TWM563721U - Modular substrate fixing device - Google Patents

Abstract

The present invention relates to a modular substrate fixing device, which comprises: a plurality of fixing bases, wherein a bottom surface of the fixing base can be engaged with a plurality of the positioning protruding columns on a top surface of the combined substrate, and the top surfaces of each fixing seat are respectively set a sliding slot; a plurality of sliding members, each sliding member has a body portion, the body portion is slidably inserted into the sliding groove, and the body portion is provided with a latch portion; when the plurality of fixing seats are disposed on the top of the combined base Each of the sliding members is reciprocally displaceable in the sliding groove for adjusting the spacing of the respective latch portions so that the spacing of the latch portions matches the pitch of the screw holes of a circuit substrate, and the circuit substrate can be fixed to each of the latch portions. .

Description

Modular substrate fixing device

The present invention relates to a modular substrate fixing device, and more particularly to a modular substrate fixing device that can be used to mount a development board to a LEGO modular development kit.

Due to the widespread popularity of self-creaters, various types of developer kits such as electric vehicles, drones, and robots have appeared on the market. One of the types of opener kits incorporates LEGO toys, which can be used with LEGO toys' bottom panels, and can be fitted with various types of building blocks or LEGO toy accessories on the bottom plate, and combined into various forms, and this type of developer kit is used. The components of the motor, drive unit and battery holder are also designed to be compatible with LEGO bricks, so they can be combined and fixed on the base of Lego bricks.

Existing developer kits are often paired with Raspberry Pi or Ardunio development boards, so the circuit board of the development board must be transferred to the base of the LEGO bricks through the adapter. However, the specifications of the existing development boards are very numerous. The size of the circuit board and the position of the screw holes of each development board of different specifications are different, so when used with development boards of different specifications, the size and shape of the adapter are also Must change with the circuit board size and screw hole position of the development board, so that the single-size adapter can not be used for different specifications of the development board, so the manufacturer must design a variety of different specifications of the adapter for users The appropriate adapter can be selected according to the specifications of the development board.

Due to the above reasons, the existing developer kit production troubles, resulting in increased production costs, but also lack of flexibility. Therefore, how to solve the above problems through structural improvement has become an important issue for this undertaking. one.

The main purpose of this creation is to solve the problem that the adapter used in the existing developer kit cannot be used with various development boards, which causes difficulty in production and lacks flexibility in use.

The present invention provides a modular substrate fixing device for assembling a circuit substrate on a combined substrate. The circuit substrate has a plurality of screw perforations, and the top surface of the base is provided with a plurality of And a plurality of fixing bases, wherein the bottom surface of each of the fixing bases has a fixing card slot, and the fixing card slot can be engaged with the positioning poles And a plurality of the positioning protrusions on the top surface of the combined substrate, wherein the fixing base is positioned on a top surface of the combined substrate, and a top surface of each of the fixing bases is provided with a sliding slot, the sliding slot a side surface of the fixing seat penetrates to the other side of the fixing seat, and the sliding groove and the top surface of the base are parallel to each other; a plurality of sliding members each having a body a cross-sectional shape of the main body portion and a cross-sectional shape of the sliding groove, and can be inserted into the sliding groove and reciprocally moved along the sliding groove, and the main body portion is provided with a pin portion , the diameter of each of the latch portions a plurality of the screws of the circuit substrate are perforated and can be inserted into a plurality of the screw holes; wherein the plurality of the fixing seats can be engaged with the plurality of the positioning fixed to the base And a plurality of the sliding assemblies are slidably displaceable along the sliding groove, so that the spacing of the plurality of the latch portions can be adjusted in a direction parallel to the sliding slot for making the plurality of The pitch of the latch portion is matched with the pitch of the plurality of screw holes of the circuit substrate, so that the plurality of latch portions can be engaged in a plurality of the screw holes of the circuit substrate for using the circuit board Fixed to the top surface of the combined substrate.

A preferred embodiment of the present invention, wherein a side of the sliding slot of each of the fixing seats is further provided with at least one positioning groove, and a side surface of the body portion of the sliding member corresponds to a position setting of the positioning slot Having at least one positioning rib, at least one of said The cross-sectional shape of the rib and the shape of the at least one positioning groove cooperate with each other. When the body portion is inserted into the positioning groove, at least one of the positioning ribs is inserted into at least one of the positioning grooves.

