CN221003754U - Novel spring compensation rotary shaft seal structure for food mixing - Google Patents
Novel spring compensation rotary shaft seal structure for food mixing Download PDFInfo
- Publication number
- CN221003754U CN221003754U CN202322711880.0U CN202322711880U CN221003754U CN 221003754 U CN221003754 U CN 221003754U CN 202322711880 U CN202322711880 U CN 202322711880U CN 221003754 U CN221003754 U CN 221003754U
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- 238000007789 sealing Methods 0.000 claims abstract description 131
- 210000001503 joint Anatomy 0.000 claims abstract description 5
- 210000004907 gland Anatomy 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 239000000843 powder Substances 0.000 description 7
- 238000003825 pressing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Sealing Devices (AREA)
Abstract
The utility model provides a novel spring compensation rotary shaft seal structure for food mixing, which comprises an inner stator, wherein the inner stator is used for being connected with a base at the end of equipment; the outer stator is used for being connected with the equipment rotating main shaft; the sealing rotor is positioned between the outer stator and the inner stator, and one surface of the sealing rotor, which is close to the inner stator, is in butt joint and sealing with the inner stator; and the compensating spring is arranged between the sealing rotor and the outer stator, and two ends of the compensating spring are respectively abutted against the sealing rotor and the outer stator. According to the utility model, the compression force is continuously provided for the rotary sealing surfaces of the sealing rotor and the inner stator through the compensation spring, so that the abrasion of the sealing surfaces is compensated, the sealing performance is effectively improved, and the service life is effectively prolonged.
Description
Technical Field
The utility model relates to the field of sealing, in particular to a novel spring compensation rotary shaft seal structure for food mixing.
Background
The domestic rotary shaft seal is generally applicable to the powder stirring industry, and at present, filler sealing, hard sealing and full-contact soft face sealing are generally adopted in the market.
The packing seal is low in price, but can abrade and fall scraps, seriously affect the quality of powder, and damage a main shaft. Resulting in immeasurable losses. The hard seal is widely applied in the fluid industry, but in the field of powder sealing, powder can enter the seal quickly (within 1 week) and is difficult to maintain, the effect is very poor, and in addition, the cost of the hard seal is high.
The full-contact soft surface seal can effectively solve the problems encountered in the use process of the two seals, but when the two seals are mixed with food, the occasion that the two seals need to be frequently disassembled is encountered, the sealing performance is obviously reduced, and the service life is greatly reduced. For this purpose, a seal structure is redesigned by combining soft face seal, filler seal and hard seal.
Disclosure of utility model
Aiming at the defects in the prior art, the utility model provides a novel spring compensation rotary shaft seal structure for food mixing, so as to improve the sealing performance and prolong the service life.
The utility model provides a novel spring compensation rotary shaft seal structure for food mixing, which comprises the following components:
the inner stator is used for being connected with the equipment end base;
the outer stator is used for being connected with the equipment rotating main shaft;
the sealing rotor is positioned between the outer stator and the inner stator, and one surface of the sealing rotor, which is close to the inner stator, is in butt joint and sealing with the inner stator;
And the compensating spring is arranged between the sealing rotor and the outer stator, and two ends of the compensating spring are respectively abutted against the sealing rotor and the outer stator.
Optionally, the device further comprises a fixing bolt, the outer stator is sleeved on the device rotating main shaft, a threaded hole I is formed in the outer peripheral surface of the outer stator, the fixing bolt is embedded into the threaded hole I and is in threaded fit with the outer stator, and the fixing bolt can be inserted into the outer peripheral surface of the device rotating main shaft along the threaded hole I and is in butt joint with the device rotating main shaft.
Optionally, the sealing rotor is fixedly connected with the outer stator in the circumferential direction.
Optionally, a spring pin I is disposed on a side of the sealing rotor, which is close to the outer stator, a spring pin II is disposed on a side of the outer stator, which is close to the sealing rotor, and two ends of the compensation spring are respectively sleeved on the spring pin I and the spring pin II.
Optionally, the motor further comprises a gland between the sealing rotor and the outer stator, the gland is provided with a pin hole, the spring pin I penetrates through the pin hole and extends to one side close to the outer stator, and two ends of the compensation spring are respectively abutted to the gland and the outer stator.
Optionally, the outer peripheral surface of the spring pin II is provided with threads, the outer stator is provided with a threaded hole II, and the spring pin II is embedded into the threaded hole II to be in threaded connection with the outer stator.
