CN118238701A - Air path control unit for pneumatic waist support control - Google Patents
Air path control unit for pneumatic waist support control Download PDFInfo
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- CN118238701A CN118238701A CN202311782659.2A CN202311782659A CN118238701A CN 118238701 A CN118238701 A CN 118238701A CN 202311782659 A CN202311782659 A CN 202311782659A CN 118238701 A CN118238701 A CN 118238701A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 362
- 229910052742 iron Inorganic materials 0.000 claims abstract description 181
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 26
- 230000030279 gene silencing Effects 0.000 claims description 24
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract 1
- 238000007599 discharging Methods 0.000 description 11
- 230000033228 biological regulation Effects 0.000 description 9
- 230000001276 controlling effect Effects 0.000 description 8
- 238000009423 ventilation Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
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Abstract
The invention provides a gas circuit control unit for pneumatic waist support control, which comprises: the control box body is internally provided with a control board, a plurality of electromagnetic valve groups which are arranged at intervals in parallel are arranged on the control board, the control board is independently connected with each electromagnetic valve group, each electromagnetic valve group consists of an inflation electromagnetic valve, an exhaust electromagnetic valve and an electromagnetic valve connecting block, the front fixed iron of the inflation electromagnetic valve of the electromagnetic valve group is sleeved with a sealing ring to be fixed in the inflation electromagnetic valve fixing hole of the control box body, and the rear journal of the rear fixed iron of the exhaust valve of the exhaust electromagnetic valve of the electromagnetic valve group is fixed in the exhaust electromagnetic valve fixing hole of the end cover of the control box body. According to the invention, the electromagnetic valve connecting block is used for connecting the inflation electromagnetic valve and the exhaust electromagnetic valve into the compact electromagnetic valve group, and the air path in the control box body is innovatively designed, so that the compact optimization of the air path control unit is realized, and the flexibility of the air path control unit in adjusting and controlling the inflation state of the waist support air bag is improved.
Description
Technical Field
The invention relates to the technical field of air channel control, in particular to an air channel control unit for pneumatic waist support control.
Background
In order to relieve fatigue of people in long-distance driving or riding, a pneumatic waist support is arranged on an automobile seat to serve as a supporting device of the seat, the waist support is adjusted and supported through inflation, pressure maintaining or exhaust of a waist support air bag, the higher the inflation pressure of the waist support air bag is, the harder the inflation of the air bag is, the lower the inflation pressure of the waist support air bag is, the softer the inflation of the air bag is, different users have different supporting requirements on the waist support, and an air path control unit is needed to flexibly adjust the inflation state of each waist support air bag. However, the existing air path control unit has a complex and compact structure, requires a large installation space, and is not flexible enough to adjust the inflation state of the waist support air bag, so that improvement is needed.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the air passage control unit for controlling the pneumatic waist support, the electromagnetic valve connecting block is used for connecting the inflation electromagnetic valve and the exhaust electromagnetic valve into the compact electromagnetic valve group, and the air passage in the control box body is innovatively designed, so that the air passage control unit is compact and optimized in structure, the external dimension is minimized, and the flexibility of the air passage control unit in adjusting and controlling the inflation state of the waist support air bag is improved.
The invention provides a gas circuit control unit for pneumatic waist support control, which comprises: the control box body is internally provided with a control board, a plurality of electromagnetic valve groups which are arranged at intervals in parallel are arranged on the control board, the control board is independently connected with each electromagnetic valve group, and each electromagnetic valve group consists of an inflation electromagnetic valve, an exhaust electromagnetic valve and an electromagnetic valve connecting block; the front end journal of the electromagnetic valve connecting block stretches into a hole of the inflation valve coil from the rear end of the inflation valve coil of the inflation electromagnetic valve, an inflation valve spring is arranged on the front end journal of the electromagnetic valve connecting block, an inflation valve moving iron is arranged between an inflation valve front fixed iron and the electromagnetic valve connecting block, a counter bore is formed in the front end of the inflation valve moving iron, an overflow hole communicated with the counter bore at the front end of the inflation valve moving iron is formed in the inflation valve moving iron, an inflation valve air inlet plug is arranged in the counter bore at the front end of the inflation valve moving iron, and an overflow notch is formed in the inflation valve air inlet plug; the rear end journal of the electromagnetic valve connecting block stretches into the hole of the exhaust valve coil from the front end of the exhaust valve coil of the exhaust electromagnetic valve, the front end journal of the exhaust valve rear fixed iron stretches into the hole of the exhaust valve coil from the rear end of the exhaust valve coil, the rear end of the exhaust valve rear fixed iron is provided with an air outlet joint with an axle center through hole, an exhaust valve spring is arranged on the front end journal of the exhaust valve rear fixed iron, an exhaust valve moving iron is arranged between the exhaust valve rear fixed iron and the electromagnetic valve connecting block, the front end of the exhaust valve moving iron is provided with a counter bore, the bottom of the front end counter bore of the exhaust valve moving iron is provided with an exhaust plug fixing hole and an exhaust valve moving iron locating pin hole, which is offset from the axle center of the exhaust valve moving iron, an exhaust valve moving iron locating pin is arranged in the hole, the front end of the exhaust valve moving iron is connected with the front end of the exhaust valve moving iron locating pin, and the front end of the exhaust valve moving iron is connected with the air valve moving iron locating pin hole, the exhaust valve moving iron is connected with the air outlet valve moving iron locating pin hole, and the exhaust valve moving iron is connected with the air valve moving iron locating pin hole.
