CN219094954U

CN219094954U - Frock clamp of DC/DC converter installation

Info

Publication number: CN219094954U
Application number: CN202223504497.XU
Authority: CN
Inventors: 张景皓; 冯亚飞; 杨凌峰; 许杨杨; 王志浩; 梁磊; 徐佳; 方志伦
Original assignee: Suzhou Huanbang Detection Technology Co ltd
Current assignee: Suzhou Huanbang Detection Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-30
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a fixture for mounting a DC/DC converter, which comprises a vibrating table, wherein the upper surface of the vibrating table is abutted against a box body, a clamping mechanism is arranged in the box body, a mounting mechanism is arranged in the vibrating table, the clamping mechanism comprises a motor fixed on the lower surface of an inner cavity of the box body, an output shaft of the motor is fixedly provided with a rotating rod, the outer surface of the rotating rod is fixedly provided with a first bevel gear, the clamping mechanism further comprises two first threaded rods which are rotatably connected to the left side and the right side of the inner cavity of the box body through bearing seats, and two second bevel gears are fixed on the opposite sides of the two first threaded rods. This frock clamp of DC/DC converter installation, through the fixture that sets up, the motor drives bull stick and first bevel gear rotation to drive second bevel gear and first threaded rod and rotate together, two first threaded rod rotations make two movable blocks relative movement, and the movable block passes through the connecting rod and drives the clamp splice and remove, and is fixed to the converter, convenient operation, fixed effectual.

Description

Frock clamp of DC/DC converter installation

Technical Field

The utility model relates to the technical field of DC/DC converters, in particular to a fixture for mounting a DC/DC converter.

Background

The DC/DC converter is a switching power supply chip, and uses the energy storage characteristics of a capacitor and an inductor to perform high-frequency switching through a controllable switch (MOSFET, etc.), so that input electric energy is stored in the capacitor (inductor), when the switch is turned off, the electric energy is released to a load again, and energy is provided, and the output power or voltage capacity is related to the duty ratio (the ratio of the on time of the switch to the period of the whole switch), so that the switching power supply can be used for boosting and reducing voltage.

For example, chinese patent (publication number: CN 206930725U) discloses a tester for DC-DC converter of electric vehicle, which can test the DC/DC power converter of electric vehicle with output voltage of 12V or 24V and output current of 0-30A, and can adjust the resistance value of load resistor according to the specification of the tested converter to achieve the purpose of making the converter output maximum current, and can conveniently see the actual output current and output voltage of the tested converter through voltmeter and ammeter on the tester panel, and can also test the change of output voltage of the converter when no-load and load respectively through load switch.

The electric vehicle DC-DC converter tester has the defect of moving, and because the DC/DC converter is tested, the tester needs to be placed on the vibrating table, if the tester is not fixed, the DC/DC converter is easy to move during testing on the vibrating table, and the accuracy of the testing is affected, so that a fixture clamp for mounting the DC/DC converter is provided to solve the problems.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a fixture for installing a DC/DC converter, which has the advantages of convenient installation and the like, and solves the problem of inconvenient installation of the traditional DC/DC converter.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fixture for mounting the DC/DC converter comprises a vibrating table, wherein the upper surface of the vibrating table is abutted to a box body, a clamping mechanism is arranged in the box body, and a mounting mechanism is arranged in the vibrating table;

the clamping mechanism comprises a motor fixed on the lower surface of the inner cavity of the box body, a rotating rod is fixed on an output shaft of the motor, a first bevel gear is fixed on the outer surface of the rotating rod, the clamping mechanism further comprises two first threaded rods which are rotationally connected to the left side and the right side of the inner cavity of the box body through bearing seats, second bevel gears are fixed on the opposite sides of the first threaded rods, moving blocks are connected to the outer surface threads of the first threaded rods, connecting rods are fixed on the opposite sides of the moving blocks, and clamping blocks are fixed on the opposite sides of the connecting rods.

Further, the upper surface of bull stick passes through the bearing frame rotation to be connected to the upper surface of box inner chamber, first bevel gear meshes with the second bevel gear.

Further, the lower surface of movable block is fixed with T shape piece, two T shape grooves have been seted up to the lower surface of box inner chamber, T shape piece sliding connection is in the inside in T shape groove.

Further, the upper surface of box inner chamber is fixed with two baffles, the commentaries on classics hole has been seted up in the left side of baffle, first threaded rod passes through the bearing and rotates the inside of being connected in changeing the hole.

Further, the installation mechanism comprises two clamping grooves formed in the upper surface of the vibrating table and two clamping blocks fixed on the lower surface of the box body, the installation mechanism further comprises two cavities formed in the vibrating table and two threaded holes formed in the left side and the right side of the vibrating table, the internal threads of the threaded holes are connected with second threaded rods, two opposite sides of the second threaded rods are respectively connected with a movable plate through bearing seat rotation, and two opposite sides of the movable plates are respectively fixed with two clamping rods.

Further, fixture block sliding connection is in the inside of draw-in groove, two the second threaded rod is all fixed with rotatory handle in one side that is opposite to each other.

