CN117739190A - Design method for air passage split flow of gas split flow device - Google Patents

Abstract

The invention discloses a design method for air passage diversion of a gas diversion device, which comprises the following steps: the gas diversion device comprises: the plug gas distribution seat, the at least one middle layer splitter plate and the bottom layer splitter plate are sequentially connected and can form a plurality of split layers; at least two plug bases are arranged on the plug gas distributing base and are communicated with the gas distributing layer; the connectors are arranged on the middle-layer flow distribution plate and the bottom-layer flow distribution plate and extend to the outside of the bottom-layer flow distribution plate; the design method is that the number of connectors is set according to the number of the interfaces on one connector assembly, and the number of the diversion layers is determined according to the total number of the interfaces on all the connector assemblies. Through the design of multi-level shunt layout, the number of the shunt layers can be increased along with the increase of the number of the plugs of the used equipment so as to reduce the complexity of the air passage layout, and the problem of larger size of the device can be effectively controlled; the problems of complex single-layer air passage layout and the like in the prior art are solved, the assembly process is simplified, the connection convenience is improved, the assembly efficiency is improved, and the assembly cost is saved.

Description

Design method for air passage split flow of gas split flow device

Technical Field

The invention relates to the technical field of auxiliary medical equipment, in particular to a design method for airway diversion of a gas diversion device.

Background

The gas flow dividing device can be used for air wave or air pressure massage products, the products need to realize the massage function by using inflation and deflation, and the products generally have at least two separated massage main bodies, so that in order to realize synchronous massage of different massage main bodies at the same time, the same inflation equipment is required to be adopted to simultaneously perform inflation or deflation operation for a plurality of massage main bodies through electromagnetic valve control, so that the uniformity of air flow distribution of different massage main bodies is ensured, the massage force is ensured, and the gas flow dividing device is required to be arranged between the inflation equipment and the massage main bodies.

However, in the prior art, the gas flow dividing device adopts a single-layer air passage to divide the flow, the pipeline layout is complex, the volume of the gas flow dividing device is large, the connection between the gas flow dividing device and the electromagnetic valve and the plurality of massage main bodies is relatively complex, and the assembly is inconvenient. Therefore, there is a need to provide a method of designing airway diversion of a gas diversion apparatus to at least partially solve the problems of the prior art.

Disclosure of Invention

In the summary, a series of concepts in a simplified form are introduced, which will be further described in detail in the detailed description. The summary of the invention is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

To at least partially solve the above problems, the present invention provides a method for designing an airway split of a gas split device, including:

the gas diversion apparatus includes: the plug gas distribution seat, the at least one middle layer splitter plate and the bottom layer splitter plate are sequentially connected and can form a plurality of split layers; at least two plug bases are arranged on the plug gas distributing base and are communicated with the gas distributing layer; the connectors are arranged on the middle-layer flow distribution plate and the bottom-layer flow distribution plate and extend to the outside of the bottom-layer flow distribution plate;

the design method is that the number of connectors is set according to the number of the interfaces on one connector assembly, and the number of the diversion layers is determined according to the total number of the interfaces on all the connector assemblies.

Preferably, the plug seat is connected with the air supply end of the using equipment, and a plurality of interfaces on one plug seat respectively correspond to a plurality of air paths of the using equipment; the connector is connected with the inflation equipment through an electromagnetic valve;

the number of the interfaces on one plug seat is the same as the number of the connectors, the connectors on the opposite connector seat and each plug seat are numbered in a one-to-one correspondence manner, the interfaces with the same number on different plug seats are communicated with the same connector with the corresponding number, and the electromagnetic valve can independently control the on-off of one connector and the inflating equipment.

Preferably, determining the number of the split layers based on the total number of interfaces on all the connectors includes:

each split flow layer comprises at least two secondary split flow air passages, and the interfaces with the same number on different plug bases are communicated with the same connector with the corresponding number through the same secondary split flow air passages.

Preferably, the number of interfaces with the same number on different plug bases is at least two.

