Cervical traction instrument

Abstract

The utility model belongs to the technical field of medical equipment, and particularly relates to a cervical traction instrument. Comprising a pillow shell, a containing space is formed in the pillow shell, and a massage opening communicated to the containing space is formed in the top end of the pillow shell; the multiple movable pieces are movably installed in the containing space, the multiple movable pieces are longitudinally arranged and arranged at the massage opening, and the top ends of the movable pieces are downwards-concave curved surfaces; the cam assembly is arranged below the multiple movable pieces, and when the cam assembly rotates, a cam on the cam assembly drives the multiple movable pieces to move up and down at the massage opening according to a certain rule and is used for conducting massage traction on the cervical vertebra; and the motor is in transmission connection with the cam assembly and is used for driving the cam assembly to rotate. The cervical traction device can realize cervical traction clinical treatment, is small and portable, is convenient to use, and has the advantages of short treatment time, low cost and good treatment effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of medical equipment, and in particular relates to a cervical vertebra traction instrument. Background Art

[0002] Cervical spondylosis is a disease based on degenerative pathological changes of the intervertebral disc. With the change of lifestyle, the number of people who work with their heads down and at a desk for a long time has increased. The prevalence of cervical spondylosis has continued to rise in recent years, and the age of onset has tended to be younger. The occurrence of cervical spondylosis is closely related to the patient's occupation. For example, the incidence of accountants, office staff, typists, and copyists is significantly higher than that of other groups. The incidence of people who use laptops for a long time or play with their mobile phones with their heads down is also higher than that of other groups. Cervical spondylosis usually manifests itself as stiffness and pain in the neck and back, radiating pain in the upper limbs, and other symptoms, which bring inconvenience to the patient's work and life, and cervical traction therapy is required to relieve the discomfort.

[0003] At present, traditional cervical traction treatments mostly choose weighted traction, head suspension traction, wearing head and neck protective gear, sound, light, heat, electromagnetic, low-frequency electrical stimulation and other programs. Some of them have poor treatment effects, or are costly, or require queuing up at the hospital for registration, which is time-consuming.

[0004] Therefore, there is an urgent need for a cervical traction device that has short time consumption, low cost and good treatment effect. Utility Model Content

[0005] The utility model aims to provide a cervical traction instrument to address the deficiencies of the prior art. The cervical traction instrument can realize clinical cervical traction treatment, is compact and portable, and is easy to use. It has the advantages of short treatment time, low cost, and good treatment effect.

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

[0007] A cervical traction device, comprising:

[0008] A pillow shell, wherein a receiving space is formed in the pillow shell, and a massage port connected to the receiving space is formed at the top of the pillow shell;

[0009] A plurality of movable sheets movably mounted in the accommodation space, the plurality of movable sheets being longitudinally arranged and arranged at the massage opening, and the top ends of the movable sheets being concave curved surfaces;

[0010] A cam assembly is arranged below the plurality of movable sheets, and when the cam assembly rotates, the cam on the cam assembly drives the plurality of movable sheets to move up and down at the massage opening according to a certain rule, so as to massage and traction the cervical vertebra;

[0011] A motor drivingly connected to the cam assembly, wherein the motor is used to drive the cam assembly to rotate.

[0012] Furthermore, the cam assembly includes a rotating shaft and a plurality of cams sleeved on the rotating shaft, the number of the cams is the same as the number of the movable pieces, and each of the cams corresponds to one of the movable pieces.

[0013] Furthermore, the cam assembly also includes a transmission gear near one end of the rotating shaft, and the driving gear of the motor engages with the transmission gear to drive the cam assembly to rotate.

[0014] Furthermore, there are two cam assemblies in total, the motor is located between the two cam assemblies, and the driving gear of the motor is respectively engaged with the transmission gears of the two cam assemblies.

[0015] Furthermore, a pulley is provided below each movable sheet, and the pulley is in contact with the cam.

[0016] Furthermore, each movable sheet is provided with a slide bar at both ends, the movable sheet is movably connected to the slide bar, the slide bar is longitudinally arranged, and the movable sheet can move up and down along the slide bar.

[0017] Furthermore, a return spring is sleeved on the slide rod to make the movable sheet tend to approach the cam assembly.

[0018] Furthermore, the movable sheet includes a movable frame and a massage sheet arranged on the movable frame, the movable frame can be movably connected to the two sliding rods, and the massage sheet is arranged at the massage port.

[0019] Furthermore, it also includes a base installed in the accommodating space, the motor is fixed in the base, and the cam assembly is suspended on the base.

