CN216318073U - Card bending machine long in service life and easy to process - Google Patents

Abstract

The utility model discloses a card bending machine which is long in service life and easy to process, and the card bending machine comprises a machine head shell, wherein the right end of the machine head shell is in threaded connection with a handle shell, the lower side of the head of the machine head shell is in threaded connection with a front cover, a gear shaft sleeve is rotatably arranged on the inner side of the head of the machine head shell, a detachable needle card is arranged on the upper side of the head of the machine head shell, a first transmission shaft rotatably arranged on the inner side of the machine head shell is arranged on the right side of the gear shaft sleeve, a first end face gear meshed with the gear shaft sleeve is sleeved at the left end of the first transmission shaft, a second end face gear is sleeved at the right end of the first transmission shaft, a second transmission shaft is rotatably arranged on the inner side of the handle shell, a third end face gear meshed with the second end face gear is sleeved at the left end of the second transmission shaft, and a connector is sleeved at the right end of the second transmission shaft. Compared with the prior art, the method has the advantages that: compared with the existing dental handpiece, the novel dental handpiece has the advantages of simpler structure, smaller processing difficulty and lower processing cost; this neotype life is longer.

Description

Card bending machine long in service life and easy to process

Technical Field

The utility model relates to the technical field of dental appliances, in particular to a card bending machine which is long in service life and easy to process.

Background

Dentistry is a separate department for treating the health problems of teeth of people, and mainly treats diseases related to teeth and periodontium. Dental handpieces are one of the dental appliances commonly used by medical personnel during dental treatment. However, the dental handpiece in the prior art generally has the problems of too many accessories, high processing difficulty and short service life of a machine core. In order to solve the above problems, a card bending machine which has a long service life and is easy to machine is proposed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of overcoming the technical difficulties and provides the card bending machine which has the advantages of simple structure, easy processing and longer service life of a machine core and is long in service life and easy to process.

In order to solve the technical problems, the technical scheme provided by the utility model is as follows:

the utility model provides a long service life and card bending machine of easily processing, includes the aircraft nose casing, aircraft nose casing right end threaded connection have the handle casing and with the contained angle between the handle casing be the obtuse angle, the head downside threaded connection of aircraft nose casing has the protecgulum, the head inboard of aircraft nose casing rotates and is provided with the geared sleeve, the head upside of aircraft nose casing is equipped with detachable car needle card, geared sleeve right side is equipped with rotates and sets up the transmission shaft I inboard at the aircraft nose casing, a transmission shaft left end portion cup joints the terminal surface gear I, the right-hand member portion cup joints terminal surface gear two that mesh mutually with the geared sleeve, the inboard rotation of handle casing is equipped with transmission shaft two, two left end portions of transmission shaft cup joint terminal surface gear three, the right-hand member portion cup joints the connector with terminal surface gear two-phase meshing.

As an improvement, the upper end part and the lower end part of the gear shaft sleeve are respectively sleeved with a bearing fixed on the inner side of the handpiece shell in a rotating mode.

As an improvement, a groove for placing a needle clamping piece is formed in the upper side of the head of the machine head shell, the needle clamping piece is fixed in the groove through a screw, and a clamping piece rubber mat is sleeved on the right portion of the needle clamping piece.

As an improvement, the middle part of the first transmission shaft is sleeved with a main shaft sleeve fixed on the inner side of the machine head shell and connected with the main shaft sleeve through an oil-containing sliding bearing, a locking nut which is abutted to the right end of the main shaft sleeve is sleeved on the inner wall of the right end of the machine head shell in a threaded mode, and the first end face gear and the second end face gear are fixed on the first transmission shaft through cylindrical pins respectively.

As an improvement, the front part of the second transmission shaft is sleeved with a bearing seat fixed on the inner side of the handle shell and connected with the bearing seat through an oil-containing sliding bearing, and the third end face gear and the connector are respectively fixed on the second transmission shaft through cylindrical pins.

