CN213419279U

CN213419279U - Novel eccentric wheel crankshaft cleaning pump

Info

Publication number: CN213419279U
Application number: CN202022373304.6U
Authority: CN
Inventors: 柴亚新
Original assignee: Danyang Xingong Hardware Co ltd
Current assignee: Danyang Xingong Hardware Co ltd
Priority date: 2020-10-21
Filing date: 2020-10-21
Publication date: 2021-06-11
Anticipated expiration: 2030-10-21

Abstract

The utility model relates to a handheld cleaning machine technical field especially relates to a novel eccentric wheel bent axle's scavenging pump, including motor, gear reduction box, hydro-cylinder, transmission shaft, big bearing, antifriction bearing, bearing ring, eccentric wheel, round pin axle, plunger, seal holder, water seal, little bearing, hydro-cylinder lid and the pump body, fixed connection can be dismantled with the gear reduction box at the top of motor, the motor is connected with the gear reduction box transmission, the hydro-cylinder passes through screw fixed mounting at the top of gear reduction box, the transmission shaft is located the inside central point of hydro-cylinder and puts, the bottom of transmission shaft is passed through big bearing and is connected with the hydro-cylinder rotation. The utility model discloses having reached the cancellation and having overcome the spring force acting, having reduced the purpose of starting torque and the time wearing and tearing that moves, improved the performance of machine, reduced the production degree of difficulty, whole simple easy operation moreover, the structure is exquisite, and the energy consumption reduces, and space utilization is high, has both guaranteed that the structure is exquisite and has promoted the working property of pump again.

Description

Novel eccentric wheel crankshaft cleaning pump

Technical Field

The utility model relates to a handheld cleaning machine technical field especially relates to a novel scavenging pump of eccentric wheel bent axle.

Background

Along with the popularization of domestic and foreign household cleaning machines, the market demand is continuously expanded and promoted, the size of a large floor type household electric cleaning machine is gradually changed into that of a small portable type household electric cleaning machine, and the power supply driving mode is changed from alternating current to direct current lithium electricity. Along with the promotion of the requirement for environmental protection, the direct current lithium electricity becomes market mainstream at present, and direct current motor's volume is less simultaneously, has promoted the cleaning machine and has become small and exquisite, light, can regard as hand-held type cleaning machine.

In order to save space and reduce the overall weight of the washer, the structure of the washer pump is more exquisite. Most handheld cleaning machine pumps are single cylinder linear motion's plunger pump or diaphragm pump in the existing market, its framework size is great and work flow is less, as shown in figure 5, plunger and plunger jump ring structure graph in the plunger pump, the plunger resets through the plunger jump ring after the action, plunger jump ring doing work produces wearing and tearing simultaneously, the moment of torsion increase during the start, lead to the operation energy consumption of cleaning pump to increase, and the work efficiency of cleaning pump reduces, influence the performance of cleaning pump.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel eccentric wheel bent axle's scavenging pump has reached the cancellation and has overcome the spring force acting, has reduced the purpose of starting torque and the time wearing and tearing that moves, has improved the performance of machine, has reduced the production degree of difficulty, and whole simple easy operation moreover, the structure is exquisite, and the energy consumption reduces, and space utilization is high, has both guaranteed that the structure is exquisite and has promoted the working property of pump again.

(II) technical scheme

In order to realize the technical problem, the utility model provides a following technical scheme: a novel cleaning pump for eccentric wheel crankshafts comprises a motor, a gear reduction box, an oil cylinder, a transmission shaft, a large bearing, rolling bearings, a bearing ring, an eccentric wheel, a pin shaft, a plunger, a sealing support, a water seal, a small bearing, an oil cylinder cover and a pump body, wherein the top of the motor is detachably and fixedly connected with the gear reduction box, the motor is in transmission connection with the gear reduction box, the oil cylinder is fixedly arranged at the top of the gear reduction box through screws, the transmission shaft is positioned at the central position inside the oil cylinder, the bottom end of the transmission shaft is rotatably connected with the oil cylinder through the large bearing, the bottom end of the transmission shaft is in transmission connection with the gear reduction box, the two rolling bearings are respectively sleeved and fixed at the top and the bottom of the outer surface of the transmission shaft, the bearing ring is sleeved and fixed on the outer surface of the rolling, the water seal cover is arranged on the outer surface of the plunger, the right side of the water seal is in lap joint with the left side of the sealing support, the right ends of the two plungers are respectively in movable connection with the left sides of the two eccentric wheels through pin shafts, the oil cylinder cover is fixedly connected with the top of the oil cylinder through screws, the top end of the transmission shaft is rotatably connected with the oil cylinder cover through a small bearing, the left side of the oil cylinder is fixedly connected with the pump body through screws, and the plunger and the water seal are both located in a cavity inside the pump body.

