Small suction filtration device with reliably connected suction pipe

Abstract

The utility model relates to the field of suction filtration equipment, in particular to a small suction filtration device with reliably connected suction pipes. The embodiment of the utility model provides a small suction filtration device with a reliably connected suction pipe, which comprises a filter cartridge body, and an exhaust port and a locking mechanism are arranged on one side of the filter cartridge body. And a mounting station is arranged between the locking mechanism and the exhaust interface. The locking mechanism comprises a limiting seat and a locking adjusting part hinged to the limiting seat, two guide slopes are arranged on the side, facing the mounting station, of the limiting seat, and two limiting plates are mounted on the side, facing the mounting station, of the locking adjusting part. And after the exhaust port is sleeved with the exhaust pipe, the locking adjusting piece rotates until the two limiting plates are inserted into the mounting station, so that the exhaust pipe is tightly held from the two sides. By arranging the limiting seat and the locking adjusting piece, when the exhaust pipe is installed, matching parts needed by the locking mechanism do not need to be additionally installed on the exhaust pipe or the filter cylinder body.

Description

Technical Field

[0001] The utility model relates to the field of suction filtration equipment, in particular to a small suction filtration device with reliable air extraction pipe connection. Background Art

[0002] Filtration equipment is a solid-liquid separation device commonly used in industry. It usually requires a vacuum pump to be connected to the internal cavity. By vacuuming the cavity to form a pressure difference, the liquid passes through the filtration mechanism and is separated from the solid.

[0003] The air pump needs to be connected to the corresponding air outlet of the filtration equipment through a pipe. However, in actual use, in order to meet the sealing requirements and economic benefits, most pipes are plastic pipes. After repeated use, the connection position of the pipe mouth will be deformed and cannot be reliably sealed. Therefore, an additional locking mechanism needs to be installed to ensure a reliable connection between the pipe and the air outlet, which increases the inconvenience of installation and is prone to errors and improper installation. Therefore, it is necessary to design a small filtration device with reliable air extraction pipe connection. Utility Model Content

[0004] The utility model aims to provide a small suction filter device with reliable suction pipe connection to solve the above problems.

[0005] In order to achieve the above-mentioned purpose, the embodiment of the utility model provides a small suction filtration device with reliable suction pipe connection, comprising: a filter cartridge body, one side of the filter cartridge body is provided with an exhaust port and a locking mechanism, the locking mechanism is arranged around the exhaust port, and an installation station is provided between the locking mechanism and the exhaust port; and

[0006] The locking mechanism comprises: a limit seat and a locking adjustment member hingedly arranged on the limit seat, the limit seat has two guiding inclined surfaces on the side facing the installation station, and the locking adjustment member has two limit plates installed on the side facing the installation station;

[0007] The two limit plates correspond to the two guide slopes respectively; wherein

[0008] After the exhaust pipe is sleeved onto the exhaust interface, the locking adjustment member is rotated until the two limit plates are inserted into the installation station, and the two limit plates are respectively moved toward each other along the guiding inclined surfaces to hold the exhaust pipe from both sides.

[0009] Furthermore, a side of the limiting plate facing the exhaust port is an arc surface.

[0010] Furthermore, the limit seat has at least one positioning groove, and the locking adjustment member is rotatably connected to a clamping plate, and the clamping plate corresponds to the positioning groove; wherein

[0011] After the limiting plate holds the exhaust pipe tightly, the clamping plate rotates into any one of the positioning grooves to position the locking adjustment member.

[0012] Furthermore, a lifting knob is rotatably provided on a side of the locking adjustment member away from the limiting plate.

[0013] Furthermore, the lifting knob is coaxially connected to the clamping plate.

[0014] Furthermore, the filter cartridge body comprises a feed cylinder, a vacuum chamber and a filter screen plate, the filter screen plate is installed between the feed cylinder and the vacuum chamber, and the exhaust port is located on the vacuum chamber;

[0015] The bottom of the vacuum chamber is provided with a liquid discharge port.

[0016] Furthermore, a water baffle is installed above the inner end of the exhaust interface, and the water baffle surrounds the exhaust interface in a ring shape.

[0017] Furthermore, the filter screen plate is provided with a plurality of screen holes.

[0018] Furthermore, a flange sealing surface is provided between the filter screen plate and the vacuum chamber.

[0019] Furthermore, a support frame is provided in the vacuum chamber, and the support frame is fitted with the bottom of the filter screen plate.

[0020] Compared with the prior art, the embodiments of the utility model have the following beneficial effects: by providing a limit seat and a locking adjustment member, when installing the exhaust pipe, it is not necessary to add the matching parts required for the locking mechanism to the exhaust pipe or the filter cartridge body. The arc-shaped movement trajectory of the locking adjustment member moving inwards enables the exhaust pipe to be pushed inwards when clamping the exhaust pipe, thereby preventing the exhaust pipe from being easily separated from the exhaust interface when the installation is not in place. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0022] Figure 1 A three-dimensional diagram showing a small suction filter device with reliable suction pipe connection according to the utility model;

[0023] Figure 2 A schematic diagram showing a locking state of the locking mechanism of the utility model is shown;

[0024] Figure 3 A schematic structural diagram of a locking adjustment member of the utility model is shown;

[0025] Figure 4 An exploded view of the filter cartridge body of the utility model is shown;

[0026] Figure 5 The schematic diagram of the structure of the vacuum chamber of the utility model is shown.

