Chlorine steel cylinder valve connecting device

Abstract

The utility model discloses a chlorine gas steel cylinder valve connecting device, which relates to the technical field of chlorine gas steel cylinder equipment, and comprises a chlorine gas cylinder valve body, one end of the chlorine gas cylinder valve body is provided with a cylinder valve assembly for outputting chlorine gas, the cylinder valve assembly comprises a connecting end, a communicating pipe and a piston rod, the communicating pipe is arranged at one end of the connecting end, and the piston rod is arranged at the other end of the connecting end. A threaded rod is arranged at the other end of the communicating pipe, the outer wall of the threaded rod is sleeved with a nut, a piston rod is installed on the inner wall of the nut, and the outer wall of the piston rod is sleeved with a first positioning block and a second positioning block. Through the arrangement of the first positioning block and the second positioning block, the sealing effect of the piston rod on gas in the ventilation cavity in the moving process is improved, the phenomenon of gas leakage of the cylinder valve assembly is greatly reduced, and through the arrangement of the nut and the piston rod, the piston rod can be conveniently moved to control the flow direction of the gas in the ventilation cavity.

Description

TECHNICAL FIELD

[0001] The utility model relates to chlorine steel cylinder equipment technical field, concretely is a chlorine steel cylinder valve connecting device. BACKGROUND

[0002] Chlorine steel cylinder is a kind of movable pressure container for storing and transporting chlorine, using the pressure resistance and sealing performance of steel cylinder, chlorine is filled into steel cylinder under certain pressure, so that it is stored in gaseous or liquid form, chlorine is gaseous at normal temperature and pressure, but it can be liquefied by pressurization, facilitating mass storage and transportation, when using, open bottle valve, chlorine in bottle flows out under the action of pressure through conduit, into the equipment or system that needs to use chlorine.

[0003] Among them, needle-shaped chlorine cylinder valve is a kind of valve specially used for controlling the inlet and outlet of chlorine in chlorine steel cylinder, by rotating handle to drive piston rod to move, when piston rod drives piston to move upwards, the gap between piston and valve seat increases, chlorine can flow out from steel cylinder through valve;When piston rod drives piston to move downwards, piston and valve seat are tightly attached, valve is closed, preventing chlorine from flowing out, thereby realizing the control of chlorine flow and on-off.

[0004] After chlorine steel cylinder is connected with needle-shaped chlorine cylinder valve, when using piston rod to control chlorine flow and on-off, there is a certain gap between piston rod and valve seat inner air passage, but the existing needle-shaped chlorine cylinder valve does not have better treatment for the gap between piston rod and valve seat, thereby bottle valve may appear the phenomenon of gas leakage. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims at providing a chlorine steel cylinder valve connecting device to solve the technical problems mentioned in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a chlorine steel cylinder valve connecting device, including chlorine cylinder valve body, the one end of chlorine cylinder valve body is installed with bottle valve subassembly that carries out the output to chlorine, the bottle valve subassembly includes connecting end, intercommunication pipe, piston rod, one end of connecting end is installed with intercommunication pipe, and the other end of intercommunication pipe is provided with threaded rod, the outer wall of threaded rod is equipped with nut, and the inner wall of nut is installed with piston rod, and the outer wall of piston rod is equipped with first positioning block, second positioning block, the inner wall of intercommunication pipe is provided with air passage, and the inner wall of air passage is equipped with piston rod.

[0007] By adopting the technical scheme, the effect of sealing the gas in the venting cavity during movement of the piston rod is effectively improved, the phenomenon of gas leakage of the bottle valve assembly is greatly reduced, the sealing property of the connecting device is improved, the screw cap and the piston rod are fixedly connected, the position of the piston rod is controlled by rotating the screw cap, the piston rod is moved to control the flow direction of the gas in the venting cavity, the practicality of the bottle valve assembly is improved, the staff is facilitated to operate, and the efficiency is improved, the outer wall of the connecting end is sleeved with the sealing ring, and the sealing ring is stepped, and the sealing property of the connecting interface is effectively improved.

[0008] The utility model further sets up, the screw rod inner wall is set up through hole, and the piston rod is movably sleeved in the through hole.

[0009] As preferred, the piston rod passes through the screw rod and communicates with the venting cavity in the inner wall of the connecting pipe, improving the practicality and flexibility of the device.

