CN215196738U - Drive shaft sealing mechanism, stirring device and food purifying machine - Google Patents

Abstract

The utility model discloses a driving shaft sealing mechanism, a stirring device and a food cleaning machine, wherein the driving shaft sealing mechanism comprises a shell, an output shaft and a sealing cover, a containing cavity is arranged in the shell, and the shell is provided with an avoiding channel communicated with the containing cavity; the output shaft movably penetrates through the avoiding channel; the sealing cover is detachably connected with the shell, the sealing cover can cover the avoiding channel, the sealing cover is provided with a shaft seal channel and a guide channel, a transition channel is arranged between the guide channel and the shaft seal channel, two ends of the transition channel are respectively communicated with the guide channel and the shaft seal channel, and the inner diameter of the transition channel is gradually enlarged along the direction from the inner end surface of the sealing cover to the outer end surface of the sealing cover; the output shaft penetrates through the sealing cover through the shaft seal channel and the guide channel, the side wall of the shaft seal channel is abutted to the side wall of the output shaft, and the diameter of the output shaft is smaller than the inner diameter of the guide channel. The utility model discloses can reduce the degree of difficulty that the output shaft passed the bearing seal passageway when guaranteeing sealed lid leakproofness.

Description

Drive shaft sealing mechanism, stirring device and food purifying machine

Technical Field

The utility model relates to an eat clean technical field, in particular to drive shaft sealing mechanism and agitating unit and clean machine of eating.

Background

The agitating unit that is equipped with the rotary type in the casing of some current net machines of eating, agitating unit is including motor and impeller, the motor is fixed in the outside of casing, its output shaft through dodge the hole wear to locate in the casing and with impeller fixed connection, in order to prevent that the moisture in the casing from flowing out from the motor shaft with dodging the gap between the hole, be equipped with soft sealed lid on the casing, a hole is dodged to the closing cap, sealed lid is equipped with the sealed hole, the pivot of motor passes the sealed hole and with sealed hole interference fit, make the inseparable butt of lateral wall in the lateral wall in sealed hole of pivot, in order to prevent that the moisture from flowing out. In the process of assembling the sealing cover and the motor rotating shaft, because the inner diameter of the sealing hole is relatively smaller than the diameter of the motor rotating shaft, the rotating shaft needs to be carefully aligned with the sealing hole, the sealing cover can be penetrated by the rotating shaft, the assembling difficulty is increased, and the assembling efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a drive shaft sealing mechanism can reduce the degree of difficulty that the output shaft passed the bearing seal passageway when ensureing sealed lid leakproofness.

The utility model discloses still provide an agitating unit and have above-mentioned agitating unit's clean machine of eating with above-mentioned drive shaft sealing mechanism.

According to the utility model discloses a drive shaft sealing mechanism of first aspect embodiment, including casing, output shaft and sealed lid, be equipped with the holding chamber in the casing, the casing is equipped with the dodge passageway of holding chamber intercommunication; the output shaft movably penetrates through the avoiding channel; the sealing cover is detachably connected with the shell, the sealing cover can seal the avoiding channel, the sealing cover is provided with a shaft seal channel and a guide channel, a transition channel is arranged between the guide channel and the shaft seal channel, two ends of the transition channel are respectively communicated with the guide channel and the shaft seal channel, and the inner diameter of the transition channel is gradually enlarged along the direction from the inner end surface of the sealing cover to the outer end surface of the sealing cover; the output shaft penetrates through the sealing cover through the shaft seal channel and the guide channel, the side wall of the shaft seal channel is abutted against the side wall of the output shaft, and the diameter of the output shaft is smaller than the inner diameter of the guide channel.

According to the utility model discloses drive shaft sealing mechanism has following beneficial effect at least: when the sealing cover is assembled, the sealing cover is connected and matched with the shell, the sealing cover is enabled to avoid the channel sealing cover, then the output shaft is inserted into the guide channel, the inner diameter of the guide channel is larger than the diameter of the output shaft, the output shaft can easily stretch into the guide channel, force is continuously applied, the end part of the output shaft slides to the shaft seal channel along the side wall of the transition channel and penetrates through the shaft seal channel, the assembly of the sealing cover and the output shaft is completed, the shaft seal channel does not need to be carefully aligned, the output shaft can conveniently penetrate through the sealing cover only by stretching into the guide channel, the assembly is formed, the assembly difficulty is reduced, and the assembly efficiency is improved.

