CN203289729U - Mobile grounding device - Google Patents
Mobile grounding device Download PDFInfo
- Publication number
- CN203289729U CN203289729U CN2011900007208U CN201190000720U CN203289729U CN 203289729 U CN203289729 U CN 203289729U CN 2011900007208 U CN2011900007208 U CN 2011900007208U CN 201190000720 U CN201190000720 U CN 201190000720U CN 203289729 U CN203289729 U CN 203289729U
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- China
- Prior art keywords
- mobile
- grounding device
- cylinder
- article
- mobile grounding
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
- H05F3/02—Carrying-off electrostatic charges by means of earthing connections
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- Elimination Of Static Electricity (AREA)
Abstract
A mobile grounding device (10) comprises a roller (11) rotatably secured to a clamping holder (12) which is attached to a movable or non-movable object (13) and the mobile grounding device is in contact with the ground by its weight to dissipate static electricity from the movable or non-movable object (13) through the mobile grounding device (10) and to the ground. The roller (11) includes an aperture (22) at both opposing ends whereas the clamping holder (12) having an elongate handle portion (12a) formed with a notch (14) at one end and a pair of extended clamping arms (12b) at another end, having both arms (12b) spaced apart with the ends fixed into the respective apertures (22).
Description
Technical field
The utility model relates to earthing device, more specifically, relates to the mobile grounding device that the electrostatic charge for mobile or fixed object dissipates over the ground.
Background technology
Along with the rapid miniaturization development trend of microchip in electronic industry, static discharge (electrostatic discharge, ESD) has become and has improved the quality of products and reduce one of major consideration of the substandard products that cause due to this damage of electrostatic discharge.In, high-tech highly fierce in the competition in the whole world and fast-developing electronics manufacturing industry, the static discharge control and management has become extremely important and indispensable means.
Usually in the ESD control method, in the responsive electronic collection operational environment of ESD all material, human body and machine must ground connection with elimination or minimize the incidence of esd event.Handcart and electric motor car or other move or permanent plant all needs ground connection bar none.Now present, the use of these application of multiple description of the Prior Art and various specific movement or dead earth device is arranged.
United States Patent (USP) 2125378 has been described a kind of earthing device, and its metal part that is attached to vehicle is to discharge the static electricity gathered electric charge to ground from vehicle (lorry).Yet this utility model exists following defect or deficiency.
Only connection chain is flexible so that conductive casters is fixed to upright position in a plane;
The design of interface unit is very complicated and expensive because each coupling part of connection chain is very complicated;
Motion design limitation on single orientation is not suitable for handcart, electric motor car etc. needs the occasion of omnibearing movable.
United States Patent (USP) 6327131 B1 have described a kind of conveying arrangement, it comprises the conduction handcart, be coupled to conductive floor with the conductive pad of this handcart of ground connection, be coupled to the conductive cable of this handcart and be coupled the fixture of this conductive pad to this cable.From a position transport of sensitive element during to another location, this handcart is by conductive pad ground connection when handcart.Yet there is following another group defect in this utility model.
This conductive pad is smooth and bulky, therefore when the transported in hand truck fashion element is crossed over conduction or electrostatic dissipation ground, will cause frictional force to strengthen and the abrasion drag motions.At a lot of clean manufacturing environment, the especially disc driver of today, in wafer manufacturing and other extremely clean manufacturing environments, pull conduction or electrostatic dissipation pad and not only can produce scratch line (especially true when passing through the areal of traffic concentration territory), also can cause particle contamination.
The whole linked system of conductive pad comprises material original paper and the engaging mechanism of quite large quantity, therefore lacks the large-scale economic attraction of implementing.
United States Patent (USP) 6357767 has been described a kind of earthing device, and it is attached on wheel shaft from mobile device, to discharge the electrostatic charge of any gathering to ground.Yet, in its practical application, still have following defect.
When handcart moved, fixedly the electrostatic dissipation pipe " was pressed " ground and is caused continuous abrasive action, and this will produce scratch on the ground, and the level and smooth clean surface that at handcart, from surface cursorily, moves to especially various states of ground is still like this.Particularly remarkable when handcart enters inside from the building outside after the rain, because the sandy soil of moistening Near Ground are especially easily picked up subsequently and pull at moistening or dry clean floor by nonrotational electrostatic dissipation pipe.
, when in today, pulling this electrostatic dissipation pipe on popular especially conduction vein (conductive vein) type electrostatic dissipation or conductive floor, must apply enough power or pressure and be electrically connected to obtain safe fault-free to ground., based on the design of prior art, be difficult to constantly obtain enough crooked pressures or enough polymer bending forces.In fact, in the actual use of product, prior art can not overcome this defect.
Therefore, need the further useful earthing device of research and development, make it not only can rub or, without frictionally motion, have well lower expense and cheap to obtain commercial available assurance less on whole directions.
The utility model content
The utility model comprises that the chucking power by its " long-neck " or " long pawl " design is attached to spring-like or the flexible forceps (clamp) of the uniqueness of cylinder.
When cylinder is in as shown in Figure 1a imperfect resting position, should " long-neck " or " long pawl " structural design be used as pivoting lever and thinks smoothly to pull " rotating freely " is provided.
In " long pawl " design of this uniqueness, need not ball bearing, need not screw, need not bolt or nut, need not adhesive and need not rivet.Should " long pawl " design can simply promptly be attached to movement or the fixing any shaft-like or club shaped structure of article.
A kind of mobile grounding device of the present utility model comprises:
Cylinder, two opposite ends of described cylinder have hole; With
Clamp-on holder, described clamp-on holder has the lengthening handling part that is formed with notch at one end, has a pair of extension clamping limb at the other end, described extension clamping limb each interval and its end are fixed to each hole to be rotatably fixed to described cylinder, described clamp-on holder is fixed to described cylinder through the clamping tension force that described extension clamping limb applies, thereby allows described cylinder to rotate freely with respect to described clamp-on holder;
Described mobile grounding device is attached to fixing or thereby mobile article and contacting with ground by its weight by described mobile grounding device is fixed electrostatic induced current or mobile article is dissipated to described ground from described;
Described cylinder has conduction or dissipation elastic tube.
In mobile grounding device described in the utility model, described cylinder has at least one replaceable conduction or dissipation elastic webbing.
In mobile grounding device described in the utility model, described mobile grounding device is attached to described fixing or mobile article through hanging conductive cords, and an end of described suspension conductive cords is fixed to described fixing or mobile article, and the other end is fixed to described notch.
In mobile grounding device described in the utility model, described mobile grounding device is attached to described fixing or mobile article through hook-shaped folder, and described hook-shaped folder comprises that the promptly part that at one end forms is to be fixed to described notch and flexible arc-shaped button with not in described movement or fixedly on the axle of article.
In mobile grounding device described in the utility model, described fixing or mobile article is electric motor car, handcart or chair.
In mobile grounding device described in the utility model, described fixedly article are shelf, desk, machine or chair.
In mobile grounding device described in the utility model, described clamp-on holder can be attached with brush, described brush be assembled on clamping limb make described brush towards described cylinder with the surface rotatablely moving the described cylinder of middle cleaning.
The utility model utilizes the weight of metal roller to provide suitable gravity to be applied to ground to obtain continuous good contacting between earthing device and conductive floor.
Alternatively, as shown in Fig. 2 a-b, can or insert the electrostatic dissipation pipe on this metal roller at the replaceable conduction of parcel or electrostatic dissipation elastic webbing on metal roller.The noise pollution and in actual use that this can improve user's metal roller, in the time of on the conduction that is still in " conduction vein " type/electrostatic dissipation ground, provide more effective and electrically contact.
As shown in Figure 3, this mobile grounding device can be hooked on hook-shaped folder to obtain without the link grounding system.
Perhaps, as shown in Figure 4, this mobile grounding device can be hooked in and hang on conductive cords to obtain without the mobile grounding system.
Preferably, this conduction or electrostatic dissipation cylinder are equipped with brush in use to clean its surface to keep the good electrical property of roller bearing.
The utility model can obtain simple and durable, reliable method at a low price to be come uniquely to discharge electrostatic charge to ground from mobile trolley or electric motor car or other devices, thus the insurmountable technical problem of solution prior art.
Description of drawings
Fig. 1 a is the perspective view according to mobile grounding device of the present utility model, wherein shows the cylinder that is in undesirable resting position;
Fig. 1 b is the perspective view of the mobile grounding device shown in Fig. 1 a, wherein shows cylinder from this undesirable resting position free to tumble to ideal position;
Fig. 1 c is the perspective view of the mobile grounding device shown in Fig. 1 a, wherein shows cylinder is rolled to desirable rolling position;
Fig. 2 a shows the perspective view of the cylinder of parcel elastic conduction or dissipation pipe;
Fig. 2 b shows at least two elastic conductions of parcel or the perspective view of the cylinder of the band that dissipates;
Fig. 3 shows has the not perspective view of the hook-shaped folder of the flexible arc-shaped button on axles mobile or fixedly article;
Fig. 4 is attached to mobile or the fixing part schematic diagram of the mobile grounding device of article through hanging conductive cords;
Fig. 5 a shows the perspective view of the cylinder that is in the incorrect parcel elastic conduction that pulls position or dissipation pipe;
Fig. 5 b shows the perspective view of the cylinder that is in the parcel elastic conduction that correctly pulls position or dissipation pipe;
Fig. 6 shows the part schematic diagram of notch of the clamp-on holder of mobile grounding device;
Fig. 7 shows the attached perspective view that the mobile grounding device of brush is arranged.