Preferably, the secondary split air passage is formed by sealing and inserting a first air passage groove and a second air passage groove which are respectively arranged on the first plate body and the second plate body;

the first air channel groove is provided with at least two first through holes communicated with connectors with the same number on different plug bases, and the second air channel groove is provided with second through holes communicated with connectors with the corresponding number;

one side of the second plate body, which is far away from the first plate body, is provided with a joint communicated with the second through hole;

the first plate body is a plug gas distribution seat or a middle layer distribution plate, and the second plate body is a middle layer distribution plate or a bottom layer distribution plate.

Preferably, a communicating pipe is inserted into the first through hole on the flow dividing layer arranged far away from the plug gas dividing seat, and the communicating pipe is correspondingly arranged on the back side of the interface on the plug gas dividing seat, so that the interface is communicated with the first through hole.

Preferably, a sealing gasket is arranged in the first air channel groove, and the second air channel groove can be inserted into the first air channel groove to be abutted with the sealing gasket, so that a secondary split air channel is formed.

Preferably, the secondary flow separation channel comprises: the main air passage and the at least two branch air passages A are communicated with each other, the second through hole is positioned at the end part of the main air passage, and the first through hole is positioned at the end part of the branch air passage A far away from the main air passage; the line length from each first through hole to the second through hole is the same.

Preferably, the method further comprises: the first-stage flow dividing air passage is used for connecting the inflating equipment and the connector, one side of the first-stage flow dividing air passage is provided with an air inlet passage connected with the inflating equipment, the other side of the first-stage flow dividing air passage is provided with air outlet passages connected with the connector, and the number of the air outlet passages is the same as that of the connectors; the electromagnetic valve is arranged on the air outlet channel.

Preferably, the primary flow dividing airway comprises: the third air passage, the fourth air passage, the fifth air passage and the sixth air passage are sequentially arranged from inside to outside;

one end of the third air passage is communicated with the air inlet passage, and the other end of the third air passage is communicated with the fourth air passage;

the fourth air passage is formed by a plurality of branch air passages B which are distributed at intervals along the circumferential direction, and the plurality of branch air passages B are communicated with one end, far away from the air inlet passage, of the third air passage;

the fifth air passage is formed by a plurality of branch air passages C which are distributed at intervals along the axial direction, the branch air passages C are annular air passages, and the number of the branch air passages C is the same as the number of the air outlet passages; the number of the branch air passages C is the same as that of the branch air passages B, or the number of the branch air passages B is a multiple of that of the branch air passages C; the branch air passages C are communicated with a corresponding number of branch air passages B;

the sixth air passage is formed by a plurality of branch air passages D which are distributed at intervals along the axial direction, the branch air passages D are annular air passages, and the number of the branch air passages D is the same as that of the air outlet passages and are communicated with each other; the plurality of branch air passages D are respectively communicated with the plurality of branch air passages C, and the communicated positions of the plurality of branch air passages D are far away from the air outlet passage.

Compared with the prior art, the invention at least comprises the following beneficial effects:

according to the design method for the air passage split of the gas split device, the air passages of the gas split device can be respectively arranged on different split layers by arranging the split layers, so that the air passage layout is simplified, the air passages can be directly spliced with using equipment through the plug seat, the air passages can be conveniently connected with the electromagnetic valve through the connector, and the convenience of connection is realized;

the number of the split layers is determined according to the number of the interfaces on the plug seat, and reasonable air passage layout is performed on the basis of ensuring that each split layer can be fully utilized, so that the volume of the gas split device is reduced;

through the multi-level distribution layout design, the problems that in the prior art, single-layer air flue layout is complex or cannot be realized, the limited size of a plug of a device is difficult to meet, the volume of a gas distribution device is large, the assembly is complex and the like can be solved, the plug of the device, the connection between an electromagnetic valve and the device can be better simplified through a plug seat and a connector, and the convenience of connection is improved; in addition, the multi-level shunt layout design can increase the number of the shunt layers along with the increase of the number of the plugs of the used equipment so as to reduce the complexity of the air passage layout and effectively control the problem of larger size of the device; in addition, the device has small volume, can be used as a standard component, is simple and convenient to assemble, effectively improves the assembly efficiency and saves the assembly cost.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:

FIG. 1 is a schematic diagram showing the correspondence between the numbers of the connectors and the interfaces in the design method of the gas flow splitting device of the present invention;

FIG. 2 is a schematic diagram of a gas passing through a connector and interface numbered 3 in a method for designing airway splitting of a gas splitting device according to the present invention;

FIG. 3 is a schematic diagram of a gas passing through a connector and interface numbered 2 in the method for designing airway splitting of a gas splitting device according to the present invention;

FIG. 4 is a schematic cross-sectional view of a gas diversion apparatus according to the present invention;

FIG. 5 is a schematic diagram of a plug gas distribution seat in the gas distribution device according to the present invention;

FIG. 6 is a schematic view of a middle layer manifold in a gas distribution apparatus according to the present invention;

FIG. 7 is a schematic diagram of a flow distribution layer disposed near a plug flow distribution seat in the method for designing air channel flow distribution of the gas distribution device according to the present invention;

FIG. 8 is a schematic diagram of a flow distribution layer far away from a plug flow distribution seat in the design method of gas distribution of the gas distribution device of the present invention;

FIG. 9 is a schematic diagram of the connection of the gas diversion apparatus of the present invention to the utilization apparatus, solenoid valve and inflation apparatus;

FIG. 10 is a schematic diagram of the connection of the primary flow dividing airway, the inflator and the connector in the gas dividing device according to the present invention;

FIG. 11 is a schematic view of a longitudinal cross-sectional structure of a primary flow dividing airway in a gas dividing device according to the present invention;

FIG. 12 is a schematic cross-sectional view of a primary flow path of a gas flow splitting device according to the present invention;

fig. 13 is a schematic structural view of a safety airway in the gas diversion apparatus according to the present invention.

Detailed Description

The present invention is described in further detail below with reference to the drawings and examples to enable those skilled in the art to practice the invention by referring to the description.

It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

As shown in fig. 2, the present invention provides a method for designing airway diversion of a gas diversion apparatus, comprising:

the gas diversion apparatus includes: the plug gas distribution seat 1, at least one middle layer splitter plate 2 and one bottom layer splitter plate 3 which are connected in sequence and can form a plurality of splitter layers 7; at least two plug bases 4 which are arranged on the plug gas distributing base 1 and are communicated with the distributing layer 7; the joints 5 are arranged on the middle-layer flow distribution plate 2 and the bottom-layer flow distribution plate 3 and extend to the outside of the bottom-layer flow distribution plate 3;

the design method is that the number of the connectors 5 is set according to the number of the connectors 6 on one connector assembly 4, and the number of the diversion layers 7 is determined according to the total number of the connectors 6 on all the connector assemblies 4.

The plug gas distribution seat 1 is used for being connected with using equipment, the connector 5 can be connected with the inflating equipment 15 through an electromagnetic valve, when inflation is carried out, gas entering from the connector 5 can be respectively discharged from the plurality of connector bases 4 at the same time under the split flow action of the split flow layer 7, so that the plurality of using equipment can be inflated at the same time, when deflation is carried out, negative pressure is formed at the connector 5, the gas in the plurality of using equipment is sucked at the same time, and the gas can be uniformly converged to the connector 5 through the split flow layer 7 through different connector bases 4, so that the simultaneous deflation is realized;

the gas passages of the gas flow dividing device can be respectively arranged on different flow dividing layers 7 by arranging the plurality of flow dividing layers 7, so that the layout of the gas passages is simplified, the gas passages can be directly spliced with using equipment through the plug seat 4, and the gas passages can be conveniently connected with the electromagnetic valve through the connector 5, so that the convenience of connection is realized;

the number of the diversion layers 7 is determined according to the number of the interfaces 6 on the plug seat 4, and reasonable air passage layout is performed on the basis of ensuring that each diversion layer 7 can be fully utilized, so that the volume of the gas diversion device is reduced.

