CN211300783U

CN211300783U - High-load medical electric push rod

Info

Publication number: CN211300783U
Application number: CN201922031457.XU
Authority: CN
Inventors: 朱孝飞
Original assignee: Wuxi Jiedino Automation Equipment Co ltd
Current assignee: Wuxi Jiedino Automation Equipment Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-21
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to an electric putter technical field discloses a high load medical treatment electric putter, including a supporting seat, the upper end fixedly connected with driving motor of supporting seat, one side of driving motor is equipped with the bearing, the bearing is inlayed in the upper end of supporting seat, driving motor's output has the driving gear through the coupling joint, one side meshing of driving gear has driven gear, the inner circle fixedly connected with screwed pipe of bearing, and the upper end of screwed pipe passes the bearing and outwards extends, be connected with the transmission pipe through positioning mechanism on the outer pipe wall of screwed pipe, the transmission pipe box is established on the screwed pipe, the fixed cover of driven gear is connected on the outer pipe wall of transmission pipe, screwed pipe female connection has the threaded rod, and the upper end of threaded rod passes the mouth of pipe of screwed pipe and outwards extends. The utility model discloses also can change the position of threaded rod under the condition that does not have electric drive for electric putter can satisfy normal use.

Description

High-load medical electric push rod

Technical Field

The utility model relates to an electric putter technical field especially relates to a high load medical treatment electric putter.

Background

At present, various functional nursing sickbeds in domestic markets are multiple, the conversion of sitting and lying of the body positions of patients is safely realized by adding an auxiliary function to the sickbeds, the sickbeds have to rely on electric push rods for realizing the functions, the high load of the electric push rods has high requirements, the technology is not problematic, but the high-load electric push rods on the sickbeds are generally electrically driven and can only be used under the condition of power, and when the power is cut off suddenly, the electric push rods cannot be used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the high-load electric push rod on the traditional Chinese medical treatment bed in the prior art is generally electrically driven and can only be used under the condition with electricity, and when the sudden power failure condition, the problem that the electric push rod can not be used is solved, and the high-load medical electric push rod is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-load medical electric push rod comprises a supporting seat, wherein the upper end of the supporting seat is fixedly connected with a driving motor, one side of the driving motor is provided with a bearing, the bearing is embedded at the upper end of the supporting seat, the output end of the driving motor is connected with a driving gear through a coupling, one side of the driving gear is engaged with a driven gear, the inner ring of the bearing is fixedly connected with a threaded pipe, the upper end of the threaded pipe passes through the bearing and extends outwards, the outer pipe wall of the threaded pipe is connected with a transmission pipe through a position adjusting mechanism, the transmission tube is sleeved on the threaded tube, the driven gear is fixedly sleeved on the outer tube wall of the transmission tube, the threaded rod is connected with the internal thread of the threaded tube, the upper end of the threaded rod penetrates through the pipe orifice of the threaded pipe and extends outwards, and the transmission pipe is connected to the outer pipe wall of the threaded pipe through two symmetrically arranged limiting assemblies;

the position adjusting mechanism comprises a supporting disk, a tension spring set and two position locking components, the supporting disk is fixedly sleeved on the outer pipe wall of the threaded pipe, two ends of the tension spring set are respectively connected with the support disc and the transmission tube, the two locking components are symmetrically arranged on the inner tube wall of the transmission tube, the locking assembly comprises a locking groove, a spring, a locking block, a pull rod and a clamping groove, the locking groove is formed in the inner pipe wall of the transmission pipe, a through hole is arranged at the bottom of the locking groove, one end of the spring is fixedly connected with the bottom of the locking groove, the other end of the spring is fixedly connected with one end of the locking block, the position of the clamping groove corresponding to the locking block is arranged on the outer pipe wall of the threaded pipe, the one end that the spring was kept away from to the lock position piece sets up in the draw-in groove, the one end fixed connection of pull rod is in the one end that the lock position piece is close to the spring, the other end of pull rod passes the through-hole and outwards extends.

Preferably, the limiting assembly comprises a limiting groove and a limiting block, the limiting groove is formed in the outer wall of the threaded pipe in the vertical direction, the limiting block is fixedly connected to the inner wall of the transmission pipe, and the limiting block is slidably connected to the limiting groove.

Preferably, the side wall of the position locking block close to one end of the spring is symmetrically and fixedly connected with sliding blocks, the groove wall of the position locking groove is symmetrically provided with sliding grooves, and the sliding blocks are slidably connected in the corresponding sliding grooves.

