Nitrogen filtering device

Abstract

The utility model relates to the technical field of nitrogen filtering, and discloses a nitrogen filtering device which comprises a base plate, a filtering box is fixedly connected to the top of the base plate, a filtering net is slidably connected into the filtering box, a sealing plate is fixedly connected to the top of the filtering net, and a handle is fixedly connected to the top of the sealing plate. A dismounting assembly is arranged in the sealing plate; and the dismounting assembly comprises a hollow cylinder and a sliding column, the outer wall of the hollow cylinder is fixedly connected to the interior of the sealing plate, a first disc is fixedly connected to the interior of the hollow cylinder, and the sliding column is slidably connected to the interior of the first disc. According to the filter device, the sliding column is pressed to drive the trapezoidal column to slide in the hollow cylinder, so that the effect of quickly replacing or maintaining a filter element and a filter screen in the filter device is achieved, and the problems that a filter element in a traditional filter device is usually fixed, the filter element is difficult to replace after being used for a long time, and the filtering effect is reduced are solved; the practicability of the nitrogen filtering device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen gas filter technology field especially, it relates to a nitrogen gas filter device. BACKGROUND

[0002] With the continuous development of industrial production and the increasingly strict requirement of gas purification, nitrogen gas filter device has been widely applied in various trades, nitrogen gas is widely used in electronic, chemical industry, metallurgy and other fields as an important industrial gas, is used for protecting environment, improving production efficiency and guaranteeing product quality, in order to ensure the purity of nitrogen gas, the design and performance of filter device are crucial, nitrogen gas filter device not only has high filtration capacity, but also needs to have convenient maintenance and replacement function, to meet this demand, the design of nitrogen gas filter device pays more and more attention to efficient, convenient and fast replacement and installation mode, so as to realize the continuous and stable operation of equipment, especially the replacement of filter core and the installation of filter pipeline, has become the key factor to improve nitrogen gas filtration efficiency and production efficiency;

[0003] The existing nitrogen gas filter device usually adopts the traditional mechanical structure, wherein the filter core is installed in the filter assembly by the fixing device, and the filter core is generally fixed, when the gas passes through the filter core fixedly installed in the device, the nitrogen gas is filtered.

[0004] In the prior art, the filter core of the nitrogen gas filter device is usually fixedly installed, and once the filter core is used for a long time, it is difficult to replace quickly, and when replacing, it is often necessary to stop and disassemble and clean, causing long equipment downtime and affecting production efficiency, this fixed design makes the replacement of filter core cumbersome and time-consuming, and because of long-term use, the filtering effect will gradually decrease, therefore, how to realize the quick replacement and maintenance of filter core becomes the key problem to improve the performance and practicality of nitrogen gas filter device, and a nitrogen gas filter device is proposed to solve the above problems. SUMMARY

[0005] In order to make up for the above shortcomings, the utility model provides a nitrogen gas filter device, which aims at improving the problem that the filter core in the traditional filter device in the prior art is usually fixed and difficult to replace after long-term use, resulting in reduced filtering effect.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a nitrogen gas filter device, comprising a backing plate, the top of the backing plate is fixedly connected with a filter box, the inside of the filter box is slidably connected with a filter screen, the top of the filter screen is fixedly connected with a sealing plate, the top of the sealing plate is fixedly connected with a handle, and the inside of the sealing plate is provided with a dismounting assembly.

[0007] The dismounting assembly comprises a hollow cylinder and a sliding column, the outer wall of the hollow cylinder is fixedly connected inside the sealing plate, a disc one is fixedly connected inside the hollow cylinder, the sliding column is slidingly connected inside the disc one, a trapezoidal column is fixedly connected at the bottom of the sliding column, a clamping ball is slidingly connected inside the hollow cylinder, the trapezoidal column is attached to the clamping ball, an elastic component is arranged on the outer wall of the sliding column, a support frame one is fixedly connected at the top of the backing plate, a circular ring two is fixedly connected at the top of the support frame one, and a clamping component is arranged inside the circular ring two.

[0008] As a further description of the above technical solution:

[0009] The clamping component comprises a fixed block and a clamping handle, the fixed block is fixedly connected inside the circular ring two, and the clamping handle is rotatably connected inside the fixed block.

