CN108464886B

CN108464886B - Pressing expansion type ear picking device

Info

Publication number: CN108464886B
Application number: CN201810199815.5A
Authority: CN
Inventors: 魏朝霞; 付晓悦; 贾秀玲; 卢乐
Original assignee: Affiliated Hospital of University of Qingdao
Current assignee: Affiliated Hospital of University of Qingdao
Priority date: 2018-03-12
Filing date: 2018-03-12
Publication date: 2020-02-11
Anticipated expiration: 2038-03-12
Also published as: CN108464886A

Abstract

The invention discloses a pressing expansion type ear picking device, which comprises a shell, wherein a hollow cylindrical push rod, a sliding claw sleeve and a spring are sequentially arranged in the shell from top to bottom, the upper end of the push rod extends out of an upper port of the shell, a key rib is vertically arranged on the inner wall of the upper end of the shell in a protruding manner, the key rib is composed of a left rib tenon, a right rib tenon and a middle rib tenon which is sunken in the middle rib tenon, the bottom of each rib tenon is provided with a rib slant, a key groove is arranged between every two adjacent rib tenons, the lower end part of the push rod is provided with an upper tooth, the outer wall of the lower end of the push rod is provided with key bulges at equal intervals in a protruding manner, the key bulges are correspondingly embedded in the key groove and the middle rib tenon, a key rod on the sliding claw sleeve is inserted into the push rod, the outer wall of the sliding claw sleeve is provided with a convex key corresponding to the key groove, the upper end of the convex key is, the ear picking mechanism is arranged at the lower end of the shell, and the ear picking mechanism is simple in structure, high in safety and good in cleaning effect.

Description

Pressing expansion type ear picking device

Technical Field

The invention relates to the technical field of medical instruments, in particular to a pressing expansion type ear picking device.

Background

The skin of the cartilage part of the external auditory canal of a human body is provided with wax glands, secretion of the wax glands is mixed with grease discharged by the grease glands to form a thin layer attached to the surface of the skin, namely, wax is usually chewed, opened and the like, the wax can be discharged by self along with the movement of the lower jaw joint, the wax has the functions of protecting the skin of the external auditory canal and adhering foreign objects, but the wax can be mixed with dust and scurf to form cerumen after a long time, bacteria can be easily bred, even inflammation of the skin of the external auditory canal can be stimulated, and therefore, the ear is required to be cleaned regularly.

Therefore, people often use ear scoopers (ear scoopers) to clean external auditory canals, most of common ear scoopers are formed by bending a single handle at one end to form a hook similar to a spoon shape, namely, ear scoops made of metal, wood, bamboo or plastic, the ear scoopers are hard and easily hurt the external auditory canals, frequent use is not recommended, electric ear scoopers are arranged on the market, batteries are often installed in the ear scoopers, and therefore the ear scoopers are high in danger and not safe enough.

The existing ear picking device is large in head, the head of the ear picking device needs to be fed into an external auditory canal from outside to inside, earwax at the side opening of the external auditory canal can be pushed to the deep position of an ear in the feeding process by the large head, and fungi, bacteria and viruses are accumulated at the external auditory canal while the earwax is trapped in the deep position, so that people can feel pain and infect the ear.

Disclosure of Invention

The invention aims to solve the technical problem of providing a pressing expansion type ear picking device aiming at the current situation of the prior art, and the ear picking device is simple in structure, high in safety and good in cleaning effect.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a push-expanding ear cleaner is composed of a casing, a hollow cylindrical push rod with an upper end extending out of the upper end of said casing, a slide claw sleeve with a central tenon consisting of left and right tenons and a central tenon with a recess between them, a spring, and an ear cleaning mechanism arranged at lower end of said casing, the ear digging mechanism comprises a protective pipe and a main shaft, the lower end of the protective pipe is arranged to be an expansion area, a strip-shaped slot is vertically arranged in the expansion area, a conical protrusion is arranged at the lower end of the main shaft, the protective pipe and a spring penetrate through the main shaft and are fixedly connected with a mounting hole in the sliding claw sleeve, and the conical protrusion abuts against the conical hole in the expansion area.

