CN213821334U

CN213821334U - High-stability laryngoscope

Info

Publication number: CN213821334U
Application number: CN202022477625.0U
Authority: CN
Inventors: 崔秀芹; 于丽娟; 张健; 党子清
Original assignee: Weihai Haigerui Medical Instrument Co ltd
Current assignee: Weihai Haigerui Medical Instrument Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-30
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a high stability's laryngoscope, belong to the technical field of laryngoscope, including microscope base and the lens that can dismantle the connection, the top of microscope base is equipped with the pedestal that is used for laying the lens, the spread groove has been seted up to the lateral wall of pedestal, the level rotates in the spread groove and is connected with the connecting rod, coaxial gear wheel and the pinion have set firmly on the connecting rod, gear wheel diameter is greater than the pinion diameter, the fixed slot has been seted up to the lens near the one end level of spread groove, gear wheel meshing has the fixed rack that can insert to locate in the fixed slot, pinion meshing has the rotation rack, the one end that the lens was kept away from to the rotation rack sets firmly the slide bar that the pedestal was worn to establish out to the tip. This application has the tong in preventing the user use, makes the more convenient effect of installation.

Description

High-stability laryngoscope

Technical Field

The present application relates to the field of laryngoscopes, and more particularly, to a high stability laryngoscope.

Background

The throat is the only channel for human body to eat, and is also the part with more organs of the human body, mainly including respiratory tract, vocal cords and the like, so that the throat often can enter impurities and bacteria to cause throat diseases, such as sphagitis, tonsillitis, polyp, tumor and the like. Because the physiological structure of the throat is complex, the larynx can not be directly peeped, and the laryngoscope is needed to be used for auxiliary examination.

A chinese publication No. CN207707887U discloses a laryngoscope, including handle and laryngoscope piece, laryngoscope piece and handle joint are connected, are provided with the spacing groove on the handle, be provided with on the laryngoscope piece with spacing tank bottom matched with locating surface, be provided with the joint stick in the spacing groove, be provided with on the laryngoscope piece with joint stick matched with draw-in groove. The laryngoscope blade is also provided with a slope surface which is arranged on one side of the positioning surface facing the opening direction of the clamping groove.

The above related technical solutions have the following drawbacks: above-mentioned laryngoscope needs to be in the same place laryngoscope piece and handle joint in the use, nevertheless connects through the mode of joint alone, causes the laryngoscope piece easily to be connected with the handle and is stable inadequately, influences the result of use.

SUMMERY OF THE UTILITY MODEL

In order to improve the stability of connecting, guarantee the result of use, the application provides a laryngoscope of high stability.

The application provides a high stability's laryngoscope adopts following technical scheme:

the utility model provides a high stability's laryngoscope, is including dismantling the microscope base and the lens of connection, the top of microscope base is equipped with the pedestal that is used for laying the lens, the spread groove has been seted up to the lateral wall of pedestal, horizontal rotation is connected with the connecting rod in the spread groove, coaxial gear wheel and the pinion have set firmly on the connecting rod, gear wheel diameter is greater than the pinion diameter, the lens is close to the one end level of spread groove and has seted up the fixed slot, gear wheel toothing has the fixed rack of inserting and locating in the fixed slot, pinion toothing has the rotation rack, the rotation rack is kept away from the one end of lens and is set firmly the slide bar that the pedestal was worn to establish out to the tip.

Through adopting above-mentioned technical scheme, when needing to use, the user is connected lens and pedestal, user pulling slide bar, it removes along with the removal of slide bar to rotate the rack, it rotates rack movable pinion, the pinion drives the connecting rod and rotates, and then drive the gear wheel and rotate, the gear wheel rotates and drives fixed rack and remove to the direction that is close to the slide bar, at this moment with connecting portion joint to the pedestal in, make the fixed slot correspond with fixed rack, then promote the slide bar, make the slide bar resume initial position, and then make fixed rack remove to the direction that is close to the fixed slot, finally make fixed rack insert establish in the fixed slot, thereby make microscope base and lens reciprocal anchorage, can improve the stability of connecting, guarantee the result of use.

