CN111188754B - Air inlet and outlet conversion driving mechanism applied to air pump - Google Patents
Air inlet and outlet conversion driving mechanism applied to air pump Download PDFInfo
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- CN111188754B CN111188754B CN202010054617.7A CN202010054617A CN111188754B CN 111188754 B CN111188754 B CN 111188754B CN 202010054617 A CN202010054617 A CN 202010054617A CN 111188754 B CN111188754 B CN 111188754B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/1046—Combination of in- and outlet valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/123—Fluid connections
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention belongs to the technical field of door and window accessories and discloses an air inlet and outlet conversion driving mechanism applied to an air pump, wherein an air compressing mechanism is used for repeatedly inflating and deflating the air pump; the air pump comprises an air valve bracket and an air cylinder; the air cylinder is communicated with the air compressing mechanism through the air inlet one-way valve or the air outlet one-way valve; two or more groups of air inlet and outlet groups are arranged on the air cylinder, each group of air inlet and outlet group comprises a communicating pipe, an air inlet of the air cylinder and an air outlet of the air cylinder, one end of the communicating pipe is communicated with the air inlet of the same group, the other end of the communicating pipe is communicated with the air outlet of the same group, and the external end of the communicating pipe extends out of one end of the air cylinder, which is far away from the air valve support; and all air inlets of the air cylinders are communicated with the air inlet one-way valve, and all air outlets of the air cylinders are communicated with the air outlet one-way valve. It is possible to realize that one air pump can be used for both inflation and evacuation.
Description
Technical Field
The invention belongs to the technical field of door and window accessories, and particularly relates to an air inlet and outlet conversion driving mechanism applied to an air pump.
Background
The air inlets and the air outlets of existing air pump products on the market are fixed and can not be mutually switched, and the air pumps cannot be realized in specific applications which need inflation and air extraction, for example, in practical application of inflation sealing and air extraction opening of building doors and windows, two air pumps are usually connected in parallel, one air pump is responsible for inflation and the other air pump is responsible for air extraction, and the inflation sealing and the air extraction opening are realized by controlling the two air pumps to work alternately. At present, no air pump in the market can be used for inflating and exhausting.
Disclosure of Invention
In order to solve the above problems in the prior art, the present invention is directed to an air inlet/outlet switching driving mechanism for an air pump.
The technical scheme adopted by the invention is as follows:
an air inlet and outlet conversion driving mechanism applied to an air pump comprises an air valve support and an air cylinder, wherein the air valve support is connected with the air cylinder in a sealing manner;
the air valve bracket is provided with an air inlet one-way valve and an air outlet one-way valve, and the air cylinder is communicated with the air compressing mechanism through the air inlet one-way valve or the air outlet one-way valve;
two groups of air inlet and outlet groups are arranged on the air cylinder, each group of air inlet and outlet group comprises a communicating pipe, an air inlet of the air cylinder and an air outlet of the air cylinder, one end of the communicating pipe is communicated with the air inlet of the same group, the other end of the communicating pipe is communicated with the air outlet of the same group, and the external end of the communicating pipe extends out of one end of the air cylinder, which is far away from the air valve support;
the air inlets of all the air cylinders are communicated with the air inlet one-way valve, and the air outlets of all the air cylinders are communicated with the air outlet one-way valve;
the air valve support is provided with a central air outlet hole and a plurality of outer side air inlet holes, the air outlet one-way valve is a first rubber plug blocked on the central air outlet hole, the air inlet one-way valve is a second rubber plug blocked on the outer side air inlet holes, and the blocking directions of the second rubber plug and the first rubber plug on the air valve support are opposite;
the air pump also comprises an air inlet and outlet conversion plate, and the air inlet and outlet conversion plate is arranged between the air cylinder and the air valve bracket;
one end of the air inlet and outlet conversion plate, which is close to the air valve support, is provided with a central air outlet and two outer air inlets, and one end of the air inlet and outlet conversion plate, which is far away from the air valve support, is provided with two conversion air outlets and two conversion air inlets;
the two conversion air outlets are communicated with the central air outlet hole through the central air outlet, the conversion air inlets are communicated with the outer air inlet holes through the outer air inlets, the two conversion air outlets are transversely arranged, and the two conversion air inlets are longitudinally arranged;
the two conversion air inlets are opposite to the two air cylinder air inlets in a one-to-one correspondence manner, and the two conversion air outlets are opposite to the two air cylinder air outlets in a one-to-one correspondence manner;
the air inlet and outlet conversion driving mechanism comprises a driving mechanism, a valve connecting rod support, a first plug group and a second plug group;
the first plug group is hinged to one side of the valve connecting rod support, and the second plug group is hinged to the other side of the valve connecting rod support;
the output end of the driving mechanism is connected with the first plug group, and the driving mechanism is used for driving the first plug group to move towards the air inlet and outlet group so that the two first plugs of the first plug group are respectively plugged on the air cylinder air inlet of the first group of air inlet and outlet group and the air cylinder air outlet of the second group of air inlet and outlet group or are far away from the air inlet and outlet group so that the two second plugs of the second plug group are respectively plugged on the air cylinder air outlet of the first group of air inlet and outlet group and the air cylinder air inlet of the second group of air inlet and outlet group.
