Lumbar traction seat capable of relieving back pain

Abstract

The utility model discloses a lumbar traction seat for relieving back pain, which relates to the technical field of medical instruments and comprises a seat plate, a backrest component is arranged on the side wall of the seat plate and comprises a backrest plate hinged to the side wall of the seat plate through a hinge, and a hydraulic rod is connected to the upper end of a hydraulic cylinder hinged to the side wall of the seat plate through a hinge. The upper end of the hydraulic rod is hinged to the side wall of the backrest plate through a hinge, and a connecting plate is arranged on the upper surface of the backrest plate; a traction assembly is arranged on the side wall of the backrest plate and comprises supports which are symmetrically and rotationally connected to the peripheral side wall of a lead screw. According to the lumbar vertebra traction device, the posture during lumbar vertebra traction can be conveniently adjusted according to needs of a patient, practicability is improved, the traction assembly is arranged, traction force during lumbar vertebra traction can be conveniently adjusted according to the needs of the patient, strain of the patient is effectively avoided, and safety during use is improved; in addition, the lumbar traction seat can be suitable for hospitals or families and is wide in application range.

Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, and in particular relates to a lumbar traction chair for relieving back pain. Background Technology

[0002] Lumbar traction refers to the application of traction and counter-traction forces to the lumbar spine, using traction in opposite directions to treat lumbar disc herniation. Patients undergoing lumbar traction use a lumbar traction belt, which is a medical device. The lumbar traction belt mainly consists of hooks, connecting straps, and the traction belt itself. During use, the hooks can be hung directly on a door for home lumbar traction without damaging the door, or it can be hung on a horizontal bar in the community.

[0003] However, it still has the following drawbacks in practical use:

[0004] 1. Existing lumbar traction belts are not convenient for patients to sit or lie down to perform lumbar traction according to their needs, which reduces the patient's discomfort during lumbar traction and reduces their practicality.

[0005] 2. Existing lumbar traction belts are not convenient to adjust the traction force according to the patient's needs during use, and may even cause lumbar strain due to excessive traction force, thus reducing the safety of use.

[0006] Therefore, we provide a lumbar traction chair to relieve lower back pain and solve the problems mentioned above. Utility Model Content

[0007] The purpose of this utility model is to provide a lumbar traction chair for relieving lower back pain. By setting a backrest component, it is convenient for patients to choose the posture for lumbar traction according to their own needs, thus improving its practicality. Furthermore, by setting a traction component, it is convenient for patients to adjust the magnitude of the traction force according to their own needs, thereby achieving lumbar spine migration and solving the technical problems mentioned in the background art of existing lumbar traction belts.

[0008] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0009] This utility model relates to a lumbar traction chair for relieving lower back pain, comprising a seat plate, a backrest assembly mounted on the side wall of the seat plate, the backrest assembly including a backrest panel hinged to the side wall of the seat plate, a hydraulic cylinder hinged to the side wall of the seat plate with a hydraulic rod connected to its upper end, the upper end of the hydraulic rod hinged to the side wall of the backrest panel, a connecting plate mounted on the upper surface of the backrest panel, and a traction assembly mounted on the side wall of the backrest panel, the traction assembly including supports symmetrically rotatably connected to the circumferential side wall of a lead screw. The support is connected to the side wall of the backrest. Ball nuts are symmetrically arranged on the peripheral side wall of the lead screw. A sleeve is provided on the peripheral side wall of the ball nuts. A connecting column is hinged to the upper surface of the sleeve. The upper end of the connecting column is hinged to the lower surface of the connecting plate. A driven wheel is sleeved on the peripheral side wall of the lead screw. A driving wheel is connected to the lower part of the driven wheel through a transmission belt. The end of the rotating shaft sleeved inside the driving wheel is connected to a motor. The base connected to the side wall of the motor is connected to the side wall of the backrest.

[0010] The present invention is further configured such that the lower surface of the seat plate is connected with legs in a rectangular array, and the lower end of the legs is connected with a self-locking universal wheel.

[0011] The present invention is further configured such that an upper binding strap and a lower binding strap are connected to both sides of the upper surface of the seat plate, a male Velcro strap is provided on the lower surface of the upper binding strap, and a female Velcro strap is provided on the upper surface of the lower binding strap.

[0012] The present invention is further configured such that symmetrical slots are provided on the upper surface of the backrest, and a shock-absorbing spring is sleeved on the peripheral wall of the damper connected to the inner bottom of the slot.

[0013] The present invention is further configured such that a movable shaft is inserted inside the slot, and the upper end of the movable shaft is connected to the lower surface of the connecting plate.

[0014] The present invention is further configured such that the handrails connected symmetrically on one side wall of the connecting plate are in a T-shape, and the ends of the handrails away from the connecting plate are connected to anti-slip seats.

