CN213176724U - Transmission mechanism for speed reducer - Google Patents

Transmission mechanism for speed reducer Download PDF

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Publication number
CN213176724U
CN213176724U CN202022091653.9U CN202022091653U CN213176724U CN 213176724 U CN213176724 U CN 213176724U CN 202022091653 U CN202022091653 U CN 202022091653U CN 213176724 U CN213176724 U CN 213176724U
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China
Prior art keywords
envelope
shaft
wear
bearing
casing
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CN202022091653.9U
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Chinese (zh)
Inventor
梁清华
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Hangzhou Chi Nai Transmission Machinery Co ltd
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Hangzhou Chi Nai Transmission Machinery Co ltd
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Priority to CN202022091653.9U priority Critical patent/CN213176724U/en
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Abstract

The utility model belongs to the technical field of speed reducers, in particular to a transmission mechanism for a speed reducer, which comprises a casing, wherein the inner side of the casing is provided with a shaft body, the outer wall of the shaft body is sleeved with a bearing, the outer wall of the shaft body is fixedly connected with a fixing ring, an outer envelope is inserted on the front end surface of the casing, the bearing is positioned between the fixing ring and the outer envelope, the inner side of the outer envelope is rotatably connected with a wear-resistant sleeve, and the shaft body is positioned in the wear-resistant sleeve; the bearing through setting up is located between solid fixed ring and the outer envelope, and the outer envelope is connected with the casing under fixing bolt's effect, and wear-resisting cover can be at the outer envelope internal rotation, makes the inboard wear-resisting cover of outer envelope can overlap and establish on the outer wall of axis body, and the rotation of the axis body of being convenient for is fixing solid fixed ring and the centre gripping of outer envelope bearing, can increase the pretightning force between output shaft and the bearing to avoid processing on the axis body, influenced the life of axis body.

