Scissor type lifting electric guardrail

By designing scissor lifting electric guardrails, the mechanical structure is used to achieve precise adjustment of the handrail height, solving the problem that existing guardrails cannot be adjusted, and improving the convenience of patients' use and medical work efficiency.

CN222815980UActive Publication Date: 2025-05-02CHANGZHOU INST OF TECH
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Patent Information

Application Number
CN202421418192.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-20
Publication Date
2025-05-02
Estimated Expiration
2034-06-20

AI Technical Summary

Technical Problem

The existing bed guardrail structure cannot be height-adjusted according to actual conditions, cannot meet the needs of different patients, and affects the efficiency of medical care.

Method used

A scissor lifting electric guardrail is designed to achieve precise adjustment of the handrail height through mechanical structure, including a combination of stepper motor, coupling, screw and mobile support block, to realize the synchronous movement of the upper cover of the handrail and the bottom support rod.

Benefits of technology

It realizes flexible adjustment of the handrail height, improves the convenience and safety of patients, and improves the practicality of the hospital bed and the efficiency of medical care.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of sickbed guardrails, and discloses a shear type lifting electric guardrail which comprises a bed body, armrest mechanisms are arranged at the ends of the two sides of the bed body, each armrest mechanism comprises an armrest upper cover, a bottom supporting rod, a stepping motor, a coupler and a hinge seat, the side edge of the bed body is fixedly connected with a side connecting plate, and the side connecting plates are connected with the bottom supporting rods. The other side of the side connecting plate is fixedly connected with a middle supporting rod, and the outer surface of the stepping motor is installed in the middle of the interior of the middle supporting rod. According to the scissor type lifting electric guardrail, the height of the handrail can be effectively adjusted according to the requirements of a patient, so that the patient can conveniently grasp the handrail to move, the convenience is improved, meanwhile, adjustment is achieved in a mechanical mode through the structural arrangement, the adjustment precision is high, the requirements of the patient are met, adjustment is convenient, and the practicability is high. And medical staff and family members can learn and use the sickbed quickly, so that the sickbed assists the patient in moving, and the practicability of the sickbed is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hospital bed guardrails, in particular to a scissor-type lifting electric guardrail. Background Art

[0002] A hospital bed generally refers to a nursing bed, which is designed according to the patient's treatment needs and bedridden lifestyle so that family members can accompany the patient. It has multiple nursing functions and operation buttons, and is an insulated and safe bed. It has functions such as weight monitoring, back-raising for dining, intelligent turning over, prevention of bedsores, negative pressure urine collection and bedwetting alarm monitoring, mobile transportation, rest, rehabilitation, drug administration and infusion, etc. Rehabilitation beds can be used alone or in conjunction with treatment or rehabilitation equipment.

[0003] However, the following problems still exist in actual use:

[0004] Most of the existing hospital beds are provided with guardrail structures on both sides to prevent the patient from falling when turning over, and to be used for the patient to manually support. However, the guardrail structures of the existing hospital beds are mostly composed of simple structures, which cannot meet the requirements of height adjustment according to actual conditions. Therefore, it is impossible to achieve the purpose of effective adjustment when facing different patients and situations, thereby affecting the efficiency of the entire medical work and having poor practicality. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a scissor-type lifting electric guardrail, which has the advantage of being able to achieve precise height adjustment by mechanical means, thereby being convenient for patients to use and solving the problems raised in the background technology.

[0006] The utility model provides the following technical solution: a scissor-type lifting electric guardrail, comprising: a bed body, armrest mechanisms are arranged on both side ends of the bed body, the armrest mechanism comprises an armrest upper cover, a bottom support rod, a stepper motor, a coupling and an articulated seat, the side of the bed body is fixedly connected with a side connecting plate, the other side of the side connecting plate is fixedly connected with an intermediate support rod, the outer surface of the stepper motor is installed at the middle position inside the intermediate support rod, the output shafts at both ends of the stepper motor are connected with a coupling, the other side of the coupling is connected with a lead screw, the outer surface of the lead screw is threadedly connected with a movable support block, the two sides of the movable support block are hinged with support rods through support pins, the support rod on one side is hinged with an articulated seat through the support pin, the interior of the armrest upper cover is fixedly connected to the articulated seat, the support rod on the other side is hinged with the articulated seat through the support pin, and the interior of the bottom support rod is fixedly connected to the articulated seat.

