CN211284806U

CN211284806U - Wear-resistant dental articulator component

Info

Publication number: CN211284806U
Application number: CN201922011760.3U
Authority: CN
Inventors: 邹恒春
Original assignee: Dongguan Jianglong Intelligent Technology Co Ltd
Current assignee: Dongguan Jianglong Intelligent Technology Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2020-08-18
Anticipated expiration: 2029-11-20

Abstract

A wear resistant dental articulator assembly comprising: the cloth feeding device comprises a main shaft (1), a connecting shaft (2), an auxiliary shaft (3), a driven shaft (4), a tooth frame (5) and a cloth feeding tooth (6), wherein the rear end of the main shaft (1) is connected with the rear end of the auxiliary shaft (3) through the connecting shaft (2), the left end of the tooth frame (5) is connected with the front end of the driven shaft (4), the right end of the tooth frame (5) is connected with the front end of the auxiliary shaft (3), the cloth feeding tooth (6) is fixed at the upper end of the tooth frame (5), a cam (11) is protruded at the front end of the main shaft (1), and the cam (11) is in contact with the lower end of the tooth frame (5). For the dental articulator component with the structure, the impact force generated by the dental articulator component can be buffered in the process of moving up and down, and the cam and even the spindle are effectively prevented from being damaged.

Description

Wear-resistant dental articulator component

Technical Field

The utility model relates to a dental articulator subassembly especially relates to a dental articulator subassembly that resistance to wears.

Background

A sewing machine is a machine that uses one or more sewing threads to form one or more stitches in a material to be sewn, thereby interweaving or stitching one or more layers of material. The carrier assembly is an assembly for feeding cloth on a sewing machine, and the sewing machine performs a sewing operation while feeding the cloth.

The conventional sewing machine generally connects a main shaft with a shuttle shaft of a shuttle race to control the rotation of the shuttle race, and an eccentric wheel is arranged on the main shaft for controlling a feed dog in a dog frame assembly to move up and down (the structure can refer to chinese patent CN204780157U) so as to perform the feed operation up and down, so the main shaft is also called as a feed lifting shaft; in addition, a sub shaft (also referred to as a cloth feeding shaft) is usually provided in the sewing machine, and the sub shaft is swingable in accordance with the rotation of the main shaft and controls the swing back and forth of the carrier to perform a cloth feeding operation.

However, with the above-mentioned dental articulator assembly, the impact force is directly applied to the cam of the spindle during the up-and-down movement of the feed dog, which is prone to wear of the cam, and even to breakage and damage of the spindle, resulting in frequent replacement of the spindle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses technical scheme is to above-mentioned condition, provides an anti-wear dental articulator subassembly in order to solve above-mentioned problem, dental articulator subassembly includes: the cloth feeding device comprises a main shaft, a connecting shaft, an auxiliary shaft, a driven shaft, a tooth frame and a cloth feeding tooth, wherein a cam is arranged at the front end of the main shaft in a protruding mode and is in contact with the lower end of the tooth frame, a main swing rod is arranged at the rear end of the main shaft in a protruding mode, and a sliding block is arranged at the outer end of the main swing rod; a connecting swing rod is protruded at the rear end of the connecting shaft, a sliding rail is protruded at the middle part of the connecting shaft, a first bump is protruded at the front end of the connecting shaft, and the sliding block is movably arranged in the sliding rail; a first lug interface is protruded at the rear end of the auxiliary shaft, a second lug is protruded at the front end of the auxiliary shaft, and the first lug is inserted into the first lug interface; the right end of the tooth frame is provided with a second lug interface, the left end of the tooth frame is provided with a connecting cylinder, and the second lug is inserted into the second lug interface; the rear end of driven shaft is protruding to have driven pendulum rod, the front end of driven shaft is protruding to have two brace tables, the connecting cylinder is located between two brace tables, the guide rail has in the brace table, dental articulator subassembly still includes: the bolt penetrates through the guide rail and is inserted into the connecting cylinder, the spring is positioned in the guide rail, one end of the spring is abutted against the bolt, and the other end of the spring is abutted against the inner wall of the guide rail.