Optionally, a sealing ring is further included, and the sealing ring is used for being installed between the inner stator and the equipment end base.
Optionally, the device further comprises a lip-shaped sealing ring, the inner stator is provided with a main shaft mounting hole, the inner stator is sleeved on the rotating main shaft of the device through the main shaft mounting hole, the lip-shaped sealing ring is arranged in the main shaft mounting hole, and the lip of the lip-shaped sealing ring faces to one side close to the outer stator.
Optionally, an annular boss is arranged on one side, close to the inner stator, of the sealing rotor, one side, close to the sealing rotor, of the inner stator is inwards recessed to form a groove, and the annular boss is embedded into the groove.
Optionally, the sealing device further comprises a transmission pin, wherein one end of the transmission pin is connected with the sealing rotor, and the other opposite end of the transmission pin is connected with the outer stator.
According to the technical scheme, the novel spring compensation rotary shaft seal structure for food mixing comprises an inner stator, wherein the inner stator is used for being connected with a base at the end of equipment; the outer stator is used for being connected with the equipment rotating main shaft; the sealing rotor is positioned between the outer stator and the inner stator, and one surface of the sealing rotor, which is close to the inner stator, is in butt joint and sealing with the inner stator; and the compensating spring is arranged between the sealing rotor and the outer stator, and two ends of the compensating spring are respectively abutted against the sealing rotor and the outer stator. According to the utility model, the compression force is continuously provided for the rotary sealing surfaces of the sealing rotor and the inner stator through the compensation spring, so that the abrasion of the sealing surfaces is compensated, the sealing performance is effectively improved, and the service life is effectively prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present utility model, the drawings that are used in the description of the embodiments or the prior art will be briefly described below. Throughout the drawings, the elements or portions are not necessarily drawn to actual scale.
FIG. 1 is a schematic view of a novel spring-compensated rotary shaft seal structure for food mixing according to an embodiment of the present utility model;
FIG. 2 is a schematic perspective view of a novel spring-compensated rotary shaft seal structure for food mixing according to an embodiment of the present utility model;
reference numerals:
1-inner stator, 2-outer stator, 3-sealing rotor, 4-compensating spring, 5-gland, 6-sealing ring, 7-lip seal ring, 8-driving pin, 11-spindle mounting hole, 12-groove, 13-annular groove, 14-sealing groove, 21-fixing bolt, 22-spring pin II, 31-spring pin I, 32-annular boss, 33-inner groove, 34-inner sealing ring.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs.
In the description of the present utility model, it should 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", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
As shown in fig. 1-2, the present embodiment provides a novel spring-compensated rotary shaft seal structure for food mixing, comprising:
The inner stator 1 is used for being connected with the equipment end base;
An outer stator 2 for connection with a main shaft of the apparatus;
The sealing rotor 3 is positioned between the outer stator and the inner stator, and one surface of the sealing rotor, which is close to the inner stator, is in abutting sealing with the inner stator;
And the compensation spring 4 is arranged between the sealing rotor and the outer stator, and two ends of the compensation spring are respectively abutted on the sealing rotor and the outer stator.
When the rotary sealing device is used, the compression force is continuously provided for the rotary sealing surfaces of the sealing rotor and the inner stator through the compensation spring, abrasion of the sealing surfaces is compensated, and sealing performance is effectively improved, and service life is prolonged.
The rotary spindle is characterized by further comprising a lip-shaped sealing ring 7, wherein a spindle mounting hole 11 is formed in the inner stator, the inner stator is sleeved on the rotary spindle of the rotary spindle through the spindle mounting hole, the lip-shaped sealing ring is arranged in the spindle mounting hole, and the lip of the lip-shaped sealing ring faces to one side close to the outer stator. The probability of powder entering can be effectively blocked, and the sealing performance and the service life are effectively improved. An annular groove 13 is formed in the inner peripheral surface of the main shaft mounting hole 11, and the lip-shaped sealing ring is mounted in the annular groove, so that the lip-shaped sealing ring is convenient to mount and position.
As a further improvement to the scheme, the rotary spindle device further comprises a fixing bolt 21, wherein the outer stator is sleeved on the rotary spindle device, a plurality of threaded holes I are formed in the outer peripheral surface of the outer stator, the fixing bolt is embedded into the threaded holes I and is in threaded fit with the outer stator, and the fixing bolt can be inserted into the outer peripheral surface of the rotary spindle device along the threaded holes I and is abutted to the rotary spindle device. The outer stator is convenient to fix and detach. The sealing rotor is characterized by further comprising a transmission pin, wherein one end of the transmission pin is connected with the sealing rotor, and the other opposite end of the transmission pin is connected with the outer stator. Thereby circumferentially connecting the sealing rotor with the outer stator. The sealing rotor and the outer stator can be rotated synchronously, and the circumferential fixing in the embodiment is to fix in the circumferential direction, so that the sealing rotor and the outer stator rotate at the same angular speed. In another embodiment of the utility model, the sealing rotor and the outer stator are fixedly connected in the circumferential direction through keys.
As a further improvement to the scheme, a spring pin I31 is arranged on one side, close to the outer stator, of the sealing rotor, a spring pin II22 is arranged on one side, close to the sealing rotor, of the outer stator, and two ends of the compensation spring are respectively sleeved on the spring pin I and the spring pin II. The positioning and fixing of the compensation spring is achieved by means of the spring pin I31 and the spring pin II 22. The motor further comprises a gland 5 positioned between the sealing rotor and the outer stator, a pin hole is formed in the gland, the spring pin I penetrates through the pin hole and extends to one side close to the outer stator, and two ends of the compensation spring are respectively abutted to the gland and the outer stator. The gland 5 is used for pressing the sealing rotor, so that the uniformity of stress of the sealing rotor is improved, and uneven abrasion of the sealing rotor is prevented. The outer peripheral surface of the spring pin II is provided with threads, the outer stator is provided with a threaded hole II, and the spring pin II is embedded into the threaded hole II and is in threaded connection with the outer stator. Preferably, the spring pin II is an inner hexagon bolt, the compensation spring is fixed through the inner hexagon bolt, and when replacement, disassembly or maintenance are needed, the inner hexagon bolt and the fixing bolt 21 are only required to be loosened to disassemble and seal, so that the device is very convenient, and the operation of the device is effectively guaranteed. Meanwhile, after the sealing rotor is worn, the sealing rotor can be further pressed by only screwing the inner hexagon bolt, so that the sealing rotor is prevented from loosening, and the sealing performance is improved and the service life is prolonged.
As a further improvement of the scheme, an annular boss 32 is arranged on one side, close to the inner stator, of the sealing rotor 3, one side, close to the sealing rotor, of the inner stator 1 is inwards concave to form a groove 12, and the annular boss is embedded in the groove. The sealing rotor 3 and the inner stator 1 are in concave-convex close fit, so that the probability of powder entering a sealing cavity can be effectively blocked, and the sealing performance and the service life are effectively ensured. The annular boss 32 may be a multi-stage boss. In another embodiment of the utility model, the grooves 12 are provided on the sealing rotor 3 and the annular boss 32 is provided on the inner stator 1. The technical effect of the utility model can be achieved as well.
As a further improvement to the above solution, a sealing ring 6 is also included, which is arranged between the inner stator and the equipment end base. The inner stator is provided with a sealing groove 14, and the sealing ring 6 is arranged in the sealing groove 14, so that the sealing ring 6 is convenient to install. The sealing ring 6 can be a high-temperature-resistant O-shaped sealing ring. An inner groove 33 is formed in the inner peripheral surface of the sealing rotor 3, and an inner sealing ring 34 is arranged in the inner groove. The sealing between the sealing rotor 3 and the rotating main shaft of the device is facilitated to be improved. The inner seal 34 may be a high temperature resistant O-ring.
When the embodiment is used, the inner stator is connected and sealed with the equipment end base through the inner hexagon head bolt and the sealing ring, the lip-shaped sealing ring arranged on the inner stator is used for blocking powder, the sealing rotor and the equipment rotating main shaft are directly sealed through the inner sealing ring,
The compensation spring is fixedly connected with the gland and the sealing rotor through a spring pin I and a spring pin II, the compensation spring is fixedly connected with the outer stator through a spring pin II, namely an inner hexagonal bolt, and the sealing rotor, the gland and the outer stator are circumferentially fixed through a transmission pin 8. In addition, the stator is tightly held on the main shaft through a fixing bolt, the sealing rotor, the gland and the outer stator are connected into a whole through a transmission pin to tightly hold the main shaft to rotate along with the shaft, and when the main shaft rotates, the sealing rotor and the inner stator are rotationally rubbed by virtue of the pressing force of the compensation spring to form face seal.
In design, the spring structure is adopted, after the sealing installation is finished, certain pressing force is provided for the compensation spring, the pressure is continuously provided for the rotary sealing surface, the abrasion of the sealing surface is compensated, the stable operation of the seal is ensured, and the pressing force of the spring can be adjusted at any time in the sealing operation process. Besides, the seal is very convenient to detach, and the seal can be detached by loosening the hexagon socket head bolts and the fixing bolts at the compensating spring. In addition, the single-sided seal is adopted, only one rotary sealing surface is adopted, and the cleaning is very convenient after the seal leakage.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the appended claims and description.
Claims (10)
1. A novel spring-compensated rotary shaft seal structure for food mixing, comprising:
the inner stator is used for being connected with the equipment end base;
the outer stator is used for being connected with the equipment rotating main shaft;
the sealing rotor is positioned between the outer stator and the inner stator, and one surface of the sealing rotor, which is close to the inner stator, is in butt joint and sealing with the inner stator;
And the compensating spring is arranged between the sealing rotor and the outer stator, and two ends of the compensating spring are respectively abutted against the sealing rotor and the outer stator.
2. The novel spring-compensated rotary shaft seal structure for food mixing of claim 1, wherein: the outer stator is sleeved on the equipment rotating main shaft, a threaded hole I is formed in the outer peripheral surface of the outer stator, the fixing bolt is embedded into the threaded hole I and is in threaded fit with the outer stator, and the fixing bolt can be inserted into the outer peripheral surface of the equipment rotating main shaft along the threaded hole I and is abutted to the equipment rotating main shaft.
3. The novel spring-compensated rotary shaft seal structure for food mixing of claim 1, wherein: the sealing rotor is fixedly connected with the periphery of the outer stator.
4. The novel spring-compensated rotary shaft seal structure for food mixing of claim 1, wherein: the sealing rotor is provided with a spring pin I on one side close to the outer stator, a spring pin II on one side close to the sealing rotor, and two ends of the compensation spring are respectively sleeved on the spring pin I and the spring pin II.
5. The novel spring-compensated rotary shaft seal structure for food mixing of claim 4, wherein: the sealing device comprises a sealing rotor, a sealing stator, a spring pin I, a gland, a spring pin I, a compensating spring, a sealing rotor and an outer stator, wherein the sealing rotor is arranged between the sealing rotor and the outer stator, the gland is provided with a pin hole, the spring pin I penetrates through the pin hole and extends to one side close to the outer stator, and two ends of the compensating spring are respectively abutted to the gland and the outer stator.
6. The novel spring-compensated rotary shaft seal structure for food mixing of claim 4, wherein: the outer peripheral surface of the spring pin II is provided with threads, the outer stator is provided with a threaded hole II, and the spring pin II is embedded into the threaded hole II and is in threaded connection with the outer stator.
7. The novel spring-compensated rotary shaft seal structure for food mixing of claim 1, wherein: the device also comprises a sealing ring, wherein the sealing ring is arranged between the inner stator and the equipment end base.
8. The novel spring-compensated rotary shaft seal structure for food mixing of claim 1, wherein: the rotary main shaft is sleeved with the inner stator through the main shaft mounting hole, the lip-shaped sealing ring is arranged in the main shaft mounting hole, and the lip of the lip-shaped sealing ring faces to one side close to the outer stator.
9. The novel spring-compensated rotary shaft seal structure for food mixing of claim 1, wherein: an annular boss is arranged on one side, close to the inner stator, of the sealing rotor, one side, close to the sealing rotor, of the inner stator is inwards concave to form a groove, and the annular boss is embedded into the groove.
10. A novel spring-compensated rotary shaft seal structure for food mixing according to claim 3, wherein: the sealing rotor is characterized by further comprising a transmission pin, wherein one end of the transmission pin is connected with the sealing rotor, and the other opposite end of the transmission pin is connected with the outer stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711880.0U CN221003754U (en) | 2023-10-10 | 2023-10-10 | Novel spring compensation rotary shaft seal structure for food mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322711880.0U CN221003754U (en) | 2023-10-10 | 2023-10-10 | Novel spring compensation rotary shaft seal structure for food mixing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221003754U true CN221003754U (en) | 2024-05-24 |
Family
ID=91085768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322711880.0U Active CN221003754U (en) | 2023-10-10 | 2023-10-10 | Novel spring compensation rotary shaft seal structure for food mixing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221003754U (en) |
-
2023
- 2023-10-10 CN CN202322711880.0U patent/CN221003754U/en active Active
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