Rotary tool capable of preventing outer surface of dental implant from being abraded

Abstract

The utility model discloses a rotating tool capable of avoiding wearing the outer surface of a tooth implant, which comprises a mechanical arm, an electric rotating tool, a connecting plate, a tool sleeve, a connecting rod, a bearing seat, a first rotating shaft, a driving motor, a ball bearing, an elastic reset mechanism, a clamping rubber block, an eccentric wheel and a second rotating shaft, and the electric rotating tool is fixedly arranged on the execution end of the mechanical arm. According to the rotating tool, a plurality of eccentric wheels are arranged to respectively extrude different height positions of the clamping rubber block, so that the clamping rubber block deforms to different degrees, all parts of the clamping rubber block can be tightly pressed and cohered with the outer surface of the dental implant, the friction force between the clamping rubber block and the outer surface of the dental implant is improved, the slipping problem is avoided, and the service life of the dental implant is prolonged. Therefore, the service life of the clamping rubber block can be prolonged, and the purpose of avoiding abrasion after the outer surface of the dental implant is clamped is achieved through the soft clamping rubber block.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dental implant technical field, especially is involved in a kind of rotary tools for avoiding abrasion dental implant outer surface. BACKGROUND

[0002] Oral implant is also called dental implant, which is implanted into the upper and lower alveolar bone of human body by surgical operation, and after the surgical wound is healed, the device for installing prosthetic tooth on its upper part is installed. When the rigid tool clamps the outer surface of the dental implant and is rotated into the jig table for high-temperature steam cleaning or ultrasonic cleaning, the outer thread of the outer surface of the dental implant is often extruded and deformed or scratched, and it is necessary to rotate it again for visual inspection after high-temperature steam cleaning or ultrasonic cleaning. Since the base body of the dental implant is a conical frustum structure, the local clamping force of the split rubber sleeve is too large, which causes a large amount of abrasion at the maximum diameter end of the split rubber sleeve, affecting the service life of the split rubber sleeve. SUMMARY

[0003] The utility model wants to solve technical problem: it is different to press tightly to the clamping rubber block different position separately, so that split rubber sleeve can be pressed tightly and held everywhere with the outer surface of dental implant.

[0004] In order to solve the above technical problem, the present application is realized by the following technical scheme: a rotary tool for avoiding abrasion dental implant outer surface, including mechanical arm, electric rotary tool, connecting plate, tool cover, connecting rod, bearing seat, first rotation axis, drive motor, ball bearing, elastic reset mechanism, clamping rubber block, eccentric wheel and second rotation axis, the electric rotary tool is fixedly installed on the execution end of mechanical arm, the connecting plate is fixedly installed on the rotary head of electric rotary tool, the tool cover is fixedly installed on the connecting plate through connecting rod, the tool cover is provided with the transverse through hole and longitudinal through hole communicated, two clamping rubber blocks are slidably installed in the transverse through hole, the second rotation axis is rotatably installed in the transverse through hole, a plurality of eccentric wheels are fixedly sleeved and installed on the second rotation axis, the diameter size of the eccentric wheel decreases gradually from top to bottom, the tool cover upper and lower parts are also provided with T-shaped groove communicated with the transverse through hole, the bearing seat is fixedly installed on the top of tool cover, the retainer of ball bearing is fixedly installed on the bearing seat, the drive motor is fixedly installed on the connecting plate, the first rotation axis lower end is fixedly installed in the rotator of ball bearing, the first rotation axis upper end is drivingly connected with the output shaft of drive motor, and the first rotation axis lower end is drivingly connected with the second rotation axis.

[0005] The elastic reset mechanism is composed of a sliding block, a guide rod and a spring, the lower end of the sliding block is fixedly connected with the clamping rubber block, the guide rod is fixedly installed in the tool cover through the T-shaped slot, the sliding block is also slidably sleeved on the guide rod, and the spring is sleeved on the guide rod, and the two ends of the spring act on the sliding block and the tool cover respectively.

[0006] Further, the wide-mouth structure with an inclined angle is arranged at the opening of the lower end of the longitudinal through hole.

[0007] Further, the T-shaped slot is fixedly installed with rubber anti-collision pads on the left and right sides of the opening.

[0008] Compared with the prior art, the utility model has the advantages that:

[0009] The rotating tool can extrude different height positions of the clamping rubber block through the multiple eccentric wheels, so that the clamping rubber block can be deformed to different degrees, the clamping rubber block can be pressed and held on the outer surface of the dental implant, the friction between the clamping rubber block and the outer surface of the dental implant is improved, and the service life of the clamping rubber block is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0010] The utility model will be further described below in combination with the drawings.

[0011] Figure 1 It is the internal structure schematic diagram of the utility model.

[0012] Figure 2 It is Figure 1 the enlarged structure schematic diagram of M of DETAILED DESCRIPTION

[0013] The utility model will be further described below in combination with the drawings.

