CN210920220U - Multi-air outlet air valve capable of adjusting ventilation and air-closing period - Google Patents
Multi-air outlet air valve capable of adjusting ventilation and air-closing period Download PDFInfo
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- CN210920220U CN210920220U CN201921221883.3U CN201921221883U CN210920220U CN 210920220 U CN210920220 U CN 210920220U CN 201921221883 U CN201921221883 U CN 201921221883U CN 210920220 U CN210920220 U CN 210920220U
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Abstract
The utility model relates to an air valve, in particular to a multi-air outlet air valve capable of adjusting the ventilation and air-closing periods, which comprises an air valve kit and a connecting rod, wherein the connecting rod is fixed at the end of the shaft end of a sliding shaft along the long axis direction of the sliding shaft; the other end of the connecting rod is fixed at the non-axial center of a rotating main shaft; the other end of the rotating main shaft is connected with a driving motor; the sliding sleeve is provided with an air inlet and an air outlet, the central axis of the air inlet and the central axis of the air outlet are not in the same straight line, the outer side wall of the sliding shaft is provided with an annular groove, and the annular groove forms an air storage cavity; the air storage cavity and the air inlet are in a normal interference state, and the air storage cavity and the air outlet are switched with the air outlet in an interference or non-interference state in the sliding process of the sliding shaft. Therefore, the periodic control of the ventilation and the gas closing of the gas valve can be realized under the condition of not using the electromagnetic valve, and the problems of unstable period and the like caused by the electromagnetic valve being subjected to electrical interference, spring aging and the like in use are avoided.
Description
Technical Field
The invention relates to a valve, in particular to a gas valve, and more particularly relates to a gas valve with multiple gas outlets, which can adjust the period of ventilation and gas closing.
Background
The rotary valve, also called rotary gas exchange valve, can change the gas passage, so as to open or close the corresponding gas passage according to specific requirements.
At present, the market only has a form of a gas valve controlled by a solenoid valve, which can realize automatic ventilation and gas closing control. The pressure of the spring is overcome by the magnetic force generated after the electromagnetic coil is electrified, so that the valve core is driven to work, and the ventilation and air-closing of the air valve are controlled by electrifying the electromagnetic coil.
However, there are many disadvantages in using such solenoid controlled valves.
For example, the solenoid valve is easily subjected to electrical interference, and further causes the change of the on-off period and the malfunction, so that the ventilation and the gas closing of the gas valve are changed, and the gas valve cannot be ensured to perform periodic ventilation and gas closing operation according to the preset value.
In addition, when the electromagnetic valve is used, because the component spring on the electromagnetic valve is easy to age, the on-off period of the electromagnetic valve is changed, even the on-off period is invalid, and the ventilation and the air closing of the whole air valve are influenced.
In the art, other control methods than solenoid valve control have not been disclosed.
Disclosure of Invention
The invention aims to provide a new control method, so that the adjustment and control of ventilation and gas-closing periods in a gas valve with multiple gas outlets can be realized.
In order to solve the technical problem, the invention discloses a multi-air-outlet air valve capable of adjusting the ventilation and air-closing period, which comprises an air valve kit, a connecting rod and a valve body, wherein the air valve kit comprises a sliding sleeve and a sliding shaft, the sliding shaft is arranged in the sliding sleeve and is in airtight fit with the sliding sleeve, and the connecting rod is fixed at the end of the shaft end of the sliding shaft along the long axis direction of the sliding shaft;
the other end of the connecting rod is fixed at the non-axial center of a rotating main shaft; the other end of the rotating main shaft is connected with a driving motor;
the sliding sleeve is provided with an air inlet and an air outlet, the central axis of the air inlet and the central axis of the air outlet are not in the same straight line, the outer side wall of the sliding shaft is provided with an annular groove, and the annular groove forms an air storage cavity; the air storage cavity and the air inlet are in a normal interference state, and the air storage cavity and the air outlet are switched with the air outlet in an interference or non-interference state in the sliding process of the sliding shaft.
The fixed position of the connecting rod and the rotating main shaft is a connecting rod fulcrum, and in the rotating process of the rotating main shaft, the connecting rod fulcrum moves by taking the axis of the rotating main shaft as the center of a circle and forms a circular motion track.
The motor is used as a driving force to drive the rotating main shaft to rotate, the connecting rod fixed on the rotating main shaft rotates along with the rotation of the rotating main shaft, and the sliding shaft fixed at the other end of the connecting rod moves along with the movement of the connecting rod and linearly reciprocates in the sliding sleeve along the long axis direction of the sliding sleeve. Thereby converting the rotary motion of the rotating main shaft into the linear reciprocating motion of the sliding shaft.