As shown in fig. 1-3, further, the plug base 4 is connected with the air supply end of the using device, and the plurality of interfaces 6 on one plug base 4 respectively correspond to a plurality of air paths of the using device; the joint 5 is connected with the inflation equipment 15 through an electromagnetic valve;

the number of the connectors 6 on one connector assembly 4 is the same as the number of the connectors 5, and the connectors 5 and the connectors 6 on each connector assembly 4 are numbered in a one-to-one correspondence, so that the connectors 6 with the same number on different connector assemblies 4 are communicated with the same connector 5 with the corresponding number, and the electromagnetic valve can independently control the on-off of one connector 5 and the inflation equipment 15.

Taking the using equipment as leg massage main bodies as an example, two massage main bodies need to synchronously massage two legs at the same time, a plurality of air channels are needed to realize the massage function, different air channels can be alternately inflated and deflated, and the plurality of air channels of one using equipment are respectively communicated with the plurality of interfaces 6 of one plug seat 4; in order to realize synchronous massage of two massage main bodies, the numbers of the interfaces 6 on each connector assembly 4 are in one-to-one correspondence with the connectors 5, and the number of the connectors 5 is four on the assumption that the interfaces 6 on one connector assembly 4 are four, namely the massage main bodies are provided with four air paths, and the interfaces 6 with the same number on different connector assemblies 4 can be communicated with the connectors 5 with the corresponding numbers through the communication of the shunt layer 7, so that synchronous massage of the two massage main bodies can be realized through the control of electromagnetic valves;

for example, the numbers of the four interfaces 6 on the two connectors 4 are 1, 2, 3 and 4, the numbers of the corresponding connectors 5 are 1, 2, 3 and 4, and the two interfaces 6 with the number 1 are communicated with the connector 5 with the number 1 through the shunt layer 7.

As shown in fig. 4 and 7, further, determining the number of the shunt layers 7 according to the total number of the interfaces 6 on all the connectors 4 includes:

each split-flow layer 7 comprises at least two secondary split-flow air passages 8, and the interfaces 6 with the same number on different plug bases 4 are communicated with the same joint 5 with the corresponding number through the same secondary split-flow air passages 8.

A secondary shunt airway 8 is used to provide a same number of interfaces 6 in communication with the corresponding number of connectors 5, e.g. two number 2 interfaces 6 are in communication with the connectors 5 via a secondary shunt airway 8, so that the number of shunt layers 7 can be determined depending on the number of interfaces 6 and the number of secondary shunt airways 8 each shunt layer 7 is capable of accommodating.

As shown in fig. 5-8, in one embodiment, the secondary split air channel 8 is formed by sealing and inserting a first air channel groove 810 and a second air channel groove 820 respectively arranged on the first plate body and the second plate body;

at least two first through holes 811 communicated with the same number of connectors 6 on different plug bases 4 are arranged on the first air passage groove 810, and a second through hole 821 communicated with the corresponding number of connectors 5 is arranged on the second air passage groove 820;

a joint 5 communicated with the second through hole 821 is arranged on one side of the second plate body far away from the first plate body;

the first plate body is a plug gas distribution seat 1 or a middle layer splitter plate 2, and the second plate body is a middle layer splitter plate 2 or a bottom layer splitter plate 3.

The secondary flow dividing air passage 8 is formed by sealing and inserting a first air passage groove 810 and a second air passage groove 820 which are arranged on two plate bodies, and the two plate bodies can be clamped and fixed, so that the integral installation of the gas flow dividing device is convenient, and the assembly is simpler and more convenient;

when the inflatable type air-conditioning device is inflated, air can enter the secondary split air channel 8 from the second through holes 821 to be split, and then enter the plurality of interfaces 6 with the same number after passing through each first through hole 811 at the same time, so as to supply air for the same air channel of different using devices.

As shown in fig. 5, a communication pipe 9 is inserted into the first through hole 811 in the split layer 7 provided away from the plug gas holder 1, and the communication pipe 9 is provided on the back side of the port 6 on the plug gas holder 1 so that the port 6 communicates with the first through hole 811.

Because the number of the split-flow layers 7 is at least two, the two-level split-flow air passages 8 on the split-flow layers 7 which are arranged far away from the plug split-flow seat 1 are required to be communicated with the interface 6 through the communicating pipe 9, so that the interface 6 can be directly communicated with the two-level split-flow air passages 8 communicated with the interface, and the air passage layout is more reasonable and simple.

As shown in fig. 3, further, a sealing gasket 10 is disposed in the first air channel groove 810, and the second air channel groove 820 can be inserted into the first air channel groove 810 to abut against the sealing gasket 10, so as to form the secondary split air channel 8.

In order to ensure tightness, the sealing gasket 10 with the same shape is arranged in the first air channel groove 810, after the two plate bodies are buckled, the second air channel groove 820 can be inserted into the first air channel groove 810, and the sealing gasket 10 is abutted tightly by the second air channel groove 820 to realize sealing, so that the secondary flow distribution air channel 8 with better tightness is formed.

As shown in fig. 7, in one embodiment, the secondary shunt airway 8 includes: the main air passage 830 and the at least two branch air passages A840 are communicated with each other, the second through hole 821 is positioned at the end part of the main air passage 830, and the first through hole 811 is positioned at the end part of the branch air passage A840 far away from the main air passage 830; the line length from each first via 811 to the second via 821 is the same.

In order to ensure the uniformity of the split flow, the main air passage 830 and the at least two branch air passages a840 are designed such that the lengths of the lines from the second through hole 821 to each of the first through holes 811 are the same, so as to achieve the synchronous inflation and deflation of different massage bodies, thereby achieving a better effect.

In one embodiment, the number of the same numbered ports 6 on different connector blocks 4 is at least two.

Further, the number of the interfaces 6 with the same number needs to meet the condition that when the gas flow through the joint 5 is the minimum value, the gas flow through the interfaces 6 can meet the working requirement of the using equipment;

wherein, the working requirement of the using equipment is that the inflation or deflation can be completed within a set time.

Since the number of the plug sockets 4 is increased under the condition that the number of the used devices is increased, so that when the inflatable device is inflated, air is discharged from the plurality of connectors 6 with the same number after being split through one connector 5, the inflation and deflation time of the used devices is increased under the condition that the inflation and deflation pressure of the inflatable device 15 is unchanged, and when the used devices are massage main bodies, the alternation of inflation and deflation is carried out in a short time, so that the number of the used devices and the plug sockets 4 can meet the working requirements of the used devices under the condition that the volume of the air splitting device is reduced as much as possible, and the inflation and deflation of the used devices can be completed within the set time.

In one embodiment, if the number P3 of the connectors 4 is unchanged and the number P2 of the ports 6 on each connector 4 is increased and even, the number P1 of the shunt layers 7 and the number P2 of the ports 6 on each connector 4 have the following relationship:

P2＝2P1；

if the number P3 of the connectors 4 is unchanged and the number P2 of the ports 6 on each connector 4 is increased and odd, the number P1 of the shunt layers 7 and the number P2 of the ports 6 on each connector 4 have the following relationship:

P2-1＝2P1；

if the number P2 of the connectors 6 on each connector assembly 4 is unchanged, and the number P3 of the connector assemblies 4 is increased, the number P4 of the branch air passages a840 of the secondary air passage 8 is increased and p4=p3 on the premise that the gas flow rate passing through the connectors 6 can meet the working requirement of the equipment.

In the embodiment, a preferred design method for the number of the shunt layers 7 and the interfaces 6 is provided, and the design is performed by using the number of the devices and the air paths;

if the number of the used devices is not changed, but the air path of each used device is increased, that is, the number P3 of the plug sockets 4 is not changed, but the number of the interfaces 6 on each plug socket 4 is increased, it is required to determine that the number of the interfaces 6 is an even number or an odd number first, if the number is an even number, the number of the shunting layers 7 can be designed to be half of the number of the interfaces 6 on each plug socket 4, so that the space of the shunting layers 7 can be fully utilized under the limited size of the shunting layers 7, that is, two secondary shunting air passages 8 can be arranged on each shunting layer 7; if the number of the interfaces 6 is odd, the number of the interfaces 6 is reduced by 1 to obtain an even number, and then the interfaces are divided by 2 to obtain the number of the flow dividing layers 7, so that the space of the flow dividing layers 7 can be further utilized to reduce the volume of the gas flow dividing device;

if the gas path of the equipment is unchanged, but the number of the equipment is increased, the number of the interfaces 6 on each connector assembly 4 is unchanged, the number P3 of the connector assemblies 4 is increased, the branch gas path a840 of the secondary flow dividing gas path 8 needs to be increased, the increase of the branch gas path a840 needs to be considered, whether the gas flow passing through the interfaces 6 can meet the working requirement of the equipment or not, if the gas flow passing through the interfaces 6 can be met, the number of the branch gas paths a840 can be increased, and if the gas flow passing through the interfaces cannot be met, the sectional area of the secondary flow dividing gas path 8 and the sectional area of the joint 5 need to be increased, so that the gas flow passing through the joint 5 and the secondary flow dividing gas path 8 in unit time is improved, and the working requirement of the equipment is met.

As shown in fig. 10, in one embodiment, further includes: a first-stage flow dividing air passage 11 for connecting the inflating equipment 15 and the joint 5, wherein one side of the first-stage flow dividing air passage 11 is provided with an air inlet passage 12 connected with the inflating equipment 15, the other side is provided with air outlet passages 13 connected with the joint 5, and the number of the air outlet passages 13 is the same as that of the joints 5; the solenoid valve is arranged on the outlet channel 13.

When using, the air current need divide to each air outlet channel 13 after passing through intake duct 12, through the gas flow of every air outlet channel 13 of solenoid valve control, the equipment of aerifing 15 can circulate and fill gassing to the equipment of using, the instantaneous flow through intake duct 12 can rapidly increase when aerifing initially, form the impact to the air outlet channel 13 that is connected between equipment of aerifing 15 and the joint 5, produce undulant, influence and use and experience, consequently, set up one-level reposition of redundant personnel air flue 11 in the junction, can form the buffering to the air current that gets into by intake duct 12, can also play the effect of reposition of redundant personnel.

As shown in fig. 11 to 12, further, the primary diverting air passage 11 includes: a third air passage 111, a fourth air passage 112, a fifth air passage 113 and a sixth air passage 114 which are sequentially arranged from inside to outside;

one end of the third air passage 111 is communicated with the air inlet passage 12, and the other end of the third air passage 111 is communicated with the fourth air passage 112;

the fourth air passage 112 is formed by a plurality of branched air passages B1121 distributed at intervals along the circumferential direction, and the branched air passages B1121 are all communicated with one end of the third air passage 111 away from the air inlet 12;

the fifth air passage 113 is formed by a plurality of branch air passages C1131 distributed at intervals along the axial direction, the branch air passages C1131 are annular air passages, and the number of the branch air passages C1131 is the same as the number of the air outlet passages 13; the number of the branch air passages C1131 is the same as the number of the branch air passages B1121, or the number of the branch air passages B1121 is a multiple of the number of the branch air passages C1131; the branch air passages C1131 are communicated with a corresponding number of branch air passages B1121;

for example, the number of the branch air passages B1121 is 8, and the number of the branch air passages C1131 is 4, so that one branch air passage C1131 is communicated with two branch air passages B1121, and if the number of the two branch air passages is the same, the two branch air passages are communicated in a one-to-one correspondence manner;

the sixth air passage 114 is formed by a plurality of branched air passages D1141 distributed at intervals along the axial direction, the branched air passages D1141 are annular air passages, and the number of the branched air passages D1141 is the same as the number of the air outlet passages 13 and are mutually communicated; the plurality of branch air passages D1141 are respectively communicated with the plurality of branch air passages C1131, and the communicating positions thereof are disposed away from the air outlet passage 13.

The third air passage 111 is communicated with the air inlet passage 12, a buffer cavity is formed at the joint of the third air passage 111 and the air inlet passage 12, so that impact force generated instantaneously can be reduced, then air flows from the third air passage 111 to the other end of the first-stage split air passage 11, is uniformly split into each branch air passage B1121 of the fourth air passage 112, flows along the axial direction of the fourth air passage 112, flows to the fifth air passage 113 in the radial direction, forms impact with the side wall of the fifth air passage 113 to form a buffer effect, then enters into the sixth air passage 114 to be buffered again, and finally is stably discharged from the air outlet passage 13 to reduce impact on the air outlet passage 13; through the above technical scheme, the first-level flow dividing air passage 11 can buffer and divide the air flow entering from the air inlet passage 12, so that the air flow entering into the air outlet passage 13 is stable, the subsequent air passage cannot be impacted, the impact force on the connecting part of each part is reduced, the occurrence of air leakage is prevented, and the service life is prolonged.

In addition, when in use, in order to prevent the damage to the human body part caused by the overlarge massage force of the equipment from being used and influence the use experience, as shown in fig. 13, a safety air passage 14 is arranged on one side of the air outlet passage 13, the safety air passage 14 is arranged at the upstream or downstream of the electromagnetic valve, the safety air passage 14 is in a continuous shape, one end of the safety air passage 14 is provided with at least two air passages A141 communicated with the air outlet passage 13, the other end of the safety air passage is provided with at least two air passages B142 communicated with the outside, and the inner diameter of the safety air passage 14 is equal to or less than one tenth of the inner diameter of the air outlet passage 13.

When the air pressure in the air outlet channel 13 exceeds the safe use range, the safety air channel 14 can exhaust outwards, and air flow can enter from the air outlet channel A141 and then sequentially pass through the continuous Chinese character 'ji' -shaped safety air channel 14 and then be discharged from the air outlet channel B142; when the air pressure of the air outlet channel 13 is within the normal use range, the safety air channel 14 can not exhaust air or a small amount of air is exhausted, because the inner diameter of the safety air channel 14 is smaller, after the air flow enters the safety air channel 14, continuous impact can be formed on the continuous rectangular safety air channel 14, so that the exhausted air flow and the air pressure are very small, when the air pressure in the air outlet channel 13 is within the safe use range, the air pressure can not be exhausted from the safety air channel 14, or very little air pressure is exhausted from the safety air channel 14, and when the air pressure in the air outlet channel 13 exceeds the safe use range, the air pressure in the air outlet channel 13 can also be slowly exhausted, thereby ensuring the normal use of the equipment, ensuring the use safety, not damaging human bodies and improving the use experience.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present invention have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the invention would be readily apparent to those skilled in the art, and accordingly, the invention is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.

Claims (10)

1. A design method for the gas channel split of a gas split device is characterized in that,

the gas diversion apparatus includes: the plug gas distribution seat (1), at least one middle layer splitter plate (2) and one bottom layer splitter plate (3) are sequentially connected and can form a plurality of splitter layers (7); at least two plug bases (4) which are arranged on the plug gas distributing base (1) and are communicated with the gas distributing layer (7); the joint (5) is arranged on the middle-layer flow distribution plate (2) and the bottom-layer flow distribution plate (3) and extends to the outside of the bottom-layer flow distribution plate (3);

the design method is that the number of the connectors (5) is set according to the number of the interfaces (6) on one connector assembly (4), and the number of the shunt layers (7) is determined according to the total number of the interfaces (6) on all the connector assemblies (4).

2. The method for designing the gas channel split of the gas split device according to claim 1, wherein the plug seat (4) is connected with a gas supply end of the using equipment, and a plurality of interfaces (6) on one plug seat (4) respectively correspond to a plurality of gas channels of the using equipment; the joint (5) is connected with the inflation equipment (15) through an electromagnetic valve;

the number of the interfaces (6) on one plug seat (4) is the same as the number of the connectors (5), the connectors (5) and the interfaces (6) on each plug seat (4) are numbered in a one-to-one correspondence, the interfaces (6) with the same number on different plug seats (4) are communicated with the same connector (5) with the corresponding number, and the electromagnetic valve can independently control the on-off of one connector (5) and the inflating equipment (15).

3. The method of designing an airway split of a gas splitting device according to claim 2, wherein determining the number of split layers (7) from the total number of interfaces (6) on all plug bases (4) comprises:

each split-flow layer (7) comprises at least two secondary split-flow air passages (8), and the interfaces (6) with the same number on different plug bases (4) are communicated with the same joint (5) with the corresponding number through the same secondary split-flow air passages (8).

