CN214247607U - Circulating filtering mechanism for vacuum pump - Google Patents

Abstract

The utility model discloses a circulating filter mechanism for vacuum pump, including connecting pipe and rose box, dust collecting chamber has been seted up to the inside bottom of rose box, and the one side of dust collecting chamber bottom has seted up the dust exhaust mouth, the dust exhaust mouth has been seted up to the inside annular of rose box on dust collecting chamber top, and the inside of clean structure setting at dust collecting chamber, the inside dust screen that is provided with of rose box of dust collecting chamber top, and prevent that stifled structure sets up the upper end inside the rose box, the air intake has been seted up to the lower extreme annular on rose box surface, and the vertical connecting pipe of installing of intermediate position department on rose box top, the mounting groove is installed on the top of connecting pipe, and the mounting structure setting is in the inside of mounting groove. The utility model discloses a set up flexible arch and driving lever, utilize driving lever discontinuity striking flexible arch, realize the vibrations screening of dust screen, avoid the too much adhesion of dust on the dust screen surface, cause its jam, and then influence subsequent air inlet speed.

Description

Circulating filtering mechanism for vacuum pump

Technical Field

The utility model relates to a vacuum pump technical field specifically is a circulating filtration mechanism for vacuum pump.

Background

The vacuum pump is a device or equipment for obtaining vacuum by pumping a pumped container by using a mechanical, physical, chemical or physicochemical method, and is widely applied in current industrial production and daily life, but in order to ensure normal work, gas of the vacuum pump must be filtered to prevent impurities from entering the interior of a pump body, but the existing circulating filtering mechanism for the vacuum pump has many problems or defects:

first, the traditional circulating filter mechanism for vacuum pump does not have anti-blocking structure during use, and the dust is easy to be blocked by impurity, reduces air inlet efficiency.

Second, the traditional circulating filter mechanism for vacuum pump does not have the clearance structure of being convenient for during the use, and the back is piled up to the inside dust in dust collection chamber, and the clearance is comparatively loaded down with trivial details.

Thirdly, the traditional circulating filter mechanism for the vacuum pump has no mounting structure when in use, and cannot be well connected with the air inlet end of the pump body.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a circulating and filtering mechanism for vacuum pump to solve the inconvenient problem of preventing stifled, inconvenient clearance and inconvenient installation that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a circulating filter mechanism for a vacuum pump comprises a connecting pipe, a filter box, an installation structure convenient for being connected with a pump body pipeline, a cleaning structure convenient for cleaning dust and an anti-blocking structure for avoiding blockage;

the bottom end of the interior of the filter box is provided with a dust collecting cavity, one side of the bottom end of the dust collecting cavity is provided with a dust exhaust port, the interior of the filter box at the top end of the dust collecting cavity is annularly provided with a dust falling port, and the cleaning structure is arranged in the dust collecting cavity;

a dust screen is arranged in the filter box above the dust collection cavity, and the anti-blocking structure is arranged at the upper end in the filter box;

the air intake has been seted up to the lower extreme annular on rose box surface, and the vertical connecting pipe of installing in intermediate position department on rose box top, the mounting groove is installed on the top of connecting pipe, and mounting structure sets up the inside at the mounting groove.

Preferably, prevent that stifled structure includes the sliding tray, the upper end at the rose box inside is installed to angles such as sliding tray, and the inside one end of sliding tray installs buffer spring, the inside sliding connection of sliding tray of buffer spring one end has protruding type slider, and the bottom and the dust screen top welding of protruding type slider, the inside vertical rotation of dust screen on dust collection chamber top is connected with the bull stick, and the surperficial annular of bull stick installs the fin, the driving lever is transversely installed to one side on bull stick top, and the inside upper end annular of dust screen install with driving lever matched with flexible arch.

Preferably, mounting structure includes pole piece, positive and negative threaded rod, install bin, connecting rod and arc, the upper end at the inside one end of mounting groove is installed to the install bin, and the inside transverse rotation of install bin is connected with the positive and negative threaded rod that extends to the mounting groove outside, the inside threaded connection of install bin of positive and negative threaded rod surface both sides has the pole piece, and pole piece one end installs the connecting rod that extends to the mounting groove inside, the arc is installed to the one end of connecting rod.

