CN204900693U - Improvement type speed reducer - Google Patents

Improvement type speed reducer Download PDF

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Publication number
CN204900693U
CN204900693U CN201520659059.1U CN201520659059U CN204900693U CN 204900693 U CN204900693 U CN 204900693U CN 201520659059 U CN201520659059 U CN 201520659059U CN 204900693 U CN204900693 U CN 204900693U
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CN
China
Prior art keywords
gear
described
worm
input shaft
provided
Prior art date
Application number
CN201520659059.1U
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Chinese (zh)
Inventor
周清泉
Original Assignee
东莞市万鑫机电有限公司
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Publication date
Application filed by 东莞市万鑫机电有限公司 filed Critical 东莞市万鑫机电有限公司
Priority to CN201520659059.1U priority Critical patent/CN204900693U/en
Application granted granted Critical
Publication of CN204900693U publication Critical patent/CN204900693U/en

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Abstract

The utility model discloses an improvement type speed reducer, it includes: a quick -witted case, install input shaft and the output shaft on quick -witted case and install the step down gear mechanism in quick -witted case, step down gear mechanism includes: install worm wheel in quick -witted case, be connected the main drive axle that is used for drive worm pivoted worm and is used for driving this worm pivot with the worm wheel, the output shaft sets up on the worm wheel, input shaft and main drive axle interlock, just input shaft and output shaft mutually perpendicular distribute. The utility model discloses the during operation, earlier through the input shaft motor, this motor drive input shaft rotates, and this input shaft rotates through little double gear drive main drive axle, and this main drive axle makes the worm rotation through the vice gear revolve to one side of main helical gear drive, this worm is rotated through helical tooth drive worm at the pivoted simultaneously, and the worm wheel drive the output shaft rotates, finally plays good matching rotational speed and transmitting torque's effect, and the driven stable preferred of whole process.

Description

Improved type speed reducer

technical field:

The utility model relates to speed reducer technical field, refers in particular to a kind of improved type speed reducer.

background technique:

Speed reducer is a kind of speed changer, it is generally used for the transmission device of low rotation speed large torque, principle is motor, internal-combustion engine, motor or other power run up, and by the gearwheel on the gears meshing output shaft that the number of teeth on the input shaft of speed reducer is few, thus reaches the object of deceleration; The ratio of the number of teeth of large small gear is exactly velocity ratio.Retarder is commonly used for the speed reduction gearing between prime mover and working machine, plays coupling rotating speed and transmitting torque, apply very extensive in modern mechanical between prime mover and working machine or actuator.

Retarder of the prior art generally comprises: a cabinet, be installed on input shaft and the output shaft on cabinet and be installed in cabinet and the reduction gearing mechanism be connected between input shaft and output shaft, the structure of this reduction gearing mechanism is very simple, cause its transmission stability not good, and the effect of coupling rotating speed and transmitting torque is not ideal enough; Or the structure of this reduction gearing mechanism is comparatively complicated, make its transmission stability better, and the effect of coupling rotating speed and transmitting torque is ideal, but its fabricating cost is high, is unfavorable for maintenance.

In view of this, the present inventor proposes following technological scheme.

model utility content:

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of improved type speed reducer.

In order to solve the problems of the technologies described above, the utility model have employed following technical proposals: this improved type speed reducer comprises: a cabinet, be installed on input shaft and the output shaft on cabinet and be installed in cabinet and the reduction gearing mechanism be connected between input shaft and output shaft, described reduction gearing mechanism comprises: be installed on the worm gear in cabinet, be connected for driving the worm screw of worm gear wheel and for driving the main driving axle of this worm screw rotating shaft with worm gear, described output shaft is arranged on worm gear, described input shaft and main driving axle interlock, and described input shaft and the mutual vertical distribution of output shaft.

Furthermore, in technique scheme, described input shaft rear end is provided with little Double-gear; Described main driving axle is provided with large Double-gear, and this large Double-gear engages with little Double-gear.

Furthermore, in technique scheme, described main driving axle is provided with main helical gear, described worm screw one end is provided with secondary helical gear, and this secondary helical gear engages with main helical gear.

Furthermore, in technique scheme, described main driving axle one end is provided with first, second bearing, this main driving axle the other end is provided with the 3rd, the 4th bearing, and being provided with the first sleeve block in the middle part of this main driving axle, this first, second bearing and the 3rd, the 4th bearing and the first sleeve block are fixed in cabinet.