Further, every communicating pipe all connects an trachea outward, and the trachea setting is outside the cylinder, trachea and communicating pipe intercommunication.
Furthermore, the air compressing mechanism comprises a motor, an eccentric shaft, a compression bowl bracket and an elastic air compression bowl which are arranged in the cavity;
the eccentric shaft is eccentrically arranged on the output end of the motor, and the motor is used for driving the eccentric shaft to rotate;
one end of the compression bowl support is embedded on the eccentric shaft, the other end of the compression bowl support is provided with three air compression shafts, the three air compression shafts are uniformly distributed on the compression bowl support in a circumferential mode, and the heights of the three air compression shafts are gradually increased;
the elastic air compression bowl is provided with three compression bowls which are sleeved on the three air compression shafts in a one-to-one correspondence manner.
Furthermore, the air compressing mechanism also comprises a motor fixing seat and an air compressing chamber, the air compressing chamber is covered on the motor fixing seat, and an internal cavity formed by covering the air compressing chamber and the motor fixing seat is a cavity;
the motor is fixedly arranged on the motor fixing seat, and the output end of the motor penetrates through the motor fixing seat and is connected with the eccentric shaft;
one end of the air compression chamber, which is far away from the motor fixing seat, is provided with an air hole.
Furthermore, all the first plugs and all the second plugs are hinged to the valve connecting rod support through valve connecting rods.
The invention has the beneficial effects that:
(1) when the air inlet of the first group of air inlet and outlet groups and the air outlet of the second group of air inlet and outlet groups are blocked, the outer connecting end of the first group of communicating pipe is an air outlet end, the outer connecting end of the second group of communicating pipe is an air inlet end, and when the air outlet of the first group of air inlet and outlet groups and the air inlet of the second group of air inlet and outlet groups are blocked, the outer connecting end of the first group of communicating pipe is an air inlet end and the outer connecting end of the second group of communicating pipe is an air outlet end, so that the air flow direction can be changed by blocking the air inlet of the first group of air inlet and outlet groups and the air outlet of the second group of air inlet and outlet groups or blocking the air outlet of the first group of air inlet and outlet groups and the air inlet of the second group of air inlet and outlet groups, and one air pump can be used for inflating and extracting air (the air inlet end and the air outlet end of the air pump are not fixed).
(2) When the air pump is connected to the air compressing mechanism in a sealing mode, the air pump can be repeatedly inflated and deflated through the air compressing mechanism, and the air pump can be used for inflating and deflating and can be used for inflating and deflating.
(3) The air inlet and outlet conversion driving mechanism is used for blocking the air inlet of the air cylinder of the first group of air inlet and outlet groups and the air outlet of the air cylinder of the second group of air inlet and outlet groups or blocking the air outlet of the air cylinder of the first group of air inlet and outlet groups and the air inlet of the air cylinder of the second group of air inlet and outlet groups, so that the direction of air flow is changed, and an air pump can be used for inflating or exhausting air more conveniently.
Drawings
Fig. 1 is an exploded view of the assembly of the present invention.
Fig. 2 is an assembly view of a lead screw motor, a pressure rod, a valve connecting rod and a cylinder bottom plate.
Fig. 3 is a schematic view of the structure of the valve link.
Fig. 4 is a schematic structural view of the valve link holder.
Fig. 5 is a schematic structural diagram of the air inlet/outlet conversion plate.
Fig. 6 is a schematic structural view of the cylinder.
FIG. 7 is an assembly view of a conversion structure for inlet and outlet gases;
fig. 8 is a schematic view of the structure of the present invention (after assembly).
FIG. 9 is a schematic view of the compression bowl support and eccentric shaft configuration.
In the figure: 1-a screw motor; 2-a pressure bar; 301-a first plug; 302-a second plug; 4-valve linkage; 5-valve link rod support; 6-valve sealing ring; 7-a cylinder; 701-a first air pipe; 702-a second air tube; 703-cylinder outlet port; 704-cylinder intake ports; 705-communicating tube; 8-a cylinder bottom plate; 801-air outlet through holes; 802-air inlet through holes; 9-air inlet and outlet conversion plate; 901-central air outlet; 902-outside air intake; 903-converting the air outlet; 904-switching the air inlet; 10-a transfer plate seal ring; 101-a central hole of a sealing ring; 102-seal ring outer bore; 11-an air valve support; 1101-a central outlet aperture; 1102-outside air intake; 12-an inlet check valve; 13-air outlet one-way valve; 14-a plenum chamber; 1401-air holes; 15-rubber air compression bowl; 1501-a compression bowl; 16-a compression bowl support; 1601-pneumatic shaft; 17-an eccentric shaft; 18-motor fixing seat; 19-a motor; 20-a central fixation hole; 21-cylindrical slotted holes; 22-pressure rod screw hole; 23-a plug fixing shaft; 24-plug via holes; 25-connecting rod fixing center hole.
Detailed Description
The invention is further explained below with reference to the drawings and the specific embodiments.
Example 1:
as shown in fig. 1 and 8, the embodiment provides an air compressing mechanism, which includes a motor 19, an eccentric shaft 17, a compressing bowl support 16, an elastic air compressing bowl 15, a motor fixing seat 18, and an air compressing chamber 14, which are arranged in a cavity; the eccentric shaft 17 is eccentrically arranged at the output end of the motor, and the motor is used for driving the eccentric shaft to rotate; the motor 19 is fixedly arranged on the motor fixing seat 18, and the output end of the motor penetrates through the motor fixing seat and is connected with the eccentric shaft; when the motor runs, the eccentric shaft can be driven to deviate from the output end of the motor to eccentrically rotate.
One end of the compression bowl support 16 is embedded on the eccentric shaft, and the other end is provided with three air pressing shafts 1601 (shown in fig. 9), which are uniformly distributed on the compression bowl support in a circumferential manner, and the heights of the three air pressing shafts are gradually increased; in the eccentric rotation process of the eccentric shaft, the eccentric rotating force can drive the compression bowl support to move up and down (the eccentric shaft is not connected with the compression bowl support, but is embedded at one end of the compression bowl support on the eccentric shaft, and in the rotation process of the eccentric shaft, the eccentric rotating force can drive the compression bowl support to move up and down), and the three air compression shafts can also move up and down. Because the elastic air compression bowl 15 is provided with the three compression bowls 1501, the three compression bowls are sleeved on the three air compression shafts 1601 in a one-to-one correspondence manner, and therefore after the motor operates, the three air compression shafts can continuously form inflating operation in the cavity, and the inflating operation process is similar to that of inflating with an inflator.
The air compression chamber 14 covers the motor fixing seat 18, and an internal cavity formed by covering the air compression chamber and the motor fixing seat is the cavity; the motor 19, the eccentric shaft 17, the compression bowl support 16 and the resilient air compression bowl 15 are disposed within the interior cavity.
The end of the air compression chamber, which is far away from the motor fixing seat, is provided with three air holes, and the three air holes 1401 are circumferentially and uniformly distributed on the air compression chamber 14.
The embodiment of the invention also discloses an air pump, which is characterized in that the air pump is repeatedly inflated and deflated by utilizing the air compressing mechanism (also can be repeatedly inflated and deflated by the air compressing mechanism in the prior art), the air pump is hermetically connected to the air compressing mechanism, and the air pump is communicated with the air compressing mechanism through an air hole.
The air pump comprises an air valve bracket 11 and an air cylinder 7; the air valve support 11 is connected with the air cylinder 7 in a sealing manner, specifically, one end of the air valve support 11 is connected to the air compressing mechanism in a sealing manner, and the other end of the air valve support 11 is connected to the air cylinder 7 in a sealing manner.
An air inlet one-way valve 12 and an air outlet one-way valve 13 are arranged on the air valve support 11, and the air cylinder is communicated with the air compressing mechanism through the air inlet one-way valve or the air outlet one-way valve; as shown in fig. 7, the number of the outlet check valves 13 is three, the three outlet check valves are circumferentially and uniformly distributed on the valve support 11, the inlet check valve 12 is located at the center of the valve support 11, and the outlet check valve 13 is located at the outer side of the inlet check valve 12.
