CN208109879U - A kind of pcb board production adjustable clamp for electrical measurement - Google Patents

Abstract

The utility model discloses an adjustable electrical measuring fixture for PCB board production, which comprises an angled platen, a pressing plate and a circular plate. The upper end of the angled platen is fixedly connected with a positioning pin, and the upper part of the angled platen is left and right. The end is fixedly connected with a block, the middle part of the upper end of the block is fixedly connected with a column, the left and right ends of the pressing plate are fixedly connected with slip rings, the inner wall of the slip ring is slidingly sleeved with the column, and the lower end of the pressing plate is fixed A socket is connected, and the two sides of the upper end of the pressing plate are fixedly connected with rotating rods. Move the pressing plate downward until the sleeve is inserted into the positioning pin, stably touching the upper side of the PCB board, and the clamping board is snapped into the slot on the lower side, stabilizing the position of the PCB board, turning the handle clockwise to drive the conical column to rotate to the right Pushing forward, the upper side of the conical column presses the hemisphere obliquely upwards, driving the square column to press upwards against the middle side of the PCB board, so that the depression in the middle side of the PCB board is lifted up, making the PCB board installation effect better.

Description

An adjustable electric measuring fixture for PCB board production

technical field

The utility model relates to the technical field of electric measuring fixtures, in particular to an adjustable electric measuring fixture for PCB board production.

Background technique

PCB circuit board, also known as printed circuit board, is a provider of electrical connections for electronic components. Its development has a history of more than 100 years. Its design is mainly layout design. The main advantage of using circuit boards is that it greatly reduces wiring and Assembly errors increase the level of automation and productivity.

The existing electrical measuring fixture for PCB board production adopts the method of double board clamping fixed by screws to fix the PCB board. When installing, it is necessary to use a screwdriver to lock the screws in the mounting holes of the PCB board one by one. When there is a depression due to injection molding, it cannot be closely matched with the electric measuring fixture, and the installation effect is poor.

Utility model content

The purpose of this utility model is to provide an adjustable electric measuring fixture for PCB board production, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions: an adjustable electrical measuring fixture for PCB board production, including a corner table, a pressing plate and a circular plate, the upper end of the corner table is fixedly connected with a positioning pin, Blocks are fixedly connected to the left and right ends of the upper part of the knuckle platen, and a column is fixedly connected to the middle of the upper end of the block, and slip rings are fixedly connected to the left and right ends of the pressing plate, and the inner wall of the slip ring is slidingly socketed to the column , the lower end of the pressing plate is fixedly connected with a socket, the upper end of the pressing plate is fixedly connected with rotating rods on both sides, the upper end of the rotating rod is fixedly connected with a conical rotating plate, and the inside of the circular plate is provided with a cone The circular plate is rotated through the tapered rotary slot and the tapered rotary plate is installed. The outer side of the circular plate is fixedly connected with a clamping plate. Slidingly inserting the card board, the middle part of the corner table is provided with a square hole, and the corner table is slidably installed with a square column through the square hole, and rubber blocks are glued on both sides of the upper end of the square column.

Preferably, an abutment ring is slidably installed on the outside of the locating pin, a rubber ring is bonded to the upper surface of the abutment ring, the two sides of the lower end of the abutment ring are fixedly connected with knuckle shrapnel, and the lower end of the knuckle shrapnel is fixedly connected to the upper surface of the knuckle platen. surface.

Preferably, a torsion spring is sheathed on the outside of the rotating rod, the upper end of the torsion spring is fixedly connected to the lower end of the circular plate, and the lower end of the torsion spring is fixedly connected to both sides of the upper end of the pressing plate.

Preferably, the inside of the left side of the knuckle platen is provided with a turning hole, the knuckle platen is rotated and installed with a shaft through the turning hole, the left and right sides of the shaft are provided with baffles, and the inside of the right side of the knuckle platen is provided with a threaded hole , the corner platen is screwed with a bolt column through the threaded hole, the right end of the bolt column is fixedly connected with a rotating handle, the left end of the bolt column is fixedly connected with a conical column, the middle part of the left end of the conical column is fixedly connected with the shaft, and the lower end of the square column is fixedly connected with a The hemisphere, the lower side of the hemisphere touches the upper side of the cone cylinder, the hemisphere is magnetized, and the material of the cone cylinder is iron.

Compared with the prior art, the beneficial effect of the utility model is that the adjustable electrical measuring fixture used for PCB board production moves the pressing board downward until the socket is inserted into the positioning pin, stably contacts the upper side of the PCB board, and the board is stuck. Insert it into the card slot on the lower side to stabilize the position of the PCB board. Turn the handle clockwise to drive the conical column to rotate to the right. The upper side of the conical column presses against the hemisphere obliquely upward, and drives the square column to press upward against the middle side of the PCB board. , so that the side depression of the PCB board is lifted up, so that the PCB board installation effect is better.