Further, the front end of the main shaft is also provided with a shuttle race.

Further, the cam and the dental articulator are both formed of tungsten steel material.

Further, the auxiliary shaft is provided with a shaft barrel and a shaft body, the shaft body is inserted into the shaft barrel, a rubber ring is arranged between the shaft body and the shaft barrel, the inner wall of the rubber ring is abutted to the shaft body, and the outer wall of the rubber ring is abutted to the shaft barrel.

After the technical scheme is adopted, the utility model discloses an effect is: the dental articulator component with the structure can buffer the impact force generated by the dental articulator component in the process of moving the dental articulator up and down, and effectively prevents the cam and even the spindle from being damaged.

Drawings

Fig. 1 is a schematic view of a dental articulator assembly according to the present invention;

fig. 2 is a schematic view of a spindle according to the present invention;

fig. 3 is a schematic view of a connecting shaft according to the present invention;

fig. 4 is a schematic view of a countershaft according to the present invention;

fig. 5 is a schematic view of a driven shaft according to the present invention;

fig. 6 is a schematic view of a dental articulator according to the present invention.

Detailed Description

It is specifically noted that the terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture, and if the specific posture is changed, the directional indicator is changed accordingly.

The technical solution of the present invention is further described below by way of examples:

the utility model provides a wear-resistant dental articulator subassembly, as shown in figure 1, dental articulator subassembly includes: the cloth feeding device comprises a main shaft 1, a connecting shaft 2, an auxiliary shaft 3, a driven shaft 4, a tooth frame 5 and a cloth feeding tooth 6, wherein the rear end of the main shaft 1 is connected with the rear end of the auxiliary shaft 3 through the connecting shaft 2, the left end of the tooth frame 5 is connected with the front end of the driven shaft 4, the right end of the tooth frame 5 is connected with the front end of the auxiliary shaft 3, and the cloth feeding tooth 6 is fixed at the upper end of the tooth frame 5. When the tooth frame assembly works, the main shaft 1 rotates under the driving of a motor of the sewing machine, the connecting shaft 2 swings back and forth at 120 degrees along with the rotation of the main shaft 1 and drives the auxiliary shaft 3 to rotate back and forth at 90 degrees, and the auxiliary shaft 3 drags the tooth frame 5 to move back and forth along the left and right directions, so that the cloth feeding operation is completed. Further, as shown in fig. 2, a cam 11 is protruded at the front end of the main shaft 1, and the cam 11 is in contact with the lower end of the dental articulator 5. The cam 11 can control the up and down movement of the dental articulator 5.

Specifically, with continuing reference to fig. 2, a main swing link 12 protrudes from the rear end of the main shaft 1, and a slider 13 is disposed at the outer end of the main swing link 12; as shown in fig. 3, a connecting swing rod 21 protrudes from the rear end of the connecting shaft 2, a slide rail 22 protrudes from the middle, a first bump 23 protrudes from the front end, and the slider 13 is movably disposed in the slide rail 22; as shown in fig. 4, a first lug interface 31 protrudes from the rear end of the auxiliary shaft 3, a second lug 32 protrudes from the front end of the auxiliary shaft 3, and the first lug 23 is inserted into the first lug interface 31; as shown in fig. 6, the dental articulator 5 has a second lug interface 51 at the right end and a connecting cylinder 52 at the left end, and the second lug 32 is inserted into the second lug interface 51; the utility model discloses in, as shown in fig. 5, driven shaft 4's rear end arch has driven pendulum rod 41, and driven shaft 4's front end arch has two supporting platforms 42, and connecting cylinder 52 is located between two supporting platforms 42, has guide rail 43 in the supporting platform 42, and guide rail 43 extends along the bellied direction of supporting platform 42, and the dental articulator subassembly still includes: two bolts 7 and two springs 8, the bolt 7 passes through the guide rail 43 and is inserted into the connecting cylinder 52, the spring 8 is positioned in the guide rail 43, one end of the spring 8 is abutted with the bolt 7, and the other end is abutted with the inner wall of the guide rail 43. In the process of up-and-down movement of the feed dog 6, the spring 8 can play a role in buffering the impact force of the feed dog 6, and damage to the cam 11 is avoided.

