the end face of the upper end enclosure (11) is provided with a plurality of avoiding grooves (12) along the axial direction of the cylinder (1), and the avoiding grooves (12) are uniformly distributed along the circumference of the cylinder (1); the sleeve (15) can be screwed into a position corresponding to the avoiding groove (12).

5. The wire harness having a sealing structure according to claim 4, wherein: one end of the peripheral surface of the sleeve (15) is provided with a ring bulge (16), and the ring bulge (16) is abutted to the end face, far away from the upper end enclosure (11), of the column body (1).

6. The wire harness having a sealing structure according to claim 1, characterized in that: the end part of the filling sleeve (2) is integrally formed with an annular protruding part (21), the outer diameter of the protruding part (21) is larger than that of the sleeve (15), and the side wall of the protruding part (21) is abutted to the end face of the sleeve (15).

7. The wire harness having a sealing structure according to claim 6, wherein: the outer peripheral surface of the bulge part (21) is convexly provided with an anti-slip convex rib (22).

8. The wire harness having a sealing structure according to claim 1, characterized in that: the filling sleeve (2) is made of water-swelling rubber.