CN216565990U

CN216565990U - Circuit board mounting box

Info

Publication number: CN216565990U
Application number: CN202123107770.0U
Authority: CN
Inventors: 陈晓; 巨仲伟; 陈平; 李渊亭; 谢金辉
Original assignee: Zhengzhou Yunzhou Electronic Technology Co ltd
Current assignee: Zhengzhou Yunzhou Electronic Technology Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-05-17
Anticipated expiration: 2031-12-10

Abstract

The utility model relates to a circuit board mounting box, which comprises an upper shell, a lower shell and a fixing structure, wherein the upper shell is provided with a first fixing hole; the upper shell and the lower shell are of groove body structures which are buckled oppositely; the fixing structure comprises a left fixing part and a right fixing part which are symmetrically arranged; the left fixing part and the right fixing part respectively comprise a supporting seat, a clamping plate and a supporting column; the two clamping plates are hinged to the corresponding supporting seats respectively at the far ends, and are matched with the corresponding supporting seats to clamp the circuit board; the support column comprises a plurality of support columns, one end of each support column is connected in the upper shell, and the other end of each support column is pressed on the corresponding clamping plate. Through the cooperation of splint with corresponding the supporting seat, the centre gripping circuit board simultaneously through the support column to the support of splint press, the fixed splint that correspond removes, fixes the circuit board, and it is convenient to dismantle, can not harm the circuit board.

Description

Circuit board mounting box

Technical Field

The utility model relates to the technical field of circuit board installation, in particular to a circuit board installation box.

Background

In the field of communication technology, a communication circuit board is generally installed in a specific installation box, and is installed and fixed by screws or fixing glue, and then the box body is clamped by bolts. In the process of maintenance and repair, the mounting mode is troublesome in disassembly and assembly, and the communication circuit board is easily damaged or the service life of the communication circuit board is reduced, so that communication faults are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a circuit board mounting box, which aims to solve the problems that in the prior art, a circuit board is fixed through a bolt, is not easy to disassemble and assemble and is easy to damage.

In order to achieve the purpose, the utility model adopts the following technical scheme: a circuit board mounting box comprises an upper shell, a lower shell and a fixing structure;

the upper shell and the lower shell are of groove body structures which are buckled oppositely;

the fixing structure comprises a left fixing part and a right fixing part which are symmetrically arranged; the left fixing part and the right fixing part respectively comprise a supporting seat, a clamping plate and a supporting column;

the two clamping plates are hinged to the corresponding supporting seats respectively at the far ends, and are matched with the corresponding supporting seats to clamp the circuit board;

the support column comprises a plurality of support columns, one end of each support column is connected in the upper shell, and the other end of each support column is pressed on the corresponding clamping plate.

Further, two the supporting seat all includes vertical board and horizontal plate, two vertical board sets up perpendicularly respectively the upside of lower casing bottom plate, two horizontal plates set up respectively and correspond the upside of vertical board.

Further, the two horizontal plates are respectively perpendicular to the corresponding vertical plates, and the two horizontal plates respectively extend along the top ends of the corresponding vertical plates oppositely.

Furthermore, two horizontal plates are all provided with a groove along length direction's one side outwards, two the both ends that are used for placing the circuit board in the recess.

Further, the support column includes six, and each the one end of support column is connected the downside of upper casing roof, the hypomere of support column is the buffer cylinder of tube-shape, install in the buffer cylinder and compress tightly the subassembly, compress tightly the subassembly and include the spring and compress tightly the post, the one end of spring is connected the bobbin base of buffer cylinder, the other end is connected compress tightly on the post, it establishes to compress tightly the post interpolation in the buffer cylinder.

Furthermore, the edge of the opening of the buffer cylinder shrinks towards the center of the circle to form a stop part, an annular stop ring is arranged on the column body of the compression column and located inside the buffer cylinder, and the inner diameter of the stop part is smaller than the outer diameter of the stop ring.

Further, left side fixed part and right fixed part include three respectively the support column, three the support column is respectively along corresponding the length direction of horizontal plate sets up.

Furthermore, the groove bottoms of the two grooves and one side, close to the horizontal plate, of the clamping plate are provided with anti-slip pads.

Furthermore, two ends of the two clamping plates along the length direction respectively extend towards the direction corresponding to the horizontal plate to form clamping edges for clamping the corresponding horizontal plate.

