CN110792732A

CN110792732A - Gear reducer with self-locking mechanism

Info

Publication number: CN110792732A
Application number: CN201810880248.XA
Authority: CN
Inventors: 莫小红
Original assignee: Huizhou Gongteng Technology Co Ltd
Current assignee: Huizhou Gongteng Technology Co Ltd
Priority date: 2018-08-03
Filing date: 2018-08-03
Publication date: 2020-02-14

Abstract

The invention discloses a gear speed reducer with a self-locking mechanism, which comprises an upper shell, an output tooth, a clutch tooth, a middle shell and a bottom shell, wherein the middle shell is arranged above the bottom shell, the output tooth is arranged inside the middle shell, the clutch tooth is arranged on the middle shell on one side of the output tooth through a clutch tooth shaft, an M3 flat pad is arranged in the middle position of the clutch tooth, an RS608 three-stage tooth is arranged on the middle shell on one side of the clutch tooth through a second-stage tooth optical axis, the RS608 three-stage tooth is mutually meshed with the output tooth, a first-stage tooth is arranged on the middle shell on one side of the RS608 three-stage tooth through a first-stage tooth optical axis, the upper shell is arranged above the middle shell, a 020 iron core motor is arranged on the inner side of the upper shell through a motor screw, and a. When the load exceeds the specified limit load, the clutch function can be automatically realized under the action of the clutch mechanism, the mechanism is protected from being damaged, the protection effect of artificial damage is realized, and the safety is high.

Description

Gear reducer with self-locking mechanism

Technical Field

The invention relates to the technical field of gear transmission mechanisms, in particular to a gear speed reducer with a self-locking mechanism.

Background

The gear reducer is generally used for low-rotating-speed and high-torque transmission equipment, and the common reducer of the motor also has several pairs of gears with the same principle to achieve an ideal speed reduction effect, wherein the ratio of the number of the teeth of the large gear to the number of the teeth of the small gear is the transmission ratio. With the continuous development of the speed reducer industry, more and more enterprises apply the speed reducer.

However, the existing product has the following defects that 1, when the limit load is exceeded, the gear is damaged mechanically, the fixed connecting piece is damaged, and the like; 2. the safety use requirements cannot be met under specific conditions; 3. when the power is on or in a standby state, external acting force cannot twist; 4. after power failure or during standby, the motor can rotate in a weightless manner.

Disclosure of Invention

The invention aims to provide a gear speed reducer with a self-locking mechanism, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a gear reducer of mechanism auto-lock, includes epitheca, output tooth, separation and reunion tooth, mesochite and drain pan, the mesochite is installed to the top of drain pan, and PCB is installed through the PCB screw in the bottom of mesochite, the potentiometre is installed through the potentiometre screw in the mesochite bottom of PCB one side, and the output of potentiometre is connected with the input electricity of PCB, the internally mounted of mesochite has the output tooth, installs the separation and reunion tooth through separation and reunion tooth axle on the mesochite of output tooth one side, and the intermediate position department of separation and reunion tooth installs the flat pad of M3, install the tertiary tooth of RS608 through the second grade tooth optical axis on the mesochite of separation and reunion tooth one side, and the tertiary tooth intermeshing of RS608, the epitheca is installed to the mesochite on the mesochite of RS608 tertiary tooth one side through one-level tooth optical axis, and the inboard of epitheca installs the 020 iron core motor screw, and a worm is arranged on an output rotor of the 020 iron core motor, and the worm is meshed with the first-level teeth.

Preferably, the upper shell, the middle shell and the bottom shell are fixedly connected through a shell screw penetrating through the middle shell.

Preferably, a primary tooth shaft sleeve is arranged at the joint of the primary tooth and the primary tooth optical axis.

Preferably, a shaft sleeve is arranged at the connecting position of the RS608 tertiary teeth and the optical axis of the secondary teeth.

Preferably, the top end of the clutch gear shaft is provided with a clutch gear upper shaft sleeve, the bottom end of the clutch gear shaft is provided with a clutch gear lower shaft sleeve, the clutch gear shaft below the clutch gear upper shaft sleeve is provided with a clutch gear spring, and a 2.0 opening clamp spring is arranged between the clutch gear spring and the clutch gear upper shaft sleeve.

Preferably, the top end of the output tooth is connected with the inner wall of the upper shell through an upper output tooth shaft sleeve, and the bottom end of the output tooth is connected with the inner wall of the bottom shell through a lower output tooth shaft sleeve.

