CN210405799U

CN210405799U - Positioning and circulating tool for earphone PCB

Info

Publication number: CN210405799U
Application number: CN201920852466.2U
Authority: CN
Inventors: 余瑞杰
Original assignee: Qingdao Mingyusheng Precision Mould Co Ltd
Current assignee: Qingdao Mingyusheng Precision Mould Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-04-24
Anticipated expiration: 2029-06-06

Abstract

The utility model belongs to the technical field of circuit board production, a location circulation frock of earphone PCB board is related to, including fixed plate and backup pad, the fixed plate with the backup pad passes through elastomeric element elastic connection, a plurality of evenly distributed's constant head tank is seted up to the fixed plate up end, the backup pad up end fixedly connected with a plurality of with constant head tank complex support column; the utility model discloses be equipped with the fixed plate, set up a plurality of evenly distributed's constant head tank on the fixed plate, earphone PCB circuit board is located the constant head tank, and laminate with the support column up end in the backup pad, thereby realize spacing to earphone PCB board horizontal direction through the constant head tank, constant head tank inner wall upper end fixedly connected with spacing ring, the material of spacing ring is silica gel, the internal dimension of spacing ring is greater than the external dimension of earphone PCB board, thereby can effectually prevent at the in-process of circulation through the spacing ring, the PCB board drops from the constant head tank.

Description

Positioning and circulating tool for earphone PCB

Technical Field

The utility model relates to a circuit board production technical field specifically is a location circulation frock of earphone PCB board.

Background

The PCB is called as a Printed Circuit Board (PCB) by the name of Chinese, also called as a printed circuit board, is an important electronic component, is a support body of the electronic component, is a carrier for electrical connection of the electronic component, is called as a printed circuit board because the PCB is manufactured by adopting the electronic printing technology, and after the electronic equipment adopts the printed circuit board, because of the consistency of the same printed circuit board, the error of manual wiring is avoided, the automatic insertion or mounting, automatic soldering and automatic detection of the electronic component can be realized, the quality of the electronic equipment is ensured, the labor productivity is improved, the cost is reduced, and the maintenance is convenient.

The Chinese patent discloses a positioning tool capable of stably clamping a PCB, and the positioning tool is disclosed as (CN106102344A), wherein a plurality of partition plates are uniformly distributed on a bottom plate, so that the stress of each part on the lower surface of the circuit board is uniform, particularly the middle part of the circuit board is fully stressed, but the size of a PCB body of an earphone is small, a plurality of strip-shaped plates are used for clamping and limiting, and the positioning tool is only suitable for plate-type PCB circuit boards with larger size, so that the positioning tool cannot be used for positioning the earphone PCB. Therefore, a person skilled in the art provides a positioning and circulating tool for a PCB of an earphone to solve the problems mentioned in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a location circulation frock of earphone PCB board to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a positioning and circulating tool for a PCB (printed circuit board) of an earphone comprises a fixed plate and a supporting plate, wherein the fixed plate is elastically connected with the supporting plate through an elastic component, a plurality of positioning grooves which are uniformly distributed are formed in the upper end face of the fixed plate, a plurality of supporting columns matched with the positioning grooves are fixedly connected to the upper end face of the supporting plate, the supporting columns are slidably connected inside the positioning grooves, the number of the elastic components is four, the elastic components comprise a first elastic plate and a second elastic plate, the first elastic plate is fixedly connected to four corners of the outer wall of the fixed plate respectively, the second elastic plate is fixedly connected to the outer wall of the supporting plate, the second elastic plate is positioned at the bottom of the first elastic plate, a first fixed column is fixedly connected to the middle position of the bottom of the first elastic plate, a sliding groove is formed in the bottom of the first fixed column, and a second fixed column, sliding connection has the sliding tray inner wall the second fixed column, the spring has in the sliding tray, first fixed column with the second fixed column passes through spring elastic connection.

As a further aspect of the present invention: the outer wall of the second fixing column is sleeved with a clamping pipe, a through groove is formed in one side of the clamping pipe, and the through groove penetrates through the inner wall and the outer wall of the clamping pipe.