Preferably, the slide bar is kept away from the one end of rotating the rack and is set firmly the plectane, the cover is equipped with the extension spring that is located between the lateral wall of plectane and pedestal on the slide bar, when the extension spring is in natural state, fixed rack is located the fixed slot.

Through adopting above-mentioned technical scheme, the user stimulates the plectane and then presses and pulls the slide bar, and plectane pulling extension spring takes place deformation, produces a restoring force, and after connecting portion were inserted and are located the spread groove, loosen the plectane, the extension spring resumes natural state and promotes the plectane and then drive the slide bar and resume initial condition, and the strip is inserted and is located in the fixed slot to the fixed this moment, improves the stability of connecting, convenient operation simultaneously.

Preferably, the cover is equipped with and is located the pinion and keeps away from the torsional spring of gear wheel one side on the connecting rod, the one end of torsional spring and the lateral wall fixed connection of pinion, the other end of torsional spring and the lateral wall fixed connection of spread groove, when the torsional spring is in natural state, fixed rack is located the fixed slot.

Through adopting above-mentioned technical scheme, when extension spring atress compressed, the deformation takes place for the torsional spring atress, and the torsional spring produces a resilience this moment, and when the extension spring recovered natural state, the torsional spring also recovered natural state, through mutually supporting of torsional spring and extension spring, further improved the stability of connecting.

Preferably, one end of the lens close to the seat body is provided with a groove, an elastic ball is placed in the groove, and the inner wall of the seat body close to the lens is provided with a clamping groove matched with the ball.

Through adopting above-mentioned technical scheme, the in-process of pedestal is connected to the lens joint, and the ball atress is compressed to in entering into the recess, when recess and joint groove coincide, the ball slides to the joint groove in from the recess, thereby further improves the stability of connecting.

Preferably, the one pot head that the spread groove was kept away from to the lens is equipped with the silica gel cushion.

Through adopting above-mentioned technical scheme, the silica gel cushion is softer, stretches into people's mouth when the lens, can prevent the tip of lens careless tissue in the fish tail population, improves the security of using.

Preferably, a plurality of anti-slip strips which are uniformly distributed along the length direction of the microscope base are fixedly arranged on the surface circumference of the microscope base.

Through adopting above-mentioned technical scheme, the antislip strip can user and mirror seat between frictional force, prevents that mirror seat and user from skidding and breaking away from in the use, further improves the security of using.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the large gear, the small gear, the fixed rack, the sliding rod and the rotating rack, the sliding rod drives the rotating rack to slide, the rotating rack drives the small gear to drive the large gear to rotate, the large gear drives the fixed rack to move, and the fixed rack is inserted into the fixed groove, so that the lens base and the lens are fixed, the lens base is convenient to disassemble, and the operation is simple;

2. through the arrangement of the tension spring and the torsion spring, the tension spring and the torsion spring are matched with each other, so that the stability of the connection between the lens base and the lens can be further improved;

drawings

FIG. 1 is a schematic view of the overall structure of the embodiment;

FIG. 2 is a schematic view showing the connection between the lens and the lens holder in the embodiment;

FIG. 3 is an exploded view of the connection between the connection plate and the base in the embodiment;

fig. 4 is an enlarged schematic view of a portion a of fig. 2.

Description of reference numerals: 1. a lens base; 11. a base body; 111. a groove; 12. a connecting rod; 13. a bull gear; 14. a pinion gear; 15. fixing a rack; 16. rotating the rack; 17. a slide bar; 171. a circular plate; 19. anti-slip strips; 2. a lens; 21. a connecting portion; 212. a ball bearing; 22. an extension portion; 221. a silica gel cushion; 3. a tension spring; 4. a torsion spring; 5. a spring; 6. a clamping groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a laryngoscope of high stability. Referring to fig. 1, a high stability laryngoscope comprises a base 1 and a lens 2 which are removably attached. The top end of the lens base 1 is fixedly connected with a base body 11, the cross section of the base body 11 is U-shaped, the lens base 1 is cylindrical and hollow, one end of the lens 2 is inserted and connected in the base body 11, thereby connecting the lens base 1 and the lens 2 into a whole, and then extending into the mouth of a person to carry out the examination of the throat.