Further, two sliding rods are fixed between the left side and the right side of the cavity inner cavity, and the moving plate is connected to the outer surfaces of the two sliding rods in a sliding mode.

Further, two clamping holes are formed in the left side of the clamping block, and the clamping rod is connected to the inside of the clamping holes in a sliding mode.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this frock clamp of DC/DC converter installation, through the fixture that sets up, the motor drives bull stick and first bevel gear rotation to drive second bevel gear and first threaded rod and rotate together, two first threaded rod rotations make two movable blocks relative movement, and the movable block passes through the connecting rod and drives the clamp splice and remove, and is fixed to the converter, convenient operation, fixed effectual.

2. This frock clamp of DC/DC converter installation, in the draw-in groove was gone into to the fixture block card through the installation mechanism that sets up, rotated rotatory handle, the second threaded rod is rotatory to drive movable plate and draw-in bar and remove together, the draw-in bar card is gone into in the draw-in hole, fixes fixture block and box, conveniently installs fixedly the box.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1 vibration table, 2 installation mechanism, 201 fixture block, 202 draw-in groove, 203 cavity, 204 screw hole, 205 second threaded rod, 206 movable plate, 207 clamping rod, 3 box, 4 fixture, 401 motor, 402 bull stick, 403 first bevel gear, 404 first threaded rod, 405 second bevel gear, 406 movable block, 407 connecting rod, 408 clamp splice.

Detailed Description

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

Referring to fig. 1, a fixture for installing a DC/DC converter in this embodiment includes a vibration table 1, a case 3 abutting against an upper surface of the vibration table 1, a clamping mechanism 4 provided inside the case 3 for fixing the converter, and an installation mechanism 2 provided inside the vibration table 1 for installing the case 3.

In the second embodiment, referring to fig. 2, for convenience in fixing the converter, in this embodiment, the clamping mechanism 4 includes a motor 401 fixed on the lower surface of the inner cavity of the casing 3, an output shaft of the motor 401 is fixed with a rotating rod 402, an outer surface of the rotating rod 402 is fixed with a first bevel gear 403, the clamping mechanism 4 further includes two first threaded rods 404 rotatably connected to left and right sides of the inner cavity of the casing 3 through bearing seats, opposite sides of the two first threaded rods 404 are respectively fixed with a second bevel gear 405, the first bevel gear 403 is meshed with the second bevel gear 405, the second bevel gear 405 is driven to rotate by the rotation of the first bevel gear 403, a moving block 406 is connected to an outer surface thread of the first threaded rod 404, the moving block 406 is driven to move by the rotation of the first threaded rod 404, opposite sides of the two moving blocks 406 are respectively fixed with a connecting rod 407, and opposite sides of the two connecting rods 407 are respectively fixed with a clamping block 408 for clamping and fixing the converter.

Wherein, the upper surface of the rotating rod 402 is rotationally connected with the upper surface of the inner cavity of the box body 3 through a bearing seat, the stability of the rotating rod 402 during rotation is increased, the lower surface of the moving block 406 is fixedly provided with a T-shaped block, the lower surface of the inner cavity of the box body 3 is provided with two T-shaped grooves, the T-shaped block is slidingly connected with the inside of the T-shaped groove, the stability of the moving block 406 during movement is increased, the moving block 406 is prevented from rotating along with the first threaded rod 404,

in addition, two baffles are fixed on the upper surface of the inner cavity of the box body 3, a rotating hole is formed in the left side of the baffles, the first threaded rod 404 is rotationally connected to the inside of the rotating hole through a bearing, and stability of the first threaded rod 404 during rotation is improved.

In the clamping mechanism 4 in the embodiment, the motor 401 drives the rotating rod 402 and the first bevel gear 403 to rotate, and drives the second bevel gear 405 and the first threaded rod 404 to rotate together, the two first threaded rods 404 rotate to enable the two moving blocks 406 to move relatively, and the moving blocks 406 drive the clamping blocks 408 to move through the connecting rods 407 to fix the converter.

Referring to fig. 3, for convenience in installing the case 3, the installation mechanism 2 in this embodiment includes two clamping grooves 202 formed on the upper surface of the vibration table 1 and two clamping blocks 201 fixed on the lower surface of the case 3, the installation mechanism 2 further includes two cavities 203 formed inside the vibration table 1 and two threaded holes 204 formed on the left and right sides of the vibration table 1, the internal threads of the threaded holes 204 are connected with second threaded rods 205, two opposite sides of the two second threaded rods 205 are respectively connected with a moving plate 206 through bearing blocks in a rotating manner, and the moving plates 206 are driven to move through the rotation of the second threaded rods 205, and two clamping rods 207 are respectively fixed on opposite sides of the two moving plates 206.

Wherein, the clamping block 201 is slidably connected in the clamping groove 202, so as to conveniently limit the position of the box 3, one side of the two second threaded rods 205 opposite to each other is fixed with a rotary handle, so as to conveniently rotate the second threaded rods 205,

in addition, two sliding bars are fixed between the left and right sides of the inner cavity of the cavity 203, the moving plate 206 is slidably connected to the outer surfaces of the two sliding bars, so that stability of the moving plate 206 during moving is improved, two clamping holes are formed in the left side of the clamping block 201, and the clamping bar 207 is slidably connected to the inside of the clamping holes and used for fixing the clamping block 201 and the box 3.

In the installation mechanism 2 in the embodiment, the clamping block 201 is clamped into the clamping groove 202, the rotary handle is rotated, the second threaded rod 205 is rotated, the moving plate 206 and the clamping rod 207 are driven to move together, and the clamping rod 207 is clamped into the clamping hole to fix the clamping block 201 and the box 3.

The working principle of the embodiment is as follows:

(1) After the converter is placed on the upper surface of the box body 3, the motor 401 is started, the motor 401 drives the rotating rod 402 to rotate, the first bevel gear 403 is driven to rotate through the rotating rod 402, when the first bevel gear 403 rotates, the two second bevel gears 405 are driven to simultaneously reversely rotate, the first threaded rod 404 is driven to rotate through the second bevel gears 405, when the two first threaded rods 404 rotate, the two moving blocks 406 are driven to simultaneously and relatively move, when the moving blocks 406 move, the T-shaped blocks are driven to slide in the T-shaped grooves, stability of the moving blocks 406 during movement is improved, when the moving blocks 406 move, the clamping blocks 408 are driven to move together through the connecting rods 407, and the converter is fixed through the clamping blocks 408.

(2) After the clamping block 201 is clamped into the clamping groove 202, the rotary handle is rotated, the rotary handle drives the second threaded rod 205 to rotate in the threaded hole 204, the moving plate 206 and the clamping rod 207 are driven to move together through the second threaded rod 205, the moving plate 206 slides on the outer surface of the sliding rod, the stability of the moving plate 206 during movement is improved, the clamping rod 207 is clamped into the clamping hole during movement, and the clamping block 201 and the box 3 are fixed.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 frock clamp of DC/DC converter installation, includes shaking table (1), its characterized in that: the upper surface of the vibrating table (1) is abutted with a box body (3), a clamping mechanism (4) is arranged in the box body (3), and an installation mechanism (2) is arranged in the vibrating table (1);

the clamping mechanism (4) comprises a motor (401) fixed on the lower surface of an inner cavity of the box body (3), a rotating rod (402) is fixed on an output shaft of the motor (401), a first bevel gear (403) is fixed on the outer surface of the rotating rod (402), the clamping mechanism (4) further comprises two first threaded rods (404) connected to the left side and the right side of the inner cavity of the box body (3) through bearing seats in a rotating mode, two second bevel gears (405) are fixed on opposite sides of the first threaded rods (404), a moving block (406) is connected to the outer surface of the first threaded rods (404) in a threaded mode, connecting rods (407) are fixed on opposite sides of the moving block (406), and clamping blocks (408) are fixed on opposite sides of the connecting rods (407).

2. The fixture for installing a DC/DC converter according to claim 1, wherein: the upper surface of the rotating rod (402) is rotatably connected to the upper surface of the inner cavity of the box body (3) through a bearing seat, and the first bevel gear (403) is meshed with the second bevel gear (405).

3. The fixture for installing a DC/DC converter according to claim 1, wherein: the lower surface of the moving block (406) is fixedly provided with a T-shaped block, the lower surface of the inner cavity of the box body (3) is provided with two T-shaped grooves, and the T-shaped block is slidably connected to the inside of the T-shaped grooves.

4. The fixture for installing a DC/DC converter according to claim 1, wherein: the upper surface of box (3) inner chamber is fixed with two baffles, the commentaries on classics hole has been seted up in the left side of baffle, first threaded rod (404) are rotated through the bearing and are connected in the inside of changeing the hole.

5. The fixture for installing a DC/DC converter according to claim 1, wherein: the mounting mechanism (2) comprises two clamping grooves (202) formed in the upper surface of the vibrating table (1) and two clamping blocks (201) fixed on the lower surface of the box body (3), the mounting mechanism (2) further comprises two cavities (203) formed in the vibrating table (1) and two threaded holes (204) formed in the left side and the right side of the vibrating table (1), the internal threads of the threaded holes (204) are connected with second threaded rods (205), two opposite sides of the second threaded rods (205) are respectively connected with a movable plate (206) through bearing seat rotation, and two opposite sides of the movable plates (206) are respectively fixedly provided with two clamping rods (207).

6. The fixture for installing a DC/DC converter according to claim 5, wherein: the clamping blocks (201) are slidably connected to the inside of the clamping grooves (202), and rotary handles are fixed to one sides of the two second threaded rods (205) opposite to each other.

7. The fixture for installing a DC/DC converter according to claim 5, wherein: two sliding rods are fixed between the left side and the right side of the inner cavity of the cavity (203), and the moving plate (206) is connected to the outer surfaces of the two sliding rods in a sliding mode.

8. The fixture for installing a DC/DC converter according to claim 5, wherein: two clamping holes are formed in the left side of the clamping block (201), and the clamping rod (207) is connected to the inside of the clamping holes in a sliding mode.