CN115778794A - Cardio-pulmonary resuscitation pressing device - Google Patents

Abstract

The invention discloses a cardio-pulmonary resuscitation pressing device, which comprises a main machine and a binding belt, wherein the main machine comprises a rotary driving part, a first moving part, a second moving part and a shell for supporting the parts; the first moving part and the second moving part are respectively connected with two ends of the binding band, the first moving part and the second moving part are driven by the rotary driving part to move synchronously, and the moving directions of the first moving part and the second moving part are opposite to drive the binding band to move relative to the host; and the pressing piece is arranged on one side of the host towards the binding band and is connected with the first moving part and the second moving part through the linkage assembly, so that the first moving part and the second moving part are driven to move away from or close to the host when moving synchronously. The invention has reasonable and compact structure and smaller volume, can reduce the pressing depth and the contraction length and simultaneously can achieve the due pressing quality, thereby reducing the harm to patients.

Description

Cardio-pulmonary resuscitation pressing device

Technical Field

The invention relates to the field of cardio-pulmonary resuscitation pressing equipment, in particular to a cardio-pulmonary resuscitation pressing device.

Background

At present, cardiopulmonary resuscitation press device is used in the first aid of academy mostly, present cardiopulmonary resuscitation press device is many that direct setting pushes down the part single-point and presses down the patient chest, the range of pressing of common cardiopulmonary resuscitation press device is limited, the unable perfusion blood flow to heart and brain that effectively improves of this kind of mode, and present press head area is smaller, press the depth ratio great, and cause the injury to the patient easily, and the volume ratio of present cardiopulmonary resuscitation press device is bigger, the height ratio of instrument is higher, it is inconvenient to carry the operation to the first aid of academy, can't use the patient on one's body fast.

Disclosure of Invention

The cardio-pulmonary resuscitation pressing device provided by the invention has the advantages of reasonable and compact structure, smaller volume and large pressing area, and can reduce the pressing depth and the contraction length and achieve the due pressing quality, thereby reducing the injury to patients.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a cardiopulmonary resuscitation press, includes host computer and bandage, still includes:

the main machine comprises a rotary driving part, a first moving part, a second moving part and a shell for supporting the parts;

the first moving part and the second moving part are respectively connected with two ends of the binding belt, the first moving part and the second moving part are driven by the rotary driving part to move synchronously, and the moving directions of the first moving part and the second moving part are opposite to drive the binding belt to move relative to the main machine;

the pushing piece is arranged on one side of the host, and is connected with the first moving part and the second moving part through the linkage assembly, so that the first moving part and the second moving part are driven to move away from or close to the host when moving synchronously.

Preferably, the rotary drive member is a thin motor.

Preferably, the output end of the rotation driving component is provided with a driving gear, the first moving component and the second moving component are both provided with racks, and the driving gear is meshed with the racks on the first moving component and the second moving component simultaneously.

Preferably, the first moving part and the second moving part are in a long strip-shaped structure, strip-shaped hollow grooves are formed in the first moving part and the second moving part, racks are arranged on the side walls of the strip-shaped hollow grooves of the first moving part and the second moving part, the first moving part and the second moving part are placed in a stacked mode, and the driving gear is embedded into the strip-shaped hollow grooves and meshed with the racks.

Preferably, the linkage assembly comprises at least one connecting rod respectively connected with two sides of the lower pressing piece, one end of each connecting rod is rotatably connected with the lower pressing piece, and the other end of each connecting rod is rotatably connected with the corresponding first moving part or the corresponding second moving part.

Preferably, the lower pressing piece is provided with at least one guide post, and the guide post is inserted into a corresponding guide jack on the main machine.

Preferably, at least one bandage hook is arranged at the end part of the first moving part and the second moving part, and the end part of the bandage is hung on the bandage hook.

Preferably, an inner groove for placing a power supply is formed in the lower pressing piece.

Preferably, a speed reduction mechanism is provided between the output end of the rotary drive member and the drive gear.

