CN220973353U - Quick-dismantling nozzle spray head - Google Patents

Abstract

The quick-dismantling nozzle spray head comprises a spray head body, wherein a throat is fixedly connected to an inner cavity of the spray head body, a nozzle is fixedly connected to the end part of the throat, and the throat and the nozzle are integrally formed; through with nozzle and venturi integrated into one piece, on the one hand make the junction of venturi and nozzle not have the condition emergence of leaking the material, on the other hand through screw thread with venturi and radiator block fixed connection for dismantle simply, the dismouting action is gentle, has reduced the injury to the shower nozzle.

Description

Quick-dismantling nozzle spray head

Technical Field

The application relates to the technical field of 3D printers, in particular to a quick-dismantling nozzle spray head.

Background

The 3D printer nozzle is a key component in the 3D printer, and is responsible for jetting or stacking materials layer by layer to construct a final three-dimensional object, and mainly comprises a heat dissipation part, a throat pipe, a heating part and a nozzle, wherein solid materials are extruded from the nozzle after being heated to a molten state in the throat pipe.

In the prior art, the nozzle is replaced by frequent operation in the printing process, and in the existing spray head, the nozzle and the throat are often connected through threads or other fixing structures, so that the melting of materials in the throat and the extrusion function of the materials in the nozzle are separated, the nozzle and consumable materials are connected stably, the nozzle and the consumable materials are often fixed through the fixing structures which are required to be disassembled and assembled strongly, the spray head is possibly damaged, and meanwhile, the junction of the throat and the nozzle is still easy to overflow with molten materials, so that material leakage is caused.

Accordingly, the inventors have had a need to design a new quick-release nozzle tip to overcome the above-mentioned problems.

Disclosure of Invention

The application mainly aims to provide a quick-dismantling nozzle spray head, which is used for solving the problems that a nozzle is not easy to dismantle and material leakage is easy to occur in the related art.

In order to achieve the above purpose, the application provides a quick-release nozzle spray head, which comprises a spray head body, wherein a throat pipe is fixedly connected to an inner cavity of the spray head body, a nozzle is fixedly connected to the end part of the throat pipe, and the throat pipe and the nozzle are integrally formed.

Preferably, the spray head body comprises a heat dissipation block and a heating assembly, the heat dissipation block is fixedly connected with the heating assembly through a fixing piece, and the throat is inserted into the inner cavity of the heating assembly and is fixedly connected with the heat dissipation block.

Preferably, the fixing piece comprises a fixing block, and the fixing block is fixedly connected to the radiating block through a bolt.

Preferably, the heating assembly comprises a heating block, a heating body and a heat preservation sleeve, wherein threads are arranged on the outer wall of the end part of the heating block, the heating block is fixedly connected with the fixing block through a nut, the heating body is fixedly sleeved on the outer wall of the heating block, and the heat preservation sleeve is fixedly sleeved on the outer wall of the heating body.

Preferably, the outer wall of the end part of the throat pipe is provided with threads, and the throat pipe is in threaded connection with the radiating block.

Preferably, the outer wall of the nozzle is fixedly connected with a heat-insulating ring, and a fixing structure is arranged between the heat-insulating ring and the nozzle.

Preferably, the fixing structure comprises a clamping ring and a clamping groove which are matched with each other, the clamping ring is fixedly arranged on the inner wall of the heat preservation ring, and the clamping groove is formed in the outer wall of the nozzle.

Preferably, the outer wall of the bottom of the heating block is provided with a first limit step, the top of the heat preservation sleeve is abutted to the fixed block, the inner wall of the top of the heat preservation sleeve is provided with a second limit step, and the heating body is clamped between the first limit step and the second limit step.

Preferably, the outer wall of the heating body is provided with an electric connection protrusion, and the insulating sleeve is provided with an electric connection opening.

Preferably, the heat insulation sleeve and the heat insulation ring are made of silica gel.

Compared with the prior art, the quick-dismantling nozzle spray head has the beneficial effects that:

Through with nozzle and venturi integrated into one piece, on the one hand make the junction of venturi and nozzle not have the condition emergence of leaking the material, on the other hand through screw thread with venturi and radiator block fixed connection for dismantle simply, the dismouting action is gentle, has reduced the injury to the shower nozzle.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application. In the drawings:

FIG. 1 is an exploded view of the present utility model;

FIG. 2 is a general block diagram of the present utility model;

Fig. 3 is a cross-sectional view of the present utility model.

Wherein: 1. a throat; 2. a nozzle; 3. a heat dissipation block; 4. a fixed block; 5. a heating block; 6. a heating body; 7. a thermal insulation sleeve; 8. a nut; 9. a heat-insulating ring; 10. a clamping ring; 11. a clamping groove; 12. a first limit step; 13. a second limit step; 14. a power connection protrusion; 15. and an electric connection port.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the application herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

