CN114280347A - Digital high-precision electrician instrument easy to operate - Google Patents

Digital high-precision electrician instrument easy to operate Download PDF

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Publication number
CN114280347A
CN114280347A CN202011032548.6A CN202011032548A CN114280347A CN 114280347 A CN114280347 A CN 114280347A CN 202011032548 A CN202011032548 A CN 202011032548A CN 114280347 A CN114280347 A CN 114280347A
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CN
China
Prior art keywords
groove
digital display
block
fixed
rotary
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Pending
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CN202011032548.6A
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Chinese (zh)
Inventor
周培弟
赖海军
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Hunan Jinlan Electrician Technology Co ltd
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Hunan Jinlan Electrician Technology Co ltd
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Priority to CN202011032548.6A priority Critical patent/CN114280347A/en
Publication of CN114280347A publication Critical patent/CN114280347A/en
Pending legal-status Critical Current

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Abstract

The invention discloses an easy-to-operate digital high-precision instrument for electricians, which comprises a handheld digital display multimeter, wherein a protective shell is arranged at the bottom of the handheld digital display multimeter, a connecting groove is formed in the surface of the protective shell, the handheld digital display multimeter is connected with the connecting groove in a clamping manner, guide grooves are symmetrically formed in the bottom end of the handheld digital display multimeter, guide blocks are symmetrically fixed at the bottom end of the inner wall of the connecting groove, and the guide blocks are connected with the guide grooves in a clamping manner; according to the invention, through the designed limiting block, when the protective shell is required to be installed on the handheld digital display multimeter, the protective shell can be conveniently and quickly connected through the designed connecting groove, the guide block, the operation groove A, the operation groove B, the limiting groove, the through groove, the limiting block, the sliding groove, the sliding block, the clamping groove, the buckle and the push block, and compared with the prior art, the protective shell can better protect the handheld digital display multimeter.