Preferably, a limiting groove is formed in the housing of the main machine, and the first moving part and the second moving part are both located in the limiting groove.

Compared with the prior art, the invention has the beneficial effects that:

(1) Simple structure is compact, and the host computer overall height is low, the volume of the pressing device that has significantly reduced, and whole focus is low, and convenient to carry can wear fast and use on one's body at the patient, and is more stable when using, satisfies the needs of pre-hospital first aid.

(2) Utilize link gear to drive when first removal part and second removal part remove and push down the piece and push down, guaranteed that the shrink of bandage and the action that pushes down the piece and push down can go on in step, can reduce like this and press the due quality of pressing that also can reach when degree of depth and shrink length to reduce the injury to the patient.

Drawings

FIG. 1 is a front view structural diagram of the present invention;

FIG. 2 is a front view of a half section of the present invention;

FIG. 3 is a perspective view of the body of the first embodiment of the present invention;

FIG. 4 is a perspective view of the interior of the housing according to the first embodiment of the present invention;

FIG. 5 is a perspective view of the hold-down member of the present invention;

FIG. 6 is a schematic diagram of the original state and the contracted state of the body according to the present invention;

FIG. 7 is a partial perspective view of a second embodiment of the present invention;

FIG. 8 is a partial top view block diagram of a second embodiment of the present invention;

FIG. 9 is a partial perspective view of a third embodiment of the present invention;

FIG. 10 is a partial top view structural diagram of a third embodiment of the present invention;

FIG. 11 is a partial half sectional view in elevation of a third embodiment of the present invention;

FIG. 12 is a partial perspective view of a fourth embodiment of the present invention;

fig. 13 is a partial top structural view of a fourth embodiment of the present invention.

Reference numerals: 1. the main frame 11, the convex rib 2, the binding band 21, the driving turntable 22, the hollow groove 23, the arc convex surface 24, the convex part 25, the convex guide strip 26, the concave part 3, the lower pressing piece 31, the guide post 32, the concave groove 4, the rotary driving part 41, the slide block 42, the kidney-shaped through hole 43, the synchronous driving gear 44, the driving gear 45, the guide post 46, the annular guide groove 5, the first moving part 51, the incomplete gear 52, the first gear 53, the transition gear 54, the second gear 6, the second moving part 7, the guide jack 8, the connecting rod 9, the binding band hook 10, the driving gear a, the second distance b, the third distance c, the first distance.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-6, the invention relates to a cardiopulmonary resuscitation pressing device, comprising a main machine 1 and a binding belt 2, wherein the main machine 1 comprises a rotary driving part 4, a first moving part 5, a second moving part 6 and a shell for supporting the above parts;

the first moving part 5 and the second moving part 6 are respectively connected with two ends of the binding band 2, the first moving part 5 and the second moving part 6 are driven by the rotary driving part 4 to move synchronously, and the moving directions of the first moving part 5 and the second moving part 6 are opposite, so that the binding band 2 is driven to move relative to the main machine 1;

and the lower pressing piece 3 is arranged on one side of the main machine 1 facing the binding band 2, and the lower pressing piece 3 is connected with the first moving part 5 and the second moving part 6 through the linkage assembly, so that the first moving part 5 and the second moving part 6 are driven to move away from or close to the main machine 1 when moving synchronously.

In this embodiment, the rotation driving component 4 is used as an output component of the rotation power, and can synchronously drive the first moving component 5 and the second moving component 6 to do relative translational motion, when the first moving component 5 and the second moving component 6 translate, the portion of the bandage 2 can be pulled into the main machine 1, and when the first moving component 5 and the second moving component 6 move inwards, the pressing component 3 can be driven to do pressing motion through the linkage component, so that two functions can be simultaneously realized through the movement of the first moving component 5 and the second moving component 6, the synchronism is ensured, and the external chest pressing effect of the patient is better.

