CN218889765U

CN218889765U - Bending machine head and root canal bending machine

Info

Publication number: CN218889765U
Application number: CN202222828661.6U
Authority: CN
Inventors: 陆民生; 钱志城; 韦石林; 黄均泉; 赖庆忠
Original assignee: Foshan Jinshang Medical Technology Co ltd
Current assignee: Foshan Jinshang Medical Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-04-21
Anticipated expiration: 2032-10-26

Abstract

The utility model belongs to the technical field of medical appliances, and particularly discloses a bending machine head and a root canal bending machine, wherein the bending machine head comprises a machine shell, a shaft sleeve and a machine head cover, the shaft sleeve is arranged in the machine shell through a bearing piece, the machine head cover is detachably arranged at the top of the machine shell and is positioned above the shaft sleeve, the bending machine head also comprises a fixing seat and a conducting strip, the fixing seat is arranged in the machine shell and is abutted against the inner wall of the machine shell, at least two jacks are formed in the fixing seat, the conducting strip is positioned between the machine shell and the fixing seat, two ends of the conducting strip penetrate through the jacks, and two ends of the conducting strip are attached to the side wall of the shaft sleeve so as to conduct the shaft sleeve, the conducting strip, the fixing seat and the machine shell, or conduct the shaft sleeve, the conducting strip and the machine shell, so that stable conduction is realized, and the installation is also convenient.

Description

Bending machine head and root canal bending machine

Technical Field

The utility model relates to the technical field of medical equipment, in particular to a bending machine head and a root canal bending machine.

Background

In dental root canal treatment, the depth of the root canal is often measured by a root canal bender, and the root canal is enlarged, so that the dental root canal treatment device has the advantages of integrated instrument and diversified functions, reduces the influence on a patient and a series of complicated treatment steps, and effectively shortens the treatment time.

For example, chinese patent publication No. CN215960365U discloses a bending machine head and a root canal bending machine with conductive structures. The root canal bender realizes the root canal depth measurement function through the double-passage conduction mode of the conductive spring and the conductive elastic sheet. But in actual production installation, on the one hand, because the size of conductive spring is too little to need establish conductive spring one end cover at the fixed part of pressing the lid, comparatively troublesome when leading to the installation, production efficiency is lower, on the other hand, because drive the root canal file through the axle sleeve and rotate, consequently conductive spring is easy at the root canal file slippage, leads to the contact unstable, and is electrically conductive unstable.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the bending machine head and the root canal bending machine, which realize stable conduction and are convenient to install.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a bender head, includes casing, axle sleeve and camera lid, and the axle sleeve passes through the bearing piece to be installed in the casing, and camera lid detachably installs in the casing top to be located the axle sleeve top, bender head still includes fixing base and conducting strip, the fixing base is installed in the casing to support and lean on the inner wall of casing, and seted up two at least jacks on the fixing base, the conducting strip is located between casing and the fixing base, and the both ends of conducting strip all pass the jack, and the both ends of conducting strip all laminate on the lateral wall of axle sleeve to make axle sleeve, conducting strip, fixing base and casing switch on, perhaps make axle sleeve, conducting strip and casing switch on.

Preferably, the conductive sheet comprises a fixing section and attaching sections integrally formed at two ends of the fixing section;

the fixing seat is C-shaped, a clamping groove is formed in the side wall of the fixing seat, the insertion hole is formed in the clamping groove, the attaching section penetrates through the insertion hole and is attached to the side wall of the shaft sleeve, and the fixing section is clamped in the clamping groove.

Further, the bearing member includes a first bearing and a second bearing, and the upper end and the lower end of the sleeve are respectively installed in the housing through the first bearing and the second bearing.

Further, a limiting step is arranged on the inner wall of the shell;

the inner wall of the machine head cover is radially extended with a pressing flange, the machine head cover is in threaded connection with the top of the machine shell, so that the pressing flange sequentially presses the outer ring of the first bearing and the fixing seat, and the bottom surface of the fixing seat is abutted against the limiting step.

Further, the machine head cover comprises a button, a cover seat, a screwed pipe and an elastic piece, wherein the pressing flange is arranged on the inner wall of the screwed pipe, one end of the screwed pipe is in screwed connection with the inner wall of the machine shell, and the other end of the screwed pipe is in screwed connection with the inner wall of the cover seat;

the side wall of the button is radially extended with a first limit flange, the inner wall of the upper end of the cover seat is radially extended with a second limit flange, one end of the elastic piece is propped against the compression flange, and the other end of the elastic piece is propped against the button, so that the first limit flange is propped against the second limit flange.

Further, the conductive sheet is made of zinc white copper alloy, and the surface of the conductive sheet is plated with gold.

Also discloses a root canal bender, which comprises the bending machine head.

