CN220325617U

CN220325617U - Optical receiver with openable protective cover

Info

Publication number: CN220325617U
Application number: CN202321826252.0U
Authority: CN
Inventors: 李吉玲; 丁杰; 来小平
Original assignee: Huagong Zhengyuan Intelligent Terminal Xiaogan Co ltd
Current assignee: Huagong Zhengyuan Intelligent Terminal Xiaogan Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-01-09
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses an optical receiver with an openable protective cover, which belongs to the technical field of optical communication and comprises a protective cover main body and an optical receiver body arranged in the protective cover main body, wherein the protective cover main body is a square shell with four vertical edges provided with chamfer surfaces, the top of the rear end surface of the protective cover main body is hinged with a sealing cover, a clamping damping device for clamping the optical receiver body is arranged in the protective cover main body, the clamping damping device comprises four horizontal clamping devices distributed in a rectangular diagonal manner and two vertical clamping devices arranged in an up-down opposite manner, and the optical receiver body is clamped in the clamping damping device; the front end face of the sealing cover is provided with the mounting part, the sliding groove formed in the mounting part is internally and slidably connected with the sliding closure device, and the front end face of the protective cover main body is provided with two clamping frames matched with the sliding closure device in a clamping manner.

Description

Optical receiver with openable protective cover

Technical Field

The utility model relates to the technical field of optical communication, in particular to an optical receiver with an openable protective cover.

Background

Optical receivers are widely used in the communications industry as a device for receiving optical signals (typically including photodetectors, optical amplifiers, equalizers, and signal processing procedures). In an optical fiber communication system, the task of the optical receiver is to recover information carried by an optical carrier after optical fiber transmission with minimum additional noise and distortion, so that the output characteristic of the optical receiver comprehensively reflects the performance of the whole optical fiber communication system; the optical receiver belongs to precise electronic equipment, and can cause work failure if impacted during work, and is extremely easy to be interfered by dust and rainwater during field work, so that maintenance pressure and maintenance cost are increased.

An indoor optical receiver with safe and convenient use and good performance is disclosed in the patent with publication number of CN 204362055U. The light receiver comprises a light receiver body, wherein the light receiver body is positioned in a front cover; the front cover is made of a metal material; the plug-in type power supply and the lightning arrester are positioned in the rear cover, and the rear cover is made of plastic; the size of the front cover is smaller than that of the rear cover, the edge part of the front cover is embedded into the rear cover to form embedded connection, a metal plate is arranged between the optical receiver body and the inserted sheet type power supply as well as between the optical receiver body and the lightning arrester, and the edge of the metal plate is connected with the edge of the front cover. The indoor optical receiver has the advantages of small and exquisite appearance and simple structure. The plug-in type power supply and the power supply plug are utilized, and the plug-in type power supply plug is plug-and-play and convenient to use. The heat inside the whole device can be easily conducted and dissipated via the fins. The metal plate is used as a shielding plate between the optical receiver body and the plug-in type power supply and the lightning arrester. Interference of the electromagnetic signal with the optical receiver is prevented. The overall performance of the optical receiver of the utility model is more reliable.

The scheme has the advantages of small and exquisite appearance, simple structure and capability of preventing electromagnetic signals from interfering the optical receiver, but the protection measures of dust, rainwater and impact are weak, so that the maintenance pressure and the maintenance cost of the optical receiver are increased, and in view of the problem, the optical receiver with the openable protective cover is provided.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings in the art, it is desirable to provide an optical receiver with an openable and closable guard.

In a first aspect, the application provides an optical receiver with an openable protective cover, which comprises a protective cover main body and an optical receiver body arranged in the protective cover main body, wherein the protective cover main body is a square shell with four vertical edges provided with chamfer faces, the top of the rear end face of the protective cover main body is hinged with a sealing cover, a clamping damping device used for clamping the optical receiver body is arranged in the protective cover main body, the clamping damping device comprises four horizontal clamping devices distributed diagonally in a rectangular shape and two vertical clamping devices arranged vertically opposite to each other, and the optical receiver body is clamped in the clamping damping device; the sealing cover is characterized in that the front end face of the sealing cover is provided with a mounting part, a sliding closing device is connected in a sliding groove formed in the mounting part in a sliding way, the front end face of the protective cover body is provided with two clamping frames matched with the sliding closing device in a clamping way, and a wiring hole for wiring the optical receiver body is formed in the center of one side end face of the protective cover body.

