CN218598336U - Medical air compressor - Google Patents

Abstract

The utility model belongs to the technical field of compressors, in particular to a medical air compressor, which includes a body, a filtering mechanism and a sealing mechanism; the body has a plurality of air inlets and a plurality of air inlet pipes, and each air inlet is connected to a The air intake pipes are provided with opening and closing valves on each air intake pipe, and all the air intake pipes are connected in parallel; the filter mechanism includes at least two filter cottons, which correspond to the air inlets one by one, and the filter cottons are detachably arranged on The air inlet is used to filter the gas entering the body; the closing mechanism includes a slide rail and a closing plate, the closing plate is arranged on the outside of one of the filter cottons, the slide rail is arranged on the body, and the closing plate is slidably connected to the slide rail to open or close the corresponding Air inlet; under the normal working state of the body, the closing mechanism is used to close part of the air inlet, and the other part of the air inlet is connected to the atmosphere. According to the medical air compressor of the embodiment of the utility model, the filter cotton on some air inlets can be alternately cleaned or replaced without stopping the machine.

Description

Medical Air Compressor

technical field

The utility model belongs to the technical field of compressors, in particular to a medical air compressor.

Background technique

Medical air compressors can be used in conjunction with various ventilators. Medical air compressors are mainly used to provide sufficient and clean air sources for medical equipment that requires air sources. They are often used in dental oxygen generator equipment, ventilator equipment, medical equipment.

After the medical air compressor runs for a certain period of time, the filter assembly on the air inlet is blocked by dust in the air, which reduces the air intake and affects the use effect. Therefore, the air intake filter needs to be cleaned regularly.

However, most of the medical air compressors currently on the market need to be shut down for regular cleaning of the air intake filter.

Utility model content

The technical problem to be solved by the utility model is: most of the medical air compressors currently on the market need to be shut down when cleaning the intake filter regularly, and a medical air compressor is provided.

In order to solve the above technical problems, the embodiment of the utility model provides a medical air compressor, including a body, a filter mechanism and a sealing mechanism;

The body has at least two air inlets, each air inlet has an air inlet pipe, each air inlet pipe is provided with an opening and closing valve, and all the air inlet pipes are connected in parallel;

The filter mechanism includes at least two filter cottons, the filter cottons correspond to the air inlets one by one, and the filter cottons are detachably arranged at the air inlets to filter the gas entering the body;

The closure mechanism includes a slide rail and a closure plate, the closure plate is arranged on the outside of one of the filter cottons, the slide rail is arranged on the body, and the closure plate is slidably connected to the slide rail to open or close the corresponding air inlet;

In the normal working state of the machine body, the closing mechanism is used to close part of the air inlet, and the other part of the air inlet is connected to the atmosphere.

Optionally, the machine body includes a casing, the air inlet is arranged on the casing, and the slide rail is arranged outside the casing.

Optionally, the filter mechanism includes filter nets corresponding to the filter cotton one by one, the filter nets are arranged inside the housing, and the outer side of the filter net is attached to the inner side of the filter cotton.

Optionally, the filter screen includes a side wall plate and a mesh plate, one side of the side wall plate is connected to the outer edge of the mesh plate, the other side of the side wall plate is connected to the housing, the The inner side of the filter cotton is attached to the mesh plate, and the peripheral side of the filter cotton is attached to the side wall plate.

Optionally, the slide rail includes a transverse rail and a positioning rail, both of which are fixed on the housing, the transverse rail extends laterally, and the air inlet and the positioning rail are located at the same end of the extension direction of the transverse rail, the positioning rail is vertically arranged, and the positioning rail is connected to the transverse rail, so that the closing plate slides laterally until it is blocked by the positioning rail, the closing plate Close the air inlet.

Optionally, the transverse track includes an upper track plate, a lower track plate and a side plate, the upper track plate and the lower track plate are arranged opposite to each other up and down, and the side plates are respectively arranged on the upper track plate and the lower track plate On the opposite side, the housing, the upper track plate, the lower track plate and the side plates enclose a sliding cavity, the closing plate is set in the sliding cavity, and the air inlet is set in the opposite sides of the upper track plate and the lower track plate.

Optionally, the positioning rail includes a vertical plate, the vertical plate is fixed on the outer side of the housing, and the side plate is fixed on the outer side of the vertical plate.

Optionally, the distance between the side plate and the outer wall of the housing is equal to the thickness of the closing plate.

