阅读说明：本技术 一种万向连接头 (Universal connector ) 是由 杨金峰 张盛林 赵启文 孙世孔 张光武 于 2021-03-15 设计创作，主要内容包括：一种万向连接头,包括上连接头和下连接头,上连接头包括第一柱体,下连接头包括第二柱体,第二柱体一端周向设置有轴销和转动件,第一柱体对应轴销和转动件设置有滑槽,其中,第一柱体与第二柱体配合时,第二柱体的轴销和转动件嵌入在滑槽内,第二柱体通过轴销和转动件可在第二柱体竖直方向上下调节移动,第一柱体可围绕第二柱体做360度转动,其结构可大大降低高速旋转时,上连接头和下连接头的同轴、以及同心精度要求,降低了制造成本和制造难度,同时可以改善因上连接头和下连接头高速旋转时产生的噪音。本发明具有结构简单合理、制造成本低、操作灵活、振动小和噪声低等特点。(The utility model provides a universal connector, including last connector and lower connector, it includes first cylinder to go up the connector, the connector includes the second cylinder down, second cylinder one end circumference is provided with the pivot and rotates the piece, first cylinder corresponds the pivot and rotates the piece and is provided with the spout, wherein, when first cylinder and second cylinder cooperate, the pivot of second cylinder and the embedding of rotation piece are in the spout, the second cylinder passes through the pivot and rotates the piece and can adjust the removal from top to bottom in the vertical direction of second cylinder, 360 degrees rotations can be done around the second cylinder to first cylinder, when its structure can greatly reduced high-speed rotation, go up the coaxial and the concentric required precision of connector down, manufacturing cost and the manufacturing degree of difficulty have been reduced, can improve the noise that produces when upwards the connector rotates with lower connector high-speed simultaneously. The invention has the characteristics of simple and reasonable structure, low manufacturing cost, flexible operation, small vibration, low noise and the like.)

1. The utility model provides a universal connector, includes connector (A) and lower connector (B), its characterized in that: go up connector (A) including first cylinder (1), connector (B) includes second cylinder (2) down, second cylinder (2) one end circumference is provided with pivot (3) and rotates piece (4), and first cylinder (1) corresponds pivot (3) and rotates piece (4) and is provided with spout (1.1), and wherein, when first cylinder (1) cooperatees with second cylinder (2), pivot (3) and the embedding of rotating piece (4) of second cylinder (2) are in spout (1.1), and second cylinder (2) vertical removal is in spout (1.1), and first cylinder (1) can rotate around second cylinder (2).

2. The universal joint according to claim 1, wherein: the sliding grooves (1.1) are provided with a plurality of sliding grooves (1.1) which are uniformly distributed along the axial direction of the first cylinder (1).

3. The universal joint according to claim 2, wherein: the second cylinder (2) is in a shape of a cylinder with equal thickness or a polygon.

4. The universal joint according to claim 3, wherein: second cylinder (2) one end is provided with annular retainer plate (2.1), pivot (3) are provided with a plurality of, and a plurality of pivot (3) are located retainer plate (2.1) circumference, pivot (3) tip is provided with stopper (3.1), and wherein, rotate piece (4) and install in pivot (3) and rotate piece (4) and restrict between retainer plate (2.1) circumference edge and stopper (3.1).

5. The universal joint according to claim 4, wherein: gaps are reserved among the shaft pin (3), the rotating piece (4) and the sliding groove (1.1), and the second cylinder (2) moves along the direction of the shaft pin (3).

6. The universal joint according to claim 5, wherein: the rotating part (4) is at least a bearing, or a copper sleeve, or rubber.

7. The universal joint according to claim 2, wherein: the end part of the first column body (1) is uniformly provided with a plurality of rhombic or wedge-shaped convex parts (1.2).

8. The universal joint according to claim 1, wherein: still include the output shaft, first cylinder (1) one end is provided with stand (1.3), stand (1.3) are provided with output shaft complex mounting hole (1.31).

9. The universal joint according to claim 1, wherein: still include the motor, second cylinder (2) middle part is provided with mounting groove (2.2), and the input shaft and the mounting groove (2.2) drive of motor are connected.

Technical Field

The invention relates to a universal connector.

Background

At present, in household appliances in the market, such as a juice extractor, a blender, a food processor and the like, connectors of the household appliances are basically connected with rotating shafts of upper and lower connectors respectively, the connector form seen in the market has higher precision requirements on the upper and lower partial structures during manufacturing, and if the upper and lower coaxiality deviation is larger or has deflection, great noise can be generated during rotation and heat is serious. Especially, after the rotating speed is ten thousand revolutions per minute, the requirement on the coaxiality of the upper part and the lower part is higher, the machine slightly deflects, the vibration is very large when the machine rotates at a high speed, the noise and the heating phenomenon are also very serious, and the machine is very dangerous. In the prior art, other transmission modes still have the problems, and the problems of high requirement on manufacturing precision, high cost, high manufacturing difficulty and the like are not fundamentally solved.

