阅读说明：本技术 一种单段式橡胶密封膜气柜 (Single-section rubber sealing membrane gas holder ) 是由 汪华北 李志杰 陈金琪 于 2020-12-31 设计创作，主要内容包括：本发明公开了一种单段式橡胶密封膜气柜,包含底座、柜体、输气机构、排气机构、顶盖、护栏、爬梯及气体调平机构,本发明提供的装置在扩容机构中设置清除组件,随着气体推顶组件牵引外膜的上下滑动,而此时的清除组件相对固定,这样外膜内壁上积攒的油垢就会通过刮板的刮擦作用挤压到导料板上,再通过导料板自身的斜度,将油垢滑落至收集盒中进行收集,对受到气柜周边环境的影响产生的油膏状的污着物粘附在橡胶密封外膜上的情况进行处理的方式,可以避免油膏状的污着物在橡胶密封外膜上的堆积,防止其加速老化,提高其使用寿命,还可以实时减小橡胶密封外膜的自重,避免折叠难以打开的情况,相对地减小气体输入时受到的阻力,使得活塞的移动顺畅。(The invention discloses a single-section rubber sealing membrane gas holder, which comprises a base, a holder body, a gas transmission mechanism, an exhaust mechanism, a top cover, a guardrail, a ladder and a gas leveling mechanism, wherein a cleaning component is arranged in an expansion mechanism and slides up and down along with the traction of a gas pushing component on an outer membrane, the cleaning component is relatively fixed at the moment, so that greasy dirt accumulated on the inner wall of the outer membrane can be extruded onto a material guide plate through the scraping action of a scraper, the greasy dirt slides down into a collecting box for collection through the inclination of the material guide plate, and the condition that factice-shaped dirt adhered to the rubber sealing outer membrane due to the influence of the surrounding environment of the gas holder is treated, so that the accumulation of the greasy dirt on the rubber sealing outer membrane can be avoided, the accelerated aging of the rubber sealing outer membrane can be prevented, the service life of the rubber sealing outer membrane can be prolonged, the dead weight of the rubber sealing outer membrane can be reduced in real time, the condition that the folding is difficult to open is avoided, the resistance received when the gas is input is relatively reduced, and the movement of the piston is smooth.)

1. A single-section rubber sealing membrane gas holder comprises a base (1), a holder body (2), a gas transmission mechanism (3), an exhaust mechanism (4), a top cover (5), a guardrail (6), a ladder stand (7) and a gas leveling mechanism (8), wherein the holder body (2) is fixedly arranged on the upper surface of the base (1), the gas transmission mechanism (3) is arranged on one side of the base (1), one end of the gas transmission mechanism (3) extending into the base (1) is communicated with the bottom of the holder body (2), the exhaust mechanism (4) is arranged on one side of the base (1) far away from the gas transmission mechanism (3), one end of the exhaust mechanism (4) extending into the base (1) is communicated with the bottom of the holder body (2), the top cover (5) is arranged on one side of the holder body (2) far away from the base (1), the guardrail (6) is fixedly arranged on the outer wall of the holder body (2) at equal distance, and the ladder stand (7) is, the inner side of one end of the top cover (5) far away from the ladder stand (7) is fixedly connected with the base (1), the cabinet body (2) is close to one end of the top cover (5) and is equidistantly provided with a gas leveling mechanism (8), the gas transmission mechanism (3) comprises a first chassis (31), a first switch valve (32), a gas pipe (33) and a first connecting pipe (34), one side of the base (1) is provided with the first chassis (31), the upper surface of the first chassis (31) is fixedly provided with the first switch valve (32), one end of the first switch valve (32) is fixedly provided with the gas pipe (33), the other end of the first switch valve (32) is fixedly provided with the first connecting pipe (34) with the base (1), the exhaust mechanism (4) comprises a second chassis (41), a second switch valve (42), a second connecting pipe (43) and an exhaust pipe (44), one side of the base (1) far away from the first chassis (31) is provided with the second chassis (41), and the last fixed surface of second chassis (41) installs second ooff valve (42), fixed mounting has second connecting pipe (43) between second ooff valve (42) and base (1), and second ooff valve (42) keep away from the one end fixed mounting of second connecting pipe (43) has blast pipe (44), its characterized in that: the inside of the cabinet body (2) is provided with an expansion mechanism (9) with an automatic cleaning function.

