Sectional type decompression air cushion for sacrococcygeal region

Abstract

The utility model relates to the field of sacrococcygeal region air cushions, and particularly discloses a sacrococcygeal region sectional type pressure reduction air cushion which comprises a base, an air cushion and a ratchet wheel, at least one group of sliding grooves are formed in the upper surface of the base, the sliding grooves are arranged in a circumferential array mode, U-shaped partition plates are fixedly connected to the middles of the sliding grooves, sliding blocks are connected into the sliding grooves in a sliding fit mode, and the ratchet wheel is arranged on the upper surface of the air cushion. The upper surfaces of the sliding blocks are fixedly connected with air cushions, and a first circular groove is formed in the upper surface of the base. According to the utility model, the worm is rotated to drive the turbine to rotate, so that the ratchet wheel rotates synchronously, and the helical tooth surface at the edge of the ratchet wheel extrudes the roller to drive the ejector rod to move towards one end, thereby driving the slide block to move synchronously, and driving the air cushion to move synchronously through the slide block to adjust the air cushion to a position suitable for the sacrococcygeal size of a user; the arranged air cushion is a segmented decompression air cushion and is composed of different segments, a gap is formed between every two adjacent large segments to form a sunken part, the sunken parts are beneficial to blood circulation and ventilation, and therefore bedsores are effectively prevented from occurring.

Description

Technical Field

[0001] The utility model relates to the field of sacrococcygeal air cushions, in particular to a sacrococcygeal segmented decompression air cushion. Background Art

[0002] Due to long-term pressure on the sacrum and coccyx of patients in sitting or semi-recumbent positions for a long time, local bedsores will directly occur. Bedsores are a common problem in rehabilitation treatment and nursing. Clinically, a circular sacrum and coccyx decompression air cushion is usually placed under the patient's body to solve the long-term pressure on the patient to a certain extent.

[0003] However, most of the existing pressure-reducing air cushions are in the shape of a ring, which can easily lead to problems such as airtightness and poor local blood circulation, all of which can easily lead to bedsores. Therefore, patients have a poor user experience and the problem cannot be effectively solved. Utility Model Content

[0004] In view of the existing problems, the utility model provides a sacral and coccyx segmented decompression air cushion, which effectively solves the problems raised in the background technology.

[0005] In order to solve the above problems, the utility model adopts the following technical solutions:

[0006] A sacral and coccyx segmented decompression air cushion comprises a base, an air cushion and a ratchet. The upper surface of the base is provided with at least one group of slide grooves, the slide grooves are arranged in a circular array, the middle of the slide grooves are fixedly connected with U-shaped partitions, the inside of the slide grooves are slidably connected with sliders, and the upper surfaces of the sliders are fixedly connected with air cushions.

[0007] As a further solution of the utility model: a spring is fixedly connected to one side of the slider, and the other end of the spring is fixedly connected to the outer wall of the U-shaped partition; a push rod is fixedly connected to the middle part of one side of the slider, and the push rod is inside the spring and passes through the U-shaped partition; one end of the push rod is fixedly connected to a roller bracket, and a roller is rotatably connected inside the roller bracket.

[0008] As a further solution of the utility model: a first circular groove is provided on the upper surface of the base, a second circular groove is provided in the middle of the bottom of the first circular groove, a notch is provided on the wall of the second circular groove, the notch is connected to the first circular groove, an axial hole is provided in the middle of the lower surface of the base, the axial hole is connected to the second circular groove, and a limiting hole is provided on the outer wall of the base, and the limiting hole passes through the base and extends to the notch.

[0009] As a further solution of the utility model: a rotating shaft is rotatably connected inside the axial hole, a turbine is fixedly connected to the rotating shaft, the turbine is inside the second circular groove, a ratchet is fixedly connected to the upper surface of the turbine, the ratchet is inside the first circular groove, and the outer end of the ratchet is in contact with the outer side of each group of rollers.

[0010] As a further solution of the utility model: a worm is rotatably connected inside the limiting hole, the worm passes through the notch, and the worm is meshed with the turbine.

