Arm force pad adjustment mechanism for multi-position treatment bed

Abstract

The invention discloses an arm force pad adjustment mechanism for a multi-position treatment bed, which belongs to the technical field of multi-position physiotherapy devices, and comprises: a bed body, which is provided with a head pad, and a fixing rod is provided under the head pad; arm force pads are provided at both sides of the head pad; a connecting component is sleeved on the fixing rod, and one end of the connecting component is fixedly connected to the arm force pad; when the arm force pad is not subjected to external force, the connecting component has a first part and a second part which respectively abut against the fixing rod, and the first part is higher than the second part; the invention utilizes the first part and the second part which abut against the fixing rod to effectively position and fix the arm force pad, and when it is necessary to adjust the height of the arm force pad, it is only necessary to hold the arm force pad tightly and lift it upward slightly, and then the height of the arm force pad can be adjusted in the vertical direction along the fixing rod, and after adjusting to a suitable height, the arm force pad can be automatically positioned and fixed after the hand is released, and the structure is simple, the cost is low, the expected service life is high, the maintenance and replacement are convenient, and the operation is simple.

Description

Technical Field

[0001] The invention relates to the technical field of multi-position physiotherapy devices, and in particular to an arm force pad adjustment mechanism for a multi-position treatment bed. Background Art

[0002] At present, with the development of society and the improvement of people's living standards, medical auxiliary equipment represented by multi-position treatment beds are becoming more and more widely used. Multi-position treatment beds can effectively relieve the discomfort or pain in various parts of the patient's body by performing physical therapy on different parts of the patient's body (mainly the neck, chest, lumbar spine, etc.). The bed surface of a multi-position treatment bed is usually divided into multiple sections, and the angle of each section can be adjusted by means of gas springs, electric push rods, cylinders, or motors with drive belts, so that patients can receive physical therapy in a comfortable and reasonable position, which can greatly improve the physical therapy effect and user experience.

[0003] When using a multi-position treatment bed for physical therapy, it is mainly divided into supine and prone positions according to the different body positions of the patient. When the patient is prone, the horizontal bed surface makes it difficult for the patient's arms to be placed comfortably. The existing solution is usually to dismantle the part of the bed corresponding to the arm (i.e., the arm pad) or let it hang naturally so that the patient's arm can hang naturally or lower the arm pad to a suitable height to facilitate the placement of the arm. During the physical therapy process, the arm hanging naturally for a long time will also cause discomfort to the patient. The existing mechanism for adjusting the height of the arm pad can be an electric control device such as a gas spring, an electric push rod, and a cylinder. This type of equipment is expensive and has a short expected service life, and the maintenance and replacement costs are high; there is also a pure mechanical structure that uses a slide rail, a slideway or a slide rod to achieve the up and down movement of the adjustment arm, but each time the height of the adjustment arm is adjusted, it needs to be manually fixed and positioned, which is cumbersome to operate. Summary of the invention

[0004] In order to solve the problems existing in the prior art, the arm pad adjustment mechanism of the multi-position treatment bed provided by the present invention can effectively position and fix the arm pad by utilizing the first part and the second part abutting against the fixing rod. When the height of the arm pad needs to be adjusted, it is only necessary to hold the arm pad tightly and lift it upward slightly, and then the height of the arm pad can be adjusted in the vertical direction along the fixing rod. After adjusting to the appropriate height, the arm pad can be automatically positioned and fixed after letting go. The structure is simple, the cost is low, the expected service life is high, the maintenance and replacement are convenient, and the operation is simple.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] The arm force pad adjustment mechanism of the multi-position treatment bed comprises:

[0007] A bed body, wherein a headrest is provided on the bed body corresponding to the position of the head, and a vertically arranged fixing rod is provided below the headrest;

[0008] Arm force pads, the arm force pads are arranged on both sides of the head pad;

[0009] A connecting component, wherein the connecting component is sleeved on the fixing rod, and one end of the connecting component is fixedly connected to the arm force pad; when the arm force pad is not subjected to external force, the connecting component has a first portion and a second portion that respectively abut against the fixing rod, the first portion abuts against the side of the fixing rod away from the arm force pad, the second portion abuts against the side of the fixing rod close to the arm force pad, and the first portion is higher than the second portion.

