CN213512077U - Shaft seal with compact structure - Google Patents
Shaft seal with compact structure Download PDFInfo
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- CN213512077U CN213512077U CN202022177406.0U CN202022177406U CN213512077U CN 213512077 U CN213512077 U CN 213512077U CN 202022177406 U CN202022177406 U CN 202022177406U CN 213512077 U CN213512077 U CN 213512077U
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- main disc
- bearing seat
- fixing hole
- shaft seal
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Abstract
The utility model relates to a shaft seal with compact structure, which comprises a main shaft, a second fixing hole and a first fixing hole, wherein an annular main disc is arranged outside the main shaft, a bearing seat is sleeved on the outer surface of the main disc, a bottom sealing cover is arranged on the right side of the main disc, a sealing ring is sleeved at the close position of the left surface of the main disc and the right side of the bearing seat, a sealing cavity is reserved in the middle section of the inner cavity of the bearing seat, a graphite packing is arranged on the left side of the sealing cavity, and a connecting angle lug is arranged on the right side of the inner part of the sealing cavity; the second fixing hole transversely penetrates through the surface of the right side of the main disc and the inside of the bottom sealing cover, and the first fixing hole transversely penetrates through the surface of the right side of the bearing seat and the inside of the bottom sealing cover. The shaft seal that this structure is inseparable, the rotation block structure of main disc and bearing frame, the adjacent face in main disc, bearing frame left side is equipped with the graphite packing ring, can make this bearing subassembly have better sealed effect, reduces the inside condition of outside dust entering device under the condition that does not influence normal operating.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an axle seal field, concretely relates to inseparable axle seal of structure.
[ background of the invention ]
The seal can be classified into a static seal and a dynamic seal, the static seal refers to a seal that tightly seals a sealed container of a sealed cabin for sealing letters and seals of orders, and the dynamic seal is used for preventing external impurities from entering the inside of a machine or a shaft in a large machine or a shaft machine.
The sealing point of part of equipment is mainly axial sealing, the main shaft is always in a high-speed rotating state in work, the sealing is difficult, and the sealing device is easy to damage, so that the cost is increased. Aiming at the problems, the novel shaft seal is designed on the basis of the original shaft seal.
[ Utility model ] content
In order to solve the above problems, an object of the present invention is to provide a shaft seal with a compact structure, wherein the sealing point of the existing part of the equipment is mainly axial seal, the main shaft is always in a high-speed rotation state in operation, the sealing is difficult, and the sealing device is easy to damage and increases the cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a shaft seal with a compact structure comprises a main shaft, a second fixing hole and a first fixing hole, wherein an annular main disc is arranged on the outer side of the main shaft, a bearing seat is sleeved on the outer surface of the main disc, a bottom seal cover is arranged on the right side of the main disc, a seal ring is sleeved at the position where the left surface of the main disc is tightly attached to the right side of the bearing seat, a seal cavity is reserved in the middle section of an inner cavity of the bearing seat, a graphite packing is arranged on the left side of the seal cavity, and a connecting angle lug is arranged on the right side inside the seal cavity; the second fixing hole transversely penetrates through the surface of the right side of the main disc and the inside of the bottom sealing cover, and the first fixing hole transversely penetrates through the surface of the right side of the bearing seat and the inside of the bottom sealing cover.
The utility model provides a shaft seal that structure is inseparable further sets up to: the second fixing hole is arranged in a ring-shaped structure, and the longitudinal section of the second fixing hole is in an umbrella-shaped structure.
The utility model provides a shaft seal that structure is inseparable further sets up to: the bearing seat is connected with the main disc through the connecting angle lug in a magnetic attraction manner.
The utility model provides a shaft seal that structure is inseparable further sets up to: the sealing ring is a graphite sealing ring.
The utility model provides a shaft seal that structure is inseparable further sets up to: the number of the first fixing holes is not less than four, and the first fixing holes are equidistantly formed in the surfaces of the bottom cover and the bearing seat.
The utility model provides a shaft seal that structure is inseparable further sets up to: the central axes of the main disc, the bearing seat and the bottom sealing cover are in the same horizontal line.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the shaft seal that this structure is inseparable, through the rotation block structure of main disc and bearing frame, the adjacent face in main disc, bearing frame left side is equipped with the graphite sealing ring, can make this bearing subassembly have better sealed effect, reduces the inside condition of outside dust entering device under the condition that does not influence normal operating.
(2) The shaft seal that this structure is inseparable is seted up on under cap and bearing frame surface through first fixed orifices equidistant, the installation of the outside fixing bolt spare of being convenient for, and second fixed orifices longitudinal section is umbelliform structure, and this structure can have stable effect when not influencing the pivoted, and compact structure has increased the combination compactness.
[ description of the drawings ]
FIG. 1 is a schematic sectional view of the main plate of the present invention;
fig. 2 is a schematic structural view of a second fixing hole of the present invention;
fig. 3 is a schematic view of the structure of the bottom cover of the present invention.
In the figure: 1. the device comprises a main shaft, 2, a main disc, 3, a bearing seat, 4, a second fixing hole, 5, a bottom sealing cover, 6, a sealing ring, 7, a graphite packing, 8, a sealing cavity, 9, a connecting angle lug, 10 and a first fixing hole.
[ detailed description ] embodiments
A shaft seal of the present invention with a compact structure is described in further detail below with reference to specific embodiments.