[0011] As a further solution of the utility model: a cover plate is connected to the middle part of the upper surface of the base by bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. In the utility model, the rotating worm drives the turbine to rotate, so that the ratchet wheel rotates synchronously, and the beveled tooth surface on its edge squeezes the roller to drive the push rod to move to one end, thereby driving the slider to move synchronously, and the slider drives the air cushion to move synchronously, so as to adjust the air cushion to a position suitable for the size of the user's sacrum and coccyx.

[0014] 2. The utility model provides a segmented decompression air cushion composed of different segments, with gaps between adjacent large segments forming recessed areas, which are beneficial to blood circulation and air permeability, thereby effectively preventing the occurrence of bedsores. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of a sacral and coccyx segmented decompression air cushion;

[0016] Figure 2 A schematic diagram of the internal structure of a sacral and coccyx segmented decompression air cushion;

[0017] Figure 3 It is a structural schematic diagram of a base in a sacral and coccyx segmented decompression air cushion;

[0018] Figure 4 It is a structural schematic diagram of a slider in a sacral and coccyx segmented decompression air cushion;

[0019] Figure 5 The diagram is a structural diagram of a ratchet in a sacral and coccyx segmented decompression air cushion.

[0020] In the figure: 1. base; 2. slide groove; 3. U-shaped partition; 4. first circular groove; 5. second circular groove; 6. notch; 7. shaft hole; 8. limit hole; 9. slider; 10. air cushion; 11. spring; 12. push rod; 13. roller bracket; 14. roller; 15. rotating shaft; 16. turbine; 17. ratchet; 18. worm; 101. cover plate. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figure 1-5 As shown, in the embodiment, a sacral and coccyx segmented decompression air cushion is provided, including a base 1, an air cushion 10 and a ratchet 17. At least one group of slide grooves 2 are provided on the upper surface of the base 1, and the slide grooves 2 are arranged in a circular array. A U-shaped partition 3 is fixedly connected to the middle of the slide groove 2, and a slider 9 is slidably connected inside the slide groove 2. The upper surface of the slider 9 is fixedly connected to the air cushion 10. The slider 9 slides inside the slide groove 2 to drive the air cushion 10 to move synchronously, so that it can be adjusted to a suitable position according to the size of the user's sacral and coccyx, thereby improving the user's comfort.

[0023] In this embodiment, a spring 11 is fixedly connected to one side of the slider 9, and the other end of the spring 11 is fixedly connected to the outer wall of the U-shaped partition 3. A push rod 12 is fixedly connected to the middle of one side of the slider 9, and the push rod 12 is inside the spring 11. The push rod 12 passes through the U-shaped partition 3, and one end of the push rod 12 is fixedly connected to a roller bracket 13, and a roller 14 is rotatably connected inside the roller bracket 13. The slider 9 is driven to slide by the push rod 12, causing the spring 11 to be stretched, and the slider 9 is reset by the rebound force generated by the stretched spring 11.

[0024] In this embodiment, a first circular groove 4 is provided on the upper surface of the base 1, a second circular groove 5 is provided in the middle of the bottom of the first circular groove 4, a notch 6 is provided on the groove wall of the second circular groove 5, and the notch 6 is communicated with the first circular groove 4; an axial hole 7 is provided in the middle of the lower surface of the base 1, and the axial hole 7 is communicated with the second circular groove 5; a limiting hole 8 is provided on the outer wall of the base 1, and the limiting hole 8 passes through the base 1 and extends to the notch 6; a rotating shaft 15 is rotatably connected inside the axial hole 7, and a turbine 16 is fixedly connected to the rotating shaft 15, and the turbine 16 is inside the second circular groove 5. A ratchet 17 is fixedly connected to the upper surface of the turbine 16, and the ratchet 17 is inside the first circular groove 4. The outer end of the ratchet 17 is fitted with the outer side of each group of rollers 14, and the position of the rotating shaft 15 is fixed through the axial hole 7. At the same time, the rotation of the rotating shaft 15 drives the turbine 16 and the ratchet 17 to rotate, and the roller 14 is squeezed by the bevel tooth surface on the edge of the ratchet 17, so that the push rod 12 is driven to move through the roller bracket 13, thereby driving the slider 9 to slide in the slide groove 2.

