Special gas pipeline control valve

Abstract

The utility model relates to the technical field of pipeline control valves, in particular to a special gas pipeline control valve which comprises a control valve body and a special gas pipeline body, first rubber rings used for sealing are fixedly connected to the two ends of the control valve body respectively, and first sealing grooves are formed in the two ends of the control valve body respectively. According to the special gas pipeline control valve, the sealing performance of the whole special gas pipeline control valve can be improved through the embedded installation of the two rubber rings and the cooperation of the rubber sealing gasket at the embedded circular plate; then a fastening bolt, a positioning nut and a rubber block at a U-shaped limiting seat are used for being connected with the control valve and the special gas pipeline together, the stability of the special gas pipeline during control valve connection is guaranteed, a driving gear rotating rod rotates to drive a meshed driven gear to rotate slowly, and therefore a valve handle can be rotated and adjusted; therefore, the conveying amount of gas in the special gas pipeline can be conveniently and automatically controlled.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline control valves, in particular to a special gas pipeline control valve. Background Art

[0002] A pipeline control valve is an adjustable device used to change parameters such as the flow direction, flow rate, and pressure of the medium in the pipeline. The valves in the gas system are mainly used to control the flow and pressure of various gases to ensure the stability and reliability of the entire system. At the same time, the control valve can also control the delivery of gases in special gas pipelines.

[0003] The prior art discloses patent application number "CN202020487915.0", which is a control valve for a gas pipeline, including a rectangular hollow box body, with square connecting ports on the front and rear sides of the box body, and the square connecting ports are connected to the gas pipeline. The box body and the gas pipelines on the front and rear sides of the box body form a gas passage, and adopts an independent box structure with simple structure and easy installation.

[0004] The control valve can only be simply installed and fixed. Such a control valve is prone to shaking and falling off, making it impossible to use the control valve stably. At the same time, the connection between the control valve and the pipeline is not tight enough, which will also affect the sealing of the control valve during connection, which is not conducive to the use of the control valve. Utility Model Content

[0005] The utility model aims to provide a special gas pipeline control valve to solve the problems raised in the above background technology.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] A special gas pipeline control valve comprises a control valve body and a special gas pipeline body, both ends of the control valve body are fixedly connected with a first rubber ring for sealing, both ends of the control valve body are provided with a first sealing groove, an embedded circular plate is fixedly installed on the left end surface of the special gas pipeline body, a second rubber ring for sealing is fixedly connected to the left end surface of the embedded circular plate, a second sealing groove is provided on the left end surface of the embedded circular plate, and a rubber sealing pad is connected to the outer surface of the embedded circular plate;

[0008] The right end face of the special gas pipeline body is installed with an array of fastening bolts, the outer surface of the fastening bolts is threadedly connected with a positioning nut for fixing the fastening bolts, and U-shaped limit seats are installed on both sides of the special gas pipeline body, and the inner sides of the two U-shaped limit seats are respectively connected to two rubber blocks.

[0009] Preferably, a valve handle is installed on the upper end surface of the control valve body, and a clamping plate is clamped on the upper end surface of the valve handle. A driven gear is fixedly connected to the upper end surface of the clamping plate, and two plug rods for connecting the driven gear are slidably clamped on the lower end surface of the valve handle. The upper side of the plug rods passes through the valve handle and extends to the upper end surface of the driven gear, and the inside of the two plug rods are clamped with a plug plate.

[0010] Preferably, a reinforced side plate is fixedly installed on one side of the control valve body, and the upper end surface of the reinforced side plate is rotatably connected to a driving gear rotating rod, the driving gear rotating rod and the driven gear are meshed with each other, the lower end surface of the driving gear rotating rod passes through the reinforced side plate and extends to the lower end surface of the reinforced side plate, and the lower end surface of the driving gear rotating rod is fixedly connected to a servo motor through a motor mounting plate.

