CN212283870U

CN212283870U - Sealing structure of stirrer

Info

Publication number: CN212283870U
Application number: CN202020235030.1U
Authority: CN
Inventors: 吉卫华; 郭展鹏; 张伟城
Original assignee: HOP SHING METAL AND PLASTIC MANUFACTORY Ltd
Current assignee: HOP SHING METAL AND PLASTIC MANUFACTORY Ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2021-01-05
Anticipated expiration: 2030-02-28

Abstract

The utility model provides a seal structure of mixer, including the organism that has driving motor and the stirring vane who has the pivot, still include hollow connecting piece, pivot and stirring vane rotationally set up in the connecting piece, be provided with sealing connection structure between the one end of connecting piece and the organism, this sealing connection structure is including setting up the first assembly chamber in the one end of connecting piece, the organism can insert first assembly chamber, first elastic sealing ring sets up the bottom in first assembly chamber, meet with driving motor behind the one end of pivot passing first elastic sealing ring. The bottom of the first assembly cavity is provided with a first assembly step, the first elastic sealing ring is arranged on the first assembly step, an assembly hole for assembling the rotating shaft is formed in the inner side of the first assembly step, and the first elastic sealing ring is covered on the assembly hole. The utility model has the characteristics of easy operation.

Description

Sealing structure of stirrer

Technical Field

The utility model relates to a seal structure of mixer.

Background

Chinese patent document No. CN208466061U discloses a stirring rod assembly and a stirrer using the same in 2019, 02/05, wherein the stirring rod assembly comprises a connecting piece, a cutter shaft, a stirring knife and a reset assembly, the cutter shaft is arranged in the connecting piece, an upper sealing member and a lower sealing member are arranged between the connecting piece and the cutter shaft, the bottom end of the cutter shaft is connected with the stirring knife, and the top end of the connecting piece is provided with an upper sealing surface matched with the upper sealing member; the reset component is arranged in the connecting piece; when the top end of the cutter shaft is in transmission connection with the driving device, the driving device pushes and presses the cutter shaft to drive the upper sealing element to move downwards so as to be separated from the upper sealing surface to open the sealing; when the cutter shaft is disconnected with the driving device, the reset assembly drives the cutter shaft to drive the upper sealing piece to move upwards to be matched with the upper sealing surface to realize sealing. The upper sealing element in the stirring assembly is closed or opened along with the up-and-down movement of the cutter shaft, the structure is complex, and the sealing performance is not high, so the improvement is needed.

Disclosure of Invention

The utility model aims at providing an easy seal structure of mixer of operation to overcome the weak point among the prior art.

The sealing structure of the stirrer comprises a machine body with a driving motor and a stirring blade with a rotating shaft, and is characterized by further comprising a hollow connecting piece, wherein the rotating shaft and the stirring blade are rotatably arranged in the connecting piece, a sealing connecting structure is arranged between one end of the connecting piece and the machine body and comprises a first assembling cavity arranged at one end of the connecting piece, the machine body can be inserted into the first assembling cavity, a first elastic sealing ring is arranged at the bottom of the first assembling cavity, and one end of the rotating shaft is connected with the driving motor after penetrating through the first elastic sealing ring.

Further, the bottom of the first assembly cavity is provided with a first assembly step, the first elastic sealing ring is arranged on the first assembly step, an assembly hole for assembling the rotating shaft is formed in the inner side of the first assembly step, and the first elastic sealing ring is covered on the assembly hole.

Further, the end of the machine body is provided with an annular first boss and a second assembling step located on the periphery of the first boss, and the width of the second assembling step is larger than the distance between the outer edge of the first elastic sealing ring and the inner edge of the first assembling step.

Furthermore, the first assembly cavity is communicated with the assembly hole, and one end of the rotating shaft penetrates through the assembly hole and then is inserted into the first assembly cavity.

Furthermore, the sealing structure of the stirrer further comprises a bearing arranged in the assembly hole, and the middle lower part of the rotating shaft is sleeved in the bearing in a penetrating manner.

Furthermore, the other end of connecting piece is provided with second assembly chamber, and this second assembly chamber is linked together through pilot hole and first assembly chamber, and the safety cover cartridge is provided with the locating plate in the safety cover in the second assembly chamber, and second elastic sealing ring sets up in the locating plate, and the other end of pivot passes second elastic sealing ring and meets with stirring vane.

Further, the other end of the connecting piece is cup-shaped or bowl-shaped.

Further, one end of the connecting piece is cup-shaped or bowl-shaped.

The utility model discloses an organism with driving motor and stirring vane with pivot still include hollow connecting piece, pivot and stirring vane rotationally set up in the connecting piece, be provided with the sealing connection structure between one end of connecting piece and the organism, this sealing connection device includes the first assembly chamber that sets up in one end of connecting piece, the organism can insert in the first assembly chamber, first elastic seal ring sets up in the bottom in first assembly chamber, one end of pivot is passed first elastic seal ring and is met with driving motor; the organism can be quick through the structure of cartridge and install and dismantle between the connecting piece to the work efficiency of this product has been improved.

The end part of the machine body in the utility model is provided with an annular first boss and a second assembly step positioned at the periphery of the first boss, and the width of the second assembly step is larger than the distance between the outer edge of the first elastic sealing ring and the inner edge of the first assembly step; when the product is installed, the width of the second assembly step is larger than the distance between the outer edge of the first elastic sealing ring and the inner edge of the first assembly step, so that the machine body has enough space to move downwards and be inserted into the connecting piece, at the moment, the second assembly step is pressed on the outer peripheral part of the first elastic sealing ring, the first boss is positioned on the inner side of the second assembly step, the remaining inner peripheral part of the first elastic sealing ring except the outer peripheral part is positioned on the inner side of the second assembly step, and the first elastic sealing ring can be assembled and fixed in the first assembly cavity in various different modes, such as rubber coating, buckling connection, pin insertion, glue bonding, a pressurizing plate and the like. In the process that the machine body is pushed downwards, the first boss contacts downwards and pushes the inner circumferential part of the first elastic sealing ring until the second assembling step completely abuts against the top of the outer circumferential part of the first elastic sealing ring, at the moment, the inner circumferential part of the first elastic sealing ring is pushed downwards by the first boss until deformation is generated, and therefore the inner circumferential part of the first elastic sealing ring is separated from the rotating shaft.

When the product starts to work, because the rotating shaft and the first elastic sealing ring are in a separated state, friction cannot be generated between the rotating shaft and the first elastic sealing ring when the output shaft of the driving motor drives the rotating shaft to rotate, and the first elastic sealing ring is prevented from being damaged due to long-term friction with the rotating shaft, so that the sealing performance of the first elastic sealing ring is reduced; after the work is finished, the machine body is separated from the connecting piece, and at the moment, the first elastic sealing ring can bounce upwards under the elastic action of the first elastic sealing ring to restore the original shape and continue to be sleeved on the rotating shaft, so that the sealing performance of the product is enhanced.

In the bearing arranged in the assembly hole, the middle lower part of the rotating shaft is sleeved in the bearing; because the rotating shaft arranged in the connecting piece has a certain length, the lower part of the rotating shaft is easy to shake, and the rotating shaft is easy to deflect when rotating, so that the bearing can stably clamp the rotating shaft in the connecting piece, and the stability of the product is improved.

To sum up, the utility model has the characteristics of easy operation.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the machine body of the present invention.

Fig. 3 is a schematic structural diagram of the connecting member of the present invention.

Fig. 4 is a schematic view of the working effect of the present invention.

In the figure: 1 is the organism, 1.1 is first boss, 1.2 is first assembly step, 3 is the connecting piece, 3.1 is the pilot hole, 3.2 is first assembly chamber, 3.3 is the second assembly chamber, 4 is first elastic sealing ring, 5 is the pivot, 5.1 is stirring vane, 6 is driving motor, 7 is the bearing, 8 is the safety cover, 8.1 is the locating plate, 9 is second elastic sealing ring, d1 is the width of second assembly step, d2 is the distance of elastic sealing ring outward flange and first assembly step inward flange, 10 is second assembly step.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Referring to fig. 1-4, the sealing structure of the mixer comprises a body 1 with a driving motor 6 and a mixing blade 5.1 with a rotating shaft 5, and is characterized by further comprising a hollow connecting piece 3, wherein the rotating shaft 5 and the mixing blade 5.1 are rotatably arranged in the connecting piece 3, a sealing connection structure is arranged between one end of the connecting piece 3 and the body 1, the sealing connection structure comprises a first assembly cavity 3.2 arranged at one end of the connecting piece 3, the body 1 can be inserted into the first assembly cavity 3.2, a first elastic sealing ring 4 is arranged at the bottom of the first assembly cavity 3.2, and one end of the rotating shaft 5 is connected with the driving motor 6 after penetrating through the first elastic sealing ring 4.

