CN201033524Y

CN201033524Y - Conductive wheel structure

Info

Publication number: CN201033524Y
Application number: CNU2007201425131U
Authority: CN
Inventors: 颜丽兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-05-08
Filing date: 2007-05-08
Publication date: 2008-03-12
Anticipated expiration: 2017-05-08

Abstract

The utility model relates to a conductive roller structure, which is characterized in that a wheel is arranged at the bottom of the vehicle body, and an elastic conductive roller with a small diameter is arranged between the two bodies of the vehicle wheel; a conductive wheel assembly is fixedly connected with the vehicle body and the metal wheel hub of the vehicle wheel; a bush is arranged in the conductive wheel assembly and a jacket is arranged in the groove of the bush; a conductive roller is arranged in the jacket; the roller is pivoted in the jacket by a pivot, then extends out of the rectangle guiding groove position on both sides of the bush; a bar body is arrange between the upper end of the jacket and the bush, and an elastic body is arranged on the bar body. The utility model has the advantages that with the design of the small diameter conductive roller, the electrostatic on the vehicle body can be discharged, furthermore, the production cost can be greatly reduced.

Description

The conductive casters structure

Technical field

The utility model relates to a kind of conductive casters structure, refers to a kind of minor diameter electric conductivity roller that is provided with between two wheel bodys of wheel especially, and static reaches the benefit that significantly reduces manufacturing cost on the release car body to reach.

Background technology

For the sufferer that makes bed when the while in hospital is desired to carry out any inspection, can be convenient hyperphoric between the examining of other check, to carry out checks such as tomoscan, magnetic resonance imaging, all can on wheelchair, sick bed, install wheel, the convenience when pushing sufferer inspection diagnosis and treatment with auxiliary increase.

Yet in weather dry and cold season, airborne humidity hour, than being easier to accumulate electric charge, when car body and ground and outer deposits yields rub, promptly can on car body, cause static, and this static adsorbs people's clothing sometimes, sometimes then can produce the sensation of the electric shock of getting an electric shock slightly, and cause people's discomfort, when this adheres electrostatically on wheelchair or the sick bed, especially the patient on the sick bed carries out the medical examination of every precision because of couching often on sick bed, if subsidiary on the sick bed have static then to cause the vicious disappearance of check result quite easily.

Therefore, there is the dealer to research and develop the device that the installing electrostatic prevention disturbs on wheelchair or sick bed caster wheel, it mainly is provided with a wheel pedestal that is connected to general chair underfooting side, and this is taken turns pedestal and laterally runs through and be pivoted with a screw rod, and this screw rod left and right side is organized string respectively with affixed one corresponding roller; This is taken turns pedestal one side and vertically is provided with a central siphon for cross-under one metal wheel shaft, this metal wheel shaft top is fixed in this chair foot bottom, wherein: this metal wheel shaft bottom is installed with a conducting strip, the inner edge surface of left and right two sides of this conducting strip and this roller of difference butt, and the surface of this roller is provided with a conductive layer, static can be passed ground plane in view of the above, reach the function that prevents electrostatic interference.

And should existing be installed in the structure that the electrostatic prevention on wheelchair and the sick bed castor disturbs, mainly be installed with a conducting strip in the metal wheel shaft bottom of this binding car body, again by this conducting strip and the made roller surface mixed metal particles of plastics to contact in the mutual butt of the formed conductive layer of roller surface, be connected to ground and the static on the car body can be passed static by contacted roller conductive layer through conducting strip, static is discharged on the car body and make.

Yet, the design of joining gold metal particles conductive layer on the roller that plastics are made according to this, on manufacturing process, metal must be made graininess, again with metallic particles with after plastic rubber material mixes mutually, reshaping is a wheel, so it is consuming time quite to take a lot of work on manufacturing process, and also general relatively plastic cement wheel made is more expensive on the cost, so, the design people is because but existing electrostatic prevention disturbs the disappearance on the caster wheel structure design, through it for many years in the manufacturing of association area and assisting a ruler in governing a country of design experiences and knowledge, and through clever thought in many ways, disturb caster wheel to do the research and development improvement of upgrading at this electrostatic prevention, must is brought into play its higher Practical Benefit.

Summary of the invention

The technical problems to be solved in the utility model provides a kind of conductive casters structure, and it can make static subsidiary on the car body conduct to ground, and reaches the effect that discharges static on the car body.

Another technical matters to be solved in the utility model provides a conductive casters structure cheaply, effectively reducing production costs, and more closes in consumption required.