Compared with the prior art, the invention has the beneficial effects that: through axle sleeve on the separation and reunion tooth, 2.0 opening jump ring, separation and reunion tooth spring, the flat pad of M3, the separation and reunion tooth, axle sleeve under the separation and reunion tooth, separation and reunion tooth axle constitutes an independent clutching mechanism, 020 iron core motor passes through the worm and drives one-level tooth, the rotation of the tertiary tooth of RS068, the rethread output tooth gives outside machinery with power transmission, thereby realize when surpassing appointed limit load, because clutching mechanism's effect can realize the separation and reunion function automatically, protection machanism does not receive the damage, play a guard action because of artificial damage, the security is high, adopt high performance's plastic material to make relevant gear and casing in order to satisfy high performance simultaneously, low cost, light-weighted.

Drawings

Fig. 1 is a schematic diagram of an explosive structure of the present invention.

In the figure: 1. an upper shell; 2. a 020 iron core motor; 3. a worm; 4. a motor screw; 5. a primary gear shaft sleeve; 6. a primary gear optical axis; 7. primary teeth; 8. a secondary tooth optical axis; 9. RS608 three-stage teeth; 10. a shaft sleeve; 11. the clutch teeth are arranged on the shaft sleeve; 12. 2.0 opening clamp spring; 13. a clutch tooth spring; 14. m3 flat pad; 15. the output gear is provided with a shaft sleeve; 16. outputting a tooth; 17. a clutch tooth; 18. a lower shaft sleeve of the output gear; 19. a clutch gear lower shaft sleeve; 20. a clutch gear shaft; 21. a middle shell; 22. a potentiometer; 23. a potentiometer screw; 24. a PCB; 25. PCB screws; 26. a bottom case; 27. a housing screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention: a gear speed reducer with a self-locking mechanism comprises an upper shell 1, an output tooth 16, a clutch tooth 17, a middle shell 21 and a bottom shell 26, wherein the middle shell 21 is installed above the bottom shell 26, the bottom of the middle shell 21 is provided with a PCB24 through a PCB screw 25, the bottom of the middle shell 21 at one side of a PCB24 is provided with a potentiometer 22 through a potentiometer screw 23, the output end of the potentiometer 22 is electrically connected with the input end of a PCB24, the output tooth 16 is installed inside the middle shell 21, the middle shell 21 at one side of the output tooth 16 is provided with the clutch tooth 17 through a clutch tooth shaft 20, the middle position of the clutch tooth 17 is provided with an M3 flat cushion 14, the top end of the clutch tooth shaft 20 is provided with a clutch tooth upper shaft sleeve 11, the bottom end of the clutch tooth shaft 20 is provided with a clutch tooth lower shaft sleeve 19, the clutch tooth shaft 20 below the clutch tooth upper shaft sleeve 11 is provided with a clutch tooth spring 13, and a 2.0 opening snap, an RS608 tertiary tooth 9 is arranged on the middle shell 21 on one side of the clutch tooth 17 through a secondary tooth optical axis 8, a shaft sleeve 10 is arranged at the joint of the RS608 tertiary tooth 9 and the secondary tooth optical axis 8, the RS608 tertiary tooth 9 is meshed with the output tooth 16, a primary tooth 7 is arranged on the middle shell 21 on one side of the RS608 tertiary tooth 9 through a primary tooth optical axis 6, a primary tooth shaft sleeve 5 is arranged at the joint of the primary tooth 7 and the primary tooth optical axis 6, the primary tooth 7 is meshed with the RS608 tertiary tooth 9, an upper shell 1 is arranged above the middle shell 21, the upper shell 1, the middle shell 21 and a bottom shell 26 are fixedly connected through a shell screw 27 penetrating through the middle shell 21, an iron core 020 worm motor 2 is arranged on the inner side of the upper shell 1 through a motor screw 4, the top end of the output tooth 16 is connected with the inner wall of the upper shell 1 through an output tooth upper shaft sleeve 15, the bottom end of the output tooth 16 is connected with the inner wall of the bottom shell 26 through an output tooth lower, the worm 3 is meshed with the first-stage teeth 7, the upper shell 1, the middle shell 21 and the bottom shell 26 are made of high-performance ABS materials, and the output tooth upper shaft sleeve 15, the output tooth 16, the clutch tooth 17 and the output tooth lower shaft sleeve 18 are made of high-performance POM plastic materials.