[0015] The present invention is further configured such that hooks are connected at equal intervals on the other side wall of the connecting plate, and the two ends of the traction belt body provided below the connecting plate are provided with connecting belts, and the upper end of the connecting belt is provided with a hook that is attached to the hook.

[0016] The present invention is further configured such that the slider connected to the side wall of the sleeve is T-shaped, the guide rail connected to the side wall of the backrest is T-shaped, and the slider is slidably connected inside the guide rail.

[0017] This utility model has the following beneficial effects:

[0018] 1. This utility model, by setting up a backrest assembly, allows the operator to activate the hydraulic cylinder, extend the hydraulic rod, and gradually bring the backrest plate parallel to the seat plate, making it convenient for the patient to lie on the seat plate and backrest plate for lumbar traction. When the hydraulic rod retracts, the backrest plate gradually becomes perpendicular to the seat plate, making it convenient for the patient to sit on the seat plate for lumbar traction. This allows the patient to choose the posture for lumbar traction according to their own needs, thus improving practicality.

[0019] 2. This utility model, by setting up a traction component, starts the motor, the shaft rotates, the driving wheel rotates, and the driven wheel rotates through the transmission belt. When the two ball nuts move in opposite directions, the connecting column moves, lifting the connecting plate upward, the hook moves upward, and the hook, connecting belt, and traction belt body all move upward, increasing the traction force and providing lumbar traction for the patient. When the two ball nuts move in opposite directions, the traction belt body moves downward, decreasing the traction force. This allows for easy adjustment of the traction force according to the patient's needs, avoiding lumbar strain caused by excessive traction force, improving safety during use, and achieving the goal of relieving back pain for the patient. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below.

[0021] Figure 1 A 3D illustration of a lumbar traction chair for relieving lower back pain. Figure 1 ;

[0022] Figure 2 for Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0023] Figure 3 for Figure 1 Enlarged schematic diagram of the structure at point B;

[0024] Figure 4 for Figure 1 Enlarged schematic diagram of the structure at point C;

[0025] Figure 5 A 3D illustration of a lumbar traction chair for relieving lower back pain. Figure 2 ;

[0026] Figure 6 for Figure 5 Enlarged schematic diagram of the structure at point D;

[0027] Figure 7 This is an exploded view of the backrest panel, connecting plate, movable shaft, damper, and shock-absorbing spring.

[0028] The attached diagram lists the components represented by each number as follows:

[0029] 1-Seat plate, 101-Feet, 101a-Self-locking casters, 102-Upper restraint strap, 102a-Male Velcro strap, 103-Lower restraint strap, 103a-Female Velcro strap, 2-Backrest assembly, 201-Backrest panel, 201a-Groove, 202-Hinge, 203-Hydraulic cylinder, 203a-Hydraulic rod, 204-Armrest, 204a-Anti-slip seat, 205-Connecting plate, 205a-Hook, 205b-Moving shaft, 206- Damper, 206a-Shock-absorbing spring, 3-Traction assembly, 301-Screw, 301a-Support, 301b-Ball nut, 301c-Sleeve, 301d-Slider, 302-Connecting column, 303-Guide rail, 304-Transmission belt, 304a-Driven pulley, 304b-Driving pulley, 305-Motor, 305a-Shaft, 305b-Base, 306-Traction belt body, 306a-Connecting belt, 306b-Hook. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0031] Example 1

[0032] Please see Figure 1 , Figure 5 and Figure 6 This utility model is a lumbar traction chair for relieving lower back pain, including a seat 1, a support leg 101, a self-locking caster wheel 101a, an upper restraint strap 102, a male Velcro strap 102a, a lower restraint strap 103 and a female Velcro strap 103a. The self-locking caster wheel 101a is provided to facilitate medical staff to adjust the position of the seat 1. The upper restraint strap 102 and the lower restraint strap 103 are used to bind the lower part of the patient sitting on the seat 1, thereby preventing the patient from standing up during lumbar traction, which is beneficial for the patient to perform lumbar traction.

[0033] Specifically, a support leg 101 is connected to the lower surface of the seat plate 1, a self-locking universal wheel 101a is connected to the lower end face of the support leg 101, one end of the upper restraint strap 102 is connected to the upper surface of the seat plate 1, and a Velcro male 102a is provided on the lower surface of the upper restraint strap 102, and one end of the lower restraint strap 103 is connected to the upper surface of the seat plate 1, and a Velcro female 103a is provided on the upper surface of the lower restraint strap 103.

[0034] Furthermore, the four legs 101 are arranged in a rectangular array, and the upper restraint strap 102 and the lower restraint strap 103 are arranged symmetrically.

