CN204376153U - Device for transmitting rotary electric signal - Google Patents

Abstract

The utility model provides a device for transmitting rotary electric signals, which comprises a mandrel, a transmission shaft and a transmission shaft, wherein the mandrel comprises a step surface; the first bearing is clamped on the step surface and comprises a first inner ring body and a first outer ring body sleeved on the periphery of the first inner ring body, and the inner side wall of the first inner ring body is encircled to form a first connecting hole for installing the step mandrel; the second bearing comprises a second inner ring body and a second outer ring body sleeved on the periphery of the second inner ring body, a second assembled hole is formed by the surrounding of the inner side wall of the second inner ring body, and a certain distance is kept between the inner side wall of the second inner ring body and the mandrel; and the elastic unit is pre-compressed in the carrier and is connected between the second outer ring body and the first outer ring body. The utility model discloses a when the bearing is used for the equipment of rotatory demand, except can fixed rotatory dabber, can also stabilize this actuator of runner assembly or the inductor that transmits the electric signal and give the demand electric signal.

Description

For transmitting the device rotating electric signal

Technical field

The utility model relates to provides a kind of for transmitting electric signal to runner assembly device, it means that a kind of tool that is arranged at by multiple bearing rotates in the equipment of demand or module, the ultrasonic waves hilt of such as toolroom machine, to guarantee that piecing devices are transmitted in the rotation telecommunication be electrically connected.

Background technology

Existing processing machine is in order to increase specific function, as dither secondary process, inductor can be set on the folder cutter head of processing machine, and brushgear is set, the brush plate of actuator or inductor and brush is allowed to be electrically connected, external power source is connected with brush, by brush, the electric current of external power source is introduced in actuator or inductor, because folder cutter head is in processing operation process, mandrel can perform the action rotated by carry its tools, brush ring is caused cannot really to contact with brush plate, the even Long Term Contact of brush ring and brush plate, easily cause the wearing and tearing of brush plate, also easily cause the electric current being supplied to actuator or inductor unstable simultaneously, affect the running of actuator and inductor, and the function that original demand promotes machining accuracy cannot be reached, in addition, existing processing machine or other have in the device of rotation demand, its rotary core shaft part commonly uses the two ends that its rotary core shaft of clamp standoff done by single bearing, to reduce the deflection of axle, but support effect like this is also bad, and the rigidity of bearing is also inadequate, easily because board vibration causes the damage of bearing.

With reference to No. I258538, the patent announcement in Taiwan " motor single bearing structure ", this patent is mainly solve following problem: because the progress of modern computer information industry is rapid, make the arithmetic speed of the CPU of information products also more and more fast, the heat produced also with increase, in order to effectively get rid of heat, utilize heat abstractor to be the most substantially be equipped with now, and heat abstractor the most frequently used is at present no more than radiator fan, because of the most convenient in its use, also more cheap in price.About the quality of a radiator fan quality, often depend on the operating condition of motor, the job insecurity of motor must the normal operation of influential system or device entirety, and motor bearing affects the key of motor quality and job stability especially.The ball bearing of general motor is inner uses multiple spheroid usually, when bearing in the running, aforementioned spheroid rotates in this bear box; Only, described bearing easily produces internal clearance, and then has influence on running and the usefulness thereof of motor, such as: the shortcomings such as vibration, noise, heating, the empty consumption of power.Meanwhile, spheroid also can cause the fretting of roller surface in bearing internal vibration.

In order to solve the problem, the major constituents system of this patent includes: an axle center, one fan base, and a bearing, in aforementioned bearings housing, there is multiple spheroid, and this bearing this axle center sheathed, described axle center can be rotated by the carrying of this bearing, said fans seat has the axle bed of a hollow and defines a receiving space, and make described axle center can be located in this axle bed, a protuberance is established in aforementioned axle bed inner edge; It is characterized in that: an elastic parts is set in aforementioned axle bed between this bearing and protuberance, to produce an elastic force effect, precompression is formed to the spheroid of bear box and inside thereof, bearing is avoided to produce internal clearance, keep the spheroid of Bearing inner to be in stable operating condition, the running usefulness of motor can be promoted, and the one end in axle center system forms arc-shaped configuration, be provided with bottom axle bed corresponding described axle center form a groove of arc-shaped configuration, to be connected described axle center person.