Furthermore, the pump body is detachably and fixedly provided with two water inlet one-way valves, the two water inlet one-way valves are respectively arranged in cavities at two sides in the pump body, and the water inlet one-way valve is positioned above the left side of the plunger.

Furthermore, the top of the pump body is fixedly connected with a water inlet pump cover through screws, a first sealing ring is arranged between the water inlet pump cover and the pump body, and a water inlet joint is fixedly connected to the water inlet pump cover.

Furthermore, the left side of the pump body is detachably and fixedly provided with two water outlet one-way valves, and the two water outlet one-way valves are respectively positioned on the left sides of the two plungers.

Furthermore, the left side of the pump body is fixedly connected with a water outlet pump cover through screws, and a second sealing ring is arranged between the water outlet pump cover and the pump body.

Furthermore, an overflow valve core is installed inside the water outlet pump cover, an overflow valve spring is sleeved on the overflow valve core, the top end of the overflow valve spring is in lap joint with the bottom of the inner wall of the water inlet pump cover, and an O-shaped ring is arranged between the water outlet pump cover and the water inlet pump cover.

(III) advantageous effects

The utility model provides a novel eccentric wheel bent axle's scavenging pump possesses following beneficial effect:

1. the utility model discloses an adopt the combination form of eccentric wheel and bearing ring, realized the reciprocating transformation of direction of motion, the eccentric wheel provides eccentric action, then with bearing ring interference pressure equipment on the eccentric wheel, self through the eccentric wheel rotates the reciprocating motion who has realized the plunger, compares traditional spring reset mode, has cancelled and has overcome the spring force acting, has reduced the wearing and tearing when starting torque and operation, has improved the performance of machine, has reduced the production degree of difficulty.

2. The utility model discloses a self of eccentric wheel rotates, directly makes the plunger carry out reciprocating motion, and the connected mode of plunger and plunger jump ring before than, this formula is simpler, easy operation, and the structure is exquisite, and the energy consumption reduces.

3. The utility model discloses a with two plungers parallel distribution from top to bottom, advance, the shared space in delivery port plane is little, the overall structure symmetric distribution of pump, and space utilization is high, has both guaranteed that the structure is exquisite and has promoted the working property of pump again.

Drawings

FIG. 1 is an exploded view of the cleaning pump of the present invention;

FIG. 2 is a partial structural plan view of the eccentric wheel of the present invention;

FIG. 3 is a sectional view of the pump body according to the present invention;

FIG. 4 is a schematic view of a part of the eccentric wheel of the present invention;

fig. 5 is the utility model discloses current plunger and plunger jump ring schematic structure of scavenging pump.

In the figure: 1. a motor; 2. a gear reduction box; 3. an oil cylinder; 4. a drive shaft; 5. a large bearing; 6. a rolling bearing; 7. a bearing ring; 8. an eccentric wheel; 9. a pin shaft; 10. a plunger; 11. sealing the bracket; 12. water sealing; 13. a small bearing; 14. an oil cylinder cover; 15. a pump body; 16. a water inlet one-way valve; 17. a first seal ring; 18. a water inlet pump cover; 19. a water outlet one-way valve; 20. a water outlet pump cover; 21. a second seal ring; 22. an overflow valve spool; 23. an O-shaped ring; 24. and an overflow valve spring.

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.

Referring to fig. 1-4, the present invention provides a technical solution: a novel cleaning pump for an eccentric wheel crankshaft comprises a motor 1, a gear reduction box 2, an oil cylinder 3, a transmission shaft 4, a large bearing 5, a rolling bearing 6, a bearing ring 7, an eccentric wheel 8, a pin shaft 9, a plunger 10, a sealing support 11, a water seal 12, a small bearing 13, an oil cylinder cover 14 and a pump body 15, wherein the top of the motor 1 is detachably and fixedly connected with the gear reduction box 2, the motor 1 is in transmission connection with the gear reduction box 2, the oil cylinder 3 is fixedly arranged at the top of the gear reduction box 2 through screws, the transmission shaft 4 is positioned at the central position inside the oil cylinder 3, the bottom end of the transmission shaft 4 is in rotation connection with the oil cylinder 3 through the large bearing 5, the bottom end of the transmission shaft 4 is in transmission connection with the gear reduction box 2, the two rolling bearings 6 are respectively sleeved and fixed at the top and the bottom of the outer surface of the transmission, the sealing support 11 is sleeved and fixed on the outer surface of the plunger 10, the water seal 12 is sleeved on the outer surface of the plunger 10, the right side of the water seal 12 is lapped with the left side of the sealing support 11, the right ends of the two plungers 10 are respectively movably connected with the left sides of the two eccentric wheels 8 through pin shafts 9, the oil cylinder cover 14 is fixedly connected with the top of the oil cylinder 3 through screws, the top end of the transmission shaft 4 is rotatably connected with the oil cylinder cover 14 through a small bearing, the left side of the oil cylinder 3 is fixedly connected with the pump body 15 through screws, the plunger 10 and the water seal 12 are both positioned in a cavity inside the pump body 15, the reciprocating conversion of the motion direction is realized by adopting a combination form of the eccentric wheel 8 and the bearing ring 7, the eccentric wheel 8 provides an eccentric effect, then the bearing ring 7 is pressed on the eccentric wheel 8 in an interference manner, the reciprocating, the hydraulic power machine cancels the work of overcoming the spring force, reduces the starting torque and the abrasion during the operation, improves the performance of the machine and reduces the production difficulty.

