An oral inspection lighting lamp with easy adjustment of irradiation angle

Abstract

The present invention relates to the field of oral examination technology, and specifically to an oral examination lighting lamp with easy adjustment of the illumination angle, comprising: a supporting base; casters; a fixing frame, the fixing frame is fixedly connected and arranged on the outer side of the top end of the supporting base; a controllable lighting unit, the controllable lighting unit is connected to the fixing frame and to the supporting base; a protective dustproof unit, the protective dustproof unit is fixedly connected to the fixing frame and to the recovered controllable lighting unit; wherein the controllable lighting unit comprises: a lifting adsorption component, a retractable self-adjusting component, an adjustable lighting component and a multi-stage pressure control component, by setting the controllable lighting unit, the lighting height and angle of the equipment can be freely adjusted, and the adjusted equipment can be firmly locked, which improves the convenience of medical staff in examining different positions of children's oral cavity, and the equipment can be retracted and effectively protected and cleaned during storage.

Description

Technical Field

[0001] The invention relates to the technical field of oral examination, in particular to an oral examination lighting lamp with an easily adjustable irradiation angle. Background Art

[0002] The oral cavity is the starting part of the digestive tract. It is connected to the outside world through the fissure in the front and is connected to the pharynx through the pharyngeal isthmus in the back. There are teeth, tongue and other organs in the oral cavity. The front wall of the oral cavity is the lips, the side walls are the cheeks, the top is the palate, and the floor of the mouth is the mucosa and muscle structures. Children will inevitably have oral diseases in the process of growth and development, which will endanger their development. For this reason, the children's oral cavity will be examined regularly.

[0003] At present, when medical staff examine children's oral cavity, they usually make the child lie on an examination chair and open his mouth, and then the medical staff uses a flashlight to illuminate the child's oral cavity for examination. However, when medical staff use a flashlight to illuminate the child's oral cavity for examination, it will inevitably affect the medical staff's line of sight and the difficulty of hand work, which in turn affects the precision of the medical staff's oral examination of the child to a certain extent. Therefore, in view of the above situation, it is urgent to develop an oral examination lighting lamp that is easy to adjust the illumination angle to overcome the shortcomings in current practical applications. Summary of the invention

[0004] The object of the present invention is to provide an oral inspection lighting lamp with an easily adjustable irradiation angle, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An oral examination lighting lamp that is easy to adjust the illumination angle, comprising: a support base; casters, the casters are symmetrically arranged on the outer side of the bottom end of the support base and are rotatably connected to the support base for supporting the support base; a fixing frame, the fixing frame is fixedly connected and arranged on the outer side of the top end of the support base; a controllable lighting unit, the controllable lighting unit is connected to the fixing frame and to the support base, and is used to cooperate with the fixing frame to realize the retraction and deployment of the equipment and complete the adjustment of the lighting height and angle; a protective dustproof unit, the protective dustproof unit is fixedly connected to the fixing frame and is connected to the recovered controllable lighting unit, and is used to cooperate with the fixing frame to realize the protection of the recovered controllable lighting unit and realize automatic dust removal of the controllable lighting unit; wherein, the controllable The lighting unit includes: a lifting adsorption component, a retractable self-adjusting component, an adjustable lighting component and a multi-stage pressure control component. The multi-stage pressure control component is arranged on the outside of the fixed frame and fixedly connected to the support base. The multi-stage pressure control component is connected to the lifting adsorption component arranged on the outside of the bottom end of the support base, and is used to drive the lifting adsorption component to lock the support base. The multi-stage pressure control component is also connected to the retractable self-adjusting component arranged on the inside of the fixed frame. The retractable self-adjusting component is connected to the fixed frame and to the adjustable lighting component. It is used to cooperate with the fixed frame to realize the lifting and rotation of the adjustable lighting component, and can cooperate with the multi-stage pressure control component to realize the driving of the adjustable lighting component, and lock the adjustable lighting component after the lighting angle adjustment is completed.

[0007] As a further solution of the present invention: the retractable self-adjusting component includes: a lifting seat, a servo motor, a threaded rod, a steering motor, a mounting seat, a support tube and a pressure transmission control component. The lifting seat is slidably connected to the inner side of the fixed frame, and a servo motor fixedly connected to the outer wall of the protective dustproof unit is arranged on the outer side of the bottom end of the lifting seat. Threaded rods rotatably connected to the fixed frame are arranged on both sides of the servo motor. The threaded rods on both sides are connected to the output end of the servo motor through a belt transmission part. The threaded rods on both sides are threadedly connected to the lifting seat. A support tube is rotatably connected to the lifting seat, and a fixed connection is arranged on the outer side of the support tube. There is a mounting seat connected to the adjustable lighting assembly, and a steering motor is fixedly connected to the lifting seat. The output end of the steering motor is fixedly connected to the driving gear, and the driving gear is meshed with a driven gear fixedly connected to the outside of the support tube, which is used to cooperate with the steering motor to drive the support tube to rotate, so as to realize the retraction and extension of the adjustable lighting assembly. A pressure transmission control assembly is arranged between the support tube and the lifting seat, and the pressure transmission control assembly is connected to the multi-stage pressure control assembly and the adjustable lighting assembly, and is used to cooperate with the multi-stage pressure control assembly to drive the adjustable lighting assembly, so as to realize the locking of the adjusted adjustable lighting assembly.

[0008] As a further solution of the present invention: the pressure-conducting and controlling assembly comprises: a connecting sleeve, a ventilation pipe, a connecting conduit, a guide cavity, a vent, a control cavity and a guide and control pipe. The connecting sleeve is sleeved on the outside of one end of the supporting tube, is rotatably connected to the outer wall of the supporting tube, and is fixedly connected to the lifting seat. A ventilation pipe is fixedly connected between the connecting sleeve and the lifting seat. The ventilation pipe is connected to the guide cavity arranged on the inner side of the lifting seat. The guide cavity is also connected to the connecting conduit fixedly connected to the lifting seat. The other end of the connecting conduit is connected to the multi-stage pressure-control assembly for cooperating with the multi-stage pressure-control assembly to realize the flow of air inside the connecting sleeve. A plurality of guide and control pipes fixedly connected to the supporting tube are arranged on the inner side of the connecting sleeve. A plurality of vents are arranged on the rod wall of the supporting tube located on the inner side of the mounting seat. The vent is connected to the control cavity arranged on the inner side of the mounting seat. The control cavity is connected to the adjustable lighting assembly for cooperating with the air flowing inside the connecting sleeve to realize the driving of the adjustable lighting assembly.

