CN109738682B - Universal meter with lighting device - Google Patents
Universal meter with lighting device Download PDFInfo
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- CN109738682B CN109738682B CN201811647050.3A CN201811647050A CN109738682B CN 109738682 B CN109738682 B CN 109738682B CN 201811647050 A CN201811647050 A CN 201811647050A CN 109738682 B CN109738682 B CN 109738682B
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- lamp body
- grab handle
- multimeter
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- ejector sleeve
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- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 238000005286 illumination Methods 0.000 claims description 28
- 238000007906 compression Methods 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 5
- 241001422033 Thestylus Species 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention provides a multimeter with a lighting device, which belongs to the field of current measuring tools and comprises: a measurement subject; the meter pen is provided with a grab handle and a contact pin arranged at the front end of the grab handle, and the contact pin is electrically connected with the measuring body; the inner side of the lamp body is rotationally connected with the front end of the grab handle; and the ejection mechanism is arranged on the grab handle and is used for ejecting the rear end of the lamp body. Compared with the prior art, the multimeter of the lighting device has the advantages that the lamp body can rotate by rotatably connecting the inner side of the multimeter with the front end of the grab handle and the rear end of the lamp body is pushed by the pushing mechanism to control the rotating angle of the lamp body, so that the angle adjustment of the lamp body is realized, and the angle of the lamp body is adjusted as required when the multimeter is used to light instruments in the electric cabinet box.
Description
Technical Field
The invention belongs to the technical field of current measuring tools, and particularly relates to a multimeter with a lighting device.
Background
The general digital multimeter can be used for measuring a plurality of parameters such as alternating current, capacitance, inductance and semiconductor, and is widely used. The existing digital multimeter generally comprises a multimeter body and two meter pens, wherein a measuring circuit connected with the two meter pens through electric wires is arranged in the digital multimeter body, and a display screen connected with the measuring circuit is arranged on the digital multimeter body.
In the process of using the digital multimeter to detect, the light inside the electric cabinet box and the like needing to be detected is dark sometimes, an electrician cannot see the structure and the wire connection mode inside the electric cabinet box clearly, a meter pen is difficult to be connected with a part needing to be detected, and a flashlight needs to be searched for lighting additionally at this time, so that the use is inconvenient. In the existing digital multimeter, part of a meter pen is provided with a lighting lamp, but the direction of the lighting lamp cannot be adjusted, and only the area of the tip part of the meter pen can be illuminated, so that a flashlight still needs to be additionally searched for lighting under the condition that other meters of an electric cabinet box need to be observed in the measuring process, and certain limitation still exists.
Disclosure of Invention
The invention aims to provide a multimeter with a lighting device, and aims to solve the technical problems that in the prior art, the direction of a digital multimeter pen-shape meter lighting lamp can not be adjusted, and the instrument in an electric cabinet box is difficult to light in the using process.
In order to achieve the purpose, the invention adopts the technical scheme that: provided is a multimeter with a lighting device, comprising:
a measurement subject;
the meter pen is provided with a grab handle and a contact pin arranged at the front end of the grab handle, and the contact pin is electrically connected with the measuring body;
the inner side of the lamp body is rotationally connected with the front end of the grab handle; and
and the ejection mechanism is arranged on the grab handle and is used for ejecting the rear end of the lamp body.
Furthermore, a compression spring is arranged between the inner side of the front end of the lamp body and the front end of the grab handle, and the inner side of the middle part of the lamp body is rotatably connected with the front end of the grab handle.
Further, the ejector mechanism includes:
the rear end of the screw is connected with the grab handle; and
the rear end of the ejector sleeve is in threaded connection with the front end of the screw rod, and the front end of the ejector sleeve is abutted to the rear end of the lamp body.
Furthermore, an accommodating groove is formed in the grab handle, and the screw rod and the ejector sleeve are located in the accommodating groove.
Further, the screw rod and the ejector sleeve are respectively parallel to the axis of the grab handle.
Further, the holding tank is located the radial side of grab handle and be with the rectangular shape that the grab handle axis is parallel, the rear end of screw rod with the lateral wall of holding tank rear end is connected.
Furthermore, the periphery of the ejector sleeve is provided with a rotating ring with the outer diameter larger than that of the ejector sleeve, and the radial side face of the rotating ring protrudes out of the accommodating groove.
Furthermore, a supporting block is arranged in the accommodating groove, and the top surface of the supporting block is in sliding fit with the radial side surface of the ejector sleeve.
Furthermore, a line passing hole is formed in the grab handle, one end of the line passing hole faces towards the lamp body, the other end of the line passing hole is formed in the rear end of the grab handle, and the lamp body is electrically connected with a power supply in the measurement main body through a wire penetrating through the line passing hole.
Further, the front end of the lamp body is an irradiation end, and an irradiation range of the irradiation end covers the front end of the contact pin.
The multimeter of the lighting device provided by the invention has the beneficial effects that: compared with the prior art, the multimeter of the lighting device has the advantages that the lamp body can rotate by rotatably connecting the inner side of the multimeter with the front end of the grab handle and the rear end of the lamp body is pushed by the pushing mechanism to control the rotating angle of the lamp body, so that the angle adjustment of the lamp body is realized, and the angle of the lamp body is adjusted as required when the multimeter is used to light instruments in the electric cabinet box.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a front view of a multimeter provided with a lighting arrangement according to an embodiment of the present invention;
fig. 2 is an enlarged sectional view taken at a in fig. 1.
Wherein, in the figures, the respective reference numerals:
1-a measurement subject; 2-a meter pen; 21-a grab handle; 211-a receiving tank; 212-a support block; 213-wire through hole; 22-a stylus; 3-a lamp body; 31-a wire; 32-an irradiation end; 4-a pushing mechanism; 41-screw rod; 42-pushing the sleeve; 421-swivel; 5-compression spring.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 and 2 together, a multimeter with an illumination device according to an embodiment of the present invention will now be described. A multimeter having an illumination device comprising:
a measuring body 1;
a stylus 2 having a grip 21 and a contact pin 22 provided at a tip of the grip 21, the contact pin 22 being electrically connected to the measuring body 1;
the inner side of the lamp body 3 is rotationally connected with the front end of the grab handle 21; and
and the pushing mechanism 4 is arranged on the grab handle 21 and used for pushing the rear end of the lamp body 3.
The multimeter of the lighting device provided by the invention has the beneficial effects that: compared with the prior art, the multimeter of the lighting device has the advantages that the lamp body 3 can rotate by rotatably connecting the inner side of the multimeter with the front end of the grab handle 21, the rear end of the lamp body 3 is pushed by the pushing mechanism 4 to control the rotating angle of the lamp body 3, the angle adjustment of the lamp body 3 is realized, the angle of the lamp body 3 is adjusted as required when the multimeter is used, and instruments in an electric cabinet box are lighted.
Specifically, the measuring body 1 can be a measuring part of a general digital multimeter, the grip 21 and the contact pin 22 of the stylus 2 have the same general structure as the stylus 2 of the general digital multimeter, and the contact pin 22 is coaxially arranged at the front end of the grip 21. The lamp body 3 is located the edge of grab handle 21 front end, and the lamp body 3 is close to for the inboard, sets up swivel 421 in the inboard of lamp body 3 to set up the pivot that passes swivel 421 in grab handle 21 front end, realize that the inboard of lamp body 3 rotates with grab handle 21 front end. The pushing mechanism 4 pushes the rear end of the lamp body 3 forward, so that the lamp body 3 rotates relative to the grip 21, and the lighting direction of the lamp body 3 is changed.
Referring to fig. 2, as a specific embodiment of the multimeter with the lighting device of the present invention, a compression spring 5 is disposed between the inner side of the front end of the lamp body 3 and the front end of the handle 21, and the inner side of the middle portion of the lamp body 3 is rotatably connected to the front end of the handle 21.
Specifically, a rotating ring 421 is fixed on one side of the middle part between the front end and the rear end of the lamp body 3 close to the contact pin 22, and a rotating shaft penetrating through the rotating ring 421 is arranged at the front end of the grip 21, so that the rotation between the inner side of the lamp body 3 and the front end of the grip 21 is realized. The rear end of the lamp body 3 is pushed forward by the pushing mechanism 4, so that the lamp body 3 rotates relative to the grip 21, and the compression spring 5 is compressed by the front end of the lamp body 3. When the pushing mechanism 4 is retracted backward, the elastic force of the compression spring 5 pushes the front end of the lamp body 3 away from the front end of the handle 21, so that the lighting direction of the lamp body 3 is restored. Specifically, the front end of the grip 21 is provided with a mounting groove in which the lamp body 3 is located, and the compression spring 5 is mounted between the inner wall of the mounting groove near the contact pin 22 and the inner side surface of the front end of the lamp body 3.
Referring to fig. 2, as an embodiment of the multimeter with an illumination device provided by the present invention, the pushing mechanism 4 includes:
a screw rod 41, the rear end of which is connected with the grab handle 21; and
the rear end of the ejector sleeve 42 is in threaded connection with the front end of the screw rod 41, and the front end of the ejector sleeve abuts against the rear end of the lamp body 3.
Specifically, the rear end of the screw rod 41 is fixed on the handle 21, and when the pushing sleeve 42 is rotated in use, the rear end of the pushing sleeve 42 is connected with the front end of the screw rod 41 through the thread, so that the total length of the screw rod 41 and the pushing sleeve 42 is increased, and the front end of the pushing sleeve 42 pushes the rear end of the lamp body 3 forward. The total length of the screw rod 41 and the ejector sleeve 42 is increased by the screw connection, and the forward movement amount of the rear end of the lamp body 3 can be more accurately controlled.
Referring to fig. 2, as an embodiment of the multimeter with a lighting device of the present invention, a holding groove 211 is formed on the handle 21, and the screw 41 and the pushing sleeve 42 are located in the holding groove 211. The screw rod 41 and the ejector sleeve 42 are prevented from being exposed to influence the grip 21 held by the operator.
Referring to fig. 2, as an embodiment of the multimeter with the lighting device of the present invention, a screw 41 and a pushing sleeve 42 are respectively parallel to the axis of the handle 21. When measuring, two palms of the operator respectively hold two meter pens 2 to measure, and by adopting the multimeter with the lighting device in the embodiment, the operator can conveniently hold the grab handle 21, and rotate the push sleeve 42 by rubbing the fingers holding the palms, so that the meter pens 2 can be held by one hand, the lighting direction of the lamp body 3 can be adjusted, and the operation is greatly simplified.
Referring to fig. 2, in an embodiment of the multimeter with the illumination device according to the present invention, the receiving groove 211 is disposed on a radial side surface of the handle 21 and has a strip shape parallel to an axis of the handle 21, and a rear end of the screw 41 is connected to a side wall of a rear end of the receiving groove 211.
Specifically, the cross-sectional profile of the receiving groove 211 is U-shaped, with an opening radially outward of the grip 21. The front end of the holding groove 211 extends to the front end of the grip 21 and communicates with the mounting groove, and the rear end of the holding groove 211 is closed and connected to the rear end of the screw 41.
Referring to fig. 2, in an embodiment of the multimeter with an illumination device according to the present invention, a rotating ring 421 having an outer diameter larger than that of the pushing sleeve 42 is disposed on the outer periphery of the pushing sleeve 42, and a radial side surface of the rotating ring 421 protrudes out of the receiving groove 211.
Specifically, the ejector sleeve 42 is located in the receiving groove 211, and the rotary ring 421 having an outer diameter larger than that of the ejector sleeve 42 is fixedly installed on the outer circumference of the ejector sleeve 42, so that the radial side surface of the rotary ring 421 protrudes out of the receiving groove 211. The radial side surface of the rotating ring 421 protrudes out of the receiving groove 211, so that an operator can push the rotating ring 421 out of the receiving groove 211 to drive the ejector sleeve 42 to rotate.
Referring to fig. 2, as an embodiment of the multimeter with the illumination device provided by the present invention, a supporting block 212 is disposed in the receiving groove 211, and a top surface of the supporting block 212 is slidably attached to a radial side surface of the pushing sleeve 42. The supporting block 212 supports the ejector sleeve 42 to prevent the ejector sleeve 42 from swinging.
Specifically, the root of the supporting block 212 is fixed on the inner wall of the receiving groove 211 close to the axis of the handle 21, and the top surface of the supporting block 212 is arc-shaped and attached to the radial side surface of the ejector sleeve 42, so that when the ejector sleeve 42 rotates, the radial side surface of the ejector sleeve 42 can slide along the top surface of the supporting block 212. More specifically, the supporting block 212 is located inside the upper end of the ejector sleeve 42, supporting the upper end of the ejector sleeve 42.
Referring to fig. 2, as a specific embodiment of the multimeter with the illumination device according to the present invention, a wire passing hole 213 is disposed inside the handle 21, one end of the wire passing hole 213 faces the lamp body 3, and the other end is disposed at the rear end of the handle 21, and the lamp body 3 is electrically connected to a power supply inside the measurement body 1 through a wire 31 passing through the wire passing hole 213. So that the wire 31 passes through the inside of the grip 21, the wire 31 is prevented from interfering with the grip of the grip 21. The positive and negative poles of the lamp body 3 are respectively connected with the positive and negative poles of the power supply in the measuring main body 1 through the wires 31, so that the lamp body 3 is powered, and the wires 31 can be connected with a switch in series to control the switch of the lamp body 3.
Referring to fig. 1, as an embodiment of the multimeter with the illumination device provided by the present invention, the front end of the lamp body 3 is an illumination end 32, and the illumination range of the illumination end 32 covers the front end of the contact pin 22. In the illumination direction adjustment range of the lamp body 3, the area capable of being illuminated by the illumination end 32 is the illumination range of the illumination end 32, and the illumination range of the illumination end 32 covers the front end of the stylus 22 to ensure illumination of the front end of the stylus 22.
Specifically, the lamp body 3 adopts a conical reflector, so that the irradiation area of the lamp body 3 is conical, and the irradiation area of the irradiation end 32 can always cover the front end of the contact pin 22 within the adjustment range of the illumination direction of the lamp body 3, so as to ensure the illumination of the front end of the contact pin 22. The irradiation area of the irradiation end 32 of the lamp body 3 may cover the front end of the contact pin 22 in a specific illumination direction within the illumination direction adjustment range of the lamp body 3.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A multimeter having an illumination device, comprising:
a measuring body (1);
the meter pen (2) is provided with a grab handle (21) and a contact pin (22) arranged at the front end of the grab handle (21), and the contact pin (22) is electrically connected with the measuring body (1);
a compression spring (5) is arranged between the inner side of the front end of the lamp body (3) and the front end of the grab handle (21), and the inner side of the middle part of the lamp body (3) is rotatably connected with the front end of the grab handle (21);
the ejection mechanism (4) is arranged on the grab handle (21) and is used for ejecting the rear end of the lamp body (3); the ejection mechanism (4) comprises a screw rod (41) and an ejection sleeve (42); the rear end of the screw rod (41) is connected with the grab handle (21); the rear end of the ejector sleeve (42) is in threaded connection with the front end of the screw rod (41), and the front end of the ejector sleeve (42) is abutted against the rear end of the lamp body (3); and
the accommodating groove (211) is arranged on the grab handle (21) and is used for accommodating the screw rod (41) and the ejector sleeve (42);
wherein the screw rod (41) and the ejector sleeve (42) are respectively parallel to the axis of the grab handle (21).
2. The multimeter having an illumination device according to claim 1, wherein: the holding tank (211) is located the radial side of grab handle (21) and be with grab handle (21) axis parallel rectangular shape, the rear end of screw rod (41) with the lateral wall of holding tank (211) rear end is connected.
