CN103690294B - Neck support - Google Patents

Abstract

The invention discloses a neck brace, comprising: the chest panel clings to the neck of a wearer, the left and right side panels movably connected with the two sides of the chest panel, the chin support plate arranged between the left and right side panels, and the back plate arranged at the opposite side of the chest panel and detachably connected with the chest panel; the chest panel is provided with a knob with internal threads, and the knob is internally provided with a first gear and a second gear which are meshed with the internal threads. Compared with the prior art, the neck brace provided by the invention adopts the single knob to adjust the height of the neck brace, can adapt to different neck lengths only by rotating the knob according to different neck lengths of wearers, can adapt to different neck ring size requirements of patients of different ages through the design of the detachable back plate, and is convenient to operate.

Description

a neck brace

technical field

The invention relates to the field of medical devices, in particular to a height-adjustable neck collar.

Background technique

There are roughly two types of neck braces on the market today: non-height-adjustable and height-adjustable. For neck collars that cannot be adjusted in height, neck collars of different sizes need to be equipped to adapt to patients of different ages and neck lengths, so there will be many models with different sizes, which means an increase in development costs and follow-up for manufacturers. Increase of production cost; For the height-adjustable neck collars currently on the market, although the starting point is to hope to use one type of neck collar to be suitable for all or most patients, there are some shortcomings in its design, or The structure is too complicated, or it is inconvenient to operate when adjusting the height, or the effect of adjusting the height is not ideal.

Therefore, the prior art still needs to be improved and developed.

Contents of the invention

In view of the above deficiencies in the prior art, the purpose of the present invention is to provide a neck collar, which uses a single knob to adjust the height of the neck collar, and through the detachable backboard design, can adapt to patients of different ages and neck lengths, and is easy to operate .

Technical scheme of the present invention is as follows:

A neck brace, comprising: a chest panel closely attached to the wearer's neck, left and right side panels movably connected to both sides of the chest panel, a chin support plate arranged between the left and right side panels, and a backboard disposed on the opposite side of the chest panel and detachably connected to the chest panel;

A knob with an internal thread is arranged on the chest panel, and a first gear and a second gear meshing with the internal thread are arranged in the knob;

Wherein, a left-handed screw threaded on the axis of the first gear is connected with a left adjusting screw matching the radian of the left surface of the chest panel, and the left adjusting screw passes through the chest panel and is movably connected with the left panel ;

A right-hand screw threaded on the second gear axis is connected with a right adjusting screw matching the curvature of the right side surface of the chest panel, and the right adjusting screw passes through the chest panel and is movably connected with the right side panel.

In the neck collar, strip grooves are arranged symmetrically on both sides of the chest panel, and arc-shaped through grooves intersecting with the strip grooves are respectively arranged on the left and right side panels;

The left adjusting screw rod and the right adjusting screw rod pass through the bar-shaped groove and are movably connected in the arc-shaped through groove.

In the neck collar, one end of the chin support plate is connected to the left side panel, and the other end is connected to the right side panel.

The neck collar, wherein, also includes a panel cover set on the chest panel, the middle part of the panel cover is engaged with the chest panel, and the two ends of the panel cover extend to the left , the end of the right panel and is hinged together with the ends of the left and right panels.

In the neck collar, Velcro is provided on both sides of the panel cover, and the backboard is bound to the panel cover through a webbing with a fur surface.

In the neck collar, left and right gear covers are arranged on both sides of the knob, the first gear and the second gear are arranged between the left gear cover and the right gear cover, and It forms relative rotation with the left and right gear covers.

The neck collar, wherein the knob is located in the middle of the chest panel.

The neck collar, wherein, the chest panel is provided with a groove for placing the knob, and the panel cover is correspondingly provided with an opening for exposing the knob.

In the neck collar, lugs for guiding the left adjustment screw and the right adjustment screw are provided on both sides of the chest panel, and the rods of the left adjustment screw and the right adjustment screw are respectively Put it into the ear.

In the neck collar, sponge pads are provided on the inside of the chest panel and the back panel.

Beneficial effects of the present invention:

Compared with the prior art, the neck brace provided by the present invention adopts a single knob to adjust the height of the neck brace. According to the different neck lengths of the wearer, only the knob can be turned to adapt to different neck lengths, and the detachable The unique backboard design can adapt to the needs of different neck ring sizes for patients of different ages, and is easy to operate.

