Nitrogen balancer

Abstract

The utility model relates to a nitrogen balancer. A bottleneck connecting pipe for discharging nitrogen in a nitrogen cylinder is fixedly mounted at the top end of the nitrogen cylinder; a threaded pipe used for being in threaded connection with the balancer is arranged at the rear end of the pressure gauge, a second protection assembly is arranged on the side, away from the pressure gauge, of the first protection assembly, and a driving assembly used for controlling the second protection assembly to move is arranged in the first protection assembly. When the pressure gauge needs to be protected and limited, the two first clamping hoop sleeves can be arranged on the bottleneck connecting pipe in a sleeving mode, and the two first clamping hoop sleeves are arranged on the bottleneck connecting pipe; meanwhile, the two second clamping hoop sleeves can be arranged on the pressure gauge in a sleeving mode, the two second clamping hoop sleeves are installed on the pressure gauge, finally, the two third clamping hoop sleeves are arranged on the threaded pipe in a sleeving mode, and the two third clamping hoop sleeves are installed on the threaded pipe; fixing can be conducted according to the lengths of different threaded pipes by moving the sliding blocks in the sliding grooves; therefore, the connection stability of the pressure gauge and the nitrogen cylinder is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of balancer especially is concerned with a nitrogen gas balancer. BACKGROUND

[0002] Nitrogen cylinder, carbon dioxide cylinder, oxygen cylinder, argon cylinder and so on are all steel cylinders made of steel plate, as long as not exceeding the specified pressure, can contain various non-corrosive gases. Generally black, font color is yellow, and nitrogen cylinder needs to use balancer to stabilize the use of nitrogen cylinder when working, and the pressure gauge in the nitrogen cylinder balancer displays the pressure in the nitrogen cylinder. For example, the nitrogen cylinder in the nitrogen gas balancing system shown in Chinese patent application No. CN202121692645.8, the upper end of the nitrogen cylinder is rotatably provided with a balancing piece, a groove is formed in the inner wall of the balancing piece, and the side wall of the balancing piece is provided with a symmetrical clamping groove, the upper end of the balancing piece is rotatably provided with a butt joint piece, the bottom of the butt joint piece is fixedly provided with a butt joint pipe, the inner wall of the butt joint pipe is fixedly provided with a clamping block corresponding to the clamping groove, and the bottom of the butt joint piece is detachably provided with an oil pipe, the oil pipe penetrates the groove and extends into the interior of the nitrogen cylinder.

[0003] However, when detecting the pressure in the nitrogen cylinder by using the pressure gauge in the nitrogen cylinder balancer, since the pressure gauge is installed on the nitrogen cylinder by screwing, and lacks a protective structure for the pressure gauge, the pressure gauge is prone to loosening or even falling off due to the jolt of the nitrogen cylinder during transportation. UTILITY MODEL CONTENTS

[0004] To solve the problem of lacking a protective structure for the pressure gauge, which causes the pressure gauge to loosen or even fall off due to the jolt of the nitrogen cylinder during transportation, the utility model provides the following technical scheme:

[0005] A nitrogen gas balancer, comprising a balancer arranged at the top end of a nitrogen cylinder, a pressure gauge for detecting the pressure of the nitrogen cylinder arranged on the balancer, and a protective device for protecting and limiting the pressure gauge arranged on the balancer.

[0006] A neck connecting pipe for discharging nitrogen in the nitrogen cylinder is fixedly installed at the top end of the nitrogen cylinder.

[0007] The protective device comprises a protective assembly one for protecting and limiting the pressure gauge, and the protective assembly one has two, a protective assembly two is arranged on the side of the protective assembly one away from the pressure gauge, and a driving assembly for controlling the movement of the protective assembly two is arranged in the protective assembly one.

[0008] Further, the rear end of the pressure gauge is provided with a threaded pipe for threaded connection with a balancer, the disc body of the pressure gauge is provided with a pointer for rotation, and the disc body of the pressure gauge is provided with a plurality of scale lines.

