CN211975695U - Central air inlet rotary joint fixing structure - Google Patents
Central air inlet rotary joint fixing structure Download PDFInfo
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- CN211975695U CN211975695U CN201922389992.2U CN201922389992U CN211975695U CN 211975695 U CN211975695 U CN 211975695U CN 201922389992 U CN201922389992 U CN 201922389992U CN 211975695 U CN211975695 U CN 211975695U
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- hollow
- rotary joint
- speed reducer
- transmission shaft
- fixing structure
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Abstract
The utility model discloses a center rotary joint fixed knot that admits air constructs, including the hollow shaft speed reducer, the upper end of hollow shaft speed reducer is provided with the speed reducer end cover, speed reducer end cover and hollow shaft speed reducer are through first fixing device fixed connection, the centre of speed reducer end cover is provided with hollow transmission shaft, the outside fixedly connected with locking dish of hollow transmission shaft, the inside of hollow transmission shaft is provided with the breather pipe, the upper end of hollow transmission shaft is provided with the transition dish, the upper end of transition dish is provided with the ring flange, the both ends of ring flange are provided with first connecting hole, the inner wall of ring flange is provided with the connection pivot. The utility model discloses in, set up flange mounting, rotary joint passes through the transition dish and is connected with the inside transmission shaft of hollow shaft speed reducer, and the rotating ring part is followed the transmission shaft and is rotated together, connects to be provided with sealed the pad between pivot and the hollow transmission shaft, reaches the purpose that the center was given gas.
Description
Technical Field
The utility model relates to a agitating unit field especially relates to a center rotary joint fixed knot that admits air constructs.
Background
The flange connection is two pipelines, pipe fittings or equipment which are respectively fixed on a flange plate, the two flanges are fastened together by bolts and are divided into threaded connection flanges and welding flanges, and the corresponding flanges are selected according to different pressures.
Threaded connection dismantles inconveniently, and often dismantles and lead to the wearing and tearing between the screw thread not hard up easily, and threaded connection receives pressure to have the restriction simultaneously, and threaded connection department corrodes easily, also takes place easily to leak the phenomenon.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a central air inlet rotary joint fixing structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a center rotary joint fixed knot that admits air constructs, includes the hollow shaft speed reducer, the upper end of hollow shaft speed reducer is provided with the speed reducer end cover, speed reducer end cover and hollow shaft speed reducer are through first fixing device fixed connection, the centre of speed reducer end cover is provided with hollow transmission shaft, the outside fixedly connected with locking dish of hollow transmission shaft, the inside of hollow transmission shaft is provided with the breather pipe, the upper end of hollow transmission shaft is provided with the transition dish, the upper end of transition dish is provided with the ring flange, the both ends of ring flange are provided with first connecting hole, the inner wall of ring flange is provided with the connection pivot.
As a further description of the above technical solution:
the one end of connecting the pivot and keeping away from the hollow shaft speed reducer is provided with the mounting panel, the one end that the connecting pivot was kept away from to the mounting panel is provided with hollow rotary joint, hollow rotary joint and mounting panel pass through second fixing device fixed connection.
As a further description of the above technical solution:
the outer wall of the hollow rotary joint is provided with an air vent, one end, far away from the mounting plate, of the hollow rotary joint is provided with a switching pipe, and one end, far away from the hollow rotary joint, of the switching pipe is provided with a connecting piece.
As a further description of the above technical solution:
one end of the connecting piece, which is far away from the adapter tube, is provided with two second connecting holes.
As a further description of the above technical solution:
and a sealing device is arranged between the hollow rotary joint and the adapter tube.
As a further description of the above technical solution:
a sealing gasket is arranged between the hollow transmission shaft and the connecting rotating shaft, and the sealing gasket is made of rubber.
As a further description of the above technical solution:
the second fixing device is made of stainless steel, the number of the second fixing device is multiple, and the number of the first connecting holes (7) is two.