As shown in fig. 1 to 3, a quick-release nozzle 2 spray head comprises a spray head body, wherein a throat pipe 1 is fixedly connected to an inner cavity of the spray head body, a nozzle 2 is fixedly connected to the end part of the throat pipe 1, and the throat pipe 1 and the nozzle 2 are integrally formed; the spray head body comprises a heat dissipation block 3 and a heating assembly, wherein the heat dissipation block 3 is fixedly connected with the heating assembly through a fixing piece, and the throat pipe 1 is inserted into an inner cavity of the heating assembly and is fixedly connected with the heat dissipation block 3; the fixing piece comprises a fixing block 4, and the fixing block 4 is fixedly connected to the radiating block 3 through a bolt; the heating assembly comprises a heating block 5, a heating body 6 and a heat preservation sleeve 7, wherein threads are formed on the outer wall of the end part of the heating block 5, the heating block 5 is fixedly connected with the fixed block 4 through a nut 8, the heating body 6 is fixedly sleeved on the outer wall of the heating block 5, and the heat preservation sleeve 7 is fixedly sleeved on the outer wall of the heating body 6; the outer wall of the end part of the throat pipe 1 is provided with threads, and the throat pipe 1 is in threaded connection with the radiating block 3; when the heat insulation device works, materials enter through the top of the throat pipe 1, the heating body 6 heats the heating block 5, the heating block 5 transfers heat to the throat pipe 1, the heated and melted materials directly enter the nozzle 2 and are extruded, the heat insulation sleeve 7 is used for insulating the heating body 6, and heat loss is reduced; when the nozzle 2 needs to be disassembled, only the whole nozzle 2 and the connecting body of the throat 1 are required to be screwed from the nozzle 2, the throat 1 and the radiating block 3 are separated, the nozzle 2 and the throat 1 can be wholly disassembled, and the nozzle 2 and the throat 1 are integrally formed, so that the condition that leakage does not exist at the joint of the throat 1 and the nozzle 2 on one hand, and the throat 1 and the radiating block 3 are fixedly connected through threads on the other hand, the disassembly is simple, the disassembly and assembly actions are gentle, and the damage to a spray head is reduced.

A heat preservation ring 9 is fixedly connected to the outer wall of the nozzle 2, and a fixed structure is arranged between the heat preservation ring 9 and the nozzle 2; the fixing structure comprises a clamping ring 10 and a clamping groove 11 which are matched with each other, the clamping ring 10 is fixedly arranged on the inner wall of the heat preservation ring 9, and the clamping groove 11 is formed on the outer wall of the nozzle 2; during operation, the heat preservation ring 9 is clamped in the clamping groove 11 through the clamping ring 10, and the heat preservation ring 9 is used for preserving heat of the nozzle 2 and avoiding material re-solidification in the nozzle 2.

The outer wall of the bottom of the heating block 5 is provided with a first limit step 12, the top of the heat preservation sleeve 7 is abutted against the fixed block 4, the inner wall of the top of the heat preservation sleeve 7 is provided with a second limit step 13, and the heating body 6 is clamped between the first limit step 12 and the second limit step 13; during operation, the heating body 6 is sleeved on the heating block 5, the heat preservation sleeve 7 is sleeved outside the heating body 6, the heating body 6 is clamped between the first limiting step 12 and the second limiting step 13, then the nut 8 is screwed down to fix the heating block 5 and the fixed block 4 until the second limiting step 13 abuts against the fixed block 4, and the fixing of the heating block 5, the heating body 6 and the heat preservation sleeve 7 is achieved.

The outer wall of the heating body 6 is provided with an electric connection protrusion 14, and the heat preservation sleeve 7 is provided with an electric connection opening 15; in operation, the peripheral wires pass through the electrical port 15 and are connected with the node protrusions.

The heat preservation sleeve 7 and the heat preservation ring 9 are made of silica gel.

The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims (5)

1. The utility model provides a quick detach nozzle shower nozzle, includes shower nozzle body, its characterized in that: the inner cavity of the spray head body is fixedly connected with a throat pipe (1), the end part of the throat pipe (1) is fixedly connected with a nozzle (2), and the throat pipe (1) and the nozzle (2) are integrally formed;

The spray head body comprises a radiating block (3) and a heating assembly, wherein the radiating block (3) is fixedly connected with the heating assembly through a fixing piece, and the throat (1) is inserted into an inner cavity of the heating assembly and is fixedly connected with the radiating block (3);

The fixing piece comprises a fixing block (4), and the fixing block (4) is fixedly connected to the radiating block (3) through a bolt;

The heating assembly comprises a heating block (5), a heating body (6) and a heat preservation sleeve (7), wherein threads are formed on the outer wall of the end part of the heating block (5), the heating block (5) is fixedly connected with the fixing block (4) through a nut (8), the heating body (6) is fixedly sleeved on the outer wall of the heating block (5), and the heat preservation sleeve (7) is fixedly sleeved on the outer wall of the heating body (6);

The outer wall of the nozzle (2) is fixedly connected with a heat-insulating ring (9), and a fixed structure is arranged between the heat-insulating ring (9) and the nozzle (2);

the fixing structure comprises a clamping ring (10) and a clamping groove (11) which are matched with each other, the clamping ring (10) is fixedly arranged on the inner wall of the heat-insulating ring (9), and the clamping groove (11) is formed in the outer wall of the nozzle (2).

2. A quick release nozzle spray as claimed in claim 1, wherein: the outer wall of the end part of the throat pipe (1) is provided with threads, and the throat pipe (1) is in threaded connection with the radiating block (3).

3. A quick release nozzle spray as claimed in claim 1, wherein: the heating block (5) is characterized in that a first limiting step (12) is arranged on the outer wall of the bottom of the heating block, the top of the heat preservation sleeve (7) is abutted to the fixed block (4), a second limiting step (13) is arranged on the inner wall of the top of the heat preservation sleeve (7), and the heating body (6) is clamped between the first limiting step (12) and the second limiting step (13).

4. A quick release nozzle spray as claimed in claim 3, wherein: the outer wall of the heating body (6) is provided with an electricity connection protrusion (14), and the heat preservation sleeve (7) is provided with an electricity connection opening (15).

5. A quick release nozzle spray as claimed in claim 1, wherein: the heat preservation sleeve (7) and the heat preservation ring (9) are made of silica gel.