CN218892227U

CN218892227U - Fixed knot constructs and 3D printer shower nozzle

Info

Publication number: CN218892227U
Application number: CN202222705521.XU
Authority: CN
Inventors: 徐文婷
Original assignee: Liaoning Tongren Zhongcheng Medical Technology Co ltd
Current assignee: Liaoning Tongren Zhongcheng Medical Technology Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-04-21
Anticipated expiration: 2032-10-13

Abstract

The utility model relates to the technical field related to 3D printers, in particular to a fixing structure, which comprises a mounting piece, a butt joint piece and a locking component, wherein the mounting piece is composed of a positioning seat and a butt joint pipe, a mounting groove is formed in the positioning seat, a pushing seat groove is formed in the side wall of the mounting groove, and a 3D printer nozzle is further disclosed; the 3D printer nozzle is positioned and installed through the fixed structure formed by combining the installation piece, the butt joint piece and the anti-loosening component, the installation groove is formed in the positioning seat of the installation piece, the pushing seat groove is formed in the side wall of the installation groove, the primary anti-loosening tooth is arranged on the lower end face of the butt joint piece, the anti-loosening component is formed by combining the base, the elastic supporting piece, the movable seat, the secondary anti-loosening tooth and the pushing seat, and the mutual meshing interaction of the primary anti-loosening tooth and the secondary anti-loosening tooth is achieved, so that the loosening phenomenon of the 3D printer nozzle is effectively avoided, and the running stability of the 3D printer nozzle is guaranteed.

Description

Fixed knot constructs and 3D printer shower nozzle

Technical Field

The utility model relates to the technical field related to 3D printers, in particular to a fixed structure and a 3D printer nozzle.

Background

The 3D printer is also called a three-dimensional printer (3 DPrinter for short, 3 DP) which is a rapid forming process, a three-dimensional model is manufactured in a layering mode, the operation process of the three-dimensional printer is similar to that of a traditional printer, the traditional printer prints ink on paper to form a two-dimensional plane drawing, and the three-dimensional printer realizes layering and stacking of liquid photosensitive resin materials, molten plastic wires, gypsum powder and other materials in a mode of spraying adhesives or extruding to form a three-dimensional entity;

the 3D printer nozzle is an ejection outlet of the 3D printer material, the ejection outlet needs to be frequently disassembled and replaced, the traditional printer nozzle is screwed on the 3D printer by adopting a threaded structure on the ejection outlet, the 3D printer nozzle needs to frequently move when in operation, the threaded connection structure of the 3D printer nozzle possibly generates loosening phenomenon under the environment of high-frequency movement, in order to avoid the divergence of the phenomenon, a worker usually screws the nozzle structure as much as possible, but the disassembly and assembly process of the nozzle is laborious and easily causes sliding wires of the threaded structure, so that the whole structure needs to be disassembled and replaced, and the maintenance cost is increased.

Disclosure of Invention

The utility model aims to provide a fixing structure and a 3D printer nozzle, so as to solve the problems in the background technology.

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

the mounting piece is composed of a positioning seat and a butt joint pipe, a mounting groove is formed in the positioning seat, and a pushing seat groove is formed in the side wall of the mounting groove;

the butt joint part is a round pipe, an inner thread structure is arranged at the lower side end of the inner cavity of the butt joint part, and primary anti-loosening teeth are arranged on the lower end surface of the butt joint part;

the anti-loosening assembly is arranged in the mounting groove and consists of a base, an elastic supporting piece, a movable seat, two-stage anti-loosening teeth and a pushing seat.

Preferably, the inner contour of the mounting groove is circular, the outer contour of the mounting groove is regular hexagon, and the section sizes of the base and the movable seat are matched with the section size of the mounting groove.

Preferably, the two ends of the elastic supporting piece are respectively connected with the base and the movable seat, the second-level anti-loose teeth and the pushing seat are integrally formed with the movable seat, and the pushing seat is movably arranged in the pushing seat groove.

Preferably, the primary anti-loosening tooth and the secondary anti-loosening tooth are of convex structures with right-angled triangle cross sections, the primary anti-loosening tooth and the secondary anti-loosening tooth are uniformly provided with a circle, the primary anti-loosening tooth and the secondary anti-loosening tooth are correspondingly arranged, the mounting piece is in the screwing process, the inclined plane of the secondary anti-loosening tooth and the inclined plane of the primary anti-loosening tooth move in opposite directions, the elastic supporting piece is in a compressed state after the mounting piece is actually screwed, and at the moment, the distance value between the lower side edge of the pushing seat and the bottom of the pushing seat groove is larger than the height value of the primary anti-loosening tooth.

Preferably, the elastic support piece is of a shuttle-shaped frame structure, the elastic support piece is integrally cast and formed by spring steel, and the elastic support piece is fixedly glued with the base and the movable base.