In order to optimize the technical scheme, the adopted measures further comprise:

the number of the strip-shaped slots is four, the four strip-shaped slots are distributed in an axisymmetric manner by taking the axis of the protective tube as a symmetry axis, and the included angle between the adjacent strip-shaped slots is 90 degrees.

The lower end part of the protective pipe is provided with a circle of soft convex ribs.

The protective tube is made of soft rubber.

The lower end of the pipe head is provided with a connector, and the upper end of the protective pipe is sleeved on the connector.

The pipe head is in threaded connection or clamping connection with the shell.

The number of the key ribs is four, correspondingly, the number of the key grooves is four, and the number of the convex keys is four.

The invention relates to a pressing expansion type ear picking device, which comprises a shell, wherein a hollow cylindrical push rod, a sliding claw sleeve and a spring are sequentially arranged in the shell from top to bottom, the upper end of the push rod extends out of an upper port of the shell, the inner wall of the upper end of the shell is vertically provided with a key rib in a protruding way, the key rib is composed of a left rib tenon, a right rib tenon and a middle rib tenon which is sunken in the middle rib tenon, the bottom of each rib tenon is provided with a rib incline, a key groove is arranged between every two adjacent rib tenons, the lower end part of the push rod is provided with an upper tooth, the outer wall of the lower end of the push rod is provided with key bulges at equal intervals in a protruding way, the key bulges are correspondingly embedded in the key groove and the middle rib tenon, a key rod on the sliding claw sleeve is inserted into the push rod, the outer wall of the sliding claw sleeve is provided with a convex key at the position corresponding to the key groove, the upper end, the casing lower extreme is provided with draws ear mechanism, draws ear mechanism and includes pillar and main shaft, and the pillar lower extreme is established to the inflation district, and the inflation district is equipped with the bar fluting along vertical, and the tip is equipped with the toper arch under the main shaft, and pillar, spring are worn to put by the main shaft, with the mounting hole fixed connection that the smooth claw sheathes in, and the toper arch is supported in the toper hole in inflation district, simple structure, security height and clean effectual.

Drawings

FIG. 1 is an exploded view of the present invention;

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

FIG. 3 is a sectional view of the present invention in an operating state;

fig. 4 is a schematic view of the principle of telescopic expansion.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

Fig. 1 to 4 are schematic structural views of the present invention.

Wherein the reference numerals are: the key comprises a shell 1, a key rib 11, a left rib 12, a right rib 13, a middle rib 14, a rib slope 15, a key groove 16, a push rod 2, an upper tooth 21, a key lug 22, a sliding claw sleeve 3, a key rod 31, a convex key 32, a mounting hole 33, a spring 4, a pipe head 5, a connecting head 51, an ear picking mechanism 6, a protective pipe 61, a main shaft 62, an expansion area 63, a strip-shaped groove 64, a conical protrusion 65, a conical hole 66 and a convex rib 67.

Fig. 1 to 4 are schematic structural views of the present invention.