[0020] Furthermore, a concave curved surface is provided in the middle of the top of the pillow shell to form a supporting area for supporting the neck, and the massage port is opened in the middle of the supporting area.

[0021] Beneficial effects of the utility model:

[0022] The utility model provides a plurality of movable plates and a cam assembly under the movable plates. When the motor drives the cam assembly to rotate, the cam can make the movable plates move up and down at the massage opening on the pillow shell according to a certain rule, so as to realize dynamic massage traction of the cervical vertebra; the pulley is provided to abut against the cam, so as to avoid excessive friction between the cam and the movable plates; the two groups of cam assemblies and the slide rod are provided, so as to ensure the stability of the movable plates when they move up and down; the reset spring is provided, so that the movable plates will not shake easily; the concave curved surface is provided at the middle position of the top of the pillow shell to form a supporting area, so as to realize physiological traction when supporting the neck; the utility model can realize clinical traction treatment of the cervical vertebra, is compact and portable, and is easy to use, and has the advantages of short treatment time, low cost and good treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Attached Figure 1 It is a structural schematic diagram of a cervical traction apparatus of the utility model;

[0024] Attached Figure 2 It is a schematic diagram of the exploded structure of the cervical traction device of the utility model;

[0025] Attached Figure 3 It is a structural schematic diagram of the cam assembly and the motor of the utility model;

[0026] Attached Figure 4 It is a schematic diagram of the exploded structure of the movable sheet, the slide rod and the return spring of the utility model;

[0027] Markings in the figure: 1- pillow shell, 110- massage port, 120- supporting area; 2- movable plate, 210- movable frame, 220- massage plate, 230- pulley; 3- cam assembly, 310- cam, 320- rotating shaft, 330- transmission gear; 4- motor, 410- driving gear; 5- slide rod; 6- reset spring; 7- base. DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limiting the present invention.

[0029] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0031] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] See attached Figure 1 To Attachment Figure 4 , the figure shows a specific embodiment of a cervical traction device provided by the utility model.

[0033] See attached Figure 1 and attached Figure 2 , cervical traction device includes:

[0034] A pillow shell 1, wherein a receiving space is formed in the pillow shell 1, and a massage port 110 connected to the receiving space is formed at the top of the pillow shell 1;

[0035] A plurality of movable sheets 2 are movably mounted in the accommodation space, the plurality of movable sheets 2 are longitudinally arranged and arranged at the massage opening 110, and the top of the movable sheet 2 is a concave curved surface;

[0036] A cam assembly 3 is arranged below the plurality of movable sheets 2. When the cam assembly 3 rotates, a cam 310 on the cam assembly 3 drives the plurality of movable sheets 2 to move up and down at the massage opening 110 according to a certain rule, so as to massage and traction the cervical vertebrae;

[0037] The motor 4 is transmission-connected to the cam assembly 3 , and the motor 4 is used to drive the cam assembly 3 to rotate.

[0038] See attached Figure 2 In the above embodiment, the top of the movable sheet 2 is a concave surface to adapt to the physiological curvature of the neck. In this embodiment, the number of movable sheets 2 is 5, and a cam assembly 3 is arranged below the movable sheet 2, wherein when the cam assembly 3 rotates, the cam 310 lifts up or lowers the movable sheet 2. In order to achieve a massage traction effect, the cam 310 can be cylindrical, and its side surface can be set as a special wavy surface. Different positions of the wavy surface contact the movable sheet 2 so that the movable sheet 2 moves up and down according to a certain rule to achieve traction.

[0039] See attached Figure 2 In the above embodiment, the cam assembly 3 includes a rotating shaft 320 and a plurality of cams 310 sleeved on the rotating shaft 320. The number of cams 310 is the same as the number of movable pieces 2, and each cam 310 corresponds to one movable piece 2. In the embodiment, the number of movable pieces 2 is 5, and the cams 310 of the cam assembly 3 correspond to the bottom of each movable piece 2. When the cam assembly 3 rotates, each cam 310 rotates synchronously and lifts or puts down the movable piece 2. There is an angle difference between two adjacent cams 310 to ensure that the two adjacent cams 310 will not be lifted at the same time. In this embodiment, when working, the cam assembly 3 first lifts the middle movable piece 2, then lifts the two movable pieces 2 adjacent to the middle movable piece 2, then lifts the two outermost movable pieces 2, and finally puts down all the movable pieces 2 to complete a lifting process. Optionally, the number of movable pieces 2, the number of cam assemblies 3, and the number of motors 4 can be increased or decreased as needed.