As a preferred embodiment, the rotary driving member 4 is a thin motor, which can reduce the overall height of the main body 1 and make the volume of the whole cpr pressing device smaller, and as a first embodiment in which the rotary driving member 4 drives the first moving member 5 and the second moving member 6 to move relatively, as shown in fig. 2 to 3, a driving gear 10 is provided at the output end of the rotary driving member 4, racks are provided on the first moving member 5 and the second moving member 6, the driving gear 10 is simultaneously engaged with the racks on the first moving member 5 and the second moving member 6, the first moving member 5 and the second moving member 6 can be simultaneously driven by one driving gear 10, and the rack-and-pinion transmission is a stable and reliable transmission method.

On the basis of the above embodiment, as shown in fig. 4, the first moving member 5 and the second moving member 6 are strip-shaped structures, strip-shaped hollow grooves are formed in the strip-shaped structures, the strip-shaped hollow grooves are closed, racks are arranged on the side walls of the strip-shaped hollow grooves of the first moving member 5 and the second moving member 6, the width of the strip-shaped hollow grooves is matched with the driving gear 10, and the first moving member 5 and the second moving member 6 are stacked, so that the relative movement of the first moving member 5 and the second moving member 6 can be more stable, the driving gear 10 is embedded into the strip-shaped hollow grooves to be meshed with the racks, and the driving gear 10 is always located in the strip-shaped hollow grooves of the first moving member 5 and the second moving member 6.

As a second embodiment of the relative movement of the first moving member 5 and the second moving member 6 driven by the rotary driving member 4, as shown in fig. 7-8, two driving rotating discs 21 are stacked on the output end of the rotary driving member 4, the two driving rotating discs 21 are arranged in a staggered manner around the output end of the rotary driving member 4 and respectively correspond to the hollow grooves 22 on the first moving member 5 and the second moving member 6, the driving rotating discs 21 are in an equilateral polygon structure, the number of the driving rotating discs 21 is singular, and the offset angle between the two driving rotating discs 21 is related to the number of the equilateral driving rotating discs 21, specifically, it is ensured that one vertex angle on one of the driving rotating discs 21 is located at the middle position between two adjacent vertex angles of the other driving rotating disc 21.

In this embodiment, the equilateral middle of the driving turntable 21 forms an inner concave portion 26, two opposite inner side walls perpendicular to the moving direction of the first moving component 5 and the second moving component 6 on the hollow groove 22 are relatively provided with protruding portions 24, wherein line segments of all straight lines passing through the center point of the driving turntable 21 and cut by the edge of the driving turntable 21 are equal in length, the protruding portions 24 on two sides are sequentially and alternately matched with the inner concave portion 26 when the driving turntable 21 rotates, so that the first moving component 5 and the second moving component 6 can be driven to synchronously move in opposite directions, and the structure enables the first moving component 5 and the second moving component 6 to generate a larger pulling force when moving, and the effect of external chest compression is better.

In this embodiment, as shown in fig. 8, a distance between the opposite protruding portions 24 is a first distance c, a distance between a center point of the driving turntable 21 and a vertex thereof is a second distance a, and a distance between the center point of the driving turntable 21 and the concave portion 26 thereof is a third distance b, wherein a magnitude relationship among the first distance c, the second distance a, and the third distance b is: a + b is more than or equal to c and less than 2a, the size relation can ensure that the convex parts 24 on the two sides can be sequentially and alternately matched with the concave parts 26 when the driving turntable 21 rotates, the clamping condition cannot be caused, as an optimal scheme, the sum of the second distance a and the third distance b is equal to the first distance c, the contact matching between the concave parts 26 of the driving turntable 21 and the corresponding convex parts 24 is smoother due to the matching, and the noise and the vibration during the working are smaller.

In this embodiment, as the preferred scheme, the both sides of drive carousel 21 apex angle all be provided with arc convex surface 23, arc convex surface 23 form corresponding interior concave part 26, arc convex surface 23 makes the effort between interior concave part 26 and the bellying 24 along arc edge tangential, is difficult to appear blocking, the contact cooperation is more smooth and easy.

