CN219254075U

CN219254075U - Novel plunger head

Info

Publication number: CN219254075U
Application number: CN202223459468.6U
Authority: CN
Inventors: 晏焕广; 黄忠建; 蔡毛毛; 黄晓财
Original assignee: Zhejiang Jiancheng Auto Parts Co ltd
Current assignee: Zhejiang Jiancheng Auto Parts Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-06-27
Anticipated expiration: 2032-12-22

Abstract

The utility model discloses a novel plunger head, wherein an outer sleeve thread is butted inside the tail end of a base body, a cooling cavity is arranged in the center of the inside of the base body, a spiral cooling pore canal is arranged outside the cooling cavity in the inside of the base body, a liquid inlet hole is formed in the inside of the base body, a sealing ring is arranged at the butted end of the inside of the base body, an inserting hole is formed in the center of the outer sleeve, a cooling guide pipe is inserted in the inserting hole, one end of the inner side of the cooling guide pipe is communicated with the inside of the cooling cavity, and a liquid outlet hole is formed in the outer sleeve. According to the novel plunger head, during the working period, the cooling liquid is continuously injected into the cooling cavity in the cooling guide pipe, then the cooling liquid is pressed into the spiral cooling pore canal at the liquid inlet hole and flows spirally until flowing into the liquid outlet hole, is led out to the position between the plug hole and the cooling guide pipe and can be discharged, the spiral cooling function can be realized, the cooling effect is more obvious, and the whole service life of the plunger head can be effectively prolonged.

Description

Novel plunger head

Technical Field

The utility model relates to the field of mechanical industrial products, in particular to a novel plunger head.

Background

The plunger head used in the existing die casting machine and other equipment is usually cast by adopting ferrous metal ductile iron, and has the defects of wear resistance, very severe wear in the production process, frequent replacement, material waste, production delay and production cost increase.

A plunger head having application number 201120312209.3, comprising a base and a jacket, the front end of the jacket being inserted into the base; the centers of the base body and the jacket are provided with hollow parts, and the front end of the base body is the end face of the base body; the hollow part of the matrix does not penetrate through the end face of the matrix, the hollow part of the outer sleeve penetrates through the whole outer sleeve, and the hollow part of the matrix is in butt joint with the hollow part of the outer sleeve; the plunger head is also provided with a cooling liquid pipe which passes through the hollow part of the outer sleeve and is communicated with the hollow part of the matrix; the end face of the matrix is provided with a nano coating; the front end of the outer sleeve is provided with a sealing ring at the position contacted with the base body. According to the utility model, the nano coating is arranged on the end face of the plunger head matrix, so that the whole plunger head has higher wear resistance, and the cooling liquid is injected into the plunger head through the cooling liquid pipe, so that the temperature of the plunger head in working is reduced, the plunger head is protected, and the service life of the plunger head can be prolonged; in addition, the technology is adopted, so that the production process is simpler and the production cost is lower.

However, in this application, the hollow portion is sealed integrally, and the cooling liquid introduced by the cooling liquid pipe cannot be injected into the hollow portion for cooling operation because of the sealing, even if part of the cooling liquid is introduced into the hollow portion, the cooling liquid cannot be changed, so that the internal liquid is heated continuously, and then expansion occurs, so that the overall strength of the cooling liquid pipe is affected, and the cooling effect is not obvious.

Based on the above, the present utility model has devised a novel plunger head to solve the above-mentioned problems.

Disclosure of Invention

The present utility model is directed to a novel plunger head, which solves the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a novel plunger head, includes base member, overcoat and is located left base member terminal surface, its characterized in that, the overcoat screw thread dock in inside the tail end of base member, inside center of base member is provided with the cooling chamber, inside in the cooling chamber outside is provided with spiral cooling pore, inside the being provided with of base member advances liquid hole, inside butt joint end department of base member is provided with the sealing washer, the overcoat center is provided with the spliced eye, the inside grafting of spliced eye has the cooling duct, the inboard one end of cooling duct leads to the inside of cooling chamber, the inside liquid hole that is provided with of overcoat.

As a further scheme of the utility model, one end of the inner side of the liquid inlet hole is communicated with the inside of the cooling cavity, and the other end of the liquid inlet hole is communicated with one end of the innermost side of the spiral cooling pore canal.

As a further scheme of the utility model, one end of the inner side of the liquid outlet hole is communicated with the inner part of the outermost end of the spiral cooling pore canal, and one end of the outer side of the liquid outlet hole is communicated with the inner part of the plug hole.

As a further aspect of the present utility model, both sides of the seal ring are respectively pressed against the connecting end face between the base body and the jacket.

As a further aspect of the present utility model, the inner side surface of the seal ring is sealed to the outer side tube surface of the cooling tube.

As a further aspect of the present utility model, the base end face is provided at a front end of the base.

As a further scheme of the utility model, the surface of the end face of the substrate is provided with a nano coating.