Chinese patent document No. CN205988241U discloses a driver for food processor in 2016, 06, 20, which specifically discloses a driver for food processor, comprising a body, a connecting seat and a lantern ring, wherein the body is formed by connecting a connecting rod and a connecting head, the bottom of the connecting seat is provided with a connecting shaft hole, the bottom surface of the connecting seat is provided with a latch groove communicated with the connecting shaft hole, the top of the connecting seat is provided with a circular counter bore, the top of the connecting head is provided with a driven shaft hole, the inner wall of the driven shaft hole is distributed with a plurality of vertical inner racks, the lantern ring is circular, the caliber of the inner ring hole of the lantern ring is consistent with that of the driven shaft hole, the inner ring wall of the lantern ring is provided with a plurality, the body is that plastic material integrated into one piece preparation forms, and connecting seat, lantern ring are that metal material integrated into one piece preparation forms, and connecting seat, lantern ring set up the connecting rod respectively through the technology of preheating the implantation and connect the internal. However, the coaxial and concentric precision of the structure has the problems of certain deviation, difficult assembly and the like, and the noise and the vibration are large in the high-speed operation process, so that great noise pollution is generated to the operation environment.

Therefore, further improvements are desired.

Disclosure of Invention

The universal connector has the advantages of simple and reasonable structure, low manufacturing cost, flexibility in operation, small vibration and low noise, ensures the coaxiality and concentricity precision requirements of the assembly of the upper connector and the lower connector, and effectively reduces the difficulty of the installation process, so as to overcome the defects in the prior art.

According to the universal connector of this purpose design, including last connector and lower connector, its characterized in that: go up the connector and include first cylinder, the connector includes the second cylinder down, second cylinder one end circumference is provided with the pivot and rotates the piece, and first cylinder corresponds the pivot and rotates the piece and be provided with the spout, and wherein, when first cylinder and second cylinder cooperate, the pivot of second cylinder with rotate the piece embedding in the spout, and the vertical removal of second cylinder is in the spout, first cylinder can rotate around the second cylinder.

The spout is provided with a plurality of, and the axial equipartition of a plurality of spout edge first cylinder.

The second cylinder is in the shape of an equal-thickness cylinder or a polygon.

The utility model discloses a fixing device for a motor vehicle, including the first column body, the second column body one end is provided with annular retainer plate, the pivot is provided with a plurality of, and a plurality of pivot is located retainer plate circumference, the pivot tip is provided with the stopper, and wherein, rotate the piece and install in the pivot, and rotate the restriction between retainer plate circumference edge and stopper.

Gaps are reserved among the shaft pin, the rotating piece and the sliding groove, and the second column body moves along the shaft pin direction.

The rotating part is at least a bearing, or a copper sleeve, or rubber.

The end part of the first column body is uniformly provided with a plurality of protrusions in a diamond shape or a wedge shape.

The universal joint still include the output shaft, first cylinder one end is provided with the stand, the stand be provided with output shaft complex mounting hole.

The universal connector still include the motor, second cylinder middle part is provided with the mounting groove, the input shaft and the mounting groove drive of motor are connected.

The universal connector adopted by the invention comprises an upper connector and a lower connector, wherein the upper connector comprises a first cylinder, the lower connector comprises a second cylinder, one end of the second cylinder is circumferentially provided with a shaft pin and a rotating piece, the first cylinder is provided with a chute corresponding to the shaft pin and the rotating piece, when the first cylinder is matched with the second cylinder, the shaft pin and the rotating piece of the second cylinder are embedded in the chute, the second cylinder can vertically adjust and move in the vertical direction of the second cylinder through the shaft pin and the rotating piece, and the first cylinder can rotate 360 degrees around the second cylinder. The vibration isolation device has the characteristics of simple and reasonable structure, low manufacturing cost, flexibility in operation, small vibration, low noise and the like.

Drawings

Fig. 1 is an exploded schematic view of an upper connector and a lower connector according to an embodiment of the present invention.

Fig. 2 is a schematic view (bottom view) illustrating an assembly structure of the upper connector and the lower connector according to an embodiment of the present invention.

Fig. 3 is a schematic view (cross section) of an assembly structure of an upper connector and a lower connector according to an embodiment of the present invention.

Fig. 4 is another view-angle assembly structure diagram of the upper connector and the lower connector according to an embodiment of the invention.

Fig. 5 is a sectional view taken along the line a-a in fig. 4.

Wherein, the correspondence between the reference numbers and the part names in fig. 1 to 5 is:

a-upper connector, B-lower connector, 1-first cylinder, 1.1-chute, 1.2-boss, 1.3-column, 1.31-mounting hole, 2-second cylinder, 2.1-fixing ring, 2.2-mounting groove, 3-axle pin, 3.1-limiting block, 4-rotating piece.

