CN212471257U

CN212471257U - PCB clamp

Info

Publication number: CN212471257U
Application number: CN202021026255.2U
Authority: CN
Inventors: 杜兵
Original assignee: Suzhou Denabao Electronic Technology Co ltd
Current assignee: Suzhou Denabao Electronic Technology Co ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-02-05
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses a PCB clamp, which comprises a base, a bearing plate and a linear driving mechanism; the top of the base is provided with an accommodating groove; the loading board is along left right direction sliding connection in the top of base, the holding tank is located the below of loading board, a rectangle standing groove has been seted up to the top surface of loading board, rotate along the fore-and-aft direction on the loading board and be connected with two depression bars, two the depression bar is located the left and right sides edge of rectangle standing groove respectively, the utility model discloses only rotate the hand wheel and can drive the briquetting and press from both sides tightly in step or loosen the PCB board promptly through rotating, compare with driven anchor clamps, its operation is simple more convenient, has saved the trouble that needs tighten a plurality of bolts, has improved the clamping efficiency of PCB board.

Description

PCB clamp

Technical Field

The utility model relates to a PCB field, concretely relates to PCB board anchor clamps.

Background

The PCB generally refers to a printed circuit board, which is a provider of electrical connection of electronic components, and the printed circuit board is designed with a schematic circuit diagram as a blue book to realize functions required by a circuit user. The design of the printed circuit board mainly refers to a layout design, and various factors such as internal electronic elements, metal connecting lines, the layout of through holes and external connection, electromagnetic protection, heat dissipation, crosstalk and the like are required. Excellent circuit design can save production cost and achieve good circuit performance and heat dissipation performance.

The PCB is required to be drilled, cut, welded and the like in the production, processing and manufacturing process, the PCB is required to be clamped and fixed through a clamp in the operation, the current universal clamp comprises a base, a placing groove for placing the PCB is formed in the base, locking bolts are respectively arranged on the peripheral edges of the placing groove, the PCB is firstly placed in the placing groove in the fixing process, and then the four bolts are screwed to lock and fix the PCB; above-mentioned anchor clamps need tighten four bolts when fixed PCB board, also need loosen these four bolts when dismantling the PCB board for its operation is loaded down with trivial details relatively, and the clamping efficiency of PCB board is also lower simultaneously.

Therefore, how to solve the defects of the prior art is a subject of the present invention.

Disclosure of Invention

In order to solve the problem, the utility model discloses a PCB plate clamp.

In order to achieve the above purpose, the utility model provides a following technical scheme: a PCB clamp comprises a base, a bearing plate and a linear driving mechanism;

the top of the base is provided with an accommodating groove;

the bearing plate is connected to the top of the base in a sliding mode along the left-right direction, the accommodating groove is located below the bearing plate, a rectangular placing groove is formed in the top surface of the bearing plate, two pressure rods are rotatably connected to the bearing plate along the front-back direction and are respectively located at the edges of the left side and the right side of the rectangular placing groove, a torsion spring is sleeved at each of two ends of each pressure rod, one end of each torsion spring is fixedly connected to each pressure rod, the other end of each torsion spring is fixedly connected to the base, a plurality of pressing blocks are uniformly fixed to each pressure rod along the length direction of each pressure rod, the top ends of the pressing blocks extend towards the rectangular placing groove in an inclined mode, the torsion springs act on the pressure rods;

a crank is fixed on the pressure lever along the horizontal direction, the end part of the crank is hinged with a pull rod, the pull rod vertically penetrates through the bearing plate downwards, the bottom end of the pull rod extends into the containing groove, a driving lever is arranged at the bottom end of the pull rod, the driving lever is horizontally arranged, one end of the driving lever is hinged with the bottom end of the pull rod, the other end of the driving lever inclines downwards and extends to form an inclined section, the middle part of the driving lever is hinged with the bottom of the bearing plate, and the driving levers on the two pressure levers are oppositely arranged; pressing blocks are fixed in the accommodating grooves corresponding to the inclined sections of the shifting rods, the pressing blocks are located on the upper line of the motion trail of the shifting rods, and the distance between the inclined sections of the two shifting rods and the pressing blocks is the same;

the linear driving mechanism is arranged on the base and is in transmission connection with the right side of the bearing plate to drive the bearing plate to slide along the left-right direction.

As an improvement of the utility model, the bottom of the slope section on the driving lever is rotated and is connected with a gyro wheel, the gyro wheel of slope section bottom can roll the cooperation with the side of support piece.

As an improvement of the utility model, be provided with rail block mechanism between loading board and the base, rail block mechanism's guide rail is fixed in the top of base along controlling the direction, the bottom of loading board is fixed in on rail block mechanism's the slider.

As an improvement of the utility model, the rail block mechanism is provided with two, and these two rail block mechanisms set up relatively.

As an improvement of the utility model, linear drive mechanism is lead screw nut mechanism, and this lead screw nut mechanism level sets up, the one end of the lead screw of lead screw nut mechanism pass through the bearing with the right side of loading board is rotated and is connected, and its other end is connected with a rotation hand wheel, the nut cover of lead screw nut mechanism is fixed in on the base.

Compared with the prior art, the utility model has the advantages of as follows: the left side edge and the right side edge of the corresponding rectangular placing groove on the clamp of the utility model are respectively and rotationally connected with a pressure bar, a plurality of press blocks for synchronously pressing the PCB are evenly fixed on the pressure bar along the length direction, and a locking driving mechanism consisting of a crank, a pull rod and a shift lever is arranged on the pressure bar; when the PCB is clamped, the bearing plate is pushed to advance through the linear driving mechanism, the locking driving mechanism can synchronously drive the pressing block on the pressing rod to downwards clamp and fix the PCB, further, the linear driving mechanism is a screw nut mechanism, the end part of a screw rod of the screw nut mechanism is connected with a rotating hand wheel, during operation, the pressing block can be driven to synchronously clamp or loosen the PCB only by rotating the rotating hand wheel, compared with a transmission clamp, the clamping device is simpler and more convenient to operate, the trouble of screwing a plurality of bolts is eliminated, and the clamping efficiency of the PCB is improved.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is an enlarged view of a portion A of FIG. 1;

FIG. 3 is a left side view of FIG. 1;

fig. 4 is a right sectional view of fig. 3.

List of reference numerals: 100-a base; 101-accommodating grooves; 102-a pressing block; 200-a carrier plate; 201-rectangular placing grooves; 202-a pressure bar; 203-torsion spring; 204-briquetting; 205-a crank; 206-a pull rod; 207-a deflector rod; 208-a roller; 300-linear drive mechanism; 301-lead screw nut mechanism; 302-turn the hand wheel.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example (b): referring to fig. 1 to 4, a PCB clamp includes a base 100, a carrier 200, and a linear driving mechanism 300;

the top of the base 100 is provided with a receiving groove 101;

the bearing plate 200 is connected to the top of the base 100 in a sliding manner along the left-right direction, specifically, a guide rail slider mechanism is arranged between the bearing plate 200 and the base 100, a guide rail of the guide rail slider mechanism is fixed to the top of the base 100 along the left-right direction, the bottom of the bearing plate 200 is fixed to a slider of the guide rail slider mechanism, so that the bearing plate 200 and the base are connected in a sliding manner, the accommodating groove 101 is located below the bearing plate 200, a rectangular accommodating groove 201 is formed in the top surface of the bearing plate 200, and the rectangular accommodating groove 201 is used;

