CN215109513U

CN215109513U - Pump head structure of silence self priming pump

Info

Publication number: CN215109513U
Application number: CN202121253986.5U
Authority: CN
Inventors: 李伟洪
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2021-12-10
Anticipated expiration: 2031-06-04

Abstract

The utility model relates to the technical field of liquid flow measurement, and discloses a pump head structure of a silent self-priming pump, which comprises an end cover, a sealing cover, a cylinder head, a base and a rotor structure, wherein the two sides of the base are respectively provided with a water outlet and a water inlet, the water outlet and the water inlet are arranged oppositely, a sealing cavity is arranged between the water outlet and the water inlet, and the rotor structure is arranged in the sealing cavity; the rotor structure comprises a rotor and an inner rotating gear, the inner rotating gear is fixed on the inner wall of the cylinder head, an arc-shaped bulge is arranged on the inner wall of the inner rotating gear, and the rotor is meshed with the arc-shaped bulge to rotate tangentially; the top of the cylinder head is fixed with a sealing cover and an end cover through bolts. Compared with the prior art, the utility model discloses a working method of rotor and adversion gear rotates at sealed intracavity, forms negative pressure suction, and the working process sound is little, and suction is big, has further improved from the work efficiency of sucking the pump, and is equipped with the relief valve, avoids sealed intracavity pressure too high.

Description

Pump head structure of silence self priming pump

Technical Field

The utility model relates to a liquid flow measurement technical field, more specifically the pump head structure that relates to a silence self priming pump that says so.

Background

In the prior art, there are many pumps for conveying fluid media, such as piston pumps, centrifugal pumps, diaphragm pumps, etc., the piston pumps convey fluid media by reciprocating pistons in cylinders and matching with one-way valves, and the centrifugal pumps convey fluid media by centrifugal force generated by pump blades rotating at high rotation speed. The existing self-sucking pump is mostly composed of a motor, an impeller, a pump body and a self-sucking device, the water feeding time of the self-sucking pump is long when equipment runs, the efficiency is low, meanwhile, the equipment runs with large sound due to the fact that the motor adopts air cooling, and surrounding production activities are greatly influenced, wherein certain association exists with a rotor structure of the self-sucking pump.

Therefore, it is an urgent problem to provide a novel pump head structure of a self-priming pump.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a pump head structure of silence self priming pump, the fine above-mentioned problem of having solved, through providing a rotor and the combination mode of adversion gear, sound is little when the motion work, and can produce great negative pressure suction, and then has improved holistic work efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: a pump head structure of a silent self-priming pump comprises an end cover, a sealing cover, a cylinder head, a base and a rotor structure, wherein a water outlet and a water inlet are respectively arranged on two sides of the base, the water outlet and the water inlet are oppositely arranged, a sealing cavity is arranged between the water outlet and the water inlet, and the rotor structure is arranged in the sealing cavity; the rotor structure comprises a rotor and an inner rotating gear, the inner rotating gear is fixed on the inner wall of the cylinder head, an arc-shaped bulge is arranged on the inner wall of the inner rotating gear, and the rotor is meshed with the arc-shaped bulge to rotate tangentially; the top of the cylinder head is fixed with a sealing cover and an end cover through bolts.

Preferably, in the pump head structure of above-mentioned silence self priming pump, the base side is equipped with the relief valve, and the relief valve is equipped with two passageways, communicates with delivery port and water inlet respectively.

Preferably, in the pump head structure of the silent self-priming pump, the rotor is provided with six inward concave arc-shaped surfaces, the inner rotating gear is provided with seven arc-shaped protrusions, and the inward concave arc-shaped surfaces and the arc-shaped protrusions are meshed and rotate tangentially; and the tooth surfaces of the rotor and the inner rotating gear are both provided with wear-resistant layers subjected to a carburizing process.

Preferably, in the pump head structure of the silent self-priming pump, the end cover, the sealing cover, the cylinder head and the base are fixed by bolts, the sealing gasket is added between the cylinder head and the base, the sealing gasket is coated between the sealing cover and the cylinder head, and a bearing position is arranged between the end cover and the sealing cover.

Preferably, in the pump head structure of the silent self-priming pump, a fixing seat is arranged opposite to the safety valve, and a mounting hole is formed in the fixing seat.