[0035] The operation process of this embodiment is as follows: Medical staff apply external force to the seat board 1, the self-locking caster 101a moves, and after the seat board 1 is moved to the working position, the brake on the self-locking caster 101a is engaged. The patient sits on the seat board 1, the lower restraint strap 103 is placed on the patient's legs, and the upper restraint strap 102 is placed above the lower restraint strap 103, so that the male Velcro strap 102a and the female Velcro strap 103a are connected to bind the lower part of the patient sitting on the seat board 1; conversely, the binding of the upper restraint strap 102 and the lower restraint strap 103 on the lower part of the patient is released.

[0036] Example 2

[0037] Please see Figure 1 , Figure 4 , Figure 5 and Figure 7 Based on the first specific embodiment, a backrest assembly 2 is provided. The backrest assembly 2 includes a backrest plate 201, a hinge 202, a hydraulic cylinder 203, a hydraulic rod 203a, an armrest 204, an anti-slip seat 204a, a connecting plate 205, a hook 205a, a movable shaft 205b, a damper 206, and a shock-absorbing spring 206a. By controlling the hydraulic cylinder 203, the hydraulic rod 203a extends or retracts, thereby adjusting the angle between the backrest plate 201 and the seat plate 1, so that the patient can perform lumbar traction in different postures. This allows the patient to choose the lumbar traction method according to their own needs, thus improving practicality.

[0038] Specifically, a groove 201a is formed on the upper surface of the backrest 201. A damper 206 is connected to the bottom of the groove 201a. A shock-absorbing spring 206a is sleeved on the peripheral side wall of the damper 206. The lower part of the backrest 201 is hinged to the side wall of the seat plate 1 via a hinge 202. A connecting plate 205 is provided above the backrest 201. A movable shaft 205b is connected to the lower surface of the connecting plate 205. The movable shaft 205b is inserted into the groove 201a. Inside 01a, the lower end of the hydraulic cylinder 203 is hinged to the side wall of the seat plate 1 via a hinge 202, and the upper end of the hydraulic cylinder 203 is connected to a hydraulic rod 203a. The upper end of the hydraulic rod 203a is hinged to the side wall of the backrest plate 201 via a hinge 202. An armrest 204 is connected to one side wall of the connecting plate 205, and an anti-slip seat 204a is connected to the end of the armrest 204. A hook 205a is connected to the other side wall of the connecting plate 205.

[0039] Furthermore, the two slots 201a are symmetrically opened, the two hydraulic cylinders 203 are symmetrically arranged, the two handrails 204 are symmetrically arranged, the hooks 205a are equally spaced, and the two movable shafts 205b are symmetrically arranged.

[0040] The operation process of this embodiment is as follows: The operator starts the hydraulic cylinder 203. When the hydraulic rod 203a extends, the backrest 201 moves in an arc with the hinge 202 as the fixed point. The backrest 201 gradually becomes parallel to the seat board 1 until the anti-slip seat 204a contacts the ground, so that the patient sitting on the seat board 1 lies flat, and the patient's feet are still in contact with the ground. When the hydraulic rod 203a retracts, the backrest 201 gradually becomes perpendicular to the seat board 1, so that the patient lying flat sits on the seat board 1.

[0041] Example 3

[0042] Please see Figure 1 , Figure 2 and Figure 3 Based on specific embodiments one and two, a traction assembly 3 is provided. The traction assembly 3 includes a lead screw 301, a support 301a, a ball nut 301b, a sleeve 301c, a slider 301d, a connecting column 302, a guide rail 303, a transmission belt 304, a driven wheel 304a, a driving wheel 304b, a motor 305, a rotating shaft 305a, a base 305b, a traction belt body 306, a connecting belt 306a, and a belt hook 306b. By controlling the motor 305, the distance between the two sleeves 301c is adjusted, thereby adjusting the position of the connecting column 302, and thus adjusting the position of the traction belt body 306 and the connecting belt 306a, thereby realizing the lumbar traction operation for the patient.

[0043] Specifically, support 301a is rotatably connected to the peripheral wall of lead screw 301 and is also connected to the side wall of backrest plate 201. Ball nut 301b is disposed on the peripheral wall of lead screw 301, and sleeve 301c is disposed on the peripheral wall of ball nut 301b. Slider 301d is connected to the side wall of sleeve 301c. Guide rail 303 is connected to the side wall of backrest plate 201. Slider 301d is slidably connected to the inside of guide rail 303. Connecting post 302 is hinged to the upper surface of sleeve 301c via hinge 202. The upper end of connecting post 302 is hinged to the lower part of connecting plate 205 via hinge 202. On the surface, a motor 305 is provided below the lead screw 301. The base 305b connected to the side wall of the motor 305 is connected to the side wall of the backrest 201. A rotating shaft 305a is connected to the end face of the motor 305. A drive wheel 304b is sleeved on the peripheral side wall of the rotating shaft 305a. A driven wheel 304a is provided above the drive wheel 304b and sleeved on the peripheral side wall of the lead screw 301. The drive wheel 304b is connected to the driven wheel 304a through a transmission belt 304. Connecting belts 306a are provided at both ends of the traction belt body 306. The belt hooks 306b provided at the ends of the connecting belts 306a are hung on the hooks 205a.

