CN115915737A

CN115915737A - Case and case module

Info

Publication number: CN115915737A
Application number: CN202111107528.5A
Authority: CN
Inventors: 孙明杰; 郭亚宁; 张鹏; 武学顺
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2023-04-04
Also published as: WO2023045893A1

Abstract

The invention relates to a case and a case module, aiming at solving the technical problems of inconvenient installation and poor shielding effect in the prior art. The case comprises a case body, wherein a boss is integrally and convexly arranged on the case body, and the boss is provided with a socket for inserting a plug; the box body is provided with a shielding cavity communicated with the socket, and the shielding cavity is provided with an inner wall surface used for contacting with the periphery of the squirrel cage to realize shielding. Set up the shielding chamber on the box, the internal face and the squirrel cage direct contact in shielding chamber need not like needing the socket to carry out the switching among the prior art, and boss integrated into one piece keeps having good electricity intercommunication of leading between boss and box, the squirrel cage on the box, treats after socket and the plug contact, can realize that the whole shielding of plug, rack switches on, and shielding effect is better.

Description

Case and case module

Technical Field

The invention relates to a case and a case module.

Background

With the development of the communication society, base stations are laid more and more, and a squirrel cage is used as an important part of a protection optical module (SFP) in a communication base station, so that the main function of the squirrel cage is to realize electromagnetic shielding and prevent the interference of external signals. The mounting of the squirrel cage has become a concern to the user because the squirrel cage as a separate part does not perform the complete signal shielding function and the squirrel cage has to be contacted with other devices.

The installation mode of the squirrel cage in the prior art is shown in fig. 1 and 2, and the squirrel cage installation device comprises a case 1, wherein a PCB (printed circuit board) 5, a squirrel cage 4 and an optical module 8 are installed on the case 1, and the squirrel cage 4 is sleeved outside the optical module 8. When the mouse cage is used, the mouse cage 4 is welded on the PCB 5, and the PCB 5 is fixedly arranged on the support column 3 of the case 1 through a screw. The mouse cage 4 penetrates out of the through hole, in order to communicate the mouse cage 4 with the case 1, the socket 2 penetrates through the through hole of the case 1, the annular structure is arranged in the socket 2, one end of the annular structure is arranged outside the case 1 in a protruding mode, a plug is inserted into the end of the socket 2, the mouse cage 4 is in contact with the socket 2 to achieve conduction, the mouse cage 4 is in shielding conductive communication with the case 1 through the socket 2, and a case module is integrally formed. The socket 2 is fixedly mounted on the case 1 by using a socket fastening screw 7, and meanwhile, a sealing ring 6 is arranged between the socket 2 and the case 1 for water prevention.

The problem that prior art exists lies in, needs to increase the socket in addition and realizes the shielding, and the installation is inconvenient, and after increasing the sealing washer, can't realize well contact in order to realize the intercommunication between quick-witted case 1 and the socket 2, and the shielding is discontinuous, and electromagnetic shield effect is relatively poor.

Disclosure of Invention

The invention aims to provide a case, which aims to solve the technical problems of inconvenient installation and poor shielding effect in the prior art; the chassis module using the chassis is also provided to solve the technical problem.

In order to achieve the purpose, the technical scheme of the case provided by the invention is as follows: a chassis, comprising:

the box body is integrally provided with a boss in a protruding mode, and the boss is provided with a socket for inserting a plug;

the box body is provided with a shielding cavity communicated with the socket, and the shielding cavity is provided with an inner wall surface used for contacting with the periphery of the squirrel cage to realize shielding.

Has the beneficial effects that: set up the shielding chamber on the box, the internal face and the squirrel cage direct contact in shielding chamber need not like needing the socket to carry out the switching among the prior art, and boss integrated into one piece keeps having good electrically conductive intercommunication between boss and box, the squirrel cage on the box, treats that socket and plug contact after, can realize that the whole shielding of plug, rack switches on, and shielding effect is better.

Preferably, the box body is provided with a U-shaped groove communicated with the socket, the U-shaped groove is used for the mouse cage to be placed in from the notch, and the shielding cavity is formed inside the U-shaped groove. After the U-shaped groove is formed, the mouse cage can be installed from one side when being installed, the installation is more convenient, and the automatic assembly is favorably realized.

Preferably, a shielding pressure plate for pressing and mounting on the squirrel cage is movably or detachably mounted on the box body, and the shielding pressure plate is used for being matched with the U-shaped groove to form the shielding cavity with the circumferential direction closed. The mouse cage can be reliably kept and fixed in the U-shaped groove by pressing the mouse cage by the shielding pressing plate, and the shielding pressing plate and the U-shaped groove form a shielding cavity with a circumferential closed state, so that the mouse cage is better shielded.

