CN207643717U - A cordless 3D printing pen - Google Patents

Abstract

The utility model discloses a cordless 3D printing pen, wherein a hook plate is provided below a shell, the outer wall of the hook plate is connected to the inner wall of the shell by overlapping, a handle is provided on the left side of the hook plate, the outer wall of the handle is connected to the inner wall of the shell, a first feeding port is provided above the handle, the outer wall of the first feeding port is connected to the inner wall of the shell, and a second feeding port is provided on the left side of the first feeding port. The cordless 3D printing pen, through the cooperation among the shell, the first feeding port, the second feeding port, and the hook plate, under the action of the connecting rod, the hook plate drives the connecting rod and the push rod to form a linkage, so that the material can be dispersed and exported, thereby overcoming the disadvantage that the traditional printing device is easy to be blocked during export, and through the cooperation among the pen body, the center column, the push rod and the third feeding port, the pen head can be taken out from the shell and work independently, thereby overcoming the disadvantage that the traditional printing device needs to be connected to the power line material for operation, and is suitable for promotion and application.

Description

A cordless 3D printing pen

technical field

The utility model relates to the technical field of 3D printing, in particular to a cordless 3D printing pen.

Background technique

With the development of science and technology, 3D printing technology is more and more widely used in various fields. At the same time, 3D printing technology also appears in people's life in the form of more types of products, and 3D printing pen is one of them. The 3D printing pen uses hot-melt PLA, ABS and other plastic filaments to print and form the 3D products required for molding. The 3D printing pen is controlled by human hands and can realize three-dimensional painting according to people's wishes. In the existing technology, for example, the application number is 201620859328.3 The utility model patent includes a pen body, a pen head, a print head, buttons and a power cord. The pen body includes a pen holder and a handle connected to the bottom surface of the pen holder. Inside and extending from the front end of the pen head to the outside of the pen head, the button is installed on the pen container, the bottom end of the handle is provided with a horizontal plane for placing the printing pen horizontally, and a power input hole is also provided on the pen container, and the power input hole passes through the power supply The cable is connected to an external power adapter or a mobile power supply. The two sides of the pen container are provided with grooves respectively fitted with the inner part of the tiger's mouth and the root of the index finger. The grooves are arranged on the pen container on the back side of the handle. The utility model Although the structure is simple, there are many deficiencies and defects. In the existing equipment, the design of the pen body and the power cord has defects. The power cord of this design hinders the operation when drawing, and the position of the power cord needs to be adjusted from time to time. In order to avoid the above-mentioned technical problems, it is indeed necessary to provide a cordless 3D printing pen to overcome the defects in the prior art.

Utility model content

The purpose of this utility model is to provide a cordless 3D printing pen to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a cordless 3D printing pen, including a shell, a hook plate is provided under the shell, the outer wall of the hook plate is connected to the inner wall of the shell by overlapping, the hook The left side of the plate is provided with a handle, the outer wall of the handle is connected with the inner wall of the shell, the first feeding port is arranged above the handle, the outer wall of the first feeding port is connected with the inner wall of the shell, and the first feeding The left side of the mouth is provided with a second feeding port, the outer wall of the second feeding port is connected with the inner wall of the casing, the right side of the casing is provided with a nib, the outer wall of the nib is connected with the inner wall of the casing, the The inner wall of the housing is provided with a pen body, the outer wall of the pen body is connected to the inner wall of the housing by overlapping, the right outer wall of the pen body is connected to the left inner wall of the nib, and a bracket is provided under the pen body, The upper surface of the bracket is overlapped with the lower surface of the pen body, the lower surface of the bracket is connected with the inner wall of the shell, the outer wall of the hook plate is provided with a connecting rod, and the inner wall of the connecting rod is connected with the hook plate The outer wall of the connecting rod is overlapped and connected, the left side of the connecting rod is provided with a pull rod, the inner wall of the pulling rod is connected to the outer wall of the connecting rod by overlapping, the outer wall of the pulling rod is provided with a tension spring, and the outer wall of the tension spring is connected to the outer wall of the connecting rod. The inner walls of the pull rods are overlapped and connected, the upper surface of the pull rod is provided with a push rod, the lower surface of the push rod is connected with the upper surface of the pull rod, a second battery slot is arranged above the push rod, and the second battery The outer wall of the groove is connected with the inner wall of the shell, the bottom end of the outer wall of the pen body is provided with a retaining ring, the inner wall of the retaining ring is connected with the outer wall of the pen body, and the right side of the pen body is provided with a third feeding port, so The outer wall of the third feeding port is connected to the inner wall of the pen body by overlapping, the top of the inner wall of the pen body is provided with a chute, the outer wall of the chute is provided with a push rod, and the outer wall of the push rod is connected to the inner wall of the chute. The outer wall of the push rod is provided with a compression spring, the top end of the outer wall of the compression spring is connected with the inner wall of the push rod, the lower surface of the push rod is provided with a central column, and the upper surface of the central column is connected to the push rod. The lower surface of the rod is connected, the outer wall of the push rod is overlapped with the bottom end of the inner wall of the pen body, and the inner wall of the nib is provided with a lead-out groove, and the outer wall of the lead-out groove is connected with the inner wall of the nib.

