Liquefied gas bottle angle valve intelligent switch state feedback control device

Abstract

The invention relates to the technical field of liquefied gas bottles, in particular to a liquefied gas bottle angle valve intelligent on-off state feedback control device which comprises a liquefied gas bottle, the liquefied gas bottle comprises a bottle body and an angle valve, the angle valve is installed at the center of the upper end face of the bottle body, and the angle valve is fixedly connected with the bottle body in a sealed mode. A protective cover for shielding an angle valve is installed on the upper end face of the bottle body, the protective cover is fixedly connected with the bottle body, a supporting frame set is installed in the protective cover, the supporting frame set is fixedly connected with the protective cover in a clamped mode, and an equipment box is installed on the supporting frame set. The protective cover is fixedly mounted on the liquefied gas bottle, so that the angle valve can be conveniently protected through the protective cover during use, stable mounting of the supporting frame group can be guaranteed through the arrangement of the protective cover, and stable mounting of the equipment box through the supporting frame group is guaranteed; and the linkage wheel sleeve group can be stably mounted through the equipment box when the device is convenient to use.

Description

Technical Field

[0001] The invention relates to the technical field of liquefied gas cylinders, and in particular to an intelligent switch state feedback control device for an angle valve of a liquefied gas cylinder. Background Art

[0002] A liquefied gas cylinder is a container used to store and transport liquefied gas, usually made of pressure-resistant metal (such as steel or aluminum alloy). These cylinders can be loaded with many types of liquefied gas.

[0003] The existing Chinese patent with announcement number CN201326898Y discloses a liquefied gas cylinder, including a bottle body, a shield, a base and a bottle valve, wherein the shield is provided with a baffle at its opening. Since the shield of the utility model is designed to be integral with the bottle body, the strength of the shield is increased. Due to the existence of the baffle, the user cannot replace the straight valve with an angle valve for continued use, so that the liquefied gas cylinder can be promptly scrapped and replaced when it exceeds its safe service life, thereby ensuring the safe use of the user.

[0004] With regard to the above-mentioned related technologies, it is found that the angle valve at the upper end of the existing liquefied gas cylinder can only be opened and closed by mechanical rotation. The main body of the existing mechanical device is heavy, and in order to ensure better rotation, the valve stem is often set longer, which makes it easy for the force to break at the connection. Summary of the invention

[0005] The present invention solves the problems in the related art and proposes an intelligent switch state feedback control device for an angle valve of a liquefied gas cylinder, thereby solving the problems that the existing angle valve of a liquefied gas cylinder is difficult to open and easy to break.

[0006] In order to solve the above technical problems, the present invention is achieved through the following technical solutions: a liquefied gas cylinder angle valve intelligent switch state feedback control device, comprising a liquefied gas cylinder, the liquefied gas cylinder comprising a bottle body and an angle valve, the angle valve is installed at the center of the upper end surface of the bottle body, and the angle valve is sealed and fixedly connected to the bottle body, the upper end surface of the bottle body is installed with a protective cover for blocking the angle valve, the protective cover is fixedly connected to the bottle body, a support frame group is installed in the protective cover, the support frame group is fixedly connected to the protective cover by snap-fitting, an equipment box is installed on the support frame group, the equipment box is fixedly connected to the support frame group, a linkage wheel set connected to the angle valve is installed at the head of the equipment box, the linkage wheel set is rotatably connected to the equipment box, and a driving component for driving the linkage wheel set to rotate is installed in the equipment box.

[0007] By adopting the above technical scheme, by designing the liquefied gas cylinder into a structure in which the bottle body and the angle valve are matched, the angle valve can be used to block the gas outlet of the bottle body during easy use, thereby ensuring that the gas supply can be safely controlled by the angle valve. At the same time, by installing a protective cover on the upper end face of the bottle body, it is convenient to block the angle valve through the protective cover, thereby ensuring the safe use of the angle valve and avoiding leakage due to bumps. By installing a support frame group in the protective cover, it is ensured that the support frame group can be supported on the inner side of the protective cover during installation. In this way, the equipment box can be stably installed through the support frame group, so that the equipment box can be stably fixed above the bottle body. At the same time, a linkage wheel set is installed through the head of the equipment box to ensure that it can be connected to the angle valve through the linkage wheel set during use. After the linkage wheel set is fixed on the angle valve, the linkage wheel set can be used to drive the angle valve to rotate synchronously for switching operations. By installing a drive assembly in the equipment box, the drive assembly can be used to drive the linkage wheel set to rotate during convenient use, thereby achieving the purpose of automatically rotating the angle valve.

