CN214046121U

CN214046121U - Impedance circuit board

Info

Publication number: CN214046121U
Application number: CN202023034931.3U
Authority: CN
Inventors: 不公告发明人
Original assignee: Jinjiang Xiaoxin Electronic Technology Co ltd
Current assignee: Jinjiang Xiaoxin Electronic Technology Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-24
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses an impedance circuit board, which comprises a circuit board, the top laminating of circuit board has heat conduction silica gel, the outer wall joint of circuit board has the shell, the equal fixedly connected with lug in both sides of circuit board, the inner wall threaded connection of lug has the bolt, the inside left side of circuit board is rotated through the round pin axle and is connected with transmission, transmission includes iron plate, cam, rectangular plate and fixture block, the positive left side fixedly connected with iron plate of cam, the left end of cam links to each other with the top laminating of the thick pole of second, the top fixedly connected with rectangular plate of cam, the rectangular plate is close to one side fixedly connected with fixture block of heat conduction silica gel. The utility model relates to an impedance circuit board technical field, this impedance circuit board can install the shell, and the shell inner wall is equipped with little fixture block, conveniently adjusts, installs and dismantles, is equipped with the wiring hole on the shell, makes things convenient for the connection of circuit, and convenient to use has the self-holding function, lets the user reduce the labour.

Description

Impedance circuit board

Technical Field

The utility model relates to a circuit board technical field specifically is an impedance circuit board.

Background

The definition of the impedance board is that a good laminated structure can control the characteristic impedance of the printed circuit board, and the routing of the impedance board can form a controllable and predictable transmission line structure called the impedance board.

However, the circuit board in the prior art cannot be provided with a shell, dust is prevented from falling off, damage to the circuit board is avoided, a circuit cannot be connected to the circuit board through the shell, fixing of the heat dissipation conductor cannot be achieved, automatic fixing cannot be achieved, and the heat dissipation conductor is prevented from falling off in the using process and damage to the circuit board is prevented.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an impedance circuit board has solved prior art when fixed circuit board, can be automatic fix heat-radiating conductor on the circuit board, prevents to drop, causes the problem of damage.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: an impedance circuit board comprises a circuit board, wherein the top of the circuit board is connected with heat-conducting silica gel in an attaching mode, shells are clamped on two sides of the circuit board, lugs are fixedly connected on two sides of the circuit board, bolts are connected on the inner walls of the lugs in a threaded mode, and a transmission device is rotatably connected inside the left side of the circuit board through a pin shaft;

the transmission device comprises an iron block, a cam, a long plate and a clamping block;

the cam openly left side fixedly connected with iron plate, the left end of cam and the top laminating of the thick pole of second, the outer wall back fixedly connected with long slab of cam, the long slab is close to the equal fixedly connected with fixture block in one side of heat conduction silica gel, the bottom of fixture block and the laminating of top one side of heat conduction silica gel.

Preferably, the thickness of the housing is 1-2 mm.

Preferably, the circuit board has a left inner slide;

the sliding device comprises a first thick rod, a spring, an annular plate and a second thick rod;

the top fixedly connected with spring of first thick pole, the thick pole of top fixedly connected with second of spring, the annular plate has been cup jointed to the outer wall of spring, the left side of annular plate links to each other with the inner wall of circuit board is fixed, the outer wall of first thick pole slides with the inner wall of circuit board and links to each other, the outer wall of the thick pole of second slides with the inner wall of circuit board and links to each other.

Preferably, the cross section of the first thick rod is rectangular.

Preferably, auxiliary devices are arranged on two sides of the shell;

the auxiliary device comprises a through hole, a vertical pipe and a rubber plug;

the outer wall sliding connection of rubber buffer has the standpipe, the standpipe passes through the top of shell through the through-hole, the outer wall of standpipe links to each other with the inner wall of through-hole is fixed.

Preferably, the top of the rubber stopper is arc-shaped.

