CN111156480A

CN111156480A - Operating lamp

Info

Publication number: CN111156480A
Application number: CN201811319795.7A
Authority: CN
Inventors: 王冠能
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-11-07
Filing date: 2018-11-07
Publication date: 2020-05-15

Abstract

An operating lamp changes the inclination angles of a plurality of light-emitting modules through a lifting driving device, the lifting driving device comprises a carrier, a lifting platform and a driving module, the lifting platform is movably combined with the carrier, the driving module comprises a rotating disk, a driving disk and a connecting rod, two ends of the connecting rod are respectively and movably pivoted with the rotating disk and the driving disk, the rotating disk and the driving disk are respectively and rotatably arranged on the carrier, the rotating disc is provided with at least one driving part which rotates the driving disc and drives the rotating disc to rotate by the connecting rod, so that the first pushing part, the second pushing part or the guide slope of the driving part selectively contact with the lifting platform and the lifting platform selectively ascends or descends between a first position and a second position, the inclination angle of the light emitting modules is changed by ascending or descending the lifting platform so as to change the area range of the illumination area generated by each light emitting module.

Description

Operating lamp

Technical Field

The present invention relates to an operating lamp, and more particularly, to an operating lamp with adjustable illumination area.

Background

The operating lamp in the prior art needs to adjust the illumination area of the operating lamp through medical staff, so that a doctor can perform an operation conveniently, and when the operating lamp in the prior art is operated, the operating lamp in the prior art is inconvenient to operate, so that trouble is often caused when the doctor performs the operation.

Therefore, how to simplify the assembly and the convenience of operation of the operating lamp is a problem that needs to be solved by the operator who researches and develops the operating lamp.

Disclosure of Invention

The main objective of the present invention is to provide an operation lamp and a lifting driving device, wherein the carrier plates of a plurality of light emitting modules respectively abut against the lifting platform of the lifting driving device, and selectively ascend or descend between a first position and a second position through the lifting platform, so as to achieve the purpose of changing the area range of the illumination area generated by each light emitting module of the operation lamp.

The invention relates to an operating lamp, which comprises an upper shell, a lower shell, a lifting driving device and a plurality of light-emitting modules, wherein the lower shell and the upper shell are combined into a whole to form an accommodating space, the lower shell is provided with a through hole which is communicated with the accommodating space, the lifting driving device is arranged in the accommodating space, the lifting driving device comprises a carrier, a lifting platform and a driving module, the carrier comprises at least one limiting rod, the lifting platform is movably sleeved on the limiting rod and is provided with at least one pushed part, the driving module comprises a rotating disk, a driving disk and a connecting rod, the driving disk and the rotating disk are respectively and rotatably arranged on the carrier, the rotating disk is positioned between the carrier and the lifting platform, the rotating disk is provided with at least one driving part, the driving part comprises a first pushing part, a second pushing part and a guide inclined plane, and the guide inclined plane is positioned between the first pushing part and the second pushing part, the first pushing part and the second pushing part have a height difference, the driving disc is located at one side of the rotating disc, the first pivoting end of the connecting rod is movably pivoted to the rotating disc, the second pivoting end of the connecting rod is movably pivoted to the driving disc, the driving disc is rotated to drive the connecting rod to drive the rotating disc to rotate, so that the driving part of the rotating disc selectively contacts with the pushed part of the lifting platform through the first pushing part, the guide inclined plane or the second pushing part, the lifting platform selectively ascends or descends between a first position and a second position, the light emitting modules are arranged in the accommodating space, the through holes of the lower shell expose the light emitting modules, each light emitting module is provided with a support plate, the first end of the support plate abuts against the lifting platform, the second end of the support plate abuts against the lower shell, and the light emitting modules ascend or descend through the lifting platform, the inclination angle of each light-emitting module is changed so as to change the area range of the illumination area generated by each light-emitting module.

In an embodiment of the operating lamp, an end of the limiting rod is coupled to the upper housing, so that the carrier is suspended in the accommodating space, and the lifting table selectively moves between the upper housing and the rotating disk.

In an embodiment, the carrier has a first bearing portion and a second bearing portion, the first bearing portion is located at a side of the second bearing portion, each of the limiting rods is erected on the first bearing portion, the rotating disc is rotatably disposed on the first bearing portion, and the driving disc is rotatably disposed on the second bearing portion.

