CN218525743U - Experiment box with replaceable module - Google Patents
Experiment box with replaceable module Download PDFInfo
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- CN218525743U CN218525743U CN202222986378.6U CN202222986378U CN218525743U CN 218525743 U CN218525743 U CN 218525743U CN 202222986378 U CN202222986378 U CN 202222986378U CN 218525743 U CN218525743 U CN 218525743U
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- mcu
- pin
- cover plate
- module
- chip microcomputer
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Abstract
The utility model discloses a module-replaceable experimental box, which comprises a substrate, wherein the substrate is respectively provided with a combination part and an MCU singlechip storage part; still including the activity set up in on the joint portion and be used for the closing cap the apron that MCU singlechip storage portion used, wherein: the two sides of the MCU single chip microcomputer storage part are movably provided with pin pressing parts which keep relative movement, the cover plate is provided with wedge-shaped guide parts, and the two pin pressing parts are pushed and drawn together by the wedge-shaped guide parts so that the MCU pins are pressed and fixed on the connecting pins of the MCU single chip microcomputer storage part through negative pressure. The module changeable experimental box that this practicality provided can realize the quick fixed to the MCU singlechip, and the certain adaptability that provides simultaneously reduces the damage of participating in to the MCU singlechip.
Description
Technical Field
The utility model relates to a MCU development experimental box technical field relates to an experimental box that module can be changed particularly.
Background
The MCU development experiment box is mainly used for quickly writing programming into the MCU singlechip or reading the code program of the MCU singlechip to modify.
In the actual use process of the MCU development experiment box, the connection and the quick connection of the MCU singlechip pins are a problem, and the pins are fragile and can only be fixed in a pressing and fixing mode under negative pressure. The current general processing mode of event is that plastics pressure is utilized alone to carry on spacingly to the MCU singlechip, and the negative pressure is participated in at the MCU singlechip and makes its switch-on simultaneously, utilizes the screw to carry out the locking at last can, and screw fastening in-process avoids because the MCU singlechip that action amplitude caused rocks for participate in and appear damaging.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a module changeable experimental box realizes the locking of MCU singlechip and the switch-on operation of participating in fast.
In order to achieve the above object, the present invention provides the following technical solutions: a module-replaceable experimental box comprises a substrate, wherein a combination part and an MCU singlechip storage part are respectively arranged on the substrate;
still including the activity set up in on the joint portion and be used for the closing cap the apron that MCU singlechip storage portion used, wherein:
the two plug pin pressing parts are pushed and drawn close by the wedge-shaped guiding parts, so that the MCU plug pins are pressed and fixed on the wiring pins of the MCU singlechip storage part under negative pressure.
Preferably, one end of each pin pressing and fixing piece, which is adjacent to the other end of each pin pressing and fixing piece, is an inclined surface facing one side of the MCU singlechip storage part;
the pin pressing piece is characterized by further comprising an elastic piece, one end of the elastic piece is fixed to the pin pressing piece, the other end of the elastic piece is located in a groove formed in the inclined plane, and in a default state, the elastic piece forms one corner of the pin pressing piece of a rectangular structure.
Preferably, a plurality of arch-shaped parts with arc-shaped structures are arranged on the elastic part, and the outer arc tops of the arch-shaped parts abut against the inclined plane.
Preferably, the MCU singlechip storage part is provided with an extension body, the pin pressing pieces are arranged on the extension body in a sliding mode, and the distance between the two pin pressing pieces is kept to be the largest through a resistance spring arranged between the pin pressing pieces.
Preferably, not less than three fin blocks are arranged in the MCU singlechip storage part.
Preferably, the combining part comprises a pin seat and a hooking seat, and the pin seat and the hooking seat are symmetrically arranged relative to the MCU singlechip storage part;
one end of the cover plate is provided with an arc-shaped pin, the arc-shaped pin is inserted into the rectangular groove of the pin base, and the inner side arc surface is tangent to the rectangular groove to keep axial rotation.
Preferably, the device further comprises a pressure lever, wherein the pressure lever comprises a vertical part and a horizontal part, and the vertical part is clamped on the hooking and pulling seat and keeps axial rotation connection;
the combination portion further comprises a limiting portion arranged on the base plate, the vertical portion is provided with at least two protruding rods of U structures, and the horizontal portion is limited by the limiting portion, so that the cover plate is under negative pressure of the protruding rods and is opposite to the pressing plate arranged at one end of the arc-shaped pin.
Preferably, the pressure-pulling rod is a PVC plastic rod.
Preferably, the cover plate is a PVC plastic plate.
