Pressure-controlled nitrogen charging device

Abstract

The utility model relates to the technical field of nitrogen charging, in particular to a pressure control nitrogen charging device which comprises a supporting seat, a storage bottle is arranged on the upper surface of the supporting seat, a pressure control mechanism is arranged on one side of the supporting seat, and a conveying mechanism used for conveying gas in the storage bottle into the pressure control mechanism is arranged in the supporting seat. And the conveying mechanism comprises a protection box fixedly connected to the interior of the supporting seat, a gas conveying cylinder is fixedly connected to the upper surface of the protection box, and a gas outlet cylinder is arranged on one side of the gas conveying cylinder. Nitrogen enters the pressure control mechanism through the air outlet cylinder, so that uniform conveying of the nitrogen is achieved, a threaded rod is rotated on the surface of the pressure control cylinder, the threaded rod moves to drive a stop block to move, at the moment, the moving track of a stop ball can be limited, the pressure in the nitrogen conveying process is adjusted, and the pressure control effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen filling technical field, concretely is a kind of pressure-controlled nitrogen filling device. BACKGROUND

[0002] As the key medium in industrial production, nitrogen is widely used in electronic, medical, chemical, energy and other fields, and its delivery pressure stability directly affects the performance and safety of equipment. The nitrogen filling device is a device that, in the use of powder or injection container, needs to fill nitrogen into the container to discharge other mixed gases in the container in order to maintain the efficacy of the drug, and the change of drug grade is alleviated by the inertness of nitrogen, so as to achieve the effect of improving the stability of the drug, especially in the production process.

[0003] The existing patent number CN201320762186.5, the public name is a kind of new nitrogen filling equipment, including nitrogen generator, nitrogen generator is communicated with nitrogen filling head by conveying pipe, and control valve is arranged on conveying pipe, nitrogen filling head is tubular, the end of nitrogen filling head is provided with sealing, and at least one nitrogen filling port is provided on the wall of nitrogen filling head, and cover is provided at nitrogen filling port, spring is arranged in nitrogen filling port, one end of spring is connected with inner wall of nitrogen filling port, the other end of spring is connected with inner side wall of cover;The nitrogen filling equipment can effectively fill nitrogen, and prevent powder from being sucked into the nitrogen filling head.

[0004] The above-mentioned new nitrogen filling equipment can effectively fill nitrogen, and effectively prevent powder from being sucked into the nitrogen filling head by cover, but due to the lack of pressure control measures, nitrogen overflow or supply interruption may occur under abnormal working conditions. UTILITY MODEL CONTENT

[0005] In order to make up for the deficiencies of the prior art, the utility model provides a pressure-controlled nitrogen filling device to solve the problems raised in the background art.

[0006] The technical scheme adopted by the utility model to solve its technical problems is:

[0007] A pressure-controlled nitrogen filling device, comprising a support seat, a storage bottle is provided on the upper surface of the support seat, a pressure control mechanism is provided on one side of the support seat, a conveying mechanism for conveying the gas inside the storage bottle to the inside of the pressure control mechanism is arranged in the inside of the support seat;

[0008] The conveying mechanism comprises a protection box fixedly connected to the inside of the support seat, a gas conveying cylinder is fixedly connected to the upper surface of the protection box, a gas outlet cylinder is provided on one side of the gas conveying cylinder, a gas inlet cylinder is provided on the top of the gas conveying cylinder, and a gas conveying fan blade is rotatably connected to the inside of the gas conveying cylinder;

[0009] The pressure control mechanism includes a pressure control seat fixedly connected to one side of the support seat, a plurality of pressure control cylinders are arranged on the upper surface of the pressure control seat, a first gas conveying pipe is arranged on the inner side of the pressure control seat, one end of the first gas conveying pipe is in communication with the bottom of one pressure control cylinder, a blocking ball is arranged in the pressure control cylinder, a threaded rod is threadedly connected to the surface of the pressure control cylinder, a blocking block is fixedly connected to the bottom of the threaded rod, a plurality of the pressure control cylinders are in communication through a second gas conveying pipe, a flow sensor is arranged on the surface of one pressure control cylinder, a third gas conveying pipe is arranged on the outer side of the flow sensor, and an inflation head is arranged on one end of the outer side of the third gas conveying pipe.

[0010] Preferably, a servo motor is arranged in the protection box, and the output shaft of the servo motor is fixedly connected with the gas conveying fan blade.

[0011] Preferably, a connecting pipe is arranged on one end of the outer side of the gas outlet cylinder, and the connecting pipe is in communication with the first gas conveying pipe.

[0012] Preferably, a connecting plate is arranged above the pressure control cylinder, and a plurality of threaded rods are rotatably connected to the surface of the connecting plate.

[0013] Preferably, an adjusting knob is rotatably connected to the surface of the connecting plate, and the adjusting knob is fixedly connected with one threaded rod.

[0014] Preferably, a belt pulley is arranged on the surface of the threaded rod, and adjacent two belt pulleys are rotatably connected through a transmission belt.

