CN212463828U

CN212463828U - Double-sided circuit board

Info

Publication number: CN212463828U
Application number: CN202021641535.4U
Authority: CN
Inventors: 王鑫斌; 杨剑
Original assignee: Yueqing Junde Electric Co ltd
Current assignee: Yueqing Junde Electric Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-02-02
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a double-sided circuit board, its technical scheme main points are: the clamping device comprises a circuit board body, wherein the circuit board body is movably arranged inside a clamping frame, the clamping frame comprises an upper frame, a lower frame, a left frame and a right frame, one ends of the left frame and the right frame are fixedly connected with the lower frame, the other ends of the left frame and the right frame are slidably connected with the upper frame through sliding rods, the sliding rods are respectively arranged inside the left frame and the right frame, a clamping device is arranged on the left frame, the middle of the upper frame and the lower frame is disconnected and provided with a fracture, sliding grooves are formed in the upper frame and the lower frame, supporting rods are arranged in the sliding grooves, sliding blocks are slidably connected to positions, corresponding to the two sides of the fracture, of the supporting rods, a pull-back spring is fixedly connected between the two sliding blocks, mounting holes are formed in the two ends of the upper frame and the lower frame, and clamping devices are fixedly arranged at positions, corresponding; the utility model discloses an interval of mounting hole can be adjusted.

Description

Double-sided circuit board

Technical Field

The utility model belongs to the technical field of the printed circuit board technique and specifically relates to a double-sided circuit board.

Background

With the development of high technology, people need electronic products with high performance, small size and multiple functions, so that the manufacture of printed circuit boards is promoted to be light, thin, short and small, and more functions are realized in a limited space. Printed circuit boards, also known as printed circuit boards, are providers of electrical connections for electronic components. The design of the device is mainly a layout design, and the adoption of the printed circuit board has the main advantages of greatly reducing errors of wiring and assembly and improving the automation level and the production labor rate. Single-sided circuit boards, on the most basic printed circuit board, the components are concentrated on one side and the conductors are concentrated on the other side, so we call this printed circuit board a single-sided circuit board because the conductors are present on only one side.

The double-sided circuit board is an extension of a single-sided circuit board, when single-layer wiring cannot meet the requirements of electronic products, the double-sided circuit board is required to be used, copper film leads are arranged on two sides of the double-sided circuit board and can conduct circuits between two layers through holes to form required network connection, but mounting holes in the existing double-sided circuit board are fixed on the circuit board and cannot adjust the distance between the two layers, so that the double-sided circuit board cannot be mounted on printed circuit boards with different lengths and widths.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a double-sided circuit board to solve the problem that the interval between each other of mounting hole on the current double-sided circuit board can't be adjusted.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a double-sided circuit board, includes the circuit board body, circuit board body activity sets up the inside at the clamping frame, the clamping frame includes upper ledge, lower frame, left side frame and right frame, a left side frame with the one end and the lower frame fixed connection of right side frame, a left side frame with the other end of right side frame pass through the slide bar with upper ledge sliding connection, the slide bar sets up respectively left side frame with the inside of right side frame, be provided with clamping device on the frame of a left side, the upper ledge with the centre of lower frame is all broken off and is provided with the fracture, the upper ledge with the spout has all been seted up to the inside of lower frame, be provided with the bracing piece in the spout, correspond to on the bracing piece sliding connection has the slider, two in the both sides position department sliding connection of fracture fixedly connected with pullback spring between the slider, the upper ledge with the mounting hole has all been seted up at the both ends of lower frame, the upper ledge with the inboard of lower frame in the position department of the both sides of .

Further, clamping device includes fastening bolt, first clamping piece, second clamping piece and tightens up the spring, fastening bolt pass through the screw hole with left side frame threaded connection, the inner wall of left side frame in fastening bolt's position department fixedly connected with tighten up the one end of spring, tighten up the first clamping piece of other end fixedly connected with of spring, second clamping piece fixed connection be in the inner wall of left side frame.

By adopting the technical scheme, the first clamping piece can move to the position of the sliding rod by screwing the fastening bolt, so that the first clamping piece is matched with the second clamping piece, and the sliding rod is clamped; when the fastening bolt is screwed out, the elastic force of the tightening spring enables the first clamping piece to move towards the direction far away from the sliding rod, so that the sliding rod can slide in the left frame.

Furthermore, the surfaces of the first clamping piece and the second clamping piece, which are in contact with the sliding rod, are arc-shaped surfaces, and the first clamping piece and the second clamping piece are arranged oppositely.

Through adopting above-mentioned technical scheme, the arcwall face makes first clamping piece and second clamping piece and slide bar laminating inseparabler, is favorable to the slide bar to fix firmly.

Furthermore, the clamping device is of an Jiong-shaped structure, a base plate is movably arranged in the middle of the clamping device, and a plurality of tensioning springs are fixedly connected between the base plate and the clamping device.

