Stainless steel ammonia stop valve

Abstract

The utility model discloses a stainless steel ammonia stop valve which comprises a threaded connection pipe for air inlet, a machine shell and a valve body, and a discharge port and a lead-in port are formed in the two ends of the valve body respectively. By installing the motor and the like, when the device is used, on one hand, a user can control the motor to start and drive the worm to move, and the adjusting rod can be driven to automatically rotate and move in cooperation with the transmission effect of the worm and the worm gear correspondingly arranged in the machine shell, so that automatic opening and closing control processing of the valve body is achieved; a user can grasp a manual operation piece to drive a worm to move so as to achieve manual opening and closing control operation, the device has the dual-purpose advantage, on the other hand, by means of the self-locking function of a worm and gear transmission mechanism, it can be guaranteed that the adjusting rod cannot be loosened in the using process after the using state of the adjusting rod is adjusted, and the using effect of the adjusting rod is improved. Therefore, the device achieves a good anti-loosening protection function.

Description

Technical Field

[0001] The utility model relates to the technical field of ammonia stop valves, in particular to a stainless steel ammonia stop valve. Background Art

[0002] Stainless steel ammonia stop valve is the most common type of ammonia stop valve. It is widely used in industries, physical and chemical experiments, medical and other fields. It can be used to achieve pipeline control. However, this type of stainless steel ammonia stop valve still has some defects during actual operation.

[0003] Stainless steel ammonia stop valves often directly manually rotate the operating handle to achieve the opening and closing control of the valve body. This structure is prone to loosening under the action of the introduced gas pressure and is not easy to achieve automatic control, which leads to low practicality of the device. In addition, its functionality is simple, it is not easy to meet the separation and filtration protection requirements for the introduced gas, and it does not have a gas filtration and barrier protection function. Utility Model Content

[0004] The utility model aims to provide a stainless steel ammonia stop valve to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stainless steel ammonia stop valve, comprising an air inlet threaded connection pipe, a casing and a valve body, wherein the two ends of the valve body are respectively provided with a discharge port and an inlet, the discharge port is provided with an air outlet threaded connection pipe, the inlet is provided with a filter purification cartridge, the interior of the filter purification cartridge is evenly provided with filter membranes, the air inlet threaded connection pipe is installed at one end of the filter purification cartridge, an adjusting rod is threadedly connected to the valve body, the casing is welded to the top of the valve body, a motor, a worm gear and a worm matching the adjusting rod are installed in sequence inside the casing, and a manual operating part is installed at one end of the worm.

[0006] The utility model is further configured as follows: flanges are welded on the filter purification cartridge, the air inlet threaded connection pipe, the air outlet threaded connection pipe, the discharge port and the inlet.

[0007] By adopting the above technical solution, the device optimizes its own structure. On the one hand, the user can control the motor to start and drive the worm to move, and then cooperate with the transmission effect of the worm and worm wheel correspondingly arranged inside the casing to drive the adjusting rod to rotate automatically, thereby realizing the automatic opening and closing control of the valve body. Alternatively, the user can also grasp the manual operating part to drive the worm to move to realize manual opening and closing control operation, which enables the device to achieve the advantage of dual use. On the other hand, by utilizing the self-locking effect of the worm gear transmission mechanism, after adjusting the use state of the adjusting rod, it can be ensured that the adjusting rod will not loosen during use, which enables the device to achieve better anti-loosening protection function.

[0008] The utility model is further configured as follows: the inner side wall of the flange is vulcanized and connected with a silicone rubber sealing layer.

[0009] By adopting the above technical solution, the sealing effect of the assembly connection of the valve body, the filter purification cartridge, the air inlet threaded connecting pipe and the air outlet threaded connecting pipe is improved.

[0010] The utility model is further configured as follows: the inner side wall of the valve body is provided with a nano ceramic wear-resistant coating.

[0011] By adopting the above technical solution, the anti-sticking and wear-resistant effect of the inner wall of the valve body is improved.

