CN216044515U

CN216044515U - Miniature radiating fan for oxygen breathing machine

Info

Publication number: CN216044515U
Application number: CN202121830583.2U
Authority: CN
Inventors: 张燚健
Original assignee: Shenzhen Shentaida Electromechanical Co ltd
Current assignee: Shenzhen Shentaida Electromechanical Co ltd
Priority date: 2021-08-06
Filing date: 2021-08-06
Publication date: 2022-03-15
Anticipated expiration: 2031-08-06

Abstract

The utility model discloses a miniature radiating fan used on an oxygen breathing machine, which comprises a fan bracket, a fan main body and a shell, wherein the fan main body is arranged on the fan bracket; be provided with a plurality of access holes on the shell, access hole department all installs the baffle, and the baffle is connected with damper assembly, and damper assembly and extension are contradicted. The fan has good anti-falling performance, and the whole fan is not easy to damage; the dust-proof device has a good dust-proof effect, so that the generated airflow contains less impurities and is safer.

Description

Miniature radiating fan for oxygen breathing machine

Technical Field

The utility model relates to the field of cooling fans, in particular to a miniature cooling fan for an oxygen breathing machine.

Background

The oxygen respirator and the human body respiratory system form an internal circulation, the high-pressure gas cylinder provides oxygen, the gas bag stores gas during breathing and inhaling, and the breathing protective device has a large amount of breathing protective products, stable and reliable performance, is widely suitable for industrial departments such as petroleum, chemical industry, metallurgy, coal, mine, laboratories and the like, and is worn and used by specially trained people in the toxic and harmful gas environment under the ordinary atmospheric pressure for emergency rescue, accident treatment, rescue or operation.

The existing oxygen breathing machine is often provided with a fan, but the fan has poor self protection performance, is easy to be stained with dust, influences use and is easy to damage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of a miniature radiating fan for an oxygen breathing machine, which can solve the problem.

The utility model is realized by the following technical scheme: the utility model provides a miniature radiator fan for on oxygen breathing machine, includes fan bracket, fan main part, and the fan main part is installed on fan bracket, its characterized in that: the fan bracket is fixed in the mounting cavity, the housing is provided with an air inlet and an air outlet, a soft block is fixed at the air inlet, an inclined plane is arranged on the soft block, a plurality of air inlets are arranged on the inclined plane, a plurality of extending parts are also arranged on the soft block, the extending parts extend to one side of the housing, a buffer cavity is arranged in the extending parts, and buffer substances are stored in the buffer cavity; be provided with a plurality of access holes on the shell, access hole department all installs the baffle, and the baffle is connected with damper assembly, and damper assembly and extension are contradicted.

As the preferred technical scheme, screw holes which are aligned are formed between the fan bracket and the shell, and screws are inserted into the screw holes for fixing.

As a preferred technical scheme, the soft block and the extension part are both made of colloid materials, and the soft block and the extension part are of an integrated structure.

As the preferred technical scheme, a waterproof breathable film is fixed on the inclined surface of the soft block, and the breathable film shields the air inlet hole.

As the preferred technical scheme, the dust screen is fixedly arranged at the air outlet.

As preferred technical scheme, the inner wall of access hole sets up the internal thread, and the side of baffle is provided with the external screw thread, external screw thread and internal thread phase-match, baffle setting are through threaded engagement in the access hole, and damper assembly includes shock attenuation compression spring, and shock attenuation compression spring's both ends all are fixed with the connecting plate, and a connecting plate and baffle are fixed, and another connecting plate is contradicted with the extension.

The utility model has the beneficial effects that: the fan has good anti-falling performance, and the whole fan is not easy to damage; the dust-proof device has a good dust-proof effect, so that the generated airflow contains less impurities and is safer.

Drawings

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

FIG. 1 is an overall block diagram of the present invention;

fig. 2 is an enlarged view of the present invention at a.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

This specification includes any features disclosed in the appended claims, abstract and drawings, which are, unless expressly stated otherwise, replaceable with other equivalent or similarly purposed alternative features. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable 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.