[0027] In the figure:

[0028] 1. Filter cartridge body; 11. Exhaust interface; 12. Feed cylinder; 13. Vacuum chamber; 14. Filter screen plate; 141. Screen hole; 15. Water retaining plate; 16. Flange sealing surface; 17. Drain port; 18. Support frame;

[0029] 2. Limit seat; 21. Guide slope; 22. Positioning groove;

[0030] 3. Locking adjustment member; 31. Limiting plate; 32. Arc surface; 33. Snap-on plate; 34. Lifting knob. DETAILED DESCRIPTION

[0031] Now the utility model is further described in detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the utility model in a schematic manner, and therefore only show the components related to the utility model.

[0032] Examples, such as Figure 1 As shown, at least one embodiment provides a small suction filtration device with reliable connection of the suction pipe, comprising: a filter cartridge body 1, the filter cartridge body 1 comprising a feed barrel 12, a vacuum chamber 13 and a filter screen plate 14, the filter screen plate 14 is installed between the feed barrel 12 and the vacuum chamber 13, the bottom of the vacuum chamber 13 is provided with a plurality of legs for supporting the whole device, the feed barrel 12 is arranged above the filter screen plate 14, and the material is fed into the top opening of the feed barrel 12 to realize feeding into the suction filtration device. In some embodiments, the material fed into the feed barrel 12 is a solid-liquid mixture. An exhaust hole is provided on one side of the top of the vacuum chamber 13, and an exhaust interface 11 is connected to the outside of the exhaust hole, and the exhaust interface 11 is suitable for connecting the suction pipe, and the other end of the suction pipe is connected to the air pump. The air pump draws air into the vacuum chamber 13 through the suction pipe, so that the internal air pressure of the vacuum chamber 13 is reduced, and then the liquid in the solid-liquid mixture in the feed barrel 12 flows into the vacuum chamber 13 through the filter screen plate 14, and finally achieves the effect of solid-liquid separation. In order to ensure the above process, a plurality of sieve holes 141 are provided on the filter screen plate 14, and the diameter of the sieve holes 141 is 4 mm to prevent solids from passing through, while ensuring that liquid can flow into the vacuum chamber 13 through the sieve holes 141. In order to discharge the liquid in the vacuum chamber 13, a drain port 17 is provided at the bottom of the vacuum chamber 13.

[0033] In order to prevent liquid from leaking from the connection between the filter screen plate 14 and the vacuum chamber 13 , in some embodiments, a flange sealing surface 16 is provided between the filter screen plate 14 and the vacuum chamber 13 .

[0034] Since there is a solid-liquid mixture above the filter screen plate 14, the filter screen plate 14 needs a certain load-bearing capacity. Therefore, in some embodiments, the vacuum chamber 13 has a support frame 18, and the support frame 18 is in contact with the bottom of the filter screen plate 14. The vacuum chamber 13 supports the filter screen plate 14 from below through the support frame 18 to provide support for the filter screen plate 14, and maintains the overall stability through the support feet.

[0035] In order to prevent the liquid from being sucked into the exhaust pipe after passing through the sieve plate, a water baffle 15 is installed above the inner end of the exhaust interface 11, and the water baffle 15 annularly surrounds the exhaust interface 11. The water baffle 15 can prevent the liquid near the exhaust hole from entering the exhaust interface 11 and the exhaust pipe, thereby preventing water from entering the air pump.

[0036] It should be noted that in actual use, in order to meet the sealing requirements and economic benefits, most of the pipes of the filtration device are plastic pipes. After repeated use, the connection position of the pipe mouth will be deformed and cannot be reliably sealed. Therefore, in the related art, it is necessary to add assembly parts to the end of the exhaust pipe, and after the exhaust pipe is put on the exhaust interface 11, an additional locking structure is added to cooperate with the assembly parts on the exhaust pipe to achieve the connection, which increases the inconvenience of installation and is prone to errors, resulting in the exhaust pipe not being installed properly.

