CN218408724U - Solenoid valve subassembly and medical instrument - Google Patents
Solenoid valve subassembly and medical instrument Download PDFInfo
- Publication number
- CN218408724U CN218408724U CN202222449489.3U CN202222449489U CN218408724U CN 218408724 U CN218408724 U CN 218408724U CN 202222449489 U CN202222449489 U CN 202222449489U CN 218408724 U CN218408724 U CN 218408724U
- Authority
- CN
- China
- Prior art keywords
- valve
- air inlet
- air
- upper cover
- solenoid valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a solenoid valve subassembly and medical instrument, wherein, solenoid valve subassembly includes: the upper cover is provided with a plurality of mounting holes; the air inlet valves and the air release valves are electromagnetic valves and are installed on the upper cover through mounting holes, and the air inlet valves and the air release valves are arranged in pairs; the air inlet cover is arranged on the upper cover and is provided with an air inlet nozzle; the air inlet nozzle is communicated with an air inlet of the air inlet valve, a first silencing cavity is arranged between the air inlet nozzle and the air inlet of the air inlet valve, and the cross-sectional area of the first silencing cavity is larger than that of an air inlet channel in the air inlet nozzle; and/or the valve pressing plate is arranged on the upper cover, the valve pressing plate is abutted to one end, deviating from the upper cover, of the electromagnetic valve, a second silencing cavity is arranged on the valve pressing plate and communicated with the air outlet of the air escape valve, and an air outlet is formed in the second silencing cavity. The utility model discloses technical scheme can reduce the noise of solenoid valve unit spare during operation.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to solenoid valve assembly and medical equipment.
Background
Many medical instruments need to control a plurality of air bags at the same time, such as an anti-bedsore air cushion, and change the compressed part of a human body by controlling the inflation and deflation of different air bags so as to prevent the bedsore; the air pressure wave therapeutic apparatus forms the circulating pressure to limbs or tissues by sequentially and repeatedly inflating and deflating the plurality of air bags, improves the blood circulation state and prevents the formation of thrombus. When controlling the gas pressure in a plurality of air cells, the air cells need to be frequently inflated and deflated, and the flow of gas tends to generate noise during inflation and deflation. The air bag is generally controlled to inflate and deflate by an electromagnetic valve, so that in order to improve the user experience, the noise generated by the electromagnetic valve in the work process needs to be reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a solenoid valve subassembly aims at reducing the noise of solenoid valve subassembly during operation.
In order to achieve the above object, the present invention provides a solenoid valve assembly comprising:
the upper cover is provided with a plurality of mounting holes;
the air inlet valve and the air release valve are both electromagnetic valves, the air inlet valve and the air release valve are installed on the upper cover through the installation holes, and the air inlet valve and the air release valve are arranged in a plurality of pairs;
the air inlet cover is arranged on the upper cover, and an air inlet nozzle is arranged on the air inlet cover;
the air inlet nozzle is communicated with the air inlet of the air inlet valve, a first silencing cavity is arranged between the air inlet nozzle and the air inlet of the air inlet valve, and the cross-sectional area of the first silencing cavity is larger than that of an air inlet channel in the air inlet nozzle; and/or
The valve plate, valve plate installs cover on the upper cover, just valve plate is in the solenoid valve deviates from one of upper cover serve with the solenoid valve butt, valve plate is last to be provided with the second amortization chamber, the second amortization chamber with the gas outlet intercommunication of snuffle valve, be provided with the gas vent on the second amortization chamber.
Optionally, the hole wall of the mounting hole, the cover wall of the air inlet cover and the inner wall of the upper cover enclose the first silencing cavity, and the first silencing cavity is communicated with the air inlets of the air inlet valves.
Further, solenoid valve subassembly still includes the lower cover, the lower cover be used for with the upper cover joint, cover down and be provided with a plurality of third amortization chambeies, one third amortization chamber simultaneously with one the gas outlet of admission valve, and one with the admission valve is pairwise the air inlet intercommunication of release valve, be provided with the delivery outlet on the third amortization chamber.