Preferably, the control box body is provided with an air inlet joint with an air inlet hole, an air inflation electromagnetic valve fixing hole communicated with the air inlet hole of the air inlet joint, a control box body air passage connecting hole communicated with each air inflation electromagnetic valve fixing hole and a pressure regulating air release hole communicated with the air inflation electromagnetic valve fixing hole are arranged in the control box body, and a pressure regulating air outlet is arranged at the outer side of the pressure regulating air release hole of the control box body.
Preferably, the pressure regulating and air leakage silencing block fixing column is arranged on the pressure regulating valve mounting lug of the control box body, the empty-avoiding groove extending to the port of the control box body is arranged on the side face of the control box body, the pressure regulating valve is arranged on the outer side of the pressure regulating and air leakage hole of the control box body, and the pressure regulating and air leakage silencing block fixing column on the control box body is provided with the pressure regulating and air leakage silencing block.
Preferably, the rear end journal of the fixed iron before the inflation valve stretches into the front end counter bore of the inflation valve moving iron to form a magnetic circuit between the rear end journal of the fixed iron before the inflation valve and the front part of the inflation valve moving iron, and a gap for blocking an axial magnetic circuit between the middle journal end surface of the fixed iron before the inflation valve and the front end surface of the inflation valve moving iron is arranged between the middle journal end surface of the fixed iron before the inflation valve and the front end surface of the inflation valve moving iron.
Preferably, a clamping groove is formed in the middle shaft neck of the electromagnetic valve connecting block, the front end of the inflation valve bracket is clamped on the middle shaft neck of the front fixed iron of the inflation valve, and the rear end of the inflation valve bracket is clamped in the clamping groove of the middle shaft neck of the electromagnetic valve connecting block at the same time, so that components of the inflation electromagnetic valve are fixed into an inflation electromagnetic valve whole.
Preferably, the rear end journal of the electromagnetic valve connecting block stretches into the front end counter bore of the exhaust valve moving iron to form a magnetic circuit between the rear end journal of the electromagnetic valve connecting block and the front part of the exhaust valve moving iron, and a gap for isolating an axial magnetic circuit between the middle journal end surface of the electromagnetic valve connecting block and the front end surface of the exhaust valve moving iron is arranged between the middle journal end surface of the electromagnetic valve connecting block and the front end surface of the exhaust valve moving iron.
Preferably, the rear end of the exhaust valve support is clamped on the middle shaft neck of the exhaust valve rear fixed iron, and the front end of the exhaust valve support is clamped in the clamping groove of the middle shaft neck of the electromagnetic valve connecting block, so that the components of the exhaust electromagnetic valve are fixed into the whole exhaust electromagnetic valve.
Preferably, an exhaust groove on the middle shaft neck of the electromagnetic valve connecting block is internally provided with an air-permeable exhaust silencing block.
Preferably, a control box end cover is mounted at the front end of the control box body, an exhaust electromagnetic valve fixing hole and a screw hole lug are arranged in the control box end cover, a screw hole is formed in the screw hole lug of the control box end cover, and an end cover side plate is arranged on the side face of the control box end.
Preferably, the front iron fixing ring of the charging valve of the charging electromagnetic valve is sleeved with the sealing ring to be fixed in the charging electromagnetic valve fixing hole of the control box body, the rear shaft neck of the rear iron fixing ring of the exhaust valve of the exhaust electromagnetic valve is fixed in the exhaust electromagnetic valve fixing hole of the end cover of the control box, and the end cover screw fixes the end cover of the control box and the control box body into a whole.
