Traction training chair and traction equipment
By designing a stretch training chair that includes a seat board, a swing component, a first fixed component and a traction component, the problems of the lack of specialized equipment and inconsistent traction directions in the existing technology are solved, and the accuracy of knee joint stretching training is achieved. and efficiency.
Patent Information
- Application Number
- CN202420842470.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-01-21
- Estimated Expiration
- 2034-04-23
AI Technical Summary
There is a lack of equipment specifically used for knee drawing training in the prior art, which makes it impossible to ensure that the pulling direction is the same as the knee movement direction, affecting the traction effect, and requires real-time guidance from medical staff, reducing treatment efficiency.
A pulling training chair is designed, which includes a seat plate, a swing component, a first fixed component and a traction component. Through the design of the swing axis and the swing component, it is ensured that the traction force of the traction rope coincides with the swing direction of the swing component to achieve accurate stretching training of the knee joint.
This device can ensure that the direction of the traction force is always the same as the natural swing direction of the patient's calf, improving the accuracy and efficiency of stretching training and reducing the work intensity of medical staff.
Smart Images
Figure CN222367960U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical instruments, in particular to a stretching training chair and stretching equipment. Background Art
[0002] When patients with knee joint injuries are undergoing rehabilitation training with the help of rehabilitation training equipment, they can use their hands to operate the rehabilitation training equipment to force their knee joints to passively bend to achieve the training goal. They can also actively bend their legs to achieve the training goal without the help of their hands.
[0003] In order to improve the treatment effect, joint stretching technology is mainly used to train patients with limited knee flexion, but there is currently no equipment specifically for stretching. The current common method is for the patient to sit on the edge of the bed or on a chair, with one side of the traction rope tied to the patient's ankle joint and the other side tied to a weight plate for stretching. However, during the stretching process, as the patient's knee flexion angle increases, the traction rope cannot ensure that the traction direction is the same as the direction of knee joint movement, which affects the traction effect; and when the patient is doing stretching training, medical staff are often required to provide real-time guidance and assistance to avoid the patient's movement deformation affecting the treatment effect, which is not conducive to improving the patient's treatment efficiency. Utility Model Content
[0004] In view of this, the purpose of the present invention is to overcome the deficiencies in the related art. The present invention provides a stretching training chair and a stretching device.
[0005] The utility model provides the following technical solutions:
[0006] A stretching training chair is used for stretching training of patients, comprising:
[0007] A seat board, wherein a support frame is provided at the lower end of the seat board; swing seats are symmetrically provided on both sides of the seat board, and a swing shaft is provided on the swing seat, and the swing shaft is higher than the upper plane of the seat board, and when the patient sits on the seat board, the node of the patient's knee joint can coincide with the axis of the swing shaft;
[0008] A swing assembly, the swing assembly being hingedly mounted on the swing shaft;
[0009] A first fixing component is disposed on the swinging component, and the first fixing component can fix the patient's lower leg on the swinging component;
[0010] A traction assembly is mounted on the seat plate, the traction assembly comprises a traction rope and a counterweight, and two ends of the traction rope are respectively connected to the swing assembly and the counterweight;
[0011] The counterweight moves downward under the action of gravity, which can pull the traction rope to move, thereby driving the swing assembly to swing relative to the swing shaft.
[0012] As a further improvement of the above technical solution, the traction assembly also includes a vertical support plate, a first fixed pulley, and a second fixed pulley. The vertical support plate is installed on the upper end of the seat plate, the first fixed pulley is arranged on the lower bottom surface of the seat plate, and the second fixed pulley is arranged on the seat plate. The traction rope is sequentially passed through the first fixed pulley and the second fixed pulley, and the counterweight is arranged at the end of the traction rope close to the second fixed pulley.
[0013] As a further improvement of the above technical solution, the counterweight member includes a lifting rod and a counterweight block. There are multiple counterweight blocks, all of which are installed on the lifting rod. The lifting rod is connected to the traction rope.
[0014] As a further improvement of the above technical solution, a guide seat is provided on the end face of the vertical support plate close to the counterweight, and a guide hole corresponding to the traction rope is provided on the guide seat, and the traction rope between the second fixed pulley and the counterweight is passed through the guide hole.