Optionally, the delivery outlet sets up the third amortization chamber with the opposite one side of upper cover, just the delivery outlet to the projection of covering on with the gas outlet of admission valve and the air inlet looks interval of snuffle.
Optionally, the solenoid valves are arranged in four rows, two rows of the outer sides are arranged as air inlet valves, two rows of the inner sides are arranged as air release valves, and air outlets of the air release valves are arranged at one ends, deviating from the upper cover, of the air release valves.
Optionally, the air vent is configured to consist of a plurality of micro-muffling holes.
Optionally, the gas vent sets up the second amortization chamber is kept away from on the side of snuffle valve, just the gas outlet of snuffle valve to projection on the side that second amortization chamber is provided with the gas vent with gas vent looks interval.
Optionally, a silencing cotton is arranged outside the second silencing cavity, and covers the exhaust port.
Optionally, the sound damping cotton is low-density porous foam cotton.
The utility model discloses still provide a medical instrument, including above-mentioned solenoid valve subassembly.
The utility model discloses among the technical scheme, the air current is not the air inlet that directly gets into the admission valve, but through behind the first amortization chamber, reentrant admission valve. The cross-sectional area of first amortization chamber is greater than the cross-sectional area of suction nozzle, and according to hydrodynamics's principle, gaseous cavity that gets into the cross-sectional area from the pipeline that the cross-sectional area is little, and the gas flow velocity can reduce, therefore first amortization chamber can play the effect of buffering to reduce the noise that gaseous sent. The utility model discloses among the technical scheme, gas in the snuffle valve also is not in the direct discharge atmosphere, but gets into the second amortization chamber earlier, and the noise of snuffle valve scheduling also can be reduced in the second amortization chamber. To sum up the utility model discloses technical scheme can reduce the noise of solenoid valve unit spare during operation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of an embodiment of a solenoid operated valve assembly of the present invention;
FIG. 2 is a schematic assembled structure of the embodiment of FIG. 1;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the structure of the lower cover of the embodiment in FIG. 1;
fig. 5 is a partial structural schematic diagram of the embodiment in fig. 1.
The reference numbers indicate:
| reference numerals | Name (R) | Reference numerals | Name(s) |
| 10 | |
42 | |
| 11 | |
50 | |
| 20 | |
51 | |
| 21 | Air outlet of |
52 | |
| 30 | |
60 | |
| 31 | Air inlet of |
61 | |
| 40 | |
62 | |
| 41 | |
70 | Silencing cotton |
The realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a solenoid valve assembly.
In the embodiment of the present invention, referring to fig. 1 and 2, the solenoid valve assembly includes:
an upper cover 10, wherein a plurality of mounting holes 11 are formed on the upper cover 10;
the air inlet valve 20 and the air release valve 30, the air inlet valve 20 and the air release valve 30 are both electromagnetic valves, the air inlet valve 20 and the air release valve 30 are mounted on the upper cover 10 through the mounting hole 11, and the air inlet valve 20 and the air release valve 30 are both configured in a plurality and are arranged in pairs;
the air inlet cover 40, the air inlet cover 40 is installed on the upper cover 10, there are air intake nozzles 41 on the air inlet cover 40;
the air inlet nozzle 41 is communicated with the air inlet of the air inlet valve 20, a first silencing cavity 42 is arranged between the air inlet nozzle 41 and the air inlet of the air inlet valve 20, and the cross-sectional area of the first silencing cavity 42 is larger than that of an air inlet channel in the air inlet nozzle 41; and/or
The valve plate 50, valve plate 50 install on upper cover 10, and valve plate 50 deviates from one of upper cover 10 at the solenoid valve and serves with the solenoid valve butt, is provided with second amortization chamber 51 on the valve plate 50, and second amortization chamber 51 communicates with the gas outlet of snuffle valve 30, is provided with the gas vent on the second amortization chamber 51.