Description

Digital high-precision electrician instrument easy to operate
Technical Field
The invention belongs to the technical field of handheld digital display multimeters, and particularly relates to an easy-to-operate digital high-precision electrical instrument.
Background
Multimeters, also known as multimeters, multi-purpose meters, etc., are indispensable measurement instruments for power electronics, etc., generally measure voltage, current and resistance, are divided into pointer multimeters and digital multimeters according to display modes, are multifunctional, multi-range measurement instruments, generally multimeters can measure direct current, alternating current, resistance, audio level, etc., some parameters (such as beta) of alternating current, capacitance, inductance, semiconductor, etc., multimeters are magnetoelectric instruments with rectifiers and can measure a plurality of electrical parameters of alternating current, direct current, voltage, resistance, etc., for each electrical quantity, there are generally several ranges, also known as multi-purpose meters or multimeters for short, the multimeter is a current meter (meter head), the universal meter comprises a measuring circuit, a selection switch and the like, and can conveniently measure various electrical parameters through the transformation of the selection switch, the main basis of the circuit calculation is closed circuit ohm law, the universal meters are various, and the selection is carried out according to different requirements when in use.
The existing handheld digital display multimeter still has some disadvantages when in use: the surface of current hand-held type digital display universal meter does not have any protector, has leaded to when using, and operating personnel if carelessly let the hand-held type digital display universal meter appear colliding with, fall the condition back, can let the hand-held type digital display universal meter appear damaging to can't use.
Disclosure of Invention
The invention aims to provide a digital high-precision electrical instrument easy to operate, and aims to solve the problem that an existing handheld digital display multimeter in the background art is not provided with any protection device on the surface, so that when the handheld digital display multimeter is used, if an operator carelessly collides and falls the handheld digital display multimeter, the handheld digital display multimeter can be damaged, and the handheld digital display multimeter cannot be used.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an easy operation's digital high accuracy instrument for electrician, includes hand-held type digital display multimeter, hand-held type digital display multimeter's bottom is provided with protective housing, protective housing's surface has seted up the spread groove, hand-held type digital display multimeter and spread groove block are connected, hand-held type digital display multimeter's bottom symmetry has seted up the guide way, the inner wall bottom symmetry of spread groove is fixed with the guide block, the guide block is connected with the guide way block, operation groove A has been seted up at hand-held type digital display multimeter's top, operation groove B has been seted up on the inner wall top of spread groove, the bilateral symmetry of hand-held type digital display multimeter has seted up the spacing groove, protective housing's bilateral symmetry has seted up the recess, the inner wall of recess runs through and has seted up through the groove, the inside of through the groove is provided with the stopper, the one end and the spacing groove block of stopper are connected, the inner wall of the through groove is symmetrically provided with sliding grooves, the surface of the limiting block is symmetrically fixed with sliding blocks, the sliding grooves are connected with the sliding blocks in a sliding mode, the inner wall of the through groove is symmetrically provided with clamping grooves relative to the inner wall of the sliding grooves, the surface of the limiting block is symmetrically fixed with buckles relative to the inner side of the sliding blocks, the buckles are connected with the clamping grooves in a clamping mode, and the other end of the limiting block is fixed with a pushing block relative to the inner portion of the groove.
Preferably, the bottom of protective housing has seted up the board groove, the inside in board groove is provided with the fagging to one side, the fagging is connected with board groove block, the inner wall symmetry in board groove has seted up soon the groove, the tip symmetry of fagging is fixed with revolves the piece, revolve piece and revolve groove swivelling joint, the surperficial equidistance of revolving the piece is fixed with fixed tooth, the inner wall equidistance of revolving the groove is fixed with spacing tooth, spacing tooth is connected with fixed tooth block, the bottom of protective housing has seted up the ring channel for the bilateral symmetry in board groove, the inside of ring channel is provided with the swing arm, the surface laminating of swing arm and fagging, be connected with the fixed axle between swing arm and the ring channel.
Preferably, the rotating rod is a plastic component, and the end part of the rotating rod is of an arc-shaped structure.
Preferably, the cross section of the fixed teeth is of a rectangular structure, and the fixed teeth are attached to the surfaces of the limiting teeth.
Preferably, the surface of the handheld digital display multimeter is provided with a display screen, and the bottom of the display screen is provided with a key.
Preferably, the cross section of the limiting groove is of an L-shaped structure, and the limiting groove is attached to the surface of the limiting block.
Preferably, the surface of the push block is provided with anti-skid stripes, and the anti-skid stripes are rubber components.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the designed limiting block, when the protective shell is required to be installed on the handheld digital display multimeter, the protective shell can be conveniently and quickly connected through the designed connecting groove, the guide block, the operation groove A, the operation groove B, the limiting groove, the through groove, the limiting block, the sliding groove, the sliding block, the clamping groove, the buckle and the push block, and compared with the prior art, the protective shell can better protect the handheld digital display multimeter.
2. According to the invention, through the designed inclined supporting plate, when the handheld digital display multimeter needs to be operated by two hands for measurement, the inclined supporting plate can be screwed out of the plate groove through the designed rotary groove, rotary block, fixed tooth, limiting tooth, annular groove, rotary rod and fixed shaft, so that the handheld digital display multimeter can be supported conveniently.
Drawings
FIG. 1 is a schematic view of the external structure of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1 according to the present invention;
FIG. 3 is a schematic view of a spacing groove structure according to the present invention;
FIG. 4 is a schematic view of the structure of the through-groove of the present invention;
FIG. 5 is a schematic view of the construction of the slanted strut of the present invention;
FIG. 6 is an enlarged view of the position B of FIG. 5 according to the present invention;
