Accompanying chair with buffering and slow-releasing functions and capable of reducing noise

Abstract

The utility model relates to the technical field of medical instruments, in particular to an accompanying chair with buffering and slow-releasing functions and capable of reducing noise, which comprises a frame structure and a foldable cushion structure, the frame structure comprises a seat panel, a front backup plate and a rear backup plate, the seat panel is fixedly connected with a group of mounting ends b, and the mounting ends b are fixedly connected with the cushion structure. A connecting rod a is rotatably hinged between the mounting ends b on the two sides, the front backup plate is fixedly connected with a group of mounting ends a, and a connecting rod b is rotatably hinged between the two mounting ends a. Through the cooperative use of the connecting rod a, the connecting rod b and the damper, when the frame body structure is unfolded, the damping effect of the damper is improved, and the damping effect of the damper is improved. Compared with an existing accompanying chair, the accompanying chair has the advantages that the risk that a user is injured by a crashing object is reduced, the safety is improved, the noise caused by collision between different cushion body backup plates and other structures can be effectively reduced, and the user and a patient are prevented from being frightened.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a nursing chair with a buffering and slow-motion function and capable of reducing noise. Background Art

[0002] A companion chair, also known as a companion bed, patient companion chair or companion bed, is a chair (bed) mainly used in hospital wards or nursing centers to provide a resting environment for the companion. It is usually designed to be foldable, which can be unfolded into a single bed at night and folded up during the day to be used as a seat.

[0003] Traditional accompanying chairs lack resistance when being lowered, which causes a lot of noise during the process. When the user wants to lay the accompanying chair flat, the backrest falls, causing the chair legs to hit the ground and the chair back to hit the frame with a loud piercing sound, which scares the user. Statistics show that there are many incidents of accompanying chairs injuring people every year, so there are safety issues when using them.

[0004] Therefore, a companion chair with a buffering slow-motion function and noise reduction is needed to improve the above problems. Utility Model Content

[0005] The purpose of the utility model is to provide a companion chair with a buffering slow-motion function and reduced noise, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A companion chair with a buffering slow-motion function and noise reduction, comprises a frame structure and a foldable cushion structure, the frame structure comprises a seat panel, a front back panel and a back back panel, the seat panel is fixedly connected with a group of mounting ends b, connecting rods a are rotatably hinged between the mounting ends b on both sides, the front back panel is fixedly connected with a group of mounting ends a, a connecting rod b is rotatably hinged between two mounting ends a, the connecting rod b is rotatably hinged to the connecting rod a, the seat panel and the front back panel are connected by a connecting piece, and a damper is connected between the connecting piece and the connecting rod a.

[0008] As a preferred solution of the utility model, a plurality of rubber sleeves are sleeved on the outer side of the end of the connecting rod b.

[0009] As a preferred solution of the utility model, one end of the damper is hinged to the connecting rod a, and the other end of the damper is fixedly connected to the connecting piece.

[0010] As a preferred solution of the utility model, the frame structure includes a group of symmetrically arranged support frames, the support frames on both sides are connected by fixing rods, the side edges of the support frames on both sides are fixedly connected with support protrusions, and the support protrusions are provided with buffer parts.

[0011] As a preferred solution of the utility model, the buffer component is a plastic buffer pad, and the plastic buffer pad is made of soft rubber material.

[0012] As a preferred solution of the utility model, the two sides of the connecting member have docking ends that are rotatably connected to the seat panel and the front backboard frame, the other end of the front backboard is rotatably connected to the end of the rear backboard through a hinge, and the seat panel, front backboard and rear backboard can be folded or unfolded relative to each other.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model uses the connecting rod b, the connecting rod a and the damper in coordination. When the cushion structure is unfolded, the buffering effect of the damper makes the unfolding of the frame structure slow down. Compared with the existing accompanying chair, the risk of the user being injured by being hit is reduced, the safety is improved, and the noise caused by the collision between different cushion backboards and other structures is effectively reduced, so as to prevent the user and the patient from being frightened. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a first-perspective stereogram of the present invention;

[0016] Figure 2 It is a second perspective stereogram of the utility model;

[0017] Figure 3 It is a cross-sectional view of the utility model.

