CN109966660B

CN109966660B - Neck radiotherapy device

Info

Publication number: CN109966660B
Application number: CN201910274312.4A
Authority: CN
Inventors: 王飞鹏; 荆航; 王惠; 姜召峰
Original assignee: Qingdao Central Hospital
Current assignee: Qingdao Central Hospital
Priority date: 2019-04-08
Filing date: 2019-04-08
Publication date: 2021-04-09
Anticipated expiration: 2039-04-08
Also published as: CN109966660A

Abstract

The invention discloses a neck radiotherapy device which comprises a radiotherapy device, a roller, a box body, a motor and a transmission mechanism, wherein the roller is rotatably arranged in the box body, the radiotherapy device is fixedly arranged on the inner side of the roller, the motor is fixedly arranged in the box body, a driving shaft of the motor is provided with a first gear, and the first gear drives the roller to intermittently rotate through the transmission mechanism. The invention can realize the continuous rotation of the radiotherapy equipment to adjust the direction of the radiotherapy equipment and carry out radiotherapy on different directions of the neck, and can also lead the radiotherapy equipment to rotate intermittently so as to improve the radiotherapy effect.

Description

Neck radiotherapy device

Technical Field

The invention relates to the technical field of medical radiotherapy equipment, in particular to a neck radiotherapy device.

Background

Although the prior art has been provided with a device for continuously rotating the radiotherapy device during the neck radiotherapy, the radiotherapy effect achieved by continuously rotating the radiotherapy device is not ideal.

Disclosure of Invention

The invention aims at the problems and provides a neck radiotherapy device which can not only realize the continuous rotation of radiotherapy equipment to adjust the direction of the radiotherapy equipment and carry out radiotherapy on different directions of the neck, but also intermittently rotate the radiotherapy equipment to improve the radiotherapy effect.

The technical scheme for solving the technical problem of the invention is as follows:

the utility model provides a neck radiotherapy device, includes radiotherapy device, cylinder, box, motor and drive mechanism, the cylinder rotate and install in the box, the fixed inboard that sets up at the cylinder of radiotherapy device, the motor fixed set up in the box, and be provided with first gear on the driving shaft of motor, first gear passes through drive mechanism drive roll intermittent type nature and rotates.

Furthermore, the transmission mechanism comprises a second gear, an eccentric wheel, a U-shaped swing rod, a ratchet wheel, a pawl, a third gear and a fourth gear, the second gear is rotatably arranged in the box body through a first rotating shaft, the second gear is meshed with the first gear, the eccentric wheel is arranged on the front side of the second gear, the U-shaped swing rod is sleeved outside the eccentric wheel, the ratchet wheel is rotatably arranged in the box body through a second rotating shaft and is arranged on the front side of the U-shaped swing rod, a supporting piece is sleeved on the second rotating shaft, a groove matched with the U-shaped swing rod is formed in the supporting piece, the bottom end of the U-shaped swing rod is arranged in the groove of the supporting piece, the pawl is rotatably arranged on the U-shaped swing rod, a spring is arranged between the pawl and the U-shaped swing rod, the pawl is matched with the ratchet wheel, and the third gear is coaxially and fixedly arranged with the ratchet wheel, the fourth gear and the roller are coaxially and fixedly arranged, the fourth gear is meshed with the third gear, and the fourth gear is annular.

Furthermore, the box body is provided with a through hole coaxial with the roller, and the diameter of the through hole is larger than the inner diameter of the roller and smaller than the outer diameter of the roller.

Further, the roller is rotatably arranged in the box body through a bearing, the bearing is fixedly arranged in the box body, and the roller is arranged in the bearing.

Further, the front end of bearing fixed be provided with the snap ring, the internal diameter of snap ring is greater than the internal diameter of cylinder and is less than the external diameter of cylinder, box posterior lateral plate for can dismantle the connection through the bolt.

Furthermore, two bolts are fixedly arranged on the front side of the second gear, a long hole matched with the bolts is formed in the eccentric wheel, and the eccentric wheel is connected with the second gear through nuts and bolts.

