阅读说明：本技术 一种水泵 (Water pump ) 是由 周炳华 于 2019-10-22 设计创作，主要内容包括：本发明公开了一种水泵,属于水泵领域,一种水泵,包括水泵本体,所述水泵本体内设有密封环,所述密封环包括主密封环和自愈合密封环,所述自愈合密封环位于主密封环两侧面,所述自愈合密封环包括内绝热层,所述内绝热层上设有外绝热层,所述外绝热层和内绝热层之间填充有防护机构,所述防护机构包括第一工程橡胶层、自愈合层和第二工程橡胶层,所述自愈合层设在外绝热层和内绝热层之间,所述第一工程橡胶层位于自愈合层和外绝热层之间,所述第一工程橡胶层内抽成真空,所述第一工程橡胶层内填充有石膏粉末和弹性薄膜球,所述弹性薄膜球包括TPE空心球和半透膜,它可以实现在其密封环的侧边增加自愈合密封环,进一步提升密封环整体的密封效果。(The invention discloses a water pump, which belongs to the field of water pumps and comprises a water pump body, wherein a sealing ring is arranged in the water pump body, the sealing ring comprises a main sealing ring and a self-healing sealing ring, the self-healing sealing ring is positioned on two side surfaces of the main sealing ring, the self-healing sealing ring comprises an inner heat insulation layer, an outer heat insulation layer is arranged on the inner heat insulation layer, a protection mechanism is filled between the outer heat insulation layer and the inner heat insulation layer, the protection mechanism comprises a first engineering rubber layer, a self-healing layer and a second engineering rubber layer, the self-healing layer is arranged between the outer heat insulation layer and the inner heat insulation layer, the first engineering rubber layer is positioned between the self-healing layer and the outer heat insulation layer, the first engineering rubber layer is vacuumized, gypsum powder and an elastic film ball are filled in the first engineering rubber layer, the, it can realize increasing self-healing sealing ring at the side of its sealing ring, further promotes the holistic sealed effect of sealing ring.)

1. A water pump, includes water pump body (12), its characterized in that: the sealing ring is arranged in the water pump body (12), the sealing ring comprises a main sealing ring and a self-healing sealing ring (1), the self-healing sealing ring (1) is located on two sides of the main sealing ring, the self-healing sealing ring (1) comprises an inner heat insulating layer (5), an outer heat insulating layer (1) is arranged on the inner heat insulating layer (5), a protection mechanism is filled between the outer heat insulating layer (1) and the inner heat insulating layer (5), the protection mechanism comprises a first engineering rubber layer (2), a self-healing layer (3) and a second engineering rubber layer (4), the self-healing layer (3) is arranged between the outer heat insulating layer (1) and the inner heat insulating layer (5), the first engineering rubber layer (2) is located between the self-healing layer (3) and the outer heat insulating layer (1), a vacuum is pumped in the first engineering rubber layer (2), a gypsum powder (6) and an elastic film ball (7) are filled in the first engineering rubber layer, second engineering rubber layer (4) are located between self-healing layer (3) and interior heat insulation layer (5), the vacuole formation is taken out in second engineering rubber layer (4), second engineering rubber layer (4) intussuseption is filled with water-absorbing resin powder (8).

2. A water pump as claimed in claim 1, wherein: elastic film ball (7) include TPE clean shot (10) and pellicle (11), take out into the vacuum in TPE clean shot (10), and the both ends of TPE clean shot (10) have seted up the opening, be connected with pellicle (11) on the opening, TPE clean shot (10) intussuseption is filled with potassium iodide powder (9), self-healing layer (3) adopt self-healing rubber material.

3. A water pump as claimed in claim 1, wherein: the first engineering rubber layer (2) is also filled with nano-scale graphene particles.

4. A water pump as claimed in claim 1, wherein: and the surface of the self-healing layer (3) is coated with an anticorrosive layer.

5. A water pump as claimed in claim 1, wherein: and a heat-conducting metal net is embedded in the inner heat-insulating layer (5).

