CN217773010U - Automatic external defibrillator - Google Patents

Abstract

The utility model provides an automatic external defibrillator, its casing is sealed reliable, can carry out reliable water proof to inside electrical component. The shell of the automatic external defibrillator comprises an upper shell, a lower shell and an installation space, and an annular butt-joint seam is formed between the upper shell and the lower shell; an annular elastic sealing part is arranged on the butt joint, an upper annular clamping groove and a lower annular clamping groove are formed in the elastic sealing part, the upper clamping groove and the lower clamping groove are arranged oppositely, notches deviate from each other, an upper shell circumferential side plate is clamped in the upper clamping groove, and a lower shell circumferential side plate is clamped in the lower clamping groove. The elastic sealing part can seal the butt joint between the upper shell and the lower shell, so that the shell of the defibrillator is sealed reliably, and moisture or humidity is effectively prevented from entering the interior of the defibrillator from the butt joint, and the internal electrical elements are protected from water reliably; go up draw-in groove and draw-in groove down and can also play the positioning action to closing of last casing and lower casing, improve and close the precision, be favorable to improving packaging efficiency.

Description

Automatic external defibrillator

Technical Field

The utility model belongs to the technical field of medical instrument, especially, relate to the institutional advancement of automatic external defibrillator.

Background

An Automated External Defibrillator (AED), also known as an automatic external shock, automatic defibrillator, cardiac defibrillator, etc., is a portable medical device that can diagnose a particular arrhythmia and deliver shock defibrillation, and is a medical device used by non-medical professionals to rescue a cardiac arrest victim.

Because the AED has the advantages of convenient carrying, easy operation by non-medical professionals, and the like, the AED can be used for striving for the best rescue time for patients, and at present, more and more public places such as airports, stations, schools, and the like are provided with the AED. Some AEDs are stored outdoors, such as on outdoor walls, and the like, and during the outdoor storage process, because the outdoor environment is not controllable, such as rainy and snowy weather, moisture or humidity enters the inside of the case from gaps, so that the risk of short circuit or corrosion of electric elements inside the AED occurs, the use reliability of the product is affected, and therefore, the case of the AED equipment needs to have good sealing performance; meanwhile, the AED stored indoors can be carried outdoors for use in some emergency situations, and the sealing performance of the case of the AED equipment is also high.

The major structural components of an AED typically include a case and mechanical structural components and electrical components within the case. In the prior art, the AED is sealed by arranging a sealing groove at the butt joint part of the shell, and arranging an annular sealing ring in the sealing groove, so that the assembly is inconvenient, and the disassembly and the assembly are easy to lose efficacy.

SUMMERY OF THE UTILITY MODEL

The utility model provides an automatic external defibrillator, its casing seal is reliable, can carry out reliable water proof protection to inside electrical component to solving the above-mentioned problem that prior art exists.

In order to achieve the technical effects, the technical scheme adopted by the utility model is that the automatic external defibrillator comprises a shell, wherein the shell comprises an upper shell, a lower shell and an installation space positioned between the upper shell and the lower shell, the upper shell and the lower shell are folded and fixedly connected into a whole, and an annular butt-joint seam is arranged between the upper shell and the lower shell; the butt joint is provided with an annular elastic sealing part, the elastic sealing part is provided with an annular upper clamping groove and an annular lower clamping groove, the upper clamping groove and the lower clamping groove are oppositely arranged, notches of the upper clamping groove and the lower clamping groove are deviated, a circumferential side plate of the upper shell is clamped in the upper clamping groove, and a circumferential side plate of the lower shell is clamped in the lower clamping groove.

The lower end face of the circumferential side plate of the upper shell is abutted with the bottom surface of the upper clamping groove in a fitting manner, and the side face of the circumferential side plate of the upper shell is abutted with the side face of the upper clamping groove in a fitting manner; the upper end face of the circumferential side plate of the lower shell is attached to the bottom face of the lower clamping groove in an abutting mode, and the side face of the circumferential side plate of the lower shell is attached to the side face of the lower clamping groove in an abutting mode.

In the side surface of the upper clamping groove, the height of the outer side surface is greater than that of the inner side surface; in the side face of the lower clamping groove, the height of the outer side face is larger than that of the inner side face.

An upper limiting boss is formed on the outer wall of the circumferential side plate of the upper shell, a lower limiting boss is formed on the outer wall of the circumferential side plate of the lower shell, the top end of the outer groove wall of the upper clamping groove abuts against the upper limiting boss, and the bottom end of the outer groove wall of the lower clamping groove abuts against the lower limiting boss.

The inner side surface of the upper clamping groove is provided with an upper guide inclined surface so that the notch of the upper clamping groove is open, and the inner side surface of the lower clamping groove is provided with a lower guide inclined surface so that the notch of the lower clamping groove is open.

The lower surface of the top plate of the upper shell is provided with a horn assembly positioned in the mounting space, and the horn assembly comprises a cylindrical mounting part, a horn body mounted in the mounting part and a sealing gasket; one end of the mounting part is fixedly connected to the upper shell, the other end of the mounting part is a through end, and a sound outlet is distributed in the position, corresponding to the mounting part, of the upper shell; the sealing washer is established the installation department with in order to seal between the loudspeaker body the installation department with annular gap between the loudspeaker body.

An annular sealing groove is formed in the inner wall of the sealing washer, an annular protruding portion is arranged at the upper end of the horn body and embedded into the annular sealing groove in an interference fit mode.

Form annular spacing convex part on seal ring's the inner wall, the middle part of loudspeaker body has the step portion, the step portion supports and leans on annular spacing convex part, the lower extreme circumference outer wall of loudspeaker body with the laminating of the inner wall of annular spacing convex part.

The annular limiting convex part is provided with a wiring gap part.

The inner wall of the mounting part is circumferentially provided with a plurality of limiting ribs above the sealing washer, and the upper end face of the sealing washer is abutted against the lower end of the limiting ribs.

Compared with the prior art, the utility model has the advantages of it is following and positive effect:

1. the utility model discloses the joint of the upper casing and the lower casing of automatic external defibrillator disposes annular elastic sealing part, elastic sealing part is last to be equipped with annular upper clamping groove and lower draw-in groove, upper clamping groove and lower draw-in groove set up relatively and the notch deviates from, the circumference curb plate card of upper casing is established in upper clamping groove, the circumference curb plate card of lower casing is established in lower draw-in groove, make elastic sealing part will seal up the joint from the inside and outside both sides of upper casing and lower casing butt joint, make defibrillator casing sealed reliable, difficult inefficacy, effectively prevent moisture or moisture from entering into defibrillator inside from this butt joint gap, thereby carry out reliable waterproof protection to internal electrical element;

2. the upper clamping groove and the lower clamping groove on the elastic sealing part can also play a role in positioning the upper shell and the lower shell in an involutive manner, involutive precision is improved, the elastic sealing part, the upper shell and the lower shell are conveniently assembled, and assembly efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a perspective view of an automatic external defibrillator according to an embodiment of the present invention;

fig. 2 is a front view of an automatic external defibrillator according to an embodiment of the present invention;

FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of the portion B of FIG. 3;

fig. 5 is a perspective view of an elastomeric seal component of an automatic external defibrillator in accordance with an embodiment of the present invention;

FIG. 6 is a front view of FIG. 5;

FIG. 7 is a cross-sectional view taken along line C-C of FIG. 6;

FIG. 8 is an enlarged view of section D of FIG. 7;

FIG. 9 is a sectional view taken along line F-F of FIG. 2;

FIG. 10 is an enlarged view of section E of FIG. 9;

fig. 11 is a bottom perspective view of a horn assembly of an automatic external defibrillator according to an embodiment of the present invention;

fig. 12 is a perspective view of a seal gasket for a horn assembly of an automatic external defibrillator according to an embodiment of the present invention.

Reference numerals: 100. a housing; 110. an upper housing; 111. an upper housing top plate; 112. an upper housing circumferential side plate; 113. an upper limiting boss; 114. a sound outlet; 120. a lower housing; 121. a lower housing floor; 122. a lower housing circumferential side plate; 123. a lower limiting boss; 130. an installation space; 140. butt seaming; 200. an elastic sealing member; 210. an upper clamping groove; 211. the outer side surface of the upper clamping groove; 212. the inner side surface of the upper clamping groove; 213. an upper guide inclined plane; 220. a lower clamping groove; 221. the outer side surface of the lower clamping groove; 222. the inner side surface of the lower clamping groove; 223. a lower guide slope; 300. a horn assembly; 310. an installation part; 311. limiting ribs; 320. a horn body; 321. an annular projection; 322. a step portion; 330. a sealing gasket; 331. an annular seal groove; 332. an annular limit convex part; 333. a wiring gap part.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 to 8, the automatic external defibrillator of the present embodiment includes a housing 100, the housing 100 includes an upper housing 110, a lower housing 120, and an installation space 130 between the upper housing 110 and the lower housing 120, and related electrical components of the defibrillator and the like are disposed in the installation space 130. The upper shell 110 is in a rectangular box shape with an open bottom surface, namely comprises an upper shell top plate 111 and an upper shell circumferential side plate 112, the lower shell 120 is in a rectangular box shape with an open top surface, namely comprises a lower shell bottom plate 121 and a lower shell circumferential side plate 122, the upper shell 110 and the lower shell 120 are vertically butted and fixedly connected into a whole through a plurality of screws, and an annular butted seam 140 is formed between the upper shell 110 and the lower shell 120; an annular elastic sealing part 200 is configured on the joint 140, an annular upper clamping groove 210 and an annular lower clamping groove 220 are arranged on the elastic sealing part 200, the upper clamping groove 210 and the lower clamping groove 220 are arranged oppositely, the notches deviate from each other, the notch of the upper clamping groove 21 faces upwards, the notch of the lower clamping groove 220 faces downwards, an upper shell circumferential side plate 112 (specifically, the bottom end of the circumferential side plate) is clamped in the upper clamping groove 210, and a lower shell circumferential side plate 122 is clamped in the lower clamping groove 220.

By arranging the elastic sealing part 200 on the involutory seam 140, the upper shell circumferential side plate 112 is clamped in the upper clamping groove 210 of the elastic sealing part 200, and the lower shell circumferential side plate 122 is clamped in the lower clamping groove 220, the elastic sealing part 200 can seal the involutory seam 140, so that the defibrillator shell 100 is reliably sealed, moisture or humidity is effectively prevented from entering the defibrillator from the involutory seam 140, and the internal electrical elements are reliably protected from water; meanwhile, the upper clamping groove 210 and the lower clamping groove 220 can also play a role in positioning the involution of the upper shell 110 and the lower shell 120, the involution precision is improved, and the improvement of the assembling efficiency of the whole machine is facilitated. The elastic sealing member 200 may be made of a soft material having a certain elasticity, such as a rubber material or a silicone material.

Further, as shown in fig. 3 and 4, the lower end surface of the upper shell circumferential side plate 112 abuts against the bottom surface of the upper clamping groove 210 in an attaching manner, and the side surface of the upper shell circumferential side plate 112 abuts against the side surface of the upper clamping groove 210 in an attaching manner; the up end of lower casing circumference curb plate 122 supports with the laminating of draw-in groove 220 bottom surface down and supports, and the side of lower casing circumference curb plate 122 supports with the laminating of the side of draw-in groove 220 down and supports and support to it is more reliable to make the laminating of elastic sealing part 200 and last casing 110 and lower casing 120, and then can further improve sealed water-proof effects.

As shown in fig. 4 and 8, of the two opposite side surfaces of the upper card slot 210, the height of the outer side surface 211 of the upper card slot is greater than the height of the inner side surface 212 of the upper card slot; in two opposite side surfaces of the lower card slot 220, the height of the outer side surface 221 of the lower card slot is greater than that of the inner side surface 222 of the lower card slot, so that the elastic sealing part 200 covers the butt joint 140 from the outer side of the butt joint 140 with a larger area, the isolation effect on external moisture and humidity is further enhanced, and the sealing effect is improved.

In some embodiments of the present application, as shown in fig. 4, an upper limiting boss 113 is formed on the outer wall of the upper casing circumferential side plate 112, a lower limiting boss 123 is formed on the outer wall of the lower casing circumferential side plate 122, the top end of the outer groove wall of the upper clamping groove 210 abuts against the upper limiting boss 113, and the bottom end of the outer groove wall of the lower clamping groove 220 abuts against the lower limiting boss 123, so that the upper limiting boss 113 and the lower limiting boss 123 act together to limit the elastic sealing component 200 in the up-down direction, so that the elastic sealing component is stably installed at the butt seam 140, and the butt seam 140 is prevented from being dislocated and flashed.

As also shown in fig. 4 and 8, the upper card slot inner side surface 212 has an upper guide slope 213 to open the slot opening of the upper card slot 210, and the lower card slot inner side surface 22 has a lower guide slope 223 to open the slot opening of the lower card slot 220. The upper guide inclined plane 213 plays a guiding role in guiding the upward insertion of the upper housing 110 into the upper slot 210, and the lower guide inclined plane 223 plays a guiding role in guiding the downward insertion of the lower housing 120 into the lower slot 220, so that the butt-joint installation of the upper housing 110 and the lower housing 120 and the matching assembly with the elastic sealing part 200 are further facilitated, and the assembly efficiency and the production efficiency are further improved.

Since the automatic external defibrillator usually has a voice playing function, in some embodiments of the present application, referring to fig. 9 to 12, a speaker assembly 300 located in the installation space 130 is disposed on the lower surface of the top plate 111 of the upper housing, and the speaker assembly 300 includes a cylindrical installation portion 310, a speaker body 320 installed in the installation portion 310, and a sealing gasket 330; the mounting part 310 is cylindrical, one end of the mounting part is fixedly connected to the upper shell top plate 111, the other end of the mounting part is a through end, and the upper shell top plate 111 is provided with a sound outlet 114 at a position corresponding to the mounting part 310 so as to facilitate the sound of the horn body 320 to be transmitted out; the sealing gasket 330 is disposed between the mounting portion 310 and the horn body 320 to seal the annular gap between the mounting portion 310 and the horn body 320, so that external moisture or humidity is prevented from entering the mounting space 130 through the sound outlet hole 114 and then through the annular gap between the mounting portion 310 and the horn body 320, and the sealing and waterproof grade of the defibrillator is further improved.

Specifically, the sealing washer 330 and the horn body 320 are first assembled into a whole, and then the whole is assembled into the installation portion 310 through the through end of the installation portion 310 and then fixed by dispensing between the sealing washer and the wall of the installation portion 310.

As shown in fig. 9, 10 and 12, an annular sealing groove 331 is formed on an inner wall of the sealing washer 330, an annular protrusion 321 is formed at an upper end of the horn body 320, and the annular protrusion 321 is embedded in the annular sealing groove 331 and is in interference fit with the annular sealing groove 331, so as to further improve the sealing effect and ensure that the horn body 320 and the sealing washer 330 are reliably connected.

Furthermore, an annular limiting convex part 332 is formed on the inner wall of the sealing washer 330, a step part 322 is arranged in the middle of the horn body 320, the annular limiting convex part 332 is positioned below the step part 332, and the step part 322 abuts against the annular limiting convex part 332, so that the downward freedom of the horn body 320 can be limited by the annular limiting convex part 332, and the horn body 320 is more reliably mounted by combining the upper and lower limiting functions of the annular sealing groove 331 on the horn body 320; the outer wall of the lower end circumference of the horn body 320 is attached to the inner wall of the annular limiting convex part 332, so that the sealing effect is further improved.

Further, as shown in fig. 11, the annular limiting protrusion 332 has a trace notch 333 to avoid the trace of the speaker body 320.