As an improvement, the right side of the oil-containing sliding bearing on the rightmost side is abutted with a copper sleeve which is sleeved on the second transmission shaft in a sliding mode, the right side of the copper sleeve is connected with a pin sleeve which is sleeved at the left end of the connector through a compression spring, and a cylindrical pin on the connector is located on the inner side of the pin sleeve.

Compared with the prior art, the utility model has the advantages that:

1. the utility model has convenient use and better hand feeling;

2. compared with the existing dental handpiece, the novel dental handpiece has the advantages of simpler structure, smaller processing difficulty and lower processing cost;

3. this neotype life is longer.

Drawings

Fig. 1 is a schematic structural diagram of a card bending machine which has long service life and is easy to process.

Fig. 2 is a schematic cross-sectional view of a card bending machine with long service life and easy processing according to the present invention.

Fig. 3 is a schematic structural diagram of a gear shaft sleeve of a card bending machine, which has long service life and is easy to process.

As shown in the figure: 1. a handpiece housing; 2. a handle housing; 3. a front cover; 4. a gear shaft sleeve; 5. lathing a needle card; 6. a first transmission shaft; 7. a first face gear; 8. a second face gear; 9. a main shaft sleeve; 10. a second transmission shaft; 11. a third face gear; 12. a bearing seat; 13. a connector; 14. a screw; 15. a card cushion; 16. locking the nut; 17. a copper sleeve; 18. a compression spring; 19. and (4) pin sleeves.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a long service life and card bending machine of easily processing, includes aircraft nose casing 1, 1 right-hand member threaded connection of aircraft nose casing have handle casing 2 and with the handle casing 2 between the contained angle be the obtuse angle, more make things convenient for dentist's use, the head downside threaded connection of aircraft nose casing 1 has protecgulum 3, the head inboard of aircraft nose casing 1 is rotated and is provided with geared sleeve 4, and is concrete, the upper and lower both ends of geared sleeve 4 rotate respectively to cup joint and fix the bearing in aircraft nose casing 1 inboard.

Head casing 1's head upside is equipped with detachable car needle card 5, and is concrete, the recess of placing car needle card 5 is seted up to head casing 1's head upside, car needle card 5 passes through screw 14 to be fixed in the recess, and card cushion 15 has been cup jointed to car needle card 5 right part. The needle for dentistry is installed at the inner side of the gear shaft sleeve 4, then the needle clamping piece 5 is installed, and the needle is clamped by the needle clamping piece 5, so that the needle is in a locking state.

4 right sides of gear sleeve are equipped with and rotate the first 6 of transmission shaft that sets up in aircraft nose casing 1 inboard, the first 6 left end portions of transmission shaft have cup jointed the first 7 of face gear, the right-hand member portion of meshing mutually with gear sleeve 4 and have cup jointed two 8 of face gear, and is concrete, the first 6 middle part covers of transmission shaft are equipped with and fix at 1 inboard spindle cover 9 of aircraft nose casing and with spindle cover 9 between be connected through oiliness slide bearing, the screw has cup jointed the lock nut 16 inconsistent with the spindle cover 9 right-hand member on the right-hand member inner wall of aircraft nose casing 1, face gear 7 and two 8 of face gear are fixed on transmission shaft 6 through the cylindric lock respectively. The spindle sleeve 9 is fixed in the handpiece shell 1 through a locking nut 16, and after the locking nut 16 is screwed off, the spindle sleeve 9 can be directly taken out of the handpiece shell 1.