The air path control unit for controlling the pneumatic waist support has the beneficial effects that: the air passage control unit for pneumatic waist support control is simple in structure, the electromagnetic valve connecting block is used for connecting the inflation electromagnetic valve and the exhaust electromagnetic valve into a compact electromagnetic valve group, and an air passage in the control box body is innovatively designed, so that the air passage control unit is compact and optimized in structure, the external dimension is minimized, and the flexibility of the air passage control unit in adjusting and controlling the inflation state of the waist support air bag is improved. When the electromagnetic valve of the electromagnetic valve bank is not electrified in actual operation, the inflation valve spring of the inflation electromagnetic valve pushes the inflation valve moving iron forwards to drive the inflation valve air inlet plug fixed on the inflation valve moving iron to block the air inlet hole of the front fixed iron of the inflation valve, the exhaust valve spring of the exhaust electromagnetic valve pushes the exhaust valve moving iron forwards to drive the exhaust valve air outlet plug fixed on the exhaust valve moving iron to block the air outlet hole on the electromagnetic valve connecting block, and the air inlet and the air outlet of the electromagnetic valve bank are both in a closed state when the electromagnetic valve of the electromagnetic valve bank is not electrified. when a certain waist holds in palm air pocket such as A air pocket needs to be inflated, the air circuit controller energizes the inflation solenoid valve of the A solenoid valve group, the electromagnetic force of the magnetic field generated by the inflation valve coil overcomes the elasticity of the inflation valve spring and drives the inflation valve moving iron to move backwards so as to drive the inflation valve air inlet plug arranged in the inflation valve moving iron to move backwards so as to open the air inlet of the inflation solenoid valve, high-pressure air conveyed from the air pump to the air circuit control unit passes through the air inlet of the air inlet connector of the control box body and the inflation solenoid valve fixing hole, the air inlet hole of the inflation valve front fixed iron, the overflow notch on the air inlet plug of the inflation valve, the inflation valve moving iron (the overflow hole in the inflation valve, the positioning pin hole of the solenoid valve connecting block, the axle center through hole of the exhaust valve moving iron positioning pin, the air inlet of the inflation solenoid valve fixing hole, The air path controller cuts off the power supply of the inflation electromagnetic valve of the electromagnetic valve group A, the magnetic field generated by the inflation valve coil disappears, the elasticity of the inflation valve spring drives the inflation valve moving iron to move forwards, and the inflation valve air inlet plug arranged in the inflation valve moving iron is driven to move forwards to block the air inlet hole of the inflation electromagnetic valve, so that the air bag A is in a pressure maintaining state. When a certain waist holds in the air pocket such as C air pocket needs to be exhausted, the air circuit controller energizes the exhaust electromagnetic valve of the C electromagnetic valve bank, the electromagnetic force of the magnetic field generated by the exhaust valve coil overcomes the elasticity of the exhaust valve spring to drive the exhaust valve moving iron to move backwards so as to drive the exhaust valve exhaust plug arranged in the exhaust valve moving iron to move backwards so as to open the exhaust hole on the electromagnetic valve connecting block, the air in the C air pocket is exhausted through the axial through hole of the exhaust valve rear fixed iron of the exhaust electromagnetic valve of the C electromagnetic valve bank, the overflow hole in the exhaust valve moving iron, the axial through hole and the ventilation slot of the exhaust valve moving iron positioning pin, the front end counter bore of the exhaust valve moving iron, the exhaust hole and the exhaust slot on the electromagnetic valve connecting block and the exhaust silencing block, The exhaust silencing block suppresses exhaust noise, the air circuit controller cuts off the power supply of the exhaust electromagnetic valve of the C electromagnetic valve group, the magnetic field generated by the exhaust valve coil disappears, the elasticity of the exhaust valve spring drives the exhaust valve moving iron to move forwards to drive the exhaust valve exhaust plug arranged in the exhaust valve moving iron (the exhaust hole on the electromagnetic valve connecting block is blocked to move forwards so as to enable the C air bag to be in a pressure maintaining state, and the like, the air circuit controller only needs to electrify the inflation electromagnetic valve of the corresponding electromagnetic valve group when the waist support air bag is inflated, and only needs to electrify the exhaust electromagnetic valve of the corresponding electromagnetic valve group when the waist support air bag is exhausted, so that flexible regulation and control of the air circuit control unit on the inflation state of the waist support air bag is realized.
Drawings
Fig. 1 is a schematic view of the assembly of a three-dimensional structure of the present invention.
Fig. 2 is a longitudinal structural cross-sectional view of the present invention.
Fig. 3 is a cross-sectional view of the transverse structure of the present invention.
Fig. 4 is an oblique view of the control box of the present invention.
FIG. 5 is an oblique view of a control box end cap of the present invention.
Fig. 6 is a structural cross-sectional view of a solenoid valve connection block in the present invention.
In the figure: 1. a control box body; 1-1, an air inlet joint; 1-2, an inflation electromagnetic valve fixing hole; 1-3, controlling the gas path connecting hole of the box body; 1-4, pressure regulating and venting holes; 1-5, a pressure regulating exhaust port; 1-6, fixing the column of the pressure-regulating air-leakage silencing block; 1-7, controlling a box body port; 1-8, an empty-avoiding groove; 2. a control box end cover; 2-1, an exhaust electromagnetic valve fixing hole; 2-2, screw hole lugs; 2-3, end cover side plates; 3. a control board; 3-1, connecting a socket; 4. an inflation electromagnetic valve; 4-1, an inflation valve coil, 4-2, an inflation valve bracket and a 4-3 inflation valve air inlet plug; 4-4, an inflation valve moving iron; 4-5, an inflation valve spring; 4-6, fixing iron in front of the charging valve; 5. an exhaust electromagnetic valve; 5-1, an exhaust valve coil; 5-2, exhaust valve bracket; 5-3, exhausting plugs of the exhaust valves; 5-4, an exhaust valve moving iron; 5-5, an exhaust valve spring; 5-6, fixing iron after the exhaust valve; 5-7, a movable iron locating pin of the exhaust valve; 5-71, a ventilation groove; 6. a solenoid valve connecting block; 6-1, a clamping groove; 6-2, locating pin holes; 6-3, exhaust holes; 6-4, an exhaust groove; 7. an exhaust silencing block; 8. a control plate screw; 9. a pressure regulating valve; 10. pressure regulating and air leakage silencing block; 11. end cap screws.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present invention.