[0010] As a further description of the above technical solution:

[0011] The elastic component comprises a spring one, the spring one is sleeved on the outer wall of the sliding column, one end of the spring one is fixedly connected with a disc two, and the other end of the spring one is fixedly connected at the top of the disc one.

[0012] As a further description of the above technical solution:

[0013] The inner wall of the disc two is fixedly connected to the outer wall of the sliding column, and the disc two is slidingly connected inside the hollow cylinder.

[0014] As a further description of the above technical solution:

[0015] The clamping handle is provided with a spring two at the bottom, one end of the spring two is fixedly connected at the bottom of the clamping handle, and the other end of the spring two is fixedly connected at the top of the fixed block.

[0016] As a further description of the above technical solution:

[0017] The top of the circular ring two is provided with a circular ring one, and the circular ring one is attached to the circular ring two.

[0018] As a further description of the above technical solution:

[0019] The top of the circular ring one is fixedly connected with a nitrogen cylinder one, a spherical ball is fixedly connected inside the circular ring one, and the spherical ball is clamped with the clamping handle.

[0020] As a further description of the above technical solution:

[0021] The inside of the support frame one is fixedly connected with a pipeline, the top of the backing plate is fixedly connected with a support frame two, and the top of the support frame two is provided with a nitrogen cylinder two.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, the trapezoidal column is driven to slide in the hollow cylinder by pressing the sliding column, and then the trapezoidal column and the clamping ball are clamped and separated by the elastic component, so that the filter core filter screen in the filtering device is quickly replaced or maintained, the problem that the filter core in the traditional filtering device is usually fixed and is difficult to replace after long-term use, resulting in reduced filtering effect is solved, and the practicability of the nitrogen filtering device is improved.

[0024] 2. In the utility model, the spherical ball at the bottom of the annular ring one is driven to move to the inside of the annular ring two by the nitrogen cylinder one and the annular ring one, then the spherical ball is clamped with the clamping handle, and spring two is compressed at the same time, so that the clamping handle rotates in the fixed block, thereby the nitrogen pipe of the filtering device is quickly installed, the problem that the traditional rotary installation mode is slow and the installation process is complicated is solved, and the production efficiency of the nitrogen filtering device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of the nitrogen filtering device provided by the utility model;

[0026] Figure 2 It is a sealing plate structure schematic view of the nitrogen filtering device provided by the utility model;

[0027] Figure 3 It is Figure 2 the enlarged view of A in the figure;

[0028] Figure 4 It is a sectional structure schematic view of the filter box of the nitrogen filtering device provided by the utility model;

[0029] Figure 5 It is a support frame one structure schematic view of the nitrogen filtering device provided by the utility model

[0030] Figure 6 It is Figure 5 the enlarged view of B in the figure.

[0031] LEGEND:

[0032] 1, backing plate; 2, filter box; 3, support frame one; 4, support frame two; 5, nitrogen cylinder one; 6, nitrogen cylinder two; 7, sealing plate; 8, handle; 9, hollow cylinder; 10, sliding column; 11, disc one; 12, trapezoidal column; 13, clamping ball; 14, spring one; 15, filter screen; 16, annular ring one; 17, annular ring two; 18, pipeline; 19, fixed block; 20, spherical ball; 21, clamping handle; 22, spring two; 23, disc two. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0034] With reference to Figure 1 Figure 4 An embodiment provided by the present application is a nitrogen filtering device, which comprises a base plate 1, the base plate 1 is used as a supporting base, a filtering box 2 is fixedly connected to the base plate 1, the stability of the whole device is ensured, the filtering box 2 is fixedly connected to the top of the base plate 1, the filtering box 2 contains and protects a filter screen 15, forms a main area of nitrogen filtering, ensures that the gas is effectively purified when passing through the filter screen 15, the filter screen 15 is slidably connected in the filtering box 2, the filter screen 15 plays a role of gas filtering, removes impurities in the nitrogen, ensures the filtering effect, the filter screen 15 is fixedly connected to the top of a sealing plate 7, the sealing plate 7 cooperates with the filter screen 15, ensures that the inside of the filtering box 2 is sealed, prevents gas leakage, improves the filtering efficiency, the sealing plate 7 is fixedly connected to the top of a handle 8, the handle 8 provides the functions of convenient operation and disassembly, facilitates the user to replace the filter screen 15 or maintain the device, and the sealing plate 7 is internally provided with a disassembly assembly.