A preferred embodiment of the present invention, wherein the sliding groove and the body portion of the slider have a semi-circular shape.

A preferred embodiment of the present invention, wherein the fixing slot of the bottom surface of the fixing base has a rectangular shape, and when the fixing base is disposed on the top surface of the combined substrate, the fixing card slot is simultaneously engaged at least The outer sides of the four positioning ribs.

A preferred embodiment of the present invention, wherein the latch portion and the body portion of the slider are disposed perpendicular to each other on a top surface of the body portion, and the latch portion has an end portion, the top of the end portion The face has a circular arc shape and is provided with a groove which is disposed on the end portion extending downward from a top end of the end portion along a central axis of the pin portion for making the end The diameter of the portion is elastically variable; the lower end of the end portion is further connected to a cylindrical portion having a diameter smaller than a diameter of the end portion.

A preferred embodiment of the present invention, wherein the latch portion is disposed at one of both ends of the body portion.

A preferred embodiment of the present invention, wherein the latch portion is disposed at a central position of a top surface of the body portion.

A preferred embodiment of the present invention, wherein the combined substrate is a LEGO toy bottom plate.

A preferred embodiment of the present invention, wherein the circuit substrate is a Raspberry Pi or Ardunio development board.

A preferred embodiment of the present invention, wherein a top surface of the fixing base is further provided with a vertical insertion hole, and a plurality of second positioning grooves are disposed at an edge of the vertical insertion hole; and a vertical adapter, the vertical The adapter can be inserted into the vertical jack, and the side of the vertical adapter is provided with a plurality of second positioning ribs corresponding to the positions of the plurality of second positioning slots, and the plurality of second positioning positions The rib can be inserted into the plurality of the second positioning grooves; the top of the vertical adapter is further provided with a screw hole, the circuit base A screw can be inserted into the screw perforation of the plate and attached to the top end of the vertical adapter through the screw.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

10‧‧‧Combined substrate

11‧‧‧Positioning studs

12‧‧‧ top surface

13‧‧‧ Wheels

14‧‧‧ drive

20‧‧‧ Fixed seat

21‧‧‧Sliding trough

22‧‧‧ positioning slot

23‧‧‧Vertical jack

24‧‧‧Second positioning slot

25‧‧‧Fixed card slot

30‧‧‧Sliding parts

31‧‧‧ Body Department

32‧‧‧ positioning ribs

33‧‧‧The Department of Latches

331‧‧‧End

332‧‧‧ slotting

333‧‧‧Cylinder

40‧‧‧ circuit board

41‧‧‧ Screw perforation

50‧‧‧Vertical adapter

51‧‧‧Second positioning rib

52‧‧‧ screw holes

FIG. 1 is an exploded perspective view of the modularized substrate fixing device of the present invention.

2 is a perspective view of a fixing base used in the creation of the modularized substrate fixing device.

FIG. 3 is a perspective view of the fixing base used in the modularized substrate fixing device taken from the bottom surface direction.

4 is a side view of the fixing base used in the modularized substrate fixing device of the present invention.

FIG. 5 is a bottom view of the fixing base used in the modularized substrate fixing device of the present invention.

FIG. 6 is a perspective view of a slider used in the creation of the modularized substrate fixing device.

FIG. 7 is a side view of the slider used in the creation of the modularized substrate fixing device.

FIG. 8 is a perspective assembled view of the sliding member used in the modularized substrate fixing device assembled on the fixing base.

Fig. 9 is a perspective view showing another embodiment of the slider used in the creation of the modularized substrate fixing device.

FIG. 10 is an exploded perspective view of the vertical adapter and the fixing seat used in the modularized substrate fixing device of the present invention.

FIG. 11 is a perspective assembled view of the modularized substrate fixing device of the present invention.

As shown in FIG. 1, the present invention provides a modular substrate fixing device for mounting a Raspberry Pi or Ardunio type development board on a LEGO combination substrate. The modular substrate fixing device of the present invention mainly includes: a plurality of fixing bases 20, a plurality of sliding members 30, and a plurality of the fixing bases 20 and the plurality of sliding members 30 for setting a circuit substrate 40 to A combination substrate 10 is provided.