Furthermore, in technique scheme, be provided with first, second step trough in described cabinet, first, second bearing described is fixedly installed in this first step trough; Described 3rd, the 4th bearing is fixedly installed in this second step trough.

Furthermore, in technique scheme, be provided with helical tooth in the middle part of described worm screw, this helical tooth is meshed with the tooth of worm gear outer rim.

Furthermore, in technique scheme, described worm screw is mounted opposite and the helical gear the other end of pair is provided with the 5th bearing, and this worm screw is also provided with the second sleeve block, and this second sleeve block is between secondary helical gear and helical tooth.

After adopting technique scheme, the utility model has following beneficial effect compared with prior art: during utility model works, first connect motor by input shaft, this motor drives input shaft to rotate, this input shaft is rotated by the large Double-gear of little Double-gear drive installation on main driving axle, rotate to cause this main driving axle, and this main driving axle drives the rotation of secondary helical gear to impel worm screw rotation by main helical gear, this worm screw drives worm gear wheel by helical tooth while rotation, and output shaft rotation described in worm-gear driven, finally play good coupling rotating speed and the effect of transmitting torque, and the stability of whole process transmission is better.In addition, the utility model structure is comparatively simple, and is convenient to maintenance.

accompanying drawing illustrates:

Fig. 1 is structural representation of the present utility model.

embodiment:

Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.

As shown in Figure 1, for a kind of improved type speed reducer, it comprises: a cabinet 1, be installed on input shaft 2 and the output shaft 3 on cabinet 1 and be installed in cabinet 1 and the reduction gearing mechanism 4 be connected between input shaft 2 and output shaft 3, described reduction gearing mechanism 4 comprises: be installed on the worm gear 41 in cabinet 1, worm screw 42 for driving worm gear 41 to rotate is connected and for driving the main driving axle 43 of this worm screw 42 rotating shaft with worm gear 41, described output shaft 3 is arranged on worm gear 41, described input shaft 2 and main driving axle 43 interlock, and described input shaft 2 and output shaft 3 vertical distribution mutually.Due to described input shaft 2 and output shaft 3 vertical distribution mutually, and some special transmission demands can be met.

Described input shaft 2 rear end is provided with little Double-gear 21; Described main driving axle 43 is provided with large Double-gear 431, and this large Double-gear 431 engages with little Double-gear 31, main driving axle 43 can be driven to rotate to cause this output shaft 3

Described main driving axle 43 is provided with main helical gear 432, and described worm screw 42 one end is provided with secondary helical gear 421, and this secondary helical gear 421 engages with main helical gear 432, worm screw 42 can be driven to rotate to cause main driving axle 43.

Described main driving axle 43 one end is provided with first, second bearing 433,434, this main driving axle 43 the other end is provided with the 3rd, the 4th bearing 435,436, and be provided with the first sleeve block 437 in the middle part of this main driving axle 43, this first, second bearing the 433,434 and the 3rd, the 4th bearing 435,436 and first sleeve block 437 is fixed in cabinet 1, run highly stable, to have preferably transmission stability to cause this main driving axle 43.Specifically, be provided with first, second step trough in described cabinet 1, first, second bearing 433,434 described is fixedly installed in this first step trough, and the structure of this first step trough has effect of oil-leakage-prevention; Described 3rd, the 4th bearing 435,436 is fixedly installed in this second step trough, and the structure of this second step trough has effect of oil-leakage-prevention equally.

Be provided with helical tooth 422 in the middle part of described worm screw 42, this helical tooth 422 is meshed with the tooth of worm gear 41 outer rim, and to cause this worm screw 42 that worm gear 41 can be driven to rotate, and this worm gear 41 drives described output shaft rotation.In addition, the other end that described worm screw 42 is mounted opposite in secondary helical gear 421 is provided with the 5th bearing 423, and this worm screw 42 is also provided with the second sleeve block 424, this second sleeve block 424 is between secondary helical gear 421 and helical tooth 422, described worm screw 42 is installed in cabinet by described 5th bearing 423 and the second sleeve block 424, the stability that this worm screw 42 is rotated can be improved, to have preferably transmission stability.

