CN219139344U - Swing rotor pump capable of improving wear resistance - Google Patents

Abstract

The utility model provides an improve wear-resisting swing rotor pump, relates to swing rotor pump technical field, includes base and pump body, its characterized in that; the rear end of base corresponds fixed mounting and has the backup pad, the top of two backup pads and the bottom welded fastening of motor, the inside of pump body is provided with the pump chamber, swing guide rail has been seted up on the top of pump chamber, be provided with annular antifriction plate on the inner wall of pump chamber, the top bilateral symmetry of pump body is provided with inlet pipe and discharging pipe respectively, in the long-term in-process of working of rotor pump, circular antifriction plate and annular antifriction plate can increase the wear resistance of swing rotor and pump chamber inner wall, impurity and granule in can effectively slow down in the medium are to swing rotor and pump chamber inner wall's wearing and tearing, swing rotor's life has been prolonged, also reduced the maintenance cost of device, during the maintenance, only need change corresponding impaired circular antifriction plate and annular antifriction plate can, cost greatly reduced, the device simple structure, the equipment is convenient.

Description

Swing rotor pump capable of improving wear resistance

Technical Field

The utility model belongs to the technical field of oscillating rotor pumps, and particularly relates to an oscillating rotor pump capable of improving wear resistance.

Background

The swing rotor pump is a positive displacement pump, has strong self-priming capability, is suitable for loading and unloading vehicles and conveying oil products and chemical media, can mix and convey gas and liquid phases, has strong cavitation resistance, is usually made of cast iron materials, and has abrasion resistance due to friction of impurities such as sand grains in the media and the like on the wall surface of a pump cavity and the surface of a rotor in the pump body in the long-term working process of the rotor pump, so that the fit clearance between the pump cavity in the pump cavity and the rotor is increased, the leakage amount of the pump is increased, the flow and working pressure of the rotor pump are greatly reduced, the service life of the device is further prolonged, and meanwhile, the maintenance cost is increased.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides the swing rotor pump with improved wear resistance.

The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides an improve wear-resisting swing rotor pump, includes base and the pump body, and the bottom of pump body is fixed mounting on the base front end, its characterized in that; the rear end of base corresponds fixed mounting and has the backup pad, the top of two backup pads and the bottom welded fastening of motor, the inside of pump body is provided with the pump chamber, swing guide rail has been seted up on the top of pump chamber, be provided with annular antifriction plate on the inner wall of pump chamber, the front and back end of pump body is provided with front end housing and rear end cap respectively, front end housing and rear end cap all pass through hexagon threaded rod swing joint on the front and back end of pump body, the second circular slot has all been seted up to the corresponding end of front end housing and rear end cap, the inside of second circular slot all is provided with circular antifriction plate, the central point who corresponds the pump chamber in the rear end cap has seted up the first round hole with pivot looks adaptation, welded fastening has the pivot on the output of motor, the first round hole that wears the rear end cap to pump intracavity portion is crossed in the pivot, welded fastening has the eccentric shaft, swing rotor has been cup jointed in the activity on the eccentric shaft, the top central point of swing rotor puts welded fastening has the tongue, the tongue activity is pegged graft inside the swing guide rail, the top bilateral symmetry of pump body is provided with respectively with and the discharging pipe.

Preferably, through holes are formed in the positions, corresponding to the swing guide rails, of the tops of the annular wear plates, and feed holes and discharge holes are formed in the positions, corresponding to the feed pipe and the discharge pipe, of the left end and the right end of the tops of the annular wear plates.

Preferably, the annular wear plate is provided with first circular grooves in the circumferential direction, the inner center positions of the first circular grooves are provided with first small round holes, the pump cavity is provided with first threaded holes corresponding to the small round holes of the annular wear plate, the annular wear plate and the inner wall of the pump cavity penetrate through the small round holes of the annular wear plate through first threaded rods to be in threaded connection with the threaded holes of the pump cavity, nuts of the first threaded rods are arranged in the first circular grooves, and the outer wall of the annular wear plate is attached to the inner wall of the pump cavity.

Preferably, the third circular groove is uniformly formed in the circular wear plate in the circumferential direction, the second small round holes are formed in the inner center positions of the third circular groove, the second threaded holes are formed in the positions, corresponding to the second round holes, of the circular wear plate in the second circular groove, the circular wear plate and the hexagonal threaded rod penetrate through the second small round holes of the circular wear plate and the second threaded holes of the second circular groove through the second threaded rod, nuts of the second threaded rod are arranged in the third circular groove, the outer wall of the circular wear plate is attached to the inner wall of the second circular groove, and the thickness of the circular wear plate is identical to that of the second circular groove.