A second transmission shaft 10 is rotatably arranged on the inner side of the handle shell 2, a third end face gear 11 meshed with the second end face gear 8 is sleeved at the left end part of the second transmission shaft 10, and a connector 13 is sleeved at the right end part of the second transmission shaft. Specifically, as shown in fig. 2, a limit structure surrounding the handle housing 2 by one circle is arranged on the inner wall of the front part of the handle housing 2, an external thread interface is fixed at the right end of the handpiece housing 1 and is in threaded connection with an internal thread interface at the left end of the handle housing 2, the bearing seat 12 is clamped between the external thread interface and the limit structure, so that the bearing seat 12 is fixed, an elastic sheet and a gasket are further arranged between the bearing seat 12 and the limit structure, the bearing seat 12 fixed on the inner side of the handle housing 2 is sleeved on the front part of the second transmission shaft 10 and is connected with the bearing seat 12 through an oil-containing sliding bearing, and the third end face gear 11 and the connector 13 are respectively fixed on the second transmission shaft 10 through cylindrical pins; the right side of the oil-containing sliding bearing on the rightmost side is abutted with a copper sleeve 17 which is sleeved on the second transmission shaft 10 in a sliding mode, the right side of the copper sleeve 17 is connected with a pin sleeve 19 which is sleeved at the left end portion of the connector 13 through a compression spring 18, and a cylindrical pin on the connector 13 is located on the inner side of the pin sleeve 19 and used for preventing the cylindrical pin on the connector 13 from falling out of a pin hole in the connector 13.

When in use, the connector 13 is connected with a connector on a motor in the prior art, the motor works to drive the transmission shaft II 10 to rotate, and further drive the transmission shaft I6 to rotate, and finally drive the gear shaft sleeve 4 and the needle on the inner side of the gear shaft sleeve to rotate together.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (6)

1. The utility model provides a long service life and easy card bending machine who processes which characterized in that: including aircraft nose casing (1), aircraft nose casing (1) right-hand member threaded connection have handle casing (2) and with the contained angle between handle casing (2) be the obtuse angle, the head downside threaded connection of aircraft nose casing (1) has protecgulum (3), the head inboard rotation of aircraft nose casing (1) is provided with gear shaft sleeve (4), the head upside of aircraft nose casing (1) is equipped with detachable car needle card (5), gear shaft sleeve (4) right side is equipped with rotates and sets up transmission shaft one (6) at aircraft nose casing (1) inboard, transmission shaft one (6) left end cup joints face gear one (7), the right-hand member portion cup joints face gear two (8) with gear shaft sleeve (4) engaged with, handle casing (2) inboard rotation is equipped with transmission shaft two (10), transmission shaft two (10) left end cup joints face gear three (11) with face gear two (8) engaged with, The right end is sleeved with a connector (13).

2. A long-life and easy-to-machine card bender according to claim 1, characterized in that: and the upper end part and the lower end part of the gear shaft sleeve (4) are respectively rotatably sleeved with a bearing fixed on the inner side of the handpiece shell (1).

3. A long-life and easy-to-machine card bender according to claim 1, characterized in that: the head of the handpiece shell (1) is provided with a groove for placing the needle clamping piece (5), the needle clamping piece (5) is fixed in the groove through a screw (14), and the right part of the needle clamping piece (5) is sleeved with a clamping piece rubber mat (15).

4. A long-life and easy-to-machine card bender according to claim 1, characterized in that: the middle of the first transmission shaft (6) is sleeved with a main shaft sleeve (9) fixed on the inner side of the machine head shell (1) and connected with the main shaft sleeve (9) through an oil-containing sliding bearing, a locking nut (16) which is inconsistent with the right end of the main shaft sleeve (9) is sleeved on the inner wall of the right end of the machine head shell (1) in a threaded mode, and the first end face gear (7) and the second end face gear (8) are fixed on the first transmission shaft (6) through cylindrical pins respectively.

5. A long-life and easy-to-machine card bender according to claim 1, characterized in that: the front part of the second transmission shaft (10) is sleeved with a bearing seat (12) fixed on the inner side of the handle shell (2) and connected with the bearing seat (12) through an oil-containing sliding bearing, and the third end face gear (11) and the connector (13) are respectively fixed on the second transmission shaft (10) through cylindrical pins.

6. A long-life and easy-to-machine card bender according to claim 5, characterized in that: the rightmost side oiliness slide bearing's right side is contradicted and is equipped with copper sheathing (17) that the slip cup jointed on transmission shaft two (10), copper sheathing (17) right side is connected with pin bush (19) that the cover was established at connector (13) left end portion through compression spring (18), the cylindric lock on connector (13) is located pin bush (19) inboardly.

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