CN211670379U

CN211670379U - Cable assembly with improved cable retention

Info

Publication number: CN211670379U
Application number: CN202020004272.XU
Authority: CN
Inventors: 陈俊旭; 何方; 陈锡中; 张�浩
Original assignee: Zhejiang Zhaolong Interconnection Technology Co ltd
Current assignee: Zhejiang Zhaolong Interconnection Technology Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-10-13
Anticipated expiration: 2030-01-02

Abstract

The utility model relates to a cable connector component, including first casing, the second casing, the circuit board, hasp spare and stretching strap, first casing and second casing reciprocal anchorage, the circuit board clamp is established between first casing and second casing, hasp spare articulates on the second casing, hasp spare lower part is equipped with the card strip to the board end extension, be equipped with the spring between card strip and the second casing, hasp spare both sides upwards extend respectively and run through the second casing and form the stretching strap, the one end of stretching strap is equipped with the unblock piece, be equipped with the guide way on the first casing, the unblock piece sets up in the guide way, and the unblock piece drives the stretching strap and rotates. The unlocking block is arranged on the drawstring, the shell is provided with the guide groove, the unlocking block moves along the guide groove, and the unlocking block is limited by the first shell and the second shell and is not easy to loosen; the unlocking blocks are distributed along the two sides of the shell, so that the space in the shell occupies less space, and more cables with different specifications can be conveniently arranged; in addition, the pull belt and the unlocking block are integrally formed, so that the structure is reasonable and the strength is higher.

Description

Cable assembly with improved cable retention

Technical Field

The present invention relates to a cable assembly, and more particularly to a cable assembly for high speed transmission.

Background

The cable connector assembly is widely applied to the field of data centers such as switches and servers. The cable connector assembly is inserted into the plate end cage, and the triangular lug bosses of the cable connector assembly and the triangular grooves in the plate end cage need to be mutually matched and hooked, so that the function of inserting, locking and not falling off is achieved. The cable assembly triangular lug boss sinks by drawing the pull belt, so that the pull belt and the triangular groove in the plate end cage realize unlocking and pulling out functions. The unlocking pulling sheet of the existing connector has various unlocking structures, but the problems of large occupied space, poor strength, short service life, unreliable unlocking and the like generally exist.

Disclosure of Invention

In order to solve the above technical problem, the present invention provides a cable connector assembly with an unlocking structure, which occupies a small space and has a long service life.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the cable connector assembly comprises a first shell, a second shell, a circuit board, a locking piece and a pull belt, wherein the first shell and the second shell are fixed with each other, the circuit board is clamped between the first shell and the second shell, the locking piece is hinged to the second shell, a clamping strip is arranged on the lower portion of the locking piece in an extending mode towards the board end, a spring is arranged between the clamping strip and the second shell, two sides of the locking piece extend upwards respectively and penetrate through the second shell to form the pull belt, an unlocking block is arranged at one end of the pull belt, a guide groove is formed in the first shell, the unlocking block is arranged in the guide groove, and the unlocking block drives the pull belt to rotate.

As a preferable scheme: the unlocking block comprises hook strip parts distributed on two sides and a beam part connecting the two hook strip parts, and the front ends of the hook strip parts are turned inwards and buckled with the pulling strips. The hook strip parts on the two sides are connected through the beam part, so that the overall strength is higher, the unlocking is not easy to deform, and the unlocking is more stable.

As a preferable scheme: the second shell is provided with a through hole for the brace to pass through, a second limiting groove is further formed beside the through hole, a second limiting lug is arranged on the lower side of the hook strip portion, and the second limiting lug is located in the second limiting groove.

As a preferable scheme: the first shell is provided with a first limiting groove, the upper side of the hook strip portion is provided with a first limiting lug, and the first limiting lug is located in the first limiting groove. Through the cooperation of lug and spacing groove, when the hasp reachd the unblock position, can form spacingly to the unblock block, prevent to drag excessively for collude the power of strip portion and brace's bearing too big, cause the pine to take off.

As a preferable scheme: the lock catch piece is hinged to the second shell through a shaft, and a spring between a clamping strip of the lock catch piece and the second shell is a conical spring. The conical spring is lower in height when compressed, so that the space for accommodating the lock catch piece on the second shell can be reduced, and the whole occupied space of the unlocking structure is smaller.

