CN209996341U

CN209996341U - structure for conveniently adjusting clutch clearance for scanning bed

Info

Publication number: CN209996341U
Application number: CN201920260340.6U
Authority: CN
Inventors: 赵勤波; 潘险峰; 蒋浩杰
Original assignee: FMI Technologies Inc
Current assignee: Minfound Medical Systems Co Ltd; FMI Technologies Inc
Priority date: 2019-03-01
Filing date: 2019-03-01
Publication date: 2020-01-31
Anticipated expiration: 2029-03-01

Abstract

The utility model discloses a structure of convenient regulation clutch clearance for scanning bed, the rotary drill comprises a main shaft, it is connected with the clutch body to rotate on the main shaft, the end of main shaft by interior and outer in proper order the cover be equipped with bearing bush, bearing and connect the electricity that is the body drive the board and cross the cab apron, the bearing bush in-connection has the regulation swivel nut, the spiro union has locking screw in the regulation swivel nut, the top of main shaft be equipped with locking screw complex mounting hole, the utility model discloses a twist soon after revolving the clearance of adjusting the swivel nut between electricity drive board and the clutch body, it is fixed to screw up locking screw, can realize the adjustment in clearance under the condition of not dismouting clutch and electricity drive the board, simple structure, convenient operation is swift, can accurately adjust the distance between electricity drive board and the clutch body.

Description

structure for conveniently adjusting clutch clearance for scanning bed

Technical Field

The utility model relates to a CT technical field, more specifically relate to kinds of scanning beds are with structure in convenient regulation clutch clearance.

Background

The existing horizontal movement part of the CT hospital bed adopts an electromagnetic clutch, and in the prior art, when the gap of the clutch is adjusted, the clutch body and an electric driving plate need to be detached, an adjusting gasket is put in to adjust the gap, the gap is required to be repeatedly disassembled and assembled to adjust a proper gap, the gap between the clutch and the electric driving plate is difficult to measure and is very inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides an kinds of scanning beds are with convenient structure of adjusting the clutch clearance realizes not dismouting clutch and the regulation that the electricity drove the board and realize the clearance.

In order to achieve the purpose, the utility model provides a scanning bed is with structure of convenient regulation clutch clearance, including the main shaft, the rotation is connected with the clutch body on the main shaft, end of main shaft from interior to exterior overlaps in proper order and is equipped with bearing bush, bearing and connects to be electric drive board and cross the cab apron, the adjusting nut is connected to the bearing bush in-connection, threaded connection has locking screw in the adjusting nut, the top of main shaft be equipped with locking screw complex mounting hole, before the installation, adorn bearing bush at the foremost end of adjusting nut, compress tightly through locking screw, make the clearance between clutch body and the electric drive board be 0, when needing to adjust the clearance between the two, rotatory adjusting nut and locking screw slowly move bearing bush along the main shaft to drive the electric drive board, make obtain suitable clearance an between electric drive board and the clutch body, screw up locking screw and screw in the mounting hole of main shaft at last, lock adjusting nut and screw in the mounting hole of main shaft, the adjustment of adjusting nut and adjusting the electric drive board and move right, the clearance can be adjusted in the clearance adjustment, the convenient clearance of electric drive board and the clearance adjustment, the clearance can be realized in the simple condition of the quick adjustment, the electric drive clearance of the clearance of screwing down, and the simple clearance adjustment.

And , arranging a rotation stopping pin on the main shaft, arranging a notch matched with the rotation stopping pin on the bearing bush, and clamping the rotation stopping pin in the notch to prevent the bearing bush from rotating.

, the length of the notch in the axial direction of the main shaft is larger than the diameter of the rotation stopping pin, and the rotation stopping pin can be kept in the notch along with the left and right movement of the bearing bushing in the axial direction of the main shaft, so that the rotation stopping pin is prevented from being separated from the notch after adjustment and cannot play a role.

And , a snap spring is arranged between the electric driving plate and the bearing to prevent the bearing from moving along the axial direction of the main shaft in the rotating process.

Advancing step, adjust the swivel nut and adopt fine thread, fine thread occupation space size is little, and the auto-lock nature is good, obtains required clearance an according to pitch x rotation number of turns during the regulation, and the distance between electric drive board and the clutch body can be adjusted accurately to the pitch of fine thread is little.

And , connecting the electric driving plate and the transition plate through bolts.

To sum up, the utility model discloses a twist soon and adjust behind the clearance between swivel nut regulation electricity driving board and the clutch body, screw up locking screw fixed, can realize the adjustment in clearance under the condition of not dismouting clutch and electricity driving board, simple structure, convenient operation is swift, can the accurate distance of adjusting between electricity driving board and the clutch body.