3. The multimeter having an illumination device according to claim 1, wherein: the periphery of the ejector sleeve (42) is provided with a rotating ring (421) with the outer diameter larger than that of the ejector sleeve (42), and the radial side face of the rotating ring (421) protrudes out of the accommodating groove (211).
4. The multimeter having an illumination device according to claim 1, wherein: the supporting block (212) is arranged in the accommodating groove (211), and the top surface of the supporting block (212) is in sliding fit with the radial side surface of the ejector sleeve (42).
5. The multimeter having an illumination device according to claim 1, wherein: the inside of grab handle (21) is equipped with line hole (213), cross line hole (213) one end orientation lamp body (3), the other end is located grab handle (21) rear end, lamp body (3) through wear to locate wire (31) in crossing line hole (213) with measure the power electricity in the main part (1) and be connected.
6. The multimeter having an illumination device according to claim 1, wherein: the front end of the lamp body (3) is an irradiation end (32), and the irradiation range of the irradiation end (32) covers the front end of the contact pin (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647050.3A CN109738682B (en) | 2018-12-30 | 2018-12-30 | Universal meter with lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647050.3A CN109738682B (en) | 2018-12-30 | 2018-12-30 | Universal meter with lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109738682A CN109738682A (en) | 2019-05-10 |
| CN109738682B true CN109738682B (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811647050.3A Active CN109738682B (en) | 2018-12-30 | 2018-12-30 | Universal meter with lighting device |
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| CN (1) | CN109738682B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397494Y (en) * | 1999-10-20 | 2000-09-20 | 张宝华 | Universal meter-electroprobe |
| CN202123483U (en) * | 2011-05-13 | 2012-01-25 | 山东科技大学 | Screwdriver with illuminating mechanism |
| CN204153642U (en) * | 2014-11-05 | 2015-02-11 | 九龙坡区铜罐驿渝华机械加工厂 | The LED car lamp of the longitudinal convenient adjustable irradiating angle of self-action |
| CN204495897U (en) * | 2015-02-13 | 2015-07-22 | 李萍 | A kind of test pencil with illumination functions |
| CN208107737U (en) * | 2017-12-22 | 2018-11-16 | 郭志彬 | A kind of intelligent LED lamp being adjusted by rotation |
| CN208139100U (en) * | 2018-05-24 | 2018-11-23 | 中国十七冶集团有限公司 | A kind of novel and multifunctional site operation lamp bracket |
| CN208156051U (en) * | 2018-05-09 | 2018-11-27 | 中国南方电网有限责任公司超高压输电公司百色局 | Novel curved multimeter probe device |
-
2018
- 2018-12-30 CN CN201811647050.3A patent/CN109738682B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2397494Y (en) * | 1999-10-20 | 2000-09-20 | 张宝华 | Universal meter-electroprobe |
| CN202123483U (en) * | 2011-05-13 | 2012-01-25 | 山东科技大学 | Screwdriver with illuminating mechanism |
| CN204153642U (en) * | 2014-11-05 | 2015-02-11 | 九龙坡区铜罐驿渝华机械加工厂 | The LED car lamp of the longitudinal convenient adjustable irradiating angle of self-action |
| CN204495897U (en) * | 2015-02-13 | 2015-07-22 | 李萍 | A kind of test pencil with illumination functions |
| CN208107737U (en) * | 2017-12-22 | 2018-11-16 | 郭志彬 | A kind of intelligent LED lamp being adjusted by rotation |
| CN208156051U (en) * | 2018-05-09 | 2018-11-27 | 中国南方电网有限责任公司超高压输电公司百色局 | Novel curved multimeter probe device |
| CN208139100U (en) * | 2018-05-24 | 2018-11-23 | 中国十七冶集团有限公司 | A kind of novel and multifunctional site operation lamp bracket |
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| Publication number | Publication date |
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| CN109738682A (en) | 2019-05-10 |
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