CN214991899U

CN214991899U - Protection device for water electrolysis hydrogen production

Info

Publication number: CN214991899U
Application number: CN202121395076.0U
Authority: CN
Inventors: 何守洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-03
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses a protector is used in hydrogen manufacturing of water electrolysis, including casing and the fixed establishment of setting in the casing, shells inner wall bottom center department fixed connection cavity board outer wall bottom, the cavity inboard chamber left and right sides slides respectively and cup joints lagging one side, two the lagging opposite side rotates respectively and connects buffer board one end, two the buffer board other end rotates respectively and connects the backup pad bottom left and right sides, the punishment of backup pad left and right sides center is fixed connection stopper not. The utility model discloses it is rational in infrastructure, drive first connecting block through rotating limit screw stop screw and be close to the direction of second connecting block to make first connecting block pulling first arc be close to the second arc, realize pressing from both sides the clamp of system oxygen jar and system hydrogen jar through mutually supporting of second arc and first arc at last, the fixed of system oxygen jar and system hydrogen jar of being convenient for, the dismantlement of the system hydrogen jar of also being convenient for simultaneously takes out convenient operation.

Description

Protection device for water electrolysis hydrogen production

Technical Field

The utility model relates to a water electrolysis hydrogen manufacturing field, especially protection device for water electrolysis hydrogen manufacturing.

Background

The water electrolysis hydrogen production device is a general name which takes water as raw material and is combined by devices such as a water electrolysis bath, a hydrogen (oxygen) gas-liquid separator, a hydrogen (oxygen) gas cooler, a hydrogen (oxygen) gas scrubber and the like. Hydrogen production by water electrolysis is a convenient method, direct current is introduced into an electrolytic cell filled with potassium hydroxide or sodium hydroxide, and water molecules are subjected to electrochemical reaction on electrodes to be decomposed into hydrogen and oxygen.

The existing water electrolysis hydrogen production device lacks a fixing mechanism for the storage tank, is difficult to rapidly disassemble the storage tank to collect products, and lacks the buffer protection for the preparation tank in the transportation and use processes of the preparation tank. Therefore, a protection device for water electrolysis hydrogen production is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The protection device for hydrogen production by water electrolysis is provided in the embodiment to solve the problem of poor fixing effect of the preparation tank in the prior art.

According to one aspect of the utility model, a protection device for hydrogen production by water electrolysis is provided, which comprises a shell and a fixing mechanism arranged in the shell, wherein the center of the bottom end of the inner wall of the shell is fixedly connected with the bottom end of the outer wall of a cavity plate, the left side and the right side of the inner cavity of the cavity plate are respectively and slidably sleeved with one side of a sleeve plate, the other sides of the two sleeve plates are respectively and rotatably connected with one end of a buffer plate, the other ends of the two buffer plates are respectively and rotatably connected with the left side and the right side of the bottom end of a supporting plate, the centers of the left side and the right side of the supporting plate are respectively and fixedly connected with a limiting block, the two limiting blocks are respectively and slidably sleeved in limiting grooves, and the two limiting grooves are respectively embedded in the centers of the left side and the right side of the inner wall of the shell;

the fixed establishment includes the draw-in groove, the draw-in groove inlays in shells inner wall top center department, the draw-in groove inner chamber left and right sides slides respectively and cup joints the movable block, two the movable block bottom rotates respectively connects the connecting plate top, two the connecting plate bottom rotates respectively connects clamp plate top left and right sides, two the clamp plate bottom overlap joint preparation jar outer wall top respectively, two the movable block is threaded respectively and cup joints in the threaded rod left and right sides, threaded rod one end is rotated and is connected draw-in groove inner wall one side, threaded rod other end fixed connection rotates the motor output, rotate motor fixed connection draw-in groove outer wall one side.

Further, the backup pad bottom left and right sides rotates respectively and connects the commentaries on classics board top, two commentaries on classics board bottom rotates respectively and connects the slider top, two the slider slides respectively and cup joints at the spout inner chamber, two the spout level respectively inlays in the shells inner wall bottom left and right sides.

Furthermore, one side, close to each other, of each of the two sliding blocks is fixedly connected with one end of a first spring, the other end of each of the two first springs is fixedly connected with one side of the inner wall of the sliding groove, and the two first springs are sleeved in the inner cavity of the sliding groove in a sliding mode.

Furthermore, one side of each of the two sleeve plates, which is close to each other, is fixedly connected with the left end and the right end of the second spring respectively, and the second spring is sleeved in the inner cavity of the sleeve plate in a sliding manner.

Further, the center of the top end of the supporting plate is fixedly connected with the bottom end of the outer wall of the preparation tank, and the left side and the right side of the preparation tank are respectively provided with an oxygen preparation tank and a hydrogen preparation tank.

Further, both sides are fixed respectively about the preparation jar outer wall and are cup jointed the cutting ferrule, two the cutting ferrule outer wall left and right sides is fixed connection fixed block one side, four respectively fixed block opposite side fixed connection second arc outer wall one side, four respectively both ends are fixed connection second connecting block, four around the second arc outer wall second connecting block rotates respectively to be connected and runs through limiting screw one end.

Furthermore, four the outer wall of the limit screw is respectively in threaded sleeve joint with a first connecting block, the first connecting block is respectively fixedly connected with the front end and the rear end of the outer wall of the first arc-shaped plate, and the outer wall of the first arc-shaped plate is respectively fixedly connected with one side of the fixed plate.

Through the above embodiment of the utility model, adopted fixed establishment, solved the poor problem of preparation jar fixed effect, made things convenient for the dismantlement of hydrogen manufacturing jar and oxygen manufacturing jar.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic overall three-dimensional structure of an embodiment of the present invention;

fig. 2 is a schematic view of the overall internal structure of an embodiment of the present invention;

fig. 3 is a top view of a ferrule connection structure according to an embodiment of the present invention.

In the figure: 1. the oxygen generating tank comprises a shell, 2, an oxygen generating tank, 3, a fixing plate, 4, a supporting plate, 5, a first arc-shaped plate, 6, a limiting groove, 7, a limiting block, 8, a sliding block, 9, a sliding groove, 10, a first spring, 11, a buffering plate, 12, a sleeve plate, 13, a cavity plate, 14, a second spring, 15, a rotating plate, 16, a preparing tank, 17, a hydrogen generating tank, 18, a fixing block, 19, a clamping sleeve, 20, a pressing plate, 21, a connecting plate, 22, a clamping groove, 23, a moving block, 24, a threaded rod, 25, a rotating motor, 26, a limiting screw rod, 27, a second arc-shaped plate, 28, a first connecting block, 29 and a second connecting block.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The fixing mechanism in this embodiment may be applied to various kinds of protection mechanisms, for example, the following protection mechanism is provided in this embodiment, and the fixing filter mechanism in this embodiment may be used to fix the following protection mechanism.

The protection apparatus includes a hydrogen preparation assembly for preparing hydrogen and oxygen gases by electrolyzing water and collecting, a preparation machine protection assembly for securing the hydrogen preparation machine and providing protection for the hydrogen preparation machine, and a storage tank protection assembly for providing protection for the gas storage tank. Hydrogen preparation subassembly is including preparing the case, the preparation machine body, hydrogen storage jar and oxygen storage jar are all installed in preparation incasement portion, the preparation case can provide electric power for the preparation machine body, resources such as water, specifically refer to prior art, do not describe here in detail, the preparation machine body communicates in hydrogen storage jar and oxygen storage jar, hydrogen storage jar and oxygen storage jar are used for collecting hydrogen and oxygen that the electrolysis water reaction back generated respectively, the top of preparation case is provided with a plurality of rings, rings make things convenient for the transportation preparation case. The preparation machine protection component comprises a supporting plate and a first protection pad, the supporting plate is installed on two sides of the bottom of the preparation machine body, the supporting plate and the preparation machine body are connected through bolts, the first protection pad is arranged between the supporting plate and the preparation machine body, the preparation machine body can be protected by the first protection pad, impact injury is reduced, one side, away from the preparation machine body, of the supporting plate is connected with a reinforcing plate, the reinforcing plate is a triangular plate, and the reinforcing plate can enhance the stability of the supporting plate. Storage jar protection component includes the base, the fixed plate, lower fixing base and last fixing base, the pedestal mounting is in preparation incasement bottom both sides, hydrogen storage jar and oxygen storage jar are installed respectively in two bases, when specifically setting up, the base top is seted up with the recess of hydrogen storage jar and oxygen storage jar looks adaptation, be provided with the blotter in the recess, the blotter can protect hydrogen storage jar and oxygen storage jar, the fixed plate is connected in preparation incasement portion both sides, and is optional, the fixed plate passes through the bolt fastening with the preparation case, lower fixing base and last fixing base are connected respectively in the upper and lower both sides of fixed plate, a pedestal, lower fixing base and last fixing base correspond the setting. The lower fixing seat comprises a lantern ring, a first compression spring, a first clamping block, a sliding rod and a first knob, the lantern ring is connected to the bottom of one side of a fixing plate, a reinforcing block is connected between the lantern ring and the fixing plate and can increase the contact area between the lantern ring and the fixing plate, so that the structural strength is increased, the first compression spring is uniformly arranged in the lantern ring, the first clamping block is connected to one side of the first compression spring, one side, corresponding to the first clamping block, is in a circular arc shape, a hydrogen storage tank and an oxygen storage tank are inserted between the first clamping blocks, the first compression spring extrudes the side wall of the storage tank to fix the storage tank in the first clamping block, the sliding rod penetrates through the lantern ring in a sliding manner, the sliding rod is rotatably connected to the first clamping block, the first knob is connected to one end of the sliding rod, the outer side of the sliding rod is fixedly connected to a stop block, a through groove matched with the stop block is formed in the lantern ring, the stop block can slide along the through groove, and the through groove, outwards pulling the slide bar, taking the dog out from leading to the inslot, rotatory first knob makes the dog rotatory, and the lantern ring will block the dog this moment, and first compression spring is in and lasts the shrink state, and first fixture block no longer chucking hydrogen storage jar and oxygen storage jar, but this moment pull out hydrogen storage jar and oxygen storage jar, rotatory first knob makes the dog relative with leading to the groove position, and first compression spring resets. The upper fixing seat comprises a first clamp, a second compression spring, a second fixture block and a second knob, the first clamp is connected to the top of one side of the fixing plate, the second clamp is rotatably connected to the first clamp, the second compression spring is uniformly arranged in the first clamp and the second clamp, the second fixture block is connected to one side of the second compression spring, the side corresponding to the second fixture block is also arc-shaped, the first clamp and the second clamp can be fixedly connected through the second knob, it needs to be explained that the second clamp is rotated to close the first clamp and the second clamp, the second fixture block compresses the hydrogen storage tank and the oxygen storage tank, the second compression spring contracts, the second knob is rotated to fix the hydrogen storage tank and the oxygen storage tank between the first clamp and the second clamp, anti-slip stripes are printed on the surfaces of the first knob and the second knob to facilitate rotation, a second protection pad is arranged on the side corresponding to the first fixture block, the corresponding one side of second fixture block also is provided with the second and protects and fills up, and the second is protected and is filled up for rubber pad or polyurethane, and the second is protected and is filled up hydrogen storage jar and oxygen storage jar.

Of course, the present embodiment can also be used to secure other structures of the guard mechanism. The protection mechanism of the embodiment of the present invention is introduced below without repeated description.

Referring to fig. 1-3, the protector for hydrogen production by water electrolysis comprises a shell 1 and a fixing mechanism arranged in the shell 1, wherein the center of the bottom end of the inner wall of the shell 1 is fixedly connected with the bottom end of the outer wall of a cavity plate 13, the left side and the right side of the inner cavity of the cavity plate 13 are respectively and slidably sleeved with one side of a sleeve plate 12, the other sides of the two sleeve plates 12 are respectively and rotatably connected with one end of a buffer plate 11, the other ends of the two buffer plates 11 are respectively and rotatably connected with the left side and the right side of the bottom end of a support plate 4, the centers of the left side and the right side of the support plate 4 are respectively and fixedly connected with limiting blocks 7, the two limiting blocks 7 are respectively and slidably sleeved in limiting grooves 6, and the two limiting grooves 6 are respectively embedded in the centers of the left side and the right side of the inner wall of the shell 1;

the fixing mechanism comprises a clamping groove 22, the clamping groove 22 is embedded in the center of the top end of the inner wall of the shell 1, moving blocks 23 are respectively slidably sleeved on the left side and the right side of the inner cavity of the clamping groove 22, the bottom ends of the two moving blocks 23 are respectively rotatably connected to the top end of a connecting plate 21, the bottom ends of the connecting plate 21 are respectively rotatably connected to the left side and the right side of the top end of a pressing plate 20, the bottom ends of the pressing plate 20 are respectively connected to the top end of the outer wall of the preparation tank 16, the two moving blocks 23 are respectively in threaded sleeve connection on the left side and the right side of a threaded rod 24, one end of the threaded rod 24 is rotatably connected to one side of the inner wall of the clamping groove 22, the other end of the threaded rod 24 is fixedly connected to the output end of a rotating motor 25, and the rotating motor 25 is fixedly connected to one side of the outer wall of the clamping groove 22.

The left side and the right side of the bottom end of the support plate 4 are respectively rotatably connected with the top end of a rotating plate 15, the bottom ends of the two rotating plates 15 are respectively rotatably connected with the top ends of sliding blocks 8, the two sliding blocks 8 are respectively sleeved in an inner cavity of a sliding chute 9 in a sliding way, the two sliding chutes 9 are respectively horizontally embedded in the left side and the right side of the bottom end of the inner wall of the shell 1 so as to facilitate the lifting motion of the support plate 4, one sides of the two sliding blocks 8, which are close to each other, are respectively and fixedly connected with one end of a first spring 10, the other ends of the two first springs 10 are respectively and fixedly connected with one side of the inner wall of the sliding chute 9, the two first springs 10 are respectively and slidably sleeved in the inner cavity of the sliding chute 9 so as to increase the buffer protection of the preparation tank 16, one sides of the two sleeve plates 12, which are close to each other, are respectively and fixedly connected with the left end and the right end of a second spring 14, the second spring 14 is slidably sleeved in the inner cavity of the sleeve plate 12 so as to increase the sliding stability of the sleeve plate 12, the top end of the support plate 4 is fixedly connected with the bottom end of the outer wall of the preparation tank 16, the oxygen production tank 2 and the hydrogen production tank 17 are respectively arranged on the left side and the right side of the preparation tank 16, so that the separate collection of hydrogen and oxygen is facilitated, the cutting sleeves 19 are respectively fixedly sleeved on the upper side and the lower side of the outer wall of the preparation tank 16, the left side and the right side of the outer wall of each cutting sleeve 19 are respectively fixedly connected with one side of the corresponding fixing block 18, the other sides of the four fixing blocks 18 are respectively fixedly connected with one side of the outer wall of the second arc-shaped plate 27, the front end and the rear end of the outer wall of the four second arc-shaped plates 27 are respectively fixedly connected with the second connecting blocks 29, the four second connecting blocks 29 are respectively rotatably connected with and penetrate through the first limiting screw 26 to facilitate the pushing of the first arc-shaped plate 5 to move, the outer walls of the four limiting screws 26 are respectively in threaded sleeve connection with the first connecting blocks 28, the four first connecting blocks 28 are respectively fixedly connected with the front end and the rear end of the outer wall of the first arc-shaped plate 5, and the outer wall of the four first arc-shaped plates 5 are respectively fixedly connected with one side of the fixing plate 3, the clamping of the hydrogen production tank 17 and the oxygen production tank 2 is facilitated.

When the utility model is used, the electric components in the utility model are externally connected with a power supply and a control switch when in use, the rotating motor 25 is started, the rotating motor 25 drives the threaded rod 24 to rotate, the moving block 23 in threaded fit with the threaded rod 24 drives one end of the moving block 23 under the limit of the clamping groove 22, the moving block 23 pulls the connecting plate 21 to rotate, the connecting plate 21 pushes the pressing plate 20 to press the top end of the preparation tank 16, the preparation tank 16 is fixed, when the preparation tank 16 needs to be protected by buffering, the pressing plate 20 is separated from the preparation tank 16 by reversing the rotating motor 25, at the moment, the first spring 10 pulls the bottom end of the rotating plate 15 to move towards the direction close to each other, the supporting plate 4 drives the preparation tank 16 to rise, the bottom ends of the two buffering plates 11 slide towards the direction far away from each other, the two sleeve plates 12 respectively slide towards the directions far away from each other, the second spring 14 is stretched to absorb the stress, drive backup pad 4 and reset, thereby realize the buffer protection to preparation jar 16, avoid receiving the shock damage at the in-process of preparation jar 16 use and transportation, it is close to the direction of second connecting block 29 to drive first connecting block 28 through rotating stop screw 26, thereby make first connecting block 28 pulling first arc 5 be close to second arc 27, realize pressing from both sides tight to system oxygen jar 2 and hydrogen manufacturing jar 17 through mutually supporting of second arc 27 and first arc 5 at last, be convenient for make oxygen jar 2 and hydrogen manufacturing jar 17 fixed, the dismantlement of the hydrogen manufacturing jar 17 of also being convenient for simultaneously takes out, and convenient for operation.

The utility model discloses an useful part lies in:

1. the utility model has simple operation, the rotating motor is started to drive the threaded rod to rotate, the moving block in threaded fit with the threaded rod drives one end of the moving block under the limit of the clamping groove, the moving block pulls the connecting plate to rotate, so that the connecting plate pushes the pressing plate to tightly press the top end of the preparation tank to fix the preparation tank, when the preparation tank needs to be protected in a buffering way, the pressing plate is separated from the preparation tank by rotating the motor in a reverse direction, at the moment, the first spring pulls the bottom ends of the rotating plates to move towards the direction close to each other, the support plate drives the preparation tank to ascend, the bottom ends of the two buffer plates slide towards the direction far away from each other, the two sleeve plates respectively slide towards the direction far away from each other, the second spring is stretched to absorb stress, and the support plate is driven to reset, thereby realizing the buffer protection of the preparation tank and avoiding the preparation tank from being damaged by oscillation in the using and transporting processes;

2. the utility model discloses it is rational in infrastructure, drive first connecting block through rotating limit screw stop screw and be close to the direction of second connecting block to make first connecting block pulling first arc be close to the second arc, realize pressing from both sides the clamp of system oxygen jar and system hydrogen jar through mutually supporting of second arc and first arc at last, the fixed of system oxygen jar and system hydrogen jar of being convenient for, the dismantlement of the system hydrogen jar of also being convenient for simultaneously takes out convenient operation.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. Protection device for water electrolysis hydrogen manufacturing, its characterized in that: the device comprises a shell (1) and a fixing mechanism arranged in the shell (1), wherein the center of the bottom end of the inner wall of the shell (1) is fixedly connected with the bottom end of the outer wall of a cavity plate (13), the left side and the right side of the inner cavity of the cavity plate (13) are respectively in sliding sleeve joint with one side of sleeve plates (12), the other sides of the two sleeve plates (12) are respectively in rotating connection with one end of a buffer plate (11), the other ends of the two buffer plates (11) are respectively in rotating connection with the left side and the right side of the bottom end of a supporting plate (4), the centers of the left side and the right side of the supporting plate (4) are respectively and fixedly connected with limit blocks (7), the two limit blocks (7) are respectively in sliding sleeve joint with limit grooves (6), and the two limit grooves (6) are respectively embedded in the centers of the left side and the right side of the inner wall of the shell (1);

the fixing mechanism comprises a clamping groove (22), the clamping groove (22) is embedded in the center of the top end of the inner wall of the shell (1), moving blocks (23) are respectively slidably sleeved on the left side and the right side of the inner cavity of the clamping groove (22), the bottom ends of the two moving blocks (23) are respectively rotatably connected with the top end of a connecting plate (21), the bottom ends of the two connecting plates (21) are respectively rotatably connected with the left side and the right side of the top end of a pressing plate (20), the bottom ends of the pressing plate (20) are respectively lapped on the top end of the outer wall of the preparation tank (16), the two moving blocks (23) are respectively rotatably sleeved on the left side and the right side of a threaded rod (24), one end of the threaded rod (24) is rotatably connected with one side of the inner wall of the clamping groove (22), the other end of the threaded rod (24) is fixedly connected with the output end of a rotating motor (25), and one side of the outer wall of the rotating motor (25) is fixedly connected with the clamping groove (22).

2. The protection device for hydrogen production by water electrolysis according to claim 1, characterized in that: the left and right sides of the bottom end of the supporting plate (4) are respectively and rotatably connected with the top end of the rotating plate (15), the top end of the connecting slide block (8) is respectively and rotatably connected with the bottom end of the rotating plate (15), the slide block (8) is respectively and slidably sleeved in the inner cavity of the sliding chute (9), and the sliding chutes (9) are respectively and horizontally embedded in the left and right sides of the bottom end of the inner wall of the shell (1).

3. The protection device for hydrogen production by water electrolysis according to claim 2, characterized in that: one side, close to each other, of each of the two sliding blocks (8) is fixedly connected with one end of a first spring (10), the other end of each of the two first springs (10) is fixedly connected with one side of the inner wall of the sliding groove (9), and the two first springs (10) are sleeved in the inner cavity of the sliding groove (9) in a sliding mode.

4. The protection device for hydrogen production by water electrolysis according to claim 1, characterized in that: one side of each of the two sleeve plates (12) close to each other is fixedly connected with the left end and the right end of a second spring (14), and the second spring (14) is sleeved in the inner cavity of the sleeve plate (12) in a sliding manner.

5. The protection device for hydrogen production by water electrolysis according to claim 1, characterized in that: the center of the top end of the supporting plate (4) is fixedly connected with the bottom end of the outer wall of the preparation tank (16), and the left side and the right side of the preparation tank (16) are respectively provided with the oxygen production tank (2) and the hydrogen production tank (17).

6. The protection device for hydrogen production by water electrolysis according to claim 5, characterized in that: both sides are fixed respectively and are cup jointed cutting ferrule (19), two about preparation jar (16) outer wall cutting ferrule (19) outer wall left and right sides fixed connection fixed block (18) one side, four respectively fixed block (18) opposite side fixed connection second arc (27) outer wall one side, four respectively both ends are fixed connection second connecting block (29), four around second arc (27) outer wall second connecting block (29) rotate respectively to connect and run through stop screw (26) one end.

7. The protection device for hydrogen production by water electrolysis according to claim 6, characterized in that: four first connecting block (28), four are threaded respectively to stop screw (26) outer wall and cup joint first connecting block (28) two ends, four around first arc (5) outer wall of fixed connection respectively first connecting block (28) outer wall fixed connection fixed plate (3) one side respectively.