According to the technical scheme, compare with prior art, the utility model discloses a silence self priming pump's pump head structure adopts the working method of rotor and adversion gear, rotates in sealed intracavity, forms negative pressure suction, and the working process sound is little, and suction is big, has further improved the work efficiency from the priming pump, and is equipped with the relief valve, avoids sealed intracavity pressure too high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

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

FIG. 2 is a schematic axial view of the present invention;

FIG. 3 is a schematic view of the structure of the sealing chamber of the present invention;

fig. 4 is a cross-sectional view of the base of the present invention.

In the figure: 1. an end cap; 2. a sealing cover; 3. a cylinder head; 4. a base; 5. a water outlet; 6. a water inlet; 7. sealing the cavity; 8. a rotor; 9. an inner rotating gear; 10. an arc-shaped bulge; 11. a safety valve; 12. a bearing position; 13. and (6) installing hole sites.

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 the attached drawings 1-4, for the purpose of the present invention, a pump head structure of a silent self-priming pump comprises an end cover 1, a sealing cover 2, a cylinder head 3, a base 4 and a rotor structure, wherein two sides of the base 4 are respectively provided with a water outlet 5 and a water inlet 6, the water outlet 5 and the water inlet 6 are arranged oppositely, a sealing cavity 7 is arranged between the water outlet 5 and the water inlet 6, and the rotor structure is arranged inside the sealing cavity 7; the rotor structure comprises a rotor 8 and an inner rotating gear 9, the inner rotating gear 9 is fixed on the inner wall of the cylinder head 3, an arc-shaped bulge 10 is arranged on the inner wall of the inner rotating gear 9, and the rotor 8 is meshed with the arc-shaped bulge 10 to rotate tangentially; the top of the cylinder head 3 is fixed with a sealing cover 2 and an end cover 1 through bolts.

Preferably, in the pump head structure of above-mentioned silence self priming pump, 4 sides of base are equipped with relief valve 11, and the relief valve is equipped with two passageways, communicates with delivery port and water inlet respectively.

Preferably, in the pump head structure of the silent self-priming pump, the rotor 8 is provided with six concave arc-shaped surfaces, the internal rotating gear 9 is provided with seven arc-shaped protrusions 10, and the concave arc-shaped surfaces and the arc-shaped protrusions 10 are meshed and tangentially rotated; and the tooth surfaces of the rotor 8 and the inner rotating gear 9 are both provided with wear-resistant layers subjected to a carburizing process.

Preferably, in the pump head structure of the silent self-priming pump, the end cover 1, the sealing cover 2, the cylinder head 3 and the base 4 are fixed by bolts, a sealing gasket is added between the cylinder head 3 and the base 4, a sealing adhesive is coated between the sealing cover 2 and the cylinder head 3, and a bearing position 12 is arranged between the end cover 1 and the sealing cover 2.

Preferably, in the pump head structure of the silent self-priming pump, a fixing seat is arranged opposite to the safety valve 11, and the fixing seat is provided with a mounting hole 13.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A pump head structure of a silent self-priming pump comprises an end cover, a sealing cover, a cylinder head, a base and a rotor structure, and is characterized in that a water outlet and a water inlet are respectively arranged on two sides of the base, the water outlet and the water inlet are oppositely arranged, a sealing cavity is arranged between the water outlet and the water inlet, and the rotor structure is arranged in the sealing cavity; the rotor structure comprises a rotor and an inner rotating gear, the inner rotating gear is fixed on the inner wall of the cylinder head, an arc-shaped bulge is arranged on the inner wall of the inner rotating gear, and the rotor is meshed with the arc-shaped bulge to rotate tangentially; the top of the cylinder head is fixed with a sealing cover and an end cover through bolts.

2. A pump head structure for a silent self-priming pump as recited in claim 1, wherein the safety valve is disposed at a side of the base, and the safety valve has two passages respectively communicating with the water outlet and the water inlet.

3. A pump head structure of a silent self-priming pump as claimed in claim 1, wherein the rotor has six inner concave arc-shaped surfaces, the inner rotary gear has seven arc-shaped protrusions, and the inner concave arc-shaped surfaces and the arc-shaped protrusions are engaged and rotated tangentially; and the tooth surfaces of the rotor and the inner rotating gear are both provided with wear-resistant layers subjected to a carburizing process.

4. A pump head structure of a silent self-sucking pump as claimed in claim 1, wherein the end cap, the sealing cap, the cylinder head and the base are fixed together by bolts, a sealing gasket is added between the cylinder head and the base, a sealing glue is applied between the sealing cap and the cylinder head, and a bearing is disposed between the end cap and the sealing cap.

5. A pump head structure for a silent self-primer pump as recited in claim 2, wherein the safety valve has a fixing seat opposite to the safety valve, and the fixing seat has a mounting hole.