CN208806456U - A kind of bus ring - Google Patents

Abstract

The utility model relates to rotate electric connection technology field, provide a kind of bus ring, it includes shell, electrical shell, electrical axis and the cable for connecting electrical shell and electrical axis, electrical shell includes a pair of of arc electrical property shell, and arc electrical property shell includes arc shell and several electric terminals for being interspersed in arc shell；Electrical axis includes several conducting rings；Cable includes several first cores, electrical axis includes the long and short axis at annulate shaft and annulate shaft both ends, the dead ring greater than conducting ring outer diameter is formed between adjacent conductive ring on annulate shaft, make to be formed between adjacent dead ring with the annular groove of conducting ring bottom using this, when electrical axis is fastened in a pair of of arc electrical property shell, several electric terminals respectively fall in corresponding annular groove and contact with conducting ring, it solves the technical issues of rotation electrical connection by previous constructions, has reached the effect for simplifying and being made, reduce cost and promotion product yield.

Description

A kind of bus ring

Technical field

The utility model relates to electric connection technology fields, especially provide a kind of bus ring, which is applicable in nothing Limit the electric connection of rotation.

Background technique

Bus ring is also referred to as collector ring, conducting ring, slip ring, collecting ring, collector ring etc., belongs to continuous rotation and transmits power supply With the arrangements of electric connection of signal, external adapter mechanism (such as rotary pick-up head, mechanical arm can be effectively improved by bus ring Deng) working efficiency and performance.Bus ring is relatively high to the intensity requirement of material, such as has corrosion resistance, wearability and steady Fixed sliding contact.However, the bus ring globality poor of camera is used in the market, as insulating properties is bad, waterproof effect Difference, therefore its stability used cannot be guaranteed, and cause service life short.

Summary of the invention

In order to solve the above technical problems, the main purpose of the utility model is to provide a kind of bus rings.

To reach above-mentioned purpose, the technical solution of the utility model application is: a kind of bus ring includes shell, is set to outer The electrical shell of shell, the electrical axis being set in electrical shell by ball bearing and the cable for connecting electrical shell and electrical axis, in which: Electrical shell includes a pair of of arc electrical property shell, and arc electrical property shell includes arc shell and several electrical ends for being interspersed in arc shell Son；Electrical axis includes several conducting rings；Cable includes the first cable, and the first cable includes several first cores, each first core A conducting ring is respectively welded in head end；Electrical axis includes that several conducting rings are embedded in mold with equidistant form and are solidified through injection molding The annulate shaft of formation and the long and short axis at annulate shaft both ends are formed between adjacent conductive ring exhausted greater than conducting ring outer diameter on annulate shaft Edge ring is made to be formed between adjacent dead ring with the annular groove of conducting ring bottom using this, when electrical axis is fastened on a pair of of arc electricity When in property shell, several electric terminals respectively fall in corresponding annular groove and contact with conducting ring.

In the present embodiment preferably: shell is cylinder, accommodates electrical shell, expands method outward at the Single port of cylinder Blue portion, flange portion are equipped with the screw hole being connected with external equipment.

In the present embodiment preferably: arc shell includes extrados and inner plane, and extrados is equipped with groove, and inner plane is formed There is the cavity relative to groove, in a groove, if close to two long cell walls respectively with the dry end of laterally corresponding and longitudinal equidistant arrangement Sub-aperture, each terminal hole run through cavity from groove.

In the present embodiment preferably: electric terminal is framed, and has cross-arm portion and cross-arm portion both ends in symmetrical fashion Vertically extending elastic portion, two elastic portion have contact portion to convex.

In the present embodiment preferably: when two elastic portion passes through laterally corresponding both ends sub-aperture and is packed into arc shell, cross-arm Portion supports the slot bottom of groove in accumbency form, and two elastic portion root is interfered with laterally corresponding both ends sub-aperture respectively, makes arc Two elastic portion in shell stands on cavity two sides.

In the present embodiment preferably: raised first, second rank portion, the first rank portion are recessed respectively along corresponding two short sides for inner plane Into there is the first curved portion, second-order portion is recessed with respect to the first curved portion the second curved portion, is in the first arc in the first rank portion Portion two sides are respectively equipped with a positioning column and a positioning hole.

