Portable hand grasping ability trainer

Abstract

The utility model relates to the technical field of medical apparatus and instruments, and discloses a portable hand grasping ability trainer which is characterized in that a ratchet bar is arranged on a shell; the box body is arranged on the shell and is communicated with the shell; the rotating shaft is rotationally arranged on the box body; the knob is arranged at the top of the rotating shaft; the torsion spring is sleeved on the rotating shaft; the pawl is arranged at the bottom of the rotating shaft, and the pawl is in meshed connection with the ratchet bar; the leaf spring is arranged on the box body, and the leaf spring abuts against the pawl. The fixing mode that the whole device is fixed to the wrist of a patient through the hook-and-loop fastener is changed into the mode that the ratchet bar is inserted into the shell, the ratchet bar and the pawl are connected in a meshed mode, and therefore the whole device is fixed to the wrist of the user, the mode is slightly affected by the outside, the service life is long, and all the assemblies are matched to enable the knob to be rapidly fixed; and it is guaranteed that the internal space of the ratchet bar meets the use requirement of the wrist of a user, and the whole device is simple in structure and convenient to use.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field, concretely is a kind of portable grip ability training device for hand. BACKGROUND

[0002] The time to restore the previous strength of radius fracture is relatively long, and the recovery degree is different at different times. After surgery or manual reduction and external fixation of upper limb fracture, at least 4-6 weeks are needed to achieve clinical healing of fracture. Clinical healing means that the fracture is basically stable. There is long bone callus at the fracture end, and the fracture will not be displaced slightly. There is no local tenderness, percussion pain, and no obvious pain when moving the hand. At this time, the fracture healing is not strong enough, and the hand cannot be used too hard, and the arm cannot be used too hard, so active light activity is needed.

[0003] The existing device can tighten and close two bases and fix them on the arm of the patient through the cooperation between the blocking rod, the connecting cloth and the magic tape. The hand of the patient can be subjected to grip rehabilitation training through the cooperation between the elastic band and the hanging ring. However, in actual use, the magic tape is prone to adhere to dust, which reduces the adhesion of the magic tape, so that the magic tape cannot be fixed stably, which affects the stability of the training device in the subsequent use process, and has certain limitations. In order to solve the above problems, a portable grip ability training device for hand is provided. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the shortcomings of the prior art, the utility model provides a portable grip ability training device for hand, which has the advantages of stably connecting the training device and the user's wrist, and solves the problem that the use of magic tape to fix the training device affects subsequent use.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a portable grip ability training device for hand, comprising a hand training device; the hand training device comprises: a plate body is arranged on the outer side wall of the shell, and a fixed ring is arranged on the plate body; a ball is arranged on the fixed ring, and an elastic rope and a finger sleeve are arranged on the ball; a fixing device is arranged on the hand training device, and the fixing device comprises: a ratchet strip is arranged on the shell; a box body is arranged on the shell and communicates with the shell; a rotating shaft is rotatably arranged on the box body; a knob is arranged on the top of the rotating shaft; a torsional spring is sleeved on the rotating shaft; a pawl is arranged on the bottom of the rotating shaft, and the pawl is engaged with the ratchet strip; a leaf spring is arranged on the box body, and the leaf spring abuts against the pawl.

[0008] In some embodiments, the fixed ring is provided with two groups of fixed connections.

[0009] In some embodiments, the ratchet bar is made of medical silicone.

[0010] In some embodiments, the knob is provided with a plurality of sawtooth blocks.

[0011] In some embodiments, the knob is internally provided with a sliding groove, and the top of the rotating shaft is symmetrically provided with a sliding block, and the sliding block and the sliding groove are slidingly connected.

[0012] In some embodiments, the knob is internally provided with a hollow groove, and the hollow groove is internally provided with a spring.

[0013] In some embodiments, the bottom of the knob is provided with an insertion block, and the box body is provided with an insertion slot.

[0014] In some embodiments, the insertion block and the insertion slot are annular.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the hand portable grip ability training device has the following beneficial effects:

[0017] 1. The hand portable grip ability training device changes the fixing mode of the whole device on the patient's wrist by magic tape into the mode of inserting the ratchet bar into the shell, so that the ratchet bar and the pawl are engaged and connected to fix the whole device at the user's wrist. This mode is less affected by the outside world and has a long service life, simple structure, convenient use, and improved practicability of the whole device.

[0018] 2. The hand portable grip ability training device improves the integrity of the whole device by providing a sliding block on the rotating shaft and a sliding connection inside the box body. The spring provided at the top of the rotating shaft ensures that the insertion block on the knob and the insertion slot of the box body are not inserted under normal circumstances. When the knob needs to be fixed, the user can press the knob to directly fix the knob on the box body, thereby fixing the position of the rotating shaft and fixing the length of the ratchet bar inserted into the inside of the box body, and the device cannot be easily loosened. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model;

[0020] Figure 2 It is a structural schematic diagram of the back of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the pawl assembly in the utility model;

[0022] Figure 4 It is a structural schematic diagram of the finger sleeve assembly in the utility model;

[0023] Figure 5 It is a structure schematic view of the rotating shaft assembly in the utility model.

[0024] Figure 6 It is a structure schematic view of the rotating shaft assembly in the utility model.

[0025] In the drawing:

[0026] 1, hand training device;11, shell;12, plate body;13, fixed ring;14, ball body;15, elastic rope;16, finger sleeve;

[0027] 2, fixing device;21, ratchet bar;22, box body;23, rotating shaft;231, knob;232, torsional spring;24, pawl;25, leaf spring;26, sliding block;261, sliding slot;27, insertion block;271, insertion slot;28, empty slot;281, spring. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] It should be noted that all directional indications in the embodiments of the present application are only used to explain the relative positional relationship, movement condition and the like between components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0030] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be understood in a broad sense, for example, "fixing" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be internal communication of two elements or interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0031] The existing device can pull two bases close and fix them on the arm of a patient through the cooperation between the blocking rod, the connecting cloth and the magic tape, and can perform grasping rehabilitation training on the hand of the patient through the cooperation between the elastic band and the hanging ring.

[0032] In the related art, the magic tape is easy to adhere to dust, which reduces the adhesion of the magic tape and affects the stability of the training device in the subsequent use process.

[0033] In order to solve the problems in the related art to some extent, the hand portable grip ability training device provided by the embodiments of the present application is used. When the user uses the hand training device 1, the medical staff controls the knob 231 to rotate counterclockwise, the knob 231 drives the rotating shaft 23 to rotate synchronously, the pawl 24 is disengaged from the engagement connection with the ratchet bar 21, the head of the ratchet bar 21 is pulled out of the shell 11, the middle space of the shell 11 is exposed, the patient stretches out the wrist, the medical staff places the patient's wrist upwards on the shell 11, and the back of the user's wrist is attached to the shell 11 and the plate body 12. The medical staff inserts the head of the ratchet bar 21 into the shell 11, the ratchet bar 21 and the pawl 24 are engaged, and in the process of inserting the ratchet bar 21 into the shell 11, the back of the ratchet bar 21 slides on the pawl 24, so that the ratchet bar 21 smoothly passes through the pawl 24 and enters the shell 11, and finally is attached to the patient's hand to complete the fixation of the patient's hand. Because the ratchet teeth on the ratchet bar 21 and the pawl 24 are opposite in direction, the ratchet bar 21 cannot be affected by external force and fall out of the shell 11 without rotating the pawl 24, thereby improving the stability during fixation.

[0034] The present application will be described below in conjunction with the drawings and specific embodiments:

[0035] In conjunction with Figures 1-6 , the embodiments of the present application provide a hand portable grip ability training device, which comprises a hand training device 1; the hand training device 1 comprises: a plate body 12 is arranged on the outer side wall of a shell 11, and a fixed ring 13 is arranged on the plate body 12; a ball 14 is arranged on the fixed ring 13, and an elastic rope 15 and a finger sleeve 16 are arranged on the ball 14; a fixing device 2 is arranged on the hand training device 1, and the fixing device 2 comprises: a ratchet bar 21 is arranged on the shell 11; a box body 22 is arranged on the shell 11 and communicates with the shell 11; a rotating shaft 23 is rotatably arranged on the box body 22; a knob 231 is arranged on the top of the rotating shaft 23; a torsional spring 232 is sleeved on the rotating shaft 23; a pawl 24 is arranged on the bottom of the rotating shaft 23, and the pawl 24 is engaged with the ratchet bar 21; a leaf spring 25 is arranged on the box body 22, and the leaf spring 25 abuts against the pawl 24.

[0036] When the user uses the hand training device 1, the medical staff controls the knob 231 to rotate counterclockwise, the knob 231 drives the rotating shaft 23 to rotate synchronously, the pawl 24 is disengaged from the engagement with the ratchet bar 21, the head of the ratchet bar 21 is pulled out of the shell 11, the middle space of the shell 11 is exposed, the patient stretches the wrist, the medical staff places the patient's wrist upwards on the shell 11, the back of the user's wrist is attached to the shell 11 and the plate body 12, the medical staff inserts the head of the ratchet bar 21 into the shell 11, the ratchet bar 21 is engaged with the pawl 24, in the process of inserting the head of the ratchet bar 21 into the shell 11, the back of the ratchet bar 21 slides on the pawl 24, so that the ratchet bar 21 smoothly passes through the pawl 24 and enters the shell 11, and finally is attached to the patient's hand to complete the fixation of the patient's hand, because the ratchet teeth on the ratchet bar 21 are opposite to the pawl 24, the ratchet bar 21 cannot be pulled out of the shell 11 by external force without rotating the pawl 24, and the stability in the fixation process is improved, meanwhile, the setting of the leaf spring 25 makes the pawl 24 and the ratchet bar 21 more closely attached and the engagement more stable, after the user completes the adjustment of the ratchet bar 21, the knob 231 is pressed to make the plug 27 inserted into the slot 271, the position of the knob 231 and the rotating shaft 23 is fixed, the rotating shaft 23 drives the pawl 24 to be fixed, so that the pawl 24 cannot be disengaged from the engagement with the ratchet bar 21, the ratchet bar 21 stably fixes the wrist of the patient, the medical staff passes the ball 14 at the bottom of the elastic rope 15 through the large circle hole on the fixing ring 13, moves the elastic rope 15 to the small circle hole, pulls the elastic rope 15 upwards to make the ball 14 abut against the small circle hole on the fixing ring 13, the medical staff puts the finger sleeve 16 on the patient's finger, and the patient's finger joint is bent to pull the elastic rope 15, the user's finger is quickly reset under the elastic force, in this process, the user's finger is effectively exercised, the components cooperate to improve the training efficiency of the patient's finger strength when the radius is fractured, when the user needs to disassemble the entire device, the medical staff pulls out the knob 231 and then releases the hand, under the elastic force of the torsional spring 232, the knob 231 is quickly reset to make the rotating shaft 23 drive the pawl 24 to reset and disengage from the engagement with the ratchet bar 21, the user can pull out the ratchet bar 21 from the shell 11 to release the fixation of the patient's wrist.

[0037] In some embodiments, the fixing ring 13 is provided with two groups of fixed connections. Because the lengths of the fingers of the users are different, two groups of fixing rings 13 are provided to facilitate the movement of the elastic rope 15 on the fixing ring 13, so that the position of the elastic rope 15 is more suitable for different users.

[0038] In some embodiments, the ratchet bar 21 is made of medical silica gel. The medical silica gel has soft texture, good deformation and wear resistance, so that the use of medical silica gel improves the practicability of the entire device.

