CN218863111U

CN218863111U - Connecting device for sealing stirrer

Info

Publication number: CN218863111U
Application number: CN202223410334.5U
Authority: CN
Inventors: 刘云甲
Original assignee: Changzhou Domt Sealing Technology Co ltd
Current assignee: Changzhou Domt Sealing Technology Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-04-14
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a connecting device is used in mixer is sealed, including generating heat dish and bearing housing, the dish that generates heat is equipped with the mounting groove, the bearing housing has the installation department at least, the installation department assembles into the mounting groove, the installation department at least with the cell wall contact complex position of mounting groove is equipped with the damping element that makes an uproar that falls. It can further reduce the transmission of vibration and the generation of noise.

Description

Connecting device for sealing stirrer

Technical Field

The utility model relates to a connecting device for mixer sealing belongs to the sealed technical field of mixer.

Background

At present, a mixer generally comprises a rotating shaft, a heating disc and a bearing sleeve, wherein the bearing sleeve is arranged on the heating disc, a bearing is arranged in the bearing sleeve, the rotating shaft is supported on the bearing sleeve through the bearing, an oil seal is arranged between the rotating shaft and the bearing sleeve or the heating disc, when the mixer with the structure works, the rotating shaft rotates and can transmit vibration generated by the rotating shaft to the heating disc, so that vibration and noise are large, and therefore the vibration and noise phenomena generated by the mixer need to be reduced.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art's defect, provide a connecting device is used in mixer sealing, it can further reduce the transmission of vibrations and the production of noise.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides a connecting device is used in mixer is sealed, is equipped with the mounting groove including generating heat set and bearing housing, the dish that generates heat, the bearing housing has the installation department at least, the installation department assembles into the mounting groove, the installation department at least with the cell wall contact complex position of mounting groove is equipped with the damping element that makes an uproar that falls.

Furthermore, the noise-reducing and shock-absorbing element is integrally formed on the bearing sleeve in a vulcanization molding mode or in a tight fit mode or in a gluing mode.

Further, in order to reduce the transmission of vibration generated in the axial direction and the generation of noise, the mounting groove comprises an axial groove wall, and the noise reduction and vibration reduction element comprises an axial vibration reduction part which is in contact fit with the axial groove wall.

Furthermore, at least one contact protrusion protruding towards the axial groove wall is arranged at the position of the axial shock absorption part, which is in contact fit with the axial groove wall.

Further, in order to reduce the transmission of vibration and noise generated in the radial direction, the mounting groove includes a radial groove wall, and the noise reduction and vibration reduction element includes a radial vibration reduction portion in contact fit with the radial groove wall.

Further, the outer wall of the bearing sleeve is provided with a concave groove which is concave inwards, and the radial damping part is accommodated in the concave groove.

Furthermore, the connecting device for sealing the stirring machine further comprises a rotating shaft, the rotating shaft is supported on the bearing sleeve through at least one bearing, and the rotating shaft penetrates through a rotating shaft hole in the heating plate.

Furthermore, in order to reduce the vibration and noise generated by the bearing, at least one noise-reducing and shock-absorbing ring is arranged between the outer wall of the bearing and the inner wall of the bearing sleeve.

Furthermore, an oil seal is arranged between the rotating shaft and the bearing sleeve.

Further, the oil blanket includes outer oil blanket and the interior oil blanket that the cooperation is in the same place, the outer wall cooperation of outer oil blanket is on bearing housing and/or the dish that generates heat, the outer wall cooperation of interior oil blanket is in on the internal face of outer oil blanket, the internal face of outer oil blanket still inwards extends first seal lip, the internal face of interior oil blanket inwards extends second seal lip and third seal lip, first seal lip, second seal lip and third seal lip embrace the pivot.

After the technical scheme is adopted, the utility model discloses be equipped with noise reduction damping element on the bearing housing, through noise reduction damping element and the cell wall of the mounting groove of heating plate carry out the contact fit, the utility model discloses a noise reduction damping element has completely separated the mounting groove of heating plate and the connection of bearing housing, and the effect of shock attenuation and noise reduction is greatly increased, and because the setting of noise reduction damping element, the life of oil blanket is further improved; additionally, the utility model discloses a still carry out the shock attenuation and fall the processing of making an uproar through falling the damping ring that makes an uproar between bearing and the bearing housing, vibrations and the noise that produces further reduce.