[0037] In order to solve the above problems, in at least one embodiment, a locking mechanism is installed on the outside of the vacuum chamber 13, and the locking mechanism is arranged around the exhaust port 11, and an installation station is provided between the locking mechanism and the exhaust port 11. The locking mechanism comprises: a limit seat 2 and a locking adjustment member 3 hingedly arranged on the limit seat 2. The limit seat 2 is fixedly installed below the exhaust port 11, and the locking adjustment member 3 is installed above the limit seat 2, and the locking adjustment member 3 is located above the exhaust port 11. The limit seat 2 is provided with an opening on one side facing the installation station, and two guide slopes 21 are respectively provided on both sides of the opening, and the two guide slopes 21 gradually approach each other in a direction away from the locking adjustment member 3, and two limit plates 31 are installed on one side of the locking adjustment member 3 facing the installation station. The two limit plates 31 correspond to the two guide slopes 21 respectively. Through the above arrangement, after the exhaust pipe is sleeved onto the exhaust interface 11, the locking adjustment member 3 is rotated until the two limit plates 31 are inserted into the installation station, and the two limit plates 31 are respectively moved toward each other along the guide bevel 21 to hold the exhaust pipe from both sides. On the other hand, since the movement stroke of the limit plate 31 is arc-shaped and faces the inner end direction of the exhaust interface 11, the limit plate 31 can push the exhaust pipe inward after clamping the exhaust pipe along the guide bevel 21 to prevent the exhaust pipe from being separated from the exhaust interface 11 when it is not installed in place. In addition, the limit seat 2 and the locking adjustment member 3 are both installed on the vacuum chamber 13. Therefore, when in use, it is only necessary to select an exhaust pipe of suitable size for assembly, without adding matching parts to the exhaust pipe, and without installing additional locking components after the exhaust pipe is installed.

[0038] In order to make the limiting plate 31 fit better with the outer wall of the exhaust pipe, the side of the limiting plate 31 facing the exhaust port 11 is an arc surface 32 .

[0039] Since the exhaust pipe is a flexible pipe, after the limiting plate 31 clamps the exhaust pipe, the exhaust pipe will bounce the limiting plate 31 open under the action of elastic force. Therefore, after the limiting plate 31 clamps the exhaust pipe, it is necessary to maintain the position. In order to solve the above problem, in some embodiments, the limiting seat 2 has at least one positioning groove 22, preferably two, and a clamping plate 33 is rotatably connected to the locking adjustment member 3, and the clamping plate 33 corresponds to the positioning groove 22. After the limiting plate 31 clamps the exhaust pipe, the clamping plate 33 rotates into any of the positioning grooves 22, and the clamping plate 33 is plugged into the positioning groove 22 to position the locking adjustment member 3 to keep the exhaust pipe clamped.

[0040] In order to facilitate the operator to drive the locking adjustment member 3 to open or close with the limiting seat 2, in some embodiments, the locking adjustment member 3 is rotatably provided with a lifting knob 34 on the side away from the limiting plate 31. The outer wall of the lifting knob 34 has anti-slip grooves. At the same time, in order to further synchronously control the clamping plate 33, as a preference, the lifting knob 34 is coaxially connected to the clamping plate 33.

[0041] It is worth mentioning that the technical features such as other components involved in this utility model patent application should be regarded as prior art. The specific structure, working principle and possible control method and spatial layout method of these technical features can be selected by conventional methods in the field and should not be regarded as the invention point of this utility model patent. This utility model patent will not be further elaborated.

[0042] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A small suction filtration device with reliable suction pipe connection, characterized in that: include: A filter cartridge body, wherein an exhaust port and a locking mechanism are disposed on one side of the filter cartridge body, the locking mechanism is disposed around the exhaust port, and an installation station is provided between the locking mechanism and the exhaust port; as well as The locking mechanism comprises: a limit seat and a locking adjustment member hingedly arranged on the limit seat, the limit seat has two guiding inclined surfaces on the side facing the installation station, and the locking adjustment member has two limit plates installed on the side facing the installation station; The two limit plates correspond to the two guide inclined surfaces respectively; in After the exhaust pipe is sleeved onto the exhaust interface, the locking adjustment member is rotated until the two limit plates are inserted into the installation station, and the two limit plates are respectively moved toward each other along the guiding inclined surfaces to hold the exhaust pipe from both sides.

2. The small suction filtration device according to claim 1, characterized in that: The side of the limiting plate facing the exhaust port is an arc surface.

3. The small suction filtration device according to claim 1, characterized in that: The limit seat is provided with at least one positioning groove, and the locking adjustment member is rotatably connected with a clamping plate, and the clamping plate corresponds to the positioning groove; in After the limiting plate holds the exhaust pipe tightly, the clamping plate rotates into any one of the positioning grooves to position the locking adjustment member.

4. The small suction filtration device according to claim 3, characterized in that: A lifting knob is rotatably arranged on one side of the locking adjustment member away from the limiting plate.

5. The small suction filtration device according to claim 4, characterized in that: The lifting knob is coaxially connected to the clamping plate.

6. The small suction filtration device according to claim 1, characterized in that: The filter cartridge body comprises a feed cylinder, a vacuum chamber and a filter screen plate, wherein the filter screen plate is installed between the feed cylinder and the vacuum chamber, and the exhaust port is located on the vacuum chamber; The bottom of the vacuum chamber is provided with a liquid discharge port.

7. The small suction filtration device according to claim 6, characterized in that: A water baffle is installed above the inner end of the exhaust interface, and the water baffle surrounds the exhaust interface in a ring shape.

8. The small suction filtration device according to claim 6, characterized in that: The filter screen plate is provided with a plurality of screen holes.

9. The small suction filtration device according to claim 6, characterized in that: A flange sealing surface is provided between the filter screen plate and the vacuum chamber.

10. The small suction filtration device according to claim 6, characterized in that: A support frame is provided in the vacuum chamber, and the support frame is fitted with the bottom of the filter screen plate.

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