[0009] As a further solution of the present invention: the adjustable lighting assembly includes: a movable seat, a telescopic member, a pressure-conducting tube, a lighting lamp, a support rod, a connecting ball, a fixed seat, a clamping block, a piston tube, a balancing chamber and a locking member. The movable seat is slidably connected and arranged on the outside of the mounting seat, is connected to the mounting seat through a telescopic member, and is clamped with the protective dustproof unit. The movable seat is fixedly connected to the outside of one end away from the mounting seat, a connecting ball is rotatably arranged on the inside of the fixed seat, a support rod is fixedly connected to the outside of the connecting ball, and the other end of the support rod is fixedly connected to the lighting lamp. A plurality of clamping blocks are arranged around the inside of the mounting seat. The clamping blocks A spring is fixedly connected with the fixed seat for cooperating with the fixed seat to limit the connecting ball. A balancing chamber is also provided on the inner side of the fixed seat. Piston tubes are symmetrically provided on the outer side of the balancing chamber near one end of the connecting ball. The piston tube is fixedly connected to the fixed seat, and a locking piece is slidingly connected on the inner side. A spring is fixedly connected between the locking piece and the fixed seat. A pressure-conducting tube connected to the balancing chamber is also fixedly connected on the fixed seat. The other end of the pressure-conducting tube leads to the inner side of the control chamber and is slidably connected to the shell wall of the mounting seat to cooperate with the air flowing inside the control chamber to realize the movement of the locking piece inside the piston tube, thereby completing the locking of the connecting ball.

[0010] As a further solution of the present invention: the multi-stage pressure control assembly includes: a control box, a control panel, a retractable component, a control tube, a transformer tube, a pressure control component, a connecting tube, a pressure regulating component, a connecting slide rod, a fixed tube, a pressure transmission component, a transmission rod, a control transmission tube and a lifting component. The control box is arranged on the outside of the fixed frame and is fixedly connected to the support base. A control panel is slidably connected to the inside of the control box. A retractable component is fixedly connected between the top of the control panel and the control box. A control tube fixedly connected to the control box is also arranged on the outside of the top of the control panel. The control tube is slidably connected to the connecting conduit. Variable-pressure tubes are fixedly connected to the tube walls on both sides of the bottom end of the control tube. Between the transformer tube and the control panel A pressure-controlling part fixedly connected to the control panel is provided, and the pressure-controlling part is arranged opposite to the transformer tube, and is used for cooperating with the movement of the control panel to realize the flow of air inside the control tube; a fixed tube fixedly connected to the control box is symmetrically arranged on the outer side of the bottom end of the control panel; a pressure-transmitting part is slidably connected to the inner side of the fixed tube, and a transmission rod is slidably connected to the inner side of the pressure-transmitting part; a spring is fixedly connected between the transmission rod and the pressure-transmitting part; the other end of the transmission rod is fixedly connected to the control panel; a transmission control tube is fixedly connected to the top side wall of the fixed tube; a lifting part connected to the lifting adsorption assembly is slidably connected to the inner side of the transmission control tube, and is used for cooperating with the flow of air inside the fixed tube to realize the lifting of the lifting adsorption assembly; a plurality of connecting tubes connected to the lifting adsorption assembly are provided between the fixed tubes on both sides; a pressure-adjusting part is slidably connected to the inner side of the connecting tube; a connecting slide rod is slidably connected to the inner side of the pressure-adjusting part; a spring is fixedly connected between the connecting slide rod and the pressure-adjusting part; the other end of the connecting slide rod is fixedly connected to the control panel, and is used for cooperating with the lifting of the control panel to realize the adsorption connection between the lifting adsorption assembly and the ground.

[0011] As a further solution of the present invention: the lifting type adsorption assembly includes: a limiting guide frame, an adsorption bottom plate, a positioning side plate and a suction cup, the limiting guide frame is fixedly connected and arranged on the outer side of the bottom end of the supporting base, the positioning side plates are symmetrically arranged on both sides of the limiting guide frame, the opposite ends of the positioning side plates on both sides are slidably connected to the frame wall of the limiting guide frame, the outer side of the bottom end of the positioning side plate is fixedly connected with the adsorption bottom plate, a number of springs are fixedly connected between the adsorption bottom plate and the limiting guide frame, a number of suction cups are fixedly connected on the bottom end plate wall of the adsorption bottom plate, the top plate wall of the adsorption bottom plate is fixedly connected to the connecting pipe, and is fixedly connected to the lifting member.

[0012] As a further solution of the present invention: the protective dustproof unit includes: a protective box, a dust removal box, an air pump, a dust blowing chamber, a dust suction chamber and a filter frame, the protective box is fixedly connected and arranged at the inner bottom of the fixed frame, a dust blowing chamber is arranged on the inner side of the box wall at one end of the protective box, and a dust suction chamber is arranged on the inner side of the box wall at the other end, the dust blowing chamber is connected to a number of dust blowing pipes fixedly connected to the box wall of the protective box, the dust suction chamber is connected to a number of dust suction pipes fixedly connected to the box wall of the protective box, an air pump is also arranged on the inside of the protective box, the output end of the air pump is connected to the dust blowing chamber through an air supply pipe, and the other end is connected to the dust removal box arranged on the inside of the protective box through an exhaust pipe, an air intake pipe is fixedly connected to the box wall at the other end of the dust removal box, the other end of the air intake pipe is connected to the dust suction chamber, and a filter frame connected to the dust removal box is arranged between the air intake pipe and the exhaust pipe.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] When the device is running, the casters can realize the movement of the supporting base, the multi-stage pressure control component drives the lifting adsorption component to connect with the ground, and realizes the adsorption connection between the lifting adsorption component and the ground to complete the positioning of the equipment, and the retractable self-adjusting component cooperates with the fixed frame to drive the adjustable lighting component to lift and rotate, complete the deployment of the adjustable lighting component, and make the adjustable lighting component accurately located on the upper part of the patient's mouth, the adjustable lighting component can freely adjust the lighting angle, when the lighting angle is adjusted, the multi-stage pressure control component cooperates with the retractable self-adjusting component to drive the adjustable lighting component, and locks the adjustable lighting component after the lighting angle adjustment is completed, thereby ensuring the stability of the equipment during use. After the lighting component is retracted into the inner side of the protective dustproof unit driven by the retractable self-adjusting component, the protective dustproof unit can protect the adjustable lighting component in storage and automatically clean the adjustable lighting component, which greatly improves the service life of the equipment. By setting a controllable lighting unit in conjunction with the protective dustproof unit, the lighting height and angle of the equipment can be freely adjusted, and the adjusted equipment can be firmly locked, which improves the convenience for medical staff to examine different positions of the child's mouth. The equipment can also be retracted, which is not only convenient for people to store the equipment, but also can achieve effective protection and cleaning of the equipment during storage, which greatly improves the convenience of the equipment when in use and is conducive to improving the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the structure of an oral examination lighting lamp for easy adjustment of the irradiation angle.

