CN114516003B

CN114516003B - Mounting tool for field effect tube

Info

Publication number: CN114516003B
Application number: CN202210104060.2A
Authority: CN
Inventors: 郑丽芳
Original assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Current assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Priority date: 2022-01-27
Filing date: 2022-01-27
Publication date: 2023-08-15
Anticipated expiration: 2042-01-27
Also published as: CN114516003A

Abstract

The invention discloses a field effect tube mounting tool which is used for mounting a field effect tube on a shell through a screw, and comprises a mounting seat, a positioning plate and a pressing component, wherein the upper end of the mounting seat is provided with a mounting groove, the mounting groove is used for the shell to be arranged, the positioning plate is arranged at the upper end of the mounting seat, the positioning plate is provided with a first abdication hole for the field effect tube to pass through, the pressing component comprises a cover plate arranged above the positioning plate, one end of the cover plate is rotatably mounted on the mounting seat along an axis extending in the horizontal direction, the other end of the cover plate forms a pressing part, the pressing part is penetrated with a second abdication hole, the lower end of the pressing part is provided with a pressing part, and the pressing part can move downwards in the movable stroke of the pressing part so as to drive the pressing part to press the field effect tube to be matched with the shell, and the screw downwards penetrates through the second abdication hole and the first abdication hole in sequence so as to fix the field effect tube on the shell.

Description

Mounting tool for field effect tube

Technical Field

The invention relates to the technical field of field effect tube installation, in particular to a field effect tube installation tool.

Background

At present, a Metal-Oxide-Semiconductor Field-Effect Transistor (MOS tube) module is usually mounted on a shell after being inserted and mounted on a printed circuit board assembly (Printed Circuit Board Assembly, PCBA) for welding, and the method can efficiently complete welding and assembly of the MOS tube block, however, the distance between the MOS tube module and a radiator has a requirement, namely the height requirement of the MOS tube module and the PCBA. If the height is higher, the MOS tube module can be damaged due to interference when the radiator is assembled; if the height is lower, after the radiator is assembled, the MOS tube module and the heat conduction silicone grease of the radiator cannot be fully contacted, namely the radiator fails, the controller stops working, and therefore, some manufacturers firstly lock the MOS tube on the shell and then insert the MOS tube on the PCBA for welding, so that the MOS tube module and the heat conduction silicone grease of the shell are fully contacted. However, this kind of mode is usually assembled by hand, before the MOS pipe module lock is paid in the casing, can scribble the heat conduction glue in the casing, then operating personnel presses the MOS pipe and presses to make the heat conduction glue evenly distributed, and at last operating personnel is manual to the screw hole position after, locking screw again, and complex operation and consuming time are longer.

Disclosure of Invention

The invention mainly aims to provide a field effect tube mounting tool, which aims to solve the problems of complicated and long time consumption of the conventional field effect tube.

In order to achieve the above object, the present invention provides a field effect tube mounting tool for mounting a field effect tube on a housing by a screw, wherein the field effect tube mounting tool comprises:

the upper end of the mounting seat is provided with a mounting groove which is used for the housing to be arranged;

the positioning plate is arranged at the upper end of the mounting seat and is provided with a first abdication hole for the field effect tube to pass through; the method comprises the steps of,

the pressing component comprises a cover plate arranged above the positioning plate, one end of the cover plate is rotatably arranged on the mounting seat along an axis extending in the horizontal direction, the other end of the cover plate forms a pressing part, the pressing part is penetrated with a second abdicating hole, and the lower end of the pressing part is provided with a propping part;

in the movable stroke of the pressing part, the pressing part can move downwards to drive the abutting part to abut against the field effect tube until the field effect tube is matched with the shell;

and the screw downwards penetrates through the second abdicating hole and the first abdicating hole in sequence so as to fix the field effect tube to the shell.

Optionally, the abutting part comprises a pressing block movably mounted on the pressing part along the upper and lower directions.

Optionally, the field effect tube mounting fixture further includes an elastic pressing structure, and the elastic pressing structure includes:

the fixed block is arranged on the pressing part and is provided with a containing groove, and the pressing block is movably arranged in the containing groove along the up-down direction; the method comprises the steps of,

the first elastic piece is arranged between the bottom wall of the accommodating groove and the pressing block.