Through adopting above-mentioned technical scheme, many tensioning springs cooperation backing plate can the circuit board of centre gripping different thickness, increase the practicality of this device.

Furthermore, a rubber layer is fixedly arranged on the surface of the base plate, which is in contact with the circuit board body.

Through adopting above-mentioned technical scheme, the rubber layer has elasticity, can increase the buffering between backing plate and the circuit board body, protects the circuit board body.

Furthermore, the opening directions of the clamping devices are opposite.

By adopting the technical scheme, the opening directions of the clamping devices are arranged oppositely, so that the clamping device is favorable for stably clamping the circuit board body.

To sum up, the utility model discloses mainly have following beneficial effect:

the utility model discloses a through outside regulation fastening bolt, make the distance grow between first clamping piece and the second clamping piece, make the slide bar can slide in left frame, thereby adjust the distance between upper ledge and the lower frame, because the centre of upper ledge and lower frame is equipped with the fracture, for disconnected design, the inside of upper ledge and lower frame is equipped with the slider, bracing piece and pullback spring, so the length of upper ledge and lower frame can stretch out and draw back, consequently, can adjust the interval of seting up between the mounting hole on upper ledge and lower frame, make this device can install on the printed circuit board of different length and width.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;

FIG. 3 is an enlarged view at B of FIG. 1;

fig. 4 is a cross-sectional view at C-C in fig. 3.

In the figure: 1. a circuit board body; 2. installing a clamping frame; 201. putting the frame on; 202. a lower frame; 203. a left frame; 204. a right frame; 205. breaking off; 3. a slide bar; 4. a clamping device; 401. fastening a bolt; 402. a first clip piece; 403. a second clip; 404. tightening the spring; 5. a chute; 6. a support bar; 7. a slider; 8. a pullback spring; 9. mounting holes; 10. a clamping device; 11. a base plate; 12. the spring is tensioned.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-4, a double-sided circuit board comprises a circuit board body 1, wherein the circuit board body 1 is movably arranged inside a clamping frame 2, the clamping frame 2 can protect and fix the circuit board body 1, the clamping frame 2 comprises an upper frame 201, a lower frame 202, a left frame 203 and a right frame 204, one ends of the left frame 203 and the right frame 204 are fixedly connected with the lower frame 202, the other ends of the left frame 203 and the right frame 204 are slidably connected with the upper frame 201 through sliding rods 3, the sliding rods 3 are respectively arranged inside the left frame 203 and the right frame 204, and the upper frame 201 can change the distance between the upper frame 201 and the lower frame 202 through the movement of the sliding rods 3 in the left frame 203 and the right frame 204; a clamping device 4 is arranged on the left frame 203, and the clamping device 4 can clamp the sliding rod 3, so that the upper frame 201 can be fixed when being moved to a proper position; the middle of the upper frame 201 and the lower frame 202 is disconnected and provided with a fracture 205, sliding grooves 5 are formed in the upper frame 201 and the lower frame 202, supporting rods 6 are arranged in the sliding grooves 5, sliding blocks 7 are connected to the supporting rods 6 in a sliding mode corresponding to the positions of the two sides of the fracture 205, a pull-back spring 8 is fixedly connected between the two sliding blocks 7, the length of the upper frame 201 and the length of the lower frame 202 can be adjusted through the sliding grooves 5 and the sliding blocks 7, mounting holes 9 are formed in the two ends of the upper frame 201 and the two ends of the lower frame 202, and the distance between the mounting holes 9 can be adjusted along with the sliding rods 3; the inner sides of the upper frame 201 and the lower frame 202 are fixedly provided with clamping devices 10 at positions on two sides of the fracture 205, and the clamping devices 10 can clamp the side edges of the circuit board body 1.

Referring to fig. 1, 3 and 4, the clamping device 4 includes a fastening bolt 401, a first clamping piece 402, a second clamping piece 403 and a tightening spring 404, the fastening bolt 401 is in threaded connection with the left frame 203 through a threaded hole, one end of the tightening spring 404 is fixedly connected to the inner wall of the left frame 203 at the position of the fastening bolt 401, the other end of the tightening spring 404 is fixedly connected with the first clamping piece 402, and the second clamping piece 403 is fixedly connected to the inner wall of the left frame 203; screwing fastening bolt 401 can move first jaw 402 to the position of slide bar 3, so that first jaw 402 engages with second jaw 403, thereby clamping slide bar 3; when the fastening bolt 401 is unscrewed, the elastic force of the tightening spring 404 causes the first clip piece 402 to move away from the slide lever 3, so that the slide lever 3 can slide within the left frame 203.

Referring to fig. 4, the surfaces of the first clamping piece 402 and the second clamping piece 403 contacting the sliding rod 3 are arc-shaped surfaces, and the first clamping piece 402 and the second clamping piece 403 are arranged oppositely; the arc-shaped surface makes the first clip piece 402 and the second clip piece 403 more closely attached to the sliding rod 3, which is favorable for the sliding rod 3 to be fixed firmly.

Referring to fig. 2, the clamping device 10 is in a structure of Jiong, a backing plate 11 is movably disposed in the middle of the clamping device 10, and a plurality of tension springs 12 are fixedly connected between the backing plate 11 and the clamping device 10; many tensioning springs 12 cooperate the backing plate 11 can the centre gripping not circuit board body 1 of equidimension, increases the practicality of this device.

Referring to fig. 2, a rubber layer is fixedly arranged on the surface of the pad 11 contacting the circuit board body 1, and the rubber layer has elasticity, so that the buffer between the pad 11 and the circuit board body 1 can be increased, and the function of protecting the circuit board body 1 is achieved.

Referring to fig. 1, the opening directions of the clamping devices 10 are opposite to each other, which is beneficial for the clamping devices 10 to stably clamp the circuit board body 1.

The working principle is as follows: when the device is used for adjusting the distance between the upper frame 201 and the lower frame 202, the fastening bolt 401 is rotated, so that the fastening bolt 401 moves towards the direction far away from the sliding rod 3, the first clamping piece 402 contracts under the action of the elastic force of the tightening spring 404, the first clamping piece 402 is far away from the sliding rod 3, the sliding rod 3 can move in the left frame 203, and when the upper frame 201 reaches a proper position, the fastening bolt 401 is screwed again, so that the first clamping piece 402 and the second clamping piece 403 clamp the sliding rod 3; then pulling the left frame 203 and the right frame 204, because the upper frame 201 and the lower frame 202 are provided with the fracture 205, the inner parts of the upper frame 201 and the lower frame 202 are provided with the sliding groove 5, the supporting rod 6 and the sliding block 7, so that the length of the upper frame 201 and the lower frame 202 can be extended, then putting the circuit board body 1 into the clamping device 10, adjusting the length of the upper frame 201 and the lower frame 202 to be suitable for the length of the circuit board body 1 by utilizing the elastic force of the pullback spring 8, and arranging the installation holes 9 at the two ends of the upper frame 201 and the lower frame 202, thereby the distance between the installation holes 9 can be changed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a double-sided circuit board, includes circuit board body (1), its characterized in that: circuit board body (1) activity sets up the inside at dress clamp frame (2), dress clamp frame (2) include upper ledge (201), lower frame (202), left side frame (203) and right frame (204), left side frame (203) with the one end and the lower frame (202) fixed connection of right side frame (204), left side frame (203) with the other end of right side frame (204) pass through slide bar (3) with upper ledge (201) sliding connection, slide bar (3) set up respectively left side frame (203) with the inside of right side frame (204), be provided with clamping device (4) on left side frame (203), upper ledge (201) with the centre of lower frame (202) all breaks off and is provided with fracture (205), upper ledge (201) with spout (5) have all been seted up to the inside of lower frame (202), be provided with bracing piece (6) in spout (5), correspond on bracing piece (6) the both sides position department sliding connection that has the slider (205) 7) Fixedly connected with pullback spring (8) between slider (7), mounting hole (9) have all been seted up at the both ends of upper ledge (201) with lower frame (202), upper ledge (201) with the inboard of lower frame (202) in the position department of the both sides of fracture (205) is fixed and is provided with clamping device (10).

2. The double-sided wiring board of claim 1, wherein: clamping device (4) include fastening bolt (401), first clamping piece (402), second clamping piece (403) and tighten up spring (404), fastening bolt (401) through the screw hole with left side frame (203) threaded connection, the inner wall of left side frame (203) in the position department fixedly connected with of fastening bolt (401) tighten up the one end of spring (404), tighten up first clamping piece (402) of the other end fixedly connected with of spring (404), second clamping piece (403) fixed connection be in the inner wall of left side frame (203).

3. The double-sided wiring board of claim 2, wherein: the surfaces of the first clamping piece (402) and the second clamping piece (403) which are contacted with the sliding rod (3) are arc-shaped surfaces, and the first clamping piece (402) and the second clamping piece (403) are arranged oppositely.

4. The double-sided wiring board of claim 1, wherein: clamping device (10) are "Jiong" font structure, the intermediate position activity of clamping device (10) is provided with backing plate (11), backing plate (11) with many tension springs (12) of fixedly connected with between clamping device (10).

5. The double-sided wiring board of claim 4, wherein: the rubber layer is fixedly arranged on the surface of the base plate (11) which is in contact with the circuit board body (1).

6. The double-sided wiring board of claim 1, wherein: the opening directions of the clamping devices (10) are opposite.