CN216288395U

CN216288395U - Fastener for power electronic module

Info

Publication number: CN216288395U
Application number: CN202122624064.7U
Authority: CN
Inventors: 陈蕴哲
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-12
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a fastener for a power electronic module, which comprises a module, a base plate and a through hole, wherein the base plate is attached to the bottom of the module, the through hole is processed in the base plate, and an installation mechanism is fixedly connected to the lower surface of the base plate. This fastener for power electronic module, through the protective housing, the slider, the ejector pin, the cooperation of frid and fixed plate etc. is used, install whole mechanism through the mounting panel, convenient dismantlement, and then increase whole mechanism's practicality, through the bolt, the baffle, the cooperation of screw cap and swivel mount etc. is used, use bolt to run through module and through-hole, rotate the outer wall of blind nut in the swivel mount, use the screw cap to connect the bolt, and then link together backing plate and module, the setting up of four bolts increases the compactness of being connected between module and the backing plate, satisfy the user demand to the electronic module fastener in the production life greatly.

Description

Fastener for power electronic module

Technical Field

The utility model relates to the technical field of power electronic modules, in particular to a fastener for a power electronic module.

Background

The electronic circuit which can realize certain functions is made into a single whole for use, so that the electronic circuit can be called as a module, the electronic circuit is generally packaged by a small box and even sealed by glue, and of course, the electronic circuit can be not packaged by only one circuit board. 201620056119.5, the fastener of the utility model sets the connection mode of the circular pressing plate and the elastic plate with the insulating plate as clamping connection, simplifies the assembly and the positioning reliably, greatly improves the assembly efficiency of the product, and improves the market competitiveness of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fastener for a power electronic module, which aims to solve the problem that the practicability of the whole mechanism is reduced because the connected fastener is inconvenient to disassemble in the conventional fastener for the power electronic module in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a fastener for a power electronic module comprises a module, a base plate and a through hole, wherein the base plate is attached to the bottom of the module, the through hole is processed in the base plate, and an installation mechanism is fixedly connected to the lower surface of the base plate;

the mounting mechanism comprises a protective shell, a sliding block, an ejector rod, a groove plate and a fixing plate;

the upper surface of the protective shell is fixedly connected with the base plate, a sliding block is in clearance fit with the interior of the protective shell, ejector rods are fixedly connected with the outer wall of the protective shell, groove plates are in clearance fit with the outer walls of the ejector rods, the bottom ends of the groove plates are fixedly connected with the fixing plate, and the upper surface of the fixing plate is fixedly connected with the sliding block. The protective shell is clamped on the outer wall of the sliding block, and connection is facilitated.

Preferably, the push rods are symmetrically distributed about the protective shell. The setting of two ejector pins prevents that protective housing and slider from separating.

Preferably, the outer wall swing joint of fixed plate has the riser, the outer wall laminating of riser has the rubber slab, the outer wall and the protective case of rubber slab laminate mutually, the bottom rigid coupling of fixed plate has the mounting panel. The arrangement of the rubber plate increases the firmness of the vertical plate and the protective shell.

Preferably, a connecting mechanism is arranged in the through hole;

the connecting mechanism comprises a bolt, a baffle plate, a threaded cap and a rotary seat;

it is a plurality of the outer wall and the module of bolt and the equal clearance fit of through-hole, the bottom of bolt is run through the baffle and is linked to each other with the screw cap screw thread, the outer wall and the baffle clearance fit of bolt, the outer wall swing joint of baffle has the swivel mount, the top and the backing plate looks rigid coupling of swivel mount. Bolts connect the tie plate to the module.

Preferably, the bolt and the through hole form a sliding mechanism. The bolt can be detached from the through hole.

Preferably, the baffle is arranged perpendicular to the bolt. The baffle plate increases the connection tightness between the threaded cap and the bolt.

Preferably, the outer wall of the vertical plate is fixedly connected with a fixing mechanism;

the fixing mechanism comprises a cylinder, a chock block, a pull rod, a clamping plate and a spring;

the outer wall and the riser looks rigid coupling of drum, the top rigid coupling of drum has the chock, the inside clearance fit of chock has the pull rod, the outer wall rigid coupling of pull rod has the cardboard, the outer wall and the drum clearance fit of cardboard, the outer wall clearance fit of pull rod has the spring, the upper and lower both sides of spring laminate with chock and cardboard respectively mutually, the bottom of pull rod closely laminates with the inside recess of fixed plate. Conveniently fix the riser.

Preferably, the top end of the pull rod is processed into a hemispherical shape. The pull rod is convenient to pull.