Description of drawings

Fig. 1 is the front view cut-away schematic diagram of the utility model;

Fig. 2 is a schematic diagram of a partially enlarged structure of the present invention.

In the figure: 1 angled platen, 2 positioning pins, 3 abutment rings, 4 rubber rings, 5 angled shrapnel, 6 pieces, 7 columns, 8 pressing plates, 9 slip rings, 10 sockets, 11 rotating rods, 12 cones Turning plate, 13 circular plate, 14 conical turning slot, 15 torsion spring, 16 clip, 17 slot, 18 turning hole, 19 shaft, 20 baffle, 21 threaded hole, 22 bolt column, 23 turning handle, 24 Conical columns, 25 square holes, 26 square columns, 27 rubber blocks, 28 hemispheres.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention.

Please refer to Figure 1-2, the utility model provides a technical solution: an adjustable electric measuring fixture for PCB board production, including a knuckle platen 1, a pressing plate 8 and a circular plate 13, and the upper end of the knuckle platen 1 is fixed Connected with positioning pin 2, it is convenient to insert into the mounting hole of the PCB board. The outside of the positioning pin 2 is slidably installed with a support ring 3, and the upper surface of the support ring 3 is bonded with a rubber ring 4, so that the contact ring 3 touches the lower side of the PCB board more softly , realize the soft contact of the ring 3 to the PCB board, and protect the PCB board. The two sides of the lower end of the ring 3 are fixedly connected with the angled shrapnel 5. The initial bending elasticity of the angled shrapnel 5 is 1 Newton, and the angled shrapnel 5 is used to stabilize the lower side of the PCB board. Elastic support to protect the PCB board, the lower end of the knuckle shrapnel 5 is fixedly connected to the upper surface of the knuckle table 1, the upper left and right ends of the knuckle table 1 are fixedly connected to the block 6, and the middle part of the upper end of the block 6 is fixedly connected to the column 7 , the left and right ends of the pressing plate 8 are fixedly connected with a slip ring 9, and the inner wall of the slip ring 9 slides and sockets the column 7, and the cooperation between the slip ring 9 on both sides and the column 7 ensures the stability of the pressing plate 8 moving up and down, and the pressing The lower end of the plate 8 is fixedly connected with a socket 10, which is convenient for inserting into the positioning rod 2 and cooperating with the fixed PCB board. The two sides of the upper end of the pressing plate 8 are fixedly connected with a rotating rod 11, and the upper end of the rotating rod 11 is fixedly connected with a tapered rotating plate 12. The inside of circular plate 13 is provided with conical turning groove 14, and circular plate 13 is installed conical turning plate 12 by the rotation of conical turning groove 14, facilitates clamping plate 16 to turn over, and the outer side of turning bar 11 is covered with torsion spring 15, and torsion spring 15 is this moment. The spring 15 is in a natural state, and the initial twisting force of the torsion spring 15 is 6 Newtons. The upper end of the torsion spring 15 is fixedly connected to the lower end of the circular plate 13, and the lower end of the torsion spring 15 is fixedly connected to both sides of the upper end of the pressing plate 8, ensuring The stability of torsion spring 15 kinks, the outer side of circular plate 13 is fixedly connected with clamping plate 16, the inboard upper and lower part of column 7 is provided with clamping groove 17, and column 7 slides and inserts clamping plate 16 through clamping groove 17, passes clamping plate 16 Cooperate with the card slot 17 to prevent the pressing plate 8 from moving up and down. When the card plate 16 is inserted into the card slot 17 on the lower side, the socket 10 is stably pressed against the PCB board. Platen 1 is slidably installed with square post 26 by square hole 25, because square hole 25 is a square, square post 26 is a square, when square post 26 and square hole 25 were sliding fit state, ensured that square post 26 does not move up and down. It can rotate, and the two sides of the upper end of the square column 26 are bonded with rubber blocks 27, which are used to flexibly press the middle side of the PCB board. The left side of the corner table 1 is provided with a turning hole 18, and the corner table 1 passes through the turning hole 18 Shaft 19 is installed in rotation, which ensures the rotation stability of shaft 19. The left and right sides of shaft 19 are provided with baffle plate 20, and by baffle plate 20, the left and right movement of shaft 19 is limited to 3 cm, while conical column 24 and hemisphere Body 28 cooperates stroke to be 4 centimetres, can prevent conical column 24 from protruding from hemispherical body 28, and the inside of the right side of knuckle platen 1 is provided with threaded hole 21, and knuckle platen 1 is spirally installed with bolt column 22 by threaded hole 21, and bolt column 22 The right end is fixedly connected with turning handle 23, bolt column 2 The left end of 2 is fixedly connected with a conical column 24, the middle part of the left end of the conical column 24 is fixedly connected with the shaft 19, the lower end of the square column 26 is fixedly connected with a hemisphere 28, and the lower side of the hemisphere 28 touches the upper side of the conical column 24, and the hemisphere 28 is magnetized, and the material of the conical cylinder 24 is iron, so that the hemisphere 28 remains in contact with the conical cylinder 24 .

