CN212568862U

CN212568862U - Connector for printed circuit board via hole detection

Info

Publication number: CN212568862U
Application number: CN202020809244.5U
Authority: CN
Inventors: 吕伟; 赵占良; 陈荟霖; 吕广英
Original assignee: Tianjin Mag Tech Co ltd
Current assignee: Tianjin Mag Tech Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2021-02-19
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a connector that printed circuit board via hole detected, including the drum, the drum outside is provided with the recess, the inside rotation of recess is connected with the clamp plate, the inner rotation of clamp plate is connected with the connecting rod, the connecting rod sets up inside the drum, the connecting rod is kept away from clamp plate one end and is provided with the pull rod, pull rod and drum sliding connection, the pull rod rotates with the connecting rod to be connected, the pull rod top runs through the drum and extends to the drum outside, the one end fixedly connected with pull ring in the pull rod extends to the drum outside. The utility model discloses a connecting rod uses first circle axle to rotate as the center for the clamp plate can support the round hole inner wall, and here the drum is inside the round hole of circuit board, consequently after the circuit board connection is accomplished, and it is in the horizontality on the contact surface, even circuit board top pressurized this moment, the round hole inner wall can not be extruded to the drum yet, consequently can avoid the damage to the circuit board.

Description

Connector for printed circuit board via hole detection

Technical Field

The utility model relates to a printed circuit board detects technical field, concretely relates to connector that printed circuit board via hole detected.

Background

The printed circuit board needs to use test equipment to test the signal end in the manufacturing and debugging stages, and the test equipment needs to be connected with the test point when the test is carried out. Conventional printed circuit board testing equipment, such as an oscilloscope, is typically connected to the vias of the printed circuit board through probes. Whether the connection of the probe and the via hole of the printed circuit board is reliable or not is crucial to the accuracy and correctness of the measurement result

However, when the connector is used in practice, the bottom end of the connector often passes through the via hole in the circuit board, so that the circuit board is in an inclined state when being placed, and once the top of the circuit board is pressed, the connector can extrude the inner wall of the via hole, so that the circuit board is damaged.

Therefore, it is desirable to provide a printed circuit board via test connector that solves the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a connector that printed circuit board via hole detected, pull rod is carried to last through the pull ring, the pull rod drives connecting rod one end upward movement, thereby it uses first circle axle to rotate as the center to drive the connecting rod, make the clamp plate can support the round hole inner wall, here the drum is inside the round hole of circuit board, consequently after circuit board connection accomplishes, it is in the horizontality on the contact surface, even circuit board top pressurized this moment, the drum can not extrude the round hole inner wall yet, consequently, can avoid the damage to the circuit board, with the above-mentioned weak point in the solution technology.

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a connector that printed circuit board via hole detected, includes the drum, the drum outside is provided with the recess, the inside rotation of recess is connected with the clamp plate, the clamp plate inner rotates and is connected with the connecting rod, the connecting rod sets up inside the drum, the clamp plate one end is kept away from to the connecting rod is provided with the pull rod, pull rod and drum sliding connection, the pull rod rotates with the connecting rod to be connected, the pull rod top runs through the drum and extends to the drum outside, the one end fixedly connected with pull ring that the pull rod extends to the drum outside, drum outside threaded connection has the sleeve.

Preferably, the front side and the rear side of the pressing plate are fixedly connected with first round shafts, the pressing plate is connected inside the groove in a rotating mode through the first round shafts, and the end, far away from the cylinder, of the pressing plate is provided with an anti-slip pad.

Preferably, the inner side of the first round shaft is provided with a second round shaft, the second round shaft penetrates through the pressing plate and the connecting rod, and the connecting rod and the pressing plate are rotatably connected with the second round shaft.

Preferably, the number of the pressing plates is multiple, and the pressing plates are distributed on the outer side of the cylinder in an annular array.

Preferably, the pull rod bottom is provided with the notch, the quantity of notch sets up to a plurality ofly, and is a plurality of the notch is annular array and distributes in pull rod outside bottom.

Preferably, the inside fixedly connected with pivot of notch, the pivot runs through the connecting rod and is connected with the connecting rod rotation.

Preferably, the top end of the outer side of the pull rod is provided with an external thread, and the sleeve is in threaded connection with the pull rod through the external thread.

Preferably, the bottom end of the cylinder is provided with a circuit board, the surface of the circuit board is provided with a through round hole, and the bottom end of the cylinder is arranged inside the round hole.

In the technical scheme, the utility model provides a technological effect and advantage:

through the pull ring pull rod that upwards carries, the pull rod drives connecting rod one end upward movement, thereby it uses first circle axle to rotate as the center to drive the connecting rod, make the clamp plate can support the round hole inner wall, non slipping pad through the connecting rod outside, can improve the frictional force between connecting rod and the circuit board, thereby be favorable to improving the stability that connecting rod and circuit board are connected, here the drum is inside the round hole of circuit board, consequently after circuit board connection is accomplished, it is in the horizontality on the contact surface, even circuit board top pressurized this moment, the drum can not extrude the round hole inner wall yet, consequently, can avoid the damage to the circuit board, and this device has good stability after connection is accomplished, the phenomenon that can avoid droing in the testing process, therefore, the clothes hanger is.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

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

FIG. 2 is a schematic view of the structure of the pressing plate and the connecting rod of the present invention;

FIG. 3 is a schematic view of the structure of the cylinder of the present invention;

FIG. 4 is a schematic view of the structure of the pull rod of the present invention;

fig. 5 is an enlarged view of the structure of the portion a of fig. 1 according to the present invention.

Description of reference numerals:

1 cylinder, 2 grooves, 3 pressing plates, 4 connecting rods, 5 pull rods, 6 pull rings, 7 sleeves, 8 first round shafts, 9 anti-slip pads, 10 second round shafts, 11 notches and 12 circuit boards.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

The utility model provides a connector that printed circuit board via hole detected as shown in fig. 1-5, including drum 1, drum 1 outside is provided with recess 2, the inside rotation of recess 2 is connected with clamp plate 3, clamp plate 3 the inner rotates and is connected with connecting rod 4, connecting rod 4 sets up inside drum 1, connecting rod 4 is kept away from 3 one end of clamp plate and is provided with pull rod 5,

pull rod

5 and 1 sliding connection of drum, pull rod 5 rotates with connecting rod 4 to be connected, the 5 tops of pull rod run through drum 1 and extend to the 1 outside of drum, the one end fixedly connected with pull ring 6 in the pull rod 5 extends to the 1 outside of drum, 1 outside threaded connection of drum has sleeve 7.

Further, in the above technical scheme, the first round shaft 8 is fixedly connected to the front side and the rear side of the pressing plate 3, the pressing plate 3 is rotatably connected to the inside of the groove 2 through the first round shaft 8, the non-slip mat 9 is arranged at the end, far away from the cylinder 1, of the pressing plate 3, the non-slip mat 9 can improve the friction force between the connecting rod 4 and the circuit board 12, and therefore the stability of connection between the connecting rod 4 and the circuit board 12 is improved.

Further, in above-mentioned technical scheme, first circle axle 8 inboard is provided with second circle axle 10, second circle axle 10 runs through clamp plate 3 and connecting rod 4, connecting rod 4 and clamp plate 3 all rotate with second circle axle 10 and are connected, and first circle axle 8 is favorable to clamp plate 3 to rotate.

Further, in the above technical solution, the number of the pressing plates 3 is set to be plural, and the plurality of pressing plates 3 are distributed on the outer side of the cylinder 1 in a circular array.

Further, in above-mentioned technical scheme, 5 bottoms of pull rod are provided with notch 11, the quantity of notch 11 sets up to a plurality ofly, and is a plurality of notch 11 is annular array and distributes in 5 outside bottom ends of pull rod, and notch 11 is favorable to connecting

rod

4 and 5 to rotate to be connected with pull rod.

Further, in the above technical solution, a rotating shaft is fixedly connected inside the slot 11, and the rotating shaft penetrates through the connecting rod 4 and is rotatably connected with the connecting rod 4.

Further, in the above technical solution, the top end of the outer side of the pull rod 5 is provided with an external thread, and the sleeve 7 is in threaded connection with the pull rod 5 through the external thread.

Further, in the above technical solution, the bottom end of the cylinder 1 is provided with a circuit board 12, a through circular hole is formed in the surface of the circuit board 12, and the bottom end of the cylinder 1 is arranged inside the circular hole.

The implementation mode is specifically as follows: through arranging the pull ring 6 at the top of the connecting rod, when in use, the cylinder 1 is placed in a circular hole on the surface of the circuit board 12, the pull rod 5 is lifted upwards through the pull ring 6, the pull rod 5 drives one end of the connecting rod 4 to move upwards, wherein one end of the connecting rod 4 is rotationally connected with the press plate 3 through the second circular shaft 10, and the other end is rotationally connected with the pull rod 5 through the rotating shaft, therefore, when the pull rod 5 drives the connecting rod 4 to move upwards, the connecting rod 4 can be driven to rotate by taking the first circular shaft 8 as the center, so that the press plate 3 can support against the inner wall of the circular hole, through the anti-slip mat 9 at the outer side of the connecting rod 4, the friction force between the connecting rod 4 and the circuit board 12 can be improved, thereby being beneficial to improving the stability of the connection between the connecting rod 4 and the circuit board 12, when the pull rod 5, when sleeve 7 supports drum 1 top, can keep the stability after pull rod 5 mentions, here drum 1 is inside the round hole of circuit board 12, consequently after circuit board 12 connects the completion, it is in the horizontality on the contact surface, even circuit board 12 top pressurized this moment, drum 1 can not extrude the round hole inner wall yet, consequently, can avoid the damage to circuit board 12, and this device has good stability after connecting the completion, can avoid the phenomenon that drops in the test process, therefore, the clothes hanger is strong in practicability, the problem of being connected with circuit board 12 via hole when detecting circuit board 12 that exists among the prior art has specifically been solved to this embodiment.

This practical theory of operation:

referring to the attached drawings 1-5 of the specification, the pull rod 5 is lifted upwards through the pull ring 6, the pull rod 5 drives one end of the connecting rod 4 to move upwards, the connecting rod 4 is driven to rotate by taking the first round shaft 8 as a center, the pressing plate 3 can abut against the inner wall of the round hole, the friction force between the connecting rod 4 and the circuit board 12 can be improved through the anti-slip pad 9 on the outer side of the connecting rod 4, when the pull rod 5 is lifted upwards for a certain angle, the sleeve 7 can be rotated to drive the connecting rod to move downwards, the stability after the pull rod 5 is lifted can be kept, the cylinder 1 is located inside the round hole of the circuit board 12, and therefore after the circuit board 12 is connected, the connecting rod is in a horizontal state on a contact surface, even if the top of the circuit board 12 is pressed at the moment.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A connector for printed circuit board via hole detection comprises a cylinder (1), and is characterized in that: drum (1) outside is provided with recess (2), recess (2) internal rotation is connected with clamp plate (3), clamp plate (3) inner rotates and is connected with connecting rod (4), connecting rod (4) set up inside drum (1), clamp plate (3) one end is kept away from in connecting rod (4) and is provided with pull rod (5), pull rod (5) and drum (1) sliding connection, pull rod (5) rotate with connecting rod (4) and are connected, pull rod (5) top is run through drum (1) and is extended to the drum (1) outside, one end fixedly connected with pull ring (6) that pull rod (5) extended to the drum (1) outside, drum (1) outside threaded connection has sleeve (7).

2. The printed circuit board via detection connector of claim 1, wherein: the pressing plate is characterized in that first round shafts (8) are fixedly connected to the front side and the rear side of the pressing plate (3), the pressing plate (3) is rotatably connected to the interior of the groove (2) through the first round shafts (8), and an anti-slip pad (9) is arranged at one end, far away from the cylinder (1), of the pressing plate (3).

3. The printed circuit board via detection connector of claim 2, wherein: the inner side of the first round shaft (8) is provided with a second round shaft (10), the second round shaft (10) penetrates through the pressing plate (3) and the connecting rod (4), and the connecting rod (4) and the pressing plate (3) are rotatably connected with the second round shaft (10).

4. The printed circuit board via detection connector of claim 1, wherein: the number of the pressing plates (3) is set to be a plurality, and the pressing plates (3) are distributed on the outer side of the cylinder (1) in an annular array.

5. The printed circuit board via detection connector of claim 1, wherein: pull rod (5) bottom is provided with notch (11), the quantity of notch (11) sets up to a plurality ofly, and is a plurality of notch (11) are annular array and distribute in pull rod (5) outside bottom.

6. The printed circuit board via testing connector of claim 5, wherein: the inside fixedly connected with pivot of notch (11), the pivot runs through connecting rod (4) and rotates with connecting rod (4) and be connected.

7. The printed circuit board via detection connector of claim 1, wherein: the top end of the outer side of the pull rod (5) is provided with an external thread, and the sleeve (7) is in threaded connection with the pull rod (5) through the external thread.

8. The printed circuit board via detection connector of claim 1, wherein: the bottom end of the cylinder (1) is provided with a circuit board (12), a through round hole is formed in the surface of the circuit board (12), and the bottom end of the cylinder (1) is arranged inside the round hole.