The utility model discloses following beneficial effect has:
1. the utility model discloses, utilize flange joint to have convenient dismantlement and the high characteristics of intensity, be provided with sealed the pad between connection pivot and the hollow transmission shaft, reach the purpose that the center was supplied gas, sealing performance is high, effectively prevents the gas leakage in the breather pipe.
2. The utility model discloses, hollow rotary joint is connected through transition dish and the inside hollow transmission shaft of hollow shaft speed reducer, connects the pivot and rotates together with the transmission shaft, and hollow transmission shaft passes the hollow shaft speed reducer, through the fixed back transmission moment of torsion of locking dish locking, and the transmission is stable, and fatigue resistance can be high.
Drawings
Fig. 1 is a front view of a central air inlet rotary joint fixing structure provided by the present invention;
FIG. 2 is an enlarged view of FIG. 1 at B;
FIG. 3 is an enlarged view at C of FIG. 1;
fig. 4 is an enlarged view of fig. 1 at a.
Illustration of the drawings:
1. a hollow shaft reducer; 2. a reducer end cover; 3. a first fixing device; 4. a locking disc; 5. a hollow transmission shaft; 6. a transition disk; 7. a first connection hole; 8. a hollow rotary joint; 9. a second connection hole; 10. a connecting member; 11. a transfer tube; 12. connecting the rotating shaft; 13. a breather pipe; 14. mounting a plate; 15. A second fixing device; 16. a sealing device; 17. a vent hole; 18. a gasket; 19. a flange plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, the present invention provides an embodiment: a central air inlet rotary joint fixing structure comprises a hollow shaft speed reducer 1, wherein the hollow shaft speed reducer 1 comprises a flat shaft and a rectangular shaft structure, and achieves the effect of stable speed reduction, a speed reducer end cover 2 is arranged at the upper end of the hollow shaft speed reducer 1, the speed reducer end cover 2 has certain sealing performance and has a supporting function, the speed reducer end cover 2 is fixedly connected with the hollow shaft speed reducer 1 through a plurality of first fixing devices 3, a hollow transmission shaft 5 is arranged in the middle of the speed reducer end cover 2, a locking disc 4 is fixedly connected to the outer side of the hollow transmission shaft 5, the locking disc 4 comprises a contraction disc structure and has a fixing function on the hollow transmission shaft 5, a vent pipe 13 is arranged inside the hollow transmission shaft 5, the vent pipe 13 transmits gas, a transition disc 6 is arranged at the upper end of the hollow transmission shaft 5, and the transition disc 6 is arranged to be of an, the hollow rotary joint 8 is fixedly connected with a threaded connection and a flange connection, a flange 19 is arranged at the upper end of the transition disc 6, first connecting holes 7 are formed in two ends of the flange 19, and a connecting rotating shaft 12 is arranged on the inner wall of the flange 19.
A mounting plate 14 is arranged at one end of the connecting rotating shaft 12 far away from the hollow shaft speed reducer 1, the mounting plate 14 has the functions of sealing and connecting, a hollow rotary joint 8 is arranged at one end of the mounting plate 14 far away from the connecting rotating shaft 12, the moving ring part of the hollow rotary joint 8 is of a threaded structure or a flange structure, the hollow rotary joint 8 and the mounting plate 14 are fixedly connected through a second fixing device 15, vent holes 17 are formed in the outer wall of the hollow rotary joint 8, a switching pipe 11 is arranged at one end of the hollow rotary joint 8 far away from the mounting plate 14 and is fixedly connected through internal threads, a connecting piece 10 is arranged at one end of the switching pipe 11 far away from the hollow rotary joint 8, second connecting holes 9 are formed in one end of the connecting piece 10 far away from the switching pipe 11, the number is two, a sealing device 16 is arranged between the hollow rotary joint 8, the material of sealed pad 18 is rubber, and sealed pad 18 can be rubber pad, O type sealing washer, metal winding pad etc. reaches the purpose that the center was given gas, effectively prevents gas leakage, and the material of second fixing device 15 is stainless steel, and quantity is a plurality of, and the quantity of first connecting hole (7) is two.
The working principle is as follows: the utility model discloses in, agitating unit utilizes ring flange 19 to install usually, hollow rotary joint 8's lower extreme is provided with mounting panel 14, the centre of mounting panel 14 is provided with connects pivot 12, the outer wall of connecting the pivot is provided with ring flange 19, ring flange 19 and transition dish 6 pass through fixing device fixed connection, be provided with hollow transmission shaft 5 in the middle of the transition dish 6, hollow transmission shaft 5 is connected with the inside transmission shaft of hollow shaft speed reducer 1, it is rotatory together to connect pivot 12, it is provided with sealed 18 to connect between pivot 12 and the hollow transmission shaft 5, reach the purpose that the center was supplied gas, hollow transmission shaft 5 passes hollow shaft speed reducer 1, through fixed back transmission moment of torsion of locking dish locking.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. The utility model provides a center rotary joint fixed knot that admits air constructs, includes hollow shaft speed reducer (1), its characterized in that: the upper end of hollow shaft speed reducer (1) is provided with speed reducer end cover (2), speed reducer end cover (2) and hollow shaft speed reducer (1) are through first fixing device (3) fixed connection, the centre of speed reducer end cover (2) is provided with hollow transmission shaft (5), the outside fixedly connected with locking dish (4) of hollow transmission shaft (5), the inside of hollow transmission shaft (5) is provided with breather pipe (13), the upper end of hollow transmission shaft (5) is provided with transition dish (6), the upper end of transition dish (6) is provided with ring flange (19), the both ends of ring flange (19) are provided with first connecting hole (7), the inner wall of ring flange (19) is provided with connection pivot (12).
2. The center intake rotary joint fixing structure according to claim 1, wherein: the one end of keeping away from hollow shaft speed reducer (1) in connection pivot (12) is provided with mounting panel (14), the one end of keeping away from connection pivot (12) in mounting panel (14) is provided with hollow rotary joint (8), hollow rotary joint (8) and mounting panel (14) are through second fixing device (15) fixed connection.
3. A center intake rotary joint fixing structure according to claim 2, wherein: the outer wall of the hollow rotary joint (8) is provided with an air vent (17), one end, far away from the mounting plate (14), of the hollow rotary joint (8) is provided with a switching pipe (11), and one end, far away from the hollow rotary joint (8), of the switching pipe (11) is provided with a connecting piece (10).
4. A center intake rotary joint fixing structure according to claim 3, wherein: one end of the connecting piece (10) far away from the adapter tube (11) is provided with two second connecting holes (9).
5. A center intake rotary joint fixing structure according to claim 2, wherein: and a sealing device (16) is arranged between the hollow rotary joint (8) and the adapter tube (11).
6. The center intake rotary joint fixing structure according to claim 1, wherein: a sealing gasket (18) is arranged between the hollow transmission shaft (5) and the connecting rotating shaft (12), and the sealing gasket (18) is made of rubber.
7. A center intake rotary joint fixing structure according to claim 2, wherein: the second fixing device (15) is made of stainless steel, the number of the second fixing device is multiple, and the number of the first connecting holes (7) is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389992.2U CN211975695U (en) | 2019-12-27 | 2019-12-27 | Central air inlet rotary joint fixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922389992.2U CN211975695U (en) | 2019-12-27 | 2019-12-27 | Central air inlet rotary joint fixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211975695U true CN211975695U (en) | 2020-11-20 |
Family
ID=73378068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922389992.2U Active CN211975695U (en) | 2019-12-27 | 2019-12-27 | Central air inlet rotary joint fixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211975695U (en) |
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2019
- 2019-12-27 CN CN201922389992.2U patent/CN211975695U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |