A new type of vacuum pump oil filtering device

Abstract

The utility model relates to the technical field of filtering devices, and discloses a novel vacuum pump oil filtering device, including a vacuum pump body, the oil outlet end of the vacuum pump body is fixedly connected to an oil delivery pipe, the right end of the oil delivery pipe is fixedly connected to a filter box, the right side of the filter box is fixedly connected to an oil drain pipe, the inner wall of the filter box is fitted with a filter element, the front of the filter box is fixedly connected to a driving mechanism, the front and rear sides of the filter box are fixedly connected to a fixing ring, the inner wall of the fixing ring is fixedly connected to a second bearing, the inner wall of the second bearing is fixedly connected to a pressing bracket, and the inner wall of the pressing bracket contacts the upper surface of the filter element. The utility model enables the filter element in the filter box to be automatically disassembled and assembled through the cooperation of the filter box, the filter element, the driving mechanism, the fixing ring, the second bearing, the pressing bracket and the worm gear, so that the user can clean the filter element easily.

Description

Technical Field

[0001] The utility model relates to the technical field of filtering devices, in particular to a novel vacuum pump oil filtering device. Background Art

[0002] A vacuum pump refers to a device or equipment that uses mechanical, physical, chemical or physicochemical methods to evacuate the container to obtain a vacuum. In layman's terms, a vacuum pump is a device that uses various methods to improve, generate and maintain a vacuum in a closed space. At present, most vacuum pump oil filtration devices filter the oil through multiple filters. For example, a vacuum pump oil recovery filter device disclosed in Chinese Patent Publication No. CN208726847U, however, is fixed by bolts in the filter device. As a result, the user needs to manually disassemble and assemble the filter before and after cleaning, which makes the filter cleaning process more troublesome. At the same time, when the filter is taken out of the filter device, impurities on the filter are often scattered on the ground, which reduces the cleanliness of the ground. Summary of the invention

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art, such as: at present, since the filter screen in the filter device is mostly fixed by bolts, the user needs to manually disassemble and assemble the filter screen before and after cleaning, which makes the filter screen cleaning process more troublesome. At the same time, when the filter screen is taken out of the filter device, impurities on the filter screen are often scattered on the ground, resulting in reduced cleanliness of the ground. A new vacuum pump oil filter device is proposed.

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

[0005] A novel vacuum pump oil filtering device comprises a vacuum pump body, the oil outlet end of the vacuum pump body is fixedly connected to an oil delivery pipe, the right end of the oil delivery pipe is fixedly connected to a filter box, the right side of the filter box is fixedly connected to an oil drain pipe, the inner wall of the filter box is fitted with a filter element, the front of the filter box is fixedly connected to a driving mechanism, the front and rear sides of the filter box are fixedly connected to fixing rings, the inner wall of the fixing ring is fixedly connected to a second bearing, the inner wall of the second bearing is fixedly connected to a pressing bracket, the inner wall of the pressing bracket is in contact with the upper surface of the filter element, the surface of the pressing bracket is fixedly connected to a worm gear, and the worm gear and the driving mechanism are meshed with each other.

[0006] Preferably, the filter element includes a T-shaped plate, the upper surface of the T-shaped plate contacts the inner wall of the pressing bracket, the bottom of the T-shaped plate is fixedly connected to a first connecting column, the bottom of the first connecting column is fixedly connected to a first filter net, the bottom of the first filter net is fixedly connected to a second connecting column, the bottom of the second connecting column is fixedly connected to a second filter net, and the surface of the T-shaped plate, the surface of the first filter net and the surface of the second filter net are all in contact with the inner wall of the filter box.

[0007] Preferably, the driving mechanism includes a stepper motor, the back side of the stepper motor is fixedly connected to the front side of the filter box, the output end of the stepper motor is fixedly connected to a first worm, the left side of the first worm is fixedly connected to a second worm, the surface of the second worm is fixedly connected to a first bearing, the surface of the first bearing and the front side of the filter box are fixedly connected to connecting blocks, and the first worm and the second worm are both meshed with the worm wheel.

[0008] Preferably, the bottom of the filter box is fixedly connected to a wastewater pipe, and the bottom end of the wastewater pipe is fixedly connected to a valve.

