CN210427882U

CN210427882U - Optical module shell

Info

Publication number: CN210427882U
Application number: CN201921849291.6U
Authority: CN
Inventors: 丁超群; 罗明辉
Original assignee: Suzhou Songxiang Dentsu Technology Co ltd
Current assignee: Suzhou Songxiang Dentsu Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-04-28
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses an optical module casing, last casing and lower casing including mutual block, the front portion of going up the casing is provided with the anterior limit structure in upper strata, the rear portion of going up the casing is provided with upper rear portion limit structure, down the front portion of casing be provided with the anterior limit structure of the anterior limit structure complex lower floor in upper strata, down the rear portion of casing be provided with upper rear portion limit structure complex lower floor rear portion limit structure, the anterior limit structure in upper strata with the anterior limit structure cooperation of lower floor forms anterior limit structure, upper rear portion limit structure with lower floor rear portion limit structure cooperation forms rear portion limit structure. The utility model discloses an optical module casing sets up respectively at the front portion and the rear portion of casing and sets up anterior limit structure and rear portion limit structure, and through the spacing of front and back both sides, clearance between the casing about the reduction improves optical module casing's leakproofness.

Description

Optical module shell

Technical Field

The utility model relates to an optical communication technical field, concretely relates to optical module casing.

Background

The optical module shell generally comprises an upper shell and a lower shell, wherein the upper shell covers the lower shell to form a containing cavity for containing an optoelectronic element, and after the upper shell and the lower shell of the optical module shell commonly used in the prior art are matched, a proper limit structure is not provided for limiting the upper shell and the lower shell, so that after the upper shell and the lower shell are assembled, a gap between the upper shell and the lower shell is large, and the sealing performance of the shells is poor.

Disclosure of Invention

In view of this, in order to solve the problem of prior art, the utility model provides an optical module casing can reduce the clearance between the upper and lower casing, and the casing leakproofness is good.

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

the utility model provides an optical module casing, includes the last casing and the lower casing of mutual block, the front portion of going up the casing is provided with the anterior limit structure in upper strata, the rear portion of going up the casing is provided with upper rear portion limit structure, the front portion of casing down be provided with the anterior limit structure in the anterior limit structure complex lower floor in upper strata, the rear portion of casing down be provided with upper rear portion limit structure complex lower floor rear portion limit structure, the anterior limit structure in upper strata with the anterior limit structure cooperation in lower floor forms anterior limit structure, upper rear portion limit structure with the lower floor rear portion limit structure cooperation forms rear portion limit structure. The optical module shell is provided with a front limiting structure and a rear limiting structure, and the gap between the upper shell and the lower shell is reduced through limiting on the front side and the rear side, so that the sealing performance of the optical module shell is improved.

In the foregoing technical solution, preferably, the lower casing includes a lower-layer substrate and lower-layer side plates disposed on two sides of the lower-layer substrate in the width direction, a length extending direction of each of the lower-layer side plates is the same as a length extending direction of the lower-layer substrate, the lower-layer front limiting structure includes a lower-layer front limiting part disposed on the front portion of the lower-layer side plate, and the lower-layer rear limiting structure includes a lower-layer rear limiting part disposed on the rear portion of the lower-layer side plate.

Among the above-mentioned technical scheme, further preferably, the anterior locating part of lower floor includes vertical portion and horizontal part, the lower extreme of vertical portion with the top surface of lower floor's curb plate is connected, the upper end of vertical portion to casing rear portion direction extends down and forms the horizontal part, be provided with the first chamfer inclined plane of lower floor on the horizontal part, the inclination on the first chamfer inclined plane of lower floor is 30 ~ 60, vertical portion is close to the one side at casing rear portion down with the connection face of the top surface of lower floor's curb plate sets up to the arc surface. The lower-layer front limiting part is arranged on the lower-layer side plate, and the horizontal part of the lower-layer front limiting part is provided with a lower-layer first chamfer inclined plane for limiting the upper shell and the lower shell at the front end of the shell.

Among the above-mentioned technical scheme, still further preferably, lower floor's rear portion locating part including set up in stopper on the curb plate of lower floor, the stopper is close to the anterior one side of casing sets up to lower floor's second chamfer inclined plane down, the inclination on lower floor's second chamfer inclined plane is less than 90. The lower-layer rear limiting part is arranged on the lower-layer side plate, and one surface of the lower-layer rear limiting part, which is close to the front part of the lower shell, is provided with a lower-layer second chamfer inclined surface for limiting the position between the upper shell and the lower shell at the rear end of the shell

In the foregoing technical solution, it is further preferable that the upper casing includes an upper substrate and upper side plates disposed on both sides of the upper substrate in a width direction, a length extending direction of each of the upper side plates is the same as a length extending direction of the upper substrate, the upper front limiting structure includes an upper front limiting member disposed on a front portion of each of the upper side plates, and the upper rear limiting structure includes an upper rear limiting member disposed on a rear portion of each of the upper side plates.