A pressing expansion type ear picking device comprises a shell 1, a hollow cylindrical push rod 2, a sliding claw sleeve 3 and a spring 4 are sequentially arranged in the shell 1 from top to bottom, the upper end of the push rod 2 extends out of the upper port of the shell 1 to facilitate pressing, a key rib 11 is vertically arranged on the inner wall of the upper end of the shell 1 in a protruding mode, the key rib 11 is composed of a left rib tenon 12, a right rib tenon 13 and a middle rib tenon 14 which is slightly recessed between the two rib tenons, rib slopes 15 are arranged at the bottom of each rib tenon, a key groove 16 is arranged between every two adjacent key ribs 11, an upper tooth 21 is arranged at the lower end of the push rod 2, key protrusions 22 are arranged on the outer wall of the lower end of the push rod 2 in a protruding mode at equal intervals, the key protrusions 22 are correspondingly embedded in the key grooves 16 and the middle rib tenon 14, the key protrusions 22 on the push rod 2 can slide in the key grooves 16 and the middle rib tenons 14, so that the push rod 2 can only vertically move up and down, a key rod 31, the outer wall of the sliding claw sleeve 3 is provided with a convex key 32 corresponding to the key groove 16, the upper end of the convex key 32 is provided with an inclined plane matched with the rib inclined 15, the inclined plane is also matched with the upper tooth teeth 21 for use, the center of the lower end face of the sliding claw sleeve 3 is provided with a mounting hole 33, the lower end of the shell 1 is connected with a tube head 5, one end of a spring 4 is matched and connected with the tube head 5, the other end of the spring 4 is matched and connected with the lower end face of the sliding claw sleeve 3, the lower end of the shell 1 is provided with an ear picking mechanism 6, the ear picking mechanism 6 comprises a protective tube 61 and a main shaft 62, the lower end of the protective tube 61 is provided with an expansion area 63, the expansion area 63 is vertically provided with a strip-shaped slot 64, the lower end of the main shaft 62 is provided with a conical bulge 65, the main shaft 62 penetrates through the protective: the slope counter-self-locking principle, the fixed axis rotation of the engaging teeth, the sliding block sliding along the rail, and the conversion of the spring energy, as shown in fig. 4, a in fig. 4 is the initial state of the engagement between the convex key 32 and the key rib 11, at this time, the conical protrusion 65 of the main shaft 62 is at the lowest end of the conical hole 66, the expansion area 63 is not expanded, at this time, the ear picking mechanism 6 is extended into the external auditory canal, and after extending into a certain depth, the push rod 2 is pressed downward, the upper engaging tooth 21 of the push rod 2 presses the convex key 32 of the sliding claw sleeve to move axially until reaching the critical point B, as shown in fig. 4, at this time, the highest point of the convex key 32 is in contact with the lowest point of the right rib 13, and under the restoring force of the spring, the slope of the convex key 32 slides relatively along the rib slope 15 of the right rib 13 over the upper engaging tooth 21 until the convex key 32 slides into the key groove 16, and under the restoring force of the spring, the push rod 2 and the sliding claw, the conical protrusion 65 expands the expansion region 63 and opens to fit the external auditory canal, when the upper end of the key protrusion 22 abuts against the upper end of the key groove 16, the movement is stopped, as shown in fig. 4 c, pulling the ear picking mechanism 6 outwards brings out earwax attached to the external auditory canal, after the ear picking mechanism 6 is taken out from the external auditory canal, the push rod 2 is pressed downwards again, the upper tooth ring 21 of the push rod 2 presses the convex key 32 of the sliding claw sleeve to move axially until reaching a critical point a, as shown in fig. 4 d, at which time the highest point of the convex key 32 contacts with the lowest point of the left rib 12, under the restoring force of the spring, the inclined surface of the convex key 32 slides along the rib slope 15 of the left rib 12 over the upper tooth ring 21, and then falls into the groove of the middle rib 14 and the right rib 13 and stops sliding, the conical protrusion 65 of the main shaft 62 retreats to the lowest end of the conical hole 66, and the expansion region 63 is closed from the expanded state due to its own elasticity, the earwax cleaning device is convenient to use next time, simple in structure, high in safety, good in cleaning effect, and capable of not pushing earwax at the side opening of the external auditory canal to the deep.

In the embodiment, the number of the strip-shaped slots 64 is four, and the four strip-shaped slots 64 are distributed in an axisymmetric manner with the axis of the protective tube 61 as a symmetry axis, and the included angle between the adjacent strip-shaped slots 64 is 90 °, which facilitates the expansion of the expansion region 63.

