Ventilation device with anti-radiation function for hospital nuclear medicine

Abstract

The utility model discloses a ventilation device with an anti-radiation function for hospital nuclear medicine, which relates to the technical field of hospital ventilation equipment and comprises a limiting flat plate which is fixedly mounted at the front end of a ventilation support and is provided with six exhaust air rate control plates which slide in limiting grooves in the front end face of the limiting flat plate through limiting bosses. The six exhaust air rate control boards can shield an air outlet of the ventilation support, the flexibility of the device is enhanced, the six exhaust air rate control boards are matched with the balance weight ball, when the device is not used, air in the device does not flow, the balance weight ball pulls down the rotary driving disc under the influence of gravity, and then the rotary driving disc rotates; the rotary driving disc drives the six exhaust air rate control panels to slide through the limiting bosses, the six exhaust air rate control panels move in the direction close to one another, then gaps between the six exhaust air rate control panels are gradually reduced, the air outlet of the device is sealed, and outside mosquitoes are prevented from entering the device.

Description

TECHNICAL FIELD

[0001] The utility model relates to hospital ventilation equipment technical field, concretely is a kind of ventilation device for hospital nuclear medicine with radiation protection function. BACKGROUND

[0002] Nuclear medicine is a new technology using nuclear technology to diagnose, treat and study various diseases, which is the organic combination of nuclear technology, electronic technology, computer, chemistry, physics, biology and modern medicine. In some radioactive departments in hospitals, some ventilation devices with radiation protection function are usually installed to handle the air inside the department.

[0003] However, the air outlet of the existing radiation protection ventilation device is usually fixed and always open, and the outside of the radiation protection ventilation device is often provided with some mosquito nets to prevent mosquitoes from flying into the inside of the radiation protection ventilation device when it is not in use. Therefore, the mosquito nets are set relatively dense, and when the radiation protection ventilation device is in use, the relatively dense mosquito nets will block the wind blown out of the air outlet of the ventilation device to some extent, thereby affecting the air outlet efficiency of the ventilation device. Therefore, it does not meet the existing needs, and for this purpose, we propose a ventilation device for hospital nuclear medicine with radiation protection function. SUMMARY

[0004] The utility model aims at providing a ventilation device for hospital nuclear medicine with radiation protection function to solve the problem that the air outlet of the radiation protection ventilation device is usually fixed and always open, and the outside of the radiation protection ventilation device is often provided with some mosquito nets to prevent mosquitoes from flying into the inside of the radiation protection ventilation device when it is not in use. Therefore, the mosquito nets are set relatively dense, and when the radiation protection ventilation device is in use, the relatively dense mosquito nets will block the wind blown out of the air outlet of the ventilation device to some extent, thereby affecting the air outlet efficiency of the ventilation device.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a ventilation device for hospital nuclear medicine with radiation protection function, comprising a ventilation support:

[0006] A limiting flat plate is fixedly installed at the front end of the ventilation support, the front end face of the limiting flat plate is provided with a limiting groove, the front end face of the limiting flat plate is provided with six air volume control plates, the front and rear end faces of the six air volume control plates are both fixedly installed with limiting bosses, the front end face of the six air volume control plates is installed with a rotating drive disc, and the outside of the limiting flat plate is fixedly installed with a limiting support.

[0007] The connecting support is fixedly installed in the interior of the rotary driving disc, the rear end of the connecting support is fixedly installed with a connecting shaft, the rear end surface of the connecting shaft is fixedly installed with a transmission fan blade, and the limiting support is rotationally connected with the rotary driving disc through a clamping groove.

[0008] Preferably, one side of the front end surface of the rotary driving disc is fixedly installed with a metal connecting rod, the front end of the metal connecting rod is installed with a connecting hose, and the lower end of the connecting hose is fixedly installed with a counterweight ball.

[0009] Preferably, the rear end of the interior of the ventilation support is installed with a radiation-proof filter sheet, and the radiation-proof filter sheet is connected with the ventilation support through a buckle.

[0010] Preferably, the interior of the ventilation support is installed with an exhaust fan, and the exhaust fan is fixedly connected with the ventilation support.

[0011] Preferably, the limiting bosses on the front end surface of the six exhaust capacity control plates are slidably connected with the rotary driving disc through clamping grooves.

[0012] Preferably, the limiting bosses on the rear end surface of the six exhaust capacity control plates are slidably connected with the limiting grooves through clamping grooves.

[0013] Preferably, the connecting hose is rotationally connected with the metal connecting rod through a bearing.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1、The six exhaust capacity control plates are installed, and the limiting bosses are slidably arranged in the limiting grooves on the front end surface of the limiting plate, so that the six exhaust capacity control plates can shield the air outlets of the ventilation support, the flexibility of the device is enhanced, the six exhaust capacity control plates cooperate with the counterweight ball, the air in the device does not flow when the device is not used, the counterweight ball is pulled down under the influence of gravity to rotate the rotary driving disc, the rotary driving disc is rotated, the rotary driving disc drives the six exhaust capacity control plates to slide through the limiting bosses, the six exhaust capacity control plates are moved towards the direction of approaching each other, the gap between the six exhaust capacity control plates is gradually reduced, the air outlets of the device are sealed, the device is prevented from being entered by external mosquitoes, and the protection performance of the device is enhanced.