During utility model works, first connect motor by input shaft 2, this motor drives input shaft 2 to rotate, this input shaft 2 is rotated by the large Double-gear 431 of little Double-gear 31 drive installation on main driving axle 43, rotate to cause this main driving axle 43, and this main driving axle 43 drives the rotation of secondary helical gear 421 to impel worm screw 42 to rotate by main helical gear 432, this worm screw 42 drives worm gear 41 to rotate by helical tooth 422 while rotation, and worm gear 41 drives described output shaft rotation, finally play good coupling rotating speed and the effect of transmitting torque, and the stability of whole process transmission is better.In addition, the utility model structure is comparatively simple, and is convenient to maintenance.

Certainly, the foregoing is only specific embodiment of the utility model, be not limit the utility model practical range, all equivalences done according to structure, feature and principle described in the utility model claim change or modify, and all should be included in the utility model claim.

Claims (7)

1. improved type speed reducer, it comprises: a cabinet (1), be installed on input shaft (2) and the output shaft (3) on cabinet (1) and be installed in cabinet (1) and the reduction gearing mechanism (4) be connected between input shaft (2) and output shaft (3), it is characterized in that: described reduction gearing mechanism (4) comprising: be installed on the worm gear (41) in cabinet (1), worm screw (42) for driving worm gear (41) to rotate is connected and for driving the main driving axle (43) of this worm screw (42) rotating shaft with worm gear (41), described output shaft (3) is arranged on worm gear (41), described input shaft (2) and main driving axle (43) interlock, and described input shaft (2) and output shaft (3) vertical distribution mutually.
2. improved type speed reducer according to claim 1, is characterized in that: described input shaft (2) rear end is provided with little Double-gear (21); Described main driving axle (43) is provided with large Double-gear (431), this large Double-gear (431) engages with little Double-gear (31).
3. improved type speed reducer according to claim 1, it is characterized in that: described main driving axle (43) is provided with main helical gear (432), described worm screw (42) one end is provided with secondary helical gear (421), and this secondary helical gear (421) engages with main helical gear (432).
4. improved type speed reducer according to claim 1, it is characterized in that: described main driving axle (43) one end is provided with first, second bearing (433,434), this main driving axle (43) the other end is provided with the 3rd, the 4th bearing (435,436), and this main driving axle (43) middle part is provided with the first sleeve block (437), this first, second bearing (433,434) and the 3rd, the 4th bearing (435,436) and the first sleeve block (437) are fixed in cabinet (1).
5. improved type speed reducer according to claim 4, is characterized in that: be provided with in described cabinet (1) in first, second step trough, and first, second bearing described (433,434) is fixedly installed in this first step trough; Described 3rd, the 4th bearing (435,436) is fixedly installed in this second step trough.
6. improved type speed reducer according to claim 3, is characterized in that: described worm screw (42) middle part is provided with helical tooth (422), and this helical tooth (422) is meshed with the tooth of worm gear (41) outer rim.
7. improved type speed reducer according to claim 6, it is characterized in that: the other end that described worm screw (42) is mounted opposite in secondary helical gear (421) is provided with the 5th bearing (423), and this worm screw (42) is also provided with the second sleeve block (424), this second sleeve block (424) is positioned between secondary helical gear (421) and helical tooth (422).
CN201520659059.1U 2015-08-28 2015-08-28 Improvement type speed reducer CN204900693U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520659059.1U CN204900693U (en) 2015-08-28 2015-08-28 Improvement type speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520659059.1U CN204900693U (en) 2015-08-28 2015-08-28 Improvement type speed reducer

Publications (1)

Publication Number Publication Date
CN204900693U true CN204900693U (en) 2015-12-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520659059.1U CN204900693U (en) 2015-08-28 2015-08-28 Improvement type speed reducer

Country Status (1)

Country Link
CN (1) CN204900693U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106038130A (en) * 2016-07-20 2016-10-26 宁波康麦隆医疗器械有限公司 Intelligent mattress
CN106137611A (en) * 2016-07-20 2016-11-23 浙江捷昌线性驱动科技股份有限公司 A kind of ultralow bed
CN107035850A (en) * 2017-05-31 2017-08-11 江苏恒减传动设备有限公司 Fan refrigeration-type reductor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106038130A (en) * 2016-07-20 2016-10-26 宁波康麦隆医疗器械有限公司 Intelligent mattress
CN106137611A (en) * 2016-07-20 2016-11-23 浙江捷昌线性驱动科技股份有限公司 A kind of ultralow bed
CN107035850A (en) * 2017-05-31 2017-08-11 江苏恒减传动设备有限公司 Fan refrigeration-type reductor

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