CN209708443U - A kind of digital circuit comprehensive practical traning plate - Google Patents

Abstract

The utility model discloses a kind of digital circuit comprehensive practical traning plates, including lower case and upper housing, link block is equipped on the upside of the front surface of the lower case, the left and right surface of the link block is equipped with mounting hole, rotation is equipped with one end of shaft in the mounting hole, the other end of the shaft is fixedly connected with upper housing, arc cutting is plugged in buckle by rotation rotating card block, upper housing and lower case are fixed, when opening upper housing, arc cutting need to only be screwed out from buckle, the electronic component used when placing real training by placing groove, bread board is mounted in mounting groove by way of magnetic, facilitate the installation and removal of bread board, disassembly leaves no trace, installation is simple, a fairly large number of electronic component is avoided due to placing loss at random, the case where user can not find electronic component in real training generation, it protects simultaneously Bread board and electronic component are not damaged, and avoid and cause economic loss, and structure is simple, easy to use, practical.

Description

A kind of digital circuit comprehensive practical traning plate

Technical field

The utility model relates to teaching aid technical field, specific field is a kind of digital circuit comprehensive practical traning plate.

Background technique

It is known as digital circuit, or number with the circuit that digital signal completes to carry out digital quantity arithmetical operation and logical operation System.Since it has the function of logical operation and logical process, so also known as Digital Logical Circuits, modern digital circuit is by half Several digital integrated components made of semiconductor process construct.Colleges and universities' Digital Electronic Technique curriculum experiment real training is mainly led at present The electronic component kind and quantity for needing to use when crossing and carry out in laboratory using bread board, and testing are various, collect after use Storage trouble, wastes the time of classmates, while electronic component volume is smaller is easily lost and damages, causes unnecessary Waste, therefore we need a kind of digital circuit comprehensive practical traning plate to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of digital circuit comprehensive practical traning plates, to solve to mention in above-mentioned background technique Out the problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of digital circuit comprehensive practical traning plate, including The front surface upside of lower case and upper housing, the lower case is equipped with link block, and the left and right surface of the link block is equipped with peace Hole is filled, rotation is equipped with one end of shaft in the mounting hole, and the other end of the shaft is fixedly connected with upper housing, under described The front surface of shell is equipped with groove, is equipped with transverse slat between the left and right inner sidewall of the groove, the transverse slat and groove it is upper and lower in Riser is uniformly provided between side wall, the front surface of the upper housing is equipped with mounting groove, four corners of slot bottom of the mounting groove It is embedded with magnet, is equipped with bread board in the mounting groove, four corners of rear surface of the bread board are embedded with iron block, described The first support device is equipped on the left of the rear surface of upper housing, first support device includes the first mounting groove, first peace The upside of tankage is equipped with the second mounting groove, and columnar hole, first peace are equipped between first mounting groove and the second mounting groove Symmetrical above and below on the left of the slot bottom of tankage to be equipped with mounting base, the mounting base is rotatablely connected with supporting leg, the supporting leg it is upper Surface is equipped with sleeve, and the left and right inner sidewall of the sleeve is equipped with slideway, and sliding is equipped with sliding block in the slideway, and the sliding block is equal It is fixedly connected with the connecting rod, the cylinder bottom of the sleeve is equipped with spring base, and one end of the first spring is equipped in the spring base, described The other end of first spring is fixedly connected with the connecting rod, and the lower inner sidewall bilateral symmetry of second mounting groove is equipped with fixed link One end, the other end of the fixed link are equipped with fixed plate, and the outer Slideslip of the fixed link is equipped with connecting plate, and the connecting plate is equal It is fixedly connected with button, the lower surface of the connecting plate is equipped with one end of second spring, the other end of the second spring and the The lower inner sidewall of two mounting grooves is fixedly connected, and the lower surface of the button is equipped with cylindrical bar, the rear surface right side of the upper housing Equipped with the second support device, second support device is symmetrical set with the first support device, the rear table of the upper housing It is equipped with buckle on the upside of face, bolt is equipped on the downside of the front surface of the lower case, the outside rotation of the bolt is equipped with rotating card block, The rotating card block and buckle are clamped.

Preferably, the rotating card block includes rotating block, and the rotating block and bolt are rotatablely connected, outside the rotating block Side wall is fixedly connected with one end of level board, and the other end of the level board is equipped with arc cutting.

Preferably, arc groove is symmetrically arranged at left and right sides of the front surface of the upper housing.

Compared with prior art, the utility model has the beneficial effects that a kind of digital circuit comprehensive practical traning plate, this is practical new Type upper housing and lower case are rotatablely connected, and can be opened and closed with 180 °, and arc cutting is plugged in buckle by rotation rotating card block, will be upper Shell and lower case are fixed, and when opening upper housing, only need to be screwed out arc cutting from buckle, and transverse slat and riser composition are put Slot is set, bread board is mounted in mounting groove by the electronic component used when placing real training by placing groove by way of magnetic, Facilitate the installation and removal of bread board, disassembly leaves no trace, and installation is simple, avoids a fairly large number of electronic component due to placing The generation of the case where loss at random, user can not find electronic component in real training, while protecting bread board and electronic component not It being damaged, avoids and cause economic loss, structure is simple, and it is easy to use, it is practical.

