CN113081569A

CN113081569A - Steel cable mechanism control system for nursing bed

Info

Publication number: CN113081569A
Application number: CN202110422284.3A
Authority: CN
Inventors: 沈靖; 张执南; 彭力超; 李贝尔
Original assignee: Shanghai Gongjin Medical Technology Co ltd
Current assignee: Shanghai Gongjin Medical Technology Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2021-07-09

Abstract

The invention discloses a control system of a steel cable mechanism, which is used for a nursing bed and consists of a motor, a gear shifting inner rod, a gear shifting gear, a gear shifting push rod, an output gear set and the like, by moving the gear shifting push rod, a convex block in the gear shifting push rod can slide back and forth in a sliding groove at the position of the gear shifting inner rod until the convex block slides to an output gear set with preset gear shifting, the gear shifting push rod rotates anticlockwise and slides backwards to lock to complete gear shifting, and the motor can output the output gear set, by arranging the stop block, when the convex block enters the positioning groove, the convex block can extrude the stop block to enter the lower end of the positioning groove, because the spring action of spring, the spring can exert an elasticity to the dog, extrudes the dog, has avoided the lug to drop from the constant head tank, has ensured output gear group and gear shifting's normal operating, has guaranteed that the motor drives gear shifting's more stable operation.

Description

Steel cable mechanism control system for nursing bed

Technical Field

The invention relates to the technical field of steel cable multipoint control, in particular to a steel cable mechanism control system for a nursing bed.

Background

The steel cable is a flexible rope twisted by multiple or multiple strands of thin steel wires, and is a spiral rope twisted by a certain number of strands with a rope core as the center for lifting, traction and tensioning in a material handling machine.

The wire rope multiple spot controlgear of market at present, it is comparatively troublesome in the actual operation process, can not operate the multiple spot, the practicality is lower, consequently needs a wire rope mechanism control system for nursing bed urgently.

Disclosure of Invention

The present invention is directed to a control system for a cable mechanism of a nursing bed, which solves the above problems of the prior art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cable wire mechanism control system for nursing bed, includes the motor, shift interior pole and output gear group, the output shaft of motor and the interior pole fixed connection of shifting, shift the surface activity of pole has cup jointed the push rod of shifting, shift the surface of push rod and cup joint and be connected with the gear of shifting, output gear group sets up directly over the pole of shifting, output gear group is including two front and back fixed plates, two be provided with the cable wheel between the fixed plate, cable wheel surface winding has the cable wire, output gear has been cup jointed in the cable wheel, and the both sides of two fixed plates are provided with the electro-magnet, gear of shifting and output gear meshing.

Preferably, the upper side surface of the gear shifting inner rod is provided with a sliding groove, the right side surface of the gear shifting inner rod is provided with a positioning groove communicated with the sliding groove, and the upper surface of the inner wall of the gear shifting push rod is fixedly connected with a convex block matched with the sliding groove and the positioning groove.

Preferably, a placing groove is formed in the rear surface of the inner wall of the positioning groove, limiting grooves are formed in the inner wall surfaces of the left side and the right side of the placing groove, and a stop block is arranged in the placing groove.

The equal fixedly connected with stopper in left and right sides surface of dog, two the stopper is sliding connection respectively at the spacing inslot.

The rear surface of the stop block is fixedly connected with a spring, and the spring is fixedly connected to the inner wall surface of the placing groove.

Compared with the prior art, the invention has the beneficial effects that:

(1) the steel cable mechanism control system for the nursing bed comprises a motor, a gear shifting inner rod, a gear shifting gear, a gear shifting push rod, an output gear set and the like, wherein the motor is a power system, a convex block arranged in the gear shifting push rod can slide back and forth in a sliding groove at the position of the gear shifting inner rod by moving the gear shifting push rod until the gear shifting push rod slides to an output gear set with preset gear shifting, the gear shifting push rod rotates anticlockwise and slides backwards to lock to complete gear shifting, and the motor can output the output gear set, by arranging the stop block, when the convex block enters the positioning groove, the convex block can extrude the stop block to enter the lower end of the positioning groove, because the spring action of spring, the spring can exert an elasticity to the dog, extrudes the dog, has avoided the lug to drop from the constant head tank, has ensured output gear group and gear shifting's normal operating, has guaranteed that the motor drives gear shifting's more stable operation.

(2) This a cable wire mechanism control system for nursing bed, output gear group comprises output gear, electro-magnet, steel cable wheel, fixed plate, and the cable wire winding is on the steel cable wheel, and after shifting the completion, the electro-magnet at first circular telegram, removes output gear's auto-lock, and the motor rotates, twines the cable wire, waits to reach the predetermined position after, and the electro-magnet outage locks output gear, and the motor outage accomplishes work, and it is comparatively convenient to operate.

Drawings

FIG. 1 is a schematic diagram of the general configuration of a control system for a cable mechanism of a care bed according to the present invention;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a schematic structural view of an output gearset of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B according to the present invention;

FIG. 5 is a schematic view of the stopper of the present invention;

FIG. 6 is a schematic diagram of the structure of an electromagnet according to the present invention;

FIG. 7 is a schematic view of a shift plunger of the present invention;

FIG. 8 is a schematic right side view of an overall cable mechanism control system for a care bed in accordance with the present invention;

FIG. 9 is a schematic diagram of a top view of a control system for a cable mechanism of a care bed according to the present invention;

FIG. 10 is a schematic view of a bottom view of a cable mechanism control system for a care bed according to the present invention;

fig. 11 is a schematic structural view of a shift gear of the present invention.

In the figure: 1. a motor; 2. a gear shifting inner rod; 21. a chute; 22. positioning a groove; 24. a limiting groove; 3. a gear shift push rod; 31. bump: 4. a shift gear; 5. an output gear set; 6. a fixing plate; 61. a steel cord; 62. a wire rope wheel; 63. an output gear; 7. an electromagnet; 8. a stopper; 81. a limiting block; 82. a spring.

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 to 11, the present invention provides a technical solution: a steel cable mechanism control system for a nursing bed comprises a motor 1, an inner gear shifting rod 2 and an output gear set 5, wherein an output shaft of the motor 1 is fixedly connected with the inner gear shifting rod 2, a gear shifting push rod 3 is movably sleeved on the surface of the inner gear shifting rod 2, a gear shifting gear 4 is sleeved and connected on the surface of the gear shifting push rod 3, the output gear set 5 is arranged right above the inner gear shifting rod 2, the output gear set 5 comprises a front fixing plate and a rear fixing plate 6, the steel cable mechanism control system for the nursing bed is composed of the motor 1, the inner gear shifting rod 2, the gear shifting gear 4, the gear shifting push rod 3, the output gear set 5 and the like, wherein the motor 1 is a power system, a convex block 31 arranged in the gear shifting push rod 3 can slide back and forth in a sliding groove 21 at the position of the inner gear shifting rod 2 by moving the gear shifting push rod 3 until the gear shifting output gear set 5, after gear shifting is completed, the motor can output the output gear set 5, the stop block 8 is arranged, when the projection block 31 enters the positioning groove 22, the projection block 31 can extrude the stop block 8 to enter the lower end of the positioning groove 22, due to the elastic action of the spring 82, the spring 82 can apply elastic force to the stop block 8 to extrude the stop block 8, the projection block 31 is prevented from falling off from the positioning groove 22, the normal operation of the output gear set 5 and the gear shifting gear 4 is ensured, the motor 6 drives the gear shifting gear 4 to operate more stably, the output gear set 5 is composed of an output gear 63, an electromagnet 7, a steel cable wheel 62 and a fixing plate 6, the steel cable 61 is wound on the steel cable wheel 62, after gear shifting is completed, the electromagnet 7 is firstly electrified to release self-locking of the output gear 63, the motor 1 rotates to wind the steel cable 61, and when a preset position is reached, the electromagnet 7 is powered off to lock the output gear 63, the motor 1 is powered off to complete work, the operation is convenient, a steel cable wheel 62 is arranged between two fixing plates 6, a steel cable 61 is wound on the surface of the steel cable wheel 62, an output gear 63 is sleeved in the steel cable wheel 62, electromagnets 7 are arranged on two sides of the two fixing plates 6, a gear shifting gear 4 is meshed with the output gear 63, a chute 21 is arranged on the upper side surface of a gear shifting inner rod 2, a positioning groove 22 communicated with the chute 21 is arranged on the right side surface of the gear shifting inner rod 2, a convex block 31 matched with the chute 21 and the positioning groove 22 is fixedly connected on the inner wall of a gear shifting push rod 3, a placing groove 23 is arranged on the rear surface of the inner wall of the positioning groove 22, limiting grooves 24 are respectively arranged on the inner wall surfaces of the left side and the right side of the placing groove 23, a stop block 8 is arranged in, the spring 82 is fixedly connected to the rear surface of the stopper 8, and the spring 82 is fixedly connected to the inner wall surface of the placement groove 23.

Specifically, when the invention is used: a control system of a cable mechanism for a nursing bed comprises a motor 1, an inner gear shift rod 2, a gear shift gear 4, a gear shift push rod 3, an output gear set 5 and the like, wherein the motor 1 is a power system, the gear shift push rod 3 is moved, a bump 31 arranged inside the gear shift push rod 3 can slide back and forth in a sliding groove 21 at the inner gear shift rod 2 until the output gear set 5 with preset gear shift slides, the gear shift push rod 3 rotates anticlockwise and slides backwards to lock to complete gear shift, the motor can output the output gear set 5, the bump 8 is arranged, when the bump 31 enters a positioning groove 22, the bump 31 can extrude the bump 8 to enter the lower end of the positioning groove 22, due to the elastic action of the spring 82, the spring 82 can apply an elastic force to the bump 8 to extrude the bump 8, the bump 31 is prevented from falling out of the positioning groove 22, and the normal operation of the output gear set 5 and the gear shift gear set 4 is ensured, guaranteed that motor 6 drives the more stable operation of gear 4 of shifting, output gear group 5 comprises output gear 63, electro-magnet 7, cable wheel 62, fixed plate 6, cable 61 twines on cable wheel 62, when shifting the completion back, electro-magnet 7 at first circular telegram, remove output gear 63's auto-lock, motor 1 rotates, twine cable 61, wait to reach behind the predetermined position, electro-magnet 7 cuts off the power supply, lock output gear 63, motor 1 cuts off the power supply, accomplish work, it is comparatively convenient to operate.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cable wire mechanism control system for nursing bed, includes motor (1), shift interior pole (2) and output gear group (5), its characterized in that: the output shaft of motor (1) and interior pole (2) fixed connection shifts, shift push rod (3) have been cup jointed in the surface activity of pole (2) in shifting, the surface cup joint of shift push rod (3) is connected with gear shifting (4), output gear group (5) set up directly over pole (2) in shifting, output gear group (5) are including two front and back fixed plates (6), two be provided with cable wheel (62) between fixed plate (6), cable wheel (62) surface winding has cable wire (61), output gear (63) have been cup jointed in cable wheel (62), and the both sides of two fixed plates (6) are provided with electro-magnet (7), gear shifting (4) and output gear (63) meshing.

2. A control system for a wire rope mechanism of a care bed as recited in claim 1, wherein: the gear shifting push rod is characterized in that a sliding groove (21) is formed in the upper side surface of the gear shifting inner rod (2), a positioning groove (22) communicated with the sliding groove (21) is formed in the right side surface of the gear shifting inner rod (2), and a convex block (31) matched with the sliding groove (21) and the positioning groove (22) is fixedly connected to the upper surface of the inner wall of the gear shifting push rod (3).

3. A control system for a wire rope mechanism of a care bed as recited in claim 2, wherein: a placing groove (23) is formed in the rear surface of the inner wall of the positioning groove (22), limiting grooves (24) are formed in the inner wall surfaces of the left side and the right side of the placing groove (23), and a stop block (8) is arranged in the placing groove (23).

4. A control system for a wire rope mechanism of a care bed as recited in claim 3, wherein: the equal fixedly connected with stopper (81) in both sides surface about dog (8), two stopper (81) sliding connection is in spacing groove (24) respectively.

5. A control system for a wire rope mechanism of a care bed as recited in claim 3, wherein: the rear surface of the stop block (8) is fixedly connected with a spring (82), and the spring (82) is fixedly connected to the inner wall surface of the placing groove (23).