阅读说明：本技术 一种制氢机氧气通断阀 (Hydrogen making machine oxygen on-off valve ) 是由 李雨欣 李增生 荊红莉 于 2021-09-06 设计创作，主要内容包括：本发明公开了一种制氢机氧气通断阀,包括阀体,所述阀体从上至下依次开设有氢气通道、阀腔、第一安装腔、第二安装腔,且阀腔与第一安装腔连通,所述氢气通道、阀腔、第一安装腔、安装腔共同贯穿并密封转动连接有转轴,所述转轴的上端外壁轴向固定连接有多个风动叶。本发明通过第一永磁块、第二永磁块、发条装置、转轴、风动叶、阀芯、第一通气口、第二通气口、氧气通道、氢气通道等的相互配合,使在氢气的流动下带动风动叶、转轴转动,进而使第一通气口与第二通气口连通,进而打开氧气流动的通道,在风力较小时便可关闭氧气流动的通道,无需借助电力,避免因电力断开而无法使用的情况。(The invention discloses an oxygen on-off valve of a hydrogen production machine, which comprises a valve body, wherein a hydrogen passage, a valve cavity, a first installation cavity and a second installation cavity are sequentially formed in the valve body from top to bottom, the valve cavity is communicated with the first installation cavity, the hydrogen passage, the valve cavity, the first installation cavity and the installation cavity are jointly penetrated through and are in sealed rotary connection with a rotating shaft, and the outer wall of the upper end of the rotating shaft is axially and fixedly connected with a plurality of wind-driven blades. According to the invention, through the mutual matching of the first permanent magnet, the second permanent magnet, the clockwork, the rotating shaft, the wind moving blade, the valve core, the first air vent, the second air vent, the oxygen channel, the hydrogen channel and the like, the wind moving blade and the rotating shaft are driven to rotate under the flow of hydrogen, so that the first air vent is communicated with the second air vent, the oxygen flowing channel is opened, the oxygen flowing channel can be closed when the wind power is low, the electric power is not needed, and the condition that the air cannot be used due to the disconnection of the electric power is avoided.)

1. The utility model provides a hydrogen manufacturing machine oxygen on-off valve, includes valve body (1), its characterized in that: the valve body (1) is sequentially provided with a hydrogen passage (11), a valve cavity (12), a first installation cavity (15) and a second installation cavity (16) from top to bottom, the valve cavity (12) is communicated with the first installation cavity (15), the hydrogen passage (11), the valve cavity (12), the first installation cavity (15) and the installation cavity (16) jointly penetrate through and are connected with a rotating shaft (2) in a sealing and rotating mode, the outer wall of the upper end of the rotating shaft (2) is axially and fixedly connected with a plurality of wind moving blades (21), a valve core (22) which is connected with the valve cavity (12) in a sealing and rotating mode is coaxially and fixedly sleeved on the rotating shaft (2), the valve core (22) is symmetrically provided with two second ventilation ports (221) relative to the axis of the rotating shaft (2), a communication port (223) is communicated between the two second ventilation ports (221), and two first ventilation ports (13) are arranged in the valve body (1) and at corresponding positions of the two second ventilation ports (221), two oxygen passageway (14) have been seted up to the lower extreme symmetry slope of first blow vent (13), be connected with clockwork spring device (23) between pivot (2) and first installation cavity (15), be equipped with intensity adjusting device in second installation cavity (16).

2. The hydrogen generator oxygen on-off valve as claimed in claim 1, wherein: the twisting direction of the clockwork (23) is consistent with the rotating direction of the valve core (22).

3. The hydrogen generator oxygen on-off valve as claimed in claim 1, wherein: the outer wall of the valve core (22) is fixedly connected with a limiting block (222), and the inner wall of the valve cavity (12) is provided with a limiting groove (121) which is in sealing sliding connection with the limiting block (222).