Two water inlet one-way valves 16 are detachably and fixedly mounted on a pump body 15, the two water inlet one-way valves 16 are respectively mounted in cavities at two sides in the pump body 15, the water inlet one-way valve 16 is positioned above the left side of a plunger 10, the top of the pump body 15 is fixedly connected with a water inlet pump cover 18 through a screw, a first sealing ring 17 is arranged between the water inlet pump cover 18 and the pump body 15, a water inlet joint is fixedly connected with the water inlet pump cover 18, two water outlet one-way valves 19 are detachably and fixedly mounted at the left side of the pump body 15, the two water outlet one-way valves 19 are respectively positioned at the left sides of the two plungers 10, the left side of the pump body 15 is fixedly connected with a water outlet pump cover 20 through a screw, a second sealing ring 21 is arranged between the water outlet pump cover 20 and the pump body 15, a valve core 22 is mounted inside the water outlet pump cover 20, an overflow valve spring, be provided with O type circle 23 between play water pump cover 20 and the intake pump cover 18, the utility model discloses a self of eccentric wheel 8 rotates, directly makes plunger 10 carry out reciprocating motion, and the connected mode of plunger and plunger jump ring before than, this formula is simpler, easy operation, and the structure is exquisite, and the energy consumption reduces.

In the using process, two eccentric wheels 8 are respectively arranged on a transmission shaft 4, the eccentric wheels 8 face to the back, as shown in figure 2, a rolling bearing 6 and a bearing ring 7 are arranged on the eccentric wheels 8, the eccentric wheels 8 are movably connected with a plunger 10 through pin shafts, a small bearing 13 is arranged at the upper end of the transmission shaft 4 and used for positioning the transmission shaft 4 and can rotate relative to an oil cylinder cover 14, a large bearing 5 is arranged at the lower end of the transmission shaft 4, then the large bearing 5 is tightly matched with an oil cylinder 3, when the output power of a motor 1 is transmitted to the transmission shaft 4 through a gear reduction box 2, the eccentric wheels 8 on the transmission shaft 4 are driven to rotate at the same time, the plunger 10 is always pressed on the rolling bearing 6 by the spring force of a plunger spring and moves back and forth along with the eccentric wheels 8, the plunger 10 moves back and forth along with the bearing ring 7, and the resistance, the cleaning pump is more smooth in operation, the plunger 10 is provided with the water seal 12, the water seal 12 can play a sealing role, high-pressure water is prevented from entering the oil cylinder 3, and the middle of the oil cylinder is positioned and supported by the sealing support 11.

The scavenging pump presents two states during operation, namely a pressurization state and a pressure relief state, and the pressurization state is as follows: when the plunger 10 moves backwards, the volume of a water inlet cavity formed from a water inlet joint on the water inlet pump cover 18 to the head of the plunger 10 is increased, at the moment, the water inlet one-way valve 16 is opened, water enters from the water inlet joint, is divided in the water inlet pump cover 18, and then enters a plunger cavity in the pump body through the water inlet one-way valve 16; when the plunger 10 moves forwards, the volume of the cavity is reduced, water is compressed to form high-pressure water, the water outlet check valve 19 is opened at the moment, the high-pressure water enters the water outlet pump cover 20 to be discharged, the double plungers 10 simultaneously enter and discharge at the same time, and the water is pressurized and discharged to form high-pressure water flow through reciprocating motion, so that vehicles, glass, windows and the like are cleaned through the high-pressure water flow.

