CN211750171U

CN211750171U - Dental injector for root canal filling

Info

Publication number: CN211750171U
Application number: CN202020225628.2U
Authority: CN
Inventors: 霍艳丽; 孙军科; 甄君艳; 王菲菲
Original assignee: Guochuang Hebei Medical Equipment Co ltd
Current assignee: Guochuang Hebei Medical Equipment Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-10-27
Anticipated expiration: 2030-02-28

Abstract

The utility model discloses a dental injector for root canal filling, which comprises a placing seat and a main body arranged at the top of the placing seat, wherein the bottom end of the main body is provided with an integrated handle, one side of the handle is rotationally connected with a pressure tongue, the pressure tongue is arranged at the bottom of the main body, the top end of the main body is provided with an end head, the end head is provided with an injection head, and the top end of the placing seat is provided with a protective cover corresponding to the injection head; through the safety cover that sets up, end inserted block, slot, the flexible fixture block of isosceles triangle, the card hole, first spring groove and the easy outer ring that draws, make operating personnel place the main part behind the top of placing the seat, can with the safety cover card on the top of placing the seat, and make the safety cover can cover the injection head completely in the inboard, thereby play effectual guard action to the injection head, prevent to inject the head and bump with external object's wiping, and the safety cover can also play good dustproof effect to the injection head.

Description

Dental injector for root canal filling

Technical Field

The utility model belongs to the technical field of oral medical instrument, concretely relates to a dental injector for root canal filling.

Background

For the affected teeth with serious dental lesion and pulpal inflammation, the root canal therapy is mostly adopted internationally for treatment at present, a root canal filling injector is needed in the process of the root canal therapy to inject filling materials into the root canal so as to preserve the affected teeth, and the root canal filling injector mainly comprises a main body, a handle, a tongue depressor, an end head, an injection head and a placing seat.

Present root canal filling syringe is after finishing using, and operating personnel can directly place root canal filling syringe at the top of placing the seat and place, but because the tip of placing the seat does not set up any device of protecting to the injection head for the injection head is very easily bumped and appears damaging because of wiping of external object, and external dust also can directly fall on the injection head surface simultaneously, causes the pollution on injection head surface, for this reason the utility model provides a dentistry injector for root canal filling.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dentistry injector for root canal is filled to solve the current root canal filling syringe that proposes in the above-mentioned background art and after finishing using, operating personnel can directly put the root canal filling syringe and place at the top of placing the seat, but because the tip of placing the seat does not set up any device of carrying out the protection to the injection head, make the injection head very easily bump and appear damaging because of wiping of external object, external dust also can directly fall on the injection head surface simultaneously, cause the pollution problem on injection head surface.

In order to achieve the above object, the utility model provides a following technical scheme: a dentistry injector for root canal filling, including placing the seat and setting up the main part of placing a top, the bottom of main part is equipped with the handle of integral type, and one side swivelling joint of handle has the spatula, the spatula is in the bottom of main part, the top of main part is provided with the end, and the end tip is provided with the injection head, the top of placing the seat is provided with the safety cover corresponding with the injection head, the safety cover with place and be equipped with easy dismouting coupling mechanism between the seat, easy dismouting coupling mechanism is including setting up the end inserted block in safety cover one side, a side surface of placing the seat is seted up and is had been seted up the slot corresponding with end inserted block, the inner wall symmetry of slot is provided with two flexible fixture blocks of isosceles triangle, and the inside of end inserted block is seted up and is seted up the card hole corresponding.

Preferably, the top surface of the placing seat is provided with a tongue groove corresponding to the tongue pressing, the bottom surface of the placing seat is provided with a handle groove corresponding to the handle, the top end of the placing seat is provided with a U-shaped bracket corresponding to the end head, a clamping mechanism is arranged between the bottom end of the handle and the handle groove, and a limiting mechanism is arranged between the end head and the U-shaped bracket.

Preferably, the clamping mechanism comprises a hemispherical telescopic fixture block arranged on the inner walls of the two sides of the groove, a side clamping groove corresponding to the hemispherical telescopic fixture block is formed in the bottom end surface of the handle, a second spring groove is connected to the bottom end of the hemispherical telescopic fixture block, and the second spring groove is formed in the bottom end of the placing seat.

