CN217975825U

CN217975825U - A casing protection architecture and car door lock for car door lock

Info

Publication number: CN217975825U
Application number: CN202221851310.0U
Authority: CN
Inventors: 陆冰; 赵青松
Original assignee: Shaoxing Shangyu Yongsheng Auto Parts Co ltd
Current assignee: Shaoxing Shangyu Yongsheng Auto Parts Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-06
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a casing protection architecture for automobile door lock, include: the primary plastic coating layer is used for coating a copper circuit of the automobile door lock; the secondary plastic coating layer is wrapped on the outer side of the primary plastic coating layer; and the fusion layer is positioned between the primary plastic coating layer and the secondary plastic coating layer and is formed by fusing the parts of the primary plastic coating layer and the secondary plastic coating layer. The utility model also discloses an automobile door lock. The utility model discloses utilize once to wrap the melting point difference of moulding the layer material with the secondary package, the high temperature melting secondary package moulds the layer material and makes once mould layer surface local melting and the secondary package and moulds the layer and fuse completely, forms the layer that fuses, improves once to wrap the compactness of moulding the layer and the secondary package and moulding the layer and connecting to improve the waterproof nature of casing protection architecture, effectively avoids copper way meeting water short circuit, ensures the security performance; the processing process is relatively simple.

Description

A casing protection architecture and car door lock for car door lock

Technical Field

The utility model belongs to automobile door lock field especially relates to a casing protection architecture and automobile door lock for automobile door lock.

Background

At present, along with the improvement of the electrified integration level, the automobile door lock often relates to the connection of an electric element in the door lock shell and an external automobile body circuit by embedding a copper circuit in the door lock shell, and the automobile body circuit drives a door lock transmission part to mechanically move and acquire a required electric signal. One end of the embedded copper circuit is exposed at the socket outside the shell and is used for connecting a vehicle body circuit, the other end of the copper circuit is exposed inside the shell to be connected with an electrical component, and the middle part of the copper circuit needs to be completely isolated from the inner surface and the outer surface of the shell to prevent water vapor outside the shell from permeating into the shell to cause accidental short circuit of the copper circuit and cause door lock failure. How to improve the surface waterproof property of the copper-clad plastic shell is a problem that designers need to solve at present.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a copper way realizes good waterproof guard action to in the automobile door lock, processes convenient a shell protection architecture and automobile door lock for automobile door lock.

The utility model provides a technical scheme that its technical problem adopted is: a housing protective structure for an automobile door lock, comprising:

the primary plastic coating layer is used for coating a copper circuit of the automobile door lock;

the secondary plastic coating layer is wrapped on the outer side of the primary plastic coating layer;

the fusion layer is positioned between the primary plastic coating layer and the secondary plastic coating layer and is formed by fusing the parts of the primary plastic coating layer and the secondary plastic coating layer.

The utility model discloses utilize once the package to mould the melting point difference that layer and secondary package moulded the layer material (the material melting point is moulded to the secondary package is higher than once the package and moulds the material), mould the layer material at the secondary package and pack the time, high temperature melting's secondary package is moulded the layer material and is made once mould plastics layer surface part and melt and the layer is moulded to the secondary package and fuse completely, form the layer that fuses, prevent that layer and secondary package are moulded to a package and layer combination department produces small space to improve casing protection architecture's waterproof nature, effectively avoid the copper way to meet the water short circuit, guarantee security performance.

Furthermore, the melting point of the primary plastic-coated layer is lower than that of the secondary plastic-coated layer, and in the processing process of the secondary plastic-coated layer, part of the surface of the primary plastic-coated layer is melted and fused with the secondary plastic-coated layer to form the fusion layer.

Furthermore, the difference between the melting point of the secondary plastic coating layer and the melting point of the primary plastic coating layer is 20-50 ℃. The arrangement of the melting point difference facilitates the processing and formation of the fusion layer.

Furthermore, the surface of the layer is moulded to the first time package is equipped with the reference column, and this reference column passes the secondary package and moulds the layer. The setting of reference column makes the secondary package mould the layer and fixes a position more accurately in the course of working, and the machining precision improves.

Furthermore, the periphery of the positioning column is provided with a blocking rib which annularly surrounds the positioning column for a circle. The setting that separates disconnected muscle not only can avoid reference column and secondary package to mould the liquid that gets into between the layer and cause the short circuit to the copper circuit, when the layer melting is moulded in a package, also can increase once package and mould the compactness that layer and secondary package are connected, guarantees the structure on layer of fusing.

Furthermore, the number of the isolating ribs is one circle or two or more than two circles. The multiple circles of partition ribs can play multiple protection roles.

