CN211574158U

CN211574158U - Gear box body of push rod

Info

Publication number: CN211574158U
Application number: CN202020137389.5U
Authority: CN
Inventors: 章之望; 崔大奎
Original assignee: Zhejiang Beteck Transmission Technology Co ltd
Current assignee: Zhejiang Beteck Transmission Technology Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-09-25
Anticipated expiration: 2030-01-21

Abstract

The utility model discloses a gear box of push rod, including the box, be equipped with drive gear group, characterized by in the box: the driving gear set comprises an input gear, a middle gear and an output gear, the input gear is connected with the driving motor, the input gear is provided with a helical gear, and the gear modulus of the input gear, the middle gear and the output gear are different. The utility model discloses a gear box of push rod, its structural design does not have too much complicated part with prior art, does not increase by a wide margin in manufacturing cost, but the performance that nevertheless obtains promotes by a wide margin, and consequently, the economic benefits who produces is very high. The direct effect of the transmission structure is that the transmission structure is optimized, the transmission efficiency is improved, and particularly, gears with different tooth numbers are adopted, so that a higher transmission ratio is achieved. The direct effect of the method is that the helical teeth are adopted for transmission, and the advantages of noise reduction and shock absorption are achieved.

Description

Gear box body of push rod

Technical Field

The utility model relates to a push rod technical field, in particular to gearbox casing of push rod.

Background

At present, chinese patent application No. CN200920232214.6 discloses an electric push rod comprising a push rod and a speed reducer linearly combined, specifically an actuating mechanism for realizing centralized control or automatic control, and belongs to an electric driving device for reciprocating motion. Is characterized in that: the speed reducer is characterized in that a switch box assembly is mounted on the base, a torque switch and a stroke controller are mounted in the switch box assembly, a torque switch deflector rod is integrated with a screw rod between a disc spring piece and a switch slide rail, a square head at the lower part of the screw rod is connected with a square hole sleeve in an insertion mode, a worm meshed oblique gear shaft outside the square hole sleeve is connected with the stroke controller, the square hole sleeve is fixed on an output shaft of the speed reducer and connected with the base, and the speed reducer is connected with the base. The utility model has the advantages of ingenious and reasonable structure, stable and reliable operation, large equipment load, small volume, light weight and convenient installation and maintenance; the automatic protection device has the functions of automatic protection shutdown and stroke adjustment, and is wide in application range.

Still like chinese patent application No. CN201820239770.5 discloses a waterproof structure of electric putter, belongs to linear drive technical field, including first component, second component and sealing member, the sealing member sticiss between first component and the second component, first component and second component are equipped with the seal groove on one of them, the sealing member is installed in the seal groove, still be equipped with waterproof protruding muscle in the seal groove, under first component and the second component connected state, waterproof protruding muscle with sealing member interference fit. Additionally, the utility model also discloses an electric putter, including base and the motor and the telescopic element that link to each other with the base, the base includes drain pan and upper cover, between base and the motor, and/or between base and the telescopic element, and/or between drain pan and the upper cover, be equipped with foretell waterproof construction. The utility model has the advantages of can improve electric putter's waterproof performance.

The above patent documents have drawbacks: because the driving structure of the push rod is simpler, the tooth number and the tooth shape of the gear in the driving structure are the same, and the defect of low transmission efficiency is caused.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a gearbox body of push rod, it has transmission efficiency height, output steadily, the absorbing advantage of making an uproar falls.

The gear box body of push rod, including the box, be equipped with drive gear group, characterized by in the box: the driving gear set comprises an input gear, a middle gear and an output gear, the input gear is connected with the driving motor, the input gear is provided with a helical gear, and the gear modulus of the input gear, the middle gear and the output gear are different.

Through the technical scheme, the tooth modulus of the input tooth, the middle tooth and the output tooth is preferably increased step by step.

Through above-mentioned technical scheme, as preferred, the central upside of input tooth is equipped with the transmission ratch, and transmission ratch and middle tooth meshing are connected.

Through the technical scheme, the lower side of the center of the middle tooth is preferably provided with the transmission toothed bar, and the transmission toothed bar is meshed and connected with the output tooth.

Through the technical scheme, the rotating shafts of the input teeth, the middle teeth and the output teeth are preferably arranged on bearings in the box body.

With the above-described configuration, preferably, the number of the intermediate teeth is one or more.

Through the technical scheme, preferably, more than one intermediate teeth are meshed with each other or meshed with each other through the transmission toothed bar.

The gear box body of push rod, including the box, be equipped with drive gear group, characterized by in the box: the upper side and the lower side of the driving gear set are provided with fixing plates for blocking oil and protecting electric wires.

