CN215172108U - Vertical speed reducer with good sealing structure - Google Patents
Vertical speed reducer with good sealing structure Download PDFInfo
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- CN215172108U CN215172108U CN202121559060.9U CN202121559060U CN215172108U CN 215172108 U CN215172108 U CN 215172108U CN 202121559060 U CN202121559060 U CN 202121559060U CN 215172108 U CN215172108 U CN 215172108U
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- speed reducer
- vertical speed
- gland
- output shaft
- sealing structure
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Abstract
The utility model discloses a vertical speed reducer that possesses good seal structure, including protecting sheathing, protecting sheathing's top fixed mounting has the front end shell, and the top of front end shell is connected with the gland, the top fixed mounting of gland has the second fixed screw, and the second fixed screw is equipped with two, the symmetric distribution is in the left and right sides at gland top, and two screw holes have been seted up at the top of front end shell, and the second fixed screw of both sides is in the same place with two screw hole threaded connection, and protecting sheathing's bottom is connected with the bottom, and the both sides of bottom have seted up fixed screw, and the inside fixed mounting of fixed screw has first fixed screw, and be equipped with the cavity in the middle of protecting sheathing's the inner chamber, and the inside of cavity is equipped with the input shaft, and the top of input shaft is connected with the output shaft. This vertical speed reducer that possesses good seal structure has sealed effectual through the oil blanket that sets up, and axial force and radial force bearing capacity are big, and advantage such as stability height during the operation.
Description
Technical Field
The utility model relates to a speed reducer technical field specifically is a vertical speed reducer that possesses good seal structure.
Background
A reduction gear, which is a mechanical transmission device, is a mechanism that obtains a large torque by reducing the number of revolutions of a motor or a motor to a required number of revolutions using a speed converter of a gear. The speed reducer has the advantages of small volume and high transmission efficiency, and is widely applied to the fields of food, chemical industry, medicine and the like. In particular to a speed reducer applied to the fields of food and medicine, which is mainly used for stirring raw materials. In the stirring process, the speed reducer is vertically arranged above the container filled with the raw materials, the output shaft of the speed reducer is arranged downwards, and the raw materials are indirectly stirred through the output shaft of the speed reducer.
The existing speed reducer generally has the problems of poor sealing effect, small axial force and radial force bearing capacity and low running stability, and brings certain limitation in the actual use process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical speed reducer that possesses good seal structure to it is poor to provide the generally existing speed reducer ubiquitous sealed effect in the above-mentioned background art to solve, and axial force and radial force bearing capacity are less, and the low problem of stability during the operation, in the use of reality, has brought the problem of certain limitation.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vertical speed reducer that possesses good seal structure, including protecting sheathing, protecting sheathing's top fixed mounting has the front end shell, and the top of front end shell is connected with the gland, the top fixed mounting of gland has the second fixed screw, and the second fixed screw is equipped with two, the symmetric distribution is in the left and right sides at gland top, and two screw holes have been seted up at the top of front end shell, and the second fixed screw and two screw hole threaded connection of both sides are in the same place, and protecting sheathing's bottom is connected with the bottom, and fixed screw has been seted up to the both sides of bottom, and the inside fixed mounting of fixed screw has first fixed screw, and first fixed screw runs through protecting sheathing's bottom and bottom, and be equipped with the cavity in the middle of protecting sheathing's the inner chamber, and the inside of cavity is equipped with the input shaft, and the top of input shaft is connected with the output shaft.
Preferably, the inside of cavity is equipped with the oil interceptor, and the oil interceptor is equipped with two, and the symmetric distribution is in the left and right sides of input shaft, and the top of oil interceptor is equipped with ball bearing, and ball bearing is equipped with two, and the outside cover of output shaft is equipped with the axle sleeve, and the both sides of axle sleeve all are equipped with the second oil blanket.
Preferably, a first oil seal is arranged in the inner cavity of the protective shell, and the first oil seal and the second oil seal are both of polyacrylate rubber structures.