[0014] For example, Figure 1 and Figure 2The utility model provides a kind of rotary tool for avoiding the outer surface of tooth implant to wear, including mechanical arm 1, electric rotary tool 2, connecting plate 3, tool cover 4, connecting rod 5, bearing seat 7, first rotating shaft 72, driving motor 73, ball bearing, elastic reset mechanism, clamping rubber block 9, eccentric wheel 91 and second rotating shaft 92, the electric rotary tool 2 is fixedly installed on the execution end of mechanical arm 1, the connecting plate 3 is fixedly installed on the rotary head of electric rotary tool 2, the tool cover 4 is fixedly installed on connecting plate 3 by connecting rod 5, the tool cover 4 is provided with the transverse through hole and longitudinal through hole 41 of intercommunication, two clamping rubber blocks 9 are slidably installed in transverse through hole, the second rotating shaft 92 is rotatably installed in transverse through hole, a plurality of eccentric wheels 91 are fixedly sleeved and installed on the second rotating shaft 92, the diameter size of the eccentric wheel 91 gradually decreases from top to bottom, the tool cover 4 upper and lower parts are also provided with T-shaped groove 42 communicated with transverse through hole, the bearing seat 7 is fixedly installed on the top of tool cover 4, the retainer of ball bearing is fixedly installed on bearing seat 7, the driving motor 73 is fixedly installed on connecting plate 3, the first rotating shaft 72 lower end is fixedly installed in the rotator of ball bearing, the first rotating shaft 72 upper end is drivingly connected with the output shaft of driving motor 73, and the first rotating shaft 72 lower end is drivingly connected with the second rotating shaft 92.

[0015] The elastic reset mechanism is composed of sliding block 8, guide rod 81 and spring 82, the lower end of the sliding block 8 is fixedly connected with the clamping rubber block 9, the guide rod 81 is fixedly installed in the tool cover 4 through T-shaped groove 42, the sliding block 8 is also slidably sleeved and installed on the guide rod 81, the spring 82 is sleeved and installed on the guide rod 81, and the two ends of the spring 82 act on the sliding block 8 and the tool cover 4 respectively.

[0016] The wide-mouth structure with bevel is arranged at the opening of the lower end of the longitudinal through hole 41, so as to facilitate the tooth implant 10 to enter the longitudinal through hole 41.

[0017] The T-shaped groove 42 is fixedly installed with rubber anti-collision pad 421 on the left and right sides of the opening, and the rubber anti-collision pad 421 limits the sliding block 8, to avoid that the sliding block 8 and the tool cover 4 generate rigid impact and cause excessive noise.

[0018] After the tooth implant 10 enters the longitudinal through hole 41, the driving motor 73 is started to drive the first rotating shaft 72, the second rotating shaft 92 and the eccentric wheel 91 to rotate. The eccentric wheel 91 extrudes the clamping rubber block 9 to move close to the tooth implant 10 in the rotating process, until the clamping rubber block 9 clamps and fixes the tooth implant 10. The rotating head of the electric rotary tool 2 is started to drive the combination of the connecting plate 3, the connecting rod 5 and the tool sleeve 4 to rotate, and then the tooth implant 10 is driven to rotate through the clamping rubber block 9, so as to realize the installation / dismounting operation of the tooth implant 10. After the eccentric wheel 91 is reversely rotated and reset under the driving of the driving motor 73, the clamping rubber block 9 moves outward and resets under the elastic force of the spring 82, so as to separate the clamping rubber block 9 from the tooth implant 10. The clamping rubber block 9 is internally fixedly installed with a support rod which can be bent and deformed. The upper end of the support rod is fixedly connected with the bottom of the sliding block 8, and the top of the clamping rubber block 9 is no longer fixedly connected with the sliding block 8, so that the clamping rubber block 9 has the characteristics of being bent and deformed after being extruded, and is not restricted by the fixed structure of the sliding block 8.

Claims

1. A rotary tool for avoiding wear on the outer surface of a dental implant, characterized in that: The utility model provides a kind of mechanical arm, it includes mechanical arm (1), electric rotary tool (2), connecting plate (3), tool sleeve (4), connecting rod (5), bearing seat (7), first rotating shaft (72), drive motor (73), ball bearing, elastic reset mechanism, clamping rubber block (9), eccentric wheel (91) and second rotating shaft (92), the electric rotary tool (2) is fixedly installed on the execution end of mechanical arm (1), the connecting plate (3) is fixedly installed on electric rotary tool (2) rotary head, the tool sleeve (4) is fixedly installed on connecting plate (3) by connecting rod (5), the tool sleeve (4) is provided with communicating transverse through hole and longitudinal through hole (41), two clamping rubber blocks (9) are slidably installed in transverse through hole, the second rotating shaft (92) is rotatably installed in transverse through hole, several eccentric wheels (91) are fixedly sleeved and installed on second rotating shaft (92), the diameter size of the eccentric wheel (91) decreases successively from top to bottom, the tool sleeve (4) upper and lower parts are also provided with T-shaped slot (42) being communicated with transverse through hole, the bearing seat (7) is fixedly installed on the top of tool sleeve (4), the retainer of ball bearing is fixedly installed on bearing seat (7), the drive motor (73) is fixedly installed on connecting plate (3), the first rotating shaft (72) lower end is fixedly installed in the rotator of ball bearing, the first rotating shaft (72) upper end is drivingly connected with the output shaft of drive motor (73), the first rotating shaft (72) lower end is drivingly connected with second rotating shaft (92). The elastic reset mechanism is composed of sliding block (8), guide rod (81) and spring (82), the lower end of the sliding block (8) is fixedly connected with the clamping rubber block (9), the guide rod (81) is fixedly installed in tool sleeve (4) through T-shaped slot (42), the sliding block (8) is also slidably sleeved and installed on guide rod (81), the spring (82) is sleeved and installed on guide rod (81), and the two ends of the spring (82) act on sliding block (8) and tool sleeve (4) respectively.

2. A rotary tool for avoiding wear on the outer surface of a dental implant according to claim 1, characterized in that: The wide-mouth structure with bevel is arranged at the opening of the lower end of the longitudinal through hole (41).

3. The rotary tool for avoiding wearing the outer surface of a dental implant according to claim 1, characterized in that: The rubber anti-collision pad (421) is fixedly installed on the left and right sides of the opening of the T-shaped slot (42).

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