Dual-motor push rod structure for functional bed

By adopting a dual-motor drive module and transmission screw structure on the functional bed, the inconvenience of the traditional manual adjustment method is solved, realizing automated adjustment, improving nursing efficiency and patients' self-control ability.

CN223715360UActive Publication Date: 2025-12-26DONGGUAN CITY LIAN RONG ELECTRICAL ENG CO LTD
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Patent Information

Application Number
CN202520305013.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-12-26
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

Traditional functional beds require manual adjustment of the backrest and footrest, resulting in high labor intensity for caregivers and difficulty for patients to adjust the position accurately to a comfortable position.

Method used

The system employs a dual-motor drive module, which uses a transmission screw and a transmission nut to achieve automatic adjustment of the backrest and footrest of the functional bed. It is equipped with a stroke sensor to improve adjustment accuracy and is stably connected by a mounting cover plate.

Benefits of technology

The automatic adjustment of the functional bed reduces the physical burden on nursing staff, improves nursing efficiency, and allows patients to easily control it themselves, enhancing their autonomy and comfort.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-motor push rod structure used in a functional bed. A driving module comprises a driving motor, a transmission screw rod in transmission fit with the driving motor and a transmission nut nested on the transmission screw rod; the transmission screw rods of the two groups of driving modules respectively extend towards the two sides; driving open grooves formed in the extending direction of the transmission screw are formed in the two sides of the outer shell. The driving open groove is of a two-section structure, the front section of the driving open groove is a screw groove, the transmission screw is located in the screw groove, the rear section of the driving open groove is a push rod groove, and the transmission nut can advance into the push rod groove. Through the dual-motor driving module, the effect of automatic adjustment in the functional bed structure is achieved, adjustment work is achieved through cooperation of the transmission screw and the transmission nut in the driving module structure, adjustment and control over the backrest and the feet can be more stable and accurate, the physical burden of nursing work is greatly relieved, and the nursing efficiency is improved. Meanwhile, the patient can control the adjustment of the functional bed more easily and conveniently, and the autonomous experience and comfort of the patient are improved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to motor push rod technical field relates to a double motor push rod structure for functional bed. BACKGROUND

[0002] In the field of functional bed, the traditional backrest and foot adjustment mode mostly adopts manual operation. This manual adjustment mode has many inconveniences. On the one hand, for nursing personnel, when assisting the patient with difficulty in action to adjust the functional bed backrest or foot position, a lot of physical strength is needed, especially in the case of frequent adjustment, the labor intensity is higher. On the other hand, for the patient himself, if he wants to adjust the functional bed state by himself, manual operation often has difficulty, and it is difficult to accurately adjust to a comfortable position. SUMMARY

[0003] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0004] A double motor push rod structure for functional bed, comprising: an outer shell, two groups of drive modules are arranged at the center position of the outer shell;

[0005] The drive module comprises: a drive motor, a transmission screw rod matched with the drive motor in transmission, and a transmission nut nested on the transmission screw rod;

[0006] The transmission screw rods of the two groups of drive modules respectively extend to two side directions; and the two sides of the outer shell are formed with drive grooves arranged along the extension direction of the transmission screw rod; the drive groove is a two-section structure, the front section of the drive groove is a screw groove, the transmission screw rod is located in the screw groove, and the rear section of the drive groove is a push rod groove, and the transmission nut can travel into the push rod groove;

[0007] The upper end of the push rod groove is an open structure, and the outer shell is formed with a shaft mounting groove corresponding to the upper end position of the push rod groove, and the shaft mounting groove is arranged in a vertical direction with the transmission screw rod; the two sides of the outer shell are also provided with a mounting cover plate covering the upper end opening of the push rod groove.

[0008] As a further scheme of the utility model: a group of stroke sensors are arranged at both ends of the screw groove.

[0009] As a further scheme of the utility model: the transmission nut is composed of an integral forming connecting sleeve and a push rod seat; the middle part of the push rod seat is a hollow structure, the connecting sleeve is formed in the inside of the push rod seat and is nested and installed on the transmission screw rod.

[0010] The utility model discloses a beneficial effect: through the double motor drive module, realize the effect of automatic adjustment in function bed structure, and drive module structure realizes the adjustment work through the cooperation of transmission screw rod and transmission nut, can realize the adjustment control of backrest and foot more stable, accurate, greatly relieve the physical burden of nursing work, improve the nursing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is the structure schematic diagram of the utility model.

[0012] Fig. 2 It is the internal structure schematic diagram of the utility model.

[0013] Fig. 3 It is still another schematic diagram of the internal structure of the utility model. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments of the present application. It should be understood that the present application is not limited to the example embodiments disclosed herein. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0015] In the description of the utility model, it is understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation of the utility model.

[0016] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0017] In the embodiments of the utility model, unless otherwise expressly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through an intermediate medium, or internal communication of two elements or interaction relationship of two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according of specific circumstances.

[0018] Please refer to Figs. 1-3 In the embodiments of the utility model, a double-motor push rod structure for a functional bed comprises: an outer shell 1, two groups of drive modules are arranged at the center position of the outer shell 1;

[0019] The drive module comprises: a drive motor 6, a transmission screw 5 in transmission cooperation with the drive motor 6, and a transmission nut 4 nested on the transmission screw 5, the drive motor 6 drives the transmission screw 5 to rotate, thereby realizing the moving work of the transmission nut 4 on the transmission screw 5;

[0020] The transmission screws 5 of the two groups of drive modules respectively extend to two side directions; and the two sides of the outer shell 1 are formed with drive grooves 3 arranged along the extension direction of the transmission screw 5; the drive groove 3 is a two-section structure, the front section of the drive groove 3 is a screw groove 32, the transmission screw 5 is located in the screw groove 32, and the rear section of the drive groove 3 is a push rod groove 31, and the transmission nut 4 can travel into the push rod groove 31;

[0021] The upper end of the push rod groove 31 is an open structure, and the outer shell 1 is formed with a rotating shaft mounting groove 2 corresponding to the upper end position of the push rod groove 31, the rotating shaft mounting groove 2 is arranged in a vertical direction with the transmission screw 5; the two sides of the outer shell 1 are also provided with a mounting cover plate 3 covering the upper end opening of the push rod groove 31; during installation, the front and rear two groups of rotating push rods 8 (drive rods for adjusting the backrest and the supporting leg) of the functional bed are loaded into the rotating shaft mounting groove 2 from the upper end opening position of the push rod groove 31, the rotating push rod 8 is formed with a push rod seat 9 extending downward into the push rod groove 31, and finally the mounting cover plate 3 is used for installation and fixation.

[0022] During work, the drive motor 6 drives the transmission nut 4 to move, the push rod seat 9 is pushed forward, and the rotating push rod 8 realizes rotating work, thereby realizing the effect of electrically adjusting the backrest and the supporting leg in the functional bed.

[0023] Further, a group of stroke sensors 7 are arranged at the two end positions of the screw groove 32 respectively, so as to avoid the overtravel of the transmission nut 4 and improve the precision of transmission adjustment.

[0024] Further, in order to improve the working stability of the transmission nut 4, the transmission nut 4 is composed of an integrally formed connecting sleeve 41 and a push rod screw seat 42; the middle part of the push rod screw seat 42 is of a hollow structure, the connecting sleeve 41 is formed in the inside of the push rod seat 9, is nested on the transmission screw rod 5, and the contact area with the push rod seat 9 is improved through the push rod screw seat 42.

[0025] It is also important to note that the use of relational terms, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily implying any actual relationship or order between such entities or actions. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0026] The above description of disclosed embodiments provides enabling teaching for making or using the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A dual motor push bar structure for use in a functional bed, characterized by, The utility model relates to a kind of drive mechanism of two-way drive, including: Outer shell, the central position of outer shell is provided with two groups of drive module; Drive module includes: drive motor, transmission screw rod with the transmission cooperation of drive motor and the transmission nut nested on transmission screw rod; The transmission screw rod of two groups of drive module respectively extends to two side directions;And the two sides of outer shell are formed with the drive slot setting along the extension direction of transmission screw rod;Drive slot is two-section structure, the front section of drive slot is screw rod groove, transmission screw rod is located in screw rod groove, the rear section of drive slot is push rod groove, transmission nut can travel to push rod groove; The upper end of push rod groove is open structure, and the upper end position of outer shell corresponding push rod groove is formed with the shaft mounting groove, the shaft mounting groove is vertically arranged with transmission screw rod;The two sides of outer shell are also provided with the installation cover plate covering the upper end opening of push rod groove.

2. A dual motor push bar structure for use in a functional bed as defined in claim 1, wherein Screw rod groove both ends position is provided with a group of stroke sensor.

3. A dual motor push bar structure for use in a functional bed as defined in claim 1, wherein Transmission nut is made of integral forming connecting screw sleeve and push rod screw seat;The middle part of push rod screw seat is hollow structure, connecting screw sleeve is formed in the inside of push rod seat, is nestedly installed on transmission screw rod.