As shown in FIG. 1 , the combined substrate 10 has a top surface 12 and is on the top surface 12 . A plurality of positioning studs 11 are disposed on the upper portion. A plurality of the positioning studs 11 are of a short cylindrical shape and are arranged on the top surface 12 of the combined substrate 10 in a rectangular array. The size of the combined substrate 10, as well as the diameter, height, and spacing of the positioning studs 11 disposed on the combined substrate 10 conform to the specifications of the LEGO toy substrate, so any accessory or toy combination unit that conforms to the LEGO toy specifications Both can be combined on the combined substrate 10.

For example, in the embodiment shown in FIG. 1, a circuit substrate 40 can be disposed on the combined substrate 10. The circuit substrate 40 can be a Raspberry Pi development board, or an Ardunio development board, or various and raspberry pies or Ardunio. Development board with compatible specifications. Further, four wheels 13 and a driving device 14 are combined on the combined substrate 10, so that they can be combined into a small model electric vehicle development kit. The circuit board 40 has a plurality of screw holes 41, and the plurality of the fixing bases 20 and the plurality of the sliding members 30 and the plurality of screw holes 41 on the circuit board 40 cooperate with each other to fix the circuit board 40. On the combined substrate 10.

As shown in FIG. 2 to FIG. 5, the plurality of fixing bases 20 used in the present invention are generally rectangular blocks. As shown in FIG. 5, the bottom surface of the fixing base 20 has a fixing card slot 25. In this embodiment, the fixing card slot is fixed. 25 is substantially rectangular, and the length and width of the fixing slot 25 are designed to be simultaneously engaged on the outer sides of at least four adjacent positioning posts 11 for enabling the fixing base 20 to pass through and at least four adjacent The positioning studs 11 are engaged and positioned on the top surface 12 of the composite substrate 10. The top surface of the fixing base 20 is provided with a sliding groove 21. In this embodiment, the sliding groove 21 has a semi-circular cross-sectional shape and penetrates from one side of the fixing base 20 in a direction parallel to the top surface of the combined substrate 10. The other side of the mount.

As shown in FIG. 6 and FIG. 7 , each of the sliding members 30 has a main body portion 31. The cross-sectional shape of the main body portion 31 matches the cross-sectional shape of the sliding groove 21, and is also semi-circular. It can be inserted into the sliding groove 21. The top surface of the main body portion 31 is provided with a latch portion 33 whose diameter and the screw through hole 41 of the circuit board 40 are fitted to each other to be inserted into the screw hole 41 of the circuit board 40.

As shown in FIG. 2 and FIG. 4, in the embodiment, the side surface of the sliding groove 21 on the top surface of the fixing base 20 is provided with at least one positioning groove 22, and the positioning groove 22 is an elongated groove parallel to the sliding groove 21. As shown in FIG. 6 and FIG. 7 , the side surface of the main body portion 31 of the sliding member 30 and the plurality of positioning grooves 22 are also provided with at least one positioning rib 32, and the positioning rib 32 has a cross section. The shape and position and the shape and position of the positioning groove 22 provided on the side of the sliding groove 21 cooperate with each other. Therefore, as shown in FIG. 8, when the body portion 31 of the slider 30 is inserted into the positioning groove 22, the positioning on the body portion 31 is performed. The rib 32 can also be inserted into the positioning groove 22 on the side of the sliding groove 21, so that the positioning rib 32 and the positioning groove 22 cooperate with each other, so that the body portion 31 of the slider 30 can be more stably positioned in the sliding groove 21, and The restriction main body portion 31 can only reciprocally slide in the sliding groove 21 in a direction parallel to the sliding groove 21 without being separated from the sliding groove 21 or relatively rotated with the sliding groove 21.

As shown in FIG. 6 and FIG. 7, in the embodiment, the latch portion 33 of the slider 30 is disposed on the top surface of the body portion 31 in a direction perpendicular to the main body portion 31, and the latch portion 33 is substantially cylindrical. In the shape, the end portion of the latch portion 33 has an end portion 331 whose top surface has a circular arc shape for making it easier for the latch portion 33 to be inserted into the screw hole 41 of the circuit substrate 40. The diameter of the end portion 331 is slightly larger than the diameter of the screw through hole 41 of the circuit substrate 40, and the groove 332 is provided on the end portion 331 in a direction parallel to the central axis of the pin portion 33. The tip end of the portion 331 extends downward to a position close to the bottom end of the end portion 331, so that the diameter of the end portion 331 can be elastically changed. The bottom end of the end portion 331 is also connected to a cylindrical portion 333 having a diameter smaller than the diameter of the end portion 331 and at the same time slightly smaller than the diameter of the screw through hole 41. Since the end portion 331 of the latch portion 33 is provided with the slit 332 so that its diameter can be elastically reduced, when the plug portion 33 is inserted into the screw through hole 41 of the circuit substrate 40, the end portion 331 can be pressed by the screw perforation 41 When the diameter of the end portion 331 is reduced until the screw hole 41 of the circuit substrate 40 is moved to the cylindrical portion 333 at the bottom end of the end portion 331, the diameter of the end portion 331 is restored to the original diameter due to the elastic action, and thus the engagement is performed. Screw perforation 41 on the circuit substrate 40 The hole edge is for fixing the circuit board 40 to each of the latch portions 33.

As shown in FIG. 1 and FIG. 11 , when the fixing device of the present invention is used, the user can set a plurality of the fixing bases 20 on the combined substrate 10 in a direction in which the sliding grooves 21 are parallel to the X-axis indicated in the drawing. On the top surface, the sliding grooves 21 of the respective fixing bases 20 are disposed on the top surface of the combined substrate 10 at a pitch equal to the Y-axis direction of each of the screw holes 41 on the circuit board 40 along the Y-axis direction in the drawing. Then, the user inserts a plurality of the sliders 30 into the sliding grooves 21 of the fixing base 20 along the X-axis direction in the drawing (as shown in FIG. 8), and perforates according to the respective screws on the circuit substrate 40. The pitch of the respective latch portions 33 of the plurality of sliders 30 in the X-axis direction is adjusted so that the pitch of the respective latch portions 33 in the X-axis direction and the screw perforations 41 of the circuit board 40 in the X-axis direction are adjusted in the X-axis direction. When the pitches are equal, the plurality of screw holes 41 of the circuit substrate 40 can be fitted over the latch portion 33, so that the circuit substrate 40 is positioned on the top surface 12 of the combined substrate 10.

Further, in the embodiment shown in Fig. 6, the latch portion 33 of the slider 30 is provided on one of the both ends of the body portion 31. However, as in the embodiment shown in Fig. 9, it is also possible to arrange the latch portion 33 at the center of the top surface of the body portion 31.

As shown in FIG. 10, the top surface of the holder 20 of the present invention is further provided with a vertical insertion hole 23 having a circular shape, and a radius of the vertical insertion hole 23 and a circle of the sectional shape of the sliding groove 21. The arc radii are equal. At the same time, the edge of the vertical insertion hole 23 is provided with a plurality of second positioning grooves 24, and in this embodiment, the second positioning groove 24 is also the same shape and size as the positioning groove 22 on the side of the sliding groove 21. A vertical adapter 50 can be inserted into the vertical jack 23, the vertical adapter 50 has a diameter matching the vertical insertion hole 23, and a plurality of second positioning ribs 51 are disposed on the side surface, and the second positioning rib is transmitted through the second positioning rib. The second positioning groove 24 on the fixing base 20 is engaged with the second positioning groove 24 so that the vertical adapter 50 can be stably inserted into the vertical insertion hole 23 without being rotated relative to the fixing base 20. The top of the vertical adapter 50 is further provided with a screw hole 52. The user can insert the vertical adapter 50 into the fixing base 20, and then use the screw to pierce through the screw of the circuit substrate 40. 41 is then locked into the screw hole 52, and the circuit substrate 40 is locked at the upper end of the vertical adapter 50.

[Possible effects of the examples]

In summary, the present invention has an advantageous effect that the pitch of the latch portions 33 on the slider 30 can be adjusted according to the pitch of the screw holes 41 on the circuit substrate 40 to match the pitch of the screw holes 41 of the circuit substrate 40, thereby making this possible. The created component substrate fixing device can be used with the circuit substrate 40 of different sizes, so that it is not necessary to design different positioning members for the circuit substrate 40 of different specifications, thereby achieving the purpose of saving manufacturing cost and improving the usability.