The effect provided in the summary of the invention is only the effect of the embodiment, not all the effects of the invention, and one of the above technical solutions has the following advantages or beneficial effects:

1. the rotary drum type radiotherapy device is rotatably arranged in the box body through the rotary drum, the radiotherapy device is fixedly arranged on the inner side of the rotary drum, the motor is fixedly arranged in the box body, the driving shaft of the motor is provided with the first gear, the first gear drives the rotary drum to intermittently rotate through the transmission mechanism, so that the radiotherapy device is further driven to intermittently rotate, the continuous rotation of the radiotherapy device can be realized to adjust the direction of the radiotherapy device, the radiotherapy treatment can be carried out on different directions of the neck, the radiotherapy device can be intermittently rotated, the radiation can be stopped at a plurality of angles, and the radiotherapy effect can be improved.

2. The invention is rotationally arranged in a box body through a second gear through a first rotating shaft, the second gear is meshed with the first gear, an eccentric wheel is arranged at the front side of the second gear, the second gear and the eccentric wheel are driven to rotate by a motor, a U-shaped oscillating bar is sleeved outside the eccentric wheel, the eccentric wheel drives the U-shaped oscillating bar to swing left and right through rotation of the eccentric wheel, a ratchet wheel is rotationally arranged in the box body through a second rotating shaft and is arranged at the front side of the U-shaped oscillating bar, a supporting piece is sleeved on the second rotating shaft, a groove matched with the U-shaped oscillating bar is arranged on the supporting piece, the bottom end of the U-shaped oscillating bar is arranged in the groove of the supporting piece, the U-shaped oscillating bar slides or swings left and right in the groove, a pawl is rotationally arranged on the U-shaped oscillating bar, a spring is arranged between the pawl and the U-shaped oscillating bar, the pawl is matched with, thereby the pawl drives the ratchet and is the rotation of intermittent type nature, third gear and the coaxial fixed setting of ratchet, the rotation of intermittent type nature is together done with the ratchet to the third gear, fourth gear and the coaxial fixed setting of cylinder, and fourth gear and third gear meshing, the fourth gear be cyclic annular, the third gear drives the fourth gear and the cylinder is the rotation of intermittent type nature together to realize that radiotherapy equipment is rotatory intermittently, this transmission structure's structure is comparatively simple, and with low costs, and the motor is the rotation of folk prescription all the time can be realized, relative ratio control motor is the rotation of intermittent type nature, because the motor starts repeatedly, stops, the spoilage is high, has reduced the spoilage of motor, and is also low to the requirement of motor, has reduced the cost of motor.

3. According to the invention, the through hole coaxial with the roller is arranged on the box body, and the diameter of the through hole is larger than the inner diameter of the roller and smaller than the outer diameter of the roller, so that the head and the neck of a person can penetrate through the box body, the fourth gear and the roller, and the radiotherapy equipment can rotate around the neck.

4. The roller is rotatably arranged in the box body through the bearing, the bearing is fixedly arranged in the box body, the roller is arranged in the bearing, and the design that the bearing is sleeved outside is utilized, so that no obstacle exists in the roller, and the head and the neck of a patient can penetrate through the roller.

5. According to the invention, the clamping ring is fixedly arranged at the front end of the bearing, the inner diameter of the clamping ring is larger than the inner diameter of the roller and smaller than the outer diameter of the roller, the rear side plate of the box body is detachably connected through the bolt, and the roller is clamped by the clamping ring and the rear side plate, so that the roller is prevented from moving back and forth.

6. According to the invention, two bolts are fixedly arranged on the front side of the second gear, the eccentric wheel is provided with the strip hole matched with the bolts, the eccentric wheel is connected with the second gear through the nut and the bolts, the distance between the eccentric wheel and the axis of the second gear can be adjusted by loosening the nut so as to adjust the eccentricity of the eccentric wheel, thus the rotating amplitude of the roller at each time is adjusted, and further the rotating angle of the radiotherapy device at each time is adjusted according to actual requirements.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

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

FIG. 3 is a front perspective view of the internal structure of the present invention with the housing removed;

FIG. 4 is a rear perspective view of the condition of FIG. 3;

in the figure, a radiotherapy device 1, a roller 2, a bearing 21, a clamping ring 22, a box body 3, a motor 4, a first gear 41, a transmission mechanism 5, a second gear 51, an eccentric wheel 52, a nut 521, a U-shaped swinging rod 53, a support member 531, a ratchet wheel 54, a pawl 55, a spring 551, a third gear 56 and a fourth gear 57.

Detailed Description

In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the invention.

The utility model provides a neck radiotherapy device, includes radiotherapy device 1, cylinder 2, box 3, motor 4 and drive mechanism 5, motor 4 be connected with the external power supply electricity, cylinder 2 rotate and install in box 3, radiotherapy device 1 fixed set up in the inboard of cylinder 2, motor 4 fixed set up in box 3, and be provided with first gear 41 on motor 4's the driving shaft, first gear 41 is rotatory through 2 intermittence of drive mechanism 5 drive drum to further drive radiotherapy device intermittence ground is rotatory, both can realize the direction of continuous rotation in order to adjust radiotherapy equipment of radiotherapy equipment, carries out radiotherapy to the equidirectional of neck, can make radiotherapy equipment intermittent type ground rotatory again, stops the radiation at a plurality of angles to improve the effect of radiotherapy.

Furthermore, the transmission mechanism 5 comprises a second gear 51, an eccentric wheel 52, a U-shaped swing rod 53, a ratchet wheel 54, a pawl 55, a third gear 56 and a fourth gear 57, the transmission mechanism is rotatably arranged in the box body 3 through the second gear 51 by a first rotating shaft, the second gear 51 is meshed with the first gear 41, the eccentric wheel 52 is arranged at the front side of the second gear 51, the second gear and the eccentric wheel are driven to rotate by a motor, the U-shaped swing rod 53 is sleeved outside the eccentric wheel 52, the eccentric wheel rotates to drive the U-shaped swing rod to swing left and right, the ratchet wheel 54 is rotatably arranged in the box body 3 through a second rotating shaft and is arranged at the front side of the U-shaped swing rod 53, a support member 531 is sleeved on the second rotating shaft, a groove matched with the U-shaped swing rod 53 is arranged on the support member 531, the bottom end of the U-shaped swing rod 53 is arranged in the groove of the support member 531, the U-shaped oscillating bar slides or swings left and right in the groove, the pawl 55 is rotationally arranged on the U-shaped oscillating bar 53, a spring 551 is arranged between the pawl 55 and the U-shaped oscillating bar 53, the pawl 55 is matched with the ratchet wheel 54, the U-shaped oscillating bar swings left and right to drive the pawl 53 to swing left and right, so that the pawl drives the ratchet wheel to intermittently rotate, the third gear 56 and the ratchet wheel 54 are coaxially and fixedly arranged, the third gear and the ratchet wheel rotate intermittently, the fourth gear 57 and the roller 2 are coaxially and fixedly arranged, the fourth gear 57 is meshed with the third gear 56, the fourth gear 57 is annular, the third gear drives the fourth gear and the roller to intermittently rotate together, so that the intermittent radiotherapy device rotates, the transmission structure is simple, the cost is low, the unidirectional rotation of the motor can be realized all the time, and the intermittent rotation of the motor is controlled by contrast, because the motor is repeatedly started and stopped, the damage rate is high, the damage rate of the motor is reduced, the requirement on the motor is low, and the cost of the motor is reduced.

Furthermore, the box body 3 is provided with a through hole coaxial with the roller 2, and the diameter of the through hole is larger than the inner diameter of the roller 2 and smaller than the outer diameter of the roller 2, so that the head and the neck of a person can pass through the box body, the fourth gear 57 and the roller, and the radiotherapy equipment can rotate around the neck.

Further, the roller 2 is rotatably arranged in the box body 3 through a bearing 21, the bearing 21 is fixedly arranged in the box body 3, the roller 2 is arranged in the bearing 21, and the design that the bearing is sleeved outside is utilized, so that no obstacle exists in the roller, and the head and the neck of a patient can pass through the roller.

Further, the front end of bearing 21 fixed be provided with snap ring 22, the internal diameter of snap ring is greater than the internal diameter of cylinder 2 and is less than the external diameter of

cylinder

2, 3 posterior lateral plates of box for can dismantle the connection through the bolt, utilize snap ring and posterior lateral plate to block the cylinder, avoided the cylinder back-and-forth movement.

Furthermore, the front side of the second gear 51 is fixedly provided with two bolts, the eccentric wheel 52 is provided with a long hole matched with the bolts, the eccentric wheel 52 is connected with the second gear 51 through the nut 521 and the bolts, the front side plate of the box body is detachably connected through the bolts, after the front side plate is disassembled, the distance between the eccentric wheel and the axis of the second gear can be adjusted by loosening the nut so as to adjust the eccentricity of the eccentric wheel, thereby adjusting the amplitude of each rotation of the roller, and further adjusting the angle of each rotation of the radiotherapy device according to actual requirements.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, the scope of the present invention is not limited thereto, and various modifications and variations which do not require inventive efforts and which are made by those skilled in the art are within the scope of the present invention.

Claims

1. The neck radiotherapy device is characterized by comprising a radiotherapy device (1), a roller (2), a box body (3), a motor (4) and a transmission mechanism (5), wherein the roller (2) is rotatably installed in the box body (3), the radiotherapy device (1) is fixedly arranged on the inner side of the roller (2), the motor (4) is fixedly arranged in the box body (3), a driving shaft of the motor (4) is provided with a first gear (41), and the first gear (41) drives the roller (2) to intermittently rotate through the transmission mechanism (5);

the transmission mechanism (5) comprises a second gear (51), an eccentric wheel (52), a U-shaped swing rod (53), a ratchet wheel (54), a pawl (55), a third gear (56) and a fourth gear (57), the second gear (51) is rotatably arranged in the box body (3) through a first rotating shaft, the second gear (51) is meshed with the first gear (41), the eccentric wheel (52) is arranged on the front side of the second gear (51), the U-shaped swing rod (53) is sleeved outside the eccentric wheel (52), the ratchet wheel (54) is rotatably arranged in the box body (3) through a second rotating shaft and is arranged on the front side of the U-shaped swing rod (53), a supporting piece (531) is sleeved on the second rotating shaft, a groove matched with the U-shaped swing rod (53) is arranged on the supporting piece (531), the bottom end of the U-shaped swing rod (53) is arranged in the groove of the supporting piece (531), the pawl (55) is rotatably arranged on the U-shaped swing rod (53), a spring (551) is arranged between the pawl (55) and the U-shaped swing rod (53), the pawl (55) is matched with the ratchet wheel (54), the third gear (56) and the ratchet wheel (54) are coaxially and fixedly arranged, the fourth gear (57) and the roller (2) are coaxially and fixedly arranged, the fourth gear (57) is meshed with the third gear (56), and the fourth gear (57) is annular.

2. A neck radiotherapy apparatus according to claim 1 in which the casing (3) is provided with a through hole coaxial with the drum (2) and having a diameter greater than the internal diameter of the drum (2) and less than the external diameter of the drum (2).

3. A neck radiotherapy apparatus according to claim 1, in which the roller (2) is rotatably mounted in the housing (3) by means of a bearing (21), the bearing (21) is fixedly mounted in the housing (3), and the roller (2) is mounted in the bearing (21).

4. The neck radiotherapy device according to claim 3, characterized in that a snap ring (22) is fixedly arranged at the front end of the bearing (21), the inner diameter of the snap ring is larger than the inner diameter of the roller (2) and smaller than the outer diameter of the roller (2), and the rear side plate of the box body (3) is detachably connected through bolts.

5. The cervical radiotherapy device according to claim 1, wherein two bolts are fixedly arranged at the front side of the second gear (51), the eccentric wheel (52) is provided with a long hole matched with the bolt, and the eccentric wheel (52) is connected with the second gear (51) through a nut (521) and the bolt.