According to the technical scheme that this application embodiment provided, all have a plurality of anti-falling snubber blocks through glue bonding on the chamfer face of protection casing main part outer wall, anti-falling snubber block whole is the rubber material, anti-falling snubber block can the shock attenuation prevent falling the protection casing main part shell.

According to the technical scheme that this application embodiment provided, the top surface of protection casing main part with sealed bottom surface outward flange department has seted up seal groove and last seal groove respectively, install a sealing washer in the seal groove down, the sealing washer can prevent effectively that dust and rainwater from getting into the protection casing main part with in the sealed casing that forms of sealed lid.

According to the technical scheme that this application embodiment provided, vertical clamping device includes clamping plate and vertical spring, vertical spring one end with clamping plate welded fastening, one of them vertical clamping device in the vertical spring keep away from clamping plate's one end welded fastening is in the center of bottom surface in the protection casing main part, another vertical clamping device in the vertical spring keep away from clamping plate's one end welded fastening is in the center of bottom surface of sealed lid, two vertical clamping device is right the optical receiver body carries out the spacing of vertical direction is fixed.

According to the technical scheme that this application embodiment provided, horizontal clamping device includes clamping block and transverse spring, clamping block transversal L font of personally submitting, transverse spring one end with clamping block lateral wall middle part welded fastening, transverse spring keeps away from clamping block's the other end fixed connection is in the edge department chamfer face inside wall middle part of protection casing main part, horizontal clamping device can be right the optical receiver body carries out spacing fixed of horizontal direction.

According to the technical scheme that this application embodiment provided, be located four different directions the clamp block inside wall with it fixed connection's lateral spring effort down with the tight butt of optical receiver body, the clamp plate of upper and lower two directions respectively with optical receiver body up and down terminal surface butt under the effect of longitudinal spring, the optical receiver body is fixed in the clamp damping device, when meetting the striking, the lateral spring in the clamp damping device with longitudinal spring can absorb the power conversion from different directions and become elastic potential energy, thereby right the optical receiver body plays the effect of buffering.

According to the technical scheme that this application embodiment provided, sliding closure device including slide peg graft in the slide bar main part in the installation department, slide bar main part top is equipped with and is used for preventing its slip's stop piece, slide bar main part is close to the position of bottom and has seted up the logical groove of controlling and link up, install the spring in the logical groove, sliding closure device can be convenient sealed lid is in switch closure on the protection casing main part.

According to the technical scheme that this application embodiment provided, the equal welded fastening in spring both ends has flexible claw head, including slider and claw head two parts in the flexible claw head, slider sliding connection is in the logical inslot, the bottom surface is the arc surface and the top surface is the horizontal plane, the width of sliding rod main part is less than or equal to two distance between the joint frame, works as sealed lid is closed and the sliding rod main part slides down to the bottom, flexible claw head slip peg graft rather than the homonymy in the joint frame, when the arc surface of flexible claw head receives the force, flexible claw head compression spring is received and is retracted in the logical inslot until the claw head of flexible claw head comes completely the corresponding position of joint frame, flexible claw head is popped out under the effort of spring and the joint is fixed in the joint frame.

In summary, the technical scheme specifically discloses an optical receiver with an openable protective cover, which comprises a protective cover main body, a clamping damping device and a sealing cover hinged with the protective cover main body, wherein the optical receiver main body is arranged in the clamping damping device, a sealing ring is clamped between the protective cover main body and the sealing cover, and the protective cover main body and the sealing cover are connected with a clamping frame through a sliding closing device to control the switch to be closed; through setting up tight damping device of clamp, can play the effect of buffering energy-absorbing to the receiver body in very big degree, improve waterproof dustproof performance between protection casing main part and the sealed lid through setting up the sealing washer, set up the convenience that sliding closure device promoted protection casing switch closure, easily installation operation.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:

FIG. 1 is a schematic diagram of the overall structure of the utility model;

FIG. 2 is a schematic diagram illustrating the overall structure of the utility model;

FIG. 3 is a cross-sectional view of the overall structure of the utility model;

FIG. 4 is an exploded view of the overall structure of the utility model;

fig. 5 is an exploded view of a partial structure of the utility model.