Preferably, a mouth cap is provided above the mouth of the pen, the inner wall of the mouth cap is overlapped with the outer wall of the shell, the bottom end of the inner wall of the mouth cap is provided with a mouth cap groove, and the mouth cap groove The outer wall is connected with the inner wall of the nozzle cap, and the outer side of the nozzle is provided with a nozzle convex plate, and the outer wall of the nozzle convex plate is connected to the inner wall of the shell by overlapping, and the outer wall of the nozzle protrusion is connected with the groove of the nozzle cap The inside of the shell is connected by overlapping, the right inner wall of the housing is provided with a column, the outer wall of the column is connected with the inner wall of the housing, the outer wall of the column is provided with a torsion spring, and the inner wall of the torsion spring overlaps with the outer wall of the column The left side of the torsion spring is provided with a baffle, and the outer wall of the baffle is connected with the inner wall of the shell.

Preferably, a cable is provided on the left outer wall of the bracket, and the outer wall of the cable is electrically connected to the inner wall of the first battery slot.

Preferably, the inner wall of the handle is provided with a fixing column, and the outer wall of the fixing column is connected with the inner wall of the housing.

Preferably, a bushing is provided on the left side of the ejector rod, and the outer wall of the bushing is connected with the inner wall of the housing.

Compared with the prior art, the beneficial effect of the utility model is: the cordless 3D printing pen, through the cooperation between the casing, the first feeding port, the second feeding port and the hook plate, under the action of the connecting rod, the hook plate Drive the connecting rod and the ejector rod to form a linkage, the ejector rod pushes the material into the pen body, and the feeding can be carried out from the first feeding port, the second feeding port and the third feeding port, which overcomes the problem of single feeding port of traditional printing equipment. The feeding port is blocked and the traditional printing equipment loses its function. Through the cooperation between the shell, the bushing and the retaining ring, the connection between the shell and the pen body is made more stable, thus overcoming the unstable connection of the traditional printing equipment and the gap between the material and the printing equipment. There are gaps, and the material cannot enter the feeding port normally. Under the action of the outlet groove, the material can be dispersed and exported, thus overcoming the disadvantage of easy blockage when the traditional printing equipment is exported. Through the pen body, the central column, the push rod and the third The cooperation between the feeding ports enables the nib to be taken out from the housing and work independently, thereby overcoming the shortcomings of traditional printing equipment that needs to be connected to the power cord material for operation, and is suitable for popularization and application.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structural representation of the utility model hook plate;

Fig. 3 is the structural representation of the utility model compression spring;

Fig. 4 is a schematic structural view of the second battery tank of the present invention;

Fig. 5 is a schematic structural diagram of the torsion spring of the present invention.