[0015] As a further improvement of the above technical solution, the guide seat is also provided with a locking buckle corresponding to the traction rope, the traction rope is passed through the locking buckle, and the locking buckle is passed through a locking rod by threaded cooperation. The locking rod can pass through the locking buckle and press the traction rope against the side wall of the guide seat.
[0016] As a further improvement of the above technical solution, a seat back is further provided on the seat board, and the seat back is arranged parallel to the vertical support board.
[0017] As a further improvement of the above technical solution, the reclining surface of the chair back and the upper end surface of the seat board are both provided with cushioning pads.
[0018] As a further improvement of the above technical solution, a guide groove corresponding to the chair back is horizontally provided on the side of the seat plate where the swing seat is located, and a protrusion is provided on the chair back, and the protrusion is passed through the guide groove. A push rod is passed through the vertical support plate through threaded cooperation, and the push rod can pass through the vertical support plate and push the chair back, and a traction spring is provided between the chair back and the vertical support plate.
[0019] As a further improvement of the above technical solution, the swing assembly includes a swing tube and a swing rod, the swing rod is inserted into the swing tube, a plurality of first adjustment holes are provided on the swing rod, a first pin is inserted into the swing tube, and the first pin is inserted into the first adjustment hole while being inserted into the swing tube; the swing tube is hingedly mounted on the swing shaft, and the first fixing assembly is arranged on the swing rod.
[0020] As a further improvement of the above technical solution, the support frame is composed of a plurality of support legs that can be raised and lowered and adjusted.
[0021] As a further improvement of the above technical solution, the support leg includes a support tube and a support rod. The support tube is fixedly connected to the lower end of the seat plate, the support rod is passed through the support tube, a plurality of second adjustment holes are provided on the support rod, a second pin shaft is passed through the support tube, and the second pin shaft is passed through the support tube and simultaneously passed through the second adjustment hole.
[0022] As a further improvement of the above technical solution, a second fixing component is provided on the seat board to limit and fix the patient's thigh.
[0023] As a further improvement of the above technical solution, the first fixing component and the second fixing component both include binding belts, and two free ends of the binding belts are respectively provided with Velcro.
[0024] The present invention also provides a stretching device, comprising a stretching training chair as described in any one of the above.
[0025] Compared with the related art, the beneficial effects of the utility model are:
[0026] The traction training chair provided by the utility model, when in use, first allows the patient to sit on the seat board, and then moves the patient's knee joint to a position that coincides with the axis of the swing shaft, and at this time uses the first fixing component to fix the patient's calf on the swing component; after the preparation work is completed, the end of the traction rope away from the swing component is hung with a counterweight, and the counterweight uses the traction rope under the action of its own gravity to pull the swing component to drive it to swing relative to the swing shaft, thereby driving the patient's calf to move to perform knee flexion and stretch training on the patient's knee joint, and after the patient bends his knee to the extreme position, the leg can exert force to resist the traction force of the counterweight to restore it to the initial position. During the above-mentioned entire action process, the traction force provided by the traction rope to the swing component coincides with the tangential swing direction of the swing component, that is, the direction of the traction force is always the same as the natural swing direction of the patient's calf, which is convenient for ensuring the accuracy of the patient's stretching training action, ensuring the training effect, and improving the training efficiency.
[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0029] Figure 1 A schematic structural diagram of a traction training chair from one perspective in one embodiment of the utility model is shown;
[0030] Figure 2 Another perspective structural schematic diagram of a traction training chair in one embodiment of the utility model is shown.
[0031] Description of main component symbols:
[0032] 100-seat plate; 101-guide groove; 110-swing seat; 120-swing shaft; 130-seat back; 200-support frame; 210-support tube; 220-support rod; 221-second pin shaft; 222-second adjustment hole; 300-swing assembly; 310-swing tube; 320-swing rod; 321-first pin shaft; 322-first adjustment hole; 410-first fixed assembly; 420-second fixed assembly; 500-traction assembly; 510-traction rope; 520-counterweight; 530-vertical support plate; 531-thrust rod; 532-traction spring; 540-first fixed pulley; 550-second fixed pulley; 560-guide seat; 570-locking buckle; 571-locking rod. DETAILED DESCRIPTION
[0033] 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 only used to explain the present invention, and cannot be understood as limiting the present invention.
[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships 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 referred device or element 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.