As shown in fig. 9 and 10, a plurality of limiting ribs 311 located above the sealing gasket 330 are circumferentially arranged on the inner wall of the mounting portion 310, and the upper end surface of the sealing gasket 330 abuts against the lower end of the limiting ribs 311, so that the limiting ribs 311 play a role in positioning the mounting of the sealing gasket 330, and the mounting efficiency of the sealing gasket 330 is improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. An automatic external defibrillator comprises a shell, wherein the shell comprises an upper shell, a lower shell and an installation space positioned between the upper shell and the lower shell, the upper shell and the lower shell are oppositely combined and fixedly connected into a whole, and an annular opposite joint is formed between the upper shell and the lower shell; the method is characterized in that: the butt joint is provided with an annular elastic sealing part, the elastic sealing part is provided with an annular upper clamping groove and an annular lower clamping groove, the upper clamping groove and the lower clamping groove are oppositely arranged, notches of the upper clamping groove and the lower clamping groove are deviated, a circumferential side plate of the upper shell is clamped in the upper clamping groove, and a circumferential side plate of the lower shell is clamped in the lower clamping groove.

2. The automated external defibrillator of claim 1, wherein: the lower end face of the circumferential side plate of the upper shell is abutted with the bottom surface of the upper clamping groove in a fitting manner, and the side face of the circumferential side plate of the upper shell is abutted with the side face of the upper clamping groove in a fitting manner; the circumference curb plate up end of casing down with the bottom surface laminating of draw-in groove is supported and is leaned on down, the circumference curb plate side of casing down with the side laminating of draw-in groove is supported and is leaned on down.

3. The automated external defibrillator of claim 2, wherein: in the side surface of the upper clamping groove, the height of the outer side surface is greater than that of the inner side surface; in the side face of the lower clamping groove, the height of the outer side face is larger than that of the inner side face.

4. The automated external defibrillator of claim 3, wherein: an upper limiting boss is formed on the outer wall of the circumferential side plate of the upper shell, a lower limiting boss is formed on the outer wall of the circumferential side plate of the lower shell, the top end of the outer groove wall of the upper clamping groove abuts against the upper limiting boss, and the bottom end of the outer groove wall of the lower clamping groove abuts against the lower limiting boss.

5. The automated external defibrillator of claim 1, wherein: the inner side surface of the upper clamping groove is provided with an upper guide inclined surface so that the notch of the upper clamping groove is open, and the inner side surface of the lower clamping groove is provided with a lower guide inclined surface so that the notch of the lower clamping groove is open.

6. The automated external defibrillator of claim 1, wherein: the lower surface of the top plate of the upper shell is provided with a horn assembly positioned in the mounting space, and the horn assembly comprises a cylindrical mounting part, a horn body mounted in the mounting part and a sealing gasket; one end of the mounting part is fixedly connected with the upper shell, the other end of the mounting part is a through end, and a sound outlet is distributed in the upper shell at a position corresponding to the mounting part; the sealing washer is established the installation department with in order to seal between the loudspeaker body the installation department with annular gap between the loudspeaker body.

7. The automated external defibrillator of claim 6, wherein: an annular sealing groove is formed in the inner wall of the sealing washer, an annular protruding portion is arranged at the upper end of the horn body and embedded into the annular sealing groove in an interference fit mode.

8. The automated external defibrillator of claim 7, wherein: form annular spacing convex part on seal ring's the inner wall, the middle part of loudspeaker body has the step portion, the step portion supports and leans on annular spacing convex part, the lower extreme circumference outer wall of loudspeaker body with the laminating of the inner wall of annular spacing convex part.

9. The automated external defibrillator of claim 8, wherein: the annular limiting convex part is provided with a wiring gap part.

10. The automated external defibrillator of claim 6, wherein: the inner wall of the mounting part is circumferentially provided with a plurality of limiting ribs above the sealing washer, and the upper end face of the sealing washer is abutted against the lower end of the limiting ribs.

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