Embodiment
In the following detailed description,, in order to provide thorough understanding of the present utility model, illustrate many specific detail.But those of ordinary skill in the art will be appreciated that the utility model may not carry out when there is no these specific detail.In other cases,, in order not make the utility model indigestibility, do not describe well-known method, program and/or assembly in detail.Now will be in detail with reference to preferred embodiment of the present utility model, the example of described preferred embodiment is set forth in the accompanying drawings.
Fig. 1 a-1c show according to preferred embodiment of the present utility model, with the mobile or electrostatic charge that fixedly uses together with article to dissipate to the mobile grounding device 10 on ground from pulling the schematic diagram of position to the position of rolling.This mobile grounding device 10 comprises cylinder 11.This cylinder 11 has hole 22 to receive clamp-on holder 12 in two opposite end.At this, as shown in Figure 4, this clamp-on holder 12 can be attached to easily mobile or fixedly article 13 with the electrostatic induced currents mobile or fixedly article 13 that dissipate to mobile grounding device 10, arrive ground subsequently.
One end of clamp-on holder 12 has the handling part of lengthening 12a, and the other end extends with a pair of clamping limb 12b.Lengthen handling part 12a and have notch 14.Described a pair of clamping limb 12b each interval and its end are fixed in each hole 22.The concrete structure of notch 14 has been shown in Fig. 6.Clamp-on holder 12 is fixed to cylinder 11 through the clamping tension force that extension clamping limb 12b applies, thereby allows cylinder to rotate freely with respect to clamp-on holder 12.
When cylinder 11 be still in imperfect position (as when cylinder 11 with its axis along as shown in Figure 5 a movement or when fixedly the identical moving direction of article 13 is static), " long pawl " structural design that lengthens " long-neck " of handling part 12a or extend clamping limb 12b is used as pivoting lever and thinks smoothly to pull " free to tumble " is provided." long-neck " feature of this uniqueness will allow the cylinder 11 of mobile grounding device 10 smoothly freely in motion on whole directions, can not cause moving pulling of suddenly enduring suddenly in any rest orientation at mobile grounding device 10.In " long pawl " design of this uniqueness, need not ball bearing, need not screw, need not bolt or nut, need not adhesive and need not rivet.Should " long pawl " design can simply promptly be attached to movement or the fixing any shaft-like or club shaped structure of article.
Alternatively, as shown in Figure 2 a conduction or dissipation elastic tube 18 or as shown in Figure 2 b at least one replaceable conduction or dissipation elastic webbing 19 may be used on cylinder 11.This noise that can guarantee the rotation of metal roller 11 in use and rolling is less.Simultaneously, the elasticity pressure release surface helps to improve electrically contacting between cylinder 11 and conduction or dissipation ground (particularly those have the ground of " intravenous type " conductor wire).
This replaceable conduction or the design of electrostatic dissipation elastic webbing are extremely user friendly.Can be simply and need not any metal tools ground at all and replace conduction or the electrostatic dissipation band damage.Compare with whole prior aries, this feature is unique, because the maintenance of earthing device of the present utility model and more changing jobs becomes more simple and calm.
Alternatively, as shown in Figure 7, this metal roller 11 can be equipped with brush 35 with surperficial in its rolling of middle automated cleaning that rotatablely moves on its clamp-on holder 12.This guarantees not have dust or earth to be deposited on gradually cylinder surface and the electrical property of in use impact conduction or electrostatic dissipation cylinder.Insert brush 35 user friendlyly and it is taken out carry out again rapid cleaning.
The utility model can obtain very simple method at a low price provide omnidirectional, removable, friction free mobile grounding device 10 with effectively from mobile or fixedly article 13 discharge electrostatic charges to ground, thereby solve the insurmountable technical problem of prior art.
To those skilled in the art, it is evident that the utility model can be with other particular form manufacturings under the prerequisite that does not depart from its principal character.Therefore embodiment of the present utility model only should regard exemplary and nonrestrictive as.Protection range of the present utility model by claim but not the description of aforementioned specification limit, and protection range of the present utility model also comprises the various modifications that fall into the utility model protection range.
