Two-way buckle device

Abstract

A two-way buckle device is provided with a fixed plate and a swing arm, the fixed plate is provided with at least one plastic buckle, the swing arm is assembled on the fixed plate, the swing arm can pass over the plastic buckle in both positive and negative directions under the action of external force, and the swing arm is blocked by the plastic buckle and cannot pass over the plastic buckle under normal conditions. The two-way buckle device has a swing arm that can rotate in both positive and negative directions under the driving action of external force to achieve two-way swinging, and has the characteristics of simple structure and easy operation.

Description

Technical Field

[0001] The present invention relates to the field of rehabilitation medical equipment, and in particular to a two-way buckle device. Background Art

[0002] Orthotics are a general term for external devices that are fitted to the limbs, trunk and other parts of the human body. Their purpose is to prevent or correct deformities of the limbs and trunk or to treat bone and joint and neuromuscular diseases and compensate for their functions.

[0003] In the prior art, orthotic devices mainly use one-way buckles to assist orthotic devices in adjusting angles. In specific applications, since one-way buckles can only rotate in one direction, they cannot meet the needs of rehabilitation of joint stiffness and contracture caused by various joint fractures, tendon or ligament repair surgery, stroke, burn patients, etc., and lack a range of motion at multiple angles.

[0004] Therefore, it is necessary to provide a two-way buckle device to solve the shortcomings of the prior art. Summary of the invention

[0005] The purpose of the present invention is to avoid the shortcomings of the prior art and provide a two-way buckle device to solve the shortcomings of the prior art. The two-way buckle device can swing in both directions under the action of external force and has the characteristics of simple structure and convenient operation.

[0006] The above-mentioned purpose of the present invention is achieved through the following technical means.

[0007] A two-way buckle device is provided, which comprises a fixed plate and a swing arm. The fixed plate is provided with at least one plastic buckle. The swing arm is assembled on the fixed plate. The swing arm can pass over the plastic buckle in both positive and negative directions under the action of external force. In normal state, the swing arm is blocked by the plastic buckle and cannot pass over the plastic buckle.

[0008] Preferably, at least one support member is disposed on both sides of each plastic buckle, the support member is fixedly connected to the plate body of the fixed plate, and the length D of the support member is shorter than the length H of the plastic buckle.

[0009] Preferably, the support member is a plastic support member.

[0010] Preferably, the plate body of the fixed plate is provided with a through hole, the swing arm is movably assembled in the through hole, and the swing arm and the through hole are assembled with a gap.

[0011] Preferably, the plastic snap fastener is provided with a connecting arm and a connecting head, and the connecting arm is fixedly connected to the connecting head.

[0012] With the center position of the plate body of the fixed plate as the inside and the direction of the outer edge of the plate body as the outside, the two sides of the connector are respectively provided with a first mating surface and a second mating surface from the inside to the outside, and the second mating surfaces on the two sides are connected by a top surface;

[0013] From the inside to the outside, the point of the first matching surface that is farther from the center of the disc body has a shorter distance from the central axis of the plastic buckle;

[0014] The distance between a point on the first mating surface and the center axis of the plastic snap member is not less than the distance between a point on the second mating surface and the center axis of the plastic snap member.

[0015] In another preferred embodiment of the present invention, the plastic clip is provided with a connecting arm and a connecting head, and the connecting arm is fixedly connected to the connecting head;

[0016] With the center position of the plate body of the fixed plate as the inside and the direction of the outer edge of the plate body as the outside, transition fitting surfaces are respectively arranged on both sides of the connector from the inside to the outside, and the transition fitting surfaces on both sides are connected by a top surface;

[0017] From the inside to the outside, the farther the point of the transition fitting surface is from the center of the disk body, the shorter the distance from the center axis of the plastic clip is.

[0018] Preferably, the connector has a symmetrical structure.

[0019] The connector of the present invention is also provided with a step surface for abutting against the support member when subjected to external force.

[0020] Preferably, the swing arm is provided with a shaft portion, support members on both sides and a top portion;

[0021] The shaft is movably assembled in the through hole, the support members on both sides are respectively located on both sides of the disk body, the top is fixedly connected to the support members on both sides, and the top is matched with the connecting head, and the top is provided with a matching surface corresponding to the connecting head.

[0022] Preferably, the fixed plate is provided with a plurality of plastic buckles, and two to three supporting members are respectively provided on both sides of each plastic buckle.

[0023] Preferably, the disc body is annular, a plurality of plastic snap-fit ​​parts are evenly distributed on the disc body, and a plurality of support parts are evenly distributed on the disc body.

[0024] The bidirectional buckle device of the present invention is provided with a fixed plate and a swing arm, the fixed plate is provided with at least one plastic buckle, the swing arm is assembled on the fixed plate, the swing arm can pass over the plastic buckle in both positive and negative directions under the action of external force, and the swing arm is blocked by the plastic buckle and cannot pass over the plastic buckle under normal conditions. The bidirectional buckle device has the characteristics of simple structure and easy operation, and the swing arm can rotate in both positive and negative directions under the driving action of external force to achieve bidirectional swing. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention is further described with reference to the accompanying drawings, but the contents in the accompanying drawings do not constitute any limitation to the present invention.

[0026] Figure 1 It is a structural schematic diagram of a two-way buckle device of the present invention.

[0027] Figure 2 It is a structural schematic diagram of a chassis of a two-way buckle device of the present invention.

[0028] Figure 3 It is a structural schematic diagram of a plastic buckle part of a two-way buckle device of the present invention.

[0029] Figure 4 It is a structural schematic diagram of a swing arm of a two-way buckle device of the present invention.

[0030] Figure 5 It is a structural schematic diagram of another swing arm of a two-way buckle device of the present invention.

[0031] Figure 6 It is a structural schematic diagram of the chassis of Example 2 of a two-way snap buckle device of the present invention.

[0032] Figure 7 It is a structural schematic diagram of a plastic snap-fitting part of Example 2 of a two-way snap-fitting device of the present invention.

[0033] exist Figures 1 to 7 Including:

[0034] Set 100,

[0035] Plastic buckle 110, support member 120, through hole 130,

[0036] Connecting arm 111, connecting head 112,

[0037] The first mating surface 1121, the second mating surface 1122, the top surface 1123,

[0038] Transition fitting surface 1124, step surface 1125,

[0039] Swing arm 200,

[0040] The shaft 210, the double-sided support members 220, the top 230,

[0041] Mating surface 231. DETAILED DESCRIPTION

[0042] The present invention is further described in conjunction with the following examples.

[0043] Example 1.

[0044] A two-way buckle device, such as Figure 1 As shown, a fixed plate 100 and a swing arm 200 are provided, the fixed plate 100 is provided with a plurality of plastic fasteners 110, the swing arm 200 is assembled on the fixed plate 100, and the swing arm 200 can pass over the plastic fasteners 110 in both positive and negative directions under the action of external force, and under normal conditions, the swing arm 200 is blocked by the plastic fasteners 110 and cannot pass over the plastic fasteners 110.

[0045] It should be noted that the fixed plate 100 is provided with at least one plastic buckle 110, and the existence of the plastic buckle 110 can also adjust the angle under the rotation of the swing arm.

[0046] In this embodiment, the direction in which the swing arm 200 moves along a certain direction under the action of an external force is defined as a positive direction, and the direction opposite to the positive direction is defined as a negative direction.

[0047] The normal state in this embodiment specifically refers to the absence of external force. It should be noted that the swing arm 200 will only pass over the plastic buckle 110 under the action of external force, thereby achieving bidirectional swing.

[0048] Specifically, Figure 2 As shown, at least one support member 120 is disposed on both sides of each plastic buckle 110 , and the support member 120 is fixedly connected to the plate body of the fixed plate 100 . The length D of the support member 120 is shorter than the length H of the plastic buckle 110 .

[0049] The support member 120 in this embodiment is specifically configured as a plastic support member 120. A plastic support member refers to a support member that can produce a certain deformation under the action of an external force, such as a plastic support member.