For solving the problems of the technologies described above, the utility model proposes a kind of conductive casters structure, in the car body bottom in conjunction with wheel; Wherein: this wheel is provided with metal wheel hub, this metal wheel hub upper end is provided with trepanning, the metal shaft pole pair of this car body should be sheathed be gone into this trepanning, these metal wheel hub two pleurapophysis are stretched wheel shaft, the wheel body of this wheel is articulated in this wheel shaft respectively, between two these wheel bodys, be provided with one with the conductive casters assembly of this metal wheel hub Joint; This conductive casters assembly is provided with a lining, this lining is between the fluting of tool and is provided with a chuck, this chuck is folded with the roller of a tool electric conductivity, this roller is arranged in this chuck by a pivot and is articulated with this chuck, these pivot two ends pass and are positioned these lining two sides and are outside the microscler guide groove of tool, between this chuck upper end and this lining, be provided with a body of rod, be arranged with elastic body on this body of rod.

Preferably, the chuck upper end of this conductive casters assembly is provided with an open-work, this body of rod of being located between this chuck and this lining penetrates this open-work, the described body of rod is placed through the aperture of the outer end of this chuck open-work greater than this chuck open-work, this body of rod one end supports and is located at outside the chuck open-work, and this body of rod end in addition then is connected on this metal wheel hub by this corresponding open-work of establishing tool in lining upper end.

Preferably, this elastic body is a spring.

Therefore, the conductive casters structure that the utility model proposes has following characteristics and advantage:

Mainly at car body bottom assembling wheel, and between two wheel bodys of wheel, be provided with the minor diameter electric conductivity roller of a tool elastic telescopic, be connected with a conductive casters assembly on the metal wheel hub of order binding car body and wheel, this conductive casters assembly is provided with a lining, and be in this cover between the fluting of tool and be provided with a chuck, be folded with the roller of a tool electric conductivity again in this chuck, this roller by a pivot wear be articulated in chuck after, pass again and be positioned outside the microscler guide groove that lining two sides are tool, multiple between chuck upper end and lining, be provided with a body of rod, and on this body of rod sheathed elastic body; Therefore, utilize this minor diameter electric conductivity roller design, can discharge static on the car body, in addition,, more can significantly reach the benefit that reduces manufacturing cost by this minor diameter electric conductivity roller design.

Description of drawings

Fig. 1: three-dimensional exploded view of the present utility model.

Fig. 2: block diagram of the present utility model.

Fig. 3: cross sectional side view of the present utility model.

Fig. 4: running condition figure of the present utility model.

Description of reference numerals:

1 wheel, 11 metal wheel hubs

12 trepannings, 13 wheel shafts

14 wheel bodys, 2 conductive casters assemblies

21 linings, 211 flutings

212 microscler guide groove 213 open-works

22 chucks, 221 open-works

23 rollers, 24 pivots

25 bodies of rod, 251 ends

26 elastic bodys, 3 metal axostylus axostyles

The specific embodiment

At first, see also shown in Figure 1ly, be conductive casters structure of the present utility model, mainly in the car body bottom in conjunction with wheel 1; Wherein:

See also shown in Figure 2, this wheel 1 is provided with metal wheel hub 11, and be provided with trepanning 12 in these metal wheel hub 11 upper ends, and can the buy car in installments metal axostylus axostyle 3 of body of this trepanning 12 is corresponding sheathed, stretch wheel shaft 13 in metal wheel hub 11 2 pleurapophysis again, for the wheel body 14 that articulates wheel 1 respectively, continue 14 of two wheel bodys be provided with one with the conductive casters assembly 2 of metal wheel hub 11 Joints;

This conductive casters assembly 2 is provided with a lining 21 that is ㄇ shape, and be provided with ㄇ clevis cover 22 in 211 of the flutings that this ㄇ shape lining 21 is tool, in this chuck 22, be folded with the roller 23 of a tool electric conductivity again, this roller 23 wears chuck 22 back by a pivot 24 and is articulated with chuck 22, and makes pivot 24 2 ends pass and be positioned outside the microscler guide groove 212 that lining 21 2 sides are tool;

Moreover, please consult shown in Figure 3 again, continue and establish an open-work 221 at chuck 22 upper end tools, and activity wears a body of rod 25 in this open-work 221, and this body of rod 25 is placed through the aperture that chuck 22 its open-work 221 outer ends 251 are slightly larger than chuck 22 open-works 221, the body of rod 25 is held in addition and then is connected in the metal wheel hub 11 by the cooresponding open-work 213 in lining 21 upper ends again, answer sheathed elastic body 26 on this body of rod 25, and this elastic body 26 is a spring.

