CN216934384U

CN216934384U - Disposable respiratory filter convenient to installation

Info

Publication number: CN216934384U
Application number: CN202122999764.4U
Authority: CN
Inventors: 张迪; 应治文; 郑万伟
Original assignee: Shanghai Kunxin Medical Instrument Co ltd
Current assignee: Shanghai Kunxin Medical Instrument Co ltd
Priority date: 2021-12-01
Filing date: 2021-12-01
Publication date: 2022-07-12
Anticipated expiration: 2031-12-01

Abstract

The utility model discloses a disposable respiratory filter which belongs to the technical field of respiratory filters and is convenient to install, comprising a filter, wherein a respiratory channel is arranged on the inner side of the filter, limiting grooves are symmetrically arranged on the inner side of the respiratory channel, a base is communicated with the rear end of the filter, a thread groove is arranged on the inner side of the base, a respiratory filter element is arranged in the respiratory channel, a mouthpiece is arranged on the outer side of a connecting end, an external thread which is in threaded fit with the thread groove is arranged on the outer side of the connecting end, the respiratory filter element is translated into the respiratory channel through the matching of a limiting seat and the limiting grooves until an elastic clamping block is arranged in the groove hole, so that the respiratory filter element is assisted and fixed, when a valve core needs to be replaced, a spring seat is pressed downwards, the spring seat drives the elastic clamping block to be retracted into the limiting seat, so that the respiratory filter element is moved, detached and replaced, and the mouthpiece is connected with the base through the threaded groove and the external thread groove, the mouthpiece is convenient to be connected in a sealing way, the use tightness of the mouthpiece is improved, and the mouthpiece is convenient to replace.

Description

Disposable respiratory filter convenient to installation

Technical Field

The utility model relates to the technical field of breathing filters, in particular to a disposable breathing filter convenient to install.

Background

The lung function examination is a tool for researching respiratory physiology, is also an important means for diagnosing and treating respiratory system diseases, can be clinically applied to early detection of lung and airway lesions, evaluation of disease degree, identification of dyspnea causes, evaluation of curative effects of medicines and treatment, evaluation of thoracic surgery operation tolerance, evaluation of labor intensity, tolerance and the like.

In recent years, due to the popularization of high-altitude tourism, the lung function examination is used as an item of high-altitude physical examination, and people who are not suitable for entering high-altitude areas can be found in advance to reduce life risks. In China and abroad, the lung function detection and result judgment become the standard of the global initiative of the world health organization for the Chronic Obstructive Pulmonary Disease (COPD) and the diagnosis and treatment guideline of the respiratory division of the Chinese medical society for the Chronic Obstructive Pulmonary Disease (COPD), and are important components for the diagnosis and treatment of bronchial asthma of the world health organization and the Chinese medical society. Currently, lung function detection is widely applied to various fields such as respiratory medicine, chest and abdomen surgery, pediatrics, obstetrics and gynecology, occupational disease assessment, altitude medicine, health examination and the like.

The patent application No. CN201711464649.9 provides a disposable respiration filter convenient to change, including last casing and lower casing, go up casing and lower casing threaded connection, and the junction of last casing and lower casing is equipped with the sealing washer, the upper end fixedly connected with of going up the casing admits air the outer tube, the inside bottom fixedly connected with of outer tube admits air the inner tube, it is equipped with the cavity to admit air between outer tube and the inner tube that admits air, the inner wall of the outer tube that admits air has seted up first seal groove, first sealing strip has been cup jointed to the inside of first seal groove, the top of the inner tube that admits air is fixed to be equipped with the trapezoidal stand pipe of cross-section, fixed intercommunication has sampling tube and the sign mechanism corresponding with the sampling tube on the lateral wall of last casing, the top threaded connection of sampling tube has the tube lid, the inside fixedly connected with backup pad of going up the casing, the last fixed surface fixedly connected with guiding device of backup pad, the bottom end in the upper shell is fixedly connected with a plurality of pressure rods; the utility model discloses a casing, including casing, bracing piece, depression bar, bracing piece, filter layer, the bottom fixedly connected with outlet duct of casing, the second seal groove has been seted up on the lateral wall of outlet duct, the inside of second seal groove is equipped with the second sealing strip down, be equipped with the filter layer between depression bar and the bracing piece.