Preferably, a sealing ring is mounted at the upper end inside the connecting pipe, and the sealing ring is in a circular truncated cone shape.

Preferably, clean structure includes pin, pull rod, cleaning strip, cleaning plate, fixed spring and clean frame, one side that the dust collecting chamber is close to the dust exhaust mouth transversely is provided with the pull rod, and pull rod one side extends to the dust collecting chamber inside and installs cleaning plate, fixed spring is all installed to the inside top of cleaning plate and bottom, and fixed spring one end installs the cleaning frame that extends to the cleaning plate outside, cleaning frame keeps away from the one end of cleaning plate and installs cleaning strip, and the upper end of cleaning plate one side transversely installs the pin.

Preferably, be welding integral structure between the upper end of pin one side and cleaning plate one side, and the length of pin is greater than the width of dust exhaust mouth.

Preferably, the filter box on both sides of the top end of the dust collection chamber is internally provided with a flow guide block, and the inclination angle of the flow guide block and the horizontal direction is 50 degrees.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through the arrangement of the flexible protrusions, the shifting rod and the sliding groove, impurities such as dust in fresh air are filtered through the dustproof net, and meanwhile, when air passes through the dustproof net to move upwards, the upward moving force can drive the rotating rod to rotate through the fins, then the shifting rod is driven to rotate, the flexible protrusions are impacted discontinuously, the convex sliding blocks are driven by the dustproof net to slide to compress or stretch the buffer springs, vibration screening of the dustproof net is achieved, excessive dust is prevented from being adhered to the surface of the dustproof net to cause blockage of the dustproof net, the subsequent air inlet speed is further influenced, and the trouble of frequent cleaning of workers is avoided;

(2) through the arrangement of the flow guide block, the cleaning structure and the dust collection cavity, dust falling by vibration falls into the dust collection cavity through the dust falling port, the inclined flow guide block is arranged, the dust falling speed can be improved, the pull rod can be pulled regularly, the cleaning plate slides towards the dust exhaust port, meanwhile, under the elastic action of the fixed spring, the cleaning strip is always attached to the top end and the bottom end inside the dust collection cavity through the cleaning frame, the cleaning effect is ensured, then, the dust is pushed to the dust exhaust port through the movement of the cleaning plate to be exhausted, the dust centralized processing efficiency is improved, and the labor amount of workers is reduced;

(3) through being provided with mounting structure, sealing washer and mounting groove, inside the pipeline card with vacuum pump input port goes into the connecting pipe, simultaneously through the sealing washer that sets up the round platform type, can improve the leakproofness of being connected between pipeline and the connecting pipe, later rotate positive and negative threaded rod through the rocking handle, utilize the cooperation of positive and negative threaded rod and pole piece, make the connecting rod drive the arc and remove toward the pipeline direction, and then firmly grasp the pipeline, realize the installation of being connected between rose box and the pipeline, avoid traditional mode installation fixed loaded down with trivial details, improve the efficiency of pipe connection.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic top view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the front view of the present invention;

fig. 4 is an enlarged schematic structural view of the cleaning structure of the present invention.

In the figure: 1. a mounting structure; 101. a rod block; 102. a positive and negative threaded rod; 103. installing a box; 104. a connecting rod; 105. an arc-shaped plate; 2. a connecting pipe; 3. a filter box; 4. a buffer spring; 5. a flexible protrusion; 6. a fin; 7. an air inlet; 8. a flow guide block; 9. cleaning the structure; 901. a stop lever; 902. a pull rod; 903. a cleaning strip; 904. cleaning the plate; 905. fixing the spring; 906. a cleaning frame; 10. a dust collection chamber; 11. a dust falling port; 12. a dust exhaust port; 13. a dust screen; 14. a rotating rod; 15. a deflector rod; 16. a convex slider; 17. a sliding groove; 18. a seal ring; 19. and (4) mounting the groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a circulating filter mechanism for a vacuum pump includes a connecting pipe 2 and a filter box 3, and further includes an installation structure 1 convenient for connecting with a pump body pipeline, a cleaning structure 9 convenient for cleaning dust, and an anti-blocking structure for avoiding blockage;

