CN204243331U - A USB interface - Google Patents

Abstract

The utility model discloses a kind of USB interface, comprising: housing, it has blind end and openend, is provided with contact in described housing; At least two elastic partss, its one end is separately fixed at the blind end of described housing; Baffle plate, it is connected with the other end of arbitrary described elastic parts, and described baffle plate is arranged in described housing cavity, and described baffle plate is provided with the through hole passed through for described contact.The utility model improves USB body, elastic parts is increased by the enclosure interior in USB interface, can effectively prevent dust and foreign matter from entering in USB interface, avoid the damage of the USB interface that user causes because of improper use simultaneously, reduce the complexity of user operation, owing to noting be used in USB interface place additional designs lid, reduce the complexity of structure, decrease material simultaneously and reduce the complexity of production mould of housing, thus reduce the cost of electronic product.

Description

A USB interface

technical field

The utility model relates to the technical field of electronic products. More specifically, the utility model relates to a USB interface.

Background technique

Generally, the USB interfaces of electronic products are exposed, but after a long period of use, dust or foreign matter is easy to accumulate, which will lead to poor contact of the USB or scratches on the contacts inside.

In order to solve the above problems, electronic products currently on the market add a rubber or plastic cover to the USB interface in order to prevent dust and foreign objects. When using the cover, open the cover and insert the USB connector into the USB interface. After use, The USB interface is directly covered with a cover, thereby protecting the USB interface, but adding a cover means an increase in product cost, and increases the complexity of the user's use of the USB interface. If the cover is forgotten after use, or the cover is not closed properly, It is easy to enter foreign matter and dust, which has a great impact on electronic products.

In view of the above description, there is an urgent need for a method that can effectively prevent dust and foreign matter from entering the USB interface, and can avoid damage to the contacts in the USB interface caused by improper use by users, reduce the complexity of user operations and structure, and at the same time can Generation of USB interface to reduce product cost.

Utility model content

The purpose of this utility model is to overcome the defects of the prior art, to provide a device that can effectively prevent dust and foreign objects from entering the USB interface, and avoid damage to the contacts in the USB interface caused by improper use by users, and reduce the complexity of user operations. and the complexity of the structure, and can reduce the cost of the USB interface at the same time.

In order to solve the above problems, the utility model discloses a USB interface, which is characterized in that it includes:

a housing with a closed end and an open end, the housing is provided with contacts;

At least two elastic components, one end of which is respectively fixed on the closed end of the housing;

A baffle, which is connected to the other end of any one of the elastic components, the baffle is located in the inner cavity of the housing, and a through hole for the contact piece to pass is arranged on the baffle. The at least two elastic components are used to connect the closed end of the housing and the baffle, for example, the at least two elastic components can be fixed on the closed end of the housing and the baffle by welding, For example, in order to ensure that the elastic components are evenly stressed, the at least two elastic components may be two, one end of which is fixed to the closed end of the housing, and the other end is respectively fixed on both sides of the through hole. When in use, the user only needs to directly insert the USB connector into the USB interface, and under the action of artificial force, the baffle moves from the open end of the housing along its side wall to the closed end of the housing. The contact piece passes through the through hole on the baffle plate, and under the pushing action of the baffle plate, the two elastic components such as springs will be compressed, so that the USB connector and the metal contact piece on the contact piece contacts for data transmission. After use, the user pulls out the USB connector from the USB interface, and the two elastic components will return to their original shape without external force, thus pushing the baffle to move from the closed end of the housing to At this time, the contact piece will pass through the through hole, and under the restoring force of the elastic component such as a spring, the baffle is pushed to the open end of the housing and covers the housing The open end of the baffle, so that the baffle protects the contacts and prevents dust and foreign matter from entering the USB interface. The utility model fixes an elastic component in the inner cavity of the USB interface, and uses the elastic component to connect the closed end of the USB interface and the baffle, and the elastic component, such as a spring, is compressed and restored to its original state. , the baffle moves between the closed end and the open end of the housing, so as to expose the metal contact piece to contact with the USB connector during operation and to cover the open end of the USB interface during non-operation , so it can effectively prevent dust and foreign matter from entering the USB interface, reducing the replacement rate of the USB interface. Since there is no need for an additional design cover, it can prevent dust and foreign matter and protect the contacts, thereby reducing the complexity of the electronic product structure, reducing the use of materials and reducing the complexity of the production mold of the shell, reducing the the cost of the product. At the same time, the interface damage caused by improper use by users is avoided, the complexity of user operations is reduced, and the use performance of end users is improved. The structure of the utility model is suitable for mecro USB interface, standard USB and mini USB interface.