The appropriate location in motor axle bed is utilized to establish at least one elastic parts or magnet assembly although above-mentioned patent discloses, to bestow precompression to the spheroid of housing for ball bearing and inside thereof, avoid bearing to produce internal clearance, but but not utilizing multiple bearing to do support the fixing function also simultaneously transmitting electric signal.

Process problems is improved, so there is the necessity being broken through, solve because prior art there is no method.Therefore, how to promote convenience, practicality and economic benefit, this key project should made great efforts solution for industry, overcome.

Edge this, this case utility model people is not because the disappearance of known bearing attains the desirable fact, namely set about researching and developing its solution, wish to develop a kind of have more convenience, practicality and high economic benefit for transmitting the device rotating electric signal, to promote the development of society, satisfy the design when many and have generation of the present utility model.

Utility model content

Inductor is electrically connected with brush based on the known existing rotation demand device (such as processing machine) of improvement, electric current is easily caused to supply unstable, abrasion cost increase soon, bearing is only utilized to do the disappearance supporting fixed single function, it is a kind of for transmitting the device rotating electric signal that the utility model endeavours to study creation, and its structure is as described below:

For transmitting the device rotating electric signal, comprising: a ladder mandrel, this ladder mandrel contains a cascaded surface, one carrier, this carrier is arranged on this ladder mandrel, one clutch shaft bearing, this clutch shaft bearing system is located in this carrier, and be sticked on this cascaded surface, containing one first inner ring body and one first outer ring body being sheathed on this first inner ring body periphery, the madial wall corral of this first inner ring body becomes first joining hole providing this ladder mandrel to install, and is provided with again multiple first ball and rolls between this first outer ring body and this first inner ring body, one second bearing, this the second bearing system is located in this carrier, containing one second inner ring body and one second outer ring body being sheathed on this second inner ring body periphery, the madial wall corral of this second inner ring body becomes one second joining hole, this the second joining hole system is connected with this first joining hole, the madial wall of this second inner ring body also keeps a distance with this mandrel, is provided with again multiple second ball and rolls between this second outer ring body and this second inner ring body, one stop part, this stop part system is located on this second inner ring body, and a Flexible element, this Flexible element system compresses in advance and is located in this carrier, and be connected between this second outer ring body and this first outer ring body, this Flexible element can have various ways: non-conductor spring, or be the insulating base that a conductor spring and is located under this conductor spring, wherein, by inductor transmission one first electric current and with one second electric current of this first electric current dissimilar polarities respectively to this clutch shaft bearing and this second bearing, this first electric current is through this first inner ring body, this first ball, this first outer ring body, this carrier to one first electrode, this second electric current is through this second inner ring body, this second ball, this second outer ring body, this carrier to one second electrode.

Further, the utility model separately can be connected between this first inner ring body and this second inner ring body containing an insulating case for transmitting the device rotating electric signal.

Further, the utility model separately can be located between the madial wall of this second inner ring body and this mandrel containing an electrical insulator for transmitting the device rotating electric signal.

Further, the utility model can be made up of one first carrier and a Second support for this carrier system transmitting the device rotating electric signal, this first carrier is L shape and its one end is provided with an insulation division, this Flexible element is a metal spring and is located on this insulation division again, in addition, also can separately containing one the 3rd carrier be connected with this Second support and one the 3rd bearing, 3rd bearing wears this mandrel and to be sticked on this cascaded surface and to be installed in the 3rd carrier, 3rd bearing contains one the 3rd inner ring body and is sheathed on one the 3rd outer ring body of the 3rd inner ring body periphery, be be connected to each other with one second Flexible element between 3rd outer ring body and this first outer ring body, be provided with again multiple 3rd ball to roll between the 3rd outer ring body and the 3rd inner ring body.

The efficacy advantages that the utility model is reached is as described below:

1. bearing of the present utility model is excessively electric, utilizes many metal dots ball or roller in the axis body of bearing own, reaches Multi-contact excessively electric, reduces contact impedance, reduces the thermal losses produced because of contact impedance.And because of bearing be current standardized product, in application, assembling is convenient, and perpendicularity is high, handy advantage.

2. multiple bearing arrangement of the present utility model, can be carried out multipole (phase) power delivery than single bearing, be reached the transmission of three phase mains as arranged three bearings, and the stability improving the transmission of rotation electric signal is more suitable for high speed rotary.

3. the utility model utilizes the mode of spring unit precompressed to reduce bearing clearance, improves the stability utilizing bearing electricity excessively, with contact impedance when reducing electricity, and increase useful life.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:

Fig. 1 is the structure outward appearance vertical view of the utility model first embodiment.

Fig. 2 is the exploded view of the utility model first embodiment.

Fig. 3 is organigram after the combination of the utility model first embodiment.

Fig. 4 is the organigram of the utility model second embodiment.

Fig. 5 is the organigram of the utility model the 3rd embodiment.

Fig. 6 is the organigram of the utility model the 4th embodiment.

Fig. 7 is the organigram of the utility model the 5th embodiment.

Fig. 8 figure is the use schematic diagram of the utility model the 4th embodiment.

[figure number is to as directed]

Ladder mandrel 10

Cascaded surface 100

Carrier 20

First carrier 200

Second support 201

3rd carrier 203

Insulation division 202

Stop part 21

Clutch shaft bearing 30

First inner ring body 300

First joining hole 301

First ball 302

First outer ring body 303

Second bearing 40

Second inner ring body 400

Second joining hole 401

Second ball 402

Second outer ring body 403

3rd bearing 41

3rd inner ring body 410

3rd ball 411

3rd outer ring body 412

Flexible element 50

Second Flexible element 51

Conductor spring 500

Insulating case 60

Electrical insulator 70

Inductor 80

External power source 90

First electrode 900

Second electrode 901

First electric current A

Second electric current B

Embodiment

For making to have a better understanding and awareness architectural feature of the present utility model and effect of reaching, coordinating detailed description in order to preferred embodiment and accompanying drawing, being described as follows:

With reference to figure 1 the utility model for transmit rotate the structure outward appearance vertical view of device first embodiment of electric signal, the exploded view of Fig. 2 the utility model first embodiment and the utility model first embodiment combination after organigram, the utility model is a kind of for transmitting the device rotating electric signal, comprise: a ladder mandrel 10, this ladder mandrel 10 is containing a cascaded surface 100; One carrier 20, this carrier 20 is arranged on this ladder mandrel 10; One clutch shaft bearing 30, this clutch shaft bearing 30 is located in this carrier 20, and be sticked on this cascaded surface 100, containing one first inner ring body 300 and one first outer ring body 303 being sheathed on this first inner ring body 300 periphery, the madial wall corral of this first inner ring body 300 becomes first joining hole 301 providing this ladder mandrel 10 to install, and is provided with again multiple first ball 302 and rolls between this first outer ring body 303 and this first inner ring body 300; One second bearing 40, this second bearing 40 is located in this carrier 20, containing one second inner ring body 400 and this second outer ring body 403 being sheathed on this second inner ring body 400 periphery, the madial wall corral of this second inner ring body 400 becomes one second joining hole 401, this second joining hole 401 is connected with this first joining hole 301, the madial wall of this second inner ring body 400 also keeps a distance with this mandrel, is provided with again multiple second ball 402 and rolls between this second outer ring body 403 and this second inner ring body 400; One stop part 21, this stop part 21 is located on this second inner ring body 400; And a Flexible element 50, this Flexible element 50 compresses in advance to be located in this carrier 20, and is connected between this second outer ring body 403 and this first outer ring body 303, and this Flexible element 50 can be a non-conductor spring.