Preferably, the end part of the pushing seat protrudes out of the pushing seat groove, the outer end surface of the pushing seat is integrally formed with the anti-slip protrusions, the anti-slip protrusions are rod-shaped protrusions with semicircular sections, and the anti-slip protrusions are uniformly provided with a plurality of channels.

The utility model provides a 3D printer shower nozzle, 3D printer shower nozzle has above-mentioned fixed knot constructs, and fixed knot constructs's installed part and 3D printer shower nozzle's body integrated into one piece, and butt joint spare and 3D printer body fixed connection.

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

1. the 3D printer nozzle is positioned and installed through the fixed structure formed by combining the installation piece, the butt joint piece and the anti-loosening component, the installation groove is formed in the positioning seat of the installation piece, the pushing seat groove is formed in the side wall of the installation groove, the primary anti-loosening tooth is arranged on the lower end face of the butt joint piece, the anti-loosening component is formed by combining the base, the elastic supporting piece, the movable seat, the secondary anti-loosening tooth and the pushing seat, and therefore the loosening phenomenon of the 3D printer nozzle is effectively avoided through the mutual meshing action of the primary anti-loosening tooth and the secondary anti-loosening tooth, and the operation stability of the 3D printer nozzle is guaranteed;

2. and ensure that the tip protrusion of pushing the seat is in pushing the outside of seat groove to the outer terminal surface integrated into one piece at pushing the seat is provided with the non-slip raised, thereby improves the staff and promotes the convenience of pushing the seat.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of the structure of the butt joint part according to the present utility model;

FIG. 3 is a schematic view of a mounting structure according to the present utility model;

fig. 4 is a schematic structural view of the anti-loosening assembly of the present utility model.

In the figure: the anti-loosening device comprises a mounting piece 1, a butting piece 2, an anti-loosening assembly 3, a primary anti-loosening tooth 4, a positioning seat 5, a butting pipe 6, a mounting groove 7, a pushing seat groove 8, a base 9, an elastic supporting piece 10, a movable seat 11, a secondary anti-loosening tooth 12, a pushing seat 13 and anti-loosening protrusions 14.

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.

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, 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.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-4, the present utility model provides three preferred embodiments:

example 1

The utility model provides a fixed knot constructs, fixed knot constructs including installed part 1, butt joint piece 2 and locking subassembly 3, installed part 1 comprises positioning seat 5 and butt joint pipe 6 combination, set up mounting groove 7 on the positioning seat 5, set up on the lateral wall of mounting groove 7 and promote seat groove 8, butt joint piece 2 is a section pipe, and the inner chamber of butt joint piece 2 has been offered the internal thread structure near the downside end, and the lower terminal surface of butt joint piece 2 is provided with one-level locking tooth 4, locking subassembly 3 sets up in mounting groove 7, and locking subassembly 3 comprises base 9, elastic support element 10, movable seat 11, second grade locking tooth 12 and promotion seat 13 combination.

The inner contour of the mounting groove 7 is circular, the outer contour of the mounting groove 7 is regular hexagon, and the cross section sizes of the base 9 and the movable seat 11 are matched with the cross section size of the mounting groove 7.

The two ends of the elastic supporting piece 10 are respectively connected with the base 9 and the movable seat 11, the two-stage locking teeth 12 and the pushing seat 13 are integrally formed with the movable seat 11, and the pushing seat 13 is movably arranged in the pushing seat groove 8.

The primary anti-loose tooth 4 and the secondary anti-loose tooth 12 are of convex structures with right-angled triangle cross sections, the primary anti-loose tooth 4 and the secondary anti-loose tooth 12 are uniformly provided with a circle, the primary anti-loose tooth 4 and the secondary anti-loose tooth 12 are correspondingly arranged, the mounting piece 1 is in the screwing process, the inclined plane of the secondary anti-loose tooth 12 and the inclined plane of the primary anti-loose tooth 4 move in opposite directions, the elastic supporting piece 10 of the mounting piece 1 is in a compressed state after the mounting piece 1 is actually screwed, and at the moment, the distance value between the lower side edge of the pushing seat 13 and the bottom of the pushing seat groove 8 is larger than the height value of the primary anti-loose tooth 4.

The elastic support piece 10 is in a shuttle-shaped frame structure, the elastic support piece 10 is integrally cast and formed by spring steel, and the elastic support piece 10 is fixedly glued with the base 9 and the movable seat 11.

The 3D printer nozzle is positioned and installed through the fixed structure formed by combining the mounting piece 1, the butt joint piece 2 and the anti-loosening component 3, the mounting groove 7 is formed in the positioning seat 5 of the mounting piece 1, the pushing seat groove 8 is formed in the side wall of the mounting groove 7, the primary anti-loosening tooth 4 is arranged on the lower end face of the butt joint piece 2, the anti-loosening component 3 is formed by combining the base 9, the elastic supporting piece 10, the movable seat 11, the secondary anti-loosening tooth 12 and the pushing seat 13, and therefore the loosening phenomenon of the 3D printer nozzle is effectively avoided through the mutual meshing action of the primary anti-loosening tooth 4 and the secondary anti-loosening tooth 12, and the running stability of the 3D printer nozzle is ensured.