two pressure levers 202 are rotatably connected to the bearing plate 200 along the front-back direction through a bearing seat, the two pressure levers 202 are respectively located at the edges of the left side and the right side of the rectangular placement groove 201, a torsion spring 203 is sleeved at each of the two ends of each pressure lever 202, one end of each torsion spring 203 is fixedly connected to each pressure lever 202, the other end of each torsion spring 203 is fixedly connected to the base 100, a plurality of pressing blocks 204 are uniformly fixed on each pressure lever 202 along the length direction of each pressure lever, the top ends of the pressing blocks 204 extend towards the rectangular placement groove 201 in an inclined manner, the torsion springs 203 act on the pressure levers 202, and the pressure;

a crank 205 is fixed on the compression bars 202 along the horizontal direction, the end of the crank 205 is hinged with a pull rod 206, the pull rod 206 vertically penetrates through the bearing plate 200 downwards, the bottom end of the pull rod 206 extends into the accommodating groove 101, the bottom end of the pull rod 206 is provided with a shift lever 207, the shift lever 207 is horizontally arranged, one end of the shift lever is hinged with the bottom end of the pull rod 206, the other end of the shift lever is inclined downwards and extends to form an inclined section, the middle part of the shift lever 207 is hinged with the bottom of the bearing plate 200, and the shift levers 207 on the two; the pressing blocks 102 are fixed in the accommodating grooves 101 corresponding to the inclined sections of the shift levers 207, the pressing blocks 102 are located on the upper line of the motion tracks of the shift levers 207, and the distance between the inclined sections of the two shift levers 207 and the pressing blocks 102 is the same;

the linear driving mechanism 300 is installed on the base 100 and is in transmission connection with the right side of the bearing plate 200 to drive the bearing plate 200 to slide along the left-right direction, specifically, the linear driving mechanism 300 is a screw-nut mechanism, the screw-nut mechanism is horizontally arranged, one end of a screw rod 301 of the screw-nut mechanism is in rotary connection with the right side of the bearing plate 200 through a bearing, the other end of the screw rod 301 is connected with a rotating hand wheel 302, and a nut sleeve of the screw-nut mechanism is fixed on the base 100;

when the PCB is installed, the PCB is firstly inserted into the rectangular placing groove 201 and is positioned through the rectangular placing groove 201, then the rotating hand wheel 302 is rotated, referring to fig. 4, a lead screw 301 of the lead screw nut mechanism pushes the bearing plate 200 to slide leftwards, so that the inclined section of the rightmost shifting lever 207 is abutted against the abutting block 102, the right end of the shifting lever 207 pushes the pull rod 206 upwards, the pull rod 206 pushes the crank 205 upwards, the crank 205 drives the pressing block 204 on the pressing rod 202 to rotate towards the rectangular placing groove 201 (meanwhile, the torsional springs 203 at the two ends of the pressing rod 202 are twisted to generate elastic potential energy), and the elastic potential energy is abutted against the PCB, so that the right edge of the PCB is clamped and fixed; the pressing block 102 is fixed on the inclined section corresponding to each shifting lever 207 in the accommodating groove 101, the pressing block 102 is positioned on the motion track upper line of the shifting lever 207, and the distance between the inclined sections of the two shifting levers 207 and the pressing block 102 is the same), and the shifting lever 207 on the leftmost side also synchronously drives the pressing block 204 to clamp the left edge of the PCB;

when the PCB is loosened, the hand wheel 302 is rotated in the reverse direction, so that the shift lever 207 is separated from the pressing block 102, and at the moment, the pressing rod 202 can return under the action of the torsion spring 203, so that the pressing rod 202 drives the top end of the pressing block 204 to tilt upwards, and the clamping of the PCB is loosened.

The bottom of the inclined section of the shifting lever 207 is rotatably connected with a roller 208, and the roller 208 at the bottom of the inclined section can be in rolling fit with the side surface of the pressing block 102.

A guide rail sliding block mechanism is arranged between the bearing plate 200 and the base 100, a guide rail of the guide rail sliding block mechanism is fixed on the top of the base 100 along the left-right direction, and the bottom of the bearing plate 200 is fixed on a sliding block of the guide rail sliding block mechanism.