In an embodiment of the present invention, the driving disk has a shaft connecting portion and a pivot portion, the pivot portion is located at one side of the shaft connecting portion, the second pivot end of the connecting rod is pivoted to the pivot portion of the driving disk, and when the driving disk rotates, the pivot portion performs a circular motion with the shaft connecting portion as a center.

In an embodiment, the driving plate is coupled to the shaft portion, and the driving plate is driven by the driving shaft to move.

In an embodiment of the present invention, the rotating disc has an accommodating hole and a frame, the frame surrounds the accommodating hole, the driving portion is disposed on the frame, the lifting driving device further includes a center member, and the rotating disc is rotatably sleeved on the center member through the accommodating hole.

In an embodiment of the disclosure, the central element is selected from a light emitting module, and the carrier has a through hole exposing the central element.

In an embodiment, the lower housing has a plurality of positioning rods, and the second end of the support plate of each light-emitting module movably penetrates through the positioning rods.

In an embodiment of the present invention, the lower housing has a plurality of first positioning members and a plurality of pushing members, each of the first positioning members and each of the pushing members are respectively disposed on each of the positioning rods, each of the pushing members is disposed between each of the first positioning members and the second end of the support plate, and each of the pushing members is used for pushing the support plate.

In an embodiment of the surgical lamp, the lower housing further has a plurality of second positioning parts, each of the second positioning parts is disposed on each of the positioning rods, the second end of each of the support plates is located between each of the pushing members and each of the second positioning parts, and the second end of each of the support plates abuts against each of the second positioning parts.

The invention relates to a lifting driving device of an operating lamp, which comprises a carrier, a lifting platform and a driving module, wherein the lifting platform is movably sleeved on a limiting rod, the lifting platform is provided with at least one pushed part, the driving module comprises a rotating disk, a driving disk and a connecting rod, the driving disk and the rotating disk are respectively and rotatably arranged on the carrier, the rotating disk is positioned between the carrier and the lifting platform, the rotating disk is provided with at least one driving part, the driving part comprises a first pushing part, a second pushing part and a guiding inclined plane, the guiding inclined plane is positioned between the first pushing part and the second pushing part, the first pushing part and the second pushing part have a height difference, the driving disk is positioned on one side edge of the rotating disk, a first pivoting end of the connecting rod is movably pivoted with the rotating disk, a second pivoting end of the connecting rod is movably pivoted with the driving disk, and the driving disk is rotated to drive the rotating disk to rotate, so that the driving portion of the rotating disk selectively contacts the pushed portion of the lifting platform with the first pushing portion, the guiding slope or the second pushing portion, so that the lifting platform selectively ascends or descends between a first position and a second position.

In an embodiment of the present invention, the carrier has a first bearing portion and a second bearing portion, the first bearing portion is located on a side of the second bearing portion, each of the limiting rods is erected on the first bearing portion, the rotating disk is rotatably disposed on the first bearing portion, and the driving disk is rotatably disposed on the second bearing portion.

In the above-mentioned lift driving device of the operating lamp, the driving disk has a shaft connecting portion and a pivot portion, the pivot portion is located at one side of the shaft connecting portion, the second pivot end of the connecting rod is pivoted to the pivot portion of the driving disk, and when the driving disk rotates, the pivot portion performs circular motion with the shaft connecting portion as a center.

The lifting driving device of the operating lamp further comprises a rod body, wherein the rod body is combined with the shaft connecting part to drive the driving disc to move.

In an embodiment of the present invention, the rotating disc has an accommodating hole and a frame, the frame surrounds the accommodating hole, the driving portion is disposed on the frame, and the accommodating hole is used for accommodating the center piece.

The driving disk drives the connecting rod and drives the rotating disk to rotate by the connecting rod, so that the rotating driving disk selectively contacts the pushed part of the lifting table by the first pushing part, the guide inclined plane or the second pushing part, the lifting table selectively ascends or descends between a first position and a second position, the inclination angle of the light-emitting modules is changed, and the purpose of changing the area range of the illumination area generated by each light-emitting module is further achieved.

Drawings

FIG. 1: the invention discloses a perspective view of an operating lamp.

FIG. 2: the invention provides an exploded perspective view of an operating lamp.