In the embodiment, the lower end of the protective tube 61 is provided with a circle of soft ribs 67, which have a scraping effect on the external auditory canal and scrape earwax, and meanwhile, the soft ribs do not hurt the skin of the external auditory canal.

In the embodiment, the protection tube 61 is made of soft rubber, and has certain flexibility and elasticity without harming the skin of the external auditory canal.

In the embodiment, the lower end of the pipe head 5 is provided with the connector 51, and the upper end of the protective pipe 61 is sleeved on the connector 51, so that the disassembly is more convenient.

In the embodiment, the ferrule 5 is screwed or engaged with the housing 1.

In the embodiment, the number of the key ribs 11 is four, correspondingly, the number of the key grooves 16 is four, and the number of the convex keys 32 is four, so that the stress is more reasonable.

While the preferred embodiments of the present invention have been illustrated, various changes and modifications may be made by one skilled in the art without departing from the scope of the invention.

Claims

1. The utility model provides a press inflation formula and draw ear ware, includes casing (1), the lower extreme of casing (1) is provided with draws ear mechanism (6), it includes pillar (61) and main shaft (62) to draw ear mechanism (6), characterized by: the hollow cylindrical push rod (2), the sliding claw sleeve (3) and the spring (4) are sequentially arranged in the shell (1) from top to bottom, the upper end of the push rod (2) extends out of an upper port of the shell (1), a key rib (11) is vertically arranged on the inner wall of the upper end of the shell (1) in a protruding mode, the key rib (11) is composed of a left rib tenon (12), a right rib tenon (13) and a middle rib tenon (14) which is sunken between the left rib tenon and the right rib tenon, rib slopes (15) are arranged at the bottom of each rib tenon, a key groove (16) is arranged between every two adjacent key ribs (11), an upper engaging tooth (21) is arranged at the lower end of the push rod (2), key protrusions (22) are arranged on the outer wall of the lower end of the push rod (2) in a protruding mode at equal intervals, the key protrusions (22) are correspondingly embedded in the key grooves (16) and the middle rib tenons (14), a key rod (31) on the sliding claw sleeve (3) is inserted into the push rod (, convex key (32) upper end be equipped with the inclined plane of the oblique (15) adaptation of rib, terminal surface center is equipped with mounting hole (33) under smooth claw cover (3), casing (1) lower extreme is connected with tube head (5), spring (4) one end is connected with tube head (5) cooperation, and the other end is connected with smooth claw cover (3) lower terminal surface cooperation, pillar (61) lower extreme is established to expansion region (63), and expansion region (63) are followed vertically and are equipped with bar fluting (64), the tip is equipped with the toper arch (65) under main shaft (62), pillar (61), spring (4) are worn to put in main shaft (62), with mounting hole (33) fixed connection on smooth claw cover (3), toper arch (65) support go into in the bell mouth (66) of expansion region (63).

2. The push expansion type ear cleaner according to claim 1, wherein: the number of the strip-shaped slots (64) is four, the four strip-shaped slots (64) are distributed in an axisymmetric manner by taking the axis of the protective tube (61) as a symmetry axis, and the included angle between the adjacent strip-shaped slots (64) is 90 degrees.

3. The push expansion type ear cleaner according to claim 2, wherein: the lower end part of the protective tube (61) is provided with a circle of soft convex ribs (67).

4. The push expansion type ear cleaner according to claim 3, wherein: the protective tube (61) is made of soft rubber.

5. The push expansion type ear cleaner according to claim 4, wherein: the connector (51) is arranged at the lower end of the tube head (5), and the upper end of the protective tube (61) is sleeved on the connector (51).

6. The push expansion type ear cleaner according to claim 5, wherein: the pipe head (5) is in threaded connection or clamping connection with the shell (1).

7. The push expansion type ear cleaner according to claim 6, wherein: the number of the key ribs (11) is four, correspondingly, the number of the key grooves (16) is four, and the number of the convex keys (32) is four.