[0008] As a preferred embodiment, the protective cover includes a main cover shell, an annular top plate and an arc wrench. The main cover shell is fixedly mounted on the upper end surface of the bottle body, and side grooves are symmetrically opened on both sides of the main cover shell. The annular top plate is arranged on the upper end surface of the main cover shell, and the arc wrench is installed in the side grooves, and the main cover shell, the annular top plate and the arc wrench are integrally formed.

[0009] By adopting the above technical solution, the protective cover is designed into a structure in which a main cover shell, an annular top plate and an arc wrench cooperate with each other. When it is easy to use, the main cover shell can be used as the protective body, and an annular top plate is provided at the upper end of the main cover shell to ensure that the upper end of the protective cover can be safely protected. By installing an arc wrench in the side grooves on both sides of the main cover shell, it is convenient to better operate the gas cylinder when moving.

[0010] As a preferred embodiment, the support frame assembly includes a frame top plate, an arc-shaped plate and an engaging bevel block matching the side grooves, the frame top plate is fixedly mounted on the upper end surface of the equipment box, the arc-shaped plate is vertically mounted on the lower end surface of the top plate, the engaging bevel block is symmetrically arranged on the inner side surface of the arc-shaped plate, and the top plate, the arc-shaped plate and the engaging bevel block are integrally formed.

[0011] By adopting the above technical solution, by designing the support frame group into a structure in which a frame top plate, an arc plate and a snap-fitting bevel block cooperate with each other, it can be fixedly connected to the equipment box through the frame top plate when it is easy to use, and then it can be quickly snapped onto the protective cover through the arc plate and the snap-fitting bevel block when it is installed. It is also easy to disassemble when not in use, and is very convenient to use.

[0012] As a preferred solution, the equipment box includes a vertical shell, a horizontal box and a box cover, the vertical shell is vertically installed on the upper end surface of the frame top plate, and the vertical shell is fixedly connected to the frame top plate by bolts, a battery shell is also provided in the vertical shell, the horizontal box is installed on the upper end surface of the vertical shell, and the horizontal box is fixedly connected to the vertical shell, and the box cover is installed on the upper end surface of the horizontal box, and the box cover is fixedly connected to the horizontal box.

[0013] By adopting the above technical solution, by designing the equipment box into a structure in which a vertical shell, a horizontal box and a box cover cooperate with each other, the vertical shell can be used to stably support the horizontal box when it is easy to use, and the linkage wheel set can be installed through the cooperation with the horizontal box to ensure that the linkage wheel set is stably rotated and installed in the equipment box. At the same time, by fixing the box cover on the horizontal box, the horizontal box can be sealed and shielded through the box cover when it is convenient to use, and it is also convenient to open it directly when it needs to be repaired, which is very flexible to use.

[0014] As a preferred solution, the linkage wheel set includes a positioning shaft, a large gear, an electric handwheel sleeve and a manual handwheel, the positioning shaft is rotatably installed in a horizontal box, and the head of the positioning shaft extends from the upper end of the box cover, the large gear sleeve is fixed in the middle part of the positioning shaft, the electric handwheel sleeve is fixedly installed on the lower end surface of the positioning shaft, and the manual handwheel is fixedly installed on the upper end surface of the positioning shaft.

[0015] By adopting the above technical scheme, by designing the linkage wheel set into a structure that matches the positioning shaft, the large gear, the electric handwheel set and the manual handwheel, it can be stably rotated and installed in the horizontal box through the positioning shaft when it is easy to use, and then the large gear is fixed on the positioning shaft to ensure the matching connection with the drive component, and the electric handwheel set is fixed at the lower end of the positioning shaft to ensure that it can be fixed on the head of the angle valve through the electric handwheel set when in use, and the manual handwheel is fixed on the head of the positioning shaft, so that the angle valve can be manually rotated for convenient use.

