Reinforced double-shell USB connector

Abstract

The utility model discloses a reinforced double-shell USB connector, which comprises a shell, a body is arranged in the shell, four groups of terminals are embedded in the body, the terminals on the two sides outside the shell are widened, two first elastic sheets are arranged on the upper side and the lower side of the front of the shell, and second elastic sheets are arranged on the left side and the right side of the front of the shell. Two first clamping openings are formed in the upper side of the rear portion of the shell, two second clamping openings are further formed in the positions, on the rear sides of the first clamping openings, of the shell, four fixing feet are further arranged at the bottoms of the two sides of the shell, a protective shell is arranged on the outer side of the shell, the shell is installed in the protective shell, and receding protrusions are arranged at the positions, corresponding to the first elastic pieces and the second elastic pieces, of the protective shell. According to the utility model, through the matching installation of the housing and the protective housing, double-housing installation is formed, the stress strength is increased, the plug is firmer after being mounted on a plate, the first bayonet and the second bayonet are arranged, the insertion depth of the plug is limited, the plug is prevented from being inserted into and ejected from the body, the clamping and fixing effects are achieved, the terminal overcurrent is increased, and the large current is supported.

Description

Technical Field

[0001] The utility model belongs to the technical field of USB connectors, and particularly relates to a reinforced double-shell USB connector. Background Art

[0002] USB, namely "Universal Serial Bus", is called Universal Serial Bus in Chinese; it is a way to connect electronic products to each other; it is applied to various fields such as mobile, audio-visual, automotive electronics, multimedia, electrical appliances, etc.; it has been widely adopted in various external devices. There are three types of USB interfaces: USB1.1, USB2.0, and USB3.0. Theoretically, the transmission speed of USB1.1 can reach 12Mbps / second, while USB2.0 can reach a speed of 480Mbps / second and is downward compatible with USB1.1; the transmission rate of USB3.0 is about 3.2Gbps (i.e., 320MB / S); the theoretical maximum rate is 5.0Gbps (i.e., 500MB / S). However, the existing USB connectors use a single-shell housing, with poor stress resistance, being unstable after being installed on the board, having no position-limiting buckle on the housing, and the base being prone to withdrawing from the housing under stress. The widths of the four terminals are the same, and they do not support large currents. Therefore, there is an urgent need for a reinforced double-shell USB connector to solve the above problems. Summary of the Utility Model

[0003] Aiming at the problems raised in the above background art, the purpose of the present utility model is to provide a reinforced double-shell USB connector.

[0004] To achieve the above technical purpose, the technical solution adopted by the present utility model is as follows:

[0005] A reinforced double-shell USB connector includes a housing, a body is installed inside the housing, four groups of terminals are inlaid and installed inside the body, the terminals on both external sides are processed with widened widths, two first elastic pieces are provided on both upper and lower sides in the front of the housing, two second elastic pieces are provided on both left and right sides in the front of the housing, two first buckles are provided on the upper side at the rear of the housing, two second buckles are further provided on the housing at the rear side of the first buckles, four fixing feet are provided at both bottom sides of the housing, a protective housing is provided on the outer side of the housing, the housing is installed inside the protective housing, and the protective housing is provided with clearance protrusions at positions corresponding to the first elastic pieces and the second elastic pieces.

[0006] Further defined, convex platforms are provided on both rear sides of the body, openings are provided on the housing at positions corresponding to the convex platforms, and the convex platforms are assembled inside the openings. Such a structural design has a limiting effect during installation.

[0007] Further defined, the four groups of the terminals are evenly arranged in the body, and the distance between two adjacent terminals is equal. The terminals are made of phosphor bronze. Such a structural design enables its uniform installation and can support the use of large currents.

[0008] Further defined, the outer shell and the protective shell are connected by clamping installation. Such a structural design makes the connection of the double shells more firm.

[0009] The beneficial effects of the present utility model are as follows: Through the matching installation of the outer shell and the protective shell, the present utility model forms a double-shell installation, increases the stress intensity, is more firm after the upper plate, and sets the first bayonet and the second bayonet to limit the insertion depth of the plug, prevent the plug from being inserted and pushing back the body, and at the same time play a role of clamping and fixing, and increase the current-carrying capacity of the terminals to support large currents. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present utility model can be further illustrated by the non-limiting embodiments given in the drawings;

[0011] Figure 1 is a schematic structural diagram of a reinforced double-shell USB connector according to an embodiment of the present utility model;

[0012] Figure 2 is an exploded structural diagram of a reinforced double-shell USB connector according to an embodiment of the present utility model;

[0013] The main element symbols are explained as follows:

[0014] Outer shell 1, body 2, terminal 3, first elastic piece 4, second elastic piece 5, first bayonet 6, second bayonet 7, fixing feet 8, protective shell 9, clearance protrusion 10, boss 11, opening 12. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] In order to enable those skilled in the art to better understand the present utility model, the technical solutions of the present utility model will be further described below with reference to the drawings and embodiments.