[0050] Support members 120 are provided on both sides of each plastic fastener 110 , which can limit the swing amplitude of the plastic fastener 110 during the bidirectional swinging of the swing arm 200 , so that the swing arm 200 can pass over the plastic fastener 110 .

[0051] Specifically, the plate body of the fixed plate 100 in this embodiment is provided with a through hole 130, and the swing arm 200 is movably assembled in the through hole 130, and the swing arm 200 is assembled with a gap between the through hole 130. During the bidirectional swinging process of the swing arm 200, the swing arm 200 can move within the gap range, which is helpful for the rotation and positioning of the swing arm 200.

[0052] Specifically, Figure 3As shown, the plastic clip 110 is provided with a connecting arm 111 and a connecting head 112, and the connecting arm 111 is fixedly connected to the connecting head 112. With the center position of the plate body of the fixed plate 100 as the inside and the direction of the outer edge of the plate body as the outside, the two sides of the connecting head 112 are respectively provided with a first mating surface 1121 and a second mating surface 1122 from the inside to the outside, and the second mating surfaces 1122 on both sides are connected by a top surface 1123; from the inside to the outside, the farther the point of the first mating surface 1121 is from the center position of the plate body, the shorter the distance from the central axis of the plastic clip 110; the distance from the point on the first mating surface 1121 to the central axis of the plastic clip 110 is not less than the distance from the point on the second mating surface 1122 to the central axis of the plastic clip 110.

[0053] The connector 112 in this embodiment has a symmetrical structure. The connector 112 is set to a symmetrical structure, which means that it can swing in both positive and negative directions.

[0054] The connector 112 of this embodiment is also provided with a step surface 1125 for abutting against the support member 120 when subjected to an external force. Under the action of the external force, the swing arm 200 abuts against the plastic clip 110 and applies force to the plastic clip 110, and the step surface 1125 on the connector 112 can just abut against the support member 120, so that under the action of the external force, the plastic clip will not be deformed indefinitely due to the action of the swing arm, so that the swing arm can eventually pass over the plastic clip to reach another position.

[0055] Specifically, Figure 4 As shown, the swing arm 200 is provided with a shaft 210, two-sided support members 120 and a top 230. The shaft 210 is movably assembled in the through hole 130, the two-sided support members 120 are respectively located on both sides of the disc body, the top 230 is fixedly connected to the two-sided support members 120, and the top 230 matches the connector 112, and the top 230 is provided with a matching surface 231 corresponding to the connector 112.

[0056] It should be noted that the swing arm 200 is not limited to Figure 4 As shown in Figure 5 Those skilled in the art can set the shape of the swing arm 200 according to the actual setting of the plastic buckle 110, which will not be listed here.

[0057] The following takes the application of the two-way buckle device in the field of medical devices as an example.

[0058] In specific applications, the two-way buckle device can be used in combination with orthotic devices, and can be applied to joint stiffness and contracture caused by various joint fractures, tendon or ligament repair surgery, stroke, burn patients, etc. By adjusting the angle of the orthosis through the two-way buckle device, it can prevent muscle and joint contracture and support paralyzed limbs.

[0059] The two-way buckle device realizes two-way swinging by allowing the swing arm 200 to pass over the plastic buckle 110 in both positive and negative directions under the driving action of an external force, and has the characteristics of simple structure and easy operation.

[0060] Example 2.

[0061] A two-way buckle device, the other structures are the same as those of embodiment 1, except that: Figure 6 and Figure 7 As shown, the plastic snap-fit ​​component 110 is provided with a connecting arm 111 and a connecting head 112 , and the connecting arm 111 is fixedly connected to the connecting head 112 .

[0062] With the center of the plate 100 as the inside and the outer edge of the plate as the outside, transition surfaces 1124 are respectively provided on both sides of the connector 112 from the inside to the outside, and the transition surfaces 1124 on both sides are connected by a top surface 1123.

[0063] From the inside to the outside, the farther away the transition fitting surface 1124 is from the center of the disk body, the shorter the distance from the central axis of the plastic buckle 110 is.

[0064] In this embodiment, the transition mating surface 1124 and the top surface 1123 provided on the connecting head 112 are in contact with the inner surface of the top 230 of the swing arm 200, which can help the swing arm 200 to pass through the plastic clip 110 in both positive and negative directions under the action of external force to adjust the angle.