the bottom end of the interior of the filter box 3 is provided with a dust collecting cavity 10, one side of the bottom end of the dust collecting cavity 10 is provided with a dust exhaust port 12, the interior of the filter box 3 at the top end of the dust collecting cavity 10 is annularly provided with a dust falling port 11, and the cleaning structure 9 is arranged in the interior of the dust collecting cavity 10;

a dust screen 13 is arranged in the filter box 3 above the dust collection chamber 10, and an anti-blocking structure is arranged at the upper end in the filter box 3;

an air inlet 7 is annularly formed in the lower end of the surface of the filter box 3, a connecting pipe 2 is vertically installed in the middle of the top end of the filter box 3, an installation groove 19 is installed at the top end of the connecting pipe 2, and the installation structure 1 is arranged inside the installation groove 19;

referring to fig. 1-4, a circulating filter mechanism for a vacuum pump further comprises an anti-blocking structure, the anti-blocking structure comprises a sliding chute 17, the sliding chute 17 is mounted at the upper end inside the filter box 3 at equal angles, a buffer spring 4 is mounted at one end inside the sliding chute 17, a convex slider 16 is slidably connected inside the sliding chute 17 at one end of the buffer spring 4, the bottom end of the convex slider 16 is welded with the top end of a dust screen 13, a rotating rod 14 is vertically and rotatably connected inside the dust screen 13 at the top end of a dust collection cavity 10, fins 6 are annularly mounted on the surface of the rotating rod 14, a shift lever 15 is transversely mounted on one side of the top end of the rotating rod 14, and a flexible protrusion 5 matched with the shift lever 15 is annularly mounted at the upper end inside the dust screen 13;

the filter box 3 on the two sides of the top end of the dust collection cavity 10 is internally provided with a flow guide block 8, and the inclination angle of the flow guide block 8 and the horizontal direction is 50 degrees;

specifically, as shown in fig. 1 and 2, filter impurities such as dust in the new trend through dust screen 13, simultaneously when the air passes dust screen 13 rebound, rebound's power can drive bull stick 14 through fin 6 and rotate, then drive driving lever 15 and rotate, discontinuity striking flexible protrusion 5, and drive protruding type slider 16 through dust screen 13 and slide compression or tensile buffer spring 4, realize the vibrations screening of dust screen 13, avoid the too much adhesion of dust on dust screen 13 surface, cause its jam, and set up the water conservancy diversion piece 8 of slope, can improve the dust rate of dropping.

Example 2: the mounting structure 1 comprises a rod block 101, a positive and negative threaded rod 102, a mounting box 103, a connecting rod 104 and an arc-shaped plate 105, wherein the mounting box 103 is mounted at the upper end of one end inside the mounting groove 19, the positive and negative threaded rod 102 extending to the outside of the mounting groove 19 is transversely and rotatably connected inside the mounting box 103, the rod block 101 is in threaded connection inside the mounting box 103 on two sides of the surface of the positive and negative threaded rod 102, the connecting rod 104 extending to the inside of the mounting groove 19 is mounted at one end of the rod block 101, and the arc-shaped plate 105 is mounted at one end of the connecting rod 104;

a sealing ring 18 is arranged at the upper end inside the connecting pipe 2, and the shape of the sealing ring 18 is a circular truncated cone;

specifically, as shown in fig. 1, fig. 2 and fig. 3, inside the pipeline card of vacuum pump input port goes into connecting pipe 2, simultaneously through the sealing washer 18 that sets up the round platform type, can improve the leakproofness of being connected between pipeline and the connecting pipe 2, later rotate positive and negative threaded rod 102 through the rocking handle, utilize the cooperation of positive and negative threaded rod 102 and pole piece 101, make connecting rod 104 drive arc 105 and remove toward the direction of pipe, and then firmly grasp the pipeline, realize the installation of being connected between rose box 3 and the pipeline, avoid traditional mode installation fixed loaded down with trivial details.