Preferably, the limiting mechanism comprises a magnetic block arranged on the inner side of the U-shaped bracket, and a metal sheet corresponding to the magnetic block is fixed on the surface of the bottom of the end head.

Preferably, the bottom surface of the placing seat is fixed with an anti-skidding bottom mat, and the bottom surface of the anti-skidding bottom mat is uniformly provided with a plurality of strip-shaped anti-skidding depressions.

Preferably, the bottom end of the isosceles triangle telescopic fixture block is connected with a first spring groove, and the first spring groove is arranged inside the top end of the placing seat.

Preferably, the outer surface of the protective cover is provided with an easy-to-pull outer ring, and the easy-to-pull outer ring, the protective cover and the bottom insertion block are of an integrated structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through the safety cover that sets up, end inserted block, the slot, the flexible fixture block of isosceles triangle, the card hole, first spring groove and the easy outer ring that draws, make operating personnel place the main part behind the top of placing the seat, can with the safety cover card on the top of placing the seat, and make the safety cover can cover the injection head completely in the inboard, thereby play effectual guard action to the injection head, prevent to inject the head and bump with external object's wiping, and the safety cover can also play good dustproof effect to the injection head, ensure the cleanliness on injection head surface.

2. Through setting up the block mechanism of constituteing by the flexible fixture block of hemisphere, side draw-in groove and second spring groove to through setting up the stop gear who comprises magnetic path and sheetmetal, make placing at the top of placing the seat that the main part can be more firm, thereby improve the stability after the main part is placed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the protective cover and the placing base;

fig. 3 is a sectional view of the main body and the placing base according to embodiment 2 of the present invention;

fig. 4 is a partial enlarged view of the area a in fig. 3 according to embodiment 2 of the present invention;

fig. 5 is a side sectional view of a connection portion of the hemispherical retractable clamping block and the placing seat in embodiment 2 of the present invention;

in the figure: 1. a main body; 2. a grip; 3. a placing seat; 4. an anti-slip base pad; 5. an easy-to-pull outer ring; 6. a protective cover; 7. a tip; 8. tongue depressing; 9. an injection head; 10. a bottom insert block; 11. a clamping hole; 12. a slot; 13. an isosceles triangle telescopic fixture block; 14. a first spring groove; 15. a handle groove; 16. a hemispherical telescopic fixture block; 17. a side card slot; 18. a tongue groove; 19. a U-shaped bracket; 20. a magnetic block; 21. a metal sheet; 22. a second spring groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1 and fig. 2, the present invention provides a technical solution: a dental injector for filling root canals comprises a placing seat 3 and a main body 1 arranged at the top of the placing seat 3, wherein the bottom end of the main body 1 is provided with an integrated handle 2, one side of the handle 2 is rotatably connected with a pressing tongue 8 through a rotating shaft, the pressing tongue 8 is arranged at the bottom of the main body 1, the top end of the main body 1 is provided with an end head 7, the end head 7 is provided with an injection head 9, the top end of the placing seat 3 is provided with a protective cover 6 corresponding to the injection head 9, an easy-to-assemble and-disassemble connecting mechanism is arranged between the protective cover 6 and the placing seat 3 and comprises a bottom insert block 10 arranged at one side of the protective cover 6, the surface of one side of the placing seat 3 is provided with a slot 12 corresponding to the bottom insert block 10, the inner wall of the slot 12 is symmetrically provided with two isosceles triangle telescopic fixture blocks 13, and the inside of, so that the protective cover 6 can effectively protect and prevent dust for the injection head 9.

In this embodiment, preferably, the bottom end of the isosceles triangle telescopic fixture block 13 is connected with a first spring groove 14 through a spring, and the first spring groove 14 is disposed inside the top end of the placing seat 3, so that the top end of the isosceles triangle telescopic fixture block 13 can be gradually extruded into the first spring groove 14 when being extruded.

In this embodiment, preferably, the outer surface of the protection cover 6 is provided with the easy-to-pull outer ring 5, and the easy-to-pull outer ring 5, the protection cover 6 and the bottom insertion block 10 are of an integrated structure, so that the force is easily applied when the protection cover 6 is laterally pulled.