[0007] Preferably, both end outer surfaces of the armrest upper cover are fixedly connected with side covers, the inner sides of the side covers are fitted with the both end outer surfaces of the middle support rod, and the both end outer surfaces of the bottom support rod are fitted with the inner sides of the side covers.

[0008] Preferably, bearings are connected to the inside of both ends of the intermediate support rod, and the outer surface of the end of the screw rod is connected to the inside of the bearing.

[0009] Preferably, the support rods are provided in four groups, and the four groups of support rods are symmetrically arranged in pairs about the midline of the middle support rod.

[0010] Preferably, the armrest mechanisms are provided in four groups, and the four groups of armrest mechanisms are symmetrically arranged in pairs about the midline of the bed.

[0011] Preferably, a footboard is connected to one side of the bed body.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The scissor-type lifting electric guardrail is provided with an armrest mechanism. When the height of the armrest is adjusted according to the needs, the whole device is first installed on both sides of the bed body through the side connecting plates. Since a stepper motor is provided in the middle position of the inner part of the middle support rod, and both ends of the stepper motor are connected to a lead screw through a coupling, and the outer surface end of the lead screw is threadedly connected to a movable support block, and the two ends of the movable support block are hinged with support rods through support pins, and two adjacent groups of support rods are hinged to the upper cover of the armrest through an articulated seat and a matching support pin, and the other two adjacent groups of support rods are hinged to the bottom support rod through an articulated seat and a matching support pin. When the stepper motor is working, the movable support The cooperation of the blocks makes the screw rod rotate synchronously, and the movable support block connected to the outer surface of the screw rod moves on its outer surface, and through the cooperation of the support rod and the hinge seat, the armrest upper cover and the bottom support rod move toward and away from each other synchronously, so as to adjust the height of the armrest. The setting of this structure can effectively adjust the height of the armrest according to the needs of the patient, so that it is convenient for the patient to grasp the armrest for activities and improve its convenience. At the same time, the setting of this structure realizes adjustment by mechanical means, with high adjustment accuracy, which meets the needs of the patient and is convenient to adjust, so that medical staff and family members can quickly learn and use it, thereby assisting the patient to carry out activities and improving the practicality of the bed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the overall structure of the utility model device;

[0015] Figure 2 This is a schematic diagram of the overall structure of the armrest mechanism of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the armrest mechanism of the utility model.

[0017] In the figure: 1. bed body; 2. footboard; 3. armrest mechanism; 4. side connecting plate; 5. armrest upper cover; 6. middle support rod; 7. side cover; 8. bottom support rod; 9. stepper motor; 10. coupling; 11. support rod; 12. screw; 13. hinge seat; 14. bearing; 15. movable support block. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1 , Figure 2 and Figure 3 The scissor-type lifting electric guardrail comprises: a bed body 1, armrest mechanisms 3 are arranged on both side ends of the bed body 1, the armrest mechanism 3 comprises an armrest upper cover 5, a bottom support rod 8, a stepper motor 9, a coupling 10 and an articulated seat 13, a side of the bed body 1 is fixedly connected with a side connecting plate 4, the other side of the side connecting plate 4 is fixedly connected with an intermediate support rod 6, the outer surface of the stepper motor 9 is installed with the middle position of the inner part of the intermediate support rod 6, the output shafts at both ends of the stepper motor 9 are connected with a coupling 10, the other side of the coupling 10 is connected with a screw rod 12, the outer surface of the screw rod 12 is threadedly connected with a moving support block 15, the two sides of the moving support block 15 are hinged with support rods 11 through support pins, one side support rod 11 is hinged with an articulated seat 13 through a support pin, the inside of the armrest upper cover 5 is fixedly connected with the articulated seat 13, the other side support rod 11 is hinged with the articulated seat 13 through a support pin, and the inside of the bottom support rod 8 is fixedly connected with the articulated seat 13 The overall device is installed on both sides of the bed body 1 through the side connecting plate 4. Since there is a stepper motor 9 in the middle position of the inner part of the middle support rod 6, and both ends of the stepper motor 9 are connected to the screw rod 12 through the coupling 10, and the outer surface end of the screw rod 12 is threadedly connected to the movable support block 15, and the two ends of the movable support block 15 are hinged with the support rod 11 through the support pin shaft. The two adjacent groups of support rods 11 are hinged with the armrest cover 5 through the hinge seat 13 and the corresponding support pin shaft, and the other two adjacent groups of support rods 11 are hinged with the bottom support rod 8 through the hinge seat 13 and the corresponding support pin shaft. When the stepper motor 9 is working, the screw rod 12 rotates synchronously through the cooperation of the movable support block 15, and the movable support block 15 connected to the outer surface of the screw rod 12 moves on its outer surface, and through the cooperation of the support rod 11 and the hinge seat 13, the armrest upper cover 5 and the bottom support rod 8 move toward and away from each other synchronously, thereby adjusting the height of the armrest.