[0011] Preferably, the left side of the fastening bolt passes through the special gas pipeline body and extends to the left end face of the special gas pipeline body. The special gas pipeline body is located on the right side of the control valve body. The right end face of the first rubber ring is adapted and snap-fitted with the second sealing groove, and the left end face of the second rubber ring is adapted and snap-fitted with the first sealing groove.

[0012] Preferably, two No. 1 embedding grooves are provided on the right end face of the special gas pipeline body, the No. 1 embedding grooves are adapted to the rubber block, and the inner side surface of the rubber block is clamped with the right end face of the special gas pipeline body through the No. 1 embedding grooves.

[0013] Preferably, two No. 2 embedding grooves are provided on the inner side surface of the control valve body, the No. 2 embedding grooves are matched with the rubber block, and the inner side surface of the rubber block is snap-connected with the inner side surface of the control valve body through the No. 2 embedding grooves.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model can improve the sealing performance of the entire special gas pipeline control valve by embedding two rubber rings and then cooperating with the rubber sealing pad embedded in the circular plate. Then, the fastening bolts, positioning nuts and rubber blocks at the U-shaped limit seat are used to connect the control valve and the special gas pipeline together, so as to ensure the stability of the special gas pipeline control valve when connected and avoid the situation that it is easy to shake and fall off;

[0016] 2. The utility model drives the meshing driven gear to rotate slowly by rotating the active gear rotating rod, so that the valve handle can be rotated to adjust the flow rate of gas in the special gas pipeline, thereby facilitating the automatic control of the gas delivery volume and reducing the labor intensity of workers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the drawings required for use in the embodiments or the prior art description are briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This utility model Figure 1 A schematic diagram of the structure of the first rubber ring and the first sealing groove;

[0020] Figure 3 This utility model Figure 1 A schematic diagram of the structure of the first rubber ring and the second sealing groove;

[0021] Figure 4 This utility model Figure 1 Installation diagram of the middle U-shaped limit seat and rubber block;

[0022] Figure 5 This utility model Figure 1 The installation diagram of the driven gear and the driving gear rotating rod;

[0023] The reference numerals in the figures are as follows:

[0024] 1. Control valve body; 2. Special gas pipeline body; 3. First rubber ring; 4. First sealing groove; 5. Embedded round plate; 6. Second rubber ring; 7. Second sealing groove; 8. Rubber sealing pad; 9. Fastening bolt; 10. Positioning nut; 11. U-shaped limit seat; 12. Rubber block; 13. Valve handle; 14. Card plate; 15. Driven gear; 16. Insert rod; 17. Insert plate; 18. Reinforced side plate; 19. Driving gear rotating rod; 20. Servo motor; 21. No. 1 embedded groove; 22. No. 2 embedded groove. DETAILED DESCRIPTION

[0025] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0026] like Figures 1 to 5As shown, a special gas pipeline control valve comprises a control valve body 1 and a special gas pipeline body 2, both ends of the control valve body 1 are fixedly connected with a first rubber ring 3 for sealing, both ends of the control valve body 1 are provided with a first sealing groove 4, the left end surface of the special gas pipeline body 2 is fixedly installed with an embedded circular plate 5, the left end surface of the embedded circular plate 5 is fixedly connected with a second rubber ring 6 for sealing, the left end surface of the embedded circular plate 5 is provided with a second sealing groove 7, and the outer surface of the embedded circular plate 5 is connected with a rubber sealing pad 8, through the setting of the rubber sealing pad 8, the embedded circular plate 5 can be closely fitted to the control valve body 1 by using the rubber sealing pad 8, so that the sealing performance of the special gas pipeline body 2 and the control valve body 1 can be guaranteed to prevent gas leakage;

[0027] The right end face of the special gas pipeline body 2 is installed with an array-distributed fastening bolts 9, and the outer surface of the fastening bolts 9 is threadedly connected with a positioning nut 10 for fixing the fastening bolts 9. U-shaped limit seats 11 are installed on both sides of the special gas pipeline body 2, and the inner sides of the two U-shaped limit seats 11 are respectively connected to two rubber blocks 12.