When the utility model is implemented in practice: the mounting holes of the PCB board are correspondingly inserted into the positioning pins 2, the clamping plate 16 is turned over, so that the clamping plate 16 escapes from the clamping groove 17 on the upper side, the torsion spring 15 is twisted, and through the conical rotating plate 12 and The cooperation of the tapered rotary groove 14 ensures the stability of the rotation of the clamping plate 16, and moves the pressing plate 8 downward until the socket 10 is inserted into the positioning pin 2 and stably contacts the upper side of the PCB board, while the clamping plate 16 corresponds to the lower side. The card slot 17, the card plate 16 is released, and the card plate 16 is quickly snapped into the lower card slot 17 by the turning force of the torsion spring 15, thereby stabilizing the position of the socket 10, and then stabilizing the position of the PCB board. The rubber ring 4 and the angled shrapnel 5 make the contact ring 3 softly contact with the PCB board to protect the PCB board. When the middle side of the PCB board is sunken, turn the handle 23 clockwise, and through the cooperation of the bolt column 22 and the threaded hole 21, Drive the conical column 24 to rotate to the right, the upper side of the conical column 24 presses the hemisphere 28 obliquely upward, and drives the square column 26 to press upward against the middle side of the PCB board, so that the depression in the middle side of the PCB board is lifted until it is in the same shape as the pressing plate 8 In the flat state, loosen the turning handle 23, and use the rubber block 27 to prevent the middle side of the PCB from directly contacting the square column 26, so as to protect the PCB and make the installation of the PCB better.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (4)

1. An adjustable electrical measuring fixture for PCB board production, comprising a knuckle platen (1), a pressing plate (8) and a circular plate (13), characterized in that: the upper end of the knuckle platen (1) is fixed Positioning pins (2) are connected, blocks (6) are fixedly connected to the upper left and right ends of the knuckle platen (1), and a column (7) is fixedly connected to the middle of the upper end of the block (6). The left and right ends of the plate (8) are fixedly connected with slip rings (9), the inner wall of the slip ring (9) is slidingly socketed with the column (7), and the lower end of the pressing plate (8) is fixedly connected with a socket (10) , both sides of the upper end of the pressing plate (8) are fixedly connected with a rotating rod (11), the upper end of the rotating rod (11) is fixedly connected with a conical rotating plate (12), and the inside of the circular plate (13) A conical turning slot (14) is provided, and the circular plate (13) is rotated and installed with a conical turning plate (12) through the conical turning slot (14), and the outside of the circular plate (13) is fixedly connected with a clamping plate ( 16), the upper and lower parts of the inner side of the column (7) are provided with card slots (17), and the column (7) slides and inserts the card plate (16) through the card slot (17), and the corner table (1) There is a square hole (25) in the middle of the square hole (25), and the square column (26) is slidably installed on the corner table (1) through the square hole (25). The upper end of the square column (26) is bonded with rubber blocks on both sides. (27). 2. The adjustable electrical measuring fixture for PCB board production according to claim 1, characterized in that: the outer side of the positioning pin (2) is slidably mounted with a ring (3), and the ring (3) is The upper surface is bonded with a rubber ring (4), and both sides of the lower end of the abutting ring (3) are fixedly connected with knuckle shrapnel (5), and the lower end of the knuckle shrapnel (5) is fixedly connected with the upper surface of the knuckle platen (1). 3. The adjustable electrical measuring fixture for PCB board production according to claim 1, characterized in that: the outer side of the rotating rod (11) is covered with a torsion spring (15), and the upper end of the torsion spring (15) It is fixedly connected to the lower end of the circular plate (13), and the lower end of the torsion spring (15) is fixedly connected to both sides of the upper end of the pressing plate (8). 4. The adjustable electrical measuring fixture for a kind of PCB board production according to claim 1, characterized in that: the left side of the knuckle platen (1) is provided with a turning hole (18), and the knuckle platen (1) 1) The shaft (19) is rotated through the rotating hole (18), the left and right sides of the shaft (19) are provided with baffles (20), and the inside of the right side of the knuckle table (1) is provided with a threaded hole (21) , the angled platen (1) is screw-mounted with a bolt column (22) through the threaded hole (21), the right end of the bolt column (22) is fixedly connected with a rotating handle (23), and the left end of the bolt column (22) is fixedly connected with a conical column (24), the left end middle part of the conical column (24) is fixedly connected to the shaft (19), the lower end of the square column (26) is fixedly connected with a hemisphere (28), and the lower side of the hemisphere (28) contacts the conical column (24) ) upper side, the hemisphere (28) is magnetized, and the material of the conical post (24) is iron.