In the technical scheme, the utility model provides a pair of module changeable experimental box possesses following beneficial effect: when the cover plate is used for sealing the cover plate, the pin pressing piece can be extruded to be drawn close from two sides to the center of the storage part of the MCU singlechip, and the elastic piece is used as a corner of the pin pressing piece of the rectangular structure, so that the pin pressing piece has the characteristic of flexible contact.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
Fig. 1 is a schematic view of an installation structure of an MCU singlechip provided by the embodiment of the present invention;
fig. 2 is a schematic structural view of a position relationship between a combining portion on a substrate and an MCU singlechip storing portion provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a section provided in an embodiment of the present invention;
fig. 4 is a schematic view of an overall tangent plane structure provided by the embodiment of the present invention.
Description of reference numerals:
1. a substrate; 11. a bonding section; 111. a pin base; 112. a hooking base; 12. MCU singlechip storage part; 121. an extension body; 122. a fin block; 2. a cover plate; 21. a wedge-shaped guide portion; 22. arc-shaped pins; 23. pressing a plate; 3. the pin pressing and fixing part; 4. an elastic member; 41. an arch; 5. a resistance spring; 7. a pressure lever; 71. a vertical portion; 711. a nose bar; 72. a horizontal portion; 8. a limiting part.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the attached drawings.
As shown in fig. 1-4, a module-changeable experimental box comprises a substrate 1, wherein a combining part 11 and an MCU one-chip microcomputer storage part 12 are respectively disposed on the substrate 1;
still including the activity set up on combining part 11 and be used for the apron 2 that 12 usefulness of closing cap MCU singlechip storage division, wherein:
plug-in press-fixing pieces 3 which keep relative movement are movably arranged on two sides of the MCU single chip storage part 12, a wedge-shaped guide part 21 is arranged on the cover plate 2, and the two plug-in press-fixing pieces 3 are pushed and drawn together by the wedge-shaped guide part 21 so that the MCU plug-in press-fixing pieces can be fixedly arranged on the wiring pins of the MCU single chip storage part 12 through negative pressure.
Furthermore, one side of the two pin pressing and fixing pieces 3, which is adjacent to one end and faces the MCU singlechip storage part 12, is an inclined surface;
the pin pressing piece is characterized by further comprising an elastic piece 4, one end of the elastic piece 4 is fixed on the pin pressing piece 3, the other end of the elastic piece 4 is located in a groove formed in the inclined surface, and in a default state, the elastic piece 4 forms one corner of the pin pressing piece 3 with a rectangular structure (figure 3).
Specifically, the substrate 1 in the above embodiment is integrated on a circuit board of a laboratory box (as shown in fig. 4), and the specific operation of the laboratory box, the corresponding circuit design and programming language are all of common knowledge, do not interfere with the protection object of the present application, and are not described in detail.
Further, in the above embodiment, the cover plate 2 is made of PVC plastic plate, and the cover plate may be combined with the base plate 1 by using any combination method known to those skilled in the art, such as clamping, inserting, and the like through the combination portion 11.
Among the above-mentioned technical scheme, when apron 2 carries out the closing cap, can extrude to participate in the fastener 3 and draw close to by two sides to MCU singlechip storage part 12 center, and because elastic component 4 is as the rectangle structure participate in a corner of fastener 3 to make it possess the characteristic of flexible contact, when participating in the fastener 3 negative pressure MCU singlechip and participating in, elastic component 4 provides certain self-adaptability when pressing admittedly, reduces the damage of participating in.
As a further embodiment of the present invention, as shown in fig. 3, a plurality of arch members 41 having an arc structure are provided on the elastic member 4, and the outer arc tops of the arch members 41 abut against the inclined surface.
Specifically, when the elastic member 4 is pressing the pin, the arch member 41 will change its inner curvature along with the deformation, providing a soft fit.
As another embodiment provided by the present invention, as shown in fig. 3, an extension 121 is provided on the MCU board storage 12, and the pin pressing members 3 are slidably provided on the extension 121, and the distance between the two pin pressing members 3 is kept maximum by the blocking spring 5 provided therebetween.
Specifically, when the cover plate 2 is sealed, the pin pressing members 3 are pressed to be close to the center of the MCU one-chip microcomputer storage section 12 from both sides, and the resistance spring 5 is stretched to be deformed.
As a further embodiment provided by the present invention, the MCU single chip storage 12 is provided with not less than three fin blocks 122 therein.
Specifically, the fin block 122 in the above embodiment is made of copper sheets, and is used for heat dissipation in the operation process of the MCU singlechip.
As a further embodiment provided by the present invention, the combining portion 11 includes a socket 111 and a hook base 112, the socket 111 and the hook base 112 are symmetrically arranged with respect to the MCU one-chip microcomputer storing portion 12;
one end of the cover plate 2 is provided with an arc-shaped pin 22, the arc-shaped pin 22 is inserted into the rectangular groove of the pin base 111, and the inner arc surface is tangent to the rectangular groove to keep axial rotation.
