Precision filter with function of conveniently replacing filter element

Abstract

The utility model discloses a precision filter with a function of conveniently replacing a filter element, which comprises a shell and the filter element, and the lower end of the shell is connected with a fixing frame; a fixing mechanism is connected to the fixing frame and comprises a fixing disc. The fixed disc is rotationally connected with a rotary disc and a supporting disc; a fixing rod is fixedly connected between the rotating disc and the supporting disc; a movable block is further movably connected between the rotary disc and the supporting disc. The movable block is connected with a push rod; one end of the push rod is connected with a supporting column fixedly connected with the fixing disc. A fixed block is hinged to the other end of the push rod; the other end of the fixed block is connected with a push plate; the push plates are pushed by the fixing rods to move towards the inner side at the same time. According to the utility model, the fixing mechanism and the driving mechanism are arranged in the shell, so that the filter element is convenient to dismount and mount, and the center can be fixed, so that the filter element is more accurately mounted.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a precision filter with the function of facilitating the replacement of filter elements. Background Art

[0002] Precision filters select different filter elements according to different filter media and design processes to meet the requirements of filtration, and have a wide range of applications. The filter element needs to be replaced after a period of use. The existing method requires workers to manually disassemble the device shell to expose the internal filter element and then remove and replace the filter element. This method is time-consuming and labor-intensive, and the operation is cumbersome. The plug-in installation is difficult to align with the card slot and the operation is complicated. For this reason, we propose a precision filter with the function of facilitating the replacement of the filter element. Utility Model Content

[0003] The utility model aims to solve the problems in the prior art and proposes a precision filter with a filter element function that is easy to replace.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A precision filter with the function of facilitating the replacement of filter elements, comprises a shell and a filter element, the lower end of the shell being connected to a fixing frame; the fixing frame being connected to a fixing mechanism, the fixing mechanism comprising a fixing plate; a turntable and a supporting plate being rotatably connected to the fixing plate; a fixing rod being fixedly connected between the turntable and the supporting plate; a movable block being movably connected between the turntable and the supporting plate; a push rod being connected to the movable block; one end of the push rod being connected to a supporting column fixedly connected to the fixing plate; the other end of the push rod being hinged to a fixing block; the other end of the fixing block being connected to a push plate; a plurality of fixing rods and push plates are provided; and a plurality of the push plates are pushed inward at the same time by the fixing rod.

[0006] Preferably, the turntable is connected to a driving mechanism; the driving mechanism comprises a toothed disc meshing with the turntable; and the toothed disc is connected to a transmission mechanism.

[0007] Preferably, the transmission mechanism comprises a bevel gear 1 and a bevel gear 2 meshing with each other; the bevel gear 1 is fixedly connected to the gear plate; a connecting rod is connected to the bevel gear 2; the connecting rod extends outward to the outside of the shell and is connected to a knob.

[0008] Preferably, a connecting frame is connected to the outer side of the shell; and the driving mechanism is arranged in the connecting frame.

[0009] Preferably, a window is provided between the connecting frame and the housing; the toothed disc is engaged with the rotating disc through the window.

[0010] Preferably, the turntable and the support plate are annular plates of the same size; and the push plate is arranged on the inner side of the turntable and the support plate.

[0011] Preferably, the push plate is arc-shaped; and the outer wall of the push plate is in contact with the inner walls of the turntable and the support plate; the inner wall diameter of the push plate is not less than the outer wall diameter of the bottom end of the filter element.

[0012] Compared with the prior art, the utility model provides a precision filter with a convenient filter element replacement function, which has the following beneficial effects:

[0013] The precision filter with the function of facilitating filter element replacement has a fixing mechanism and a driving mechanism arranged in a shell. When in use, after the filter element is placed in the fixing frame, a knob is turned to drive the transmission mechanism to rotate, so that the gear plate drives the turntable to rotate, thereby driving the push rod to rotate with the support column as the center of the circle while the other end rotates toward the inner side of the turntable and the support plate, so that the push plate clamps the bottom end of the filter element in the center. When disassembling, the knob can be turned in the opposite direction to release the bottom end of the filter element, which is convenient for removing and installing the filter element, and the center can be fixed, so that the installation of the filter element is more accurate.

[0014] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. The utility model has a simple structure and is easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the fixing mechanism in the utility model;

[0017] Figure 3 It is a cross-sectional view of the fixing mechanism in the utility model.

[0018] In the figure: 10 housing, 11 filter element, 12 fixing frame, 13 connecting frame, 20 fixing mechanism, 21 fixing plate, 22 rotating plate, 23 supporting plate, 24 fixing rod, 25 movable block, 26 push rod, 27 supporting column, 28 fixing block, 29 pushing plate, 30 driving mechanism, 31 toothed plate, 32 bevel gear 1, 33 bevel gear 2, 34 connecting rod, 35 knob. DETAILED DESCRIPTION

[0019] The following will refer to Figure 1-3, the specific implementation of the precision filter with the function of facilitating the replacement of the filter element in the utility model is introduced, including a housing 10 and a filter element 11. In order to facilitate the fixed installation of the filter element 11, the lower end of the housing 10 is connected with a fixing frame 12; the fixing frame 12 is connected with a fixing mechanism 20, and the fixing mechanism 20 includes a fixing plate 21; a rotating plate 22 and a supporting plate 23 are rotatably connected to the fixing plate 21; a fixing rod 24 is fixedly connected between the rotating plate 22 and the supporting plate 23; the rotating plate A movable block 25 is also movably connected between the turntable 22 and the support disk 23; a push rod 26 is connected to the movable block 25; one end of the push rod 26 is connected to a support column 27 fixedly connected to the fixed disk 21; the other end of the push rod 26 is hinged to a fixed block 28, and the fixed block 28 faces the inner side of the turntable 22 and the support disk 23, so that the push rod 26 is tiltedly arranged between the turntable 22 and the support disk 23, and the other end rotates toward the inner side of the turntable 22 and the support disk 23 while rotating with the support column 27 as the center.