Description of drawings

Fig. 1 is a schematic structural view of a preferred embodiment of the neck collar of the present invention.

Fig. 2 is an exploded view of a preferred embodiment of the neck collar of the present invention.

Fig. 3 is a sectional view of a preferred embodiment of the neck collar of the present invention.

Fig. 4 is a schematic structural view of the knob part in the preferred embodiment of the neck collar of the present invention.

Detailed ways

The present invention provides a neck collar. In order to make the purpose, technical solution and effect of the present invention clearer and clearer, the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

Please refer to Fig. 1 and Fig. 2, Fig. 1 is a schematic structural view of a preferred embodiment of the neck collar of the present invention, and Fig. 2 is an exploded view of a preferred embodiment of the neck collar of the present invention.

1 and 2, the neck brace includes: a chest panel 100 that is close to the neck of the wearer, and a left side panel 210 and a right side panel 220 are movably connected on both sides of the chest panel 100. A chin support plate 300 is arranged between the panel 210 and the right side panel 220 to support the wearer's chin, and a backboard 400 is arranged on the opposite side of the chest panel 100 , and the backboard 400 is detachably connected to the chest panel 100 .

When the patient wears the neck brace, the chest panel 100 is pasted on the patient's chest and neck, the patient's chin is offset against the chin support plate 300, and then the back plate is installed.

Please refer to FIG. 3 , which is a cross-sectional view of a preferred embodiment of the neck collar of the present invention.

Further, as shown in FIG. 2 and FIG. 3 , a knob 500 for adjusting the chin support plate 300 is provided on the chest panel 100 . The knob 500 is internally provided with a circle of internal threads, and the knob 500 is provided with a The inner thread of the knob 500 meshes with the first gear 510 and the second gear 520 , and when the knob 500 is rotated, the first gear 510 and the second gear 520 rotate in the same direction.

Further, please refer to FIG. 4 , which is a structural schematic diagram of the knob part in a preferred embodiment of the neck collar of the present invention.

As shown in Figure 4, a left-handed screw rod 511 is connected with a left-hand thread on the axis of the first gear 510. Specifically, an internal thread is provided on the axis of the first gear 510, and the left adjustment screw 511 is connected to the first gear through the internal thread. 510 threaded connection. When the user turns the knob 500, the first gear 510, which is arranged in the knob 500 and meshes with its internal thread, also rotates, and the left adjusting screw 511 screwed with the first gear 510 is stretched in relative to the first gear 510. Or pull out (because one end of the left adjusting screw 511 is flexibly connected with the left side panel 210, the rotation of the left adjusting screw 511 is limited).

The left adjusting screw 511 is made of plastic material and can be deformed. Under the natural state, the left adjusting screw rod 511 is linear, and can be bent into an arc and be close to the chest panel 100 during assembly. A connection terminal is set at the end of the left adjusting screw rod 511 so that it can be connected with the chest panel 100 after passing through the chest panel 100. The left panel 210 activity links.

At the same time, the second gear 520 is also correspondingly provided with a right adjusting screw 521. The specific structure and connection are as described above, and will not be repeated here, but the difference between the right adjusting screw 521 and the left adjusting screw 511 is that the right adjusting screw 521 is Right-hand threaded connection, when the knob 500 is turned, the left adjusting screw 511 and the right adjusting screw 521 move in opposite directions respectively, and because the directions where the left adjusting screw 511 and the right adjusting screw 521 are located are the left and right sides, so the two The direction in and out of the reader is the same.

When adjusting the height of the chin support plate 300, turn the knob 500, the knob drives the first gear 510 and the second gear 520 to rotate, and at the same time, the left adjustment screw 511 and the right adjustment screw 521 are stretched in or out, while the left adjustment screw 511 And the right adjusting screw 521 is movably connected with the left side panel 210 and the right side panel 220 , drives the movement of the left side panel 210 and the right side panel 220 , thereby adjusting the height of the chin support plate 300 .

In this embodiment, the meshing between the knob and the gear, and the screw connection between the axis of the gear and the adjusting screw are adopted, and the effect is:

1) The height adjustment of the neck support can be achieved, that is, turning the knob to adjust the lifting of the chin support plate 300;

2) The height of the neck collar can be fine-tuned. With this structure, although the adjustment of the high-end of the neck collar is slow, it can achieve the most detailed fine-tuning of the neck collar to meet the user's best comfort height requirements (the fine-tuning part is mainly highlighted in the The screw connection structure of the first gear 510 (second gear 520 ) meshing inside the knob 500 and the left adjustment screw 511 (right adjustment screw 521 ) is known in the common field about the principle that the screw connection can achieve fine adjustment, and will not be repeated here. );

3) At the same time, it can also realize the self-locking function of the height adjustment of the neck brace, that is, when the neck brace is adjusted to a predetermined height, if the knob 500 is not turned, press the chin support plate 300 downward or pull up the chin support plate At 300°, the left adjusting screw 511 (right adjusting screw 521) will generate a rotating force on the first gear 510 (second gear 520), but the force is not strong enough to rotate the first gear meshing with the knob 500 510 (the second gear 520), therefore, the height self-locking function of the neck brace is formed, that is to say, the height of the neck brace can only be adjusted by turning the knob 500, and any external force on the neck brace cannot damage the knob 500 has the function of self-locking.

In a preferred embodiment of the present invention, as shown in FIG. 2 , the adjustment of the chin support plate 300 has a specific structural design, and strip-shaped grooves 101 are symmetrically arranged on both sides of the chest panel 100, and the strip-shaped grooves 101 have a certain slope. At the same time, on the left side panel 210 and the right side panel 220, an arc-shaped through groove 201 with a certain radian is correspondingly arranged. The radian is not specifically limited, and can be set according to actual production. The groove 201 has a cross point, which allows the end of the left adjustment screw 511 (right adjustment screw 521) to fit into it, specifically:

The connection end point of the left adjustment screw 511 (right adjustment screw 521) passes through the bar-shaped groove 101, and is flexibly connected in the arc-shaped through groove 201, in order to prevent the connection end point of the left adjustment screw 511 (right adjustment screw 521) from the arc shape To protrude from the through groove 201, it is better to install a rivet 5110 at the connecting end point of the left adjusting screw 511 (right adjusting screw 521) to limit the protruding of the left adjusting screw 511 (right adjusting screw 521), and it can also make the The chest panel 100 is joined together with a left side panel 210 and a right side panel 220 .

The left adjusting screw 511 (right adjusting screw 521 ) moves back and forth along the strip groove 101 , while the left side panel 210 and the right side panel 220 move along with the left adjusting screw 511 (right adjusting screw 521 ).

In a preferred embodiment of the present invention, the two ends of the chin support plate 300 are respectively arranged on the left side panel 210 and the right side panel 220. When the left side panel 210 and the right side panel 220 move up and down, the chin support plate 300 moves up and down movement, thereby adjusting the height of the chin support board 300.

In a preferred embodiment of the present invention, as shown in FIG. 3 , it also includes a panel cover 600, which is arranged on the chest panel 100, wherein the middle part of the panel cover 600 is engaged with the chest panel 100, and the two ends of the panel cover 600 Extend to both sides until it is flat with the ends of the left side panel 210 and the right side panel 220, while the panel cover 600 is hinged with the ends of the left side panel 210 and the right side panel 220, so that the left side panel 210 and the right side panel 220 A rotational connection may be formed relative to the panel cover 600 .

When the knob is turned, the left adjusting screw 511 (right adjusting screw 521) moves along the bar-shaped groove 101, and at the same time, the left adjusting screw 511 (right adjusting screw 521) pushes the left side panel 210 and the right side panel 220 through the arc-shaped slot 201 to The hinge point on the panel cover 600 is rotated as the center, thereby adjusting the lifting of the chin support plate 300 .

In a preferred embodiment of the present invention, as shown in Figure 1, for the detachable structure of the chest panel 100 and the backboard 400, the present embodiment is to set Velcro 610 on both sides of the panel cover 600, and then set the belt on the backboard. The webbing 410 with a furry surface, after the patient wears the front half of the neck collar (i.e. the chest panel 100), then the back panel 400 and the panel cover 600 are bound together by the webbing 410 and the Velcro 610. .