[0016] As a preferred solution, the driving assembly includes a motor group, a driving gear and a transmission gear. The motor group is fixedly installed in the vertical shell, the driving gear is fixedly installed on the output shaft of the motor group, the transmission gear is rotatably installed in the horizontal box, and the two sides of the transmission gear are respectively meshed with the driving gear and the large gear.

[0017] By adopting the above technical solution, by designing the driving component into a structure in which a motor group, a driving gear and a transmission gear cooperate, when it is easy to use, the driving gear can be driven to rotate by the motor group, and then the transmission gear can be driven to rotate synchronously by the driving gear, and then the large gear can be driven to rotate by the transmission gear. The diameters of the driving gear, the transmission gear and the large gear are increased successively, so that multi-stage transmission can be achieved, ensuring that the motor group can rotate to open the angle valve with a smaller torque, making the opening and closing operations easier.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present application fixes and installs a protective cover on the liquefied gas cylinder, so that the protective cover can be used to protect the angle valve when it is convenient to use, and the provision of the protective cover can ensure that the support frame group is stably installed, and the equipment box can be stably installed through the support frame group, and the linkage wheel set can be stably installed through the equipment box when it is convenient to use, so that the linkage wheel set can be fixed on the angle valve and then used in a linkage manner, and when in use, it can be adjusted through the manual handwheel on the linkage wheel set, and automatic switch adjustment can also be achieved through the drive assembly, ensuring that it is more convenient to use and has the advantages of easy and flexible use and high operational safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0020] Figure 2 yes Figure 1 A partial cross-sectional view of the device shown;

[0021] Figure 3 It is a three-dimensional diagram of the supporting frame group, the equipment box and the linkage wheel set in the embodiment of the present invention;

[0022] Figure 4 yes Figure 3 a front view of the device shown;

[0023] Figure 5 is a three-dimensional diagram of the equipment box and the linkage wheel set in the embodiment of the present invention;

[0024] Figure 6 It is a schematic structural diagram of the coordination of the equipment box, the positioning shaft, the large gear and the driving assembly in the embodiment of the present invention.

[0025] In the figure: 1. liquefied gas cylinder; 11. bottle body; 12. angle valve; 2. protective cover; 21. main cover shell; 211. side groove; 22. annular top plate; 23. arc wrench; 3. support frame assembly; 301. frame top plate; 302. arc plate; 303. engaging bevel block; 4. equipment box; 41. vertical shell; 411. battery shell; 42. horizontal box; 43. box cover; 5. linkage wheel set; 51. positioning shaft; 52. large gear; 53. electric handwheel set; 54. manual handwheel; 6. drive assembly; 61. motor group; 62. drive gear; 63. transmission gear. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0028] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0029] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the devices or elements referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention. The directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0030] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" may include both "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0031] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0032] Reference Figure 1 , Figure 2 and Figure 3As shown, a liquefied gas cylinder 1 angle valve 12 intelligent switch state feedback control device comprises a liquefied gas cylinder 1, the liquefied gas cylinder 1 comprises a bottle body 11 and an angle valve 12, the angle valve 12 is installed at the center of the upper end surface of the bottle body 11, and the angle valve 12 is sealed and fixedly connected to the bottle body 11, the upper end surface of the bottle body 11 is installed with a protective cover 2 for blocking the angle valve 12, the protective cover 2 is fixedly connected to the bottle body 11, a support frame group 3 is installed in the protective cover 2, the support frame group 3 is fixedly connected to the protective cover 2 by snap-fitting, an equipment box 4 is installed on the support frame group 3, the equipment box 4 is fixedly connected to the support frame group 3, a linkage wheel set 5 connected to the angle valve 12 is installed at the head of the equipment box 4, the linkage wheel set 5 is rotatably connected to the equipment box 4, and a driving component 6 for driving the linkage wheel set 5 to rotate is installed in the equipment box 4. By designing the liquefied gas cylinder 1 into a structure in which the bottle body 11 and the angle valve 12 cooperate, the angle valve 12 can be used to block the gas outlet of the bottle body 11 during easy use, thereby ensuring that the gas supply can be safely controlled by the angle valve 12. At the same time, by installing a protective cover 2 on the upper end surface of the bottle body 11, it is convenient to block the angle valve 12 through the protective cover 2, thereby ensuring the safe use of the angle valve 12 and avoiding leakage due to bumps. By installing a support frame group 3 in the protective cover 2, it is ensured that the support frame group can be supported on the inner side of the protective cover 2 during installation, so that the protective cover 2 can be safely controlled by the angle valve 12. The bracket group is used to stably install the equipment box 4, so that the equipment box 4 can be stably fixed above the bottle body 11. At the same time, the linkage wheel set 5 is installed through the head of the equipment box 4 to ensure that it can be connected to the angle valve 12 through the linkage wheel set 5 when in use. After the linkage wheel set 5 is fixed on the angle valve 12, the linkage wheel set 5 can be used to drive the angle valve 12 to synchronously rotate the switch operation. By installing the driving component 6 in the equipment box 4, the driving component 6 can be used to drive the linkage wheel set 5 to rotate when in use, thereby realizing the purpose of automatically rotating the angle valve 12.