[0025] In this embodiment, a worm 18 is rotatably connected inside the limiting hole 8 , the worm 18 passes through the notch 6 , and the worm 18 is meshed with the turbine 16 . The turbine 16 connected thereto is rotated by rotating the worm 18 .

[0026] In this embodiment, a cover plate 101 is connected to the middle of the upper surface of the base 1 by bolts, and the cover plate 101 shields the internal structure to prevent dust from entering the interior and affecting its use.

[0027] The working principle of the utility model is as follows: when in use, the worm 18 is rotated to drive the turbine 16 to rotate, so that the ratchet 17 rotates synchronously, and the roller 14 is squeezed by the beveled tooth surface on the edge of the ratchet 17, so that the roller 14 drives the push rod 12 to move to one end, thereby driving the slider 9 to move synchronously and the spring 11 is stretched, and the slider 9 drives the air cushion 10 to move synchronously, and the air cushion 10 is adjusted to a position suitable for the size of the user's sacrum and coccyx. When resetting is required, the worm 18 is rotated in the opposite direction, and the slider 9 drives the air cushion 10 to reset under the action of the rebound force of the spring 11.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0029] 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 sacral and coccyx segmented decompression air cushion, comprising a base (1), an air cushion (10) and a ratchet (17), characterized in that: The upper surface of the base (1) is provided with at least one group of slide grooves (2), the slide grooves (2) are arranged in a circular array, the middle of the slide grooves (2) are fixedly connected to a U-shaped partition (3), the inside of the slide grooves (2) are slidably connected to a slider (9), and the upper surface of the slider (9) is fixedly connected to an air cushion (10).

2. A sacrococcygeal segmented decompression air cushion according to claim 1, characterized in that: A spring (11) is fixedly connected to one side of the slider (9), and the other end of the spring (11) is fixedly connected to the outer wall of the U-shaped partition (3). A push rod (12) is fixedly connected to the middle of one side of the slider (9), and the push rod (12) is inside the spring (11). The push rod (12) passes through the U-shaped partition (3), and one end of the push rod (12) is fixedly connected to a roller bracket (13), and a roller (14) is rotatably connected inside the roller bracket (13).

3. A sacrococcygeal segmented decompression air cushion according to claim 2, characterized in that: The upper surface of the base (1) is provided with a first circular groove (4), the middle of the bottom of the first circular groove (4) is provided with a second circular groove (5), the groove wall of the second circular groove (5) is provided with a notch (6), the notch (6) is communicated with the first circular groove (4), the middle of the lower surface of the base (1) is provided with an axial hole (7), the axial hole (7) is communicated with the second circular groove (5), and the outer wall of the base (1) is provided with a limiting hole (8), the limiting hole (8) passes through the base (1) and extends to the notch (6).

4. The sacral and coccyx segmented decompression air cushion according to claim 3, characterized in that: A rotating shaft (15) is rotatably connected inside the shaft hole (7), a turbine (16) is fixedly connected to the rotating shaft (15), the turbine (16) is inside the second circular groove (5), a ratchet (17) is fixedly connected to the upper surface of the turbine (16), the ratchet (17) is inside the first circular groove (4), and the outer end of the ratchet (17) is in contact with the outer side of each group of rollers (14).

5. The sacral and coccyx segmented decompression air cushion according to claim 4, characterized in that: A worm (18) is rotatably connected inside the limiting hole (8), the worm (18) passes through the notch (6), and the worm (18) is meshed with the turbine (16).

6. The sacrococcygeal segmented decompression air cushion according to claim 5, characterized in that: A cover plate (101) is connected to the middle portion of the upper surface of the base (1) via bolts.

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