The air inlet valve 20 may be a two-position two-way electromagnetic valve, the two-position two-way electromagnetic valve has two ports, and the on-off state between the two ports can be controlled according to whether the electromagnetic valve is electrified or not, and only the two ports are respectively used as an air inlet and an air outlet of the air inlet valve 20; the air release valve 30 may be a two-position two-way valve or a two-position three-way valve, when the air release valve 30 is a two-position two-way valve, the two ports of the two-position two-way valve are respectively used as the air inlet 31 and the air outlet of the air release valve, when the air release valve 30 is a two-position three-way valve, one independent end of the two-position three-way valve is used as the air inlet 31 of the air release valve, and the other independent end and the common end of the two-position three-way valve are connected to the atmosphere and used as the air outlet of the air release valve 30. The two-position three-way electromagnetic valve is provided with a common end and two independent ends, and one of the two independent ends can be controlled according to the electrification of the electromagnetic valve and is communicated with the common end; when the individual end is not in communication with the common end, the individual end is closed.
Referring to fig. 1, optionally, the hole wall of the mounting hole 11, the cover wall of the intake cover 40 and the inner wall of the upper cover 10 enclose a first muffling chamber 42, and the first muffling chamber 42 communicates with the intake ports of the plurality of intake valves 20. The arrangement ensures that the first silencing cavity 42 does not need additional structure to be arranged, so that the electromagnetic valve assembly has more compact structure and reduces the production cost.
Referring to fig. 1 to 4, further, the solenoid valve assembly further includes a lower cover 60, the lower cover 60 is adapted to be coupled to the upper cover 10, the lower cover 60 is provided with a plurality of third muffling chambers 61, one third muffling chamber 61 is communicated with both the outlet port 21 of one intake valve and the inlet port 31 of one relief valve paired with the intake valve 20, and the third muffling chamber 61 is provided with an outlet port 62. Because the air bag controlled by the electromagnetic valve only needs one interface which can be used as an inflation inlet and an air leakage inlet at the same time, the air inlet silencing cavity and the air leakage silencing cavity of the air bag do not need to be arranged independently. When the output port 62 is connected to the interface, the third silencing chamber 61 simultaneously performs silencing by inflating and deflating the airbag.
Referring to fig. 2 to 4, alternatively, the output port 62 is disposed on the opposite side of the third muffling chamber 61 from the upper cover 10, and the projection of the output port 62 onto the upper cover 10 is spaced from the air outlet 21 of the air intake valve and the air inlet 31 of the air release valve. So set up make delivery outlet 62 can not be relative with the gas outlet 21 of admission valve and the air inlet 31 of snuffle, one section stroke need be walked through third amortization chamber 61 reentrant delivery outlet 62 and gas through the gas inlet 31 of delivery outlet 62 reentrant snuffle valve in gas outlet 21 of admission valve like this, can play the effect that reduces the gas flow rate like this, further improve the noise-damping capacity of third amortization chamber 61.
Referring to fig. 1 and 5, alternatively, the solenoid valves are arranged in four rows, the two outer rows are arranged as the intake valves 20, the two inner rows are arranged as the release valves 30, and the air outlets of the release valves 30 are at the ends of the release valves 30 facing away from the upper cover 10. The release valve 30 and the intake valve 20 need to be provided in pairs, and one air bag needs at least one intake valve 20 and one release valve 30. Therefore, the electromagnetic valves are arranged into four rows, so that the corresponding relation of the electromagnetic valves is clearer and the connection is convenient. The air release valves 30 are concentrated in the middle two rows, and the air outlets of the air release valves 30 are at the same end away from the upper cover 10, so that the second silencing cavity 51 can be set as a silencing cavity shared by all the air release valves 30, which is beneficial to reducing the manufacturing cost.