Furthermore, the width of the section of one side of the partition rib is 0.2-0.5mm. Not only plays a role in blocking, but also can be partially melted to form a fusion layer, so that the tightness of the combination between the primary plastic coating layer and the secondary plastic coating layer is ensured.

Further, the primary plastic-coated layer is made of ABS or PC or an alloy of ABS and PC, and the secondary plastic-coated layer is made of PBT (polybutylene terephthalate) and glass fiber or PP (polypropylene) and glass fiber or nylon and glass fiber. The materials are easy to obtain and are favorable for forming a fusion layer.

Furthermore, the number of the copper paths is multiple and is not connected with each other.

The utility model also discloses an automobile door lock, including the copper way, and as above casing protection architecture, this casing protection architecture parcel copper way, the exposed formation of one end on copper way connects the socket, and casing protection architecture is worn out to its other end.

The utility model has the advantages that: the melting point difference of the primary plastic-coated layer and the secondary plastic-coated layer is utilized, the secondary plastic-coated layer material which is melted at high temperature enables the surface of the primary injection layer to be partially melted and completely fused with the secondary plastic-coated layer to form a fused layer, the tightness of the connection of the primary plastic-coated layer and the secondary plastic-coated layer is improved, the water resistance of the shell protection structure is improved, the short circuit of a copper path in water is effectively avoided, and the safety performance is guaranteed; the processing process is relatively simple.

Drawings

Fig. 1 is a perspective view of the copper road of the utility model wrapped by a plastic layer.

Fig. 2 is a first perspective view of the middle copper road covered by the plastic layer.

Fig. 3 is a second perspective view of the middle copper road covered by the plastic layer.

Fig. 4 is the local section enlarged view of the middle copper road covered by the primary plastic covering layer and the secondary plastic covering layer.

Figure 5 is the utility model discloses well copper way is once wrapped up the local section enlargedly of moulding the layer and secondary package and moulding the layer parcel, and the reference column periphery has the disconnected muscle this moment.

Fig. 6 is a partial section enlarged view of the plastic layer, the transition layer and the secondary plastic layer of the first plastic coating of the utility model.

Fig. 7 is a first perspective view of the middle copper road covered by the first plastic covering layer and the second plastic covering layer.

Fig. 8 is a second perspective view of the middle copper road covered by the first plastic covering layer and the second plastic covering layer.

Detailed Description

In order to make the technical solution of the present invention better understood, the following figures in the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

As shown in fig. 1-8, a shell protection structure for an automobile door lock comprises a primary plastic-coated layer 1 for coating a copper circuit 5 of an automobile door lock 4, a secondary plastic-coated layer 2 coated on the outer side of the primary plastic-coated layer 1, and a fusion layer 3. The fusion layer 3 is positioned between the primary plastic-coated layer 1 and the secondary plastic-coated layer 2 and is formed by fusing parts of the primary plastic-coated layer 1 and the secondary plastic-coated layer 2.

Specifically, the number of the copper paths 5 is one or more, and when the number is more than one, they may not be connected to each other. The melting point of the primary plastic-coated layer 1 is lower than that of the secondary plastic-coated layer 2, after the primary plastic-coated layer 1 finishes plastic-coated processing of the copper circuit 5, the secondary plastic-coated layer 2 is processed, and in the processing process of the secondary plastic-coated layer 2, part of the surface of the primary plastic-coated layer 1 is melted and fused with the secondary plastic-coated layer 2 to form the fused layer 3, as shown in fig. 6.

The difference between the melting point of the secondary plastic-coated layer 2 and the melting point of the primary plastic-coated layer 1 is 20-50 ℃, namely the melting point of the secondary plastic-coated layer 2 is 20-50 ℃ higher than that of the primary plastic-coated layer 1.

The material of the primary plastic coating layer 1 can be ABS, or PC, or ABS and PC alloy. The material of the secondary plastic coating layer 2 can be glass fiber reinforced PBT, glass fiber reinforced PP or glass fiber reinforced PA, and the materials are all commercially available products. The material of the primary plastic-coated layer 1 and the material of the secondary plastic-coated layer 2 have good compatibility, so that the compatibility can be ensured.

In order to form a positioning effect on the processing process of the secondary plastic-coated layer 2, a plurality of positioning columns 11 are arranged on the surface of the primary plastic-coated layer 1, penetrate through the secondary plastic-coated layer 2, penetrate vertically in the embodiment, and penetrate obliquely in other embodiments. Therefore, in the processing process of the secondary plastic-coated layer 2, the material of the secondary plastic-coated layer 2 is positioned between the adjacent positioning columns 11, and the processing positioning is more accurate.

