CN211624192U - Spindle seal for a stirring shaft at the bottom of a container - Google Patents
Spindle seal for a stirring shaft at the bottom of a container Download PDFInfo
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- CN211624192U CN211624192U CN201922235475.XU CN201922235475U CN211624192U CN 211624192 U CN211624192 U CN 211624192U CN 201922235475 U CN201922235475 U CN 201922235475U CN 211624192 U CN211624192 U CN 211624192U
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- stationary ring
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Abstract
The utility model discloses a main shaft seal spare of (mixing) shaft for container bottom, it is including setting up in the (mixing) shaft outside and with the axle sleeve of agitator shaft, set up in the outside cover seat of axle sleeve, set up respectively in the sealed cowling and the end cover of being close to and keeping away from container bottom one end of axle sleeve, the sealed cowling joint is in the cover seat, end cover and cover seat fixed connection. Still fixedly in the middle of cover seat and axle sleeve be provided with first quiet ring and second quiet ring, first quiet ring and cover seat fixed connection, second quiet ring and end cover fixed connection. Still be provided with first rotating ring and second rotating ring in the middle of first stationary ring and second stationary ring, be provided with the spring between first rotating ring and second rotating ring, first rotating ring and second rotating ring are inconsistent with first rotating ring and second rotating ring respectively under the effect of spring. A sealing ring is arranged between the supporting boss of the shaft sleeve and the stirring shaft. Utilize the utility model discloses a main shaft seal can effectively avoid setting up in the feed liquid of the (mixing) shaft department of stirred vessel bottom and reveal.
Description
Technical Field
The utility model relates to a agitating unit technical field, concretely relates to main shaft seal spare that is used for the (mixing) shaft of container bottom.
Background
In the existing mixer or other stirring container with stirring function, in order to avoid the leakage of the material from the stirring shaft during the stirring process, the stirring shaft is mostly arranged on the top of the stirring container. However, the stirring shaft is arranged at the top of the stirring container, so that insufficient mixing is caused, and the mixing effect is greatly influenced. However, when the stirring shaft is arranged at the bottom of the stirring container, the requirement on the main shaft seal of the stirring shaft is high, the sealing of the stirring shaft only by adopting a common sealing ring type structure obviously cannot meet the use requirement, and particularly when the material in the stirring container is liquid, the material is easy to leak from the position of the stirring container where the stirring shaft is arranged, so that the normal mixing process is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a main shaft seal spare for the (mixing) shaft of container bottom, it can effectively avoid setting up in the defect that the feed liquid of the (mixing) shaft department of stirred vessel bottom was revealed.
The main shaft sealing element of the stirring shaft used at the bottom of the container of the utility model comprises a shaft sleeve, a sleeve seat and a sealing end cover, the shaft sleeve is arranged outside the stirring shaft, the sleeve seat is positioned outside the shaft sleeve, the sealing end cover is positioned at one end of the stirring shaft, which is far away from the container, the sleeve seat is fixedly connected with the sealing end cover, it is characterized by also comprising a sealing cover which is arranged at one end of the stirring shaft close to the container, a first stationary ring and a second stationary ring are fixedly arranged between the sleeve seat and the shaft sleeve, the first stationary ring is fixedly connected with the sleeve seat, the second stationary ring is fixedly connected with the sealing end cover, a first movable ring and a second movable ring are arranged between the first stationary ring and the second stationary ring, a spring is arranged between the first movable ring and the second movable ring, the first movable ring and the second movable ring are respectively abutted against the first movable ring and the second movable ring under the action of the spring. Therefore, the utility model discloses a main shaft seal can prevent under the effect of sealed cowling that the feed liquid from revealing from the (mixing) shaft, simultaneously, with cover seat and sealed cowling and end cover zonulae occludens under the effect of first rotating ring and second rotating ring to ensure main shaft seal's overall structure's stability and leakproofness, realize the sealed effect to setting up in the (mixing) shaft of container bottom from this.
Furthermore, the sealing cover is abutted to one end, close to the container, of the bottom of the shaft sleeve, a supporting boss is arranged at one end, close to the sealing cover, of the shaft sleeve, the diameter of the supporting boss is larger than that of the outer wall of the middle of the shaft sleeve, and the diameter of the outer side wall, at the position of the first stationary ring and the second stationary ring, of the shaft sleeve is smaller than that of the outer wall of the middle of the shaft sleeve. Therefore, support the lug boss and can form the support to the sealed cowling to carry out firm joint to the sealed cowling under the effect of cover seat, the internal diameter of the outer wall of the axle sleeve that first quiet ring and second quiet ring department correspond all is less than the diameter of the outer wall at the middle part of axle sleeve, therefore can effectively reduce the wearing and tearing to first quiet ring and second quiet ring at the rotatory in-process of (mixing) shaft.
Furthermore, a first sealing ring is arranged between the supporting boss of the shaft sleeve and the stirring shaft. Thereby preventing the feed liquid in the stirring container from leaking from the gap between the sealing cover and the stirring shaft.
Furthermore, a movable ring sealing ring is respectively arranged between the first movable ring and the shaft sleeve and between the second movable ring and the shaft sleeve, and a static ring sealing ring is respectively arranged between the first static ring and the sleeve seat and between the second static ring and the sealing end cover. Thereby ensuring that the first movable ring and the second movable ring are tightly connected with the shaft sleeve.
Furthermore, a first stationary ring is fixed on the sleeve seat through a first pin shaft, the first pin shaft is arranged in a direction parallel to the central axis of the stirring shaft, a second stationary ring is fixedly connected with the sealing end cover through a second pin shaft, and the second pin shaft is arranged in a direction perpendicular to the central axis of the stirring shaft. Thereby ensuring the firm connection of the first stationary ring and the second stationary ring with the sleeve seat.
Furthermore, the edge orientation of sealed cowling the cover seat extends be provided with on the cover seat with the joint groove of sealed cowling mutually supporting.
Further, the sleeve seat is fixedly connected with the sealing end cover through bolts arranged along the axial direction of the stirring shaft.
Furthermore, a second sealing ring is arranged between the sealing end cover and the sleeve seat. Therefore, the seepage at the sealing end cover can be further prevented, and the sealing effect of the main shaft sealing element is ensured.
Furthermore, the sleeve seat is provided with a connecting edge part which extends towards the direction of the central axis far away from the stirring shaft at one end close to the bottom of the container, and the outer diameter of the connecting edge part is larger than the diameter of the outer wall of the body of the sleeve seat. Therefore, the main shaft sealing element of the utility model is quickly connected with the barrel body through the connecting edge part.
Furthermore, a blade adjusting pad is arranged at one end of the stirring shaft close to the container.
Drawings
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.
In the figure:
1-shaft sleeve, 11-supporting boss, 2-sleeve seat, 21-clamping groove, 22-connecting edge part, 3-sealing cover, 4-sealing end cover, 51-first stationary ring, 52-second stationary ring, 61-first pin shaft, 62-second pin shaft, 71-stationary ring sealing ring, 72-moving ring sealing ring, 73-first sealing ring, 74-second sealing ring, 81-first moving ring, 82-second moving ring, 83-spring, 9-blade adjusting pad and 10-barrel body base.
Detailed Description
The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.
Referring to fig. 1, the main shaft sealing member of the stirring shaft for the bottom of the container of the present invention includes a shaft sleeve 1 disposed outside the stirring shaft and connected to the stirring shaft, a sleeve seat 2 disposed outside the shaft sleeve 1, and a sealing cover 3 and a sealing end cap 4 disposed respectively on the shaft sleeve 1 and close to and away from one end of the bottom of the container, wherein the sealing cover 3 is connected to the sleeve seat 2, and the sealing end cap 4 is fixedly connected to the sleeve seat 2. A first stationary ring 51 and a second stationary ring 52 are fixedly arranged between the sleeve seat 2 and the shaft sleeve 1, the first stationary ring 51 is fixedly connected with the sleeve seat 2, and the second stationary ring 52 is fixedly connected with the sealing end cover 4.
First quiet ring 51 is located the outside at the middle part of axle sleeve 1, be provided with the joint groove that matches with first quiet ring 51 on cover seat 2, first quiet ring 51 is through first round pin axle 61 fixed connection with cover seat 2, first round pin axle 61 is the direction setting parallel with the axis of (mixing) shaft, be provided with quiet ring seal 71 in the middle of first quiet ring 51 and cover seat 2, therefore, first quiet ring 51 can form stable being connected with cover seat 2, when the (mixing) shaft is rotatory, first quiet ring 51 can not take place to rock.
The second stationary ring 52 is located at the end close to the shaft sleeve 1 and far away from the bottom of the container, the second stationary ring 52 is fixedly connected with the end cover 4 through a second pin shaft 62, and the second pin shaft 62 is arranged in the direction perpendicular to the central axis of the stirring shaft. Thus ensuring a tight connection of the first and second stationary rings 51, 52 with the housing 2. The diameter of the outer side wall of the shaft sleeve 1 where the first stationary ring 51 and the second stationary ring 52 are arranged is smaller than that of the outer wall of the middle part of the shaft sleeve 1, and the first stationary ring 51 and the second stationary ring 52 are in clearance fit with the shaft sleeve 1, so that the abrasion of the first stationary ring 51 and the second stationary ring 52 in the rotation process of the stirring shaft can be reduced.
A first movable ring 81 and a second movable ring 82 are further arranged between the first stationary ring 51 and the second stationary ring 52, a spring 83 is arranged between the first movable ring 81 and the second movable ring 82, and the first movable ring 81 and the second movable ring 82 respectively continuously apply acting force to the first stationary ring 51 and the second stationary ring 52 under the action of the spring 83 and are in contact with the first stationary ring 51 and the second stationary ring 52, so that a good sealing effect can be formed between the first stationary ring 51 and the first movable ring 81 and between the second stationary ring 52 and the second movable ring 82. One moving ring seal 72 is disposed between the first moving ring 81 and the second moving ring 82 and the shaft sleeve 1, so that the first moving ring 81 and the second moving ring 82 can form better sealing effect with the shaft sleeve 1.
The utility model discloses a joint groove 21 that is used for the edge of the sealed cowling 3 of the main shaft seal spare of the (mixing) shaft of container bottom to extend towards cover seat 2, is provided with on cover seat 2 and mutually supports with sealed cowling 3. Meanwhile, the sealing cover 3 is abutted against one end, close to the bottom of the container, of the shaft sleeve 1, the shaft sleeve 1 is provided with a supporting boss 11 at one end, close to the sealing cover 3, and the diameter of the supporting boss 11 is larger than that of the outer wall of the middle part of the shaft sleeve 1, so that the sealing cover 3 can be stably connected between the sleeve seat 2 and the supporting boss 11. A first sealing ring 73 is arranged between the supporting boss 11 of the shaft sleeve 1 and the stirring shaft, and a second sealing ring 74 is arranged between the sealing end cover 4 and the sleeve seat 2. Therefore, can prevent the utility model discloses a spindle seal's sealed cowling 3 department and the sepage in end cover 4 department, therefore ensure the utility model discloses a spindle seal's sealed effect. The sleeve seat 2 is provided with a connecting edge part 22 which is arranged towards the direction of the central axis far away from the stirring shaft at one end close to the bottom of the container, the diameter of the outer wall of the connecting edge part 22 is larger than that of the outer wall of the body of the sleeve seat 2, and a mounting hole is arranged on the connecting edge part 22. Therefore, the spindle seal of the present invention can be connected to the container by the connecting edge portion 22. When using the utility model discloses a main shaft seal spare, with its card on the (mixing) shaft of setting in the container bottom to with the connection marginal part 22 of cover seat 2 and the staving base 10 fixed connection who predetermines in the bottom of a barrel portion, thereby realize being connected with it and (mixing) shaft.
The utility model discloses in, the bolt fixed connection that cover seat 2 and end cover 4 set up through the axis parallel direction with the (mixing) shaft, simultaneously, be used for with end cover 4 carry out the second round pin axle 62 that fixes with second quiet ring 52 be with the axis vertically direction setting of (mixing) shaft, therefore, form stable connection between second quiet ring 52, end cover 4 and cover seat 2.
As a preferred embodiment of the present invention, a paddle adjusting pad 9 is further disposed at one end of the stirring shaft close to the container, so that the gap between the paddles disposed on the stirring shaft can be adjusted conveniently.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A main shaft sealing element for a stirring shaft at the bottom of a container comprises a shaft sleeve, a sleeve seat and a sealing end cover, the shaft sleeve is arranged outside the stirring shaft, the sleeve seat is positioned outside the shaft sleeve, the sealing end cover is positioned at one end of the stirring shaft, which is far away from the container, the sleeve seat is fixedly connected with the sealing end cover, it is characterized by also comprising a sealing cover which is arranged at one end of the stirring shaft close to the container, a first stationary ring and a second stationary ring are fixedly arranged between the sleeve seat and the shaft sleeve, the first stationary ring is fixedly connected with the sleeve seat, the second stationary ring is fixedly connected with the sealing end cover, a first movable ring and a second movable ring are arranged between the first stationary ring and the second stationary ring, a spring is arranged between the first movable ring and the second movable ring, the first movable ring and the second movable ring are respectively abutted against the first movable ring and the second movable ring under the action of the spring.
2. The spindle seal for the stirring shaft of the bottom of the container as recited in claim 1, wherein said sealing cap abuts against one end of said shaft sleeve near the bottom of the container, a supporting boss is disposed at one end of said shaft sleeve near said sealing cap, the diameter of said supporting boss is larger than the diameter of the outer wall of the middle portion of said shaft sleeve, and the diameter of the outer sidewall of said shaft sleeve where said first stationary ring and said second stationary ring are disposed is smaller than the diameter of the outer wall of the middle portion of said shaft sleeve.
3. The spindle seal for a mixing shaft at the bottom of a vessel of claim 2, wherein a first seal ring is provided between the support boss of the bushing and the mixing shaft.
4. The spindle seal for the agitator shaft of the vessel bottom as set forth in claim 1, wherein a moving ring seal is disposed between said first moving ring and said sleeve, and a stationary ring seal is disposed between said first stationary ring and said sleeve mount, and a stationary ring seal is disposed between said second stationary ring and said end cap.
5. The spindle seal for a mixing shaft at the bottom of a container of claim 1, wherein the first stationary ring is fixed to the sleeve holder by a first pin, the first pin is disposed in a direction parallel to the central axis of the mixing shaft, the second stationary ring is fixedly connected to the end cap by a second pin, and the second pin is disposed in a direction perpendicular to the central axis of the mixing shaft.
6. The spindle seal for the agitator shaft of the vessel bottom as claimed in claim 1, wherein the edge of the sealing cap extends towards the socket, on which socket a snap groove is provided which cooperates with the sealing cap.
7. The spindle seal for an agitator shaft of a vessel bottom of claim 1, wherein the sleeve holder and the end cap are fixedly connected by bolts disposed along an axial direction of the agitator shaft.
8. The spindle seal for a mixer shaft at the bottom of a vessel of claim 1, wherein a second seal ring is further disposed intermediate said end cap and said sleeve mount.
9. The spindle seal for a mixing shaft at the bottom of a vessel as recited in claim 1, wherein said hub is provided with a flange portion at an end near the bottom of the vessel extending in a direction away from the central axis of said mixing shaft, said flange portion having an outer diameter greater than the diameter of the outer wall of the body of said hub.
10. The spindle seal for a stirring shaft of a vessel bottom according to claim 1, characterized in that a paddle adjustment pad is further provided at an end of the stirring shaft near the vessel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922235475.XU CN211624192U (en) | 2019-12-13 | 2019-12-13 | Spindle seal for a stirring shaft at the bottom of a container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922235475.XU CN211624192U (en) | 2019-12-13 | 2019-12-13 | Spindle seal for a stirring shaft at the bottom of a container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211624192U true CN211624192U (en) | 2020-10-02 |
Family
ID=72629165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922235475.XU Active CN211624192U (en) | 2019-12-13 | 2019-12-13 | Spindle seal for a stirring shaft at the bottom of a container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211624192U (en) |
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2019
- 2019-12-13 CN CN201922235475.XU patent/CN211624192U/en active Active
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