Examples: an air path control unit for controlling a pneumatic waist support.
Referring to fig. 1 to 5, an air path control unit for pneumatic lumbar support control includes: the control box comprises a control box body 1, a control box end cover 2, a control panel 3, an inflation electromagnetic valve 4, an exhaust electromagnetic valve 5, an electromagnetic valve connecting block 6, an exhaust silencing block 7, a control panel screw 8, a pressure regulating valve 9, a pressure regulating and air leakage silencing block 10 and an end cover screw 11, wherein the electromagnetic valve connecting block 6 connects the inflation electromagnetic valve 4 and the exhaust electromagnetic valve 5 into an electromagnetic valve group, three electromagnetic valve groups arranged at intervals in parallel are fixed on the control panel 3 through the screws 8, the control box end cover 2 is arranged in a control box body port 1-7 of the control box body 1, an end cover side plate 2-3 of the control box end cover 2 is buckled into an empty avoidance groove 1-8 on the side surface of the control box body 1 to seal the empty avoidance groove 1-8 on the side surface of the control box body 1, an inflation valve front fixed iron 4-6 of the inflation electromagnetic valve 4 of the electromagnetic valve group is sleeved with a sealing ring to be fixed in an inflation electromagnetic valve fixing hole 1-2 of the control box body 1, and simultaneously the rear exhaust valve fixed iron 5-6 of the exhaust electromagnetic valve 5 of the electromagnetic valve group is fixed in an exhaust electromagnetic valve fixing hole 2-1 of the control box body, and the end cover 11 is fixed in the exhaust electromagnetic valve fixing hole 2 of the control box body 1, and the control box end cover 1 is integrally journalled into a whole.
The control box body 1 is provided with an air inlet joint 1-1 with an air inlet hole, an air inflation electromagnetic valve fixing hole 1-2 communicated with the air inlet hole of the air inlet joint 1-1, a control box body air passage connecting hole 1-3 communicated with each air inflation electromagnetic valve fixing hole 1-2 and a pressure regulation and release hole 1-4 communicated with the air inflation electromagnetic valve fixing hole 1-2 are arranged in the control box body 1, a pressure regulation exhaust port 1-5 is arranged on the outer side of the control box body pressure regulation and release hole 1-4, a pressure regulation and release silencing block fixing column 1-6 is arranged on a pressure regulation valve mounting lug on the control box body 1, a pressure regulation and release silencing block 9 is arranged on the outer side of the control box body pressure regulation and release silencing block fixing column 1-6, and a pressure regulation and release silencing block 10 is arranged on the control box body. The control box body 1 is internally provided with an inflation electromagnetic valve fixing hole 1-2, a pressure regulating, air discharging and silencing block fixing column 1-6 is arranged on a pressure regulating valve mounting lug on the control box body 1, and an empty avoiding groove 1-8 extending to a control box body port 1-7 is arranged on the side surface of the control box body 1.
The control box end cover 2 is internally provided with an exhaust electromagnetic valve fixing hole 2-1 and a screw hole lug 2-2, the screw hole lug 2-2 of the control box end cover 2 is provided with a screw hole, and the side surface of the control box end cover 2 is provided with an end cover side plate 2-3. When in actual installation, the control box end cover 2 is arranged in the control box body port 1-7 of the control box body 1, and the end cover side plate 2-3 of the control box end cover 2 is buckled into the clearance groove 1-8 on the side surface of the control box body 1 to seal the clearance groove 1-8 on the side surface of the control box body 1.
