CN217186496U

CN217186496U - Root canal preparation machine

Info

Publication number: CN217186496U
Application number: CN202220939480.8U
Authority: CN
Inventors: 江中耀; 黄达鸿; 黄家炽; 陈基绵
Original assignee: Modern Precision Dental Instruments Co ltd
Current assignee: Modern Precision Dental Instruments Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-16
Anticipated expiration: 2032-04-21

Abstract

The application discloses root canal preparation machine belongs to the dental surgery apparatus field, which comprises a housing, rotatory chamber has been seted up to the casing, root canal file is worn to be equipped with in rotatory chamber, the rotatable formula in rotatory chamber is provided with and is used for driving the rotatory main shaft of root canal file, be connected with the locating part between main shaft and the root canal file, casing outer wall slides and is provided with the jam plate, the lockhole that supplies root canal file to wear to establish is seted up to the jam plate, the root canal file of the same joint of locating part and jam plate, the hole area of lockhole is greater than the cross sectional area of the afterbody of root canal file, the afterbody that makes the root canal file can break away from the jam plate. This application has the advantage of the installation condition of being convenient for judge root canal file.

Description

Root canal prepares machine

Technical Field

The application relates to the field of dental surgical instruments, in particular to a root canal preparation machine.

Background

In the dental clinical root canal treatment, a root canal preparation machine is a common surgical instrument. The tooth has a hollow structure in the middle, and the lower part of the hollow structure is provided with a tubular root canal, the dental nerve and blood vessel are led out by the root canal, the root canal therapy is to treat the root canal damaged by the invasion of bacteria, and the first stage of the root canal therapy is the root canal preparation stage.

In the root canal preparation stage, the root canal preparation machine plays a role of expanding the root canal instead of manual work, so that the working difficulty of a dentist is reduced, and the efficiency is improved; the expansion root canal is that the root canal treatment file installed on the head of the root canal preparation machine makes a rotary motion to realize the dredging and expansion of the root canal. Root canal treatment file is the root canal file for general short, and the root canal file has a plurality of kinds and model to adapt to the operation condition of difference, consequently the root canal file is detachable installation on root canal preparation machine.

Figure 1 is relevant root canal preparation machine structure picture, and the root canal preparation machine is provided with the gland, and the gland covers root canal file and root canal preparation machine's the position of being connected, leads to the user can't judge whether the installation of root canal file is stable, has the potential safety hazard.

SUMMERY OF THE UTILITY MODEL

In order to facilitate the installation condition of judging root canal file, this application provides a root canal preparation machine.

The application provides a root canal prepares machine adopts following technical scheme:

the utility model provides a root canal preparation machine, includes the casing, rotatory chamber has been seted up to the casing, root canal file is worn to be equipped with in rotatory chamber, the rotatable formula in rotatory chamber is provided with and is used for driving the rotatory main shaft of root canal file, the main shaft with be connected with the locating part between the root canal file, casing outer wall slides and is provided with the jam plate, the confession has been seted up to the jam plate the lockhole that the root canal file was worn to establish, the locating part with the same joint of jam plate the root canal file, the hole area of lockhole is greater than the cross sectional area of the afterbody of root canal file makes the afterbody of root canal file can break away from the jam plate.

Through adopting above-mentioned technical scheme, the root canal file is installed in rotatory intracavity, the joint effect of locating part and jam plate makes the root canal file keep axial position's stability, through the jam plate that slides, adjust the relative position of lockhole and root canal file afterbody, change the connection status of root canal file afterbody and jam plate, make the root canal file remove, thereby adjustment jam plate is to the locking state or the unblock state of root canal file, realize quick unblock through above-mentioned simple structure and action, convenient to detach and installation root canal file, and the user can clearly see the connection condition of root canal file afterbody and jam plate through the lockhole, be convenient for judge the locking installation condition, reduce the potential safety hazard.

Optionally, the afterbody of root canal file is equipped with the locking boss, the locking boss butt in the jam plate deviates from one side of main shaft, the root canal file is equipped with spacing portion, the locating part butt in spacing portion towards one side of jam plate.

Through adopting above-mentioned technical scheme, locking boss and jam plate cooperation restriction root canal file are at the removal of the ascending one direction of axial, and locating part and spacing portion cooperation restriction root canal file are at the removal of the ascending another direction of axial to the realization is to the joint of root canal file.

Optionally, the limiting member is fixedly connected to the main shaft, the limiting member is connected to the outer wall of the root canal file in a sleeved manner, the limiting member is provided with a first limiting plane, and the outer wall of the root canal file is provided with a butt joint on a second limiting plane of the first limiting plane.

