阅读说明：本技术 一种自调节式化工泵 (Self-adjusting chemical pump ) 是由 汪卫平 唐子一 占洋洋 李建新 黄文龙 汪渌 吴海洋 于 2021-09-02 设计创作，主要内容包括：本发明公开了一种自调节式化工泵,包括电机,所述电机上安装有连接座和泵壳,所述泵壳内设有叶轮,所述叶轮通过连接轴与电机的转轴连接,所述连接轴与转轴之间通过联轴器连接,所述联轴器设置于连接座内,所述连接轴与泵壳之间通过密封件连接,所述密封件包括密封轴承、橡胶圈和二次密封环,所述密封轴承设置于叶轮一侧的泵壳上,所述橡胶圈设置于密封轴承和二次密封环之间,且二次密封环设置于连接座与泵壳的连接处,且连接座的下部设有溢流口,本发明克服了现有技术的不足,延长了化工泵的使用寿命,维修成本低,且适用范围大。(The invention discloses a self-adjusting chemical pump, which comprises a motor, wherein a connecting seat and a pump shell are arranged on the motor, an impeller is arranged in the pump shell and is connected with a rotating shaft of the motor through a connecting shaft, the connecting shaft is connected with the rotating shaft through a coupler, the coupler is arranged in the connecting seat, the connecting shaft is connected with the pump shell through a sealing piece, the sealing piece comprises a sealing bearing, a rubber ring and a secondary sealing ring, the sealing bearing is arranged on the pump shell at one side of the impeller, the rubber ring is arranged between the sealing bearing and the secondary sealing ring, the secondary sealing ring is arranged at the connecting part of the connecting seat and the pump shell, and the lower part of the connecting seat is provided with an overflow port.)

1. The utility model provides a self-interacting formula chemical industry pump, includes motor (1), install connecting seat (3) and pump case (4) on motor (1), its characterized in that: be equipped with impeller (5) in pump case (4), impeller (5) are connected with the pivot of motor (1) through connecting axle (6), be connected through shaft coupling (31) between connecting axle (6) and the pivot, shaft coupling (31) set up in connecting seat (3), be connected through the sealing member between connecting axle (6) and pump case (4), the sealing member includes sealed bearing (63), rubber ring (62) and secondary sealing ring (61), sealed bearing (63) set up on pump case (4) of impeller (5) one side, rubber ring (62) set up between sealed bearing (63) and secondary sealing ring (61), and secondary sealing ring (61) set up in the junction of connecting seat (3) and pump case (4), and the lower part of connecting seat (3) is equipped with overflow mouth (32).

2. A self-regulating chemical pump as claimed in claim 1, wherein: an annular groove (621) is formed in the middle of the inner wall of the rubber ring (62), and the cross section of the annular groove (621) is omega-shaped.

3. A self-regulating chemical pump as claimed in claim 2, wherein: and two sides of the annular groove (621) at the inner wall of the rubber ring (62) are respectively provided with an air bag (622) ring.

4. A self-regulating chemical pump as claimed in claim 1, wherein: the water inlet of pump case (4) sets up in the relative pump case (4) middle part in bottom of impeller (5), the delivery port (43) of pump case (4) set up on impeller (5) relative pump case (4) in edge, fixed mounting is in pump case (4) inner wall relative in impeller (5) bottom on the adjustable ring (42) that the border was equipped with around pump case (4) water inlet, the section of adjustable ring (42) is the arc, and the border of adjustable ring (42) and the relative pump case (4) inner wall contact in impeller (5) border, adjustable ring (42) middle part does not contact with pump case (4) inner wall.

5. A self-adjusting chemical pump as defined in claim 4, wherein: the pump shell (4) is connected with the middle part of the adjusting ring (42) through an elastic part (41), and the elastic part (41) is a corrosion-resistant rubber rope.

6. A self-adjusting chemical pump as defined in claim 4, wherein: the adjusting ring (42) is made of polytetrafluoroethylene, and the thickness of the adjusting ring is 1.0-2.5 mm.

7. A self-regulating chemical pump as claimed in claim 1, wherein: still include base (2), install slider in base (2), slider includes gyro wheel (7), gyro wheel (7) are installed on base (2).