FIG. 3: the invention provides an exploded perspective view of a lifting driving device of an operating lamp.

FIG. 4: a partial perspective view of the surgical lamp of the present invention.

FIG. 5: a cross-sectional view of the surgical lamp of the present invention.

FIG. 6: a partial perspective view of the surgical lamp of the present invention.

FIG. 7: a cross-sectional view of the surgical lamp of the present invention.

10 operating lamp 11 upper shell

12 lower shell 12a perforation

12b positioning rod 12c first positioning piece

12d pushing member 12e second positioning member

13 accommodating space 14 lifting driving device

15 carrier 15a stop lever

151 first bearing part 152 second bearing part

153 through-hole 16 lifting platform

161 pushed part 17 driving module

171 rotary disk 172 driving disk

172a pivot part 172b

173 link 173a first pivot end

173b second pivot end 173d pivot

174 drive part 174a first pushing part

174b second pushing portion 174c lead the inclined surface

175 receiving hole 176 frame

18 light emitting module 18a carrier plate

18b first end 18c second end

19 rod body A center piece

H-shaped handle

Detailed Description

Referring to fig. 1 and 2, an operating light 10 according to the present invention is shown, wherein the operating light 10 can be disposed on a movable rail (not shown) or a rotating arm (not shown) to adjust the relative position of the operating light 100 and an operating table.

Referring to fig. 2 and 5, the operating lamp 10 includes an upper housing 11, a lower housing 12, a lifting driving device 14 and a plurality of light emitting modules 18, wherein the lower housing 12 and the upper housing 11 are integrated to form an accommodating space 13, the lower housing 12 has a through hole 12a, the through hole 12a is communicated with the accommodating space 13, in this embodiment, the lifting driving device 14 and the light emitting modules 18 are disposed in the accommodating space 13, and the through hole 12a of the lower housing 12 exposes each of the light emitting modules 18, so that the light of the light emitting modules 18 is projected out of the lower housing 12 through the through hole 12a, preferably, the through hole 12a of the lower housing 12 is provided with a transparent plate (not shown), and the transparent plate seals the through hole 12a to prevent dust from accumulating in the lifting driving device 14 and the light emitting modules 18.

Referring to fig. 2 and 3, the lifting driving device 14 includes a carrier 15, a lifting platform 16 and a driving module 17, the carrier 15 has at least one limiting rod 15a, in this embodiment, the carrier 15 has a first bearing portion 151 and a second bearing portion 152, the first bearing portion 151 is located at one side of the second bearing portion 152, each limiting rod 15a is erected on the first bearing portion 151, and one end of the limiting rod 15a is combined with the upper housing 11, so that the carrier 15 is suspended in the accommodating space 13.

Referring to fig. 2 and 3, the lifting platform 16 has at least one pushed portion 161, and the lifting platform 16 is movably sleeved on the limiting rod 15a, so that the lifting platform 16 selectively ascends or descends with the limiting rod 15a as a track.

Referring to fig. 2 and 3, the driving module 17 includes a rotating disc 171, a driving disc 172 and a connecting rod 173, the rotating disc 171 and the driving disc 172 are respectively rotatably disposed on the carrier 15, and the driving disc 172 is located at one side of the rotating disc 171, in this embodiment, the rotating disc 171 is rotatably disposed on the first bearing portion 151, the driving disc 172 is rotatably disposed on the second bearing portion 152, and the rotating disc 171 is located between the carrier 15 and the lifting platform 16.

Referring to fig. 3 and 4, the rotating disc 171 has at least one driving portion 174, the driving portion 174 includes a first pushing portion 174a, a second pushing portion 174b and a guiding slope 174c, the guiding inclined plane 174c is located between the first pushing portion 174a and the second pushing portion 174b, and the first pushing portion 174a and the second pushing portion 174b have a height difference therebetween, in the present embodiment, the elevating driving device 14 further comprises a center member A, the rotary plate 171 has a receiving hole 175 and a frame 176, the frame 176 surrounds the receiving hole 175, the rotary plate 171 is rotatably mounted on the central member A through the receiving hole 175, the driving part 174 is disposed on the frame 176, and preferably, the center piece a is selected from a light emitting module, the carrier 15 has a through hole 153, and the through hole 153 exposes the central member a, so that the light of the central member a is projected out of the carrier 15 through the through hole 153.