in the figure: 1. a hand-held digital display multimeter; 2. a protective housing; 3. connecting grooves; 4. a guide groove; 5. a guide block; 6. an operation groove A; 7. an operation groove B; 8. a limiting groove; 9. a groove; 10. a through groove; 11. a limiting block; 12. a chute; 13. a slider; 14. a card slot; 15. buckling; 16. a push block; 17. a plate groove; 18. a diagonal bracing plate; 19. rotating the groove; 20. rotating the block; 21. fixing teeth; 22. limiting teeth; 23. an annular groove; 24. rotating the rod; 25. and fixing the shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 4, the present invention provides a technical solution: an easily-operated digital high-precision instrument for electricians, comprises a handheld digital display multimeter 1, a protective shell 2 is arranged at the bottom of the handheld digital display multimeter 1, a connecting groove 3 is formed in the surface of the protective shell 2, the handheld digital display multimeter 1 is connected with the connecting groove 3 in a clamping manner, a guide groove 4 is symmetrically formed in the bottom end of the handheld digital display multimeter 1, guide blocks 5 are symmetrically fixed at the bottom end of the inner wall of the connecting groove 3, the guide blocks 5 are connected with the guide groove 4 in a clamping manner, an operation groove A6 is formed in the top of the handheld digital display multimeter 1, an operation groove B7 is formed in the top end of the inner wall of the connecting groove 3, a limiting groove 8 is symmetrically formed in each side of the handheld digital display multimeter 1, grooves 9 are symmetrically formed in each side of the protective shell 2, a penetrating groove 10 is formed in the inner wall of each groove 9 in a penetrating manner, a limiting block 11 is arranged inside the penetrating groove 10, one end of each limiting block 11 is connected with the limiting groove 8 in a clamping manner, run through the inner wall symmetry of groove 10 and seted up spout 12, the surface symmetry of stopper 11 is fixed with slider 13, spout 12 and slider 13 sliding connection, run through the inner wall of groove 10 and seted up draw-in groove 14 for the inner wall symmetry of spout 12, the surface of stopper 11 is fixed with buckle 15 for the inboard symmetry of slider 13, buckle 15 is connected with draw-in groove 14 block, the other end of stopper 11 is fixed with ejector pad 16 for the inside of recess 9, it is spacing to stopper 11 at the inside of spacing groove 8 to be connected through buckle 15 and draw-in groove 14 block, so that install protective housing 2 on hand-held type digital display multimeter 1
Example 2
Referring to fig. 1 to 6, the present invention provides a technical solution: an easily-operated digital high-precision instrument for electricians, comprises a handheld digital display multimeter 1, a protective shell 2 is arranged at the bottom of the handheld digital display multimeter 1, a connecting groove 3 is formed in the surface of the protective shell 2, the handheld digital display multimeter 1 is connected with the connecting groove 3 in a clamping manner, a guide groove 4 is symmetrically formed in the bottom end of the handheld digital display multimeter 1, guide blocks 5 are symmetrically fixed at the bottom end of the inner wall of the connecting groove 3, the guide blocks 5 are connected with the guide groove 4 in a clamping manner, an operation groove A6 is formed in the top of the handheld digital display multimeter 1, an operation groove B7 is formed in the top end of the inner wall of the connecting groove 3, a limiting groove 8 is symmetrically formed in each side of the handheld digital display multimeter 1, grooves 9 are symmetrically formed in each side of the protective shell 2, a penetrating groove 10 is formed in the inner wall of each groove 9 in a penetrating manner, a limiting block 11 is arranged inside the penetrating groove 10, one end of each limiting block 11 is connected with the limiting groove 8 in a clamping manner, run through the inner wall symmetry of groove 10 and seted up spout 12, the surface symmetry of stopper 11 is fixed with slider 13, spout 12 and slider 13 sliding connection, the draw-in groove 14 has been seted up for the inner wall symmetry of spout 12 to the inner wall that runs through groove 10, the surface of stopper 11 is fixed with buckle 15 for the inboard symmetry of slider 13, buckle 15 is connected with draw-in groove 14 block, the other end of stopper 11 is fixed with ejector pad 16 for the inside of recess 9, it is spacing to stopper 11 in the inside of spacing groove 8 to be connected through buckle 15 and draw-in groove 14 block, so that install protective housing 2 on hand-held type digital display multimeter 1.
In this embodiment, preferably, the bottom of the protective housing 2 is provided with a plate groove 17, an inclined supporting plate 18 is disposed inside the plate groove 17, the inclined supporting plate 18 is connected with the plate groove 17 in a clamping manner, rotary grooves 19 are symmetrically formed in the inner wall of the plate groove 17, rotary blocks 20 are symmetrically fixed at the end portions of the inclined supporting plate 18, the rotary blocks 20 are rotatably connected with the rotary grooves 19, fixed teeth 21 are fixed on the surfaces of the rotary blocks 20 at equal intervals, limit teeth 22 are fixed on the inner wall of the rotary grooves 19 at equal intervals, the limit teeth 22 are connected with the fixed teeth 21 in a clamping manner, annular grooves 23 are symmetrically formed in the bottom of the protective housing 2 relative to the two sides of the plate groove 17, a rotary rod 24 is disposed inside the annular groove 23, the rotary rod 24 is attached to the surface of the inclined supporting plate 18, and a fixed shaft 25 is connected between the rotary rod 24 and the annular grooves 23, the rotary block 20 is rotatably connected with the rotary groove 19, so that the inclined supporting plate 18 is screwed out from the inner part of the plate groove 17, and the handheld digital display multimeter 1 is obliquely supported.
In this embodiment, preferably, the rotating rod 24 is a plastic member, and the end of the rotating rod 24 is an arc-shaped structure, so that the rotating rod 24 can be conveniently moved.
In this embodiment, preferably, the cross section of the fixing teeth 21 is a rectangular structure, and the fixing teeth 21 are attached to the surface of the limiting teeth 22, so that the fixing teeth 21 are conveniently connected with the limiting teeth 22 in a clamping manner.
In this embodiment, preferably, a display screen is arranged on the surface of the handheld digital multimeter 1, and a key is arranged at the bottom of the display screen, so that the handheld digital multimeter 1 can be conveniently operated by the key.
In this embodiment, preferred, the cross section of spacing groove 8 is L type structure, and spacing groove 8 is laminated with the surface of stopper 11, and the spacing groove 8 of being convenient for is connected with stopper 11 block.
In this embodiment, preferably, the surface of the pushing block 16 is provided with anti-slip stripes, and the anti-slip stripes are rubber members, so as to facilitate anti-slip function.