[0039] In some embodiments, the knob 231 is provided with a plurality of sawtooth blocks. The sawtooth blocks provide a force point for the user, facilitating the user to improve the force accuracy and control the force size when twisting the knob 231.

[0040] In some embodiments, the knob 231 is internally provided with a sliding groove 261, and the top of the rotating shaft 23 is symmetrically provided with a sliding block 26, which is in sliding connection with the sliding groove 261. The sliding groove 261 and the sliding block 26 ensure the synchronous movement of the knob 231 and the rotating shaft 23, and also ensure that the knob 231 can be pressed to be fixed.

[0041] In some embodiments, the knob 231 is internally provided with a hollow slot 28, and the hollow slot 28 is internally provided with a spring 281. The spring 281 can ensure that the knob 231 is lifted on the rotating shaft 23 when it is not needed to be pressed and fixed, facilitating the user to control the knob 231 and not hindering the rotation of the rotating shaft 23.

[0042] In some embodiments, the bottom of the knob 231 is provided with an insertion block 27, and the box body 22 is provided with an insertion slot 271. The insertion block 27 and the insertion slot 271 are inserted to fix the knob 231 after the knob 231 is pressed, facilitating the user to control the rotation of the rotating shaft 23 and the pawl 24.

[0043] In some embodiments, the insertion block 27 and the insertion slot 271 are annular. The annular insertion block 27 and the insertion slot 271 have a larger contact area, improve the friction, and make the knob 231 be fixed more stably.

[0044] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the present specification.

[0045] In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist, also not within the protection scope required by the present application.

[0046] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hand portable grip training device, comprising a hand training device (1), wherein the hand training device (1) comprises: a shell (11) provided with a plate body (12) on the outer side wall, and a fixed ring (13) is arranged on the plate body (12); a ball (14) is arranged on the fixed ring (13), and an elastic rope (15) and a finger sleeve (16) are arranged on the ball (14); characterized in that the hand training device (1) is provided with a fixing device (2), wherein the fixing device (2) comprises: a ratchet bar (21) arranged on the shell (11); a box body (22) arranged on the shell (11) and in communication with the shell (11); a rotating shaft (23) rotatably arranged on the box body (22); a knob (231) arranged on the top of the rotating shaft (23); a torsional spring (232) sleeved on the rotating shaft (23); a pawl (24) arranged on the bottom of the rotating shaft (23), and the pawl (24) is in engagement with the ratchet bar (21); a leaf spring (25) arranged on the box body (22), and the leaf spring (25) is in abutment with the pawl (24); the fixed ring (13) is provided with two groups of fixed connections; the ratchet bar (21) is made of medical silica gel; a plurality of sawtooth blocks are arranged on the knob (231); a sliding groove (261) is arranged in the knob (231), the top of the rotating shaft (23) is symmetrically provided with a sliding block (26), and the sliding block (26) is in sliding connection with the sliding groove (261); an empty groove (28) is arranged in the knob (231), and a spring (281) is arranged in the empty groove (28); an insertion block (27) is arranged on the bottom of the knob (231), and an insertion groove (271) is arranged on the box body (22); the insertion block (27) and the insertion groove (271) are annular. ​ ​ ​ ​ ​ ​ ​ ​ ​ ​ 2. A hand portable grip strength trainer as claimed in claim 1 wherein: ​ 3. A hand portable grip strength trainer as claimed in claim 1, wherein: ​ 4. A hand portable grip strength trainer as claimed in claim 1, wherein: ​ 5. A hand-held portable grip strength trainer as claimed in claim 4 wherein: ​ 6. A hand-held portable grip strength trainer as claimed in claim 5 wherein: ​ 7. A hand-held portable grip strength trainer as claimed in claim 6 wherein: ​ 8. A hand-held portable grip strength trainer as claimed in claim 7, wherein: ​

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