CN110488051A - A kind of multimeter dehumidification device - Google Patents

A kind of multimeter dehumidification device Download PDF

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Publication number
CN110488051A
CN110488051A CN201910803776.XA CN201910803776A CN110488051A CN 110488051 A CN110488051 A CN 110488051A CN 201910803776 A CN201910803776 A CN 201910803776A CN 110488051 A CN110488051 A CN 110488051A
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CN
China
Prior art keywords
watchcase
multimeter
dehumidification
snorkel
gear
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Pending
Application number
CN201910803776.XA
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Chinese (zh)
Inventor
黄圣扬
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黄圣扬
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Application filed by 黄圣扬 filed Critical 黄圣扬
Priority to CN201910803776.XA priority Critical patent/CN110488051A/en
Publication of CN110488051A publication Critical patent/CN110488051A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D22/00Control of humidity

Abstract

The present invention relates to technology of instrument and meter fields, and disclose a kind of multimeter dehumidification device, including watchcase, indication bin is provided in the watchcase, the inner bottom wall of indication bin is provided with scale dial plate, the watchcase front is equipped with transparent partition, and shaft is equipped in the indication bin, is rotatably connected to pointer on the outside of the shaft.The multimeter dehumidification device, by installing wiper rail in indication bin, when temperature reduces rapidly, because inside pipe casing is in sealing state, internal gas starts to shrink, and rack gear is blocked by suction to the left, this hour rack by fixture block, when temperature dropped to a certain extent, baffle surface, which generates water mist, to be influenced in use, casing internal and external pressure difference is greater than the elastic force of torsional spring, and the pressure in casing becomes larger, when pressure reaches a certain level, rack gear pushes fixture block reset open, and wiper rail resets, and prevents condensation vapor in the lower surface of partition in this way, reading is facilitated, practicability is improved.