The two guide rail sliding block mechanisms are arranged oppositely, and the support stability of the bearing plate 200 is better due to the arrangement of the two guide rail sliding block mechanisms.

The technical means disclosed by the scheme of the present invention is not limited to the technical means disclosed by the above embodiments, but also includes the technical scheme formed by the arbitrary combination of the above technical features. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also considered as the protection scope of the present invention.

Claims

1. The utility model provides a PCB board anchor clamps which characterized in that: comprises a base (100), a bearing plate (200) and a linear driving mechanism (300);

the top of the base (100) is provided with an accommodating groove (101);

the bearing plate (200) is connected with the top of the base (100) in a sliding way along the left-right direction, the accommodating groove (101) is positioned below the bearing plate (200), a rectangular accommodating groove (201) is arranged on the top surface of the bearing plate (200), two pressure levers (202) are rotatably connected to the bearing plate (200) along the front-back direction, the two pressure levers (202) are respectively positioned at the edges of the left side and the right side of the rectangular placing groove (201), two ends of the pressure lever (202) are sleeved with a torsion spring (203), one end of the torsion spring (203) is fixedly connected to the pressure lever (202), the other end of the pressure lever is fixedly connected on the base (100), a plurality of pressing blocks (204) are uniformly fixed on the pressure lever (202) along the length direction thereof, the top end of the pressing block (204) extends towards the rectangular placing groove (201) in an inclined way, the torsion spring (203) acts on the pressure lever (202), and the pressure lever (202) drives the top end of the pressing block (204) to tilt upwards;

a crank (205) is fixed on the compression bar (202) along the horizontal direction, the end part of the crank (205) is hinged with a pull rod (206), the pull rod (206) vertically penetrates through the bearing plate (200) downwards, the bottom end of the pull rod (206) extends into the accommodating groove (101), the bottom end of the pull rod (206) is provided with a shift lever (207), the shift lever (207) is horizontally arranged, one end of the shift lever is hinged with the bottom end of the pull rod (206), the other end of the shift lever inclines downwards to form an inclined section, the middle part of the shift lever (207) is hinged with the bottom of the bearing plate (200), and the shift levers (207) on the two compression bars (202) are arranged oppositely; pressing blocks (102) are fixed in the accommodating grooves (101) corresponding to the inclined sections of the shifting rods (207), the pressing blocks (102) are located on the upper line of the motion trail of the shifting rods (207), and the distance between the inclined sections of the two shifting rods (207) and the pressing blocks (102) is the same;

the linear driving mechanism (300) is arranged on the base (100) and is in transmission connection with the right side of the bearing plate (200) to drive the bearing plate (200) to slide along the left-right direction.

2. The PCB board fixture of claim 1, wherein: the bottom of the inclined section on the shifting lever (207) is rotatably connected with a roller (208), and the roller (208) at the bottom of the inclined section can be in rolling fit with the side surface of the pressing block (102).

3. The PCB board fixture of claim 1, wherein: a guide rail sliding block mechanism is arranged between the bearing plate (200) and the base (100), a guide rail of the guide rail sliding block mechanism is fixed at the top of the base (100) along the left-right direction, and the bottom of the bearing plate (200) is fixed on a sliding block of the guide rail sliding block mechanism.

4. A PCB board fixture according to claim 3, wherein: the two guide rail sliding block mechanisms are arranged oppositely.

5. The PCB board fixture of claim 1, wherein: the linear driving mechanism (300) is a screw-nut mechanism, the screw-nut mechanism is horizontally arranged, one end of a screw rod (301) of the screw-nut mechanism is rotatably connected with the right side of the bearing plate (200) through a bearing, the other end of the screw rod is connected with a rotating hand wheel (302), and a nut sleeve of the screw-nut mechanism is fixed on the base (100).