Preferably, the diameter of the circular wear-resisting plate is larger than that of the pump cavity, the second threaded rod is arranged at the position between the circular wear-resisting plate and the pump cavity, a second round hole matched with the rotating shaft is formed in the center position of the rear end circular wear-resisting plate, and sealing gaskets are arranged inside the second round hole and the first round hole at the joint of the circular wear-resisting plate and the rear end cover, which are rotated with the rotating shaft.

Preferably, the annular wear-resisting plate is attached to the abutting end of the circular wear-resisting plate of the front end cover, the annular wear-resisting plate is attached to the abutting end of the circular wear-resisting plate of the rear end cover, and the circular wear-resisting plate and the annular wear-resisting plate are made of silicon carbide.

The utility model has the beneficial effects that: this improve wear-resisting swing rotor pump, through being provided with circular antifriction plate and annular antifriction plate, circular antifriction plate establishes both sides around swing rotor, annular antifriction plate establishes on swing rotor pump body annular inner wall, from the omnidirectional effectively protection rotor like this, in the long-term in-process of working of rotor pump, circular antifriction plate and annular antifriction plate can increase the wear resistance of swing rotor and pump chamber inner wall, can effectively slow down the wearing and tearing of impurity and granule in the medium to swing rotor and pump chamber inner wall, the life of swing rotor has been prolonged, the maintenance cost of device has also been reduced, during the maintenance, only need change corresponding impaired circular antifriction plate and annular antifriction plate can, cost greatly reduced, the device simple structure, and convenient assembly.

Drawings

FIG. 1 is a schematic diagram of a structure of the present utility model;

FIG. 2 is a split side perspective view of the present utility model;

FIG. 3 is a schematic cross-sectional perspective view of the present utility model;

FIG. 4 is a split perspective view of the front end cap of the present utility model;

FIG. 5 is a top perspective view of the annular wear plate of the present utility model;

FIG. 6 is an enlarged schematic view of a portion of FIG. 4;

fig. 7 is a partially enlarged schematic view at B in fig. 5.

In the figure: 1. a base; 2. a support plate; 3. a motor; 4. a first circular groove; 5. a pump body; 6. a rear end cover; 7. a feed pipe; 8. a discharge pipe; 9. a front end cover; 10. a hexagonal threaded rod; 11. a circular wear plate; 12. a pump chamber; 13. an annular wear plate; 14. a second circular groove; 15. a third circular groove; 16. swinging the guide rail; 17. a tongue; 18. a first threaded rod; 19. a discharge hole; 20. a feed hole; 21. swinging the rotor; 22. a rotating shaft; 23. an eccentric shaft; 24. a second threaded rod; 25. and a through hole.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Examples: 1-7, the swing rotor pump for improving wear resistance comprises a base 1 and a pump body 5, wherein the bottom end of the pump body 5 is fixedly arranged at the front end of the base 1; the rear end of the base 1 is correspondingly and fixedly provided with support plates 2, the top ends of the two support plates 2 are fixedly connected with the bottom end of the motor 3 in a welding way, a pump cavity 12 is arranged in the pump body 5, a swing guide rail 16 is arranged at the top end of the pump cavity 12, annular wear plates 13 are arranged on the inner wall of the pump cavity 12, the front end and the rear end of the pump body 5 are respectively provided with a front end cover 9 and a rear end cover 6, the front end cover 9 and the rear end cover 6 are movably connected on the front end and the rear end of the pump body 5 through hexagonal threaded rods 10, the corresponding ends of the front end cover 9 and the rear end cover 6 are respectively provided with a second circular groove 14, the inside of the second circular groove 14 is respectively provided with a circular wear plate 11, a first circular hole matched with a rotating shaft 22 is arranged at the center position of the rear end cover 6 corresponding to the pump cavity 12, the output end of the motor 3 is fixedly connected with a rotating shaft 22 in a welding way, the rotating shaft 22 passes through a first round hole penetrating through the rear end cover 6 and extends to the inside of the pump cavity 12, an eccentric shaft 23 is fixedly connected to the rotating shaft 22 in a welding way, a swinging rotor 21 is movably sleeved on the eccentric shaft 23, a tongue 17 is fixedly connected to the center of the top end of the swinging rotor 21 in a welding way, the tongue 17 is movably inserted in the swinging guide rail 16, a feeding pipe 7 and a discharging pipe 8 are respectively arranged at the left and right symmetry of the top end of the pump body 5, the front end cover 9 and the rear end cover 6 are conveniently mounted and dismounted through a hexagonal threaded rod 10, a gasket is arranged at the joint of the front end cover 9 and the rear end cover 6, and the sealing performance of the pump cavity 12 is improved.