4. A method of designing an airway split of a gas splitting device according to claim 3, characterized in that the number of interfaces (6) with the same number on different connectors (4) is at least two.

5. The method for designing the gas flow splitting of the gas flow splitting device according to claim 4, wherein the secondary flow splitting gas flow channel (8) is formed by sealing and inserting a first gas flow channel groove (810) and a second gas flow channel groove (820) which are respectively arranged on the first plate body and the second plate body;

at least two first through holes (811) communicated with the same numbered interfaces (6) on different plug sockets (4) are formed in the first air passage groove (810), and a second through hole (821) communicated with the corresponding numbered connectors (5) is formed in the second air passage groove (820);

one side of the second plate body far away from the first plate body is provided with a joint (5) communicated with the second through hole (821);

the first plate body is a plug gas distribution seat (1) or a middle-layer flow distribution plate (2), and the second plate body is a middle-layer flow distribution plate (2) or a bottom-layer flow distribution plate (3).

6. The method for designing the gas flow splitting of the gas flow splitting device according to claim 5, wherein the communicating pipe (9) is inserted into the first through hole (811) on the flow splitting layer (7) arranged far away from the plug gas splitting seat (1), and the communicating pipe (9) is correspondingly arranged on the back side of the interface (6) on the plug gas splitting seat (1) so that the interface (6) is communicated with the first through hole (811).

7. The method for designing the gas flow splitting of the gas flow splitting device according to claim 5, wherein a sealing gasket (10) is arranged in the first gas flow path groove (810), and the second gas flow path groove (820) can be inserted into the first gas flow path groove (810) to be abutted with the sealing gasket (10) so as to form a secondary flow splitting gas path (8).

8. The method of designing an airway split of a gas splitting device according to claim 5, wherein the secondary split airway (8) comprises: the main air passage (830) and the at least two branch air passages A (840) are communicated with each other, the second through hole (821) is positioned at the end part of the main air passage (830), and the first through hole (811) is positioned at the end part of the branch air passage A (840) far away from the main air passage (830); the line length from each first through hole (811) to the second through hole (821) is the same.

9. The method of designing airway splitting of a gas splitting device of claim 2, further comprising: the device comprises a first-stage flow dividing air passage (11) for connecting an inflating device (15) and a connector (5), wherein one side of the first-stage flow dividing air passage (11) is provided with an air inlet passage (12) connected with the inflating device (15), the other side of the first-stage flow dividing air passage is provided with air outlet passages (13) connected with the connector (5), and the number of the air outlet passages (13) is the same as that of the connectors (5); the electromagnetic valve is arranged on the air outlet channel (13).

10. The method of designing an airway split of a gas splitting device according to claim 9, wherein the primary split airway (11) comprises: the third air passage (111), the fourth air passage (112), the fifth air passage (113) and the sixth air passage (114) are sequentially arranged from inside to outside;

one end of the third air passage (111) is communicated with the air inlet passage (12), and the other end of the third air passage is communicated with the fourth air passage (112);

the fourth air passage (112) is formed by a plurality of branch air passages B (1121) which are distributed at intervals along the circumferential direction, and the plurality of branch air passages B (1121) are communicated with one end of the third air passage (111) far away from the air inlet passage (12);

the fifth air passage (113) is formed by a plurality of branch air passages C (1131) which are distributed at intervals along the axial direction, the branch air passages C (1131) are annular air passages, and the number of the branch air passages C (1131) is the same as the number of the air outlet passages (13); the number of the branch air passages C (1131) is the same as the number of the branch air passages B (1121), or the number of the branch air passages B (1121) is a multiple of the number of the branch air passages C (1131); the branch air passages C (1131) are communicated with a corresponding number of branch air passages B (1121);

the sixth air passage (114) is formed by a plurality of branch air passages D (1141) which are distributed at intervals along the axial direction, the branch air passages D (1141) are annular air passages, and the number of the branch air passages D (1141) is the same as the number of the air outlet passages (13) and are communicated with each other; the plurality of branch air passages D (1141) are respectively communicated with the plurality of branch air passages C (1131), and the communicated positions of the plurality of branch air passages D and the plurality of branch air passages C are far away from the air outlet passage (13).