Pressure relief state: in the use, if the delivery port is blocked by the foreign matter, high-pressure water flow can't get rid of, pressure can sharply increase in whole return circuit in the pump body 15 this moment, in order to avoid the unable circumstances of releasing of high pressure in the pump to take place, this scheme installs pressure relief device between delivery pump lid 20 and intake pump lid 18, constitute by overflow valve case 22 and overflow valve spring 24, this pressure relief device is out of work when the cleaning machine is in normal use, in case the delivery port blocks up and causes the pressure in the pump to be higher than the settlement power value of overflow valve spring 24, overflow valve case 22 action is released the water inlet from this place with high pressure water this moment, thereby spare part and user's safety in the protection.

The utility model discloses a with two plunger 10 upper and lower parallel distribution, advance, the shared space in delivery port plane is little, the overall structure symmetric distribution of pump, space utilization is high, has both guaranteed that the structure is exquisite and has promoted the working property of pump again.

The utility model discloses in, eccentric wheel 8's reciprocating structure can be replaced and use for crankshaft connecting rod structure, and the effect that reach are the same, can satisfy the user demand.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

1. The utility model provides a novel eccentric wheel crankshaft's scavenging pump, includes motor (1), gear reduction box (2), hydro-cylinder (3), transmission shaft (4), big bearing (5), antifriction bearing (6), bearing ring (7), eccentric wheel (8), round pin axle (9), plunger (10), seal holder (11), water seal (12), little bearing (13), hydro-cylinder lid (14) and pump body (15), its characterized in that: the top of the motor (1) is detachably and fixedly connected with the gear reduction box (2), the motor (1) is in transmission connection with the gear reduction box (2), the oil cylinder (3) is fixedly installed at the top of the gear reduction box (2) through a screw, the transmission shaft (4) is located at the central position inside the oil cylinder (3), the bottom end of the transmission shaft (4) is in rotation connection with the oil cylinder (3) through a large bearing (5), the bottom end of the transmission shaft (4) is in transmission connection with the gear reduction box (2), two rolling bearings (6) are respectively sleeved and fixed at the top and the bottom of the outer surface of the transmission shaft (4), the bearing ring (7) is sleeved and fixed on the outer surface of the rolling bearing (6), the eccentric wheel (8) is sleeved and fixed on the outer surface of the bearing ring (7), and the sealing support (11) is sleeved and fixed on the outer surface of the plunger (, the utility model discloses a pump, including water seal (12), left side and sealed support (11), the right side of water seal (12) is established on the surface of plunger (10), the right-hand member of two plunger (10) is through round pin axle (9) respectively with the left side swing joint of two eccentric wheels (8), the top fixed connection of screw and hydro-cylinder (3) is passed through in hydro-cylinder lid (14), the top of transmission shaft (4) is passed through the undersetting and is rotated with hydro-cylinder lid (14) and be connected, screw and pump body (15) fixed connection are passed through in the left side of hydro-cylinder (3), plunger (10) and water seal (12) all are located the inside cavity of pump body (15).

2. The novel eccentric crankshaft cleaning pump as claimed in claim 1, wherein: the pump body (15) is provided with two water inlet one-way valves (16) in a detachable and fixed mode, the two water inlet one-way valves (16) are respectively installed in cavities on two sides of the interior of the pump body (15), and the water inlet one-way valves (16) are located above the left side of the plunger (10).

3. The novel eccentric crankshaft cleaning pump as claimed in claim 1, wherein: the pump is characterized in that the top of the pump body (15) is fixedly connected with a water inlet pump cover (18) through screws, a first sealing ring (17) is arranged between the water inlet pump cover (18) and the pump body (15), and a water inlet joint is fixedly connected to the water inlet pump cover (18).

4. The novel eccentric crankshaft cleaning pump as claimed in claim 1, wherein: the left side of the pump body (15) is detachably and fixedly provided with two water outlet one-way valves (19), and the two water outlet one-way valves (19) are respectively positioned on the left sides of the two plungers (10).

5. The novel eccentric crankshaft cleaning pump as claimed in claim 1, wherein: the left side of the pump body (15) is fixedly connected with a water outlet pump cover (20) through screws, and a second sealing ring (21) is arranged between the water outlet pump cover (20) and the pump body (15).

6. The novel eccentric crankshaft cleaning pump as claimed in claim 5, wherein: the water outlet pump cover is characterized in that an overflow valve core (22) is arranged inside the water outlet pump cover (20), an overflow valve spring (24) is sleeved on the overflow valve core (22), the top end of the overflow valve spring (24) is in lap joint with the bottom of the inner wall of the water inlet pump cover (18), and an O-shaped ring (23) is arranged between the water outlet pump cover (20) and the water inlet pump cover (18).