As a preferable scheme: one end of the first shell and one end of the second shell are further provided with a net tail component in a clamping mode, and the net tail component is fixed on the cable. The net tail part adopts the mode of fixing with the cable, both can realize the location of cable, the operation such as be convenient for skin, welding, can prevent simultaneously again that the cable from being dragged the time, and cable and circuit board pine take off.

As a preferable scheme: still be equipped with the centre form between first casing and the second casing, the bottom of centre form is equipped with the notch, be equipped with the sand grip on the second casing, the sand grip card is established in the notch. The centre form has also adopted limit structure, has improved the tensile ability of dragging of cable.

As a preferable scheme: the first shell and the second shell are made of aluminum alloy materials and are fixed through rivets.

As a preferable scheme: the parts of the first shell and the second shell, which are close to the cable end, are also wrapped with electromagnetic interference elastic sheets.

As a preferable scheme: the stretching strap is the plastic material, the unblock piece is the metal, and stretching strap and unblock piece integrated into one piece.

The unlocking block is arranged on the pull belt, the guide groove is formed in the shell, the unlocking block moves along the guide groove, the unlocking block is limited by the first shell and the second shell, the unlocking block is not easy to loosen, and the risk of failure of the unlocking block is reduced; the unlocking blocks are distributed along the two sides of the shell, so that the space in the shell occupies less space, and more cables with different specifications can be conveniently arranged; in addition, the pull belt and the unlocking block are integrally formed, so that the structure is reasonable and the strength is higher.

Drawings

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

Fig. 2 is a schematic diagram of the explosion structure of the present invention.

Fig. 3 is a schematic view of the overall structure of the present invention.

Fig. 4 is a schematic view of the overall structure of the present invention.

Fig. 5 is a schematic structural diagram of the first housing of the present invention.

Fig. 6 is a schematic view of the overall structure of the first housing according to the present invention.

Fig. 7 is a schematic view of the overall structure of the second housing according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

The cable connector assembly shown in fig. 1 to 7 includes a first housing 1, a second housing 2, a circuit board 12, a locking member 7 and a pull strap 3, wherein the first housing 1 and the second housing 2 are fixed to each other, the circuit board 12 is clamped between the first housing 1 and the second housing 2, the locking member 7 is hinged to the second housing 2 through a shaft 6, a clamping strip is arranged at a lower portion of the locking member 7 and extends towards a board end, a spring 10 is arranged between the clamping strip and the second housing 2, two sides of the locking member 7 respectively extend upwards and penetrate through the second housing 2 to form the pull strap, an unlocking block 4 is arranged at one end of the pull strap 3, a guide groove is arranged on the first housing 1, the unlocking block 4 is arranged in the guide groove, and the unlocking block 4 drives the pull strap to rotate. The stretching strap 3 is the plastic material, the unblock piece 4 is the metal, and stretching strap 3 and unblock piece 4 integrated into one piece.

The unlocking block 4 comprises hook strip parts distributed on two sides and a beam part connecting the two hook strip parts, and the front ends of the hook strip parts are turned inwards to be buckled with the pulling strips. The hook strip parts on the two sides are connected through the beam part, so that the overall strength is higher, the unlocking is not easy to deform, and the unlocking is more stable.

The second shell is provided with a through hole 22 for the brace to pass through, a second limiting groove 23 is further arranged beside the through hole 22, a second limiting bump is arranged on the lower side of the hook part, and the second limiting bump is positioned in the second limiting groove 23; the first shell is provided with a first limiting groove 101, the upper side of the hook strip portion is provided with a first limiting bump, and the first limiting bump is located in the first limiting groove 101. Through the cooperation of lug and spacing groove, when the hasp reachd the unblock position, can form spacingly to the unblock block, prevent to drag excessively for collude the power of strip portion and brace's bearing too big, cause the pine to take off.

The locking piece 7 is hinged on the second casing 2 through a shaft 6, and a spring between a clamping strip of the locking piece 7 and the second casing 2 is a conical spring. The conical spring is lower in height when compressed, so that the space for accommodating the lock catch piece on the second shell can be reduced, and the whole occupied space of the unlocking structure is smaller.

One end of the first shell 1 and the second shell 2 is further clamped with a net tail component 8, and the net tail component 8 is fixed on a cable 11. The net tail part adopts the mode of fixing with the cable, both can realize the location of cable, the operation such as be convenient for skin, welding, can prevent simultaneously again that the cable from being dragged the time, and cable and circuit board pine take off. Still be equipped with centre form 5 between first casing 1 and the second casing 2, the bottom of centre form 5 is equipped with notch 51, be equipped with sand grip 21 on the second casing 2, sand grip 21 card is established in notch 51. The centre form has also adopted limit structure, has improved the tensile ability of dragging of cable.

The first shell 1 and the second shell 2 are both made of aluminum alloy materials, and the first shell 1 and the second shell 2 are fixed through rivets. The parts of the first shell 1 and the second shell 2 close to the cable end are also wrapped with electromagnetic interference elastic sheets 7.

The working principle of the utility model is as follows: through pulling the stretching strap backward, the unblock piece of stretching strap front end is conducted to backward power, and the strip portion that colludes of unblock key both sides drives the brace of hasp piece both sides respectively for the hasp piece is rotatory under the effect of axle, and the triangle boss of hasp piece front end sinks, and when sinking into zinc alloy casing plane completely, realize initiatively unhook unblock function, after the unblock, through the bounce of spring with hasp piece automatic re-setting. Because the whole guide way internal motion at the casing of unblock piece, compare with unblock piece direct exposure outside the casing, unblock piece is difficult for deviating from the casing, and the risk that the unblock became invalid is lower.

It should be noted that the above embodiments are merely representative examples of the present invention. The utility model can also have a plurality of deformations. Any simple modification, equivalent changes and modifications made to the above embodiments according to the essence of the present invention should be considered as belonging to the protection scope of the present invention.

Claims

1. Cable connector subassembly, including first casing (1), second casing (2), circuit board (12), hasp spare (7) and stretching strap (3), first casing (1) and second casing (2) are fixed each other, circuit board (12) press from both sides and establish between first casing (1) and second casing (2), hasp spare (7) articulate on second casing (2), hasp spare (7) lower part is equipped with card strip to board end extension, is equipped with spring (10) between card strip and second casing (2), its characterized in that: the lock catch piece (7) is characterized in that two sides of the lock catch piece (7) extend upwards respectively and penetrate through the second shell (2) to form a brace, an unlocking block (4) is arranged at one end of the pull belt (3), a guide groove is formed in the first shell (1), the unlocking block (4) is arranged in the guide groove, and the unlocking block (4) drives the brace to rotate.

2. The cable connector assembly of claim 1, wherein: the unlocking block (4) comprises hook strip parts distributed on two sides and a beam part connecting the two hook strip parts, and the front ends of the hook strip parts are turned inwards and buckled with the pulling strips.

3. The cable connector assembly of claim 2, wherein: the second shell is provided with a through hole (22) for the brace to pass through, a second limiting groove (23) is further formed beside the through hole (22), a second limiting bump is arranged on the lower side of the hook strip portion, and the second limiting bump is located in the second limiting groove (23).

4. The cable connector assembly of claim 2, wherein: the first shell is provided with a first limiting groove (101), the upper side of the hook strip portion is provided with a first limiting bump, and the first limiting bump is located in the first limiting groove (101).

5. The cable connector assembly of claim 1, wherein: the lock catch piece (7) is hinged to the second shell (2) through the shaft (6), and a spring between a clamping strip of the lock catch piece (7) and the second shell (2) is a conical spring.

6. The cable connector assembly of claim 1, wherein: one end of the first shell (1) and one end of the second shell (2) are also provided with a net tail component (8), and the net tail component (8) is fixed on the cable (11).

7. The cable connector assembly of claim 1, wherein: still be equipped with centre form (5) between first casing (1) and second casing (2), the bottom of centre form (5) is equipped with notch (51), be equipped with sand grip (21) on second casing (2), sand grip (21) card is established in notch (51).

8. The cable connector assembly of claim 1, wherein: the first shell (1) and the second shell (2) are both made of aluminum alloy materials, and the first shell (1) and the second shell (2) are fixed through rivets.

9. The cable connector assembly of claim 1, wherein: the parts of the first shell (1) and the second shell (2) close to the cable end are also wrapped with electromagnetic interference elastic sheets (9).

10. The cable connector assembly of claim 1, wherein: the drawstring (3) is made of plastic materials, the unlocking block (4) is made of metal, and the drawstring (3) and the unlocking block (4) are integrally formed.