The filter element built-in of the breathing filter is complex to replace, and the mouthpiece is generally connected with the filter through a clamping joint, so that the breathing filter cannot form good sealing when in use, and side leakage can be generated.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract and the title of the application to avoid obscuring the purpose of this section, the abstract and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The present invention has been made in view of the above and/or other problems with existing respiratory filters.

Therefore, the utility model aims to provide a disposable breathing filter convenient to mount, which can solve the problems that the filter element built in the existing breathing filter is complicated to replace, and the mouthpiece of the existing breathing filter is generally connected with the filter in a clamping way, so that good sealing cannot be formed during use, and side leakage can be caused.

To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:

a disposable respiratory filter for ease of installation, comprising: a filter, a respiratory cartridge, and a mouthpiece;

the filter is provided with a breathing passage at the inner side, limiting grooves are symmetrically arranged at the inner side of the breathing passage, the rear end of the filter is communicated with a base, and a thread groove is arranged at the inner side of the base;

the breathing filter element is arranged in the breathing channel, and a limiting seat which is matched with the limiting groove in a clamping way is integrally formed on the outer side of the breathing filter element;

the outer side of the connecting end of the mouthpiece is provided with an external thread which is in threaded fit with the thread groove.

As a preferred aspect of the disposable respiratory filter of the present invention, which is easy to install, wherein: the base outside cover is equipped with the respiratory mask, and the respiratory mask outside is symmetrical connection has the bandage that is used for supplementary fixed.

As a preferred aspect of the disposable respiratory filter of the present invention, which is easy to install, wherein: the inner side of the limiting seat is connected with an elastic clamping block, the outer side of the filter is movably connected with a spring seat corresponding to the position of the elastic clamping block, the spring seat is in linkage with the elastic clamping block, and a groove hole clamped with the elastic clamping block is formed in the limiting groove.

As a preferred aspect of the disposable respiratory filter of the present invention, which is easy to install, wherein: the front end of the filter is communicated with a connecting seat used as a connecting middle end.

As a preferable aspect of the disposable respiration filter of the utility model, which is easy to install, wherein: the respiratory mask is made of flexible materials.

Compared with the prior art: through spacing seat and spacing groove cooperation, to breathe the filter core to breathing passageway internal translation, arrange the slotted hole in until elastic fixture block, thereby it is supplementary fixed to breathing the filter core, when needs are changed the case, push down the spring holder, the spring holder drives elastic fixture block and withdraws to spacing seat in, and then remove breathing the filter core, dismantle it and change, when convenient the change, connect comparatively closely, and, through thread groove and external screw thread screw assembly, connect joint mouth and base, conveniently carry out sealing connection to the joint mouth, increase its use seal, and be convenient for change.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise. Wherein:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of an explosive structure according to the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic view of a portion of the structure of the present invention.

In the figure: 100 filters, 110 breathing passages, 111 limit grooves, 120 spring seats, 130 bases, 131 threaded grooves, 140 connecting seats, 200 breathing filter elements, 210 limit seats, 211 elastic fixture blocks, 300 mouthpieces, 310 external threads, 400 breathing masks and 410 binding bands.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Next, the present invention will be described in detail with reference to the drawings, wherein for convenience of illustration, the cross-sectional view of the device structure is not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The utility model provides a disposable respiratory filter convenient to install, which is characterized in that a limiting seat is matched with a limiting groove, a respiratory filter element is translated into a respiratory channel until an elastic clamping block is arranged in the groove hole, so that the respiratory filter element is assisted to be fixed, when a valve core needs to be replaced, a spring seat is pressed downwards, the spring seat drives the elastic clamping block to be retracted into the limiting seat, the respiratory filter element is further moved, the respiratory filter element is detached and replaced, the connection is tight while the replacement is convenient, and the disposable respiratory filter convenient to install, as shown in figures 1-4, comprises a filter 100, a respiratory filter element 200 and a mouthpiece 300;

