CN210118453U

CN210118453U - Special sealing device for chemical pump

Info

Publication number: CN210118453U
Application number: CN201920653819.6U
Authority: CN
Inventors: 张豪伟; 张贤克
Original assignee: Tangshan Zhongtian Environmental Protection Technology Co Ltd
Current assignee: Shanghai Aizhi Fluid Equipment Co.,Ltd.
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-02-28
Anticipated expiration: 2029-05-08

Abstract

The utility model relates to the technical field of accessory devices of sealing elements, in particular to a special sealing device for a chemical pump; the abrasion of the sealing filler can be reduced, the service cycle of the sealing filler is effectively prolonged, frequent replacement is not needed, and the sealing filler is more practical; the novel oil filling device comprises a rotating shaft, a ball bearing, a shell, a first flange plate, a second flange plate, a plurality of groups of connecting bolts, a plurality of groups of connecting nuts and a gland, a plurality of groups of first bolt holes are formed in the first flange plate, a second bolt hole is formed in the second flange plate, a retainer ring is arranged in the shell, the novel oil filling device further comprises a first sealing filler ring, a second sealing filler ring, a third sealing filler ring, a fourth sealing filler ring, a containing oil tank and a pressure pump, the first sealing filler ring, the second sealing filler ring, a first opening is formed in the third sealing filler ring, a second opening is formed in the fourth sealing filler ring, a second opening is formed in the third sealing filler ring, a fourth opening is formed in the fourth sealing filler ring, an oil injection nozzle is arranged in the third opening, and a working chamber is formed in the containing oil.

Description

Special sealing device for chemical pump

Technical Field

The utility model relates to a sealing member auxiliary device's technical field especially relates to a special sealing device of chemical pump.

Background

The special sealing device for the chemical pump is a sealing device used for conveying the upper rotating shaft of the chemical fluid pump, and is widely used in the field of sealing elements; the existing sealing device special for the chemical pump comprises a rotating shaft, a ball bearing, a shell, a first flange plate, a second flange plate, a plurality of groups of connecting bolts, a plurality of groups of connecting nuts, a gland and sealing filler, wherein the ball bearing is arranged at the right part in the shell, the left end of the rotating shaft penetrates through the inside of the ball bearing from the right end of the ball bearing and penetrates out from the left end of the ball bearing, the right end of the first flange plate is connected with the left end of the gland, the second flange plate is sleeved on the shell, a plurality of groups of first bolt holes are formed in the first flange plate, a second bolt hole is formed in the second flange plate, the right ends of the plurality of groups of connecting bolts respectively penetrate through the plurality of groups of first bolt holes and the second bolt holes from the left end of the first flange plate and are inserted into the plurality of groups of connecting nuts, the right, the sealing packing is arranged between the gland and the baffle; when the sealing device special for the existing chemical pump is used, the gland presses the sealing filler by fastening the connecting bolt and the connecting nut, so that the rotating shaft is pressed tightly by the sealing filler to achieve the sealing effect; the special sealing device of current chemical pump discovers in using that friction is frequently sent out with the pivot to gland packing, causes the damage of packing, makes gland packing life cycle short, and wastes time and energy when changing gland packing, has certain use limitation.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a reducible gland packing's wearing and tearing effectively prolong gland packing life cycle, need not frequently change, more practical special sealing device of chemical pump.

The utility model relates to a sealing device special for a chemical pump, which comprises a rotating shaft, a ball bearing, a shell, a first flange plate, a second flange plate, a plurality of groups of connecting bolts, a plurality of groups of connecting nuts and a gland, the ball bearing is arranged at the right part in the shell, the left end of the rotating shaft penetrates through the ball bearing from the right end of the ball bearing and penetrates out of the ball bearing from the left end of the ball bearing, the right end of the first flange plate is connected with the left end of the gland, the second flange plate is sleeved on the shell, a plurality of groups of first bolt holes are arranged on the first flange plate, a second bolt hole is arranged on the second flange plate, the right ends of the plurality of groups of connecting bolts respectively penetrate through the plurality of groups of first bolt holes and the plurality of groups of second bolt holes from the left end of the first flange plate and are inserted into the plurality of groups of connecting nuts, the right end of the gland is inserted into the shell from the left end of the shell, and a check ring is arranged in the shell; the oil filling device further comprises a first sealing filler ring, a second sealing filler ring, a third sealing filler ring, a fourth sealing filler ring, an oil containing tank and a pressure pump, wherein the first sealing filler ring, the second sealing filler ring, the third sealing filler ring and the fourth sealing filler ring are arranged between a gland and a check ring, the right end of the gland is in close contact with the left end of the first sealing filler ring, the left end of the check ring is in close contact with the right end of the fourth sealing filler ring, the first sealing filler ring, the second sealing filler ring, the third sealing filler ring and the fourth sealing filler ring are respectively provided with a first opening, a second opening, a third opening and a fourth opening, oil injection nozzles are arranged in the first opening, the second opening, the third opening and the fourth opening, the top end of the oil containing tank is connected with the bottom end of the shell, the oil containing tank is internally provided with a working cavity, and the pressure pump is arranged at the bottom in the working cavity, the input ends of the four groups of oil injection nozzles are communicated with the output end of the pressure pump.