In one of the embodiments, in the USB interface, the closed end of the housing is provided with a first groove for accommodating the elastic component. One end of the elastic component is fixed in a groove at the closed end of the housing, and the groove is used for accommodating the elastic component.

In one of the embodiments, in the USB interface, a second groove is formed on the inner surface of the baffle, and the second groove is connected with the elastic component. For example, the second groove can be provided on both sides of the through hole, and the other end of the elastic component is fixed in the second groove on the inner wall of the baffle, and the second groove is used to accommodate the elastic component.

In one embodiment, in the USB interface, the elastic component is accommodated in the accommodation space formed by the first groove and the second groove. When the elastic component, such as a spring, is in a compressed state, the elastic component is accommodated in the accommodating space. The accommodating space is not only used for accommodating the elastic component, but also for guiding the elastic component, so as to prevent the elastic component from twisting and deforming during the expansion and contraction process.

In one embodiment, in the USB interface, a positioning protrusion is provided on the side wall of the baffle, and a limiting groove that can be embedded in the positioning protrusion is provided on the inner wall of the housing. Due to the use of the elastic component, in order to prevent the baffle from being pushed out, positioning protrusions are provided on the baffle, for example, the positioning protrusions are provided on one or more side walls of the baffle. Cooperating with the positioning protrusion, the limiting groove is arranged on the inner wall of the housing, and the limiting groove extends from the closed end of the housing to the open end, so that the baffle can block Hold the open end of the housing, and prevent the baffle from being bounced out of the USB interface by the elastic component.

In one embodiment, in the USB interface, the board surface of the baffle coincides with the cross-section of the inner cavity of the housing, and the side wall of the baffle fits against the inner wall of the housing. So that the baffle is in close contact with the inner cavity of the casing, and can better seal the open end of the USB interface.

In one of the embodiments, in the USB interface, the contact piece further includes a plurality of metal contact pieces, and the metal contact pieces are arranged on the contact piece at intervals; Under the action, a linear reciprocating motion is made between the open end and the closed end of the shell along the inner wall of the shell. When the baffle plate is located at the closed end, the contact piece passes through the through hole, and the The metal contact piece is attached to the inner wall of the through hole. Since the metal contact piece is arranged on the surface of the contact piece, it is necessary to ensure that the inner wall of the through hole fits with the metal contact piece, so that the opening end of the USB interface can be better closed and dust-proof Anti-foreign matter and protection effect is the best.

In one embodiment, in the USB interface, the wall thickness of the baffle is not greater than the minimum distance between the free end of the contact member and the closed end of the housing. When the elastic component is in a compressed state, the inner surface of the baffle contacts the closed end of the housing, and the wall thickness of the baffle is not greater than that between the end of the contact member close to the closed end of the housing and the closed end of the housing. The distance between the closed end of the housing, that is, when the elastic component is compressed, the baffle cannot cover the contact piece, so that the USB connector can better contact the metal contact piece.

In one of the embodiments, in the USB interface, the baffle is made of non-conductive material. Since the conductive material will interfere with the contact between the USB connector and the metal contact piece, a non-conductive material baffle is selected. For example, in order to reduce product costs, the baffle can be made of plastic material, which has strong plasticity, heat resistance, and will not interfere with the signal. , and has good impact resistance, and will not increase the weight of the electronic product itself.