[0010] The utility model further sets up, the piston rod is located at the center point of the screw cap, and the piston rod is fixedly connected with the screw cap.

[0011] As preferred, the piston rod is moved by rotating the screw cap, and the staff is facilitated to open and close the connecting device.

[0012] The utility model further sets up, the outer wall of the screw rod is provided with external thread, the inner wall of the screw cap is provided with internal thread, and the screw rod and the screw cap are screwed.

[0013] As preferred, the screw cap is moved on the outer wall of the screw rod by rotating the screw cap, and the position of the piston rod is limited, and the end of the piston rod in contact with the staff's arm is hexagonal, which is also convenient for the staff to hold.

[0014] The utility model further sets up, the first positioning block is set up on the end of the piston rod close to the venting cavity, and the first positioning block is sawtooth-shaped.

[0015] As preferred, the sealing property of the connection between the venting cavity and the piston rod is effectively improved by the position of the first positioning block, and the phenomenon of gas leakage in the venting cavity is reduced.

[0016] The utility model further sets up, the fixed ring is installed on the end of the piston rod close to the venting cavity, and the fixed ring is attached to the first positioning block.

[0017] As preferred, the sealing property of the piston rod and the venting cavity when they are in contact is improved by the fixed ring.

[0018] The utility model further sets up, the inner wall of intercommunication pipe is close to the one end of ventilation cavity is provided with cavity, and installs second locating block in the cavity, and the second locating block is equipped with piston rod.

[0019] As preferred, the second locating block is located between the cavity and the through hole, improving the sealing of the piston rod in the intercommunication pipe during movement, further reducing the possibility of gas leakage, and avoiding waste of resources.

[0020] The utility model further sets up, the second locating block is stepped, and the second locating block is fixedly connected with the inner wall of intercommunication pipe.

[0021] As preferred, the second locating block is in contact with the outer wall of the fixing ring, preventing gas leakage while effectively limiting the position of the fixing ring.

[0022] The utility model further sets up, the outer wall of the connecting end is equipped with sealing ring, and the sealing ring is stepped, and the sealing ring is attached to the outer wall of the connecting end.

[0023] As preferred, the sealing of the connecting end is effectively improved, further reducing the phenomenon of gas leakage at the connecting end.

[0024] In summary, the utility model mainly has the following beneficial effects:

[0025] 1、 the utility model discloses a first locating block, the second locating block is set up, and the outer wall of piston rod is equipped with first locating block, second locating block respectively, and the first locating block, second locating block is close to the shape of different screw rod one end, and the effect is different, and then effectively improve the sealing effect of the gas in ventilation cavity in the movement of piston rod, greatly reduce the phenomenon that bottle valve assembly will appear gas leakage, improve the sealing of connecting device.

[0026] 2、 the utility model discloses the setting of screw cap, piston rod, screw cap, piston rod fixed connection, and the position of piston rod is controlled by rotating screw cap, and it is convenient to move piston rod and control the gas flow in ventilation cavity, improve the practicality of bottle valve assembly, also be convenient for staff operation and then improve the efficiency, and the outer wall of connecting end is equipped with sealing ring, and the sealing ring is stepped, and the sealing of the connecting interface is effectively improved. DRAWINGS

[0027] Figure 1 It is the side surface three-dimensional schematic view of the utility model;

[0028] Figure 2 It is bottle valve assembly internal structure schematic view of the utility model;

[0029] Figure 3The bottle valve assembly is connected with the chlorine bottle valve body, and the connection schematic view of the bottle valve assembly and the chlorine bottle valve body is shown in the utility model.

[0030] Figure 4 The A place enlarged schematic view of the utility model is shown in the utility model.

[0031] Figure 5 The B place enlarged schematic view of the utility model is shown in the utility model.

[0032] Mark explanation:

[0033] 1, chlorine bottle valve body; 2, bottle valve assembly; 20, connecting end; 21, sealing ring; 22, fixed ring; 23, connecting pipe; 24, threaded rod; 25, nut; 26, piston rod; 27, air cavity; 28, first positioning block; 29, second positioning block. Specific implementation

[0034] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used for explaining the utility model only, and cannot be understood as limiting the utility model.