Referring to fig. 3 and 4, the connecting rod 173 has a first pivot end 173a and a second pivot end 173b, the first pivot end 173a of the connecting rod 173 is movably pivoted to the rotating disc 171, in this embodiment, the first pivot end 173a is movably pivoted to the frame 176 of the rotating disc 171, and the second pivot end 173b of the connecting rod 173 is movably pivoted to the driving disc 172, in this embodiment, the first pivot end 173a and the second pivot end 173b of the connecting rod 173 are respectively pivoted to the rotating disc 171 and the frame 176 of the driving disc 172 by a pivot 173 d.

Referring to fig. 3 and 4, the driving disc 172 has a pivot portion 172a and a pivot portion 172b, the pivot portion 172b is located at one side of the pivot portion 172a, the second pivot end 173b of the connecting rod 173 is pivoted to the pivot portion 172b of the driving disc 172, when the driving disc 172 rotates, the pivot portion 172b performs a circular motion with the pivot portion 172a as a center, the driving disc 172 drives the connecting rod 173 to perform a reciprocating motion with the pivot portion 172b, and drives the rotating disc 171 to rotate with the connecting rod 173, in this embodiment, the connecting rod 173 drives the rotating disc 171 to perform a reciprocating motion along a clockwise direction and a counterclockwise direction, so that the driving portion 174 of the rotating disc 171 selectively contacts the pushed portion 161 of the lifting table 16 with the first pushing portion 174a, the guiding slope 174c or the second pushing portion 174b, so that the lifting table 16 is selectively located at a first position (see fig. 4 and 5, the position of the lifting table 16) and a second position (see fig. 6 and 7, see fig. 16 And) is raised or lowered, and in the present embodiment, the lift table 16 is selectively moved between the upper case 11 and the rotary plate 171.

Referring to fig. 2 and 3, the lifting driving device 14 further includes a rod 19 and a handle H, the rod 19 is combined with the shaft portion 172a and integrated with the driving disc 172, and the handle H is combined with the rod 19 to drive the rod 19 and the driving disc 172 which are integrated to rotate.

Referring to fig. 2 and 4, each of the light emitting modules 18 has a carrier 18a, a first end 18b of the carrier 18a abuts against the lifting platform 16, and a second end 18c of the carrier 18a abuts against the lower housing 12, in this embodiment, the lower housing 12 has a plurality of positioning rods 12b, and the second end 18c of each of the carriers 18a movably penetrates through the positioning rods 12 b.

Referring to fig. 2 and 5, preferably, the lower housing 12 has a plurality of first positioning members 12c and a plurality of pushing members 12d, and preferably, the lower housing 12 further has a plurality of second positioning members 12e, each of the first positioning members 12c, each of the pushing members 12d and each of the second positioning members 12e are respectively disposed on each of the positioning rods 12b, in an embodiment, the positioning rod 12b is selected from a screw, each of the first positioning members 12c and each of the second positioning members 12e are selected from a nut, each of the pushing members 12d is selected from a spring, each of the pushing members 12d is disposed between each of the first positioning members 12c and the second end 18c of the carrier 18a, each of the pushing members 12d is used for pushing the carrier 18a, the second end 18c of each of the carrier 12 is disposed between each of the pushing members 12d and each of the second positioning members 12e, and the second end 18c of each of the carrier 12 abuts against each of the second positioning members 12e, the initial position of each light emitting module 18 can be changed by adjusting the relative position between each second positioning member 12e and each positioning rod 12b, and the return elastic force of each pushing member 12d acting on each light emitting module 18 can be changed by adjusting the relative position between each first positioning member 12c and each positioning rod 12 b.

Referring to fig. 4 to 7, which are schematic diagrams of changing the inclination angle of each light emitting module 18 by the lifting driving device 14, first, referring to fig. 3 to 5, the rotating disc 171 abuts against the pushed portion 161 of the lifting table 16 by the first pushing portion 174a of the driving portion 174, so that the lifting table 16 is located at a first position (see fig. 4 and 5), wherein the pivot portion 172b of the driving disc 172 approaches the rotating disc 171, and each light emitting module 18 projects light and generates an illumination region (not shown).