8. A self-regulating chemical pump according to claim 7, wherein: the roller (7) is arranged on the base (2) through an adjusting support, the adjusting support comprises a support shaft (70), a rotating shaft (90), support arms (8), a cross beam (82) and a pressure lever (9), the base (2) is internally of a hollow structure, two ends of the support plate are respectively provided with a sliding hole (80), the front end and the rear end of the base (2) are respectively and fixedly provided with the support shaft (70), the support shaft (70) is rotatably provided with a rotating plate (71), the roller (7) is arranged at one end of the rotating plate (71), the other end of the rotating plate (71) is hinged in the sliding hole (80) of the support arm (8), the cross beam (82) connects the two support arms (8) which are symmetrically arranged, the middle part of the cross beam (82) is provided with a connecting block (81), and the connecting block (81) is hinged with one end of the pressure lever (9), and a pressing rod (9) positioned on one side of the connecting block (81) is rotatably arranged on the base (2) through a rotating shaft (90), and the other end of the pressing rod (9) is provided with a pedal (91) positioned at the edge of the base (2).

9. A self-regulating chemical pump according to claim 8, wherein: the pressure lever (9) is further provided with support arms (92) extending towards two sides, the support arms (92) are arranged corresponding to the rotating plate (71), and the lower surface of each support arm (92) is provided with a clamping groove (93) capable of clamping the rotating plate (71).

Technical Field

The invention relates to the technical field of chemical pumps, and particularly belongs to a self-adjusting chemical pump.

Background

With the rapid development of chemical engineering, it also has more and more important influence on human life and environment. The attention of people is high in the past because the chemical industry can influence people from the aspects of environment, safety and the like. The chemical pump in China can basically meet the working requirement after years of market elutriation and improvement, and plays an important role in environmental protection.

The chemical pump can be divided into a plurality of types according to different application fields

1) Pipeline delivery pump, pump for oil pipeline, pump for loading and unloading vehicle, etc.;

2) auxiliary pump including lubricating oil pump, sealing oil pump, hydraulic transmission pump, etc.;

3) utility pump including boiler pump, water cooling tower pump, fire pump, water source deep well pump, etc.;

4) the process pump comprises a feeding pump, a reflux pump, a circulating pump, a flushing pump, a sewage pump, a replenishing pump, an output pump and the like.

Different working media and working parameters of the chemical pump required by working environments are different due to different working media when the chemical pump is used, so that various models are required, and the production cost of a factory is increased; meanwhile, the environment in which the chemical pump is used is generally high in corrosivity, the chemical pump is easy to damage, and the maintenance and replacement cost is high.

Disclosure of Invention

The invention aims to provide a self-adjusting chemical pump, which overcomes the defects of the prior art, prolongs the service life of the chemical pump, and has low maintenance cost and wide application range.

In order to solve the problems, the technical scheme adopted by the invention is as follows:

the utility model provides a self-interacting formula chemical pump, includes the motor, install connecting seat and pump case on the motor, be equipped with the impeller in the pump case, the impeller passes through the connecting axle and is connected with the pivot of motor, pass through the coupling joint between connecting axle and the pivot, the coupling sets up in the connecting seat, be connected through the sealing member between connecting axle and the pump case, the sealing member includes sealed bearing, rubber circle and secondary sealing ring, sealed bearing sets up on the pump case of impeller one side, the rubber circle sets up between sealed bearing and secondary sealing ring, and the secondary sealing ring sets up in the junction of connecting seat and pump case, and the lower part of connecting seat is equipped with the overflow mouth.

Preferably, the middle part of the inner wall of the rubber ring is provided with a ring groove, and the cross section of the ring groove is in an omega shape.

Preferably, two sides of the annular groove on the inner wall of the rubber ring are respectively provided with an air bag ring.

Preferably, the water inlet of the pump case is arranged in the middle of the pump case opposite to the bottom of the impeller, the water outlet of the pump case is arranged on the pump case opposite to the edge of the impeller, the inner wall of the pump case opposite to the bottom of the impeller is fixedly arranged on an adjusting ring arranged along the peripheral edge of the water inlet of the pump case, the section of the adjusting ring is arc-shaped, the edge of the adjusting ring is contacted with the inner wall of the pump case opposite to the edge of the impeller, and the middle of the adjusting ring is not contacted with the inner wall of the pump case.

Preferably, the pump shell is connected with the middle part of the adjusting ring through an elastic part, and the elastic part is a corrosion-resistant rubber rope.

Preferably, the adjusting ring is made of polytetrafluoroethylene, and the thickness of the adjusting ring is 1.0-2.5 mm.

Preferably, still include the base, install slider in the base, slider includes the gyro wheel, the gyro wheel is installed on the base.