The air valve support is provided with a central air outlet hole and a plurality of outer air inlet holes, the air outlet one-way valve is a first rubber plug arranged on the central air outlet hole 1101 in a blocking mode, the air inlet one-way valve is a second rubber plug arranged on the outer air inlet holes 1102 in a blocking mode, and the direction of the second rubber plug is opposite to that of the first rubber plug arranged on the air valve support in the blocking mode. When the pressure mechanism inflates the air pump, outside air enters the air cylinder under the action of the pressure mechanism, the second rubber plug on the outside air inlet hole is flushed, and the outside air enters the air cylinder of the air pump; when the pressure mechanism deflates the air pump, the first rubber plug on the central air outlet hole can be flushed away, and the air in the air cylinder is discharged under the action of the pressure mechanism.
As shown in fig. 6, two sets of air inlet and outlet groups are arranged on the air cylinder 7, each set of air inlet and outlet group includes a communicating pipe 705, an air cylinder air inlet 704 and an air cylinder air outlet 703, one end of the communicating pipe 705 is communicated with the air cylinder air inlet 704 of the same group, the other end is communicated with the air cylinder air outlet 703 of the same group, and an external end of the communicating pipe 705 extends out of one end of the air cylinder, which is far away from the air valve support; each communicating pipe 705 is externally connected with an air pipe, the air pipe is arranged outside the air cylinder and is communicated with the communicating pipe, and the outer end of the air pipe is the outer connecting end of the communicating pipe 705.
Two air pipes are arranged on the cylinder, and for convenience of distinction, the two air pipes are named as a first air pipe 701 and a second air pipe 702 respectively, the first air pipe is communicated with the left cylinder air outlet 703 and the front side cylinder air inlet 704 through a communicating pipe 705 respectively, and the second air pipe 702 is communicated with the right cylinder air outlet 703 and the rear side cylinder air inlet 704 through another communicating pipe 705 respectively.
All cylinder air inlets 704 are communicated with the air inlet one-way valves, and all cylinder air outlets are communicated with the air outlet one-way valves. When the cylinder air inlet of first group business turn over gas port group and the cylinder gas outlet of second group business turn over gas port group are established to the stifled cylinder air inlet 704 of establishing the front side promptly and when the cylinder gas outlet 703 on right side, starter motor 19 can drive compression bowl support displacement from top to bottom, and three air pressing axle can constantly form the operation of inflating in the cavity, because the air pump pass through the gas pocket with air compressing mechanism intercommunication, specifically, the cylinder of air pump passes through the check valve of admitting air or the check valve of giving vent to anger with air compressing mechanism intercommunication, therefore the accessible utilizes foretell air compressing mechanism right the air pump is inflated and deflated repeatedly: when the three air compressing shafts move upwards, the air outlet one-way valve 13 is opened, air in the space between the air cylinder and the air compressing mechanism is pressed out of the air cylinder, the air outlet 703 of the air cylinder on the right side is blocked and can only be exhausted through the air outlet 703 of the air cylinder on the left side, the air outlet 703 of the air cylinder on the left side is connected with the first air pipe 701 through the communicating pipe 705, and the first air pipe is an air outlet pipe; when three compressional air shafts are displaced downwards, the space volume between the air cylinder and the air compressing mechanism is increased, negative pressure is formed in the air compressing mechanism, the air inlet one-way valve 12 is opened under the negative pressure, air outside the air cylinder can be pumped into the air cylinder, the air inlet 704 on the front side is blocked, the air can only enter the air cylinder through the air inlet 704 on the rear side, the air can enter a cavity corresponding to the air compressing mechanism, the air inlet 704 on the rear side is connected with the second air pipe 702 through the communicating pipe 705, the second air pipe is an air inlet pipe at the moment, and therefore when the air inlet of the first group of air inlet and outlet groups and the air outlet of the second group of air inlet and outlet groups are blocked, the first air pipe is an air outlet pipe, and the second air pipe is an air inlet pipe.
