CN113341191A - Circuit electronic experiment monitoring devices - Google Patents
Circuit electronic experiment monitoring devices Download PDFInfo
- Publication number
- CN113341191A CN113341191A CN202110632352.9A CN202110632352A CN113341191A CN 113341191 A CN113341191 A CN 113341191A CN 202110632352 A CN202110632352 A CN 202110632352A CN 113341191 A CN113341191 A CN 113341191A
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- China
- Prior art keywords
- universal meter
- protective cover
- test pencil
- groove
- meter main
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/12—Circuits for multi-testers, i.e. multimeters, e.g. for measuring voltage, current, or impedance at will
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
Abstract
The invention relates to the field of circuit electronic experiment monitoring, in particular to a circuit electronic experiment monitoring device, which comprises a universal meter main body, a protection mechanism, a support adjusting mechanism, a transmission mechanism and a test pencil storage mechanism, wherein the universal meter main body is provided with a first support and adjustment mechanism; the universal meter can be obliquely supported on the table top by using the supporting and adjusting mechanism, so that the display scales of the universal meter can be observed conveniently, the universal meter can be operated conveniently, and the inclination angle of the universal meter can be adjusted by adjusting the length of the supporting and adjusting mechanism; the protective mechanism can protect the surface of the multimeter and the connection part of the end part and the lead of the test pencil through the protective cover and the protective cover, thereby preventing dust from falling on the multimeter or preventing the connection part of a button on the surface of the multimeter and the lead of the end part from being damaged by touch and pressure, and ensuring that the multimeter is safer when being stored; the protective cover and the protective cover can be connected with the multimeter in a transmission mode through the transmission mechanism, and when the protective cover is opened in a sliding mode, the protective cover can be opened in a synchronous transmission mode, so that the protective cover is more convenient to use.
Description
Technical Field
The invention relates to the field of circuit electronic experiment monitoring, in particular to a circuit electronic experiment monitoring device.
Background
The universal meter is a multipurpose electronic measuring instrument, also called universal meter, multipurpose meter, etc., and is divided into two types of pointer universal meter and digital universal meter. The meter can measure direct current, direct voltage, alternating current, alternating voltage, resistance, audio level and the like, and is mainly used in the measurement fields of physics, electricity, electronics and the like. In circuit electronic experiments, a multimeter is often needed to monitor information such as current and voltage of a circuit. However, when the current multimeter is used, the multimeter cannot be supported, inclined and placed and angle-adjusted, and generally can only be horizontally placed on an experiment table, which is not beneficial to observing the display scale of the multimeter and operating the multimeter, and is not very convenient to use; on the other hand, can not protect the universal meter after using the completion, make the universal meter fall on the dust easily, and accomodate when placing button on universal meter surface etc. and touch the damage easily, reduced the life of universal meter, especially to the test pencil of connecting on the universal meter, if not good accomodating, lead to the test pencil to damage very easily, especially test pencil wire and the junction of universal meter receive the pressure very easily damaged or not hard up, lead to the test pencil trouble, influence the normal use of universal meter.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a circuit electronic experiment monitoring device.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a circuit electron experiment monitoring devices, includes universal meter main part, protection machanism, supports adjustment mechanism, drive mechanism, test pencil receiving mechanism, the one end of universal meter main part is connected with through the wire and is used for the test pencil of being connected with the experiment circuit electricity, is used for right the universal meter main part protects protection machanism install in the surface of universal meter main part, and pass through drive mechanism with universal meter main part transmission is connected, is used for right the universal meter main part supports and angle modulation support adjustment mechanism install in the back of universal meter main part, be used for right the test pencil accomodates test pencil receiving mechanism install in protection machanism's inside.
Further, protection machanism includes protection casing, protective cover, two sets of spouts, two connecting axles, two engaging lugs, and is two sets of the spout set up respectively in the both sides of universal meter main part, the one end of protection casing is the closed end, and the other end is the open end, just the both sides of protection casing open end slide respectively and clamp in two sets of in the spout, the protective cover set up in the open end of protection casing, just the equal fixed mounting in both sides of protective cover has the engaging lug, two the engaging lug paste respectively in the both sides of protection casing, and pass through the connecting axle with protection casing swing joint, just the one end of connecting axle with engaging lug fixed connection, the other end with protection casing activity is pegged graft, and extends to the inside of protection casing.