In one embodiment, in the USB interface, the elastic component is a spring or a shrapnel, and the elastic component is fixed on the first groove and the second groove by welding or buckling. The elastic force of the spring or shrapnel is relatively light, and the force that can push out the baffle is taken as the standard. These connection methods firmly fix the elastic components such as springs on the closed end of the housing and the baffle, avoiding the phenomenon of connection interruption caused by loose fixation during use, resulting in the baffle not being able to bounce Returning to the open end of the housing, it is not only unable to prevent dust and foreign matter, but also brings troubles to subsequent work.

The beneficial effects of the utility model are:

1. The utility model arranges elastic components in the casing of the USB interface, connects the USB body and the baffle through the elastic components, effectively prevents the entry of dust and foreign matter, and reduces the damage replacement rate of the contacts in the USB interface.

2. Since the utility model does not need to design an additional cover at the USB interface, the structure complexity of the electronic product is reduced, and the materials of the whole machine and the complexity of the production mold of the shell are reduced at the same time, thereby reducing the cost of the mobile phone.

3. The USB interface of the present utility model greatly improves the experience performance of end users, solves the damage of the USB interface caused by improper use by users, and reduces the complexity of user operations.

Description of drawings

Fig. 1 is a schematic diagram of the decomposition structure of the USB interface described in one of the embodiments of the present invention;

Fig. 2 is the A-A cross-sectional view of the non-working state of the USB interface described in one of the embodiments of the present invention;

Fig. 3 is a schematic structural diagram of the working state of the USB interface described in one of the embodiments of the present invention;

Fig. 4 is a schematic structural diagram of the non-working state of the USB interface described in one of the embodiments of the present invention;

Fig. 5 is an A-A sectional view of the working state of the USB interface described in one embodiment of the present invention.

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings, so that those skilled in the art can implement it by referring to the description.

As shown in Figure 1, the structure of the USB interface described in the utility model comprises:

A housing 1, which has a closed end 2 and an open end 3, and a contact piece 4 is arranged in the housing 1;

At least two elastic components 5, one end of which is respectively fixed on the closed end 2 of the housing;

A baffle 6, which is connected to the other end of any one of the elastic components 5, the baffle 6 is located in the inner cavity 7 of the housing, and the baffle 6 is provided with a through-hole for the passage of the contact piece 4 Hole 8. As shown in Figure 2, the at least two elastic components 5 are used to connect the closed end 2 of the housing and the baffle 6, for example, the at least two elastic components 5 can be fixed on the housing by welding The closed end 2 of the housing and the baffle 6 to ensure that the elastic component 5 will not be disconnected from the closed end 2 of the housing and the baffle 6 when stretching. For example, in order to ensure that the elastic components are evenly stressed, the at least two elastic components 5 can be two, one end of which is fixed on the closed end 2 of the housing, and the other end is respectively fixed on both sides of the through hole 8 . As shown in Figures 3 and 5, the user only needs to insert the USB connector directly into the USB interface, and under the action of artificial force, the baffle plate 6 starts from the open end 3 of the housing along its side. The wall moves to the closed end 2 of the housing, the contact piece 4 passes through the through hole 8 on the baffle, and under the push of the baffle 6, the at least two elastic components 5 will be compressed , so that the USB connector is in contact with the metal contact piece 14 to realize data transmission. As shown in Figure 4, when the user pulls out the USB connector from the USB interface after use, the at least two elastic components 5 will return to their original shape without external force, thus pushing the baffle plate 6 from The closed end 2 of the housing moves to the open end 3, at this time the contact piece 4 passes through the through hole 8, and the baffle plate 6 is moved by the restoring force of the elastic component 5 such as a spring. Pushing toward the opening end 3 and covering the opening end 3 of the housing, the baffle plate 6 protects the contact piece 4 and prevents dust and foreign objects from entering the USB interface. The utility model fixes the elastic component 5 in the inner cavity 7 of the USB interface, the elastic component 5 is used to connect the closed end 2 of the USB interface and the baffle plate 6, and the elastic component 5 is compressed In the process of returning to its original shape, the baffle plate 6 moves between the closed end 2 and the open end 3 of the housing, so as to realize that the metal contact piece 4 is exposed to contact with the USB connector when it is working and when it is not working The open end 3 of the USB interface can be blocked, so dust and foreign objects can be effectively prevented from entering the USB interface, and the replacement rate of the USB interface can be reduced. Since there is no need for an additional design cover, it can prevent dust and foreign matter and protect the contacts, thereby reducing the complexity of the electronic product structure, reducing the use of materials and reducing the complexity of the production mold of the shell, reducing the the cost of the product. At the same time, the interface damage caused by improper use by users is avoided, the complexity of user operations is reduced, and the use performance of end users is improved. The structure of the utility model is suitable for mecro USB, standard USB and mini USB.