Compared with the prior art, the utility model has the beneficial effects that: this fastener for power electronic module compares traditional technique, has following advantage:

the protective shell is inserted into the outer wall of the sliding block through the matching use of the protective shell, the sliding block, the ejector rod, the groove plate, the fixing plate and the like, the protective shell drives the ejector rod to be inserted into the groove plate, the vertical plate drives the rubber plate to be tightly attached to the protective shell, the pull rod is driven to move downwards under the elastic action of the spring and to be inserted into the groove of the fixing plate, the protective shell and the sliding block are connected together, the integral mechanism is installed through the mounting plate, the disassembly is convenient, and the practicability of the integral mechanism is further improved;

the bolt is used through the cooperation of bolt, baffle, screw cap and swivel mount etc. and runs through module and through-hole, rotates the baffle cover in the swivel mount and connects at the outer wall of bolt, uses the screw cap to connect the bolt, and then links together backing plate and module, and the setting up of four bolts increases the compactness of being connected between module and the backing plate, satisfies the user demand to the electronic module fastener in the production life greatly.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the connection structure between the mounting mechanism and the backing plate in FIG. 1;

FIG. 3 is a schematic view of the connection structure between the connection mechanism and the backing plate in FIG. 1;

fig. 4 is a schematic view of the connection structure of the fixing mechanism and the vertical plate in fig. 1.

In the figure: 1. the module comprises a module, 2, a backing plate, 3, a through hole, 4, an installation mechanism, 401, a protective shell, 402, a sliding block, 403, a push rod, 404, a groove plate, 405, a fixing plate, 5, a connecting mechanism, 501, a bolt, 502, a baffle, 503, a threaded cap, 504, a rotary seat, 6, a fixing mechanism, 601, a cylinder, 602, a chock block, 603, a pull rod, 604, a clamping plate, 605, a spring, 7, a vertical plate, 8, a rubber plate, 9 and an installation plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a fastener for a power electronic module comprises a module 1, a backing plate 2 and a through hole 3, wherein the backing plate 2 is attached to the bottom of the module 1, the through hole 3 is processed inside the backing plate 2, four through holes 3 are machined in a base plate 2, an installation mechanism 4 is fixedly connected to the lower surface of the base plate 2, the installation mechanism 4 comprises a protective shell 401, a sliding block 402, ejector rods 403, a groove plate 404 and a fixing plate 405, the upper surface of the protective shell 401 is fixedly connected with the base plate 2, a sliding groove is machined in the protective shell 401, the sliding block 402 is in clearance fit with the interior of the protective shell 401, the ejector rods 403 are fixedly connected to the outer wall of the protective shell 401, the groove plates 404 are in clearance fit with the outer walls of the two ejector rods 403, the bottom end of each groove plate 404 is fixedly connected with the fixing plate 405, the upper surface of the fixing plate 405 is fixedly connected with the sliding block 402, the protective shell 401 is clamped on the outer wall of the sliding block 402 and is convenient to connect, the ejector rods 403 are symmetrically distributed relative to the protective shell 401, and the protective shell 401 is prevented from being separated from the sliding block 402 due to the arrangement of the two ejector rods 403.

The outer wall swing joint of fixed plate 405 has riser 7, and riser 7 links to each other with fixed plate 405 activity through the round pin axle, and the outer wall laminating of riser 7 has rubber slab 8, and rubber slab 8's outer wall and protective case 401 laminate mutually, and the bottom rigid coupling of fixed plate 405 has mounting panel 9, and setting up of rubber slab 8 increases riser 7 and protective case 401's fastness.

Through-hole 3's internally mounted has coupling mechanism 5, coupling mechanism 5 includes bolt 501, baffle 502, screw cap 503 and swivel mount 504, four bolt 501's outer wall and module 1 and the equal clearance fit of through-hole 3, baffle 502 and screw cap 503 threaded connection are run through to bolt 501's bottom, bolt 501 links together backing plate 2 and module 1, bolt 501's outer wall and baffle 502 clearance fit, baffle 502's outer wall swing joint has swivel mount 504, baffle 502 links to each other with swivel mount 504 activity through the round pin axle, swivel mount 504's top and backing plate 2 looks rigid coupling, bolt 501 constitutes slide mechanism with through-hole 3, bolt 501 can be torn down from through-hole 3, baffle 502 sets up with bolt 501 is perpendicular, baffle 502 increases the compactness of being connected between screw cap 503 and the bolt 501.

The outer wall rigid coupling of riser 7 has fixed establishment 6, fixed establishment 6 includes drum 601, chock 602, pull rod 603, cardboard 604 and spring 605, the outer wall and the riser 7 looks rigid coupling of drum 601, the top rigid coupling of drum 601 has chock 602, the inside clearance fit of chock 602 has pull rod 603, pull rod 603 can remove in chock 602, the outer wall rigid coupling of pull rod 603 has cardboard 604, the outer wall and the drum 601 clearance fit of cardboard 604, the outer wall clearance fit of pull rod 603 has spring 605, the upper and lower both sides of spring 605 laminate with chock 602 and cardboard 604 respectively mutually, pull rod 603 drives cardboard 604 and removes and compresses spring 605, the bottom of pull rod 603 closely laminates with the inside recess of fixed plate 405, the top of pull rod 603 is processed into the hemisphere, conveniently stimulate pull rod 603.