According to the utility model discloses a some embodiments, the bottom of casing is equipped with the mounting groove, sealed lid is inserted and is established and be fixed in the mounting groove, the lateral wall of sealed lid with the lateral wall butt of mounting groove, dodge the passageway with the mounting groove intercommunication.

According to the utility model discloses a some embodiments still include the motor, the output shaft is located on the motor, the upper end of motor is equipped with the boss, the bottom of sealed lid is equipped with the fixed slot, the boss with the cooperation is established to the fixed slot insertion.

According to the utility model discloses a few embodiments, the lateral wall of motor is equipped with the connecting piece, be equipped with the first fixed orifices that supplies the bolt to pass through on the connecting piece, the bottom of casing is equipped with the support column, the connecting piece with the support column butt, the support column be equipped with bolt complex second fixed orifices.

According to some embodiments of the utility model, the interior terminal surface of sealed lid is equipped with the location arch, the lower terminal surface of casing be equipped with the protruding complex constant head tank in location, the constant head tank is located dodge the end of passageway along and with dodge the passageway intercommunication.

According to some embodiments of the utility model, the top of sealed lid is equipped with at least one annular and encloses the muscle, the lower terminal surface of casing is equipped with at least one ring channel, the annular enclose the muscle with ring channel one-to-one and cooperation.

According to the utility model discloses an agitating unit of second aspect embodiment, include the above-mentioned first aspect embodiment's of the utility model discloses the shaft lid subassembly.

According to the utility model discloses agitating unit has following beneficial effect at least: when the sealing cover is assembled, the sealing cover is connected and matched with the shell, the sealing cover is enabled to avoid the channel sealing cover, then the output shaft is inserted into the guide channel, the inner diameter of the guide channel is larger than the diameter of the output shaft, the output shaft can easily stretch into the guide channel, force is continuously applied, the end part of the output shaft slides to the shaft seal channel along the side wall of the transition channel and penetrates through the shaft seal channel, the assembly of the sealing cover and the output shaft is completed, the shaft seal channel does not need to be carefully aligned, the output shaft can conveniently penetrate through the sealing cover only by stretching into the guide channel, the assembly is formed, the assembly difficulty is reduced, and the assembly efficiency is improved.

According to the utility model discloses a net edible machine of third aspect embodiment, include the agitating unit of the above-mentioned first aspect embodiment of the utility model.

According to the utility model discloses net machine of eating has following beneficial effect at least: when the sealing cover is assembled, the sealing cover is connected and matched with the shell, the sealing cover is enabled to avoid the channel sealing cover, then the output shaft is inserted into the guide channel, the inner diameter of the guide channel is larger than the diameter of the output shaft, the output shaft can easily stretch into the guide channel, force is continuously applied, the end part of the output shaft slides to the shaft seal channel along the side wall of the transition channel and penetrates through the shaft seal channel, the assembly of the sealing cover and the output shaft is completed, the shaft seal channel does not need to be carefully aligned, the output shaft can conveniently penetrate through the sealing cover only by stretching into the guide channel, the assembly is formed, the assembly difficulty is reduced, and the assembly efficiency is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic view of a drive shaft sealing mechanism according to an embodiment of the present invention;

FIG. 2 is a cross-sectional schematic view of the drive shaft sealing mechanism shown in FIG. 1;

FIG. 3 is an enlarged schematic view of area A shown in FIG. 2;

fig. 4 is a schematic view of a seal cover of the drive shaft seal mechanism shown in fig. 1.