Referring to fig. 1, the vent is optionally configured to consist of a plurality of miniature muffling holes 52. The micro muffling holes 52 also have a muffling function, and the arrangement of the micro muffling holes 52 can improve the muffling capability of the electromagnetic valve component.
Referring to fig. 1 and 2, alternatively, the air outlet is provided on a side of the second sound-deadening chamber 51 remote from the air release valve 30, and a projection of the air outlet of the air release valve 30 onto the side of the second sound-deadening chamber 51 provided with the air outlet is spaced from the air outlet. The arrangement ensures that the air outlet of the air release valve 30 is not opposite to the micro sound-deadening hole 52, so that the travel of the air from the air outlet of the air release valve 30 to the micro sound-deadening hole 52 is longer, the second sound-deadening cavity 51 can fully buffer the air, and the sound-deadening capacity of the electromagnetic valve component is further improved.
Referring to fig. 1 and 2, alternatively, a silencing cotton 70 is disposed outside the second silencing chamber 51, and the silencing cotton 70 covers the exhaust port. The silencing cotton 70 has the silencing function, and further silences the gas discharged from the miniature silencing hole 52, so that the silencing effect of the electromagnetic valve component is better.
Referring to fig. 1 and 2, optionally, the sound attenuating cotton 70 is a low density porous foam. The low-density porous foam has good silencing effect and low cost, and is beneficial to improving the silencing effect and reducing the cost.
The utility model discloses still provide a medical instrument, this medical instrument includes solenoid valve assembly, and this solenoid valve assembly's concrete structure refers to above-mentioned embodiment, because this medical instrument has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, gives unnecessary detail here one by one.
The medical apparatus comprises an anti-bedsore air cushion and an air pressure wave therapeutic apparatus. Both of these medical devices require an air pump and a plurality of valves to control the air pressure within the balloon. The electromagnetic valve in the electromagnetic valve component is electrically connected with a control module of the medical apparatus, and the control module controls the opening and closing of the electromagnetic valve. The air inlet nozzle is connected with an air source in the medical instrument, and the air source can be an air pump. The output port is connected with the air bag. When the air inlet valve is opened, the air source can inflate the air bag; when the release valve is opened, the gas in the airbag is discharged through the release valve.
Because above-mentioned solenoid valve subassembly has the amortization structure, so when medical instrument uses the utility model discloses solenoid valve in the embodiment of solenoid valve subassembly, can reduce the noise of medical instrument during operation.
The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.
Claims (10)
1. A solenoid valve assembly, comprising:
the upper cover is provided with a plurality of mounting holes;
the air inlet valve and the air release valve are both electromagnetic valves, the air inlet valve and the air release valve are installed on the upper cover through the installation holes, and the air inlet valve and the air release valve are arranged in a plurality of pairs;
the air inlet cover is arranged on the upper cover, and an air inlet nozzle is arranged on the air inlet cover;
the air inlet nozzle is communicated with the air inlet of the air inlet valve, a first silencing cavity is arranged between the air inlet nozzle and the air inlet of the air inlet valve, and the cross-sectional area of the first silencing cavity is larger than that of an air inlet channel in the air inlet nozzle; and/or
The valve plate, valve plate installs cover on the upper cover, just valve plate is in the solenoid valve deviates from one of upper cover serve with the solenoid valve butt, valve plate is last to be provided with the second amortization chamber, the second amortization chamber with the gas outlet intercommunication of snuffle valve, be provided with the gas vent on the second amortization chamber.
2. The solenoid valve assembly as described in claim 1 wherein said bore wall of said mounting bore, said cover wall of said inlet cover and said inner wall of said upper cover enclose said first muffling chamber, said first muffling chamber communicating with said inlet ports of said plurality of inlet valves.