In the present embodiment preferably: bus ring further comprises holding rubber ring, and second-order portion is to surround in the form of extrados Recessed to have arc groove, when a pair of of arc electrical property shell fastens, this opposite arc groove forms appearance rubber ring with that arc groove and is nested with Circular trough.

In the present embodiment preferably: bus ring further comprises ball bearing, and ball bearing includes the first, second axis It holds, in which: first bearing in short axle periphery and is stuck in the first curved portion by first bearing outer ring by first bearing inner ring sleeve； Second bearing in the long axis periphery of adjacent annulate shaft and is stuck in the second arc by second bearing outer ring by second bearing inner ring sleeve Portion；When a pair of of arc electrical property shell fasten when, this opposite positioning column be adapted to that location hole and that opposite positioning column and this Location hole adaptation, while this opposite first, second curved portion is fastened with that opposite first, second curved portion respectively, and point The rounded portions of first bearing Xing Cheng not packed tightly and pack tightly the rounded portions of second bearing, make electrical axis by ball bearing with can with this The form of rotation is located in electrical shell.

In the present embodiment preferably: arc shell and electric terminal are the molding same structure of equal dies respectively, when Electric terminal and that opposite arc electrical property shell when opposite arc shell inserts electric terminal, in this opposite arc shell In electric terminal be shift to install mutually.

In the present embodiment preferably: cable further includes the second cable, and the second cable includes the second core wire, and the second core wire is identical In the first core wire quantity and be equally divided into two groups, in which: the head end of every second core wire and phase in this arc shell in one group It welds in the cross-arm portion of a corresponding electric terminal；And the head end of every second core wire is corresponding with that arc shell in another group An electric terminal cross-arm portion welding, make the first cable and the second cable realize rotational communication by bus ring with this.

The utility model compared with prior art, beneficial effect:

1. electrical axis is that conducting ring is embedded in mold through being molded the integral structure for forming several conductions and being located on shaft, infusing Before being moulded into type, the core of cable is respectively welded in each conducting ring inner ring, then forms conducting ring, shaft and cable by injection molding One, can cramped construction, the effect for also improving electrical axis intensity and being connect with cable；

2. electrical shell is formed by identical structure and with two arc shells of opposite fastening, and it is installed with and can clamps conducting ring And with the forked type of conducting ring electrical communication or gate electric terminal.The construction to form electrical shell is fastened by two arc shells, both Ease of assembly also saves die sinking, can effectively reduce manufacturing cost；

3. increasing water proof ring between shell and electrical shell, waterproof effect is improved；

4. being installed with ball bearing between electrical axis and electrical shell, revolving speed can be promoted, rotating friction force can be also reduced, More can strong fix, with this limit electric terminal conducting ring outer ring be in close contact, to realize electric conductivity, wearability and cunning The good purpose of dynamic contact effect, while ensure that the stability to work long hours, and improve product quality and service life.

Detailed description of the invention

Fig. 1 is the schematic perspective view of the present embodiment.

Fig. 2 is the schematic perspective view that emphasis shows another visual angle of the present embodiment.

Fig. 3 is the schematic perspective view that emphasis shows the present embodiment internal structure.

Fig. 4 is the schematic perspective view that emphasis shows an arc electrical property shell in the present embodiment.

Fig. 5 is the decomposition diagram of an arc electrical property shell in the present embodiment.

Fig. 6 is the schematic perspective view that emphasis shows electrical axis in the present embodiment.

Fig. 7 is the schematic perspective view that emphasis shows the first cable connection conducting ring.

Fig. 8 is the schematic perspective view of electrical axis in the present embodiment.

Fig. 9 is that emphasis shows that electrical axis is assembled in the structural schematic diagram in electrical shell.

Figure 10 is that emphasis shows that electrical axis is assembled in another visual angle schematic diagram in electrical shell.

Specific embodiment

Although the utility model can easily show as various forms of embodiments, it is shown in the accompanying drawings and at this What be will be explained in specification is only some of specific embodiments, while being understandable that this specification is construed as The utility model principle it is exemplary illustrated, and be not intended to for the utility model being restricted to it is illustrated herein as.