The utility model has the beneficial effects that: a circuit board mounting box comprises an upper shell, a lower shell and a fixing structure; the upper shell and the lower shell are of groove body structures which are oppositely buckled; the fixing structure comprises a left fixing part and a right fixing part which are symmetrically arranged; left side fixed part and right fixed part all include supporting seat, splint and support column, through splint and the cooperation that corresponds the supporting seat, the centre gripping circuit board, simultaneously through the support column to pressing of splint, fixed corresponding splint remove, fix the circuit board, dismantle the convenience, can not harm the circuit board.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic structural diagram of the opening state of a middle left splint and a right splint which can be used by the novel model;

FIG. 3 is a schematic cross-sectional view of the left support part of the present invention;

FIG. 4 is an enlarged view of the structure of the pressing column and the buffer cylinder in the present invention;

fig. 5 is a structural diagram of a right side view of the left clamp plate and the corresponding horizontal plate in a clamped state in the present invention.

Names corresponding to the marks in the figure: 1. the circuit board comprises an upper shell, 2, a lower shell, 3, a fixing structure, 31, a left fixing part, 32, a left supporting seat, 321, a vertical plate, 322, a horizontal plate, 323, a left groove, 33, a left clamping plate, 331, a clamping edge, 34, a left supporting column, 341, a buffer cylinder, 342, a spring, 343, a pressing column, 344, a stopping part, 345, a baffle ring, 35, a right fixing part, 36, a right supporting seat, 361, a right groove, 37, a right clamping plate, 38, a right supporting column, 4 and a circuit board.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

The embodiment of the utility model comprises the following steps: as shown in fig. 1 to 5, a circuit board mounting box includes an upper housing 1, a lower housing 2 and a fixing structure 3, wherein the upper housing 1 and the lower housing 2 are fastened together, and the fixing structure 3 is used for fixing a circuit board 4.

The upper shell 1 is of a groove-shaped structure with a downward opening, the middle part of the lower end of each side wall of the upper shell 1 protrudes outwards, and a clamping strip is arranged and used for being clamped with the lower shell 2. Lower casing 2 is the cell type structure that corresponds with last casing 1, and the notch up, and the edge of the open end of lower casing 2 is provided with and blocks strip complex draw-in groove, and the card strip can block and establish in the draw-in groove that corresponds. Through the corresponding cooperation of card strip and draw-in groove, realize going up the card of casing 1 and casing 2 and establish, this card is established the technique and is belonged to prior art, and this is no longer repeated here.

The fixing structure 3 comprises a left fixing portion 31 and a right fixing portion 35 which are symmetrically arranged, and since the left fixing portion 31 and the right fixing portion 35 are symmetrically arranged, taking the left fixing portion 31 as an example to state, the left fixing portion 31 comprises a left supporting seat 32, a left clamping plate 33 and a left supporting column 34, the left supporting seat 32 comprises a vertical plate 321 and a horizontal plate 322, the lower end of the vertical plate 321 is fixedly connected to the upper side surface of the bottom of the lower shell 2 along the front-back direction; horizontal plate 322 is perpendicular to vertical plate 321 and extends rightward along the upper end of horizontal plate 322 such that horizontal plate 322 and vertical plate 321 form an L-shaped structure.

The upper side of the horizontal plate 322 is provided with a left groove 323 for placing the circuit board 4, the upper side of the bottom of the left groove 323 is provided with a plurality of bulges, and the bulges are used for being inserted into the mounting holes on the circuit board 4.

The left clamp plate 33 is hinged on the upper side of the horizontal plate 322, and the left clamp plate 33 and the left side of the horizontal plate 322 are hinged through a hinge shaft, so that the left clamp plate 33 and the horizontal plate 322 are turned in the counterclockwise direction with the left end as the axis. The front and rear length of the left clamping plate 33 is the same as the front and rear length of the horizontal plate 322, in order to ensure the stability of the left clamping plate 33 and the horizontal plate 322, the front and rear ends of the left clamping plate 33 extend towards two sides respectively and are bent downwards to form clamping edges 331, the clamping edges 331 are clamped at two sides of the horizontal plate 322, the lower end is clamped at the lower side of the horizontal plate 322, and the horizontal plate 322 is clamped through the matching of the clamping edges 331 and the horizontal plate 322.

Left branch dagger 34 is provided with threely, and sets up along left splint 33's fore-and-aft direction equidistance, the equal vertical fixation in upper end of left branch dagger 34 is in the downside of the tank bottom of last casing 1, and the lower extreme is used for compressing tightly left splint 33. The lower section of the left support pillar 34 is a buffer cylinder 341 with a cylindrical structure, a pressing component is mounted inside the buffer cylinder 341 and comprises a spring 342 and a pressing pillar 343, the upper end of the spring 342 is fixed at the top end inside the buffer cylinder 341, and the lower end is fixedly connected at the upper end of the pressing pillar 343. The lower end of the buffer cylinder 341 is contracted towards the center to form a stop part 344, the stop part 344 is used for matching with the pressing column 343, the upper end of the pressing column 343 extends outwards along the wall circumference to form an annular stop ring 345, the stop ring 345 is positioned on the upper side of the stop part 344, the outer diameter of the stop ring 345 is smaller than the inner diameter of the lower end of the buffer cylinder 341, and the problem that the pressure on the horizontal plate 322 is unstable due to the fact that the pressing column 343 excessively extends downwards is prevented through the matching of the stop part 344 and the stop ring 345. Through the cooperation of the spring 342 and the pressing column 343, the pressing column 343 can press the left clamping plate 33 from the upper side, so that the left clamping plate 33 is prevented from being separated from the horizontal plate 322, and the clamping force of the left clamping plate 33 and the horizontal plate 322 on the circuit board 4 is better ensured.

