CN212273030U - Air storage tank sealing structure for slow descending air cylinder of medical refrigerated cabinet - Google Patents
Air storage tank sealing structure for slow descending air cylinder of medical refrigerated cabinet Download PDFInfo
- Publication number
- CN212273030U CN212273030U CN201822058858.XU CN201822058858U CN212273030U CN 212273030 U CN212273030 U CN 212273030U CN 201822058858 U CN201822058858 U CN 201822058858U CN 212273030 U CN212273030 U CN 212273030U
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- China
- Prior art keywords
- sealing
- tank body
- gas
- connecting part
- end cover
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 62
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 abstract description 3
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present case discloses a gas holder seal structure that is used for medical freezer slow descending inflator, includes: a can body which is hollow inside and has an air inlet formed at the top thereof; the upper adjusting end cover is connected to the top of the tank body and used for sealing the air inlet; and the air plug is arranged in the air inlet, wherein the air plug comprises a sealing part and a connecting part, the periphery of the sealing part keeps sealed with the inner side of the tank body, and the connecting part is integrally combined with the sealing part on the upper surface of the sealing part and extends upwards until penetrating through the upper adjusting end cover. According to the present case, it when having improved the gas holder leakproofness, can also adjust the demand according to the buffer pressure of difference and come the adaptation through the gas storage volume of adjusting the gas holder, has improved the suitability of gas holder greatly.
Description
Technical Field
The utility model relates to the field of medical equipment, in particular to a gas holder seal structure for medical freezer slow descending inflator.
Background
In order to ensure the refrigeration effect of the medical refrigerated cabinet, the medical refrigerated cabinet needs to have better sealing performance, so that in the medical refrigerated cabinet with a box-shaped structure, the cover plate is large and heavy in thickness, and when the cover plate descends and covers, the phenomenon that the refrigeration effect is reduced due to injury of a user or damage of a sealing part caused by too fast descending easily occurs, so that the deterioration of the stored objects occurs; in addition, for samples that require low temperature standing, impact shock caused by the cover plate falling too fast can also have a negative impact. The slow descending gas cylinder used for buffering the impact force under the cover plate is needed, a gas storage tank used for providing gas pressure for the slow descending gas cylinder is often needed in the slow descending gas cylinder, and the existing gas storage tank has the following problems: firstly, the air storage tank has poor sealing performance, so that the air storage tank has the phenomena of air leakage, insufficient air pressure and the like, and cannot provide enough air pressure for the slow descending air cylinder; secondly, the internal volume of gas holder is unchangeable, leads to the gas storage volume in the gas holder from this to be certain to can not carry out the gas storage volume adjustment according to the size of required buffer power, lead to the suitability of current slow descending gas cylinder poor, can not satisfy the buffer pressure demand of medical freezer under the different specifications.
In view of the above, there is a need to develop a sealing structure for an air storage tank of a slow descending air cylinder of a medical refrigerator, so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The weak point that exists among the prior art, the utility model aims at providing a gas holder seal structure for medical freezer slow descending inflator, it is when having improved gas holder leakproofness, can also come the adaptation through the gas storage volume of adjusting the gas holder according to the buffer pressure regulation demand of difference, has improved the suitability of gas holder greatly.
In order to realize the basis the utility model discloses an above-mentioned purpose and other advantages provide a gas holder seal structure for medical freezer slow descending inflator, include:
a can body which is hollow inside and has an air inlet formed at the top thereof;
the upper adjusting end cover is connected to the top of the tank body and used for sealing the air inlet; and
an air lock provided in the air inlet;
the air plug comprises a sealing part and a connecting part, the periphery of the sealing part keeps sealed with the inner side of the tank body, and the connecting part is integrally combined with the sealing part on the upper surface of the sealing part and extends upwards until penetrating through the upper adjusting end cover.
Preferably, the connecting part is rotatably connected with the upper adjusting end cover, so that the connecting part can rotate around the vertical axis of the tank body and can reciprocate up and down along with the upper adjusting end cover.
Preferably, the radius of the connecting portion is smaller than the radius of the sealing portion, so that a sealing shoulder is formed at the junction of the sealing portion and the connecting portion.
Preferably, the sealing shoulder part is received and connected with a sealing sleeve sleeved on the connecting part, and the inner periphery of the sealing sleeve is respectively sealed with the outer side of the connecting part and the inner side of the tank body.
Preferably, a horizontally outwardly extending closing ring is integrally formed on the outer circumference of the sealing sleeve, and covers the upper end portion of the can body.
Preferably, at least an upper sealing ring sleeved on the connecting part is arranged between the sealing sleeve and the connecting part, and a middle sealing ring sleeved on the sealing sleeve is arranged between the sealing sleeve and the inner side of the tank body.
Preferably, a lower sealing ring sleeved on the sealing part is arranged between the sealing part and the inner side of the tank body.
Preferably, the upper adjusting end cover is in threaded connection with the tank body.
Preferably, the air plug is embedded with an air valve penetrating through the upper surface and the lower surface of the air plug.
Compared with the prior art, the utility model, its beneficial effect is: it is when having improved the gas holder leakproofness, can also adjust the demand through the gas storage volume of adjusting the gas holder according to the buffer pressure of difference and come the adaptation, has improved the suitability of gas holder greatly.
Drawings
Fig. 1 is a longitudinal sectional view of a gas tank sealing structure for a slow descending gas cylinder of a medical refrigerated cabinet according to the utility model.