[0018] In the figure: seat panel 1, front backboard 2, rear backboard 3, support frame 4, support protrusion 5, plastic buffer pad 6, connecting cross bar 7, connecting rod a8, connecting rod b9, rubber sleeve 10, damper 11, mounting end a12, connecting piece 13, mounting end b14. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant. Several embodiments of the utility model are given. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0023] See also Figure 1-3 , the utility model provides a technical solution:

[0024] For example, please refer to Figure 1 , 2 And 3, a companion chair with a buffering slow-motion function and noise reduction, including a frame structure and a foldable cushion structure, the frame structure includes a seat panel 1, a front back panel 2 and a rear back panel 3, a group of mounting ends b14 are fixedly connected to the seat panel 1, and a connecting rod a8 is rotatably hinged between the mounting ends b14 on both sides, a group of mounting ends a12 are fixedly connected to the front back panel 2, a connecting rod b9 is rotatably hinged between the two mounting ends a12, and the connecting rod b9 is rotatably hinged to the connecting rod a8, the seat panel 1 and the front back panel 2 are connected by a connecting member 13, a damper 11 is connected between the connecting member 13 and the connecting rod a8, one end of the damper 11 is hinged to the connecting rod a8, and the other end of the damper 11 is fixedly connected to the connecting member 13.

[0025] The damper 11 is provided to slow down the deployment speed between the seat panel 1 and the front backboard 2, thereby preventing the cushion body from deploying too fast and causing collision and generating loud noise, and also reducing personal injuries caused by too fast speed.

[0026] Please refer to Figure 1 , 2 3. A plurality of rubber sleeves 10 are sleeved on the outer sides of the ends of the support rods 9.

[0027] The provision of the rubber sleeve 10 can increase the friction between the support rod 9 and the bottom surface, making the provision of the support rod 9 more stable while also reducing noise.

[0028] The frame structure includes a group of symmetrically arranged support frames 4, and the support frames 4 on both sides are connected by fixing rods. The sides of the support frames 4 on both sides are fixedly connected with support protrusions 5, and the support protrusions 5 are provided with buffer components, which are plastic buffer pads 6, and the plastic buffer pads 6 are made of soft rubber material.

[0029] The plastic buffer pad 6 plays a buffering role, avoiding direct collision between the pad body and the supporting protrusion 5, and reducing the collision noise.

[0030] The two sides of the connecting member 13 have docking ends that are rotatably connected to the seat panel 1 and the front backboard 2 frame. The other end of the front backboard 2 is rotatably connected to the end of the rear backboard 3 through a hinge. The seat panel 1, the front backboard 2 and the rear backboard 3 can be folded or unfolded relative to each other.

[0031] In actual product testing, the applicant of the accompanying chair in this embodiment has found through monitoring and measurement that the noise can be effectively reduced during the deployment process. The 110-120 decibel noise generated by the accompanying chair in the prior art when it is quickly deployed can be reduced to about 80 decibels after adding the plastic buffer pad 6. Combined with the design of the damper and the slow-descent connecting rod structure, the noise can be effectively reduced to 20-30 decibels, thereby effectively preventing users and patients from being frightened by excessive noise during use.

[0032] 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. A companion chair with a buffering slow-motion function and noise reduction, comprising a frame structure and a foldable cushion structure, wherein the frame structure comprises a seat panel (1), a front back panel (2) and a rear back panel (3), characterized in that: A group of mounting ends b (14) are fixedly connected to the seat panel (1), and a connecting rod a (8) is rotatably hinged between the mounting ends b (14) on both sides; a group of mounting ends a (12) are fixedly connected to the front back panel (2), and a connecting rod b (9) is rotatably hinged between the two mounting ends a (12); the connecting rod b (9) and the connecting rod a (8) are rotatably hinged; the seat panel (1) and the front back panel (2) are connected via a connecting member (13), and a damper (11) is connected between the connecting member (13) and the connecting rod a (8); The frame structure further comprises a group of symmetrically arranged support frames (4), the support frames (4) on both sides being connected via fixing rods, the side edges of the support frames (4) on both sides being fixedly connected with support protrusions (5), and the support protrusions (5) being provided with buffers.

2. The accompanying chair with buffering slow motion function and noise reduction according to claim 1 is characterized in that: A plurality of rubber sleeves (10) are sleeved on the outer side of the end of the connecting rod b (9).

3. The accompanying chair with buffering slow motion function and noise reduction according to claim 1 or 2, characterized in that: One end of the damper (11) is hinged to the connecting rod a (8), and the other end of the damper (11) is fixedly connected to the connecting piece (13).

4. The accompanying chair with buffering slow motion function and noise reduction according to claim 3 is characterized by: The buffer component is a plastic buffer pad (6), and the plastic buffer pad (6) is made of soft rubber material.

5. The accompanying chair with buffering slow motion function and noise reduction according to any one of claims 1-2 and 4, characterized in that: The two sides of the connecting member (13) have butt ends rotatably connected to the seat panel (1) and the front back panel (2) frame, and the other end of the front back panel (2) is rotatably connected to the end of the rear back panel (3) via a hinge, so that the seat panel (1), the front back panel (2) and the rear back panel (3) can be folded or unfolded relative to each other.

Images