[0016] Figure 2 A cross-sectional view of an oral examination lighting lamp for easy adjustment of the illumination angle.

[0017] Figure 3A schematic diagram of the structure of a retractable self-adjusting component in an oral examination lighting lamp for facilitating adjustment of the illumination angle.

[0018] Figure 4 A partial cross-sectional view of a retractable self-adjusting component in an oral examination lighting lamp for easy adjustment of the illumination angle.

[0019] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at point A in the middle.

[0020] Figure 6 A schematic diagram of the structure of an adjustable lighting assembly in an oral examination lighting lamp for facilitating adjustment of the illumination angle.

[0021] Figure 7 for Figure 6 Schematic diagram of the enlarged structure at point B in the middle.

[0022] Figure 8 A schematic diagram of the structure of a multi-stage voltage control component in an oral examination lighting lamp for easy adjustment of the irradiation angle.

[0023] Fig. 9 A schematic diagram of the structure of a lifting adsorption component in an oral examination lighting lamp for easy adjustment of the irradiation angle.

[0024] Fig.10 A schematic diagram of the structure of a protective dustproof unit in an oral examination lighting lamp for facilitating adjustment of the irradiation angle.

[0025] Fig.11 A cross-sectional view of a protective dustproof unit in an oral examination lighting lamp to facilitate adjustment of the illumination angle.

[0026] In the figure: 1-support base, 2-castor, 3-fixed frame, 4-controllable lighting unit, 5-protective dustproof unit, 6-lifting adsorption component, 7-retractable self-adjusting component, 8-adjustable lighting component, 9-multi-stage pressure control component, 10-lifting seat, 11-servo motor, 12-threaded rod, 13-steering motor, 14-mounting seat, 15-connecting sleeve, 16-ventilation pipe, 17-connecting duct, 18-guiding cavity, 19-support pipe, 20-ventilation port, 21-transmission control cavity, 22-guiding control pipe, 23-movable seat, 24-telescopic member, 25-pressure guiding pipe, 26-lighting lamp, 27-support rod, 28- Connecting ball, 29-fixed seat, 30-clamping block, 31-piston tube, 32-balance chamber, 33-locking piece, 34-control box, 35-control board, 36-retractable piece, 37-control tube, 38-voltage transformer, 39-pressure control piece, 40-connecting tube, 41-pressure regulating piece, 42-connecting slide bar, 43-fixed tube, 44-pressure transmission piece, 45-transmission rod, 46-transmission control tube, 47-lifting piece, 48-limiting guide frame, 49-adsorption bottom plate, 50-positioning side plate, 51-suction cup, 52-protection box, 53-dust removal box, 54-air pump, 55-air transmission pipe, 56-dust blowing chamber, 57-dust suction chamber, 58-filter frame. DETAILED DESCRIPTION

[0027] The technical solution of the present application is further described in detail below in conjunction with specific implementation methods.

[0028] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0029] See also Figure 1 and Figure 2In one embodiment of the present invention, a lighting lamp for oral examination that is easy to adjust the illumination angle includes: a support base 1; casters 2, which are symmetrically arranged on the outer side of the bottom end of the support base 1 and are rotatably connected to the support base 1 to support the support base 1; a fixing frame 3, which is fixedly connected to the outer side of the top end of the support base 1; a controllable lighting unit 4, which is connected to the fixing frame 3 and the support base 1, and is used to cooperate with the fixing frame 3 to realize the retraction and extension of the equipment and complete the adjustment of the lighting height and angle; a protective dustproof unit 5, which is fixedly connected to the fixing frame 3 and is connected to the recovered controllable lighting unit 4, and is used to cooperate with the fixing frame 3 to realize the protection of the recovered controllable lighting unit 4 and realize automatic dust removal of the controllable lighting unit 4; wherein, The controllable lighting unit 4 includes: a lifting adsorption component 6, a retractable self-adjusting component 7, an adjustable lighting component 8 and a multi-stage pressure control component 9. The multi-stage pressure control component 9 is arranged on the outside of the fixed frame 3 and is fixedly connected to the support base 1. The multi-stage pressure control component 9 is connected to the lifting adsorption component 6 arranged on the outside of the bottom end of the support base 1, and is used to drive the lifting adsorption component 6 to lock the support base 1. The multi-stage pressure control component 9 is also connected to the retractable self-adjusting component 7 arranged on the inside of the fixed frame 3. The retractable self-adjusting component 7 is connected to the fixed frame 3 and is connected to the adjustable lighting component 8. It is used to cooperate with the fixed frame 3 to realize the lifting and rotation of the adjustable lighting component 8, and can cooperate with the multi-stage pressure control component 9 to realize the driving of the adjustable lighting component 8, and lock the adjustable lighting component 8 after the lighting angle adjustment is completed.