Through adopting above-mentioned technical scheme, when the main shaft rotated, the locating part rotated, and the effort that produces when spacing plane first and the mutual butt of second drove the root canal file and rotates, realized the work of root canal file.

Optionally, an avoiding plane flush with the second limiting plane is arranged on the side wall of the locking boss.

Through adopting above-mentioned technical scheme, when the root canal file passed the main shaft, dodge the plane and can make the locking boss avoid the locating part to obstruct the condition appearance that the locking boss reachd the jam plate.

Optionally, the locking hole includes a locking end and an unlocking end that are communicated with each other, the hole area of the locking end is smaller than the cross-sectional area of the locking boss, and the hole area of the unlocking end is larger than the cross-sectional area of the locking boss.

Through adopting above-mentioned technical scheme, the jam plate slides, makes locking end and unblock end remove for the locking boss to the afterbody that makes the root canal file can break away from the jam plate, realizes unblock and dismantlement root canal file.

Optionally, one end of the locking plate is provided with an extension block, an elastic piece is connected between the extension block and the casing, and the extension direction of the elastic piece is the same as the sliding direction of the locking plate.

Through adopting above-mentioned technical scheme, realize that the elastic component is connected with the jam plate, keep jam plate position stable to after the jam plate slides, utilize the elasticity of elastic component to make the jam plate reset, make the operation more convenient.

Optionally, the outer wall of casing is equipped with and hinders the position, the jam plate is connected with the locating piece, the locating piece is kept away from one side of root canal file with hinder position butt.

Through adopting above-mentioned technical scheme, the removal of further restriction jam plate is cooperated with the butt of the portion of hindering the locating piece to when root canal file locking state, further keep the stability of jam plate.

Optionally, the outer wall of the casing is provided with a receiving hole, and the elastic member is disposed in the receiving hole.

Through adopting above-mentioned technical scheme, the accommodation hole both can reduce the shared casing exterior space of elastic component, can protect the elastic component again, improves the life of elastic component.

Optionally, the locking plate is provided with an accommodating groove, and the locking hole is formed in the bottom of the accommodating groove.

Through adopting above-mentioned technical scheme, accomodate the groove and can accomodate the locking boss in the jam plate, reduce the degree that the locking boss exposes the jam plate outward, protection locking boss.

In summary, the present application has the following beneficial effects:

1. this application sets up locating part and jam plate, the joint effect of locating part and jam plate makes root canal file keep axial position's stability, through the jam plate that slides, adjust the relative position of lockhole and root canal file afterbody, change the connection status of root canal file afterbody and jam plate, make root canal file can remove, thereby adjustment jam plate is to the lock state or the unblock state of root canal file, realize quick unblock with the action through above-mentioned simple structure, convenient to detach and installation root canal file, and the user can clearly see the condition of being connected of root canal file afterbody and jam plate through the lockhole, be convenient for judge the locking condition.

2. The limiting part can also be used for driving the root canal file to rotate, and the main shaft and the root canal file can synchronously rotate by utilizing the matching of the first limiting plane and the second limiting plane; this application still sets up elastic component and locating piece, resets and restricts the position of jam plate, stability when improving root canal file locking.

Drawings

Fig. 1 is a perspective view of a related root canal preparation machine.

Fig. 2 is a perspective view of the root canal preparation machine according to the present invention.

Fig. 3 is a partially enlarged view of a in fig. 2.

Fig. 4 is a sectional view of the root canal preparation machine of the present application.

Fig. 5 is an exploded view of the file and stop of the present application.

Fig. 6 is a perspective view of the lock plate of the present application.

Description of reference numerals:

1. a housing; 11. a rotating chamber; 12. a main shaft; 13. a bearing; 14. a chute; 2. root canal files; 21. a limiting part; 22. a second limit plane; 23. locking the boss; 24. avoiding a plane; 3. a limiting member; 31. a first limit plane; 4. a locking plate; 41. a lock hole; 411. a locking end; 412. an unlocking end; 42. a storage groove; 43. an accommodation hole; 44. an extension block; 45. a spring; 46. a guide post; 47. positioning a block; 48. a blocking part; 5. and (7) pressing the cover.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses root canal preparation machine. As shown in fig. 2 and 3, a root canal preparation machine includes casing 1, and the one end of casing 1 is established to the work end, and root canal file 2 is installed to the work end of casing 1, and the head of root canal file 2 is the taper shape, and the head of root canal file 2 is used for stretching into the root canal position, enlarges the root canal, and the afterbody of root canal file 2 is connected with casing 1.