Optionally, the fixing block is detachably mounted on the pressing part.

Optionally, the pressing block, the accommodating groove and the first elastic piece are in one-to-one correspondence and are in pressing and holding groups, the pressing and holding groups are multiple, and the pressing and holding groups are arranged on the fixed block at intervals.

Optionally, the housing is provided with a plurality of first positioning holes, and the mounting seat is provided with a plurality of first positioning pins corresponding to the plurality of first positioning holes; and/or the number of the groups of groups,

the shell is provided with a plurality of second locating pins, and the locating plate is provided with a plurality of second locating holes corresponding to the second locating pins.

Optionally, the pressing assembly further includes:

the rotating shaft is rotatably arranged on the mounting seat along the horizontal axis, and one end of the cover plate is connected with the rotating shaft; the method comprises the steps of,

the locking connection structure is arranged between the mounting seat and the cover plate and is used for fixing the cover plate to the mounting seat.

Optionally, a clamping groove is formed in the side end of the cover plate, and the side wall of the clamping groove is communicated with the side end of the cover plate;

each of the locking connection structures includes:

the support block is arranged on the mounting seat;

the lower end of the lock catch is rotatably arranged on the supporting block through the mounting shaft, the upper end of the lock catch forms a buckling part, and the buckling part is provided with a locking position; the method comprises the steps of,

the torsion spring is sleeved on the mounting shaft;

the locking part is correspondingly arranged at the locking position of the buckling part, and the buckling part is buckled in the clamping groove.

Optionally, the cover plate includes:

the cover body is provided with an observation port, and the observation port is arranged corresponding to the first abdication hole; the method comprises the steps of,

the observation cover is arranged at the observation port and is made of transparent materials;

wherein, the pressure portion is located the observation lid.

Optionally, the field effect tube mounting fixture further comprises a plurality of silica gel pads arranged at the lower end of the mounting seat, and the plurality of silica gel pads are distributed along the circumferential direction of the mounting seat at intervals.

According to the technical scheme, the shell is quickly installed on the positioning seat through the installation groove, the installation position of the field effect tube is positioned on the shell through the first yielding hole on the positioning plate, the shell and the field effect tube are simultaneously fixed on the installation seat through the cover plate downwards, and meanwhile, the screw installation position is positioned through the second yielding hole on the cover plate, so that the shell and the field effect tube are fixed through the field effect tube installation tool, the installation position of the screw is quickly positioned through the first yielding hole and the second yielding hole which are sequentially reduced from bottom to top, tedious alignment is avoided, and the quick installation of the field effect tube on the shell is facilitated.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of an embodiment of a field effect tube mounting tool according to the present invention;

FIG. 2 is a schematic diagram of a partially exploded structure of the FET mounting fixture of FIG. 1;

FIG. 3 is a schematic side view of the field effect tube mounting tool of FIG. 1;

FIG. 4 is a schematic perspective view of the positioning plate in FIG. 1;

fig. 5 is a schematic perspective view of the mounting base in fig. 1.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the case where a directional instruction is involved in the embodiment of the present invention, the directional instruction is merely used to explain the relative positional relationship, movement condition, etc. between the components in a specific posture, and if the specific posture is changed, the directional instruction is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

In view of the above, the invention provides a field effect tube mounting tool, which is used for mounting a field effect tube on a shell through a screw, and aims to solve the problems of complicated and long time consumption of the conventional field effect tube. Fig. 1 to 5 are schematic structural diagrams of an embodiment of a field effect tube mounting tool provided by the present invention.