[0030] In this embodiment, when the device is running, the casters 2 can realize the movement of the supporting base 1, the multi-stage pressure control component 9 drives the lifting adsorption component 6 to be connected to the ground, and realizes the adsorption connection between the lifting adsorption component 6 and the ground to complete the positioning of the equipment, and the retractable self-adjusting component 7 cooperates with the fixed frame 2 to drive the adjustable lighting component 8 to lift and rotate, complete the deployment of the adjustable lighting component 8, and make the adjustable lighting component 8 accurately located on the upper part of the patient's mouth, the adjustable lighting component 8 can freely adjust the lighting angle, when the lighting angle is adjusted, the multi-stage pressure control component 9 cooperates with the retractable self-adjusting component 7 to drive the adjustable lighting component 8, and locks the adjustable lighting component 8 after the lighting angle adjustment is completed, thereby ensuring the stability of the equipment during use, when the adjustable lighting component 8 is retracted into the inner side of the protective dustproof unit 5 under the drive of the retractable self-adjusting component 7, the protective dustproof unit 5 can protect the adjustable lighting component 8 in storage, and can adjust the adjustable lighting angle. The controllable lighting component 8 is automatically cleaned, which greatly improves the service life of the equipment. Compared with the prior art, when medical staff examine the child's mouth, the medical staff usually makes the child lie on the examination chair and open his mouth, and then the medical staff uses a flashlight to illuminate the child's mouth for examination. However, when the medical staff uses a flashlight to illuminate the child's mouth for examination, it will inevitably affect the medical staff's line of sight and the difficulty of hand work, which in turn affects the precision of the medical staff's examination of the child's mouth to a certain extent. By setting a controllable lighting unit 4 and cooperating with a protective dustproof unit 5, the lighting height and angle of the equipment can be freely adjusted, and the adjusted equipment can be firmly locked, which improves the convenience of medical staff to examine different positions of the child's mouth, and can also retract the equipment, which is not only convenient for people to store the equipment, but also can achieve effective protection and cleaning of the equipment during storage, greatly improving the convenience of the equipment when in use, and is conducive to improving the service life of the equipment.

[0031] In one embodiment of the present invention, please refer to Figure 3 and Figure 4The retractable self-adjusting assembly 7 includes: a lifting seat 10, a servo motor 11, a threaded rod 12, a steering motor 13, a mounting seat 14, a support tube 19 and a pressure transmission control assembly. The lifting seat 10 is slidably connected to the inner side of the fixed frame 3, and a servo motor 11 fixedly connected to the outer wall of the protective dustproof unit 5 is arranged on the outer side of the bottom end of the lifting seat 10. Threaded rods 12 rotatably connected to the fixed frame 3 are arranged on both sides of the servo motor 11. The threaded rods 12 on both sides are connected to the output end of the servo motor 11 through a belt transmission member. The threaded rods 12 on both sides are threadedly connected to the lifting seat 10. A support tube 19 is rotatably connected to the lifting seat 10, and the outer side of the support tube 19 is fixedly connected A mounting base 14 connected to the adjustable lighting assembly 8 is provided, and a steering motor 13 is also fixedly connected to the lifting seat 10. The output end of the steering motor 13 is fixedly connected to the driving gear, and the driving gear is meshedly connected to the driven gear fixedly connected to the outside of the support tube 19, which is used to cooperate with the steering motor 13 to drive the support tube 19 to rotate, so as to realize the retraction and extension of the adjustable lighting assembly 8. A pressure transmission control assembly is provided between the support tube 19 and the lifting seat 10, and the pressure transmission control assembly is connected to the multi-stage pressure control assembly 9 and the adjustable lighting assembly 8, and is used to cooperate with the multi-stage pressure control assembly 9 to drive the adjustable lighting assembly 8, so as to realize the locking of the adjusted adjustable lighting assembly 8.

[0032] In this embodiment, the belt transmission member includes a pulley fixedly connected to the output end of the servo motor 11 and the outer sides of the threaded rods 12 on both sides, the pulleys are connected by belts, the steering motor 13 realizes the rotation of the support tube 19 through the driving gear and the driven gear, the support tube 19 cooperates with the mounting seat 14 to drive the adjustable lighting assembly 8 to rotate, and the adjustable lighting assembly 8 is rotated out from the inside of the protective dustproof unit 5, the servo motor 11 drives the threaded rods 12 on both sides to rotate synchronously through the pulley and the belt, the threaded rods 12 drive the lifting seat 10 to move along the wall of the fixed frame 3, and the lifting seat 10 cooperates with the support tube 19 to drive the mounting seat 14 to lift synchronously , the height of the adjustable lighting component 8 can be adjusted, and the casters 2 can be used to accurately position the adjustable lighting component 8 above the oral cavity. The adjustable lighting component 8 can freely control the lighting angle, and the multi-stage pressure control component 9 can cooperate with the pressure transmission control component to drive the adjustable lighting component 8, so that the adjusted adjustable lighting component 8 can be locked, thereby ensuring the reliability of the lighting. By setting the retractable self-adjusting component 7, the adjustable lighting component 8 can be automatically retracted and extended, thereby improving the convenience of the equipment during storage, and the height of the adjustable lighting component 8 can be adjusted, thereby ensuring the effectiveness of the lighting and improving the applicability of the equipment.

[0033] In one embodiment of the present invention, please refer to Figure 4 and Figure 5The pressure transmission and control assembly includes: a connecting sleeve 15, a vent pipe 16, a connecting conduit 17, a guide cavity 18, a vent 20, a control cavity 21 and a guide and control tube 22. The connecting sleeve 15 is sleeved on the outside of one end of the support tube 19, is rotatably connected to the outer wall of the support tube 19, and is fixedly connected to the lifting seat 10. The vent pipe 16 is fixedly connected between the connecting sleeve 15 and the lifting seat 10. The vent pipe 16 is connected to the guide cavity 18 arranged on the inner side of the lifting seat 10, and the guide cavity 18 is also connected to the connecting conduit 17 fixedly connected to the lifting seat 10. The other end of the connecting conduit 17 is connected to the multi-stage pressure control component 9, which is used to cooperate with the multi-stage pressure control component 9 to realize the flow of air inside the connecting sleeve 15. A plurality of guide tubes 22 fixedly connected to the support tube 19 are arranged on the inside of the connecting sleeve 15. The support tube 19 is located on the rod wall inside the mounting seat 14 and is provided with a plurality of vents 20. The vents 20 are connected to a transmission and control cavity 21 arranged on the inside of the mounting seat 14. The transmission and control cavity 21 is connected to the adjustable lighting component 8, which is used to cooperate with the air flowing inside the connecting sleeve 15 to realize the driving of the adjustable lighting component 8.

[0034] In this embodiment, the ventilation pipe 16 is fixedly connected and arranged between the connecting sleeve 15 and the lifting seat 10, the support tube 19 is rotatably connected to the wall of the connecting sleeve 15, and a sealing ring is fixedly connected and arranged on the wall of the connecting part, the multi-stage pressure control component 9 cooperates with the connecting guide tube 17 to transport air into the inner side of the guide cavity 18, and enters the inner side of the connecting sleeve 15 along the ventilation pipe 16, enters the inner side of the support tube 19 along the guide tube 22, and enters the inner side of the transmission and control cavity 21 from the ventilation port 20, and enters the inner side of the transmission and control cavity 21 from the transmission and control cavity 21 to lock the adjustable lighting component 8 after the lighting angle adjustment is completed, thereby ensuring the reliability of the lighting, and by setting up the pressure transmission and control component, it can cooperate with the multi-stage pressure control component 9 to complete the driving of the adjustable lighting component 8, and realize the locking of the adjustable lighting component 8 after the lighting angle adjustment is completed, thereby ensuring the stability and reliability of the adjustable lighting component 8 during use, thereby greatly improving the lighting effect.