[0065] Example 3.

[0066] A two-way snap-fit ​​device, the other structures of which are the same as those of Embodiment 1 or Embodiment 2, except that: a fixed plate 100 is provided with a plurality of plastic snap-fit ​​components 110, and two to three support components 120 are respectively provided on both sides of each plastic snap-fit ​​component 110.

[0067] It should be noted that two, three or four support members 120 may be provided on both sides of each plastic buckle 110, or other numbers of support members 120 may be provided. The specific number of support members 120 is determined by those skilled in the art according to actual needs and is not limited here.

[0068] Specifically, the disc body is annular, a plurality of plastic buckles 110 are evenly distributed on the disc body, and a plurality of support members 120 are evenly distributed on the disc body.

[0069] The bidirectional buckle device can prevent the plastic buckle 110 from breaking under the action of external force by arranging the support members 120 on both sides of the plastic buckle 110, thereby ensuring the normal rotation of the swing arm 200.

[0070] Example 4.

[0071] A two-way buckle device is not limited to use on medical devices as described in Example 1, and can be used in any field where the angle between two parts needs to be adjusted.

[0072] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the scope of protection of the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the present invention.

Claims

1. A two-way buckle device, characterized in that: A fixed plate and a swing arm are provided, the fixed plate is provided with at least one plastic buckle, the swing arm is assembled on the fixed plate, the swing arm can pass over the plastic buckle in both positive and negative directions under the action of external force, and the swing arm is blocked by the plastic buckle and cannot pass over the plastic buckle in normal state; The plastic clip is provided with a connecting arm and a connecting head, and the connecting arm is fixedly connected to the connecting head; with the center position of the fixed disk body as the inside and the direction of the outer edge of the disk body as the outside, the two sides of the connecting head are respectively provided with a first mating surface and a second mating surface from the inside to the outside, and the second mating surfaces on both sides are connected by the top surface; in the direction from the inside to the outside, the farther the point of the first mating surface is from the center position of the disk body, the shorter the distance from the central axis of the plastic clip; the distance from the point on the first mating surface to the central axis of the plastic clip is not less than the distance from the point on the second mating surface to the central axis of the plastic clip; or The plastic clip is provided with a connecting arm and a connecting head, and the connecting arm is fixedly connected to the connecting head; with the center position of the plate body of the fixed plate as the inside and the direction of the outer edge of the plate body as the outside, transition fitting surfaces are respectively provided on both sides of the connecting head from the inside to the outside, and the transition fitting surfaces on both sides are connected by the top surface; in the direction from the inside to the outside, the farther the point of the transition fitting surface is from the center position of the plate body, the shorter the distance from the central axis of the plastic clip; The connector is also provided with a step surface for abutting against the support member when subjected to external force; The swing arm is provided with a shaft portion, support members on both sides and a top portion; The shaft is movably assembled in the through hole, the support members on both sides are respectively located on both sides of the disk body, the top is fixedly connected to the support members on both sides, and the top is matched with the connecting head, and the top is provided with a matching surface corresponding to the connecting head.

2. The two-way buckle device according to claim 1, characterized in that: At least one supporting member is respectively arranged on both sides of each plastic buckle, and the supporting member is fixedly connected to the plate body of the fixed plate, and the length D of the supporting member is shorter than the length H of the plastic buckle.

3. The two-way buckle device according to claim 2, characterized in that: The plate body of the fixed plate is provided with a through hole, the swing arm is movably assembled in the through hole, and the swing arm and the through hole are assembled with a gap.

4. The two-way buckle device according to claim 3, characterized in that: The connector has a symmetrical structure.

5. The two-way buckle device according to claim 4, characterized in that: The fixed plate is provided with a plurality of plastic buckles, and two to three supporting members are respectively provided on both sides of each plastic buckle.

6. The two-way buckle device according to claim 5, characterized in that: The disc body is in a circular ring shape, a plurality of plastic buckle parts are evenly distributed on the disc body, and a plurality of support parts are evenly distributed on the disc body.

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