Detailed Description

The invention is further described with reference to the following figures and examples.

Referring to fig. 1-5, this universal joint, including last connector a and lower connector B, it includes first cylinder 1 to go up connector a, lower connector B includes second cylinder 2, 2 one end circumference of second cylinder is provided with pivot 3 and rotates piece 4, first cylinder 1 corresponds pivot 3 and rotates piece 4 and is provided with spout 1.1, wherein, when first cylinder 1 cooperatees with second cylinder 2, pivot 3 and the 4 embedding of rotating of second cylinder 2 are in spout 1.1, and second cylinder 2 vertical migration is in spout 1.1, first cylinder 1 can rotate around second cylinder 2.

Specifically, the second cylinder 2 can be adjusted and moved up and down in the vertical direction of the second cylinder 2 through the shaft pin 3 and the rotating piece 4, and even if the second cylinder 2 or the second cylinder 2 is eccentric during assembly, noise caused by collision and/or friction between the second cylinder 2 and the chute 1.1 of the first cylinder 1 can be reduced through the movement of the second cylinder 2; first cylinder 1 can do 360 degrees rotations around second cylinder 2, be gear drive mechanism usually for prior art, the operation of drive belt among the gear drive mechanism through year month can relax gradually, cause the transmission ability to descend, lose even, and the vibration will be very big when high-speed rotatory, the noise also can be very serious with the phenomenon of generating heat, above-mentioned situation then can not appear in this universal connector, but when greatly reduced high-speed rotatory, go up the coaxial and concentric required precision of connector A and lower connector B, manufacturing cost and the manufacturing degree of difficulty have been reduced, can improve the noise that produces when upwards connector A and lower connector B high-speed rotatory simultaneously.

Referring to fig. 2, the sliding grooves 1.1 are provided with a plurality of sliding grooves 1.1, and the plurality of sliding grooves 1.1 are uniformly distributed along the axial direction of the first column body 1. Specifically, the number of the chutes 1.1 may be set according to the number of the shaft pins 3 and the rotating members 4, and the number of the chutes 1.1 is not particularly limited.

Referring to fig. 1, the second cylinder 2 is in the shape of an equal-thickness cylinder or polygon. The shape of the second column 2 is not limited, and includes a rectangle, a square, a cylinder, an ellipse, or a trapezoid.

Referring to fig. 1, one end of the second cylinder 2 is provided with an annular fixing ring 2.1, the shaft pin 3 is provided with a plurality of shaft pins 3, the shaft pins 3 are located in the circumferential direction of the fixing ring 2.1, and the end of the shaft pin 3 is provided with a limiting block 3.1, wherein the rotating piece 4 is installed in the shaft pin 3, and the rotating piece 4 is limited between the circumferential edge of the fixing ring 2.1 and the limiting block 3.1. So that rotate piece 4 and can more stably rotate between retainer plate 2.1 circumference and stopper 3.1, and then ensure to rotate piece 4 and can not take place the skew, connector B even running under the assurance prevents to rotate the noise that piece 4 caused because of collision and/or friction.

Referring to fig. 2, 3 and 5, a gap is left among the shaft pin 3, the rotating piece 4 and the sliding chute 1.1, and the second cylinder 2 moves along the shaft pin 3. Can conveniently adjust second cylinder 2 to make and go up connector A and lower connector B corresponding position accurate enough, guarantee the coaxial and concentric required precision of connector A and lower connector B, reduced manufacturing cost and the manufacturing degree of difficulty.

Referring to fig. 1, the rotating member 4 is at least a bearing, or a copper sleeve, or rubber. The number of the rotating pieces 4 is preferably 3, and the rotating pieces are arranged in a central symmetry manner, so that the transmission operation is smoother, and the noise reduction effect is optimal. In other embodiments, the number of the rotating members 4 may be two or six, etc.

Referring to fig. 3, a plurality of rhombic or wedge-shaped protrusions 1.2 are uniformly distributed at the end of the first column body 1. In particular, the projection 1.2 is preferably wedge-shaped, with a cross section that increases from small to large.

The universal joint still includes output shaft (not shown), and first cylinder 1 one end is provided with stand 1.3, and stand 1.3 is provided with the mounting hole 1.31 with output shaft complex.

The universal joint still includes motor (not shown), and 2 middle parts of second cylinder are provided with mounting groove 2.2, and the input shaft and the mounting groove 2.2 drive of motor are connected.

It should be noted that, this universal connector is applied to the cooking machine, and the cooking machine can be broken wall machine, stock juice machine, juice extractor, soybean milk machine, mixer or other kinds of domestic appliance, as long as be provided with the motor in this cooking machine to have the function of whipping food can.

The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is intended to be protected by the following claims. The scope of the invention is defined by the appended claims and equivalents thereof.