CN203014067U - Shrapnel assembly structure of USB connector - Google Patents

Abstract

The utility model relates to the technical field of electric connectors, in particular to a spring plate assembly structure of a USB connector, which comprises an insulating main body of the connector and a spring plate, wherein the front end of the spring plate is provided with a fixing part which bends downwards and backwards, the fixing part is provided with a return-proof latch, the rear end of the spring plate is raised into a pressing part relative to the front end, and the upside between the front end and the rear end of the spring plate is provided with a clamping point for assisting the insertion and the return prevention of the connector; the position of the insulating main body matched with the assembly of the elastic sheet is provided with a slot which is arranged from the front to the back, a clamping table matched with the anti-return latch for clamping and preventing return is arranged in the slot, and the fixing part of the elastic sheet is inserted into the slot from the front to the back for installation. The utility model discloses the fixed part that utilizes the downward and inflection of front end of shell fragment inserts the slot installation of insulating main part from the preceding backward to reach the equipment of shell fragment, simple structure, the equipment is convenient, utilizes the fixed part to prevent moving back the cassette holder joint in latch and the slot, reaches firm connection, is difficult for the pine to take off, and resistant plug strikes better, long service life.

Description

Shrapnel assembly structure of USB connector

technical field

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

Background technique

The USB connector has the characteristics of quick plugging and unplugging, and is currently widely used. With the development of electronic technology, USB connectors are also developing from low-level functions to high-level functions. Shrapnel for better insertion force. However, in the prior art, due to defects in the assembly structure, the assembly of the shrapnel is not strong enough, and it is easy to loosen or even loosen during the plugging and unplugging work, thus losing the effect of auxiliary anti-retraction and affecting the use of the USB connector .

Contents of the invention

The purpose of the utility model is to provide a simple structure, convenient assembly and firm shrapnel assembly structure of the USB connector.

In order to achieve the above object, the utility model adopts the following technical solutions:

The shrapnel assembly structure of the USB connector includes the insulating main body of the connector and the shrapnel. The shrapnel has a front end and a rear end. The front end of the shrapnel is provided with a downward and curved fixing part, and the fixing part is provided with anti-retraction teeth. The rear end of the shrapnel is tilted up relative to the front end to form a pressing part, and an auxiliary connector is provided on the upper side between the front and rear ends of the shrapnel to prevent backing. The slot is opened from the front to the back, and the slot is equipped with an anti-retraction card tooth to engage the anti-retraction card platform. The fixed part of the shrapnel is inserted into the slot from front to back for installation, so as to achieve the assembly of the shrapnel.

The above scheme is further as follows: the upper side of the insulating main body is provided with a relative retaining wall, the front end of the shrapnel is accommodated between the two retaining walls, and the rear ends of both sides of the shrapnel are provided with supporting feet, and the supporting feet bounce off the pressure on the insulating main body. block, the lower side of the front end of the elastic piece is higher than the upper top surface of the slot of the insulating body.

The fixing part of the elastic piece is composed of left and right spaced barbs facing away from each other. The fixing part is also formed with a stop part, and the step between the stop part and the port of the slot supports the top limit.

The utility model utilizes the front end of the shrapnel to be bent down and the fixing part is inserted into the slot of the insulating main body from front to back for installation to achieve the assembly of the shrapnel. The structure is simple and the assembly is convenient. The card table is clamped to achieve a firm connection, not easy to loose, better resistance to plugging impact, long service life, and improved the performance of the USB connector.

Description of drawings:

Accompanying drawing 1 is the outline structure schematic diagram of one embodiment of the utility model;

Accompanying drawing 2 is the three-dimensional structure schematic diagram of shrapnel of the present utility model;

Accompanying drawing 3 is the structure schematic diagram of the insulation main body of the present utility model;

Accompanying drawing 4 is the schematic diagram of the combination of the shrapnel and the insulating main body of the present invention;

Accompanying drawing 5 is a schematic view showing another angle of the combination of the shrapnel and the insulating body in Fig. 4;

Figure 6 is a schematic diagram of the internal structure of the combination of the shrapnel and the insulating body of the present invention.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