[0016] As Figure 1-2 shown, in a reinforced double-shell USB connector of the present utility model, a body 2 is installed in an outer shell 1, four groups of terminals 3 are inlaid and installed in the body 2, the external terminals 3 on both sides are widened, two first elastic pieces 4 are provided on the upper and lower sides in front of the outer shell 1, two second elastic pieces 5 are provided on the left and right sides in front of the outer shell 1, two first bayonets 6 are provided on the upper side at the rear of the outer shell 1, two second bayonets 7 are further provided on the outer shell 1 at the rear of the first bayonets 6, four fixing feet 8 are provided at the bottom on both sides of the outer shell 1, a protective shell 9 is provided on the outside of the outer shell 1, the outer shell 1 is installed in the protective shell 9, and clearance protrusions 10 are provided on the protective shell 9 corresponding to the first elastic pieces 4 and the second elastic pieces 5.

[0017] Preferably, convex platforms 11 are provided on both sides at the rear of the main body 2, and the housing 1 is provided with openings 12 corresponding to the convex platforms 11, and the convex platforms 11 are assembled in the openings 12. Such a structural design has a limiting effect during installation. In fact, other limiting installation structural shapes of the housing 1 and the main body 2 can also be considered according to specific circumstances.

[0018] Preferably, four groups of terminals 3 are evenly arranged in the main body 2, and the distance between two adjacent terminals 3 is equal. The terminals 3 are made of phosphor bronze. Such a structural design enables their uniform installation and can support the use of large currents. In fact, other arrangement and installation structural shapes of the terminals 3 can also be considered according to specific circumstances.

[0019] Preferably, the housing 1 and the protective housing 9 are connected by clamping installation. Such a structural design makes the connection of the double housing more firm. In fact, other connection structural shapes of the housing 1 and the protective housing 9 can also be considered according to specific circumstances.

[0020] In this embodiment, the terminals 3 are inlaid inside the main body 2, the housing 1 is loaded with the main body 2 inside, the protective housing 9 is sleeved on the housing 1, the fixing feet 8 on the housing 1 are inserted into the PCB board to make the welding strength stronger. When the male head is inserted, the first elastic pieces 4 on the upper and lower sides in the front of the housing 1 are buckled with the male head housing, not easy to loosen, and the insertion and extraction force is controlled. When the male head is inserted, the second elastic pieces 5 on the left and right sides in the front of the housing 1 communicate with the male head housing. When the plug is inserted, the first bayonet 6 on the upper side at the rear of the housing 1 limits the insertion depth of the plug to prevent the plug from being inserted and pushing back the main body 2. When the main body 2 is loaded, the second bayonet 7 on the upper side at the rear of the housing 1 plays a role of clamping and fixing. The clearance protrusions 10 on the protective housing 9 can play a role of making way to enable the first elastic pieces 4 and the second elastic pieces 5 to have space for insertion and extraction activities and prevent jamming.

[0021] Among them, during installation, the convex platforms 11 on both sides of the main body 2 are matched with the openings 12 on the housing 1, which can be limited during installation. The protective housing 9 is made of iron-plated nickel material, and the housing 1 is made of stainless steel material, with good strength and elasticity, and has a strong corrosion resistance effect, greatly improving the service life. The main body 2 is made of high-temperature insulating material, which can play an insulating effect. The terminals 3 are made of phosphor bronze, and the positive and negative terminals on both sides are widened, which can handle large currents. The two shells are clamped and installed, and the double shell is more firm, improving the stress strength.

[0022] The above embodiments only exemplarily illustrate the principles and effects of the present invention, rather than limiting the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A reinforced double-shell USB connector, characterized in that: It includes a housing (1), a body (2) is installed inside the housing (1), four groups of terminals (3) are inlaid and installed inside the body (2), the terminals (3) on both outer sides are widened, two first elastic pieces (4) are provided on both upper and lower sides in the front of the housing (1), two second elastic pieces (5) are provided on both left and right sides in the front of the housing (1), two first bayonets (6) are provided on the upper side in the rear of the housing (1), two second bayonets (7) are further provided on the housing (1) at the rear side of the first bayonets (6), four fixing feet (8) are provided at both bottom sides of the housing (1), a protective housing (9) is provided on the outer side of the housing (1), the housing (1) is installed inside the protective housing (9), and the protective housing (9) is provided with clearance protrusions (10) at positions corresponding to the first elastic pieces (4) and the second elastic pieces (5).

2. The reinforced double-shell USB connector according to claim 1, characterized in that: Convex platforms (11) are provided on both rear sides of the body (2), openings (12) are provided on the housing (1) at positions corresponding to the convex platforms (11), and the convex platforms (11) are assembled inside the openings (12).

3. The reinforced double-shell USB connector according to claim 2, wherein: The four groups of terminals (3) are evenly arranged inside the body (2), and the distance between two adjacent terminals (3) is equal. The terminals (3) are produced and made of phosphor bronze.

4. The reinforced double-shell USB connector according to claim 3, wherein: The housing (1) and the protective housing (9) are connected by clamping installation.

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