Preferably, threaded holes are formed in two sides of the notch of the U-shaped groove in the box body, the chassis further comprises a pressing plate fastening screw which penetrates through the shielding pressing plate and penetrates into the threaded hole, and the pressing plate fastening screw is used for pressing the shielding pressing plate on the box body. The shielding pressing plate can be completely taken down during use by installing the two pressing plate fastening screws, and the installation is convenient.

Preferably, one end of the shielding pressure plate is rotatably assembled on the box body;

the other end of the shielding pressing plate is detachably connected with the box body, or a torsional spring is arranged at one rotating end of the shielding pressing plate on the box body and used for applying elastic force towards the squirrel cage to the shielding pressing plate. One end of the shielding pressure plate is always connected with the box body, so that the shielding pressure plate is prevented from falling and losing; the shielding pressing plate can be automatically pressed under the action of the torsion spring, and the structure is simple and the installation is convenient.

The technical scheme of the case module of the invention is as follows: a chassis module comprises a chassis, a PCB (printed circuit board) and a squirrel cage, wherein the PCB and the squirrel cage are arranged on the chassis;

the chassis includes:

the box body is provided with a shielding cavity communicated with the socket, and the shielding cavity is provided with an inner wall surface which is in contact with the periphery of the squirrel cage to realize shielding.

Preferably, the box body is provided with a U-shaped groove communicated with the socket, the U-shaped groove is used for the mouse cage to be put in from the notch, and the shielding cavity is formed inside the U-shaped groove. After the U-shaped groove is formed, the mouse cage can be installed from one side when being installed, the installation is more convenient, and the automatic assembly is favorably realized.

Preferably, a shielding pressure plate for pressing and mounting on the squirrel cage is movably or detachably mounted on the box body, and the shielding pressure plate is used for being matched with the U-shaped groove to form the shielding cavity with the circumferential direction closed. The mouse cage can be reliably kept and fixed in the U-shaped groove by pressing the shielding pressing plate on the mouse cage, and the shielding pressing plate and the U-shaped groove form a shielding cavity with a circumferential closed shape, so that the mouse cage is better shielded.

Preferably, threaded holes are formed in two sides of the notch position of the U-shaped groove in the box body, the case further comprises a pressing plate fastening screw which is used for penetrating through the shielding pressing plate and penetrating into the threaded holes, and the pressing plate fastening screw is used for pressing the shielding pressing plate on the box body. The shielding pressing plate can be completely taken down during use by being installed through the two pressing plate fastening screws, and the installation is convenient.

the other end of the shielding pressing plate is detachably connected with the box body, or a torsional spring is arranged at one rotating end of the shielding pressing plate on the box body and used for applying elastic force towards the squirrel cage to the shielding pressing plate. One end of the shielding pressure plate is always connected with the box body, so that the shielding pressure plate is prevented from falling and losing; the shielding pressing plate can be automatically compressed under the action of the torsional spring, and the device is simple in structure and convenient to install.

Drawings

FIG. 1 is a schematic diagram of a prior art chassis module;

FIG. 2 is a cutaway schematic view of a prior art chassis module;

fig. 3 is a schematic structural diagram of a chassis module according to embodiment 1 of the present invention;

fig. 4 is a cut-away schematic view of the case module embodiment 1 provided by the present invention;

fig. 5 is a schematic structural diagram of a box body in a chassis module in embodiment 1 of the present invention;

fig. 6 is an exploded view of a chassis module according to embodiment 1 of the present invention;

fig. 7 is an assembly diagram of the chassis module according to embodiment 1 of the present invention;

fig. 8 is a schematic structural diagram of a chassis module according to embodiment 2 of the present invention;

fig. 9 is a schematic structural diagram of a chassis module according to embodiment 3 of the present invention;

fig. 10 is a schematic structural diagram of a chassis module according to embodiment 4 of the present invention;

description of reference numerals:

1. a chassis; 2. a socket; 3. a support post; 4. a mouse cage; 5. a PCB board; 6. a seal ring; 7. a socket fastening screw; 8. an optical module; 101. a box body; 9. a boss; 10. a socket; 11. a shielding pressure plate; 12. a clamp plate fastening screw; 13. a threaded hole; 14. a U-shaped groove; 15. a hinge; 16. a torsion spring; 17. a through hole; 18. a separator.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, elements defined by the phrases "comprising a" \8230; "do not exclude processes, methods of including such elements.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" when they are used are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from specific situations.

The present invention is described in further detail below with reference to examples.

