CN213937646U

CN213937646U - Three-section electric push rod with large stroke

Info

Publication number: CN213937646U
Application number: CN202022773747.4U
Authority: CN
Inventors: 吕自伟; 方建超; 王伟
Original assignee: Qingdao Richmat Intelligence Technology Inc
Current assignee: Qingdao Richmat Intelligence Technology Inc
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-10
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a three section electric putter of big stroke, including screw, epitheca, first bearing, helical gear, turbine, round pin axle, inserts, bearing housing, locating pin, second bearing, backshell, motor, lead screw slider, jump ring, third bearing, lead screw, slider lid, silk pipe, micro-gap switch subassembly, pipe front end housing, first pipe, pipe anterior segment lid, second pipe, spline housing, plug and department's pipe slider, threaded connection has the screw on one side outer wall of epitheca, fixedly connected with the backshell on the outer wall of epitheca, and one end threaded connection of screw is on one side inner wall of backshell; the utility model discloses a simple structure, convenient to use uses through the cooperation of lead screw, lead screw slider, department pipe, spline housing and interior pipe, has solved current electric putter's shortcoming, has reduced electric putter's mounting dimension, has increased the stroke, has improved electric putter's functioning speed, convenient to use simultaneously.

Description

Three-section electric push rod with large stroke

Technical Field

The utility model relates to an electric putter technical field specifically is a three section electric putter of long stroke.

Background

Because the electric push rod is widely applied to the fields of industrial medical home and the like, certain requirements are met for some electric push rods in the market; however, the existing electric push rod has the problems of large installation size, small stroke, low running speed and the like due to structural limitation, so that a novel three-section electric push rod with a large stroke is urgently needed at the present stage.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a three section electric putter of long stroke to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a large-stroke three-section electric push rod comprises a screw, an upper shell, a first bearing, a helical gear, a turbine, a pin shaft, an insert, a bearing sleeve, a positioning pin, a second bearing, a rear shell, a motor, a screw rod sliding block, a clamp spring, a third bearing, a screw rod, a sliding block cover, a screw tube, a micro switch assembly, a guide tube front end cover, a first round tube, a round tube front section cover, a second round tube, a spline sleeve, a screw plug and a tube driving sliding block, wherein the screw is connected to the outer wall of one side of the upper shell in a threaded manner, the rear shell is fixedly connected to the outer wall of the upper shell, one end of the screw is connected to the inner wall of one side of the rear shell in a threaded manner, an output shaft of the motor is rotatably connected to the inside of the rear shell, the turbine is connected to the outer wall of one end of the output shaft of the motor in a meshed manner, the pin shaft is rotatably connected to the inner wall of one side of the rear shell, and the turbine is fixedly connected to the outer wall of one side of the pin shaft, a first bearing is fixedly connected to the inner wall of one side of the upper shell, a helical gear is fixedly connected to the inner wall of one side of the first bearing, the outer wall of one side of the helical gear is meshed with the outer wall of one side of the turbine, an insert is fixedly connected to the outer wall of one side of the helical gear, a positioning pin is rotatably connected to the inner wall of one side of the insert, a snap spring is fixedly connected to the outer wall of one side of the positioning pin, a bearing sleeve is fixedly connected to the outer wall of one side of the snap spring, a second bearing is fixedly connected to the inner wall of one side of the bearing sleeve, the second bearing is fixedly connected to the outer wall of one side of the rear shell, a guide pipe is fixedly connected to the outer wall of one side of the rear shell, a lead screw is fixedly connected to the outer wall of one side of the positioning pin, a slide block cover is sleeved on the outer wall of one side of the lead screw, a lead screw slide block is rotatably connected to the outer wall of one side of the snap spring, and a third bearing is sleeved on the outer wall of the snap spring, and one side outer wall of the third bearing is fixedly connected to one side inner wall of the sliding block cover, a wire tube is sleeved on one side outer wall of the screw rod, one end of the wire tube is fixedly connected to the clamp spring side outer wall, a tube driving sliding block is rotatably connected to one side outer wall of the wire tube and is slidably connected to one side inner wall of the guide tube, a first circular tube is sleeved on one side outer wall of the wire tube, a circular tube front section cover is fixedly connected to the other end inner wall of the first circular tube, a guide tube front end cover is fixedly connected to one end outer wall of the guide tube and is sleeved on one side outer wall of the first circular tube, a second circular tube is sleeved on one side inner wall of the wire tube corresponding to the first circular tube, one end of the sliding block cover is fixedly connected to one end inner wall of the second circular tube, a thread plug is connected to one side outer wall of the second circular tube, and a spline sleeve is fixedly connected to one end outer wall of the clamp spring, and the spline sleeve is rotationally connected to the inner wall of one side of the second round pipe.