[0035] The disassembly assembly comprises a hollow cylinder 9 and a sliding column 10, the hollow cylinder 9 is fixedly connected to the inside of the sealing plate 7, the hollow cylinder 9 is connected to the inside of the sealing plate 7 as a fixed structure, provides a channel for the sliding column 10 to move, ensures the normal work of the disassembly assembly, the sliding column 10 is slidably connected in the hollow cylinder 9, and the sliding column 10 realizes the smoothness of disassembly and replacement operation by cooperating with a trapezoidal column 12, the hollow cylinder 9 is fixedly connected with a disc one 11 internally, the sliding column 10 is slidably connected in the disc one 11, the trapezoidal column 12 is fixedly connected to the bottom of the sliding column 10, the hollow cylinder 9 is slidably connected with a clamping ball 13 internally, the trapezoidal column 12 is attached to the clamping ball 13, the trapezoidal column 12 is attached to the clamping ball 13, the trapezoidal column 12 and the clamping ball 13 are clamped or separated by the action of the sliding column 10, ensures the reliable operation of the disassembly assembly, the clamping ball 13 plays a clamping role, is combined with the trapezoidal column 12, realizes the fixing or separation of the assembly, the sliding column 10 is provided with an elastic assembly on the outer wall, the base plate 1 is fixedly connected with a supporting frame one 3 on the top, the supporting frame one 3 is fixedly connected with a ring two 17 on the top, and the ring two 17 is internally provided with a clamping assembly.

[0036] With reference to Figure 5 and Figure 6 ​The clamping assembly comprises a fixed block 19 and a clamping handle 21. The fixed block 19 is fixedly connected to the inside of the circular ring 2, and the clamping handle 21 is rotatably connected to the inside of the fixed block 19. The fixed block 19 connects the clamping handle 21 with the circular ring 2 and ensures the rotation of the clamping handle 21. The clamping handle 21 is rotatably connected to the inside of the fixed block 19, allowing the clamping handle 21 to rotate flexibly within a certain range, facilitating the clamping and disengaging of objects. The elastic assembly comprises a spring 1 4, which is sleeved on the outer wall of the sliding column 10. One end of the spring 1 4 is fixedly connected with a disc 2 3, and the other end is fixedly connected to the top of the disc 1 1. The spring 1 4 provides elastic support for the sliding column 10, ensuring that the disc 1 1 and the disc 2 3 can maintain a certain pressure and positional relationship, thereby stabilizing the structure of the entire device. The inner wall of the disc 2 3 is fixedly connected to the outer wall of the sliding column 10, and the disc 2 3 is slidably connected to the inside of the hollow cylinder 9, allowing the disc 2 3 to slide freely inside the hollow cylinder 9 to adjust and control the relative position between the components. The clamping handle 21 is provided with a spring 2 2. One end of the spring 2 2 is fixedly connected to the bottom of the clamping handle 21, and the other end is fixedly connected to the top of the fixed block 19. The spring 2 2 provides a rebound force for the clamping handle 21, ensuring that the clamping handle 21 can return to its original position during use, thereby improving the operational flexibility and stability of the device. The top of the circular ring 2 is provided with a circular ring 1 6, which is in close contact with the circular ring 2 7 to ensure the tight connection between the two circular rings and prevent slipping. The top of the circular ring 1 6 is fixedly connected with a nitrogen cylinder 1 5, and the inside of the circular ring 1 6 is fixedly connected with a ball 20, which is clamped with the clamping handle 21 to provide a stable clamping method and ensure that the relative position between the clamping handle 21 and the circular ring 1 6 does not deviate. The inside of the support frame 1 3 is fixedly connected with a pipeline 1 8, which provides a fluid transmission channel for the entire device to support the flow of gas or liquid and ensure the normal operation of the device. The top of the base plate 1 is fixedly connected with a support frame 2 4, and the top of the support frame 2 4 is provided with a nitrogen cylinder 2 6.

[0037] Working principle: when using the filter device in nitrogen filtering, first install nitrogen cylinder one 5 and nitrogen cylinder two 6, when installing nitrogen cylinder one 5, drive the ring one 16 and the ball 20 at the bottom of the nitrogen cylinder one 5 to move to the inside of the ring two 17, when the ball 20 contacts the clamp handle 21, the clamp handle 21 is rotated in the fixed block 19 by extruding the clamp handle 21, the spring two 22 is compressed during the rotation of the clamp handle 21, when the ball 20 slides to the inside of the clamp handle 21, the spring two 22 releases the elastic force to drive the clamp handle 21 to reset, so as to achieve the purpose of clamping the ball 20, so that the nitrogen cylinder one 5 is quickly installed on the filter device, and the other side is installed in the same way, and the nitrogen cylinder two 6 is installed on the filter device, so that the nitrogen is filtered and then collected, when the nitrogen passes through the filter box 2, the filter screen 15 is arranged in the filter box 2, the special material on the filter screen 15 is used to filter the nitrogen, when the filter screen 15 is used to a certain extent, the disc two 23 can be driven to slide in the hollow cylinder 9 by pressing the sliding column 10, the spring one 14 is compressed during the sliding of the disc two 23 in the hollow cylinder 9, the trapezoidal column 12 is driven to slide downward in the hollow cylinder 9 by the sliding column 10 moving downward, when the trapezoidal column 12 moves downward, the clamping state of the clamping ball 13 is released, so that the clamping ball 13 slides to the inside of the hollow cylinder 9, so that the clamping state of the hollow cylinder 9 and the filter box 2 is separated, so that the filter screen 15 is taken out from the inside of the filter box 2 through the sealing plate 7 and the handle 8, so as to achieve the purpose of quickly taking out, maintaining and replacing the filter screen 15 of the filter device.

[0038] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A nitrogen filtering device comprising a backing plate (1), characterized in that: The top of the backing plate (1) is fixedly connected with a filter box (2), the filter box (2) is slidably connected with a filter screen (15) inside, the top of the filter screen (15) is fixedly connected with a sealing plate (7), the top of the sealing plate (7) is fixedly connected with a handle (8), and the sealing plate (7) is provided with a dismounting assembly inside. The dismounting assembly comprises a hollow cylinder (9) and a sliding column (10), the outer wall of the hollow cylinder (9) is fixedly connected inside the sealing plate (7), the hollow cylinder (9) is fixedly connected with a disc one (11) inside, the sliding column (10) is slidably connected inside the disc one (11), the bottom of the sliding column (10) is fixedly connected with a trapezoidal column (12), the hollow cylinder (9) is slidably connected with a clamping ball (13) inside, the trapezoidal column (12) is attached to the clamping ball (13), the outer wall of the sliding column (10) is provided with an elastic assembly, the top of the backing plate (1) is fixedly connected with a support frame one (3), the top of the support frame one (3) is fixedly connected with a circular ring two (17), and the circular ring two (17) is provided with a clamping assembly inside.

2. The nitrogen filter device of claim 1, wherein: The clamping assembly comprises a fixed block (19) and a clamping handle (21), the bottom of the fixed block (19) is fixedly connected inside the circular ring two (17), and the clamping handle (21) is rotatably connected inside the fixed block (19).

3. The nitrogen filter of claim 1, wherein: The elastic assembly comprises a spring one (14), the spring one (14) is sleeved on the outer wall of the sliding column (10), one end of the spring one (14) is fixedly connected with a disc two (23), and the other end of the spring one (14) is fixedly connected to the top of the disc one (11).

4. The nitrogen filter of claim 3, wherein: The inner wall of the disc two (23) is fixedly connected to the outer wall of the sliding column (10), and the disc two (23) is slidably connected inside the hollow cylinder (9).

5. The nitrogen filter of claim 2, wherein: The bottom of the clamping handle (21) is provided with a spring two (22), one end of the spring two (22) is fixedly connected to the bottom of the clamping handle (21), and the other end of the spring two (22) is fixedly connected to the top of the fixed block (19).

6. The nitrogen filter of claim 2, wherein: The top of the circular ring two (17) is provided with a circular ring one (16), and the circular ring one (16) is attached to the circular ring two (17).

7. A nitrogen filter apparatus as claimed in claim 6, wherein: The top of the circular ring one (16) is fixedly connected with a nitrogen cylinder one (5), the inside of the circular ring one (16) is fixedly connected with a spherical ball (20), and the spherical ball (20) is clamped with the clamping handle (21).

8. The nitrogen filter of claim 1, wherein: The inside of the support frame one (3) is fixedly connected with a pipeline (18), the top of the backing plate (1) is fixedly connected with a support frame two (4), and the top of the support frame two (4) is provided with a nitrogen cylinder two (6).

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