[0035] 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.
[0036] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" 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.
[0037] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0038] Example 1
[0039] like Figure 1 As shown, this embodiment provides a stretching training chair for performing stretching training on patients, including a seat 100, a swing assembly 300, a first fixing assembly 410, and a traction assembly 500.
[0040] The lower end of the seat 100 is provided with a support frame 200; swing seats 110 are symmetrically provided on both sides of the seat 100, and a swing shaft 120 is provided on the swing seat 110, and the swing shaft 120 is higher than the upper plane of the seat 100. When the patient sits on the seat 100, the node of the patient's knee joint can coincide with the axis of the swing shaft 120; the swing assembly 300 is hingedly mounted on the swing shaft 120; the first fixing assembly 410 is arranged on the swing assembly 300, and the first fixing assembly 410 is arranged on the first fixing assembly 410. A fixing assembly 410 can fix the patient's calf on the swing assembly 300; the traction assembly 500 is installed on the seat 100, and the traction assembly 500 includes a traction rope 510 and a counterweight 520, and the two ends of the traction rope 510 are respectively connected to the swing assembly 300 and the counterweight 520; the counterweight 520 moves downward under the action of gravity and can pull the traction rope 510 to move, thereby driving the swing assembly 300 to swing relative to the swing shaft 120.
[0041] When using the traction training chair provided in this embodiment, the patient is first allowed to sit on the seat 100, and then the patient's knee joint is moved to a position that coincides with the axis of the swing shaft 120. At this time, the patient's calf is fixedly mounted on the swing assembly 300 using the first fixing assembly 410.
[0042] After the preparation work is completed, the end of the traction rope 510 away from the swing component 300 is hung with the counterweight 520. Under the action of its own gravity, the counterweight 520 uses the traction rope 510 to pull the swing component 300 to make it swing relative to the swing axis 120, thereby driving the patient's calf to move and perform knee flexion and stretch training on the patient's knee joint. After the patient bends his knee to the extreme position, the leg can exert force to resist the traction force of the counterweight 520 to restore it to the initial position. During the above-mentioned entire action process, the traction force provided by the traction rope 510 to the swing component 300 coincides with the tangential direction of the swing of the swing component 300, that is, the direction of the traction force is always the same as the natural swing direction of the patient's calf, which is convenient for ensuring the accuracy of the patient's stretching training action, ensuring the training effect, and improving the training efficiency.
[0043] In some embodiments, the traction assembly 500 further includes a vertical support plate 530, a first fixed pulley 540, and a second fixed pulley 550. The vertical support plate 530 is mounted on the upper end of the seat plate 100, the first fixed pulley 540 is arranged on the lower bottom surface of the seat plate 100, and the second fixed pulley 550 is arranged on the seat plate 100. The traction rope 510 is sequentially passed through the first fixed pulley 540 and the second fixed pulley 550, and the counterweight 520 is arranged at the end of the traction rope 510 close to the second fixed pulley 550; through the first The fixed pulley 540 and the second fixed pulley 550 are used in combination to convert the gravity exerted on the counterweight 520 into a traction force for swinging the swing assembly 300. The counterweight 520 is used to replace manpower to perform stretching training on the patient, so that the traction force provided for the swing assembly 300 is more stable and reliable, and the workload of medical staff can be effectively reduced. Of course, in other embodiments of the present invention, the traction assembly 500 can also be provided with a multi-link transmission structure to provide a stable traction force for the swing assembly 300.
[0044] In some embodiments, the counterweight member 520 includes a lifting rod and a counterweight block. There are multiple counterweight blocks, all of which are installed on the lifting rod. The lifting rod is connected to the traction rope 510, which is convenient for setting different numbers of counterweight blocks on the lifting rod according to the training needs of different patients, thereby greatly improving the scope of application of this embodiment.
[0045] In some embodiments, a guide seat 560 is provided on the end face of the vertical support plate 530 close to the counterweight 520, and a guide hole corresponding to the traction rope 510 is provided on the guide seat 560, and the traction rope 510 between the second fixed pulley 550 and the counterweight 520 is passed through the guide hole; by providing a guide hole for the traction rope 510, the counterweight 520 can be effectively prevented from swinging back and forth in the horizontal direction when the traction rope 510 is pulled up and down, which can greatly improve the safety of use of this embodiment; of course, in other embodiments of the utility model, the up and down movement trajectory of the counterweight 520 can also be restricted to prevent the counterweight 520 from swinging in the horizontal direction.
