CN219691743U - Sealed internal engagement mute pump - Google Patents

Abstract

The utility model belongs to the technical field of mute pumps, and particularly relates to a sealed internal meshing mute pump which comprises a pump body, wherein an oil injection mechanism is arranged on an oil inlet pipe and comprises a miniature motor, an auger, a first bevel gear, an oil injection cylinder, a fixed disk, a filter screen, a fixed rod, a rotating rod, a second bevel gear, a sliding block, an elastic piece and a scraping plate. According to the utility model, through the sealing ring arranged on the end cover, sealing treatment can be carried out between the end cover and the pump body so as to improve the sealing effect of the mute pump, oil can be added into the oil inlet pipe through the arrangement of the oil injection cylinder, impurities can be filtered out of the oil under the action of the filter screen, friction noise can be reduced under the action of the oil, the oil can be pushed by driving the auger to rotate through the motor, normal injection of the oil is further ensured, and impurities attached to the filter screen can be cleaned under the action of structures such as the bevel gear I, the bevel gear II, the rotating rod, the scraping plate and the like, so that the blocking problem of the filter screen is avoided.

Description

Sealed internal engagement mute pump

Technical Field

The utility model relates to the technical field of silent pumps, in particular to a sealed internal engagement silent pump.

Background

Gear pumps are well known as one of the water pumps, and are machines for transporting or pressurizing liquids, mainly for transporting water, oil, acid-alkali solutions, emulsions, suspoemulsions, liquid metals, etc., and also for transporting liquids, gas mixtures and liquids containing suspended solids.

The utility model discloses a low-noise internal gear pump in the patent with the publication number of CN212536058U, and belongs to the technical field of gear pumps. The novel hydraulic pump mainly comprises a pump shell, an inner gear ring, a crescent plate, a gear, a rotating shaft, a front end cover and a rear end cover, wherein an annular sliding groove is formed in the inner side wall of the pump shell, a gap is formed between the pump shell and the inner gear ring, an arc-shaped baffle plate is arranged on the inner side face of the pump shell, the gap is divided into a liquid inlet gap and a liquid outlet gap by the two arc-shaped baffle plates, the annular sliding block which is arranged in the annular sliding groove in a sliding mode is sleeved on the inner gear ring, a first groove is formed in one end of the crescent plate, a second groove is formed in the other end of the crescent plate, a first compensation block is arranged in the first groove, an extension spring is arranged at the bottom of the first groove, a second compensation block is arranged in the second groove, and a compression spring is arranged at the bottom of the second groove. The low-noise internal gear pump solves the problems that the outer surface of the inner gear ring is influenced by impurities and can generate running noise and abrasion, and the vibration and the noise generated when the gear pump is just started are improved.

However, the existing sealed internal engaged silent pump also has certain defects, and the existing sealed internal engaged silent pump does not have a good oiling mechanism, is difficult to filter and clean impurities of oil, and is inconvenient for long-term use of a pump body.

Disclosure of Invention

The utility model aims to provide a sealed type internal engaged silent pump, which solves the problems that the existing sealed type internal engaged silent pump does not have a good oiling mechanism, is difficult to filter and clean impurities of oil, and is inconvenient for long-term use of a pump body.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealed type internal engagement silent pump, includes the pump body, be provided with into oil pipe on the pump body, be provided with out oil pipe on the pump body, it is provided with oiling mechanism to advance oil pipe on, oiling mechanism includes micro motor, auger, bevel gear one, annotates oily section of thick bamboo, fixed disk, filter screen, dead lever, dwang, bevel gear two, slider, elastic component and scraper blade, the contact has the end cover on the pump body, be provided with the axis of rotation on end cover and the pump body jointly, fixedly connected with sealing ring on the end cover, the sealing ring rotates with the axis of rotation to be connected, sealing ring and pump body contact.

Preferably, the miniature motor is fixedly installed on the oil inlet pipe, the output shaft of the miniature motor is rotationally connected with the oil inlet pipe, the auger is fixedly connected with the output shaft of the miniature motor, the auger is in contact with the oil inlet pipe, and oil can be pushed to effectively move through the arrangement of the miniature motor and the auger, so that the pump body is subjected to oiling treatment.

Preferably, the bevel gear I has been cup jointed in the fixed outside of the output shaft of micro motor, fixedly connected with oiling section of thick bamboo on the oil feed pipe, fixedly connected with fixed disk in the oiling section of thick bamboo, fixedly connected with filter screen in the fixed disk, fixedly connected with dead lever in the oiling section of thick bamboo, install the dwang through the bearing in the dead lever, the dwang rotates with the fixed disk to be connected, bevel gear II has been cup jointed in the fixed outside of dwang, bevel gear II meshes with bevel gear I, through the meshing relation of bevel gear II and bevel gear I for when bevel gear I atress rotated, can drive bevel gear II and rotate, and then drive the dwang and rotate.

Preferably, the sliding connection has the slider in the dwang, it has the elastic component to bond on the slider, the other end and the dwang bonding of elastic component, fixedly connected with scraper blade on the slider can connect the use to the slider through the setting of elastic component.

Preferably, the filter screen is provided with a plurality of, and is a plurality of the filter screen is annular array arranges on the fixed disk, through the setting of filter screen, can carry out impurity filtering to fluid.

Preferably, the scraping plate is contacted with the fixed disk, the scraping plate is contacted with the filter screen, and the filter screen can be cleaned through the arrangement of the scraping plate.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the sealing ring arranged on the end cover, sealing treatment can be carried out between the end cover and the pump body so as to improve the sealing effect of the mute pump, oil can be added into the oil inlet pipe through the arrangement of the oil injection cylinder, impurities can be filtered out of the oil under the action of the filter screen, friction noise can be reduced under the action of the oil, the oil can be pushed by driving the auger to rotate through the motor, normal injection of the oil is further ensured, and impurities attached to the filter screen can be cleaned under the action of structures such as the bevel gear I, the bevel gear II, the rotating rod, the scraping plate and the like, so that the blocking problem of the filter screen is avoided.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a rear cross-sectional view of FIG. 1 of the present utility model;

FIG. 3 is a bottom cross-sectional view of FIG. 1 in accordance with the present utility model;

FIG. 4 is an enlarged view of the oiling mechanism of FIG. 2 in accordance with the present utility model;

fig. 5 is an enlarged view of fig. 4 at a in accordance with the present utility model.

In the figure: 1. a pump body; 2. an oil inlet pipe; 3. an oil outlet pipe; 4. an oiling mechanism; 41. a micro motor; 42. an auger; 43. bevel gears I; 44. an oil injection cylinder; 45. a fixed plate; 46. a filter screen; 47. a fixed rod; 48. a rotating lever; 49. bevel gears II; 491. a slide block; 492. an elastic member; 493. a scraper; 5. an end cap; 6. a rotating shaft; 7. and (3) a sealing ring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, a sealed internal engaged silent pump includes a pump body 1, a crescent plate, an arc baffle plate, a gear, an inner gear ring, etc. are provided on the pump body 1, details are disclosed in the patent with the report number CN212536058U, an oil inlet pipe 2 is provided on the pump body 1, an oil outlet pipe 3 is provided on the pump body 1, an oil inlet mechanism 4 is provided on the oil inlet pipe 2, the oil inlet mechanism 4 includes a micro motor 41, a packing auger 42, a bevel gear 43, an oil injection cylinder 44, a fixed disk 45, a filter screen 46, a fixed rod 47, a rotating rod 48, a bevel gear 49, a slider 491, an elastic member 492 and a scraper 493, an end cover 5 is contacted on the pump body 1, a rotating shaft 6 is jointly provided on the end cover 5, a sealing ring 7 is fixedly connected to the end cover 5, the sealing ring 7 is rotationally connected with the rotating shaft 6, and the sealing ring 7 is contacted with the pump body 1.

Referring to fig. 1, 2, 3, 4 and 5, a micro motor 41 is fixedly installed on an oil inlet pipe 2, an output shaft of the micro motor 41 is rotationally connected with the oil inlet pipe 2, an auger 42 is fixedly connected with an output shaft of the micro motor 41, the auger 42 is in contact with the oil inlet pipe 2, and oil can be pushed to effectively move through arrangement of the micro motor 41 and the auger 42, so that oil injection treatment is carried out on a pump body 1.

Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, a first bevel gear 43 is fixedly sleeved on the outer side of an output shaft of the micro motor 41, an oil injection tube 44 is fixedly connected to the oil inlet tube 2, a fixed disc 45 is fixedly connected to the oil injection tube 44, a plurality of filter screens 46 are fixedly connected to the fixed disc 45, the filter screens 46 are arranged on the fixed disc 45 in an annular array, impurities in oil can be filtered through the arrangement of the filter screens 46, a fixed rod 47 is fixedly connected to the oil injection tube 44, a rotating rod 48 is mounted in the fixed rod 47 through a bearing, the rotating rod 48 is in rotary connection with the fixed disc 45, a second bevel gear 49 is fixedly sleeved on the outer side of the rotating rod 48, the second bevel gear 49 is meshed with the first bevel gear 43, and the second bevel gear 49 is meshed with the first bevel gear 43 through the meshing relationship of the second bevel gear 49 and the first bevel gear 43, so that the first bevel gear 43 can be driven to rotate when being stressed.

Referring to fig. 1, 2, 3, 4 and 5, a sliding block 491 is slidably connected to a rotating rod 48, an elastic member 492 is adhered to the sliding block 491, the other end of the elastic member 492 is adhered to the rotating rod 48, a scraping plate 493 is fixedly connected to the sliding block 491, the scraping plate 493 contacts with the fixed disk 45, the scraping plate 493 contacts with the filter screen 46, the filter screen 46 can be cleaned through the arrangement of the scraping plate 493, and the sliding block 491 can be connected for use through the arrangement of the elastic member 492.

The specific implementation process of the utility model is as follows: when the sealed type internal engaged silent pump is required to be used, details of the noise reduction principle of the pump body 1 are disclosed in the utility model patent with the report number of CN212536058U, and details are not repeated herein, through the arrangement of the oil injection cylinder 44, oil can be added into the oil inlet pipe 2, impurities in the oil can be filtered out under the action of the filter screen 46, the micro motor 41 is started to drive the auger 42 to rotate, the oil can be pushed, and then the oil enters the pump body 1, so that the subsequent pump body 1 can be conveniently used in normal operation;

in this process, the micro motor 41 drives the bevel gear one 43 to rotate, under the meshing relationship, the bevel gear one 43 drives the bevel gear two 49 to rotate, the bevel gear two 49 is stressed to drive the rotating rod 48 to rotate, the rotating rod 48 drives the sliding block 491 to further drive the scraping plate 493 to slide along the surface of the filter screen 46, impurities attached to the filter screen 46 are cleaned, and when the sliding block 491 is stressed to move, the elastic piece 492 can be pulled to deform, and under the deformation effect of the elastic piece 492, the scraping plate 493 is pulled to always contact with the filter screen 46, so that the cleaning effect of the scraping plate 493 is ensured.

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

Claims (6)

1. The utility model provides a sealed type internal engagement silence pump, includes the pump body (1), its characterized in that: be provided with oil feed pipe (2) on the pump body (1), be provided with oil outlet pipe (3) on the pump body (1), be provided with oiling mechanism (4) on oil inlet pipe (2), oiling mechanism (4) are including miniature motor (41), auger (42), bevel gear one (43), oiling section of thick bamboo (44), fixed disk (45), filter screen (46), dead lever (47), dwang (48), bevel gear two (49), slider (491), elastic component (492) and scraper blade (493), the contact has end cover (5) on the pump body (1), be provided with axis of rotation (6) jointly on end cover (5) and the pump body (1), fixedly connected with sealing ring (7) on end cover (5), sealing ring (7) are connected with axis of rotation (6) rotation, sealing ring (7) and pump body (1) contact.

2. A sealed type internal engagement silent pump according to claim 1, wherein: the oil inlet pipe (2) is fixedly provided with a micro motor (41), an output shaft of the micro motor (41) is rotationally connected with the oil inlet pipe (2), an output shaft of the micro motor (41) is fixedly connected with an auger (42), and the auger (42) is in contact with the oil inlet pipe (2).

3. A sealed type internal engagement silent pump according to claim 1, wherein: the output shaft outside of micro motor (41) is fixed to be cup jointed bevel gear one (43), fixedly connected with oiling section of thick bamboo (44) on advance oil pipe (2), fixedly connected with fixed disk (45) in oiling section of thick bamboo (44), fixedly connected with filter screen (46) in fixed disk (45), fixedly connected with dead lever (47) in oiling section of thick bamboo (44), install dwang (48) through the bearing in dead lever (47), dwang (48) are connected with fixed disk (45) rotation, bevel gear two (49) have been fixedly cup jointed in the outside of dwang (48), bevel gear two (49) and bevel gear one (43) meshing.

4. A sealed type internal engagement silent pump according to claim 1, wherein: the rotating rod (48) is connected with a sliding block (491) in a sliding mode, an elastic piece (492) is adhered to the sliding block (491), the other end of the elastic piece (492) is adhered to the rotating rod (48), and a scraping plate (493) is fixedly connected to the sliding block (491).

5. A sealed type internal engagement silent pump according to claim 1, wherein: the filter screens (46) are arranged in a plurality, and the filter screens (46) are arranged on the fixed disk (45) in an annular array.

6. A sealed type internal engagement silent pump according to claim 1, wherein: the scraping plate (493) is contacted with the fixed disk (45), and the scraping plate (493) is contacted with the filter screen (46).