In the figure:

1. a shield body; 11. clamping the frame; 12. a lower seal groove; 13. anti-falling shock-absorbing blocks; 14. a wiring hole;

2. sealing cover; 21. a mounting part; 22. an upper seal groove;

3. clamping a damping device; 31. a horizontal clamping device; 311. a clamping block; 312. a transverse spring; 32. a vertical clamping device; 321. a clamping plate; 322. a longitudinal spring;

4. an optical receiver body;

5. a sliding closure; 51. a slide bar main body; 511. a blocking piece; 512. a through groove; 52. a spring; 53. a retractable claw head; 531. a slide block; 532. a claw head;

6. and (3) sealing rings.

Detailed Description

The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-5, an optical receiver with an openable protective cover includes a protective cover main body 1 and an optical receiver body 4 disposed in the protective cover main body 1, wherein the protective cover main body 1 is a square casing with four vertical edges provided with chamfer faces, the top of the rear end face of the protective cover main body 1 is hinged with a sealing cover 2, a clamping damping device 3 for clamping the optical receiver body 4 is disposed in the protective cover main body 1, the clamping damping device 3 includes four horizontal clamping devices 31 distributed diagonally in a rectangular shape and two vertical clamping devices 32 disposed vertically opposite to each other, and the optical receiver body 4 is clamped in the clamping damping device 3; the front end face of the sealing cover 2 is provided with an installation part 21, a sliding closing device 5 is connected in a sliding way arranged on the installation part 21, the front end face of the protective cover main body 1 is provided with two clamping frames 11 matched with the sliding closing device 5 in a clamping way, and the center position of one side end face of the protective cover main body 1 is provided with a wiring hole 14 for wiring of the optical receiver main body 4.

Further, all have a plurality of anti-falling damper 13 through glue bonding on the chamfer face of protection casing main part 1 outer wall, anti-falling damper 13 is the rubber material entirely, and anti-falling damper 13 can shock attenuation prevent falling protection casing main part 1 shell.

Further, the top surface of protection casing main part 1 and the bottom surface outward flange department of sealed lid 2 have seted up respectively and have gone up seal groove 12, install a sealing washer 6 in the seal groove 12 down, the size of sealing washer 6 and the sum looks adaptation of the size of seal groove 12 down, last seal groove 22, when sealed lid 2 is covered tightly, the joint is at the inside seal groove 12 down and last seal groove 22 simultaneously, sealing washer 6 can prevent effectively that dust and rainwater from getting into the sealed casing that protection casing main part 1 and sealed lid 2 formed.

Further, the vertical clamping device 32 includes a clamping plate 321 and a longitudinal spring 322, one end of the longitudinal spring 322 is welded to the clamping plate 321, one end of the longitudinal spring 322 in one vertical clamping device 32, which is far away from the clamping plate 321, is welded to the center of the inner bottom surface of the protective cover main body 1, one end of the longitudinal spring 322 in the other vertical clamping device 32, which is far away from the clamping plate 321, is welded to the center of the bottom surface of the sealing cover 2, and the two vertical clamping devices 32 perform limiting fixation in the vertical direction on the light receiver main body 4.

Further, the horizontal clamping device 31 comprises a clamping block 311 and a transverse spring 312, the cross section of the clamping block 311 is L-shaped, one end of the transverse spring 312 is fixedly welded with the clamping block 311, the other end of the transverse spring 312, which is far away from the middle part of the outer side wall of the clamping block 311, is fixedly connected with the inner side wall of the chamfer surface at the edge of the protective cover main body 1, and the horizontal clamping device 31 can limit and fix the optical receiver main body 4 in the horizontal direction.

Further, the inner side walls of the clamping blocks 311 positioned in four different directions are tightly abutted with the optical receiver body 4 under the action of the transverse springs 312 fixedly connected with the inner side walls, the upper clamping plate 321 and the lower clamping plate 321 in two directions are respectively abutted with the upper end face and the lower end face of the optical receiver body 4 under the action of the two longitudinal springs 322, the optical receiver body 4 is fixed in the clamping damping device 3, and when the optical receiver body 4 is impacted, the transverse springs 312 and the longitudinal springs 322 in the clamping damping device 3 can absorb the forces from different directions and convert the forces into elastic potential energy, so that the optical receiver body 4 is buffered.

