CN112472012A

CN112472012A - Expanding device for dental examination

Info

Publication number: CN112472012A
Application number: CN202011321166.5A
Authority: CN
Inventors: 梅福缘
Original assignee: Sino Russian International Medical Research Co ltd
Current assignee: Sino Russian International Medical Research Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-03-12

Abstract

The invention discloses a dental expansion device for examination, which comprises a shell, wherein a rotating rod is arranged on one side of the shell, a rotating handle is welded at one end of the rotating rod, an inserting rod is inserted and installed in the rotating rod, a pressing handle is welded at one end of the inserting rod, a locking block is installed on the pressing handle, a top rod is installed at the top end of the shell, a top block is installed at the top end of the top rod, a bottom rod is installed at the bottom end of the shell, a resisting block is installed at the bottom end of the bottom rod, cross rods are installed on two sides of the shell, a supporting block is installed at the top end of each cross rod. The invention can not only properly open the upper and lower jaws and be suitable for different mouth shapes, reduce the operation difficulty of medical staff, fix the expansion state and reduce the hand fatigue of the medical staff for long-time use, but also has the advantages of clear and more convenient observation of the condition of two cheeks, clearer observation, simple appearance, convenient operation and strong practicability when the medical staff observes.

Description

Expanding device for dental examination

Technical Field

The invention relates to the technical field of tooth support, in particular to a dental expansion device for examination.

Background

At present, when the oral cavity examination or operation is carried out on a patient, the patient needs to be opened for a long time to the maximum extent, the requirement on the patient is high, the patient is tired in oral cavity muscles due to the long-time opening, and the oral cavity of the patient needs to be opened by means of other medical instruments. At present, medical staff mostly pull open the mouth of a patient by using a surgical retractor, so that the operation is very troublesome, time-consuming and labor-consuming, the working difficulty is increased for the medical staff, and the inconvenience is brought to the medical operation.

And among the present oral medical treatment, when carrying out dentistry oral surgery to the patient, oral cavity expander commonly used struts the palate through expansion arm, the whole process of not only operation all needs to rely on medical staff's hand to realize opening, closed, can not carry out the fixed of expansion state, cause the fatigue of medical staff's hand easily, inconvenient long-time use, and when medical staff observes, the condition of two cheek is observed and is unclear and inconvenient, simultaneously because putting into of expander, it is very inconvenient to take a light to observe, often observe not clear enough. In order to improve this, it is necessary to design a supporting device for dental examination.

Disclosure of Invention

The invention aims to provide a dental examination expansion device which can be automatically adjusted, is suitable for different oral cavity types, reduces operation steps, is safe and stable, can provide a light source, is convenient to observe and solves the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a dentistry inspection is with expanding strutting arrangement, includes the shell, the bull stick is installed to shell one side, the welding of bull stick one end has the turning handle, the inserted bar is installed to the inside grafting of bull stick, the welding of inserted bar one end has the pressure handle, install the latch segment on the pressure handle, the ejector pin is installed on the shell top, the kicking block is installed on the ejector pin top, the sill bar is installed to the shell bottom, the piece is installed to the sill bar bottom, the horizontal pole is installed to the shell both sides, the kicking block is installed on the horizontal pole top, the light is installed in the shell outside is inlayed.

Preferably, the welding has two sets of teeth of a cogwheel on the bull stick, the tooth meshing is connected with first gear, first gear meshing is connected with saw type bottom plate, the welding of saw type bottom plate is in on the sill bar, the welding of first gear one side has the second gear, the second gear meshing is connected with the third gear, the third gear meshing is connected with saw type roof, the welding of saw type roof is in on the ejector pin.

Preferably, the top rods and the bottom rods are four groups, and the distance between the two parallel top rods is smaller than the distance between the two parallel bottom rods.

Preferably, a plug hole is formed in the rotating rod, through holes are formed in two sides of the rotating rod at the top end of the plug hole, a branch column is fixedly arranged in the plug hole, a first rotating bearing is installed at the top end of the rotating rod, a second rotating bearing is fixedly installed on one side of the first gear through the rod, and the other sides of the first rotating bearing and the second rotating bearing are fixedly installed on the inner wall of the shell.

Preferably, the inserted bar top has seted up the cylindricality recess, the latch segment is installed in the recess, latch segment one end fixed mounting has the locking lever, the locking lever other end is provided with the triangular prism tapered end, the latch segment is installed on triangular prism tapered end top, the latch segment is close to the side and installs opposite sex magnet and has seted up the triangular groove, the rotating lever is close to the inside locked groove of evenly having seted up in rotating handle one side.