The above description is only a preferred and feasible embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. Therefore, any equivalent technical changes made by using the present specification and the contents of the schema are included in the scope of protection of the present creation. .

Claims (10)

A modular substrate fixing device for assembling a circuit substrate on a combined substrate, the circuit substrate having a plurality of screw perforations, and a plurality of top surfaces of the base are arranged at equal intervals and in an array The positioning substrate has a plurality of fixing bases, and a bottom surface of each of the fixing bases has a fixing card slot, and the fixing card slot can be engaged with the top surface of the combined substrate. a plurality of the positioning protrusions for positioning the fixing base on the top surface of the combined substrate, a top surface of each of the fixing seats is provided with a sliding slot, and the sliding slot is from the fixing seat a side surface penetrates to the other side of the fixing seat, and the sliding groove and the top surface of the base are parallel to each other; a plurality of sliding members each having a body portion, the body The cross-sectional shape of the portion is matched with the sectional shape of the sliding groove, and is insertable into the sliding groove and reciprocally moved along the sliding groove, and the body portion is provided with a latch portion, each of the a diameter of the latch portion and the circuit substrate The screws are perforated and can be inserted into a plurality of the screw perforations; wherein the plurality of the fixing seats can be snap-fitted to the plurality of positioning studs of the base, and The sliding assembly is slidably displaceable along the sliding groove, such that the spacing of the plurality of the latch portions can be adjusted in a direction parallel to the sliding slot for spacing and spacing of the plurality of latch portions a plurality of the screw holes of the circuit board are matched to each other, so that the plurality of latch portions can be engaged in the plurality of screw holes of the circuit board for fixing the circuit board to the combined substrate The top surface. The modular substrate fixing device of claim 1, wherein a side of the sliding groove of each of the fixing seats is further provided with at least one positioning groove, and a side surface of the body portion of the sliding member corresponds to Positioning the positioning groove is provided with at least one positioning rib, at least one sectional shape of the positioning rib and at least one of the positioning grooves The shape is matched with each other. When the body portion is inserted into the positioning groove, at least one of the positioning ribs is inserted into at least one of the positioning grooves. The modular substrate fixing device according to claim 2, wherein the sliding groove and the body portion of the slider have a semicircular shape. The modularized substrate fixing device of claim 3, wherein the fixed card slot of the bottom surface of the fixing base has a rectangular shape, and when the fixing base is disposed on the top surface of the combined substrate, the fixing The card slot is simultaneously engaged on an outer side surface of at least four adjacent positioning studs therein. The modularized substrate fixing device according to any one of claims 1 to 4, wherein the latch portion and the body portion of the slider are disposed perpendicular to each other on a top surface of the body portion, and The latch portion has an end portion having a circular arc shape and a groove is provided, and the slit is disposed to extend downward from a top end of the end portion along a central axis of the latch portion. The end portion is configured to elastically change the diameter of the end portion; the lower end of the end portion is further connected to a cylindrical portion having a diameter smaller than a diameter of the end portion. The modular substrate fixing device of claim 5, wherein the latch portion is disposed at one of both ends of the body portion. The modularized substrate fixing device of claim 5, wherein the latch portion is disposed at a central position of a top surface of the body portion. The modular substrate fixing device of claim 5, wherein the combined substrate is a LEGO toy bottom plate. The modular substrate fixing device of claim 8, wherein the circuit substrate is a raspberry pie or an Ardunio development board. The modular substrate fixing device of claim 4, wherein a top surface of the fixing base is further provided with a vertical insertion hole, and a plurality of second positioning grooves are disposed at an edge of the vertical insertion hole; and a vertical An adapter, the vertical adapter can be inserted into the vertical jack, and a plurality of second positioning ribs are disposed at a position of the side of the vertical adapter corresponding to the plurality of the second positioning slots. a plurality of said second positioning ribs Inserting into a plurality of the second positioning slots; the top of the vertical adapter is further provided with a screw hole, and a screw can be inserted into the screw through hole of the circuit substrate, and is locked by the screw On the top end of the vertical adapter.