CN210867919U - Handheld host shell structure of electronic endoscope - Google Patents

Abstract

A shell structure of a handheld host of an electronic endoscope comprises a front shell, a rear shell and a bottom cover, wherein the front shell and the rear shell are buckled together, the bottom cover is assembled at the bottoms of the front shell and the rear shell, a groove is formed along the edge of the rear shell, a raised edge strip is arranged along the edge of the front shell, the edge strip is embedded in the groove, and a first sealing ring is arranged between the edge strip and the groove; a metal sheet is adhered to the middle part of the bottom cover, a second sealing ring surrounding the metal sheet is arranged in the bottom cover, and a first elastic thimble is fixed on the metal sheet; the bottom of the front shell is connected with an annular body, a second elastic thimble extending out of the annular body is fixed in the annular body, a third sealing ring is arranged on the end face, close to the inside, of the annular body, the bottom cover covers the annular body and is detachably connected with the annular body, the first elastic thimble penetrates through a hole in the middle of the annular body and extends into the front shell and the rear shell, the second elastic thimble abuts against the metal sheet, and the first elastic thimble and the second elastic thimble are both conductive. The shell structure can improve the waterproof performance of the handheld host, thereby effectively avoiding water stain infiltration into the battery cabin.

Description

Handheld host shell structure of electronic endoscope

Technical Field

The utility model relates to the technical field of medical equipment, especially, indicate a handheld host computer shell structure of electronic endoscope.

Background

Along with the development of science and technology, traditional desktop wired endoscope camera system is changing toward wireless camera system, and wireless camera system includes handheld host computer and display device, and handheld host computer includes shell, battery cabin, battery, circuit board, button etc. and the button assembly is on the shell, and in battery cabin and circuit board located the shell, and the battery was placed in the battery cabin to the battery is as working power supply, can make the user not receive the restriction of power cord and convenient portable host computer of removing at will.

At present, the electronic endoscope handheld host in the market generally has a problem: its shell structure is too simple, and the design is reasonable inadequately, under the condition such as air humidity or user's palm of the hand perspire, the condition of water stain infiltration battery compartment appears easily to lead to the battery to wet, influence the use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electronic endoscope handheld host computer shell structure can effectively improve handheld host computer's waterproof performance, avoids the outer water stain infiltration battery cabin of handheld host computer.

In order to solve the technical problem, the utility model discloses a following technical scheme: a shell structure of a handheld host of an electronic endoscope comprises a front shell, a rear shell and a bottom cover, wherein the front shell and the rear shell are buckled with each other, the bottom cover is assembled at the bottoms of the front shell and the rear shell, a circle of groove is formed along the edge of the rear shell, a raised edge strip is arranged along the edge of the front shell, the edge strip is embedded in the groove, and a first sealing ring is arranged between the edge strip and the groove; a metal sheet is attached to the middle part of the bottom cover, a second sealing ring surrounding the metal sheet is further arranged in the bottom cover, and a first elastic thimble is fixed on the metal sheet; the bottom of the front shell is connected with an annular body, a second elastic thimble stretching out of the annular body is fixedly arranged in the annular body, a third sealing ring is arranged on the end face, close to the inner side, of the annular body, the bottom cover covers the annular body and is detachably connected with the annular body, the first elastic thimble penetrates through a hole in the middle of the annular body and extends into the front shell and the rear shell, the second elastic thimble abuts against the metal sheet, and the first elastic thimble and the second elastic thimble are conductive.

Furthermore, an internal thread is arranged on the bottom cover, an external thread is arranged on the annular body, and the bottom cover is in threaded connection with the annular body.

Furthermore, a circular fixing piece is connected to the end face of the annular body close to the inner side, a battery compartment inlet with the inner diameter smaller than that of the annular body is formed in the fixing piece, the second elastic ejector pin is fixed on the fixing piece, and the third sealing ring is attached to the inner side face of the fixing piece in an attached mode.

Preferably, the metal sheet is circular.

Preferably, the first sealing ring, the second sealing ring and the third sealing ring are all made of silica gel.