In a preferred embodiment of the present invention, as shown in Figure 2 and Figure 4, left and right gear covers are arranged on both sides of the knob, and the first gear and the second gear are arranged between the left gear cover and the second gear. Between the said right gear cover, and form relative rotation with said left and right gear cover, in the internal structural part of the knob 500, a left gear cover 531 and a right gear cover 532 are arranged on both sides of the knob, while the first gear 510 and The second gear 520 is arranged between the left gear cover 531 and the right gear cover 532, and forms a relative rotation with the left gear cover 531 and the right gear cover 532, and locks the left gear cover 531 and the right gear cover 532 by screws, so that The first gear 510 and the second gear 520 are sealed within the knob 500 .

In a preferred embodiment of the present invention, preferably, the knob 500 is arranged in the middle of the chest panel, so as to achieve balance between the left panel 210 and the right panel 220 on both sides.

Further, as shown in FIG. 2 , a groove or mounting seat for placing the knob 500 is correspondingly provided on the chest panel 100 , and an opening 601 for exposing the knob 500 is provided on the panel cover 600 .

In a preferred embodiment of the present invention, as shown in Figure 2, the two sides of the chest panel 100 are also provided with lugs 103 for guiding the left adjusting screw 511 (right adjusting screw 521), and the left adjusting screw 511 (right adjusting screw 521) The rod part is inserted into the lug 103.

In a preferred embodiment of the present invention, as shown in FIG. 1 , a sponge pad 700 may be provided inside the chest panel 100 and the back panel 400 in consideration of the patient's comfort when worn.

To sum up, the neck collar provided by the present invention adopts a single knob to adjust the height of the neck collar. According to the different neck lengths of the wearer, it can be adapted to different neck lengths only by rotating the knob, and through the detachable back The plate design can adapt to the needs of different neck ring sizes for patients of different ages, and is easy to operate.

It should be understood that the application of the present invention is not limited to the above examples, and those skilled in the art can make improvements or transformations according to the above descriptions, and all these improvements and transformations should belong to the protection scope of the appended claims of the present invention.

Claims (8)

1. A neck collar, it is characterized in that, comprises: the chest panel that is close to wearer's neck, the left and right side panel that is movably connected with described chest panel both sides, is arranged between described left and right side panel The chin support plate between, and the back plate that is arranged on the opposite side of the chest panel and is detachably connected with the chest panel; A knob with an internal thread is arranged on the chest panel, and a first gear and a second gear meshing with the internal thread are arranged in the knob; Wherein, a left-handed screw threaded on the axis of the first gear is connected with a left adjusting screw matching the radian of the left surface of the chest panel, and the left adjusting screw passes through the chest panel and is movably connected with the left panel ; The second gear axis is connected with a right-hand thread that matches the curvature of the right side surface of the chest panel, and the right adjustment screw passes through the chest panel and is movably connected with the right side panel; One end of the chin support plate is connected to the left side panel, and the other end is connected to the right side panel; It also includes a panel cover set on the chest panel, the middle part of the panel cover is engaged with the chest panel, the two ends of the panel cover extend to the ends of the left and right side panels and Hinged together with the ends of the left and right side panels. 2. The neck collar according to claim 1, characterized in that, both sides of the chest panel are symmetrically provided with bar-shaped grooves, and the left and right side panels are respectively provided with arc-shaped slots; The left adjusting screw rod and the right adjusting screw rod pass through the bar-shaped groove and are movably connected in the arc-shaped through groove. 3. The neck collar according to claim 1, characterized in that Velcro is provided on both sides of the panel cover, and the backboard is bound together with the panel cover by a webbing with a rough surface . 4. The neck collar according to claim 1, wherein left and right gear covers are arranged on both sides of the knob, and the first gear and the second gear are arranged between the left gear cover and the left gear cover. Between said right gear cover, and form relative rotation with said left and right gear cover. 5. The neck collar of claim 1, wherein the knob is located in the middle of the chest panel. 6 . The neck collar according to claim 5 , wherein the chest panel is provided with a groove for placing the knob, and the panel cover is correspondingly provided with an opening for exposing the knob. 7. The neck collar according to claim 1, characterized in that, both sides of the chest panel are also provided with lugs for guiding the left adjustment screw rod and the right adjustment screw rod, and the left adjustment screw rod and the right adjustment screw rod The rods of the right adjusting screw are inserted into the lugs respectively. 8 . The neck collar according to claim 1 , wherein a sponge pad is provided on the inner side of the chest panel and the back panel. 8 .