[0020] See also Figure 2 The outer surfaces of both ends of the armrest upper cover 5 are fixedly connected with side covers 7, the inner sides of the side covers 7 are fitted with the outer surfaces of both ends of the middle support rod 6, and the outer surfaces of both ends of the bottom support rod 8 are fitted with the inner sides of the side covers 7.

[0021] See also Figure 3 Bearings 14 are connected to the inside of both ends of the middle support rod 6, and the outer surface of the end of the screw rod 12 is connected to the inside of the bearing 14.

[0022] See also Figure 2 and Figure 3 There are four groups of support rods 11, and the four groups of support rods 11 are symmetrically arranged in pairs with the midline of the middle support rod 6. There are four groups of armrest mechanisms 3, and the four groups of armrest mechanisms 3 are symmetrically arranged in pairs with the midline of the bed body 1.

[0023] See also Figure 1 A footboard 2 is connected to one side of the bed body 1.

[0024] Working principle: when in use, first, when the stepper motor 9 is working, the screw rod 12 rotates synchronously through the cooperation of the moving support block 15, and the moving support block 15 connected to the outer surface of the screw rod 12 moves on its outer surface, and through the cooperation of the support rod 11 and the hinge seat 13, the armrest upper cover 5 and the bottom support rod 8 move toward and away from each other synchronously, thereby adjusting the height of the armrest.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. Scissor lift electric guardrail, characterized in that: include: A bed body (1), wherein both ends of the bed body (1) are provided with an armrest mechanism (3), wherein the armrest mechanism (3) comprises an armrest upper cover (5), a bottom support rod (8), a stepper motor (9), a coupling (10) and a hinge seat (13), wherein the side edge of the bed body (1) is fixedly connected with a side connecting plate (4), wherein the other side of the side connecting plate (4) is fixedly connected with an intermediate support rod (6), wherein the outer surface of the stepper motor (9) is installed at the inner middle position of the intermediate support rod (6), and the output shafts at both ends of the stepper motor (9) are connected with couplings (10). ), the other side of the coupling (10) is connected to a screw rod (12), the outer surface of the screw rod (12) is threadedly connected to a movable support block (15), the two sides of the movable support block (15) are hinged with support rods (11) through support pins, one side of the support rod (11) is hinged with an articulated seat (13) through a support pin, the interior of the armrest upper cover (5) is fixedly connected to the articulated seat (13), the other side of the support rod (11) is hinged with the articulated seat (13) through a support pin, and the interior of the bottom support rod (8) is fixedly connected to the articulated seat (13).

2. The scissor lift electric guardrail according to claim 1, characterized in that: The outer surfaces of both ends of the armrest upper cover (5) are fixedly connected to the side covers (7), the inner sides of the side covers (7) are fitted with the outer surfaces of both ends of the middle support rod (6), and the outer surfaces of both ends of the bottom support rod (8) are fitted with the inside of the side covers (7).

3. The scissor lift electric guardrail according to claim 1, characterized in that: The interior of both ends of the intermediate support rod (6) is connected to a bearing (14), and the outer surface of the end of the screw rod (12) is connected to the interior of the bearing (14).

4. The scissor lift electric guardrail according to claim 1, characterized in that: The support rods (11) are provided in four groups, and the four groups of support rods (11) are symmetrically arranged in pairs around the midline of the middle support rod (6).

5. The scissor lift electric guardrail according to claim 2, characterized in that: The armrest mechanisms (3) are provided in four groups, and the four groups of armrest mechanisms (3) are symmetrically arranged in pairs about the center line of the bed body (1).

6. The scissor lift electric guardrail according to claim 1, characterized in that: One side of the bed body (1) is connected to a footboard (2).