Detailed description of the invention

Schematic view of the front view when Fig. 1 is the opening of the utility model；

Schematic view of the front view when Fig. 2 is the closing of the utility model；

Fig. 3 is the structural schematic diagram of the upper housing of the utility model；

Fig. 4 is the backsight structural representation after the bread board of the utility model；

Fig. 5 is the structural schematic diagram of the lower case of the utility model；

Fig. 6 is the structural schematic diagram of first support device of the utility model；

Fig. 7 is structure enlargement diagram at the A of Fig. 6；

Fig. 8 is the structural schematic diagram of the rotating card block of the utility model.

In figure: 1- lower case, 2- upper housing, 3- link block, 4- mounting hole, 5- shaft, 6- transverse slat, 7- riser, 8- installation Slot, 9- magnet, 10- bread board, 11- iron block, the first mounting groove of 12-, the second mounting groove of 13-, 14- mounting base, 15- supporting leg, 16- sleeve, 17- connecting rod, the first spring of 18-, 19- fixed link, 20- fixed plate, 21- connecting plate, 22- button, 23- second Spring, 24- cylindrical bar, 25- buckle, 26- bolt, 27- rotating card block, 2701- rotating block, 2702- level board, 2703- arc Cutting, 28- arc groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-8 is please referred to, the utility model provides a kind of technical solution: a kind of digital circuit comprehensive practical traning plate, including under The front surface upside of shell 1 and upper housing 2, the lower case is equipped with link block 3, and the left and right surface of the link block is equipped with peace Hole 4 is filled, rotation is equipped with one end of shaft 5 in the mounting hole, and the other end of the shaft is fixedly connected with upper housing, upper casing Body and lower case are rotatablely connected, and can be opened and closed with 180 °, and the front surface of the lower case is equipped with groove, the left and right inside of the groove It is equipped with transverse slat 6 between wall, riser 7 is uniformly provided between the transverse slat and the inner sidewall up and down of groove, transverse slat and riser composition are put Slot is set, the front surface of the electronic component used when placing real training by placing groove, the upper housing is equipped with mounting groove 8, the peace Four corners of slot bottom of tankage are embedded with magnet 9, are equipped with bread board 10 in the mounting groove, use storage by bread board Electronic component carries out real training, and four corners of rear surface of the bread board are embedded with iron block 11, by face by way of magnetic Wrapper sheet is mounted in mounting groove, facilitates the installation and removal of bread board, and disassembly leaves no trace, and installation is simple, the upper housing It is equipped with the first support device on the left of rear surface, when carrying out real training, upper housing opening is turned over, the first support device is opened Upper housing is supported, guarantees the stability of upper housing, user-friendly, first support device includes the first peace The upside of tankage 12, first mounting groove is equipped with the second mounting groove 13, sets between first mounting groove and the second mounting groove There is columnar hole, the diameter of columnar hole is slightly larger than the diameter of connecting rod and cylindrical bar, and the slot bottom left side of first mounting groove is up and down It is symmetrically arranged with mounting base 14, the mounting base is rotatablely connected with supporting leg 15, and the upper surface of the supporting leg is equipped with sleeve 16, the left and right inner sidewall of the sleeve is equipped with slideway, and sliding is equipped with sliding block in the slideway, the sliding block with connecting rod 17 It is fixedly connected, the cylinder bottom of the sleeve is equipped with spring base, and one end of the first spring 18, first bullet are equipped in the spring base The other end of spring is fixedly connected with the connecting rod, and supporting leg is when in a horizontal state, and the first spring is compressive state, by supporting leg When turning to vertical state, connecting rod is located just at columnar hole position, and under the action of the first spring force, connecting rod is inserted It connects in columnar hole, supporting leg is fixed, guarantee stationarity when support, the lower inner sidewall bilateral symmetry of second mounting groove One end equipped with fixed link 19, the other end of the fixed link are equipped with fixed plate 20, and the outer Slideslip of the fixed link, which is equipped with, to be connected Fishplate bar 21, the connecting plate are fixedly connected with button 22, and the lower surface of the connecting plate is equipped with one end of second spring 23, institute The other end for stating second spring is fixedly connected with the lower inner sidewall of the second mounting groove, and the lower surface of the button is equipped with cylindrical bar 24, when needing to restore supporting leg to horizontality, push button, button drives cylindrical bar movement, and cylindrical bar is by connecting rod top Columnar hole out, while supporting leg is rotated, supporting leg can be resetted, second spring is in the state of forced compression at this time, is propping up Release button after support leg resets, under the action of second spring elastic force, the rear surface right side of push-button reset, the upper housing is equipped with Second support device, second support device are symmetrical set with the first support device, the second support device with first Support arrangement is structurally and functionally identical, and buckle 25, the front surface downside of the lower case are equipped on the upside of the rear surface of the upper housing Equipped with bolt 26, the outside rotation of the bolt is equipped with rotating card block 27, and the rotating card block and buckle are clamped, and rotates revotating card Arc cutting is plugged in buckle by block, and upper housing and lower case are fixed, only need to be by arc cutting from card when opening upper housing It is screwed out in button.