Further, drive mechanism includes rack, mounting groove, transmission shaft, gear, drive belt, first drive wheel, second drive wheel, rack fixed mounting in the spout, the mounting groove is provided with the medial surface of protection casing open end, the gear passes through the transmission shaft install in the lower extreme of mounting groove, just the gear with the rack toothing transmission is connected, first drive wheel fixed mounting in on the connecting axle, second drive wheel fixed mounting in on the transmission shaft, just first drive wheel with pass through between the second drive wheel the drive belt transmission is connected.
Further, test pencil receiving mechanism includes spacing spout, lead screw, slider, connecting rod, pen socket, worm wheel, spacing spout set up in on the inner wall at protection casing top, lead screw movable mounting in the spacing spout, slider slidable mounting in the spacing spout, just the slider with lead screw threaded connection, the pen socket passes through connecting rod fixed connection install in the bottom surface of slider, worm fixed mounting in the one end of lead screw, worm wheel fixed mounting in on the connecting axle, just the worm with mesh transmission connection between the worm wheel.
Furthermore, the supporting and adjusting mechanism comprises a rotating plate, a telescopic supporting plate, a groove, a hinge shaft, a slot, a plurality of limiting pin holes, a mounting hole, a cylindrical pin and a spring, the groove is arranged on the back surface of the multimeter body, the rotating plate is arranged in the groove, one end of the rotating plate is movably connected with one end of the groove through the hinge shaft, the other end of the rotating plate is provided with the slot, the telescopic supporting plate is movably inserted in the slot, the surface of one end of the rotating plate is provided with the plurality of uniformly distributed limiting pin holes, the plurality of limiting pin holes are communicated with the slot, the inserting end of the telescopic supporting plate is provided with the mounting hole, the cylindrical pin is movably inserted in the mounting hole, and the bottom end of the cylindrical pin is elastically connected with the bottom surface of the mounting hole through the spring, the top end of the cylindrical pin is inserted into one of the limiting pin holes.
The invention has the beneficial effects that:
(1) according to the circuit electronic experiment monitoring device, the supporting and adjusting mechanism is used for supporting the universal meter on the table board in an inclined mode, so that the display scales of the universal meter can be observed conveniently, the universal meter can be operated conveniently, and the inclination angle of the universal meter can be adjusted by adjusting the length of the supporting and adjusting mechanism, so that the circuit electronic experiment monitoring device can meet the use requirements of different people under different conditions.
(2) According to the circuit electronic experiment monitoring device, the protective mechanism can be used for protecting the surface of the multimeter and the connection part of the end part and the lead of the test pencil through the protective cover and the protective cover, so that dust on the multimeter can be prevented from falling off, or the connection part of a button on the surface of the multimeter and the lead of the end part is prevented from being touched and damaged by pressure, and the multimeter is safer to store and place.
(3) According to the circuit electronic experiment monitoring device, the protective cover and the protective cover in the protective mechanism can be in transmission connection with the universal meter through the transmission mechanism, the protective cover can be synchronously opened in a transmission mode when the protective cover is opened in a sliding mode, and correspondingly, the protective cover can be synchronously closed in a transmission mode when the protective cover is closed in a sliding mode, so that the protective mechanism can be opened and closed more conveniently and quickly, and the universal meter can be conveniently used and stored.
(4) According to the circuit electronic experiment monitoring device, the test pencil can be clamped in the protective cover through the pencil sleeve by using the test pencil storage mechanism, so that the test pencil can be conveniently stored and placed, the protective cover can protect the test pencil and prevent the test pencil from being touched and damaged, meanwhile, the pencil sleeve is in transmission connection with the protective cover through the transmission mechanism, when the protective cover is opened, the pencil sleeve and the test pencil synchronously slide outwards to facilitate taking and subsequent placing of the test pencil, and when the protective cover is closed in a sliding mode, the pencil sleeve and the test pencil synchronously slide inwards to enable the test pencil to be completely retracted into the protective cover, so that the test pencil is protected through the protective cover.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of an overall structure of a circuit electronic experiment monitoring device according to a preferred embodiment of the present invention;
FIG. 2 is a cross-sectional view of the multimeter body shown in FIG. 1;
FIG. 3 is a cross-sectional view of the side of the shielding mechanism shown in FIG. 1;
FIG. 4 is a cross-sectional view of an end face of the guard mechanism shown in FIG. 1;
FIG. 5 is an enlarged view of the structure at A of FIG. 2;
FIG. 6 is an enlarged view of the structure at B in FIG. 4;
FIG. 7 is an enlarged view of the structure at C of FIG. 4;
in the figure: 1. a multimeter body; 11. a test pencil; 2. a protection mechanism; 21. a protective cover; 22. a protective cover; 23. a chute; 24. a connecting shaft; 25. connecting lugs; 3. a support adjustment mechanism; 31. a rotating plate; 32. a telescopic supporting plate; 33. a groove; 34. a hinge axis; 35. a slot; 36. a limit pin hole; 37. mounting holes; 38. a cylindrical pin; 39. a spring; 4. a transmission mechanism; 41. a rack; 42. mounting grooves; 43. a drive shaft; 44. a gear; 45. a transmission belt; 46. a first drive pulley; 47. a second transmission wheel; 5. a test pencil storage mechanism; 51. a limiting chute; 52. a screw rod; 53. a slider; 54. a connecting rod; 55. a pen cap; 56. a worm; 57. a worm gear.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1-7, the circuit electronic experiment monitoring device according to the present invention includes a multimeter body 1, a protection mechanism 2, a support adjustment mechanism 3, a transmission mechanism 4, and a test pencil accommodation mechanism 5, wherein one end of the multimeter body 1 is connected to a test pencil 11 for electrically connecting to an experimental circuit through a wire, the protection mechanism 2 for protecting the multimeter body 1 is installed on a surface of the multimeter body 1, and is in transmission connection with the multimeter body 1 through the transmission mechanism 4, the support adjustment mechanism 3 for supporting and angle-adjusting the multimeter body 1 is installed on a back surface of the multimeter body 1, and the test pencil accommodation mechanism 5 for accommodating the test pencil 11 is installed inside the protection mechanism 2; the supporting and adjusting mechanism 3 can be used for supporting the universal meter body 1 on the table top in an inclined mode, so that the display scales of the universal meter body 1 can be observed conveniently, the universal meter body 1 can be operated conveniently, and the inclination angle of the universal meter body 1 can be adjusted by adjusting the length of the supporting and adjusting mechanism 3 so as to meet the use requirements of different conditions and different people; the protection mechanism 2 can protect the surface of the multimeter body 1 and the connection part of the end part and the lead of the test pencil through the protection cover 21 and the protection cover 22, so that dust on the multimeter body 1 can be prevented from falling, or the connection part of a button on the surface of the multimeter body 1 and the lead of the end part is damaged by touching and pressing, and the multimeter body 1 is safer to store and place; the protective cover 21 and the protective cover 22 in the protective mechanism 2 can be in transmission connection with the multimeter body 1 through the transmission mechanism 4, when the protective cover 21 is opened in a sliding mode, the protective cover 22 can be opened in a synchronous transmission mode, correspondingly, when the protective cover 21 is closed in a sliding mode, the protective cover 22 can be closed in a synchronous transmission mode, and therefore the protective mechanism 2 can be opened and closed more conveniently and rapidly, and the multimeter body 1 can be used and stored conveniently; the test pencil 11 can be clamped in the inside of protection casing 21 through the pen socket 55 by the use of test pencil receiving mechanism 5, thereby make things convenient for accomodating of test pencil 11 to place, and protection casing 21 can protect test pencil 11, prevent that test pencil 11 from touching the damage, the pen socket 55 passes through drive mechanism 4 simultaneously and is connected with the transmission of protection casing 21, when protection casing 21 opens, pen socket 55 outwards slides in step together with test pencil 11, make things convenient for taking and subsequently placing of test pencil 11, when protection casing 21 slides and closes, pen socket 55 inwards slides in step together with test pencil 11, make test pencil 11 contract the inside of protection casing 21 completely, thereby protect test pencil 11 through protection casing 21.
Specifically, the protection mechanism 2 comprises a protection cover 21, a protection cover 22, two sets of sliding grooves 23, two connecting shafts 24 and two connecting lugs 25, the two sets of sliding grooves 23 are respectively arranged on two sides of the multimeter body 1, one end of the protection cover 21 is a closed end, the other end of the protection cover is an open end, and two sides of the opening end of the protective cover 21 are respectively slidably clamped in the two groups of sliding grooves 23, the protective cover 22 is arranged at the opening end of the protective cover 21, the two sides of the protecting cover 22 are fixedly provided with the connecting lugs 25, the two connecting lugs 25 are respectively attached to the two sides of the protecting cover 21, the connecting shaft 24 is movably connected with the protective cover 21, one end of the connecting shaft 24 is fixedly connected with the connecting lug 25, and the other end of the connecting shaft 24 is movably inserted into the protective cover 21 and extends into the protective cover 21; the protection casing 21 can protect the surface of multimeter main part 1, protective cover 22 can protect the junction of multimeter main part 1 tip and test pencil wire, when needs use multimeter main part 1, follows spout 23 slides and open protection casing 21 can.
Specifically, the transmission mechanism 4 includes a rack 41, a mounting groove 42, a transmission shaft 43, a gear 44, a transmission belt 45, a first transmission wheel 46 and a second transmission wheel 47, the rack 41 is fixedly mounted in the chute 23, the mounting groove 42 is provided with an inner side surface of the opening end of the protective cover 21, the gear 44 is mounted at the lower end of the mounting groove 42 through the transmission shaft 43, the gear 44 is in meshing transmission connection with the rack 41, the first transmission wheel 46 is fixedly mounted on the connection shaft 24, the second transmission wheel 47 is fixedly mounted on the transmission shaft 43, and the first transmission wheel 46 is in transmission connection with the second transmission wheel 47 through the transmission belt 45; when the protective cover 21 is opened in a sliding manner, the protective cover 21 drives the gear 44 to move, so that the gear 44 is driven to rotate by the rack 41, the gear 44 drives the transmission shaft 43 to rotate, and further drives the second transmission wheel 47 to rotate, the second transmission wheel 47 drives the first transmission wheel 46 to rotate by the transmission belt 45, and further drives the connection shaft 24 to rotate, so that the protective cover 22 is rotated by the connection lug 25 until the protective cover 21 is opened in a sliding manner, and the protective cover 22 is opened in a synchronous rotating manner; correspondingly, when the protective cover 21 is slid to be closed, the rack 41 drives the gear 44 to rotate reversely, so as to drive the protective cover 22 to rotate reversely to be closed.
Specifically, the test pencil storage mechanism 5 includes a limiting sliding groove 51, a screw rod 52, a sliding block 53, a connecting rod 54, a pencil cap 55, a worm 56 and a worm wheel 57, the limiting sliding groove 51 is disposed on the inner wall of the top of the protective cover 21, the screw rod 52 is movably mounted in the limiting sliding groove 51, the sliding block 53 is slidably mounted in the limiting sliding groove 51, the sliding block 53 is in threaded connection with the screw rod 52, the pencil cap 55 is fixedly connected and mounted on the bottom surface of the sliding block 53 through the connecting rod 54, the worm 56 is fixedly mounted at one end of the screw rod 52, the worm wheel 57 is fixedly mounted on the connecting shaft 24, and the worm 56 is in meshing transmission connection with the worm wheel 57; the test pencil 11 is clamped in the pencil sleeve 55, when the protective cover 21 is opened in a sliding manner to drive the connecting shaft 24 to rotate, the connecting shaft 24 drives the worm 56 to rotate through the worm wheel 57, so as to drive the screw rod 52 to rotate, the screw rod 52 drives the sliding block 53 to move in a threaded manner, so as to drive the pencil sleeve 55 and the test pencil 11 to move, so that one end of the test pencil 11 extends out of one end of the protective cover 21, the test pencil 11 is convenient to take and use, and the test pencil is convenient to be inserted and clamped into the pencil sleeve 55 again after being used up, correspondingly, when the protective cover 21 is closed in a sliding manner, the screw rod 52 rotates reversely, the pencil sleeve 55 drives the test pencil 11 to move towards the inside of the protective cover 21 until the pencil sleeve 55 is reset, and the test pencil 11 is completely retracted into the protective cover 21.
Specifically, the support adjusting mechanism 3 includes a rotating plate 31, a telescopic support plate 32, a groove 33, a hinge shaft 34, a slot 35, a plurality of limit pin holes 36, a mounting hole 37, a cylindrical pin 38, and a spring 39, the groove 33 is disposed on the back of the multimeter body 1, the rotating plate 31 is disposed inside the groove 33, one end of the rotating plate 31 is movably connected with one end of the groove 33 through the hinge shaft 34, the other end of the rotating plate 31 is provided with the slot 35, the telescopic support plate 32 is movably inserted into the slot 35, the surface of one end of the rotating plate 31 is provided with a plurality of evenly distributed limit pin holes 36, the limit pin holes 36 are all communicated with the slot 35, the insertion end of the telescopic support plate 32 is provided with the mounting hole 37, the cylindrical pin 38 is movably inserted into the mounting hole 37, the bottom end of the cylindrical pin 38 is elastically connected with the bottom surface of the mounting hole 37 through the spring 39, and the top end of the cylindrical pin 38 is inserted into one of the limiting pin holes 36; when the universal meter main body 1 needs to be used, the hinge shaft 34 rotates to open the rotating plate 31, so that a certain included angle is formed between the rotating plate 31 and the universal meter main body 1, then the bottom of the telescopic support plate 32 is supported on a table top, the back of the universal meter main body 1 is obliquely supported, the universal meter main body 1 can be obliquely placed on the table top, then the cylindrical pin 38 can be pressed according to use requirements, the cylindrical pin 38 retracts into the mounting hole 37, the inserting depth of the telescopic support plate 32 in the slot 35 is adjusted, the cylindrical pin 38 is clamped in the limiting pin hole 36 in the corresponding position, the overall length of the rotating plate 31 and the telescopic support plate 32 is adjusted, and the inclination angle of the universal meter main body 1 is adjusted.
When the automatic opening and closing device is used, the protective cover 21 is gradually opened by sliding along the sliding groove 23, the protective cover 21 drives the gear 44 to move, so that the gear 44 is driven to rotate through the rack 41, the gear 44 drives the transmission shaft 43 to rotate, and further drives the second transmission wheel 47 to rotate, the second transmission wheel 47 drives the first transmission wheel 46 to rotate through the transmission belt 45, and further drives the connecting shaft 24 to rotate, so that the protective cover 22 is rotated through the connecting lug 25 until the protective cover 21 is opened by sliding, and the protective cover 22 is synchronously opened by rotating; meanwhile, in the rotation process of the connecting shaft 24, the connecting shaft 24 drives the worm 56 to rotate through the worm wheel 57, so that the screw rod 52 is driven to rotate, the screw rod 52 drives the sliding block 53 to move outwards through threads, so that the pen cap 55 and the test pencil 11 are driven to move outwards, and one end of the test pencil 11 extends out of one end of the protective cover 21, so that the test pencil 11 can be taken out conveniently, and the test pencil can be inserted and clamped into the pen cap 55 again after being used up; then, the rotating plate 31 is rotated and opened through the hinge shaft 34, so that a certain included angle is formed between the rotating plate 31 and the universal meter main body 1, and then the bottom of the telescopic support plate 32 is supported on the table top, so that the back of the universal meter main body 1 is obliquely supported, and the universal meter main body 1 is obliquely placed on the table top; correspondingly, when the protective cover 21 is closed in a sliding mode, the rack 41 drives the gear 44 to rotate reversely, the connecting shaft 24 is driven to rotate reversely, the protective cover 22 is driven to rotate reversely to be closed, the lead screw 52 is driven to rotate reversely, the pen cap 55 drives the test pencil 11 to move towards the interior of the protective cover 21 until the pen cap 55 is reset, and the test pencil 11 is completely retracted into the protective cover 21.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A circuit electronic experiment monitoring devices which characterized in that: including universal meter main part (1), protection machanism (2), support adjustment mechanism (3), drive mechanism (4), test pencil receiving mechanism (5), the one end of universal meter main part (1) is connected with through the wire and is used for test pencil (11) be connected with the experimental circuit electricity, is used for right universal meter main part (1) protects protection machanism (2) install in the surface of universal meter main part (1), and pass through drive mechanism (4) with universal meter main part (1) transmission is connected, is used for right universal meter main part (1) supports and angle modulation support adjustment mechanism (3) install in the back of universal meter main part (1), be used for right test pencil (11) are accomodate test pencil receiving mechanism (5) install in the inside of protection machanism (2).
2. The circuit electronic experiment monitoring device of claim 1, wherein: the protection mechanism (2) comprises a protection cover (21), a protection cover (22), two sets of sliding grooves (23), two connecting shafts (24) and two connecting lugs (25), the sliding grooves (23) are respectively arranged on two sides of the universal meter main body (1), one end of the protection cover (21) is a closed end, the other end of the protection cover is an open end, the two sides of the open end of the protection cover (21) are respectively slidably clamped in the two sets of sliding grooves (23), the protection cover (22) is arranged on the open end of the protection cover (21), the two sides of the protection cover (22) are respectively fixedly provided with the connecting lugs (25), the two connecting lugs (25) are respectively attached to two sides of the protection cover (21) and pass through the connecting shafts (24) and the protection cover (21) in a movable connection manner, and one ends of the connecting shafts (24) are fixedly connected with the connecting lugs (25), the other end is movably inserted with the protective cover (21) and extends into the protective cover (21).
3. The circuit electronic experiment monitoring device of claim 2, wherein: drive mechanism (4) include rack (41), mounting groove (42), transmission shaft (43), gear (44), drive belt (45), first drive wheel (46), second drive wheel (47), rack (41) fixed mounting in spout (23), mounting groove (42) are provided with the medial surface of protection casing (21) open end, gear (44) pass through transmission shaft (43) install in the lower extreme of mounting groove (42), just gear (44) with rack (41) meshing transmission is connected, first drive wheel (46) fixed mounting in on connecting axle (24), second drive wheel (47) fixed mounting in on transmission shaft (43), just first drive wheel (46) with pass through between second drive wheel (47) drive connection of drive belt (45).
4. A circuit electronic experiment monitoring device according to claim 3, characterized in that: the test pencil storage mechanism (5) comprises a limit chute (51), a screw rod (52), a slide block (53), a connecting rod (54), a pencil sleeve (55), a worm (56) and a worm wheel (57), the limiting sliding groove (51) is arranged on the inner wall of the top of the protective cover (21), the screw rod (52) is movably arranged in the limiting sliding groove (51), the sliding block (53) is slidably arranged in the limiting sliding groove (51), the sliding block (53) is in threaded connection with the screw rod (52), the pen cap (55) is fixedly connected and installed on the bottom surface of the sliding block (53) through the connecting rod (54), the worm (56) is fixedly arranged at one end of the screw rod (52), the worm wheel (57) is fixedly arranged on the connecting shaft (24), and the worm (56) is in meshed transmission connection with the worm wheel (57).
5. The circuit electronic experiment monitoring device of claim 1, wherein: the supporting and adjusting mechanism (3) comprises a rotating plate (31), a telescopic supporting plate (32), a groove (33), a hinge shaft (34), a slot (35), a plurality of limiting pin holes (36), a mounting hole (37), a cylindrical pin (38) and a spring (39), the groove (33) is arranged on the back of the multimeter body (1), the rotating plate (31) is arranged in the groove (33), one end of the rotating plate (31) is movably connected with one end of the groove (33) through the hinge shaft (34), the slot (35) is arranged at the other end of the rotating plate (31), the telescopic supporting plate (32) is movably inserted in the slot (35), the plurality of uniformly distributed limiting pin holes (36) are arranged on the surface of one end of the rotating plate (31), and the plurality of limiting pin holes (36) are communicated with the slot (35), the inserting end of the telescopic supporting plate (32) is provided with a mounting hole (37), the cylindrical pin (38) is movably inserted into the mounting hole (37), the bottom end of the cylindrical pin (38) is elastically connected with the bottom surface of the mounting hole (37) through the spring (39), and the top end of the cylindrical pin (38) is inserted into one of the limiting pin holes (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110632352.9A CN113341191A (en) | 2021-06-07 | 2021-06-07 | Circuit electronic experiment monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110632352.9A CN113341191A (en) | 2021-06-07 | 2021-06-07 | Circuit electronic experiment monitoring devices |
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| Publication Number | Publication Date |
|---|---|
| CN113341191A true CN113341191A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110632352.9A Pending CN113341191A (en) | 2021-06-07 | 2021-06-07 | Circuit electronic experiment monitoring devices |
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| CN (1) | CN113341191A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371373A (en) * | 2021-12-20 | 2022-04-19 | 胡春磊 | High-voltage power system insulation on-line detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709367A (en) * | 2019-01-25 | 2019-05-03 | 刘晓慧 | A kind of multimeter with test pencil storage and dedusting function |
| CN109782041A (en) * | 2019-02-20 | 2019-05-21 | 深圳市贝优通新能源技术开发有限公司 | A kind of electric power measuring device that the placement with safeguard function is stable |
| CN111650414A (en) * | 2020-06-12 | 2020-09-11 | 河南城建学院 | Electronic circuit monitoring method |
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2021
- 2021-06-07 CN CN202110632352.9A patent/CN113341191A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109709367A (en) * | 2019-01-25 | 2019-05-03 | 刘晓慧 | A kind of multimeter with test pencil storage and dedusting function |
| CN109782041A (en) * | 2019-02-20 | 2019-05-21 | 深圳市贝优通新能源技术开发有限公司 | A kind of electric power measuring device that the placement with safeguard function is stable |
| CN111650414A (en) * | 2020-06-12 | 2020-09-11 | 河南城建学院 | Electronic circuit monitoring method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114371373A (en) * | 2021-12-20 | 2022-04-19 | 胡春磊 | High-voltage power system insulation on-line detector |
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Application publication date: 20210903 |
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