[0033] Reference Figure 5 and Figure 6 As shown, the protective cover 2 includes a main cover shell 21, an annular top plate 22 and an arc wrench 23. The main cover shell 21 is fixedly mounted on the upper end surface of the bottle body 11, and side grooves 211 are symmetrically provided on both sides of the main cover shell 21. The annular top plate 22 is arranged on the upper end surface of the main cover shell 21, and the arc wrench 23 is installed in the side grooves 211. The main cover shell 21, the annular top plate 22 and the arc wrench 23 are integrally formed. By designing the protective cover 2 as a structure in which the main cover shell 21, the annular top plate 22 and the arc wrench 23 cooperate, the main cover shell 21 can be used as a protective body when it is easy to use, and the annular top plate 22 is arranged on the upper end of the main cover shell 21 to ensure that the upper end of the protective cover 2 can be safely protected, and the arc wrench 23 is installed in the side grooves 211 on both sides of the main cover shell 21, so that it is convenient to better operate the gas cylinder when moving.

[0034] Reference Figure 4As shown, the support frame group 3 includes a top plate 301, an arc plate 302 and a snap-fitting bevel block 303 that cooperates with the side groove 211. The top plate 301 is fixedly installed on the upper end surface of the equipment box 4, the arc plate 302 is vertically installed on the lower end surface of the top plate 301, and the snap-fitting bevel block 303 is symmetrically arranged on the inner side surface of the arc plate 302, and the top plate 301, the arc plate 302 and the snap-fitting bevel block 303 are formed as one piece. By designing the support frame group 3 into a structure in which the top plate 301, the arc plate 302 and the snap-fitting bevel block 303 cooperate, it can be fixedly connected to the equipment box 4 through the top plate 301 when it is easy to use, and then it can be quickly snap-fitted on the protective cover 2 through the arc plate 302 and the snap-fitting bevel block 303 when it is installed, and it is also convenient to disassemble when not in use, which is very convenient to use.

[0035] Reference Figure 3 , Figure 4 and Figure 5 As shown, the equipment box 4 includes a vertical shell 41, a horizontal box 42 and a box cover 43. The vertical shell 41 is vertically mounted on the upper end surface of the frame top plate 301, and the vertical shell 41 is fixedly connected to the frame top plate 301 by bolts. A battery shell 411 is also provided in the vertical shell 41. The horizontal box 42 is mounted on the upper end surface of the vertical shell 41, and the horizontal box 42 is fixedly connected to the vertical shell 41. The box cover 43 is mounted on the upper end surface of the horizontal box 42, and the box cover 43 is fixedly connected to the horizontal box 42. By designing the equipment box 4 as a structure in which the vertical shell 41, the horizontal box 42 and the box cover 43 cooperate, the horizontal box 42 can be stably supported by the vertical shell 41 when it is easy to use, and the linkage wheel set 5 can be installed by the cooperation of the horizontal box 42 to ensure that the linkage wheel set 5 is stably rotated and installed in the equipment box 4. At the same time, by fixing the box cover 43 on the horizontal box 42, the horizontal box 42 can be sealed and shielded by the box cover 43 when it is convenient to use, and it is also convenient to open it directly when it needs to be repaired, which is very flexible to use.

[0036] Reference Figure 5 and Figure 6As shown, the linkage wheel set 5 includes a positioning shaft 51, a large gear 52, an electric handwheel set 53 and a manual handwheel 54. The positioning shaft 51 is rotatably installed in the horizontal box 42, and the head of the positioning shaft 51 extends from the upper end of the box cover 43. The large gear 52 is sleeved and fixed on the middle part of the positioning shaft 51, the electric handwheel set 53 is fixedly installed on the lower end surface of the positioning shaft 51, and the manual handwheel 54 is fixedly installed on the upper end surface of the positioning shaft 51. By designing the linkage wheel set 5 into a structure that cooperates with the positioning shaft 51, the large gear 52, the electric handwheel sleeve 53 and the manual handwheel 54, the positioning shaft 51 can be used to stably rotate and install it in the horizontal box 42 when it is easy to use, and then the large gear 52 is fixed on the positioning shaft 51 to ensure the cooperation connection with the drive component 6, and the electric handwheel sleeve 53 is fixedly installed at the lower end of the positioning shaft 51 to ensure that the electric handwheel sleeve 53 can be fixed on the head of the angle valve 12 when in use, and the manual handwheel 54 is fixedly installed on the head of the positioning shaft 51, so that the angle valve 12 can be manually rotated for convenient use.

[0037] Reference Figure 6 As shown, the drive assembly 6 includes a motor group 61, a drive gear 62 and a transmission gear 63. The motor group 61 is fixedly installed in the vertical housing 41, the drive gear 62 is fixedly installed on the output shaft of the motor group 61, and the transmission gear 63 is rotatably installed in the horizontal box 42, and the two sides of the transmission gear 63 are respectively meshed with the drive gear 62 and the large gear 52. The battery shell 411 is installed with a battery for supplying power to the motor group 61, and the control motherboard of the motor group 61 is also installed on the vertical housing 41. By designing the drive assembly 6 into a structure in which the motor group 61, the drive gear 62 and the transmission gear 63 cooperate, when it is easy to use, the drive gear 62 can be driven to rotate by the motor group 61, and then the transmission gear 63 can be driven to rotate synchronously by the drive gear 62, and then the large gear 52 can be driven to rotate by the transmission gear 63. The diameters of the drive gear 62, the transmission gear 63 and the large gear 52 increase successively, so that multi-stage transmission can be achieved, ensuring that the motor group 61 can rotate to open the angle valve 12 with a smaller torque, making the opening and closing operations easier.

[0038] In this embodiment, when in actual use, the support frame group 3 can be first placed into the protective cover 2 on the liquefied gas cylinder 1, and then the protective cover 2 can be fixed by the engaging bevel 303 on the arc plate 302, so that the electric handwheel sleeve 53 can be stably mounted on the head of the angle valve 12, so that the linkage wheel sleeve 5 and the angle valve 12 can be connected to each other during use. When manual adjustment is required, the linkage wheel sleeve 5 can be rotated by the manual handwheel 54, thereby driving the angle valve 12 to rotate. When automatic opening is required, the motor group 61 can be started to drive the drive gear 62 to rotate, and then the large gear 52 is driven to rotate by the transmission gear 63, thereby ensuring that the linkage wheel sleeve 5 is automatically rotated by the large gear 52.

[0039] The above are preferred implementation modes of the present invention. Those skilled in the art to which the present invention belongs can also change and modify the above implementation modes. Therefore, the present invention is not limited to the above specific implementation modes. Any obvious improvements, substitutions or modifications made by those skilled in the art on the basis of the present invention belong to the protection scope of the present invention.

