CN210609890U

CN210609890U - A dust cover for producing PCBA circuit board is used

Info

Publication number: CN210609890U
Application number: CN201920981955.8U
Authority: CN
Inventors: 黄昶; 冯军; 王世东; 林列
Original assignee: Chengdu Guosheng Juntong Technology Co Ltd
Current assignee: Chengdu Guosheng Juntong Technology Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-05-22
Anticipated expiration: 2029-06-27

Abstract

The utility model discloses a dust cover for producing PCBA circuit board usefulness, including base, buffering soft board, buffer spring, the dust cover body and elevation structure, the top of base is provided with the dust cover body, and the both sides of dust cover body bottom all are fixed with equidistant buffer spring, the buffering soft board is installed on buffer spring's top, the inside wall of the dust cover body coats and is stamped PU sponge puigging, and the surface coating of PU sponge puigging has the nylon static skin, the top of the dust cover body is provided with the stripper plate, and the top of stripper plate can be dismantled and be connected with collection dirt sponge to the stripper plate top of collection dirt sponge both sides all is fixed with dismantlement frame, the surface threaded connection who dismantles the frame has fastening bolt. The utility model discloses not only realize the altitude mixture control function when the dust cover is installed, loss when having reduced circuit board production has improved the convenience when dust cover clearance moreover.

Description

A dust cover for producing PCBA circuit board is used

Technical Field

The utility model relates to a dust cover technical field specifically is a dust cover for producing PCBA circuit board usefulness.

Background

With the rapid development of technology, circuit boards come in many kinds, such as: at present, the circuit of the circuit board is miniaturized and visualized, which plays an important role in the batch production of fixed circuits, and a dust cover is generally required to be used for protecting the circuit board in the production process of the circuit board, taking the dust cover for producing the PCBA circuit board as an example.

The dust cover on the market is various nowadays, can satisfy the user demand of operation personnel basically, but still has certain problem, and specific problem has following several:

(1) the height adjustment of the existing dust cover during installation is difficult to realize when the dust cover is used, so that the convenience degree of the dust cover during use is seriously influenced;

(2) when the existing dust cover is used, the noise reduction and anti-static protection of the circuit board are generally not ideal enough, so that the protection effect of the dust cover is greatly influenced;

(3) when the existing dust cover is used, dust accumulated on the surface of the dust cover is difficult to clean, so that the service life of the dust cover is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust cover for producing PCBA circuit board usefulness to it is not convenient enough when using to propose the dust cover in the above-mentioned background art to solve, comparatively loaded down with trivial details problem during not enough ideal and the accumulational dust clearance of protective effect of dust cover.

In order to achieve the above object, the utility model provides a following technical scheme: a dust cover for producing a PCBA circuit board comprises a base, a buffering soft board, a buffering spring, a dust cover body and a lifting structure, wherein the dust cover body is arranged above the base, the two sides of the bottom end of the dust cover body are fixed with the buffering springs at equal intervals, the buffering soft board is installed at the top end of the buffering spring, the bottom end of the buffering soft board is tightly attached to the surface of the base, the lifting structure is arranged on the surface of the base on the two sides of the dust cover body, a PU sponge sound insulating layer covers the inner side wall of the dust cover body, a nylon electrostatic outer layer is wrapped on the surface of the PU sponge sound insulating layer, a nylon electrostatic inner layer is pasted on the inner side wall of the nylon electrostatic outer layer, a dismounting board is arranged at the top end of the dust cover body, a dust collecting sponge is detachably connected to the top end of the dismounting board, and dismounting frames are, the surface threaded connection who dismantles the frame has fastening bolt, and fastening bolt's one end run through the dismantlement frame and with the lateral wall threaded connection who dismantles the board, the dust cover body top of dismantling frame one side is provided with the exhaust column.

Preferably, the installed part is all installed to the both sides of base bottom, the surperficial inlay of dust cover body has observation window.

Preferably, the PU sponge sound-proof layer is filled with sponge particles.

Preferably, the nylon plastics are filled in the nylon electrostatic outer layer and the nylon electrostatic inner layer, and the nylon plastics can be a mixture of polyamide nylon materials and rubber.

Preferably, elevation structure's inside has set gradually plastic gear, adjusting screw, plastic spur rack, annular thread groove, rotatory handle and backup pad, all be fixed with the plastic spur rack on the outer wall of dust cover body both sides, and the base surface of plastic spur rack one side is provided with the backup pad, the surface of backup pad articulates there is the plastic gear, and plastic gear and plastic spur rack intermeshing, the rotatory handle is installed to the central point department of putting on plastic gear surface.

Preferably, an annular thread groove is formed in the surface of the supporting plate on the inner side of the plastic gear, an adjusting screw is arranged on the surface of the plastic gear above the rotating handle, and one end of the adjusting screw penetrates through the plastic gear and is in threaded connection with the inner side wall of the annular thread groove.

Compared with the prior art, the beneficial effects of the utility model are that: the dust cover for producing the PCBA circuit board not only realizes the height adjusting function during the installation of the dust cover, reduces the loss during the production of the circuit board, but also improves the convenience during the cleaning of the dust cover;

(1) the dust cover is provided with the plastic gear, the adjusting screw, the plastic spur rack, the annular thread groove, the rotating handle and the supporting plate, the adjusting screw is rotated to be loosened with the annular thread groove, and then the rotating handle is rotated to enable the plastic gear to drive the dust cover body to complete lifting work under the mutual meshing of the plastic spur rack, so that the height adjusting function of the dust cover during installation is realized, and the use range of the dust cover is expanded;

(2) by arranging the PU sponge sound insulating layer, the nylon static outer layer, the nylon static inner layer, the sponge particles and the nylon plastic, the sponge particles in the PU sponge sound insulating layer are utilized to reduce noise of the PCBA circuit board, and meanwhile, the nylon plastic in the nylon static inner layer and the nylon static outer layer are utilized to prevent static electricity of the PCBA circuit board, so that the noise reduction and static electricity prevention functions of the dust cover are realized, and the loss of the circuit board during production is reduced;

(3) through being provided with and dismantling frame, collection dirt sponge, dismantlement board and fastening bolt, the fastening bolt on frame surface is dismantled in the rotation, makes fastening bolt and collection dirt sponge lax mutually, dismantles the collection dirt sponge from the surface of dismantling the board, and the collection dirt function when having realized the dust cover and using to convenience when having improved the dust cover clearance.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the appearance structure of the present invention;

fig. 3 is a schematic view of the enlarged cross-sectional structure at a in fig. 1 according to the present invention;

fig. 4 is the schematic diagram of the half-section enlarged structure of the lifting structure of the present invention.

In the figure: 1. a base; 2. a soft buffer plate; 3. a buffer spring; 4. a dust-proof cover body; 5. a PU sponge sound insulation layer; 6. disassembling the frame; 7. a dust collecting sponge; 8. disassembling the plate; 9. fastening a bolt; 10. an exhaust column; 11. A nylon electrostatic outer layer; 12. a nylon electrostatic inner layer; 13. a lifting structure; 1301. a plastic gear; 1302. An adjusting screw; 1303. plastic straight rack; 1304. an annular thread groove; 1305. a rotation handle; 1306. A support plate; 14. a mounting member; 15. an observation window; 16. sponge particles; 17. nylon and plastic.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a dust cover for producing a PCBA circuit board comprises a base 1, a soft buffer board 2, buffer springs 3, a dust cover body 4 and lifting structures 13, wherein the dust cover body 4 is arranged above the base 1, the buffer springs 3 with equal intervals are fixed on two sides of the bottom end of the dust cover body 4, the soft buffer board 2 is installed at the top end of the buffer springs 3, the bottom end of the soft buffer board 2 is tightly attached to the surface of the base 1, installation pieces 14 are installed on two sides of the bottom of the base 1, an observation window 15 is embedded in the surface of the dust cover body 4 to facilitate observation of the production process, and the lifting structures 13 are arranged on the surfaces of the base 1 on two sides of the dust cover body 4;

a plastic gear 1301, an adjusting screw 1302, a plastic straight rack 1303, an annular thread groove 1304, a rotary handle 1305 and a support plate 1306 are sequentially arranged in the lifting structure 13, the plastic straight rack 1303 is fixed on the outer walls of two sides of the dustproof cover 4, the support plate 1306 is arranged on the surface of the base 1 on one side of the plastic straight rack 1303, the plastic gear 1301 is hinged to the surface of the support plate 1306, the plastic gear 1301 is meshed with the plastic straight rack 1303, the rotary handle 1305 is installed at the central position of the surface of the plastic gear 1301, the annular thread groove 1304 is formed in the surface of the support plate 1306 on the inner side of the plastic gear 1301, the adjusting screw 1302 is arranged on the surface of the plastic gear 1301 above the rotary handle 1305, and one end of the adjusting screw 1302 penetrates through the plastic gear 1301 and is in threaded connection with;

when the dustproof cover is used, the adjusting screw 1302 is rotated to be loosened with the annular thread groove 1304, and then the rotating handle 1305 is rotated to enable the plastic gear 1301 to rotate on the surface of the supporting plate 1306, so that the plastic straight rack 1303 drives the dustproof cover body 4 to complete lifting work under the mutual meshing of the plastic gear 1301;

the inner side wall of the dustproof cover body 4 is covered with a PU sponge sound-insulating layer 5, the PU sponge sound-insulating layer 5 is filled with sponge particles 16 to realize the noise reduction function, the surface of the PU sponge sound-insulating layer 5 is wrapped with a nylon electrostatic outer layer 11, the inner side wall of the nylon electrostatic outer layer 11 is pasted with a nylon electrostatic inner layer 12, the nylon electrostatic outer layer 11 and the nylon electrostatic inner layer 12 are both filled with nylon plastic 17, the nylon plastic 17 can be a mixture of polyamide series nylon materials and rubber to reduce the loss of a production line circuit board, the top end of the dustproof cover body 4 is provided with a dismounting plate 8, the top end of the dismounting plate 8 is detachably connected with a dust collection sponge 7, dismounting frames 6 are fixed on the top ends of the dismounting plates 8 at the two sides of the dust collection sponge 7, the surface thread of the dismounting frame 6 is connected with a fastening bolt 9, one end of the fastening bolt 9 penetrates through the dismounting frame 6 and is in threaded connection, an exhaust column 10 is arranged at the top end of the dustproof cover body 4 at one side of the disassembly frame 6.