Right fixed part 35 is the same with left fixed part 31, including right supporting seat 36, right splint 37, right support post 38 and right recess 361, carries out the centre gripping to circuit board 4 through right supporting seat 36 and right splint 37, compresses tightly right splint 37 through right support post 38 simultaneously, prevents that right supporting seat 36 and right splint 37 from separating, improves the stability of centre gripping.

In order to improve the stability of the circuit board 4, the upper sides of the left groove 323 and the right groove 361 and the lower sides of the left clamping plate 33 and the right clamping plate 37 are respectively provided with a layer of anti-slip pad with elasticity, so that the circuit board 4 is prevented from being damaged, the friction force between the circuit board 4 and the anti-slip pads can be increased, and the mounting stability is improved.

In the using process, the circuit board 4 is placed in the left groove 323 and the right groove 361, and then the left clamping plate 33 and the right clamping plate 37 are turned over, so that the left clamping plate 33 and the right clamping plate 37 are turned over to the upper sides of the corresponding left supporting seat 32 and the right supporting seat 36, and the circuit board 4 in the left groove 323 and the right groove 361 is clamped; the left and

right clamping plates

33 and 37 are prevented from being separated from the corresponding left and right supporting

seats

32 and 36 by the clamping edges 331 at the front and rear ends of the left and

right clamping plates

33 and 37. The upper shell 1 is buckled on the lower shell 2, so that the clamping strips are matched with the corresponding clamping grooves, and the upper shell 2 and the lower shell 2 are installed; at this time, the lower ends of the left support pillar 34 and the right support pillar 38 are respectively pressed on the upper sides of the corresponding left clamping plate 33 and the right clamping plate 37, so that the left clamping plate 33 and the right clamping plate 37 are prevented from being separated from the corresponding left support seat 32 and the right support seat 36, and the circuit board 4 is clamped. When the circuit board is required to be disassembled, the upper shell 1 and the lower shell 2 are only required to be separated, the left supporting column 34 and the right supporting seat 36 are separated from the corresponding left clamping plate 33 and the right clamping plate 37, and the circuit board 4 can be disassembled by turning the left clamping plate 33 and the right clamping plate 37.

Claims

1. A circuit board mounting box is characterized in that: comprises an upper shell, a lower shell and a fixed structure;

2. A circuit board mounting box according to claim 1, wherein: two the supporting seat all includes vertical board and horizontal plate, two vertical board sets up perpendicularly respectively the upside of lower casing bottom plate, two horizontal plates set up respectively and are corresponding the upside of vertical board.

3. A circuit board mounting box according to claim 2, wherein: the two horizontal plates are respectively perpendicular to the corresponding vertical plates, and the two horizontal plates respectively extend along the top ends of the corresponding vertical plates oppositely.

4. A circuit board mounting box according to claim 3, wherein: two horizontal plates all are provided with the recess along length direction's one side outwards, two the both ends that are used for placing the circuit board in the recess.

5. A circuit board mounting box according to claim 2, wherein: the support column includes six, each the one end of support column is connected the downside of upper casing roof, the hypomere of support column is the buffer cylinder of tube-shape, install in the buffer cylinder and compress tightly the subassembly, compress tightly the subassembly and include the spring and compress tightly the post, the one end of spring is connected the bobbin base of buffer cylinder, the other end is connected compress tightly on the post, it establishes to compress tightly the post insert in the buffer cylinder.

6. A circuit board mounting box according to claim 5, wherein: the edge of the opening of the buffer cylinder shrinks towards the circle center to form a blocking part, an annular blocking ring is arranged on the column body of the compression column and located inside the buffer cylinder, and the inner diameter of the blocking part is smaller than the outer diameter of the blocking ring.

7. A circuit board mounting box according to claim 6, wherein: the left fixing part and the right fixing part respectively comprise three support columns, and the support columns are arranged along the length direction corresponding to the horizontal plate respectively.

8. A circuit board mounting box according to claim 4, wherein: and anti-slip pads are arranged at the bottoms of the two grooves and at one side of the clamping plate, which is close to the corresponding horizontal plate.

9. A circuit board mounting box according to claim 8, wherein: two ends of the two clamping plates along the length direction respectively extend towards the direction corresponding to the horizontal plate to form clamping edges used for clamping the lower side of the corresponding horizontal plate.