Reference numerals:

the sealing structure comprises a shell 100, an accommodating cavity 110, an avoiding channel 120, a mounting groove 130, an annular groove 140, a supporting column 150, a second fixing hole 151, a positioning groove 160, a motor 200, an output shaft 210, a boss 220, a connecting piece 230, a first fixing hole 231, a sealing cover 300, a shaft seal channel 310, a transition channel 320, a guide channel 330, a fixing groove 340, a positioning protrusion 350 and an annular surrounding rib 360.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

As shown in fig. 1, 2 and 3, the driving shaft sealing mechanism according to the embodiment of the first aspect of the present invention includes a housing 100, an output shaft 210 and a sealing cover 300, wherein an accommodating chamber 110 is disposed in the housing 100, and the housing 100 is provided with an avoiding passage 120 communicated with the accommodating chamber 110; the output shaft 210 movably penetrates through the avoiding channel 120; the sealing cover 300 is detachably connected with the housing 100, the sealing cover 300 can cover the avoiding channel 120, the sealing cover 300 is provided with a shaft seal channel 310 and a guide channel 330, a transition channel 320 is arranged between the guide channel 330 and the shaft seal channel 310, two ends of the transition channel 320 are respectively communicated with the guide channel 330 and the shaft seal channel 310, and the inner diameter of the transition channel 320 is gradually enlarged along the direction from the inner end surface of the sealing cover 300 to the outer end surface of the sealing cover 300; the output shaft 210 is inserted into the sealing cover 300 through the shaft seal channel 310 and the guide channel 330, the side wall of the shaft seal channel 310 abuts against the side wall of the output shaft 210, and the diameter of the output shaft 210 is smaller than the inner diameter of the guide channel 330.

Specifically, the output shaft 210 may be a rotating shaft on the motor 200 for driving the agitator to rotate, or may be a shaft rod on some telescopic drivers for driving the agitator to move up and down through telescopic movement; the inner end surface of the sealing cover 300 is a surface facing the accommodating cavity 110, and the outer end surface thereof is a surface facing away from the accommodating cavity 110; the sealing cover 300 may be made of soft rubber such as silica gel or rubber to improve its deformability, and ensure that the sidewall of the shaft seal channel 310 can be tightly abutted to the output shaft 210, thereby improving the sealing property.

When the sealing cover 300 is assembled, firstly, the sealing cover 300 is connected and matched with the shell 100, the sealing cover 300 is used for sealing the avoiding channel 120, then the output shaft 210 is inserted into the guide channel 330, and as the inner diameter of the guide channel 330 is larger than the diameter of the output shaft 210, the output shaft 210 can easily extend into the guide channel 330, and through continuous force application, the end part of the output shaft 210 slides to the shaft seal channel 310 along the side wall of the transition channel 320 and passes through the shaft seal channel 310, so that the assembly of the sealing cover 300 and the output shaft 210 is completed, it can be seen that the output shaft 210 can conveniently pass through the sealing cover 300 only by extending the output shaft 210 into the guide channel 330 without carefully aligning the shaft seal channel 310, so that the assembly is formed, the assembly difficulty is reduced, and the assembly efficiency is improved.

In some embodiments of the present invention, the bottom of the casing 100 is provided with a mounting groove 130, the sealing cover 300 is inserted and fixed in the mounting groove 130, the side wall of the sealing cover 300 abuts against the side wall of the mounting groove 130, the avoiding passage 120 is communicated with the mounting groove 130, when the sealing cover 300 is assembled with the casing 100, the sealing cover 300 is inserted and fixed in the mounting groove 130, so that the side wall of the sealing cover 300 abuts against the side wall of the mounting groove 130 to form a simple fixation, thereby realizing the detachable connection between the sealing cover 300 and the casing 100, and of course, the sealing cover 300 can also be fixed at the bottom of the casing 100 by bolting; in addition, the sealing cover 300 and the avoiding groove may be disposed at the bottom of the housing 100, or may be disposed at the side of the housing 100, and the specific positions thereof may be set according to actual requirements, which is not limited herein.

In some embodiments of the utility model, as shown in fig. 1 and fig. 2, still include motor 200, output shaft 210 is located on motor 200, motor 200's upper end is equipped with boss 220, the bottom of sealed lid 300 is equipped with fixed slot 340, boss 220 inserts with fixed slot 340 and establishes the cooperation, the terminal surface butt of boss 220 and fixed slot 340, cooperation through boss 220 and fixed slot 340, firm sealed lid 300 is connected with motor 200, and boss 220 and fixed slot 340 terminal surface butt, guarantee that the interior terminal surface of sealed lid 300 can closely butt on casing 100, prevent that the liquid in the casing 100 from oozing from the gap between sealed lid 300 and casing 100.