Drawings

FIG. 1 is a schematic structural view of a sealing connection device for a blender according to the present invention;

FIG. 2 isbase:Sub>A sectional view taken along line A-A of FIG. 1;

fig. 3 is an enlarged view of a portion B in fig. 2.

Detailed Description

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.

As shown in fig. 1 to 3, the connecting device for sealing the stirring machine comprises a heating disc 1 and a bearing sleeve 2, wherein the heating disc 1 is provided with a mounting groove, the bearing sleeve 2 is provided with a mounting part, the mounting part is assembled into the mounting groove, and at least a part of the mounting part, which is in contact fit with the groove wall of the mounting groove, is provided with a noise reduction and vibration reduction element 3.

In the present embodiment, the noise-reducing and vibration-attenuating elements 3 are made of rubber or silicone.

In this embodiment, the noise-reducing and shock-absorbing elements 3 can be integrally formed by vulcanization or tightly fitted or glued to the bearing housing 2.

In the present embodiment, as shown in fig. 2, the mounting groove includes an axial groove wall 11 and a radial groove wall 12, the longitudinal section of the mounting groove formed by connecting the axial groove wall 11 and the radial groove wall 12 is an L-shaped structure, the radial groove wall 12 is a peripheral wall, and specifically, the noise reduction and vibration reduction element 3 includes an axial vibration reduction portion 31 in contact with the axial groove wall 11 and a radial vibration reduction portion 32 in contact with the radial groove wall 12. The noise-reducing and vibration-damping element 3, which is formed by connecting the axial vibration-damping portion 31 and the radial vibration-damping portion 32, has an L-shaped longitudinal cross section, and the radial vibration-damping portion 32 has a peripheral wall structure.

Thus, in the present embodiment, the axial vibration absorbing portion 31 can reduce the transmission of vibration and noise in the axial direction, the radial vibration absorbing portion 32 can reduce the transmission of vibration and noise in the radial direction well, the noise reduction damping element 3 completely separates the connection between the mounting groove of the heating plate 1 and the bearing housing 2, and the vibration absorbing and noise reducing effects are greatly increased.

In the present embodiment, as shown in fig. 2, the axial direction shock-absorbing portion 31 is provided with three contact protrusions 31a protruding toward the axial direction groove wall 11 at least at a portion contacting and cooperating with the axial direction groove wall 11, and each contact protrusion 31a is annularly provided; the number of the contact protrusions 31a may be set according to specific requirements, and is not limited to three.

In the present embodiment, as shown in fig. 2, the outer wall of the bearing housing 2 is provided with a recessed groove recessed inward, and the radial direction shock-absorbing part 32 is accommodated in the recessed groove; the outer wall surface of the radial damper portion 32 may be disposed flush with the outer wall surface of the bearing housing 2 outside the recess groove.

As shown in figure 2, the connecting device for sealing the stirrer further comprises a rotating shaft 4, the rotating shaft 4 is supported on the bearing sleeve 2 through two bearings 5 which are axially arranged in parallel, and the rotating shaft 4 penetrates through a rotating shaft hole 13 on the heating plate 1.

Specifically, a bearing groove is formed in the bearing sleeve 2, the two bearings 5 are accommodated in the bearing groove, the two bearings 5 are spaced by a spacer, and finally the two bearings are clamped by a clamp spring 8.

As shown in fig. 2, two noise-reducing and shock-absorbing rings 6 are arranged between the outer wall of each bearing 5 and the inner wall of the bearing sleeve 2; specifically, be equipped with the recess on the outer wall of bearing 5, in 6 holding recesses of the damping ring that makes an uproar falls, the outer wall of the damping ring 6 that makes an uproar falls contacts with the inner wall of bearing housing 2. The generation of vibration and noise generated through the bearing 5 can be reduced by the provision of the noise-reducing and shock-absorbing rings 6. The noise and shock reducing ring 6 may be made of rubber or silica gel.