2. A one-piece rubber sealing membrane gas holder according to claim 1, wherein: dilatation mechanism (9) are including gaseous ejection assembly (91), installation component (92) and clear away subassembly (93), fixed mounting has gaseous ejection assembly (91) on the inner wall of the cabinet body (2), and fixed mounting has installation component (92) on the inner wall that the cabinet body (2) is close to gaseous ejection assembly (91) one side, fixed mounting has clear away subassembly (93) on the lower surface of installation component (92).

3. A one-piece rubber sealing membrane gas holder according to claim 2, wherein: the gas ejection assembly (91) comprises a piston (911), a limit ring (912), an inner membrane (913), a supporting assembly (914), a top plate (915), a baffle plate (916) and an outer membrane (917), an inner membrane (913) is fixedly arranged on the lower surface of the piston (911), a limiting ring (912) is fixedly arranged on the inner wall of the cabinet body (2), the inner membrane (913) penetrates through the limiting ring (912), one end of the inner membrane (913) far away from the limiting ring (912) is fixedly connected with the baffle (916), a supporting component (914) is fixedly arranged on the upper surface of the piston (911), and a top plate (915) is fixedly arranged at one end of the supporting component (914) far away from the piston (911), the top plate (915) is in pressing contact with the baffle plate (916), the lower surface of the baffle plate (916) is fixedly provided with an outer membrane (917), and one end of the outer film (917) far away from the baffle (916) is fixedly connected with the inner wall of the cabinet body (2).

4. A one-piece rubber sealing membrane gas holder according to claim 3, wherein: bearing subassembly (914) include straight-bar (9141), diagonal brace (9142) and disc (9143), the upper surface border department equidistance fixed mounting of piston (911) has straight-bar (9141), and fixed mounting has diagonal brace (9142) between straight-bar (9141) top and piston (911), piston (911) one end fixed mounting is kept away from to straight-bar (9141) has disc (9143), and disc (9143) upper surface and roof (915) fixed connection.

5. A one-piece rubber sealing membrane gas holder according to claim 2, wherein: installation component (92) include center plate (921), connecting rod (922) and outer loop (923), equidistance ground fixed mounting has connecting rod (922) on center plate (921) outer wall, and connecting rod (922) keep away from center plate (921) one end fixed mounting has outer loop (923).

6. A one-piece rubber sealing membrane gas holder according to claim 2, wherein: clear away subassembly (93) including spliced pole (931), collect box (932), baffle (933), stop strip (934), spacing head (935), scraper blade (936), curb plate (937), stock guide (938) and sand grip (939), the center department equidistance fixed mounting of installation component (92) lower surface has spliced pole (931), and the one end fixed mounting that installation component (92) was kept away from to spliced pole (931) has collection box (932), equidistance fixed mounting has baffle (933) on the outer wall of collection box (932), and equidistance fixed mounting has stop strip (934) in baffle (933), the one end fixed mounting that collection box (932) was kept away from to baffle (933) has spacing head (935), and fixed mounting has scraper blade (936) between spacing head (935), scraper blade (936) and the inner wall extrusion contact of adventitia (917), symmetrical fixed mounting has curb plate (937) on the outer wall of spacing head (935), a material guide plate (938) is fixedly installed between the limiting heads (935), and a convex strip (939) is fixedly installed on one side, close to the scraper (936), of the material guide plate (938).

7. A one-piece rubber sealing membrane gas holder according to claim 4, wherein: the baffle (933) is arranged at a certain inclination, a certain height difference is arranged between the baffle (933) and the material guide plate (938), a certain height difference is arranged between the material guide plate (938) and the scraper (936), and the joint of the material guide plate (938) and the scraper (936) is in arc-shaped transition.

8. A one-piece rubber sealing membrane gas holder according to claim 1, wherein: and lantern rings are fixedly arranged at the joints of the gas transmission mechanism (3), the exhaust mechanism (4) and the base (1).

9. A one-piece rubber sealing membrane gas holder according to claim 1, wherein: and a sealing ring is fixedly arranged at the joint of the top cover (5) and the cabinet body (2).

Technical Field

The invention relates to the technical field of gas storage, in particular to a single-section rubber sealing membrane gas holder.

Background

The gas holder is common container equipment for storing raw material gas, semi-finished product gas or finished product gas of a production device, and has the advantages of low investment, simple manufacturing process, easy maintenance and the like.

In the case of dry cabinets, the most important sealing is to prevent air leakage between a fixed outer cylinder and a vertically movable piston, and in the technical management of dry cabinets, the management of the sealing mechanism and the sealing medium is the most important, and particularly, the protection of a rubber sealing film is important.

In practical use, due to the influence of the surrounding environment of the gas holder, dust in the air tends to enter the gas holder, and due to the erosion of water vapor and the back-and-forth lifting and folding of the rubber sealing film in the gas transmission and deflation processes, ointment-like dirt which is easily formed adheres to the rubber sealing film, and if the dirt is not removed, the following adverse effects are generated: 1. the grease-like dirt can accelerate the aging of the rubber sealing outer film and reduce the service life of the rubber sealing outer film; 2. the formed oil dirt is accumulated on the rubber sealing outer membrane more and more, the dead weight of the rubber sealing outer membrane is increased, the rubber sealing outer membrane is difficult to open after being folded, the resistance received when the gas is input is larger, and the movement of the piston is easily retarded.

Disclosure of Invention

The invention aims to provide a single-section rubber seal membrane gas holder to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a single-section rubber sealing membrane gas holder comprises a base, a holder body, a gas transmission mechanism, an exhaust mechanism, a top cover, a guardrail, a ladder stand and a gas leveling mechanism, wherein the base is fixedly provided with the holder body, one side of the base is provided with the gas transmission mechanism, one end of the gas transmission mechanism extending into the base is communicated with the bottom of the holder body, one side of the base far away from the gas transmission mechanism is provided with the exhaust mechanism, one end of the exhaust mechanism extending into the base is communicated with the bottom of the holder body, one side of the holder body far away from the base is provided with the top cover, the outer wall of the holder body is fixedly provided with the guardrail at equal intervals, one side of the outer wall of the holder body is fixedly provided with the ladder stand, the inner side of the ladder stand far away from one end of the top cover is fixedly connected with the base, one end of the holder body near the top cover, one side of base is equipped with first chassis, and the last fixed surface on first chassis installs first ooff valve, the one end fixed mounting of first ooff valve has the gas-supply pipe, and fixed mounting has first connecting pipe between the other end on first ooff valve and base, exhaust mechanism includes second chassis, second ooff valve, second connecting pipe and blast pipe, one side that first chassis was kept away from to the base is equipped with the second chassis, and the last fixed surface on second chassis installs the second ooff valve, fixed mounting has the second connecting pipe between second ooff valve and base, and the one end fixed mounting that the second connecting pipe was kept away from to the second ooff valve has the blast pipe, the internally mounted of the cabinet body has the dilatation mechanism that has the self-cleaning effect.

Preferably, the dilatation mechanism includes gaseous ejection subassembly, installation component and clears away the subassembly, fixed mounting has gaseous ejection subassembly on the inner wall of the cabinet body, and fixed mounting has the installation component on the inner wall that the cabinet body is close to gaseous ejection subassembly one side, fixed mounting has the subassembly of clearing away on the lower surface of installation component.

Preferably, gaseous ejection assembly includes piston, spacing ring, inner membrance, bearing subassembly, roof, baffle and adventitia, the lower fixed surface of piston installs the inner membrance, the inner wall fixed mounting of the cabinet body has the spacing ring, and the inner membrance alternates through the spacing ring, the one end and the baffle fixed connection of spacing ring are kept away from to the inner membrance, the last fixed surface of piston installs the bearing subassembly, and the one end fixed mounting that the piston was kept away from to the bearing subassembly has the roof, roof and baffle extrusion contact, the lower fixed surface of baffle installs the adventitia, and the adventitia one end and the internal wall fixed connection of cabinet of keeping away from the baffle.

Preferably, the bearing assembly comprises a straight rod, an inclined stay bar and a disc, the straight rod is fixedly installed on the edge of the upper surface of the piston at equal intervals, the inclined stay bar is fixedly installed between the top end of the straight rod and the piston, the disc is fixedly installed at one end, far away from the piston, of the straight rod, and the upper surface of the disc is fixedly connected with the top plate.

Preferably, the installation component comprises a central disc, a connecting rod and an outer ring, the connecting rod is fixedly installed on the outer wall of the central disc at equal intervals, and the outer ring is fixedly installed at one end, far away from the central disc, of the connecting rod.

Preferably, clear away the subassembly and include the spliced pole, collect box, baffle, stop strip, spacing head, scraper blade, curb plate, stock guide and sand grip, the center department equidistance ground fixed mounting of installation component lower surface has the spliced pole, and the spliced pole one end fixed mounting who keeps away from the installation component has the collection box, equidistance ground fixed mounting has the baffle on the outer wall of collection box, and equidistance ground fixed mounting has the strip of stopping in the baffle, the one end fixed mounting of collecting the box is kept away from to the baffle has the spacing head, and fixed mounting has the scraper blade between spacing head, the inner wall extrusion contact of scraper blade and adventitia, symmetrical ground fixed mounting has the curb plate on the outer wall of spacing head, fixed mounting has the stock guide between the spacing head, the stock guide is close to scraper blade one side fixed mounting and.

Preferably, the partition board is arranged in a certain inclination, a certain height difference is arranged between the partition board and the material guide board, a certain height difference is arranged between the material guide board and the scraper, and the connection part of the material guide board and the scraper is in arc-shaped transition.

Preferably, the joints of the gas transmission mechanism and the exhaust mechanism with the base are fixedly provided with lantern rings.

Preferably, a sealing ring is fixedly installed at the joint of the top cover and the cabinet body.

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

the device utilizes the theory of operation of gas holder self, the subassembly is clear away in the setting of dilatation mechanism, slide from top to bottom along with the adventitia is drawn to gaseous ejection of push subassembly, and the subassembly relatively fixed of clearing away this moment, the greasy dirt of collecting on the adventitia inner wall like this will extrude the stock guide through the scraping action of scraper blade, the inclination of rethread stock guide self, collect the greasy dirt landing to collecting box in, the mode of handling the condition of the thing adhesion on the sealed adventitia of rubber of the oleamen form that receives the influence production of gas holder all ring edge borders, have following several benefits:

1. avoid the accumulation of the greasy dirt on the rubber sealing outer film, prevent the accelerated aging of the rubber sealing outer film and prolong the service life of the rubber sealing outer film.

2. The dead weight of the rubber sealing outer membrane is reduced in real time, the condition that the rubber sealing outer membrane is difficult to open during folding is avoided, and the resistance received during gas input is relatively reduced, so that the piston moves smoothly.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the overall explosive structure of the present invention;

FIG. 3 is a schematic cross-sectional view of a gas ejection assembly according to the present invention;

FIG. 4 is a schematic diagram of the structure of the cleaning assembly of the present invention.

In the figure: 1. a base; 2. a cabinet body; 3. a gas delivery mechanism; 31. a first chassis; 32. a first on-off valve; 33. a gas delivery pipe; 34. a first connecting pipe; 4. an exhaust mechanism; 41. a second chassis; 42. a second on-off valve; 43. a second connecting pipe; 44. an exhaust pipe; 5. a top cover; 6. a guardrail; 7. climbing a ladder; 8. a gas leveling mechanism; 9. an expansion mechanism; 91. a gas ejection assembly; 911. a piston; 912. a limiting ring; 913. an inner membrane; 914. a holding assembly; 9141. a straight rod; 9142. a diagonal brace; 9143. a disc; 915. a top plate; 916. a baffle plate; 917. an outer membrane; 92. mounting the component; 921. a central disk; 922. a connecting rod; 923. an outer ring; 93. a clearing assembly; 931. connecting columns; 932. a collection box; 933. a partition plate; 934. a barrier strip; 935. a limiting head; 936. a squeegee; 937. a side plate; 938. a material guide plate; 939. and (4) raised strips.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 and 2, a single-section rubber sealing membrane gas holder shown in the figure comprises a base 1, a holder body 2, a gas delivery mechanism 3, an exhaust mechanism 4, a top cover 5, a guardrail 6, a ladder stand 7 and a gas leveling mechanism 8, wherein the holder body 2 is fixedly installed on the upper surface of the base 1, the gas delivery mechanism 3 is installed on one side of the base 1, one end of the gas delivery mechanism 3 extending into the base 1 is communicated with the bottom of the holder body 2, the exhaust mechanism 4 is installed on one side of the base 1 away from the gas delivery mechanism 3, one end of the exhaust mechanism 4 extending into the base 1 is communicated with the bottom of the holder body 2, the top cover 5 is installed on one side of the holder body 2 away from the base 1, the guardrails 6 are fixedly installed on the outer wall of the holder body 2 at equal intervals, the ladder stand 7 is fixedly installed on one side of the outer wall of the holder body 2, the inner side of the ladder stand 7 away from one end of the, the air delivery mechanism 3 comprises a first chassis 31, a first switch valve 32, an air delivery pipe 33 and a first connecting pipe 34, one side of the base 1 is provided with the first chassis 31, and the upper surface of the first chassis 31 is fixedly provided with a first switch valve 32, one end of the first switch valve 32 is fixedly provided with a gas pipe 33, a first connecting pipe 34 is fixedly installed between the other end of the first switch valve 32 and the base 1, the exhaust mechanism 4 includes a second chassis 41, a second switch valve 42, a second connecting pipe 43 and an exhaust pipe 44, the second chassis 41 is arranged on one side of the base 1 away from the first chassis 31, and a second switch valve 42 is fixedly installed on the upper surface of the second chassis 41, a second connecting pipe 43 is fixedly installed between the second switch valve 42 and the base 1, and the end of the second switch valve 42 far away from the second connecting pipe 43 is fixedly provided with an exhaust pipe 44, and the cabinet body 2 is internally provided with an expansion mechanism 9 with an automatic cleaning function.

The effect of device can be divided into gas transmission effect and gassing effect, and the gas transmission effect of device is used as the example here, at first through gas transmission mechanism 3 with the gaseous leading-in of the leading-in cabinet body 2 that needs carry out the storage, along with gaseous leading-in, dilatation mechanism 9 plays a role, changes the gas storage space in the cabinet body 2 in real time in order to adapt to gaseous leading-in, and gassing effect is unanimous with gas transmission effect principle, and the opposite direction, it can to open exhaust mechanism 4.

Referring to fig. 2, the expansion mechanism 9 includes a gas pushing assembly 91, a mounting assembly 92, and a cleaning assembly 93, the gas pushing assembly 91 is fixedly mounted on an inner wall of the cabinet 2, the mounting assembly 92 is fixedly mounted on an inner wall of the cabinet 2 close to the gas pushing assembly 91, and the cleaning assembly 93 is fixedly mounted on a lower surface of the mounting assembly 92.

Referring to fig. 3, the gas ejection assembly 91 includes a piston 911, a limiting ring 912, an inner film 913, a supporting assembly 914, a top plate 915, a baffle 916 and an outer film 917, the lower surface of the piston 911 is fixedly provided with the inner film 913, the inner wall of the cabinet 2 is fixedly provided with the limiting ring 912, the inner film 913 penetrates through the limiting ring 912, one end of the inner film 913, which is far away from the limiting ring 912, is fixedly connected with the baffle 916, the upper surface of the piston 911 is fixedly provided with the supporting assembly 914, one end of the supporting assembly 914, which is far away from the piston 911, is fixedly provided with the top plate 915, the top plate 915 is in pressing contact with the baffle 916, the lower surface of the baffle 916 is fixedly provided with the outer film 917, and one end of the outer.

Referring to fig. 3, the supporting assembly 914 includes a straight rod 9141, an inclined strut 9142 and a disc 9143, the straight rod 9141 is fixedly installed at the edge of the upper surface of the piston 911 at equal intervals, the inclined strut 9142 is fixedly installed between the top end of the straight rod 9141 and the piston 911, the disc 9143 is fixedly installed at one end of the straight rod 9141 far away from the piston 911, and the upper surface of the disc 9143 is fixedly connected with the top plate 915.

In the gas ejection assembly 91, after the gas enters the cabinet 2, the gas firstly ejects the piston 911, under the action of the gas pressure, the piston 911 pulls the inner membrane 913 to ascend while being ejected upwards, so that the top plate 915 ascends when reaching the limit of the baffle 916, the pressure of the gas can make the baffle 916 carry the outer membrane 917 to ascend continuously, the structure related to the piston 911 including the bottom, and when the baffle 916 ascends to the limit position, the gas is automatically diffused through the gas leveling mechanism 8.

Referring to fig. 4, the mounting assembly 92 includes a central plate 921, connecting rods 922 and an outer ring 923, the connecting rods 922 are fixedly mounted on the outer wall of the central plate 921 at equal intervals, and the outer ring 923 is fixedly mounted at one end of the connecting rods 922 far away from the central plate 921.