As shown in fig. 1-3, the utility model provides a technical solution: a shaft seal with a compact structure comprises a main shaft 1, a main disc 2, a bearing seat 3, a second fixing hole 4, a bottom seal cover 5, a seal ring 6, a graphite packing 7, a seal cavity 8, a connecting angle lug 9 and a first fixing hole 10, wherein the outer side of the main shaft 1 is provided with the annular main disc 2, the outer surface of the main disc 2 is sleeved with the bearing seat 3, the bottom seal cover 5 is installed on the right side of the main disc 2, the seal ring 6 is sleeved at the position where the left side surface of the main disc 2 is tightly attached to the right side of the bearing seat 3, the middle section of the inner cavity of the bearing seat 3 is reserved with the seal cavity 8, the graphite packing 7 is arranged on the left side of the seal cavity 8, and the connecting angle lug; the second fixing hole 4 transversely penetrates through the right side surface of the main disc 2 and the inside of the bottom seal cover 5, and the first fixing hole 10 transversely penetrates through the right side surface of the bearing seat 3 and the inside of the bottom seal cover 5;
the second fixing hole 4 is provided with a circular ring-shaped structure, and the longitudinal section of the second fixing hole 4 is of an umbrella-shaped structure, so that the structure can have a stable effect while the rotation is not influenced;
the bearing seat 3 is magnetically connected with the main disc 2 through the connecting angle lug 9, so that the connection tightness is increased while the rotation of the bearing is not influenced;
the sealing ring 6 is a graphite sealing ring and has a good sealing effect;
the number of the first fixing holes 10 is not less than four, and the first fixing holes 10 are equidistantly arranged on the surfaces of the bottom cover 5 and the bearing seat 3, so that the installation of external fixing bolts is facilitated;
the central axes of the main disc 2, the bearing seat 3 and the bottom seal cover 5 are in the same horizontal line, and the design is reasonable.
The utility model discloses a theory of operation is: the main disc 2 is connected with the bearing seat 3 through the bottom seal cover 5, the external bolt is fixed in the second fixing hole 4, so that the main disc 2 and the bottom seal cover 5 are in a movable structure, the bottom seal cover 5 and the bearing seat 3 form a fixed structure through the external bolt and the first fixing hole 10, the structure is flexible, meanwhile, the main disc 2 and the bearing seat 3 are also in a rotating clamping structure, the adjacent surfaces of the left sides of the main disc 2 and the bearing seat 3 are provided with graphite sealing rings, so that the bearing assembly has a better sealing effect, the condition that external dust enters the device under the condition of not influencing normal operation is reduced, the first fixing holes 10 are arranged on the surfaces of the bottom seal cover 5 and the bearing seat 3 at equal intervals, the installation of the external fixing bolt is convenient, the longitudinal section of the second fixing hole 4 is in an umbrella-shaped structure, the structure can have a stable effect while the rotation is not influenced, the structure is compact, the combination tightness is increased, and the working principle of the shaft seal, and those not described in detail in this specification are well within the skill of those in the art.
The above-mentioned embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be applied, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which are within the scope of the present invention.
Claims (6)
1. The utility model provides a shaft seal that structure is inseparable, includes main shaft, second fixed orifices and first fixed orifices, its characterized in that: an annular main disc is arranged on the outer side of the main shaft, a bearing seat is sleeved on the outer surface of the main disc, a bottom sealing cover is installed on the right side of the main disc, a sealing ring is sleeved at the close place of the left surface of the main disc and the right side of the bearing seat, a sealing cavity is reserved in the middle section of an inner cavity of the bearing seat, a graphite packing is arranged on the left side of the sealing cavity, and a connecting lug is arranged on the right side inside the sealing cavity; the second fixing hole transversely penetrates through the surface of the right side of the main disc and the inside of the bottom sealing cover, and the first fixing hole transversely penetrates through the surface of the right side of the bearing seat and the inside of the bottom sealing cover.
2. A structurally sound shaft seal as defined in claim 1 wherein: the second fixing hole is arranged in a ring-shaped structure, and the longitudinal section of the second fixing hole is in an umbrella-shaped structure.
3. A structurally sound shaft seal as defined in claim 1 wherein: the bearing seat is connected with the main disc through the connecting angle lug in a magnetic attraction manner.
4. A structurally sound shaft seal as defined in claim 1 wherein: the sealing ring is a graphite sealing ring.
5. A structurally sound shaft seal as defined in claim 1 wherein: the number of the first fixing holes is not less than four, and the first fixing holes are equidistantly formed in the surfaces of the bottom cover and the bearing seat.
6. A structurally sound shaft seal as defined in claim 1 wherein: the central axes of the main disc, the bearing seat and the bottom sealing cover are in the same horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022177406.0U CN213512077U (en) | 2020-09-29 | 2020-09-29 | Shaft seal with compact structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022177406.0U CN213512077U (en) | 2020-09-29 | 2020-09-29 | Shaft seal with compact structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213512077U true CN213512077U (en) | 2021-06-22 |
Family
ID=76463284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022177406.0U Active CN213512077U (en) | 2020-09-29 | 2020-09-29 | Shaft seal with compact structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213512077U (en) |
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2020
- 2020-09-29 CN CN202022177406.0U patent/CN213512077U/en active Active
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