Example 2

Referring to fig. 1 to 5, the present invention provides a technical solution: a dental injector for filling root canals comprises a placing seat 3 and a main body 1 arranged at the top of the placing seat 3, wherein the bottom end of the main body 1 is provided with an integrated handle 2, one side of the handle 2 is rotatably connected with a pressing tongue 8 through a rotating shaft, the pressing tongue 8 is arranged at the bottom of the main body 1, the top end of the main body 1 is provided with an end head 7, the end head 7 is provided with an injection head 9, the top end of the placing seat 3 is provided with a protective cover 6 corresponding to the injection head 9, an easy-to-assemble and-disassemble connecting mechanism is arranged between the protective cover 6 and the placing seat 3 and comprises a bottom insert block 10 arranged at one side of the protective cover 6, the surface of one side of the placing seat 3 is provided with a slot 12 corresponding to the bottom insert block 10, the inner wall of the slot 12 is symmetrically provided with two isosceles triangle telescopic fixture blocks 13, and the inside of, so that the protective cover 6 can effectively protect and prevent dust for the injection head 9.

In this embodiment, preferably, the top surface of the placing base 3 is provided with a tongue groove 18 corresponding to the tongue 8, the bottom surface of the placing base 3 is provided with a handle groove 15 corresponding to the handle 2, the top end of the placing base 3 is provided with a U-shaped bracket 19 corresponding to the tip 7, a clamping mechanism is arranged between the bottom end of the handle 2 and the handle groove 15, and a limiting mechanism is arranged between the tip 7 and the U-shaped bracket 19.

In this embodiment, preferably, the clamping mechanism includes that the hemispherical telescopic fixture block 16 that is arranged on the inner wall of the two sides of the groove 15 is provided, the bottom surface of the handle 2 is provided with a side clamping groove 17 corresponding to the hemispherical telescopic fixture block 16, the bottom end of the hemispherical telescopic fixture block 16 is connected with a second spring groove 22 through a spring, and the second spring groove 22 is arranged inside the bottom end of the placing seat 3, so that the bottom end of the handle 2 is inserted into the groove 15 and then can be effectively limited.

In this embodiment, preferably, the limiting mechanism includes a magnetic block 20 cemented to the inner side of the U-shaped bracket 19, a metal sheet 21 corresponding to the magnetic block 20 is cemented to the bottom surface of the tip 7, and the metal sheet 21 is an iron member, so that the tip 7 can be effectively limited when being lapped in the U-shaped bracket 19.

In this embodiment, it is preferred, the bottom surface of placing seat 3 is glued and is fixed with anti-skidding heelpiece 4, and a plurality of bar antiskid sunken have evenly been seted up to the bottom surface of anti-skidding heelpiece 4 for difficult skidding when placing seat 3 and putting on the desktop, the improvement is placed the stability of seat 3.

The utility model discloses a theory of operation and use flow: when the main body 1 is placed at the top of the placing seat 3, an operator can push the protective cover 6 to the top end of the placing seat 3, and gradually push the injection head 9 into the inner side of the protective cover 6, and gradually insert the bottom insert block 10 into the slot 12, and gradually squeeze the top end of the isosceles triangle telescopic fixture block 13 into the first spring slot 14 in the process of inserting the bottom insert block 10 until the bottom insert block 10 is completely inserted into the slot 12, and at the same time, the top end of the isosceles triangle telescopic fixture block 13 can be clamped into the inner side of the clamping hole 11 under the action of the spring in the first spring slot 14, so that the bottom insert block 10 is clamped into the slot 12, and the protective cover 6 can be completely installed, so that the protective cover 6 can play a good role in protecting and preventing dust for the injection head 9, thereby preventing the injection head 9 from being rubbed against the external object, and playing a good role in preventing dust for the injection head 9, when a subsequent operator needs to take off the protective cover 6, the protective cover 6 is pulled laterally with force, so that the bottom plug block 10 is subjected to outward pulling force, the top end of the isosceles triangle telescopic fixture block 13 is gradually squeezed into the first spring groove 14, the bottom plug block 10 can be pulled out from the inside of the slot 12, and the protective cover 6 can be smoothly taken off;

