CN201679907U

CN201679907U - Single-stage helical gear speed reducer

Info

Publication number: CN201679907U
Application number: CN201020201668XU
Authority: CN
Inventors: 厉天龙; 项益友
Original assignee: ZHEJIANG SHUNTIAN SPEED REDUCER MANUFACTURING Co Ltd
Current assignee: ZHEJIANG SHUNTIAN SPEED REDUCER MANUFACTURING Co Ltd
Priority date: 2010-05-21
Filing date: 2010-05-21
Publication date: 2010-12-22
Anticipated expiration: 2020-05-21

Abstract

The utility model relates to a single-state helical gear speed reducer which comprises a reducer body, and an input shaft and an output shaft of the speed reducer, wherein the output shaft is linked with the input shaft by a transmission mechanism. The single-stage helical gear speed reducer is characterized in that the transmission mechanism comprises a first helical gear which is sheathed on and linked with the input shaft, and a second helical gear which is sheathed on and linked with the output shaft; and the tooth number of the second helical gear is smaller than that of the first helical gear, and the second helical gear is meshed with the first helical gear so as to form the linkage between the input shaft and the output shaft. Therefore, the linkage between the input shaft and the output shaft is directly formed by the meshing between the first helical gear on the input shaft and the second helical gear on the output shaft, and only primary transmission exists between the helical gears, the purpose of single-stage speed reduction is also achieved, simultaneously, the structure of the speed reducer is simple, the action is consistent, the energy loss caused by the transmission is reduced, and the manufacturing cost of the speed reducer is greatly lowered.

Description

The single stage helical speed reducer

Technical field

The utility model relates to speed reducer, particularly the single stage helical speed reducer.

Background technique

Speed reducer is that a kind of power is passed on mechanism, utilizes the velocity transducer of gear, the winding number of motor or motor is decelerated to desired winding number, and obtain the mechanism of big torque.Be used for the mechanism of transferring power and motion at present, the application area of speed reducer is quite extensive, almost in the transmission system of various machinery, can see its trace, from boats and ships, automobile, the locomotive of the traffic tool, heavy facility for building, machining machine and tool that mechanical industry is used and automated production equipment, common household electrical appliances in the daily life, clock and watch or the like. it uses the transmission work from big power, and to little load, accurate angle transmission can be seen the application of speed reducer.

But occur in the market with report in occur be used for gear reduction unit on the motor, general all is that multistage setting is to reach the requirement of output, just its gear needs a lot of, engagement between a plurality of gears that vary in size drives the rotation of output shaft at last, this just makes that the volume of speed reducer is very huge, is not easy to the installation of motor, has increased cost again virtually, and because complex structure, the probability that breaks down increases greatly.

Summary of the invention

For solving the deficiencies in the prior art, the utility model provides a kind of single stage helical speed reducer simple in structure.

For achieving the above object, a kind of single stage helical speed reducer that the utility model provides, the input shaft and the output shaft that comprise body, speed reducer, described output shaft is by the interlock of driving mechanism formation with input shaft, be characterized in described driving mechanism comprise be set on the input shaft and with first helical gear of input shaft interlock and be set on the output shaft and with second helical gear of output shaft interlock, the described second helical gear number of teeth is less than first helical gear and constitutes the interlock of input shaft and output shaft with the engagement of first helical gear.

Single stage helical speed reducer with above-mentioned setting, just can directly constitute the interlock of input shaft and output shaft by the second helical gear engagement on first helical gear on the input shaft and the defeated place axle, has only the one-level transmission between the helical gear, also just reached the purpose that single-stage is slowed down, make the simple in structure of speed reducer simultaneously, action links up, and has reduced the energy consumption that may bring between the transmission, greatly reduces the manufacture cost of speed reducer in addition.

The utility model further is set to: the outside of the outside of the described first helical gear inboard and input shaft and the second helical gear inboard and output shaft is respectively equipped with corresponding grooves, is provided with adaptive and constitute the linkage rod of first helical gear and input shaft and second helical gear and output shaft synchronization motion with groove in the groove.

Single stage helical speed reducer with above-mentioned setting just can very reasonably constitute action between helical gear and the axle by linkage rod, certainly, also can be to constitute interlock or fixing by other modes between helical gear and the axle, such as welding, and clamping or the like.

The utility model further is set to: described input shaft and output shaft are set in parallel.

Single stage helical speed reducer with above-mentioned setting, between input shaft and the output shaft during by the helical gear transmission conduction of its power just do not have dispersion, help the concentrated transmission of power, reduce idle work.

The utility model further is set to: the shaft of motor of described input shaft for cooperating with speed reducer, the body of described speed reducer are provided with the working hole that the rotating shaft of power supply motivation is passed.

Have the single stage helical speed reducer of above-mentioned setting, because directly utilized shaft of motor, so can further reduce the volume of speed reducer, the dissipation with power simultaneously is reduced to minimum.Certainly, it also can be by doing input shaft with the bar of motor rotary shaft interlock, but has increased the volume of speed reducer so undoubtedly and increased the cost of speed reducer.

The beneficial effects of the utility model are: transmit by single stage helical, simplified the structure of speed reducer, reduced the cost of speed reducer, the transmission of exerting all one's strength is more reasonable.

Below in conjunction with the drawings and specific embodiments the utility model is done further introduction.

Description of drawings

Fig. 1 is the utility model example structure schematic representation.

Fig. 2 is the schematic representation of linkage rod between the utility model helical gear and the axle.

Embodiment

So as Fig. 1, Fig. 2, the utility model embodiment, be a kind of single stage helical speed reducer, the input shaft 2 and the output shaft 3 that comprise body 1, speed reducer, described output shaft 3 is by the interlock of driving mechanism formation with input shaft 2, described driving mechanism comprise be set on the input shaft 2 and with first helical gear 21 of input shaft 2 interlocks and be set on the output shaft 3 and with second helical gear 31 of output shaft 3 interlocks, the number of teeth of described second helical gear 31 is less than first helical gear 21 and constitutes the interlock of input shafts 2 and output shaft 3 with 21 engagements of first helical gear.

In the present embodiment, the outside of the inboard of the outside of the inboard of described first helical gear 21 and input shaft 2 and second helical gear 31 and output shaft 3 is respectively equipped with corresponding grooves 22, is provided with adaptive and constitute the linkage rod 221 of first helical gear 21 and input shaft 2 and second helical gear 31 and output shaft 3 synchronization motions with groove 22 in the groove 22.Certainly, we also can select other interlock modes, such as clamping or directly welding.

In the present embodiment, described input shaft 2 and output shaft 3 are set in parallel.Certainly, both also can be inclinations at an angle, and helical gear will be selected oblique helical gear this moment, but the loss that just may strengthen power like this.

In the present embodiment, described input shaft 2 is the rotating shaft of the motor 4 that cooperates with speed reducer, and the body 1 of described speed reducer is provided with the working hole 11 that 4 rotating shafts of power supply motivation are passed.Certainly, we also can select a bar with motor 4 rotating shafts interlocks to do the input shaft of speed reducer, but such one be to have increased cost, and the 2nd, increased the volume of speed reducer.

Claims

1. single stage helical speed reducer, the input shaft and the output shaft that comprise body, speed reducer, described output shaft is by the interlock of driving mechanism formation with input shaft, it is characterized in that: described driving mechanism comprise be set on the input shaft and with first helical gear of input shaft interlock and be set on the output shaft and with second helical gear of output shaft interlock, the described second helical gear number of teeth is less than first helical gear and constitutes the interlock of input shaft and output shaft with the engagement of first helical gear.

2. single stage helical speed reducer according to claim 1, it is characterized in that: the outside of the outside of the described first helical gear inboard and input shaft and the second helical gear inboard and output shaft is respectively equipped with corresponding grooves, is provided with adaptive and constitute the linkage rod of first helical gear and input shaft and second helical gear and output shaft synchronization motion with groove in the groove.

3. single stage helical speed reducer according to claim 1 and 2 is characterized in that: described input shaft and output shaft are set in parallel.

4. single stage helical speed reducer according to claim 3 is characterized in that: the shaft of motor of described input shaft for cooperating with speed reducer, the body of described speed reducer are provided with the working hole that the rotating shaft of power supply motivation is passed.