Description

Transmission mechanism for speed reducer
Technical Field
The utility model relates to a speed reducer technical field specifically is a drive mechanism for speed reducer.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays a role in matching rotating speed and transmitting torque between the prime mover and the working machine or an actuating mechanism, and is widely applied to modern machinery.
Chinese patent publication (CN208057894U) discloses a transmission assembly of a speed reducer, which is characterized in that an output shaft is hollow, plugs are fixed at the left end and the right end of the output shaft, and the two plugs respectively seal the left end opening and the right end opening of the output shaft, the bolts are screwed to tightly press the anti-skid gasket on the annular retaining shoulder so as to effectively increase the pre-tightening force between the output shaft and the bearing, thereby effectively avoiding the axial movement phenomenon of the output shaft, improving the working stability of the speed reducer, but the pre-tightening force between the output shaft and the bearing is increased, the hollow output shaft is arranged, the original output shaft structure is changed, the processing difficulty is increased, the strength of the output shaft is easy to reduce, the service life of the output shaft is shortened, accordingly, those skilled in the art have provided a transmission mechanism for a reduction gear to solve the problems set forth in the background art described above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a drive mechanism for speed reducer to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a drive mechanism for speed reducer, includes the casing, the casing inboard is equipped with the axis body, axis body outer wall cover is equipped with the bearing, the solid fixed ring of axis body outer wall fixedly connected with, just the terminal surface pegs graft before the casing has the overcoat cover, the bearing is located gu fixed ring with between the overcoat cover, the inboard rotation of overcoat cover is connected with wear-resisting cover, just the axis body is located in the wear-resisting cover, two connecting plates of overcoat cover outer wall fixedly connected with, two the connecting plate is all pegged graft in the casing, and two all be equipped with fixing bolt on the connecting plate, the overcoat cover pass through fixing bolt with the casing spiro union is fixed.
As a further aspect of the present invention: the casing has been seted up the circular slot, solid fixed ring rotates in the circular slot.
As a further aspect of the present invention: the casing is provided with a groove, and the outer envelope is inserted in the groove.
As a further aspect of the present invention: the outer wall of the wear-resistant sleeve is fixedly connected with a limiting ring, the outer envelope is provided with a rotating groove, and the limiting ring rotates in the rotating groove.
As a further aspect of the present invention: the wear-resistant sleeve is made of brass.
As a further aspect of the present invention: the connecting plate is provided with a countersunk hole, and the fixing bolt is positioned in the countersunk hole.
As a further aspect of the present invention: the outer end face of the outer envelope is flush with the outer end face of the machine shell.
Compared with the prior art, the beneficial effects of the utility model are that:
the bearing through setting up is located between solid fixed ring and the outer envelope, the outer envelope is connected with the casing under fixing bolt's effect, wear-resisting cover can be at the outer envelope internal rotation, make the inboard wear-resisting cover of outer envelope can overlap and establish on the outer wall of axis body, be convenient for the rotation of axis body, with solid fixed ring and the bearing of outer envelope centre gripping, can increase the pretightning force between output shaft and the bearing, and avoided processing on the axis body, influence the life of axis body, and the outer envelope of setting is pegged graft in the recess, make when the outer envelope is dismantled, only need twist fixing bolt, take it out in the recess can, can be convenient for change the bearing.
Drawings
FIG. 1 is a schematic diagram of a transmission mechanism for a reducer;
FIG. 2 is a schematic structural diagram of the inside of an outer envelope of a transmission mechanism for a speed reducer;
FIG. 3 is a schematic structural diagram of a shaft body in a transmission mechanism for a speed reducer;
fig. 4 is a schematic structural diagram of an outer envelope of a transmission mechanism for a speed reducer.
In the figure: 1. a housing; 101. a groove; 102. a circular groove; 11. a shaft body; 12. a bearing; 2. a fixing ring; 3. an outer envelope; 301. a rotating groove; 31. a connecting plate; 311. a countersunk hole; 32. a wear-resistant sleeve; 321. a limiting ring; 33. and (5) fixing the bolt.
Detailed Description
Please refer to fig. 1-4, in the embodiment of the present invention, a transmission mechanism for a speed reducer, including a housing 1, a housing 1 inboard is equipped with an axis body 11, an axis body 11 outer wall cover is equipped with a bearing 12, an axis body 11 outer wall fixedly connected with fixes the ring 2, and the terminal surface is pegged graft before the housing 1 has an envelope 3, the bearing 12 is located between fixed ring 2 and the envelope 3, 3 inboard rotations of envelope are connected with wear-resisting cover 32, and an axis body 11 is located wear-resisting cover 32, two connecting plates 31 of 3 outer wall fixedly connected with of envelope, two connecting plates 31 are all pegged graft in housing 1, and all be equipped with fixing bolt 33 on two connecting plates 31, envelope 3 passes through fixing bolt 33 and is fixed with housing 1.
In fig. 1-3: the inner side of the casing 1 is provided with a shaft body 11, the outer wall of the shaft body 11 is sleeved with a bearing 12, the bearing 12 can be installed in the casing 1 and can connect the bearing 12 with the shaft body 11, the outer wall of the shaft body 11 is fixedly connected with a fixing ring 2, the front end face of the casing 1 is inserted with an outer envelope 3, the bearing 12 is positioned between the fixing ring 2 and the outer envelope 3 through the arrangement, the casing 1 is provided with a circular groove 102, the fixing ring 2 rotates in the circular groove 102, when the shaft body 11 rotates, the fixing ring 2 can be driven to rotate in the circular groove 102, the outer wall of the outer envelope 3 is fixedly connected with two connecting plates 31, the two connecting plates 31 are inserted in the casing 1, the two connecting plates 31 are respectively provided with a fixing bolt 33, the outer envelope 3 is fixed with the casing 1 through the fixing, the outer wall of the wear-resistant sleeve 32 is fixedly connected with a limiting ring 321, the outer envelope 3 is provided with a rotating groove 301, the limiting ring 321 rotates in the rotating groove 301, when the shaft body 11 rotates, the wear-resistant sleeve 32 can be driven to rotate, the limiting ring 321 rotates in the rotating groove 301, the wear-resistant sleeve 32 and the shaft body 11 rotate relatively, the connection of the shaft body 11 can be enhanced, the wear-resistant sleeve 32 can rotate in the outer envelope 3, the wear-resistant sleeve 32 on the inner side of the outer envelope 3 can be sleeved on the outer wall of the shaft body 11, the rotation of the shaft body 11 is convenient, the bearing 12 is clamped between the fixing ring 2 and the outer envelope 3, the pre-tightening force between the output shaft and the bearing 12 can be increased, the processing on the shaft body 11 is avoided, the service life of the shaft body 11 is influenced, the casing 1 is provided with a groove 101, the outer envelope 3 is inserted in the groove 101, and the arranged outer envelope 3 is, it can to take it out in recess 101, can be convenient for change bearing 12, counter bore 311 has been seted up to connecting plate 31, fixing bolt 33 is located counter bore 311, fixing bolt 33 is the countersunk screw, can be convenient for operate, and the fixing bolt 33 that is located counter bore 311 can not occupy the space in the speed reducer outside, the outer end face of 3 outside of outer envelope and casing 1 outside terminal surface parallel and level, can make it not occupy the space outside casing 1, the speed reducer installation of being convenient for.