As shown in FIG. 2 , in one embodiment, the closed end 2 of the housing is provided with a first groove 9 for accommodating the elastic component 5 . One end of the elastic component 5 is fixed in a first groove 9 at the closed end of the casing, and the first groove 9 is used for accommodating the elastic component 5 .

As shown in FIG. 2 , in one embodiment, a second groove 10 is defined on the inner surface of the baffle plate 6 , and the second groove 10 is connected with the elastic component 5 . For example, the second groove 10 can be provided on both sides of the through hole 8, and the other end of the elastic component 5 is fixed in the second groove 10 on the inner wall of the baffle plate 6, and the second The groove 10 is used to accommodate the elastic component 5 .

As shown in FIG. 5 , in one embodiment, the elastic component 5 is accommodated in the accommodation space 11 formed by the first groove 9 and the second groove 10 . In the working state, the elastic component 5 is in a compressed state, and the elastic component 5 is accommodated in the accommodating space 11 . The accommodating space 11 is not only used for accommodating the elastic component 5 , but also for guiding the elastic component 5 so as to prevent the elastic component 5 from twisting and deforming during the expansion and contraction process.

As shown in Fig. 1 and Fig. 2, in one of the embodiments, the side wall of the baffle plate 6 is provided with a positioning protrusion 12, and the inner wall of the housing is provided with a limit which can be embedded in the positioning protrusion. bit groove 13. Due to the use of the elastic assembly 5, in order to prevent the baffle 6 from being pushed out, a positioning protrusion 12 is provided on the baffle, for example, the positioning protrusion 12 is arranged on one or more sides of the baffle 6 on the wall. Cooperating with the positioning protrusion 12, the limiting groove 13 is arranged on the inner wall of the housing 1, and the limiting groove 13 extends from the closed end 2 of the housing to the open end 3, so that The baffle 6 can cover the open end 3 of the housing and prevent the baffle 6 from being bounced out of the USB interface by the elastic component 5 .

In one embodiment, the board surface of the baffle 6 coincides with the cross section of the inner cavity 7 of the casing, and the side wall of the baffle 6 is attached to the inner wall of the casing 1 . The opening end 3 of the USB interface can be better closed so that the baffle plate 6 is in close contact with the inner cavity 7 of the housing.

As shown in Figure 2, in one of the embodiments, the contact piece 4 further includes a plurality of metal contact pieces 14, and the metal contact pieces 14 are arranged on the contact piece 4 at intervals; Under the movement of the elastic assembly 5, a linear reciprocating motion is made between the open end 3 and the closed end 2 of the housing 1 along the inner wall of the housing 1. When the baffle 6 is located at the closed end 2, the The contact piece 4 passes through the through hole 8 , and the metal contact piece 14 adheres to the inner wall of the through hole 8 . Since the metal contact piece 14 is arranged on the surface of the contact piece 4, it is necessary to ensure that the inner wall of the through hole 8 fits with the metal contact piece 14, so that the opening of the USB interface can be better closed End, dustproof, foreign matter and protection effect is the best.

