CN211744245U

CN211744245U - Two-stage transmission electric push rod driver

Info

Publication number: CN211744245U
Application number: CN201922397901.XU
Authority: CN
Inventors: 王言昌; 方建超; 王伟
Original assignee: Qingdao Richmat Intelligence Technology Inc
Current assignee: Qingdao Richmat Intelligence Technology Inc
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-23
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to an electric putter specifically is a second grade driven electric putter driver. The utility model provides a driven electric putter driver of second grade, which comprises a housin, including a motor, an end cover, the gear mount pad, the terminal fixedly connected with front end housing of casing, the other end of casing passes through screw connection gear mount pad, back lid and gear mount pad pass through the screw fixation, be equipped with the lead screw in the casing, and the one end of lead screw extends to the gear mount pad, the top pot head of lead screw is equipped with the spline inserts, install the helical gear in the gear mount pad, the helical gear rotates and is connected with the worm wheel, the worm wheel runs through the cover and is equipped with the pin. The transmission mechanism of the device is provided with a plurality of integrated gears which are mainly divided into two parts, the outer diameter part is a helical gear part and is connected with a worm wheel and a worm part of a motor shaft, and splines of the inner diameter part are connected with a screw rod, so that the helical gear is driven by the turbine to rotate, and the spline wheel drives the screw rod to perform reciprocating motion.

Description

Two-stage transmission electric push rod driver

Technical Field

The utility model relates to an electric putter driver specifically is a second grade driven electric putter driver.

Background

At present, like all can use the lift drive on articles for use such as ware, wheelchair, exhibition platform elevating platform of windowing, the driver realizes that elevating function's essential element is through the gear drive lead screw and is reciprocating motion, like some models are compact at present, the little driver of lift distance all can use metal gear, but metal gear's defect is that the processing degree of difficulty is big, hardly processes into second grade or even multistage transmission structure, and second metal gear cost is high, brings a lot of restrictions for enterprise's production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a second grade driven electric putter driver, for the compact model for the little situation of installation space.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a driven electric putter driver of second grade, the terminal fixedly connected with front end housing of including casing, motor, back lid, gear installation seat, the other end joint of casing has the gear installation seat, back lid and gear installation seat pass through the screw fixation, be equipped with the lead screw in the casing, just the one end of lead screw extends to the gear installation seat, the top pot head of lead screw is equipped with the spline inserts, install the helical gear in the gear installation seat, the helical gear rotates and is connected with the worm wheel, the worm wheel runs through the cover and is equipped with the pin.

Preferably, the gear mounting seat and the rear cover are fixed through different wires to form a cavity for accommodating the helical gear, the worm gear and the pin.

Preferably, the worm wheel is in transition fit with the pin, and the pin is clamped in the gear mounting seat.

Preferably, the motor is provided with a motor shaft extending into the gear mounting seat, and the tail end of the motor shaft is in a worm shape and is matched with the worm wheel.

Preferably, the outer surface wall of the rear cover is provided with two mounting lugs which are parallel to each other, and the mounting lugs and the shell have the same transverse symmetry axis.

Preferably, the motor shaft, the worm wheel and the helical gear are meshed in sequence, the motor shaft, the worm wheel and the helical gear are close to the vertical central line of the gear mounting seat, the helical gear is an integrally formed gear, the outer part of the helical gear is in a helical tooth shape, and the inner part of the helical gear is in a spline shape.

The utility model provides a second grade driven electric putter driver. The method has the following beneficial effects:

(1) the device belongs to a compact type machine type, is used for the situation that the installation space is small, and is suitable for lifting in a small space.

(2) The transmission gear of the device is made of PA nylon, the problems of high processing difficulty and high cost of the metal gear are solved, and the material has good performances such as impact resistance, high temperature resistance, corrosion resistance and the like.

(3) The transmission mechanism adopted by the device is provided with a plurality of integrated gears which are mainly divided into two parts, the outer diameter part is a helical gear part and is connected with a worm wheel and a worm part of a motor shaft, and splines of the inner diameter part are connected with a screw rod, so that the helical gear is driven by the turbine to rotate, and the spline wheel drives the screw rod to perform reciprocating motion.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the gear mounting base of the present invention;

fig. 3 is a surface view of the rear cover of the present invention.