Embodiment 1 of the chassis module provided by the present invention:

as shown in fig. 3 to 7, the chassis module includes a chassis 1, and an optical module 8, a PCB 5, and a mouse cage 4 mounted on the chassis 1, the mouse cage 4 is sleeved outside the optical module 8, the mouse cage 4 is welded on the PCB 5, the PCB 5 is fixed on a pillar in the chassis 1 by a screw, and the mouse cage 4 directly contacts with the chassis 1 to shield and protect the optical module 8.

The structure of the case 1 is as shown in fig. 4 to 6, the case 1 includes a case body 101, a pillar for mounting the PCB 5 is arranged on the case body 101, a boss 9 is integrally formed on one side of the case body 101, the boss 9 protrudes, a socket 10 is arranged in the boss 9, the socket 10 is used for inserting an external plug, and the inner wall of the socket 10 is used for matching with a sealing ring outside the plug to realize sealing. The box body 101 is further provided with a U-shaped groove 14 with an upward opening, the U-shaped groove 14 is used for the mouse cage 4 to be placed in from top to bottom, and the groove bottom and the groove wall of the U-shaped groove 14 are both used for being in contact with the outer peripheral surface of the mouse cage 4 to realize conductive communication. Wherein the U-shaped slot 14 communicates with the socket 10 so that the optical module 8 can be inserted into the socket 10 for mating with a plug.

The case 1 further comprises a shielding pressing plate 11, and the shielding pressing plate 11 can be pressed on the U-shaped groove 14 from top to bottom and is in contact with the U-shaped groove 14, so that a shielding cavity with a closed circumferential direction is formed, and the squirrel cage 4 can be completely shielded. The shielding pressing plate 11 is detachably mounted on the box body 101 in a split manner, specifically, two threaded holes 13 are formed in two sides of the notch position of the U-shaped groove 14, screw through holes are correspondingly formed in the shielding pressing plate 11, and during use, the shielding pressing plate 11 is fixed at the notch of the U-shaped groove 14 through the two pressing plate fastening screws 12. The shielding pressing plate 11 can be pressed on the mouse cage 4 to be in conductive communication with the mouse cage 4, and the shielding pressing plate 11 is in conductive contact with the notch of the U-shaped groove 14 to realize full shielding with the mouse cage 4. Between the spigot 10 and the U-shaped channel 14 is a partition 18.

In the invention, as the conductive communication between the squirrel cage and the box body is realized without additionally arranging a socket, the structure is simple, and a sealing ring is not required to be arranged for installing the socket, thereby causing discontinuous shielding and poor shielding effect. When the chassis module in this embodiment is assembled, as shown in fig. 7, the squirrel cage 4 is firstly sleeved on the optical module 8, the squirrel cage 4 is welded on the PCB 5, and then the PCB 5 is mounted on the posts in the box 101 from top to bottom and fixed by screws. When the PCB 5 is installed downwards, the mouse cage 4 is placed in the U-shaped groove 14 and is in contact with the groove bottom and the groove wall of the U-shaped groove 14, finally the shielding pressing plate 11 is installed on the box body 101, and at the moment, the shielding sheet of the mouse cage 4 is connected with the shielding pressing plate 11, so that full shielding is realized.

Embodiment 2 of the chassis module of the present invention:

as shown in fig. 8, the difference from embodiment 1 is that in embodiment 1, the shield pressure plate is separately attached to the case by two pressure plate fastening screws. In this embodiment, a threaded hole is formed in the box body 101, one end of the shielding pressing plate 11 is rotatably assembled with the box body 101 through a hinge 15, and the other end of the shielding pressing plate is fixed through a pressing plate fastening screw 12. During assembly, the squirrel cage 4 is firstly installed on the PCB, one end of the shielding pressing plate 11 is lifted up, the PCB is put down, the shielding pressing plate 11 is put down, and the pressing plate fastening screw 12 is used for screwing and fixing. In other embodiments, the one end of shielding clamp plate is passed through the round pin axle and is rotated and install on the box, and the other end is removable continuous with the box, and removable continuous mode can be for the screw connection, also can be for clamping, specifically, is equipped with the fixture block on the shielding clamp plate, sets up the draw-in groove on the box, realizes clamping.

Embodiment 3 of the chassis module of the present invention:

as shown in fig. 9, the difference from embodiment 2 is that in this embodiment, a pin is installed on the box 101, a torsion spring 16 is installed on the pin, one end of the torsion spring 16 abuts against the box 101, and the other end is connected to a shielding pressure plate (not shown in the figure), so that the shielding pressure plate can be pressed on the box 101 through the torsion spring 16, thereby ensuring that the shielding pressure plate can be pressed on the squirrel cage 4.