As a further aspect of the present invention: the height of the clamping pipe is consistent with the height of the second fixing column exposed outside.

As a further aspect of the present invention: the inner wall of the positioning groove is far away from one end of the support column, a fixed ring groove is formed in one end of the positioning groove, and a limiting ring is fixedly connected in the fixed ring groove.

As a further aspect of the present invention: the support column is close to one end of the limiting ring and is provided with a chamfer.

As a further aspect of the present invention: the inner wall of the sliding groove is close to one end of the second fixing column and is fixedly connected with a limiting block, the upper end of the second fixing column is fixedly connected with a clamping block, and the clamping block is clamped with the limiting block.

As a further aspect of the present invention: both sides of the supporting plate are hinged with handles.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be equipped with the fixed plate, set up a plurality of evenly distributed's constant head tank on the fixed plate, earphone PCB circuit board is located the constant head tank, and laminate with the support column up end on the backup pad to realize spacing to earphone PCB board horizontal direction through the constant head tank, constant head tank inner wall upper end fixedly connected with spacing ring, the material of spacing ring is silica gel, the inside dimension of spacing ring is greater than the outside dimension of earphone PCB board, thereby can effectually prevent through the spacing ring that in the process of circulation, the PCB board drops from the constant head tank;

2. because the earphone volume is less, inconvenient taking out in the constant head tank, consequently be equipped with elastomeric element, through elastomeric element elastic connection between fixed plate and the backup pad, when needing to take out, only need press the fixed plate, the fixed plate dwindles with the backup pad interval this moment, and the support column of backup pad top upwards slides in the constant head tank to ejecting earphone PCB board from constant head tank 11, reach and get a convenient effect.

Drawings

Fig. 1 is a schematic structural view of a positioning and circulating tool for a PCB of an earphone;

FIG. 2 is a schematic sectional view of a positioning groove in a positioning and circulating tool for a PCB of an earphone;

FIG. 3 is a schematic cross-sectional view of an elastic component in a positioning and circulating tool for a PCB of an earphone;

fig. 4 is a schematic top view of a support plate in a positioning and transferring tool for a PCB of an earphone;

fig. 5 is a schematic view of a snap-fit pipe in a positioning and circulating tool for a PCB of an earphone.

In the figure: 1. a fixing plate; 11. positioning a groove; 111. a fixed ring groove; 12. a limiting ring; 2. a support plate; 21. a support pillar; 211. chamfering; 3. an elastic member; 31. a first springboard; 32. a second springboard; 33. a first fixed column; 331. a sliding groove; 332. a spring; 333. a limiting block; 34. a second fixed column; 341. a clamping block; 4. clamping the pipe; 41. a through groove; 5. a handle.

Detailed Description

Referring to fig. 1 to 5, in an embodiment of the present invention, a positioning and circulating tool for a PCB of an earphone includes a fixed plate 1 and a supporting plate 2, the fixed plate 1 is elastically connected to the supporting plate 2 via an elastic member 3, a plurality of positioning slots 11 are formed in an upper end surface of the fixed plate 1, a plurality of supporting posts 21 are fixedly connected to an upper end surface of the supporting plate 2, the supporting posts 21 are slidably connected to an inside of the positioning slots 11, the number of the elastic members 3 is four, the elastic member 3 includes a first elastic plate 31 and a second elastic plate 32, the first elastic plate 31 is fixedly connected to four corners of an outer wall of the fixed plate 1, the second elastic plate 32 is fixedly connected to an outer wall of the supporting plate 2, the second elastic plates 32 are all located at a bottom of the first elastic plate 31, a first fixing column 33 is fixedly connected to a middle position of a bottom surface of the first elastic plate 31, a sliding groove 331 is formed in a bottom surface of the first fixing column, the inner wall of the sliding groove 331 is connected with a second fixing column 34 in a sliding mode, a spring 332 is arranged in the sliding groove 331, and the first fixing column 33 is elastically connected with the second fixing column 34 through the spring 332.