Furthermore, the number of the screws is five.

Furthermore, one end of the ejector slide block is fixedly connected to the outer wall of one end of the first circular tube.

Furthermore, a microswitch assembly is fixedly mounted on the inner wall of one side of the conduit.

Furthermore, a through hole is formed in the outer wall of one side of the plug in a penetrating mode.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is: the utility model discloses a simple structure, convenient to use uses through the cooperation of lead screw, lead screw slider, department pipe, spline housing and interior pipe, has solved current electric putter's shortcoming, has reduced electric putter's mounting dimension, has increased the stroke, has improved electric putter's functioning speed, convenient to use simultaneously.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional exploded structure of the present invention;

FIG. 2 is a schematic view of the overall front view cutting structure of the present invention;

in the figure: 1. a screw; 2. an upper shell; 3. a first bearing; 4. a helical gear; 5. a turbine; 6. a pin shaft; 7. an insert; 8. a bearing housing; 9. positioning pins; 10. a second bearing; 11. a rear housing; 12. a motor; 13. a screw rod slide block; 14. a clamp spring; 15. a third bearing; 16. a screw rod; 17. a slider cover; 18. a wire tube; 19. a micro-switch assembly; 20. a conduit; 21. a catheter front end cap; 22. a first circular tube; 23. a circular tube front section cover; 24. a second circular tube; 25. a spline housing; 26. plugging with a thread; 27. and a ejector sleeve sliding block.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a large-stroke three-section electric push rod comprises a screw 1, an upper shell 2, a first bearing 3, a helical gear 4, a turbine 5, a pin shaft 6, an insert 7, a bearing sleeve 8, a positioning pin 9, a second bearing 10, a rear shell 11, a motor 12, a screw rod slide block 13, a clamp spring 14, a third bearing 15, a screw rod 16, a slide block cover 17, a screw pipe 18, a micro switch assembly 19, a conduit 20, a conduit front end cover 21, a first round pipe 22, a round pipe front end cover 23, a second round pipe 24, a spline sleeve 25, a screw plug 26 and a pipe driving slide block 27, wherein the screw 1 is in threaded connection with the outer wall of one side of the upper shell 2, the rear shell 11 is fixedly connected with the outer wall of the upper shell 2, one end of the screw 1 is in threaded connection with the inner wall of one side of the rear shell 11, the motor 12 is in threaded connection with the outer wall of one side of the rear shell 11, the output shaft of the motor 12 is rotatably connected with the inside of the rear shell 11, the outer wall of the output shaft of the motor 12 is in meshed connection with the turbine 5, a pin shaft 6 is rotatably connected to the inner wall of one side of the rear shell 11, a turbine 5 is fixedly connected to the outer wall of one side of the pin shaft 6, a first bearing 3 is fixedly connected to the inner wall of one side of the upper shell 2, a helical gear 4 is fixedly connected to the inner wall of one side of the first bearing 3, the outer wall of one side of the helical gear 4 is engaged with the outer wall of one side of the turbine 5, an insert 7 is fixedly connected to the outer wall of one side of the helical gear 4, a positioning pin 9 is rotatably connected to the inner wall of one side of the insert 7, a snap spring 14 is fixedly connected to the outer wall of one side of the positioning pin 9, a bearing sleeve 8 is fixedly connected to the outer wall of one side of the snap spring 14, a second bearing 10 is fixedly connected to the inner wall of one side of the bearing sleeve 8, the second bearing 10 is fixedly connected to the outer wall of one side of the rear shell 11, a guide pipe 20 is fixedly connected to the outer wall of one side of the guide pipe 20, and a microswitch assembly 19 is fixedly installed on the inner wall of one side of the guide pipe 20, the electric push rod is convenient to automatically start and close, a lead screw 16 is fixedly connected to the outer wall of one side of the positioning pin 9, a slider cover 17 is sleeved on the outer wall of one side of the lead screw 16, a lead screw slider 13 is rotatably connected to the outer wall of one side of the snap spring 14, a third bearing 15 is sleeved on the outer wall of one side of the snap spring 14, a side outer wall of the third bearing 15 is fixedly connected to the inner wall of one side of the slider cover 17, a wire tube 18 is sleeved on the outer wall of one side of the lead screw 16, one end of the wire tube 18 is fixedly connected to the outer wall of the side of the snap spring 14, an ejector slider 27 is rotatably connected to the outer wall of one side of the wire tube 18, the ejector slider 27 is slidably connected to the inner wall of one side of the guide tube 20, a first circular tube 22 is sleeved on the outer wall of one side of the wire tube 18, one end of the ejector slider 27 is fixedly connected to the outer wall of one end of the first circular tube 22, and the first circular tube 22 is convenient to slide and extend through the arrangement of the ejector slider 27, fixedly connected with pipe anterior segment lid 23 on the other end inner wall of first pipe 22, fixedly connected with pipe front end housing 21 on the one end outer wall of pipe 20, and pipe front end housing 21 cup joints on one side outer wall of first pipe 22, second pipe 24 has been cup jointed on the one side inner wall that corresponds first pipe 22 on one side outer wall of wire pipe 18, and the one end fixed connection of slider lid 17 is on 24 one end inner walls of second pipe, threaded connection has plug 26 on one side outer wall of second pipe 24, link up on one side outer wall of plug 26 and seted up the through-hole, be convenient for this electric push rod and other equipment connection, fixedly connected with spline housing 25 on the one end outer wall of jump spring 14, and spline housing 25 rotates and connects on one side inner wall of second pipe 24.