The working principle is as follows:

1. an upper clutch gear sleeve 11, a 2.0 opening snap spring 12, a clutch gear spring 13, an M3 flat pad 14, a clutch gear 17, a lower clutch gear sleeve 19 and a clutch gear shaft 20 of the clutch parts are combined into a single clutch mechanism, so that the finished product assembly is facilitated, and the production time is saved; can also be made into a targeted part according to the requirements of customers.

2. Through separation and reunion tooth upper shaft cover 11, 2.0 opening jump ring 12, separation and reunion tooth spring 13, M3 flat pad 14, separation and reunion tooth 17, separation and reunion tooth lower shaft cover 19, separation and reunion tooth axle 20 constitutes an independent clutching mechanism, 020 iron core motor 2 drives one-level tooth 7 through worm 3, the tertiary tooth 9 of RS068 rotates, the rethread output tooth 16 gives outside machinery with power transmission, thereby realize when surpassing appointed ultimate load, because clutching mechanism's effect can realize the separation and reunion function automatically, protection machanism is not damaged, play the guard action of a definite reason artificial damage, the security is high.

3. The control mode is as follows: the automatic detection and correction of the external force position change under the condition of no matter whether the power is on or not are realized by adopting a simple and universal pulse width PWM control mode; and can make various scheme selections according to the use requirements of guests.

4. High cost performance: the related gear and shell are made of high-performance POM and ABS plastic materials so as to meet the market demands of high performance, low cost and light weight.

5. Mechanism auto-lock reduces the electrical loss function: after the machine does not need to work and power off, the whole transmission device is locked at the current fixed position and cannot be in an powerless state due to the unique mechanical characteristics of the mechanism worm 3 and the mechanism primary teeth 7, and the normal work can be continued after the machine is powered on; is specially applied to various self-locking occasions.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a gear reducer of mechanism auto-lock, includes epitheca (1), output tooth (16), separation and reunion tooth (17), mesochite (21) and drain pan (26), its characterized in that: middle shell (21) is installed to the top of drain pan (26), and PCB (24) is installed through PCB screw (25) in the bottom of middle shell (21), potentiometre (22) is installed through potentiometre screw (23) in middle shell (21) bottom of PCB (24) one side, and the output of potentiometre (22) is connected with the input electricity of PCB (24), the internally mounted of middle shell (21) has output tooth (16), installs on middle shell (21) of output tooth (16) one side separation and reunion tooth (17) through separation and reunion tooth axle (20), and the intermediate position department of separation and reunion tooth (17) installs M3 flat pad (14), install tertiary tooth (9) of RS608 through second grade tooth optical axis (8) on middle shell (21) of separation and reunion tooth (17) one side, and RS608 tertiary tooth (9) and output tooth (16) intermeshing, install one-level tooth (7) through one-level tooth optical axis (6) on middle shell (21) of RS608 tertiary tooth (9) one side, and one-level tooth (7) and the tertiary tooth of RS608 (9) intermeshing, epitheca (1) is installed to the top of mesochite (21), and the inboard of epitheca (1) installs 020 iron core motor (2) through motor screw (4), install worm (3) on the output rotor of 020 iron core motor (2), and worm (3) and one-level tooth (7) intermeshing.

2. The gear reducer with self-locking mechanism of claim 1, wherein: the upper shell (1), the middle shell (21) and the bottom shell (26) are fixedly connected through a shell screw (27) penetrating through the middle shell (21).

3. The gear reducer with self-locking mechanism of claim 1, wherein: a first-stage tooth shaft sleeve (5) is installed at the joint of the first-stage tooth (7) and the first-stage tooth optical axis (6).

4. The gear reducer with self-locking mechanism of claim 1, wherein: and a shaft sleeve (10) is arranged at the joint of the RS608 three-stage gear (9) and the second-stage gear optical axis (8).

5. The gear reducer with self-locking mechanism of claim 1, wherein: the top of separation and reunion tooth axle (20) is installed on the separation and reunion tooth axle sleeve (11), and axle sleeve (19) under the separation and reunion tooth are installed to the bottom of separation and reunion tooth axle (20), install separation and reunion tooth spring (13) on separation and reunion tooth axle (20) of axle sleeve (11) below on the separation and reunion tooth, and install 2.0 opening jump ring (12) between axle sleeve (11) on separation and reunion tooth spring (13) and the separation and reunion tooth.

6. The gear reducer with self-locking mechanism of claim 1, wherein: the top end of the output tooth (16) is connected with the inner wall of the upper shell (1) through an output tooth upper shaft sleeve (15), and the bottom end of the output tooth (16) is connected with the inner wall of the bottom shell (26) through an output tooth lower shaft sleeve (18).