CN216536597U - Radiation protection device for accelerator of radiotherapy equipment - Google Patents
Radiation protection device for accelerator of radiotherapy equipment Download PDFInfo
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- CN216536597U CN216536597U CN202123317041.8U CN202123317041U CN216536597U CN 216536597 U CN216536597 U CN 216536597U CN 202123317041 U CN202123317041 U CN 202123317041U CN 216536597 U CN216536597 U CN 216536597U
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Abstract
The utility model discloses a radiation protection device for an accelerator of radiotherapy equipment, which comprises: protection cabin, first guard gate, second guard gate and guard gate drive assembly, first guard gate fixed mounting is on the door opening upper portion of protection cabin, and the second guard gate is connected with the transmission of guard gate drive assembly, and guard gate drive assembly drive second guard gate can seal the door opening lower part in protection cabin, and guard gate drive assembly installs on the protection under-deck wall, includes: the upper end of the second protective door is in transmission connection with the gear through a rotary rod, and the other end of the second protective door is in transmission connection with the inner wall of the door opening of the protective cabin through the electric telescopic rod. The utility model has smart structure, can easily and quickly close the door opening of the protective cabin, has good sealing effect, can effectively reduce the radiation quantity suffered by radiotherapy staff and ensures the health of the radiotherapy staff.
Description
Technical Field
The utility model particularly relates to a radiation protection device for an accelerator of radiotherapy equipment.
Background
The medical accelerator is a particle accelerator device used for radiotherapy of tumor in biomedicine, and the charged particle accelerator is an electromagnetic device which accelerates various charged particles to higher energy by different forms of electric fields by using a manual method.
The ray of medical accelerator jets into the human body after can causing the injury to the human body, and the protector of current medical accelerator exists and can't keep apart the radiation of accelerator is whole, and its isolation effect is extremely poor, has great space between the guard gate and closes comparatively difficultly to there being coming out of radiation, increasing the radiant quantity that the radiotherapy staff suffered, cause certain influence to radiotherapy staff's healthy.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an accelerator radiation protection device of radiotherapy equipment.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model relates to a radiation protection device for an accelerator of radiotherapy equipment, which comprises:
a protection cabin;
the first protective door is fixedly arranged at the upper part of a door opening of the protective cabin;
the second protective door is in transmission connection with the protective door driving assembly, and the protective door driving assembly drives the second protective door to seal the lower part of the door opening of the protective cabin;
protection door drive assembly, protection door drive assembly install on protection cabin inner wall, include: the upper end of the second protective door is in transmission connection with the gear through a rotary rod, and the opposite other end of the second protective door is in transmission connection with the inner wall of the door opening of the protective cabin through the electric telescopic rod;
one end of the rotating rod is rotationally connected with the gear, and the other end of the rotating rod is rotationally connected with the upper end of the second protective door;
one end of the electric telescopic rod is rotatably connected with the inner wall of the door opening of the protection cabin, and the other end of the electric telescopic rod is rotatably connected with the lower end of the second protection door.
According to the radiation protection device for the accelerator of the radiotherapy equipment, disclosed by the utility model, the second protection door is opened and closed by extending and contracting the electric push rod and the electric telescopic rod, the device is ingenious in structure, the door opening of the protection cabin can be easily and quickly closed, the sealing effect is good, the radiation quantity suffered by radiotherapy workers can be effectively reduced, and the physical health of the radiotherapy workers is ensured.
On the basis of the technical scheme, the following improvements can be made:
as the preferred scheme, install spacing seat on the inner wall in protection cabin, be equipped with first through-hole, motion groove and second through-hole in spacing seat, install the stopper on electric putter's output shaft, electric putter's output shaft stretches into the motion groove from the first through-hole of spacing seat, stretches out from the second through-hole again, and the motion inslot is arranged in to the stopper, and arranges the outside of spacing seat in with stopper fixed connection's driving rack.
Adopt above-mentioned preferred scheme, adopt first through-hole, motion groove and second through-hole on the spacing seat to restrict electric putter's motion range, guarantee the switch validity of second guard gate.
Preferably, the width of the limiting block is larger than the corresponding width of the first through hole and the second through hole.
By adopting the preferable scheme, the movement range of the limiting block is in the movement groove.
As preferred scheme, the outer wall of the output shaft of the electric push rod is sleeved with a spring, one end of the spring is fixedly connected with the inner wall of the motion groove of the limiting seat, and the other end, opposite to the spring, of the spring is fixedly connected with the limiting block.
Adopt above-mentioned preferred scheme, utilize the spring to reset the stopper, the spring can cushion electric putter's motion simultaneously, and the opening and closing process of second guard gate is more stable. The both ends of spring respectively with the motion inslot wall and the stopper fixed connection of spacing seat, ensure more firm of spring mounting.