[0035] In one embodiment of the present invention, please refer to Figure 6 and Figure 7The adjustable lighting assembly 8 includes: a movable seat 23, a telescopic member 24, a pressure-conducting tube 25, a lighting lamp 26, a support rod 27, a connecting ball 28, a fixed seat 29, a clamping block 30, a piston tube 31, a balancing chamber 32 and a locking member 33. The movable seat 23 is slidably connected and arranged on the outside of the mounting seat 14, is connected to the mounting seat 14 through the telescopic member 24, and is clamped with the protective dustproof unit 5. The movable seat 23 is fixedly connected to the outside of one end away from the mounting seat 14, and a connecting ball 28 is rollingly arranged on the inside of the fixed seat 29. The supporting rod 27 is fixedly connected to the outside of the connecting ball 28, and the other end of the supporting rod 27 is fixedly connected to the lighting lamp 26. A plurality of clamping blocks 30 are arranged around the inside of the mounting seat 14, and the clamping blocks 30 are connected to the A spring is fixedly connected between the fixed seats 29 for cooperating with the fixed seats 29 to limit the connecting ball 28. A balancing chamber 32 is also provided on the inner side of the fixed seat 29. A piston tube 31 is symmetrically provided on the outer side of the balancing chamber 32 near one end of the connecting ball 28. The piston tube 31 is fixedly connected to the fixed seat 29, and a locking piece 33 is slidably connected on the inner side. A spring is fixedly connected between the locking piece 33 and the fixed seat 29. A pressure guide tube 25 connected to the balancing chamber 32 is also fixedly connected on the fixed seat 29. The other end of the pressure guide tube 25 leads to the inner side of the control chamber 21 and is slidably connected to the shell wall of the mounting seat 14, so as to cooperate with the air flowing inside the control chamber 21 to realize the movement of the locking piece 33 inside the piston tube 31, thereby completing the locking of the connecting ball 28.

[0036] In this embodiment, the telescopic member 24 is fixedly connected and arranged between the mounting seat 14 and the movable seat 23. The telescopic member 24 is an electric telescopic rod. In addition, the locking member 33 includes a first piston slidably connected to the inner side of the piston tube 31 and a locking block fixedly connected to the first piston. A spring is fixedly connected between the first piston and the fixed seat 29. The air entering the inner side of the transmission and control chamber 21 enters the inner side of the balance chamber 32 along the pressure guiding pipe 25 to realize the movement of the first piston inside the piston tube 31. The first piston cooperates with the locking block to clamp and lock the connecting ball 28 located inside the fixed seat 29, wherein the connecting ball 28 is not When locked, the clamping block 30 cooperates with the spring connected to the fixing seat 29 to preliminarily position the connecting ball 28, and it is convenient for people to adjust the lighting angle of the lighting lamp 26, so that the adjusted lighting lamp 26 can remain stable, and cooperate with the locking piece 33 to ensure the stability and reliability of the lighting lamp 26 during use, and ensure the effectiveness of the illumination. By setting an adjustable lighting component 8, the angle of the lighting lamp 26 can be flexibly controlled, and can cooperate with the multi-stage pressure control component 9 and the retractable self-adjusting component 7 to lock the adjusted lighting lamp 26, thereby ensuring the stability and reliability of the lighting lamp 26 during use.

[0037] In one embodiment of the present invention, please refer to Figure 8The multi-stage pressure control assembly 9 includes: a control box 34, a control panel 35, a retractable component 36, a control tube 37, a transformer tube 38, a pressure control component 39, a connecting tube 40, a pressure regulating component 41, a connecting slide rod 42, a fixed tube 43, a pressure transmission component 44, a transmission rod 45, a transmission control tube 46 and a lifting component 47. The control box 34 is arranged on the outside of the fixed frame 3 and is fixedly connected to the support base 1. The control panel 35 is slidably connected to the inside of the control box 34. The retractable component 36 is fixedly connected between the top of the control panel 35 and the control box 34. A control tube 37 fixedly connected to the control box 34 is also arranged on the outside of the top of the control panel 35. The control tube 37 is slidably connected to the connecting conduit 17. The transformer tube 38 is fixedly connected to the tube walls on both sides of the bottom of the control tube 37. The transformer tube 38 and the control panel 35 A pressure control piece 39 fixedly connected to the control board 35 is arranged in between, and the pressure control piece 39 is arranged opposite to the transformer tube 38, and is used to cooperate with the movement of the control board 35 to realize the flow of air inside the control tube 37, and a fixed tube 43 fixedly connected to the control box 34 is symmetrically arranged on the outer side of the bottom end of the control board 35, and a pressure input piece 44 is slidably connected to the inner side of the fixed tube 43, and a transmission rod 45 is slidably connected to the inner side of the pressure input piece 44, and a spring is fixedly connected between the transmission rod 45 and the pressure input piece 44, and the other end of the transmission rod 45 is fixedly connected to the control board 35, and a transmission control tube 46 is fixedly connected on the side wall of the top end of the fixed tube 43, and a lifting piece 47 connected to the lifting adsorption assembly 6 is slidably connected to the inner side of the transmission control tube 46, and is used to cooperate with the flow of air inside the fixed tube 43 to realize the lifting of the lifting adsorption assembly 6. A plurality of connecting tubes 40 connected to the lifting adsorption assembly 6 are arranged between the fixed tubes 43 on both sides, a pressure regulating part 41 is slidingly connected to the inner side of the connecting tube 40, a connecting slide rod 42 is slidingly connected to the inner side of the pressure regulating part 41, a spring is fixedly connected between the connecting slide rod 42 and the pressure regulating part 41, and the other end of the connecting slide rod 42 is fixedly connected to the control panel 35, so as to cooperate with the lifting and lowering of the control panel 35 to realize the adsorption connection between the lifting adsorption assembly 6 and the ground.