Further, the sliding closing device 5 includes a sliding rod main body 51 inserted in the mounting portion 21 in a sliding manner, a blocking block 511 for preventing the sliding rod main body 51 from sliding is provided at the top end of the sliding rod main body 51, a through slot 512 penetrating left and right is provided at a position of the sliding rod main body 51 near the bottom, a spring 52 is installed in the through slot 512, and the sliding closing device 5 can facilitate the sealing cover 2 to be opened and closed on the protective cover main body 1.

In addition, the two ends of the spring 52 are welded and fixed with the telescopic claw heads 53, the telescopic claw heads 53 comprise two parts of a sliding block 531 and a claw head 532, the sliding block 531 is slidably connected in the through groove 512, the bottom surface is an arc surface, the top surface is a horizontal surface, the width of the sliding rod main body 51 is smaller than or equal to the distance between the two clamping frames 11, when the sealing cover 2 is closed and the sliding rod main body 51 slides downwards to the bottommost end, the telescopic claw heads 53 are slidably inserted into the clamping frames 11 on the same side, when the arc surface of the telescopic claw heads 53 is stressed, the telescopic claw heads 53 compress the spring 52 to shrink into the through groove 512 until the claw heads 532 of the telescopic claw heads 53 completely come to the corresponding positions of the clamping frames 11, and the telescopic claw heads 53 are popped up and clamped and fixed in the clamping frames 11 under the acting force of the spring 52.

Working principle: the optical receiver body 4 is arranged in a clamping damping device 3 arranged in the protective cover main body 1, a vertical clamping device 32 arranged in the center of the inner bottom surface of the protective cover main body 1 plays a role in supporting the optical receiver body 4, four horizontal clamping devices 31 arranged on the inner chamfer surface of the protective cover main body 1 clamp and limit the optical receiver body 4 in the horizontal direction, a sealing cover 2 hinged on the rear end surface of the protective cover main body 1 and close to the top position is turned over to enable the sealing cover 2 and the opening of the protective cover main body 1 to be closed to form a sealing body, the vertical clamping devices 32 are also arranged in the center of the bottom of the sealing cover 2, and the upper vertical clamping device 32 and the lower vertical clamping device 32 limit the optical receiver body 4 in the vertical direction;

the edge of the closing surface of the protective cover main body 1 and the sealing cover 2, which is close to the edge, is respectively provided with a lower sealing groove 12 and an upper sealing groove 22, and a sealing ring 6 is clamped between the lower sealing groove 12 and the upper sealing groove 22; the front end face of the sealing cover 2 is provided with an installation part 21, a sliding closing device 5 is connected in a sliding way arranged on the installation part 21, and the front end face of the protective cover main body 1 is provided with a clamping frame 11 which is matched with the sliding closing device 5 in a clamping way;

pushing the sliding rod main body 51 downwards, wherein a through groove 512 is formed in the position, close to the bottom, of the sliding rod main body 51, a spring 52 is installed in the through groove 512, two ends of the spring 52 are connected with two telescopic claw heads 53 which are connected in the through groove 512 in a sliding mode, when the arc surfaces of claw heads 532 of the telescopic claw heads 53 are stressed in the downward movement process, the telescopic claw heads 53 compress the spring 52 to shrink into the through groove 512 until the claw heads 532 of the telescopic claw heads 53 completely come to the corresponding positions of the clamping frame 11, the telescopic claw heads 53 spring out under the acting force of the spring 52 and are clamped and fixed in the clamping frame 11, at the moment, the bottom surface of a blocking block 511 formed at the top end of the sliding rod main body 51 is overlapped with the top surface of a sealing cover 2, the sealing cover 2 and the protective cover main body 1 form a protective shell, and an external signal wire is connected with the optical receiver main body 4 through a wiring hole 14;

when the light receiver body 4 arranged in the light receiver body is impacted, a plurality of anti-falling shock absorption blocks 13 are adhered to the chamfer surface of the outer wall of the protective cover main body 1 through glue, the anti-falling shock absorption blocks 13 can absorb shock and prevent falling to protect the outer shell of the protective cover main body 1, and the transverse springs 312 and the longitudinal springs 322 in the clamping shock absorption device 3 can absorb forces from different directions and convert the forces into elastic potential energy, so that the light receiver body 4 can play a role in buffering; to this end, the mechanical work is completed.

