CN207250812U - Usb connector - Google Patents

Abstract

The utility model discloses a USB connector, which comprises a connector body and a shell, wherein the connector body comprises a base part, and the base part extends forwards to form a plug; the shell comprises a first shell and a second shell, the first shell is bent and extended towards the second shell to form a first bent part, the second shell is bent and extended towards the first shell to form a second bent part, the first bent part and the second bent part are mutually butted, clamped and connected, the first shell and the second shell are butted, clamped and connected through the first bent part and the second bent part to form an inserting cavity, elastic cantilever parts are symmetrically arranged on two opposite sides of the second bent part, an inward pressing part is further arranged at an opening of the inserting cavity, when the base part is inserted into the inserting cavity, the pressing part presses against the base part, and the cantilever parts clamp the base part; the utility model has the advantages of simple structure, production low in manufacturing cost, fixed effectual and easily assembly.

Description

usb connector

technical field

The utility model relates to the technical field of connectors, in particular to a USB connector.

Background technique

As a new type of connector, the USB connector is widely used as a connection port of various electronic products. In the prior art, one is to directly insert the base of the connector body into the insertion cavity of the housing for fixing, but in daily use, it is often necessary to repeatedly plug and unplug the plug of the USB connector. The non-standard angle and strength will easily cause the connector body and the shell to shift and then peel off each other, which will easily cause damage to the USB connector and greatly affect the service life of the USB connector; the other is by adding The fixing mechanism is used to fix the connector body and the housing. Since the structure of the fixing mechanism is relatively complicated, it is not convenient to assemble the USB connector, and the manufacturing cost is increased.

Therefore, there is an urgent need for a USB connector with simple structure, low manufacturing cost, good fixing effect and easy assembly.

Utility model content

The purpose of the utility model is to provide a USB connector with simple structure, low manufacturing cost, good fixing effect and easy assembly.

To achieve the above object, the utility model provides a USB connector, which includes a connector body and a housing, the connector body includes a base, and the base extends forward to form a plug; the housing includes a first shell body and a second shell, the first shell bends and extends toward the second shell to form a first bent portion, and the second shell bends and extends toward the first shell to form a second bend The first bending part and the second bending part are butted and engaged with each other, and the first casing and the second casing are connected by the first bending part and the second bending part. The two bent parts are butt-jointed and connected to form a plug-in cavity, and the opposite sides of the second bent part are symmetrically provided with elastic cantilever parts, and the opening of the plug-in cavity is also provided with an inward pressing part, so When the base is inserted into the insertion cavity, the pressing portion presses against the base and the cantilever portion clamps the base.

Compared with the prior art, the USB connector of the utility model is provided with elastic cantilever parts symmetrically on both sides directly opposite to the second bending part, without additional fixing mechanism, the structure is simpler, and the manufacturing cost is lower; assembly , the base of the connector body is clamped and fixed on the second shell by the cantilever portion, and then the first shell and the second shell are snapped and connected to complete the assembly, which makes it easier to assemble the USB connector ;Because the opening of the socket cavity is provided with an inward pressure part, when the base is inserted into the socket cavity, the pressure part supports and further presses and fixes the base, which improves the fixing effect and prevents the plug of the connector body from being inserted repeatedly. Damage occurred.

Preferably, the cantilever portion protrudes into the insertion cavity.

Preferably, the first housing protrudes toward the insertion cavity to form a first pressing portion, the second housing protrudes toward the insertion cavity to form a second pressing portion, the first The pressing portion and the second pressing portion butt against each other to form the pressing portion.

Preferably, the base is provided with a groove matching the cantilever portion, and when the cantilever portion clamps the base, the cantilever portion extends into the groove.

Preferably, a plurality of locking holes are symmetrically provided on opposite sides of the first bending portion, and a plurality of locking protrusions are formed on opposite sides of the second bending portion corresponding to the locking holes, and the first shell The body and the second shell are locked and fixed to each other by the locking hole and the locking protrusion.

Preferably, the diameter of the locking protrusion is equal to the diameter of the locking hole.

Preferably, the first shell and the first bent portion are perpendicular to each other.

Preferably, the second shell and the second bent portion are perpendicular to each other.

Description of drawings

Fig. 1 is a schematic diagram of the structure of the USB connector of the present invention.

Fig. 2 is an exploded view of the USB connector of the present invention.

FIG. 3 is a schematic view of the structure of the USB connector of the present invention when the base is clamped by the cantilever.

Detailed ways

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements.