As shown in fig. 2 and 3, an oil seal 7 is further arranged between the rotating shaft 4 and the bearing sleeve 2, and the oil seal 7 is specifically positioned between the bearing 5 and the rotating shaft hole 13.

As shown in fig. 3, the specific structure of the oil seal 7 may include an outer oil seal 71 and an inner oil seal 72 which are fitted together, an outer wall surface of the outer oil seal 71 is fitted on the bearing housing 2 and/or the heat generating plate 1, an outer wall surface of the inner oil seal 72 is fitted on an inner wall surface of the outer oil seal 71, an inner wall surface of the outer oil seal 71 further extends inward to form a first seal lip 71a, an inner wall surface of the inner oil seal 72 extends inward to form a second seal lip 72a and a third seal lip 72b, and the first seal lip 71a, the second seal lip 72a and the third seal lip 72b embrace the rotating shaft 4.

In the present embodiment, the service life of the oil seal 7 is greatly improved due to the provision of the noise reduction and vibration reduction element 3.

In the present embodiment, the rotating shaft 4 is provided with the stirring blade 41 outside the rotating shaft hole 13 (i.e., at the upper end of the rotating shaft 4), and the lower end of the rotating shaft 4 is provided with the coupling 42.

The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a connecting device is used in mixer is sealed, includes dish (1) and bearing housing (2) that generate heat, and dish (1) that generates heat is equipped with the mounting groove, a serial communication port, bearing housing (2) have the installation department at least, the installation department assembles into the mounting groove, the installation department at least with the cell wall contact complex position of mounting groove is equipped with damping element (3) of making an uproar falls.

2. The sealing and connecting device for a mixer according to claim 1,

and the noise-reducing and shock-absorbing element (3) is integrally vulcanized and molded or is tightly matched or glued on the bearing sleeve (2).

3. The sealing and connecting device for a mixer according to claim 1,

the mounting groove comprises an axial groove wall (11), and the noise-reducing and shock-absorbing element (3) comprises an axial shock-absorbing part (31) in contact fit with the axial groove wall (11).

4. The sealing and connecting device for a mixer according to claim 3,

the axial shock absorption part (31) is provided with at least one contact bulge (31 a) protruding towards the axial groove wall (11) at least at the part contacted and matched with the axial groove wall (11).

5. The sealing and connecting device for a mixer according to claim 1,

the mounting groove comprises a radial groove wall (12), and the noise-reducing and shock-absorbing element (3) comprises a radial shock-absorbing part (32) in contact fit with the radial groove wall (12).

6. The sealing and connecting device for a mixer according to claim 5, wherein the sealing and connecting device for a mixer comprises a sealing ring,

the outer wall of the bearing sleeve (2) is provided with an inward concave groove, and the radial damping part (32) is accommodated in the concave groove.

7. The sealing and connecting device for a mixer according to claim 1,

the heating disc is characterized by further comprising a rotating shaft (4), wherein the rotating shaft (4) is supported on the bearing sleeve (2) through at least one bearing (5), and the rotating shaft (4) penetrates through a rotating shaft hole (13) in the heating disc (1).

8. The sealing and connecting device for a mixer according to claim 7,

at least one noise-reducing and shock-absorbing ring (6) is arranged between the outer wall of the bearing (5) and the inner wall of the bearing sleeve (2).

9. The sealing and connecting device for a mixer according to claim 7,

an oil seal (7) is further arranged between the rotating shaft (4) and the bearing sleeve (2).

10. The sealing and connecting device for a mixer according to claim 9,

the oil seal (7) comprises an outer oil seal (71) and an inner oil seal (72) which are matched together, the outer wall surface of the outer oil seal (71) is matched on the bearing sleeve (2) and/or the heating disc (1), the outer wall surface of the inner oil seal (72) is matched on the inner wall surface of the outer oil seal (71), a first sealing lip (71 a) is further inwards extended from the inner wall surface of the outer oil seal (71), a second sealing lip (72 a) and a third sealing lip (72 b) are inwards extended from the inner wall surface of the inner oil seal (72), and the rotating shaft (4) is embraced by the first sealing lip (71 a), the second sealing lip (72 a) and the third sealing lip (72 b).