[0009] Preferably, the inner wall of the filter box, the upper surface of the first filter screen and the upper surface of the second filter screen are all fitted with a rectangular tube, and hollow iron blocks are fixedly connected to the left and right sides of the inner wall of the rectangular tube, the surface of the first connecting column and the surface of the second connecting column are in contact with the inner wall of the hollow iron block, the upper surface of the first filter screen, the upper surface of the second filter screen, the surface of the first connecting column and the surface of the second connecting column are all fixedly connected with a first magnetic ring, the upper surface of the first magnetic ring is in contact with the bottom of the hollow iron block, and the bottom of the T-shaped plate, the bottom of the first filter screen, the surface of the first connecting column and the surface of the second connecting column are all fixedly connected with a second magnetic ring.

[0010] Preferably, the suction force of the first magnetic ring on the hollow iron block is greater than the sum of the gravity of the rectangular tube and the hollow iron block, and the suction force of the second magnetic ring on the hollow iron block is greater than the sum of the gravity of the rectangular tube and the hollow iron block.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model is provided with a filter box, a filter element, a driving mechanism, a fixing ring, a second bearing, a pressing bracket and a worm gear, wherein when the stepping motor on the driving mechanism drives the first worm and the second worm to rotate, the pressing bracket can rotate with the second bearing as the center through the cooperation of the first worm, the second worm and the worm gear. At the same time, when the pressing bracket presses the filter element, the filter element is fixed in the filter box through the pressing bracket. When the pressing bracket is separated from the filter element, the filter element can be directly taken out of the filter box. Then, through the cooperation of the filter box, the filter element, the driving mechanism, the fixing ring, the second bearing, the pressing bracket and the worm gear, the filter element in the filter box can be automatically disassembled and assembled, thereby facilitating the user to clean the filter element.

[0013] (2) The utility model can fix the rectangular tube on the first filter screen or the second filter screen through the suction force of the first magnetic ring on the hollow iron block, and the rectangular tube can prevent impurities on the first filter screen or the second filter screen from being scattered. Furthermore, through the cooperation of the rectangular tube, the hollow iron block and the first magnetic ring, when the user takes the filter element out of the filter box, the impurities on the filter element will not be scattered on the ground. At the same time, when the hollow iron block contacts the second magnetic ring, the suction force of the second magnetic ring on the hollow iron block can fix the rectangular tube and separate the rectangular tube from the first filter screen or the second filter screen, so that the rectangular tube will not affect the cleaning of the first filter screen or the second filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model.

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle.

[0016] Figure 3 It is a front view of the structure of the utility model.

[0017] Figure 4 It is a front view of the filter element in the utility model.

[0018] Figure 5 for Figure 4 Cross-sectional view at BB in the middle.

[0019] Figure 6 It is a schematic diagram of the driving mechanism in the utility model.

[0020] Figure 7 It is a right side view of the pressing bracket in the utility model.

[0021] In the figure: 1. vacuum pump body; 2. oil delivery pipe; 3. filter box; 4. oil discharge pipe; 5. filter element; 51. T-shaped plate; 52. first connecting column; 53. first filter screen; 54. second connecting column; 55. second filter screen; 6. driving mechanism; 61. stepping motor; 62. first worm; 63. second worm; 64. first bearing; 65. connecting block; 7. fixing ring; 8. second bearing; 9. pressing bracket; 10. worm gear; 11. waste water pipe; 12. valve; 13. rectangular cylinder; 14. hollow iron block; 15. first magnetic ring; 16. second magnetic ring. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0024] Embodiment 1:

[0025] Reference Figure 1-7 A novel vacuum pump oil filtering device comprises a vacuum pump body 1, an oil outlet end of the vacuum pump body 1 is fixedly connected with an oil delivery pipe 2, the right end of the oil delivery pipe 2 is fixedly connected with a filter box 3, the right side of the filter box 3 is fixedly connected with an oil discharge pipe 4, a filter element 5 is fitted on the inner wall of the filter box 3, a driving mechanism 6 is fixedly connected to the front of the filter box 3, a fixing ring 7 is fixedly connected to the front and rear sides of the filter box 3, a second bearing 8 is fixedly connected to the inner wall of the fixing ring 7, a pressing bracket 9 is fixedly connected to the inner wall of the second bearing 8, the inner wall of the pressing bracket 9 is in contact with the upper surface of the filter element 5, and the pressing bracket 9 can be pressed with a first The two rotating shafts rotate around the center. When the pressing bracket 9 presses the filter element 5, the filter element 5 is fixed in the filter box 3 by pressing the bracket 9. When the pressing bracket 9 is separated from the filter element 5, the filter element 5 can be directly taken out from the filter box 3. The surface of the pressing bracket 9 is fixedly connected to a worm gear 10. The worm gear 10 and the driving mechanism 6 are meshed with each other. The bottom of the filter box 3 is fixedly connected to a waste water pipe 11. The bottom end of the waste water pipe 11 is fixedly connected to a valve 12. The switch of the waste water pipe 11 is controlled by the valve 12. When the valve 12 is opened, the waste water generated when cleaning the filter box 3 can be discharged through the waste water pipe 11.