Example 3: the cleaning structure 9 comprises a stop lever 901, a pull rod 902, a cleaning strip 903, a cleaning plate 904, a fixed spring 905 and a cleaning frame 906, wherein the pull rod 902 is transversely arranged on one side of the dust collection cavity 10 close to the dust discharge port 12, one side of the pull rod 902 extends into the dust collection cavity 10 and is provided with the cleaning plate 904, the fixed spring 905 is arranged at the top end and the bottom end of the interior of the cleaning plate 904, the cleaning frame 906 extending to the exterior of the cleaning plate 904 is arranged at one end of the fixed spring 905, the cleaning strip 903 is arranged at one end of the cleaning frame 906 far away from the cleaning plate 904, and the stop lever 901 is transversely arranged at the upper end of one side of the cleaning plate 904;

one side of the baffle 901 and the upper end of one side of the cleaning plate 904 are in a welding integrated structure, and the length of the baffle 901 is greater than the width of the dust exhaust port 12;

specifically, as shown in fig. 1, 2, 3 and 4, the dust dropped by vibration falls into the dust collecting cavity 10 through the dust falling port 11, the pull rod 902 can be pulled regularly, so that the cleaning plate 904 slides towards the dust discharging port 12, and meanwhile, under the elastic action of the fixing spring 905, the cleaning strip 903 is always tightly attached to the top end and the bottom end inside the dust collecting cavity 10 through the cleaning frame 906, so that the cleaning effect is ensured, then, the dust is pushed towards the dust discharging port 12 through the movement of the cleaning plate 904 for discharging, and the blocking rod 901 is arranged, so that the cleaning plate 904 can be prevented from moving onto the dust discharging port 12, the cleaning strip 903 and the cleaning frame 906 are popped into the dust discharging port 12, and the subsequent use is influenced.

The working principle is as follows: when the device is used, a pipeline at the input port of the vacuum pump is clamped into the connecting pipe 2, meanwhile, the sealing performance of the connection between the pipeline and the connecting pipe 2 can be improved by arranging the circular truncated cone-shaped sealing ring 18, then the positive and negative threaded rod 102 is rotated by the rocking handle, and the connecting rod 104 drives the arc-shaped plate 105 to move towards the pipeline direction by utilizing the matching of the positive and negative threaded rod 102 and the rod block 101, so that the pipeline is firmly clamped, and the connection and installation between the filter box 3 and the pipeline are realized;

then, a vacuum pump is started, so that negative pressure is generated inside the filter box 3, fresh air is sucked in through the air inlet 7, impurities such as dust in the fresh air are filtered through the dust screen 13, filtered air enters the vacuum pump again, and meanwhile when the air passes through the dust screen 13 and moves upwards, the upward movement force can drive the rotating rod 14 to rotate through the fin 6, and then the driving rod 15 is driven to rotate, the flexible protrusion 5 is impacted discontinuously, so that the dust screen 13 vibrates, and the convex sliding block 16 is driven to slide in the sliding groove 17 to compress or stretch the buffer spring 4, so that vibration screening of the dust screen 13 is realized, and excessive dust is prevented from being adhered to the surface of the dust screen 13 to cause blockage of the dust screen;

meanwhile, the fallen dust falls into the dust collection cavity 10 through the dust falling port 11, and the inclined flow guide block 8 is arranged, so that the falling speed of the dust can be improved, after the filter box 3 is used for a period of time, the pull rod 902 can be pulled, the cleaning plate 904 slides towards the direction of the dust discharge port 12 inside the dust collection cavity 10, and meanwhile, under the elastic action of the fixing spring 905, the cleaning strip 903 is enabled to be always attached to the top end and the bottom end inside the dust collection cavity 10 through the cleaning frame 906, so that the cleaning effect is guaranteed, then, the dust is pushed towards the dust discharge port 12 through the movement of the cleaning plate 904, meanwhile, the stop lever 901 is arranged, the cleaning plate 904 can be prevented from moving to the dust discharge port 12, the cleaning strip 903 and the cleaning frame 906 are popped out to the inside the dust discharge port 12, and subsequent use is influenced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A circulating filter mechanism for a vacuum pump, comprising a connecting pipe (2) and a filter box (3), characterized in that: the device also comprises a mounting structure (1) convenient for being connected with a pump body pipeline, a cleaning structure (9) convenient for cleaning dust and an anti-blocking structure for avoiding blockage;

the bottom end of the interior of the filter box (3) is provided with a dust collecting cavity (10), one side of the bottom end of the dust collecting cavity (10) is provided with a dust discharging port (12), the interior of the filter box (3) at the top end of the dust collecting cavity (10) is annularly provided with a dust falling port (11), and the cleaning structure (9) is arranged in the interior of the dust collecting cavity (10);

a dust screen (13) is arranged in the filter box (3) above the dust collection cavity (10), and the anti-blocking structure is arranged at the upper end in the filter box (3);

air intake (7) have been seted up to the lower extreme annular on rose box (3) surface, and the intermediate position department on rose box (3) top vertically installs connecting pipe (2), mounting groove (19) are installed on the top of connecting pipe (2), and mounting structure (1) sets up the inside at mounting groove (19).

2. A recirculation filter unit for a vacuum pump according to claim 1, characterized in that: prevent stifled structure and include sliding tray (17), the upper end at rose box (3) inside is installed to angles such as sliding tray (17), and sliding tray (17) inside one end installs buffer spring (4), the inside sliding connection of sliding tray (17) of buffer spring (4) one end has protruding type slider (16), and the bottom and dust screen (13) top welding of protruding type slider (16), the inside vertical rotation of dust screen (13) on dust collection chamber (10) top is connected with bull stick (14), and the surperficial annular of bull stick (14) installs fin (6), driving lever (15) are transversely installed to one side on bull stick (14) top, and the inside upper end annular of dust screen (13) install with driving lever (15) matched with flexible arch (5).

3. A recirculation filter unit for a vacuum pump according to claim 1, characterized in that: mounting structure (1) includes pole piece (101), positive and negative threaded rod (102), install bin (103), connecting rod (104) and arc (105), install bin (103) are installed in the upper end of the inside one end of mounting groove (19), and install bin (103) inside transverse rotation is connected with and extends to the outside positive and negative threaded rod (102) of mounting groove (19), install bin (103) internal thread of positive and negative threaded rod (102) surface both sides has pole piece (101), and pole piece (101) one end installs and extends to inside connecting rod (104) of mounting groove (19), arc (105) are installed to the one end of connecting rod (104).

4. A recirculation filter unit for a vacuum pump according to claim 1, characterized in that: and a sealing ring (18) is installed at the upper end inside the connecting pipe (2), and the sealing ring (18) is in a circular truncated cone shape.

5. A recirculation filter unit for a vacuum pump according to claim 1, characterized in that: clean structure (9) are including pin (901), pull rod (902), clean strip (903), clean board (904), fixed spring (905) and cleaning frame (906), one side that dust collecting cavity (10) is close to dust exhaust mouth (12) transversely is provided with pull rod (902), and pull rod (902) one side extends to inside and install clean board (904) of dust collecting cavity (10), fixed spring (905) are all installed to the inside top and the bottom of clean board (904), and fixed spring (905) one end is installed and is extended to outside clean frame (906) of clean board (904), clean strip (903) are installed to the one end that clean board (904) were kept away from in clean frame (906), and pin (901) are transversely installed to the upper end of clean board (904) one side.

6. A recirculation filter unit for a vacuum pump according to claim 5, characterized in that: the upper end of one side of the blocking rod (901) and the upper end of one side of the cleaning plate (904) are in a welding integrated structure, and the length of the blocking rod (901) is greater than the width of the dust exhaust port (12).

7. A recirculation filter unit for a vacuum pump according to claim 1, characterized in that: the filter box (3) on the two sides of the top end of the dust collection cavity (10) is internally provided with a flow guide block (8), and the inclination angle of the flow guide block (8) and the horizontal direction is 50 degrees.

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