In the figure: 1. a housing; 2. a front end cover; 3. a motor; 4. a rear cover; 5. a gear mounting seat; 6. a screw rod; 7. a rotation stopping insert; 8. a helical gear; 9. a pin; 10. a worm gear; 11. a motor shaft; 12. mounting an ear body; 13. and (4) screws.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a two-stage transmission electric push rod driver comprises a shell 1, a motor 3, a rear cover 4 and a gear mounting seat 5, wherein the tail end of the shell 1 is fixedly connected with a front end cover 2, the front end cover 2 can prevent dust from entering the interior of the shell 1 to influence the transmission effect of a lead screw 6, the other end of the shell 1 is clamped with the gear mounting seat 5, the gear mounting seat 5 is provided with a plurality of clamping grooves, components such as gears and bearings are clamped into the clamping grooves to be clamped and fastened with a seat body of the gear mounting seat 5, the rear cover 4 and the gear mounting seat 5 are fixed through screws 13, the shell 1 is internally provided with the lead screw 6, one end of the lead screw 6 extends to the gear mounting seat 5, the starting end of the lead screw 6 is sleeved with a rotation stopping insert 7, the rotation stopping insert 7 is used for preventing the excessive rotation of the gears, the lifting function of the push rod on the motor 3 is influenced, a bevel gear 8 is arranged, compared with a straight-tooth gear, the gear is not easy to break, the helical gear 8 is rotatably connected with a worm gear 10, and the worm gear 10 is sleeved with a pin 9 in a penetrating mode.

The gear mounting seat 5 and the rear cover 4 are fixed by screws 13 to form a cavity for accommodating the helical gear 8, the worm gear 10 and the pin 9, and the cavity provides a series of transmission structures for accommodating the electric push rod device so as to change the rotary motion of the motor into linear motion and complete the reciprocating motion of the push rod by utilizing the positive and negative rotation of the motor.

Through transition fit between worm wheel 10 and pin 9, pin 9 joint is in gear mounting base 5, and pin 9 is used for fixing worm wheel 10 in a fixed axial, takes place the drunkenness when preventing worm wheel 10 from rotating.

The motor 3 is provided with a motor shaft 11 extending into the gear mounting seat 5, the end part of the motor shaft 11 is in a worm rod shape and is matched with the worm wheel 10, and the worm is in driving, so that the worm wheel 10 is driven, the speed reduction effect can be realized, and a larger transmission ratio can be obtained.

The outer surface wall installation ear body 12 of back lid 4, installation ear body 12 is two that are parallel to each other, and installation ear body 12 has the same horizontal symmetry axis with casing 1, and the electric putter's of being convenient for dismantlement and installation of installation ear body 12 set up, and it is more convenient to use.

Motor shaft 11, worm wheel 10, helical gear 8 mesh in proper order, and motor shaft 11, worm wheel 10, helical gear 8 are close to the vertical central line of gear mount pad 5, and helical gear 8 is integrated into one piece gear, and the outside is the skewed tooth form, and the internal diameter portion spline form, owing to divide into two parts, the external diameter part is the skewed tooth part, is connected with worm wheel 10, the worm part of motor shaft 11, and the partial spline of internal diameter is connected with the lead screw, and like this, the turbine drives skewed tooth gear revolve, and the spline wheel drives the lead screw and carries out reciprocating motion simultaneously.

The above, 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

1. The utility model provides a driven electric putter driver of second grade, includes casing (1), motor (3), back lid (4), gear mount pad (5), its characterized in that: terminal fixedly connected with front end housing (2) of casing (1), the other end joint of casing (1) has gear mount pad (5), it is fixed through screw (13) that back lid (4) and gear mount pad (5), be equipped with lead screw (6) in casing (1), just the one end of lead screw (6) extends to gear mount pad (5), the top pot head of lead screw (6) is equipped with splines inserts (7), install helical gear (8) in gear mount pad (5), helical gear (8) rotate and are connected with worm wheel (10), worm wheel (10) run through the cover and are equipped with pin (9).

2. The two-stage power-driven push-rod driver as claimed in claim 1, wherein: the gear mounting seat (5) and the rear cover (4) are fixed through screws (13) to form a cavity for accommodating the helical gear (8), the worm gear (10) and the pin (9).

3. The two-stage power-driven push-rod driver as claimed in claim 1, wherein: the worm wheel (10) and the pin (9) are in transition fit, and the pin (9) is clamped in the gear mounting seat (5).

4. The two-stage power-driven push-rod driver as claimed in claim 1, wherein: the motor (3) is provided with a motor shaft (11) extending into the gear mounting seat (5), and the tail end of the motor shaft (11) is in a worm rod shape and is matched with the worm wheel (10).

5. The two-stage power-driven push-rod driver as claimed in claim 1, wherein: the outer surface wall of back lid (4) installation ear body (12), installation ear body (12) are two that are parallel to each other, and installation ear body (12) and casing (1) have the same horizontal symmetry axis.

6. The two-stage power-driven push-rod driver as claimed in claim 4, wherein: motor shaft (11), worm wheel (10), helical gear (8) mesh in proper order, and motor shaft (11), worm wheel (10), helical gear (8) are close to the vertical central line of gear mount pad (5), helical gear (8) are integrated into one piece gear, and the outside is the skewed tooth form, and inside is the spline form.