Referring to Figures 1 to 6, the utility model relates to the shrapnel assembly structure of the USB connector, especially the USB3.0 connector, which includes an insulating body 1 of the connector and a shrapnel 2, the shrapnel 2 has a front end and a rear end, The front end of the elastic piece 2 is provided with a downward and back-bent fixed portion 21, and the fixed portion 21 is provided with an anti-return locking tooth 211. The rear end of the elastic piece 2 is raised relative to the front end to form a pressing portion 22, which is in front of the elastic piece 2. The upper side between the two ends is provided with an auxiliary connector plug-in anti-retraction card point 23; the position where the insulating body 1 is assembled with the shrapnel 2 is provided with a slot 11 opened from front to back, and a matching slot 11 is provided in the slot 11. The anti-return locking tooth 211 is engaged with the anti-return card platform 111, and the fixed part 21 of the elastic piece 2 is inserted into the slot 11 from front to back for installation to achieve the assembly of the elastic piece. The anti-backward locking tooth 211 is engaged with the card platform 111, not only preventing the Part 21 is withdrawn to make the assembly connection more firm, and at the same time effectively overcome the impact of external force on the shrapnel 2 when the connector is pulled out, so as to ensure that it will not be loosened following plugging and unplugging. The upper side of the insulating body 1 is provided with a relative retaining wall 12, and the front end of the shrapnel 2 is accommodated between the two retaining walls 12, and the two retaining walls 12 limit the shrapnel 2, so as to prevent its left and right misalignment and ensure straight-line insertion and extraction. The rear ends of both sides of the shrapnel 2 are provided with legs 24, and the legs 24 bounce off the pressure block 13 on the insulating main body 1 to limit the height of the pressing part 22 of the shrapnel 2, so as to facilitate the pressing operation. The lower side of the front end of the elastic piece 2 is higher than the upper top surface of the slot 11 of the insulating body 1, so as to obtain a good evacuation space and make the elastic piece work more smoothly.

As shown in Figures 2 and 5, the fixing part 21 of the elastic piece 2 is composed of barbs spaced apart from left to right and facing away from each other, which has good relative expansion and is convenient for insertion and assembly. The fixed part 21 is also formed with a stop part 212, and the stop part 212 and the step position 112 at the port of the slot 11 limit the advance, give assembly positioning, improve assembly accuracy and efficiency, and at the same time the stop part 212 and the step The 112 support tops also ensure that the shrapnel 2 does not shrink back during the plugging operation, ensuring the normal operation of the shrapnel.

The utility model utilizes the fixed part 21 with the front end of the shrapnel 2 facing down and bent back to be inserted into the slot 11 of the insulating body 1 from front to back to achieve the assembly of the shrapnel 2; The direction of the reaction force received is the same, so the shrapnel 2 will not loosen when the auxiliary connector is plugged in, ensuring that the card point 23 of the upper auxiliary connector between the front and rear ends of the shrapnel 2 is accurately snapped into the corresponding In the interface, so as to obtain a better plugging force; when the connector is pulled out, the pressing part 22 of the shrapnel 2 is pressed by the human hand, so that the card point 23 is released from the card connection, and it is easy to pull out, which can effectively weaken the connector. The pull-out impact of the shrapnel 2 and the anti-retraction clamping between the anti-retraction teeth 211 and the card table 111 make the position between the shrapnel 2 and the insulating body 1 stronger and have a longer service life.

The utility model has the advantages of simple structure, convenient assembly, firm connection, not easy to loosen, better impact resistance of plugging and unplugging, long service life, and improved performance of the USB connector. Of course, the above described the utility model in detail in conjunction with the embodiment, only to illustrate the technical conception and characteristics of the utility model, and its purpose is to let people familiar with this technology understand the content of the utility model and implement it. To limit the protection scope of the present utility model, all equivalent changes or modifications made according to the spirit of the present utility model shall be covered within the protection scope of the present utility model.

Claims (3)

1.USB the shell fragment package assembly of connector, include insulating body (1) and the shell fragment (2) of connector, it is characterized in that: shell fragment (2) has front-end and back-end, front end in shell fragment (2) is provided with downwards and the fixed part (21) of back bending, fixed part (21) is provided with anti-back latch (211), the rear end of described shell fragment (2) becomes press section (22) with respect to the front end perk, in shell fragment (2) before the upside between the rear end be provided with the stuck point (23) of subconnector grafting anti-back; The position of cooperation shell fragment (2) assembling of described insulating body (1) is provided with the slot (11) of offering from front to back, be provided with the Ka Tai (111) that coordinates anti-back latch (211) clamping anti-back in slot (11), the fixed part (21) of shell fragment (2) inserts from front to back slot (11) and installs, to reach the assembling of shell fragment.

2. the shell fragment package assembly of USB connector according to claim 1, it is characterized in that: described insulating body (1) upside is provided with relative barricade (12), the front end of shell fragment (2) is contained between two barricades (12), the rear end, both sides of shell fragment (2) is provided with leg (24), leg (24) briquetting (13) on support top insulating body (1) of upspringing, the front end downside of described shell fragment (2) is higher than the upper end face of the slot (11) of insulating body (1).

3. the shell fragment package assembly of USB connector according to claim 1, it is characterized in that: the fixed part (21) of described shell fragment (2) by between left and right every and back to barb form, also forming of fixed part (21) stops into section (212), stop into step position (112) support top of the port of section (212) and slot (11) limit into.

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