Claims

1. An intelligent switch state feedback control device for an angle valve of a liquefied gas cylinder, comprising a liquefied gas cylinder (1), characterized in that: The liquefied gas cylinder (1) comprises a bottle body (11) and an angle valve (12), wherein the angle valve (12) is installed at the center of the upper end surface of the bottle body (11), and the angle valve (12) is sealed and fixedly connected to the bottle body (11), the upper end surface of the bottle body (11) is installed with a protective cover (2) for shielding the angle valve (12), the protective cover (2) is fixedly connected to the bottle body (11), a support frame group (3) is installed in the protective cover (2), the support frame group (3) is fixedly connected to the protective cover (2), an equipment box (4) is installed on the support frame group (3), the equipment box (4) is fixedly connected to the support frame group (3), a linkage wheel set (5) connected to the angle valve (12) is installed at the head of the equipment box (4), the linkage wheel set (5) is rotatably connected to the equipment box (4), and a driving component (6) for driving the linkage wheel set (5) to rotate is installed in the equipment box (4).

2. According to claim 1, the intelligent switch state feedback control device for the angle valve of a liquefied gas cylinder is characterized in that: The protective cover (2) comprises a main cover shell (21), an annular top plate (22) and an arc-shaped spanner (23); the main cover shell (21) is fixedly mounted on the upper end surface of the bottle body (11); and side grooves (211) are symmetrically provided on both sides of the main cover shell (21); the annular top plate (22) is arranged on the upper end surface of the main cover shell (21); the arc-shaped spanner (23) is installed in the side grooves (211); and the main cover shell (21), the annular top plate (22) and the arc-shaped spanner (23) are integrally formed.

3. According to claim 2, the intelligent switch state feedback control device for the angle valve of a liquefied gas cylinder is characterized in that: The support frame assembly (3) comprises a frame top plate (301), an arc-shaped plate (302) and a snap-fitting bevel block (303) matched with the side groove (211); the frame top plate (301) is fixedly mounted on the upper end surface of the equipment box (4); the arc-shaped plate (302) is vertically mounted on the lower end surface of the frame top plate (301); the snap-fitting bevel block (303) is symmetrically arranged on the inner side surface of the arc-shaped plate (302); and the frame top plate (301), the arc-shaped plate (302) and the snap-fitting bevel block (303) are integrally formed.

4. According to claim 3, the intelligent switch state feedback control device for the angle valve of a liquefied gas cylinder is characterized in that: The equipment box (4) comprises a vertical shell (41), a horizontal box (42) and a box cover (43); the vertical shell (41) is vertically mounted on the upper end surface of the frame top plate (301), and the vertical shell (41) is fixedly connected to the frame top plate (301) by bolts; a battery shell (411) is also arranged in the vertical shell (41); the horizontal box (42) is mounted on the upper end surface of the vertical shell (41), and the horizontal box (42) is fixedly connected to the vertical shell (41); the box cover (43) is mounted on the upper end surface of the horizontal box (42), and the box cover (43) is fixedly connected to the horizontal box (42).

5. According to claim 4, the intelligent switch state feedback control device for the angle valve of a liquefied gas cylinder is characterized in that: The linkage wheel set (5) comprises a positioning shaft (51), a large gear (52), an electric hand wheel set (53) and a manual hand wheel (54); the positioning shaft (51) is rotatably mounted in a horizontal box (42), and the head of the positioning shaft (51) extends out from the upper end of a box cover (43); the large gear (52) is sleeved and fixed on the middle part of the positioning shaft (51); the electric hand wheel set (53) is fixedly mounted on the lower end surface of the positioning shaft (51); and the manual hand wheel (54) is fixedly mounted on the upper end surface of the positioning shaft (51).

6. According to claim 5, the intelligent switch state feedback control device for the angle valve of a liquefied gas cylinder is characterized in that: The driving assembly (6) comprises a motor group (61), a driving gear (62) and a transmission gear (63); the motor group (61) is fixedly mounted in the vertical housing (41); the driving gear (62) is fixedly mounted on the output shaft of the motor group (61); the transmission gear (63) is rotatably mounted in the horizontal box (42); and two sides of the transmission gear (63) are respectively meshed with the driving gear (62) and the large gear (52).

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