Preferably, the one end fixedly connected with magnet that the spring was kept away from to the lock position piece, the tank bottom fixedly connected with iron sheet of draw-in groove, magnet and iron sheet magnetic adsorption.

Preferably, a dustproof ring is arranged between the through hole and the pull rod, and the dustproof ring is fixedly connected to the hole wall of the through hole.

Preferably, the tension spring group includes a plurality of extension springs, a plurality of the extension springs use the screwed pipe to be the even equidistance distribution setting of annular as the axis.

Preferably, one end of the pull rod, which is far away from the locking block, is fixedly connected with a pull handle, and the spring is sleeved on the pull rod.

Preferably, a sliding rod is fixedly connected to the inside of the sliding groove in the vertical direction, the sliding rod penetrates through the sliding block, and the sliding block is connected to the sliding rod in a sliding mode.

Preferably, the ball is embedded at one end of the limiting block close to the bottom of the limiting groove, and the ball is connected to the bottom of the limiting groove in a rolling manner.

Compared with the prior art, the utility model provides a high load medical treatment electric putter possesses following beneficial effect:

1. this high load medical electric putter, through setting up the supporting disk, extension spring group, lock the position groove, a spring, lock the position piece, a positioning mechanism is constituteed to pull rod and draw-in groove, when taking place to have a power failure but need use electric putter, exert pulling force to the pull rod, pull rod atress drives lock position piece compression spring, extract lock the position piece from the draw-in groove simultaneously, under extension spring group self resilience force and self gravity's effect this moment, the driving tube drives driven gear downstream, make driven gear and driving gear break away from each other, exert the turning force to the driving tube again, make the screwed pipe atress do the same motion through the drive of spacing subassembly, thereby also can change the position of threaded rod under the circumstances that does not have electric drive.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses also can change the position of threaded rod under the condition that does not have electric drive for electric putter can satisfy normal use.

Drawings

Fig. 1 is a schematic structural view of a high-load medical electric push rod provided by the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is an enlarged view of a portion C in fig. 2.

In the figure: the device comprises a supporting seat 1, a driving motor 2, a bearing 3, a ball 4, a driving gear 5, a driven gear 6, a threaded tube 7, an adjusting mechanism 8, a supporting disk 81, a tension spring group 82, a locking groove 83, a spring 84, a locking block 85, a pull rod 86, a clamping groove 87, a transmission tube 9, a threaded rod 10, a limiting groove 11, a limiting block 12, a sliding block 13, a sliding groove 14, a magnet 15, an iron sheet 16, a dust-proof ring 17 and a sliding rod 18.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high-load medical electric push rod comprises a support base 1, a driving motor 2 is fixedly connected to the upper end of the support base 1, a bearing 3 is arranged on one side of the driving motor 2, the bearing 3 is embedded in the upper end of the support base 1, the output end of the driving motor 2 is connected with a driving gear 5 through a coupler, a driven gear 6 is meshed with one side of the driving gear 5, a threaded pipe 7 is fixedly connected to the inner ring of the bearing 3, the upper end of the threaded pipe 7 penetrates through the bearing 3 and extends outwards, a driving pipe 9 is connected to the outer wall of the threaded pipe 7 through a position adjusting mechanism 8, the driving pipe 9 is sleeved on the threaded pipe 7, the driven gear 6 is fixedly sleeved on the outer wall of the driving pipe 9, a threaded rod 10 is connected to the threaded pipe 7 through internal threads, the upper end of the threaded rod 10 penetrates through the pipe orifice of the threaded pipe 7 and extends outwards, the, one end of a threaded rod 10 is connected with a medical bed, a driving motor 2 is started, the driving motor 2 drives a driving gear 5 to rotate, a driving pipe 9 is driven to rotate through a driven gear 6 meshed with the driving gear 5, the driving pipe 9 drives a threaded pipe 7 to rotate when stressed, and the threaded rod 10 in the threaded pipe 7 vertically moves in a corresponding direction according to the rotating direction of the threaded pipe 7;