[0026] The filter element 5 includes a T-shaped plate 51, the upper surface of the T-shaped plate 51 contacts the inner wall of the pressing bracket 9, the bottom of the T-shaped plate 51 is fixedly connected with a first connecting column 52, the bottom of the first connecting column 52 is fixedly connected with a first filter screen 53, the bottom of the first filter screen 53 is fixedly connected with a second connecting column 54, and the bottom of the second connecting column 54 is fixedly connected with a second filter screen 55. The surface of the T-shaped plate 51, the surface of the first filter screen 53 and the surface of the second filter screen 55 are all in contact with the inner wall of the filter box 3. When the T-shaped plate 51 contacts the filter box 3, the top of the filter box 3 is sealed by the T-shaped plate 51. The mesh diameter of the first filter screen 53 is larger than the mesh diameter of the second filter screen 55, and the oil is filtered through the first filter screen 53 and the second filter screen 55.

[0027] The driving mechanism 6 includes a stepper motor 61, the back of the stepper motor 61 is fixedly connected to the front of the filter box 3, the output end of the stepper motor 61 is fixedly connected to the first worm 62, the left side of the first worm 62 is fixedly connected to the second worm 63, the surface of the second worm 63 is fixedly connected to the first bearing 64, the surface of the first bearing 64 and the front of the filter box 3 are fixedly connected with a connecting block 65, the first worm 62 and the second worm 63 are both meshed with the worm wheel 10, when the stepper motor 61 drives the first worm 62 and the second worm 63 to rotate, through the cooperation of the first worm 62, the second worm 63 and the worm wheel 10, the two pressing brackets 9 rotate simultaneously and in opposite directions.

[0028] Embodiment 2:

[0029] Reference Figure 1-5 The inner wall of the filter box 3, the upper surface of the first filter screen 53 and the upper surface of the second filter screen 55 are all fitted with a rectangular tube 13, and the left and right sides of the inner wall of the rectangular tube 13 are fixedly connected with a hollow iron block 14. The surface of the first connecting column 52 and the surface of the second connecting column 54 are in contact with the inner wall of the hollow iron block 14. The upper surface of the first filter screen 53, the upper surface of the second filter screen 55, the surface of the first connecting column 52 and the surface of the second connecting column 54 are all fixedly connected with a first magnetic ring 15. The upper surface of the first magnetic ring 15 is in contact with the bottom of the hollow iron block 14. The bottom of the T-shaped plate 51, the bottom of the first filter screen 53, the surface of the first connecting column 52 and the surface of the second connecting column 54 are all fixedly connected with a second magnetic ring 16. The suction force of the first magnetic ring 15 on the hollow iron block 14 is greater than the sum of the gravity of the rectangular tube 13 and the hollow iron block 14, and the suction force of the second magnetic ring 16 on the hollow iron block 14 is greater than the sum of the gravity of the rectangular tube 13 and the hollow iron block 14.

[0030] Through the suction force of the first magnetic ring 15 on the hollow iron block 14, the rectangular tube 13 can be fixed on the first filter screen 53 or the second filter screen 55, and the rectangular tube 13 can prevent impurities on the first filter screen 53 or the second filter screen 55 from being scattered. Furthermore, through the cooperation of the rectangular tube 13, the hollow iron block 14 and the first magnetic ring 15, when the user takes the filter element 5 out of the filter box 3, the impurities on the filter element 5 will not be scattered on the ground. At the same time, when the hollow iron block 14 contacts the second magnetic ring 16, the suction force of the second magnetic ring 16 on the hollow iron block 14 can fix the rectangular tube 13 and separate the first filter screen 53 or the second filter screen 55 of the rectangular tube 13, so that the rectangular tube 13 will not affect the cleaning of the first filter screen 53 or the second filter screen 55.