[0012] The utility model is further configured as follows: a stainless steel base layer is arranged inside the side wall of the valve body, and a thermal insulation rock wool inner layer and an aluminum alloy mesh reinforcement layer are fixed in sequence between the stainless steel base layer and the nano-ceramic wear-resistant coating.

[0013] By adopting the above technical solution, the structural strength and thermal insulation performance of the valve body side wall are improved.

[0014] The utility model is further configured as follows: the motor is installed at one end inside the casing, the worm is connected to the output end of the motor, the worm wheel is connected to one side of the worm, and the worm wheel and the adjusting rod are welded and connected.

[0015] By adopting the above technical solution, it is easy to realize automatic opening and closing control.

[0016] The utility model is further configured as follows: a reserved battery compartment is arranged at the top of the interior of the housing, and a battery and a controller are installed inside the reserved battery compartment.

[0017] By adopting the above technical solution, it is easy to realize self-power supply and control processing.

[0018] The utility model is further configured as follows: a second assembly block is installed on the manual operating member, a first assembly block penetrating the outer wall of the casing is welded to one end of the worm, a snap-fit ​​connection is formed between the second assembly block and the first assembly block, and a screw is arranged between the second assembly block and the first assembly block.

[0019] By adopting the above technical solution,

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] (1) The stainless steel ammonia stop valve is equipped with a motor and a worm, etc., so that the device optimizes its own structure. On the one hand, the user can control the motor to start and drive the worm to move, and then cooperate with the transmission effect of the worm and worm wheel correspondingly arranged inside the housing to drive the adjustment rod to automatically rotate and move, thereby realizing the automatic opening and closing control of the valve body. Alternatively, the user can also grasp the manual operating member to drive the worm to move to realize manual opening and closing control operation, which makes the device realize the dual-use advantage. On the other hand, the self-locking effect of the worm gear transmission mechanism can be used to ensure that the adjustment rod will not loosen during use after the use state of the adjustment rod is adjusted, so that the device realizes a better anti-loosening protection function;

[0022] (2) The stainless steel ammonia stop valve is equipped with a filter purification cartridge, etc., so that when the device is actually operated, on the one hand, by respectively installing a gas outlet threaded connection pipe and a gas inlet threaded connection pipe at both ends of the valve body, the device is easy to assemble with the corresponding working pipeline. On the other hand, by installing a filter purification cartridge at the inlet of the valve body, and the filter membrane is evenly arranged inside the filter purification cartridge, the device can be equipped with a gas filter barrier structure according to needs, so that the device can achieve separation and filtration protection for the introduced gas and enhance functionality. In addition, by utilizing the filter purification cartridge, the gas inlet threaded connection pipe, the gas outlet threaded connection pipe, the discharge port and the inlet flanges welded on them, the device can achieve the advantages of flexible assembly and easy maintenance.

[0023] (3) The stainless steel ammonia stop valve is installed with a valve body and an inner layer of thermal insulation rock wool, etc., so that when the device is used, on the one hand, a nano-ceramic wear-resistant coating is provided on the inner wall of the valve body to improve the anti-sticking and wear-resistant effect of the inner wall of the valve body; on the other hand, a stainless steel base layer is provided inside the side wall of the valve body, and an inner layer of thermal insulation rock wool and an aluminum alloy mesh reinforcement layer are fixed in sequence between the stainless steel base layer and the nano-ceramic wear-resistant coating, thereby improving the structural strength and thermal insulation performance of the side wall of the valve body. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0025] Figure 2 This is a schematic diagram of a partial cross-sectional structure of the casing of the utility model when viewed from above;

[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the filter purification cartridge of the utility model;

[0027] Figure 4 This is a front view structural diagram of the manual operating part of the utility model in a disassembled state;

[0028] Figure 5 It is a schematic diagram of the cross-sectional structure of the side wall of the valve body of the utility model.

[0029] In the figure: 1. threaded connection pipe for air outlet; 2. exhaust port; 3. flange; 4. filter purification cartridge; 5. threaded connection pipe for air inlet; 6. adjustment rod; 7. reserved battery compartment; 8. casing; 9. valve body; 10. worm; 11. motor; 12. worm gear; 13. first assembly block; 14. inlet; 15. filter membrane; 16. silicone rubber sealing layer; 17. manual operating part; 18. second assembly block; 19. nano-ceramic wear-resistant coating; 20. aluminum alloy mesh reinforcement layer; 21. thermal insulation rock wool inner layer; 22. stainless steel base layer. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-5 The utility model provides an embodiment: a stainless steel ammonia stop valve, including an air inlet threaded connection pipe 5, a casing 8 and a valve body 9, a discharge port 2 and an inlet 14 are respectively provided at both ends of the valve body 9, a gas outlet threaded connection pipe 1 is installed on the discharge port 2, a filter purification cartridge 4 is installed on the inlet 14, a filter membrane 15 is evenly arranged inside the filter purification cartridge 4, an air inlet threaded connection pipe 5 is installed at one end of the filter purification cartridge 4, an adjusting rod 6 is threadedly connected to the valve body 9, a casing 8 is welded to the top of the valve body 9, a motor 11, a worm gear 12 and a worm 10 matching the adjusting rod 6 are installed in sequence inside the casing 8, and a manual operating member 17 is installed at one end of the worm 10;

[0032] The filter purifier cartridge 4, the air inlet threaded connection pipe 5, the air outlet threaded connection pipe 1, the discharge port 2 and the inlet 14 are all welded with flanges 3, so that the filter purifier cartridge 4, the air inlet threaded connection pipe 5 and the air outlet threaded connection pipe 1 can be easily disassembled and replaced on the valve body 9;

[0033] The inner wall of the flange 3 is vulcanized with a silicone rubber sealing layer 16, which improves the sealing effect of the assembly connection between the valve body 9, the filter purification cartridge 4, the air inlet threaded connection pipe 5 and the air outlet threaded connection pipe 1;

[0034] The inner wall of the valve body 9 is provided with a nano-ceramic wear-resistant coating 19, which improves the anti-sticking and wear-resistant effect of the inner wall of the valve body 9;

[0035] A stainless steel base layer 22 is provided inside the side wall of the valve body 9, and a thermal insulation rock wool inner layer 21 and an aluminum alloy mesh reinforcement layer 20 are fixed in sequence between the stainless steel base layer 22 and the nano-ceramic wear-resistant coating 19, thereby improving the structural strength and thermal insulation performance of the side wall of the valve body 9;

[0036] The motor 11 is installed at one end of the housing 8, the worm 10 is connected to the output end of the motor 11, the worm gear 12 is connected to one side of the worm 10, and the worm gear 12 and the adjusting rod 6 are welded to facilitate automatic opening and closing control;

[0037] A reserved battery compartment 7 is provided at the top of the housing 8, and a battery and a controller are installed inside the reserved battery compartment 7, so that it is easy to realize self-power supply and control processing;

[0038] A second assembly block 18 is installed on the manual operating part 17, and a first assembly block 13 penetrating the outer wall of the casing 8 is welded to one end of the worm 10. The second assembly block 18 and the first assembly block 13 form a snap-fit ​​connection, and screws are provided between the second assembly block 18 and the first assembly block 13, so that the manual operating part 17 can be easily disassembled, replaced and maintained.