Preferably, the width of the inner wall of the moving groove is larger than the width of the spring and larger than the width of the limiting block.
By adopting the preferable scheme, the fluency of the movement of the spring and the limiting block on the inner wall of the movement groove is ensured.
Preferably, the sealing surfaces of the first protective door and the second protective door are bending surfaces having a plurality of bending structures.
Adopt above-mentioned preferred scheme, improve the seal between first guard gate and the second guard gate, prevent that the radiation from the joint gap outgoing between first guard gate and the second guard gate, guarantee that the effect of protection radiation is better.
Preferably, a sealing cushion block is arranged on the closing surface of the first protective door and/or the second protective door.
By adopting the preferable scheme, the air tightness between the first protection door and the second protection door is further improved.
Preferably, an observation window is arranged on the bulkhead of the protection cabin.
By adopting the preferable scheme, the working personnel outside the protection cabin can observe the condition inside the protection cabin through the observation window in real time.
Preferably, the electric push rod and the electric telescopic rod are respectively electrically connected with the electric control device.
By adopting the preferable scheme, the electric control device controls the electric push rod and the electric telescopic rod to extend and contract to complete the opening and closing of the second protective door.
Preferably, the electric control device is also electrically connected with the alarm.
By adopting the preferable scheme, the alarm of the electric control device can inform workers of emergency treatment in emergency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural diagram of an accelerator radiation protection device of a radiotherapy apparatus according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the inside of the radiation protection device of the accelerator of the radiotherapy apparatus (when the second protection door is opened and the rotating rod is a straight rod) according to the embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an interior of an accelerator radiation protection device (when a second protection door is closed and a rotating rod is a straight rod) of a radiotherapy apparatus according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of the inside of the radiation protection device of the accelerator of the radiotherapy apparatus (when the second protection door is opened and the rotating rod is an arc-shaped rod) according to the embodiment of the present invention.
Wherein: 1-a protection cabin, 11-an observation window, 12-a control cabinet, 13-an alarm, 14-a mounting base, 21-a first protection door, 22-a second protection door, 31-an electric push rod, 32-a transmission rack, 33-a gear, 34-an electric telescopic rod, 35-a rotary rod, 4-a limiting seat, 41-a first through hole, 42-a second through hole, 43-a moving groove, 44-a limiting block, 5-a mounting plate and 6-a spring.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Meanwhile, the expressions "first", "second", etc. are used only for the purpose of distinguishing a plurality of configurations, and do not limit the order between the configurations or other features.
Also, the expression "comprising" an element is an expression of "open" which merely means that there is a corresponding component, and should not be interpreted as excluding additional components.
In order to achieve the object of the present invention, in some embodiments of an accelerator radiation protection device for radiotherapy equipment, as shown in fig. 1 to 3, the accelerator radiation protection device for radiotherapy equipment comprises: the protective cabin 1, the first protective door 21, the second protective door 22 and the protective door driving assembly.
Protection door drive assembly installs on 1 inner wall in protection cabin, includes: the upper end of the second protective door 22 is in transmission connection with the gear 33 through a rotating rod 35, and the opposite other end of the second protective door is in transmission connection with the inner wall of the door opening of the protective cabin 1 through the electric telescopic rod 34; one end of the rotating rod 35 is rotatably connected with the gear 33, and the other end thereof is rotatably connected with the upper end of the second protection door 22; one end of the electric telescopic rod 34 is rotatably connected with the inner wall of the door opening of the protection cabin 1, and the other opposite end is rotatably connected with the side wall of the lower end of the second protection door 22.
It is noted that, in order to ensure the opening and closing stability of the second protection door 22, in some embodiments, protection door driving assemblies are installed on both left and right sides of the inner wall of the protection cabin 1.
The radiation protection device of the accelerator of the radiotherapy equipment completes the opening and closing of the second protection door 22 through the extension and contraction of the electric push rod 31 and the electric telescopic rod 34, has a smart structure, can easily and quickly close the door opening of the protection cabin 1, has a good sealing effect, can effectively reduce the radiation quantity suffered by radiotherapy workers, and ensures the health of the radiotherapy workers.
In order to further optimize the implementation effect of the utility model, in other embodiments, the other features and technologies are the same, except that a limiting seat 4 is installed on the inner wall of the protection cabin 1, a first through hole 41, a moving groove 43 and a second through hole 42 are arranged in the limiting seat 4, a limiting block 44 is installed on an output shaft of the electric push rod 31, the output shaft of the electric push rod 31 extends into the moving groove 43 from the first through hole 41 of the limiting seat 4 and then extends out from the second through hole 42, the limiting block 44 is arranged in the moving groove 43, and the transmission rack 32 fixedly connected with the limiting block 44 is arranged on the outer side of the limiting seat 4.
With the adoption of the embodiment, the following beneficial effects are achieved: the first through hole 41, the moving groove 43 and the second through hole 42 on the limiting seat 4 are adopted to limit the moving range of the electric push rod 31, and the opening and closing effectiveness of the second protective door 22 is ensured.
It is noted that the limiting seat 4 and the electric push rod 31 can be, but are not limited to, mounted on the mounting plate 5 on the inner wall of the protection cabin 1. The mounting plate 5 is rotatably connected with the gear 33 through a rotating shaft, so that the gear 33 drives the rotating rod 35 to rotate, and the gear 33 is supported at the same time.
Further, on the basis of the above embodiment, the width of the stopper 44 is larger than the corresponding widths of the first through hole 41 and the second through hole 42.
With the adoption of the embodiment, the following beneficial effects are achieved: the stopper 44 has a movement range within the movement groove 43.
Further, on the basis of the above embodiment, the spring 6 is sleeved on the outer wall of the output shaft of the electric push rod 31, one end of the spring 6 is fixedly connected with the inner wall of the moving groove 43 of the limiting seat 4, and the other end opposite to the spring 6 is fixedly connected with the limiting block 44.
With the adoption of the embodiment, the following beneficial effects are achieved: utilize spring 6 to reset stopper 44, spring 6 can cushion the motion of electric putter 31 simultaneously, and the opening and closing process of second guard gate 22 is more stable. The two ends of the spring 6 are respectively fixedly connected with the inner wall of the moving groove 43 of the limiting seat 4 and the limiting block 44, so that the spring 6 is more firmly installed.
Further, on the basis of the above embodiment, the width of the inner wall of the moving groove 43 is larger than the width of the spring 6 and larger than the width of the stopper 44.
With the adoption of the embodiment, the following beneficial effects are achieved: the smoothness of the movement of the spring 6 and the stopper 44 on the inner wall of the moving groove 43 is ensured.
In order to further optimize the implementation effect of the present invention, in other embodiments, the other features are the same, except that the sealing surfaces of the first protective door 21 and the second protective door 22 are bending surfaces having a plurality of bending structures, for example, a rectangular notch is provided on the sealing surface of the first protective door 21, and a protrusion matching with the rectangular notch is provided on the sealing surface of the second protective door 22.
With the adoption of the embodiment, the following beneficial effects are achieved: the leakproofness between first guard gate 21 and the second guard gate 22 is improved, prevents that radiation from the joint gap outgoing between first guard gate 21 and the second guard gate 22, guarantees that the effect of protection radiation is better.
Further, in addition to the above-described embodiment, a gasket (not shown) is provided on the sealing surface of the first guard door 21 and the second guard door 22.
With the adoption of the embodiment, the following beneficial effects are achieved: the airtightness between the first guard door 21 and the second guard door 22 is further improved.
In order to further optimize the implementation effect of the utility model, in other embodiments, the rest of the features are the same, except that an observation window 11 is opened on the bulkhead of the protection cabin 1.
With the adoption of the embodiment, the following beneficial effects are achieved: the staff outside the protection cabin 1 can observe the conditions inside the protection cabin 1 through the observation window 11 in real time.
In order to further optimize the implementation effect of the present invention, in other embodiments, the rest features are the same, except that the electric push rod 31 and the electric telescopic rod 34 are electrically connected to the electric control device respectively.
With the adoption of the embodiment, the following beneficial effects are achieved: the electric control device controls the electric push rod 31 and the electric telescopic rod 34 to extend and retract so as to complete the opening and closing of the second protective door 22. The electrical control device can be installed in the control cabinet 12, and the control cabinet 12 is installed on the outer wall of the protection cabin 1.
Further, on the basis of the above embodiment, the electric control device is also electrically connected to the alarm 13.
With the adoption of the embodiment, the following beneficial effects are achieved: in the case of an emergency, the electric control device alarm 13 gives an alarm to notify the worker of emergency treatment.
In order to further optimize the implementation effect of the utility model, in other embodiments, the rest features are the same, except that the bottom of the protection cabin 1 is fixedly provided with a mounting base 14.
With the adoption of the embodiment, the following beneficial effects are achieved: the installation of the protective cabin 1 is more stable.
The various embodiments above may be implemented in cross-parallel.
The working principle of the accelerator radiation protection device of the radiotherapy equipment is as follows:
as shown in fig. 2, during the use, the radiotherapy staff controls the electric push rod 31 to zoom through the electric control device, the spring 6 generates elastic deformation, the limiting block 44 moves upwards on the inner wall of the moving slot 43, the electric push rod 31 drives the driving rack 32 to move upwards, meanwhile, the driving rack 32 drives the gear 33 to rotate, at this time, the rotating rod 35 movably connected with the outer wall of the gear 33 rotates, the rotating rod 35 rotates around the gear 33, the rotating rod 35 drives the second protection door 22 to rotate, the two electric telescopic air rods stretch and retract along with the gear until the two electric telescopic air rods rotate to the edge of the first protection door 21, and then the electric telescopic air rods are controlled to zoom to enable the sealing surface of the second protection door 22 to contact with the sealing surface of the first protection door 21, as shown in fig. 3.