The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims

1. The utility model provides a take optical receiver of protection casing that can open and shut, includes protection casing main part (1) and set up in optical receiver body (4) of protection casing main part (1) inside, its characterized in that: the protective cover comprises a protective cover body (1), wherein the protective cover body (1) is a square shell with four vertical edges provided with chamfer faces, the top of the rear end face of the protective cover body (1) is hinged with a sealing cover (2), a clamping damping device (3) for clamping the optical receiver body (4) is arranged in the protective cover body (1), the clamping damping device (3) comprises four horizontal clamping devices (31) which are distributed in a rectangular diagonal mode and two vertical clamping devices (32) which are oppositely arranged up and down, and the optical receiver body (4) is clamped in the clamping damping device (3); the sealing cover is characterized in that an installation part (21) is arranged on the front end face of the sealing cover (2), a sliding closing device (5) is connected in a sliding groove formed in the installation part (21) in a sliding mode, two clamping frames (11) matched with the sliding closing device (5) in a clamping mode are arranged on the front end face of the protective cover body (1), and a wiring hole (14) for wiring of the optical receiver body (4) is formed in the center of one side end face of the protective cover body (1).

2. The optical receiver with openable shield according to claim 1, wherein: a plurality of anti-falling shock-absorbing blocks (13) are adhered to chamfer surfaces of the outer wall of the protective cover main body (1) through glue, and the anti-falling shock-absorbing blocks (13) are made of rubber.

3. The optical receiver with openable shield as claimed in claim 2 wherein: the top surface of protection casing main part (1) with the bottom surface outward flange department of sealed lid (2) has seted up seal groove (12) and last seal groove (22) respectively, install a sealing washer (6) in seal groove (12) down.

4. An optical receiver with an openable shield as claimed in claim 3 wherein: the vertical clamping device (32) comprises a clamping plate (321) and a longitudinal spring (322), one end of the longitudinal spring (322) is welded and fixed with the clamping plate (321), one end, far away from the clamping plate (321), of the longitudinal spring (322) in the vertical clamping device (32) is welded and fixed at the center of the inner bottom surface of the protective cover main body (1), and the other end, far away from the clamping plate (321), of the longitudinal spring (322) in the vertical clamping device (32) is welded and fixed at the center of the bottom surface of the sealing cover (2).

5. The light receiver with openable shield of claim 4 wherein: the horizontal clamping device (31) comprises a clamping block (311) and a transverse spring (312), wherein the cross section of the clamping block (311) is L-shaped, one end of the transverse spring (312) is fixedly welded with the middle part of the outer side wall of the clamping block (311), and the other end of the transverse spring (312) away from the clamping block (311) is fixedly connected with the middle part of the inner side wall of the chamfer at the edge of the protective cover main body (1).

6. The light receiver with openable shield of claim 5 wherein: the inner side walls of the clamping blocks (311) positioned in four different directions are tightly abutted with the optical receiver body (4) under the action of the transverse springs (312) fixedly connected with the inner side walls, and the clamping plates (321) in the upper direction and the lower direction are respectively abutted with the upper end face and the lower end face of the optical receiver body (4) under the action of the two longitudinal springs (322).

7. The optical receiver with openable shield according to claim 1, wherein: the sliding closing device (5) comprises a sliding rod main body (51) which is inserted into the mounting part (21) in a sliding manner, a blocking block (511) for preventing the sliding rod main body (51) from slipping is arranged at the top end of the sliding rod main body, a left-right through groove (512) is formed in the position, close to the bottom, of the sliding rod main body (51), and a spring (52) is arranged in the through groove (512).

8. The light receiver with the openable shield of claim 7 wherein: the utility model discloses a telescopic claw head, including spring (52) both ends welded fastening, telescopic claw head (53) include slider (531) and claw head (532) two parts, slider (531) sliding connection is in logical groove (512), claw head (532) bottom surface is the arc surface and the top surface is the horizontal plane, the width of sliding rod main part (51) is less than or equal to two distance between joint frame (11), works as sealed lid (2) are closed and sliding rod main part (51) slide downwards when reaching bottom, telescopic claw head (53) slide and peg graft rather than the homonymy in joint frame (11).