[0028] A valve handle 13 is installed on the upper end surface of the control valve body 1, and a clamping plate 14 is clamped on the upper end surface of the valve handle 13. A driven gear 15 is fixedly connected to the upper end surface of the clamping plate 14. Through the setting of the clamping plate 14, the driven gear 15 can be preliminarily fixed on the valve handle 13 by using the clamping plate 14, so as to automatically operate the valve handle 13. Two plug rods 16 for connecting the driven gear 15 are slidably clamped on the lower end surface of the valve handle 13. The upper side of the plug rod 16 passes through the valve handle 13 and extends to the upper end surface of the driven gear 15. The inside of the two plug rods 16 is clamped with a plug plate 17. Through the installation and use of the plug rod 16 and the plug plate 17, the driven gear 15 can be fixed more stably and securely by using the two, which is convenient for the automatic operation of the valve handle 13, thereby facilitating the use of the entire special gas pipeline control valve.

[0029] A reinforcing side plate 18 is fixedly installed on one side of the control valve body 1, and the upper end surface of the reinforcing side plate 18 is rotatably connected to a driving gear rotating rod 19, the driving gear rotating rod 19 and the driven gear 15 are meshed with each other, the lower end surface of the driving gear rotating rod 19 penetrates the reinforcing side plate 18 and extends to the lower end surface of the reinforcing side plate 18, and the lower end surface of the driving gear rotating rod 19 is fixedly connected to a servo motor 20 through a motor mounting plate.

[0030] The left side of the fastening bolt 9 passes through the special gas pipeline body 2 and extends to the left end face of the special gas pipeline body 2. The special gas pipeline body 2 is located on the right side of the control valve body 1. The right end face of the first rubber ring 3 is adapted and snap-fitted with the second sealing groove 7. The left end face of the second rubber ring 6 is adapted and snap-fitted with the first sealing groove 4.

[0031] The right end face of the special gas pipeline body 2 is provided with two No. 1 embedding grooves 21 , which are matched with the rubber block 12 , and the inner side of the rubber block 12 is clamped with the right end face of the special gas pipeline body 2 through the No. 1 embedding grooves 21 .

[0032] The inner side surface of the control valve body 1 is provided with two second embedding grooves 22 , which are matched with the rubber block 12 , and the inner side surface of the rubber block 12 is clamped with the inner side surface of the control valve body 1 through the second embedding grooves 22 .

[0033] The working principle of a special gas pipeline control valve provided by the utility model is as follows:

[0034] By snapping the embedded circular plate 5 at the special gas pipeline main body 2 to the right side of the control valve main body 1, the second rubber ring 6 at the embedded circular plate 5 will be inserted into the first sealing groove 4 at the control valve main body 1, and the first rubber ring 3 at the control valve main body 1 will also be inserted into the second sealing groove 7 at the embedded circular plate 5, which is used for double sealing of the control valve and the special gas pipeline, and then the rubber sealing pad 8 at the embedded circular plate 5 can improve the sealing of the entire special gas pipeline control valve, and then the control valve main body 1 and the special gas pipeline main body 2 can be reinforced and connected together by fastening bolts 9 and positioning nuts 10, and then the two U-shaped limit seats 11 are snapped to the control valve and the special gas pipeline respectively, so that the rubber block 12 at the U-shaped limit seat 11 can be embedded in the No. 1 embedded groove 21 and the No. 2 embedded groove 22, so as to further fix the control valve and the special gas pipeline, ensure the stability of the special gas pipeline control valve when connected, and avoid it from shaking and falling off;

[0035] By clamping the clamping plate 14 onto the top of the valve handle 13, and then inserting the two plug rods 16 into the valve handle 13 and the driven gear 15, the plug plate 17 is then inserted into the inside of the two plug rods 16 at the same time to assemble the driven gear 15 at the fixed clamping plate 14, and then the output shaft of the servo motor 20 drives the active gear rotating rod 19 to rotate, so that the active gear rotating rod 19 will drive the meshing driven gear 15 to rotate slowly and rotate the valve handle 13, thereby facilitating the automated control of the gas delivery volume in the special gas pipeline and reducing the labor intensity of workers.