In the foregoing technical solution, it is still further preferred that the upper front limiting part includes an upper first chamfered slope disposed on an upper portion of the upper side plate, and the upper first chamfered slope is attached to the lower first chamfered slope. The first chamfer inclined plane of upper strata and the laminating of the first chamfer inclined plane of lower floor, thereby both mutually support carry on spacingly from the front side of casing to the casing, improve the shell body leakproofness.

In the foregoing technical solution, and further preferably, the upper rear limiting part includes an upper second chamfer inclined plane disposed at a lower portion of the upper side plate, and the upper second chamfer inclined plane is attached to the lower second chamfer inclined plane. Thereby upper second chamfer inclined plane and lower floor's second chamfer inclined plane laminating, thereby both mutually support carry on spacingly from the rear side of casing to the casing, improve the casing leakproofness.

In the above technical scheme, it is still further preferred that a limiting groove is formed in a side surface of the upper layer side plate, and a limiting projection used for extending into the limiting groove is arranged on a top surface of the lower layer side plate. The limiting convex block is arranged on the outer side of the upper layer side plate, and the sealing performance of the shell is enhanced.

Compared with the prior art, the utility model discloses an useful part lies in: the utility model discloses an optical module casing sets up respectively at the front portion and the rear portion of casing and sets up anterior limit structure and rear portion limit structure, and through the spacing of front and back both sides, clearance between the casing about the reduction improves optical module casing's leakproofness.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an optical module housing according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lower housing in an optical module housing according to a preferred embodiment of the present invention;

fig. 3 is a schematic structural diagram of an upper housing in an optical module housing according to a preferred embodiment of the present invention.

Wherein: the structure comprises an upper shell-100, an upper layer base plate-110, an upper layer side plate-120, a limiting groove-121, an upper layer front limiting part-130, an upper layer first chamfer inclined surface-131, an upper layer rear limiting part-140, an upper layer second chamfer inclined surface-141, a lower shell-200, a lower layer base plate-210, a lower layer side plate-220, a limiting lug-221, a lower layer front limiting part-230, a vertical part-231, a horizontal part-232, a lower layer first chamfer inclined surface-233, a lower layer rear limiting part-240, a lower layer second chamfer inclined surface-241, a front limiting structure-300 and a rear limiting structure-400.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Referring to fig. 1, the present embodiment provides an optical module housing, including an upper housing 100 and a lower housing 200 that are clamped to each other, a front portion of the upper housing 100 is provided with an upper front limit structure, a rear portion of the upper housing 100 is provided with an upper rear limit structure, a front portion of the lower housing 200 is provided with a lower front limit structure that is matched with the upper front limit structure, a rear portion of the lower housing 200 is provided with a lower rear limit structure that is matched with the upper rear limit structure, the upper front limit structure and the lower front limit structure are matched to form a front limit structure 300, and the upper rear limit structure and the lower rear limit structure are matched to form a rear limit structure 400. The optical module shell is provided with a front limiting structure 300 and a rear limiting structure 400, and the clearance between the upper shell and the lower shell is reduced through limiting at the front side and the rear side, so that the sealing performance of the optical module shell is improved.

Referring to fig. 2, the lower case 200 includes a lower substrate 210 and lower side plates 220 disposed on both sides of the lower substrate 210 in a width direction, a length extending direction of each of the lower side plates 220 is the same as a length extending direction of the lower substrate 210, a lower front limiting structure includes a lower front limiting member 230 disposed in front of each of the lower side plates 220, and a lower rear limiting structure includes a lower rear limiting member 240 disposed in rear of each of the lower side plates 220.

Wherein, lower floor's front portion locating part 230 includes vertical portion 231 and horizontal portion 232, and the lower extreme of vertical portion 231 is connected with the top surface of lower floor's curb plate 220, and the upper end of vertical portion 231 extends to the lower casing 200 rear portion direction and forms horizontal portion 232, is provided with the first chamfer inclined plane 233 of lower floor on the horizontal portion 232, and the inclination of the first chamfer inclined plane 233 of lower floor is 30, and the vertical portion 231 is close to the one side at lower casing 200 rear portion and sets up to the arc surface with the connection face of the top surface of lower floor. The lower-layer rear limiting member 240 is a limiting block arranged on the lower-layer side plate 220, one surface of the limiting block, which is close to the front portion of the lower casing 200, is set to be a lower-layer second chamfer inclined surface 241, and the inclination angle of the lower-layer second chamfer inclined surface 241 is 45 degrees.