[0015] Preferably, an auxiliary plate is arranged on the surface of the inflation head, and the upper side and the lower side of the auxiliary plate are both arc-shaped.

[0016] Compared with the prior art, the pressure control nitrogen filling device has the following beneficial effects:

[0017] Firstly, the nitrogen gas in the storage bottle is introduced into the inside of the gas conveying cylinder through the gas inlet cylinder and into the inside of the pressure control mechanism through the gas outlet cylinder by rotating the gas conveying fan blade, so that the nitrogen gas is uniformly conveyed.

[0018] Secondly, the movement track of the blocking ball can be limited by rotating the threaded rod on the surface of the pressure control cylinder and moving the blocking block driven by the threaded rod, so that the pressure in the nitrogen conveying process is adjusted, and the pressure control effect is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structural schematic view of the utility model;

[0020] Figure 2 It is a structural schematic view of the utility model;

[0021] Figure 3The utility model discloses an explosion chart of the conveying mechanism in the structure.

[0022] Figure 4 The utility model discloses a sectional view of the pressure control mechanism in the structure.

[0023] Wherein: 1, support seat, 2, storage bottle, 3, conveying mechanism, 301, protection box, 302, gas conveying cylinder, 303, gas outlet cylinder, 304, gas inlet cylinder, 305, gas conveying fan blade, 306, servo motor, 307, connecting pipe, 4, pressure control mechanism, 401, pressure control seat, 402, pressure control cylinder, 403, first gas pipe, 404, blocking ball, 405, threaded rod, 406, blocking block, 407, connecting plate, 408, adjusting knob, 409, belt pulley, 410, transmission belt, 411, second gas pipe, 412, auxiliary plate, 413, flow sensor, 414, third gas pipe, 415, inflation head. DETAILED DESCRIPTION

[0024] The utility model discloses a further detailed description in the specific implementation of the utility model below with the drawings.

[0025] The pressure control nitrogen filling device in the specific implementation, please refer to Figures 1-4 , including: support seat 1, the upper surface of support seat 1 is equipped with storage bottle 2, one side of support seat 1 is equipped with pressure control mechanism 4, the inside of support seat 1 is provided with conveying mechanism 3 for conveying the gas in storage bottle 2 to the inside of pressure control mechanism 4, conveying mechanism 3 includes the protection box 301 of fixed connection in the inside of support seat 1, the upper surface of protection box 301 is fixedly connected with gas conveying cylinder 302, one side of gas conveying cylinder 302 is equipped with gas outlet cylinder 303, the top of gas conveying cylinder 302 is equipped with gas inlet cylinder 304, the inside of gas conveying cylinder 302 is rotatably connected with gas conveying fan blade 305, pressure control mechanism 4 includes the pressure control seat 401 of fixed connection on one side of support seat 1, the upper surface of pressure control seat 401 is equipped with a plurality of pressure control cylinders 402, the inside of pressure control seat 401 is equipped with first gas pipe 403, and one end of first gas pipe 403 is communicated with the bottom of one pressure control cylinder 402, the inside of pressure control cylinder 402 is equipped with blocking ball 404, the surface of pressure control cylinder 402 is threadedly connected with threaded rod 405, the bottom of threaded rod 405 is fixedly connected with blocking block 406, a plurality of pressure control cylinders 402 are communicated through second gas pipe 411, the surface of one pressure control cylinder 402 is installed with flow sensor 413, the surface of flow sensor 413 outside is equipped with third gas pipe 414, and the one end of third gas pipe 414 outside is provided with inflation head 415.

[0026] By the above technical scheme, when the gas conveying fan blade 305 rotates, the nitrogen in the storage bottle 2 enters the inside of the gas conveying cylinder 302 through the gas inlet cylinder 304, and enters the inside of the pressure control mechanism 4 through the gas outlet cylinder 303, so as to realize uniform conveying of the nitrogen. By rotating the threaded rod 405 on the surface of the pressure control cylinder 402, the threaded rod 405 moves to drive the blocking block 406 to move, so as to limit the movement track of the blocking ball 404, thereby adjusting the pressure of the nitrogen conveying process, and achieving the pressure control effect.

[0027] The inside of the protection box 301 is provided with a servo motor 306, and the output shaft of the servo motor 306 is fixedly connected with the gas conveying fan blade 305. By arranging the servo motor 306, the servo motor 306 drives the output shaft to drive the gas conveying fan blade 305 to rotate.

[0028] One end of the gas outlet cylinder 303 is provided with a connecting pipe 307, and the connecting pipe 307 is in communication with the first gas conveying pipe 403. By arranging the connecting pipe 307, the gas in the gas outlet cylinder 303 can be conveyed into the inside of the first gas conveying pipe 403.

[0029] The upper side of the pressure control cylinder 402 is provided with a connecting plate 407, and a plurality of threaded rods 405 are rotatably connected to the surface of the connecting plate 407. The surface of the connecting plate 407 is rotatably connected with an adjusting knob 408, and the adjusting knob 408 is fixedly connected with one threaded rod 405. The surface of the threaded rod 405 is provided with a belt pulley 409, and adjacent two belt pulleys 409 are rotatably connected through a transmission belt 410. By rotating the adjusting knob 408 on the surface of the connecting plate 407, the adjusting knob 408 drives one threaded rod 405 to rotate, and under the action of the belt pulley 409 and the transmission belt 410, the two threaded rods 405 rotate, so as to realize synchronous movement of the plurality of threaded rods 405.

[0030] The surface of the inflation head 415 is provided with an auxiliary plate 412, and the upper and lower sides of the auxiliary plate 412 are arc-shaped. By arranging the auxiliary plate 412, the nitrogen filling position of the inflation head 415 can be limited.

[0031] The working principle is as follows:

[0032] Through the technical scheme, the servo motor 306 starts its output shaft to drive the gas conveying fan blade 305 to rotate, at this time, the nitrogen gas in the storage bottle 2 enters the inside of the gas conveying cylinder 302 through the gas inlet cylinder 304, and enters the inside of the first gas conveying pipe 403 through the gas outlet cylinder 303 and the connecting pipe 307, then the gas enters the inside of the pressure control cylinder 402, the adjusting knob 408 drives a threaded rod 405 to rotate by rotating the surface of the connecting plate 407, at this time, the two sides of the threaded rod 405 are driven to rotate under the action of the belt pulley 409 and the transmission belt 410, so as to realize the synchronous movement of the plurality of threaded rods 405, the movement of the blocking block 406 is driven by the movement of the threaded rod 405, at this time, the movement track of the blocking ball 404 can be limited, so as to adjust the pressure of the nitrogen gas conveying process, so as to achieve the pressure control effect, the nitrogen gas is released through the third gas conveying pipe 414 and the inflation head 415.

[0033] It should be noted that although the specific embodiments of the present application have been shown and described, those skilled in the art can understand that various changes, modifications, replacements and variations can be made to these specific embodiments without departing from the principles and spirits thereof, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A pressure-controlled nitrogen charging device, characterized in that, include: Support base (1), storage bottle (2) is provided on the upper surface of the support base (1), pressure control mechanism (4) is provided on one side of the support base (1), and a conveying mechanism (3) is provided inside the support base (1) for conveying the gas inside the storage bottle (2) to the pressure control mechanism (4). The conveying mechanism (3) includes a protective box (301) fixedly connected inside the support base (1). An air delivery cylinder (302) is fixedly connected to the upper surface of the protective box (301). An air outlet cylinder (303) is provided on one side of the air delivery cylinder (302). An air inlet cylinder (304) is provided at the top of the air delivery cylinder (302). An air delivery fan blade (305) is rotatably connected inside the air delivery cylinder (302). The pressure control mechanism (4) includes a pressure control seat (401) fixedly connected to one side of the support seat (1). The upper surface of the pressure control seat (401) is provided with a plurality of pressure control cylinders (402). The inner side of the pressure control seat (401) is provided with a first air supply pipe (403), and one end of the first air supply pipe (403) is connected to the bottom of a pressure control cylinder (402). The inside of the pressure control cylinder (402) is provided with a blocking ball (404). The surface of the pressure control cylinder (402) is threadedly connected with a threaded rod (405). The bottom of the threaded rod (405) is fixedly connected with a blocking block (406). The plurality of pressure control cylinders (402) are connected to each other through a second air supply pipe (411). A flow sensor (413) is installed on the surface of one of the pressure control cylinders (402). The outer surface of the flow sensor (413) is provided with a third air supply pipe (414). One end of the outer side of the third air supply pipe (414) is provided with an inflation head (415).

2. The pressure-controlled nitrogen charging device according to claim 1, characterized in that: The protective box (301) is equipped with a servo motor (306), and the output shaft of the servo motor (306) is fixedly connected to the air delivery fan blade (305).

3. The pressure-controlled nitrogen charging device according to claim 1, characterized in that: One end of the outer side of the air outlet (303) is provided with a connecting pipe (307), and the connecting pipe (307) is connected to the first air supply pipe (403).

4. The pressure-controlled nitrogen charging device according to claim 1, characterized in that: A connecting plate (407) is provided above the pressure control cylinder (402), and multiple threaded rods (405) are rotatably connected to the surface of the connecting plate (407).

5. A pressure-controlled nitrogen charging device according to claim 4, characterized in that: The surface of the connecting plate (407) is rotatably connected to an adjustment knob (408), and the adjustment knob (408) is fixedly connected to a threaded rod (405).

6. The pressure-controlled nitrogen charging device according to claim 1, characterized in that: The surface of the threaded rod (405) is provided with pulleys (409), and two adjacent pulleys (409) are rotatably connected by a transmission belt (410).

7. The pressure-controlled nitrogen charging device according to claim 1, characterized in that: The surface of the inflation head (415) is fitted with an auxiliary plate (412), and both the upper and lower sides of the auxiliary plate (412) are arc-shaped.

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