when an operator needs to place the main body 1 on the top of the placing seat 3, the main body 1 can be moved to the top of the placing seat 3, and the main body 1 is moved downwards, so that the bottom end of the tongue 8 and the bottom end of the handle 2 can be respectively inserted into the tongue groove 18 and the handle groove 15, and the end head 7 is placed on the inner side of the U-shaped bracket 19, and when the bottom end of the handle 2 is inserted into the handle groove 15, the bottom end of the handle 2 will firstly squeeze the top end of the hemispherical telescopic fixture block 16 into the second spring groove 22 until the bottom end of the handle 2 is smoothly inserted into the bottom end of the handle groove 15, and at this time, the top end of the hemispherical telescopic fixture block 16 will be clamped into the inner side of the side clamping groove 17 under the action of the spring in the second spring groove 22, so as to clamp the bottom end of the handle 2 on the inner side of the handle groove 15 and limit the bottom end of the handle 2, and when the end head 7 is placed on the inner side of the U-shaped bracket, thereby make end 7 can be effectively spacing, thereby make more firm that main part 1 can be placed, the problem of toppling over easily appears in main part 1 in the former device has been solved, and when follow-up operating personnel need take off main part 1 and reuse, only need earlier place seat 3 and press, lift main part 1 with strength again, cause sheetmetal 21 and magnetic path 20 separation, and make the top of the flexible fixture block 16 of hemisphere crowded into the inside of second spring groove 22 once more, can be with the bottom of handle 2 from the inside of groove 15 of proposing, thereby smooth with main part 1 with place seat 3 separation.

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. A dental injector for root canal filling, including placing seat (3) and setting main part (1) placing seat (3) top, the bottom of main part (1) is equipped with handle (2) of integral type, and one side swivelling joint of handle (2) has spatula (8), spatula (8) are in the bottom of main part (1), the top of main part (1) is provided with end (7), and end (7) tip is provided with injection head (9), its characterized in that: the top of placing seat (3) is provided with safety cover (6) corresponding with injection head (9), safety cover (6) and place and be equipped with easy dismouting coupling mechanism between seat (3), easy dismouting coupling mechanism is including setting up end inserted block (10) in safety cover (6) one side, a side surface of placing seat (3) is seted up and is had slot (12) corresponding with end inserted block (10), the inner wall symmetry of slot (12) is provided with two flexible fixture blocks of isosceles triangle (13), and the inside of end inserted block (10) seted up and has been seted up card hole (11) corresponding with flexible fixture block of isosceles triangle (13).

2. The dental injector for root canal filling according to claim 1, wherein: the novel multifunctional electric appliance placing seat is characterized in that a tongue groove (18) corresponding to the pressing tongue (8) is formed in the top surface of the placing seat (3), a handle groove (15) corresponding to the handle (2) is formed in the bottom surface of the placing seat (3), a U-shaped bracket (19) corresponding to the end head (7) is formed in the top end of the placing seat (3), a clamping mechanism is arranged between the bottom end of the handle (2) and the handle groove (15), and a limiting mechanism is arranged between the end head (7) and the U-shaped bracket (19).

3. The dental injector for root canal filling according to claim 2, wherein: the clamping mechanism comprises hemispherical telescopic clamping blocks (16) arranged on the inner walls of the two sides of the handle groove (15), side clamping grooves (17) corresponding to the hemispherical telescopic clamping blocks (16) are formed in the surface of the bottom end of the handle (2), the bottom end of the hemispherical telescopic clamping blocks (16) is connected with second spring grooves (22), and the second spring grooves (22) are formed in the inner portion of the bottom end of the placing seat (3).

4. The dental injector for root canal filling according to claim 2, wherein: the limiting mechanism comprises a magnetic block (20) arranged on the inner side of the U-shaped bracket (19), and a metal sheet (21) corresponding to the magnetic block (20) is fixed on the bottom surface of the end head (7).

5. The dental injector for root canal filling according to claim 2, wherein: the bottom surface of the placing seat (3) is fixed with an anti-skidding bottom mat (4), and the bottom surface of the anti-skidding bottom mat (4) is uniformly provided with a plurality of strip-shaped anti-skidding depressions.

6. The dental injector for root canal filling according to claim 1, wherein: the bottom end of the isosceles triangle telescopic clamping block (13) is connected with a first spring groove (14), and the first spring groove (14) is formed in the top end of the placing seat (3).

7. The dental injector for root canal filling according to claim 1, wherein: the outer surface of the protective cover (6) is provided with an easy-to-pull outer ring (5), and the easy-to-pull outer ring (5), the protective cover (6) and the bottom insert block (10) are of an integrated structure.