The air charging solenoid valve 4 comprises an air charging valve coil 4-1, an air charging valve bracket 4-2, an air charging valve air inlet plug 4-3, an air charging valve moving iron 4-4, an air charging valve spring 4-5 and an air charging valve front fixed iron 4-6, wherein an air inlet hole is arranged in the air charging valve front fixed iron 4-6, a rear end journal of the air charging valve front fixed iron 4-6 extends into a hole of the air charging valve coil 4-1 from the front end of the air charging valve coil 4-1, a front end journal of the solenoid valve connecting block 6 extends into the hole of the air charging valve coil 4-1 from the rear end of the air charging valve coil 4-1, an air charging valve spring 4-5 is arranged on a front end journal of the solenoid valve connecting block 6, the air charging valve moving iron 4-4 is arranged between the air charging valve front fixed iron 4-6 and the solenoid valve connecting block 6, a counter bore is arranged at the front end of the air charging valve moving iron 4-4, an overflow hole which is communicated with a counter bore at the front end of the air valve moving iron 4-4 is arranged in the air valve moving iron 4-4, a rear end journal of the air valve front fixed iron 4-6 stretches into the counter bore at the front end of the air valve moving iron 4-4 to form a magnetic circuit between the rear end journal of the air valve front fixed iron 4-6 and the front part of the air valve moving iron 4-4, a gap which cuts off an axial magnetic circuit between the middle journal end face of the air valve front fixed iron 4-6 and the front end face of the air valve moving iron 4-4 is arranged between the middle journal end face of the air valve front fixed iron 4-6 and the front end face of the air valve moving iron 4-4, an air valve air inlet plug 4-3 is arranged in the counter bore at the front end of the air valve moving iron 4-4, an overflow notch 4-31 is arranged on the air valve air inlet plug 4-3, the middle shaft neck of the electromagnetic valve connecting block 6 is provided with a clamping groove 6-1, the front end of the inflation valve bracket 4-2 is clamped on the middle shaft neck of the inflation valve front fixed iron 4-6, and the rear end of the inflation valve bracket 4-2 is clamped in the clamping groove 6-1 of the middle shaft neck of the electromagnetic valve connecting block 6 at the same time, so that the components of the inflation electromagnetic valve 4 are fixed into an inflation electromagnetic valve whole.
The exhaust electromagnetic valve 5 comprises an exhaust valve coil 5-1, an exhaust valve bracket 5-2, an exhaust valve exhaust plug 5-3, an exhaust valve moving iron 5-4, an exhaust valve spring 5-5, an exhaust valve rear fixed iron 5-6 and an exhaust valve moving iron positioning pin 5-7, wherein the rear end journal of an electromagnetic valve connecting block 6 extends into the hole of the exhaust valve coil 5-1 from the front end of the exhaust valve coil 5-1, the front end journal of the exhaust valve rear fixed iron 5-6 extends into the hole of the exhaust valve coil 5-1 from the rear end of the exhaust valve coil 5-1, the rear end of the exhaust valve rear fixed iron 5-6 is provided with an air outlet joint with an axle center through hole, the exhaust valve spring 5-5 is arranged on the front end journal of the exhaust valve rear fixed iron 5-6, the exhaust valve moving iron 5-4 is arranged between the exhaust valve rear fixed iron 5-6 and the electromagnetic valve connecting block 6, the front end of the exhaust valve moving iron 5-4 is provided with a counter bore, a rear end journal of the electromagnetic valve connecting block 6 stretches into the front end counter bore of the exhaust valve moving iron 5-4 to form a magnetic circuit between the rear end journal of the electromagnetic valve connecting block 6 and the front part of the exhaust valve moving iron 5-4, a gap for isolating an axial magnetic circuit between the middle journal end surface of the electromagnetic valve connecting block 6 and the front end surface of the exhaust valve moving iron 5-4 is arranged between the middle journal end surface of the electromagnetic valve connecting block 6 and the front end surface of the exhaust valve moving iron 5-4, an exhaust plug fixing hole and an exhaust valve moving iron positioning pin hole with a hole center deviated from the axle center of the exhaust valve moving iron 5-4 are arranged at the bottom of the counter bore of the front end of the exhaust valve moving iron 5-4, an overflow hole for communicating the exhaust valve moving iron positioning pin hole is arranged in the exhaust valve moving iron 5-4, an exhaust plug 5-3 of the exhaust valve is arranged in an exhaust plug fixing hole at the bottom of the counter bore at the front end of the exhaust valve moving iron 5-4.