Drawings

FIG. 1 is a cross-sectional view of the present invention in a gapless state;

FIG. 2 is a cross-sectional view of the present invention in a gapped state;

fig. 3 is a schematic structural diagram of the present invention.

Description of the labeling: 1. a clutch body; 2. a rotation stopping pin; 3. a bearing bush; 4. adjusting a threaded sleeve; 5. locking the screw; 6. a main shaft; 7. an electric driver board; 8. a transition plate; 9. a bearing; 10. mounting holes; 11. a notch; 12. and a clamp spring.

Detailed Description

Referring to fig. 1 to 3, steps of specific embodiments of the structure for conveniently adjusting the clutch gap for scanning beds according to the present invention will be described.

structure of convenient regulation clutch clearance for scanning bed, including main shaft 6, the last swivelling joint of main shaft 6 has clutch body 1, the end of main shaft 6 from interior to exterior overlaps in proper order and is equipped with bearing bush 3, bearing 9 and connects electric drive board 7 and the cab apron 8 for the body, it has adjusting swivel nut 4 to connect in the bearing bush 3, threaded connection has locking screw 5 in adjusting swivel nut 4, the top of main shaft 6 be equipped with locking screw 5 complex mounting hole 10 before the installation, adorn bearing bush 3 at adjusting swivel nut 4's foremost end, compress tightly through locking screw 5, make the clearance between clutch body 1 and the electric drive board 7 be 0, when needing to adjust the clearance between the two, rotatory adjusting swivel nut 4 and locking screw 5 slowly with bearing bush 3 along main shaft 6 to drive electric drive board 7 and move to the right, make obtain suitable clearance a between clutch body 7 and the clutch body 1, finally screw in the mounting hole 10 of main shaft 6, locking adjusting swivel nut 4 is adjusted through the adjusting screw, and adjusting screw can realize through the electric drive adjusting screw 7 and the clearance a convenient clearance of this electric drive adjusting screw 7 and move right side, and the adjusting screw, and the simple and quick adjustment of adjusting device, the clearance between the adjusting screw 7, the adjusting screw can realize the convenient clearance between the clutch body, the simple dismouting of adjusting screw.

In this embodiment, preferably, the spindle 6 is provided with the rotation stopping pin 2, the bearing bush 3 is provided with a notch 11 matched with the rotation stopping pin 2, and the rotation stopping pin 2 is clamped in the notch 11 to prevent the bearing bush 3 from rotating.

In this embodiment, the length of the notch 11 in the axial direction of the main shaft 6 is greater than the diameter of the rotation stopping pin 2, and as the bearing bush 3 moves left and right in the axial direction of the main shaft 6, the rotation stopping pin 2 can be ensured to be vertically positioned in the notch 11, so that the rotation stopping pin 2 is prevented from being separated from the notch 11 and failing to function after adjustment.

In the preferred embodiment, a clamp spring 12 is arranged between the electric driving plate 7 and the bearing 9 to prevent the bearing 9 from moving along the axial direction of the main shaft 6 during the rotation process.

The preferred of this embodiment, adjust swivel nut 4 and adopt fine thread, fine thread occupation space size is little, and self-locking nature is good, obtains required clearance an according to pitch x number of turns during the regulation, and the pitch of fine thread is little can the accurate distance of adjusting between electric drive plate 7 and the clutch body 1.

In the preferred embodiment, the electric driving plate 7 and the transition plate 8 are connected by bolts.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

The structure is characterized by comprising a main shaft, wherein a clutch body is rotatably connected to the main shaft, a bearing bushing, a bearing, an electric driving plate and a transition plate are sequentially sleeved at the end of the main shaft from inside to outside and connected into a body, an adjusting threaded sleeve is connected to the bearing bushing, a locking screw is connected to the inside of the adjusting threaded sleeve in a threaded manner, and a mounting hole matched with the locking screw is formed in the top end of the main shaft.
2. The structure for facilitating the adjustment of clutch gap for scanning bed as claimed in claim 1, wherein the main shaft has a rotation stop pin, and the bearing bushing has a notch for engaging with the rotation stop pin.
3. The structure for facilitating the adjustment of clutch gap for scan bed as claimed in claim 2, wherein the length of said notch along the axial direction of said main shaft is greater than the diameter of said rotation stop pin.
4. The structure for facilitating the adjustment of clutch gap for scanning bed as claimed in claim 1, wherein a snap spring is provided between the electric driving plate and the bearing.
5. The structure for facilitating adjustment of clutch gap for scanning bed as claimed in claim 1, wherein the adjusting screw sleeve is made of fine thread.
6. The structure for facilitating the adjustment of clutch gap for scanning bed as claimed in claim 1, wherein the electric driving plate and the transition plate are connected by a bolt.