[0010] As a preferred technical solution, when the arm pad is not subjected to external force, the upper surface of the arm pad is in a horizontal state; and / or, when the height of the surface of the arm pad is consistent with the height of the surface of the head pad, the arm pad is in contact with the adjacent side of the head pad; and / or, the head pad has a hole for placing the head.

[0011] As a preferred technical solution, a limiting component for preventing the connecting component from moving downward is provided at the bottom end of the fixing rod.

[0012] As a preferred technical solution, the limiting component is configured as a protrusion provided on the side surface of the bottom end of the fixing rod, and the protrusion is configured as at least two and distributed along the circumference of the fixing rod.

[0013] As a preferred technical solution, the protrusion is located on the side of the fixing rod that is not in contact with the first part or the second part.

[0014] As a preferred technical solution, the connecting assembly includes two connecting plates respectively arranged on opposite sides of the fixing rod, a first bolt is provided between the connecting plates on the side of the fixing rod away from the arm force pad for connection, and a second bolt is provided between the connecting plates on the side of the fixing rod close to the arm force pad for connection, the part of the first bolt located between the two connecting plates forms the first part, and the part of the second bolt located between the two connecting plates forms the second part.

[0015] As a preferred technical solution, one end where the two connecting plates are connected to the arm force pad is provided with a connecting cross plate for connection.

[0016] As a preferred technical solution, a positioning block is sleeved on the portion of the second bolt located between the two connecting plates.

[0017] As a preferred technical solution, the shape of the side surface of the positioning block close to the fixing rod matches the side surface of the fixing rod.

[0018] As a preferred technical solution, a third part is provided below the first part. When the arm force pad is not subjected to external force, there is a gap between the third part and the fixing rod, and the third part is not lower than the second part.

[0019] The beneficial effects of the present invention are as follows:

[0020] 1. The present invention can effectively position and fix the arm force pad by utilizing the first part and the second part abutting against the fixing rod. When the height of the arm force pad needs to be adjusted, it is only necessary to hold the arm force pad tightly and lift it upward slightly, and then the height of the arm force pad can be adjusted in the vertical direction along the fixing rod. After adjusting to the appropriate height, the arm force pad can be automatically positioned and fixed after letting go. The structure is simple, the cost is low, the expected service life is high, the maintenance and replacement are convenient, and the operation is simple.

[0021] 2. The present invention utilizes a positioning block sleeved on the second bolt to increase the contact area with the fixing rod, improve the friction between the positioning block and the fixing rod, and ensure the positioning and fixing effect of the arm force pad.

[0022] 3. The present invention utilizes the third part arranged below the first part. When the first part is damaged or broken, the third part can effectively prevent the arm pad from falling and play a protective role. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is an overall structural diagram of an embodiment of the arm force pad adjustment mechanism of the multi-position treatment bed of the present invention;

[0024] Figure 2 for Figure 1 Schematic diagram of the overall structure after a connecting plate is hidden;

[0025] Figure 3 for Figure 2 Front view of.

[0026] In the figure: 1-head pad, 2-fixing rod, 21-limiting assembly, 3-arm force pad, 4-connecting assembly, 41-connecting plate, 42-first bolt, 43-second bolt, 44-connecting cross plate, 45-positioning block, 46-third part. DETAILED DESCRIPTION

[0027] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to the accompanying drawings.