[0016] 2, the utility model discloses a transmission fan blade can make air blow on transmission fan blade upper end when blowing out device inside, and further makes transmission fan blade rotate, and makes transmission fan blade overcome the gravity of counterweight ball through connecting shaft and connecting support, drives rotary drive disc to rotate, and further makes rotary drive disc drive six exhaust capacity control panels to slide through limiting boss, makes six exhaust capacity control panels move towards the direction of mutual separation, and further makes the gap between six exhaust capacity control panels increase, makes device air outlet expose, realizes the function that device air outlet opens automatically, enhances the practicality of device.

[0017] 3, the utility model discloses the counterweight ball can be installed and be pulled down rotary drive disc, and further makes device when not using, rotary drive disc rotates under the action of counterweight ball, makes six exhaust capacity control panels move towards the direction of mutual approach, and further makes the gap between six exhaust capacity control panels gradually reduce, and further makes device realize the effect of automatic sealing, enhances the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is three-dimensional view for the utility model of a kind of ventilation device for hospital nuclear medicine with radiation protection function;

[0019] Figure 2 It is internal structure schematic view for the utility model of a kind of ventilation device for hospital nuclear medicine with radiation protection function;

[0020] Figure 3 It is the connection explosion view of exhaust capacity control panel and limiting flat plate and rotary drive disc for the utility model;

[0021] Figure 4 It is the connection relation diagram of limiting boss and exhaust capacity control panel for the utility model.

[0022] In the drawing: 1, ventilation support;2, limiting support;3, rotary drive disc;4, exhaust capacity control panel;5, limiting flat plate;6, limiting boss;7, metal connecting rod;8, connecting hose;9, counterweight ball;10, connecting support;11, radiation protection filter sheet;12, exhaust fan;13, transmission fan blade;14, connecting shaft;15, limiting slot. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Please refer to Figures 1-4 The utility model provides an embodiment: a ventilation device for hospital nuclear medicine with radiation protection function, including ventilation support 1:

[0025] The limiting plate 5 is fixedly installed at the front end of the ventilation support 1, the front end face of the limiting plate 5 is provided with a limiting groove 15, and the front end face of the limiting plate 5 is provided with six air volume control plates 4. The six air volume control plates 4 are installed to slide in the limiting groove 15 at the front end face of the limiting plate 5 through the limiting boss 6, so that the six air volume control plates 4 can shield the air outlet of the ventilation support 1, enhance the flexibility of the device, and the six air volume control plates 4 cooperate with the counterweight ball 9 to make the air in the device not flow when the device is not used. The counterweight ball 9 is pulled and rotated under the influence of gravity to drive the rotating disc 3, and then the rotating disc 3 is rotated to drive the six air volume control plates 4 to slide through the limiting boss 6, so that the six air volume control plates 4 move towards each other, and then the gap between the six air volume control plates 4 gradually decreases, so that the air outlet of the device is sealed to prevent mosquitoes from entering the inside of the device and enhance the protection performance of the device. The front and rear end faces of the six air volume control plates 4 are fixedly installed with the limiting boss 6, the front end face of the six air volume control plates 4 is installed with the rotating disc 3, and the outside of the limiting plate 5 is fixedly installed with the limiting support 2.

[0026] The connecting support 10 is fixedly installed in the inside of the rotating disc 3, the rear end of the connecting support 10 is fixedly installed with the connecting shaft 14, the rear end face of the connecting shaft 14 is fixedly installed with the transmission fan blade 13, the transmission fan blade 13 is installed to make the air blow on the upper end of the transmission fan blade 13 when the air blows out of the device, and then the transmission fan blade 13 is rotated to drive the rotating disc 3 to rotate through the connecting shaft 14 and the connecting support 10 to overcome the gravity of the counterweight ball 9, and then the rotating disc 3 drives the six air volume control plates 4 to slide through the limiting boss 6, so that the six air volume control plates 4 move towards each other, and then the gap between the six air volume control plates 4 increases, so that the air outlet of the device is exposed to realize the function of automatically opening the air outlet of the device and enhance the practicability of the device. The limiting support 2 and the rotating disc 3 are rotatably connected through the clamping groove.