Preferably, the idler wheel is installed on the base through an adjusting support, the adjusting support comprises a supporting shaft, a rotating shaft, supporting arms, a cross beam and a pressing rod, the base is internally of a hollow structure, two ends of the supporting plate are respectively provided with a sliding hole, the front end and the rear end of the base are respectively and fixedly provided with the supporting shaft, the supporting shaft is rotatably provided with the rotating plate, the idler wheel is installed at one end of the rotating plate, the other end of the rotating plate is hinged in the sliding hole of the supporting arm, the cross beam connects the two symmetrically-arranged supporting arms, a connecting block is arranged in the middle of the cross beam, the connecting block is hinged with one end of the pressing rod, the pressing rod located on one side of the connecting block is rotatably installed on the base through the rotating shaft, and the other end of the pressing rod is provided with a pedal located at the edge of the base.

Preferably, the pressure lever is further provided with support arms extending towards two sides, the support arms are arranged corresponding to the rotating plate, and the lower surface of each support arm is provided with a clamping groove capable of clamping the rotating plate.

Compared with the prior art, the invention has the following implementation effects:

1. the invention seals the connecting shaft and the pump shell by arranging the sealing bearing, the rubber ring and the secondary sealing ring, so that the connecting shaft has better sealing effect.

2. The annular groove with the omega-shaped cross section is arranged in the rubber ring, so that the air in the annular groove can be heated by heat generated by friction heat generation in the rotation process of the connecting shaft, the air pressure in the annular groove is increased, the holding force of the rubber ring on the connecting groove is increased, the sealing effect is improved, meanwhile, in the rotation process of the connecting shaft, scraps generated by friction can enter the annular groove, and the problem of accelerated abrasion caused by the scraps is solved; in addition, the air bag rings on the two sides of the ring groove can also expand when the temperature of the rubber ring rises, so that the sealing effect of the rubber ring is further improved, and the sealing ring can achieve a better sealing effect in the using process.

3. The adjusting ring arranged in the invention can reduce the distance between the adjusting ring and the impeller according to the pressure change in the pump shell cavity, and realizes automatic adjustment of the cavity, so that the impeller can be ensured to be suitable for extracting liquids with different densities, and the problem that the impeller and the connecting shaft are easy to damage is avoided; meanwhile, the adjusting ring is connected with the pump shell through the elastic piece, so that the adjusting ring is gradually moved towards the impeller, and the problem that the adjusting ring is contacted with the impeller when the suction force is large is solved.

4. The adjusting support is arranged in the base, and the press rod can pull up the supporting arm through the cross beam by treading the pedal, so that the rotating plate is driven to rotate, the roller extends out of the bottom of the base, and the chemical pump is convenient to move; meanwhile, after the clamping groove in the support arm is clamped with the rotating plate, the rotating plate can be prevented from rotating, the roller wheel can stably run, the support arm can be separated from the rotating plate by lifting the pedal, the rotating plate can rotate, and the roller wheel is retracted into the base.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a schematic view of the interior of the base;

FIG. 4 is a schematic view of the structure of the base with the rollers extended;

fig. 5 is a schematic structural view of the connection of the cross beam and the support arm.

Description of reference numerals: 1. a motor; 2. a base; 3. a connecting seat; 31. a coupling; 32. an overflow port; 4. a pump housing; 40. a chamber; 41. an elastic member; 42. an adjusting ring; 43. a water outlet; 5. an impeller; 6. a connecting shaft; 61. a secondary sealing ring; 62. a rubber ring; 621. a ring groove; 622. an air bag; 63. sealing the bearing; 7. a roller; 70. a support shaft; 71. a rotating plate; 8. a support arm; 80. a slide hole; 81. connecting blocks; 82. a cross beam; 9. a pressure lever; 90. a rotating shaft; 91. a pedal; 92. a support arm; 93. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation to be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-5, the self-adjusting chemical pump of the present invention includes a motor 1, a connecting seat 3 and a pump housing 4 are installed on the motor 1, an impeller 5 is installed in the pump housing 4, the impeller 5 is connected with a rotating shaft of the motor 1 through a connecting shaft 6, the connecting shaft 6 is connected with the rotating shaft through a coupling 31, the coupling 31 is disposed in the connecting seat 3, the connecting shaft 6 is connected with the pump housing 4 through a sealing member, the sealing member includes a sealing bearing 63, a rubber ring 62 and a secondary sealing ring 61, the sealing bearing 63 is disposed on the pump housing 4 on one side of the impeller 5, the rubber ring 62 is disposed between the sealing bearing 63 and the secondary sealing ring 61, the secondary sealing ring 61 is disposed at a connecting position of the connecting seat 3 and the pump housing 4, and an overflow port 32 is disposed at a lower portion of the connecting seat 3. Set up sealed bearing 63, rubber ring 62 and secondary seal ring 61 seal up connecting axle 6 and pump case 4 department, make connecting axle 6 department obtain better sealed effect, separately set up motor 1 and pump case 4 through connecting seat 3 simultaneously, when taking place to leak after pump case 4 and the long-term use of connecting axle 6 department, can avoid the liquid in the pump case 4 to get into motor 1, and flow out from overflow mouth 32, the problem of the easy damage of motor 1 has been avoided, and cost of maintenance has been reduced.