Embodiment 4 of the chassis module of the present invention:

the difference from the above embodiments is that in the above embodiments, the shielding cavity is formed by the shielding pressure plate and the U-shaped groove. In this embodiment, as shown in fig. 10, a through hole 17 is formed in the housing 101, the through hole 17 communicates with the socket, the squirrel cage 4 is inserted into the through hole 17, and the inner wall surface of the through hole 17 is in contact with the squirrel cage 4 to achieve shielding conduction. The through-hole 17 now constitutes a circumferentially closed shielding chamber.

Embodiment 5 of the chassis module of the present invention:

the difference from the embodiments 1-3 is that in the embodiments 1-3, the shielding cavities are all in circumferentially closed structures. In the embodiment, the shielding pressure plate is eliminated, only the U-shaped groove is reserved, the squirrel cage is placed from the notch of the U-shaped groove, and at the moment, although the circumferentially closed shielding cavity cannot be formed, the squirrel cage can still be in contact with the inner wall surface of the shielding cavity, so that shielding is realized.

The specific embodiment of the case of the invention is as follows:

the structure of the chassis is the same as that of the chassis in each embodiment of the chassis module, and is not described herein again.

Finally, it should be noted that the above-mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments without inventive effort, or that some technical features may be substituted equally. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A chassis, its characterized in that: the method comprises the following steps:

the plug box comprises a box body (101), wherein a boss (9) is integrally and convexly arranged on the box body (101), and the boss (9) is provided with a socket (10) for inserting a plug;

the box body (101) is provided with a shielding cavity communicated with the socket (10), and the shielding cavity is provided with an inner wall surface used for contacting with the periphery of the squirrel cage (4) to realize shielding.

2. A cabinet according to claim 1, wherein: the squirrel cage is characterized in that a U-shaped groove (14) communicated with the socket (10) is formed in the box body (101), the squirrel cage (4) is placed into the U-shaped groove (14) from a notch, and the shielding cavity is formed in the U-shaped groove (14).

3. A cabinet according to claim 2, wherein: and a shielding pressure plate (11) which is used for being pressed on the squirrel cage (4) is movably or detachably arranged on the box body (101), and the shielding pressure plate (11) is used for being matched with the U-shaped groove (14) to form the shielding cavity which is circumferentially closed.

4. A cabinet according to claim 3, wherein: threaded holes (13) are formed in two sides of the notch position of the U-shaped groove (14) in the box body (101), the case (1) further comprises a pressing plate fastening screw (12) which is used for penetrating through the shielding pressing plate (11) and penetrating into the threaded holes (13), and the pressing plate fastening screw (12) is used for pressing the shielding pressing plate (11) on the box body (101).

5. A cabinet according to claim 3, wherein: one end of the shielding pressure plate (11) is rotatably assembled on the box body (101);

the other end of the shielding pressing plate (11) is detachably connected with the box body (101), or a torsion spring is arranged at one rotating end of the shielding pressing plate (11) on the box body (101) and used for applying elastic force towards the squirrel cage (4) to the shielding pressing plate (11).

6. A chassis module comprises a chassis (1), and a PCB (5) and a squirrel cage (4) which are arranged on the chassis (1);

the method is characterized in that: the cabinet (1) comprises:

the plug box comprises a box body (101), wherein a boss (9) is integrally and convexly arranged on the box body (101), and a socket (10) for inserting a plug is arranged on the boss (9);

the box body (101) is provided with a shielding cavity communicated with the socket (10), and the shielding cavity is provided with an inner wall surface which is in contact with the periphery of the squirrel cage (4) to realize shielding.

7. The chassis module of claim 6, wherein: the squirrel cage is characterized in that a U-shaped groove (14) communicated with the socket (10) is formed in the box body (101), the squirrel cage (4) is placed into the U-shaped groove (14) from a notch, and the shielding cavity is formed in the U-shaped groove (14).

8. The chassis module of claim 7, wherein: and a shielding pressure plate (11) which is used for being pressed on the squirrel cage (4) is movably or detachably arranged on the box body (101), and the shielding pressure plate (11) is used for being matched with the U-shaped groove (14) to form the shielding cavity which is circumferentially closed.

9. The chassis module of claim 8, wherein: threaded holes (13) are formed in two sides of the notch position of the U-shaped groove (14) in the box body (101), the case (1) further comprises a pressing plate fastening screw (12) which is used for penetrating through the shielding pressing plate (11) and penetrating into the threaded holes (13), and the pressing plate fastening screw (12) is used for pressing the shielding pressing plate (11) on the box body (101).

10. The chassis module of claim 8, wherein: one end of the shielding pressure plate (11) is rotatably assembled on the box body (101);