6. A water pump as claimed in claim 1, wherein: the main sealing ring and the self-healing sealing ring (1) are integrally formed by adopting an injection molding process.

7. A water pump as claimed in claim 1, wherein: the cavity matched with the self-healing sealing ring (1) is formed in the two side faces of the main sealing ring, the self-healing sealing ring (1) is located in the cavity, and the self-healing sealing ring (1) is fixedly connected with the main sealing ring.

8. A water pump as claimed in claim 1, wherein: the surface of the self-healing sealing ring (1) is plated with a nano waterproof film.

Technical Field

The invention relates to the field of water pumps, in particular to a water pump.

Background

Water pumps are machines that deliver or pressurize a liquid. It transfers the mechanical energy of prime mover or other external energy to liquid to increase the energy of liquid, and is mainly used to transfer liquid including water, oil, acid-base liquid, emulsion, suspoemulsion and liquid metal.

Liquids, gas mixtures, and liquids containing suspended solids may also be transported. The technical parameters of the water pump performance include flow, suction lift, shaft power, water power, efficiency and the like; the pump can be divided into a volume water pump, a vane pump and the like according to different working principles. The displacement pump transfers energy by utilizing the change of the volume of a working chamber; vane pumps transfer energy by the interaction of rotating vanes with water and are available in the types of centrifugal pumps, axial flow pumps, mixed flow pumps, and the like.

The water pump has the advantages of being critical in sealing performance, good in sealing performance, capable of reducing backflow loss of high-pressure water when the water pump works, improving efficiency of the water pump, capable of bearing abrasion and convenient to overhaul and replace. The sealing ring is seriously abraded, so that the drainage efficiency of the water pump is greatly influenced.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a water pump which can realize improvement on the side edge of a sealing ring of the water pump and further improve the overall sealing effect of the sealing ring.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A water pump comprises a water pump body, wherein a sealing ring is arranged in the water pump body, the sealing ring comprises a main sealing ring and a self-healing sealing ring, the self-healing sealing ring is located on two side faces of the main sealing ring, the self-healing sealing ring comprises an inner heat insulating layer, an outer heat insulating layer is arranged on the inner heat insulating layer, a protection mechanism is filled between the outer heat insulating layer and the inner heat insulating layer and comprises a first engineering rubber layer, a self-healing layer and a second engineering rubber layer, the self-healing layer is arranged between the outer heat insulating layer and the inner heat insulating layer, the first engineering rubber layer is located between the self-healing layer and the outer heat insulating layer, the first engineering rubber layer is internally vacuumized, the first engineering rubber layer is internally filled with gypsum powder and an elastic film ball, the elastic film ball comprises a TPE hollow ball and a semipermeable membrane, the TPE hollow ball, be connected with the pellicle on the opening, the hollow ball intussuseption of TPE is filled with potassium iodide powder, second engineering rubber level is between self-healing layer and the interior heat insulation layer, take out into the vacuum in the second engineering rubber level, the second engineering rubber level intussuseption is filled with absorbent resin powder, when outer heat insulation layer is damaged, get into water in the first engineering rubber level, elasticity film ball resumes the ball-type, the self-healing sealing ring thickening, make the side of sealing ring keep sealed effect, also damaged when the self-healing layer, potassium iodide powder mixes with gypsum powder in the partly damaged elasticity film ball, make gypsum powder meet water inflation and caking, block up damaged department, self-healing layer self-healing simultaneously, the leakproofness of keeping the self-healing sealing ring, also damaged when interior heat insulation layer, self-healing sealing ring and main sealing ring will break away from, water is at first absorbed by absorbent resin powder, gypsum powder absorbs the water that the part flows through the self-healing layer that does not come, preventing further outflow of water.

Preferably, the self-healing layer adopts the self-healing rubber material, and the self-healing rubber not only has the self-healing ability, has ductility and pliability moreover, makes the self-healing sealing ring have better durability.

Preferably, the first engineering rubber layer is filled with powder pigment, and the powder pigment enables the damaged part to be better found by maintenance personnel and timely replaced.