Preferably, the inserted bar top spiral installs the elasticity strip, circular top is installed on elasticity strip top, the sleeve is installed in the horizontal pole outside.

Preferably, one side of the third gear and the bottom of the sleeve sleeved outside the cross rod are provided with supporting rods, and the other ends of the supporting rods are fixedly arranged on the inner wall of the shell.

Preferably, the supporting block, the top block and the outer side of the abutting block are sleeved with silica gel sleeves.

Preferably, the upper surface, the lower surface, the left surface, the right surface and the front surface of the shell are provided with illuminating lamps.

Compared with the prior art, the invention has the beneficial effects that:

(1) two groups of gear teeth are welded on the rotating rod, a first gear is connected with the gear teeth in a meshing manner, a saw-type bottom plate is connected with the first gear in a meshing manner, the saw-type bottom plate is welded on the bottom rod, a second gear is welded on one side of the first gear, a third gear is connected with the second gear in a meshing manner, a saw-type top plate is connected with the third gear in a meshing manner, the saw-type top plate is welded on the ejector rod, the rotating handle is twisted, the rotating rod rotates, the gear teeth welded on the rotating rod rotate, the gear teeth rotate the first gear connected in a meshing manner, the first gear drives the saw-type bottom plate connected in a meshing manner to move, the saw-type bottom plate moves to extend or shorten the welded bottom rod, the second gear is welded on one side of the first gear, the second gear rotates simultaneously with the first gear, the second gear rotates to rotate the third gear connected in a meshing manner, the third gear, the saw-shaped top plate is welded on the ejector rod again, the ejector rod also carries out altitude variation along with the saw-shaped top plate, make saw-shaped top plate and saw-shaped bottom plate carry out reverse motion when rotating the bull stick for the ejector rod shifts up, and the bottom bar moves down, and ejector rod top fixed mounting's kicking block supports the oral cavity palate, and the piece of supporting of bottom bar bottom fixed mounting pushes down the cavity chin, makes the oral cavity strut, and easy operation is convenient, and the size that can control at any time struts is laborsaving in the province.

(2) Ejector pins and sill bar are four groups, two are parallel distance between the ejector pin is less than the distance between the parallel sill bar of two, four groups of ejector pins expand with the sill bar to the cavity and prop for the ejector pin fixed mounting's that palace and chin contacted kicking block and sill bar bottom fixed mounting support the regional grow of atress, reduce relative area's effort, prevent to expand for a long time and prop and lead to contact position red swelling or injury to appear, make the user more comfortable can prevent to appear the slope when expanding in the oral cavity simultaneously, the setting of both sides horizontal pole expands to prop the increase and expand the scope to two cheek simultaneously, make when examining clearer.

(3) Elastic strip is installed to inserted bar top spiral, and circular top is installed on elastic strip top, and the sleeve is installed in the horizontal pole outside, and when the inserted bar impeld in the consent of seting up in the bull stick, elastic strip is separated to both sides by the branch post that sets up in the consent, promotes the horizontal pole in the circular top of elastic strip top installation advances the sleeve for the horizontal pole extension expands to two cheek in the oral cavity and props, increases inspection range, makes things convenient for medical staff's analytic processing.

(4) Cylindricality recess has been seted up on the inserted bar top, the latch segment is installed in the recess, latch segment one end fixed mounting has the locking lever, the locking lever other end is provided with the triangular prism tapered end, the locking piece is installed on triangular prism tapered end top, the locking piece is close to the side and installs opposite sex magnet and has seted up the triangular groove, the rotating-lever is close to the inside locked groove of evenly having seted up in rotating handle one side, make the locking lever downstream when the latch segment is pressed, the triangular prism tapered end passes from the triangular groove of locking piece setting, make the locking piece to both sides separation, the locking piece gets into the inside locked groove of evenly seting up of rotating-lever and fixes the inserted bar, prevent the inserted bar resilience, lead to.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a plan view of the present invention;

FIG. 3 is a top view of the present invention;

FIG. 4 is a perspective structural view of the internal structure of the present invention;

FIG. 5 is a structural view of the internal structural plane of the present invention;

FIG. 6 is a side elevational view of the internal structure of the present invention;

FIG. 7 is a perspective structural view of a turn bar of the present invention;

FIG. 8 is a perspective structural view of the stem lifter of the present invention;

FIG. 9 is a plan structural view of the locking mechanism of the present invention;

fig. 10 is a side view of the locking mechanism of the present invention.