The beneficial effects of the utility model are as follows: the two ends of the conducting strip penetrate through the insertion holes of the fixing base, so that the conducting strip is stable on the fixing base, the two ends of the conducting strip are stably attached to the side wall of the shaft sleeve and cannot slip off, the shaft sleeve, the fixing base and the conducting strip are installed in the machine shell, the machine head cover is installed at the top of the machine shell, the fixing base is abutted against the inner wall of the machine shell, stable conduction is achieved, and the machine is convenient to install.

Drawings

FIG. 1 is a perspective cutaway view of an embodiment of the present utility model;

FIG. 2 is a horizontal cross-sectional view of an embodiment of the present utility model;

FIG. 3 is a vertical cross-sectional view of an embodiment of the present utility model;

fig. 4 is a perspective view of a fixing base and a conductive sheet according to an embodiment of the present utility model.

In the figure, the machine comprises a 1-machine shell, a 11-limiting step, a 2-shaft sleeve, a 3-machine head cover, a 31-button, a 311-first limiting flange, a 32-cover seat, a 321-second limiting flange, a 33-screwed pipe, a 331-pressing flange, a 34-elastic piece, a 4-bearing piece, a 41-first bearing, a 42-second bearing, a 5-fixed seat, a 51-jack, a 52-clamping groove, a 6-conducting plate, a 61-fixed section, a 62-attaching section and a 7-root canal file.

Detailed Description

The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

As shown in fig. 1, the bending machine head provided in this embodiment includes a casing 1, a shaft sleeve 2 and a machine head cover 3, where the shaft sleeve 2 is used to fix a root canal file 7, and is installed in the casing 1 through a bearing member 4, specifically, the bearing member 4 includes a first bearing 41 and a second bearing 42, and the upper end and the lower end of the shaft sleeve 2 are installed in the casing 1 through the first bearing 41 and the second bearing 42 respectively, so that the shaft sleeve 2 can rotate in the casing 1, thereby driving the root canal file 7 to rotate.

As shown in fig. 3, the machine head cover 3 is detachably mounted on the top of the casing 1 and is located above the shaft sleeve 2, the bending machine head further comprises a fixing seat 5 and a conducting strip 6, the fixing seat 5 is mounted in the casing 1 and located between the casing 1 and the shaft sleeve 2 and abuts against the inner wall of the casing 1, the fixing seat 5 plays a role in stabilizing the conducting strip 6, at least two jacks 51 are formed in the fixing seat 5, the conducting strip 6 is located between the casing 1 and the fixing seat 5, two ends of the conducting strip 6 penetrate through the jacks 51, so that the conducting strip 6 is stabilized on the fixing seat 5, two ends of the conducting strip 6 are attached to the side wall of the shaft sleeve 2, so that the shaft sleeve 2, the conducting strip 6, the fixing seat 5 and the casing 1 are conducted, or the shaft sleeve 2, the conducting strip 6 and the casing 1 are conducted. Specifically, the conductive sheet 6 is made of zinc-white copper alloy, the strength and the elasticity of the zinc-white copper alloy are excellent, and the zinc-white copper alloy is always tightly attached to the side wall of the shaft sleeve 2 in the process of rotating the shaft sleeve 2, so that the conductive sheet is stably conducted; and the surface of the conductive sheet 6 is plated with gold, which can enhance the conducting performance.

The two ends of the conducting strip 6 penetrate through the insertion holes 51 of the fixed seat 5, so that the conducting strip 6 is stabilized on the fixed seat 5, the two ends of the conducting strip 6 are stably attached to the side wall of the shaft sleeve 2 and cannot slip off, the shaft sleeve 2, the fixed seat 5 and the conducting strip 6 are installed in the machine shell 1, the machine shell cover 3 is installed at the top of the machine shell 1, the fixed seat 5 is abutted against the inner wall of the machine shell 1, stable conduction is realized, and the installation is convenient.

It should be noted that, there are various embodiments, when the fixing base 5 is made of conductive material, the shaft sleeve 2, the conductive sheet 6, the fixing base 5 and the casing 1 are conducted; when the fixing seat 5 is made of non-conductive materials, one end of the conductive sheet 6 directly abuts against the inner wall of the casing 1, so that the shaft sleeve 2, the conductive sheet 6 and the casing 1 are conducted.

Specifically, as shown in fig. 4, the conductive sheet 6 includes a fixing section 61 and attaching sections 62 integrally formed at two ends of the fixing section 61, where the fixing section 61 and the attaching sections 62 are arc-shaped, so that the fixing section 61 can attach to a side wall of the fixing seat 5, and the attaching sections 62 can attach to a side wall of the shaft sleeve 2; for cooperation axle sleeve 2, the transversal of fixing base 5 is "C" type, and has offered draw-in groove 52 on the lateral wall of fixing base 5, and jack 51 sets up in draw-in groove 52, and laminating section 62 passes jack 51 to laminate on the lateral wall of axle sleeve 2, and fixed section 61 card is in draw-in groove 52, makes fixed section 61 clamp between fixing base 5 and casing 1, thereby limit conducting strip 6 in upper and lower, the horizontal direction, make it stabilize on fixing base 5, realize stable switching on. The depth of the card slot 52 may be set according to the thickness of the conductive sheet 6.

