CN202355699U - Large-temperature-difference liquid-seal new-structure medical device - Google Patents

Abstract

The utility model provides a large-temperature-difference liquid-seal new-structure medical device which allows filtering light source of medical instruments to be sealed. The device is composed of air passages (1), slides (2), an isolating ring (3), a covering body (4), a loop coil (5), a top thread (6), a hoop-shaped ring (7), a combination pad (8) and a screw (9). The device is characterized in that two air passages (1) are arranged on two sides on the ring of the isolating ring (3) inside of the covering body, the slides (2) are connected closely with two sides of outside of the air passages (1), the hoop-shaped ring (7) is tightly sleeved on the outside of each of the slides (2), and the loop coil (5) is connected and tightly sleeved on the most outside. In use of the utility model, as two air passages (1) are arranged in the internal seal cavity of the covering body (4), when the temperature changes, the liquid expands and firstly compresses air in the air passages (1), so as to reduce pressure on the hoop-shaped ring (7), thereby achieving effect of tightness of the cavity structure and extending life by preventing liquid leakage.

Description

The liquid seal new construction medical device that the temperature difference is bigger

Technical field

This utility model relates to a kind of medical apparatus and instruments lens arrangement field, relates in particular to the bigger liquid seal new construction medical device of a kind of temperature difference.

Background technology

Medical device industry relates to a plurality of industries such as medicine, machinery, electronics, plastics, is the high-tech industry of a multidisciplinary intersection, knowledge-intensive, intensive capital.And the basic feature of new and high technology armarium is digitized and computerization, is the crystallization of multidisciplinary, cross-cutting Modern High-Tech, and its product technology content is high; Profit is high; Thereby be each scientific and technological power, the commanding elevation that international large-scale company vies each other, it is higher to get involved threshold.

In the medical apparatus and instruments and equipment of national primary care health organ; Having about 15% is the product before and after the seventies in 20th century; Have 60% to be 20th century the mid-80 product in the past; The process that they update is again the process that a demand discharges, and will guarantee the quick growth in 10 years futures even longer a period of time Chinese medical apparatus market.Along with going deep into of reform and opening-up; Continuing to increase and the quickening of global integration process of country's supporting dynamics, Chinese medical apparatus industry have obtained the development of advancing by leaps and bounds especially, adopt advanced light source technology especially for most Medical Instruments and optical instrument; The prior art instrument carries out selective filter through liquid commonly used to light source; Make the wavelength light of required instrument filter harmful or unwanted wavelength light through medical device, but the filter element poor sealing that prior art adopts, when variations in temperature is spent greater than tens; The liquid coefficient is greater than tens times of solid coefficients; The expansion meeting of liquid generation produces immense pressure to device so, and liquid just is easy to leak, and Medical Instruments service life will be very short like this.

Summary of the invention

In order to solve the problems of the technologies described above; This utility model provides a kind of Medical Instruments that makes and filters the bigger liquid seal new construction medical device of the temperature difference that light source has sealing; Constitute by air flue (1), slide (2), shading ring (3), body (4), volution (5), jackscrew (6), O shape circle (7), combination mat (8), screw (9); It is characterized in that two air flues are installed on both sides on the interior isolation of the body ring; Both sides, the air flue outside are right after slide, and O shape circle is tightly being overlapped in the slide outside, and the volution connection tightly is enclosed within outermost.Jackscrew is equipped with combination mat and screw through the corresponding position of overlapping on external interstitial hole and the internal insulation ring of interstitial hole on it.

The beneficial effect of this utility model is: when using this utility model; Because its body inner sealing intracavity is provided with two air flues; Therefore when variations in temperature, expansion of liquids at first compresses the air in the air flue, has slowed down the pressure to O shape circle; Thereby both reached the air-tightness effect of mucosal structure, and liquid had not been leaked reached the effect of life-saving.

Description of drawings

Fig. 1 is the internal structure cutaway view of this utility model;

Fig. 2 is the outside sketch map of this utility model.

The specific embodiment

According to Fig. 1, shown in Figure 2, this utility model is further specified:

When this utility model is installed, earlier slide (2) is placed the end in the body (4), then O shape circle (7) is tightly overlapped shading ring (3); The shading ring (3) that has air flue (1) to both sides again is as for body (4) middle part; The hole of its shading ring (3) is corresponding with the hole outside the body (4), locatees through jackscrew (6), and shading ring (3) opposite side is right after slide (2) again; O shape circle (7) is the tight airtight slide of cover (2) outside again, tightens fixing by the volution tooth road in the body (4) volution (5) at last.Hole on its body (4) is outer is fixing through combination mat (8) and screw (9).

In the use, liquid flows into body (4) intracavity through jackscrew (6), and temperature reaches tens when spending; The expansion of liquids coefficient is greater than tens times of solids; Expansion of liquids can at first compress the air in the air flue (1), slows down the pressure of O shape circle (7), thereby has realized the sealing of this utility model.

Claims (2)

1. liquid seal new construction medical device that the temperature difference is bigger; Constitute by air flue (1), slide (2), shading ring (3), body (4), volution (5), jackscrew (6), O shape circle (7), combination mat (8), screw (9); It is characterized in that two air flues (1) are installed on both sides on the interior shading ring of body (4) (3) circle; Both sides, air flue (1) outside are right after slide (2), and O shape circle (7) is tightly being overlapped in slide (2) outside, and volution (5) connection tightly is enclosed within outermost.

2. according to the bigger liquid seal new construction medical device of the described temperature difference of claim 1, it is characterized in that jackscrew (6) corresponding position of interstitial hole on interstitial hole and the internal insulation ring (3) outside body (4), be equipped with combination mat (8) and screw (9) on it.

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