Advantageous effects

The utility model provides an impedance circuit board. The method has the following beneficial effects: the impedance circuit board can be provided with the shell, the inner wall of the shell is provided with the small clamping block, so that the impedance circuit board is convenient to adjust, install and disassemble, the shell is provided with the wiring hole, the connection of circuits is convenient, the impedance circuit board is convenient to use, and the impedance circuit board has the advantages of automatic clamping function, labor force reduction for a user and the like;

through the matching of the first thick rod, the spring, the annular plate and the second thick rod, when the circuit board is installed, the function of automatic sliding can be realized due to the weight of the circuit board, the operation steps are reduced, and convenience is provided for a user;

through the matching of the iron block, the cam, the long plate and the fixture block, the lug can realize the clamping effect on the heat dissipation silica gel, the heat dissipation silica gel is prevented from falling off, and the circuit board is prevented from being damaged;

through the cooperation of through-hole, standpipe and rubber buffer, let the through-hole can insert the wire, can clearly distinguish circuit structure, convenient observation.

Drawings

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

FIG. 2 is a schematic view showing a connection structure of the spring, the annular plate and the second thick rod in FIG. 1;

FIG. 3 is a schematic view showing a connection structure of the iron block, the cam and the long plate in FIG. 1;

fig. 4 is a schematic view of the connection structure of the through hole, the vertical tube and the rubber stopper in fig. 1.

In the figure: 1. the sliding device comprises a sliding device, 101, a first thick rod, 102, a spring, 103, an annular plate, 104, a second thick rod, 2, a transmission device, 201, an iron block, 202, a cam, 203, a long plate, 204, a clamping block, 3, an auxiliary device, 301, a through hole, 302, a vertical pipe, 303, a rubber plug, 4, a shell, 5, a bolt, 6, a lug, 7, a circuit board, 8 and heat-conducting silica gel.

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.

The following working principles, detailed connecting means thereof, and the following main descriptions of the working principles and processes are well known in the art, and will be referred to by those skilled in the art for the specific connection and operation sequence of the components in this application.

The utility model provides a technical scheme:

as shown in fig. 1 to 4, the impedance circuit board in the present application includes a circuit board 7, a heat conductive silica gel 8 is attached to the top of the circuit board 7, the cross section of the heat conductive silica gel 8 is rectangular, a housing 4 is fastened to the outer wall of the circuit board 7, both sides of the circuit board 7 are fixedly connected with bumps 6, the bottom of the circuit board 7 and the ground of the bumps 6 are in the same horizontal plane, the inner wall of the bumps 6 is in threaded connection with bolts 5, the circuit board 7 can be fixed on any plane through the cooperation of the bumps 6 and the bolts 5, the left side inside of the circuit board 7 is rotatably connected with a transmission device 2 through a pin shaft, the transmission device 2 includes an iron block 201, a cam 202, a long plate 203 and a clamping block 204, the left side of the front of the cam 202 is fixedly connected with the iron block 201, the iron block 201 can drive one end of the cam 202 to move downward through gravity, the left end of the cam 202 is attached to the top of the second thick rod 104, the top of the cam 202 is fixedly connected with a long plate 203, one side of the long plate 203, which is close to the heat-conducting silica gel 8, is fixedly connected with a fixture block 204, the bottom of the fixture block 204 is a horizontal plane, the bottom of the fixture block 204 is attached to two sides of the heat-conducting silica gel 8, and the thickness of the shell 4 is 1-2 mm;

in the specific implementation process, it is worth pointing out that the fixture block 204 can clamp the heat dissipation silicone 8 by the cooperation of the iron block 201, the cam 202, the long plate 203 and the fixture block 204, so as to prevent the heat dissipation silicone 8 from falling off and prevent the circuit board 7 from being damaged.

The sliding device 1 is arranged on the left side inside the circuit board 7, the sliding device 1 comprises a first thick rod 101, a spring 202, an annular plate 103 and a second thick rod 104, the top of the first thick rod 101 is fixedly connected with the spring 102, the top of the spring 102 is fixedly connected with the second thick rod 104, the top of the second thick rod 104 is a smooth round surface, the annular plate 103 is sleeved on the outer wall of the spring 102, the outer wall of the annular plate 103 is fixedly connected with the inner wall of the circuit board 7, the second thick rod 104 can be limited by the cooperation of the annular plate 103 and the circuit board 7 to prevent falling off, the outer wall of the first thick rod 101 is in clearance fit with the inner wall of the circuit board 7, the outer wall of the second thick rod 104 is in clearance fit with the inner wall of the circuit board 7, and the cross section of the first thick rod 101 is rectangular;

in the specific implementation process, it is worth particularly pointing out that through the cooperation of the first thick rod 101, the spring 102, the annular plate 103 and the second thick rod 104, when the circuit board 7 is installed, due to the weight of the circuit board 7, the function of automatic sliding can be realized, the operation steps are reduced, and convenience is provided for a user.