[0044] Furthermore, the two supports 301a are symmetrically arranged, the two ball nuts 301b are symmetrically arranged, the slider 301d is T-shaped, the guide rail 303 is T-shaped, and the two connecting belts 306a are symmetrically arranged.

[0045] The operation process of this embodiment is as follows: When the patient is sitting or lying down, the traction belt body 306 is placed behind the back, and the connecting belt 306a is held with both hands. The medical staff starts the motor 305, the rotating shaft 305a rotates, the driving wheel 304b rotates, and the driven wheel 304a rotates through the transmission belt 304. The lead screw 301 rotates, the two ball nuts 301b move in opposite directions, the connecting column 302 lifts the connecting plate 205, the movable shaft 205b moves upward, the hook 205a moves upward, the belt hook 306b moves upward, and the connecting belt 306a moves upward to perform lumbar traction on the patient; when the two ball nuts 301b move in opposite directions, the belt hook 306b moves downward.

[0046] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

Claims

1. A lumbar traction seat for relieving back pain, comprising a seat plate (1), characterized in that: The side wall of the seat plate (1) is provided with a backrest assembly (2), the backrest assembly (2) comprises a backrest plate (201) hinged to the side wall of the seat plate (1) through a hinge (202), the upper end of a hydraulic cylinder (203) hinged to the side wall of the seat plate (1) through the hinge (202) is connected with a hydraulic rod (203a), the upper end of the hydraulic rod (203a) is hinged to the side wall of the backrest plate (201) through the hinge (202), and the upper surface of the backrest plate (201) is provided with a connecting plate (205). The side wall of the backrest plate (201) is provided with a traction assembly (3), the traction assembly (3) comprises a support (301a) symmetrically and rotatably connected to the peripheral side wall of a lead screw (301), the support (301a) is connected to the side wall of the backrest plate (201), the peripheral side wall of the lead screw (301) is symmetrically provided with a ball nut (301b), the peripheral side wall of the ball nut (301b) is provided with a sleeve seat (301c), the upper surface of the sleeve seat (301c) is hinged with a connecting column (302) through a hinge (202), the upper end of the connecting column (302) is hinged to the lower surface of the connecting plate (205) through the hinge (202), the peripheral side wall of the lead screw (301) is sleeved with a driven wheel (304a), the lower side of the driven wheel (304a) is drivingly connected with a driving wheel (304b) through a transmission belt (304), the end of a rotating shaft (305a) sleeved in the driving wheel (304b) is connected with a motor (305), and the side wall of the motor (305) is connected with a motor base (305b) connected to the side wall of the backrest plate (201).

2. The lumbar traction seat for alleviating low back pain according to claim 1, wherein: The lower end of the support leg (101) is connected with a self-locking universal wheel (101a).

3. The lumbar traction seat of claim 2, wherein: The upper surface of the seat plate (1) is connected with an upper binding belt (102) and a lower binding belt (103) on both sides, the lower surface of the upper binding belt (102) is provided with a magic male fastener (102a), and the upper surface of the lower binding belt (103) is provided with a magic female fastener (103a).

4. The lumbar traction seat of claim 1, wherein: The upper surface of the backrest plate (201) is symmetrically provided with a hole groove (201a), and the peripheral side wall of a damper (206) connected to the inner bottom of the hole groove (201a) is sleeved with a shock absorbing spring (206a).

5. The lumbar traction seat of claim 4, wherein: The hole groove (201a) is internally provided with a movable shaft (205b), and the upper end of the movable shaft (205b) is connected to the lower surface of the connecting plate (205).

6. The lumbar traction seat of claim 5, wherein: The side wall of the connecting plate (205) is symmetrically connected with a T-shaped handrail (204), and the end of the handrail (204) away from the connecting plate (205) is connected with an anti-skid seat (204a).

7. The lumbar traction seat of claim 6, wherein: The other side wall of the connecting plate (205) is connected with hooks (205a) at equal intervals, both ends of a traction belt body (306) arranged below the connecting plate (205) are provided with connecting belts (306a), and the upper ends of the connecting belts (306a) are provided with belt hooks (306b) for being hung on the hooks (205a).

8. The lumbar traction seat of claim 1, wherein: The side wall of the sleeve base (301c) is connected with a T-shaped sliding block (301d), the side wall of the backrest plate (201) is connected with a T-shaped guide rail (303), and the sliding block (301d) is slidingly connected in the guide rail (303).

Images