CN219049313U

CN219049313U - Elbow joint training device

Info

Publication number: CN219049313U
Application number: CN202223240270.9U
Authority: CN
Inventors: 田野; 次晓峰
Original assignee: Hebei Daai Intelligent Technology Co ltd
Current assignee: Hebei Daai Intelligent Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-23
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses an elbow joint trainer, which comprises a shell, a driving piece and a swinging frame, wherein an installation space is formed in the shell; the driving piece is arranged in the installation space; the swing frame comprises a support rod, a rotating shaft and a connecting arm, wherein the rotating shaft is arranged in a shell, the connecting arm is arranged in an installation space, one end of the connecting arm is connected with a driving piece, the other end of the connecting arm is connected with the rotating shaft, the support rod is arranged outside the installation space and connected with the rotating shaft, the support rod is provided with a first fixing piece for fixing a small arm, and the driving piece linearly stretches and contracts to move, and drives the rotating shaft to rotate through the connecting arm so that the support rod swings relative to the shell. The elbow joint trainer in the technical scheme of the utility model is simpler and more labor-saving to operate during training, and improves the convenience of use.

Description

Elbow joint training device

Technical Field

The utility model relates to the technical field of medical instruments, in particular to an elbow joint trainer.

Background

For some patients with hand injuries, in the subsequent rehabilitation treatment process, arms are required to be subjected to flexion and extension training, and elbow joint training can be realized in the flexion and extension exercise process, so that the rapid rehabilitation of the patients is facilitated. The existing elbow joint trainer generally fixes a small arm on an arm support, and then enables the arm support to swing, so that the small arm is driven to swing relatively to a large arm, and elbow joint bending and stretching training is achieved. However, such elbow joint training devices are usually trained by manually driving the arm support to swing by the patient or doctor, which makes the operation laborious and cumbersome and inconvenient to use.

Disclosure of Invention

The utility model mainly aims to provide an elbow joint trainer, which aims to simplify and save labor in operation during training and improve the convenience of use.

To achieve the above object, the present utility model provides an elbow joint trainer comprising:

a housing in which an installation space is formed;

the driving piece is arranged in the installation space; and

the swing frame comprises a support rod, a rotating shaft and a connecting arm, wherein the rotating shaft is arranged on the shell, the connecting arm is arranged in the installation space, one end of the connecting arm is connected with the driving piece, the other end of the connecting arm is connected with the rotating shaft, the support rod is arranged outside the installation space and is connected with the rotating shaft, the support rod is provided with a first fixing piece used for fixing a small arm, and the driving piece linearly stretches and contracts to move, and drives the rotating shaft to rotate through the connecting arm so that the support rod swings relative to the shell.

Optionally, the housing is concavely formed with a groove, the rotating shaft is rotatably disposed in the groove, an end portion of the rotating shaft extends out of the groove and is located outside the housing, and the support rod is connected to the end portion of the rotating shaft.

Optionally, the elbow trainer further comprises a cover plate detachably connected to the shell and covering the notch of the groove, so that the rotating shaft is rotatably fixed to the groove.

Optionally, an angle display is arranged on the end face of the end part, connected with the support rod, of the rotating shaft.

Optionally, the linking arm is perpendicular to the axis of rotation, the linking arm is including being the contained angle and setting up first linkage segment and second linkage segment, the one end of first linkage segment with the driving piece is connected, the other end with the second linkage segment is connected, the second linkage segment keep away from the one end of first linkage segment with the axis of rotation is connected.

Optionally, a connecting hole is formed at one end of the first connecting section, and the swing frame further comprises a connecting shaft, and the connecting shaft penetrates through the connecting hole to be connected with the driving piece.

Optionally, the number of the connecting arms is two, the two connecting arms are oppositely arranged, and one end of the driving piece is arranged between the two connecting arms.

Optionally, the first mounting includes layer board, buckle and movable column, the buckle with the layer board is connected and encloses to close and be formed with the space that supplies the forearm to fix, the movable column is located the lateral part of layer board, the movable hole has been seted up to the bracing piece, the extending direction of movable hole with the extending direction of bracing piece is the same, the movable column inserts in the movable hole, and accessible retaining member with the bracing piece locks or relaxs, so that the first mounting is relative the bracing piece is fixed or relative the bracing piece upset.

Optionally, the elbow joint training device further comprises a second fixing piece for fixing the big arm, the second fixing piece is installed on the shell, the second fixing piece comprises a fixing plate and a binding band, and the binding band is connected with the fixing plate and encloses a space for fixing the big arm.

