阅读说明：本技术 一种膜底加铜加强导电的pcb碳膜板 (PCB carbon film board with copper added at film bottom for enhancing electric conduction ) 是由 詹有根 邱炳潮 詹诚杰 詹红有 潘青 柴水华 柯延春 于 2019-10-25 设计创作，主要内容包括：本发明公开了一种膜底加铜加强导电的PCB碳膜板,包括PCB碳膜板(1)、铜箔层(2)、固定框架(3)和弹性固定组件(4),所述PCB碳膜板(1)表面设有铜箔层(2),铜箔层(2)的表面设有碳按键膜；所述PCB碳膜板(1)外侧套接有固定框架(3),所述固定框架(3)内壁沿其周向安装有若干个弹性固定组件(4),所述弹性固定组件(4)用于将PCB碳膜板(1)弹性固定于固定框架之内；该膜底加铜加强导电的PCB碳膜板操作方便,PCB碳膜板表面设有铜箔层,铜箔层表面设置有碳膜,大大降低了PCB碳膜板的导通阻值,大大增加PCB碳膜板工作效率,同时彻底改变了碳膜断开不导通的风险。(The invention discloses a PCB carbon film plate with a film bottom added with copper for strengthening electric conduction, which comprises a PCB carbon film plate (1), a copper foil layer (2), a fixed frame (3) and an elastic fixed assembly (4), wherein the copper foil layer (2) is arranged on the surface of the PCB carbon film plate (1), and a carbon key film is arranged on the surface of the copper foil layer (2); the outer side of the PCB carbon film plate (1) is sleeved with a fixed frame (3), the inner wall of the fixed frame (3) is provided with a plurality of elastic fixing components (4) along the circumferential direction, and the elastic fixing components (4) are used for elastically fixing the PCB carbon film plate (1) in the fixed frame; this at bottom of the membrane add copper and strengthen electrically conductive PCB carbon film board convenient operation, PCB carbon film board surface is equipped with the copper foil layer, and copper foil layer surface is provided with the carbon film, greatly reduced the resistance that switches on of PCB carbon film board, greatly increased PCB carbon film board work efficiency has thoroughly changed the risk that the carbon film disconnection does not switch on simultaneously.)

1. The PCB carbon film plate with the copper-reinforced and conductive film bottom is characterized by comprising a PCB carbon film plate (1), a copper foil layer (2), a fixed frame (3) and an elastic fixed assembly (4), wherein the copper foil layer (2) is arranged on the surface of the PCB carbon film plate (1), and a carbon key film is arranged on the surface of the copper foil layer (2); the outer side of the PCB carbon film plate (1) is sleeved with a fixed frame (3), a plurality of elastic fixing assemblies (4) are installed on the inner wall of the fixed frame (3) along the circumferential direction of the fixed frame, and the elastic fixing assemblies (4) are used for elastically fixing the PCB carbon film plate (1) in the fixed frame.

2. The PCB carbon film plate with copper-reinforced and conductive film base according to claim 1, wherein the elastic fixing component (4) comprises a first fixing plate (7), a second fixing plate (8), a concave clamping plate (9), a first sleeve (10), a first fixing lug (11), a compression spring (12), a second sleeve (13), a baffle plate (15) and a second fixing lug (16), the first fixing plate (7) is welded on the inner wall of the fixing frame (3), one end of the first sleeve (10) is welded on the first fixing plate (7), the other end of the first sleeve (10) is sleeved in a central hole (14) of the second sleeve (13), the baffle plate (15) is sleeved inside the second sleeve (13), the baffle plate (15) is connected with the first sleeve (10), and the baffle plate (15) is limited in the central hole (14) of the second sleeve (13); the second sleeve (13) is welded on the second fixing plate (8), a concave clamping plate (9) is welded on one side of the second fixing plate (8), and the concave clamping plate (9) is sleeved on the outer side of the PCB carbon film plate (1); two ends of the other side of the second fixing plate (8) are welded with second fixing lugs (16); first fixing lugs (11) are respectively arranged on two sides of the first sleeve (10), and a compression spring (12) is connected between the first fixing lug (11) and the second fixing lug (16) which are positioned on the same side.

3. The PCB carbon film board with copper-on-film reinforced conductivity as claimed in claim 2, wherein a sponge pad (17) is bonded inside the concave splint (9), a rubber pad (18) is bonded outside the sponge pad (17), an insulating layer (30) is bonded outside the rubber pad (18), and the insulating layer (30) is used for contacting with the PCB carbon film board (1).

4. The PCB carbon film board with copper-reinforced and conductive film bottom as claimed in claim 2, wherein the first fixing lug (11) and the second fixing lug (16) are both provided with spring holes, and two ends of the compression spring (12) are respectively fixed to the spring holes of the first fixing lug (11) and the second fixing lug (16).

5. The PCB carbon film plate with the copper-reinforced and conductive film bottom according to claim 2, wherein the elastic fixing assembly (4) further comprises a connecting rod (5), a fixing box (6), a sliding rail (19), a sliding rod (20), a first spring sleeve (21), a reset spring (22), a second spring sleeve (23), a fixing pressing plate (25), a moving pressing plate (26), an anti-slip pad (27), a sliding way (28) and a sliding block (29), the connecting rod (5) is welded at the bottom of the fixing frame (3), the fixing box (6) is welded at the bottom of the connecting rod (5), the fixing pressing plate (25) is welded at one side of the top of the fixing box (6), a moving hole (24) is formed at one side of the fixing box (6), the moving pressing plate (26) is sleeved inside the moving hole (24), and the moving pressing plate (26) is located at the bottom of the fixing pressing; a plurality of first spring sleeves (21) are welded on one side of the bottom of the movable pressing plate (26), return springs (22) are sleeved on the bottoms of the first spring sleeves (21), second spring sleeves (23) are sleeved on the bottoms of the return springs (22), and the bottoms of the second spring sleeves (23) are connected with the bottom of the inner wall of the fixed box (6); one side of the inner wall of the fixed box (6) is welded with a sliding rail (19) extending along the extension direction of the return spring, a sliding block (29) is in sliding fit with the sliding rail (19), the sliding block (29) is welded with a sliding rod (20), and the sliding rod (20) is connected with a movable pressing plate (26).

6. The PCB carbon film plate with the copper-reinforced and the electric-conductive film base as claimed in claim 5, wherein the fixed pressing plate (25) and the movable pressing plate (26) are both bonded with anti-slip pads (27), and anti-slip grooves are formed at the bottoms of the anti-slip pads (27).

7. The PCB carbon film board with the copper-reinforced film bottom for electric conduction according to claim 5, wherein a slide way (28) is arranged at the center of the slide rail (19), and the slide block (29) is limited in the slide way (28) and can only move along the extension direction of the slide way (28).

8. The PCB carbon film board with copper-reinforced film bottom for electric conduction according to claim 5, wherein the centers of the first spring sleeve (21) and the second spring sleeve (23) are provided with spring grooves, and the spring grooves are sleeved outside the return spring (22).

9. The PCB carbon film board with copper-reinforced film base and electric conduction as claimed in claim 1, wherein a protective sleeve is sleeved outside the fixed frame (3).

Technical Field

The invention relates to the technical field of PCB (printed circuit board), in particular to a PCB carbon film board with a film bottom added with copper for enhancing electric conduction.

Background

The PCB board, also called as the printed circuit board, is the provider of electrical connection of electronic components, and the design of the PCB board is mainly the layout design; the circuit board has the main advantages that wiring and assembly errors are greatly reduced, and the automation level and the production labor rate are improved; the traditional PCB is not provided with a protection device, so that the PCB is easily damaged by impact due to external impact, the service life of the PCB is shortened, and meanwhile, the traditional PCB is fixed by screws or welding and cannot be freely installed and disassembled, so that a user cannot maintain and replace the PCB; in view of these defects, it is necessary to design a PCB carbon film board with enhanced electrical conductivity of copper on the film bottom.

Disclosure of Invention

The invention aims to provide a PCB carbon film plate with a film bottom added with copper to enhance electric conduction, so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme:

a PCB carbon film plate with a film bottom added with copper for strengthening electric conduction comprises a PCB carbon film plate (1), a copper foil layer (2), a fixed frame (3) and an elastic fixed assembly (4), wherein the copper foil layer (2) is arranged on the surface of the PCB carbon film plate (1), and a carbon key film is arranged on the surface of the copper foil layer (2); the outer side of the PCB carbon film plate (1) is sleeved with a fixed frame (3), a plurality of elastic fixing assemblies (4) are installed on the inner wall of the fixed frame (3) along the circumferential direction of the fixed frame, and the elastic fixing assemblies (4) are used for elastically fixing the PCB carbon film plate (1) in the fixed frame.

Preferably, the elastic fixing assembly (4) comprises a first fixing plate (7), a second fixing plate (8), a concave clamping plate (9), a first sleeve (10), a first fixing lug (11), a compression spring (12), a second sleeve (13), a baffle plate (15) and a second fixing lug (16), the first fixing plate (7) is welded on the inner wall of the fixing frame (3), one end of the first sleeve (10) is welded on the first fixing plate (7), the other end of the first sleeve (10) is sleeved in a central hole (14) of the second sleeve (13), the baffle plate (15) is sleeved inside the second sleeve (13), the baffle plate (15) is connected with the first sleeve (10), and the baffle plate (15) is limited in the central hole (14) of the second sleeve (13); the second sleeve (13) is welded on the second fixing plate (8), a concave clamping plate (9) is welded on one side of the second fixing plate (8), and the concave clamping plate (9) is sleeved on the outer side of the PCB carbon film plate (1); two ends of the other side of the second fixing plate (8) are welded with second fixing lugs (16); first fixing lugs (11) are respectively arranged on two sides of the first sleeve (10), and a compression spring (12) is connected between the first fixing lug (11) and the second fixing lug (16) which are positioned on the same side.

Preferably, a sponge pad (17) is bonded inside the concave clamping plate (9), a rubber pad (18) is bonded outside the sponge pad (17), an insulating layer (30) is bonded outside the rubber pad (18), and the insulating layer (30) is used for being in contact with the PCB carbon film plate (1).

Preferably, the first fixing lug (11) and the second fixing lug (16) are both provided with spring holes, and two ends of the compression spring (12) are respectively fixed in the spring holes of the first fixing lug (11) and the second fixing lug (16).

As a preferable scheme, the elastic fixing component (4) further comprises a connecting rod (5), a fixing box (6), a sliding rail (19), a sliding rod (20), a first spring sleeve (21), a reset spring (22), a second spring sleeve (23), a fixing pressing plate (25), a moving pressing plate (26), an anti-slip pad (27), a sliding way (28) and a sliding block (29), the connecting rod (5) is welded at the bottom of the fixing frame (3), the fixing box (6) is welded at the bottom of the connecting rod (5), the fixing pressing plate (25) is welded at one side of the top of the fixing box (6), a moving hole (24) is formed in one side of the fixing box (6), the moving pressing plate (26) is sleeved inside the moving hole (24), and the moving pressing plate (26) is located at the; a plurality of first spring sleeves (21) are welded on one side of the bottom of the movable pressing plate (26), return springs (22) are sleeved on the bottoms of the first spring sleeves (21), second spring sleeves (23) are sleeved on the bottoms of the return springs (22), and the bottoms of the second spring sleeves (23) are connected with the bottom of the inner wall of the fixed box (6); one side of the inner wall of the fixed box (6) is welded with a sliding rail (19) extending along the extension direction of the return spring, a sliding block (29) is in sliding fit with the sliding rail (19), the sliding block (29) is welded with a sliding rod (20), and the sliding rod (20) is connected with a movable pressing plate (26).

Preferably, the fixed pressing plate (25) and the movable pressing plate (26) are both bonded with anti-skid pads (27), and anti-skid grooves are formed in the bottoms of the anti-skid pads (27).

Preferably, a slide way (28) is arranged at the center of the slide rail (19), and the slide block (29) is limited in the slide way (28) and can only move along the extension direction of the slide way (28).

Preferably, the centers of the first spring sleeve (21) and the second spring sleeve (23) are provided with spring grooves, and the spring grooves are sleeved outside the return spring (22).

Preferably, a protective sleeve is sleeved on the outer side of the fixed frame (3).

Compared with the prior art, the invention has the following beneficial effects:

1. the PCB carbon film plate with the copper-added film bottom for enhancing the conductivity is simple in structure and convenient to operate, the concave clamping plate is enabled to clamp the PCB carbon film plate by utilizing the elasticity provided by the compression spring, the fixing is firmer, the PCB carbon film plate is protected by the fixing frame, the PCB carbon film plate is prevented from being damaged by external impact, when the external impact is caused, the PCB carbon film plate is impacted, shaken and extruded by the concave clamping plate, the concave clamping plate extrudes the compression spring, the compression spring provides elasticity to buffer impact force, the PCB carbon film plate is prevented from being damaged by the impact, the service life of the PCB carbon film plate is;

2. the PCB carbon film plate with the copper-added reinforced electric conduction at the film bottom is convenient to operate, the reset spring is utilized to provide elasticity, the fixed pressing plate and the movable pressing plate are tightly clamped outside the installation position to fix the PCB carbon film plate, the traditional screw and welding fixing mode is abandoned, clamping and fixing are adopted, the fixation is firmer, and meanwhile, the installation and disassembly are convenient, so that the PCB carbon film plate can be maintained and replaced by a user, the installation and use of the PCB carbon film plate are convenient, and the user operation is facilitated;

3. this at bottom of the membrane add copper and strengthen electrically conductive PCB carbon film board convenient operation, PCB carbon film board surface is equipped with the copper foil layer, and copper foil layer surface is provided with the carbon film, greatly reduced the resistance that switches on of PCB carbon film board, greatly increased PCB carbon film board work efficiency has thoroughly changed the risk that the carbon film disconnection does not switch on simultaneously.

Drawings

The accompanying drawings, which 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 principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a top view of the overall structure of the present invention;

FIG. 3 is a side view of the overall structure of the present invention;

FIG. 4 is a schematic view of the elastic fixing member of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is a schematic view of the female cleat of the present invention;

FIG. 7 is a cross-sectional view of the stationary box structure of the present invention;

FIG. 8 is a front view of the stationary box structure of the present invention;

FIG. 9 is a cross-sectional view of the slide rail construction of the present invention;

in the figure: 1. a PCB carbon film board; 2. a copper foil layer; 3. a fixed frame; 4. a fixing assembly; 5. a connecting rod; 6. a fixed box; 7. a first fixing plate; 8. a second fixing plate; 9. a concave splint; 10. a first sleeve; 11. a first fixing lug; 12. a compression spring; 13. a second sleeve; 14. a central bore; 15. a baffle plate; 16. a second fixing lug; 17. a sponge cushion; 18. a rubber pad; 19. a slide rail; 20. a slide bar; 21. a first spring housing; 22. a return spring; 23. a second spring housing; 24. moving the hole; 25. fixing the pressing plate; 26. moving the pressing plate; 27. a non-slip mat; 28. a slideway; 29. a slider; 30. an insulating layer.

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, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a copper is strengthened electrically conductive PCB carbon diaphragm plate at bottom of membrane, includes PCB carbon diaphragm plate 1, copper foil layer 2, fixed frame 3 and the fixed subassembly 4 of elasticity, and 1 surfaces of PCB carbon diaphragm plate are equipped with copper foil layer 2, and the surface of copper foil layer 2 is equipped with the carbon button membrane, increases the copper foil layer promptly under the carbon film position, can reduce the resistance and strengthen the conductivity.

The outer side of the PCB carbon film plate 1 is sleeved with a fixed frame 3, the outer side of the fixed frame 3 is sleeved with a protective sleeve, the thickness of the protective sleeve is 3mm, the fixed frame 3 is protected favorably, a plurality of elastic fixing components 4 are arranged on the inner wall of the fixed frame 3 along the circumferential direction of the fixed frame, each elastic fixing component 4 comprises a connecting rod 5, a fixed box 6, a first fixed plate 7, a second fixed plate 8, a concave splint 9, a first sleeve 10, a first fixed lug 11, a compression spring 12, a second sleeve 13, a central hole 14, a baffle plate 15, a second fixed lug 16, a spongy cushion 17, a rubber pad 18, a sliding rail 19, a sliding rod 20, a first spring sleeve 21, a reset spring 22, a second spring sleeve 23, a moving hole 24, a fixed pressing plate 25, a moving pressing plate 26, an anti-skid pad 27, a sliding rail 28, a sliding block 29 and an insulating layer 30, the inner wall of the fixed frame 3 is welded with a plurality, a second sleeve 13 is sleeved on one side of the first sleeve 10, a central hole 14 is formed in the top of the second sleeve 13, the central hole 14 is sleeved on the outer side of the first sleeve 10 to facilitate fixing of the first sleeve 10, a baffle plate 15 is sleeved inside the second sleeve 13, one end of the baffle plate 15 is connected with the first sleeve 10, a second fixing plate 8 is welded at one end of the second sleeve 13, a concave clamping plate 9 is welded at one end of the second fixing plate 8, the concave clamping plate 9 is sleeved on the outer side of the PCB carbon membrane plate 1, a sponge pad 17 is bonded inside the concave clamping plate 9, a rubber pad 18 is bonded on the inner wall of the sponge pad 17, an insulating layer 30 is bonded on the inner wall of the rubber pad 18, the insulating layer 30 is located on the outer side of the PCB carbon membrane plate 1 to facilitate fixing of the PCB carbon membrane plate 1, second fixing lugs 16 are welded at two ends of the other side of the second fixing plate 8, a, one end of a first fixing lug 11 is connected with two sides of a first sleeve 10, spring holes are respectively formed in the first fixing lug 11 and a second fixing lug 16 and are sleeved at two ends of a compression spring 12 to facilitate the fixation of the compression spring 12, a connecting rod 5 is welded at the bottom of a fixed frame 3, a fixed box 6 is welded at the bottom of the connecting rod 5, a fixed pressing plate 25 is welded at one side of the top of the fixed box 6, a moving hole 24 is formed at one side of the fixed box 6, a moving pressing plate 26 is sleeved inside the moving hole 24 and is positioned at the bottom of the fixed pressing plate 25, anti-skid pads 27 are respectively adhered to the fixed pressing plate 25 and the moving pressing plate 26, anti-skid grooves are formed at the bottoms of the anti-skid pads 27 to facilitate the fixation of the fixed pressing plate 25 and the moving pressing plate 26, a plurality of first spring sleeves 21 are welded at one side of the bottom of the moving pressing plate 26, a return spring, the bottom of the second spring sleeve 23 is connected with the bottom of the inner wall of the fixed box 6, spring grooves are formed in the centers of the first spring sleeve 21 and the second spring sleeve 23 and are sleeved outside the reset spring 22, the reset spring 22 is favorably fixed, a sliding rail 19 is welded on one side of the inner wall of the fixed box 6, a sliding block 29 is sleeved at one end of the sliding rail 19, a sliding way 28 is formed in the center of the sliding rail 19, the sliding way 28 is sleeved outside the sliding block 29 and is favorable for the sliding block 29 to slide, a sliding rod 20 is welded at one end of the sliding block 29, and one end of the sliding rod 20 is connected with; when the PCB carbon film plate with copper added at the film bottom for enhancing conductivity is used, the concave clamping plate 9 is manually pressed to the outer side, the concave clamping plate 9 is extruded to reduce the distance between the first sleeve 10 and the second sleeve 13, at the moment, the compression spring 12 has elasticity after being extruded and contracted, the PCB carbon film plate 1 is clamped in the concave clamping plate 9, the concave clamping plate 9 is loosened, the compression spring 12 stretches back to extrude the concave clamping plate 9, the concave clamping plate 9 clamps the PCB carbon film plate 1 to finish fixation, the PCB carbon film plate 1 is manually installed at a proper position, the movable pressing plate 26 is downwards extruded, the movable pressing plate 26 can freely slide in the sliding rail 19 through the sliding block 29, the movable pressing plate 26 extrudes the reset spring 22 at the same time, the reset spring 22 has elasticity after being contracted, the fixed pressing plate 25 and the movable pressing plate 26 are clamped at the outer side of the installation position, the movable pressing plate 26 is loosened, the reset spring 22 stretches back to extrude the movable, and after the fixation is finished, the product can be used.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. 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.