In some embodiments of the present invention, as shown in fig. 1 and 2, the side wall of the motor 200 is provided with a connecting member 230, the connecting member 230 is provided with a first fixing hole 231 for passing the bolt, the bottom of the casing 100 is provided with a supporting column 150, the connecting member 230 abuts against the supporting column 150, and the supporting column 150 is provided with a second fixing hole 151 matched with the bolt. After the end face of the motor 200 and the sealing element is abutted, the first fixing hole 231 and the second fixing hole 151 are opposite, and then the bolt is assembled, so that the rod part of the bolt penetrates through the first fixing hole 231 and is screwed and matched with the second fixing hole 151, the motor 200 is locked, and meanwhile, the sealing cover 300 is clamped and locked. The connecting piece 230 may be a fixing piece, and an end face of the fixing piece abuts against the supporting column 150 to improve connection stability; one connecting piece 230 can be arranged, two or more connecting pieces 230 can be arranged and distributed on the peripheral side wall of the motor 200, and the two or more connecting pieces 230 are correspondingly arranged with the supporting column 150, so that the mounting stability of the motor 200 is further improved.

In some embodiments of the present invention, as shown in fig. 4, the inner end surface of the sealing cover 300 is provided with a positioning protrusion 350, the lower end surface of the casing 100 is provided with a positioning groove 160 cooperating with the positioning protrusion 350, and specifically can be disposed on the inner end surface of the mounting groove 130, and the positioning groove 160 is disposed on the end edge of the avoiding channel 120 and is communicated with the avoiding channel 120. Through the cooperation of the positioning protrusion 350 and the positioning groove 160, the sealing cover 300 can be quickly positioned when being installed with the housing 100, so that the avoiding groove is aligned with the shaft seal channel 310 and the guide channel 330, the output shaft 210 can conveniently penetrate through the sealing cover 300 and the housing 100, and relative shaking between the sealing cover 300 and the housing 100 can be reduced. Wherein the positioning protrusion 350 may be tapered to increase self-guidance and further facilitate the connection of the sealing cover 300 with the housing 100.

In some embodiments of the present invention, as shown in fig. 4, the top of the sealing cover 300 is provided with at least one annular surrounding rib 360, the lower end surface of the casing 100 is provided with at least one annular groove 140, and can be disposed on the inner end surface of the mounting groove 130, and the annular surrounding rib 360 and the annular groove 140 are in one-to-one correspondence and fit. Through the cooperation of annular rail 360 and ring channel 140, further stabilize being connected of sealed lid 300 and casing 100, make sealed lid 300 difficult and casing 100 break away from the cooperation to through the cooperation of annular rail 360 and ring channel 140, can also improve the area of contact between sealed lid 300 and the casing 100, can improve the effective sealing area of sealed lid 300 promptly, thereby be favorable to preventing more that moisture from oozing from the gap between sealed lid 300 and the casing 100. Wherein, annular encloses muscle 360 and can set up to one, also can set up to two or more, when setting up to two or more, all annular encloses muscle 360 and encircles layer upon layer and establish to every annular encloses and has the clearance between the muscle 360, in order to ensure that annular encloses muscle 360 can imbed ring channel 140, preferably, all annular encloses muscle 360 and can set up with one heart, both can reduce annular encloses the processing degree of difficulty of muscle 360 and can improve sealed lid 300's whole aesthetic measure again.

According to the utility model discloses an agitating unit of second aspect embodiment, include the above-mentioned first aspect embodiment's of the utility model discloses the shaft lid subassembly.

According to the utility model discloses agitating unit has following beneficial effect at least: when the sealing cover 300 is assembled, firstly, the sealing cover 300 is connected and matched with the shell 100, the sealing cover 300 is used for sealing the avoiding channel 120, then the output shaft 210 is inserted into the guide channel 330, and as the inner diameter of the guide channel 330 is larger than the diameter of the output shaft 210, the output shaft 210 can easily extend into the guide channel 330, and through continuous force application, the end part of the output shaft 210 slides to the shaft seal channel 310 along the side wall of the transition channel 320 and passes through the shaft seal channel 310, so that the assembly of the sealing cover 300 and the output shaft 210 is completed, it can be seen that the output shaft 210 can conveniently pass through the sealing cover 300 only by extending the output shaft 210 into the guide channel 330 without carefully aligning the shaft seal channel 310, so that the assembly is formed, the assembly difficulty is reduced, and the assembly efficiency is improved.