Referring to fig. 1 to 3, the field effect tube mounting fixture 100 includes a mounting base 1, a positioning plate 2 and a pressing component 3, a mounting groove 11 is disposed at an upper end of the mounting base 1, the mounting groove 11 is used for the housing 200 to be disposed, the positioning plate 2 is disposed at an upper end of the mounting base 1, the positioning plate 2 is provided with a first yielding hole 21 for the field effect tube 300 to pass through, the pressing component 3 includes a cover plate 31 disposed above the positioning plate 2, one end of the cover plate 31 is rotatably mounted on the mounting base 1 along an axis extending in a horizontal direction, the other end forms a pressing portion, the pressing portion is penetrated with a second yielding hole 313, and a pressing portion is disposed at a lower end of the pressing portion, wherein in a movable stroke of the pressing portion, the pressing portion can move downward to drive the pressing portion to press the field effect tube 300 to cooperate with the housing 200, and the screw 400 is sequentially lowered to the second yielding hole 313 and the first yielding hole 21 to fix the field effect tube 300 to the housing 200.

In the technical solution of the present invention, the mounting groove 11 is used to quickly mount the housing 200 on the positioning seat, the first yielding hole 21 on the positioning plate 2 is used to position the mounting position of the fet 300 on the housing 200, the cover plate 31 is used to fix the housing 200 and the fet 300 on the mounting seat 1 at the same time, and the second yielding hole 313 on the cover plate 31 is used to position the mounting position of the screw 400, so that the housing 200 and the fet 300 are fixed by the fet mounting fixture 100, and the mounting position of the screw 400 is quickly positioned by the first yielding hole 21 and the second yielding hole 313 which are sequentially reduced from bottom to top, so as to avoid complicated alignment, and thus facilitate quick mounting of the fet 300 on the housing 200.

Further, since the heat-dissipating glue is filled between the housing 200 and the fet 300, and since the glass beads and the housing 200 in the heat-dissipating glue are rigid members, the fet 300 is easily damaged when the pressure of the abutting portion is slightly abnormal, and for this purpose, in this embodiment, the abutting portion includes the pressing block 32 movably mounted on the pressing portion along the up and down direction, so that the pressing block 32 can elastically abut against the fet 300, so that the pressing block 32 is prevented from rigidly abutting against the fet 300, and the fet 300 is prevented from being damaged. Further, in order to avoid the generation of static electricity, the pressing block 32 is made of an antistatic material.

Further, the field pressing assembly 3 further includes an elastic pressing structure 34, the elastic pressing structure 34 includes a fixed block 341 and a first elastic member 342, the fixed block 341 is disposed on the pressing portion, the fixed block 341 is provided with a containing groove, the pressing block 32 is movably mounted in the containing groove along an up-down direction, and the first elastic member 342 is disposed between a bottom wall of the containing groove and the pressing block 32, so that the first elastic member 342 is mounted through the containing groove, so that the pressing block 32 is pressed by the first elastic member 342, and the pressing block 32 elastically abuts against the field effect tube 300. Further, in order to prevent the pressing block 32 from sliding out of the accommodating groove, a limit rib is arranged on the inner wall of the accommodating groove, and correspondingly, a matching protrusion is arranged on the outer periphery side of the pressing block 32. It is understood that the first elastic member 342 may be a spring, rubber, or the like.

Further, the fixed block 341 is detachably mounted at the lower end of the holding section, so that a detachable structure is adopted, the fixed block 341 with different thicknesses is convenient to replace according to needs, so that the distance between the pressing block 32 and the field effect tube 300 is convenient to replace according to needs, the first elastic piece 342 with different specifications is convenient to replace according to needs, so that the pressure of the pressing block 32 is adjusted, on one hand, the pressing block 32 can be prevented from being excessively high in pressure, the field effect tube 300 is prevented from being damaged, on the other hand, the pressing block 32 can be prevented from being excessively low in pressure, and the heat dissipation glue between the field effect tube 300 and the housing 200 is unevenly extruded, so that heat dissipation failure is caused.

It will be appreciated that the detachable connection structure may be a plurality of types, and may be a bolt connection structure, a buckle connection structure, or the like, which is not limited in the present invention.

Further, the pressing blocks 32, the accommodating grooves and the first elastic members 342 are in one-to-one correspondence to form pressing groups, the pressing groups are multiple, the pressing groups are arranged at intervals and are arranged on the fixed block 341, and the pressing blocks 32 are arranged so as to simultaneously press multiple positions of the field effect tube 300, so that heat dissipation glue is uniformly distributed between the housing 200 and the field effect tube 300.

In order to rapidly mount the housing 200 on the mounting base 1, in this embodiment, the housing 200 is provided with a plurality of first positioning holes, the mounting base 1 is provided with a plurality of first positioning pins 12 corresponding to a plurality of first positioning holes, and the first positioning holes and the first positioning pins 12 are matched with each other in such a manner that the housing 200 is rapidly positioned on the mounting base 1, thereby facilitating rapid mounting of the housing 200 on the mounting base 1. It should be understood that the first positioning pin 12 may be fixedly mounted on the mounting base 1, or may be detachably mounted on the mounting base 1, which is not limited in the present invention.

In order to rapidly mount the positioning plate 2 on the housing 200, in this embodiment, the housing 200 is provided with a plurality of second positioning pins 5, and the positioning plate 2 is provided with a plurality of second positioning holes corresponding to a plurality of second positioning pins 5, so that the positioning plate 2 is rapidly positioned on the housing 200 through the plurality of second positioning holes and the second positioning pins 5 which are mutually matched, thereby facilitating rapid mounting of the positioning plate 2 on the housing 200. It should be understood that the second positioning pin 5 may be fixedly mounted to the housing 200, or may be detachably mounted to the housing 200, etc., which is not limited to the present invention.

It should be noted that, the above two related technical features, the housing 200 is provided with a plurality of first positioning holes, the mounting base 1 is provided with a plurality of first positioning pins 12 corresponding to a plurality of first positioning holes, the housing 200 is provided with a plurality of second positioning pins 5, the positioning plate 2 is provided with a plurality of second positioning holes corresponding to a plurality of second positioning pins 5, and the two positioning holes can be alternatively or simultaneously set, and obviously, the setting effect is better.

In order to keep the cover plate 31 in a compressed state, referring to fig. 1 and 5, the pressing assembly 3 further includes a rotating shaft 33 and a locking connection structure 35, the rotating shaft 33 is rotatably mounted on the mounting base 1 along a horizontal axis, one end of the cover plate 31 is connected to the rotating shaft 33, the locking connection structure 35 is disposed between the mounting base 1 and the cover plate 31, so as to fix the cover plate 31 to the mounting base 1, and the locking connection structure 35 is configured to limit the movement of the cover plate 31, so as to lock and fix the cover plate 31 to the mounting base 1, thereby keeping the cover plate 31 in a compressed state, so that an operator fixes the field effect transistor 300 to the housing 200 through a screw 400.

The cover plate 31 and the rotating shaft 33 may be connected in various manners, such as fixed connection or detachable connection, and the present invention is not limited thereto.

Further, referring to fig. 2, a clamping groove is formed at a side end of the cover plate 31, the side wall of the clamping groove is communicated with the side end of the cover plate 31, each locking connection structure 35 comprises a supporting block 351, a lock catch 352 and a torsion spring, the supporting block 351 is arranged on the mounting seat 1, the lower end of the lock catch 352 is rotatably mounted on the supporting block 351 through a mounting shaft, a buckling part is formed at the upper end of the lock catch 352, the buckling part is provided with a locking position, the torsion spring is sleeved on the mounting shaft, the buckling part is correspondingly arranged in the clamping groove in a locking position of the buckling part, when the cover plate 31 needs to be fixed on the mounting seat 1, the cover plate 31 downwardly presses the lock catch 352 to enable the buckling part to leave the locking position, the cover plate 31 continues to move downwards, and the torsion spring drives the lock catch 352 to return to the locking position, so that the cover plate 31 is fixed on the fixing seat, when the cover plate 31 needs to be rotated, the lock catch 352 is manually driven to enable the buckling part to leave the locking position, and then the cover plate 31 is prevented from being damaged by the upward movement of the cover plate 31, and the pressure is prevented from being greatly limited by the movement of the cover plate 31.

It should be noted that the connection manner between the rotating shaft 33 and the cover plate 31 is various, and the rotating shaft 33 and the cover plate 31 may be fixedly connected or detachably connected, which is not limited in the present invention.

Further, in order to facilitate the rotation of the rotating shaft 33, in this embodiment, the rotating shaft 33 is rotatably mounted to the mounting base 1 through a bearing.

In order to facilitate the placement of the fet 300 into the housing 200 according to a predetermined position, specifically, referring to fig. 2 and 4, the inner sidewall of the first yielding hole 21 is provided with a protruding guiding rib 22, so that the first yielding hole 21 is adapted to the shape of the fet 300, so that the fet 300 is placed into the housing 200 according to a predetermined position.

In order to strengthen the connection between the housing 200 and the fet 300, in this embodiment, a plurality of second relief holes 313 are provided, and a plurality of second relief holes 313 are arranged at intervals on the pressing portion, so that a plurality of screws 400 can be provided by providing a plurality of second relief holes 313, thereby facilitating the firm installation of the fet 300 in the housing 200.

In order to be convenient for wear to establish screw 400, in this implementation, apron 31 includes lid body 311 and observation lid 312, lid body 311 is equipped with the viewing aperture, the viewing aperture corresponds first hole 21 that gives way sets up, observation lid 312 is located the viewing aperture, the material of observation lid 312 is transparent material, wherein, press the portion of holding to locate observation lid 312, so set up, through setting up transparent observation lid 312, the convenience can be observed at the operating personnel the condition below the apron 31 to help the installation screw 400.

In order to ensure that the mounting base 1 remains unchanged during the assembly process, in an embodiment, please refer to fig. 1 and 3, the fet mounting fixture 100 further includes a plurality of silica gel pads 354 disposed at the lower end of the mounting base 1, and the plurality of silica gel pads 354 are disposed along the circumferential direction of the mounting base 1 at intervals, so that the friction between the fet mounting fixture 100 and an external working table is improved by disposing a plurality of silica gel pads 354, so that the movement of the mounting base 1 is avoided during the assembly process.

In another embodiment, the mounting base 1 is made of metal, so that the weight of the mounting base 1 is increased, and it is ensured that the fet mounting tool 100 does not move during the assembly process.

Because the sizes of the shells 200 are different, in this embodiment, the mounting base 1 includes a base body and a mold body detachably mounted on the base body, where the base body and the mold body enclose the mounting groove 11 together, and the mounting base is configured in such a manner that the mold body is detachable, so that the mold body with different sizes can be replaced as required, and the size of the mounting groove 11 is adapted to the size of the shell 200, so that the field effect tube mounting tool 100 can adapt to the shells 200 with different sizes, thereby improving the versatility of the field effect tube mounting tool 100.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.

Claims

1. A field effect tube installation frock for pass through the screw with field effect tube and install in the casing, its characterized in that, field effect tube installation frock includes:

2. The field effect tube mounting fixture of claim 1, wherein the abutting portion comprises a press block movably mounted to the press portion along an upper and lower direction.

3. The field effect tube mounting fixture of claim 2, wherein the clamping assembly further comprises an elastic clamping structure comprising:

4. The field effect tube mounting fixture of claim 3, wherein the fixed block is detachably mounted to the press-holding portion.

5. The field effect tube mounting fixture of claim 4, wherein the pressing block, the accommodating groove and the first elastic member are in one-to-one correspondence to form a pressing group, a plurality of pressing groups are arranged, and a plurality of pressing groups are arranged on the fixed block at intervals.

6. The field effect tube mounting fixture according to claim 1, wherein the housing is provided with a plurality of first positioning holes, and the mounting seat is provided with a plurality of first positioning pins corresponding to the plurality of first positioning holes; and/or the number of the groups of groups,

7. The field effect tube mounting fixture of claim 1, wherein the press-holding assembly further comprises:

8. The field effect tube mounting fixture of claim 7, wherein a clamping groove is formed in the side end of the cover plate, and the side wall of the clamping groove is communicated with the side end of the cover plate;

each of the locking connection structures includes:

the support block is arranged on the mounting seat;

the torsion spring is sleeved on the mounting shaft;

9. The field effect tube mounting fixture of claim 1, wherein the cover plate comprises:

wherein, the pressure portion is located the observation lid.

10. The field effect tube mounting fixture of claim 1, further comprising a plurality of silicone pads disposed at a lower end of the mounting base, the plurality of silicone pads being disposed at intervals along a circumference of the mounting base.