3. The solenoid valve assembly as described in claim 1 further comprising a lower cover for engaging said upper cover, said lower cover having a plurality of third muffling chambers, one of said third muffling chambers being in communication with an outlet of one of said air intake valves and an inlet of said air release valve paired with said air intake valve, said third muffling chamber having an outlet.
4. The solenoid valve assembly of claim 3, wherein said output port is disposed on a side of said third muffling chamber opposite said top cover, and a projection of said output port onto said top cover is spaced from an outlet of said inlet valve and an inlet of said bleed valve.
5. An assembly according to claim 1, wherein said solenoids are arranged in four rows, two outer rows being provided as inlet valves and two inner rows being provided as outlet valves, the outlet of said outlet valves being at the end of said outlet valves facing away from said upper cover.
6. The solenoid valve assembly as recited in claim 5, wherein said exhaust port is configured to consist of a plurality of miniature muffling holes.
7. The solenoid valve assembly as described in claim 6 wherein said exhaust port is disposed on a side of said second sound-deadening chamber remote from said air-escape valve, and a projection of said air-escape valve's air outlet onto said side of said second sound-deadening chamber where said exhaust port is disposed is spaced from said exhaust port.
8. The solenoid valve assembly as recited in claim 5, wherein sound attenuating cotton is disposed outside of said second sound attenuating chamber, said sound attenuating cotton covering said exhaust port.
9. The solenoid valve assembly of claim 8, wherein said noise dampening foam is low density porous foam.
10. A medical device comprising the solenoid valve assembly of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449489.3U CN218408724U (en) | 2022-09-15 | 2022-09-15 | Solenoid valve subassembly and medical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222449489.3U CN218408724U (en) | 2022-09-15 | 2022-09-15 | Solenoid valve subassembly and medical instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218408724U true CN218408724U (en) | 2023-01-31 |
Family
ID=85032562
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222449489.3U Active CN218408724U (en) | 2022-09-15 | 2022-09-15 | Solenoid valve subassembly and medical instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218408724U (en) |
-
2022
- 2022-09-15 CN CN202222449489.3U patent/CN218408724U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3587568A (en) | Inflatable mattress apparatus | |
| JPH0226372Y2 (en) | ||
| CN211474396U (en) | Miniature air pump | |
| CN218408724U (en) | Solenoid valve subassembly and medical instrument | |
| CN215719049U (en) | Exhaust muffler and vehicle | |
| CN107811746B (en) | Control box subassembly and snore relieving pillow | |
| WO2023124336A1 (en) | Low-noise electromagnetic valve assembly, air bag massage device, and control method therefor | |
| CN218408633U (en) | Solenoid valve assembly and medical instrument | |
| CN108506198B (en) | Mute air pump of mattress with adjustable softness and hardness and intelligent control method thereof | |
| CN214248405U (en) | Combined type solenoid valve group with concentrated gas leakage structure | |
| CN111671277A (en) | Air bag type mute intelligent pillow | |
| CN218038568U (en) | Noise reduction system for pillow and liftable pillow | |
| CN214618004U (en) | Control valve and massage appearance | |
| JP2003148123A (en) | Air supply unit for vehicle | |
| CN217683396U (en) | Mute electromagnetic valve and air bag equipment | |
| CN211059409U (en) | Noise reduction electromagnetic valve and wearable device | |
| CN220395930U (en) | Dual-drive air pump | |
| CN216907504U (en) | Low-noise pillow of functional pillow and functional pillow | |
| CN216783334U (en) | Waist support massage device with simple structure | |
| US20230404281A1 (en) | Inflating pump | |
| CN218862816U (en) | Small-size integrated form vacuum generator | |
| CN220791351U (en) | Automobile sound wave exhaust device | |
| CN214403893U (en) | External silencing device of pump body and pneumatic comfortable system | |
| CN215350496U (en) | Pneumatic massage system of gas circuit control valve chamber structure and vehicle seat | |
| CN220554435U (en) | Air cushion controller and air bag mattress |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |