CN216775140U

CN216775140U - Power management chip with positioning structure

Info

Publication number: CN216775140U
Application number: CN202123330339.2U
Authority: CN
Inventors: 任留涛
Original assignee: Nantong Gerp Microelectronics Co ltd
Current assignee: Nantong Gerp Microelectronics Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-06-17
Anticipated expiration: 2031-12-27

Abstract

The utility model relates to the technical field of power management chips, in particular to a power management chip with a positioning structure, which comprises a power management chip body, wherein a bottom plate is bonded at the bottom of the power management chip body, two first screw rods are welded at the top of the bottom plate and symmetrically distributed at two sides of the power management chip body, and a pressing block is sleeved between the top ends of the two first screw rods in a sliding manner. According to the scheme, the pins of the power management chip are fixedly connected with the circuit board in a mechanical fixing mode, so that the pins and the circuit board do not need to be welded and fixed, the physical and mental health of workers is protected, and meanwhile, the convenience in operation is improved.

Description

Power management chip with positioning structure

Technical Field

The utility model relates to the technical field of power management chips, in particular to a power management chip with a positioning structure.

Background

In the process of installing and positioning the power management chip, pins of the power management chip are usually fixed on the circuit board in a soldering mode, and since the soldering can generate toxic gas in the operation process, the toxic gas is easy to diffuse to the surrounding environment of the circuit board if not cleared in time, and workers are easy to hurt the physical and mental health of the circuit board when being in the environment for a long time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a power management chip with a positioning structure.

In order to achieve the above purposes, the technical scheme adopted by the utility model is as follows: a power management chip with a positioning structure comprises a power management chip body, wherein a bottom plate is bonded at the bottom of the power management chip body, the top of the bottom plate is welded with two first screw rods which are symmetrically distributed on two sides of the power management chip body, a pressing block is sleeved between the top ends of the two first screw rods in a sliding manner, screwed pipes are respectively sleeved on the top ends of the two first screw rods in a threaded manner, the bottoms of the two screwed pipes are contacted with the top of the pressing block, the bottom of the pressing block is in contact with the top of the power management chip body, first long blocks which are arranged in parallel are arranged on two sides of the pressing block, the two first long blocks correspond to the two rows of pins of the power management chip body in position, the two first long blocks are connected with the pressing block through an adjusting mechanism, and a pressing mechanism is arranged between the two first long blocks and the two rows of pins.

Preferably, the adjusting mechanism comprises a pipe fitting, one end of the pipe fitting is mounted on the side face of the pressing block through a screw, the other end of the pipe fitting is slidably inserted into a sliding rod, a plurality of first screw holes are formed in the surface of the sliding rod, a third screw hole is formed in one end of the pipe fitting, the third screw hole corresponds to the first screw holes in position, a stud is inserted into the internal thread of the third screw hole, one end of the stud is mounted inside the first screw holes in threaded mode, and one end of the sliding rod is mounted on the side face of the first long block through a screw.

Preferably, hold-down mechanism includes the second screw, the top at first rectangular piece is seted up to the second screw, the internal thread of second screw is pegged graft and is had the second screw rod, the bottom activity cover of second screw rod is equipped with the clamp plate, the fixed cover in surface of second screw rod is equipped with ring spare, two the surface of ring spare contacts with the top and the bottom of clamp plate respectively, the second rectangular piece is installed through the screw to the one end of clamp plate, second rectangular piece and first rectangular piece parallel arrangement, there are a plurality of fasteners, a plurality of in the bottom of second rectangular piece through the mounting screw a plurality of fasteners, it is a plurality of the fastener is established respectively the cover on the surface of a plurality of pins.

Preferably, the clamping pieces are at least four, the four clamping pieces are arranged at equal intervals, and the clamping pieces are concave.

Preferably, the both ends of second rectangular piece all have the dead lever, two through the mounting screw the top of dead lever all slides the cover and is equipped with fixed pipe, two the one end of fixed pipe all passes through the mounting screw in the bottom of first rectangular piece.

Preferably, a plurality of tool holes are formed in the surface of the bottom plate, at least four tool holes are formed in the surface of the bottom plate, and the four tool holes are distributed in four corners of the top of the bottom plate.

Compared with the prior art, the utility model has the following beneficial effects:

according to the power management chip, the bottom plate, the first screw rod, the pressing block and the screw tube are arranged, and the screw tube is rotated on the first screw rod, so that the screw tube can push the pressing block to be pressed on the top of the power management chip to fix the position of the power management chip, and meanwhile, the bottom plate and the circuit board are fixed by using screws to stably install the power management chip and the circuit board;

according to the scheme, the pins of the power management chip are fixedly connected with the circuit board in a mechanical fixing mode, so that the pins and the circuit board do not need to be welded and fixed, the physical and mental health of workers is protected, and meanwhile, the convenience in operation is improved.

Drawings

FIG. 1 is an isometric view of a power management chip with a locating structure of the present invention;

FIG. 2 is a schematic diagram of a connection structure of a first strip block and a pressing mechanism of a power management chip with a positioning structure according to the present invention;

fig. 3 is a schematic diagram of a connection structure of the second screw, the ring member and the pressing plate of the power management chip with the positioning structure according to the present invention.

In the figure: briquetting 1, first screw rod 2, power management chip body 3, double-screw bolt 4, first rectangular piece 5, second screw rod 6, first screw 7, slide bar 8, pipe fitting 9, screwed pipe 10, bottom plate 11, frock hole 12, dead lever 13, second rectangular piece 14, clamp plate 15, second screw 16, fixed pipe 17, fastener 18, ring spare 19.

Detailed Description

The following description is presented to disclose the utility model so as to enable any person skilled in the art to practice the utility model. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.

As shown in fig. 1-3, the power management chip with the positioning structure includes a power management chip body 3, a bottom plate 11 is bonded to the bottom of the power management chip body 3, a plurality of tool holes 12 are formed in the surface of the bottom plate 11, the number of the tool holes 12 is at least four, and the four tool holes 12 are distributed at four corners of the top of the bottom plate 11. When the position of the bottom plate 11 is fixed, only screws are required to pass through the tooling holes 12 and be installed in the preset screw holes on the circuit board in a threaded manner, and the position between the bottom plate 11 and the circuit board is fixed, so that the stability of the position where the power management chip is located is improved.

The top of the bottom plate 11 is welded with two first screw rods 2, the two first screw rods 2 are symmetrically distributed on two sides of the power management chip body 3, a pressing block 1 is slidably sleeved between the top ends of the two first screw rods 2, screw tubes 10 are respectively and threadedly sleeved on the top ends of the two first screw rods 2, the bottoms of the two screw tubes 10 are contacted with the top of the pressing block 1, the bottom of the pressing block 1 is contacted with the top of the power management chip body 3, first strip blocks 5 which are arranged in parallel are respectively arranged on two sides of the pressing block 1, the two first strip blocks 5 correspond to two rows of pin positions of the power management chip body 3, after the bottom plate 11 and the circuit board are fixedly connected, the pressing block 1 can be sleeved on the surfaces of the two first screw rods 2, the two screw tubes 10 are threadedly sleeved on the top ends of the two first screw rods 2 and used for tightly pressing the two screw tubes 10 on the pressing block 1, so that the pressing block 1 presses the power management chip on the surface of the bottom plate 11, the stability of the position of the power management chip is improved.

Connect through adjustment mechanism between two first rectangular pieces 5 and the briquetting 1, adjustment mechanism includes pipe fitting 9, the one end of pipe fitting 9 is passed through the mounting screw in the side of briquetting 1, the other end of pipe fitting 9 slides and pegs graft and has slide bar 8, a plurality of first screws 7 have been seted up on the surface of slide bar 8, the third screw has been seted up to the one end of pipe fitting 9, the position of third screw and a plurality of first screws 7 corresponds, the internal thread of third screw pegs graft and has double-screw bolt 4, the inside at first screw 7 is installed to the one end screw thread of double-screw bolt 4, the side at first rectangular piece 5 is passed through the mounting screw to the one end of slide bar 8. Because the sizes of different types of power management chips are different, the distance between two rows of pins of the power management chip is also different, when the pressing mechanism can press and fasten the pins with different distances, only the stud 4 needs to be rotated out from the internal threads of the third screw hole and the first screw hole 7, then the sliding rod 8 is pulled to slide in the pipe fitting 9, the sliding rod 8 can conveniently push the first long block 5 to synchronously move, the first long block 5 drives the pressing mechanism to move towards the pins of the power management chip, the sliding rod 8 can be stopped moving after the positions of the clamping pieces 18 and the pins correspond, finally, the stud 4 is installed in the third screw hole and the first screw hole 7 in a threaded mode and used for fixing the positions of the sliding rod 8 and the pipe fitting 9, and the stability of the position where the clamping piece 18 is located is improved.