The rear end face of the electromagnetic valve connecting block 6 is provided with an exhaust hole 6-3 and a positioning pin hole 6-2 communicated with the front end and the rear end of the electromagnetic valve connecting block 6, the middle shaft neck of the electromagnetic valve connecting block 6 is provided with an exhaust groove 6-4, the exhaust hole 6-3 on the electromagnetic valve connecting block 6 is communicated with the exhaust groove 6-4, the inside of an exhaust valve moving iron positioning pin 5-7 is provided with an axial through hole, the hole wall of the axial through hole of the positioning pin is provided with an air vent groove 5-71, the front end of the exhaust valve moving iron positioning pin 5-7 extends into the positioning pin hole 6-2 of the electromagnetic valve connecting block 6, the rear end of the exhaust valve moving iron positioning pin 5-7 extends into the exhaust valve moving iron positioning pin hole with the hole center deviating from the axial center of the exhaust valve moving iron 5-4 at the bottom of the counter bore at the front end of the exhaust valve moving iron 5-4, the exhaust valve moving iron locating pin 5-7 and the axle center hole wall of the exhaust valve coil 5-1 limit the rotation of the exhaust valve moving iron 5-4 together so that an exhaust valve exhaust plug 5-3 fixed on the exhaust valve moving iron 5-4 is aligned with an exhaust hole 6-3 on the electromagnetic valve connecting block 6, an exhaust groove 6-4 on the middle shaft neck of the electromagnetic valve connecting block 6 is internally provided with an air-permeable exhaust silencing block 7, the rear end of the exhaust valve support 5-2 is clamped on the middle shaft neck of the exhaust valve rear fixed iron 5-6, and the front end of the exhaust valve support 5-2 is clamped in a clamping groove 6-1 of the middle shaft neck of the electromagnetic valve connecting block 6 so as to fix components of the exhaust electromagnetic valve 5 into an exhaust electromagnetic valve whole, and the electromagnetic valve connecting block 6 connects the air-filled electromagnetic valve 4 and the exhaust electromagnetic valve 5 into the electromagnetic valve whole.
The control panel 3 is provided with electromagnetic valve groups the same as the pneumatic waist support air bags in number, the electromagnetic valve groups A are connected with the air bags A of the pneumatic waist support, the electromagnetic valve groups B are connected with the air bags B of the pneumatic waist support, and so on, the control panel 3 is provided with a connecting socket 3-1 for connecting a control button and a power supply, the electromagnetic valve groups are fixed on the control panel 3 through control panel screws 8 to form an integral air circuit controller of an air circuit control unit, the air circuit controller of the air circuit control unit is arranged in the control box 1 from a control box port 1-7, the connecting socket 3-1 on the control panel 3 moves inwards along an empty-avoiding groove 1-8 on the side surface of the control box 1, an air valve front fixed iron 4-6 of an air charging electromagnetic valve 4 of the air circuit controller is sleeved with a sealing ring to be fixed in an air charging electromagnetic valve fixing hole 1-2 of the control box 1, and a rear fixed iron 5-6 of an air discharging electromagnetic valve 5 of the air circuit controller is journalled in an air discharging electromagnetic valve fixing hole 2-1 of the control box end cover 2, so that the air circuit controller is fixed in the control box body, and the control box end cover 2 and the control box 1 are fixed in the control box body, and the control box end cover 11 is fixed in the control box body, so that the control box end cover 2 and the control box 1 are combined into an integral control unit.
The working principle of the invention is as follows:
(1) When the electromagnetic valve of the electromagnetic valve bank is not electrified, the air charging valve spring 4-5 of the air charging electromagnetic valve 4 pushes the air charging valve moving iron 4-4 forwards to drive the air charging valve air inlet plug 4-3 fixed on the air charging valve moving iron 4-4 to block the air inlet hole of the air charging valve front fixed iron 4-6, the air discharging valve spring 5-5 of the air discharging electromagnetic valve 5 pushes the air discharging valve moving iron 5-4 forwards to drive the air discharging valve air discharging plug 5-3 fixed on the air discharging valve moving iron 5-4 to block the air discharging hole 6-3 on the electromagnetic valve connecting block 6, and the air inlet and the air discharging hole of the electromagnetic valve bank are in a closed state when the electromagnetic valve of the electromagnetic valve bank is not electrified.
(2) When a certain waist holds in palm the air pocket such as A air pocket needs to be inflated, the air circuit controller energizes the inflation solenoid valve 4 of A solenoid valve, the electromagnetic force of the magnetic field produced by the inflation valve coil 4-1 overcomes the elasticity of the inflation valve spring 4-5 and drives the inflation valve iron 4-4 to move backwards so as to drive the inflation valve air inlet plug 4-3 arranged in the inflation valve iron 4-4 to open the air inlet of the inflation solenoid valve 4, the high-pressure air conveyed from the air pump to the air circuit control unit is supplied to the inflation solenoid valve 4 through the air inlet joint 1-1 and the inflation solenoid valve fixing hole 1-2 of the control box body 1, the air inlet hole of the inflation valve front fixed iron 4-6, the overflow notch 4-31 on the inflation valve air inlet plug 4-3, the overflow hole in the inflation valve iron 4-4, the positioning pin hole 6-2 of the electromagnetic valve connecting block 6, the axle center through hole of the exhaust valve moving iron positioning pin 5-7, the overflow hole in the exhaust valve iron 5-4 and the axle center through hole of the rear fixed iron 5-6, after the power supply of the inflation valve coil 4 is supplied to the air pump, the inflation valve 4-6 is disconnected, the inflation valve is produced by the inflation valve, the inflation valve coil 4-1 moves to the inflation valve 4 in the inflation valve front of the inflation valve, the inflation valve 4-4 is driven to be in the state of the inflation valve, the inflation valve is driven by the inflation valve 4-6, the inflation valve is driven by the inflation valve, the inflation valve is stopped by the inflation valve 4, the inflation valve 4 is driven by the inflation valve 4, which is in the inflation valve is in the state is driven by the inflation valve, and the inflation valve 4, which is in the pressure of the inflation valve is in the inflation valve, which is in the state is in front of the inflation valve, which is filled by the inflation valve, and has the inflation valve 6, the pressure-regulating air-release silencing block 10 suppresses air-release noise of the pressure-regulating air outlets 1-5.