The utility model discloses a special sealing device of chemical pump, be provided with the ring channel in the pivot, keep off the snare and locate in the ring channel.

The utility model discloses a special sealing device of chemical pump, even crisscross distribution about first opening, second opening, third opening and fourth opening are.

The utility model discloses a special sealing device of chemical pump, the input of oiling shower nozzle is provided with the ooff valve.

The utility model discloses a special sealing device of chemical pump, the right-hand member top of flourishing oil tank is provided with the oil feed funnel, be provided with on the oil feed funnel and keep off the lid.

The utility model discloses a special sealing device of chemical pump, the right-hand member diapire of flourishing oil tank is provided with the blow-down pipe, be provided with the atmospheric valve on the blow-down pipe.

The utility model discloses a special sealing device of chemical pump, the front end of flourishing oil tank is provided with the viewing aperture, be provided with transparent baffle on the viewing aperture, be provided with the scale mark on the transparent baffle.

The utility model discloses a special sealing device of chemical pump, casing, retaining ring, pivot and gland are stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that: oil in will contain the oil tank is pressurized through the force (forcing) pump and is injected into first opening through four oiling shower nozzles respectively after, the second opening, third opening and fourth opening, oil is through first opening, the second opening, third opening and fourth opening enter into inside each gland packing circle, make pivot and each gland packing circle contact department lubricated, thereby the frictional force between pivot and each gland packing circle has been reduced, thereby the wearing and tearing of each gland packing circle have been reduced, effectively prolong gland packing life cycle, do not need frequently to change, and is more practical.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic diagram of the position structure of each packing ring of the present invention;

FIG. 3 is a schematic structural view of the front end of the oil tank of the present invention;

FIG. 4 is a schematic view of the distribution structure of the oil injection nozzle of the present invention;

in the drawings, the reference numbers: 1. a rotating shaft; 2. a ball bearing; 3. a housing; 4. a first flange plate; 5. a second flange plate; 6. a connecting bolt; 7. a connecting nut; 8. a gland; 9. a first bolt hole; 10. a second bolt hole; 11. a retainer ring; 12. a first packing ring; 13. a second packing ring; 14. a third packing ring; 15. a fourth packing ring; 16. an oil containing tank; 17. a pressure pump; 18. a first opening; 19. a second opening; 20. a third opening; 21. a fourth opening; 22. an oil injection nozzle; 23. an annular groove; 24. an on-off valve; 25. an oil inlet funnel; 26. a blocking cover; 27. an emptying pipe; 28. an atmospheric valve; 29. a viewing port; 30. scale lines are marked.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the sealing device for chemical pump of the present invention comprises a rotating shaft 1, a ball bearing 2, a housing 3, a first flange 4, a second flange 5, a plurality of sets of connecting bolts 6, a plurality of sets of connecting nuts 7 and a gland 8, wherein the ball bearing 2 is disposed at the right portion of the housing 3, the left end of the rotating shaft 1 penetrates through the ball bearing 2 from the right end of the ball bearing 2, and penetrates out from the left end of the ball bearing 2, the right end of the first flange 4 is connected with the left end of the gland 8, the second flange 5 is sleeved on the housing 3, the first flange 4 is provided with a plurality of sets of first bolt holes 9, the second flange 5 is provided with second bolt holes 10, the right ends of the plurality of sets of connecting bolts 6 respectively penetrate through the plurality of sets of first bolt holes 9 and the second bolt holes 10 from the left end of the first flange 4 and are inserted into the plurality of sets of connecting nuts 7, the right end of the gland 8, a check ring 11 is arranged in the shell 3; the oil filling device further comprises a first sealing packing ring 12, a second sealing packing ring 13, a third sealing packing ring 14, a fourth sealing packing ring 15, an oil containing tank 16 and a pressure pump 17, wherein the first sealing packing ring 12, the second sealing packing ring 13, the third sealing packing ring 14 and the fourth sealing packing ring 15 are arranged between the gland 8 and the retainer ring 11, the right end of the gland 8 is tightly contacted with the left end of the first sealing packing ring 12, the left end of the retainer ring 11 is tightly contacted with the right end of the fourth sealing packing ring 15, the first sealing packing ring 12, the second sealing packing ring 13, the third sealing packing ring 14 and the fourth sealing packing ring 15 are respectively provided with a first opening 18, a second opening 19, a third opening 20 and a fourth opening 21, the first opening 18, the second opening 19, the third opening 20 and the fourth opening 21 are respectively internally provided with an oil injection nozzle 22, the top end of the oil containing tank 16 is connected with the bottom end of the shell 3, a working cavity is arranged in the oil containing tank 16, the pressure pump 17 is arranged at the bottom in the working cavity, and the input ends of the four groups of oil injection nozzles 22 are all communicated with the output end of the pressure pump 17; oil in will contain the oil tank is pressurized through the force (forcing) pump and is injected into first opening through four oiling shower nozzles respectively after, the second opening, third opening and fourth opening, oil is through first opening, the second opening, third opening and fourth opening enter into inside each gland packing circle, make pivot and each gland packing circle contact department lubricated, thereby the frictional force between pivot and each gland packing circle has been reduced, thereby the wearing and tearing of each gland packing circle have been reduced, effectively prolong gland packing life cycle, do not need frequently to change, and is more practical.

The utility model discloses a special sealing device for a chemical pump, a ring groove 23 is arranged on a rotating shaft 1, and a retainer ring 11 is sleeved in the ring groove 23; the annular groove and the check ring are matched with each other, so that the chemical fluid can be reduced to pass through, the leakage of the chemical fluid is reduced, and the tightness of the device is stronger.

The utility model relates to a special sealing device for a chemical pump, a first opening 18, a second opening 19, a third opening 20 and a fourth opening 21 are evenly distributed in a staggered way from top to bottom and from left to right; the poor distribution can reduce the exposure of chemical fluid and make the device more tight.

In the sealing device special for the chemical pump, the input end of the oil injection nozzle 22 is provided with the switch valve 24; the switch valve can keep the pressure in the shell constant when the device is not filled with oil, thereby reducing the leakage of chemical fluid.

The utility model discloses a special sealing device for a chemical pump, wherein an oil inlet funnel 25 is arranged at the top of the right end of an oil containing tank 16, and a baffle cover 26 is arranged on the oil inlet funnel 25; the oil can be filled into the oil containing tank more conveniently through the feeding hopper.

The utility model discloses a special sealing device for a chemical pump, a vent pipe 27 is arranged on the bottom wall of the right end of an oil containing tank 16, and a vent valve 28 is arranged on the vent pipe 27; when equipment is out of service, the oil containing tank can be emptied through the emptying pipe, and the operation is more convenient and faster.

The utility model discloses a special sealing device for a chemical pump, the front end of an oil containing tank 16 is provided with an observation port 29, a transparent baffle is arranged on the observation port 29, and the transparent baffle is provided with scale marks 30; the liquid level of the oil containing tank can be more visually and clearly connected through the observation port, and the liquid level can be timely supplemented when being lower, so that the liquid level meter is more convenient and faster.

The utility model discloses a special sealing device for a chemical pump, wherein a shell 3, a retainer ring 11, a rotating shaft 1 and a gland 8 are all made of stainless steel; stainless steel materials are not easy to rust, corrosion resistant cavities are formed, and the service life is longer.

The utility model discloses a special sealing device of chemical pump, it is at work, before accomplishing above-mentioned action, at first remove it to the position that the user needed, with force (forcing) pump and commercial power connection and start, pressurize the oil in the fuel-containing tank through the force (forcing) pump and pour into first opening, second opening, third opening and fourth opening through four groups of oiling shower nozzles respectively, oil gets into each packing ring inside through first opening, second opening, third opening and fourth opening, make pivot and each packing ring contact department lubricated, thereby reduced the frictional force between pivot and each packing ring, thereby reduced the wearing and tearing of each packing ring, effectively prolong the packing life cycle, do not need frequently to change, it is more practical, can reduce the chemical fluid through ring channel and retaining ring phase agree with each other and pass through, thereby reduced the outer hourglass of chemical fluid, make the tightness of device stronger, reducible chemical fluid exposes through relatively poor distribution, make the device more tight, can make casing internal pressure keep invariable when not carrying out the oiling to the device in through the ooff valve, thereby reduce the external leakage of chemical fluid, can be more convenient carry out the oiling to flourishing oil tank in through feed hopper, when equipment was out of service, can empty the flourishing oil tank through the blow-down pipe, more convenient and fast, can more directly perceived clear connect the liquid level of flourishing oil tank through the viewing aperture, can in time replenish when the liquid level is lower, more convenient and fast, stainless steel matter is difficult for rustting, the corrosion resistance chamber, long service life is longer.

The utility model discloses a special sealing device of chemical pump, the force (forcing) pump is bought to the force (forcing) pump carries out the electricity through the instruction manual of buying together and connects.

The utility model discloses a special sealing device of chemical pump, above the mounting means, the connected mode or the mode that sets up of all parts are common mechanical type to the concrete structure, model and the coefficient index of all its parts are its from taking the technique, as long as can reach all can implementing of its beneficial effect, so do not add at much and give unnecessary details.

The sealing device for chemical pump of the present invention, without being described to the contrary, the terms of "up, down, left, right, front, back, inside, outside, vertical and horizontal" and the like included in the terms only represent the orientation of the term in the normal use state, or are common names understood by those skilled in the art, and should not be considered as limiting the term, meanwhile, the series of terms such as "first", "second" and "third" do not represent specific quantity and sequence, and are only used for name differentiation.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a special sealing device of chemical pump, includes pivot (1), ball bearing (2), casing (3), first ring flange (4), second ring flange (5), multiunit connecting bolt (6), multiunit coupling nut (7) and gland (8), ball bearing (2) set up right part in casing (3), the left end of pivot (1) passes ball bearing (2) from the right-hand member of ball bearing (2) inside and wears out from the left end of ball bearing (2), the right-hand member of first ring flange (4) is connected with the left end of gland (8), second ring flange (5) cover is located on casing (3), be provided with multiunit first bolt hole (9) on first ring flange (4), be provided with second bolt hole (10) on second ring flange (5), the right-hand member of multiunit connecting bolt (6) passes multiunit first bolt hole (9) and second bolt hole (10) from the left end of first ring flange (4) respectively The right end of the gland (8) is inserted into the shell (3) from the left end of the shell (3), and a check ring (11) is arranged in the shell (3); the oil tank is characterized by further comprising a first sealing packing ring (12), a second sealing packing ring (13), a third sealing packing ring (14), a fourth sealing packing ring (15), an oil containing tank (16) and a pressure pump (17), wherein the first sealing packing ring (12), the second sealing packing ring (13), the third sealing packing ring (14) and the fourth sealing packing ring (15) are arranged between a gland (8) and a check ring (11), the right end of the gland (8) is tightly contacted with the left end of the first sealing packing ring (12), the left end of the check ring (11) is tightly contacted with the right end of the fourth sealing packing ring (15), and a first opening (18), a second opening (19), a third opening (20) and a fourth opening (21) are respectively arranged on the first sealing packing ring (12), the second sealing packing ring (13), the third sealing packing ring (14) and the fourth sealing packing ring (15), all be provided with oiling shower nozzle (22) in first opening (18), second opening (19), third opening (20) and fourth opening (21), the top of flourishing oil tank (16) is connected with the bottom of casing (3), be provided with the working chamber in the flourishing oil tank (16), force (forcing) pump (17) set up in the working chamber bottom, the input of four groups of oiling shower nozzles (22) all communicates with the output of force (forcing) pump (17).

2. The sealing device special for the chemical pump, as set forth in claim 1, characterized in that the rotating shaft (1) is provided with an annular groove (23), and the retainer ring (11) is sleeved in the annular groove (23).

3. The sealing device special for the chemical pump, as set forth in claim 2, characterized in that the first opening (18), the second opening (19), the third opening (20) and the fourth opening (21) are uniformly staggered from top to bottom and from left to right.

4. The sealing device special for the chemical pump, as set forth in claim 3, characterized in that the input end of the oil injection nozzle (22) is provided with a switch valve (24).

5. The sealing device special for the chemical pump, as set forth in claim 4, characterized in that an oil inlet funnel (25) is arranged at the top of the right end of the oil containing tank (16), and a blocking cover (26) is arranged on the oil inlet funnel (25).

6. The sealing device special for the chemical pump, as set forth in claim 5, characterized in that a vent pipe (27) is arranged on the bottom wall of the right end of the oil containing tank (16), and a vent valve (28) is arranged on the vent pipe (27).

7. The sealing device special for the chemical pump according to claim 6, wherein an observation port (29) is arranged at the front end of the oil containing tank (16), a transparent baffle plate is arranged on the observation port (29), and scale marks (30) are arranged on the transparent baffle plate.

8. The sealing device special for the chemical pump according to claim 7, wherein the housing (3), the retainer ring (11), the rotating shaft (1) and the gland (8) are all made of stainless steel.