In fig. 1: comprises a fixed plate 1 and a supporting plate 2, the fixed plate 1 and the supporting plate 2 are elastically connected through an elastic component 3, the distance between the fixed plate 1 and the supporting plate 2 can be reduced through elastic connection, thereby facilitating the taking of a part, the upper end surface of the fixed plate 1 is provided with a plurality of positioning grooves 11 which are uniformly distributed, an earphone PCB is placed in the positioning grooves 11, the earphone PCB is horizontally limited through the positioning grooves 11, the upper end surface of the supporting plate 2 is fixedly connected with a plurality of supporting columns 21 which are matched with the positioning grooves 11, the supporting columns 21 are slidably connected inside the positioning grooves 11, the supporting columns 21 are positioned in the positioning grooves 11, the bottom surfaces of the positioning grooves 11 are sealed by the supporting columns 21, thereby forming a groove body with a single end open, at the moment, the earphone PCB is positioned in the groove body, the number of the elastic components 3 is four, the elastic components 3 comprise a first elastic plate 31 and, the fixed plate 1 and the support plate 2 can be sufficiently subjected to elasticity through four corners, the first elastic plate 31 and the second elastic plate 32 mainly play a role in driving the fixed plate 1 and the support plate 2 to move, the second elastic plate 32 is fixedly connected to the outer wall of the support plate 2, the second elastic plate 32 is positioned at the bottom of the first elastic plate 31, a first fixed column 33 is fixedly connected to the middle position of the bottom surface of the first elastic plate 31, a sliding groove 331 is formed in the bottom surface of the first fixed column 33, a second fixed column 34 is fixedly connected to the upper end surface of the second elastic plate 32, a second fixed column 34 is slidably connected to the inner wall of the sliding groove 331, the second fixed column 34 is limited through the sliding groove 331 so that the second fixed column 34 can only slide in the sliding groove 331, thereby increasing the sliding stability, a spring 332 is arranged in the sliding groove 331, the first fixed column 33 and the second fixed column 34 are elastically connected through the spring 332, and the spring 332 mainly, the elastic deformation of the spring 332 drives the first fixing column 33 and the second fixing column 34 to displace, so that the first elastic plate 31 and the second elastic plate 32 drive the fixing plate 1 and the supporting plate 2 to displace.

In fig. 2: fixing ring groove 111 has been seted up to 11 inner walls of constant head tank and kept away from support column 21 one end, fixedly connected with spacing ring 12 in the fixing ring groove 111, support column 21 is close to 12 one ends of spacing ring and has chamfer 211, can prevent through spacing ring 12 that earphone PCB circuit board from dropping from constant head tank 11, support column 21 one end has chamfer 211 and can prevent that support column 21 and constant head tank 11 from rubbing too big, make the wearing and tearing of 11 inner walls of constant head tank, the cross sectional shape of spacing ring 12 is circular, the material is silica gel, during the installation, press into in the constant head tank 11 with earphone PCB board, spacing ring 12 deformation through silica gel, make earphone PCB board fall into constant head tank 11 bottom, and with the contact of 21.

In fig. 3: the inner wall of the sliding groove 331 is close to one end of the second fixing column 34 and is fixedly connected with a limiting block 333, the upper end of the second fixing column 34 is fixedly connected with a clamping block 341, the clamping block 341 is clamped with the limiting block 333, the first fixing column 33 and the second fixing column 34 can be prevented from slipping through the limiting block 333 and the clamping block 341, and the stability of the elastic component 3 is improved.

In fig. 4: 2 both sides of backup pad all articulate there is handle 5, and when the circulation, operating personnel can carry through articulated handle 5 to articulated handle 5 can reduce the occupation space of whole frock.

In fig. 5: the outer wall of the second fixing column 34 is detachably connected with the clamping tube 4, one side of the clamping tube 4 is provided with the through groove 41, the through groove 41 penetrates through the inner wall and the outer wall of the clamping tube 4, the height of the clamping tube 4 is consistent with that of the second fixing column 34 exposed outside, the clamping tube 4 is made of rubber, during clamping, the through groove 41 of the clamping tube 4 is inserted into the part of the second fixing column 34 exposed outside, the clamping tube 4 is in contact with the bottom surface of the first fixing column 33 at the moment, the bottom surface of the clamping tube 4 is in contact with the upper end surface of the second elastic plate 32, and therefore relative displacement between the second fixing column 34 and the first fixing.