[0035] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0036] First embodiment:

[0037] Please refer to Figures 1-5, including the chlorine bottle valve body 1, the chlorine bottle valve body 1 one end is installed to the bottle valve assembly 2 that carries out the output to chlorine, bottle valve assembly 2 includes connecting end 20, the communicating pipe 23, the piston rod 26, the connecting end 20 one end is installed to the communicating pipe 23, and the other end of communicating pipe 23 is provided with threaded rod 24, the outer wall of threaded rod 24 is provided with nut 25, and the inner wall of nut 25 is installed with piston rod 26, and the outer wall of piston rod 26 is provided with first locating block 28, second locating block 29, the inner wall of communicating pipe 23 is provided with ventilation cavity 27, and the inner wall of ventilation cavity 27 is provided with piston rod 26, by the setting of first locating block 28, second locating block 29, the outer wall of piston rod 26 is provided with first locating block 28, second locating block 29 respectively, and the shape of first locating block 28, second locating block 29 is different near threaded rod 24 one end, and the effect is different, thereby effectively improving the sealing effect of piston rod 26 to the gas in ventilation cavity 27 in the moving process, greatly reducing the gas leakage phenomenon of bottle valve assembly 2, improve the sealing of connecting device, by the setting of nut 25, piston rod 26, nut 25, piston rod 26 fixed connection, rotating nut 25 controls the position of piston rod 26, facilitates the movement of piston rod 26 to control the gas flow direction in ventilation cavity 27, improves the practicability of bottle valve assembly 2, also facilitates the staff operation and thereby improves the efficiency, second, the outer wall of connecting end 20 is provided with sealing ring 21, and the sealing ring 21 is stepped, effectively improve the sealing property of the connecting interface.

[0038] In the above embodiment, please refer to Figure 1 、 Figure 2 , the inner wall of threaded rod 24 is provided with through hole, and the through hole is movably provided with piston rod 26, which facilitates the piston rod 26 to pass through threaded rod 24 and communicate with the inner wall ventilation cavity 27 of communicating pipe 23, improve the practicability and flexibility of the device.

[0039] In the above embodiment, please refer to Figure 1 、 Figure 2 , the center point of piston rod 26 is located in nut 25, and piston rod 26 is fixedly connected with nut 25, by rotating nut 25 to drive piston rod 26 to move, thereby facilitating the staff to open and close the connecting device.

[0040] In the above embodiment, please refer to the figure Figure 1 、 Figure 2 , the outer wall of threaded rod 24 is provided with external thread, and the inner wall of nut 25 is provided with internal thread, and threaded rod 24 and nut 25 are screwed, rotating nut 25 makes nut 25 move on the outer wall of threaded rod 24, and the position of piston rod 26 is limited, second, the end of piston rod 26 in contact with the arm of the staff is hexagonal, also convenient for the staff to hold.

[0041] In the above embodiment, please refer to Figures 1-4 The first positioning block 28 is provided on the end of the piston rod 26 close to the air cavity 27, and the first positioning block 28 is sawtooth-shaped, and the position of the first positioning block 28 is arranged to effectively improve the sealing performance of the connection between the air cavity 27 and the piston rod 26, thereby reducing the phenomenon of gas leakage in the air cavity 27.

[0042] In the above embodiment, please refer to Figure 2 、 Figure 5 The inner wall of the connecting pipe 23 is provided with a cavity close to the air cavity 27, the second positioning block 29 is installed in the cavity, and the piston rod 26 is sleeved in the second positioning block 29, the second positioning block 29 is located between the cavity and the through hole, the sealing performance of the connecting pipe 23 during movement of the piston rod 26 is improved, the possibility of gas leakage is reduced again, and resource waste is avoided.

[0043] In the above embodiment, please refer to Figure 2 、 Figure 5 The second positioning block 29 is in a stepped shape, and the second positioning block 29 is fixedly connected with the inner wall of the connecting pipe 23, the second positioning block 29 is in contact with the outer wall of the fixed ring 22, and the position of the fixed ring 22 is effectively limited while preventing gas leakage.

[0044] In the above embodiment, please refer to Figure 2 The outer wall of the connecting end 20 is sleeved with the sealing ring 21, the sealing ring 21 is in a stepped shape, and the sealing ring 21 is in contact with the outer wall of the connecting end 20, thereby effectively improving the sealing performance near the connecting end 20, and reducing the phenomenon of gas leakage at the connecting end 20.

[0045] Second embodiment:

[0046] Please refer to Figure 2 The difference between the second embodiment and the first embodiment is that the fixed ring 22 is installed at one end of the piston rod 26 based on the first embodiment, so that the fixed ring 22 controls the position of the end of the piston rod 26 connected with the air cavity 27, and the sealing performance of the piston rod 26 and the air cavity 27 is improved by arranging the fixed ring 22.

[0047] When the utility model works:

[0048] When the chlorine cylinder valve body 1 needs to be connected with the bottle valve assembly 2 for use, first, one end of the connecting end 20 of the bottle valve assembly 2 is connected with the corresponding position of the chlorine cylinder valve body 1, and then the corresponding device is connected with the gas outlet of the bottle valve assembly 2, when the piston rod 26 drives the piston to move to one end of the nut 25, the gap between the piston and the air chamber 27 increases, and the chlorine can flow out from the cylinder through the valve, and secondly, the second positioning block 29 is located at the connecting position of the fixed ring 22 and the threaded rod 24, which improves the sealing performance, when the piston rod 26 drives the piston to move to one end of the connecting end 20, the piston is tightly attached to the inner wall of the air chamber 27, and the first positioning block 28 is located at the connecting position of the piston rod 26 and the air chamber 27, the valve is closed to prevent the chlorine from flowing out, so as to realize the control of the chlorine flow and the on-off control.

[0049] Further, the fixed ring 22 is arranged at one end of the piston rod 26 close to the air chamber 27, and the fixed ring 22 controls the position of the connecting position of the piston rod 26 and the air chamber 27, effectively improves the service life of the piston rod 26, and facilitates the position control of the piston rod 26 by the staff, and improves the practicability of the bottle valve assembly 2.

[0050] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A chlorine cylinder valve connection device comprising a chlorine cylinder valve body (1), characterized in that: One end of the chlorine cylinder valve body (1) is provided with a cylinder valve assembly (2) for outputting chlorine, the cylinder valve assembly (2) comprises a connecting end (20), a communication pipe (23) and a piston rod (26), one end of the connecting end (20) is provided with the communication pipe (23), the other end of the communication pipe (23) is provided with a threaded rod (24), the outer wall of the threaded rod (24) is sleeved with a nut (25), the inner wall of the nut (25) is provided with the piston rod (26), and the outer wall of the piston rod (26) is sleeved with a first positioning block (28) and a second positioning block (29), the inner wall of the communication pipe (23) is provided with a ventilation cavity (27), and the inner wall of the ventilation cavity (27) is sleeved with the piston rod (26).

2. A chlorine cylinder valve connection device according to claim 1, characterized in that: The threaded rod (24) is provided with a through hole in the inner wall, and the piston rod (26) is movably sleeved in the through hole.

3. A chlorine cylinder valve connection device according to claim 1, characterized in that: The piston rod (26) is located at the center point of the nut (25), and the piston rod (26) is fixedly connected with the nut (25).

4. A chlorine cylinder valve connection device according to claim 1, characterized in that: The outer wall of the threaded rod (24) is provided with external threads, and the inner wall of the nut (25) is provided with internal threads, and the threaded rod (24) and the nut (25) are threadedly connected.

5. A chlorine cylinder valve connection device according to claim 1, characterized in that: The first positioning block (28) is provided on one end of the piston rod (26) close to the ventilation cavity (27), and the first positioning block (28) is serrated.

6. A chlorine cylinder valve connection device according to claim 1, characterized in that: The fixed ring (22) is mounted on one end of the piston rod (26) close to the ventilation cavity (27), and the fixed ring (22) is attached to the first positioning block (28).

7. A chlorine cylinder valve connection device according to claim 1, characterized in that: The inner wall of the communication pipe (23) is provided with a cavity at one end close to the ventilation cavity (27), the second positioning block (29) is mounted in the cavity, and the piston rod (26) is sleeved in the second positioning block (29).

8. A chlorine cylinder valve connection device according to claim 1, characterized in that: The second positioning block (29) is in a stepped shape, and the second positioning block (29) is fixedly connected with the inner wall of the communication pipe (23).

9. A chlorine cylinder valve connection device according to claim 1, characterized in that: The outer wall of the connecting end (20) is sleeved with a sealing ring (21), the sealing ring (21) is in a stepped shape, and the sealing ring (21) is attached to the outer wall of the connecting end (20).

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