[0038] In this embodiment, the connecting conduit 17 is slidably connected to the inner side of the control tube 37, the pressure control member 39 includes a first push rod fixedly connected to the control plate 35 and a second piston fixedly connected to the first push rod, the second piston is arranged opposite to the transformer tube 38, as the control plate 35 moves upward, the second piston enters the inner side of the transformer tube 38, the second piston is slidably connected to the inner wall of the transformer tube 38, and the air located inside the transformer tube 38 is driven to enter the inner side of the control tube 37 and enter the inner side of the guide cavity 18 along the connecting conduit 17, the pressure delivery member 44 includes a third piston slidably connected to the inner side of the fixed tube 43 and a second push rod fixedly connected to the third piston The second push rod is slidably connected to the transmission rod 45, and a spring is fixedly connected between the second push rod and the transmission rod 45. In addition, the pressure regulating member 41 includes a fourth piston slidably connected to the inner side of the connecting tube 40 and a third push rod fixedly connected to the fourth piston. The third push rod is slidably connected to the connecting slide rod 42, and a spring is fixedly connected between the third push rod and the connecting slide rod 42. The lifting member 47 includes a fifth piston slidably connected to the inner side of the control tube 46 and a lifting rod fixedly connected to the fifth piston. The other end of the lifting rod is fixedly connected to the adsorption bottom plate 49 inside the lifting adsorption assembly 6. The retractable member 36 is fixedly connected to the control member 46. Between the control board 35 and the control box 34, the retractable member 36 is an electric telescopic rod, and the retractable member 36 drives the control board 35 to move up and down inside the control box 34. The control board 35 first cooperates with the transmission rod 45 to drive the third piston to move inside the fixed tube 43, and the air inside the fixed tube 43 enters the inside of the transmission tube 46, driving the fifth piston to move inside the transmission tube 46. The fifth piston cooperates with the lifting rod to realize the lifting of the lifting adsorption component 6. When the control board 35 moves upward, the lifting adsorption component 6 moves downward, and the lifting adsorption component 6 contacts the ground. At the same time, the control board 35 can cooperate with the connecting slide rod 42 to drive the fourth piston to move inside the connecting tube 40. Move, as the lifting adsorption component 6 contacts the ground, the fourth piston cooperates with the connecting pipe 40 to extract the air inside the lifting adsorption component 6, so as to realize the adsorption connection between the lifting adsorption component 6 and the ground, and the control board 35 continues to move upward, and the control board 35 drives the second piston to enter the inside of the transformer 38, and cooperates with the retractable self-adjusting component 7 to complete the locking of the adjustable lighting component 8. By setting a multi-stage pressure control component 9, the driving of the lifting adsorption component 6 and the retractable self-adjusting component 7 can be completed in turn, and the locking of the adjustable lighting component 8 can be completed in cooperation with the retractable self-adjusting component 7, thereby ensuring the stability and reliability of the equipment during use.

[0039] In one embodiment of the present invention, please refer to Fig. 9The lifting adsorption component 6 includes: a limiting guide frame 48, an adsorption bottom plate 49, a positioning side plate 50 and a suction cup 51. The limiting guide frame 48 is fixedly connected to the outer side of the bottom end of the support base 1. The positioning side plates 50 are symmetrically arranged on both sides of the limiting guide frame 48. The opposite ends of the positioning side plates 50 on both sides are slidably connected to the frame wall of the limiting guide frame 48. The outer side of the bottom end of the positioning side plate 50 is fixedly connected to the adsorption bottom plate 49. A plurality of springs are fixedly connected between the adsorption bottom plate 49 and the limiting guide frame 48. A plurality of suction cups 51 are fixedly connected to the bottom end plate wall of the adsorption bottom plate 49. The top plate wall of the adsorption bottom plate 49 is fixedly connected to the connecting pipe 40 and is fixedly connected to the lifting member 47.

[0040] In this embodiment, positioning side plates 50 are symmetrically arranged on the outer side of the top of the adsorption bottom plate 49, and a limiting guide frame 48 fixedly connected to the support base 1 is slidably connected between the positioning side plates 50 on both sides, wherein the positioning side plate 50 is an L-shaped plate, and the lifting member 47 drives the adsorption bottom plate 49 to move downward, and the suction cup 51 on the adsorption bottom plate 49 abuts against the ground, and the fourth piston cooperates with the connecting pipe 40 to extract the air located on the inner side of the adsorption bottom plate 49, and the suction cup 51 is adsorbed and connected to the ground to complete the positioning of the equipment, thereby ensuring the stability during use. By setting up a lifting adsorption component 6, it can cooperate with the multi-stage pressure control component 9 to achieve the positioning of the equipment, thereby improving the stability of the equipment during use.

[0041] In one embodiment of the present invention, please refer to Fig.10 and Fig.11 The protective dustproof unit 5 includes: a protective box 52, a dust removal box 53, an air pump 54, a dust blowing chamber 56, a dust suction chamber 57 and a filter frame 58. The protective box 52 is fixedly connected to the bottom inner side of the fixed frame 3. A dust blowing chamber 56 is arranged on the inner side of the box wall at one end of the protective box 52, and a dust suction chamber 57 is arranged on the inner side of the box wall at the other end. The dust blowing chamber 56 is connected to a plurality of dust blowing pipes fixedly connected to the box wall of the protective box 52, and the dust suction chamber 57 is connected to a plurality of dust suction pipes fixedly connected to the box wall of the protective box 52. An air pump 54 is also arranged inside the protective box 52. The output end of the air pump 54 is connected to the dust blowing chamber 56 through an air supply pipe 55, and the other end is connected to the dust removal box 53 arranged on the inner side of the protective box 52 through an exhaust pipe. An air inlet pipe is fixedly connected to the box wall at the other end of the dust removal box 53, and the other end of the air inlet pipe is connected to the dust suction chamber 57. A filter frame 58 connected to the dust removal box 53 is arranged between the air inlet pipe and the exhaust pipe.

[0042] In this embodiment, when the movable seat 23 is recovered as the mounting seat 14 rotates, the movable seat 23 is inserted into the inner side of the protective box 52, and the lighting lamp 26 also enters the inner side of the protective box 52 together with the movable seat 23, and is located between the dust suction pipe and the dust blowing pipe. The air pump 54 drives the air to flow, and the air enters the inner side of the dust blowing chamber 56 along the air supply pipe 55, and is blown out from the dust blowing pipe to blow away the dust attached to the lighting lamp 26. The dust enters the inner side of the dust suction chamber 57 along the dust suction pipe, and enters the inner side of the dust removal box 53 along the air intake pipe. The filter frame 58 filters the dust, and the air after dust removal enters the inner side of the air pump 54 along the exhaust pipe, so as to realize the circulation of air inside the protective box 52. By setting up the protective dustproof unit 5, not only the recovered adjustable lighting assembly 8 can be protected, but also the adjustable lighting assembly 8 can be automatically cleaned, which can not only improve the service life of the equipment, but also does not require manual cleaning, thereby improving the convenience of the equipment during use.