As a result, a feature pointed in this specification by one embodiment to illustrate the utility model wherein One feature, rather than imply that each embodiment of the utility model must have illustrated feature.Further it is to be noted that It is that present specification describes many features.Although certain features can be combined to show possible system design, These features can also be used for other combinations that explanation is not known.As a result, unless otherwise indicated, illustrated combination is not intended to Limitation.

In the embodiment shown in the figures, the instruction (such as upper, lower, left, right, front and rear) in direction is practical to explain The structure of novel various assemblies and movement are not absolute but opposite.When these components are in position shown in the drawings When, these explanations are suitable.If the explanation of the position of these components changes, the instruction in these directions is also corresponding Ground changes.

Below in conjunction with the attached drawing of this specification, the preferred embodiment of the utility model is further described in detail.

Referring to Figure 1 to providing a kind of bus ring shown in Figure 10, in figure.Bus ring includes shell 10, is set to outer Electrical shell 20 in shell 10 is set to the electrical axis 30 in electrical shell 20 by ball bearing 40, and connects electrical shell 20 and electricity The cable 50 of property axis 30.

Referring to Figure 1 and Fig. 2, shell 10 is cylinder in figure, expands flange portion outward at the Single port of cylinder and (does not mark Note), flange portion is equipped with the screw hole (not marking) that can be connect with external equipment.

Fig. 3 is referred to Fig. 5, Fig. 9 and Figure 10, in figure electrical shell 20 include opposite a pair of of the arc electrical property shell fastened (such as Opposite that, this arc electrical property shell), in which: arc electrical property shell (not marking) includes arc shell 21 and is interspersed in arc shell Electric terminal 22 in 21.In this example, arc shell 21 includes extrados (not marking) and inner plane 212, and extrados is equipped with recessed Slot 211, inner plane 212 is formed with the cavity 2121 of respective slot 211, in groove 211, close to two long cell walls of groove 211 It is formed with (transverse direction) correspondence and (longitudinal direction) equidistant arrangement and is equipped with several terminal holes 2111, each terminal hole 2111 runs through from groove 211 Cavity 2121；Electric terminal 22 is framed and there is cross-arm portion (not marking) and cross-arm portion both ends to extend vertically in symmetrical fashion Elastic portion (not marking), two elastic portion is inwardly symmetrical convex to be had contact portion (not marking) and passes through laterally corresponding terminal hole 2111 And be packed into arc shell 21, cross-arm portion supports the slot bottom of groove 211 in accumbency form, at this time two elastic portion root respectively with transverse direction Corresponding terminal hole 2111 is interfered, and electric terminal 22 is fixed in arc shell 21, so that two elastic portion is stood on cavity with this 212 height of contact portion height >=inner plane of the two elastic portion of 2121 two sides of cavity is stood in 2121 two sides.In this example, single arc 22 quantity of electric terminal in shape electrical property shell (or " this arc electrical property shell ") is 2111 quantity of terminal hole of (longitudinal direction) arrangement Half, the number of terminals of half takes one electric terminal 22 of setting in the terminal hole 2111 that (longitudinal direction) arranges whereby The form installation of an empty terminal hole 2111.However, in another opposite arc electrical property shell (or " that arc electrical property shell ") The setting of electric terminal 22 and the electric terminal 22 in this arc electrical property shell is in be staggered, i.e., relative in this arc electrical property shell The form of the empty terminal hole 2111 of the electric terminal 22 being arranged is an electric terminal 22 of an empty terminal hole 2111 setting.This example In, the arc shell 21 and electric terminal 22 of that arc electrical property shell (not marking) and arc electrical property shell (not marking) are identical respectively Formed in mould structure, only difference is: when electric terminal 22 is plugged in terminal hole 2111, that arc electrical property shell phase is for this arc Electric terminal 22 on shape electrical property shell is arranged in dislocation, i.e., when being equipped with electric terminal in the terminal hole 2111 on this arc electrical property shell When 22, the terminal hole 2111 on that opposite arc electrical property shell does not set electric terminal 22 then, makes a pair of (so, that) arc with this When shape electrical property shell fastens, electric terminal 22 is mutually staggered.In the present embodiment, along corresponding two short side of inner plane 212 Raised first, second rank portion 213,214 respectively, in which: the first rank portion 213 is recessed the first curved portion 2131, second-order portion 214 Being recessed relative to the first curved portion 2131 has the second curved portion 2141, is in 2131 two sides of the first curved portion in the first rank portion 213 It is respectively equipped with a positioning column 2132 and a positioning hole 2133, and has arc to surround to be recessed in the form of extrados in second-order portion 213 Slot 2142, arc groove 2142 can hold rubber ring (not marking) and be inserted in；

Fig. 2, Fig. 3, Fig. 6 are referred to Figure 10, electrical axis 30 is set in electrical shell 20 that (such as Fig. 3, Fig. 4 are to Fig. 8) in figure By the way that several conducting rings 311 to be equidistantly embedded in mold and have been formed by curing annulate shaft 31 and long and short axis, several conductions through injection molding Ring 311 is to meet the electric terminal 22 symmetrically inserted in electrical shell 20 to add up to quantity, in which: long axis 32 and short axle (not marking) point In 31 both ends of annulate shaft (such as Fig. 6), this example, annulate shaft 31 includes meeting the conducting ring 311 of 22 quantity of electric terminal and in phase in other places The dead ring 312 at interval is formed between adjacent conducting ring 311,312 outer diameter of dead ring is greater than 311 outer diameter of conducting ring, so that adjacent Dead ring 312 between formed using 311 outer ring of conducting ring as the annular groove (not marking) of bottom, electric terminal can be limited with this annular groove 22 elastic portions clamping conducting ring 311 must not shift, while can ensure that the effective in electrical contact of conducting ring 311 and elastic portion.

Fig. 3 is referred to, ball bearing 40 includes first bearing 41 and second bearing 42 in figure, and first bearing 41 passes through inner ring (not marking) covers in short axle periphery (not marking), and is stuck in the first curved portion 2131 by outer ring (not marking)；Second bearing 42 It is covered by inner ring (not marking) in the long axis periphery (not marking) of adjacent annulate shaft 31, and the second arc is stuck in by outer ring (not marking) Shape portion 2141.When another single arc electrical property shell (i.e. upper arc electrical property shell) is fastened single arc electrical property shell (the i.e. arc lower Electrical shell) when, it is electrical that the first, second curved portion 2131,2141 of another single arc electrical property shell respectively corresponds the single arc The first, second curved portion of shell 2131,2141 fastens, and is formed and pack tightly the first, second bearing 41,42 rounded portions respectively,

Referring to Figure 1 to Fig. 4 and Fig. 6, Fig. 7, Fig. 9 and Figure 10, cable 50 includes the first, second cable 51,52 in figure, First cable 51 includes at least 18 first core wires 511 (but being not limited to), and the head end of every first core wire 511 welds a conduction Ring 311 (such as Fig. 7)；Second cable 52 includes the second core wire 521, quantity and the 511 quantity phase of the first core wire of the second core wire 521 Together, only unlike the second cable is divided into two groups, (i.e. every group of quantity is half, but is not limited to), every second core The head end of line 521 welds an electric terminal 22, i.e., each 521 head end of core is welded in 22 cross-arm of a corresponding electric terminal In portion.In the present embodiment, it is embedding together after corresponding conducting ring 311 is respectively welded in several first core wires 511 of the first cable 51 Enter mold and be molded the insulator that is formed by curing and long axis 32 for the first cable 51 cladding in vivo, insulator had both included that filling is led The filling part of electric 311 inner ring of ring, also includes the basic portion for forming dead ring 312, i.e. basic portion, filling part and dead ring 312 is It is molded the integral structure (referring to Fig. 6, Fig. 7) being formed by curing.