1 and 2, the USB connector 100 of this embodiment includes a connector body 10 and a housing 20, and the connector body 10 and the housing 20 are assembled to obtain the USB connector 100 of this embodiment. . Wherein, the connector body 10 includes a base portion 11, and the base portion 11 extends forward to form a plug 12, and the plug 12 is electrically connected to an external device (not shown in the figure) by plugging and unplugging. The casing 20 includes a first casing 21 and a second casing 22 , the first casing 21 is bent and extended toward the second casing 22 to form a first bent portion 211 , and the second casing 22 is bent toward the first casing 21 The second bending portion 221 is formed by folding and extending, and the first bending portion 211 and the second bending portion 221 are butted and engaged with each other to form the housing 20 . In this embodiment, when the first bending part 211 and the second bending part 221 are butted and engaged with each other, the first bending part 211 is engaged with the outside of the second bending part 221, so that the first housing 21 The second housing 22 can be engaged and fixed from the outside of the second housing 22 . The first shell 21 and the second shell 22 are butt-fitted and connected by the first bent portion 211 and the second bent portion 221 to form an insertion cavity, which is used for inserting and fixing the connector body 10 . Elastic cantilever portions 2211 are symmetrically disposed on opposite sides of the second bending portion 221 , and an inwardly pressing portion 23 is also disposed at the opening of the insertion cavity. Specifically as shown in Figure 3, when the base 11 is inserted into the socket cavity, the pressing part 23 is pressed against the base 11 and the cantilever part 2211 clamps and fixes the base 11, realizing the dual function of the pressing part 23 and the cantilever part 2211 on the base 11. fixed.

Please refer to Fig. 2 and Fig. 3, the cantilever portion 2211 protrudes in the insertion cavity, so that the width between the cantilever portions 2211 on opposite sides of the second bent portion 221 is smaller than the width of the insertion cavity, when the base 11 is inserted into the insertion cavity When inside, the base 11 presses against the cantilever 2211, and the cantilever 2211 expands under pressure to generate elastic deformation and clamp the base 11 under the action of the elastic restoring force, and the base 11 is clamped by the elastic restoring force of the cantilever 2211 on both sides, thereby It is fixed on the second housing 22 . Preferably, the base 11 is provided with a groove 111 matched with the cantilever portion 2211. When the cantilever portion 2211 clamps the base 11, the cantilever portion 2211 extends into the groove 111, so that when the plug 12 is plugged and pulled out with the external device, the cantilever The portion 2211 can be firmly clamped in the groove 111 and will not be easily displaced relative to the groove 111 due to external force, thereby further improving the fixing effect between the connector body 10 and the housing 20 .

Please refer to FIG. 2 , the first housing 21 protrudes toward the insertion cavity to form a first pressing portion 231 , the second housing 22 protrudes toward the insertion cavity to form a second pressing portion 232 , the first pressing portion 231 abuts against the second pressing portion 232 to form the pressing portion 23 . As shown in Figure 3, when the base 11 is inserted into the socket cavity, the first pressing portion 231 is pressed against the upper half of the base 11, the second pressing portion 232 is pressed against the lower half of the base 11, and the first pressing portion 232 is pressed against the lower half of the base 11. The portion 231 and the second resisting portion 232 cooperate and press against each other to realize all-round covering and fixing of the base 11 , so as to enhance the fixing effect between the connector body 10 and the housing 20 . Cooperating with the clamping of the base 11 by the cantilever portion 2211 , the triple fixing of the first pressing portion 231 , the second pressing portion 232 and the cantilever portion 2211 to the base 11 is realized.

Please continue to refer to FIG. 2, the first shell 21 and the first bent portion 211 are perpendicular to each other, the second shell 22 and the second bent portion 221 are perpendicular to each other, and the first shell 21 and the first bent portion 211 , the second housing 22 and the second bending portion 221 are respectively arranged in a vertical structure to facilitate the snap-fit connection between the first housing 21 and the second housing 22 . The opposite sides of the first bending part 211 are symmetrically provided with a plurality of locking holes 2111, and the opposite sides of the second bending part 221 are formed corresponding to the locking holes 2111 to form a plurality of locking protrusions 2212. The diameter of the locking protrusions 2212 is the same as that of the locking holes 2111. The diameters are equal, and when the first shell 21 and the second shell 22 are butt-connected, the first shell 21 and the second shell 22 are fixed by locking each other through the locking hole 2111 and the locking protrusion 2212 . It should be noted that the number of locking holes 2111 and locking protrusions 2212 is not specifically limited, and may be one pair, two pairs or three pairs, etc., which can be set according to actual conditions, so it is not limited here.

The assembly process of the USB connector 100 of this embodiment will be described in detail below:

First insert the base 11 into the second housing 22 along the direction of the socket cavity, so that the base 11 presses against the cantilever 2211, and the cantilever 2211 expands under pressure to produce elastic deformation and clamps the base 11 under the action of the elastic restoring force. The base 11 is subjected to The clamping of the elastic restoring force of the cantilever parts 2211 on both sides is fixed on the second housing 22. The cantilever parts 2211 extend into the groove 111 of the base 11 to prevent displacement due to external force. At this time, the lower half of the base 11 Part of it presses against the second pressing portion 221 of the second housing 22 and is clamped and fixed by the cantilever portion 2211 . Then align the first housing 21 with the second housing 22 for butt connection, the first bending part 211 is engaged with the outside of the second bending part 221, and the locking hole 2111 of the first bending part 211 is connected to the second bending part 211. The locking protrusions 2211 of the folded portion 221 are engaged with each other, so that the first housing 21 can engage and fix the second housing 22 from the outside of the second housing 22 to form the housing 20. At this time, the second housing 21 of the first housing 21 A pressing portion 231 is pressed against the upper half of the base 11 . The base 11 of the connector body 10 is located in the insertion cavity of the housing 20 and is pressed and fixed by the pressing portion 23 in the insertion cavity, and the base 11 is further clamped by the cantilever portion 22141 of the second housing 22, realizing The triple fixation prevents the connector body 10 and the housing 20 from being damaged due to mutual displacement when the plug 12 of the USB connector 100 of this embodiment is repeatedly plugged and pulled out of the external device.

It should be noted that the USB of the USB connector 100 of the present invention includes but not limited to Type-C, Type-A, Type-B, and MINI, etc., so it is not limited here.

As shown in Figures 1-3, the USB connector 100 of the present invention is symmetrically provided with elastic cantilever portions 2211 on both sides directly opposite to the second bending portion 221, without additional fixing mechanisms, the structure is simpler, and the production and manufacturing The cost is lower; when assembling, the base 11 of the connector body 10 is clamped and fixed on the second housing 22 through the cantilever part 2211 first, and then the first housing 21 and the second housing 22 are snapped and connected. After the assembly is completed, it is easier to assemble the USB connector 100; since the opening of the insertion cavity is provided with an inward pressing portion 23, when the base 11 is inserted into the insertion cavity, the pressing portion 23 supports and further presses and fixes the base 11, The fixing effect is improved, and the plug 12 of the connector body 10 is prevented from being damaged during repeated insertion and extraction.

What is disclosed above is only the preferred embodiment of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model .

Claims (8)

1. A USB connector, characterized in that, comprising: a connector body, the connector body includes a base extending forward to form a plug; The casing, the casing includes a first casing and a second casing, the first casing bends and extends toward the second casing to form a first bent portion, and the second casing faces toward the second casing The first shell is bent and extended to form a second bent portion, the first bent portion and the second bent portion are butted and engaged with each other, and the first shell and the second shell are connected by The first bending part and the second bending part are butt-fitted and connected to form a socket cavity, and elastic cantilever parts are symmetrically arranged on opposite sides of the second bending part, and the opening of the socket cavity An inward pressing portion is also provided, and when the base is inserted into the insertion cavity, the pressing portion is pressed against the base and the cantilever portion clamps the base. 2. The USB connector according to claim 1, wherein the cantilever portion protrudes from the insertion cavity. 3. The USB connector according to claim 1, wherein the first housing protrudes toward the insertion cavity to form a first pressing portion, and the second housing protrudes toward the insertion cavity The protrusion forms a second pressing portion, and the first pressing portion and the second pressing portion butt against each other to form the pressing portion. 4. The USB connector according to claim 1, wherein the base is provided with a groove matching the cantilever, and when the cantilever clamps the base, the cantilever extends into in the groove. 5. The USB connector according to claim 1, wherein a plurality of card holes are arranged symmetrically on opposite sides of the first bent portion, and the opposite sides of the second bent portion correspond to the card holes. The hole protrudes to form a plurality of locking protrusions, and the first housing and the second housing are locked and fixed to each other through the locking holes and the locking protrusions. 6. The USB connector according to claim 5, wherein the diameter of the locking protrusion is equal to the diameter of the locking hole. 7. The USB connector according to claim 1, wherein the first housing and the first bending portion are perpendicular to each other. 8. The USB connector according to claim 1, wherein the second housing and the second bending portion are perpendicular to each other.