A pressing mechanism is arranged between the two first long blocks 5 and the two rows of pins. The pressing mechanism comprises a second screw hole 16, the second screw hole 16 is formed in the top of the first long block 5, a second screw rod 6 is inserted into the inner thread of the second screw hole 16, a pressing plate 15 is movably sleeved at the bottom end of the second screw rod 6, a circular ring piece 19 is fixedly sleeved on the surface of the second screw rod 6, the surfaces of the two circular ring pieces 19 are respectively contacted with the top and the bottom of the pressing plate 15, a second long block 14 is installed at one end of the pressing plate 15 through a screw, the second long block 14 and the first long block 5 are arranged in parallel, a plurality of clamping pieces 18 are installed at the bottom of the second long block 14 through screws, and the clamping pieces 18 are respectively sleeved on the surfaces of the pins. The clamping pieces 18 are at least four, the four clamping pieces 18 are arranged at equal intervals, and the clamping pieces 18 are concave. The dead lever 13 is all installed through the screw at the both ends of second rectangular piece 14, and the top of two dead levers 13 all slides the cover and is equipped with fixed pipe 17, and the bottom at first rectangular piece 5 is all installed through the screw to the one end of two fixed pipes 17. When the pin and the circuit board are fixedly connected, only the second screw 6 needs to be rotated, the second screw 6 rotates in a second screw hole 16 in a threaded manner, meanwhile, the second screw 6 moves downwards in the second screw hole 16, the second screw 6 drives the ring piece 19 to synchronously rotate and move downwards, the ring piece 19 above the pressing plate 15 pushes the pressing plate 15, the pressing plate 15 pushes the second strip block 14 to move downwards after being stressed, the second strip block 14 drives the plurality of clamping pieces 18 to be sleeved on the surface of the pin, the clamping pieces 18 are pressed on the top of the pin, and the bottom end of the stressed pin is stably contacted with the position of the circuit board.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The power management chip with the positioning structure comprises a power management chip body (3) and is characterized in that a bottom plate (11) is bonded to the bottom of the power management chip body (3), two first screw rods (2) are welded to the top of the bottom plate (11), the two first screw rods (2) are symmetrically distributed on two sides of the power management chip body (3), a pressing block (1) is slidably sleeved between the top ends of the two first screw rods (2), spiral pipes (10) are screwed on the top ends of the two first screw rods (2), the bottoms of the two spiral pipes (10) are in contact with the top of the pressing block (1), the bottom of the pressing block (1) is in contact with the top of the power management chip body (3), first strip blocks (5) which are arranged in parallel are arranged on two sides of the pressing block (1), the two first strip blocks (5) correspond to two rows of pin positions of the power management chip body (3), the two first long blocks (5) are connected with the pressing block (1) through an adjusting mechanism, and a pressing mechanism is arranged between the two first long blocks (5) and the two rows of pins.

2. The power management chip with the positioning structure as claimed in claim 1, wherein the adjusting mechanism comprises a pipe (9), one end of the pipe (9) is mounted on the side surface of the pressing block (1) through a screw, the other end of the pipe (9) is slidably inserted with a sliding rod (8), the surface of the sliding rod (8) is provided with a plurality of first screw holes (7), one end of the pipe (9) is provided with a third screw hole, the third screw hole corresponds to the first screw holes (7), the internal thread of the third screw hole is inserted with a stud (4), one end of the stud (4) is mounted inside the first screw hole (7), and one end of the sliding rod (8) is mounted on the side surface of the first long block (5) through a screw.

3. The power management chip with positioning structure of claim 1, the pressing mechanism comprises a second screw hole (16), the second screw hole (16) is formed in the top of the first strip block (5), a second screw rod (6) is inserted into the inner thread of the second screw hole (16), a pressing plate (15) is movably sleeved at the bottom end of the second screw rod (6), the surface of the second screw (6) is fixedly sleeved with circular ring members (19), the surfaces of the two circular ring members (19) are respectively contacted with the top and the bottom of the pressure plate (15), one end of the pressure plate (15) is provided with a second strip block (14) through a screw, the second long block (14) and the first long block (5) are arranged in parallel, a plurality of clamping pieces (18) are mounted at the bottom of the second long block (14) through screws, and the clamping pieces (18) are respectively sleeved on the surfaces of the pins.

4. The power management chip with the positioning structure according to claim 3, wherein there are at least four of the clips (18), four of the clips (18) are arranged at equal intervals, and the clips (18) are concave.

5. The power management chip with the positioning structure as claimed in claim 3, wherein the two ends of the second strip block (14) are both provided with fixing rods (13) by screws, the top ends of the two fixing rods (13) are both slidably sleeved with fixing tubes (17), and one ends of the two fixing tubes (17) are both mounted at the bottom of the first strip block (5) by screws.

6. The power management chip with the positioning structure as claimed in claim 1, wherein a plurality of tool holes (12) are formed in the surface of the bottom plate (11), at least four tool holes (12) are formed in the surface of the bottom plate, and four tool holes (12) are distributed at four corners of the top of the bottom plate (11).