Further, the device also comprises a pressure lever 7, wherein the pressure lever 7 comprises a vertical part 71 and a horizontal part 72, and the vertical part 71 is clamped on the hooking and pulling seat 112 and keeps axial rotation connection;
the combining portion 11 further includes a limiting portion 8 disposed on the substrate 1, the vertical portion 71 is provided with at least two U-shaped protruding rods 711, and the horizontal portion 72 is limited by the limiting portion 8, so that the protruding rods 711 can be used for pressing the pressing plate 23 disposed at one end of the cover plate 2 opposite to the arc-shaped pins 22.
Specifically, when the cover plate 2 is fixed, the horizontal portion 72 is pressed down to the state shown in fig. 1 and is clamped at the position-limiting portion 8 to be limited to the state shown in fig. 1, and the protruding rod 711 is pressed on the pressing plate 23 by negative pressure to fix the cover plate 2.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (9)
1. A module-changeable experimental box is characterized by comprising a substrate (1), wherein a combination part (11) and an MCU singlechip storage part (12) are respectively arranged on the substrate (1);
still including the activity set up in on the joint portion (11) and be used for the closing cap apron (2) that MCU singlechip storage unit (12) were used, wherein:
the MCU storage part (12) is movably provided with pin pressing parts (3) which keep relative movement on two sides, the cover plate (2) is provided with wedge-shaped guide parts (21), and the two pin pressing parts (3) are pushed and drawn together by the wedge-shaped guide parts (21) so that the MCU pins are pressed and fixed on the wiring pins of the MCU storage part (12) through negative pressure.
2. A laboratory box with exchangeable modules according to claim 1, characterized in that the two pin holding parts (3) are adjacent to each other and are inclined on the side facing the MCU one-chip microcomputer housing (12);
the pin inserting and fixing device is characterized by further comprising an elastic piece (4), one end of the elastic piece (4) is fixed to the pin inserting and fixing piece (3), the other end of the elastic piece is located in a groove formed in the inclined plane, and the elastic piece (4) forms one corner of the pin inserting and fixing piece (3) of a rectangular structure in a default state.
3. A modular laboratory box according to claim 2, characterized in that a plurality of arches (41) of arcuate configuration are provided on said elastic element (4), the outer arc tips of said arches (41) abutting against said inclined surface.
4. A laboratory box with exchangeable modules according to claim 1, characterized in that said MCU chip microcomputer holder (12) is provided with an extension (121), said pin holding members (3) are slidably arranged on said extension (121), and the distance between two pin holding members (3) is kept maximum by a resistance spring (5) arranged therebetween.
5. A module-changeable experimental box according to claim 1, wherein not less than three fin blocks (122) are provided in said MCU one-chip microcomputer storage section (12).
6. A module-changeable experimental box according to claim 1, wherein said combining part (11) comprises a socket (111) and a hook-and-pull seat (112), said socket (111) and said hook-and-pull seat (112) are symmetrically arranged with respect to said MCU one-chip microcomputer storing part (12);
one end of the cover plate (2) is provided with an arc-shaped pin (22), the arc-shaped pin (22) is inserted into the rectangular groove of the pin base (111), and the inner side arc surface is tangent to the rectangular groove to keep axial rotation.
7. A laboratory box according to claim 6, characterized in that, further comprises a pressure bar (7), said pressure bar (7) comprises a vertical part (71) and a horizontal part (72), said vertical part (71) is snapped on said hook-and-pull seat (112) and keeps axial rotation connection;
the combined part (11) further comprises a limiting part (8) arranged on the substrate (1), the vertical part (71) is provided with at least two protruding rods (711) with U-shaped structures, the horizontal part (72) is limited by the limiting part (8), so that the protruding rods (711) can perform negative pressure on the cover plate (2) relative to the pressing plate (23) arranged at one end of the arc-shaped pin (22).
8. A module-changeable laboratory box according to claim 7, wherein said pressure bar (7) is a PVC plastic bar.
9. A modular laboratory box according to claim 1, characterized in that the cover plate (2) is a PVC plastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222986378.6U CN218525743U (en) | 2022-11-10 | 2022-11-10 | Experiment box with replaceable module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222986378.6U CN218525743U (en) | 2022-11-10 | 2022-11-10 | Experiment box with replaceable module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218525743U true CN218525743U (en) | 2023-02-24 |
Family
ID=85249698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222986378.6U Active CN218525743U (en) | 2022-11-10 | 2022-11-10 | Experiment box with replaceable module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218525743U (en) |
-
2022
- 2022-11-10 CN CN202222986378.6U patent/CN218525743U/en active Active
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