Optionally, a protruding plate is provided on the closing plate, and the protruding plate is located on the outer side of the closing plate; the protruding plate is located on a side of the closing plate away from the positioning rail.

Optionally, the closing plate is provided with rounded corners on one side of the protruding plate, and the rounded corners are respectively set on the upper and lower corners of the protruding plate; the vertical plate and the upper track plate Smooth transition between, smooth transition between the vertical plate and the lower track plate.

The medical air compressor according to the embodiment of the utility model has at least two air inlets, the air inlets are connected with air inlet pipes, the air inlet pipes are provided with opening and closing valves, and multiple air inlet pipes are connected in parallel. The air inlet is divided into two parts according to the quantity, one part of the air inlet is provided with a closed plate and a slide rail, which is used as a spare air inlet, and the other part is not provided with a closed plate and a slide rail, and is used as the main air inlet. When the medical air compressor is in a normal state, the closing plate blocks the corresponding backup air inlet to make it in a closed state, and the other main air inlets take in air normally; when other main air inlets need to replace and clean the filter cotton, the main air inlet The air port is closed, the sealing plate will no longer block the backup air inlet, and the backup air inlet will be opened. At this time, the medical compressor is in a non-stop state, and then replace the filter cotton on the main air inlet. After the replacement, the backup air inlet The inlet is closed under the action of the closing plate, the opening and closing valve corresponding to the main air inlet is turned on, and the air is taken in normally; it has the advantage of changing the filter cotton without stopping the machine.

Description of drawings

Fig. 1 is a schematic diagram of the normal working state of the medical air compressor provided by the first embodiment of the utility model;

Fig. 2 is a schematic diagram of the cleaning filter cotton state of the medical air compressor provided by the first embodiment of the present invention;

Fig. 3 is a schematic diagram of the shell structure of the medical air compressor provided by the first embodiment of the present invention;

Fig. 4 is a partial explosion schematic diagram of the medical air compressor provided by the first embodiment of the utility model;

Fig. 5 is a schematic structural view of the slide rail of the medical air compressor provided by the first embodiment of the present invention.

The reference signs in the instructions are as follows:

1. Body; 11. Shell; 12. Air inlet; 21. Filter cotton; 22. Filter screen; 221. Side wall plate; 222. Mesh plate; 31. Closed plate; 32. Slide rail; 321. Upper track plate 322, the lower track plate; 323, the side plate; 324, the vertical plate; 33, the protruding plate.

Detailed ways

In order to make the technical problems, technical solutions and beneficial effects solved by the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

first embodiment

As shown in Fig. 1 to Fig. 5, a medical air compressor provided by the first embodiment of the present utility model includes a body 1, a filtering mechanism and a sealing mechanism. It includes a body 1, a filtering mechanism and a closing mechanism.

Referring to Fig. 1 and Fig. 2, the body 1 has at least two air inlets 12, and the two air inlets 12 are taken as an example for illustration, each air inlet 12 has an air inlet pipe, and each air inlet pipe is provided with Open and close the valve, all the intake pipes are connected in parallel. The filter mechanism includes two filter cottons 21 , the filter cottons 21 correspond to the air inlets 12 one by one, and the filter cottons 21 are detachably arranged on the air inlets 12 to filter the gas entering the body 1 . The closing mechanism includes a slide rail 32 and a closing plate 31. The closing plates 31 correspond to the slide rails 32 one by one. The closing plate 31 is slidably connected to the slide rail 32 to open or close the corresponding air inlet 12 . In the normal working state of the body 1 , the closing plate 31 closes the corresponding air inlet 12 , and the other air inlet 12 communicates with the atmosphere.

When the number of air inlets 12 is greater than two, all the air inlets 12 are divided into two parts according to the number, one part of the air inlets 12 is provided with a closing plate 31, and the other part is not provided with a closing plate 31, in the normal working state of the body 1 Next, a part of the air inlets 12 is closed by the closing plate 31, and the other part of the air inlets 12 communicates with the atmosphere.