When the large-stroke three-section electric push rod is used, the motor 12 is electrified to operate, the turbine 5 is driven to rotate, the bevel gear 4 meshed with the turbine 5 is driven to rotate, the bevel gear 4 is connected with the screw rod 16 through the insert 7 and the positioning pin 9, correspondingly, the bevel gear 4 rotates to drive the screw rod 16 to rotate, simultaneously, the screw rod slide block 13 arranged on the screw rod 16 moves forwards along the direction of the guide pipe 20, simultaneously, the wire tube 18 and the first circular tube 22 are connected with the screw rod slide block 13 through the snap spring 14, the third bearing 15 and the slide block cover 17, correspondingly, the screw rod slide block 13 moves forwards, the wire tube 18 and the first circular tube 22 move forwards, simultaneously, the screw rod 16 rotates to drive the wire tube 18 to rotate through the spline sleeve 25, the ejector tube slide block 27 arranged on the wire tube 18 moves forwards along the direction of the first circular tube 22, correspondingly, the plug 26 connected with the ejector slide block 27 through the second circular tube 24 is driven to move forwards, until the screw rod sliding block 13 presses the front microswitch of the microswitch component 19, the motor 12 stops, and the three-section electric push rod extends out; correspondingly, the motor 12 rotates reversely until the screw rod sliding block 13 presses the rear microswitch of the microswitch component 19, the motor 12 stops to finish the withdrawing action, and the three-section electric push rod reciprocating motion is realized; when the motor 12 is driven, the screw rod 16 rotates, the screw rod sliding block 13 drives the ejector sleeve sliding block 27 and the first circular tube 22 to move forwards, meanwhile, the ejector sleeve sliding block 27 rotates under the driving of the screw rod 16 and the spline housing 25, the ejector sleeve sliding block 27 can drive the second circular tube 24 and the plug 26 to move forwards, meanwhile, the stroke and the speed of the second circular tube 24 and the plug 26 are twice of those of the ejector sleeve sliding block 27 and the first circular tube 22, the purpose of reducing the installation size and increasing the stroke is achieved, and meanwhile, the speed of the electric push rod is increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a three section electric putter of big stroke, including screw (1), epitheca (2), first bearing (3), helical gear (4), turbine (5), round pin axle (6), inserts (7), bearing housing (8), locating pin (9), second bearing (10), backshell (11), motor (12), lead screw slider (13), jump ring (14), third bearing (15), lead screw (16), slider lid (17), silk pipe (18), micro-gap switch subassembly (19), pipe (20), pipe front end housing (21), first pipe (22), pipe anterior segment lid (23), second pipe (24), spline housing (25), plug (26) and department pipe slider (27), its characterized in that: the outer wall of one side of the upper shell (2) is in threaded connection with a screw (1), the outer wall of the upper shell (2) is fixedly connected with a rear shell (11), one end of the screw (1) is in threaded connection with the inner wall of one side of the rear shell (11), the outer wall of one side of the rear shell (11) is in threaded connection with a motor (12), an output shaft of the motor (12) is rotatably connected with the inside of the rear shell (11), the outer wall of one end of the output shaft of the motor (12) is in meshed connection with a turbine (5), the inner wall of one side of the rear shell (11) is in rotatable connection with a pin shaft (6), the turbine (5) is fixedly connected with the outer wall of one side of the pin shaft (6), the inner wall of one side of the upper shell (2) is fixedly connected with a first bearing (3), the inner wall of one side of the first bearing (3) is fixedly connected with a helical gear (4), and the outer wall of one side of the helical gear (4) is in meshed connection with the outer wall of one side of the turbine (5), an insert (7) is fixedly connected to the outer wall of one side of the helical gear (4), a positioning pin (9) is rotatably connected to the inner wall of one side of the insert (7), a clamp spring (14) is fixedly connected to the outer wall of one side of the positioning pin (9), a bearing sleeve (8) is fixedly connected to the outer wall of one side of the clamp spring (14), a second bearing (10) is fixedly connected to the inner wall of one side of the bearing sleeve (8), the second bearing (10) is fixedly connected to the outer wall of one side of the rear shell (11), a guide pipe (20) is fixedly connected to the outer wall of one side of the rear shell (11), a lead screw (16) is fixedly connected to the outer wall of one side of the positioning pin (9), a slider cover (17) is sleeved to the outer wall of one side of the lead screw (16), a lead screw slider (13) is rotatably connected to the outer wall of one side of the clamp spring (14), and a third bearing (15) is sleeved to the outer wall of one side of the clamp spring (14), and the outer wall of one side of the third bearing (15) is fixedly connected to the inner wall of one side of the sliding block cover (17), the outer wall of one side of the screw rod (16) is sleeved with a wire tube (18), one end of the wire tube (18) is fixedly connected to the outer wall of one side of the clamp spring (14), the outer wall of one side of the wire tube (18) is rotatably connected with a pipe driving sliding block (27), the pipe driving sliding block (27) is slidably connected to the inner wall of one side of the conduit (20), the outer wall of one side of the wire tube (18) is sleeved with a first round tube (22), the inner wall of the other end of the first round tube (22) is fixedly connected with a round tube front end cover (23), the outer wall of one end of the conduit (20) is fixedly connected with a conduit front end cover (21), the conduit front end cover (21) is sleeved on the outer wall of one side of the first round tube (22), the inner wall of one side of the wire tube (18) corresponding to the first round tube (22) is sleeved with a second round tube (24), and the one end fixed connection of slider lid (17) is on second pipe (24) one end inner wall, threaded connection has plug (26) on the outer wall of one side of second pipe (24), fixedly connected with spline housing (25) on the one end outer wall of jump ring (14), and spline housing (25) rotate to be connected on the inner wall of one side of second pipe (24).

2. The large-stroke three-section electric push rod of claim 1, wherein: the number of the screws (1) is five.

3. The large-stroke three-section electric push rod of claim 1, wherein: one end of the ejector sliding block (27) is fixedly connected to the outer wall of one end of the first circular tube (22).

4. The large-stroke three-section electric push rod of claim 1, wherein: a microswitch component (19) is fixedly arranged on the inner wall of one side of the conduit (20).

5. The large-stroke three-section electric push rod of claim 1, wherein: and a through hole is formed in the outer wall of one side of the plug (26) in a penetrating way.