The bottom of the first assembly cavity 3.2 is provided with a first assembly step 10, the first elastic sealing ring 4 is arranged on the first assembly step 10, an assembly hole 3.1 for assembling the rotating shaft 5 is arranged on the inner side of the first assembly step 10, and the first elastic sealing ring 4 covers the assembly hole 3.1.

The end of the machine body 1 is provided with a first annular boss 1.1 and a second assembly step 1.2 located at the periphery of the first boss 1.1, and the width d1 of the second assembly step 1.2 is greater than the distance d2 between the outer edge of the first elastic sealing ring 4 and the inner edge of the first assembly step 10.

The first assembly cavity 3.2 is communicated with the assembly hole 3.1, and one end of the rotating shaft 5 penetrates through the assembly hole 3.1 and then is inserted into the first assembly cavity 3.2.

The sealing structure of the stirrer further comprises a bearing 7 arranged in the assembling hole 3.1, and the middle lower part of the rotating shaft 5 is sleeved in the bearing 7 in a penetrating manner.

The other end of connecting piece 3 is provided with second assembly chamber 3.3, and this second assembly chamber 3.3 is linked together through pilot hole 3.1 and first assembly chamber 3.2, and 8 cartridge of safety cover are provided with locating plate 8.1 in the safety cover 8 in the second assembly chamber 3.3, and second elasticity sealing washer 9 sets up in locating plate 8.1, and the other end of pivot 5 passes second elasticity sealing washer 9 and meets with stirring vane 5.1.

The other end of the connecting piece 3 is cup-shaped or bowl-shaped.

One end of the connecting piece 3 is in a cup shape or a bowl shape.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience of description and for simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention, the terms "first" and "second" 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.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a seal structure of mixer, including organism (1) that has driving motor (6) and stirring vane (5.1) that has pivot (5), characterized by still includes hollow connecting piece (3), pivot (5) and stirring vane (5.1) rotationally set up in connecting piece (3), be provided with sealed connection structure between the one end of connecting piece (3) and organism (1), this sealed connection structure is including setting up first assembly chamber (3.2) in the one end of connecting piece (3), organism (1) can insert in first assembly chamber (3.2), first elastic seal circle (4) set up the bottom in first assembly chamber (3.2), meet with driving motor (6) after the one end of pivot (5) passes first elastic seal circle (4).

2. A sealing structure of a mixer according to claim 1, wherein the first assembly chamber (3.2) is provided at a bottom thereof with a first assembly step (10), the first elastic sealing ring (4) is provided on the first assembly step (10), an assembly hole (3.1) for assembling the rotation shaft (5) is provided inside the first assembly step (10), and the first elastic sealing ring (4) is covered on the assembly hole (3.1).

3. A sealing structure of a mixer according to claim 2, wherein the end of the body (1) is provided with a first boss (1.1) having a ring shape and a second fitting step (1.2) formed on the outer periphery of the first boss (1.1), and the width (d1) of the second fitting step (1.2) is larger than the distance (d2) between the outer edge of the first elastic sealing ring (4) and the inner edge of the first fitting step (10).

4. A sealing structure of a mixer according to claim 2, wherein the first fitting chamber (3.2) is communicated with the fitting hole (3.1), and one end of the rotary shaft (5) is inserted into the first fitting chamber (3.2) after passing through the fitting hole (3.1).

5. A sealing structure of a mixer according to claim 2, further comprising a bearing (7) provided in the fitting hole (3.1), wherein the lower middle portion of the rotating shaft (5) is inserted into the bearing (7).

6. A sealing structure of a blender according to claim 1, wherein the other end of the connecting piece (3) is provided with a second assembling cavity (3.3), the second assembling cavity (3.3) is communicated with the first assembling cavity (3.2) through an assembling hole (3.1), the protective cover (8) is inserted in the second assembling cavity (3.3), a positioning plate (8.1) is arranged in the protective cover (8), a second elastic sealing ring (9) is arranged in the positioning plate (8.1), and the other end of the rotating shaft (5) passes through the second elastic sealing ring (9) to be connected with the blending blade (5.1).

7. A sealing structure of a mixer according to claim 6, characterized in that the other end of the connecting member (3) is cup-shaped or bowl-shaped.

8. A sealing structure for a mixer according to claim 1, characterized in that one end of the connecting member (3) is cup-shaped or bowl-shaped.