Optionally, the fixing plate is provided with a supporting surface for supporting the big arm, and a soft cushion is arranged on the supporting surface.

According to the elbow joint trainer disclosed by the technical scheme of the utility model, a patient can fix the small arm on the first fixing piece during the training and use process. During training, the driving piece is started to perform linear telescopic motion, so that the rotating shaft can be driven to rotate through the connecting arm, the rotating shaft can rotate to drive the supporting rod to swing relative to the shell, and further the first fixing piece arranged on the supporting rod can also follow the swing, so that the small arm is driven to swing, and the elbow joint bending and stretching training is realized. In this structure, because through driving piece, linking arm, axis of rotation and bracing piece with rectilinear motion turn into the required pitch arc motion of training, need not patient or doctor and order about first mounting motion manually and train to the operation when making training is simpler laborsaving, has promoted the convenience of use greatly.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an embodiment of an elbow trainer according to the present utility model;

FIG. 2 is a schematic diagram of the explosive structure of FIG. 1;

FIG. 3 is a schematic view of the elbow trainer of the present utility model in a motion state;

fig. 4 is a schematic view of the elbow trainer of the present utility model in another motion.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name
				10	Shell body	11	Main shell
111	Groove	12	Bottom cover
				20	Driving piece	21	Power line
22	Controller for controlling a power supply	30	Swing frame
				31	Support bar	311	Movable hole
32	Rotating shaft	33	Connecting arm
				331	First connecting section	3311	Connecting hole
332	Second connecting section	40	First fixing piece
				41	Supporting plate	42	Buckle plate
43	Movable column	50	Cover plate
				60	Angle display	70	Second fixing piece
71	Fixing plate	72	Bandage
				73	Cushion for soft mattress	100	Elbow joint training device

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout the text is to include three side-by-side schemes, taking "a and/or B as examples", including a scheme, or B scheme, or a scheme that both a and B satisfy. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The present utility model proposes an elbow joint trainer 100.

Referring to fig. 1 to 4, in the embodiment of the present utility model, the elbow trainer 100 includes a housing 10, a driving member 20, and a swing frame 30, and an installation space is formed in the housing 10; the driving piece 20 is installed in the installation space; the swing frame 30 includes a support bar 31, a rotation shaft 32 and a connection arm 33, the rotation shaft 32 is mounted on the housing 10, the connection arm 33 is disposed in the mounting space, one end of the connection arm 33 is connected to the driving member 20, the other end is connected to the rotation shaft 32, the support bar 31 is disposed outside the mounting space and is connected to the rotation shaft 32, the support bar 31 is provided with a first fixing member 40 for fixing a small arm, the driving member 20 linearly stretches and contracts, and the connection arm 33 drives the rotation shaft 32 to rotate, so that the support bar 31 swings relative to the housing 10.

Specifically, the casing 10 includes a main casing 11 and a bottom cover 12, the bottom of the main casing 11 has an opening, the bottom cover 12 is detachably covered at the opening, the bottom cover 12 and the main casing 11 enclose to form the aforementioned installation space, so, the driving member 20 in the installation space can be conveniently disassembled, assembled and maintained through the disassembling operation of the bottom cover 12 and the main casing 11.

The driving member 20 is mainly used as a power source for swinging the first fixing member 40, and the driving member 20 may be a telescopic cylinder or an electric push rod, etc., in this embodiment, the electric push rod is preferred to ensure the stability of the electric telescopic linear motion. The driving member 20 is connected with a power cord 21, a plug is provided at an end of the power cord 21 away from the driving member 20, and the driving member 20 is also electrically connected with a controller 22. Therefore, when the plug is connected to the power source, the patient can hold the controller 22 to control the telescopic movement of the driving member 20, so as to drive the supporting rod 31 to swing, thereby realizing the flexion and extension training of the elbow joint.

The rotation shaft 32 may be mounted on the top of the main housing 11, so that the swinging movement of the support rod 31 relative to the housing 10 is not easily disturbed, in this embodiment, the connection arm 33, the rotation shaft 32 and the support rod 31 may be in an integral structure, so that the connection stability is better, and the connection is not easily loosened during working.