The working principle and the using process of the invention are as follows: when the invention needs to sleeve the protective shell 2 on the surface of the hand-held digital display multimeter 1, firstly, the hand-held digital display multimeter 1 is obliquely inserted into the connecting groove 3 to be connected with the protective shell 2, the guide block 5 is connected with the guide groove 4 in a clamping way, then, the hand-held digital display multimeter 1 is pressed to be completely clamped into the connecting groove 3, the limit block 11 is embedded into the inner opening of the limit groove 8, then, the push block 16 is pushed to move in the groove 9, the push block 16 drives the limit block 11 to move in the through groove 10 while moving, and the slide block 13 slides with the inner part of the sliding groove 12, when the limit block 11 moves from one end to the other end in the through groove 10, the end part of the limit block 11 also moves to the inner depth from the inner opening of the limit groove 8, and finally, the limit block 11 is limited by the clamping connection of the buckle 15 and the clamping groove 14, finishing the connection work of the protective casing 2 and the handheld digital display multimeter 1, when the handheld digital display multimeter 1 and the protective casing 2 need to be disassembled, firstly pushing the push block 16 to move in the groove 9 to drive the limit block 11 to move in the through groove 10, meanwhile, the slide block 13 is in the sliding groove 12, enabling the end part of the limit block 11 to move to the opening from the deep inside of the limit groove 8, at the moment, the buckle 15 is also extruded and separated by the clamping groove 14, then, the operation groove A6 is poked through the operation groove B7, the operation groove A6 drives the handheld digital display multimeter 1 to withdraw from the inside of the connecting groove 3, then, the handheld digital display multimeter 1 is obliquely pulled out from the inside of the connecting groove 3, the guide block 5 is separated from the guide groove 4, the handheld digital display multimeter 1 can be separated from the protective casing 2, when the handheld digital display multimeter 1 needs to be supported in an auxiliary manner, firstly, the rotating rod 24 is shifted to rotate in the annular groove 23 through the fixing shaft 25 to unscrew from the surface of the inclined supporting plate 18, then the inclined supporting plate 18 is shifted to rotate in the rotary groove 19 through the rotating block 20 to drive the fixed teeth 21 and the limiting teeth 22 to extrude and rub, the inclined supporting plate 18 can be screwed out from the inside of the plate groove 17, then the inclined supporting plate 18 is limited through the clamping connection of the fixed teeth 21 and the limiting teeth 22, and then the handheld multimeter 1 can be supported in an auxiliary mode through the digital display inclined supporting plate 18.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an easy digital high accuracy instrument for electrician of operation, includes hand-held type digital display universal meter (1), its characterized in that: the bottom of hand-held type digital display multimeter (1) is provided with a protective housing (2), the connecting groove (3) has been seted up on the surface of protective housing (2), hand-held type digital display multimeter (1) is connected with connecting groove (3) block, guide way (4) have been seted up to the bottom symmetry of hand-held type digital display multimeter (1), the inner wall bottom symmetry of connecting groove (3) is fixed with guide block (5), guide block (5) and guide way (4) block are connected, operation groove A (6) have been seted up at the top of hand-held type digital display multimeter (1), operation groove B (7) have been seted up at the inner wall top of connecting groove (3), spacing groove (8) have been seted up to the bilateral symmetry of hand-held type digital display multimeter (1), recess (9) have been seted up to the bilateral symmetry of protective housing (2), the inner wall of recess (9) has been seted up and has been run through groove (10), the novel groove structure is characterized in that a limiting block (11) is arranged inside the through groove (10), one end of the limiting block (11) is connected with the limiting groove (8) in a clamping mode, sliding grooves (12) are symmetrically formed in the inner wall of the through groove (10), sliding blocks (13) are symmetrically fixed on the surface of the limiting block (11), the sliding grooves (12) are connected with the sliding blocks (13) in a sliding mode, clamping grooves (14) are symmetrically formed in the inner wall of the through groove (10) relative to the inner wall of the sliding grooves (12), buckles (15) are symmetrically fixed on the surface of the limiting block (11) relative to the inner side of the sliding blocks (13), the buckles (15) are connected with the clamping grooves (14) in a clamping mode, and a pushing block (16) is fixed to the other end of the limiting block (11) relative to the inside of the groove (9).
2. An easy to operate digital high precision electrical instrument according to claim 1, characterized in that: the bottom of the protective shell (2) is provided with a plate groove (17), an inclined supporting plate (18) is arranged inside the plate groove (17), the inclined supporting plate (18) is connected with the plate groove (17) in a clamping manner, rotary grooves (19) are symmetrically formed in the inner wall of the plate groove (17), rotary blocks (20) are symmetrically fixed to the end portion of the inclined supporting plate (18), the rotary blocks (20) are rotatably connected with the rotary grooves (19), fixed teeth (21) are fixed to the surface of each rotary block (20) at equal intervals, limiting teeth (22) are fixed to the inner wall of each rotary groove (19) at equal intervals, the limiting teeth (22) are connected with the fixed teeth (21) in a clamping manner, annular grooves (23) are symmetrically formed in the bottom of the protective shell (2) relative to the two sides of the plate groove (17), rotary rods (24) are arranged inside the annular grooves (23), and the rotary rods (24) are attached to the surface of the inclined supporting plate groove (18), a fixed shaft (25) is connected between the rotating rod (24) and the annular groove (23).
3. An easy to operate digital high precision electrical instrument according to claim 2, characterized in that: the rotary rod (24) is a plastic component, and the end part of the rotary rod (24) is of an arc-shaped structure.
4. An easy to operate digital high precision electrical instrument according to claim 2, characterized in that: the cross section of the fixed teeth (21) is of a rectangular structure, and the fixed teeth (21) are attached to the surfaces of the limiting teeth (22).
5. An easy to operate digital high precision electrical instrument according to claim 1, characterized in that: the surface of the handheld digital display multimeter (1) is provided with a display screen, and the bottom of the display screen is provided with a key.
6. An easy to operate digital high precision electrical instrument according to claim 1, characterized in that: the cross section of spacing groove (8) is L type structure, spacing groove (8) and the surperficial laminating of stopper (11).
7. An easy to operate digital high precision electrical instrument according to claim 1, characterized in that: the surface of the push block (16) is provided with anti-skid stripes, and the anti-skid stripes are rubber components.
CN202011032548.6A 2020-09-27 2020-09-27 Digital high-precision electrician instrument easy to operate Pending CN114280347A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011032548.6A CN114280347A (en) 2020-09-27 2020-09-27 Digital high-precision electrician instrument easy to operate