The utility model provides an electronic endoscope handheld host computer shell structure ingenious design three waterproof constructions for solve the not good problem of waterproof performance of traditional handheld host computer shell. Specifically, the first waterproof structure is a second sealing ring in the bottom cover, when the bottom cover is covered on the annular body, the bottom edge of the annular body is abutted against the second sealing ring, and the second sealing ring can directly prevent external water stains from entering the battery compartment through the bottom cover; the second waterproof structure is a first sealing ring arranged between the front shell and the rear shell, the shape of the first sealing ring is the same as the shape of the edge of the rear shell, and when the first sealing ring and the edge strip of the front shell are arranged in the groove of the rear shell, the first sealing ring is positioned on the inner side of the edge strip, so that external water stains can be effectively prevented from entering the handheld host machine through a gap between the front shell and the shell, and further the water stains are indirectly prevented from further permeating into the battery compartment; the third waterproof construction is the third sealing washer, and this third sealing washer not only hugs closely in the terminal surface of ring bodies, and tightly overlaps in the hatch department of battery compartment, when carelessly having water stain to get into the battery compartment through the bottom, this third sealing washer can prevent in time that water stain reinfiltrates to in the handheld host computer to avoid causing the influence to the circuit board in the handheld host computer. To sum up, the utility model provides an electronic endoscope handheld host computer shell can be fine the waterproof performance of improvement handheld host computer, avoid external water stain infiltration battery under-deck, influence the use of battery.

Drawings

Fig. 1 is a schematic view of the overall structure of the housing structure of the handheld host of the electronic endoscope of the present invention;

FIG. 2 is a schematic structural diagram of a front case of a handheld host housing structure of an electronic endoscope according to the present invention;

FIG. 3 is a schematic structural view of a rear housing of a housing structure of a handheld host of an electronic endoscope according to the present invention;

FIG. 4 is a schematic structural view of a bottom cover of a housing structure of a handheld host of an electronic endoscope according to the present invention;

FIG. 5 is a schematic structural view of the ring body of the handheld main unit housing structure of the electronic endoscope of the present invention;

fig. 6 is a schematic structural diagram of a front case of a housing structure of a handheld host of an electronic endoscope according to the present invention (a battery compartment is shown in the figure).

The reference signs are:

1-front shell 1 a-edge strip 2-rear shell

2 a-groove 3-bottom cover 4-first sealing ring

5-metal sheet 6-second sealing ring 7-first elastic thimble

8-ring body 9-second elastic thimble 10-third sealing ring

11-fixing plate 11 a-entrance A of battery compartment-battery compartment

B-charging terminal.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, mechanically or electrically connected, or interconnected between two elements, directly or indirectly through intervening media, and the specific meaning of the terms may be understood by those skilled in the art according to their specific situation.

As shown in fig. 1-3, a handheld host shell structure of an electronic endoscope comprises a front shell 1, a rear shell 2 and a bottom cover 3, wherein the front shell 1 and the rear shell 2 are fastened together (fixed by a plurality of screws, not shown in the figure), the bottom cover 3 is assembled at the bottom of the front shell 1 and the bottom of the rear shell 2, and the handheld host shell structure of the electronic endoscope is in a 7 shape as a whole. Seted up round recess 2a along the border of backshell 2, the border along preceding shell 1 is equipped with bellied strake 1a, preceding shell 1 and backshell 2 lock back together, strake 1a of preceding shell 1 inlays in the recess 2a of backshell 2, it is worth mentioning that, in order to make preceding shell 1 and backshell 2 quick, accurate lock together, strake 1a and recess 2a clearance fit, and in the cavity that shell 1 and backshell 2 constitute before entering into hand through the gap between strake 1a and the recess 2a in order to prevent that external water stain, still be equipped with first sealing washer 4 between strake 1a and the recess 2 a. In the handheld host shell structure of the electronic endoscope, the bottom of the front shell 1 is also connected with the annular body 8, the annular body 8 and the front shell 1 are formed by injection molding together, in order to ensure that the buckling positions of the front shell 1 and the rear shell 2 have good sealing performance, the shape of the first sealing ring 4 is the same as the shape of the edge of the rear shell 2, and when the first sealing ring 4 and the edge strip 1a of the front shell 1 are arranged in the groove 2a of the rear shell 2, the first sealing ring 4 should be positioned on the inner side of the edge strip 1 a. As shown in fig. 4, the bottom of the housing structure of the handheld main unit of the electronic endoscope is sealed by the bottom cover 3, and the bottom cover 3 is covered on the annular body 8, and the two are detachably connected. Like the conventional handheld host, the battery compartment a of the handheld host in this embodiment is disposed in the cavity formed by the front housing 1 and the rear housing 2, the bottom cover 3 is opened to place the battery into the battery compartment a, and like the conventional handheld host, the handheld host in this embodiment can also charge the battery, in view of this, the middle of the bottom cover 3 is attached with the metal sheet 5, the metal sheet 5 is fixed with the first elastic thimble 7, the annular body 8 is fixed with the second elastic thimble 9 extending out of the annular body 8 (the second elastic thimble 9 is connected with the charging end B of the handheld host), the first elastic thimble 7 and the second elastic thimble 9 are both conductive, when the bottom cover 3 is covered on the annular body 8, the first elastic thimble 7 passes through the hole in the middle of the annular body 8 to extend into the battery compartment a (when the battery is placed in the battery compartment a, the first elastic thimble 7 abuts against the positive electrode or the negative electrode of the battery), the second elastic thimble 9 abuts against the metal sheet 5, so that the battery in the battery compartment a can be connected with the charging end B of the handheld host machine sequentially through the first elastic thimble 7, the metal sheet 5 and the second elastic thimble 9. As shown in fig. 4, in order to prevent external water from entering the battery compartment a through the bottom cover 3, a second sealing ring 6 surrounding the metal sheet 5 is further disposed in the bottom cover 3, and when the bottom cover 3 covers the annular body 8, the bottom edge of the annular body 8 abuts against the second sealing ring 6. It is known that, as shown in fig. 6, the battery compartment a is opposite to the ring-shaped body 8, and in some special cases, when water stains enter the battery compartment a through the bottom cover 3 carelessly, the water stains need to be prevented from seeping into the cavity formed by the front shell 1 and the rear shell 2 in time to avoid affecting the circuit board in the cavity, so as to this reason, as shown in fig. 2 and fig. 6, a third sealing ring 10 may be provided on the end surface of the ring-shaped body 8 near the inside, and the third sealing ring 10 is not only tightly attached to the end surface of the ring-shaped body 8, but also tightly sleeved on the hatch of the battery compartment a.

Preferably, the bottom cover 3 of the handheld main unit housing structure of the electronic endoscope in the present embodiment is screwed with the annular body 8, as shown in fig. 4, the bottom cover 3 is provided with an internal thread, and as shown in fig. 2, the annular body 8 is provided with a corresponding external thread.

As shown in fig. 2 and 5, a circular fixing piece 11 is connected to an inner end surface of the annular body 8, a battery compartment inlet 11a having an inner diameter smaller than that of the annular body 8 is opened in the fixing piece 11, a hatch of the battery compartment a faces the battery compartment inlet 11a, the second elastic thimble 9 is fixed to the fixing piece 11, and the third seal ring 10 abuts against an inner side surface of the fixing piece 11.

The shape of the metal sheet 5 in the present embodiment may be various, but preferably, the metal sheet 5 has a circular shape.

In order to solve the problems mentioned in the background art, the material of the sealing ring of the handheld host casing structure is also important, and preferably, the first sealing ring 4, the second sealing ring 6, and the third sealing ring 10 in this embodiment are all made of silica gel.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

In order to make it easier for those skilled in the art to understand the improvement of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and in order to clarify, some other elements have been omitted from this document, those skilled in the art should recognize that these omitted elements may also constitute the content of the present invention.

Claims (5)

1. The utility model provides a handheld host computer shell structure of electronic endoscope, includes preceding shell (1) and backshell (2) and bottom (3) of assembling in the bottom of preceding shell (1) and backshell (2) that each other's lock is in the same place, its characterized in that: a circle of groove (2 a) is formed along the edge of the rear shell (2), a raised edge strip (1 a) is arranged along the edge of the front shell (1), the edge strip (1 a) is embedded in the groove (2 a), and a first sealing ring (4) is arranged between the edge strip (1 a) and the groove (2 a); a metal sheet (5) is attached to the middle of the bottom cover (3), a second sealing ring (6) surrounding the metal sheet (5) is further arranged in the bottom cover (3), and a first elastic ejector pin (7) is fixed on the metal sheet (5); the bottom of preceding shell (1) is connected with ring body (8), ring body (8) internal fixation has second elasticity thimble (9) of stretching out outside ring body (8), ring body (8) are equipped with third sealing washer (10) by interior terminal surface, bottom (3) lid and both can dismantle the connection on ring body (8), first elasticity thimble (7) pass the hole in the middle of ring body (8) and stretch in preceding shell (1) and backshell (2), second elasticity thimble (9) are contradicted in sheetmetal (5), first elasticity thimble (7) and second elasticity thimble (9) all are electrically conductive.

2. The electronic endoscope handheld host housing structure of claim 1, characterized in that: the bottom cover (3) is provided with an internal thread, the annular body (8) is provided with an external thread, and the bottom cover (3) is in threaded connection with the annular body (8).

3. The electronic endoscope handheld host housing structure of claim 2, characterized in that: the inner end face of the annular body (8) is connected with a circular fixing piece (11), the fixing piece (11) is provided with a battery compartment inlet (11 a) with the inner diameter smaller than that of the annular body (8), the second elastic thimble (9) is fixed on the fixing piece (11), and the third sealing ring (10) is attached to the inner side face of the fixing piece (11).

4. The electronic endoscope handheld host housing structure of claim 3, wherein: the metal sheet (5) is circular.

5. The electronic endoscope handheld host housing structure of claim 4, wherein: the first sealing ring (4), the second sealing ring (6) and the third sealing ring (10) are all made of silica gel.

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