In the present embodiment, the driving dial 21 has a regular triangle structure or a regular pentagon structure, such as the driving dial 21 having a regular triangle structure in fig. 7-8, or may have a regular pentagon structure, and may be selected according to the moving distance of the first moving member 5 and the second moving member 6 and the contraction frequency of the strap.

As a third embodiment of the relative movement of the first moving member 5 and the second moving member 6 driven by the rotary driving member 4, as shown in fig. 9-11, the first moving member 5 and the second moving member 6 are both provided with a sliding block 41 in an embedded manner, the two sliding blocks 41 are provided with a kidney-shaped through hole 42 corresponding to the position, the side wall of the kidney-shaped through hole 42 is provided with a rack, the corresponding kidney-shaped through hole 42 is provided with a synchronous driving gear 43 engaged with the rack, the sliding blocks 41 in the first moving member 5 and the second moving member 6 can move in the horizontal front-back and left-right directions by the engagement of the synchronous driving gear 43 with the rack arranged along the edge of the kidney-shaped through hole 42 when the synchronous driving gear 43 rotates, the first moving member 5 and the second moving member 6 can be driven to move synchronously when the sliding blocks 41 move leftwards and rightwards, the relative positions of the synchronous driving gear 43 in the kidney-shaped through holes 32 in the first moving member 5 and the second moving member 6 are different, for example, as shown in fig. 9, the synchronous driving gear 43 is engaged with the kidney-shaped through hole 42 in the left end of the first moving member 5 and the second moving member 6, so that the two kidney-shaped through holes 41 are engaged with the synchronous driving gear 43.

In this embodiment, the left and right edges of the slider 41 are provided with guide grooves, the inner side walls of the corresponding first moving member 5 and second moving member 6 are provided with protruding guide strips 25 embedded into the guide grooves, and similarly, guide structures matching the guide grooves and the protruding guide strips 25 are also provided between the front and rear side walls of the first moving member 5 and second moving member 6 and the host 1, so that the slider 41, the first moving member 5, and the second moving member 6 can slide more smoothly.

In this embodiment, the output end of the rotation driving component 4 is provided with a driving gear 44, two sides of the driving gear 44 are synchronously engaged with a synchronous driving gear 43, and two sliders 41 are provided with a kidney-shaped through hole 42 corresponding to the synchronous driving gear 43 side by side, so that the synchronous rotation of the two synchronous driving gears 43 can be ensured, and the situation of blocking is not easy to occur.

In this embodiment, the first moving member 5 and the second moving member 6 are both provided with an annular guide groove 46, the housing is provided with a guide post 45 embedded into the corresponding annular guide groove 46, when the first moving member 5 and the second moving member 6 move, the guide post 45 guides and moves along the annular guide groove 46, and the guide post 45 and the annular guide groove 46 are matched to fix the moving track of the slider 41, so that a good guiding effect can be achieved.

As a fourth embodiment of the relative movement of the first moving member 5 and the second moving member 6 driven by the rotary driving member 4, as shown in fig. 12-13, an incomplete gear 51 is disposed at the output end of the rotary driving member 4, racks are disposed on the first moving member 5 and the second moving member 6 along the moving direction of the first moving member and the second moving member, the incomplete gear 51 is engaged with the racks on the first moving member 5 or the second moving member 6, wherein the racks on the first moving member 5 or the second moving member 6 engaged with the incomplete gear 51 are a pair of racks disposed side by side and oppositely, the incomplete gear 51 is engaged with the two opposite racks alternately to move the first moving member 5 or the second moving member 6 back and forth, and the first moving member 5 or the second moving member 6 are connected by a reverse linkage mechanism to move the first moving member 5 or the second moving member 6 synchronously and relatively and reversely, in this embodiment, the continuous synchronous reverse movement of the first moving member 5 and the second moving member 6 can be realized by the unidirectional rotation of the incomplete gear 51, and the control requirement of the rotary driving member 4 is reduced.