The utility model discloses a theory of operation is: when the earphone PCB is installed, the earphone PCB is pressed in the positioning groove 11 on the upper end surface of the fixed plate 1 and is elastically deformed through the limiting ring 12, so that the earphone PCB falls into the positioning groove 11 and is contacted with the upper end surface of the supporting column 21, after the pressing is finished, an operator carries and circulates the whole tool through the handle 5, when the tool is circulated to a specified place and is taken out, the clamping block 341 is taken out from the second fixed column 34, the fixed plate 1 is pressed at the moment, the second fixed column 34 slides in the sliding groove 331 of the first fixed column 33, so that the first elastic plate 31 and the second elastic plate 32 are driven to relatively displace, so that the fixed plate 1 and the supporting plate 2 are driven to relatively displace, the supporting column 21 ejects the earphone PCB out of the positioning groove 11, so that the operator can more conveniently take out the PCB, after the taking is finished, the fixed plate 1 is released, and is influenced by the elasticity of the spring 332, so that the first fixed column 33 and, the first fixing column 33 and the second fixing column 34 can be prevented from slipping off by the engagement of the engaging block 341 and the limiting block 333.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The positioning and circulating tool for the earphone PCB is characterized by comprising a fixed plate (1) and a supporting plate (2), wherein the fixed plate (1) is elastically connected with the supporting plate (2) through an elastic component (3), a plurality of positioning grooves (11) which are uniformly distributed are formed in the upper end surface of the fixed plate (1), a plurality of supporting columns (21) matched with the positioning grooves (11) are fixedly connected to the upper end surface of the supporting plate (2), and the supporting columns (21) are slidably connected inside the positioning grooves (11);

the number of the elastic parts (3) is four, the elastic parts (3) comprise a first elastic plate (31) and a second elastic plate (32), the first elastic plates (31) are respectively fixedly connected with four corners of the outer wall of the fixed plate (1), the second elastic plates (32) are fixedly connected with the outer wall of the supporting plate (2), the second elastic plates (32) are all positioned at the bottom of the first elastic plate (31), the middle position of the bottom surface of the first elastic plate (31) is fixedly connected with a first fixed column (33), a sliding groove (331) is formed in the bottom surface of the first fixing column (33), a second fixing column (34) is fixedly connected to the upper end surface of the second elastic plate (32), the inner wall of the sliding groove (331) is connected with the second fixing column (34) in a sliding way, the sliding groove (331) is internally provided with a spring (332), and the first fixing column (33) and the second fixing column (34) are elastically connected through the spring (332).

2. The positioning and circulating tool for the PCB of the earphone according to claim 1, wherein a clamping tube (4) is detachably connected to the outer wall of the second fixing column (34), a through groove (41) is formed in one side of the clamping tube (4), and the through groove (41) penetrates through the inner wall and the outer wall of the clamping tube (4).

3. The positioning and circulating tool for the PCB of the earphone as claimed in claim 2, wherein the height of the clamping tube (4) is consistent with the height of the second fixing column (34) exposed outside.

4. The tooling for positioning and circulating the PCB of the earphones according to claim 1, wherein a fixing ring groove (111) is formed in one end of the inner wall of the positioning groove (11) far away from the supporting column (21), and a limiting ring (12) is fixedly connected in the fixing ring groove (111).

5. The positioning and circulating tool for the PCB of the earphone as claimed in claim 4, wherein one end of the supporting column (21) close to the limiting ring (12) is provided with a chamfer (211).

6. The positioning and circulating tool for the PCB of the earphone according to claim 1, wherein a limiting block (333) is fixedly connected to one end, close to the second fixing column (34), of the inner wall of the sliding groove (331), a clamping block (341) is fixedly connected to the upper end of the second fixing column (34), and the clamping block (341) is clamped with the limiting block (333).

7. The positioning and circulating tool for the PCB of the earphone as claimed in claim 1, wherein handles (5) are hinged to both sides of the supporting plate (2).