The radiation protection device of the accelerator of the radiotherapy equipment has the advantages of ingenious structure, good sealing effect, capability of easily and quickly closing the door opening of the protection cabin 1, capability of effectively reducing the radiation quantity suffered by radiotherapy staff and guarantee of the health of the radiotherapy staff.
The rotating rod 35 may be a straight rod as shown in fig. 2 or an arc-shaped rod as shown in fig. 4.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While there have been shown and described what are at present considered to be the fundamental principles of the utility model and its essential features and advantages, it will be understood by those skilled in the art that the utility model is not limited by the embodiments described above, which are merely illustrative of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.
The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power source belong to the common knowledge in the field, and the utility model is mainly used for protecting mechanical devices, so the control mode and the wiring arrangement are not explained in detail in the utility model.
Claims (10)
1. An accelerator radiation protection device of a radiotherapy equipment, which is characterized by comprising:
a protection cabin;
the first protective door is fixedly arranged at the upper part of a door opening of the protective cabin;
the second protective door is in transmission connection with a protective door driving assembly, and the protective door driving assembly drives the second protective door to seal the lower part of the door opening of the protective cabin;
the protective door driving assembly is arranged on the inner wall of the protective cabin and comprises an electric push rod, a transmission rack fixedly connected with an output shaft of the electric push rod, a gear meshed with the transmission rack and an electric telescopic rod, the upper end of the second protective door is in transmission connection with the gear through a rotary rod, and the opposite end of the second protective door is in transmission connection with the inner wall of the door opening of the protective cabin through the electric telescopic rod;
one end of the rotating rod is rotatably connected with the gear, and the other end of the rotating rod is rotatably connected with the upper end of the second protective door;
one end of the electric telescopic rod is rotatably connected with the inner wall of the door opening of the protection cabin, and the other end of the electric telescopic rod is rotatably connected with the lower end of the second protection door.
2. The radiation therapy equipment accelerator radiation protection device according to claim 1, characterized in that a limiting seat is installed on the inner wall of the protection cabin, a first through hole, a motion groove and a second through hole are arranged in the limiting seat, a limiting block is installed on the output shaft of the electric push rod, the output shaft of the electric push rod extends into the motion groove from the first through hole of the limiting seat and then extends out from the second through hole, the limiting block is arranged in the motion groove, and a transmission rack fixedly connected with the limiting block is arranged outside the limiting seat.
3. The radiotherapy apparatus accelerator radiation shield of claim 2, wherein the width of the stop block is greater than the corresponding width of the first and second through holes.
4. The radiation therapy equipment accelerator radiation protection device of claim 3, wherein the outer wall of the output shaft of the electric push rod is sleeved with a spring, one end of the spring is fixedly connected with the inner wall of the motion groove of the limiting seat, and the other end of the spring is fixedly connected with the limiting block.
5. The radiotherapy apparatus accelerator radiation shield of claim 4, wherein the width of the inner wall of the motion groove is greater than the width of the spring and greater than the width of the limiting block.
6. The accelerator radiation protection device for radiotherapy equipment according to any one of claims 1 to 5, wherein the sealing surfaces of the first protection door and the second protection door are bending surfaces having a plurality of bending structures.
7. Radiotherapy apparatus accelerator radiation shield according to any of claims 1 to 5 in which a sealing gasket is provided on the closure face of the first and/or second guard door.
8. Radiotherapy apparatus accelerator radiation shield according to any one of claims 1 to 5 in which an observation window is provided in the bulkhead of the shield chamber.
9. The radiation therapy equipment accelerator radiation protection device of any one of claims 1 to 5, wherein the electric push rod and the electric telescopic rod are respectively electrically connected with the electric control device.
10. The radiotherapy apparatus accelerator radiation shield of claim 9, wherein the electrical control device is further electrically connected to an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123317041.8U CN216536597U (en) | 2021-12-27 | 2021-12-27 | Radiation protection device for accelerator of radiotherapy equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123317041.8U CN216536597U (en) | 2021-12-27 | 2021-12-27 | Radiation protection device for accelerator of radiotherapy equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216536597U true CN216536597U (en) | 2022-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123317041.8U Active CN216536597U (en) | 2021-12-27 | 2021-12-27 | Radiation protection device for accelerator of radiotherapy equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216536597U (en) |
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2021
- 2021-12-27 CN CN202123317041.8U patent/CN216536597U/en active Active
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