[0040] See attached Figure 3 In the above embodiment, the cam assembly 3 further includes a transmission gear 330 near one end of the rotating shaft 320, and the driving gear 410 of the motor 4 engages with the transmission gear 330 to drive the cam assembly 3 to rotate. In the embodiment, the rotating shaft 320 can be fixed so that the cam 310 after the gear engagement transmission rotates on the rotating shaft 320, or a rotatable rotating shaft 320 is provided and the cam 310 is fixed on the rotating shaft 320, and the entire cam assembly 3 is driven to rotate through the transmission gear 330.

[0041] See attached Figure 2In the above embodiment, there are two cam assemblies 3, the motor 4 is located between the two cam assemblies 3, and the driving gear 410 of the motor 4 is respectively engaged with the transmission gears 330 of the two cam assemblies 3. In the embodiment, the motor 4 is arranged directly below the massage port 110, and the two cam assemblies 3 are respectively arranged on both sides of the motor 4 and are respectively engaged with the driving gear 410 of the motor 4. Since the motor 4 is located in the middle, the two cam assemblies 3 rotate in the same direction when rotating. The two cam assemblies 3 have the same structure and correspond to the left and right ends below the movable sheet 2, respectively, so that the movable sheet 2 moves more smoothly when moving up and down.

[0042] See attached Figure 4 In the above embodiment, a pulley 230 is further provided under each movable sheet 2, and the pulley 230 abuts against the cam 310. In the embodiment, since the movable sheet 2 is lifted up by the rotation of the cam assembly 3, the friction between the movable sheet 2 and the cam 310 is likely to cause wear and noise, affecting the service life and the use experience. In this embodiment, the pulley 230 is provided under the movable sheet 2. When the cam assembly 3 rotates, the cam 310 rubs against the pulley 230 to lift the movable sheet 2, so that the movement is smooth, the friction is reduced, and the noise is reduced.

[0043] See attached Figure 4 In the above embodiment, each movable sheet 2 is provided with a slide bar 5 at both ends, the movable sheet 2 is movably connected to the slide bar 5, the slide bar 5 is arranged longitudinally, and the movable sheet 2 can move up and down along the slide bar 5. In the embodiment, both ends of the movable sheet 2 are provided with through holes, and the left and right slide bars 5 pass through the through holes. The longitudinally arranged slide bars 5 limit the movable sheet 2 to only move up and down, so that the movable sheet 2 is more stable and smooth when moving, and the use experience is improved.

[0044] See attached Figure 4 In the above embodiment, a return spring 6 is also sleeved on the slide bar 5, so that the movable sheet 2 tends to approach the cam assembly 3. In the embodiment, the return spring 6 sleeved on the slide bar 5 is located above the movable sheet 2. When the movable sheet 2 is lifted up by the cam assembly 3 and moves upward, the return spring 6 is compressed. When the cam assembly 3 rotates to lower the movable sheet 2, the return spring 6 is released. The return spring 6 makes the movable sheet 2 tend to approach the cam assembly 3, that is, tend to be accommodated in the massage port 110, so that when the cervical traction instrument is carried, the movable sheet 2 is always in a state of being supported by the return spring 6 without making abnormal noise. On the other hand, when the cervical traction instrument is inverted, the movable sheet 2 will not accidentally fall out.

[0045] See attached Figure 4In the above embodiment, the movable sheet 2 includes a movable frame 210 and a massage sheet 220 disposed on the movable frame 210. The movable frame 210 is movably connected to the two slide bars 5, and the massage sheet 220 is arranged at the massage port 110. In the embodiment, when the cam 310 lifts the pulley 230, the movable frame 210 moves upward, and the massage sheet 220 located above the movable frame 210 is ejected from the massage port 110 to achieve traction massage of the cervical vertebra. The length of the massage sheet 220 is adapted to the width of the massage port 110. The lower part of the massage sheet 220 is fixed to the movable frame 210, and the width of the movable frame 210 is greater than the width of the massage port 110.

[0046] See attached Figure 1 In the above embodiment, a base 7 is also included which is installed in the accommodation space, the motor 4 is fixed in the base 7, and the cam assembly 3 is suspended on the base 7. In the embodiment, an opening for installing the base 7 is provided below the pillow shell 1, the motor 4 and the cam assembly 3 are installed on the base 7, and 10 slide bars 5 corresponding to the five movable pieces 2 are vertically fixed on the base 7, and then the movable pieces 2 are installed on the slide bars 5, so that each component and the base 7 form a structural whole, and finally installed in the accommodation space of the pillow shell 1 through the opening under the base 7.