As shown in fig. 4, a rotating cavity 11 is formed at the working end of the housing 1, a main shaft 12 is rotatably arranged in the rotating cavity 11, the main shaft 12 is connected with the inner wall of the rotating cavity 11 through a bearing 13, the main shaft 12 is a cylindrical hollow tubular structure, the main shaft 12 is coaxially arranged with the rotating cavity 11, and the root canal file 2 is arranged through the rotating cavity 11 and the main shaft 12, so that the root canal file 2 is coaxially arranged with the main shaft 12; casing 1 is connected with and is used for driving the rotatory electric motor of main shaft 12, and main shaft 12 drives root canal file 2 rotatory when rotatory to realize root canal file 2 to the expansion of root canal.

As shown in fig. 4 and 5, the inner wall of the main shaft 12 is fixedly connected with a limiting piece 3, the limiting piece 3 is in a circular ring-like structure, and the limiting piece 3 is sleeved on the outer wall of the root canal file 2; the inner wall integrated into one piece of locating part 3 has interior portion of extending, and interior portion of extending is equipped with first spacing plane 31, and the groove of stepping down has been seted up to root canal file 2's outer wall, makes root canal file 2's outer wall form spacing plane 22 of second and bellied spacing portion 21.

When installing root canal file 2, penetrate main shaft 12 with root canal file 2's afterbody, until spacing portion 21 and interior extension portion butt to carry on spacingly to root canal file 2 a direction on the axis, first spacing plane 31 and the spacing plane 22 butt of second, thereby when main shaft 12 is rotatory, main shaft 12 drives locating part 3 rotatory, and the rotation of locating part 3 transmits the effort to the spacing plane 22 of second through first spacing plane 31, and it is rotatory to drive root canal file 2.

The afterbody of root canal file 2 is equipped with locking boss 23, and the lateral wall of locking boss 23 is equipped with dodges plane 24, dodges plane 24 and the spacing plane 22 parallel and level of second, when root canal file 2 penetrated main shaft 12, because locking boss 23 sets up dodges plane 24 for locking boss 23 avoids locating part 3, thereby avoids locating part 3 to hinder the condition appearance that locking boss 23 reachd jam plate 4.

As shown in fig. 3 and 6, a chute 14 is formed in the outer wall of the end of the casing 1 away from the head of the root canal file 2, and a locking plate 4 is slidably arranged on the casing 1 through the chute 14; the locking plate 4 is provided with a locking hole 41, and the locking boss 23 penetrates through the locking hole 41. The whole hole area of the lock hole 41 is larger than the cross-sectional area of the lock boss 23, the cross-sectional area refers to the cross-sectional area of the lock boss 23 after the lock boss 23 is intersected along the radial direction of the root canal file 2, specifically, the lock hole 41 comprises a lock end 411 and an unlock end 412 which are communicated with each other, the area of the lock end 411 is smaller than the cross-sectional area of the lock boss 23, the lock boss 23 cannot penetrate through the lock plate 4 through the lock end 411, the hole area of the unlock end 412 is larger than the cross-sectional area of the lock boss, and the lock boss 23 can penetrate through the lock plate 4 through the unlock end 412.

As shown in fig. 3 and 4, when installing root canal file 2, jam plate 4 slides, make unblock end 412 aim at root canal file 2, remove root canal file 2 until the locking lug passes unblock end 412, then jam plate 4 slides in the opposite direction, make locking end 411 aim at root canal file 2, and locking boss 23 butt this moment and jam plate 4 deviate from one side of main shaft 12, thereby it is spacing to carry out another direction of root canal file 2 on the axis, and then joint root canal file 2 under locating part 3 and the combined action of jam plate 4, make root canal file 2 can rotate, keep axial position's stability again, accomplish root canal file 2's installation, dismantle the syntropy, thereby realize root canal file 2's quick assembly disassembly. In addition, the user can clearly see the connection condition of the tail part of the root canal file 2 and the locking plate 4 through the locking hole 41, so that the locking installation condition can be conveniently judged.

As shown in fig. 4 and 6, a receiving groove 42 is formed on a side of the lock plate 4 away from the housing 1, the locking hole 41 is formed at a bottom of the receiving groove 42, the receiving groove 42 can receive the locking boss 23 in the lock plate 4, so that the degree of the locking boss 23 exposed out of the lock plate 4 is reduced, and the locking boss 23 is protected.