[0009] Further, the protection assembly one comprises a clamp sleeve one sleeved on the bottle neck connecting pipe, and the clamp sleeve one is fixedly installed with a connecting plate at the end away from the bottle neck connecting pipe, and the left end of the connecting plate is fixedly installed with a clamp sleeve two for fixing the disc body of the pressure gauge.

[0010] Further, the plate body of the connecting plate is provided with a sliding groove for movement of the driving assembly, the groove is provided with limiting grooves at the upper and lower ends for limiting the driving assembly, and the top end of the connecting plate is provided with a locking hole for locking the driving assembly.

[0011] Further, the protection assembly two comprises a clamp sleeve three sleeved on the threaded pipe, and the clamp sleeve three is fixedly installed with a connecting rod at the end away from the threaded pipe for connection with the driving assembly.

[0012] Further, the driving assembly comprises a sliding block provided in the sliding groove for forward and backward movement, and the upper and lower ends of the sliding block are fixedly installed with limiting plates for sliding along the limiting grooves.

[0013] Further, the left end of the bottle neck connecting pipe is provided with a knob for keeping the nitrogen cylinder in communication with the bottle neck connecting pipe, and the upper portion of the bottle neck connecting pipe is provided with a handle for outputting the nitrogen in the bottle neck connecting pipe.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] By setting the bottle neck connecting pipe, the pressure gauge and the protection device, when the pressure gauge needs to be protected and limited, two clamp sleeve ones can be sleeved on the bottle neck connecting pipe, and the threaded connection between the connecting lug plates of the two clamp sleeve ones and the nuts can be used to install the two clamp sleeve ones on the bottle neck connecting pipe; meanwhile, two clamp sleeve twos can be sleeved on the pressure gauge, and the threaded connection between the connecting lug plates of the two clamp sleeve twos and the nuts can be used to install the two clamp sleeve twos on the pressure gauge and protect and limit the pressure gauge, and finally two clamp sleeve threes can be sleeved on the threaded pipe, and the threaded connection between the connecting lug plates of the two clamp sleeve threes and the nuts can be used to install the two clamp sleeve threes on the threaded pipe; and the movement of the sliding block in the sliding groove can be used to fix the length of the threaded pipe; and the pressure gauge is prevented from being collided and falling off, thereby improving the connection stability of the pressure gauge and the nitrogen cylinder. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1It is the whole structure schematic view of the utility model.

[0017] Figure 2 It is the front view of the utility model.

[0018] Figure 3 It is the pressure gauge and the protection device cooperation view of the utility model.

[0019] Figure 4 It is the protection device structure schematic view of the utility model.

[0020] In the drawing, the component name list represented by each figure mark is as follows:

[0021] 100-nitrogen cylinder;

[0022] 200-balance, 201-handle, 202-knob, 203-bottle neck connecting pipe;

[0023] 300-pressure gauge, 301-needle, 302-scale line, 303-threaded pipe;

[0024] 400-protection device, 410-protection assembly one, 411-hoop sleeve one, 412-connection plate, 413-hoop sleeve two, 414-slotted guide, 415-limiting slot, 416-locking hole, 420-protection assembly two, 421-hoop sleeve three, 422-connection rod, 430-driving assembly, 431-sliding block, 432-limiting plate. DETAILED DESCRIPTION

[0025] The preferred specific embodiment for realizing the utility model is described in detail below, and clear and complete description is made in conjunction with the drawings.

[0026] Please refer to Figures 1-4 The utility model provides a nitrogen balance.

[0027] Including setting in nitrogen cylinder 100 top end's balance 200, is provided with the pressure gauge 300 for detecting the pressure of nitrogen cylinder 100 to balance 200, is provided with the protection device 400 for limiting the protection of pressure gauge 300 to balance 200.

[0028] The top end of the nitrogen cylinder 100 is fixedly provided with a bottle neck connecting pipe 203 for discharging the nitrogen in the nitrogen cylinder 100, the left end of the bottle neck connecting pipe 203 is provided with a knob 202 for keeping the nitrogen cylinder 100 and the bottle neck connecting pipe 203 communicated, and the knob 202 is turned to control the nitrogen in the nitrogen cylinder 100 to be delivered into the bottle neck connecting pipe 203; the upper portion of the bottle neck connecting pipe 203 is provided with a handle 201 for outputting the nitrogen in the bottle neck connecting pipe 203; the handle 201 is used to open the balancer 200, and the bottle neck connecting pipe 203 is connected with an external connecting component, so as to facilitate the use of the nitrogen in the nitrogen cylinder 100.

[0029] The rear end of the pressure gauge 300 is provided with a threaded pipe 303 for threadedly connecting with the balancer 200, so that the pressure gauge 300 is installed on the balancer 200 through the thread connection between the threaded pipe 303 and the bottle neck connecting pipe 203, and the pressure gauge 300 is used to detect the pressure in the nitrogen cylinder 100; the disc of the pressure gauge 300 is provided with a pointer 301 for rotation, and the disc of the pressure gauge 300 is provided with a plurality of scale lines 302.

[0030] The protection device 400 comprises protection components one 410 sleeved on the bottle neck connecting pipe 203 for protecting and limiting the pressure gauge 300, the protection components one 410 are provided with protection components two 420 away from the pressure gauge 300, and the protection components one 410 are provided with a driving component 430 for controlling the protection components two 420 to move.

[0031] The protection components one 410 comprise clamp sleeves one 411 sleeved on the bottle neck connecting pipe 203, and the front and rear ends of the clamp sleeves one 411 are welded with connecting ear plates; the two clamp sleeves one 411 are sleeved on the bottle neck connecting pipe 203, and the screw threads between the connecting ear plates of the two clamp sleeves one 411 and nuts are threadedly connected through bolts, so that the two clamp sleeves one 411 are installed on the bottle neck connecting pipe 203.

[0032] The end of the clamp sleeve one 411 away from the bottle neck connecting pipe 203 is fixedly provided with a connecting plate 412, and the cross section of the connecting plate 412 is in inverted L shape; the left end of the connecting plate 412 is fixedly provided with clamp sleeves two 413 for fixing the disc of the pressure gauge 300, and the upper and lower ends of the clamp sleeves two 413 are welded with connecting ear plates; the two clamp sleeves two 413 are sleeved on the pressure gauge 300, and the screw threads between the connecting ear plates of the two clamp sleeves two 413 and nuts are threadedly connected through bolts, so that the two clamp sleeves two 413 are installed on the pressure gauge 300, the pressure gauge 300 is protected and limited, the loosening of the threaded pipe 303 of the pressure gauge 300 is reduced, the installation and connection stability of the pressure gauge 300 is improved, and the pressure gauge 300 is prevented from falling off from the balancer 200.

[0033] The plate body of the connecting plate 412 is provided with a sliding groove 414 for the movement of the driving assembly 430. The upper and lower ends of the groove are provided with limiting grooves 415 for limiting the driving assembly 430. The top end of the connecting plate 412 is provided with locking holes 416 for locking the driving assembly 430. The locking holes 416 are linearly arranged at the top end of the connecting plate 412. The driving assembly 430 can be fixed by the threaded connection between the fixing bolts and the locking holes 416.

[0034] The protection assembly two 420 comprises a clamp sleeve three 421 sleeved on the threaded pipe 303. The upper and lower ends of the clamp sleeve three 421 are welded with connecting lug plates. Two clamp sleeve threes 421 can be sleeved on the threaded pipe 303. The threaded connection between the connecting lug plates and the nuts of the two clamp sleeve threes 421 can be used to install the two clamp sleeve threes 421 on the threaded pipe 303 and protect the pressure gauge 300. The end of the clamp sleeve three 421 away from the threaded pipe 303 is fixedly installed with a connecting rod 422 connected with the driving assembly 430.