[0047] See attached Figure 1 In the above embodiment, a concave curved surface is provided at the middle position of the top of the pillow shell 1 to form a supporting area 120 for supporting the neck, and the massage port 110 is opened at the middle position of the supporting area 120. In the embodiment, the top of the pillow shell 1 has convex structures on both sides and a concave structure in the middle, forming a curved surface for supporting the neck, achieving physiological traction, and preventing the head of the user who rests on it from swinging left and right, playing a positioning role. When working, the massage sheet 220 extends or retracts from the massage port 110 according to a certain rule to achieve traction massage of the cervical vertebra.

[0048] In summary, the present embodiment provides a cervical traction instrument, which provides a plurality of movable plates 2 and a cam assembly 3 under the movable plate 2. When the motor 4 drives the cam assembly 3 to rotate, the cam 310 can make the movable plate 2 move up and down at the massage port 110 on the pillow shell according to a certain rule, so as to realize dynamic massage traction of the cervical vertebra; by providing a pulley 230 to abut against the cam 310, excessive friction between the cam 310 and the movable plate 2 is avoided; by providing two groups of cam assemblies 3 and slide bars 5, the stability of the movable plate 2 when moving up and down is ensured; by providing a reset spring 6, the movable plate will not shake easily; by providing a concave curved surface in the middle position of the top of the pillow shell 1 to form a supporting area 120, physiological traction is realized when supporting the neck; the present embodiment can realize clinical cervical traction treatment, is compact and portable, and is easy to use, and has the advantages of short treatment time, low cost, and good treatment effect.

[0049] The embodiment described above is only one of the more preferred specific embodiments of the present invention. Common changes and substitutions made by technicians in this field within the technical solution of the present invention should be included in the protection scope of the present invention.

Claims

1. A cervical traction device, characterized in that: include: A pillow shell (1), wherein a receiving space is formed inside the pillow shell (1), and a massage port (110) connected to the receiving space is formed at the top end of the pillow shell (1); A plurality of movable sheets (2) movably mounted in the accommodation space, the plurality of movable sheets (2) being arranged longitudinally and arranged at the massage opening (110), the top ends of the movable sheets (2) being concave curved surfaces; A cam assembly (3) is arranged below the plurality of movable sheets (2), and when the cam assembly (3) rotates, the cam (310) on the cam assembly (3) drives the plurality of movable sheets (2) to move up and down at the massage opening (110) according to a certain pattern, so as to massage and traction the cervical vertebrae; A motor (4) drivingly connected to the cam assembly (3), the motor (4) being used to drive the cam assembly (3) to rotate.

2. A cervical traction device according to claim 1, characterized in that: The cam assembly (3) comprises a rotating shaft (320) and a plurality of cams (310) sleeved on the rotating shaft (320); the number of the cams (310) is the same as the number of the movable plates (2); and each of the cams (310) corresponds to one of the movable plates (2).

3. A cervical traction device according to claim 2, characterized in that: The cam assembly (3) further comprises a transmission gear (330) close to one end of the rotating shaft (320), and the driving gear (410) of the motor (4) engages with the transmission gear (330) to drive the cam assembly (3) to rotate.

4. A cervical traction device according to claim 3, characterized in that: There are two cam assemblies (3) in total, the motor (4) is located between the two cam assemblies (3), and the driving gear (410) of the motor (4) is respectively engaged with the transmission gears (330) of the two cam assemblies (3).

5. A cervical traction device according to any one of claims 1 to 4, characterized in that: A pulley (230) is also provided below each movable sheet (2), and the pulley (230) is in contact with the cam (310).

6. A cervical traction device according to any one of claims 1 to 4, characterized in that: Each movable sheet (2) has a slide bar (5) at both ends. The movable sheet (2) is movably connected to the slide bar (5). The slide bar (5) is arranged longitudinally. The movable sheet (2) can move up and down along the slide bar (5).

7. A cervical traction device according to claim 6, characterized in that: The slide bar (5) is also sleeved with a return spring (6) to cause the movable sheet (2) to tend to approach the cam assembly (3).

8. A cervical traction device according to claim 7, characterized in that: The movable sheet (2) comprises a movable frame (210) and a massage sheet (220) arranged on the movable frame (210); the movable frame (210) is movably connected to the two sliding rods (5); and the massage sheet (220) is arranged at the massage opening (110).

9. The cervical traction device according to claim 1, characterized in that: It also includes a base (7) installed in the accommodating space, the motor (4) is fixed in the base (7), and the cam assembly (3) is suspended on the base (7).

10. The cervical traction device according to claim 1, characterized in that: A concave curved surface is provided at the middle position of the top of the pillow shell (1) to form a supporting area (120) for supporting the neck, and the massage port (110) is provided at the middle position of the supporting area (120).

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