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011032548.6A CN114280347A (en) 2020-09-27 2020-09-27 Digital high-precision electrician instrument easy to operate

Publications (1)

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CN114280347A true CN114280347A (en) 2022-04-05

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CN202011032548.6A Pending CN114280347A (en) 2020-09-27 2020-09-27 Digital high-precision electrician instrument easy to operate

Country Status (1)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07270456A (en) * 1994-04-01 1995-10-20 Seiko Epson Corp Digital multimeter
CN210800552U (en) * 2019-11-07 2020-06-19 无锡通智浦电子有限公司 Power flow measuring and calculating display device
CN210894462U (en) * 2019-07-05 2020-06-30 银特电子(宁波)有限公司 Novel universal meter
CN211426601U (en) * 2019-12-13 2020-09-04 苏州玖盟信息科技有限公司 Prevent falling and universal meter that socket can hide protection

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07270456A (en) * 1994-04-01 1995-10-20 Seiko Epson Corp Digital multimeter
CN210894462U (en) * 2019-07-05 2020-06-30 银特电子(宁波)有限公司 Novel universal meter
CN210800552U (en) * 2019-11-07 2020-06-19 无锡通智浦电子有限公司 Power flow measuring and calculating display device
CN211426601U (en) * 2019-12-13 2020-09-04 苏州玖盟信息科技有限公司 Prevent falling and universal meter that socket can hide protection

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
陶西;: "手持式数字万用表工作状态的快速判断", 热处理, no. 05, 25 October 2012 (2012-10-25) *

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