In this embodiment, under normal use conditions, the closing plate 31 closes the air inlet 12 and uses it as a spare air inlet 12, while the other air inlet 12 is connected to the atmosphere and used as the main air inlet 12 to realize normal air intake; When the filter cotton 21 on the main air inlet 12 needs to be cleaned and replaced, the opening and closing valve of the main air inlet 12 is closed, and the manual sliding closing plate 31 makes the standby air inlet 12 open; after that, the personnel disassemble the filter cotton 21 to be cleaned. , after the cleaning is completed, install the filter cotton 21;

The body 1 includes a casing 11 , the air inlet 12 is disposed on the casing 11 , and the slide rail 32 is disposed outside the casing 11 . The filter screen 22 is arranged on the inside of the housing 11, and the outside of the filter screen 22 is attached to the inside of the filter cotton 21. The filter cotton 21 is detachably connected to the housing 11, and a frame is added to the outer edge of the filter cotton 21 for reinforcement. The frame It is connected with the housing 11 by means of bolts, buckles and the like. The gas is firstly filtered through the filter cotton 21 , and then filtered through the filter screen 22 , and the filter screen 22 also supports the filter cotton 21 .

Referring to Fig. 2, Fig. 3 and Fig. 4, in the present embodiment, filter screen 22 comprises side wall plate 221 and mesh plate 222, and one side of side wall plate 221 connects the outer edge of mesh plate 222, the other side wall plate 221 One side is connected to the housing 11 , the inner side of the filter cotton 21 is attached to the mesh plate 222 , and the peripheral side of the filter cotton 21 is attached to the side wall plate 221 .

The side wall plate 221 and the mesh plate 222 may be welded or integrally formed, and the side wall plate 221 and the housing 11 may be fixed by welding or bolted. A cavity is formed between the filter screen 22 and the housing 11, and this cavity is just used to accommodate the filter cotton 21. Since the filter screen 22 is recessed in the housing 11, most of the volume of the filter cotton 21 is also arranged in the filter area. The concealed design of the filter cotton 21 in the net 22 can reduce the protruding area of the surface of the housing 11 and make the housing 11 as flat as possible.

In the present embodiment, with reference to Fig. 4 and Fig. 5, slide rail 32 comprises transverse track and positioning rail, and transverse track extends laterally, and air inlet 12 and positioning track are all positioned at the same end of the extending direction of transverse track, and positioning track vertically It is provided that the positioning rail is connected to the transverse rail, so that the closing plate 31 closes the air inlet 12 when the closing plate 31 slides laterally until it is blocked by the positioning rail.

The existence of the positioning rail can make the closing plate 31 completely close the air inlet 12, avoiding the phenomenon that the closing plate 31 cannot completely close the air inlet 12 due to excessive force applied when the baffle is manually pushed and pulled.

For the principle of simple structure and convenient processing, the transverse track includes an upper track plate 321, a lower track plate 322 and a side plate 323, and the upper track plate 321 and the lower track plate 322 are set up and down oppositely, so that the air inlet 12 is arranged on the upper track plate 321 and the lower track plate 321. On the opposite side of the track plate 322, the side plates 323 are respectively arranged on the opposite sides of the upper track plate 321 and the lower track plate 322, so that the cross section of the upper track plate 321 and the lower track plate 322 is L-shaped, and the housing 11, the upper track plate 321, the lower track plate The track plate 322 and the side plate 323 enclose the sliding cavity, and the closing plate 31 is arranged in the sliding cavity.

Further, the positioning rail includes a vertical plate 324 , the vertical plate 324 is fixed on the outer side of the housing 11 , and the side plate 323 is fixed on the outer side of the vertical plate 324 .

In order to reduce the shaking phenomenon of the closing plate 31 when sliding, the distance between the side plate 323 and the outer wall of the housing 11 is equal to the thickness of the closing plate 31 .

Because the closing plate 31 is a flat plate, it is not convenient for manual operation. Therefore, a protruding plate 33 is disposed on the closing plate 31 , and the protruding plate 33 is located outside the closing plate 31 ; the protruding plate 33 is located on the side of the closing plate 31 away from the positioning rail.

The closing plate 31 is provided with rounded corners relative to the side of the protruding plate 33, and the rounded corners are respectively arranged on the upper and lower corners of the protruding plate 33; Smooth transition between vertical plate 324 and lower track plate 322.