the positioning mechanism 8 comprises a supporting plate 81, a tension spring group 82 and two locking components, the supporting plate 81 is fixedly sleeved on the outer pipe wall of the threaded pipe 7, two ends of the tension spring group 82 are respectively connected with the supporting plate 81 and the transmission pipe 9, in the figure, the tension spring group 82 is in a stretching state, the two locking components are symmetrically arranged on the inner pipe wall of the transmission pipe 9, the locking components comprise a locking groove 83, a spring 84, a locking block 85, a pull rod 86 and a clamping groove 87, the locking groove 83 is arranged on the inner pipe wall of the transmission pipe 9, a through hole is arranged at the bottom of the locking groove 83, one end of the spring 84 is fixedly connected to the bottom of the locking groove 83, the other end of the spring 84 is fixedly connected to one end of the locking block 85, the clamping groove 87 is arranged on the outer pipe wall of the threaded pipe 7 corresponding to the position of the locking block 85, one end of the locking block 85 far away from the spring 84 is arranged in the clamping groove 87, one end of the pull rod 86, the other end of pull rod 86 passes the through-hole and outwards extends, but need use electric putter when taking place to have a power failure, apply pulling force to pull rod 86, pull rod 86 atress drives lock position piece 85 compression spring 84, extract lock position piece 85 from draw-in groove 87 simultaneously, under 8 self resilience force of extension spring group and self gravity's effect this moment, driving tube 9 drives driven gear 6 downstream, make driven gear 6 and driving gear 5 break away from each other, the turning force is applyed to driving tube 9 again, make screwed pipe 7 atress do the same motion through the drive of spacing subassembly, thereby also can change the position of threaded rod 10 under the condition that does not have electric drive.

Spacing subassembly includes spacing groove 11 and stopper 12, and spacing groove 11 is seted up on the outer pipe wall of screwed pipe 7 along vertical direction, and stopper 12 fixed connection is on the inner pipe wall of driving pipe 9, and stopper 12 sliding connection is in spacing groove 11, because stopper 12 can only move in spacing groove 11, carries on spacingly to driving pipe 9 for driving screwed pipe 7 is synchronous rotation when driving pipe 9 atress rotates.

The slide blocks 13 are symmetrically and fixedly connected to the side wall of the position, close to one end of the spring 84, of the locking block 85, the slide grooves 14 are symmetrically formed in the groove wall of the locking groove 83, the slide blocks 13 are connected to the corresponding slide grooves 14 in a sliding mode, the slide blocks 13 are driven to move synchronously in the slide grooves 14 when the locking block 85 moves, and the locking block 85 is prevented from being ejected out of the locking groove 83 by the spring 84.

The one end fixedly connected with magnet 15 that the spring 84 was kept away from to the lock position piece 85, the tank bottom fixedly connected with iron sheet 16 of draw-in groove 87,

magnet

15 and 16 magnetic adsorption make lock position piece 85 fasten more in draw-in groove 87 through the absorption between magnet 15 and the iron sheet 16.

Be equipped with dust ring 17 between through-hole and the pull rod 86, dust ring 17 fixed connection prevents that the dust from passing through the through-hole and entering into the locking groove 83 on the pore wall of through-hole.

The tension spring group 82 comprises a plurality of tension springs which are distributed in an annular shape with the threaded pipe 7 as an axis and are uniformly arranged at equal intervals.

One end of the pull rod 86, which is far away from the locking block 85, is fixedly connected with a pull handle, and the spring 84 is sleeved on the pull rod, so that the pull rod 86 is conveniently driven to move through the pull handle.

A sliding rod 18 is fixedly connected in the sliding groove 14 along the vertical direction, the sliding rod 18 penetrates through the sliding block 13, and the sliding block 13 is connected to the sliding rod 18 in a sliding mode, so that the sliding block 13 moves more stably in the sliding groove 14.

The ball 4 is inlaid at one end, close to the bottom of the limiting groove 11, of the limiting block 12, the ball 4 is connected to the bottom of the limiting groove 11 in a rolling mode, and friction resistance of the limiting block 12 when moving in the limiting groove 11 is reduced.

The utility model discloses in, but when taking place to have a power failure and need use electric putter, exert pulling force to pull rod 86, pull rod 86 atress drives position locking piece 85 compression spring 84, extract position locking piece 85 from draw-in groove 87 simultaneously, under the effect of extension spring group 8 self resilience force and self gravity this moment, driving pipe 9 drives driven gear 6 downstream, make driven gear 6 break away from each other with driving gear 5, exert the turning force to driving pipe 9 again, make screwed pipe 7 atress do the same motion through the drive of spacing subassembly, thereby also can change the position of threaded rod 10 under the condition that does not have electric drive.

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 high-load medical electric push rod, includes supporting seat (1), its characterized in that, the upper end fixedly connected with driving motor (2) of supporting seat (1), one side of driving motor (2) is equipped with bearing (3), bearing (3) are inlayed in the upper end of supporting seat (1), the output of driving motor (2) has driving gear (5) through the coupling joint, one side meshing of driving gear (5) has driven gear (6), the inner circle fixedly connected with screwed pipe (7) of bearing (3), and the upper end of screwed pipe (7) passes bearing (3) and outwards extends, be connected with driving pipe (9) through positioning mechanism (8) on the outer pipe wall of screwed pipe (7), driving pipe (9) cover is established on screwed pipe (7), driven gear (6) cup joint fixedly on the outer pipe wall of driving pipe (9), a threaded rod (10) is connected to the inner thread of the threaded pipe (7), the upper end of the threaded rod (10) penetrates through the pipe orifice of the threaded pipe (7) and extends outwards, and the transmission pipe (9) is connected to the outer pipe wall of the threaded pipe (7) through two symmetrically arranged limiting assemblies;

the position adjusting mechanism (8) comprises a supporting plate (81), a tension spring set (82) and two position locking components, the supporting plate (81) is fixedly sleeved on the outer pipe wall of the threaded pipe (7), two ends of the tension spring set (82) are respectively connected with the supporting plate (81) and the transmission pipe (9), the two position locking components are symmetrically arranged on the inner pipe wall of the transmission pipe (9), each position locking component comprises a position locking groove (83), a spring (84), a position locking block (85), a pull rod (86) and a clamping groove (87), the position locking groove (83) is arranged on the inner pipe wall of the transmission pipe (9), a through hole is formed in the bottom of the position locking groove (83), one end of the spring (84) is fixedly connected to the bottom of the position locking groove (83), the other end of the spring (84) is fixedly connected to one end of the position locking block (85), and the clamping groove (87) is arranged on the outer pipe wall of the threaded pipe (7) corresponding to the position locking block (85), one end, far away from the spring (84), of the locking block (85) is arranged in the clamping groove (87), one end of the pull rod (86) is fixedly connected to one end, close to the spring (84), of the locking block (85), and the other end of the pull rod (86) penetrates through the through hole and extends outwards.

2. The medical electric push rod for high load according to claim 1, wherein the limiting component comprises a limiting groove (11) and a limiting block (12), the limiting groove (11) is vertically formed on the outer wall of the threaded pipe (7), the limiting block (12) is fixedly connected to the inner wall of the transmission pipe (9), and the limiting block (12) is slidably connected in the limiting groove (11).

3. The medical electric push rod for high load according to claim 1, wherein the side wall of the position locking block (85) close to one end of the spring (84) is symmetrically and fixedly connected with the sliding blocks (13), the groove wall of the position locking groove (83) is symmetrically provided with the sliding grooves (14), and the sliding blocks (13) are slidably connected in the corresponding sliding grooves (14).

4. The medical electric push rod for high load according to claim 1, wherein a magnet (15) is fixedly connected to one end of the locking block (85) far away from the spring (84), an iron sheet (16) is fixedly connected to the bottom of the groove (87), and the magnet (15) and the iron sheet (16) are magnetically adsorbed.

5. The medical electric push rod for high load according to claim 1, wherein a dust-proof ring (17) is arranged between the through hole and the pull rod (86), and the dust-proof ring (17) is fixedly connected to the wall of the through hole.

6. The medical high-load electric push rod for medical treatment according to claim 1, wherein the tension spring group (82) comprises a plurality of tension springs which are distributed in an annular shape with a threaded pipe (7) as an axis and are uniformly and equidistantly arranged.

7. The medical electric push rod for high load according to claim 1, wherein a pull handle is fixedly connected to one end of the pull rod (86) far away from the locking block (85), and the spring (84) is sleeved on the pull rod.

8. The medical electric push rod for high load according to claim 3, characterized in that a slide rod (18) is fixedly connected in the slide groove (14) along the vertical direction, the slide rod (18) is arranged through the slide block (13), and the slide block (13) is slidably connected to the slide rod (18).

9. The medical high-load electric push rod for medical treatment according to claim 2, wherein the end of the limiting block (12) close to the bottom of the limiting groove (11) is embedded with a ball (4), and the ball (4) is in rolling connection with the bottom of the limiting groove (11).