[0046] In some embodiments, a locking buckle 570 corresponding to the traction rope 510 is further provided on the guide seat 560, and the traction rope 510 is inserted into the locking buckle 570, and the locking buckle 570 is penetrated by a locking rod 571 through threaded cooperation, and the locking rod 571 can be passed through the locking buckle 570 and press the traction rope 510 against the side wall of the guide seat 560; when this embodiment is not in use or is suspended, the locking rod 571 is passed through the locking buckle 570 and presses the traction rope 510 against the side wall of the guide seat 560, thereby completing the locking of the traction rope 510, and then completing the locking of the traction assembly 500, thereby improving the safety of this embodiment when it is out of use; of course, in other embodiments of the utility model, the swing assembly 300 can also be locked, so that when this embodiment is out of use, the various components of the traction assembly 500 can remain stationary.
[0047] In some embodiments, a chair back 130 is further provided on the seat 100, so that the patient can lean on the chair back 130 during rehabilitation training, thereby improving the patient's comfort during rehabilitation training; and the chair back 130 is arranged parallel to the vertical support plate 530, which can effectively avoid the influence of the second fixed pulley 550 on the vertical plate on the chair back 130 when rotating, thereby further ensuring the patient's comfort.
[0048] In some embodiments, the reclining surface of the chair back 130 and the upper end surface of the seat 100 are both provided with cushioning pads to improve the comfort of the patient when sitting on the seat 100 and leaning on the chair back 130 .
[0049] In some embodiments, a guide groove 101 corresponding to the chair back 130 is horizontally provided on the side of the seat 100 where the swing seat 110 is located, and a protrusion is provided on the chair back 130, and the protrusion is inserted into the guide groove 101. A push rod 531 is inserted through the vertical support plate 530 by threaded cooperation, and the push rod 531 can pass through the vertical support plate 530 and push the chair back 130. A traction spring 532 is provided between the chair back 130 and the vertical support plate 530; the chair back 130 can be moved relative to the guide groove 101 by rotating the fixed push rod, so that the position of the chair back 130 can be adjusted according to the needs of different patients, and by providing the traction spring 532, it can be effectively ensured that the chair back 130 and the seat 100 are always in a taut state, avoiding damage caused by looseness between the chair back 130 and the seat 100.
[0050] In some embodiments, the swing assembly 300 includes a swing tube 310 and a swing rod 320, wherein the swing rod 320 is inserted into the swing tube 310, and a plurality of first adjustment holes 322 are provided on the swing rod 320, and a first pin shaft 321 is inserted into the swing tube 310, and the first pin shaft 321 is inserted into the first adjustment hole 322 while being inserted into the first adjustment hole 322 while being inserted into the swing tube 310; the swing tube 310 is hingedly mounted on the swing shaft 120, and the first fixing assembly 410 is arranged on the swing rod 320; specifically, when performing rehabilitation training on patients of different body shapes, different patients There are differences in the calf lengths of the users, and the length of the swing assembly 300 needs to be adjusted accordingly. The first pin shaft 321 is first taken out, and then the swing rod 320 is driven to move relative to the swing tube 310. After the relative positions of the swing rod 320 and the swing tube 310 are adjusted, the first pin shaft 321 is then inserted into the corresponding first adjustment hole 322 on the swing tube 310 to lock the swing rod 320 and the swing tube 310, thereby completing the length adjustment and locking of the swing assembly 300. The whole process is simple and convenient to operate.
[0051] In some embodiments, the support frame 200 is composed of a plurality of support legs that can be raised and lowered; the support legs include a support tube 210 and a support rod 220, the support tube 210 is fixedly connected to the lower end of the seat 100, the support rod 220 is passed through the support tube 210, a plurality of second adjustment holes 222 are provided on the support rod 220, a second pin 221 is passed through the support tube 210, and the second pin 221 is passed through the support tube 210 and the second adjustment hole 222 at the same time; wherein, the height adjustment method of the support legs is similar to the length adjustment method of the above-mentioned swing assembly 300, which is simple and convenient, and is convenient for adjusting the overall height of the seat 100 as needed.