[0028] Please refer to Figure 1-Figure 3, is an embodiment of the arm force pad adjustment mechanism of the multi-position treatment bed of the present invention, comprising: a bed body, a head pad 1 is provided on the bed body corresponding to the head position, and a vertically arranged fixed rod 2 is provided below the head pad 1; arm force pads 3, and the arm force pads 3 are arranged on both sides of the head pad 1; a connecting component 4, the connecting component 4 is sleeved on the fixed rod 2, one end of the connecting component 4 is fixedly connected to the arm force pad 3, and the arm force pad 3 can move up and down along the fixed rod 2 through the connecting component 4; when the arm force pad 3 is not subjected to external force, the connecting component 4 has a first part and a second part that are respectively abutted against the fixed rod 2, the first part abuts against the side of the fixed rod 2 away from the arm force pad 3, and the second part abuts against the side of the fixed rod 2 close to the arm force pad 3, the first part is higher than the second part, at this time, the connecting component The overall center of gravity of the connecting component 4 and the arm pad 3 is located in the area between the fixed rod 2 and the arm pad 3. Under the action of the overall gravity of the connecting component 4 and the arm pad 3, the arm pad 3 can be firmly positioned and fixed by the first part and the second part abutting against the fixed rod 2. When in use, the patient's arm is placed on the arm pad 3 to apply downward pressure to the arm pad 3, which will not cause the overall center of gravity of the connecting component 4 and the arm pad 3 to shift to the other side of the fixed rod 2, and the arm pad 3 can be continuously positioned and fixed; when it is necessary to adjust the height of the arm pad 3, hold the arm pad 3 tightly and lift it upwards slightly to separate the second part from the fixed rod 2, reduce the friction between the connecting component 4 and the fixed rod 2, and easily adjust the height of the arm pad 3.

[0029] For clarification, please refer to Figure 1-Figure 3 When the arm pad 3 is not subjected to external force, the upper surface of the arm pad 3 is in a horizontal state, which is convenient for placing the arm and improving the user experience; when the height of the surface of the arm pad 3 is consistent with the height of the surface of the head pad 1, the arm pad 3 and the adjacent sides of the head pad 1 are fitted together to form a flat bed surface, which is convenient for the patient to receive physical therapy when lying on his back; the head pad 1 is provided with a hole for placing the head, which is convenient for the patient to place the head when lying on his stomach.

[0030] In this embodiment, please refer to Figure 1-Figure 3 The bottom end of the fixing rod 2 is provided with a limiting component 21 for preventing the connecting component 4 from moving downward, and the limiting component 21 is prevented from falling off the fixing rod 2 when adjusting the height of the arm force pad 3; further, the limiting component 21 is configured as a protrusion provided on the side of the bottom end of the fixing rod 2, and the protrusions are configured as at least two, and the protrusions are distributed along the circumference of the fixing rod 2, and the protrusions limit the limiting component 21 from falling from the fixing rod 2 in a manner of abutting against the bottom surface of the limiting component 21; specifically, the protrusion can be a bolt passing through the fixing rod 2, and the two ends of the bolt emerging from both sides of the fixing rod 2 can form protrusions. In other embodiments, the protrusion can also be a pin shaft passing through the fixing rod 2, or, the fixing rod 2 is provided with a plurality of connecting holes, each of which is connected to a connecting piece protruding from the side of the fixing rod 2, and the connecting piece can also form a protrusion.

[0031] It should be noted that the protrusion is located on the side of the fixing rod 2 that is not in contact with the first part or the second part. Since the heights of the first part and the second part are different, when the protrusion is on the same vertical plane as the first part or the second part, multiple protrusions may not be able to limit at the same time, affecting the limiting effect.

[0032] In this embodiment, please refer to Figure 1-Figure 3 The connecting assembly 4 includes two connecting plates 41 respectively arranged on opposite sides of the fixing rod 2, a first bolt 42 is provided between the connecting plates 41 on the side of the fixing rod 2 away from the arm force pad 3 for connection, and a second bolt 43 is provided between the connecting plates 41 on the side of the fixing rod 2 close to the arm force pad 3 for connection, the part of the first bolt 42 located between the two connecting plates 41 forms a first part, and the part of the second bolt 43 located between the two connecting plates 41 forms a second part. While the first bolt 42 and the second bolt 43 play the role of connecting the two connecting plates 41, the side surfaces of the first bolt 42 and the second bolt 43 can abut against the side surfaces of the fixing rod 2, thereby playing the role of positioning and fixing the connecting assembly 4; in other embodiments, the connecting assembly 4 can also be set as a connecting block with a through hole, the through hole is sleeved on the fixing rod 2, and two positioning blocks 45 protruding from the inner surface and matching the positions of the first part and the second part are formed on the inner surface of the through hole, which can also realize the positioning and fixing of the connecting assembly 4 on the fixing rod 2.

[0033] Based on the above examples, please refer to Figure 1-Figure 3 One end of the two connecting plates 41 connected to the arm pad 3 is provided with a connecting cross plate 44 for connection. The connecting cross plate 44 can improve the connection and fixing effect of the two connecting plates 41. At the same time, the connecting component 4 can be more conveniently connected to the arm pad 3 through the connecting cross plate 44.