On the contrary, when the air cylinder air outlet of the first group of air inlet and outlet groups and the air cylinder air inlet of the second group of air inlet and outlet groups are blocked, namely the air cylinder air outlet 703 on the left side and the air cylinder air inlet 704 on the rear side are blocked, after the motor is started, the air pump can be repeatedly inflated and deflated by using the air compressing mechanism, when the three air compressing shafts move upwards, the air outlet one-way valve 13 is opened, air in the space between the air cylinder and the air compressing mechanism is pressed out of the air cylinder, because the air cylinder air outlet 703 on the left side is blocked, air can be exhausted only through the air cylinder air outlet 703 on the right side, because the air cylinder air outlet 703 on the right side is connected with the second air pipe 702 through the communicating pipe 705, at this time, the second air pipe is an air outlet pipe; when three compressed air shafts displace downwards, the volume of the space between the cylinder and the compressed air mechanism is increased, negative pressure is formed in the space, the air inlet one-way valve 12 is opened under the negative pressure, air outside the cylinder can be pumped into the cylinder, the air inlet 704 on the rear side is blocked, the air can only enter the cylinder through the air inlet 704 on the front side, and therefore the air enters the cavity corresponding to the compressed air mechanism, the air inlet 704 on the front side is connected with the first air pipe 701 through the communicating pipe 705, and the first air pipe is an air inlet pipe. Therefore, when the air outlet of the cylinder of the first group of air inlet and outlet groups and the air inlet of the cylinder of the second group of air inlet and outlet groups are blocked, the first air pipe is an air inlet pipe, and the second air pipe is an air outlet pipe.
In a word, based on the above, the direction of the air flow can be changed by plugging the air inlet of the cylinder of the first group of air inlet/outlet port group and the air outlet of the cylinder of the second group of air inlet/outlet port group and plugging the air outlet of the cylinder of the first group of air inlet/outlet port group and the air inlet of the cylinder of the second group of air inlet/outlet port group, so that one air pump can be used for inflating and extracting air.
The air pump also comprises an air inlet and outlet conversion plate 9, and the air inlet and outlet conversion plate is arranged between the air cylinder 7 and the air valve bracket 11.
One end of the air inlet and outlet conversion plate 9, which is close to the air valve support, is provided with a central air outlet 901 and two outer air inlets 902, the central air outlet 901 is opposite to the air outlet one-way valve 13, the outer air inlets 902 are communicated with the air inlet one-way valve 12, and the central air outlet 901 and the outer air inlets 902 are separated by a conversion plate sealing ring 10. The conversion plate sealing ring 10 is provided with a sealing ring central hole 101 and three sealing ring outer holes 102, the three sealing ring outer holes 102 are opposite to the three air inlet one-way valves 12 in a one-to-one correspondence manner, and the sealing ring central hole 101 is opposite to the air outlet one-way valve 13, so that the central air outlet 901 and the outer air inlet 902 are separated by the conversion plate sealing ring 10.
One end of the air inlet and outlet conversion plate, which is far away from the air valve support, is provided with two conversion air outlets 903 and two conversion air inlets 904; as shown in fig. 5, the two switching air outlets 903 are arranged transversely, and the two switching air inlets 904 are arranged longitudinally; the two switching air outlets 903 are both communicated with the central air outlet hole through the central air outlet 901, the switching air inlets are communicated with the outer air inlet holes through the outer air inlets, the two switching air inlets are opposite to the two air cylinder air inlets 704 in a one-to-one correspondence manner, and the two switching air outlets are opposite to the two air cylinder air outlets 703 in a one-to-one correspondence manner. When the pressure mechanism inflates the air pump, air enters from an air cylinder air inlet of the air cylinder, then sequentially passes through the air cylinder air inlet 704, the conversion air inlet and the outer side air inlet, then a second rubber plug on the outer side air inlet is flushed, and finally air is pumped into the pressure mechanism, so that the outer side air can enter the air cylinder under the action of the pressure mechanism; when the pressure mechanism deflates the air pump, the first rubber plug on the central air outlet hole is flushed away, air in the pressure mechanism is discharged out of the air pump through the central air outlet hole, then sequentially passes through the central air outlet 901 and the conversion air outlet 903 on the air inlet and outlet conversion plate 9, and then is discharged out of the air cylinder 7 through the air cylinder air outlet 703.
In the embodiment, the external end of the communicating pipe is the outer end of the air pipe, the mechanism which needs to be inflated and exhausted is connected with the air pump of the invention through the air pipe, and then the air inlet of the cylinder of the first group of air inlet and outlet groups and the air outlet of the cylinder of the second group of air inlet and outlet groups are blocked or the air outlet of the cylinder of the first group of air inlet and outlet groups and the air inlet of the cylinder of the second group of air inlet and outlet groups are blocked to change the air flow direction, so that one air pump can be used for inflating and exhausting.