According to the utility model discloses a net edible machine of third aspect embodiment, include the agitating unit of the above-mentioned first aspect embodiment of the utility model.

According to the utility model discloses net machine of eating has following beneficial effect at least: when the sealing cover 300 is assembled, firstly, the sealing cover 300 is connected and matched with the shell 100, the sealing cover 300 is used for sealing the avoiding channel 120, then the output shaft 210 is inserted into the guide channel 330, and as the inner diameter of the guide channel 330 is larger than the diameter of the output shaft 210, the output shaft 210 can easily extend into the guide channel 330, and through continuous force application, the end part of the output shaft 210 slides to the shaft seal channel 310 along the side wall of the transition channel 320 and passes through the shaft seal channel 310, so that the assembly of the sealing cover 300 and the output shaft 210 is completed, it can be seen that the output shaft 210 can conveniently pass through the sealing cover 300 only by extending the output shaft 210 into the guide channel 330 without carefully aligning the shaft seal channel 310, so that the assembly is formed, the assembly difficulty is reduced, and the assembly efficiency is improved.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiment has been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the present invention.

Claims (8)

1. A drive shaft sealing mechanism, comprising:

the device comprises a shell (100), wherein an accommodating cavity (110) is arranged in the shell (100), and an avoiding channel (120) communicated with the accommodating cavity (110) is arranged on the shell (100);

the output shaft (210) is movably arranged in the avoiding channel (120) in a penetrating way;

the sealing cover (300) is detachably connected with the shell (100), the sealing cover (300) can cover the avoiding channel (120), the sealing cover (300) is provided with a shaft seal channel (310) and a guide channel (330), a transition channel (320) is arranged between the guide channel (330) and the shaft seal channel (310), two ends of the transition channel (320) are respectively communicated with the guide channel (330) and the shaft seal channel (310), and the inner diameter of the transition channel (320) is gradually enlarged along the direction from the inner end surface of the sealing cover (300) to the outer end surface of the sealing cover (300);

the output shaft (210) penetrates through the sealing cover (300) through the shaft seal channel (310) and the guide channel (330), the side wall of the shaft seal channel (310) is abutted against the side wall of the output shaft (210), and the diameter of the output shaft (210) is smaller than the inner diameter of the guide channel (330).

2. The drive shaft sealing mechanism according to claim 1,

the bottom of casing (100) is equipped with mounting groove (130), sealed lid (300) are inserted and are established and be fixed in mounting groove (130), the lateral wall of sealed lid (300) with the lateral wall butt of mounting groove (130), dodge passageway (120) with mounting groove (130) intercommunication.

3. The drive shaft sealing mechanism according to claim 1,

still include motor (200), output shaft (210) are located on motor (200), the upper end of motor (200) is equipped with boss (220), the bottom of sealed lid (300) is equipped with fixed slot (340), boss (220) with fixed slot (340) are inserted and are established the cooperation, boss (220) with the terminal surface butt of fixed slot (340).

4. The drive shaft sealing mechanism according to claim 3,

the lateral wall of motor (200) is equipped with connecting piece (230), be equipped with on connecting piece (230) and supply first fixed orifices (231) that the bolt passes through, the bottom of casing (100) is equipped with support column (150), connecting piece (230) with support column (150) butt, support column (150) be equipped with bolt complex second fixed orifices (151).

5. The drive shaft sealing mechanism according to claim 1,

the inner end face of the sealing cover (300) is provided with a positioning protrusion (350), the lower end face of the shell (100) is provided with a positioning groove (160) matched with the positioning protrusion (350), and the positioning groove (160) is arranged at the end edge of the avoiding channel (120) and communicated with the avoiding channel (120).

6. The drive shaft sealing mechanism according to claim 1,

the top of the sealing cover (300) is provided with at least one annular surrounding rib (360), the lower end face of the shell (100) is provided with at least one annular groove (140), and the annular surrounding ribs (360) correspond to and are matched with the annular grooves (140) one to one.

7. A stirring device, comprising:

the drive shaft sealing mechanism according to any one of claims 1 to 6.

8. A food washer, comprising:

the stirring device of claim 7.

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