[0034] Based on the above examples, please refer to Figure 1-Figure 3 A positioning block 45 is sleeved on the portion of the second bolt 43 located between the two connecting plates 41. The positioning block 45 can increase the contact area between the second bolt 43 and the fixing rod 2, effectively improving the friction between the two, and ensuring the positioning and fixing effect of the arm force pad 3; further, the shape of the side of the positioning block 45 close to the fixing rod 2 matches the side of the fixing rod 2, ensuring that the side of the positioning block 45 is fully fitted with the side of the fixing rod 2, thereby improving the friction between the two.

[0035] In this embodiment, please refer to Figure 1-Figure 3A third part 46 is provided below the first part. When the arm pad 3 is not subjected to external force, there is a gap between the third part 46 and the fixing rod 2, and the third part 46 is not lower than the second part. In actual use, the gravity of the connecting plate 41 and the arm pad 3 and the pressure of the patient's arm are mainly borne by the first part. After long-term use, there may be a hidden danger of damage or breakage of the first part. At this time, the third part 46 can effectively prevent the arm pad 3 from falling, thereby playing a protective role. Specifically, the third part 46 can be a bolt or pin provided between the two connecting plates 41, or it can be a metal block fixedly connected to the two connecting plates 41 respectively.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An arm force pad adjustment mechanism for a multi-position treatment bed, characterized in that: include: A bed body, wherein a headrest is provided on the bed body corresponding to the head position, and a vertically arranged fixing rod is provided below the headrest; Arm force pads, the arm force pads are arranged on both sides of the head pad; A connecting component, wherein the connecting component is sleeved on the fixing rod, and one end of the connecting component is fixedly connected to the arm force pad; when the arm force pad is not subjected to external force, the connecting component has a first part and a second part respectively abutting against the fixing rod, the first part abutting against the side of the fixing rod away from the arm force pad, the second part abutting against the side of the fixing rod close to the arm force pad, and the first part is higher than the second part; a limiter component is provided at the bottom end of the fixing rod to prevent the connecting component from moving downward; When the arm pad is not subjected to external force, the upper surface of the arm pad is in a horizontal state; and / or, when the height of the surface of the arm pad is consistent with the height of the surface of the head pad, the arm pad fits with the adjacent side of the head pad; and / or, the head pad has a hole for placing the head.

2. The arm force pad adjustment mechanism of the multi-position treatment bed according to claim 1 is characterized in that: The limiting assembly is configured as a protrusion disposed on the side surface of the bottom end of the fixing rod, and the number of the protrusions is at least two and the protrusions are distributed along the circumference of the fixing rod.

3. The arm force pad adjustment mechanism of the multi-position treatment bed according to claim 2 is characterized in that: The protrusion is located on a side of the fixing rod that is not in contact with the first portion or the second portion.

4. The arm force pad adjustment mechanism of the multi-position treatment bed according to claim 1 is characterized in that: The connecting assembly includes two connecting plates respectively arranged on opposite sides of the fixing rod, a first bolt is provided between the connecting plates on the side of the fixing rod away from the arm force pad for connection, and a second bolt is provided between the connecting plates on the side of the fixing rod close to the arm force pad for connection, the part of the first bolt located between the two connecting plates forms the first part, and the part of the second bolt located between the two connecting plates forms the second part.

5. The arm force pad adjustment mechanism of the multi-position treatment bed according to claim 4 is characterized in that: One end of the two connecting plates connected to the arm force pad is provided with a connecting transverse plate for connection.

6. The arm force pad adjustment mechanism of the multi-position treatment bed according to claim 4 is characterized in that: A positioning block is sleeved on the portion of the second bolt located between the two connecting plates.

7. The arm force pad adjustment mechanism of the multi-position treatment bed according to claim 6 is characterized in that: The shape of the side surface of the positioning block close to the fixing rod matches the side surface of the fixing rod.

8. The arm force pad adjustment mechanism of the multi-position treatment bed according to claim 1 is characterized in that: A third part is provided below the first part. When the arm force pad is not subjected to external force, there is a gap between the third part and the fixing rod, and the third part is not lower than the second part.

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