And the middle part of the inner wall of the rubber ring 62 of the sealing element is provided with a ring groove 621, the cross section of the ring groove 621 is omega-shaped, and two sides of the ring groove 621 at the inner wall of the rubber ring 62 are respectively provided with an air bag 622 ring. When the chemical pump is used, the air in the annular groove 621 can be heated by heat generated by friction heat generation of the connecting shaft 6 in the rotating process, so that the air pressure in the annular groove 621 is increased, the holding force of the rubber ring 62 on the connecting groove is increased, the sealing effect is improved, meanwhile, in the rotating process of the connecting shaft 6, fragments generated by friction can enter the annular groove 621, and the problem of accelerated abrasion caused by the fragments is solved; in addition, the air bag 622 rings on the two sides of the ring groove 621 are expanded when the temperature of the rubber ring 62 rises, so that the sealing effect of the rubber ring 62 is further improved, and the sealing ring can achieve a good sealing effect in the using process.

The water inlet of pump case 4 sets up in the relative 4 middle parts of pump case in bottom of impeller 5, the delivery port 43 of pump case 4 sets up on the relative pump case 4 in impeller 5 edge, fixed mounting is in the adjustable ring 42 that is equipped with along 4 water inlets of pump case all around on the relative pump case 4 inner wall in impeller 5 bottom, adjustable ring 42 is the polytetrafluoroethylene material, thickness is 1.2mm, according to the operation requirement of pump, the thickness of adjustable ring 42 can be adjusted in 1.0-2.5mm within range, the section of adjustable ring 42 is the arc, and the relative 4 inner wall contacts in pump case in border and impeller 5 border of the border of adjustable ring 42, adjustable ring 42 middle part does not contact with 4 inner walls of pump case. The adjusting ring 42 can reduce the distance between the adjusting ring and the impeller 5 according to the pressure change in the cavity 40 of the pump shell 4, thereby ensuring that the impeller 5 can adapt to the extraction of liquid with different densities and avoiding the problem that the impeller 5 and the connecting shaft 6 are easy to damage.

The pump shell 4 is connected with the middle part of the adjusting ring 42 through the elastic part 41, and the elastic part 41 is a corrosion-resistant rubber rope, so that the adjusting ring 42 is in a gradual process when moving towards the impeller 5, and the problem that the adjusting ring 42 is in contact with the impeller 5 when the suction force is large is avoided.

The chemical pump further comprises a base 2, the pump shell 4 and the motor 1 are installed on the base 2, a sliding device is installed in the base 2, the sliding device comprises a roller 7, the roller 7 is installed on the base 2, and the roller 7 is convenient to move.

Meanwhile, the roller 7 is installed on the base 2 through an adjusting support, the adjusting support comprises a support shaft 70, a rotating shaft 90, a support arm 8, a cross beam 82 and a press rod 9, the base 2 is internally of a hollow structure, two ends of the support plate are respectively provided with a sliding hole 80, the front end and the rear end of the base 2 are respectively and fixedly provided with the support shaft 70, the support shaft 70 is rotatably provided with a rotating plate 71, the roller 7 is installed at one end of the rotating plate 71, the other end of the rotating plate 71 is hinged in the sliding hole 80 of the support arm 8, the cross beam 82 connects the support arms 8 which are symmetrically arranged, the middle of the cross beam 82 is provided with a connecting block 81, the connecting block 81 is hinged with one end of the press rod 9, the press rod 9 located on one side of the connecting block 81 is rotatably installed on the base 2 through the rotating shaft 90, and the other end of the press rod 9 is provided with a pedal 91 located at the edge of the base 2. The pressure lever 9 is further provided with support arms 92 extending towards two sides, the support arms 92 are arranged corresponding to the rotating plate 71, and the lower surface of the support arms 92 is provided with a clamping groove 93 capable of clamping the rotating plate 71. By stepping on the pedal 91, the pressure lever 9 can pull up the supporting arm 8 through the cross beam 82, so as to drive the rotating plate 71 to rotate, and the roller 7 extends out of the bottom of the base 2, so that the chemical pump is convenient to move; meanwhile, after the clamping groove 93 on the supporting arm 92 is clamped with the rotating plate 71, the rotating plate 71 can be prevented from rotating, the roller 7 can stably run, the supporting arm 92 can be separated from the rotating plate 71 by lifting the pedal 91, the rotating plate 71 can rotate, and the roller 7 is retracted into the base 2.

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.