Referring to fig. 3, the upper casing 100 includes an upper substrate 110 and upper side plates 120 disposed at both sides of the upper substrate 110 in a width direction, a length extending direction of each upper side plate 120 is the same as that of the upper substrate 110, an upper front limiting structure includes an upper front limiting member 130 disposed at a front portion of each upper side plate 120, and an upper rear limiting member 140 disposed at a rear portion of the upper side plate 120.

The upper front limiting member 130 includes an upper first chamfered slope 131 disposed on the upper portion of the upper side plate 120, and the upper first chamfered slope 131 is attached to the lower first chamfered slope 233. The upper first chamfer inclined plane 131 is attached to the lower first chamfer inclined plane 233, and the upper first chamfer inclined plane and the lower first chamfer inclined plane are matched with each other to limit the shell from the front side of the shell. The upper rear limiting member 140 includes an upper second chamfer inclined surface 141 disposed at a lower portion of the upper side plate 120, and the upper second chamfer inclined surface 141 is attached to the lower second chamfer inclined surface 241, so that the upper second chamfer inclined surface and the lower second chamfer inclined surface cooperate with each other to limit the housing from the rear side of the housing.

In addition, the side surface of the upper side plate 120 is provided with a limit groove 121, and the top surface of the lower side plate 220 is provided with a limit bump 221 extending into the limit groove 121. When the upper casing 100 and the lower casing 200 are closed, the limiting bump 221 is disposed outside the upper side plate 120, which is beneficial to enhancing the sealing performance of the casing.

According to the optical module shell, the front limiting structure and the rear limiting structure are arranged on the front portion and the rear portion of the shell respectively, the gap between the upper shell and the lower shell is reduced through limiting on the front side and the rear side, and the sealing performance of the optical module shell is improved.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides an optical module casing, its characterized in that, is including the last casing and the lower casing of mutual block, the front portion of going up the casing is provided with the anterior limit structure in upper strata, the rear portion of going up the casing is provided with upper rear portion limit structure, the front portion of casing down be provided with the anterior limit structure of the anterior limit structure complex lower floor in upper strata, the rear portion of casing down be provided with upper rear portion limit structure complex lower floor rear portion limit structure, the anterior limit structure in upper strata with the anterior limit structure cooperation in lower floor forms anterior limit structure, upper rear portion limit structure with the cooperation of lower floor rear portion limit structure forms rear portion limit structure.

2. The optical module housing according to claim 1, wherein the lower housing includes a lower substrate and lower side plates disposed on both sides of the lower substrate in a width direction, a length extending direction of each of the lower side plates is the same as a length extending direction of the lower substrate, the lower front limiting structure includes a lower front limiting member disposed on a front portion of each of the lower side plates, and the lower rear limiting structure includes a lower rear limiting member disposed on a rear portion of each of the lower side plates.

3. The optical module housing according to claim 2, wherein the lower-layer front stopper includes a vertical portion and a horizontal portion, a lower end of the vertical portion is connected to a top surface of the lower-layer side plate, an upper end of the vertical portion extends toward a rear portion of the lower housing to form the horizontal portion, a lower-layer first chamfer inclined surface is provided on the horizontal portion, an inclination angle of the lower-layer first chamfer inclined surface is 30-60 °, and a connecting surface of one surface of the vertical portion, which is close to the rear portion of the lower housing, and the top surface of the lower-layer side plate is an arc surface.

4. The optical module housing according to claim 3, wherein the lower-layer rear-portion limiting member comprises a limiting block disposed on the lower-layer side plate, one surface of the limiting block, which is close to the front portion of the lower housing, is set as a lower-layer second chamfer inclined surface, and an inclination angle of the lower-layer second chamfer inclined surface is smaller than 90 °.

5. The optical module case according to claim 4, wherein the upper case includes an upper board and upper side boards disposed on both sides of the upper board in a width direction, a length extending direction of each of the upper side boards is the same as a length extending direction of the upper board, the upper front limit structure includes an upper front stopper disposed on a front portion of each of the upper side boards, and the upper rear limit structure includes an upper rear stopper disposed on a rear portion of each of the upper side boards.

6. The optical module housing according to claim 5, wherein the upper front stopper includes an upper first chamfered surface provided on an upper portion of the upper side plate, and the upper first chamfered surface is engaged with the lower first chamfered surface.

7. The optical module housing according to claim 6, wherein the upper rear stopper includes an upper second chamfer slope provided at a lower portion of the upper side plate, the upper second chamfer slope being in contact with the lower second chamfer slope.

8. The optical module housing according to claim 7, wherein a limiting groove is formed in a side surface of the upper side plate, and a limiting protrusion for extending into the limiting groove is formed on a top surface of the lower side plate.