[0020] In order to fix the filter element 11 more tightly, a push plate 29 is connected to the other end of the fixing block 28. There are multiple fixing rods 24 and push plates 29, so that the multiple push plates 29 are pushed by the fixing rods 24 and move inward at the same time to fix the bottom end of the filter element 11.

[0021] In order to facilitate the bottom end of the filter element 11 to be fixed inside the push plate 29, the rotating disk 22 and the supporting disk 23 are annular plates of the same size; the push plate 29 is arranged inside the rotating disk 22 and the supporting disk 23. The push plate 29 is arc-shaped; and the outer wall of the push plate 29 is in contact with the inner wall of the rotating disk 22 and the supporting disk 23; the inner wall diameter of the push plate 29 is not less than the outer wall diameter of the bottom end of the filter element 11.

[0022] The turntable 22 is connected to a driving mechanism 30; the driving mechanism 30 includes a toothed disc 31 meshing with the turntable 22; the toothed disc 31 is connected to a transmission mechanism; the transmission mechanism includes a bevel gear 1 32 and a bevel gear 2 33 meshing with each other; the bevel gear 1 32 is fixedly connected to the toothed disc 31; the bevel gear 2 33 is connected to a connecting rod 34; the connecting rod 34 extends outward to the outside of the housing 10 and is connected to a knob 35; after the transmission mechanism is driven to rotate by turning the knob 35, the toothed disc 31 drives the turntable 22 to rotate, thereby driving the push rod 26 to rotate with the support column 27 as the center while the other end rotates toward the inner side of the turntable 22 and the support disc 23, so that the push plate 29 clamps the bottom end of the filter element 11 in the center.

[0023] To facilitate placement of the drive mechanism 30 , a connecting frame 13 is connected to the outer side of the housing 10 ; the drive mechanism 30 is disposed in the connecting frame 13 ; a window is provided between the connecting frame 13 and the housing 10 ; and the toothed disc 31 meshes with the rotating disc 22 through the window.

[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A precision filter with a filter element replacement function, comprising a housing (10) and a filter element (11), wherein the housing (10) is connected to a fixing frame (12) at the lower end; and a fixing mechanism (20) is connected to the fixing frame (12), characterized in that: The fixing mechanism (20) comprises a fixing plate (21); a rotating plate (22) and a supporting plate (23) are rotatably connected to the fixing plate (21); a fixing rod (24) is fixedly connected between the rotating plate (22) and the supporting plate (23); a movable block (25) is also movably connected between the rotating plate (22) and the supporting plate (23); a push rod (26) is connected to the movable block (25); one end of the push rod (26) is connected to a supporting column (27) fixedly connected to the fixing plate (21); the other end of the push rod (26) is hingedly connected to a fixing block (28); the other end of the fixing block (28) is connected to a push plate (29); a plurality of fixing rods (24) and push plates (29) are provided; and the plurality of push plates (29) are pushed by the fixing rod (24) and move inward at the same time.

2. A precision filter with easy filter element replacement function according to claim 1, characterized in that: The rotating disk (22) is connected to a driving mechanism (30); the driving mechanism (30) comprises a toothed disk (31) meshing with the rotating disk (22); and the toothed disk (31) is connected to a transmission mechanism.

3. A precision filter with easy filter element replacement function according to claim 2, characterized in that: The transmission mechanism comprises a bevel gear 1 (32) and a bevel gear 2 (33) meshing with each other; the bevel gear 1 (32) is fixedly connected to the toothed disc (31); the bevel gear 2 (33) is connected to a connecting rod (34); the connecting rod (34) extends outward to the outside of the housing (10) and is connected to a knob (35).

4. A precision filter with easy filter element replacement function according to claim 2, characterized in that: The outer side of the housing (10) is connected to a connecting frame (13); the driving mechanism (30) is arranged inside the connecting frame (13).

5. A precision filter with easy filter element replacement function according to claim 4, characterized in that: A window is provided between the connecting frame (13) and the housing (10); the toothed disc (31) meshes with the rotating disc (22) through the window.

6. The precision filter with easy filter element replacement function according to claim 1, characterized in that: The rotating disk (22) and the supporting disk (23) are annular plates of the same size; the pushing plate (29) is arranged on the inner sides of the rotating disk (22) and the supporting disk (23).

7. The precision filter with easy filter element replacement function according to claim 1, characterized in that: The push plate (29) is arc-shaped; and the outer wall of the push plate (29) is in contact with the inner walls of the rotating disk (22) and the supporting disk (23); the inner wall diameter of the push plate (29) is not less than the outer wall diameter of the bottom end of the filter element (11).

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