Because the gas storage cavity and the gas inlet are in a normally interfered state, gas continuously enters from the gas inlet, and is discharged from the gas outlet when the sliding shaft slides to cause the gas storage cavity and the gas outlet to be interfered, so that the gas storage cavity is in a ventilation state; when the sliding shaft slides and the air storage cavity does not interfere with the air outlet, air cannot be discharged from the air outlet, and the air storage cavity is in an air-closed state. Under the condition that the rotating speed of the rotating main shaft is not changed, the switching period of ventilation and air closing of the air outlet can be adjusted by adjusting the position of the connecting rod fulcrum on the rotating main shaft on the motion trail of the connecting rod fulcrum and keeping the position unchanged, and adjusting the relative position between the sliding shaft and the sliding sleeve.
As a preferred technical scheme, another annular groove is further formed in the outer side wall of the sliding shaft, the annular groove forms an air release cavity, the minimum distance between the air release cavity and the air storage cavity is slightly larger than or equal to the caliber of the bottom hole of the air outlet, and the distance is an effective adjusting section. The caliber as used herein refers to the diameter of the bottom hole.
Slightly greater as used herein means that in an arrangement equal to that, there may be a deviation of slightly greater.
The air leakage opening is that when the air storage cavity is not communicated with the air outlet, namely the air leakage cavity is communicated with the air outlet, part of air at the air outlet can flow into the air leakage cavity and then flow out of the outlet of the valve body due to pressure difference, so that the effect of pressure relief is achieved.
As a preferable technical solution, the device further comprises a coupling, and the coupling is arranged between the driving motor and the rotating main shaft. The driving motor transmits kinetic energy to the rotating main shaft through the coupler, so that the rotating main shaft is driven to rotate.
More preferably, the air outlet is composed of a small-caliber section at the bottom end and a large-caliber section at the upper end. Under the structure, the minimum distance between the air leakage cavity and the air storage cavity needs to be slightly larger than or equal to the small caliber at the bottom end of the air outlet. The caliber as used herein refers to the diameter of the bottom hole.
As a further preferred technical scheme, the sliding sleeve further comprises an organism, and the sliding sleeve is fixed on the organism.
Further preferably, the device comprises a plurality of groups of air valve kits, and connecting rods of the air valve kits are all fixed at the non-axial center of the same rotating main shaft.
Further preferably, the device comprises two groups of air valve kits, and connecting rods of the two groups of air valve kits are fixed at the same non-axial center of the same rotating main shaft.
Further preferably, the multi-air-outlet air valve with two sets of air valve sets and adjustable ventilation and air-closing periods is applied to production of solar reflective welding strips.
In the present invention, both ends of the connecting rod are connected to the sliding shaft and the rotating main shaft by means of pins, bearings, etc., and correspondingly, mounting holes for the pins or the bearings are respectively formed at both ends of the sliding shaft, the rotating main shaft, and the connecting rod.
By adopting the technical scheme disclosed by the invention, the periodic control of the ventilation and the air closing of the air valve can be realized under the condition of not using an electromagnetic valve. Therefore, the problems of unstable period and the like caused by electrical interference, spring aging and the like when the electromagnetic valve is used are avoided. The technical scheme disclosed by the invention can realize high-frequency periodic ventilation and air-blocking actions. Meanwhile, the ventilation and air-lock period in the technical scheme disclosed by the invention can be adjusted at will. A plurality of groups of air valve kits can be arranged according to the requirement, so that the control of the plurality of groups of air valve kits is realized by utilizing one driving force.
Drawings
FIG. 1 is a longitudinal sectional view of a multi-outlet valve with adjustable ventilation and air-lock cycle in an embodiment;
FIG. 2 is a schematic perspective view of a multi-outlet valve with adjustable ventilation and air-lock cycle according to an embodiment;
FIG. 3 is a top view of the multiple outlet valve of FIG. 2 with adjustable ventilation and deflation periods;
FIG. 4 is a longitudinal cross-sectional view of another embodiment of a multiple outlet valve with adjustable ventilation and lock-off periods;
FIG. 5 is a schematic diagram of a first state of a multi-outlet valve for regulating ventilation and air-lock in an embodiment with adjustable ventilation and air-lock cycle;
FIG. 6 is a schematic diagram illustrating a second state of the multi-outlet valve for adjusting ventilation and air-lock in the embodiment with adjustable ventilation and air-lock cycle;
FIG. 7 is a diagram illustrating a third state of the multi-outlet valve for adjusting ventilation and air-lock in the embodiment.
Fig. 8 is a schematic view of a multi-outlet valve capable of adjusting the ventilation and air-lock cycle in embodiment 2.
Fig. 9 is a detailed schematic diagram of an active conditioning segment.
Detailed Description
In order that the invention may be better understood, we now provide further explanation of the invention with reference to specific examples.
Example 1
As shown in fig. 1 to 4, the multi-air-outlet air valve capable of adjusting the ventilation and air-lock cycle comprises an air valve kit, wherein the air valve kit comprises a sliding sleeve 1, a sliding shaft 2, a connecting rod 4 and a sliding sleeve 2, wherein the sliding shaft 2 is installed in the sliding sleeve 1 and is in air-tight fit with the sliding sleeve 1, and the connecting rod 4 is fixed at the end of the shaft end of the sliding shaft along the long axis direction of the sliding shaft 2;
the other end of the connecting rod 4 is fixed at the non-axial center of the rotating main shaft 5; the other end of the rotating main shaft 5 is connected with a driving motor 7;
an air inlet 10 and an air outlet 11 are formed in the sliding sleeve 1, the central axis of the air inlet 10 and the central axis of the air outlet 11 are not on the same straight line, an annular groove is formed in the outer side wall of the sliding shaft 2, and the annular groove forms an air storage cavity 8; the air storage cavity 8 and the air inlet 10 are in a normal interference state, and the air storage cavity 8 and the air outlet 11 are switched with the air outlet 11 in an interference or non-interference state in the sliding process of the sliding shaft.
The position where the connecting rod 4 and the rotating main shaft 5 are fixed is a connecting rod fulcrum, and in the rotating process of the rotating main shaft, the connecting rod fulcrum moves by taking the axis of the rotating main shaft as the center of a circle and forms a circular motion track.
The motor 7 is used as a driving force to drive the rotating main shaft 5 to rotate, the connecting rod 4 fixed on the rotating main shaft is enabled to rotate along with the rotation of the rotating main shaft 5, and the sliding shaft 2 fixed at the other end of the connecting rod 4 is enabled to move along with the movement of the connecting rod 4 and to do linear reciprocating motion in the sliding sleeve 1 along the long axis direction of the sliding sleeve 1. Thereby converting the rotational motion of the rotating main shaft 5 into the linear reciprocating motion of the slide shaft 2.
Because the gas storage cavity 8 and the gas inlet 10 are in a normally interfered state, gas continuously enters from the gas inlet 10, and when the sliding shaft 2 slides to cause the gas storage cavity 8 to interfere with the gas outlet 11, the gas is discharged from the gas outlet 11 and is in a ventilation state; when the sliding shaft 2 slides and the air storage cavity 8 does not interfere with the air outlet 11, the air cannot be discharged from the air outlet 11, and the air-closed state is achieved.
Under the condition that the rotating speed of the rotating main shaft is not changed, the switching period of ventilation and air closing of the air outlet can be adjusted by adjusting the position of the connecting rod fulcrum on the rotating main shaft on the motion trail of the connecting rod fulcrum and keeping the position unchanged, and adjusting the relative position between the sliding shaft and the sliding sleeve.
In this embodiment, preferably, another annular groove is further formed on the outer side wall of the sliding shaft 2, the annular groove forms an air release cavity 12, the minimum distance between the air release cavity and the air storage cavity is slightly larger than or equal to the caliber of the bottom hole of the air outlet, and the distance is an effective adjusting section 16. The caliber as used herein refers to the diameter of the bottom hole.
When the air storage cavity 8 is not communicated with the air outlet 11, namely the air storage cavity 9 is communicated with the air outlet 11, part of air at the air outlet 11 flows into the air storage cavity 9 due to pressure difference and then flows out of the outlet of the valve body, so that the effect of pressure relief is achieved.
Preferably, a coupling 6 is further included in the present embodiment, and the coupling 6 is disposed between the driving motor 7 and the rotating spindle 5. The driving motor transmits kinetic energy to the rotating main shaft through the coupler 6, so that the rotating main shaft is driven to rotate.
More preferably, the air outlet 11 is composed of two sections, a small-caliber section at the bottom end and a large-caliber section at the upper end, wherein the small-caliber section is named as a bottom hole 13 in the embodiment. In this structure, the minimum distance between the air release cavity and the air storage cavity needs to be slightly larger than or equal to the small caliber of the bottom end of the air outlet, namely slightly larger than or equal to the caliber of the bottom hole 13. The caliber as used herein refers to the diameter of the bottom hole.
As a further preferred technical scheme, the sliding sleeve also comprises an organism 3, and the sliding sleeve 1 is fixed on the organism 3.
Further preferably, the device comprises a plurality of groups of air valve kits, and connecting rods of the air valve kits are all fixed at the non-axial center of the same rotating main shaft. As shown in fig. 2 and fig. 3, the present embodiment includes two sets of air valve assemblies, and the connecting rods of the two sets of air valve assemblies are fixed at the same non-axial center of the same rotating main shaft.
In use, the body 3 is stationary. The motor 7 is connected with and drives the rotating main shaft 5 through the coupler 6, and the motor 7 is started to enable the rotating main shaft 5 to rotate relative to the shaft center line. The sliding sleeve 1 is fixed on the machine body 3, and the sliding sleeve and the machine body do not move relatively. The matching between the sliding sleeve 1 and the sliding shaft 2 is airtight, the sliding shaft 2 slides linearly in the inner hole of the sliding sleeve 1, and the matching surface of the sliding sleeve 1 and the sliding shaft 2 is ensured to be airtight.
The inner hole of the sliding sleeve 1 and the outer surface of the sliding shaft 2 form two cavities, one is an air storage cavity 8, and the other is an air release cavity 9. The sliding sleeve 1 comprises an air inlet 10, an air outlet 11 and an air leakage port 12, wherein the air inlet 10 is an inlet of an air source and is always communicated with the air storage cavity 8; the gas outlet 11 is an outlet through which the gas flows out of the valve body after entering the gas storage cavity 8 from the gas inlet 10; when the air storage cavity 8 is not communicated with the air outlet 11, namely the air storage cavity 9 is communicated with the air outlet 11, part of air at the air outlet 11 flows into the air storage cavity 9 due to pressure difference and then flows out of the outlet of the valve body, so that the effect of pressure relief is achieved.
The starting motor 7 drives the rotating main shaft 5 to rotate (when a coupler is included, the motor firstly drives the coupler to move, and then drives the rotating main shaft to rotate), and the sliding shaft 2 is driven to do linear reciprocating motion through the transmission of the connecting rod 4. In the reciprocating motion process of the sliding shaft 2, the gas storage cavity 8 and the gas release cavity 9 also linearly reciprocate along with the sliding shaft 2, when the gas storage cavity 8 is communicated with the gas outlet 11, the gas release cavity 9 is not communicated with the gas outlet 11, gas flows out of the gas outlet 11, and no gas flows out of the gas release port 12; when the gas storage cavity 8 is not communicated with the gas outlet 11, the gas release cavity 9 is communicated with the gas outlet 11, no gas flows out from the gas outlet 11, and the gas release port 12 has gas flowing out for pressure release. The air outlet 11 forms a periodic cycle of ventilation and air-closing actions.
Under the condition that the rotating speed of the rotating main shaft 5 is not changed, the time period of the air opening and closing of the air outlet 11 of the valve can be adjusted, and the influence factors comprise three parts:
first, the slide shaft 2 effectively adjusts the section 16, and the length of the effective adjusting section 16 is required to be consistent with the diameter of the bottom hole 13 of the air outlet 11. The relative position of the effective regulating section 16 and the bottom hole 13 of the air outlet 11 is divided into three areas, as shown in fig. 5-7, the effective regulating section 16 is positioned in the area a 17 in the state of fig. 5, and the air storage cavity 8 is not communicated with the air outlet 11 at this time; in the state of fig. 6, the effective adjusting section 16 is located in the B area 18, and at this time, the effective adjusting section 16 is located right below the bottom hole 13 of the air outlet 11 and just blocks the bottom hole 13; in the state of fig. 7, the active regulating section is located in the C-zone 19, in which case the gas reservoir 8 communicates with the gas outlet 11;
secondly, the connecting rod fulcrum 14 and the motion trail 15 of the connecting rod fulcrum 14 are circles, and the center line of the circle is superposed with the center line of the rotating main shaft 5;
thirdly, when the effective adjusting section 16 of the slide shaft 2 is located in the B area 18, a certain position of the corresponding connecting rod fulcrum 14 on the motion track 15 determines the time period of the air opening and closing. If the adjustment period is required to be short, the position of the connecting rod fulcrum 14 on the movement track 15 needs to be determined firstly, the position of the sliding shaft 2 is kept unchanged, and then the position of the sliding sleeve 1 is adjusted to enable the effective adjustment section 16 to be located in the B area 18.
Example 2
On the basis of embodiment 1, the application of the device in the production of solar energy reflective solder strip is further described in this embodiment.
As shown in fig. 1 to 8, when the air outlet 11 of the air valve set 20 is ventilated, the air outlet 11 of the air valve set 21 is closed.
When the air outlet 11 of the air valve set 20 is closed, the air outlet 11 of the air valve set 21 is ventilated.
One cycle is counted by one rotation of the main rotating shaft 5. In one period, the ventilation time of the air outlet 11 of the air valve set 20 is equal to the air-off time of the air outlet 11 of the air valve set 21.
If the ventilation time of the air outlet 11 of the air valve set 20 needs to be adjusted, the position of the connecting rod fulcrum 14 on the motion track 15 needs to be determined:
in step 1, the position of the sliding shaft 2 of the air valve set 20 is kept unchanged, and then the position of the sliding sleeve 1 of the air valve set 20 is adjusted to enable the effective adjusting section 16 of the sliding shaft 2 of the air valve set 20 to be in the position of the B area 18.
And step 2, the position of the sliding shaft 2 of the air valve set 21 is kept unchanged, and then the position of the sliding sleeve 1 of the air valve set 21 is adjusted to enable the effective adjusting section 16 of the sliding shaft 2 of the air valve set 21 to be in the position of the B area 18.
And step 3, starting the motor 7.
And then air is alternately exhausted from the air valve sleeve 20 and the air valve sleeve 21 respectively to complete the air blowing requirement of the reflective welding strip.
What has been described above is a specific embodiment of the present invention. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.
Claims (7)
1. The utility model provides an adjustable many gas outlets pneumatic valve of ventilating, gas-tight cycle which characterized in that: the air valve sleeve comprises a sliding sleeve and a sliding shaft, wherein the sliding shaft is arranged in the sliding sleeve and is in airtight fit with the sliding sleeve;
the other end of the connecting rod is fixed at the non-axial center of a rotating main shaft; the other end of the rotating main shaft is connected with a driving motor;
the sliding sleeve is provided with an air inlet and an air outlet, the central axis of the air inlet and the central axis of the air outlet are not in the same straight line, the outer side wall of the sliding shaft is provided with an annular groove, and the annular groove forms an air storage cavity; the air storage cavity and the air inlet are in a normal interference state, and the air storage cavity and the air outlet are switched with the air outlet in an interference or non-interference state in the sliding process of the sliding shaft.
2. The multiple outlet valve with adjustable ventilation and air-lock cycle of claim 1, wherein: the outer side wall of the sliding shaft is also provided with another annular groove, the annular groove forms an air release cavity, the minimum distance between the air release cavity and the air storage cavity is slightly larger than or equal to the caliber of the bottom hole of the air outlet, and the distance is an effective adjusting section.
3. The multiple outlet valve with adjustable ventilation and air-lock cycle of claim 1, wherein: the device also comprises a coupler, wherein the coupler is arranged between the driving motor and the rotating main shaft.
4. The multiple outlet valve with adjustable ventilation and air-lock cycle of claim 1, wherein: the air outlet consists of a small-caliber section positioned at the bottom end and a large-caliber section positioned at the upper end.
5. The multiple outlet valve with adjustable ventilation and air-lock cycle of claim 1, wherein: the sliding sleeve is fixed on the machine body.
6. The multiple outlet valve with adjustable ventilation and air-lock cycle of claim 1, wherein: the multi-group air valve assembly comprises a plurality of groups of air valve assemblies, and connecting rods of the air valve assemblies are all fixed at the non-axis position of the same rotating main shaft.
7. The multiple outlet valve with adjustable ventilation and air-lock cycle of claim 1, wherein: the device comprises two groups of air valve kits, wherein connecting rods of the two groups of air valve kits are fixed at the same non-axial center of the same rotating main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221883.3U CN210920220U (en) | 2019-07-29 | 2019-07-29 | Multi-air outlet air valve capable of adjusting ventilation and air-closing period |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921221883.3U CN210920220U (en) | 2019-07-29 | 2019-07-29 | Multi-air outlet air valve capable of adjusting ventilation and air-closing period |
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| Publication Number | Publication Date |
|---|---|
| CN210920220U true CN210920220U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921221883.3U Active CN210920220U (en) | 2019-07-29 | 2019-07-29 | Multi-air outlet air valve capable of adjusting ventilation and air-closing period |
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| CN (1) | CN210920220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332340A (en) * | 2019-07-29 | 2019-10-15 | 深圳市科谱森精密技术有限公司 | Adjustable ventilation, period of holding one's breath have more port air valve |
-
2019
- 2019-07-29 CN CN201921221883.3U patent/CN210920220U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332340A (en) * | 2019-07-29 | 2019-10-15 | 深圳市科谱森精密技术有限公司 | Adjustable ventilation, period of holding one's breath have more port air valve |
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