[0043] The oral examination lighting lamp with easy adjustment of the irradiation angle can freely adjust the lighting height and angle of the equipment by setting a controllable lighting unit 4 and cooperating with a protective dustproof unit 5, and can firmly lock the adjusted equipment, thereby improving the convenience for medical staff to examine different positions of the child's oral cavity. The equipment can also be retracted, which is not only convenient for people to store the equipment, but also can achieve effective protection and cleaning of the equipment during storage, greatly improving the convenience of the equipment during use, and is conducive to prolonging the service life of the equipment. By setting a retractable self-adjusting component 7, the adjustable lighting component 8 can be automatically retracted and released, thereby improving the convenience of the equipment during storage, and the height of the adjustable lighting component 8 can be adjusted, thereby ensuring the effectiveness of the lighting and improving the applicability of the equipment. By setting a pressure transmission and control component, the multi-stage pressure control component 9 can be cooperated to complete the driving of the adjustable lighting component 8, and the adjustable lighting component 8 can be locked after the lighting angle adjustment is completed, thereby ensuring the adjustable lighting component The stability and reliability of the component 8 during use greatly improves the lighting effect. By setting the adjustable lighting component 8, the angle of the lighting lamp 26 can be flexibly controlled, and the multi-stage pressure control component 9 and the retractable self-adjusting component 7 can be used to lock the adjusted lighting lamp 26, thereby ensuring the stability and reliability of the lighting lamp 26 during use. By setting the multi-stage pressure control component 9, the driving of the lifting adsorption component 6 and the retractable self-adjusting component 7 can be completed in succession, and the locking of the adjustable lighting component 8 can be completed in cooperation with the retractable self-adjusting component 7, thereby ensuring the stability and reliability of the equipment during use. By setting the lifting adsorption component 6, the multi-stage pressure control component 9 can be used to position the equipment, thereby improving the stability of the equipment during use. By setting the protective dustproof unit 5, not only the recovered adjustable lighting component 8 can be protected, but also the adjustable lighting component 8 can be automatically cleaned, thereby improving the service life of the equipment and eliminating the need for manual cleaning, thereby improving the convenience of the equipment during use.

[0044] The above are only preferred embodiments of the present invention. It should be pointed out that, for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the protection scope of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. An oral inspection lighting lamp with an adjustable irradiation angle, characterized in that: include: Support base; Casters, which are symmetrically arranged on the outer side of the bottom end of the support base and are rotatably connected to the support base to support the support base; A fixing frame, the fixing frame is fixedly connected and arranged on the outer side of the top end of the supporting base; A controllable lighting unit, which is connected to a fixing frame and a supporting base, and is used to cooperate with the fixing frame to realize the retraction and deployment of the equipment and complete the adjustment of the lighting height and angle; A protective dustproof unit, which is fixedly connected to the fixing frame and connected to the recovered controllable lighting unit, and is used to cooperate with the fixing frame to realize protection of the recovered controllable lighting unit and realize automatic dust removal of the controllable lighting unit; Among them, the controllable lighting unit includes: a lifting adsorption component, a retractable self-adjusting component, an adjustable lighting component and a multi-stage pressure control component. The multi-stage pressure control component is arranged on the outside of the fixed frame and fixedly connected to the support base. The multi-stage pressure control component is connected to the lifting adsorption component arranged on the outside of the bottom end of the support base, and is used to drive the lifting adsorption component to lock the support base. The multi-stage pressure control component is also connected to the retractable self-adjusting component arranged on the inside of the fixed frame. The retractable self-adjusting component is connected to the fixed frame and to the adjustable lighting component, and is used to cooperate with the fixed frame to realize the lifting and rotation of the adjustable lighting component, and can cooperate with the multi-stage pressure control component to realize the driving of the adjustable lighting component, and lock the adjustable lighting component after the lighting angle adjustment is completed.

2. The oral inspection lighting lamp with easy-to-adjust irradiation angle according to claim 1, characterized in that: The retractable self-adjusting component includes: a lifting seat, a servo motor, a threaded rod, a steering motor, a mounting seat, a support tube and a pressure transmission control component. The lifting seat is slidably connected to the inner side of the fixed frame, and a servo motor fixedly connected to the outer wall of the protective dustproof unit is arranged on the outer side of the bottom end of the lifting seat. Threaded rods rotatably connected to the fixed frame are arranged on both sides of the servo motor. The threaded rods on both sides are connected to the output end of the servo motor through a belt transmission part. The threaded rods on both sides are threadedly connected to the lifting seat. A support tube is rotatably connected to the lifting seat, and a servo motor is fixedly connected to the outer side of the support tube. A mounting seat connected to the lighting assembly, a steering motor is also fixedly connected to the lifting seat, the output end of the steering motor is fixedly connected to the driving gear, the driving gear is meshed with a driven gear fixedly connected to the outside of the support tube, and is used to cooperate with the steering motor to drive the support tube to rotate, so as to realize the retraction and extension of the adjustable lighting assembly. A pressure transmission control assembly is arranged between the support tube and the lifting seat, the pressure transmission control assembly is connected to the multi-stage pressure control assembly, and is connected to the adjustable lighting assembly, and is used to cooperate with the multi-stage pressure control assembly to drive the adjustable lighting assembly, so as to realize the locking of the adjusted adjustable lighting assembly.