Further, through holes 25 are formed in the positions, corresponding to the swing guide rails 16, of the top of the annular wear plate 13, and feed holes 20 and discharge holes 19 are formed in the positions, corresponding to the feed pipe 7 and the discharge pipe 8, of the left end and the right end of the top of the annular wear plate 13, so that the swing rotor 21 can be conveniently installed.

Further, first circular slot 4 has all been seted up to circumference on the annular antifriction plate 13, first little round hole has all been seted up to the inside central point of first circular slot 4, first screw hole has been seted up to the little round hole position of corresponding annular antifriction plate 13 on the pump chamber 12, annular antifriction plate 13 passes the little round hole of annular antifriction plate 13 and the screw hole threaded connection of pump chamber 12 through first threaded rod 18 with the inner wall of pump chamber 12, and the nut setting of first threaded rod 18 is in the inside of first circular slot 4, the outer wall of annular antifriction plate 13 is in the same place with the laminating of the inner wall of pump chamber 12, because the nut setting of first threaded rod 18 is in first circular slot 4, and the outside of nut and the top of first circular slot 4 are in same horizontal plane, make first threaded rod 18 can not influence the rotation, the aesthetic measure of inside has been improved simultaneously, through first threaded rod 18 with annular antifriction plate 13 movable mounting in the pump chamber 12 of the pump body 5 inside, make the installation and dismantlement change.

Further, the third circular groove 15 is evenly formed in the circumference of the circular wear-resisting plate 11, the second small round holes are formed in the inner center position of the third circular groove 15, the second threaded holes are formed in the second circular holes of the second circular groove 14, which correspond to the second round holes of the circular wear-resisting plate 11, the circular wear-resisting plate 11 and the hexagonal threaded rod 10 pass through the second small round holes of the circular wear-resisting plate 11 and the second threaded holes of the second circular groove 14 through the second threaded rod 24, nuts of the second threaded rod 24 are arranged in the third circular groove 15, the outer wall of the circular wear-resisting plate 11 is attached to the inner wall of the second circular groove 14, the thickness of the circular wear-resisting plate 11 is the same as the thickness of the second circular groove 14, the circular wear-resisting plate 11 is movably mounted in the second circular groove 14 of the front end cover 9 and the rear end cover 6 through the second threaded rod 24, so that the circular wear-resisting plate 11 and the annular wear-resisting plate 13 can increase the wear resistance of the inner wall of the swinging rotor 21 and the pump cavity 12 in the long-term working process of the rotor pump, impurities in media and the impurities in the swinging rotor 21 and the swinging rotor 12 can be effectively slowed down, the wear of the swinging rotor 21 and the inner wall and the swinging rotor cavity 21 can be reduced, the service life of the swinging rotor is prolonged, and the service life of the device is also reduced.

Further, the diameter of circular antifriction plate 11 is greater than the diameter of pump chamber 12, second threaded rod 24 sets up on the position between circular antifriction plate 11 and pump chamber 12, the central point on the circular antifriction plate 11 of rear end set up with the second round hole of pivot 22 looks adaptation, circular antifriction plate 11 and rear end cap 6 all rotate the second round hole of junction with pivot 22 and inside sealed pad that all is provided with of first round hole, its junction is provided with sealed pad and has increased pump chamber 12 leakproofness, prevent that gas-liquid from leaking from pivot 22 end.

Further, annular antifriction plate 13 and the circular antifriction plate 11 of front end housing 9 support the end laminating, annular antifriction plate 13 and the circular antifriction plate 11 of rear end housing 6 support the end laminating, and circular antifriction plate 11 and annular antifriction plate 13 are the carborundum material, and the carborundum material has the stable, coefficient of thermal expansion is little, the good advantage of wear resistance, and the material of swing rotor 21 is ceramic material to do not need to worry that swing rotor 21 glues the fluid and leads to the draw-in groove, also do not worry that swing rotor 21 wears, greatly increased production efficiency.

The principle of the utility model is as follows: when the device is used, the annular wear-resisting plate 13 is movably mounted in the pump cavity 12 of the pump body 5 through the first threaded rod 18, the circular wear-resisting plate 11 is movably mounted in the second circular grooves 14 of the front end cover 9 and the rear end cover 6 through the second threaded rod 24, so that the swinging rotor 21 is effectively protected from all directions, in the long-term working process of the rotor pump, the wear-resisting performance of the swinging rotor 21 and the inner wall of the pump cavity 12 can be improved through the circular wear-resisting plate 11 and the annular wear-resisting plate 13, the wear of impurities and particles in media on the swinging rotor 21 and the inner wall of the pump cavity 12 can be effectively slowed down, the service life of the swinging rotor 21 is prolonged, the maintenance cost of the device is reduced, only the corresponding damaged circular wear-resisting plate 11 and the annular wear-resisting plate 13 are needed to be replaced during maintenance, the cost is greatly reduced, and the device is simple in structure, and convenient to install and detach for replacement.