Specifically, the front end of the main shaft 1 also has a shuttle bed 14. The rotating shuttle can be fixed on the shuttle race 14, and the bronze drum shuttle race 14 drives the rotating shuttle to rotate so as to carry out the thread feeding operation.

Specifically, the cam 11 and the dental articulator 5 are both formed of tungsten steel material. The tungsten steel has higher hardness and less abrasion in the process of matching the tooth rack 5 with the cam 11. The overall service life of the dental articulator assembly can be extended.

Specifically, the sub shaft 3 includes a shaft tube 33 and a shaft body 34, the shaft body 34 is inserted into the shaft tube 33, a rubber ring 35 is provided between the shaft body 34 and the shaft tube 33, an inner wall of the rubber ring 35 abuts against the shaft body 34, and an outer wall abuts against the shaft tube 33. Through setting up rubber circle 35 on the one hand can make axis body 34 fix in axle cylinder 33, on the other hand can play the cushioning effect, avoids countershaft 3 impaired under the impact force effect of dental articulator 5.

Therefore, the dental articulator component with the structure can buffer the impact force generated by the dental articulator in the process of moving up and down, and effectively prevents the cam and even the main shaft from being damaged.

The above-mentioned embodiments are merely preferred examples of the present invention, and do not limit the scope of the present invention, so all equivalent changes or modifications made by the structure, features and principles of the present invention should be included in the claims of the present invention.

Claims

1. A wear resistant dental articulator component, the dental articulator component comprising: the cloth feeding device comprises a main shaft (1), a connecting shaft (2), an auxiliary shaft (3), a driven shaft (4), a tooth frame (5) and a cloth feeding tooth (6), wherein a cam (11) protrudes from the front end of the main shaft (1), the cam (11) is in contact with the lower end of the tooth frame (5), a main swing rod (12) protrudes from the rear end of the main shaft (1), and a sliding block (13) is arranged at the outer end of the main swing rod (12); a connecting swing rod (21) protrudes from the rear end of the connecting shaft (2), a sliding rail (22) protrudes from the middle of the connecting shaft, a first bump (23) protrudes from the front end of the connecting shaft, and the sliding block (13) is movably arranged in the sliding rail (22); a first lug interface (31) is protruded at the rear end of the auxiliary shaft (3), a second lug (32) is protruded at the front end of the auxiliary shaft (3), and the first lug (23) is inserted into the first lug interface (31); the right end of the dental articulator (5) is provided with a second lug interface (51), the left end is provided with a connecting cylinder (52), and the second lug (32) is inserted into the second lug interface (51); the method is characterized in that: the rear end of driven shaft (4) is protruding to have driven pendulum rod (41), the front end of driven shaft (4) is protruding to have two supporting platforms (42), connecting cylinder (52) are located between two supporting platforms (42), guide rail (43) have in supporting platform (42), dental unit subassembly still includes: the bolt (7) penetrates through the guide rail (43) and is inserted into the connecting cylinder (52), the spring (8) is located in the guide rail (43), one end of the spring (8) abuts against the bolt (7), and the other end of the spring abuts against the inner wall of the guide rail (43).

2. The wear-resistant dental bracket assembly of claim 1, wherein: the front end of the main shaft (1) is also provided with a shuttle race (14).

3. The wear-resistant dental bracket assembly of claim 1, wherein: the cam (11) and the dental articulator (5) are both formed from tungsten steel material.

4. The wear-resistant dental bracket assembly of claim 3, wherein: the auxiliary shaft (3) is provided with a shaft barrel (33) and a shaft body (34), the shaft body (34) is inserted into the shaft barrel (33), a rubber ring (35) is arranged between the shaft body (34) and the shaft barrel (33), the inner wall of the rubber ring (35) is abutted against the shaft body (34), and the outer wall of the rubber ring is abutted against the shaft barrel (33).