The elbow trainer 100 of the present utility model allows a patient to first secure a small arm to the first securing member 40 during use of the trainer. During training, the driving piece 20 is started, the driving piece 20 performs linear telescopic motion, so that the rotating shaft 32 can be driven to rotate through the connecting arm 33, the rotating shaft 32 can rotate to drive the supporting rod 31 to swing relative to the shell 10, and further the first fixing piece 40 arranged on the supporting rod 31 can follow the swing, so that the small arm is driven to swing, and elbow joint bending and stretching training is achieved. In this structure, since the linear motion is converted into the arc motion required for training through the driving member 20, the connecting arm 33, the rotating shaft 32 and the supporting rod 31, the first fixing member 40 is manually driven by the patient or doctor to train, so that the operation during training is simpler and more labor-saving, and the convenience of use is greatly improved.

In order to enable the rotation shaft 32 to rotate stably and reliably, referring to fig. 2, in an embodiment of the present application, the housing 10 is concavely formed with a groove 111, the rotation shaft 32 is rotatably disposed in the groove 111, an end portion of the rotation shaft 32 extends out of the groove 111 and is located outside the housing 10, and the support rod 31 is connected to an end portion of the rotation shaft 32. Specifically, the groove 111 may be concavely formed at the top of the main housing 11, and it is understood that the shape of the groove 111 should be designed to be adapted to the shape of the rotation shaft 32, for example, the rotation shaft 32 is a cylindrical shaft, and the groove 111 is provided as an adapted arc-shaped groove. Thus, through the design of the groove 111, the rotation action of the rotation shaft 32 can be limited by the groove 111, and the rotation shaft is not easy to jump in the rotation process, and has good stability.

The number of the support rods 31 may be two, the two support rods 31 are respectively connected to the ends of both ends of the rotation shaft 32, and the first fixing member 40 is disposed between the two support rods 31 and is commonly fixed by the two supports.

Further, in an embodiment of the present application, the elbow trainer 100 further includes a cover 50, wherein the cover 50 is detachably connected to the housing 10 and covers the notch of the groove 111, so that the rotation shaft 32 is rotatably fixed to the groove 111. Specifically, the cover plate 50 may be detachably fixed to the housing 10 by means of screw connection or snap connection, and an arc positioning portion adapted to the rotation shaft 32 is disposed at a position of the cover plate 50 facing the groove 111, and the arc positioning portion and a groove wall of the groove 111 together limit the rotation shaft 32, so as to ensure that the linear motion of the driving member 20 can be converted into the swinging motion of the support rod 31.

Further, in an embodiment, the end surface of the end portion of the rotation shaft 32 to which the support rod 31 is connected is provided with an angle display 60. The angle display 60 may be a disc scale display commonly used in the prior art, and it can be understood that by setting the angle display 60, a patient or a doctor can conveniently observe the swing amplitude, so that the patient can adapt to training according to the injury or training intensity of the patient.

In an embodiment of the present application, the connecting arm 33 is perpendicular to the rotating shaft 32, the connecting arm 33 includes a first connecting section 331 and a second connecting section 332 disposed at an included angle, one end of the first connecting section 331 is connected with the driving member 20, the other end is connected with the second connecting section 332, and one end of the second connecting section 332 far away from the first connecting section 331 is connected with the rotating shaft 32. The first connecting section 331 and the second connecting section are integrally formed, an included angle between the first connecting section 331 and the second connecting section 332 may be an obtuse angle, and a projection of the connecting arm 33 formed by connecting the first connecting section 331 and the second connecting section 332 on the housing 10 is perpendicular to an axial direction of the rotating shaft 32. So set up for when driving piece 20 drove linking arm 33 swing, in the limited rectilinear motion stroke of driving piece 20, bracing piece 31 has bigger swing range, is favorable to patient's rehabilitation training.

With continued reference to fig. 2, further, in order to enable the connecting arm 33 to be firmly mounted with the driving member 20. The first connecting section 331 has a connecting hole 3311 at one end, and the swing frame 30 further includes a connecting shaft (not shown) connected to the driving member 20 through the connecting hole 3311.

In one embodiment of the present application, the number of the connecting arms 33 is two, the two connecting arms 33 are oppositely disposed, and one end of the driving member 20 is disposed between the two connecting arms 33. In this embodiment, the end of the driving member 20 is provided with a through hole, and when the driving member 20 is connected to two connecting arms 33, the connecting shaft passes through the connecting hole 3311 of one of the connecting arms 33, then passes through the through hole of the driving member 20, and finally passes through the connecting hole 3311 of the other connecting arm 33. Therefore, the connecting arm 33 and the driving piece 20 are stably installed, and the symmetrical stability of the swinging motion driven by the two connecting arms 33 is good.