Compared with the prior art, the utility model has the beneficial effects that:

during the working of the utility model, the cooling liquid is continuously injected into the cooling cavity in the cooling conduit, then the cooling liquid is pressed into the spiral cooling pore canal in the liquid inlet hole due to the water pressure problem and flows spirally until flowing into the liquid outlet hole and is led out between the plug hole and the cooling conduit, and the cooling liquid can be discharged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms of "top", "bottom", "one side", "the other side", "front", "rear", "middle portion", "inner", "top", "bottom", etc., are directions or positional relationships based on the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

FIG. 1 is a schematic view of the overall internal cross-sectional structure of a novel plunger head according to the present utility model;

FIG. 2 is a schematic view of a cross-sectional view of the interior of a base of a novel plunger head according to the present utility model;

fig. 3 is a schematic view showing the structure of the cut surface inside the outer jacket of the novel plunger head according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a base; 2. a jacket; 3. a base end surface; 4. a cooling chamber; 5. a plug hole; 6. a cooling conduit; 7. a seal ring; 8. a liquid inlet hole; 9. a spiral cooling duct; 10. and a liquid outlet hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-3, the utility model provides a novel plunger head, which comprises a base body 1, a jacket 2 and a base body end face 3 positioned at the left side, and is characterized in that the jacket 2 is in threaded butt joint with the inside of the tail end of the base body 1, a cooling cavity 4 is arranged in the center of the inside of the base body 1, a spiral cooling pore 9 is arranged outside the cooling cavity 4 in the inside of the base body 1, a liquid inlet hole 8 is formed in the inside of the base body 1, a sealing ring 7 is arranged at the butt joint end of the inside of the base body 1, a splicing hole 5 is formed in the center of the jacket 2, a cooling guide pipe 6 is spliced in the splicing hole 5, one end of the inner side of the cooling guide pipe 6 is communicated with the inside of the cooling cavity 4, and a liquid outlet hole 10 is formed in the inside of the jacket 2.

Through the scheme of the utility model, one end of the inner side of the liquid inlet hole 8 is communicated with the inside of the cooling cavity 4, and the other end of the liquid inlet hole 8 is communicated with the innermost end of the spiral cooling pore canal 9.

Through the scheme of the utility model, one end of the inner side of the liquid outlet hole 10 is communicated with the inner side of the outermost side of the spiral cooling pore channel 9, and one end of the outer side of the liquid outlet hole 10 is communicated with the inner side of the plug hole 5.

By the above scheme of the utility model, two sides of the sealing ring 7 are respectively pressed on the connecting end surface between the base body 1 and the outer sleeve 2.

By the above-mentioned scheme of the utility model, the inner side surface of the sealing ring 7 is sealed on the outer side tube surface of the cooling duct 6.

By the above-described aspect of the present utility model, the base end face 3 is provided at the front end of the base 1.

By the scheme of the utility model, the surface of the end face 3 of the substrate is provided with the nano coating.

In practical application, during operation, the cooling liquid is continuously injected into the cooling cavity 4 inside the cooling conduit 6, and then the cooling liquid is pressed into the spiral cooling pore canal 9 at the liquid inlet hole 8 and flows spirally until flowing into the liquid outlet hole 10, and is led out to the position between the plug hole 5 and the cooling conduit 6 and can be discharged, so that the spiral cooling function can be realized during operation, the cooling effect is more obvious, and the whole service life of the plunger head can be effectively prolonged.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a novel plunger head, includes base member (1), overcoat (2) and is located left base member terminal surface (3), its characterized in that, overcoat (2) screw thread dock in inside the tail end of base member (1), inside center of base member (1) is provided with cooling chamber (4), inside in cooling chamber (4) outside is provided with spiral cooling pore channel (9), inside inlet opening (8) that are provided with of base member (1), inside butt joint end department of base member (1) is provided with sealing washer (7), overcoat (2) center is provided with spliced eye (5), inside grafting of spliced eye (5) has cooling duct (6), cooling duct (6) inboard one end is led to the inside of cooling chamber (4), inside liquid outlet opening (10) that are provided with of overcoat (2).

2. The novel plunger head according to claim 1, wherein one end of the inner side of the liquid inlet hole (8) is communicated with the inside of the cooling cavity (4), and the other end of the liquid inlet hole (8) is communicated with the innermost end of the spiral cooling pore channel (9).

3. The novel plunger head according to claim 1, wherein one end of the inner side of the liquid outlet hole (10) is communicated with the inner side of the outermost end of the spiral cooling hole channel (9), and one end of the outer side of the liquid outlet hole (10) is communicated with the inner side of the plug hole (5).

4. A novel plunger head according to claim 1, characterized in that the two sides of the sealing ring (7) are pressed against the connecting end face between the base body (1) and the jacket (2) respectively.

5. A new plunger head according to claim 1 or 4, characterized in that the inner side of the sealing ring (7) is sealed against the outer side of the cooling conduit (6).

6. The novel plunger head according to claim 1, wherein the base end surface (3) is provided at a front end of the base (1).

7. A novel plunger head according to claim 1 or 6, characterized in that the surface of the base body end face (3) is provided with a nano-coating.