Example 2:
on the basis of embodiment 1, the present embodiment further discloses an air inlet and outlet conversion driving mechanism applied to the air pump described in embodiment 1, where the air inlet and outlet conversion driving mechanism includes a driving mechanism, a valve link support, a first plug group and a second plug group, the first plug group is hinged to one side of the valve link support, and the second plug group is hinged to the other side of the valve link support; all the first plugs and all the second plugs are hinged on the valve connecting rod support 5 through the valve connecting rods 4, and the valve connecting rods 4 can tilt up and down (lever motion) by taking the valve connecting rod support as a fulcrum, so that the first plug group is driven to move upwards and the second plug group moves downwards or the first plug group moves downwards and the second plug group moves upwards.
The output end of the driving mechanism is connected with a first plug group, and the driving mechanism is used for driving the first plug group to move towards the air inlet and outlet group so that two first plugs 301 of the first plug group are respectively plugged on the air inlets of the cylinders of the first group of air inlet and outlet group and the air outlets of the cylinders of the second group of air inlet and outlet group or are far away from the air inlet and outlet group so that two second plugs 302 of the second plug group are respectively plugged on the air outlets of the cylinders of the first group of air inlet and outlet group and the air inlets of the cylinders of the second group of air inlet and outlet group.
In order to hermetically connect the cylinder 7 and the connecting rod support 4 and ensure the sealing performance of the plugging of the plugs, a valve seal ring 6 is arranged between the cylinder 7 and the connecting rod support 5, 4 silica gel seal valves arranged on the valve seal ring 6 are respectively opposite to two air inlet through holes 802 and two air outlet through holes on the cylinder bottom plate 8, the 4 silica gel seal valves are one-to-one opposite to four plug through holes 24 on the valve connecting rod support 5 (as shown in fig. 4, the valve connecting rod support 5 is provided with four plug through holes 24), the 4 plugs drive the silica gel seal valves to be plugged on the air inlet through holes 802 and the air outlet through holes through the plug through holes 24, and it is worth explaining that when the plugs are plugged on the air inlet through holes or the air outlet through holes through the silica gel seal valves 601, the silica gel seal valves 601 are still integrally connected with the valve seal rings 6, but the silica gel seal valves 601 are in a deformed state.
All the first plugs and all the second plugs are hinged on the valve connecting rod support 5 through valve connecting rods 4, the valve connecting rods 4 are connected with pressure rods 2, the driving mechanism is a screw rod motor 1, screw rods of the screw rod motor 1 are in threaded connection with the pressure rods 2 (as shown in fig. 3, the pressure rods are provided with pressure rod screw rod holes 22 matched with external threads of the screw rods), the screw rod motor 1 drives the valve connecting rods 4 to do up-and-down lever motion on the valve connecting rod support through the pressure rods 2, when the screw rod motor rotates forwards, the pressure rods 2 move downwards so as to drive the first plugs and the second plugs to move downwards, so that the two first plugs are driven to drive the silica gel sealing valves to pass through corresponding plug through holes 24, and the two first plugs are respectively plugged on air cylinder air inlets of the first group of air inlets and air cylinder air outlets of the second group of air inlets and air outlets; when the screw motor rotates reversely, the pressure rod 2 moves upwards to drive the two first plugs to move upwards, and according to the lever principle, the two second plugs can drive the silica gel sealing valves to pass through the corresponding plug through holes 24, so that the two second plugs are respectively plugged on the air outlets of the first group of air inlet and outlet groups and the air inlets of the second group of air inlet and outlet groups.
The cylindrical extension arms on the two sides of the pressure rod 2 extend into the cylindrical groove-shaped hole 21 of the valve connecting rod 4, the pressure rod 2 can move back and forth and rotate in the cylindrical groove-shaped hole 21, two plug fixing shafts 23 are arranged on the valve connecting rod 4 on the left and right sides respectively, 4 plugs (4 plugs comprise two first plugs and two second plugs) are sleeved on the 4 plug fixing shafts 23 in a one-to-one correspondence mode (fixing holes are formed in the plugs), the plugs can rotate on the plug fixing shafts 23, and finally the plugs are prevented from falling off from the plug fixing shafts through threaded connection of positioning pieces on the plug fixing shafts (the positioning pieces are arranged at the two ends of the plugs, which are sleeved on the plug fixing shafts, so that the plugs are limited on the plug fixing shafts, but the plugs can rotate around the plug fixing shafts). Then the plugs are fixed on the corresponding plug fixing shafts through screws respectively, the valve connecting rod 4 is fixedly hinged on a connecting rod fixing center hole 25 of the valve connecting rod support 5 through a center fixing hole 20 on the valve connecting rod by the screws, and the valve connecting rod 4 can tilt up and down by taking the connecting rod fixing center hole 25 as an axis.