Further, as shown in fig. 3, a limit step 11 is arranged on the inner wall of the casing 1; the inner wall of the machine head cover 3 is radially extended with a pressing flange 331, the machine head cover 3 is in threaded connection with the top of the machine shell 1, so that the pressing flange 331 sequentially presses the outer ring of the first bearing 41 and the fixed seat 5, the bottom surface of the fixed seat 5 abuts against the limiting step 11, the fixed seat 5 is stably installed in the machine shell 1, and stable conduction is realized even if the conductive sheet 6 is kept stable.

As shown in fig. 3, the handpiece cover 3 comprises a button 31, a cover seat 32, a screwed pipe 33 and an elastic piece 34, wherein a pressing flange 331 is arranged on the inner wall of the screwed pipe 33 and is integrally formed with the screwed pipe 33, one end of the screwed pipe 33 is in screwed connection with the inner wall of the casing 1, and the other end of the screwed pipe 33 is in screwed connection with the inner wall of the cover seat 32; the first limit flange 311 radially extends on the side wall of the button 31, the second limit flange 321 radially extends on the inner wall of the upper end of the cover seat 32, the elastic piece 34 can select a spring or a wave-shaped elastic piece, one end of the elastic piece 34 is propped against the pressing flange 331, the other end is propped against the button 31, so that the first limit flange 311 is propped against the second limit flange 321, and the effect of stably pressing the button 31 is realized.

Example two

The embodiment provides a root canal bender, which comprises a bender head disclosed in the first embodiment.

The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and yet fall within the scope of the utility model.

Claims

1. The utility model provides a bender head, includes casing (1), axle sleeve (2) and aircraft nose lid (3), and axle sleeve (2) are installed in casing (1) through bearing piece (4), and machine nose lid (3) detachably installs in casing (1) top to be located axle sleeve (2) top, at its characterized in that: the bending machine head further comprises a fixing seat (5) and a conducting strip (6), wherein the fixing seat (5) is installed in the machine shell (1) and is propped against the inner wall of the machine shell (1), at least two jacks (51) are formed in the fixing seat (5), the conducting strip (6) is located between the machine shell (1) and the fixing seat (5), two ends of the conducting strip (6) penetrate through the jacks (51), two ends of the conducting strip (6) are attached to the side wall of the shaft sleeve (2) so that the shaft sleeve (2), the conducting strip (6), the fixing seat (5) and the machine shell (1) are conducted, or the shaft sleeve (2), the conducting strip (6) and the machine shell (1) are conducted.

2. A bending head according to claim 1, wherein: the conductive sheet (6) comprises a fixed section (61) and attaching sections (62) which are integrally formed at two ends of the fixed section (61);

the fixing seat (5) is of a C shape, a clamping groove (52) is formed in the side wall of the fixing seat (5), the insertion hole (51) is formed in the clamping groove (52), the attaching section (62) penetrates through the insertion hole (51) and is attached to the side wall of the shaft sleeve (2), and the fixing section (61) is clamped in the clamping groove (52).

3. A bending head according to claim 1, wherein: the bearing piece (4) comprises a first bearing (41) and a second bearing (42), and the upper end and the lower end of the shaft sleeve (2) are respectively arranged in the shell (1) through the first bearing (41) and the second bearing (42).

4. A bending head according to claim 3, wherein: a limiting step (11) is arranged on the inner wall of the shell (1);

the inner wall of the machine head cover (3) is radially extended with a pressing flange (331), the machine head cover (3) is in threaded connection with the top of the machine shell (1), so that the pressing flange (331) sequentially presses the outer ring of the first bearing (41) and the fixing seat (5), and the bottom surface of the fixing seat (5) is abutted against the limiting step (11).

5. A bending head according to claim 4, wherein: the machine head cover (3) comprises a button (31), a cover seat (32), a screwed pipe (33) and an elastic piece (34), wherein the pressing flange (331) is arranged on the inner wall of the screwed pipe (33), one end of the screwed pipe (33) is in screwed connection with the inner wall of the machine shell (1), and the other end of the screwed pipe is in screwed connection with the inner wall of the cover seat (32);

the side wall of the button (31) is radially extended with a first limit flange (311), the inner wall of the upper end of the cover seat (32) is radially extended with a second limit flange (321), one end of the elastic piece (34) is propped against the pressing flange (331), and the other end is propped against the button (31), so that the first limit flange (311) is propped against the second limit flange (321).

6. A bending head according to claim 1, wherein: the conducting strip (6) is made of zinc white copper alloy, and the surface of the conducting strip (6) is plated with gold.

7. A root canal bender, characterized in that: comprising a bending head according to any one of claims 1 to 6.