Referring to fig. 4, the cleaning assembly 93 includes a connection column 931, a collection box 932, a partition 933, a stop 934, a limiting head 935, a scraper 936, a side plate 937, a material guide 938 and a protrusion 939, connecting posts 931 are fixedly mounted at the center of the lower surface of the mounting assembly 92 at equal intervals, and a collecting box 932 is fixedly arranged at one end of the connecting column 931 far away from the mounting component 92, a clapboard 933 is fixedly arranged on the outer wall of the collecting box 932 at equal intervals, and stopping strips 934 are fixedly installed in the partition 933 at equal intervals, a stopper 935 is fixedly installed at one end of the partition 933 far away from the collection box 932, and a scraper 936 is fixedly arranged between the limiting heads 935, the scraper 936 is in pressing contact with the inner wall of the outer membrane 917, the outer wall of the limiting head 935 is symmetrically and fixedly provided with side plates 937, a material guide plate 938 is fixedly arranged between the limiting heads 935, and a raised line 939 is fixedly arranged on one side of the material guide plate 938 close to the scraper 936.

Along with the up-and-down sliding of the outer film 917 drawn by the gas pushing assembly 91 and the relative fixation of the cleaning assembly 93, the grease accumulated on the inner wall of the outer film 917 can be extruded to the material guide plate 938 by the scraping action of the scraper 936, and then the grease can slide to the collecting box 932 for collection by the inclination of the material guide plate 938 itself.

Referring to fig. 4, the partition 933 is disposed at a certain inclination, a certain height difference is provided between the partition 933 and the material guide plate 938, a certain height difference is provided between the material guide plate 938 and the scraper 936, and a connection portion between the material guide plate 938 and the scraper 936 is in an arc transition.

In the cleaning assembly 93, in order to deal with the complex accumulation condition of the oil dirt, the partition plates 933 are uniformly arranged between the guide plates 938, the arrangement of the partition plates 933 can divide the channel of the guide into a plurality of equal parts, so that if the integral oil dirt is accumulated on the inner wall of the outer membrane 917, the oil dirt can be fully separated by separating and sliding, the oil dirt can not be extruded and accumulated on the edges of the guide plates 938, the cleaning efficiency of the oil dirt-shaped dirt can be effectively improved, the circular arc transition between the guide plates 938 and the scraping plates 936 not only can utilize the characteristic of the oil dirt-shaped dirt, the oil dirt can conveniently and quickly slide, but also can eliminate the seam, the accumulation at the seam is prevented, in addition, a plurality of cylindrical convex blocks are fixedly arranged in the blocking strips 934 at equal intervals, when the oil dirt is accumulated on one side of the inner wall of the outer membrane 917, the oil dirt after being scraped and cleaned by the scraping plates 936 is in a tendency of overflowing to the adjacent side guide plates 938, the amount of the oil dirt directly guided into the collecting box 932 by the blocking strips 934 in the overflowing process is increased, that is, the amount of the oil dirt overflowing to the adjacent material guide plates 938 is relatively reduced, and the material guide performance of each material guide plate 938 is fully exerted.

Referring to fig. 1, the joints between the gas transmission mechanism 3 and the base 1 and between the exhaust mechanism 4 and the base 1 are both fixedly provided with collars, so as to improve the fastening degree of the gas transmission mechanism 3 and the exhaust mechanism 4 to the base 1.

Referring to fig. 1, a sealing ring is fixedly installed at the joint of the top cover 5 and the cabinet body 2, so that the connection airtightness of the top of the device is improved.

In the scheme, the working principle of the single-section rubber sealing membrane gas holder is as follows; the function of the device can be divided into gas transmission function and gas release function, wherein the gas transmission function of the device is taken as an example, firstly, gas to be stored is guided into the cabinet body 2 through the gas transmission mechanism 3, along with the introduction of the gas, the capacity expansion mechanism 9 functions to change the gas storage space in the cabinet body 2 in real time to adapt to the introduction of the gas, the gas release function is consistent with the gas transmission function principle and opposite in direction, the gas exhaust mechanism 4 is opened, in the gas ejection assembly 91, the gas enters the cabinet body 2 and then firstly pushes the piston 911, under the action of gas pressure, the piston 911 pulls the inner membrane 913 to rise while being pushed upwards, so that when the top plate 915 rises to reach the limit position of the baffle 916, the pressure of the gas can enable the baffle 916 to continue to rise with the outer membrane, the structure related to the piston 911 at the bottom is included, and when the baffle 916 rises to the limit position, the gas is automatically released through the, along with the up-and-down sliding of the outer film 917 drawn by the gas pushing assembly 91 and the relative fixation of the cleaning assembly 93, the grease accumulated on the inner wall of the outer film 917 can be extruded to the material guide plate 938 by the scraping action of the scraper 936, and then the grease can slide to the collecting box 932 for collection by the inclination of the material guide plate 938 itself.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.