With reference to the structure schematic appearance of figure 4 the utility model second embodiment, the utility model second embodiment is the improvement of the first embodiment, this second embodiment is separately provided with an insulating case 60 and is connected between this first inner ring body 300 and this second inner ring body 400, to avoid when conduction uses, this first inner ring body 300 contacts with this second inner ring body 400 and forms identical polar, and cause circuit not lead to, cannot electric signal be transmitted.

With reference to the organigram of figure 5 the utility model the 3rd embodiment, the utility model the 3rd embodiment is the improvement of the first embodiment, the utility model the 3rd embodiment is separately provided with an electrical insulator 70 and is located between the madial wall of this second inner ring body 400 and this mandrel, avoid when conduction uses (as Fig. 7), because this ladder mandrel 10 is electric conductor, if this ladder mandrel 10 all with this first inner ring body 300, when this second inner ring body 400 contacts, the electric polarity of this first inner ring body 300 is identical with the electric polarity of this second inner ring body 400, cause not forming power circuit, therefore an electrical insulator 70 must be utilized to be separated with this second inner ring body 400 by this ladder mandrel 10.

With reference to the organigram that figure 6 is the utility model the 4th embodiment, the utility model the 4th embodiment is the improvement of the 3rd embodiment, this carrier 20 of the utility model the 4th embodiment can be divided into one first carrier 200 and a Second support 201, this first carrier 200 is in L shape and its one end is provided with an insulation division 202, and this Flexible element 50 can be a conductor spring 500 and is located on this insulation division 202 again.

With reference to the organigram that figure 7 is the utility model the 5th embodiment, 5th embodiment is that the 4th embodiment separately has additional one the 3rd carrier 203 and one the 3rd bearing 41 be connected with this Second support 201, 3rd bearing 41 wears this mandrel 10 and to be sticked on this cascaded surface 100 and to be installed in the 3rd carrier 203, 3rd bearing 41 is containing one the 3rd inner ring body 410 and one the 3rd outer ring body 412 being sheathed on the 3rd inner ring body 410 periphery, be connected to each other with one second Flexible element 51 between 3rd outer ring body 412 and this first outer ring body 303, be provided with again multiple 3rd ball 411 to roll between the 3rd outer ring body 412 and the 3rd inner ring body 410, to reach the propagation function of multipole (phase) electric power.

With reference to the use schematic diagram that figure 8 figure is the utility model the 4th embodiment, the utility model is often used in for the device transmitting rotation electric signal to be had in the equipment (not shown) of rotation demand, the equipment of this rotation demand is as processing machine, the utility model connects the inductor 80 (as the first electric current A with shown in the first electric current B of this first electric current dissimilar polarities) this ladder mandrel 10 needing rotate with electric power or signal, this the first outer ring body 303 and this second outer ring body 403 are all fixedly arranged on this carrier 20 also can be electrically connected to external power source 90, current path can be: transmit one first electric current A by this inductor 80 and with one second electric current B of this first electric current A dissimilar polarities respectively to this clutch shaft bearing 30 and this second bearing 40, this first electric current A is through this first inner ring body 300, this first ball 302, this first outer ring body 303, one first electrode 900 of this carrier 20 to external power source 90, this second electric current B is through this second inner ring body 400, this second ball 402, this second outer ring body 403, one second electrode 901 of this carrier 20 to external power source 90, when this ladder mandrel 10 rotates, this first inner ring body 300, this inductor 80, this first ball 302 with rotation and rolling, this first outer ring body 303, this second outer ring body 403 does not rotate with this ladder mandrel 10, guarantee this first inner ring body 300, electrical connection between this first outer ring body 303 and actuator/inductor 80, and this first outer ring body 303, the electrical connection of this second outer ring body 403 and external power source, utilize the first ball 302 excessively electric to reach Multi-contact, reduce contact impedance, reduce the thermal losses produced because of contact impedance, in addition referring again to Fig. 5, if together with this ladder mandrel 10 is connected to each other with this second inner ring body 400, then this second inner ring body 400 also can and then rotate, in like manner, the 3rd bearing 41 with reference to figure 7 the utility model the 5th embodiment also can form another single phase circuit and each above-mentioned single phase circuit is electrically connected, to reach the propagation function of multipole (phase) electric power, by that analogy, the utility model separately can also be provided with multiple bearing sequential.