As shown in fig. 4, an accommodating hole 43 is formed in an outer wall of the housing 1, an elastic member, specifically a spring 45, is disposed in the accommodating hole 43, and the accommodating hole 43 receives the spring 45 and plays a role in protection. One end that housing 1 work end was kept away from to jam plate 4 is fixed with extension piece 44, the one end that spring 45 stretched out accommodation hole 43 is connected in extension piece 44, the flexible direction of spring 45 is the same with the glide direction of jam plate 4, when unlocking end 412 aligns root canal file 2 on jam plate 4, spring 45 is compressed, after the application of force of release to jam plate 4, jam plate 4 slides under spring 45's the elasticity effect that resumes and resets, make locking end 411 aim at root canal file 2, accomplish the locking to root canal file 2.

The extending block 44 is fixed with a guide post 46, the spring 45 is sleeved outside the guide post 46, and the guide post 46 plays a role in guiding the extension direction of the spring 45.

Locking plate 4 wears to establish and threaded connection has locating piece 47, and casing 1's outer wall has been seted up and has been blocked the groove for casing 1's outer wall forms for blocking the convex portion 48 that blocks in groove, blocks the portion 48 that blocks and is located and blocks the groove and keep away from one side of root canal file 2, locating piece 47 stretch into block the inslot and with block 48 butts, further restriction locking plate 4's removal, thereby when root canal file 2 locking state, further keep locking plate 4's stability.

The implementation principle of root canal preparation machine of the embodiment of this application is:

when installation root canal file 2, penetrate main shaft 12 with root canal file 2, the jam plate 4 slides simultaneously, make the unblock end 412 of lockhole 41 aim at root canal file 2, continue to remove root canal file 2, until spacing portion 21 and interior extension portion butt, and locking boss 23 wears to establish unblock end 412, then release the application of force to jam plate 4, under the spring action of spring 45, jam plate 4 resumes the normal position, root canal file 2 is aimed at to the locking end 411 of lockhole 41, and jam plate 4 and locking boss 23 butt, realize that root canal file 2 is two ascending spacings in the axial, accomplish root canal file 2's quick locking.

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 root canal preparation machine, includes casing (1), rotatory chamber (11) have been seted up in casing (1), root canal file (2) are worn to be equipped with in rotatory chamber (11), rotatable formula is provided with in rotatory chamber (11) is used for driving the rotatory main shaft (12) of root canal file (2), its characterized in that: main shaft (12) with be connected with locating part (3) between root canal file (2), casing (1) outer wall slides and is provided with jam plate (4), the confession has been seted up in jam plate (4) lockhole (41) that root canal file (2) were worn to establish, locating part (3) with the same joint of jam plate (4) root canal file (2), the hole area of lockhole (41) is greater than the cross sectional area of the afterbody of root canal file (2) makes the afterbody of root canal file (2) can break away from jam plate (4).

2. The root canal preparation machine according to claim 1, wherein: the afterbody of root canal file (2) is equipped with locking boss (23), locking boss (23) butt in jam plate (4) deviates from one side of main shaft (12), root canal file (2) are equipped with spacing portion (21), locating part (3) butt in spacing portion (21) towards one side of jam plate (4).

3. The root canal preparation machine according to claim 2, wherein: locating part (3) fixed connection in main shaft (12), locating part (3) cup joint in the outer wall of root canal file (2), locating part (3) are equipped with first spacing plane (31), the outer wall of root canal file (2) be equipped with the butt in second spacing plane (22) of first spacing plane (31).

4. The root canal preparation machine according to claim 3, wherein: and an avoiding plane (24) which is flush with the second limiting plane (22) is arranged on the side wall of the locking boss (23).

5. The root canal preparation machine according to claim 2, wherein: the lockhole (41) comprises a locking end (411) and an unlocking end (412) which are communicated with each other, the hole area of the locking end (411) is smaller than the cross-sectional area of the locking boss (23), and the hole area of the unlocking end (412) is larger than the cross-sectional area of the locking boss.

6. The root canal preparation machine according to claim 1, wherein: one end of the locking plate (4) is provided with an extension block (44), the extension block (44) and the shell (1) are connected with an elastic piece, and the extension direction of the elastic piece is the same as the sliding direction of the locking plate (4).

7. The root canal preparation machine according to claim 1, wherein: the outer wall of casing (1) is equipped with and hinders position portion (48), jam plate (4) are connected with locating piece (47), locating piece (47) are kept away from one side of root canal file (2) with hinder position portion (48) butt.

8. The root canal preparation machine according to claim 6, wherein: the outer wall of the machine shell (1) is provided with an accommodating hole (43), and the elastic piece is arranged in the accommodating hole (43).

9. The root canal preparation machine according to claim 1, wherein: the lock plate (4) is provided with an accommodating groove (42), and the lock hole (41) is arranged at the bottom of the accommodating groove (42).