3. The oral inspection lighting lamp with easy-to-adjust irradiation angle according to claim 2, characterized in that: The pressure-conducting and controlling assembly comprises: a connecting sleeve, a ventilation pipe, a connecting conduit, a guide cavity, a vent, a control cavity and a guiding and controlling pipe. The connecting sleeve is sleeved on the outside of one end of the supporting tube, is rotatably connected to the outer wall of the supporting tube, and is fixedly connected to the lifting seat. A ventilation pipe is fixedly connected between the connecting sleeve and the lifting seat. The ventilation pipe is connected to the guide cavity arranged on the inner side of the lifting seat. The guide cavity is also connected to the connecting conduit fixedly connected to the lifting seat. The other end of the connecting conduit is connected to the multi-stage pressure-controlling assembly for cooperating with the multi-stage pressure-controlling assembly to realize the flow of air inside the connecting sleeve. A plurality of guiding and controlling pipes fixedly connected to the supporting tube are arranged on the inner side of the connecting sleeve. A plurality of vents are arranged on the rod wall of the supporting tube located on the inner side of the mounting seat. The vent is connected to the control cavity arranged on the inner side of the mounting seat. The control cavity is connected to the adjustable lighting assembly for cooperating with the air flowing inside the connecting sleeve to realize the driving of the adjustable lighting assembly.

4. The oral inspection lighting lamp with easy-to-adjust irradiation angle according to claim 3, characterized in that: The adjustable lighting assembly includes: a movable seat, a telescopic member, a pressure-conducting tube, a lighting lamp, a support rod, a connecting ball, a fixed seat, a clamping block, a piston tube, a balancing chamber and a locking member. The movable seat is slidably connected and arranged on the outside of the mounting seat, is connected to the mounting seat through a telescopic member, and is clamped with a protective dustproof unit. A fixed seat is fixedly connected to the outside of one end of the movable seat away from the mounting seat, a connecting ball is rotatably arranged on the inside of the fixed seat, a support rod is fixedly connected to the outside of the connecting ball, and the other end of the support rod is fixedly connected to the lighting lamp. A plurality of clamping blocks are arranged around the inside of the mounting seat, and a clamping block is provided between the clamping block and the fixed seat. The fixed connection is provided with a spring for cooperating with the fixed seat to limit the connecting ball. A balancing chamber is also provided on the inner side of the fixed seat. A piston tube is symmetrically provided on the outer side of the balancing chamber near one end of the connecting ball. The piston tube is fixedly connected to the fixed seat. A locking piece is provided for the inner sliding connection. A spring is fixedly connected between the locking piece and the fixed seat. A pressure-conducting tube connected to the balancing chamber is also fixedly provided on the fixed seat. The other end of the pressure-conducting tube leads to the inner side of the control chamber and is slidably connected to the shell wall of the mounting seat to cooperate with the air flowing inside the control chamber to realize the movement of the locking piece inside the piston tube, thereby completing the locking of the connecting ball.

5. The oral inspection lighting lamp with easy-to-adjust irradiation angle according to claim 4, characterized in that: The multi-stage pressure control assembly includes: a control box, a control panel, a retractable component, a control tube, a transformer tube, a pressure control component, a connecting tube, a pressure regulating component, a connecting slide rod, a fixed tube, a pressure transmission component, a transmission rod, a control transmission tube and a lifting component. The control box is arranged on the outside of the fixed frame and is fixedly connected to the support base. A control panel is slidably connected to the inside of the control box. A retractable component is fixedly connected between the top of the control panel and the control box. A control tube fixedly connected to the control box is also arranged on the outside of the top of the control panel. The control tube is slidably connected to the connecting conduit. Variable pressure tubes are fixedly connected to the tube walls on both sides of the bottom end of the control tube. A control tube connected to the control panel is arranged between the transformer tube and the control panel. A pressure-controlling part fixedly connected to the board, the pressure-controlling part and the transformer are arranged relatively to each other, and are used to cooperate with the movement of the control board to realize the flow of air inside the control tube; a fixed tube fixedly connected to the control box is symmetrically arranged on the outer side of the bottom end of the control board, a pressure transmission part is slidably connected to the inner side of the fixed tube, a transmission rod is slidably connected to the inner side of the pressure transmission part, a spring is fixedly connected between the transmission rod and the pressure transmission part, and the other end of the transmission rod is fixedly connected to the control board, a transmission control tube is fixedly connected to the top side wall of the fixed tube, and a lifting part connected to the lifting adsorption assembly is slidably connected to the inner side of the transmission control tube, and is used to cooperate with the flow of air inside the fixed tube to realize the lifting of the lifting adsorption assembly; a plurality of connecting tubes connected to the lifting adsorption assembly are arranged between the fixed tubes on both sides, a pressure regulating part is slidably connected to the inner side of the connecting tube, a connecting slide rod is slidably connected to the inner side of the pressure regulating part, a spring is fixedly connected between the connecting slide rod and the pressure regulating part, and the other end of the connecting slide rod is fixedly connected to the control board, and is used to cooperate with the lifting of the control board to realize the adsorption connection between the lifting adsorption assembly and the ground.

6. The oral inspection lighting lamp with easy-to-adjust irradiation angle according to claim 5, characterized in that: The lifting adsorption assembly includes: a limiting guide frame, an adsorption bottom plate, a positioning side plate and a suction cup, the limiting guide frame is fixedly connected to the outer side of the bottom end of the supporting base, the positioning side plates are symmetrically arranged on both sides of the limiting guide frame, the opposite ends of the positioning side plates on both sides are slidably connected to the frame wall of the limiting guide frame, the outer side of the bottom end of the positioning side plate is fixedly connected to the adsorption bottom plate, a number of springs are fixedly connected between the adsorption bottom plate and the limiting guide frame, a number of suction cups are fixedly connected to the plate wall at the bottom end of the adsorption bottom plate, the top plate wall of the adsorption bottom plate is fixedly connected to the connecting pipe, and is fixedly connected to the lifting member.

7. The oral inspection lighting lamp with easy-to-adjust irradiation angle according to claim 1, characterized in that: The protective dustproof unit includes: a protective box, a dust removal box, an air pump, a dust blowing chamber, a dust suction chamber and a filter frame. The protective box is fixedly connected to the inner bottom of the fixed frame, a dust blowing chamber is provided on the inner side of the box wall at one end of the protective box, and a dust suction chamber is provided on the inner side of the box wall at the other end. The dust blowing chamber is connected to a plurality of dust blowing pipes fixedly connected to the box wall of the protective box, and the dust suction chamber is connected to a plurality of dust suction pipes fixedly connected to the box wall of the protective box. An air pump is also provided inside the protective box, and the output end of the air pump is connected to the dust blowing chamber through an air supply pipe, and the other end is connected to the dust removal box provided on the inner side of the protective box through an exhaust pipe. An air intake pipe is fixedly connected to the box wall at the other end of the dust removal box, and the other end of the air intake pipe is connected to the dust suction chamber. A filter frame connected to the dust removal box is provided between the air intake pipe and the exhaust pipe.

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