In this embodiment, the first fixing member 40 includes a supporting plate 41, a buckle plate 42 and a movable post 43, the buckle plate 42 is connected with the supporting plate 41 and encloses to form a space for fixing a small arm, the movable post 43 is disposed on a side portion of the supporting plate 41, the support rod 31 is provided with a movable hole 311, an extending direction of the movable hole 311 is the same as an extending direction of the support rod 31, the movable post 43 is inserted into the movable hole 311, and the movable post 43 can be locked or loosened with the support rod 31 through a locking member (not shown), so that the first fixing member 40 is fixed relative to the support rod 31 or turned relative to the support rod 31.

In this embodiment, the locking member may be a locking wrench, and when locked, the movable post 43 is kept fixed in the movable hole 311, and the first fixing member 40 is fixed relative to the support rod 31 for training; when loosening, on one hand, the movable column 43 can rotate in the movable hole 311, so that the first fixing piece 40 can turn over relative to the supporting rod 31, and the angle of the fixed small arm can be adjusted; on the other hand, the movable column 43 can slide along the movable hole 311, so as to adjust the relative position of the first fixing member 40 on the support rod 31.

In the embodiment of the present application, the elbow trainer 100 further includes a second fixing member 70 for fixing the big arm, the second fixing member 70 is installed on the casing 10, the second fixing member 70 includes a fixing plate 71 and a binding band 72, and the binding band 72 is connected with the fixing plate 71 and encloses a space for fixing the big arm. It will be appreciated that the second fixing member 70 can fix the large arm, and the large arm will not jump when the small arm swings during the training process, thereby effectively ensuring the training effect.

Based on the above embodiment, referring to fig. 1, further, the fixing plate 71 has a supporting surface for supporting a large arm, and a cushion 73 is provided on the supporting surface. Wherein, cushion 73 can be the flexible pad of materials such as plastic or silica gel preparation, through setting up cushion 73 at the holding surface, can avoid producing painful sense when big arm is fixed, further promotes the travelling comfort of using the training.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. An elbow joint trainer comprising:

a housing in which an installation space is formed;

the driving piece is arranged in the installation space; and

2. The elbow trainer according to claim 1, wherein said housing is recessed to form a recess, said rotatable shaft is rotatably disposed in said recess, an end of said rotatable shaft extends out of said recess and is located outside said housing, and said support bar is connected to an end of said rotatable shaft.

3. The elbow trainer of claim 2, further comprising a cover removably attached to said housing and covering a notch of said recess such that said rotatable shaft is rotatably secured to said recess.

4. The elbow joint trainer according to claim 2, wherein an end surface of the end portion of the rotation shaft to which the support rod is connected is provided with an angle display.

5. The elbow joint trainer according to claim 1, wherein said connecting arm is perpendicular to said rotational axis, said connecting arm comprising a first connecting section and a second connecting section disposed at an angle, one end of said first connecting section being connected to said driving member and the other end being connected to said second connecting section, one end of said second connecting section remote from said first connecting section being connected to said rotational axis.

6. The elbow joint trainer according to claim 5, wherein one end of said first connection section is provided with a connection hole, said swing frame further comprising a connection shaft, said connection shaft passing through said connection hole and being connected to said driving member.

7. The elbow joint trainer according to claim 5, wherein the number of said connecting arms is two, two of said connecting arms are disposed opposite each other, and one end of said driving member is disposed between two of said connecting arms.

8. The elbow joint trainer according to any one of claims 1 to 7, wherein the first fixing member comprises a supporting plate, a buckle plate and a movable column, the buckle plate is connected with the supporting plate and encloses a space for fixing a small arm, the movable column is arranged on the side part of the supporting plate, the supporting rod is provided with a movable hole, the extending direction of the movable hole is the same as the extending direction of the supporting rod, and the movable column is inserted into the movable hole and can be locked or loosened with the supporting rod through a locking member so that the first fixing member is fixed relative to the supporting rod or overturned relative to the supporting rod.

9. The elbow trainer according to any one of claims 1-7, further comprising a second securing member for securing a large arm, said second securing member being mounted to said housing, said second securing member comprising a securing plate and a strap, said strap being connected to said securing plate and enclosing a space for securing a large arm.

10. The elbow trainer of claim 9, wherein said fixation plate has a support surface for supporting a large arm, said support surface having padding disposed thereon.