Claims (7)
1. a mobile grounding device, is characterized in that, comprising:
Cylinder (11), two opposite ends of described cylinder (11) have hole (22); With
Clamp-on holder (12), described clamp-on holder (12) has the lengthening handling part (12a) that is formed with notch (14) at one end, has a pair of extension clamping limb (12b) at the other end, described extension clamping limb (12b) each interval and its end are fixed to each hole (22) to be rotatably fixed to described cylinder (11), the clamping tension force that described clamp-on holder (12) applies through described extension clamping limb (12b) is fixed to described cylinder (11), thereby allows described cylinder (11) to rotate freely with respect to described clamp-on holder (12);
Described mobile grounding device (10) be attached to fixing or mobile article (13) thereby and contact with ground by its weight by described mobile grounding device (10) electrostatic induced current fixed or mobile article (13) is dissipated to described ground from described;
Described cylinder (11) has conduction or dissipation elastic tube (18).
2. mobile grounding device according to claim 1, is characterized in that, described cylinder (11) has at least one replaceable conduction or dissipation elastic webbing (19).
3. mobile grounding device according to claim 1, it is characterized in that, described mobile grounding device (10) is attached to described fixing or mobile article (13) through hanging conductive cords (15), one end of described suspension conductive cords (15) is fixed to described fixing or mobile article (13), and the other end is fixed to described notch (14).
4. mobile grounding device according to claim 1, it is characterized in that, described mobile grounding device (10) is attached to described fixing or mobile article (13) through hook-shaped folder (16), and described hook-shaped folder (16) comprises that the promptly part (17) that at one end forms is to be fixed to described notch (14) and flexible arc-shaped button (20) with not in described movement or fixedly on the axle (21) of article (13).
5. mobile grounding device according to claim 1, is characterized in that, described fixing or mobile article (13) is electric motor car, handcart or chair.
6. mobile grounding device according to claim 1, is characterized in that, described fixedly article are shelf, desk, machine or chair.
7. mobile grounding device according to claim 1 (10), it is characterized in that, described clamp-on holder (12) can be attached with brush (35), described brush (35) be assembled on clamping limb (12b) make described brush towards described cylinder (11) with the surface rotatablely moving the described cylinder of middle cleaning (11).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MYPI2010004264 | 2010-09-09 | ||
| MYPI2010004264 | 2010-09-09 | ||
| PCT/CN2011/079478 WO2012031559A1 (en) | 2010-09-09 | 2011-09-08 | Mobile grounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203289729U true CN203289729U (en) | 2013-11-13 |
Family
ID=45810131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011900007208U Expired - Lifetime CN203289729U (en) | 2010-09-09 | 2011-09-08 | Mobile grounding device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203289729U (en) |
| WO (1) | WO2012031559A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113956A (en) * | 2014-10-31 | 2017-08-29 | 维也纳顺克股份有限公司 | Static discharge device |
| CN110842136A (en) * | 2019-11-14 | 2020-02-28 | 安徽省繁昌县皖南阀门铸造有限公司 | Molding sand collection device for valve casting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2125378A (en) * | 1937-11-22 | 1938-08-02 | Kadas Michael | Tank truck grounding device |
| JPH06349591A (en) * | 1993-06-03 | 1994-12-22 | Fukoku Co Ltd | Static elimination roller and static elimination device for conductive floor |
| JPH0864383A (en) * | 1994-08-17 | 1996-03-08 | Fukoku Co Ltd | Caster for carriage |
| JP2004303704A (en) * | 2003-04-01 | 2004-10-28 | Sanyo Electric Co Ltd | Static eliminator of cart |
| CN201036533Y (en) * | 2006-09-20 | 2008-03-19 | 陈尊山 | Single drum three-brush static vacuum cleaner |
-
2011
- 2011-09-08 CN CN2011900007208U patent/CN203289729U/en not_active Expired - Lifetime
- 2011-09-08 WO PCT/CN2011/079478 patent/WO2012031559A1/en active Application Filing
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107113956A (en) * | 2014-10-31 | 2017-08-29 | 维也纳顺克股份有限公司 | Static discharge device |
| CN107113956B (en) * | 2014-10-31 | 2019-01-18 | 维也纳顺克股份有限公司 | Static discharge device |
| US10660188B2 (en) | 2014-10-31 | 2020-05-19 | Schunk Wien Gesellschaft M.B.H. | Electrostatic discharging device |
| CN110842136A (en) * | 2019-11-14 | 2020-02-28 | 安徽省繁昌县皖南阀门铸造有限公司 | Molding sand collection device for valve casting |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2012031559A1 (en) | 2012-03-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
|
| CX01 | Expiry of patent term |