The working principle is as follows: when the dustproof cover is used, firstly, the adjusting screw 1302 is rotated to be loosened with the annular threaded groove 1304, then, the rotating handle 1305 is rotated to enable the plastic gear 1301 to rotate on the surface of the supporting plate 1306, so that the plastic spur rack 1303 is meshed with the plastic gear 1301 to drive the dustproof cover body 4 to complete lifting work, meanwhile, when the dustproof cover body 4 is lowered to the surface of the base 1, the buffering soft board 2 is pushed to buffer under the elastic action of the buffering spring 3 at the bottom of the dustproof cover body 4, the dustproof cover body 4 is prevented from vibrating or colliding in use, secondly, the sponge particles 16 filled in the PU sponge sound-insulating layer 5 can reduce noise of a PCBA circuit board, meanwhile, the nylon plastics 17 filled in the nylon electrostatic inner layer 12 and the nylon electrostatic outer layer 11 can prevent static electricity of the PCBA circuit board, when the dustproof cover body 4 is used, the fastening bolts 9 on the surface of the frame 6 are disassembled through rotation, the fastening bolts 9 and the dust collection sponge 7 are loosened, then the dust collection sponge 7 is disassembled from the surface of the disassembling plate 8 so as to facilitate the cleaning work of the dust collection sponge 7, and finally the dust-proof cover body 4 eliminates the overhigh temperature inside through the exhaust column 10, thereby completing the use work of the dust-proof cover.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a dust cover for producing PCBA circuit board usefulness, includes base (1), buffering soft board (2), buffer spring (3), dust cover body (4) and elevation structure (13), its characterized in that: a dustproof cover body (4) is arranged above the base (1), the two sides of the bottom end of the dustproof cover body (4) are fixed with buffer springs (3) at equal intervals, a buffer soft board (2) is installed at the top end of each buffer spring (3), the bottom end of each buffer soft board (2) is tightly attached to the surface of the base (1), lifting structures (13) are arranged on the surfaces of the bases (1) at the two sides of the dustproof cover body (4), a PU sponge sound-insulating layer (5) covers the inner side wall of the dustproof cover body (4), a nylon electrostatic outer layer (11) wraps the surface of the PU sponge sound-insulating layer (5), a nylon electrostatic inner layer (12) is pasted on the inner side wall of the nylon electrostatic outer layer (11), a dismounting board (8) is arranged at the top end of the dustproof cover body (4), and a dust collection sponge (7) is detachably connected to the top end of the dismounting board (8), and the top of the disassembly plate (8) at the two sides of the dust collection sponge (7) is fixed with the disassembly frame (6), the surface of the disassembly frame (6) is connected with a fastening bolt (9) in a threaded manner, one end of the fastening bolt (9) penetrates through the disassembly frame (6) and is connected with the outer side wall of the disassembly plate (8) in a threaded manner, and the top of the dustproof cover body (4) at one side of the disassembly frame (6) is provided with an exhaust column (10).

2. A dust cover for use in the production of a PCBA wiring board as claimed in claim 1, wherein: the both sides of base (1) bottom all install installed part (14), the surface mosaic of the dust-proof cover body (4) has observation window (15).

3. A dust cover for use in the production of a PCBA wiring board as claimed in claim 1, wherein: the PU sponge sound insulation layer (5) is filled with sponge particles (16).

4. A dust cover for use in the production of a PCBA wiring board as claimed in claim 1, wherein: the nylon electrostatic outer layer (11) and the nylon electrostatic inner layer (12) are filled with nylon plastics (17), and the nylon plastics (17) can be made of a mixture of polyamide nylon materials and rubber.

5. A dust cover for use in the production of a PCBA wiring board as claimed in claim 1, wherein: the inside of elevation structure (13) has set gradually plastic gear (1301), adjusting screw (1302), plastic straight rack (1303), annular thread groove (1304), rotatory handle (1305) and backup pad (1306), all be fixed with plastic straight rack (1303) on the outer wall of dustproofing cover body (4) both sides, and base (1) surface of plastic straight rack (1303) one side is provided with backup pad (1306), the surface of backup pad (1306) articulates there is plastic gear (1301), and plastic gear (1301) and plastic straight rack (1303) intermeshing, rotatory handle (1305) are installed to the central point department of putting on plastic gear (1301) surface.

6. A dust cover for use in the production of PCBA circuit boards as claimed in claim 5, wherein: an annular thread groove (1304) is formed in the surface of a supporting plate (1306) on the inner side of the plastic gear (1301), an adjusting screw (1302) is arranged on the surface of the plastic gear (1301) above the rotating handle (1305), and one end of the adjusting screw (1302) penetrates through the plastic gear (1301) and is in threaded connection with the inner side wall of the annular thread groove (1304).