[0036] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A special gas pipeline control valve, comprising a control valve body (1) and a special gas pipeline body (2), characterized in that: Both ends of the control valve body (1) are fixedly connected with a first rubber ring (3) for sealing, and both ends of the control valve body (1) are provided with a first sealing groove (4), the left end surface of the special gas pipeline body (2) is fixedly installed with an embedded circular plate (5), the left end surface of the embedded circular plate (5) is fixedly connected with a second rubber ring (6) for sealing, the left end surface of the embedded circular plate (5) is provided with a second sealing groove (7), and the outer surface of the embedded circular plate (5) is connected with a rubber sealing pad (8); The right end surface of the special gas pipeline body (2) is installed with an array of fastening bolts (9), and the outer surface of the fastening bolts (9) is threadedly connected with a positioning nut (10) for fixing the fastening bolts (9). U-shaped limit seats (11) are installed on both sides of the special gas pipeline body (2), and the inner sides of the two U-shaped limit seats (11) are respectively connected to two rubber blocks (12).

2. A special gas pipeline control valve according to claim 1, characterized in that: A valve handle (13) is mounted on the upper end surface of the control valve body (1), a clamping plate (14) is clamped on the upper end surface of the valve handle (13), a driven gear (15) is fixedly connected to the upper end surface of the clamping plate (14), two plug rods (16) for connecting the driven gear (15) are slidably clamped on the lower end surface of the valve handle (13), the upper side of the plug rods (16) passes through the valve handle (13) and extends to the upper end surface of the driven gear (15), and a plug plate (17) is clamped inside the two plug rods (16).

3. A special gas pipeline control valve according to claim 1, characterized in that: A reinforcing side plate (18) is fixedly mounted on one side of the control valve body (1), and a driving gear rotating rod (19) is rotatably connected to the upper end surface of the reinforcing side plate (18), and the driving gear rotating rod (19) and the driven gear (15) are meshed with each other, and the lower end surface of the driving gear rotating rod (19) penetrates the reinforcing side plate (18) and extends to the lower end surface of the reinforcing side plate (18), and the lower end surface of the driving gear rotating rod (19) is fixedly connected to a servo motor (20) via a motor mounting plate.

4. A special gas pipeline control valve according to claim 1, characterized in that: The left side of the fastening bolt (9) passes through the special gas pipeline body (2) and extends to the left end surface of the special gas pipeline body (2); the special gas pipeline body (2) is located on the right side of the control valve body (1); the right end surface of the first rubber ring (3) is adapted to be snap-fitted with the second sealing groove (7); and the left end surface of the second rubber ring (6) is adapted to be snap-fitted with the first sealing groove (4).

5. A special gas pipeline control valve according to claim 1, characterized in that: The right end face of the special gas pipeline body (2) is provided with two No. 1 embedding grooves (21), the No. 1 embedding grooves (21) are adapted to the rubber block (12), and the inner side surface of the rubber block (12) is clamped with the right end face of the special gas pipeline body (2) via the No. 1 embedding grooves (21).

6. A special gas pipeline control valve according to claim 1, characterized in that: The inner side surface of the control valve body (1) is provided with two No. 2 embedding grooves (22), the No. 2 embedding grooves (22) are adapted to the rubber block (12), and the inner side surface of the rubber block (12) is clamped with the inner side surface of the control valve body (1) via the No. 2 embedding grooves (22).

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