In the figure: 1. Shell, 2. Hook plate, 3. Pen tip, 4. First feeding port, 5. Second feeding port, 6. Nozzle cap, 7. Handle, 8. Compression spring, 9. Cable, 10. Bracket, 11. First battery slot, 12. Fixing column, 13. Pull rod, 14. Tension spring, 15. Bushing, 16. Push rod, 17. Connecting rod, 18. Second battery slot, 19 , pen body, 20, retaining ring, 21, third feeding port, 22, push rod, 23, chute, 24, lead-out groove, 25, central column, 26, nozzle cap groove, 27, pen nozzle protrusion, 28, torsion spring, 29, column, 30, baffle plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-5, the utility model provides a technical solution: a cordless 3D printing pen, including a casing 1, the casing 1 is made of PVC material, and is used to install the pen body 19, and a hook plate 2 is provided under the casing 1, The hook plate 2 is made of PVC material and is used to drive the connecting rod 17. The outer wall of the hook plate 2 is overlapped with the inner wall of the shell 1. The left side of the hook plate 2 is provided with a handle 7, which is made of PVC material and used for hand-held operation. The outer wall of handle 7 links to each other with the inner wall of shell 1, and the inner wall of handle 7 is provided with fixed post 12, and fixed post 12 is used to prevent cable 9 from winding, and the outer wall of fixed post 12 is connected with the inner wall of shell 1, and the top of handle 7 is provided with first Feeding port 4, the first feeding port 4 is used for feeding from above, the outer wall of the first feeding port 4 is connected with the inner wall of the shell 1, the left side of the first feeding port 4 is provided with a second feeding port 5, the second feeding port 5 For feeding from the side, the outer wall of the second feeding port 5 is connected to the inner wall of the casing 1, and the right side of the casing 1 is provided with a nib 3, the nib 3 is made of aluminum alloy, and is used to export the material, the top of the nib 3 There is a mouth cap 6, the mouth cap 6 is made of PVC material, and is used to protect the nib 3 from falling and breaking. There is a mouth cap groove 26, the mouth cap groove 26 is used to connect with the Beihe pen nozzle protrusion 27, the outer wall of the mouth cap groove 26 is connected with the inner wall of the mouth cap 6, and the outer side of the nib 3 is provided with a nipple convex plate 27. The nozzle protrusion 27 is made of PVC material, and is used to match the nozzle cap groove 26 to install the nozzle cap 6 on the outside of the nozzle 3 to prevent it from falling and breaking. The outer wall of the nozzle convex plate 27 and the inner wall of the housing 1 The lap is connected, and the outer wall of the nipple protrusion 27 is connected to the inner lap of the mouth cap groove 26. The right side inner wall of the housing 1 is provided with a column 29, and the column 29 is made of PVC material, which is used to limit the displacement of the torsion spring 28. The outer wall of the column 29 is connected with the inner wall of the housing 1, and the outer wall of the column 29 is provided with a torsion spring 28, the torsion spring 28 is made of stainless steel, and is used to drive the mouth cap 6 to open and close, and the inner wall of the torsion spring 28 is connected to the outer wall of the column 29 by overlapping , the left side of torsion spring 28 is provided with baffle 30, and baffle 30 is PVC material, is used for limiting the displacement of torsion spring 28, and the outer wall of baffle 30 is connected with the inner wall of housing 1, and the outer wall of nib 3 is connected with the inner wall of housing 1. The inner walls are connected, and the inner wall of the shell 1 is provided with a pen body 19, which is made of PVC material, and is used for extruding materials, and can work freely without being disturbed by cables. The right side outer wall of the pen body 19 is connected with the left side inner wall of the nib 3, and a bracket 10 is arranged below the pen body 19, the bracket 10 is made of aluminum alloy, and the pair of pens can be connected by the cable 9 and the first battery slot 11. The nozzle 3 is added to melt the material. When continuous operation is required, the handle 7 is used to operate, which is more labor-saving. The left outer wall of the bracket 10 is provided with a cable 9. The cable 9 is used to connect the bracket 10. The cable The outer wall of 9 is electrically connected with the inner wall of the first battery tank 11, the bracket 10 can be heated, the bracket can heat the nib 3, the upper surface of the bracket 10 is connected to the lower surface of the pen body 19 by lapping, support The lower surface of frame 10 is connected with the inner wall of shell 1, and the outer wall of hook plate 2 is provided with connecting rod 17, and connecting rod 17 is PVC material, is used for driving ejector rod 16 to push material, and the inner wall of connecting rod 17 and the outer wall of hook plate 2 Lap connected, the left side of connecting rod 17 is provided with pull rod 13, and pull rod 13 is made of PVC material, is used to drive ejector rod 16 to send material into second feeding port 5, and the inner wall of pull rod 13 is connected with the outer wall of connecting rod 17 by overlapping. , the outer wall of pull rod 13 is provided with extension spring 14, and the elastic coefficient of extension spring 14 is 4N/CM, is used for making ejector rod 16 reset, and the outer wall of extension spring 14 is connected with the inwall of pull rod 13 overlapping, and the inner wall of pull rod 13 The upper surface is provided with a push rod 16, the push rod 16 is made of PVC, and is used to push the material into the second feeding port 5, and the left side of the push rod 16 is provided with a bushing 15, which is made of PVC material, and is used for fixing the material , the outer wall of the bushing 15 is connected with the inner wall of the casing 1, the lower surface of the push rod 16 is connected with the upper surface of the pull rod 13, and the top of the push rod 16 is provided with a second battery groove 18, which is used for heat-melting The material provides heat, the outer wall of the second battery tank 18 is connected with the inner wall of the casing 1, and the bottom end of the outer wall of the pen body 19 is provided with a retaining ring 20, which is made of PVC material, and is used to fix the pen body 19 and the inner wall of the retaining ring 20 Link to each other with the outer wall of pen body 19, the right side of pen body 19 is provided with the 3rd feeding port 21, the 3rd feeding port 21 is used for inputting material, the outer wall of the 3rd feeding port 21 is connected with the inner wall of pen body 19 overlap, pen The inner wall top of body 19 is provided with chute 23, and chute 23 is used to drive material to move downwards, and the outer wall of chute 23 is provided with push rod 22, and push rod 22 is used to promote material to advance, and the outer wall of push rod 22 and chute 23 The inner wall of the push rod 22 is overlapped and connected, and the outer wall of the push rod 22 is provided with a compression spring 8, the elastic coefficient of the compression spring 8 is 3N/CM, which is used to reset the push rod 22, and the top of the outer wall of the compression spring 8 is connected with the inner wall of the push rod 22. The lower surface of the push rod 22 is provided with a central post 25, the central post 25 is used to connect the push rod 22, and the upper surface of the central post 25 is connected with the lower surface of the push rod 22, which is used to make the connection of the central post 25 more stable, and the push rod The outer wall of 22 is overlapped with the bottom end of the inner wall of the pen body 19, and is used for the sliding of the push rod 22 on the inner wall of the chute 23. The inner wall of the nib 3 is provided with a lead-out groove 24. The lead-out groove 24 is used to lead out the material to prevent the material from being completely The nib 3 is blocked when it is exported, and the outer wall of the outlet groove 24 is connected with the inner wall of the nib 3, so that the connection of the outlet groove 24 is more stable.

Traditional 3D printing pens are powered by connecting to an external AC power supply. They can only be used in places where a power adapter is installed, and cannot be used in other places that do not have a power adapter. When using it for painting, it needs to be adjusted from time to time The location of the power cord, in case the power cord blocks the position of the painting and is inconvenient to operate, this new model provides a split cordless 3D printing pen, which consists of a shell 1, a hook plate 2, a pen nozzle 3, a first Feeding port 4, second feeding port 5, nozzle cap 6, handle 7, compression spring 8, cable 9, bracket 10, fixed column 12, tension spring 14, bushing 15, ejector rod 16, pen body 19, Connecting rod 17, push rod 22, chute 23 and other components. When using the cordless 3D printing pen for drawing, insert the pen body 19 from the right port of the casing 1, and the third feeding port 21 at the left end of the pen body 19 position against the ejector rod 16, the retaining ring 20 is stuck on the inner wall of the housing 1, and the nib protrusion 27 supports the retaining ring 20 under the action of the torsion spring 28, and the battery is filled in the second battery slot 18, and the battery After being electrically connected with the cable 9, the supporting plate 10 is provided with power to melt the material, and it flows out from the nib 3 through the outlet groove 24 for drawing. When a large picture needs to be drawn, the casing 1 can be used to fix the pen body 19 and hold it in hand. The handle 7 is operated, the hook plate 2 is hooked, and the connecting rod 17 is driven to move inwardly, and the pull rod 13 is driven, and the pull rod 13 pulls the ejector rod 16, and the material is extruded and sent into the chute 23, and the tension spring 14 can make the ejector rod 16 and pull bar 13 reset, finish painting.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of wireless 3D printing pen, including shell (1), it is characterised in that：The lower section of the shell (1) is equipped with hook plate (2), institute The outer wall for stating hook plate (2) is connected with the inner wall of shell (1) overlap joint, and the left side of the hook plate (2) is equipped with handle (7), the handle (7) outer wall is connected with the inner wall of shell (1), and the top of the handle (7) is equipped with the first feeding port (4), and described first feeds intake The outer wall of mouth (4) is connected with the inner wall of shell (1), and the left side of first feeding port (4) is equipped with the second feeding port (5), described The outer wall of second feeding port (5) is connected with the inner wall of shell (1), and the right side of the shell (1) is equipped with a mouth (3), described mouth (3) outer wall is connected with the inner wall of shell (1), and the inner wall of the shell (1) is equipped with handwriting (19), the outer wall of the handwriting (19) It is connected with the inner wall of shell (1) overlap joint, the outer right wall of the handwriting (19) is connected with the inner left wall of a mouth (3), the pen The lower section of body (19) is equipped with bracket (10), and the upper surface of the bracket (10) is connected with the lower surface of handwriting (19) overlap joint, described The lower surface of bracket (10) is connected with the inner wall of shell (1), and the outer wall of the hook plate (2) is equipped with connecting rod (17), the connecting rod (17) inner wall is connected with the outer wall of hook plate (2) overlap joint, and the left side of the connecting rod (17) is equipped with pull rod (13), the pull rod (13) The outer wall overlap joint of inner wall and connecting rod (17) be connected, the outer wall of the pull rod (13) is equipped with extension spring (14), the stretching bullet The outer wall of spring (14) is connected with the inner wall of pull rod (13) overlap joint, and the upper surface of the pull rod (13) is equipped with mandril (16), the top The lower surface of bar (16) is connected with the upper surface of pull rod (13), and the top of the mandril (16) is equipped with the second battery case (18), institute The outer wall for stating the second battery case (18) is connected with the inner wall of shell (1), and the outer wall bottom end of the handwriting (19) is equipped with baffle ring (20), The inner wall of the baffle ring (20) is connected with the outer wall of handwriting (19), and the right side of the handwriting (19) is equipped with third feeding port (21), The outer wall of the third feeding port (21) is connected with the inner wall of handwriting (19) overlap joint, and the inner wall top of the handwriting (19), which is equipped with, to be slided The outer wall of slot (23), the sliding slot (23) is equipped with push rod (22), and the outer wall of the push rod (22) is overlapped with the inner wall of sliding slot (23) It is connected, the outer wall of the push rod (22) is equipped with compressed spring (8), outer wall top and the push rod (22) of the compressed spring (8) Inner wall is connected, and the lower surface of the push rod (22) is equipped with newel (25), upper surface and the push rod (22) of the newel (25) Lower surface be connected, the outer wall of the push rod (22) is overlapped with the inner wall bottom end of handwriting (19) to be connected, the inner wall of described mouth (3) Equipped with export slot (24), the outer wall of the export slot (24) is connected with the inner wall of a mouth (3).

2. a kind of wireless 3D printing pen according to claim 1, it is characterised in that：The top of described mouth (3) is equipped with mouth The inner wall of cap (6), the mouth cap (6) is connected with the outer wall of shell (1) overlap joint, and the inner wall bottom end of the mouth cap (6) is equipped with mouth cap The outer wall of groove (26), the mouth cap groove (26) is connected with the inner wall of mouth cap (6), and the outside of described mouth (3) is equipped with a mouth The outer wall of convex block (27), described mouth convex block (27) is connected with the inner wall of shell (1) overlap joint, the outer wall of described mouth convex block (27) It is connected with the inside of mouth cap groove (26) overlap joint, the right side inner wall of the shell (1) is equipped with column (29), the column (29) Outer wall is connected with the inner wall of shell (1), and the outer wall of the column (29) is equipped with torque spring (28), the torque spring (28) Inner wall is connected with the outer wall of column (29) overlap joint, and the left side of the torque spring (28) is equipped with baffle (30), the baffle (30) Outer wall be connected with the inner wall of shell (1).

3. a kind of wireless 3D printing pen according to claim 1, it is characterised in that：The left side outer wall of the bracket (10) is set There are cable (9), the outer wall of the cable (9) and the inner wall of the first battery case (11) to be electrically connected.

4. a kind of wireless 3D printing pen according to claim 1, it is characterised in that：The inner wall of the handle (7) is equipped with solid Fixed column (12), fixed column (12) outer wall are connected with the inner wall of shell (1).

5. a kind of wireless 3D printing pen according to claim 1, it is characterised in that：The left side of the mandril (16) is equipped with lining It covers (15), the outer wall of the bushing (15) is connected with the inner wall of shell (1).