4. The hydrogen generator oxygen on-off valve as claimed in claim 1, wherein: the strength adjusting device comprises second mounting frame boxes (326) which are symmetrically and fixedly connected to the outer wall of the rotating shaft (2), wherein second permanent magnets (327) are fixed in the two second mounting frame boxes (326), two second sliding grooves (324) are symmetrically formed in the inner top surface of the second mounting cavity (16) relative to the axis of the rotating shaft (2), a first spring (325) is fixedly connected to the inner wall of one side, close to the second sliding grooves (324), of the two second sliding grooves (324), a second sliding block (322) which is in sliding connection with the second sliding grooves (324) is fixedly connected to the other end of the first spring (325), a first mounting frame box (32) is fixedly connected to the lower end of the first sliding block (323), an opening of the first mounting frame box (32) is arranged towards the second mounting frame boxes (326), a first permanent magnet (321) is fixed in the first mounting frame box (32), and the first permanent magnet (321) and the second permanent magnet (327) are arranged in an absorbing manner, the lower end of the first mounting frame box (32) is fixedly connected with a first sliding block (323), a worm wheel (31) is arranged in the second mounting cavity (16), two first sliding grooves (311) are symmetrically formed in the worm wheel (31) in a rotating mode, the two first sliding grooves (311) are respectively in sliding connection with the corresponding first sliding blocks (323), and the line where the first sliding grooves (311) are located is staggered with the axis of the rotating shaft (2).

5. The hydrogen generator oxygen on-off valve as claimed in claim 4, wherein: the inclination direction of the first sliding chute (311) is consistent with the rotation direction of the worm wheel (31).

6. The hydrogen generator oxygen on-off valve as claimed in claim 4, wherein: the lower end of the worm wheel (31) is coaxially and fixedly connected with a fixed column (34), a spline groove (341) is formed in the lower end of the fixed column (34), the lower end of the spline groove (341) penetrates through the second mounting cavity (16) and is fixedly connected with a pull rod (344), a spline rod (342) is connected in the spline groove (341) in a sliding mode, a second spring (343) is sleeved outside the spline rod (342), the upper end and the lower end of the second spring (343) are fixedly connected with the spline rod (342) and the inner bottom surface of the second mounting cavity (16) respectively, a worm (33) meshed with the worm wheel (31) penetrates through the inner bottom surface of the second mounting cavity (16) and is connected in a rotating mode, and a rotating handle (331) is fixedly connected with the lower end of the worm (33).

7. The hydrogen generator oxygen on-off valve as claimed in claim 4, wherein: the lower end of the worm wheel (31) is provided with an annular groove, the section of the annular groove is T-shaped, a plurality of support rods (35) are connected in the annular groove in a sliding mode, and the lower end of each support rod (35) is fixedly connected with the inner bottom surface of the second mounting cavity (16).

Technical Field

The invention relates to the technical field of hydrogen production machines, in particular to an oxygen on-off valve of a hydrogen production machine.

Background

The hydrogen energy has the advantages of good combustion performance, high calorific value, low consumption, no toxicity, no pollution, high utilization rate, convenient transportation, reduction of greenhouse effect and the like, and is widely applied as clean energy. At present, the modes of industrially preparing hydrogen energy mainly comprise coal hydrogen preparation, natural gas hydrogen preparation, methanol hydrogen preparation, hydrolysis hydrogen preparation and the like, wherein the hydrolysis hydrogen preparation is the most common method for preparing hydrogen, gas generated by a hydrolysis hydrogen preparation device comprises oxygen and hydrogen, and a control valve is required to be arranged at an outlet of a hydrogen preparation machine in order to ensure the safe operation of the hydrogen preparation machine in the hydrolysis process.

The existing control valve is generally an electronic valve, a standby power supply is required to be equipped to prevent sudden power failure, and once the electric quantity of the standby power supply is small, the standby power supply cannot be normally opened and closed, so that normal hydrogen production operation is influenced.

To this end, we propose an oxygen on-off valve for a hydrogen generator to solve the above problems.

Disclosure of Invention

The invention aims to provide an oxygen on-off valve of a hydrogen production machine, which aims to solve the problem that an electronic valve cannot normally work once no electricity is generated under the control of electric force, so that hydrogen production is influenced.

In order to achieve the purpose, the invention adopts the following technical scheme:

an oxygen on-off valve of a hydrogen making machine comprises a valve body, wherein a hydrogen passage, a valve cavity, a first installation cavity and a second installation cavity are sequentially arranged on the valve body from top to bottom, the valve cavity is communicated with the first installation cavity, the hydrogen passage, the valve cavity, the first installation cavity and the installation cavity are jointly penetrated through and are connected with a rotating shaft in a sealing and rotating mode, the outer wall of the upper end of the rotating shaft is axially and fixedly connected with a plurality of wind moving blades, a valve core which is connected with the valve cavity in a sealing and rotating mode is coaxially and fixedly sleeved on the rotating shaft, the valve core is symmetrically provided with two second air vents about the axis of the rotating shaft, a communicating port is communicated between the two second air vents, two first air vents are arranged in the valve body and are corresponding to the two second air vents, the lower ends of the two first air vents are symmetrically inclined and provided with oxygen passages, and a clockwork spring device is connected between the rotating shaft and the first installation cavity, and a strength adjusting device is arranged in the second mounting cavity.

Preferably, the direction of torsion of the clockwork coincides with the direction of rotation of the spool.

Preferably, the outer wall of the valve core is fixedly connected with a limiting block, and the inner wall of the valve cavity is provided with a limiting groove in sealing sliding connection with the limiting block.

Preferably, the strength adjusting device comprises second mounting frame boxes symmetrically and fixedly connected to the outer wall of the rotating shaft, second permanent magnets are fixed in both the second mounting frame boxes, two second sliding grooves are symmetrically formed in the inner top surface of the second mounting cavity relative to the axis of the rotating shaft, a first spring is fixedly connected to the inner wall of one side, close to each other, of the two second sliding grooves, a second sliding block is fixedly connected to the other end of the first spring, the second sliding block is slidably connected with the second sliding grooves, the lower end of the first sliding block is fixedly connected with the first mounting frame box, the opening of the first mounting frame box faces the second mounting frame box, the first permanent magnets are fixed in the first mounting frame box, the first permanent magnets and the second permanent magnets are attracted, the lower end of the first mounting frame box is fixedly connected with the first sliding block, a worm wheel is arranged in the second mounting cavity, two first sliding grooves are symmetrically formed in the worm wheel, the two first sliding grooves are respectively connected with the corresponding first sliding blocks in a sliding mode, and the lines where the first sliding grooves are located are staggered with the axis of the rotating shaft.

Preferably, the first sliding groove is inclined in the same direction as the rotation direction of the worm wheel.

Preferably, the lower end of the worm wheel is coaxially and fixedly connected with a fixed column, the lower end of the fixed column is provided with a spline groove, the lower end of the spline groove penetrates through the second mounting cavity and is fixedly connected with a pull rod, a spline rod is slidably connected in the spline groove, a second spring is sleeved outside the spline rod, the upper end and the lower end of the second spring are respectively fixedly connected with the spline rod and the inner bottom surface of the second mounting cavity, the inner bottom surface of the second mounting cavity penetrates through and is rotatably connected with a worm meshed with the worm wheel, and the lower end of the worm is fixedly connected with a rotating handle.

Preferably, the lower end of the worm wheel is provided with an annular groove, the section of the annular groove is T-shaped, the annular groove is connected with a plurality of support rods in a sliding mode, and the lower end of each support rod is fixedly connected with the inner bottom surface of the second mounting cavity.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the mutual matching of the first permanent magnet, the second permanent magnet, the clockwork, the rotating shaft, the wind moving blade, the valve core, the first air vent, the second air vent, the oxygen channel, the hydrogen channel and the like, the wind moving blade and the rotating shaft are driven to rotate under the flowing of hydrogen, so that the first air vent is communicated with the second air vent, the oxygen flowing channel is opened, the oxygen flowing channel can be closed when the wind power is small, the electric power is not needed, and the condition that the air cannot be used due to the disconnection of the electric power is avoided;

2. according to the invention, through the mutual matching of the worm wheel, the worm, the first sliding chute, the second sliding chute, the first sliding block, the second sliding block, the first spring, the second spring, the fixed column, the spline groove, the spline rod and the like, the distance between the first permanent magnet block and the second permanent magnet block can be adjusted according to actual needs, so that the magnetic attraction force between the first permanent magnet block and the second permanent magnet block is adjusted, and the threshold value for opening the valve is adjusted.

Drawings

FIG. 1 is a front sectional view of an oxygen on-off valve of a hydrogen generator according to the present invention;

FIG. 2 is a partially enlarged schematic view of FIG. 1;

FIG. 3 is a structural cross-sectional view of a hydrogen generator oxygen on-off valve core according to the present invention;

fig. 4 is a schematic structural diagram of a top view of a worm wheel of an oxygen on-off valve of a hydrogen production machine according to the present invention.

In the figure: 1 valve body, 11 hydrogen passages, 12 valve cavities, 121 limiting grooves, 13 first air vents, 14 oxygen passages, 15 first mounting cavities, 16 second mounting cavities, 2 rotating shafts, 21 wind moving blades, 22 valve cores, 221 second air vents, 222 limiting blocks, 223 communicating ports, 23 clockwork spring devices, 31 worm wheels, 311 first sliding grooves, 32 first mounting frame boxes, 321 first permanent magnet blocks, 322 second sliding blocks, 323 first sliding blocks, 324 second sliding grooves, 325 first springs, 326 second mounting frame boxes, 327 second permanent magnet blocks, 33 worms, 331 rotating handles, 34 fixed columns, 341 grooves, 342 spline rods, 343 second springs, 344 pull rods and 35 supporting rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, an oxygen on-off valve of a hydrogen making machine comprises a valve body 1, the valve body 1 is sequentially provided with a hydrogen passage 11, a valve cavity 12, a first installation cavity 15 and a second installation cavity 16 from top to bottom, the valve cavity 12 is communicated with the first installation cavity 15, the hydrogen passage 11, the valve cavity 12, the first installation cavity 15 and the installation cavity 16 are jointly penetrated through and are connected with a rotating shaft 2 in a sealing and rotating way, the outer wall of the upper end of the rotating shaft 2 is axially and fixedly connected with a plurality of wind moving blades 21, the rotating shaft 2 is coaxially and fixedly sleeved with a valve core 22 which is connected with the valve cavity 12 in a sealing and rotating way, the valve core 22 is symmetrically provided with two second air vents 221 about the axis of the rotating shaft 2, a communication port 223 is communicated between the two second air vents 221, two first air vents 13 are arranged in the valve body 1 and at the positions corresponding to the two second air vents 221, the lower ends of the two second air vents 13 are symmetrically and obliquely provided with oxygen passages 14, a clockwork 23 is connected between the rotating shaft 2 and the first installation cavity 15, the clockwork 23 can enable the valve core 22 to reset without wind power, further the first vent hole 13 and the second vent hole 221 are staggered, a passage for oxygen to enter is closed, the twisting direction of the clockwork 23 is consistent with the rotating direction of the valve core 22, and an intensity adjusting device is arranged in the second installation cavity 16.

In order to ensure that the circumferential rotation angle of the valve core 22 is not too large, the following steps are provided: the outer wall of the valve core 22 is fixedly connected with a limiting block 222, and the inner wall of the valve cavity 12 is provided with a limiting groove 121 which is in sealing sliding connection with the limiting block 222, that is, in the rotating process of the valve core 22, the limiting block 222 slides in the limiting groove 121, so that the second vent 221 is ensured to be communicated with the first vent 13 or the second vent 221 is blocked by the valve body 1.

The strength adjusting device comprises second mounting frame boxes 326 symmetrically and fixedly connected to the outer wall of the rotating shaft 2, second permanent magnets 327 are fixed in the two second mounting frame boxes 326, two second sliding grooves 324 are symmetrically formed in the inner top surface of the second mounting cavity 16 relative to the axis of the rotating shaft 2, a first spring 325 is fixedly connected to the inner wall of one side, close to each other, of the two second sliding grooves 324, so that under the influence of no external force, a second sliding block 322 abuts against the inner wall of one side, far away from the rotating shaft 2, of the second sliding groove 324, the other end of the first spring 325 is fixedly connected with a second sliding block 322 in sliding connection with the second sliding grooves 324, the lower end of the second sliding block 322 is fixedly connected with a first mounting frame box 32, the opening of the first mounting frame box 32 faces the second mounting frame boxes 326, a first permanent magnet 321 is fixed in the first mounting frame box 32, the first permanent magnet 321 and the second permanent magnet 327 are attracted and arranged, and the lower end of the first mounting frame box 32 is fixedly connected with the first sliding block 323, the second installation cavity 16 is provided with a worm wheel 31 therein, it should be noted that the first installation frame box 32 and the second installation frame box 326 are both made of magnetic shielding materials, so that the magnetic poles of the first permanent magnet block 321 and the second permanent magnet block 327 act in a single direction, thereby avoiding the mutual influence of the two permanent magnet blocks 327, and the two permanent magnet blocks 327 can be attracted by each other by setting, and the two permanent magnet blocks 327 can also be equivalent to one permanent magnet block, as long as one permanent magnet block is attracted by the two first permanent magnet blocks 321.

Two first sliding grooves 311 are symmetrically and rotatably formed in the worm wheel 31, the two first sliding grooves 311 are respectively connected with the corresponding first sliding blocks 323 in a sliding manner, the first sliding grooves 311 are staggered with the axis of the rotating shaft 2 on line, the second sliding grooves 324 are straight grooves, and the first sliding grooves 311 are inclined grooves relative to the second sliding grooves 324.

The inclined direction of the first sliding slot 311 coincides with the rotation direction of the worm wheel 31, that is, the first sliding block 323 slides in the first sliding slot 311 during the rotation of the worm wheel 31, and the first sliding block 323 cannot abut against the inner wall of the first sliding slot 311 and cannot rotate.

The lower end of the worm wheel 31 is coaxially and fixedly connected with a fixed column 34, the lower end of the fixed column 34 is provided with a spline groove 341, the lower end of the spline groove 341 penetrates through the second mounting cavity 16 and is fixedly connected with a pull rod 344, a spline rod 342 is slidably connected in the spline groove 341, a second spring 343 is sleeved outside the spline rod 342, the spline rod 342 is clamped in the spline groove 341 under the elastic force of the second spring 343 to fix the position of the worm wheel 31, the rotation handle 331 is prevented from rotating freely under the influence of external force, the upper end and the lower end of the second spring 343 are respectively fixedly connected with the spline rod 342 and the inner bottom surface of the second mounting cavity 16, the inner bottom surface of the second mounting cavity 16 penetrates through and is rotatably connected with a worm 33 meshed with the worm wheel 31, and the lower end of the worm 33 is fixedly connected with the rotation handle 331.

The ring channel has been seted up to worm wheel 31's lower extreme, and the cross-section of ring channel is the T type, and sliding connection has a plurality of bracing pieces 35 in the ring channel, and the lower extreme of each bracing piece 35 all with the interior bottom surface fixed connection of second installation cavity 16, at worm wheel 31 pivoted in-process, each bracing piece 35 also slides in the ring channel, supports worm wheel 31 simultaneously.

In the present invention, hydrogen flows out through the hydrogen passage 11, and the wind blade 21 is stressed according to the flow velocity of hydrogen, so as to drive the rotating shaft 2 to rotate, it should be noted that the clockwork 23 rotates according to the torque force, but before the rotation, the rotating torque needs to overcome the magnetic attraction between the first permanent magnet 321 and the second permanent magnet 327 to drive the clockwork 23 to rotate, before the valve core 22 rotates, the first vent 13 and the second vent 221 are in a staggered state, that is, the oxygen cannot flow out;

as long as the first air vent 13 is communicated with the second air vent 221, oxygen can flow out, the communication area of the first air vent 13 and the second air vent 221 determines the flow rate of the oxygen, the flow rate needs to be correspondingly increased under the condition of hydrogen production with higher strength, the generated oxygen is correspondingly increased, and the opening threshold values of the valve are different under different hydrogen production conditions, so that the magnetic attraction force between the first permanent magnet 321 and the second permanent magnet 327 needs to be overcome before the torsion of the spring device 23 needs to be adjusted;

the method comprises the following specific steps: when the distance between the first permanent magnet 321 and the second permanent magnet 327 needs to be adjusted, the pull rod 344 is pulled downwards, the second spring 343 is compressed to pull the spline rod 342 out of the spline groove 341, the position limitation on the worm wheel 31 is removed, the rotating handle 331 drives the worm wheel 31 to rotate, during the rotation of the worm wheel 31, the first slider 323 slides in the first sliding slot 311, since the first mounting frame box 32 is connected to the second sliding block 322 through the first mounting frame box 32, and the second sliding slot 324 is a straight slot, the first sliding slot 311 presses the first sliding block 323 to drive the first mounting frame box 32 and the second sliding block 322 to move linearly, further compressing the first spring 325, shortening the distance between the first permanent magnet 321 and the second permanent magnet 327, increasing the magnetic attraction force between the two permanent magnets, then, the pull rod 344 is released, so that the spline shaft 342 is engaged into the spline groove 341 by the elastic force of the second spring 343, and the position of the worm wheel 31 is fixed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.