The auxiliary devices 3 are arranged on two sides of the shell 4, each auxiliary device 3 comprises a through hole 301, a vertical pipe 302 and a rubber plug 303, the vertical pipes 302 are in clearance fit with the outer walls of the rubber plugs 303, dust can be prevented from falling into the vertical pipes 303 through the cooperation of the rubber plugs 303 and the vertical pipes 303, when wires need to be connected, the rubber plugs 303 can be pulled out, the vertical pipes 302 penetrate through the top of the shell 4 through the through holes 301, the outer walls of the vertical pipes 302 are fixedly connected with the inner walls of the through holes 301, and the top of the rubber plugs 303 is arc-shaped;

in the specific implementation process, it is worth pointing out that the through hole 301 can be connected to a wire through the matching of the through hole 301, the vertical tube 302 and the rubber plug 303, so that the circuit structure can be clearly distinguished, and the observation is convenient.

Therefore, when the circuit board 7 needs to be fixed, the circuit board 7 only needs to be placed on a horizontal plane and fixed through the bolt 5, when the circuit board 7 is fixed, the first thick rod 101 moves towards a direction away from the fixing part, then the spring 102 is driven to move upwards, so that the second thick rod 104 moves, because the second thick rod 104 is attached to the cam 201, the cam 201 is fixedly connected with the long plate 203, the long plate 203 is fixedly connected with the fixture block 204, so that the second thick rod 104 can drive the fixture block 204 to move when moving, thereby achieving the clamping effect, when the circuit board 7 is taken down, the cam 202 is driven to move under the action of the gravity of the iron block 201, so that the second thick rod 103 moves, thereby driving the first thick rod 101 to move outwards, thereby achieving the automatic loosening function, the shell 4 is installed, and clamping can be achieved through the two sides of the outer wall of the shell 4 and the outer wall of the circuit board 7 by pressing downwards slightly, when needs access wire, extract the rubber buffer 303 and can let in the wire, when need not letting in the wire, press the rubber buffer 303 into in the standpipe 303 can.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An impedance circuit board comprising a circuit board (7), characterized in that: the heat-conducting silica gel (8) is attached to the top of the circuit board (7), the outer wall of the circuit board (7) is clamped with the shell (4), the two sides of the circuit board (7) are fixedly connected with the convex blocks (6), the inner wall of each convex block (6) is in threaded connection with the corresponding bolt (5), and the left side of the interior of the circuit board (7) is rotatably connected with the transmission device (2) through a pin shaft;

the transmission device (2) comprises an iron block (201), a cam (202), a long plate (203) and a clamping block (204);

cam (202) openly left side fixedly connected with iron plate (201), the left end of cam (202) links to each other with the top laminating of the thick pole of second (104), the top fixedly connected with long board (203) of cam (202), one side fixedly connected with fixture block (204) that long board (203) are close to heat conduction silica gel (8), the bottom of fixture block (204) is laminated with the both sides of heat conduction silica gel (8).

2. An impedance circuit board according to claim 1, wherein: the thickness of the shell (4) is 1-2 mm.

3. An impedance circuit board according to claim 1, wherein: an inner left-side slide (1) of the circuit board (7);

the sliding device (1) comprises a first thick rod (101), a spring (102), an annular plate (103) and a second thick rod (104);

the top fixedly connected with spring (102) of first thick pole (101), the top fixedly connected with second thick pole (104) of spring (102), annular plate (103) have been cup jointed to the outer wall of spring (102), the outer wall of annular plate (103) links to each other with the inner wall of circuit board (7) is fixed, the outer wall of first thick pole (101) and the inner wall clearance fit of circuit board (7), the outer wall of second thick pole (104) and the inner wall clearance fit of circuit board (7).

4. An impedance circuit board according to claim 3, wherein: the cross section of the first thick rod (101) is rectangular.

5. An impedance circuit board according to claim 1, wherein: auxiliary devices (3) are arranged on two sides of the shell (4);

the auxiliary device (3) comprises a through hole (301), a vertical pipe (302) and a rubber plug (303);

the outer wall clearance fit of rubber buffer (303) has standpipe (302), standpipe (302) run through the top of shell (4) through-hole (301), the outer wall of standpipe (302) links to each other with the inner wall of through-hole (301) is fixed.

6. An impedance circuit board according to claim 5, wherein: the top of the rubber plug (303) is arc-shaped.