In one embodiment, the wall thickness of the baffle plate 6 is not greater than the minimum distance between the free end of the contact member 4 and the closed end 2 of the housing. When the elastic assembly 5 is compressed, the inner wall of the baffle 6 contacts the closed end 2 of the housing, and the wall thickness of the baffle 6 is not larger than that of the contact piece 4 close to the housing. The distance between one end of end 2 and the closed end 2 of the housing, that is, when the elastic component 5 is compressed, the baffle plate 6 cannot cover the contact piece 4, so that the USB connector can better contact the metal Sheet 4 contacts.

In one of the embodiments, the baffle 6 is made of non-conductive material. Since the conductive material will interfere with the contact between the USB connector and the metal contact piece, a baffle made of non-conductive material is selected. For example, in order to reduce product cost, the baffle may be made of plastic material. The baffle 6 is made of plastic material, which has strong plasticity, heat resistance, will not interfere with signals, has good impact resistance, and will not increase the weight of the electronic product itself.

In one embodiment, the elastic component 5 is a spring or a shrapnel, and the elastic component 5 is fixed on the first groove 9 and the second groove 10 by welding or buckling. The elastic force of the spring or shrapnel is relatively light, and the force that can push out the baffle plate 6 is taken as the standard. These connection methods firmly fix the elastic component 5 on the closed end 2 of the housing and the baffle 6, avoiding the phenomenon of connection interruption caused by the insecure fixation during use, resulting in the baffle 6 Can not bounce back to the open end 3 of the housing, not only can not prevent dust and foreign matter, but also bring troubles to the follow-up work.

Although the embodiment of the present utility model has been disclosed as above, it is not limited to the use listed in the description and the implementation, and it can be applied to various fields suitable for the present utility model. For those familiar with the art, Further modifications can be readily effected, so the invention is not limited to the specific details and examples shown and described herein without departing from the general concept defined by the claims and their equivalents.

Claims (10)

1. a USB interface, is characterized in that, comprising:

Housing, it has blind end and openend, is provided with contact in described housing;

At least two elastic partss, its one end is separately fixed at the blind end of described housing;

Baffle plate, it is connected with the other end of arbitrary described elastic parts, and described baffle plate is arranged in described housing cavity, and described baffle plate is provided with the through hole passed through for described contact.

2. USB interface as claimed in claim 1, it is characterized in that, the blind end of described housing is provided with the first groove for holding described elastic parts.

3. USB interface as claimed in claim 2, it is characterized in that, described baffle plate inner plate surface offers the second groove, and described second groove is connected with described elastic parts.

4. USB interface as claimed in claim 3, is characterized in that, described elastic parts is accommodated in the spatial accommodation that described first groove and described second groove formed.

5. USB interface as claimed in claim 4, it is characterized in that, the sidewall of described baffle plate is provided with positioning convex, and the inwall of described housing is provided with the limited impression that can embed described positioning convex.

6. USB interface as claimed in claim 1, it is characterized in that, the plate face of described baffle plate and the cross section of described housing cavity coincide, the inwall of described housing and the sidewall of described baffle plate is fitted.

7. USB interface as claimed in claim 1, it is characterized in that, described contact also comprises multiple Metal Contact sheet, and described Metal Contact sheet is disposed on described contact; Described baffle plate is under the effect of described elastic parts, along the intercropping linear reciprocal movement of described inner walls at described shell nozzle end and blind end, when described baffle plate is positioned at described blind end, described contact is through described through hole, and described Metal Contact sheet is fitted the inwall of described through hole.

8. USB interface as claimed in claim 7, it is characterized in that, the wall thickness of described baffle plate is not more than the minimum range of free end apart from described housings close end of described contact.

9. USB interface as claimed in claim 1, it is characterized in that, described baffle plate is non-conducting material.

10. USB interface as claimed in claim 4, it is characterized in that, described elastic parts is spring or shell fragment, and described elastic parts is fixed on described first groove and the second groove by welding or snap.