In fig. 4: the material of wear-resisting cover 32 is brass, and brass itself has higher intensity, and the plasticity is good, can bear well cold, hot pressure processing, has good mechanical properties, and good wear resistance improves the life-span of using, when the shaft body 11 rotates, can take wear-resisting cover 32 to rotate, and spacing collar 321 rotates in rotating groove 301, and wear-resisting cover 32 rotates with the shaft body 11 relatively, can strengthen being connected of shaft body 11.
The utility model discloses a theory of operation is: when in use, the bearing 12 can be installed in the casing 1, the bearing 12 can be connected with the shaft body 11, the outer wall of the shaft body 11 is fixedly connected with the fixing ring 2, the outer envelope 3 is inserted into the front end face of the casing 1, the bearing 12 is positioned between the fixing ring 2 and the outer envelope 3 through arrangement, the casing 1 is provided with the circular groove 102, the fixing ring 2 rotates in the circular groove 102, when the shaft body 11 rotates, the fixing ring 2 can be driven to rotate in the circular groove 102, the outer wall of the outer envelope 3 is fixedly connected with two connecting plates 31, the two connecting plates 31 are inserted into the casing 1, the two connecting plates 31 are respectively provided with the fixing bolt 33, the outer envelope 3 is fixed with the casing 1 through the fixing bolt 33 in a threaded manner, the outer envelope 3 is connected with the casing 1 under the action of the fixing bolt 33, the outer envelope 3 is provided with a rotating groove 301, the limiting ring 321 rotates in the rotating groove 301, when the shaft body 11 rotates, the wear-resistant sleeve 32 can be driven to rotate, the limiting ring 321 rotates in the rotating groove 301, the wear-resistant sleeve 32 rotates relative to the shaft body 11, the connection of the shaft body 11 can be enhanced, the wear-resistant sleeve 32 can rotate in the outer envelope 3, the wear-resistant sleeve 32 on the inner side of the outer envelope 3 can be sleeved on the outer wall of the shaft body 11, the rotation of the shaft body 11 is facilitated, the wear-resistant sleeve 32 is made of brass, the brass has high strength and good plasticity, can well bear cold and hot pressure processing, has good mechanical property and good wear resistance, the service life is prolonged, the bearing 12 is clamped between the fixing ring 2 and the outer envelope 3, the pre-tightening force between the output shaft and the bearing 12 can be increased, the processing on the shaft body 11 is avoided, and the service life of, casing 1 is seted up flutedly 101, outer envelope 3 is pegged graft in flutedly 101, and the outer envelope 3 of setting is pegged graft in flutedly 101, make when outer envelope 3 is dismantled, only need twist fixing bolt 33, take it out in flutedly 101, can be convenient for change bearing 12, counter bore 311 has been seted up to connecting plate 31, fixing bolt 33 is located counter bore 311, fixing bolt 33 is the counter bore screw, can be convenient for operate, and fixing bolt 33 that is located counter bore 311 can not occupy the space in the speed reducer outside, outer 3 outside end face of outer envelope and casing 1 outside terminal surface parallel and level, can make it not occupy the outer space of casing 1, be convenient for the speed reducer installation.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A transmission mechanism for a speed reducer comprises a machine shell (1), wherein a shaft body (11) is arranged on the inner side of the machine shell (1), a bearing (12) is sleeved on the outer wall of the shaft body (11), it is characterized in that the outer wall of the shaft body (11) is fixedly connected with a fixing ring (2), an outer envelope (3) is inserted into the front end face of the shell (1), the bearing (12) is positioned between the fixed ring (2) and the outer envelope (3), the inner side of the outer envelope (3) is rotatably connected with a wear-resistant sleeve (32), the shaft body (11) is positioned in the wear-resistant sleeve (32), the outer wall of the outer envelope (3) is fixedly connected with two connecting plates (31), the two connecting plates (31) are inserted in the shell (1), and two connecting plates (31) are respectively provided with a fixing bolt (33), and the outer envelope (3) is fixed with the machine shell (1) in a threaded manner through the fixing bolts (33).
2. A transmission mechanism for a speed reducer as claimed in claim 1, wherein the casing (1) is provided with a circular groove (102), and the fixing ring (2) rotates in the circular groove (102).
3. The transmission mechanism for the speed reducer according to claim 1, wherein the casing (1) is provided with a groove (101), and the outer envelope (3) is inserted into the groove (101).
4. The transmission mechanism for the speed reducer according to claim 1, wherein a limiting ring (321) is fixedly connected to the outer wall of the wear-resistant sleeve (32), a rotating groove (301) is formed in the outer envelope (3), and the limiting ring (321) rotates in the rotating groove (301).
5. A transmission for a reducer, according to claim 1, characterized in that said wear-resistant sleeve (32) is made of brass.
6. A transmission mechanism for a speed reducer as claimed in claim 1, wherein the connecting plate (31) is provided with a countersunk hole (311), and the fixing bolt (33) is located in the countersunk hole (311).
7. A transmission mechanism for a reducer according to claim 1, characterised in that the external end face of the external envelope (3) is flush with the external end face of the casing (1).
CN202022091653.9U 2020-09-22 2020-09-22 Transmission mechanism for speed reducer Active CN213176724U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022091653.9U CN213176724U (en) 2020-09-22 2020-09-22 Transmission mechanism for speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022091653.9U CN213176724U (en) 2020-09-22 2020-09-22 Transmission mechanism for speed reducer

Publications (1)

Publication Number Publication Date
CN213176724U true CN213176724U (en) 2021-05-11

Family

ID=75775104

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022091653.9U Active CN213176724U (en) 2020-09-22 2020-09-22 Transmission mechanism for speed reducer

Country Status (1)

Country Link
CN (1) CN213176724U (en)

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