As shown in fig. 1 to 2, the anti-collision device comprises a fan support 1 and a fan main body 2, wherein the fan main body 2 is mounted on the fan support 1, the anti-collision device further comprises a housing 3, a mounting cavity is arranged in the housing 3, the fan support 1 is fixed in the mounting cavity, an air inlet 311 and an air outlet 312 are arranged on the housing 3, a soft block 6 is fixed at the air inlet 311, an inclined surface 611 is arranged on the soft block 6, a plurality of air inlet holes 612 are arranged on the inclined surface 611, a plurality of extending portions 5 are further arranged on the soft block 6, the extending portions 5 extend to one side of the housing 3, a buffer cavity is arranged in the extending portions 5, and a buffer substance 8, such as sand, is stored in the buffer cavity, so that the anti-collision effect is increased; be provided with a plurality of access holes 12 on the shell 3, baffle 9 is all installed to access hole 12 department, and baffle 9 is connected with damper assembly, and damper assembly contradicts with extension 5.

Wherein, set up the screw hole of alignment between fan bracket 1 and the shell 3, insert the screw in the screw hole and fix.

Wherein, the soft block 6 and the extension part 5 are both made of colloid materials, and the soft block 6 and the extension part 5 are of an integrated structure.

Wherein, a waterproof ventilated membrane 10 is fixed on the inclined surface 611 of the soft block 6, and the ventilated membrane 10 shields the air inlet 612. The inclined surface makes it difficult for dust to accumulate on the breathable film.

Wherein, the air outlet 312 is fixedly provided with a dust screen 16 which can be fixed by screws and is used for isolating dust.

Wherein, the inner wall of access hole 12 sets up the internal thread, and the side of baffle 9 is provided with the external screw thread, external screw thread and internal thread phase-match, baffle 9 set up through thread engagement in access hole 12, and damper assembly includes shock attenuation compression spring 13, and the both ends of shock attenuation compression spring 13 all are fixed with connecting plate 15, and a connecting plate 15 is fixed with baffle 9, and another connecting plate 15 contradicts with extension 5, and the connecting plate bonds and fixes on the baffle.

Wherein, the baffle is thread engagement, and the installation and the dismantlement are convenient for, and the shock attenuation piece on the baffle has increased resistance to compression and crashproof protection.

When the technical scheme is used, the fan is protected by the shell and is not easy to damage.

The extension part and the shock absorption assembly protect the whole fan, and anti-falling and anti-collision protection is added, so that the fan is not easy to damage.

The fan needs to inhale under operating condition, and the dust in the air current is blockked by the ventilated membrane, has increased dustproof effect.

When the technical scheme is used, the baffle is detached through the threads, and the maintenance is carried out through the access hole.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a miniature radiator fan for on oxygen breathing machine, includes fan support (1), fan main part (2), and fan main part (2) are installed on fan support (1), its characterized in that: the fan bracket is characterized by further comprising a shell (3), an installation cavity is formed in the shell (3), the fan bracket (1) is fixed in the installation cavity, an air inlet (311) and an air outlet (312) are formed in the shell (3), a soft block (6) is fixed at the air inlet (311), an inclined surface (611) is arranged on the soft block (6), a plurality of air inlets (612) are formed in the inclined surface (611), a plurality of extending portions (5) are further arranged on the soft block (6), the extending portions (5) extend to one side of the shell (3), a buffer cavity is formed in each extending portion (5), and a buffer substance (8) is stored in each buffer cavity; be provided with a plurality of access holes (12) on shell (3), baffle (9) are all installed in access hole (12) department, and baffle (9) are connected with damper, and damper conflicts with extension (5).

2. The micro heat dissipation fan for an oxygen respirator as claimed in claim 1, wherein: screw holes which are aligned are arranged between the fan bracket (1) and the shell (3), and screws are inserted into the screw holes for fixation.

3. The micro heat dissipation fan for an oxygen respirator as claimed in claim 1, wherein: the soft block (6) and the extension part (5) are both made of colloid materials, and the soft block (6) and the extension part (5) are of an integrated structure.

4. The micro heat dissipation fan for an oxygen respirator as claimed in claim 1, wherein: a waterproof breathable film (10) is fixed on the inclined surface (611) of the soft block (6), and the breathable film (10) shields the air inlet hole (612).

5. The micro heat dissipation fan for an oxygen respirator as claimed in claim 1, wherein: a dust screen (16) is fixedly arranged at the air outlet (312).

6. The micro heat dissipation fan for an oxygen respirator as claimed in claim 1, wherein: the inner wall of access hole (12) sets up the internal thread, and the side of baffle (9) is provided with the external screw thread, external screw thread and internal thread phase-match, baffle (9) set up in access hole (12) through threaded engagement, and damper assembly includes shock attenuation compression spring (13), and the both ends of shock attenuation compression spring (13) all are fixed with connecting plate (15), and a connecting plate (15) and baffle (9) are fixed, and another connecting plate (15) contradict with extension (5).