[0039] When the embodiment of the present application is in use: the battery and controller installed in the reserved battery compartment 7 realize the power supply and control functions. During actual operation, on the one hand, the user can start the motor 11 and drive the worm 10 to move, and then cooperate with the transmission effect of the worm 10 and the worm wheel 12 correspondingly arranged inside the casing 8, so as to drive the adjusting rod 6 to rotate automatically, thereby realizing the automatic opening and closing control processing of the valve body 9. Alternatively, the user can also grasp the manual operating member 17 to drive the worm 10 to move to realize the manual opening and closing control operation, which enables the device to achieve the dual-use advantage. On the other hand, by utilizing the self-locking effect of the worm gear transmission mechanism, after adjusting the use state of the adjusting rod 6, it can be ensured that the adjusting rod 6 will not loosen during use, which enables the device to achieve a better anti-loosening protection function. At the same time, on the one hand, by respectively installing the threaded connection pipe 1 for air outlet and the threaded connection pipe 5 for air inlet at both ends of the valve body 9, the device is easy to realize and the corresponding working pipeline. On the other hand, by installing a filter purification cartridge 4 at the inlet 14 of the valve body 9, and the inside of the filter purification cartridge 4 is evenly provided with a filter membrane 15, which allows the device to be equipped with a gas filtering barrier structure according to needs, so that the device can achieve separation and filtration protection for the introduced gas and enhance functionality, and by utilizing the filter purification cartridge 4, the air inlet threaded connection pipe 5, the air outlet threaded connection pipe 1, the discharge port 2 and the flange 3 welded on the inlet 14, the device achieves the advantages of flexible assembly and easy maintenance. In addition, on the one hand, by providing a nano-ceramic wear-resistant coating 19 on the inner side wall of the valve body 9, the anti-sticking and wear-resistant effect of the inner wall of the valve body 9 is improved. On the other hand, by providing a stainless steel base layer 22 inside the side wall of the valve body 9, and fixing an insulating rock wool inner layer 21 and an aluminum alloy mesh reinforcement layer 20 in sequence between the stainless steel base layer 22 and the nano-ceramic wear-resistant coating 19, the structural strength and thermal insulation performance of the side wall of the valve body 9 are improved.

Claims

1. Stainless steel ammonia stop valve, characterized by: The invention comprises an air intake threaded connection pipe (5), a casing (8) and a valve body (9), wherein the two ends of the valve body (9) are respectively provided with an outlet (2) and an inlet (14), the outlet (2) is provided with an air outlet threaded connection pipe (1), the inlet (14) is provided with a filter purification cartridge (4), the interior of the filter purification cartridge (4) is evenly provided with filter membranes (15), the air intake threaded connection pipe (5) is installed at one end of the filter purification cartridge (4), an adjusting rod (6) is threadedly connected to the valve body (9), the casing (8) is welded to the top of the valve body (9), a motor (11), a worm wheel (12) and a worm (10) matching the adjusting rod (6) are installed in sequence inside the casing (8), and a manual operating member (17) is installed at one end of the worm (10).

2. The stainless steel ammonia stop valve according to claim 1, characterized in that: The filter purification cartridge (4), the air inlet threaded connection pipe (5), the air outlet threaded connection pipe (1), the discharge port (2) and the inlet (14) are all welded with flanges (3).

3. The stainless steel ammonia stop valve according to claim 2, characterized in that: The inner side wall of the flange (3) is vulcanized and connected with a silicone rubber sealing layer (16).

4. The stainless steel ammonia stop valve according to claim 1, characterized in that: The inner side wall of the valve body (9) is provided with a nano-ceramic wear-resistant coating (19).

5. The stainless steel ammonia stop valve according to claim 4, characterized in that: A stainless steel base layer (22) is provided inside the side wall of the valve body (9), and a thermal insulation rock wool inner layer (21) and an aluminum alloy mesh reinforcement layer (20) are fixed in sequence between the stainless steel base layer (22) and the nano-ceramic wear-resistant coating (19).

6. The stainless steel ammonia stop valve according to claim 1, characterized in that: The motor (11) is installed at one end inside the housing (8), the worm (10) is connected to the output end of the motor (11), the worm wheel (12) is connected to one side of the worm (10), and the worm wheel (12) and the adjusting rod (6) are welded together.

7. The stainless steel ammonia stop valve according to claim 1, characterized in that: A reserved battery compartment (7) is provided at the top of the interior of the housing (8), and a battery and a controller are installed inside the reserved battery compartment (7).

8. The stainless steel ammonia stop valve according to claim 1, characterized in that: A second assembly block (18) is mounted on the manual operating member (17); a first assembly block (13) penetrating the outer wall of the housing (8) is welded to one end of the worm (10); a snap-fit ​​connection is formed between the second assembly block (18) and the first assembly block (13); and a screw is provided between the second assembly block (18) and the first assembly block (13).

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