Claims (10)

1. a kind of bus ring, including shell, electrical shell, electrical axis and the cable for connecting electrical shell and electrical axis, feature Be: electrical shell includes a pair of of arc electrical property shell, and arc electrical property shell includes arc shell and is interspersed in several in arc shell Electric terminal；Electrical axis includes several conducting rings；Cable includes the first cable, and the first cable includes several first cores, and each the A conducting ring is respectively welded in one core head end；Electrical axis includes by several conducting rings with equidistant form insertion mold and through infusing The long and short axis for moulding the annulate shaft and annulate shaft both ends that are formed by curing, is formed with outside greater than conducting ring between adjacent conductive ring on annulate shaft The dead ring of diameter makes to be formed with the annular groove of conducting ring bottom, when electrical axis is fastened on a pair between adjacent dead ring using this When in arc electrical property shell, several electric terminals respectively fall in corresponding annular groove and contact with conducting ring.

2. bus ring as described in claim 1, it is characterised in that: shell is cylinder, electrical shell is accommodated, in cylinder Flange portion is expanded at Single port outward, flange portion is equipped with the screw hole being connected with external equipment.

3. bus ring as claimed in claim 2, it is characterised in that: arc shell includes extrados and inner plane, extrados Equipped with groove, inner plane is formed with the cavity relative to groove, in a groove, close to two long cell walls respectively with laterally corresponding and vertical To several terminal holes of equidistant arrangement, each terminal hole runs through cavity from groove.

4. bus ring as claimed in claim 3, it is characterised in that: electric terminal is framed, and has cross-arm portion and cross Vertically extending elastic portion, two elastic portion have contact portion to convex in symmetrical fashion at load portion both ends.

5. bus ring as claimed in claim 4, it is characterised in that: two elastic portion passes through laterally corresponding both ends sub-aperture and fills When entering arc shell, cross-arm portion supports the slot bottom of groove in accumbency form, and two elastic portion root is respectively with laterally corresponding two Terminal hole interference, makes the two elastic portion in arc shell stand on cavity two sides.

6. bus ring as claimed in claim 5, it is characterised in that: the corresponding two short sides difference protrusion first in inner plane edge, Second-order portion, the first rank portion is recessed the first curved portion, and second-order portion is recessed with respect to the first curved portion the second curved portion, the Single order portion is in the first curved portion two sides and is respectively equipped with a positioning column and a positioning hole.

7. bus ring as claimed in claim 6, it is characterised in that: bus ring further comprises holding rubber ring, second-order There is arc groove in portion to surround to be recessed in the form of extrados, when a pair of of arc electrical property shell fastens, this opposite arc groove and that arc Slot, which is formed, holds the circular trough that rubber ring is nested with.

8. bus ring as claimed in claim 7, it is characterised in that: bus ring further comprises ball bearing, ball axis It contracts and includes the first, second bearing, in which: first bearing is by first bearing inner ring sleeve in short axle periphery and by outside first bearing Ring is stuck in the first curved portion；Second bearing in the long axis periphery of adjacent annulate shaft and passes through second bearing by second bearing inner ring sleeve Outer ring is stuck in the second curved portion；When a pair of of arc electrical property shell fastens, this opposite positioning column is adapted to that location hole and phase Pair that positioning column be adapted to this location hole, while this opposite first, second curved portion respectively with opposite that first, second Curved portion fastens, and is respectively formed the rounded portions for packing tightly first bearing and the rounded portions for packing tightly second bearing, makes electrical axis with this It is located in the form of rotatable in electrical shell by ball bearing.

9. bus ring as claimed in claim 8, it is characterised in that: arc shell and electric terminal be equal dies respectively at The same structure of type, when opposite arc shell inserts electric terminal, electric terminal in this opposite arc shell with Electric terminal in that opposite arc electrical property shell is to shift to install mutually.

10. bus ring as claimed in claim 9, it is characterised in that: cable further includes the second cable, and the second cable includes the Two core wires, the second core wire are identical to the quantity of the first core wire and are equally divided into two groups, in which: the head of every second core wire in one group It holds and is welded with the cross-arm portion of an electric terminal corresponding in this arc shell；And in another group the head end of every second core wire with The cross-arm portion welding of a corresponding electric terminal, makes the first cable and the second cable pass through current collection in that arc shell with this Slip ring realizes rotational communication.