[0031] In the present invention, when the user uses the device, the oil is passed through the oil delivery pipe 2 into the filter box 3 through the vacuum pump body 1, and then the oil is filtered in turn through the first filter screen 53 and the second filter screen 55, and the filtered oil is discharged through the oil discharge pipe 4. When the user needs to take out the filter element 5, the stepper motor 61 is first turned on, and then the first worm 62 and the second worm 63 are driven to rotate by the stepper motor 61, and the first worm 62, the second worm 63 and the worm wheel 10 cooperate to make the two pressing brackets 9 rotate simultaneously and in opposite directions. When the two pressing brackets 9 are separated from the T-shaped plate 51, the filter element 5 can be directly taken out from the filter box 3. When the filter element 5 needs to be installed, the filter element 5 is first placed in the filter box 3, and then the first worm 62 and the second worm 63 are driven to rotate by the stepper motor 61, and the two pressing brackets 9 are rotated simultaneously and in opposite directions through the cooperation of the first worm 62, the second worm 63 and the worm wheel 10. When the two pressing brackets 9 press the T-shaped plate 51, the filter element 5 can be fixed in the filter box 3 by pressing the brackets 9.

[0032] 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.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A novel vacuum pump oil filter device, comprising a vacuum pump body (1), characterized in that: The oil outlet end of the vacuum pump body (1) is fixedly connected to an oil delivery pipe (2), the right end of the oil delivery pipe (2) is fixedly connected to a filter box (3), the right side of the filter box (3) is fixedly connected to an oil discharge pipe (4), the inner wall of the filter box (3) is fitted with a filter element (5), the front of the filter box (3) is fixedly connected to a driving mechanism (6), the front and rear sides of the filter box (3) are fixedly connected to a fixing ring (7), the inner wall of the fixing ring (7) is fixedly connected to a second bearing (8), the inner wall of the second bearing (8) is fixedly connected to a pressing bracket (9), the inner wall of the pressing bracket (9) is in contact with the upper surface of the filter element (5), the surface of the pressing bracket (9) is fixedly connected to a worm gear (10), and the worm gear (10) and the driving mechanism (6) are meshed with each other.

2. A novel vacuum pump oil filter device according to claim 1, characterized in that: The filter element (5) comprises a T-shaped plate (51), the upper surface of the T-shaped plate (51) contacts the inner wall of the pressing bracket (9), the bottom of the T-shaped plate (51) is fixedly connected to a first connecting column (52), the bottom of the first connecting column (52) is fixedly connected to a first filter screen (53), the bottom of the first filter screen (53) is fixedly connected to a second connecting column (54), the bottom of the second connecting column (54) is fixedly connected to a second filter screen (55), and the surface of the T-shaped plate (51), the surface of the first filter screen (53) and the surface of the second filter screen (55) are all in contact with the inner wall of the filter box (3).

3. A novel vacuum pump oil filter device according to claim 1, characterized in that: The driving mechanism (6) comprises a stepper motor (61), the back side of the stepper motor (61) is fixedly connected to the front side of the filter box (3), the output end of the stepper motor (61) is fixedly connected to a first worm (62), the left side of the first worm (62) is fixedly connected to a second worm (63), the surface of the second worm (63) is fixedly connected to a first bearing (64), the surface of the first bearing (64) and the front side of the filter box (3) are both fixedly connected to a connecting block (65), and the first worm (62) and the second worm (63) are both meshed with the worm wheel (10).

4. A novel vacuum pump oil filter device according to claim 1, characterized in that: The bottom of the filter box (3) is fixedly connected to a wastewater pipe (11), and the bottom end of the wastewater pipe (11) is fixedly connected to a valve (12).

5. A novel vacuum pump oil filter device according to claim 2, characterized in that: The inner wall of the filter box (3), the upper surface of the first filter screen (53) and the upper surface of the second filter screen (55) are all fitted with a rectangular tube (13); the left and right sides of the inner wall of the rectangular tube (13) are fixedly connected with a hollow iron block (14); the surface of the first connecting column (52) and the surface of the second connecting column (54) are in contact with the inner wall of the hollow iron block (14); the upper surface of the first filter screen (53), the upper surface of the second filter screen (55), the surface of the first connecting column (52) and the surface of the second connecting column (54) are all fixedly connected with a first magnetic ring (15); the upper surface of the first magnetic ring (15) is in contact with the bottom of the hollow iron block (14); the bottom of the T-shaped plate (51), the bottom of the first filter screen (53), the surface of the first connecting column (52) and the surface of the second connecting column (54) are all fixedly connected with a second magnetic ring (16).

6. A novel vacuum pump oil filter device according to claim 5, characterized in that: The suction force of the first magnetic ring (15) on the hollow iron block (14) is greater than the sum of the gravity of the rectangular tube (13) and the hollow iron block (14), and the suction force of the second magnetic ring (16) on the hollow iron block (14) is greater than the sum of the gravity of the rectangular tube (13) and the hollow iron block (14).

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