When the area range of the illumination area is to be changed, please refer to fig. 4 to 7, the handle H is rotated to drive the rod 19 and the driving disc 172 combined together to rotate in a first direction (in the present embodiment, the first direction is a counterclockwise direction, but not limited thereto), so that the pivot portion 172b moves circumferentially around the pivot portion 172a in the counterclockwise direction and is away from the rotating disc 171, the pivot portion 172b drives the connecting rod 173 to move, so as to drive the rotating disc 171 to rotate in a second direction (in the present embodiment, the second direction is a clockwise direction, but not limited thereto), when the rotating disc 171 rotates in the second direction, the driving portion 174 pushes the pushed portion 161 of the lifting platform 16 by the guiding inclined surface 174c, since the lifting platform 16 is limited by the limiting rod 15a and cannot rotate, so that the lifting platform 16 is pushed by the guiding inclined surface 174c to ascend, when the handle H is continuously rotated to rotate the rotary disc 171 continuously in the second direction, the second pushing portion 174b pushes the pushed portion 161, so that the lifting platform 16 is lifted to the second position (see fig. 6 to 7).

Referring to fig. 6 to 7, since the second end 18c of each carrier 18a of each light emitting module 18 is limited to the lower housing 12, and the first end 18b of each carrier 18a of each light emitting module 18 abuts against the lifting table 16, when the lifting table 16 is lifted from the first position to the second position, the inclination angle of each light emitting module 18 can be changed along with the lifting table 16, so as to reduce the area range of the illumination area, conversely, if the area range of the illumination area is enlarged, the handle H is only rotated to make the driving disc 172 continuously rotate in the first direction, the pivot portion 172b is reset (i.e. approaching to the rotating disc 171) due to the circular motion, at this time, the connecting rod 173 drives the rotating disc 171 to rotate in the first direction opposite to the second direction, so that the pushed portion 161 of the lifting table 16 abuts against the guiding inclined surface 174c and the first pushing portion 174a in sequence, even if the lifting platform 16 is lowered from the second position to the first position, when the lifting platform 16 is lowered from the second position to the first position, the tilt angle of each light emitting module 18 can be changed along with the lowering of the lifting platform 16, so that the area range of the illumination area can be enlarged.

The operation lamp 10 of the present invention selectively contacts the lifting table 16 through the driving module 17 to change the inclination angle of the light emitting modules 18, so as to change the area range of the illumination area generated by each light emitting module 18, which can simplify the assembly procedure of the operation lamp 10 and facilitate the user to operate the operation lamp 10.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. An operating lamp, comprising:

an upper housing;

the lower shell is combined with the upper shell into a whole and forms an accommodating space, and the lower shell is provided with a through hole which is communicated with the accommodating space;

a lifting driving device arranged in the containing space, the lifting driving device comprising a carrier, a lifting platform and a driving module, the carrier comprising at least one limit rod, the lifting platform movably sleeved on the limit rod, the lifting platform having at least one pushed portion, the driving module comprising a rotating disk, a driving disk and a connecting rod, the driving disk and the rotating disk being respectively rotatably arranged on the carrier, and the rotating disk being positioned between the carrier and the lifting platform, the rotating disk having at least one driving portion comprising a first pushing portion, a second pushing portion and a guiding inclined surface, the guiding inclined surface being positioned between the first pushing portion and the second pushing portion, and a height difference being provided between the first pushing portion and the second pushing portion, the driving disk being positioned on one side of the rotating disk, a first pivoting end of the connecting rod being movably pivoted to the rotating disk, a second pivoting end of the connecting rod being movably pivoted to the driving disk, rotating the driving disc to drive the connecting rod to drive the rotating disc to rotate, so that the driving part of the rotating disc selectively contacts the pushed part of the lifting table through the first pushing part, the guide slope or the second pushing part, and the lifting table selectively ascends or descends between a first position and a second position; and

the plurality of light-emitting modules are arranged in the accommodating space, the through holes of the lower shell expose the light-emitting modules, each light-emitting module is provided with a carrier plate, the first end part of the carrier plate is abutted against the lifting table, the second end part of the carrier plate is abutted against the lower shell, and the inclination angle of each light-emitting module is changed by the ascending or descending of the lifting table so as to change the area range of an illumination area generated by each light-emitting module.