(3) When a certain waist holds in the palm the air pocket, for example, C air pocket needs to be discharged, the gas circuit controller energizes the exhaust electromagnetic valve 5 of C solenoid valve group, the electromagnetic force of the magnetic field produced by the exhaust valve coil 5-1 overcomes the elasticity of the exhaust valve spring 5-5 and drives the exhaust valve iron 5-4 to move backward to drive the exhaust valve exhaust plug 5-3 arranged in the exhaust valve iron 5-4 to move backward so as to open the exhaust hole 6-3 on the electromagnetic valve connecting block 6, the gas in the C air pocket passes through the axial through hole of the rear fixed iron 5-6 of the exhaust electromagnetic valve 5 of the C solenoid valve group, the overflow hole in the exhaust valve iron 5-4, the axial through hole of the exhaust valve iron positioning pin 5-7 and the ventilation groove 5-71, the front end counter bore of the exhaust valve iron 5-4, the exhaust hole 6-3 on the electromagnetic valve connecting block 6 and the exhaust groove 6-4 and the exhaust silencing block 7, the exhaust noise is restrained by the exhaust silencing block 7, after the power supply of the exhaust electromagnetic valve 5 of the gas circuit controller is disconnected, the magnetic field produced by the exhaust valve coil 5-1 disappears, the elasticity of the exhaust valve iron 5-4 is driven to move forward and drives the exhaust valve iron 5-4 to move forward to the exhaust valve iron 5-6 to move to the exhaust valve iron 5-4 and the exhaust valve plug 6-6 to be in the state of the exhaust valve connecting block 6.
And the waist support air bag is inflated by the inflation electromagnetic valve of the corresponding electromagnetic valve group, the waist support air bag is deflated by the inflation electromagnetic valve of the corresponding electromagnetic valve group, flexible adjustment and control of the air path control unit on the inflation state of the waist support air bag are realized, the inflation electromagnetic valve 4 and the deflation electromagnetic valve 5 are connected into a compact electromagnetic valve group by the electromagnetic valve connecting block 6, and a short air path arranged in the control box body 1 realizes compact and optimized structure of the air path control unit, so that the external dimension is minimized.
The air passage control unit for pneumatic waist support control is simple in structure, the electromagnetic valve connecting block is used for connecting the inflation electromagnetic valve and the exhaust electromagnetic valve into a compact electromagnetic valve group, and an air passage in the control box body is innovatively designed, so that the air passage control unit is compact and optimized in structure, the external dimension is minimized, and the flexibility of the air passage control unit in adjusting and controlling the inflation state of the waist support air bag is improved.
The foregoing is a preferred embodiment of the present invention, but the present invention should not be limited to the embodiment and the disclosure of the drawings, so that the equivalents and modifications can be made without departing from the spirit of the disclosure.
Claims (10)
1. An air circuit control unit for pneumatic waist support control, which is characterized by comprising: the control box body is internally provided with a control board, a plurality of electromagnetic valve groups which are arranged at intervals in parallel are arranged on the control board, the control board is independently connected with each electromagnetic valve group, and each electromagnetic valve group consists of an inflation electromagnetic valve, an exhaust electromagnetic valve and an electromagnetic valve connecting block; the front end journal of the electromagnetic valve connecting block stretches into a hole of the inflation valve coil from the rear end of the inflation valve coil of the inflation electromagnetic valve, an inflation valve spring is arranged on the front end journal of the electromagnetic valve connecting block, an inflation valve moving iron is arranged between an inflation valve front fixed iron and the electromagnetic valve connecting block, a counter bore is formed in the front end of the inflation valve moving iron, an overflow hole communicated with the counter bore at the front end of the inflation valve moving iron is formed in the inflation valve moving iron, an inflation valve air inlet plug is arranged in the counter bore at the front end of the inflation valve moving iron, and an overflow notch is formed in the inflation valve air inlet plug; the rear end journal of the electromagnetic valve connecting block stretches into the hole of the exhaust valve coil from the front end of the exhaust valve coil of the exhaust electromagnetic valve, the front end journal of the exhaust valve rear fixed iron stretches into the hole of the exhaust valve coil from the rear end of the exhaust valve coil, the rear end of the exhaust valve rear fixed iron is provided with an air outlet joint with an axle center through hole, an exhaust valve spring is arranged on the front end journal of the exhaust valve rear fixed iron, an exhaust valve moving iron is arranged between the exhaust valve rear fixed iron and the electromagnetic valve connecting block, the front end of the exhaust valve moving iron is provided with a counter bore, the bottom of the front end counter bore of the exhaust valve moving iron is provided with an exhaust plug fixing hole and an exhaust valve moving iron locating pin hole, which is offset from the axle center of the exhaust valve moving iron, an exhaust valve moving iron locating pin is arranged in the hole, the front end of the exhaust valve moving iron is connected with the front end of the exhaust valve moving iron locating pin, and the front end of the exhaust valve moving iron is connected with the air valve moving iron locating pin hole, the exhaust valve moving iron is connected with the air outlet valve moving iron locating pin hole, and the exhaust valve moving iron is connected with the air valve moving iron locating pin hole.
2. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: the control box body is provided with an air inlet connector with an air inlet hole, an air inflation electromagnetic valve fixing hole communicated with the air inlet hole of the air inlet connector, a control box body air passage connecting hole communicated with each air inflation electromagnetic valve fixing hole and a pressure regulating air release hole communicated with the air inflation electromagnetic valve fixing hole are arranged in the control box body, and a pressure regulating air outlet is arranged at the outer side of the pressure regulating air release hole of the control box body.
3. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 2, wherein: the pressure regulating and air leakage silencing block fixing column is arranged on the pressure regulating valve mounting lug of the control box body, the empty-avoiding groove extending to the port of the control box body is arranged on the side face of the control box body, the pressure regulating valve is arranged on the outer side of the pressure regulating and air leakage hole of the control box body, and the pressure regulating and air leakage silencing block is arranged on the pressure regulating and air leakage silencing block fixing column on the control box body.
4. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: the rear end journal of the front fixed iron of the air charging valve stretches into the front end counter bore of the movable iron of the air charging valve to form a magnetic circuit between the rear end journal of the front fixed iron of the air charging valve and the front part of the movable iron of the air charging valve, and a gap for blocking an axial magnetic circuit between the middle journal end face of the front fixed iron of the air charging valve and the front end face of the movable iron of the air charging valve is arranged between the middle journal end face of the front fixed iron of the air charging valve and the front end face of the movable iron of the air charging valve.
5. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: the middle shaft neck of the electromagnetic valve connecting block is provided with a clamping groove, the front end of the inflation valve bracket is clamped on the middle shaft neck of the front fixed iron of the inflation valve, and the rear end of the inflation valve bracket is clamped in the clamping groove of the middle shaft neck of the electromagnetic valve connecting block at the same time, so that the components of the inflation electromagnetic valve are fixed into the whole inflation electromagnetic valve.
6. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: a rear end journal of the electromagnetic valve connecting block stretches into a front end counter bore of the exhaust valve moving iron to form a magnetic circuit between the rear end journal of the electromagnetic valve connecting block and the front part of the exhaust valve moving iron, and a gap for isolating an axial magnetic circuit between the middle journal end surface of the electromagnetic valve connecting block and the front end surface of the exhaust valve moving iron is arranged between the middle journal end surface of the electromagnetic valve connecting block and the front end surface of the exhaust valve moving iron.
7. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: the rear end of the exhaust valve support is clamped on the middle shaft neck of the exhaust valve rear fixed iron, and the front end of the exhaust valve support is clamped in the clamping groove of the middle shaft neck of the electromagnetic valve connecting block, so that the components of the exhaust electromagnetic valve are fixed into an exhaust electromagnetic valve whole.
8. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: an exhaust groove on the middle shaft neck of the electromagnetic valve connecting block is internally provided with an air-permeable exhaust silencing block.
9. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: the control box comprises a control box body, wherein a control box end cover is arranged at the front end of the control box body, an exhaust electromagnetic valve fixing hole and a screw hole lug are arranged in the control box end cover, a screw hole is formed in the screw hole lug of the control box end cover, and an end cover side plate is arranged on the side face of the control box end.
10. The pneumatic lumbar support control unit for pneumatic lumbar support control of claim 1, wherein: the front fixed iron of the charging valve of the charging electromagnetic valve is sleeved with a sealing ring and fixed in a charging electromagnetic valve fixing hole of the control box body, the rear journal of the rear fixed iron of the exhaust valve of the exhaust electromagnetic valve is fixed in an exhaust electromagnetic valve fixing hole of the control box end cover, and the control box end cover and the control box body are fixed into a whole by an end cover screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311782659.2A CN118238701A (en) | 2023-12-22 | 2023-12-22 | Air path control unit for pneumatic waist support control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311782659.2A CN118238701A (en) | 2023-12-22 | 2023-12-22 | Air path control unit for pneumatic waist support control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118238701A true CN118238701A (en) | 2024-06-25 |
Family
ID=91563795
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311782659.2A Pending CN118238701A (en) | 2023-12-22 | 2023-12-22 | Air path control unit for pneumatic waist support control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118238701A (en) |
-
2023
- 2023-12-22 CN CN202311782659.2A patent/CN118238701A/en active Pending
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