Preferably, the output shaft is connected to an outer side thereof through an inside of the gland.
Preferably, the output shaft is provided with a key groove matched with the flat key, and the whole key groove is in an elliptical shape.
Preferably, the input shaft and the output shaft are fixedly connected together.
Compared with the prior art, the beneficial effects of the utility model are that: this vertical speed reducer that possesses good seal structure, compare with current speed reducer under, it is sealed effectual to have through the oil blanket that sets up, axial force and radial force bearing capacity are big, and advantage such as stability during operation is high, through set up on the output shaft with flat key complex keyway, and the keyway is long circular setting, the keyway can realize transmitting great moment of torsion through the cooperation with the key, bear great load, the fastening of being connected between effectual protection output shaft and the part, the advantage that stability during operation is high has been realized.
Drawings
Fig. 1 is a front view of a vertical speed reducer with a good sealing structure of the present invention;
fig. 2 is a structural front view of the vertical speed reducer with a good sealing structure of the present invention;
fig. 3 is an enlarged schematic view of a position a in fig. 1 of the vertical speed reducer with a good sealing structure of the present invention.
In the figure: 1. gland, 2, screw hole, 3, front end shell, 4, oil separating ring, 5, protecting sheathing, 6, first set screw, 7, bottom, 8, first oil blanket, 9, input shaft, 10, output shaft, 11, keyway, 12, second set screw, 13, ball bearing, 14, cavity, 15, fixed screw, 16, axle sleeve, 17, second oil blanket.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a vertical speed reducer with a good sealing structure comprises a protective shell 5, wherein a first oil seal 8 is arranged in the inner cavity of the protective shell 5, the first oil seal 8 and a second oil seal 17 are both of a polyacrylate rubber structure, the first oil seal 8 and the second oil seal 17 on the two sides can not only play a role of sealing a fluid medium, but also play a role of lubricating between a lip and a shaft, and the advantage of good sealing effect is realized, a front end shell 3 is fixedly arranged on the top of the protective shell 5, the top of the front end shell 3 is connected with a gland 1, a second fixing screw 12 is fixedly arranged on the top of the gland 1, the second fixing screws 12 are symmetrically distributed on the left side and the right side of the top of the gland 1, two threaded holes 2 are formed in the top of the front end shell 3, the second fixing screws 12 on the two sides are in threaded connection with the two threaded holes 2, and the bottom of the protective shell 5 is connected with a bottom cover 7, the two sides of the bottom cover 7 are provided with fixing screw holes 15, the inside of the fixing screw holes 15 is fixedly provided with first fixing screws 6, the first fixing screws 6 penetrate through the bottom of the protective shell 5 and the bottom cover 7, the cavity 14 is arranged in the inner cavity of the protective shell 5, the inside of the cavity 14 is provided with two oil isolating rings 4, the two oil isolating rings 4 are symmetrically distributed on the left side and the right side of the input shaft 9, the ball bearings 13 are arranged above the oil isolating rings 4, the two ball bearings 13 are arranged, the arranged ball bearings 13 can bear radial and axial combined loads mainly comprising radial loads and can limit axial displacement of the shaft or the shell in one direction, the outer side of the output shaft 10 is sleeved with a shaft sleeve 16, the two sides of the shaft sleeve 16 are respectively provided with a second oil seal 17, the inside of the cavity 14 is provided with the input shaft 9, the top of the input shaft 9 is connected with the output shaft 10, and the input shaft 9 and the output shaft 10 are fixedly connected together, rotation through input shaft 9 can drive output shaft 10 and rotate in step, and output shaft 10 runs through gland 1's internal connection in its outside, and offer on the output shaft 10 with flat key complex keyway 11, and keyway 11 whole be oval shape setting, keyway 11 can realize transmitting great moment of torsion through the cooperation with the key, bear great load, the effectual fastening of being connected between protection output shaft and the part.
The working principle is as follows: when the vertical speed reducer with the good sealing structure is used, the structure of the device is simply known, firstly, the input shaft 9 is connected with the motor output shaft through a key, when the motor output shaft runs, force is transmitted to the input shaft 9, the rotation of the input shaft 9 drives the output shaft 10 to rotate, and force is acted on an external device through the output shaft 10, when the input shaft 9 and the output shaft 10 run through the ball bearing 13, the input shaft 9 and the output shaft 10 can bear radial and axial combined load mainly comprising radial load and can limit axial displacement of the shaft or a shell in one direction, the rubber structures with the first oil seal 8 and the second oil seal 17 which are made of polyacrylate have excellent oil resistance and heat resistance, are wear-resistant, ozone resistance and ultraviolet radiation resistance, contact between the sealing lips and the surfaces of the output shaft and the input shaft, a layer oil film can play a sealing role and then the gland 1 is fixedly installed at the top of the front end shell 3 through the second fixing screw 12, the sealing performance of the whole device is improved, and the working principle of the vertical speed reducer with a good sealing structure is the same.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a vertical speed reducer that possesses good seal structure, includes protecting sheathing (5), its characterized in that: the top of the protective shell (5) is fixedly provided with a front end shell (3), the top of the front end shell (3) is connected with a gland (1), the top of the gland (1) is fixedly provided with a second fixing screw (12), the second fixing screws (12) are arranged in two numbers and symmetrically distributed on the left side and the right side of the top of the gland (1), the top of the front end shell (3) is provided with two threaded holes (2), the second fixing screws (12) on the two sides are in threaded connection with the two threaded holes (2), the bottom of the protective shell (5) is connected with a bottom cover (7), the two sides of the bottom cover (7) are provided with fixing screw holes (15), the inside of the fixing screw holes (15) is fixedly provided with a first fixing screw (6), the first fixing screw (6) penetrates through the bottom of the protective shell (5) and the bottom cover (7), and a cavity (14) is arranged in the inner cavity of the protective shell (5), an input shaft (9) is arranged in the cavity (14), and the top of the input shaft (9) is connected with an output shaft (10).
2. The vertical speed reducer with the good sealing structure according to claim 1, wherein: the oil separating ring (4) is arranged inside the cavity (14), the two oil separating rings (4) are symmetrically distributed on the left side and the right side of the input shaft (9), the ball bearings (13) are arranged above the oil separating rings (4), the number of the ball bearings (13) is two, the shaft sleeve (16) is sleeved on the outer side of the output shaft (10), and the second oil seals (17) are arranged on the two sides of the shaft sleeve (16).
3. The vertical speed reducer with the good sealing structure according to claim 1, wherein: a first oil seal (8) is arranged in the middle of the inner cavity of the protective shell (5), and the first oil seal (8) and the second oil seal (17) are both of polyacrylate rubber structures.
4. The vertical speed reducer with the good sealing structure according to claim 1, wherein: the output shaft (10) penetrates through the interior of the gland (1) and is connected to the outer side of the gland.
5. The vertical speed reducer with the good sealing structure according to claim 1, wherein: the output shaft (10) is provided with a key groove (11) matched with the flat key, and the whole key groove (11) is in an oval shape.
6. The vertical speed reducer with the good sealing structure according to claim 1, wherein: the input shaft (9) and the output shaft (10) are fixedly connected together.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202121559060.9U CN215172108U (en) | 2021-07-09 | 2021-07-09 | Vertical speed reducer with good sealing structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121559060.9U CN215172108U (en) | 2021-07-09 | 2021-07-09 | Vertical speed reducer with good sealing structure |
Publications (1)
Publication Number | Publication Date |
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CN215172108U true CN215172108U (en) | 2021-12-14 |
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Family Applications (1)
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CN202121559060.9U Active CN215172108U (en) | 2021-07-09 | 2021-07-09 | Vertical speed reducer with good sealing structure |
Country Status (1)
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CN (1) | CN215172108U (en) |
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2021
- 2021-07-09 CN CN202121559060.9U patent/CN215172108U/en active Active
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