[0035] The driving assembly 430 comprises a sliding block 431 arranged in the sliding groove 414 for forward and backward movement. The upper and lower ends of the sliding block 431 are fixedly installed with limiting plates 432 for sliding along the limiting grooves 415. The cross section of the limiting plate 432 is T-shaped. The limiting plate 432 can slide along the limiting grooves 415 to limit the sliding block 431 and prevent the sliding block 431 from falling. When the pressure gauge 300 needs to be protected and limited, two clamp sleeve ones 411 can be sleeved on the neck connecting pipe 203. The threaded connection between the connecting lug plates and the nuts of the two clamp sleeve ones 411 can be used to install the two clamp sleeve ones 411 on the neck connecting pipe 203. At the same time, two clamp sleeve twos 413 can be sleeved on the pressure gauge 300. The threaded connection between the connecting lug plates and the nuts of the two clamp sleeve twos 413 can be used to install the two clamp sleeve twos 413 on the pressure gauge 300 and protect the pressure gauge 300. Finally, two clamp sleeve threes 421 can be sleeved on the threaded pipe 303. The threaded connection between the connecting lug plates and the nuts of the two clamp sleeve threes 421 can be used to install the two clamp sleeve threes 421 on the threaded pipe 303. The sliding block 431 can move in the sliding groove 414 to fix the length of the threaded pipe 303. The pressure gauge is prevented from colliding and falling, thereby improving the connection stability of the pressure gauge and the nitrogen cylinder.

[0036] Based on the above and the drawings, those skilled in the art can understand and implement the present application. In addition, any non-creative modification of the present application made by those skilled in the art without creative labor still falls within the protection scope of the present application.

Claims

1. A nitrogen balancer characterized by: Balancer (200) is arranged at the top end of the nitrogen cylinder (100), the pressure gauge (300) is arranged on the balancer (200) for pressure detection of the nitrogen cylinder (100), the protection device (400) is arranged on the balancer (200) for protection limit of the pressure gauge (300); The top end of the nitrogen cylinder (100) is fixedly installed with a bottle neck connecting pipe (203) for discharging nitrogen in the nitrogen cylinder (100); The protection device (400) includes a protection assembly one (410) sleeved on the bottle neck connecting pipe (203) for protection limit of the pressure gauge (300), and the protection assembly one (410) has two, the protection assembly two (420) is arranged on the side of the protection assembly one (410) away from the pressure gauge (300), and the protection assembly one (410) is provided with a driving assembly (430) for controlling the movement of the protection assembly two (420).

2. A nitrogen balancer according to claim 1, characterized in that: The rear end of the pressure gauge (300) is provided with a threaded pipe (303) for threaded connection with the balancer (200), the disc body of the pressure gauge (300) is provided with a pointer (301) for rotation, and a plurality of scale lines (302) are arranged on the disc body of the pressure gauge (300).

3. A nitrogen balancer according to claim 2, wherein: The protection assembly one (410) includes a clamp sleeve one (411) sleeved on the bottle neck connecting pipe (203), one end of the clamp sleeve one (411) away from the bottle neck connecting pipe (203) is fixedly installed with a connecting plate (412), and the left end of the connecting plate (412) is fixedly installed with a clamp sleeve two (413) for fixing the disc body of the pressure gauge (300).

4. A nitrogen balancer according to claim 3, wherein: The plate body of the connecting plate (412) is provided with a sliding groove (414) for movement of the driving assembly (430), the groove of the sliding groove (414) is provided with a limiting groove (415) at the upper and lower ends for limiting the driving assembly (430), and the top end of the connecting plate (412) is provided with a locking hole (416) for locking the driving assembly (430).

5. A nitrogen balancer according to claim 4, wherein: The protection assembly two (420) includes a clamp sleeve three (421) sleeved on the threaded pipe (303), one end of the clamp sleeve three (421) away from the threaded pipe (303) is fixedly installed with a connecting rod (422) connected with the driving assembly (430).

6. A nitrogen balancer according to claim 4, wherein: The driving assembly (430) includes a sliding block (431) arranged in the sliding groove (414) for forward and backward movement, and the upper and lower ends of the sliding block (431) are fixedly installed with limiting plates (432) for sliding along the limiting groove (415).

7. A nitrogen balancer according to claim 1, wherein: The left end of the bottle neck connecting pipe (203) is provided with a knob (202) for keeping the nitrogen cylinder (100) and the bottle neck connecting pipe (203) in communication, and the upper side of the bottle neck connecting pipe (203) is provided with a handle (201) for outputting nitrogen in the bottle neck connecting pipe (203).

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