In view of the above, when using enforcement, please consult shown in Figure 2 again, the user take or lying on car body, and utilize the combination of car body bottom wheel 1 so that car body can move easily, and unavoidable and foreign object rubs each other and produce static on car body when car body moves, especially dry and cold at weather, air humidity is in less season, easier causing adhering to of static, in this, promptly easily make and take or user so the influence of static and idol have the sense of discomfort of got an electric shock electric shock of lying on car body, and this static is if be attached on wheelchair or the sick bed, then often due to illness the people must couch and treat to check in enterprising the practising medicine of sick bed, if subsidiary on the sick bed have the i.e. therefore static and cause the interference of Medical Instruments quite easily of static, make check result produce mistake;

At this moment, connect on the metal wheel hub 11 of the wheel 1 that joins by the utility model itself and car body the roller with electric conductivity 23 established with the electrostatic guide on this car body to ground, can reach the function that prevents the electrostatic interference medical examination and static in view of the above to the situations of taking or the user of lying on car body itself caused such as sense of discomfort.

Other what deserves to be mentioned is, see also shown in Figure 4,11 of the metal wheel hubs of conductive casters assembly 2 its metal rollers 23 of the present utility model and wheel 1 are provided with an elastic body 26, and when elastic body 26 can make the roller 23 of conductive casters assembly 2 tool electric conductivitys flat thus when flat ground surface moves, this tool electric conductivity roller 23 gets compresses elastomeric 26, so that the roller 23 of this tool electric conductivity is in the same plane with the wheel body 14 of wheel 1;

In this, static on the car body is guided on outside the ground by tool electric conductivity roller 23, and can car body steadily be moved, and when car body moves on irregular ground, 23 on the roller of this tool electric conductivity also can keep and the ground state of contact by supporting of elastic body 26, so that the static on the car body can connect to ground the unlikely car body that resides at any time.

Aforesaid embodiment or graphic and non-limiting structure sample attitude of the present utility model or size have suitable variation or the modification of knowing the knowledgeable usually in any affiliated technical field, all should be considered as not breaking away from patent category of the present utility model.

By said structure and the specific embodiment as can be known, the utlity model has following advantage:

1. the utility model only must have conduction by connecing a minor diameter of establishing on the metal wheel hub that joins with car body The property roller, can make on the car body subsidiary static conduct to ground, in this, with existing anti-static electricity interference Castor structure on the roller that plastics are made in conjunction with the design of conductive layer, the cost consumption that causes is compared down, The utility model utilizes a minor diameter electric conductivity roller design, can reach the effect that discharges static on the car body, In addition, minor diameter electric conductivity roller design more thus, and reach the benefit that manufacturing cost is significantly reduced.

2. connect on the metal wheel hub that the utility model utilizes this and car body to join establish one have rolling of electric conductivity Wheel can make static subsidiary on the car body conduct to ground, and reach the effect of static on effective release car body, Accordingly, can prevent the effect of electrostatic interference medical examination instrument, and cause the situation of medical careless mistake, and Static is to the situations such as sense of discomfort of taking or the user of lying on car body itself causes.

3. the utility model roller of making tool electric conductivity is the merit with movable telescopic by the cooperation of elastic component Effect in this, can really make the roller of tool electric conductivity, no matter on smooth or uneven ground, can at any time protect Hold and support in ground, make the static guiding of car body be connected to the state on ground.

Claims

1. conductive casters structure, in the car body bottom in conjunction with wheel; It is characterized in that:

This wheel is provided with metal wheel hub, this metal wheel hub upper end is provided with trepanning, and the metal shaft pole pair of this car body should be sheathed be gone into this trepanning, and these metal wheel hub two pleurapophysis are stretched wheel shaft, the wheel body of this wheel is articulated in this wheel shaft respectively, between two these wheel bodys, be provided with one with the conductive casters assembly of this metal wheel hub Joint;

This conductive casters assembly is provided with a lining, this lining is between the fluting of tool and is provided with a chuck, this chuck is folded with the roller of a tool electric conductivity, this roller is arranged in this chuck by a pivot and is articulated with this chuck, these pivot two ends pass and are positioned these lining two sides and are outside the microscler guide groove of tool, between this chuck upper end and this lining, be provided with a body of rod, be arranged with elastic body on this body of rod.

2. conductive casters structure according to claim 1, it is characterized in that, the chuck upper end of this conductive casters assembly is provided with an open-work, this body of rod of being located between this chuck and this lining penetrates this open-work, the described body of rod is placed through the aperture of the outer end of this chuck open-work greater than this chuck open-work, this body of rod one end supports and is located at outside the chuck open-work, and this body of rod end in addition then is connected on this metal wheel hub by this corresponding open-work of establishing tool in lining upper end.

3. conductive casters structure according to claim 1 is characterized in that this elastic body is a spring.