In the present embodiment, as a preferable scheme of the reverse linkage mechanism, the reverse linkage mechanism includes a first gear 52, a second gear 54 and a transition gear 53 disposed between the first gear 52 and the second gear 54, the first gear 52 and the second gear 54 are respectively in transmission connection with one of the first moving member 5 and the second moving member 6, the first gear 52, the second gear 54 and the transition gear 53 are disposed side by side and can be disposed on one side of the incomplete gear 51, so that the position of the whole transmission mechanism is more concentrated.

In addition, as shown in fig. 4, as a preferable supplementary solution, a limit groove is provided inside the main frame 1, the first moving member 5 and the second moving member 6 are both located in the limit groove, and the rapid movement of the first moving member 5 and the second moving member 6 can be limited, as a specific embodiment of the limit groove, a pair of convex ribs 11 are provided side by side inside the main frame 1, the limit groove is formed between the convex ribs 11, or the limit groove can be formed by directly slotting on the bottom surface inside the main frame 1, as long as the limit of the first moving member 5 and the second moving member 6 can be formed.

In order to output a relatively large torque, a speed reduction mechanism may be disposed between the output end of the rotation driving member 4 and the driving gear 10, the speed reduction mechanism is preferably a planetary speed reducer, which may be designed to have a flat structure without occupying a relatively large space, and the speed reduction ratio of the planetary speed reducer may be customized according to requirements, so that the planetary speed reducer and the thin motor may be designed to have an integrated structure, and the structure is more compact.

As shown in fig. 4, as an embodiment of the linkage assembly, the linkage assembly is at least one connecting rod 8 respectively connected to two sides of the pressing member 3, one end of the connecting rod 8 is rotatably connected to the pressing member 3, and the other end is rotatably connected to the corresponding first moving member 5 or second moving member 6, in this embodiment, preferably, 4 connecting rods 8 are respectively arranged side by side on two sides of the pressing member 3, in order to improve the synchronization of the rotation, one end of each connecting rod 8 on the same side may be connected to one end of the corresponding connecting rod through a rotating shaft, the rotating shaft is connected to the first moving member 5 or the second moving member 6, and the rotating shaft rotates around the first moving member 5 or the second moving member 6 to achieve the synchronous rotation of the connecting rods 8 on two sides.

As shown in fig. 6, when the first moving member 5 and the second moving member 6 move relatively, the connecting rod 8 pushes the pressing member 3 downwards to squeeze the chest of the patient, and when the first moving member 5 and the second moving member 6 move away from each other, the connecting rod 8 can pull the pressing member 3 back to be close to the main body 1.

Meanwhile, as the pressing frequency of the pressing device is 102 times/minute, the frequency is fast, in order to guide the movement of the pressing piece 3, at least one guide post 31 is arranged on the pressing piece 3, the guide post 31 is inserted into the corresponding guide jack 7 on the main machine 1, as shown in fig. 4, 4 guide posts 31 can be arranged on the back of the pressing piece 3 in a rectangular shape, so that the guiding stress is more stable, the guide jack 7 can be arranged on the corresponding convex post on the main machine 1, so that the guide post 31 can be always positioned in the guide jack 7, the fast movement of the pressing piece 3 is more stable, of course, the guide structures can be various, the structure of the guide post is the most common one, the cross-shaped guide structure can also be used, and the positions of the guide jack 7 and the guide post 31 can also be interchanged.

As a connection mode between the first moving component 5 and the second moving component 6 and the bandage, as shown in fig. 4, at least one bandage hook 9 is disposed at the end of the first moving component 5 and the second moving component 6, a connecting shaft is disposed at the end of the first moving component 5 and the second moving component 6, the opening of the bandage hook 9 is upward and disposed at both ends of the connecting shaft, the end of the bandage 2 is also disposed with the connecting shaft and can be directly hung on the bandage hook 9, which is beneficial for the quick connection and the quick detachment of the presser, or a fastening member for the bandage hook 9 to hook is disposed at the end of the first moving component 5 and the second moving component 6, such as a ring fastener or a direct buckle hole.