Detailed Description
The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent to those skilled in the art from the following detailed description, which, taken in conjunction with the annexed drawings, discloses a more detailed description of the present invention, which will enable those skilled in the art to make and use the present invention. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.
Referring to fig. 1, the air tank sealing structure 1 for the slow descending air cylinder of the medical refrigerator comprises:
a can 12 which is hollow inside and has an air inlet formed open at the top thereof;
an upper regulation end cap 17 connected to the top of the tank 12 and closing the air inlet; and
an air plug 16 provided in the air inlet;
the air lock 16 includes a sealing portion 161 and a connecting portion 162, the outer periphery of the sealing portion 161 maintains a seal with the inner side of the can 12, and the connecting portion 162 integrally joins the sealing portion 161 on the upper surface of the sealing portion 161 and extends upward until penetrating the upper adjustment cap 17.
Further, the connecting portion 162 is rotatably connected to the upper adjustment cap 17, so that the connecting portion 162 can rotate around the vertical axis of the can 12 and reciprocally lift and lower with the upper adjustment cap 17. When the air supply device is used, the upper adjusting end cover 17 can be screwed in or out to enable the upper adjusting end cover 17 to drive the air plug 16 to ascend or descend, so that the inner volume of the tank body 12 can be changed, and different air supply requirements can be met.
Further, the radius of the connecting portion 162 is smaller than that of the sealing portion 161, so that a sealing shoulder is formed at the junction of the sealing portion 161 and the connecting portion 162.
Furthermore, a sealing sleeve 18 sleeved on the connecting portion 162 is received at the sealing shoulder, and the inner and outer peripheries of the sealing sleeve 18 maintain sealing with the outer side of the connecting portion 162 and the inner side of the tank 12, respectively.
Further, a horizontally outwardly extending closing ring 182 is integrally formed on the outer periphery of the sealing sleeve 18, and the closing ring 182 covers the upper end portion of the can body 12.
Furthermore, at least an upper sealing ring 181 sleeved on the connecting portion 162 is arranged between the sealing sleeve 18 and the connecting portion 162, and a middle sealing ring 183 sleeved on the sealing sleeve 18 is arranged between the sealing sleeve 18 and the inner side of the tank body 12.
Further, a lower seal ring 164 is provided between the sealing portion 161 and the inner side of the tank 12 so as to be fitted over the sealing portion 161.
Further, the upper adjusting end cap 17 is screwed with the tank 12.
Further, an air valve 163 penetrating through the upper and lower surfaces of the air stopper 16 is embedded therein.
The number of apparatuses and the scale of the process described here are intended to simplify the description of the present invention. Applications, modifications and variations of the present invention will be apparent to those skilled in the art.
While the embodiments of the invention have been disclosed above, it is not limited to the applications listed in the description and the embodiments, which are fully applicable in all kinds of fields of application suitable for this invention, and further modifications may be readily made by those skilled in the art, and the invention is therefore not limited to the specific details and illustrations shown and described herein, without departing from the general concept defined by the claims and their equivalents.
Claims (5)
1. The utility model provides a gas holder seal structure that is used for medical freezer slow descending inflator which characterized in that includes:
a can (12), the can (12) being hollow inside and having an air inlet formed open at the top thereof;
an upper adjusting end cover (17) which is connected to the top of the tank body (12) and seals the air inlet; and
an air plug (16) provided in the air inlet;
the air plug (16) comprises a sealing part (161) and a connecting part (162), the periphery of the sealing part (161) keeps sealed with the inner side of the tank body (12), and the connecting part (162) is integrally combined with the sealing part (161) on the upper surface of the sealing part (161) and extends upwards to penetrate through the upper adjusting end cover (17);
the connecting part (162) is rotatably connected with the upper adjusting end cover (17), so that the connecting part (162) can rotate around the vertical axis of the tank body (12) and can reciprocate with the upper adjusting end cover (17);
the radius of the connecting part (162) is smaller than that of the sealing part (161), so that a sealing shoulder part is formed at the joint of the sealing part (161) and the connecting part (162).
2. A seal structure for a gas tank according to claim 1, wherein a sealing sleeve (18) fitted over the connecting portion (162) is received in the sealing shoulder portion, and the inner and outer peripheries of the sealing sleeve (18) are sealed with the outer side of the connecting portion (162) and the inner side of the tank body (12), respectively.
3. A seal structure of a gas tank according to claim 1, wherein a lower seal ring (164) fitted over the seal portion (161) is provided between the seal portion (161) and the inside of the tank body (12).
4. A seal arrangement according to claim 1, characterised in that the upper adjustment cap (17) is threadably engaged with the canister body (12).
5. A seal structure of a gas tank according to claim 1, wherein a gas valve (163) penetrating both upper and lower surfaces of the gas stopper (16) is embedded therein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058858.XU CN212273030U (en) | 2018-12-10 | 2018-12-10 | Air storage tank sealing structure for slow descending air cylinder of medical refrigerated cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822058858.XU CN212273030U (en) | 2018-12-10 | 2018-12-10 | Air storage tank sealing structure for slow descending air cylinder of medical refrigerated cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212273030U true CN212273030U (en) | 2021-01-01 |
Family
ID=73871334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822058858.XU Expired - Fee Related CN212273030U (en) | 2018-12-10 | 2018-12-10 | Air storage tank sealing structure for slow descending air cylinder of medical refrigerated cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212273030U (en) |
-
2018
- 2018-12-10 CN CN201822058858.XU patent/CN212273030U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210101 |