In order to further guarantee that copper way 5 isolates moisture, be provided with in the periphery of reference column 11 and separate disconnected muscle 12, should cut off muscle 12 and be cyclic annular around reference column 11's outer lane a week, even produce the clearance between reference column 11 and the secondary plastic-coated layer 2, also can block the liquid that flows in from the clearance through separating disconnected muscle 12, avoid it further to permeate to copper way 5, avoid copper way 5 short circuit to cause automobile door lock's trouble, the security performance is higher.

The number of the partition ribs 12 is one circle or two circles or more, and the width of the cross section of one side of the partition ribs is 0.2-0.5mm, that is, L =0.2-0.5mm in fig. 5.

The utility model discloses in be used for automobile door lock's casing protection architecture's course of working is, copper way 5 is earlier moulded layer 1 parcel by once the package, accomplish processing back, mould layer 2 parcel by the secondary package once more, because the secondary package is moulded layer 2's melting point and is higher than the melting point that layer 1 was moulded to once the package, the package of having accomplished processing moulds layer 1 surface and can be melted, because the material that layer 2 was moulded to the secondary package and the material that layer 1 was moulded to once package have better melting mutually, once the package mould layer 1 and secondary package mould form fusion layer 3 between layer 2, guarantee once the package mould layer 1 and secondary package mould layer 2 surface closely bond. Of course, due to the arrangement of the partition ribs 12, the parts of the partition ribs 12 can be melted, and the fusion tightness of the primary plastic-coated layer 1 and the secondary plastic-coated layer 2 is further enhanced.

The utility model also discloses an automobile door lock, it includes inside copper way 5, and parcel copper way 5, to the 5 casing protection architecture that form the protection in copper way, this casing protection architecture is promptly for above-mentioned structure, specifically no longer gives unnecessary details.

After the shell protection structure wraps the copper path 5, one end of the copper path 5 is exposed to form a socket 51, the socket 51 can be connected with a vehicle body line, the other end 52 of the copper path 5 penetrates out of the shell protection structure and can be connected with electrical elements such as a microswitch and the like, and the rest part of the copper path 5 is tightly wrapped by the primary plastic coating layer 1, the fusion layer 3 and the secondary plastic coating layer 2 to form a good protection effect.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, and any modifications and variations of the present invention are within the spirit and scope of the following claims.

Claims

1. A housing protective structure for an automobile door lock, comprising:

the primary plastic-coated layer (1) is used for wrapping a copper circuit (5) of an automobile door lock (4);

the secondary plastic-coated layer (2) is wrapped on the outer side of the primary plastic-coated layer (1);

the fusion layer (3) is positioned between the primary plastic coating layer (1) and the secondary plastic coating layer (2), and is formed by fusing the parts of the primary plastic coating layer (1) and the secondary plastic coating layer (2).

2. A housing protective structure for an automobile door lock according to claim 1, characterized in that: the melting point of layer (1) is moulded to first package is less than the melting point that layer (2) was moulded to the secondary package, moulds the course of working of layer (2) at the secondary package, and layer (1) surface part is moulded to first package melts and moulds layer (2) with the secondary package and fuse formation layer (3) fuses.

3. A housing protective structure for an automobile door lock according to claim 2, characterized in that: the difference between the melting point of the secondary plastic-coated layer (2) and the melting point of the primary plastic-coated layer (1) is 20-50 ℃.

4. The housing protective structure for an automobile door lock according to claim 1, characterized in that: the surface of the primary plastic-coated layer (1) is provided with a positioning column (11), and the positioning column (11) penetrates through the secondary plastic-coated layer (2).

5. The casing protecting structure for an automobile door lock according to claim 4, wherein: the periphery of the positioning column (11) is provided with a blocking rib (12) which surrounds the positioning column (11) in an annular shape for a circle.

6. A housing protective structure for an automobile door lock according to claim 5, characterized in that: the number of the isolating ribs (12) is one circle or two or more than two circles.

7. A housing protective structure for an automobile door lock according to claim 5, characterized in that: the width of the section of one side of the blocking rib (12) is 0.2-0.5mm.

8. A housing protective structure for an automobile door lock according to claim 1, characterized in that: the material of the primary plastic-coated layer (1) is ABS or PC or ABS and PC alloy, and the material of the secondary plastic-coated layer (2) is glass fiber reinforced PBT or glass fiber reinforced PP or glass fiber reinforced PA.

9. A housing protective structure for an automobile door lock according to claim 1, characterized in that: the number of the copper paths (5) is multiple and is not connected with each other.

10. An automobile door lock, characterized in that: comprising a copper path (5), and a casing protection structure according to any one of claims 1 to 8, which encloses the copper path (5), one end of the copper path (5) being exposed to form a socket (51) and the other end (52) thereof protruding through the casing protection structure.