Meanwhile, the connecting shafts at the ends of the first moving member 5 and the second moving member 6 are also rotatably connected with one end of the connecting rod 8.

As shown in fig. 5, the lower pressing member 3 is flat, has a relatively large pressing area, and may be square, circular, etc., an inner groove 32 for placing a power supply is provided inside, the power supply has many types, may be a dc power supply battery pack, or may be a common rechargeable battery, the shape of the inner groove 32 may be designed according to the shape of the power supply, for example, a plurality of arc-shaped grooves are provided, or a multi-layer structure is provided, so that the thickness of the lower pressing member 3 may be effectively utilized to install components, the height of the pressing device is reduced, electrical components such as a controller may be installed in the inner groove 32, and the electrical components are directly communicated with the power supply more compactly.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used for explaining the relative position relationship between the components in a specific posture (as shown in the drawings), the motion situation, and the like, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Claims (10)

1. The utility model provides a cardiopulmonary resuscitation press device, includes host computer (1) and bandage (2), its characterized in that:

the main machine (1) comprises a rotary driving part (4), a first moving part (5), a second moving part (6) and a shell for supporting the parts;

the first moving part (5) and the second moving part (6) are respectively connected with two ends of the binding belt (2), the first moving part (5) and the second moving part (6) are driven by the rotary driving part (4) to move synchronously, and the moving directions of the first moving part (5) and the second moving part (6) are opposite to drive the binding belt (2) to move relative to the main machine (1);

push down piece (3), set up the one side at host computer (1), push down piece (3) and link to each other with first removal part (5) and second removal part (6) through the linkage subassembly for drive during first removal part (5) and second removal part (6) synchronous movement push down piece (3) and remove and keep away from or be close to host computer (1).

2. Cardiopulmonary resuscitation depressor of claim 1, wherein: the output end of the rotary driving component (4) is provided with a driving gear (10), the first moving component (5) and the second moving component (6) are respectively provided with a rack, and the driving gear (10) is meshed with the racks on the first moving component (5) and the second moving component (6) at the same time.

3. The cardiopulmonary resuscitation compressor of claim 2, wherein: first moving part (5) and second moving part (6) be rectangular banding structure, be provided with bar fretwork groove on it, the bar fretwork groove lateral wall of first moving part (5) and second moving part (6) on be provided with the rack, first moving part (5) and second moving part (6) stack up and place, drive gear (10) imbed in the bar fretwork groove and mesh mutually with the rack.

4. Cardiopulmonary resuscitation depressor of claim 1, wherein: the linkage assembly comprises at least one connecting rod (8) connected with two sides of the lower pressing piece (3) respectively, one end of each connecting rod (8) is rotatably connected with the lower pressing piece (3), and the other end of each connecting rod is rotatably connected with the corresponding first moving part (5) or the corresponding second moving part (6).

5. Cardiopulmonary resuscitation depressor of claim 4, wherein: the lower pressing piece (3) is provided with at least one guide post (31), and the guide post (31) is inserted into a corresponding guide jack (7) on the host (1).

6. Cardiopulmonary resuscitation depressor of claim 1, wherein: the rotary driving component (4) is a thin motor.

7. Cardiopulmonary resuscitation depressor of claim 1, wherein: the end parts of the first moving part (5) and the second moving part (6) are provided with at least one bandage hook (9), and the end part of the bandage (2) is hung on the bandage hook (9).

8. Cardiopulmonary resuscitation depressor of claim 1, wherein: an inner groove (32) for placing a power supply is formed in the lower pressing piece (3).

9. The cardiopulmonary resuscitation depressor of claim 2, wherein: a speed reducing mechanism is arranged between the output end of the rotary driving component (4) and the driving gear (10).

10. Cardiopulmonary resuscitation depressor of claim 1, wherein: a limiting groove is formed in the shell of the main machine (1), and the first moving part (5) and the second moving part (6) are located in the limiting groove.

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