Again because this ladder mandrel 10 is in time rotating, this stop part 21 and this cascaded surface 100 are used for backstop respectively and fix this first inner ring body 300 and this second inner ring body 400, this clutch shaft bearing 30 and this second bearing 40 can produce a bearing clearance, therefore this bearing clearance must be eliminated with a Flexible element 50, be improved the eigentone of axle and be suitable for high speed rotary, the deflection of axle can be reduced, improve rotating accuracy and positioning precision, and suppress vibration and noise, more can reach the object that current stabilization is passed on.

Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to the utility model claims.

Claims (6)

1., for transmitting the device rotating electric signal, it is characterized in that, comprising: a mandrel, this mandrel contains a cascaded surface;

One carrier, this vehicle group is located on this ladder mandrel;

One clutch shaft bearing, this clutch shaft bearing system is located in this carrier, and be sticked on this cascaded surface, containing one first inner ring body and one first outer ring body being sheathed on this first inner ring body periphery, the madial wall corral of this first inner ring body becomes first joining hole providing this ladder mandrel to install, and is provided with again multiple first ball and rolls between this first outer ring body and this first inner ring body;

One second bearing, this the second bearing system is located in this carrier, containing one second inner ring body and one second outer ring body being sheathed on this second inner ring body periphery, the madial wall corral of this second inner ring body becomes one second joining hole, this the second joining hole system is connected with this first joining hole, the madial wall of this second inner ring body also keeps a distance with this mandrel, is provided with again multiple second ball and rolls between this second outer ring body and this second inner ring body;

One stop part, this stop part system is located on this second inner ring body; And

One Flexible element, this Flexible element system compresses in advance and is located in this carrier, and is connected between this second outer ring body and this first outer ring body;

Wherein, by inductor transmission one first electric current and with one second electric current of this first electric current dissimilar polarities respectively to this clutch shaft bearing and this second bearing, this first electric current is through this first inner ring body, this first ball, this first outer ring body, this carrier to one first electrode, and this second electric current is through this second inner ring body, this second ball, this second outer ring body, this carrier to one second electrode.

2., as claimed in claim 1 for transmitting the device rotating electric signal, it is characterized in that, wherein, separately be provided with an insulating case and be connected between this first inner ring body and this second inner ring body.

3., as claimed in claim 1 for transmitting the device rotating electric signal, it is characterized in that, wherein, this Flexible element is a non-conductor spring.

4., as claimed in claim 1 for transmitting the device rotating electric signal, it is characterized in that wherein, separately having an electrical insulator to be located between the madial wall of this second inner ring body and this mandrel.

5. as claimed in claim 4 for transmitting the device rotating electric signal, it is characterized in that, wherein, one first carrier and a Second support are contained in this carrier system, this the first carrier system connects this second bearing and is L shape and its one end is provided with an insulation division, this Second support system is connected and fixed on this clutch shaft bearing, and this Flexible element is a conductor spring and is located on this insulation division again.

6. as claimed in claim 5 for transmitting the device rotating electric signal, it is characterized in that, wherein, separately containing one the 3rd carrier be connected with this Second support and one the 3rd bearing, 3rd bearing wears this mandrel and to be sticked on this cascaded surface and to be installed in the 3rd carrier, 3rd bearing contains one the 3rd inner ring body and is sheathed on one the 3rd outer ring body of the 3rd inner ring body periphery, be be connected to each other with one second Flexible element between 3rd outer ring body and this first outer ring body, be provided with again multiple 3rd ball to roll between the 3rd outer ring body and the 3rd inner ring body.