Description

A kind of multimeter dehumidification device
Technical field
The present invention relates to technology of instrument and meter field, specially a kind of multimeter dehumidification device.
Background technique
Multimeter is a kind of common electrician tool, in use, observing dial plate by with two test pencil contact measurement objects and reading Number.
It is often improper because using or storing because the leakproofness of multimeter case is poor, it in a humidity environment, may It has steam to enter in watchcase by the gap between watchcase, in this way when temperature reduces rapidly, these steam can be in indication bin Droplet is inside condensed into, influences normally to read, therefore we have proposed a kind of multimeter dehumidification devices to solve the problems, such as.
Summary of the invention
In view of the above-mentioned problems, having the purpose of the present invention is to provide a kind of multimeter dehumidification device and removing internal steam Effect.
The present invention is to realize that technical purpose adopts the following technical scheme that a kind of multimeter dehumidification device, including watchcase, described Indication bin is provided in watchcase, the inner bottom wall of indication bin is provided with scale dial plate, and the watchcase front is equipped with transparent partition, Shaft is installed in the indication bin, is rotatably connected to pointer on the outside of the shaft.
Gear and wiper rail are rotatably connected on the outside of the shaft, gear and wiper rail weld together, the watchcase Two sides it is interspersed be provided with snorkel, offer blow vent on the outside of the snorkel, the snorkel far from watchcase one Viscous stick in end has knob, and bearing is fixedly connected on the inside of the snorkel, is fixedly connected with flabellum and spiral shell on the inside of the bearing Set, the flabellum is between bearing and swivel nut.
The inner left wall of the indication bin is welded with casing, and viscous stick in the inside of described sleeve pipe has buffer spring, the buffering elastic Viscous stick in the right side of spring has rack gear, and teeth are provided with above rack gear, are fixedly connected with screw rod on the right side of the rack gear.
It is opened up on the inside of described sleeve pipe there are four accommodating groove, the inner wall of the accommodating groove is provided with sliding slot, the sliding slot Viscous stick of inner roof wall has reset spring, and viscous stick in the bottom of the reset spring has fixing axle, the outside rotation connection of the fixing axle There is triangle fixture block.
As optimization, the wiper rail, gear and pointer are sequentially distributed from top to bottom, and the pointer does not connect mutually with gear The inside of touching, the snorkel is filled with absorbent wool.
As optimization, the wheel and rack intermeshes, and the lower surface of the wiper rail and partition is in close contact, wiping Item is located at the left side of dial scale zero, does not influence pointer and normally reads, and the screw rod passes through on the inside of swivel nut.
As optimization, torsional spring is installed, the opposite one side of four pieces of fixture blocks is inclined-plane, described between the fixture block and fixing axle The elastic force of reset spring is less than the elastic force of torsional spring, and the two sides of watchcase offer through-hole corresponding with snorkel, the blow vent On the outside of through-hole.
As optimization, the thickness of the rack gear left hand piston plate is greater than the width of accommodating groove.
The present invention have it is following the utility model has the advantages that
1, multimeter dehumidification device, by installing wiper rail in indication bin, when temperature reduces rapidly, because in casing Portion is in sealing state, and internal gas starts to shrink, and rack gear is blocked by suction to the left, this hour rack by fixture block.
When temperature dropped to a certain extent, baffle surface, which generates water mist, to be influenced in use, casing internal and external pressure difference is greater than torsion The elastic force of spring, rack gear push in fixture block rotation income accommodating groove, and rack gear unlock continues to be moved to the left, and band moving gear turns clockwise Dynamic, gear drives wiper rail to rotate clockwise, and the water mist that partition lower surface generates is wiped.
Rack gear continues to be moved to the left, and left side fixture block is pressed into accommodating groove by sliding slot and fixing axle by the inclined-plane of fixture block Interior, last rack gear is blocked by left side fixture block, when the pressure in temperature bottom out, casing becomes larger, when pressure reaches a certain level, Rack gear pushes fixture block reset open, and wiper rail resets, prevents condensation vapor in the lower surface of partition in this way, facilitate reading, improve Practicability.
2, the multimeter dehumidification device installs snorkel by the two sides of watchcase, and when rack gear is mobile, screw rod is also and then moved It is dynamic, flabellum rotation is driven by swivel nut, air is made to open Shi Liudong, steam snorkel is discharged watchcase, and from another side exhaust pipe The air of entrance can absorb moisture by absorbent wool, maintain the drying in indication bin in this way, facilitate reading, extend device Service life.
Detailed description of the invention
Fig. 1 is multimeter dehumidification device structure watchcase schematic diagram of the present invention.
Fig. 2 is 1 enlarged drawing of multimeter dehumidification device structure chart of the present invention.
Fig. 3 is multimeter dehumidification device structural schematic diagram of the present invention.
Fig. 4 is multimeter dehumidification device knot snorkel schematic diagram of the present invention.
Fig. 5 is to scheme at A in multimeter dehumidification device structure chart 4 of the present invention.
Fig. 6 is multimeter dehumidification device structural casing magnified partial view of the present invention.
Fig. 7 is enlarged drawing at B in multimeter dehumidification device structure chart 6 of the present invention.
In figure: 1- watchcase, 2- indication bin, 3- partition, 4- shaft, 5- pointer, 6- gear, 7- wiper rail, 8- snorkel, 9- Blow vent, 10- knob, 11- bearing, 12- flabellum, 13- swivel nut, 14- casing, 15- buffer spring, 16- rack gear, 17- screw rod, 18- accommodating groove, 19- sliding slot, 20- reset spring, 21- fixing axle, 22- fixture block.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
Fig. 1-7, a kind of multimeter dehumidification device, including watchcase 1 are please referred to, it is upper and lower two pieces that watchcase 1, which is divided to, solid by screw Fixed, the two sides of watchcase 1 offer through-hole corresponding with snorkel 8, and indication bin 2, the interior bottom of indication bin 2 are provided in watchcase 1 Wall is provided with scale dial plate, and 1 front of watchcase is equipped with transparent partition 3, shaft 4, the outside of shaft 4 are equipped in indication bin 2 It is rotatably connected to pointer 5, pointer 5 is not in contact with each other with gear 6, prevents from influencing to read.
The outside of shaft 4 is rotatably connected to gear 6 and wiper rail 7, and gear 6 intermeshes with rack gear 16, wiper rail 7, tooth Wheel 6 and pointer 5 are sequentially distributed from top to bottom, and the lower surface of wiper rail 7 and partition 3 is in close contact, and wiper rail 7 is located at dial scale Zero left side does not influence pointer 5 and normally reads, and gear 6 and wiper rail 7 weld together, and the two sides of watchcase 1 are interspersed to be provided with The inside of snorkel 8, snorkel 8 is filled with absorbent wool, and absorbent wool needs to regularly replace, and the outside of snorkel 8 offers blow vent 9, blow vent 9 is located on the outside of through-hole, the one end of snorkel 8 far from watchcase 1 it is viscous it is glutinous have knob 10, it is convenient for loading and unloading, snorkel 8 it is interior Side is fixedly connected with bearing 11, and the inside of bearing 11 is fixedly connected with flabellum 12 and swivel nut 13, and flabellum 12 is located at bearing 11 and spiral shell Between set 13.
The inner left wall of indication bin 2 is welded with casing 14, and viscous stick in the inside of casing 14 has buffer spring 15, buffer spring 15 Viscous stick in right side has rack gear 16, and the top of rack gear 16 is provided with teeth, and the thickness of 16 left hand piston plate of rack gear is greater than accommodating groove 18 Width, the right side of rack gear 16 are fixedly connected with screw rod 17, and screw rod 17 passes through on the inside of swivel nut 13, when screw rod 17 is mobile, can drive Swivel nut 13 rotates.
The inside of casing 14 is opened up there are four accommodating groove 18, and the inner wall of accommodating groove 18 is provided with sliding slot 19, sliding slot 19 it is interior Roof, which glues to stick, reset spring 20, and the elastic force of reset spring 20 is less than the elastic force of torsional spring, and viscous stick in the bottom of reset spring 20 has admittedly Dead axle 21, the outside of fixing axle 21 are rotatably connected to triangle fixture block 22, are equipped with torsional spring between fixture block 22 and fixing axle 21, and four The opposite one side of block fixture block 22 is inclined-plane.
When temperature reduces rapidly, in sealing state inside casing 14, internal gas is started to shrink, and rack gear 16 is by the left Suction, this hour rack 16 blocked by fixture block 22.
When temperature dropped to a certain extent, 3 surface of partition, which generates water mist, to be influenced in use, 14 internal and external pressure difference of casing is greater than The elastic force of torsional spring, rack gear 16 push in the rotation income accommodating groove 18 of fixture block 22, and the unlock of rack gear 16 continues to be moved to the left, band moving gear 6 rotate clockwise, and gear 6 drives wiper rail 7 to rotate clockwise, and the water mist that 3 lower surface of partition generates is wiped.
Rack gear 16 continues to be moved to the left, and is pressed left side fixture block 22 by sliding slot 19 and fixing axle 21 by the inclined-plane of fixture block 22 Entering in accommodating groove 18, last rack gear 16 is blocked by left side fixture block 22, when the pressure in temperature bottom out, casing 14 becomes larger, when Pressure reaches a certain level, with it is upper similarly, rack gear 16 push open fixture block 22 reset, wiper rail 7 reset.
When rack gear 16 is mobile, screw rod 17 is also and then moved, and drives flabellum 12 to rotate by swivel nut 13, stream when opening air It is dynamic, watchcase 1 is discharged in steam snorkel 8, and the air entered from another side exhaust pipe 8, meeting absorb moisture by absorbent wool, in this way The drying in indication bin 2 is maintained, while in indication bin 2 when air heat shrinkage, gas exchanges can be carried out by snorkel 8, Filter wherein moisture.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (4)

1. a kind of multimeter dehumidification device, including watchcase (1), indication bin (2), partition (3), shaft (4) and pointer (5), special Sign is: gear (6) and wiper rail (7) is connected on the outside of the shaft (4), the two sides of the watchcase (1) are interspersed It is provided with snorkel (8), is offered blow vent (9) on the outside of the snorkel (8), the snorkel (8) is far from watchcase (1) One end is fixedly connected with knob (10), is fixedly connected with bearing (11) on the inside of the snorkel (8), the bearing (11) it is interior Side is fixedly connected with flabellum (12) and swivel nut (13), and the inner left wall of the indication bin (2) is fixedly connected with casing (14), the set It is fixedly connected with buffer spring (15) on the inside of pipe (14), is fixedly connected with rack gear (16) on the right side of the buffer spring (15), It is fixedly connected with screw rod (17), is offered on the inside of described sleeve pipe (14) accommodating groove (18) on the right side of the rack gear (16), it is described The inner roof wall that the inner wall of accommodating groove (18) is provided with sliding slot (19) sliding slot (19) is fixedly connected with reset spring (20), described The bottom of reset spring (20) is fixedly connected with fixing axle (21), is connected with fixture block on the outside of the fixing axle (21) (22)。
2. a kind of multimeter dehumidification device according to claim 1, it is characterised in that: the wiper rail (7), gear (6) It is sequentially distributed from top to bottom with pointer (5), wiper rail (7) is fixed together with gear (6), and the pointer (5) and gear (6) are mutual It does not contact, the inside of the snorkel (8) is filled with absorbent wool.
3. a kind of multimeter dehumidification device according to claim 1, it is characterised in that: the gear (6) and rack gear (16) It intermeshes, the lower surface of the wiper rail (7) and partition (3) is in close contact, and wiper rail (7) is located at a left side for dial scale zero Side, the screw rod (17) pass through on the inside of swivel nut (13).
4. a kind of multimeter dehumidification device according to claim 1, it is characterised in that: the fixture block (22) and fixing axle (21) torsional spring is installed, the opposite one side of four pieces of fixture blocks (22) is inclined-plane, and the elastic force of the reset spring (20), which is less than, to be turned round between The elastic force of spring, the two sides of the watchcase (1) offer through-hole corresponding with snorkel (8), and the blow vent (9) is located at through-hole Outside.
CN201910803776.XA 2019-08-28 2019-08-28 A kind of multimeter dehumidification device Pending CN110488051A (en)

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CN201910803776.XA CN110488051A (en) 2019-08-28 2019-08-28 A kind of multimeter dehumidification device

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Application Number Priority Date Filing Date Title
CN201910803776.XA CN110488051A (en) 2019-08-28 2019-08-28 A kind of multimeter dehumidification device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458071A (en) * 2020-04-30 2020-07-28 曾彩霞 Waterproof fog instrument dial plate

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CN207338917U (en) * 2017-10-23 2018-05-08 郑敏 A kind of quick-dehumidifying device suitable for electric power cabinet
CN108179457A (en) * 2017-12-29 2018-06-19 重庆广福科技有限公司 Electrophoretic painting de-watering apparatus
CN108499917A (en) * 2018-05-18 2018-09-07 江苏新富瑞节能玻璃有限公司 A kind of pinion and-rack window wiping systems
CN108620347A (en) * 2018-04-19 2018-10-09 深圳市晓控通信科技有限公司 A kind of display with cleaning function clearly POS machine
CN109709367A (en) * 2019-01-25 2019-05-03 刘晓慧 A kind of multimeter with test pencil storage and dedusting function
CN209264779U (en) * 2018-12-07 2019-08-16 杭州南威电力有限公司 A kind of intelligent digital displaying meter of water-mist-proof

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6384351B1 (en) * 2000-03-23 2002-05-07 Valeo Electrical Systems, Inc. Switch apparatus for actuating a plurality of electrical circuits
CN101932889A (en) * 2007-09-05 2010-12-29 北京欧科能太阳能技术有限公司 Temperature controlling gravity heat pipe
CN106620962A (en) * 2015-10-30 2017-05-10 无锡沃骐医疗科技有限公司 Syringe
CN106248130A (en) * 2016-07-29 2016-12-21 广东惠利普路桥信息工程有限公司 A kind of instrument that can automatically remove water smoke
CN106623015A (en) * 2016-12-27 2017-05-10 安徽工程大学 Glass cleaning device
CN206618457U (en) * 2017-03-22 2017-11-07 淄博贝林电子有限公司 Shooting direct-reading water meter with automatic pollution removing function
CN207113954U (en) * 2017-09-13 2018-03-16 湖南威铭能源科技有限公司 Antifog water meter
CN207338917U (en) * 2017-10-23 2018-05-08 郑敏 A kind of quick-dehumidifying device suitable for electric power cabinet
CN108179457A (en) * 2017-12-29 2018-06-19 重庆广福科技有限公司 Electrophoretic painting de-watering apparatus
CN108620347A (en) * 2018-04-19 2018-10-09 深圳市晓控通信科技有限公司 A kind of display with cleaning function clearly POS machine
CN108499917A (en) * 2018-05-18 2018-09-07 江苏新富瑞节能玻璃有限公司 A kind of pinion and-rack window wiping systems
CN209264779U (en) * 2018-12-07 2019-08-16 杭州南威电力有限公司 A kind of intelligent digital displaying meter of water-mist-proof
CN109709367A (en) * 2019-01-25 2019-05-03 刘晓慧 A kind of multimeter with test pencil storage and dedusting function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111458071A (en) * 2020-04-30 2020-07-28 曾彩霞 Waterproof fog instrument dial plate

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