[0052] In some embodiments, the seat board 100 is provided with a second fixing component 420 for limiting and fixing the patient's thigh to prevent the patient's thigh from shaking when sitting on the seat board 100 for rehabilitation training, thereby ensuring the effect of the rehabilitation training.
[0053] like Figure 2 As shown, in some embodiments, the first fixing component 410 and the second fixing component 420 both include binding straps, and the two free ends of the binding straps are respectively provided with Velcro; when the patient's thigh or calf is bound and fixed by using the binding straps, it can be fully fixed according to different leg sizes, and the reliability of the fixation of the calf and thigh by the first fixing component 410 and the second fixing component 420 can be effectively ensured.
[0054] Example 2
[0055] The utility model also provides a stretching device, which can perform rehabilitation training on patients with knee joint injuries, including the stretching training chair described in Example 1. The stretching device has all the beneficial effects of the stretching training chair and will not be described in detail here.
[0056] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.
[0057] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.
Claims
1. A stretching training chair for stretching patients, characterized in that: include: A seat board, wherein a support frame is provided at the lower end of the seat board; swing seats are symmetrically provided on both sides of the seat board, and a swing shaft is provided on the swing seat, so that when the patient sits on the seat board, the node of the patient's knee joint can coincide with the axis of the swing shaft; A swing assembly, the swing assembly being hingedly mounted on the swing shaft; A first fixing component is disposed on the swinging component, and the first fixing component can fix the patient's lower leg on the swinging component; A traction assembly is mounted on the seat plate, the traction assembly comprises a traction rope and a counterweight, and two ends of the traction rope are respectively connected to the swing assembly and the counterweight; The counterweight moves downward under the action of gravity, which can pull the traction rope to move, thereby driving the swing assembly to swing relative to the swing shaft.
2. The stretching training chair according to claim 1, characterized in that: The traction assembly also includes a vertical support plate, a first fixed pulley, and a second fixed pulley. The vertical support plate is installed on the upper end of the seat plate, the first fixed pulley is arranged on the lower bottom surface of the seat plate, and the second fixed pulley is arranged on the seat plate. The traction rope is sequentially passed through the first fixed pulley and the second fixed pulley, and the counterweight is arranged at the end of the traction rope close to the second fixed pulley.
3. The stretching training chair according to claim 2, characterized in that: A guide seat is provided on the end surface of the vertical support plate close to the counterweight, and a guide hole corresponding to the traction rope is provided on the guide seat, and the traction rope between the second fixed pulley and the counterweight is passed through the guide hole.
4. The stretching training chair according to claim 3, characterized in that: The guide seat is also provided with a locking buckle corresponding to the traction rope, the traction rope is inserted into the locking buckle, and the locking buckle is provided with a locking rod through threaded cooperation. The locking rod can pass through the locking buckle and press the traction rope against the side wall of the guide seat.
5. The stretching training chair according to claim 2, characterized in that: The seat board is also provided with a chair back, and the chair back is arranged parallel to the vertical support board.
6. The stretching training chair according to claim 5, characterized in that: A guide groove corresponding to the chair back is horizontally provided on the side of the seat plate where the swing seat is located, and a protrusion is provided on the chair back, and the protrusion is inserted into the guide groove. A push rod is inserted into the vertical support plate through threaded cooperation, and the push rod can pass through the vertical support plate and push the chair back. A traction spring is provided between the chair back and the vertical support plate.
7. The stretching training chair according to any one of claims 1 to 6, characterized in that: The swing assembly includes a swing tube and a swing rod. The swing rod is inserted into the swing tube. The swing rod is provided with a plurality of first adjustment holes. The swing tube is provided with a first pin shaft. The first pin shaft is inserted into the swing tube and the first adjustment hole at the same time. The swing tube is hingedly mounted on the swing shaft, and the first fixing assembly is arranged on the swing rod.
8. The stretching training chair according to any one of claims 1 to 6, characterized in that: The support frame is composed of a plurality of support legs which can be raised and lowered and adjusted.
9. The stretching training chair according to any one of claims 1 to 6, characterized in that: The seat plate is provided with a second fixing component for limiting and fixing the patient's thigh.
10. A drafting device, characterized in that: The invention comprises the stretching training chair as claimed in any one of claims 1 to 9.