Preferably, the surface of the self-healing layer is coated with an anticorrosive coating, which makes the self-healing layer less susceptible to corrosion.

Preferably, the heat conduction metal mesh is embedded in the inner heat insulation layer, the heat conduction effect of the heat conduction metal mesh is good, and the strength of the inner heat insulation layer can be improved.

Preferably, the main sealing ring and the self-healing sealing ring adopt an integrally formed injection molding process, and the self-healing sealing ring can be better prevented from being separated from the main sealing ring by the integrally formed injection molding process, so that mutual friction damage is formed.

Preferably, the cavity with self-healing sealing ring assorted has been seted up to main sealing ring's both sides face, the self-healing sealing ring is located the cavity, and self-healing sealing ring and main sealing ring fixed connection, and the main sealing ring is direct with self-healing sealing ring parcel in inside, can be better play the guard action to the side.

Preferably, the surface of the self-healing sealing ring is plated with a nano waterproof film, so that the self-healing sealing ring is not easy to age after being soaked by water.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) this scheme is damaged as outer heat insulation layer, get into water in the first engineering rubber layer, the elastic film ball resumes the ball-type, the self-healing sealing ring thickening, the side that makes the sealing ring keeps sealed effect, also damaged when the self-healing layer, potassium iodide powder mixes with the gypsum powder in the elastic film ball of part damage, make the gypsum powder meet water inflation and caking, block up damaged department, the self-healing layer self-healing simultaneously, keep the leakproofness of self-healing sealing ring, also damaged when interior heat insulation layer, the self-healing sealing ring will break away from with main sealing ring, water is at first absorbed by the water absorbent resin powder, the gypsum powder absorbs the water that the part flow through the self-healing layer that does not reach the healing, prevent the further outflow of water.

(2) The self-healing layer is made of a self-healing rubber material, and the self-healing rubber not only has self-healing capacity, but also has ductility and flexibility, so that the self-healing sealing ring has better durability.

(3) Still pack in the first engineering rubber layer has powder pigment, and powder pigment makes damaged department can be better by the discovery of maintenance personal, carries out timely change.

(4) The surface of the self-healing layer is coated with an anticorrosive coating which makes the self-healing layer not easy to be corroded.

(5) The heat conduction metal mesh is embedded in the inner heat insulation layer, the heat conduction effect of the heat conduction metal mesh is good, and the strength of the inner heat insulation layer can be improved.

(6) The main sealing ring and the self-healing sealing ring adopt an integrally formed injection molding process, and the self-healing sealing ring can be better prevented from being separated from the main sealing ring by the integrally formed injection molding process, so that mutual friction damage is formed.

(7) The both sides face of main seal ring seted up with self-healing sealing ring assorted cavity, the self-healing sealing ring is located the cavity, and self-healing sealing ring and main seal ring fixed connection, and the main seal ring is direct will be self-healing sealing ring parcel in inside, can be better play the guard action to the side.

(8) The surface of the self-healing sealing ring is plated with a nano waterproof film, so that the self-healing sealing ring is not easy to age after being soaked by water.

Drawings

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

FIG. 2 is a schematic structural view of a seal ring according to the present invention;

FIG. 3 is a schematic structural view of a self-healing seal ring according to the present invention;

FIG. 4 is a schematic view of the flattened elastic membrane spheres of the present invention;

FIG. 5 is a schematic view of the structure of the elastic film ball when it is being bulged.

The reference numbers in the figures illustrate:

1 outer heat insulation layer, 2 first engineering rubber layers, 3 self-healing layers, 4 second engineering rubber layers, 5 interior heat insulation layers, 6 gypsum powder, 7 elastic membrane balls, 8 water-absorbing resin powder, 9 potassium iodide powder, 10 TPE hollow spheres and 11 semipermeable membranes.

Detailed Description

The drawings in the embodiments of the invention will be combined; the technical scheme in the embodiment of the invention is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the invention; rather than all embodiments. Based on the embodiments of the invention; all other embodiments obtained by a person skilled in the art without making any inventive step; all fall within the scope of protection of the present invention.