Specifically, the rotating card block includes rotating block 2701, the rotating block and bolt are rotatablely connected, the rotation The lateral wall of block is fixedly connected with one end of level board 2702, and the other end of the level board is equipped with arc cutting 2703.

Specifically, arc groove 28 is symmetrically arranged at left and right sides of the front surface of the upper housing, convenient for users to opening Upper housing.

Working principle: the utility model upper housing and lower case are rotatablely connected, and can be opened and closed with 180 °, and rotation rotating card block will Arc cutting is plugged in buckle, and upper housing and lower case are fixed, only need to be by arc cutting from buckle when opening upper housing Back-out, transverse slat and riser constitute placing groove, and the electronic component used when placing real training by placing groove passes through the side of magnetic Bread board is mounted in mounting groove by formula, facilitates the installation and removal of bread board, and disassembly leaves no trace, and installation is simple, passes through face Wrapper sheet carries out real training using the electronic component of storage, and when carrying out real training, upper housing opening is turned over, opens the first support Device and the second support device are supported upper housing, guarantee the stability of upper housing, user-friendly, at supporting leg When horizontality, the first spring is compressive state, and when supporting leg is turned to vertical state, connecting rod is located just at column Hole position, under the action of the first spring force, connecting rod is plugged in columnar hole, and supporting leg is fixed, and guarantees support When stationarity, when needing to restore supporting leg to horizontality, push button, button drives cylindrical bar movement, and cylindrical bar will Connecting rod ejects columnar hole, while rotating supporting leg, can reset supporting leg, second spring is in the shape of forced compression at this time State, the release button after supporting leg reset, under the action of second spring elastic force, push-button reset.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (3)

1. a kind of digital circuit comprehensive practical traning plate, including lower case (1) and upper housing (2), it is characterised in that: the lower case (1) link block (3) are equipped on the upside of front surface, the left and right surface of the link block (3) is equipped with mounting hole (4), the installation Rotation is equipped with the one end of shaft (5) in hole (4), and the other end of the shaft (5) is fixedly connected with upper housing (2), under described The front surface of shell (1) is equipped with groove, is equipped with transverse slat (6), the transverse slat (6) and groove between the left and right inner sidewall of the groove Inner sidewall up and down between be uniformly provided with riser (7), the front surface of the upper housing (2) is equipped with mounting groove (8), the mounting groove (8) four corners of slot bottom are embedded with magnet (9), are equipped with bread board (10) in the mounting groove (8), the bread board (10) Four corners of rear surface be embedded with iron block (11), the first support device, institute are equipped on the left of the rear surface of the upper housing (2) Stating the first support device includes the first mounting groove (12), and the upside of first mounting groove (12) is equipped with the second mounting groove (13), Columnar hole, the slot bottom left side of first mounting groove (12) are equipped between first mounting groove (12) and the second mounting groove (13) Symmetrical above and below to be equipped with mounting base (14), the mounting base (14) is rotatablely connected with supporting leg (15), the supporting leg (15) Upper surface is equipped with sleeve (16), and the left and right inner sidewall of the sleeve (16) is equipped with slideway, and sliding is equipped with sliding block in the slideway, The sliding block is fixedly connected with connecting rod (17), and the cylinder bottom of the sleeve (16) is equipped with spring base, is equipped in the spring base The other end of one end of the first spring (18), first spring (18) is fixedly connected with connecting rod (17), second installation The lower inner sidewall bilateral symmetry of slot (13) is equipped with one end of fixed link (19), and the other end of the fixed link (19) is equipped with fixed plate (20), the outer Slideslip of the fixed link (19) is equipped with connecting plate (21), and the connecting plate (21), which is fixed with button (22), to be connected It connects, the lower surface of the connecting plate (21) is equipped with the one end of second spring (23), the other end of the second spring (23) and the The lower inner sidewall of two mounting grooves (13) is fixedly connected, and the lower surface of the button (22) is equipped with cylindrical bar (24), the upper housing (2) the second support device is equipped on the right side of rear surface, second support device is symmetrical set with the first support device, institute It states and is equipped with buckle (25) on the upside of the rear surface of upper housing (2), be equipped with bolt (26) on the downside of the front surface of the lower case (1), institute The outside rotation for stating bolt (26) is equipped with rotating card block (27), the rotating card block (27) and buckle (25) clamping.

2. a kind of digital circuit comprehensive practical traning plate according to claim 1, it is characterised in that: rotating card block (27) packet It includes rotating block (2701), the rotating block (2701) and bolt (26) are rotatablely connected, and the lateral wall of the rotating block (2701) is solid Surely it is connected with one end of level board (2702), the other end of the level board (2702) is equipped with arc cutting (2703).

3. a kind of digital circuit comprehensive practical traning plate according to claim 1, it is characterised in that: before the upper housing (2) Arc groove (28) are symmetrically arranged at left and right sides of surface.