The air inlet and outlet conversion driving mechanism is used for blocking the air inlet of the air cylinder of the first group of air inlet and outlet groups and the air outlet of the air cylinder of the second group of air inlet and outlet groups or blocking the air outlet of the air cylinder of the first group of air inlet and outlet groups and the air inlet of the air cylinder of the second group of air inlet and outlet groups, so that the direction of air flow is changed, and one air pump can be used for inflating or extracting air.
Example 3:
on the basis of embodiment 2, in this embodiment, a cylinder bottom plate 8 is disposed between the cylinder 7 and the air inlet/outlet conversion plate 9, as shown in fig. 2, two air outlet through holes 801 and two air inlet through holes 802 are disposed on the cylinder bottom plate, the two air outlet through holes 801 are aligned to the two cylinder air outlets 703 in a one-to-one correspondence, the two air inlet through holes 802 are aligned to the two cylinder air inlets 704 in a one-to-one correspondence, when the pressure mechanism inflates the air pump, air enters from the cylinder air inlets of the cylinder, then passes through the cylinder air inlets 704, the air inlet through holes 802, the conversion air inlets and the outer side air inlets in sequence, then the second rubber plugs on the outer side air inlets are flushed away, and finally the air is pumped into the pressure mechanism, so that the outer side air can enter the cylinder under the action of the pressure mechanism; when the pressure mechanism deflates the air pump, the first rubber plug on the central air outlet is flushed away, and air in the pressure mechanism is discharged out of the air pump through the central air outlet, then sequentially passes through the central air outlet 901, the conversion air outlet 903 and the air outlet through hole 801 on the air inlet and outlet conversion plate 9, and then is discharged out of the air cylinder 7 through the air cylinder air outlet 703.
Because the two air outlet through holes 801 are opposite to the two air cylinder air outlets 703 in a one-to-one correspondence manner, and the two air inlet through holes 802 are opposite to the two air cylinder air inlets 704 in a one-to-one correspondence manner, when the screw rod motor rotates forwards, the pressure rod 2 moves downwards, so that the two first plugs are driven to drive the two first plugs to drive the silica gel sealing valves to pass through the corresponding plug through holes 24, so that the two first plugs are respectively plugged on the air cylinder air inlets of the first group of air inlet and outlet groups and the air cylinder air outlets of the second group of air inlet and outlet groups, and at the moment, the two first plugs are respectively plugged on the air outlet through hole 801 on the left side and the air inlet through hole 802 on the rear side; when the screw motor rotates reversely, the pressure rod 2 moves upwards to drive the two first plugs to move upwards, and according to the lever principle, the two second plugs can both bring the silica gel sealing valves to pass through the corresponding plug through holes 24, so that the two second plugs are respectively plugged on the air outlets of the cylinders of the first group of air inlet and outlet groups and the air inlets of the cylinders of the second group of air inlet and outlet groups, and at the moment, the two first plugs are respectively plugged on the air outlet through hole 801 on the right side and the air inlet through hole 802 on the front side.
The present invention is not limited to the above-described alternative embodiments, and various other forms of products can be obtained by anyone in light of the present invention. The above detailed description should not be taken as limiting the scope of the invention, which is defined in the claims, and which the description is intended to be interpreted accordingly.