In the figure: 1. a housing; 2. a rotating rod; 3. inserting a rod; 4. a cross bar; 5. a support block; 6. a top rod; 7. a top block; 8. a bottom bar; 9. a resisting block; 10. an illuminating lamp; 11. a locking block; 12. a handle is rotated; 13. pressing the handle; 14. a strut; 15. a saw-type base plate; 16. a first gear; 17. a saw-type top plate; 18. a first rotating bearing; 19. a second rotary bearing; 20. a second gear; 21. a third gear; 22. separating columns; 23. an elastic strip; 24. a circular plug; 25. a lock lever; 26. and (6) locking the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 10, the present invention provides a technical solution of a dental extension device for examination:

the utility model provides a dentistry inspection is with expanding device, as shown in fig. 1, including shell 1, bull stick 2 is installed to 1 one side of shell, the welding of 2 one end of bull stick has turning handle 12, the inserted bar 3 is installed in 2 inside peggings of bull stick, the welding of 3 one end of inserted bar has pressure handle 13, press and install latch segment 11 on the handle 13, ejector pin 6 is installed on 1 top of shell, ejector pin 7 is installed on 6 tops of ejector pin, sill bar 8 is installed to 1 bottom of shell, butt block 9 is installed to 8 bottoms of sill bar, horizontal pole 4 is installed to 1 both sides of shell, bracer 5 is installed on 4 tops of horizontal pole, install light 10 in the 1 outside of shell is inlayed.

Specifically, as shown in fig. 4, two sets of gear teeth are welded on the rotating rod 2, the gear teeth are engaged and connected with a first gear 16, the first gear 16 is engaged and connected with a saw-shaped bottom plate 15, the saw-shaped bottom plate 15 is welded on the bottom rod 8, a second gear 20 is welded on one side of the first gear 16, a third gear 21 is engaged and connected with the second gear 20, the third gear 21 is engaged and connected with a saw-shaped top plate 17, the saw-shaped top plate 17 is welded on the top rod 6, the rotating handle 12 is twisted, the rotating rod 2 rotates, the welded gear teeth on the rotating rod 2 rotate, the gear teeth rotate the first gear 16 which is engaged and connected, the first gear 16 drives the saw-shaped bottom plate 15 which is engaged and connected to move, the saw-shaped bottom plate 15 moves to extend or shorten the welded bottom rod 8, the second gear 20 is welded on one side of the first gear 16, and the second gear 20 rotates along with the first gear 16, second gear 20 rotates the third gear 21 that makes the meshing connect and rotates, third gear 21 rotates the sawtooth type roof 17 that makes the meshing connect and carries out the altitude variation, sawtooth type roof 17 welds on ejector pin 6 again, ejector pin 6 also carries out the altitude variation along with sawtooth type roof 17, make sawtooth type roof 17 and sawtooth type bottom plate 15 carry out reverse motion when rotating bull stick 2, make ejector pin 6 move up, bottom bar 8 moves down, ejector pin 6 top fixed mounting's kicking block 7 supports the jaw in the oral cavity, 8 bottom fixed mounting's of bottom bar support block 9 pushes down the jaw in the oral cavity, make the oral cavity strut, and the operation is simple and convenient, save trouble laborsaving and can control the size of strutting at any time.

Specifically, as shown in fig. 1, the ejector rods 6 and the bottom rods 8 are four groups, the distance between the ejector rods 6 is smaller than the distance between the bottom rods 8, the cavities are expanded by the four groups of ejector rods 6 and the bottom rods 8, so that the stress areas of the ejector block 7 fixedly mounted on the ejector rod 6 and the supporting block 9 fixedly mounted at the bottom end of the bottom rod 8, which are in contact with the upper jaw and the lower jaw, are increased, the acting force of the relative areas is reduced, the contact positions are prevented from being inflamed or injured due to long-time expansion, and a user feels more comfortable and can be prevented from inclining when expanding in the oral cavity.

Specifically, as shown in fig. 3, a plug hole is formed in the rotating rod 2, through holes are formed in two sides of the rotating rod 2 at the top end of the plug hole, a branch post 22 is fixedly arranged in the plug hole, a first rotating bearing 18 is installed at the top end of the rotating rod 2, a second rotating bearing 19 is installed on one side of the first gear 16 through a rod fixedly, the first rotating bearing 18 and the second rotating bearing 19 are fixedly installed on the other side of the shell 1, the plug hole facilitates installation of the inserting rod 3, the branch post 22 has an expanding elastic strip 23 to enable the cross rod 4 to stretch out and draw back, the first rotating bearing 18 has an effect of not influencing the rotating rod 2 to freely rotate and fix a specific position, and the second rotating bearing 19 has an effect of not influencing the first gear 16 to freely rotate and fix a specific position.

Specifically, as shown in fig. 3, the cylindricality recess has been seted up on 3 tops of inserted bar, latch segment 11 is installed in the recess, 11 one end fixed mounting of latch segment has locking lever 25, the locking lever 25 other end is provided with the triangular prism tapered end, locking block 26 is installed on triangular prism tapered end top, locking block 26 is close to the side and installs opposite sex magnet and has seted up the triangular groove, the locking groove has evenly been seted up to rotor 2 near 12 one side inside, makes locking lever 25 downstream when latch segment 11 presses, and the triangular prism tapered end passes from the triangular groove that locking block 26 set up for locking block 26 separates to both sides, and locking block 26 gets into the locking groove of 2 inside even setings of rotor and fixes inserted bar 3, prevents 3 resilience of inserted bar, leads to horizontal pole 4 can not expand and prop.

Specifically, as shown in fig. 1, elastic strip 23 is installed to the spiral of inserted bar 3 top, circular top 24 is installed on elastic strip 23 top, the sleeve is installed in the horizontal pole 4 outside, and when inserted bar 3 promoted in the consent of seting up in bull stick 2, elastic strip 23 is parted to both sides by branch post 22 that sets up in the consent, promotes horizontal pole 4 in the circular top 24 top of elastic strip 23 top installation pushed into the sleeve for horizontal pole 4 extension expands two cheek in the oral cavity and props, increases inspection range, makes things convenient for medical staff's analytic processing.

Specifically, as shown in fig. 1, a supporting rod 14 is installed at one side of the third gear 21 and the bottom of the sleeve sleeved outside the cross rod 4, the other end of the supporting rod 14 is fixedly installed on the inner wall of the housing 1, and the supporting rod 14 has a fixing and supporting function.

Specifically, as shown in fig. 1, the supporting block 5 and the top block 7 and the supporting block 9 are all sleeved with a silica gel sleeve, and the installation of the silica gel sleeve reduces discomfort of a contact position when expanding and supporting the oral cavity, increases softness, and prevents secondary damage to the oral cavity.

Specifically, as shown in fig. 1, all install light 10 on shell 1 about and the left and right sides and the front, light 10 set up the convenient observation to expanding the back oral cavity that props, reduce other light sources searchlighting and occupy bigger area, be unfavorable for carrying out careful inspection to the oral cavity.

The working principle is as follows: when in inspection, the shell 1 is put into the oral cavity, the top block 7 on the top rod 6 supports the upper jaw, the support block 9 on the bottom rod 8 supports the lower jaw of the oral cavity, the rotating handle 12 is twisted, the rotating rod 2 rotates, the gear teeth welded on the rotating rod 2 rotate, the gear teeth rotate the first gear 16 in meshing connection, the first gear 16 drives the saw-shaped bottom plate 15 in meshing connection to move, the saw-shaped bottom plate 15 moves to extend or shorten the welded bottom rod 8, the second gear 20 is welded on one side of the first gear 16, the second gear 20 rotates along with the first gear 16, the second gear 20 rotates to rotate the third gear 21 in meshing connection, the third gear 21 rotates to change the height of the saw-shaped top plate 17 in meshing connection, the saw-shaped top plate 17 is welded on the top rod 6, the top rod 6 also changes the height along with the saw-shaped top plate 17, and the saw-shaped top plate 17 and the saw-shaped bottom plate 15 reversely move when the rotating rod 2 is rotated, the push rod 6 moves upwards, the bottom rod 8 moves downwards, the top block 7 fixedly mounted at the top end of the push rod 6 supports the upper jaw of the oral cavity, the abutting block 9 fixedly mounted at the bottom end of the bottom rod 8 presses the lower jaw of the oral cavity downwards, then the pressing handle 13 is pressed to push the inserted rod 3, the inserted rod 3 is pushed in a plug hole formed in the rotating rod 2, the elastic strip 23 is separated towards two sides by a branch column 22 arranged in the plug hole, a round top head 24 mounted at the top end of the elastic strip 23 is pushed in a sleeve to push the cross rod 4, so that the cross rod 4 is extended to expand two cheeks of the oral cavity, the oral cavity is expanded, the inspection range is increased, the operation is simple and convenient, trouble and labor are saved, the expanded size can be controlled at any time, the analysis and the treatment of medical staff are convenient, finally, the locking rod 25 moves downwards by pressing the locking block 11, the triangular prism lock head penetrates through a triangular groove formed in the locking block 26, so that the locking block 26 is separated towards two sides, and the locking block, locking piece 26 gets into 2 inside evenly seting up locked groove internal fixation to inserted bar 3 of bull stick, prevent that inserted bar 3 from kick-backing, lead to horizontal pole 4 can not expand to prop, when latch segment 11 fixes inserted bar 3 position, because in the sleeve that elastic strip 23 got into the 4 outside of horizontal pole and cup jointed, inject bull stick 2, prevent 2 rotations of bull stick, make expand to prop to the oral cavity and fix, rotatory locking piece 11 makes locking piece 26 inter attraction get into in inserted bar 3 once more after the inspection finishes, inserted bar 3 kick-backs, elastic strip 23 is taken out from in the sleeve, the pressure of palace and chin makes bull stick 2 gyration, ejector pin 6 and bottom bar 8 withdrawal, it can to take out shell 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a dentistry inspection is with expanding strutting arrangement, includes shell (1), its characterized in that, bull stick (2) are installed to shell (1) one side, bull stick (12) are welded to bull stick (2) one end, inserted bar (3) are installed to inside grafting of bull stick (2), inserted bar (3) one end welding has pressure handle (13), install latch segment (11) on pressing handle (13), ejector pin (6) are installed on shell (1) top, ejector pin (7) are installed on ejector pin (6) top, sill bar (8) are installed to shell (1) bottom, butt block (9) are installed to sill bar (8) bottom, horizontal pole (4) are installed to shell (1) both sides, brace (5) are installed on horizontal pole (4) top, inlay in the shell (1) outside and install light (10).

2. The dental examination extension instrument according to claim 1, wherein: the welding has two sets of teeth of a cogwheel on bull stick (2), the tooth meshing is connected with first gear (16), first gear (16) meshing is connected with saw type bottom plate (15), saw type bottom plate (15) welding is in on sill bar (8), first gear (16) one side welding has second gear (20), second gear (20) meshing is connected with third gear (21), third gear (21) meshing is connected with saw type roof (17), saw type roof (17) welding is in on ejector pin (6).

3. The dental examination extension instrument according to claim 1, wherein: the top rods (6) and the bottom rods (8) are four groups, and the distance between the two parallel top rods (6) is smaller than the distance between the two parallel bottom rods (8).

4. The expanding device for dental examination according to claim 2, wherein: the rotary rod is characterized in that a plug hole is formed in the rotary rod (2), through holes are formed in two sides of the rotary rod (2) at the top end of the plug hole, a branch column (22) is fixedly arranged in the plug hole, a first rotating bearing (18) is installed at the top end of the rotary rod (2), a second rotating bearing (19) is fixedly installed on one side of the first gear (16) through a rod, and the other sides of the first rotating bearing (18) and the second rotating bearing (19) are fixedly installed on the inner wall of the shell (1).

5. The dental examination extension instrument according to claim 1, wherein: the lock comprises an inserted bar (3), a locking block (11), a locking rod (25), a triangular prism lock head, a locking block (26), a foreign magnet and a triangular groove, wherein the top end of the inserted bar (3) is provided with a cylindrical groove, the locking block (11) is installed in the groove, one end of the locking block (11) is fixedly provided with the locking rod (25), the other end of the locking rod (25) is provided with the triangular prism lock head, the top end of the triangular prism lock head is provided with the locking block (26), the locking block (26) is close to the side to be provided with the.

6. The dental examination extension instrument according to claim 1, wherein: elastic strip (23) are installed to inserted bar (3) top spiral, circular top (24) are installed on elastic strip (23) top, the sleeve is installed in horizontal pole (4) outside.

7. The expanding device for dental examination according to claim 2, wherein: third gear (21) one side with sleeve bottom that horizontal pole (4) outside cup jointed the installation all installs branch (14), branch (14) other end fixed mounting be in on shell (1) inner wall.

8. The dental examination extension instrument according to claim 1, wherein: and silica gel sleeves are sleeved on the outer sides of the supporting block (5), the top block (7) and the abutting block (9).

9. The dental examination extension instrument according to claim 1, wherein: the upper surface, the lower surface, the two side surfaces and the front surface of the shell (1) are provided with illuminating lamps (10).