[0027] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 4The side of the front end face of the rotary driving disc 3 is fixedly provided with a metal connecting rod 7, the front end of the metal connecting rod 7 is provided with a connecting hose 8, the lower end of the connecting hose 8 is fixedly provided with a counterweight ball 9, the installation of the counterweight ball 9 can pull down the rotary driving disc 3, and then the rotary driving disc 3 rotates under the action of the counterweight ball 9, so that the six air exhaust capacity control plates 4 move towards each other, and then the gap between the six air exhaust capacity control plates 4 gradually decreases, so that the device realizes the automatic sealing effect, enhances the practicability of the device, the rear end of the inside of the ventilation support 1 is provided with a radiation-proof filter 11, the installation of the radiation-proof filter 11 can filter radioactive substances in the air, ensure the integrity of the function of the device, the radiation-proof filter 11 is connected with the ventilation support 1 through buckling, the inside of the ventilation support 1 is provided with an exhaust fan 12, the exhaust fan 12 is fixedly connected with the ventilation support 1, the limiting boss 6 on the front end face of the six air exhaust capacity control plates 4 is connected with the rotary driving disc 3 through a clamping groove sliding connection, the limiting boss 6 on the rear end face of the six air exhaust capacity control plates 4 is connected with the limiting groove 15 through a clamping groove sliding connection, and the connecting hose 8 is rotatably connected with the metal connecting rod 7 through a bearing.

[0028] Working principle: when in use, the exhaust fan 12 starts, so that the air in the hospital radiology department is sucked into the inside of the device, when the air enters the inside of the device, the radioactive substances in the air are filtered by the radiation-proof filter 11, and then the air is blown to the transmission fan blade 13 under the action of the exhaust fan 12, so that the transmission fan blade 13 rotates under the action of the airflow, the transmission fan blade 13 drives the rotary driving disc 3 to rotate through the connecting support 10, so that the rotary driving disc 3 drives the air exhaust capacity control plate 4 to slide through the limiting boss 6 sliding in the rotary driving disc 3, so that the six air exhaust capacity control plates 4 move away from each other, and then the gap between the six air exhaust capacity control plates 4 increases, so that the air outlet of the device is exposed, when the device is not in use, the exhaust fan 12 does not work, and the air does not circulate in the device, at this time, the counterweight ball 9 is pulled down under the action of gravity, so that the rotary driving disc 3 rotates, and then the rotary driving disc 3 drives the six air exhaust capacity control plates 4 to slide through the limiting boss 6, so that the six air exhaust capacity control plates 4 move towards each other, and then the gap between the six air exhaust capacity control plates 4 gradually decreases, so that the air outlet of the device is sealed, preventing external mosquitoes from entering the inside of the device, so that the device can protect mosquitoes without installing a mosquito-proof net, so that the air can quickly pass through the device when the device is used, preventing the mosquito-proof structure in the device from affecting the air exhaust efficiency.

[0029] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A ventilation device with anti-radiation function for hospital nuclear medicine, comprising a ventilation support (1), characterized in that: a limiting flat plate (5) is fixedly installed at the front end of the ventilation support (1), the front end face of the limiting flat plate (5) is provided with a limiting groove (15), the front end face of the limiting flat plate (5) is provided with six air exhaust volume control plates (4), the front and rear end faces of the six air exhaust volume control plates (4) are fixedly installed with limiting bosses (6), the front end face of the six air exhaust volume control plates (4) is installed with a rotary drive disc (3), and the outside of the limiting flat plate (5) is fixedly installed with a limiting support (2); a connecting support (10) is fixedly installed in the rotary drive disc (3), a connecting shaft (14) is fixedly installed at the rear end of the connecting support (10), a transmission fan blade (13) is fixedly installed at the rear end face of the connecting shaft (14), and the limiting support (2) and the rotary drive disc (3) are rotatably connected through a clamping groove. One side of the front end face of the rotary drive disc (3) is fixedly installed with a metal connecting rod (7), the front end of the metal connecting rod (7) is installed with a connecting hose (8), and the lower end of the connecting hose (8) is fixedly installed with a counterweight ball (9).

2. The ventilation device with anti-radiation function for hospital nuclear medicine according to claim 1, characterized in that: A radiation protection filter (11) is installed at the rear end in the ventilation support (1), and the radiation protection filter (11) is connected with the ventilation support (1) through buckling.

3. The ventilation device with anti-radiation function for hospital nuclear medicine according to claim 1, characterized in that: An air exhaust fan (12) is installed in the ventilation support (1), and the air exhaust fan (12) is fixedly connected with the ventilation support (1).

4. The ventilation device with anti-radiation function for hospital nuclear medicine according to claim 1, characterized in that: The limiting boss (6) on the front end face of the six air exhaust volume control plates (4) is slidably connected with the rotary drive disc (3) through a clamping groove.

5. The ventilation device with anti-radiation function for hospital nuclear medicine according to claim 1, characterized in that: The limiting boss (6) on the rear end face of the six air exhaust volume control plates (4) is slidably connected with the limiting groove (15) through a clamping groove.

6. The ventilation device with anti-radiation function for hospital nuclear medicine according to claim 1, characterized in that: The connecting hose (8) is rotatably connected with the metal connecting rod (7) through a bearing.

7. The ventilation device with anti-radiation function for hospital nuclear medicine according to claim 2, characterized in that: ​

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