Through the technical scheme, preferably, the box body is further internally provided with a separation bridge for separating oil and protecting electric wires.

The utility model has the advantages of it is following:

the utility model discloses a gear box of push rod, its structural design does not have too much complicated part with prior art, does not increase by a wide margin in manufacturing cost, but the performance that nevertheless obtains promotes by a wide margin, and consequently, the economic benefits who produces is very high.

The utility model discloses a gear box of push rod, its direct effect lies in having optimized transmission structure, has promoted transmission efficiency, specifically, has adopted the gear of the number of teeth of difference, reaches higher drive ratio.

The utility model discloses a gear box of push rod, its direct effect lies in having adopted the skewed tooth to carry out the transmission, reaches the absorbing advantage of making an uproar that falls.

The utility model discloses a gearbox body of push rod, its indirect effect lies in having promoted the working effect, has reached better economic benefits.

The utility model discloses a gearbox body of push rod, its direct effect lies in having reached the effect of keeping off oil, with the lubricating oil separation at the gear position, guarantees that the lubricated state of gear is good, can also play the effect that the protection electric wire is not soaked by oil simultaneously.

Drawings

FIG. 1 is an exploded view of an embodiment;

fig. 2 is a partial structural schematic diagram of the embodiment.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example 1.

The gear box body of push rod, including box 1, be equipped with drive gear group, characterized by in the box 1: the driving gear set comprises an input gear 2, a middle gear 3 and an output gear 4, the input gear 2 is connected with a driving motor, the input gear 2 is provided with a helical gear 5, and the gear modulus of the input gear 2, the middle gear 3 and the output gear 4 are different.

The tooth modulus of the input tooth 2, the middle tooth 3 and the output tooth 4 is increased step by step.

The upper side of the center of the input gear 2 is provided with a transmission toothed bar 6, and the transmission toothed bar 6 is meshed with the middle gear 3.

The lower side of the center of the middle tooth 3 is provided with a transmission toothed bar 6, and the transmission toothed bar 6 is meshed with the output tooth 4.

The rotating shafts of the input teeth 2, the middle teeth 3 and the output teeth 4 are arranged on bearings in the box body.

The number of the intermediate teeth 3 is more than one.

More than one intermediate teeth 3 are meshed with each other or connected through a transmission toothed bar.

Example 2.

The number of the intermediate teeth 3 is two.

The two middle teeth 3 are meshed and connected with each other.

Example 3.

The number of the intermediate teeth 3 is three.

The three middle teeth 3 are meshed and connected with each other.

The size and number of teeth of the gear at the most middle of the three middle teeth 3 can be different from those of the gears at the two sides.

Example 4.

The gear box body of push rod, including box 1, be equipped with drive gear group, characterized by in the box 1: the upper side and the lower side of the driving gear set are provided with fixing plates 7 for blocking oil and protecting electric wires.

And a separation bridge for separating oil and protecting electric wires is also arranged in the box body 1.

The driving gear set comprises an input gear 2, a middle gear 3 and an output gear 4, the input gear 2 is connected with a driving motor, the input gear 2 is provided with a helical gear 5, and the gear modulus of the input gear 2, the middle gear 3 and the output gear 4 are different.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. The gear box body of push rod, including the box, be equipped with drive gear group, characterized by in the box: the driving gear set comprises an input gear, a middle gear and an output gear, the input gear is connected with the driving motor, the input gear is provided with a helical gear, and the gear modulus of the input gear, the middle gear and the output gear are different.

2. The gear housing of a push rod according to claim 1, wherein: the tooth modulus of the input tooth, the middle tooth and the output tooth is increased step by step.

3. The gear housing of a push rod according to claim 2, wherein: the upper side of the center of the input gear is provided with a transmission rack bar which is meshed with the middle gear.

4. A gear housing for a push rod according to claim 3, wherein: the lower side of the center of the middle tooth is provided with a transmission toothed bar which is meshed and connected with the output tooth.

5. The gear housing of a push rod according to any one of claims 1 to 4, wherein: the rotating shafts of the input teeth, the middle teeth and the output teeth are arranged on bearings in the box body.

6. The gear housing of a push rod according to any one of claims 1 to 4, wherein: the number of the middle teeth is more than one.

7. The gear housing of a push rod according to claim 6, wherein: more than one intermediate teeth are meshed with each other or connected through a transmission toothed bar.

8. The gear box body of push rod, including the box, be equipped with drive gear group, characterized by in the box: the upper side and the lower side of the driving gear set are provided with fixing plates for blocking oil and protecting electric wires.

9. The gear housing of a push rod according to claim 8, wherein: and a separation bridge for separating oil and protecting the electric wire is also arranged in the box body.