In this example, when the module 1 is installed by using the fastening device, the module 1 is firstly placed on the upper surface of the backing plate 2, then the bolt 501 penetrates through the module 1 and the through hole 3, the baffle 503 is rotated in the rotary seat 504 to be sleeved on the outer wall of the bolt 501, the bolt 501 is connected by using the threaded cap 503, further the backing plate 2 is connected with the module 1, then the protective shell 401 is inserted into the outer wall of the sliding block 402, the protective shell 402 drives the ejector rod 403 to be inserted into the groove plate 404, the pull rod 603 is pulled in the cylinder 601, the pull rod 603 drives the clamping plate 604 to move, the spring 605 is compressed in the cylinder 601 by the clamping plate 604, then the vertical plate 7 is rotated to be parallel to the protective shell 401, the vertical plate 7 drives the rubber plate 8 to be tightly attached to the protective shell 401, the rubber plate 8 is deformed to ensure that the protective shell 401 is tightly attached to the sliding block 402, then the external force to the pull rod 603 is removed, the pull rod 603 is driven to move downwards and be inserted into the groove of the fixing plate 405 under the action of the spring 605, the casing 401 and the slider 402 are connected together, and the entire mechanism is mounted by the mounting plate 9.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fastener for power electronic module, includes module (1), backing plate (2) and through-hole (3), the bottom laminating of module (1) has backing plate (2), the inside processing of backing plate (2) has through-hole (3), its characterized in that: the lower surface of the backing plate (2) is fixedly connected with an installation mechanism (4);

the mounting mechanism (4) comprises a protective shell (401), a sliding block (402), a push rod (403), a groove plate (404) and a fixing plate (405);

the upper surface and backing plate (2) looks rigid coupling of protective housing (401), the inside clearance fit of protective housing (401) has slider (402), the outer wall rigid coupling of protective housing (401) has ejector pin (403), two the equal clearance fit of outer wall of ejector pin (403) has frid (404), the bottom and fixed plate (405) looks rigid coupling of frid (404), the upper surface and the slider (402) looks rigid coupling of fixed plate (405).

2. A fastener for a power electronic module according to claim 1, characterized in that: the push rods (403) are symmetrically distributed about the protective shell (401).

3. A fastener for a power electronic module according to claim 1, characterized in that: the outer wall swing joint of fixed plate (405) has riser (7), the outer wall laminating of riser (7) has rubber slab (8), the outer wall and the protective case (401) of rubber slab (8) are laminated mutually, the bottom rigid coupling of fixed plate (405) has mounting panel (9).

4. A fastener for a power electronic module according to claim 1, characterized in that: a connecting mechanism (5) is arranged in the through hole (3);

the connecting mechanism (5) comprises a bolt (501), a baffle plate (502), a threaded cap (503) and a rotary seat (504);

a plurality of the outer wall of bolt (501) and the equal clearance fit of module (1) and through-hole (3), baffle (502) and screw cap (503) screw thread link to each other are run through to the bottom of bolt (501), the outer wall and baffle (502) clearance fit of bolt (501), the outer wall swing joint of baffle (502) has swivel mount (504), the top and backing plate (2) looks rigid coupling of swivel mount (504).

5. A fastener for a power electronic module according to claim 4, characterized in that: the bolt (501) and the through hole (3) form a sliding mechanism.

6. A fastener for a power electronic module according to claim 4, characterized in that: the baffle plate (502) is perpendicular to the bolt (501).

7. A fastener for a power electronic module according to claim 3, characterized in that: the outer wall of the vertical plate (7) is fixedly connected with a fixing mechanism (6);

the fixing mechanism (6) comprises a cylinder (601), a chock block (602), a pull rod (603), a clamping plate (604) and a spring (605);

the outer wall and the riser (7) looks rigid coupling of drum (601), the top rigid coupling of drum (601) has chock (602), the inside clearance fit of chock (602) has pull rod (603), the outer wall rigid coupling of pull rod (603) has cardboard (604), the outer wall and drum (601) clearance fit of cardboard (604), the outer wall clearance fit of pull rod (603) has spring (605), the upper and lower both sides of spring (605) laminate with chock (602) and cardboard (604) respectively mutually, the bottom of pull rod (603) closely laminates with the inside recess of fixed plate (405).

8. A fastener for a power electronic module according to claim 7, characterized in that: the top end of the pull rod (603) is processed into a semi-sphere shape.