with reference to fig. 1-4, the filter 100 has an inner side formed with a breathing passage 110, the inner side of the breathing passage 110 is symmetrically formed with a limiting groove 111, and the outer side of the filter 100 is movably connected with a spring seat 120 corresponding to the position of the elastic fixture block 211, when the breathing filter element 200 is placed in the breathing passage 110, the breathing filter element 200 is translated into the breathing passage 110 by the cooperation of the limiting seat 210 and the limiting groove 111 until the elastic fixture block 211 is placed in the groove, the rear end of the filter 100 is communicated with a base 130, the inner side of the base 130 is formed with a threaded groove 131, and the front end of the filter 100 is communicated with a connecting seat 140 serving as a connecting middle end;

with reference to fig. 2-4, the respiratory filter element 200 is disposed in the respiratory passage 110, the external side of the respiratory filter element 200 is integrally formed with a limiting seat 210 which is engaged with the limiting groove 111, the internal side of the limiting seat 210 is connected with an elastic block 211, the spring seat 120 is linked with the elastic block 211, the elastic block 211 is driven to retract into the limiting seat 210 by the downward pressing action of the spring seat 120, and the respiratory filter element 200 is moved to be detached and replaced, so that the connection is tight while the replacement is facilitated;

referring to fig. 1 and 3, the outer side of the connecting end of the mouthpiece 300 is provided with an external thread 310 screwed with the thread groove 131, and the mouthpiece 300 is connected with the base 130 by screwing the thread groove 131 with the external thread 310, so that the mouthpiece 300 is conveniently connected in a sealing manner, the use tightness is improved, and the replacement is convenient;

referring to fig. 1-4, a respiratory mask 400 is sleeved on the outer side of the base 130, the respiratory mask 400 is made of flexible material, and the outer side of the respiratory mask 400 is symmetrically connected with straps 410 for auxiliary fixation.

The working principle is as follows: the utility model discloses a when using, through spacing seat 210 and spacing groove 111 cooperation, to breathe filter core 200 translation in to breathing passageway 110, arrange the slotted hole in until elasticity fixture block 211, thereby it is supplementary fixed to breathing filter core 200, when needs are changed the case, push down spring holder 120, spring holder 120 drives elasticity fixture block 211 and withdraws to spacing seat 210 in, and then remove breathing filter core 200, dismantle it and change, when convenient the change, connect comparatively closely, and, through thread groove 131 and external screw thread 310 screw assembly, connect mouthpiece 300 and base 130, the convenience carries out sealing connection to mouthpiece 300, increase its use seal, and be convenient for change.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. A disposable respiratory filter for easy installation, comprising: a filter (100), a respiratory cartridge (200), and a mouthpiece (300);

the filter (100) is provided with a breathing passage (110) on the inner side, the inner side of the breathing passage (110) is symmetrically provided with limiting grooves (111), the rear end of the filter (100) is communicated with a base (130), and the inner side of the base (130) is provided with a thread groove (131);

the breathing filter element (200) is arranged in the breathing channel (110), and a limiting seat (210) which is clamped and matched with the limiting groove (111) is integrally formed on the outer side of the breathing filter element (200);

the outer side of the connecting end of the mouthpiece (300) is provided with an external thread (310) which is in threaded fit with the thread groove (131).

2. The disposable respiratory filter convenient for installation according to claim 1 wherein a respiratory mask (400) is sleeved outside the base (130), and straps (410) for auxiliary fixation are symmetrically connected to the outside of the respiratory mask (400).

3. The disposable respiratory filter convenient to install as claimed in claim 1, wherein the inner side of the limiting seat (210) is connected with an elastic fixture block (211), the outer side of the filter (100) is movably connected with a spring seat (120) corresponding to the position of the elastic fixture block (211), the spring seat (120) is linked with the elastic fixture block (211), and a slot hole clamped with the elastic fixture block (211) is formed in the limiting groove (111).

4. A disposable respiratory filter for easy installation according to claim 1 wherein the filter (100) is provided with a connection seat (140) communicating with the front end as a connection middle end.

5. A disposable easy to install respiratory filter according to claim 2 wherein the respiratory mask (400) is made of a flexible material.