Finally, it should be noted that the above embodiments are merely representative examples of the present utility model. Obviously, the utility model is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model should be considered to be within the scope of the present utility model.

Claims (6)

1. The utility model provides an improve wear-resisting swing rotor pump, includes base (1) and pump body (5), the bottom fixed mounting of pump body (5) is on base (1) front end, its characterized in that the rear end of base (1) corresponds fixed mounting and has backup pad (2), the top of two backup pads (2) and the bottom welded connection of motor (3), the inside of pump body (5) is provided with pump chamber (12), and swing guide rail (16) have been seted up on the top of pump chamber (12), are provided with annular antifriction plate (13) on the inner wall of pump chamber (12), and the front and back end of pump body (5) is provided with front end cover (9) and rear end cover (6) respectively, and front end cover (9) and rear end cover (6) all are through hexagonal threaded rod (10) swing joint on the front and back end of pump body (5), and front end cover (9) and rear end cover (6) are all offered second circular slot (14) corresponding to the end, and the inside of second circular slot (14) all is provided with circular antifriction plate (11), and the last center position (12) of corresponding pump chamber (12) of rear end cover (6) is equipped with annular antifriction plate (13) on the inner wall (12) and is equipped with pivot (22) and the first round hole (22) of a fixed connection of the output shaft (22) of a motor (12) and the end of a motor (12) and the first round hole (22) and the end of extending through the first round hole (12), an eccentric shaft (23) is fixedly connected to the rotating shaft (22) in a welding mode, a swing rotor (21) is movably sleeved on the eccentric shaft (23), a tongue (17) is fixedly connected to the center of the top end of the swing rotor (21) in a welding mode, the tongue (17) is movably inserted into the swing guide rail (16), and a feed pipe (7) and a discharge pipe (8) are symmetrically arranged at the left and right ends of the pump body (5) respectively.

2. The swing rotor pump for improving wear resistance according to claim 1, wherein the top of the annular wear-resistant plate (13) is provided with a through hole (25) corresponding to the swing guide rail (16), and the left and right ends of the top of the annular wear-resistant plate (13) are provided with a feed hole (20) and a discharge hole (19) corresponding to the feed pipe (7) and the discharge pipe (8).

3. A wobble rotor pump of claim 1, wherein the wobble rotor pump is wear resistant, and wherein: first circular slot (4) have all been seted up to circumference on annular antifriction plate (13), first little round hole has all been seted up to the inside central point of first circular slot (4), first screw hole has been seted up to the little round hole position that corresponds annular antifriction plate (13) on pump chamber (12), annular antifriction plate (13) pass the little round hole of annular antifriction plate (13) and the screw hole threaded connection of pump chamber (12) through first threaded rod (18) with the inner wall of pump chamber (12), and the nut setting of first threaded rod (18) is in the inside of first circular slot (4), the outer wall of annular antifriction plate (13) is in the same place with the laminating of the inner wall of pump chamber (12).

4. The swing rotor pump capable of improving wear resistance according to claim 1, wherein third round grooves (15) are uniformly formed in the round wear-resisting plate (11) in the circumferential direction, second small round holes are formed in the inner center positions of the third round grooves (15), second threaded holes are formed in the inner portions of the second round grooves (14) corresponding to the second round holes of the round wear-resisting plate (11), the round wear-resisting plate (11) and the hexagonal threaded rod (10) penetrate through the second small round holes of the round wear-resisting plate (11) through the second threaded rods (24) to be in threaded connection with the second threaded holes of the second round grooves (14), nuts of the second threaded rods (24) are arranged in the inner portions of the third round grooves (15), the outer walls of the round wear-resisting plate (11) are attached to the inner walls of the second round grooves (14), and the thickness of the round wear-resisting plate (11) is identical to that of the second round grooves (14).

5. The swing rotor pump capable of improving wear resistance according to claim 1, wherein the diameter of the circular wear-resisting plate (11) is larger than that of the pump cavity (12), a second threaded rod (24) is arranged between the circular wear-resisting plate (11) and the pump cavity (12), a second round hole matched with the rotating shaft (22) is formed in the center position of the rear end circular wear-resisting plate (11), and sealing gaskets are arranged in the second round hole and the first round hole at the rotating connection position of the circular wear-resisting plate (11) and the rear end cover (6) with the rotating shaft (22).

6. The swing rotor pump capable of improving wear resistance according to claim 1, wherein the annular wear plate (13) is abutted against the round wear plate (11) of the front end cover (9), the annular wear plate (13) is abutted against the round wear plate (11) of the rear end cover (6), and the round wear plate (11) and the annular wear plate (13) are made of silicon carbide.

Images