Claims (5)
1. The utility model provides an use and admit air and give vent to anger conversion actuating mechanism in air pump which characterized in that: the air pump comprises an air valve support and an air cylinder, and the air valve support is connected with the air cylinder in a sealing manner;
the air valve support is provided with an air inlet one-way valve and an air outlet one-way valve, and the air cylinder is communicated with the air compressing mechanism through the air inlet one-way valve or the air outlet one-way valve;
the air cylinder is provided with two groups of air inlet and outlet groups, each group of air inlet and outlet group comprises a communicating pipe, an air cylinder air inlet and an air cylinder air outlet, one end of the communicating pipe is communicated with the air cylinder air inlets of the same group, the other end of the communicating pipe is communicated with the air cylinder air outlets of the same group, and the external end of the communicating pipe extends out of one end of the air cylinder far away from the air valve support;
all air inlets of the air cylinders are communicated with the air inlet one-way valve, and all air outlets of the air cylinders are communicated with the air outlet one-way valve;
the air valve support is provided with a central air outlet hole and a plurality of outer air inlet holes, the air outlet one-way valve is a first rubber plug blocked on the central air outlet hole, the air inlet one-way valve is a second rubber plug blocked on the outer air inlet holes, and the blocking directions of the second rubber plug and the first rubber plug on the air valve support are opposite;
the air pump also comprises an air inlet and outlet conversion plate, and the air inlet and outlet conversion plate is arranged between the air cylinder and the air valve bracket;
one end of the air inlet and outlet conversion plate, which is close to the air valve support, is provided with a central air outlet and two outer air inlets, and one end of the air inlet and outlet conversion plate, which is far away from the air valve support, is provided with two conversion air outlets and two conversion air inlets;
the two conversion air outlets are communicated with the central air outlet hole through the central air outlet, the conversion air inlets are communicated with the outer air inlet holes through the outer air inlets, the two conversion air outlets are transversely arranged, and the two conversion air inlets are longitudinally arranged;
the two conversion air inlets are opposite to the two air cylinder air inlets in a one-to-one correspondence manner, and the two conversion air outlets are opposite to the two air cylinder air outlets in a one-to-one correspondence manner;
the air inlet and outlet conversion driving mechanism comprises a driving mechanism, a valve connecting rod support, a first plug group and a second plug group;
the first plug group is hinged to one side of the valve connecting rod support, and the second plug group is hinged to the other side of the valve connecting rod support;
the output end of the driving mechanism is connected with a first plug group, and the driving mechanism is used for driving the first plug group to move towards the air inlet and outlet group so that two first plugs of the first plug group are respectively plugged on the air inlet of the cylinder of the first group of air inlet and outlet group and the air outlet of the cylinder of the second group of air inlet and outlet group or are far away from the air inlet and outlet group so that two second plugs of the second plug group are respectively plugged on the air outlet of the cylinder of the first group of air inlet and outlet group and the air inlet of the cylinder of the second group of air inlet and outlet group.
2. The air inlet and outlet switching driving mechanism applied to the air pump according to claim 1, wherein: every communicating pipe all connects an trachea outward, the trachea sets up outside the cylinder, the trachea with communicating pipe intercommunication.
3. The air inlet and outlet switching driving mechanism applied to the air pump according to claim 1, wherein: the air compression mechanism comprises a motor, an eccentric shaft, a compression bowl bracket and an elastic air compression bowl which are arranged in the cavity;
the eccentric shaft is eccentrically arranged at the output end of the motor, and the motor is used for driving the eccentric shaft to rotate;
one end of the compression bowl support is embedded on the eccentric shaft, the other end of the compression bowl support is provided with three air compression shafts, the three air compression shafts are uniformly distributed on the compression bowl support in a circumferential mode, and the heights of the three air compression shafts are gradually increased;
the elastic air compression bowl is provided with three compression bowls which are sleeved on the three air compression shafts in a one-to-one correspondence manner.
4. The mechanism of claim 3, wherein the air inlet/outlet switching mechanism comprises: the air compression mechanism further comprises a motor fixing seat and an air compression chamber, the air compression chamber covers the motor fixing seat, and an internal cavity formed by covering the air compression chamber and the motor fixing seat is the cavity;
the motor is fixedly arranged on the motor fixing seat, and the output end of the motor penetrates through the motor fixing seat and is connected with the eccentric shaft;
and an air hole is formed in one end, far away from the motor fixing seat, of the air compression chamber.
5. The air inlet and outlet switching driving mechanism applied to the air pump according to claim 1, wherein: all the first plugs and all the second plugs are hinged to the valve connecting rod support through valve connecting rods.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010054617.7A CN111188754B (en) | 2020-01-17 | 2020-01-17 | Air inlet and outlet conversion driving mechanism applied to air pump |
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| CN202010054617.7A CN111188754B (en) | 2020-01-17 | 2020-01-17 | Air inlet and outlet conversion driving mechanism applied to air pump |
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| CN111188754A CN111188754A (en) | 2020-05-22 |
| CN111188754B true CN111188754B (en) | 2022-01-25 |
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| CN202010054617.7A Active CN111188754B (en) | 2020-01-17 | 2020-01-17 | Air inlet and outlet conversion driving mechanism applied to air pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112832657B (en) * | 2021-01-28 | 2023-08-25 | 华腾物联科技(武汉)有限公司 | Rolling curtain type air bag sealing window |
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| CN111188754A (en) | 2020-05-22 |
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