Example two

On the basis of the first embodiment, the end part of the pushing seat 13 protrudes outside the pushing seat groove 8, the outer end surface of the pushing seat 13 is integrally formed with the anti-skidding protrusions 14, the anti-skidding protrusions 14 are rod-shaped protrusions with semicircular sections, and the anti-skidding protrusions 14 are uniformly provided with a plurality of channels.

By ensuring that the end part of the pushing seat 13 protrudes outside the pushing seat groove 8 and the anti-slip boss 14 is integrally formed on the outer end surface of the pushing seat 13, the convenience of pushing the pushing seat 13 by a worker is improved.

Example III

On the basis of the second embodiment, the 3D printer nozzle is provided with the fixing structure, the mounting piece 1 of the fixing structure and the body of the 3D printer nozzle are integrally formed, and the butt joint piece 2 is fixedly connected with the 3D printer body.

When in actual use, when the 3D printer nozzle needs to be installed, a worker directly screws the butt joint pipe 6 of the 3D printer nozzle onto the butt joint piece 2, when the 3D printer nozzle needs to be disassembled, the worker pushes the pushing seat 13 to the bottom of the pushing seat groove 8, and then screws the 3D printer nozzle down.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims

1. A fixed knot constructs characterized in that: the fixing structure includes:

the mounting piece (1), the mounting piece (1) is formed by combining a positioning seat (5) and a butt joint pipe (6), a mounting groove (7) is formed in the positioning seat (5), and a pushing seat groove (8) is formed in the side wall of the mounting groove (7);

the butt joint part (2), the butt joint part (2) is a round pipe, an inner thread structure is arranged at the lower side end of the inner cavity of the butt joint part (2), and a first-stage anti-loosening tooth (4) is arranged at the lower end face of the butt joint part (2);

the anti-loosening assembly (3), anti-loosening assembly (3) is arranged in the mounting groove (7), and the anti-loosening assembly (3) is formed by combining a base (9), an elastic supporting piece (10), a movable seat (11), two-stage anti-loosening teeth (12) and a pushing seat (13).

2. A fastening structure according to claim 1, wherein: the inner outline of the mounting groove (7) is circular, the outer outline of the mounting groove (7) is regular hexagon, and the cross section sizes of the base (9) and the movable seat (11) are matched with the cross section size of the mounting groove (7).

3. A fastening structure according to claim 2, wherein: the two ends of the elastic supporting piece (10) are respectively connected with the base (9) and the movable seat (11), the two-stage anti-loose teeth (12) and the pushing seat (13) are integrally formed with the movable seat (11), and the pushing seat (13) is movably arranged in the pushing seat groove (8).

4. A fastening structure according to claim 3, wherein: the anti-loosening device is characterized in that the first-stage anti-loosening teeth (4) and the second-stage anti-loosening teeth (12) are of convex structures with right-angled triangles in cross sections, the first-stage anti-loosening teeth (4) and the second-stage anti-loosening teeth (12) are uniformly provided with a circle, the first-stage anti-loosening teeth (4) and the second-stage anti-loosening teeth (12) are correspondingly arranged, the mounting piece (1) is in the tightening process, the inclined planes of the second-stage anti-loosening teeth (12) and the inclined planes of the first-stage anti-loosening teeth (4) move in opposite directions, and after the mounting piece (1) is actually tightened, the elastic supporting piece (10) of the mounting piece is in a compressed state, and at the moment, the distance value between the lower side edge of the pushing seat (13) and the bottom of the pushing seat groove (8) is larger than the height value of the first-stage anti-loosening teeth (4).

5. A fastening structure according to claim 4, wherein: the elastic support piece (10) is of a shuttle-shaped frame structure, the elastic support piece (10) is integrally cast and formed by spring steel, and the elastic support piece (10) is fixedly glued with the base (9) and the movable base (11).

6. A fastening structure according to claim 5, wherein: the end part of the pushing seat (13) protrudes outside the pushing seat groove (8), the outer end surface of the pushing seat (13) is integrally formed with the anti-slip protrusions (14), the anti-slip protrusions (14) are rod-shaped protrusions with semicircular cross sections, and the anti-slip protrusions (14) are uniformly provided with a plurality of channels.

7. 3D printer shower nozzle, its characterized in that: the 3D printer nozzle is provided with the fixing structure according to any one of claims 1-6, the mounting piece (1) of the fixing structure and the body of the 3D printer nozzle are integrally formed, and the butt joint piece (2) is fixedly connected with the 3D printer body.