Referring to fig. 1, the lens 2 is L-shaped, and includes a connecting portion 21 and an extending portion 22, which are fixedly connected, and the connecting portion 21 is clamped in the seat 11. One end of the extension part 22 far away from the connecting part 21 is sleeved with a silica gel cushion 221, so that when the extension part 22 enters the throat of a person, the possibility that the end part of the extension part 22 scratches the tissues of the throat can be reduced, and the use safety is improved.

Referring to fig. 1, a plurality of anti-slip strips 19 are fixedly arranged on the surface circumference of the microscope base 1, and the anti-slip strips 19 are uniformly distributed along the length direction of the microscope base 1. The anti-slip strip 19 can reduce the possibility that the mirror base 1 slips and separates from the user in the using process by the friction force between the user and the mirror base 1, and further improves the using safety.

Referring to fig. 2 and 3, a groove 111 is formed in a side wall of the connecting portion 21 near one end of the seat body 11, a ball 212 is slidably connected in the groove 111, a spring 5 is fixedly connected in the groove 111, one end of the spring 5 is fixedly connected to a bottom end of the groove 111, and the other end of the spring is abutted to the ball 212. Joint groove 6 has been seted up to the inner wall of pedestal 11, and when connecting portion 21 joint was in pedestal 11, the inner wall compression ball 212 of pedestal 11 to make ball 212 slide in recess 111, and then compression spring 5 makes spring 5 take place elastic deformation, when joint groove 6 and recess 111 coincide, spring 5 resumes natural state, thereby pushes the ball in joint groove 6, thereby further improves the stability of connecting.

Referring to fig. 3 and 4, a connecting groove is formed in a side wall of the seat body 11, a connecting rod 12 is horizontally and rotatably connected to the connecting groove, a large gear 13 and a small gear 14 are coaxially and fixedly arranged on the connecting rod 12, and the diameter of the large gear 13 is larger than that of the small gear 14. One end of the connecting part 21 close to the extending part 22 is horizontally provided with a fixing groove, the large gear 13 is meshed with a fixing rack 15, and the small gear 14 is meshed with a rotating rack 16. A slide rod 17 is fixedly arranged at one end of the rotating rack 16 far away from the connecting part 21, and one end of the slide rod 17 far away from the rotating rack 16 penetrates through the upper part. When a user installs the lens base 1 and the lens 2, the user pulls the sliding rod 17, the sliding rod 17 drives the rotating rack 16 to move, so that the rotating rack 16 drives the pinion 14 to rotate, the pinion 14 drives the connecting rod 12 to rotate so as to drive the gearwheel 13 to synchronously rotate, the gearwheel 13 drives the fixed rack 15 to move towards the direction close to the sliding rod 17, the fixed slot is aligned with the fixed rack 15, then the sliding rod 17 is pushed, and the fixed rack 15 is inserted into the fixed slot to fix the connecting part 21 with the base body 11.

Referring to fig. 3 and 4, a circular plate 171 is fixedly arranged at one end of the sliding rod 17 far away from the rotating rack 16, a tension spring 3 is sleeved on the sliding rod 17, the tension spring 3 is positioned between the circular plate 171 and the side wall at the upper part, one end of the tension spring 3 is fixedly connected with the circular plate 171, and the other end of the tension spring is fixedly connected with the inner wall of the connecting groove. In the use process, the circular plate 171 is pulled to further move the sliding rod 17, the tension spring 3 is stressed to be compressed and deformed to generate restoring force, after the fixing groove is aligned with the rack, the circular plate 171 is loosened, the tension spring 3 is restored to a natural state, the tension spring 3 pulls the circular plate 171 to further push the sliding rod 17 to be restored to an initial position, the sliding rod 17 drives the rotating rack 16 to move, the rotating rack 16 drives the pinion 14 to rotate, the pinion 14 drives the connecting rod 12 to rotate to further drive the large gear 13 to synchronously rotate, the large gear 13 drives the fixing rack 15 to move towards the direction far away from the sliding rod 17, and further the fixing rack 15 is inserted into the fixing groove, so that the connection stability is improved.

Referring to fig. 3 and 4, the connecting rod 12 is sleeved with a torsion spring 4, the torsion spring 4 is located on one side of the pinion 14 away from the bull gear 13, one end of the torsion spring 4 is fixedly connected with the side wall of the pinion 14, and the other end of the torsion spring is fixedly connected with the inner wall of the connecting groove. When the circular plate 171 is pressed, the pinion 14 rotates to compress the torsion spring 4, the torsion spring 4 is in a compressed state and generates a restoring force, and when the circular plate 171 is released, the torsion spring 4 and the tension spring 3 are restored to a natural state, and the torsion spring 4 and the tension spring 3 cooperate to insert the fixed rack 15 into the fixed groove, so that the stability of connection can be further improved.

The implementation principle of the high-stability laryngoscope of the embodiment of the application is as follows: the circular plate 171 is pulled, then the lens 2 is clamped on the base body 11, then the circular plate 171 is loosened, the circular plate 171 is pulled by the tension spring 3 to compress the sliding rod 17, then the lens 2 is inserted into the connecting groove 11, the fixed rack 15 is inserted into the fixing groove under the combined action of the tension spring 3 and the torsion spring 4, then the lens 2 and the lens base 1 are fixed, and the connecting stability is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a high stability's laryngoscope, is including microscope base (1) and lens (2) that can dismantle the connection, the top of microscope base (1) is equipped with pedestal (11) that are used for laying lens (2), its characterized in that: the connecting groove has been seted up to the lateral wall of pedestal (11), the horizontal rotation is connected with connecting rod (12) in the connecting groove, coaxial gear wheel (13) and pinion (14) have set firmly on connecting rod (12), gear wheel (13) diameter is greater than pinion (14) diameter, the fixed slot has been seted up to the one end level that lens (2) are close to the connecting groove, gear wheel (13) meshing has fixed rack (15) of inserting and locating in the fixed slot, pinion (14) meshing has rotation rack (16), the one end that lens (2) were kept away from in rotation rack (16) sets firmly slide bar (17) that the tip wore to establish out pedestal (11).

2. A high stability laryngoscope according to claim 1, wherein: slide bar (17) keep away from the one end of rotating rack (16) and have set firmly plectane (171), the cover is equipped with extension spring (3) that are located between the lateral wall of plectane (171) and pedestal (11) on slide bar (17), when extension spring (3) are in natural state, fixed rack (15) are located the fixed slot.

3. A high stability laryngoscope according to claim 1, wherein: the cover is equipped with on connecting rod (12) and is located pinion (14) and keeps away from torsional spring (4) of gear wheel (13) one side, the one end of torsional spring (4) and the lateral wall fixed connection of pinion (14), the other end of torsional spring (4) and the lateral wall fixed connection of spread groove, when torsional spring (4) is in natural state, fixed rack (15) are located the fixed slot.

4. A high stability laryngoscope according to claim 1, wherein: one end of the lens (2) close to the base body (11) is provided with a groove, an elastic ball (212) is arranged in the groove, and the inner wall of the base body (11) close to the lens (2) is provided with a clamping groove matched with the ball (212).

5. A high stability laryngoscope according to claim 1, wherein: one pot head that spread groove was kept away from in lens (2) is equipped with silica gel cushion (221).

6. A high stability laryngoscope according to claim 1, wherein: the surface circumference of the microscope base (1) is fixedly provided with a plurality of anti-slip strips (19) which are uniformly distributed along the length direction of the microscope base (1).