In this way, when the closing plate 31 is inserted into the sliding cavity, due to the existence of the rounded corners, the area of the insertion end is smaller than its own cross-sectional area, and the closing plate 31 can be assembled and maintained more quickly.

second embodiment

The difference between the medical air compressor of the second embodiment of the utility model and the first embodiment is that there are more than two air inlets 12, and correspondingly, the filter cotton corresponds to the air inlets, the closing plate 31 and the slide rail 32 is greater than one, and the number of closing plates 31 and air inlets 12 is the same. Taking three air inlets 12 and three closing plates 31 as an example, two of the air inlets 12 are used as main air inlets 12 according to air intake requirements. The other air inlet 12 is shielded by the closing plate 31 as a spare air inlet 12 , and under normal working conditions, the two air inlets 12 are in a state of communicating with the atmosphere, and the other is in a closed state.

Of course, two air inlets 12 may also be used as backup air inlets 12, and one air inlet 12 may be used as the main air inlet 12, which will not be repeated here.

When there are more than two air inlets 12, preferably, the number of air inlets 12 is an even number, half of the air inlets 12 are the main air inlets 12, and the other half of the air inlets 12 are standby air inlets 12 , the quantity of the main air intake is the same as the quantity of the spare air intake 12 at this time, and when the filter cotton 21 is replaced or cleaned, the intake air volume of the body 1 does not change too much.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (10)

1. A medical air compressor, characterized in that it comprises a body, a filtering mechanism and a sealing mechanism; The body has at least two air inlets, each air inlet has an air inlet pipe, each air inlet pipe is provided with an opening and closing valve, and all the air inlet pipes are connected in parallel; The filter mechanism includes at least two filter cottons, the filter cottons correspond to the air inlets one by one, and the filter cottons are detachably arranged at the air inlets to filter the gas entering the body; The closure mechanism includes a slide rail and a closure plate, the closure plate is arranged on the outside of one of the filter cottons, the slide rail is arranged on the body, and the closure plate is slidably connected to the slide rail to open or close the corresponding air inlet; In the normal working state of the machine body, the closing mechanism is used to close part of the air inlet, and the other part of the air inlet is connected to the atmosphere. 2 . The medical air compressor according to claim 1 , wherein the body includes a casing, the air inlet is arranged on the casing, and the slide rail is arranged outside the casing. 3 . 3. The medical air compressor according to claim 2, wherein the filter mechanism includes a filter screen corresponding to the filter cotton one by one, the filter screen is arranged on the inside of the housing, the The outer side of the filter net is attached to the inner side of the filter cotton. 4. The medical air compressor according to claim 3, wherein the filter screen comprises a side wall plate and a mesh plate, one side of the side wall plate is connected to the outer edge of the mesh plate, and the side wall plate is connected to the outer edge of the mesh plate. The other side of the wall plate is connected to the housing, the inner side of the filter cotton is attached to the mesh plate, and the peripheral side of the filter cotton is attached to the side wall plate. 5. The medical air compressor according to claim 2, wherein the slide rail comprises a transverse rail and a positioning rail, both of the transverse rail and the positioning rail are fixed on the housing, and the transverse The track extends horizontally, the air inlet and the positioning rail are located at the same end of the extending direction of the horizontal track, the positioning rail is vertically arranged, and the positioning rail is connected to the horizontal track, so that the closed When the plate slides laterally until it is blocked by the positioning rail, the closing plate closes the air inlet. 6. The medical air compressor according to claim 5, wherein the transverse track comprises an upper track plate, a lower track plate and a side plate, the upper track plate and the lower track plate are set up and down oppositely, and the side plate The plates are respectively arranged on opposite sides of the upper track plate and the lower track plate, the housing, the upper track plate, the lower track plate and the side plates enclose a sliding cavity, and the closing plate is set on the In the sliding cavity, the air inlet is arranged on opposite sides of the upper track plate and the lower track plate. 7. The medical air compressor according to claim 6, wherein the positioning rail comprises a vertical plate, the vertical plate is fixed on the outer side of the housing, and the side plate is fixed on the vertical towards the outside of the board. 8. The medical air compressor according to claim 6 or 7, wherein the distance between the side plate and the outer wall of the casing is equal to the thickness of the closing plate. 9. The medical air compressor according to claim 7, wherein a protruding plate is provided on the closing plate, and the protruding plate is located outside the closing plate; the protruding plate is located on the outside of the closing plate away from the side of the positioning rail. 10. The medical air compressor according to claim 9, characterized in that, one side of the closing plate opposite to the protruding plate is provided with rounded corners, and the rounded corners are respectively provided on the sides of the protruding plate Upper and lower corners; smooth transition between the vertical plate and the upper track plate, and smooth transition between the vertical plate and the lower track plate.

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