2. The operating lamp as claimed in claim 1, wherein the limiting rod is coupled to the upper housing at one end thereof such that the carrier is suspended in the accommodating space, and the elevating platform selectively moves between the upper housing and the rotating disk.

3. The operating lamp as claimed in claim 1, wherein the carrier has a first carrying portion and a second carrying portion, the first carrying portion is located at a side of the second carrying portion, each of the position-limiting rods is erected on the first carrying portion, the rotating disc is rotatably disposed on the first carrying portion, and the driving disc is rotatably disposed on the second carrying portion.

4. The operating lamp as claimed in claim 1, wherein the driving disk has a shaft connecting portion and a pivot portion, the pivot portion is located at one side of the shaft connecting portion, the second pivot end of the connecting rod is pivoted to the pivot portion of the driving disk, and when the driving disk rotates, the pivot portion performs a circular motion with the shaft connecting portion as a center.

5. The operating lamp of claim 4, wherein the elevation driving device further comprises a rod coupled to the coupling portion to drive the driving disk.

6. The operating lamp as claimed in claim 1, wherein the rotating plate has a receiving hole and a frame surrounding the receiving hole, the driving portion is disposed on the frame, the elevating driving device further comprises a center member, and the rotating plate is rotatably sleeved on the center member through the receiving hole.

7. The operatory lamp of claim 6 wherein the hub is selected from a light emitting module and the carrier has a through hole exposing the hub.

8. The operating lamp as claimed in claim 1, wherein the lower housing has a plurality of positioning rods, and the second end of the carrier of each light emitting module movably passes through the positioning rods.

9. The operating lamp as claimed in claim 8, wherein the lower housing has a plurality of first positioning members and a plurality of pushing members, each of the first positioning members and each of the pushing members are respectively disposed on each of the positioning rods, and each of the pushing members is disposed between each of the first positioning members and the second end portion of the carrier plate, each of the pushing members is used for pushing the carrier plate.

10. The operating lamp as claimed in claim 9, wherein the lower housing further comprises a plurality of second positioning members, each of the second positioning members is disposed on each of the positioning rods, the second end of each of the carrier plates is disposed between each of the pushing members and each of the second positioning members, and the second end of each of the carrier plates abuts against each of the second positioning members.

11. A lift drive for a surgical light, comprising:

a carrier comprising at least one limiting rod;

the lifting platform is movably sleeved on the limiting rod and is provided with at least one pushed part; and

a driving module including a rotating disk, a driving disk and a connecting rod, the driving disk and the rotating disk are respectively rotatably disposed on the carrier, the rotating disk is disposed between the carrier and the lifting platform, the rotating disk has at least one driving portion, the driving portion includes a first pushing portion, a second pushing portion and a guiding inclined surface, the guiding inclined surface is disposed between the first pushing portion and the second pushing portion, and a height difference is provided between the first pushing portion and the second pushing portion, the driving disk is disposed on one side of the rotating disk, a first pivot end of the connecting rod is movably pivoted to the rotating disk, a second pivot end of the connecting rod is movably pivoted to the driving disk, the driving disk is rotated to drive the connecting rod to rotate the rotating disk, so that the driving portion of the rotating disk selectively contacts the pushed portion of the lifting platform with the first pushing portion, the guiding inclined surface or the second pushing portion, so that the lifting platform can be selectively lifted or lowered between the first position and the second position.

12. The device as claimed in claim 11, wherein the carrier has a first carrying portion and a second carrying portion, the first carrying portion is located at a side of the second carrying portion, each of the position-limiting rods is vertically located on the first carrying portion, the rotating disc is rotatably disposed on the first carrying portion, and the driving disc is rotatably disposed on the second carrying portion.

13. The lift driving device of claim 11, wherein the driving disk has a pivot portion and a pivot portion, the pivot portion is located at one side of the pivot portion, the second pivot end of the connecting rod is pivoted to the pivot portion of the driving disk, and when the driving disk rotates, the pivot portion performs a circular motion around the pivot portion.

14. The device as claimed in claim 13, further comprising a rod coupled to the shaft for driving the driving disc.

15. The device as claimed in claim 11, wherein the rotary plate has a receiving hole and a frame surrounding the receiving hole, the driving portion is disposed on the frame, and the receiving hole is used for receiving the center piece.