Printing pen convenient for replacing different pen tips

Abstract

The invention belongs to the technical field of printing pens, and specifically is a printing pen that is convenient for replacing different pen tips, comprising a printing pen, a pen tip shell, a soldering joint, a printing joint, an internal thread sleeve, and a heat dissipation tube. The left end of the printing pen is fixedly installed with the pen tip shell, and groove blocks are fixedly installed on both sides of the inner wall of the pen tip shell. The inner wall of the groove block is clamped with a fixing plate, and a barrel rod is fixedly installed on the inner wall of the fixing plate. A nozzle is provided at the left end of the barrel rod, and a heating ring is provided on the outer wall of the right end of the nozzle. The heat dissipation tube is fixedly installed on the inner wall of the left end of the pen tip shell. The structural design of the invention is scientific and reasonable. The internal thread sleeve has a fixing and installation function for the external thread 1 of the soldering joint and the external thread 2 of the printing joint, which is convenient for replacing the soldering joint and the printing joint, thereby realizing the dual use effect of the printing pen. The device has a simple structure and improves the multifunctional use effect of the product.

Description

Technical Field

[0001] The invention relates to the technical field of printing pens, in particular to a printing pen which is convenient for replacing different pen tips. Background Art

[0002] With the development of science and technology, 3D printing technology is becoming more and more widely used in various fields. At the same time, 3D printing technology has also appeared in people's lives in the form of more types of products. 3D printing pens are one of them. The current handheld 3D printing pens are mainly divided into hot melt type and light curing type. Light curing 3D printing pens extrude liquid photosensitive resin, which is cured under the action of ultraviolet light. It has certain advantages in processing flexibility and the texture fineness of the final printed body. The optional and combined types and range of photosensitive materials are also very flexible.

[0003] The existing 3D printing pen cannot replace the pen tip, and the heating principle and heating part of the 3D printing pen are the same as the soldering pen. However, the current 3D printing pen does not have a replacement soldering joint, and the printing pen cannot be used for dual purposes more fully. When replacing and installing the pen tip, the barrel and the feed pipe are prone to shaking, resulting in a misaligned connection phenomenon in the printing joint or the soldering joint. For this reason, we propose a printing pen that is easy to replace different pen tips. Summary of the invention

[0004] The purpose of this section is to summarize some aspects of the embodiments of the present invention and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and the invention title of this application to avoid blurring the purpose of this section, the specification abstract and the invention title, and such simplifications or omissions cannot be used to limit the scope of the present invention.

[0005] In view of the above and / or existing problems in a printing pen that is easy to replace different pen tips, the present invention is proposed.

[0006] Therefore, the purpose of the present invention is to provide a printing pen that is easy to replace different pen tips, which can solve the above-mentioned problem that the existing 3D printing pen cannot replace the pen tip, and the heating principle and heating part of the 3D printing pen are the same as the soldering pen, but the current 3D printing pen does not have a replaceable soldering joint, and the printing pen cannot be more fully used for dual purposes. When replacing and installing the pen tip, the barrel rod and the feed pipe are prone to shaking, resulting in the problem of misaligned connection of the printing joint or the soldering joint.

[0007] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A printing pen that is convenient for replacing different nibs comprises: a printing pen, a nib shell, a soldering joint, a printing joint, an internally threaded sleeve, and a heat dissipation cylinder. The nib shell is fixedly mounted on the left end of the printing pen, groove blocks are fixedly mounted on both sides of the inner wall of the nib shell, a fixing plate is clamped on the inner wall of the groove block, a barrel rod is fixedly mounted on the inner wall of the fixing plate, a nozzle is provided on the left end of the barrel rod, a heating ring is provided on the outer wall of the right end of the nozzle, the heat dissipation cylinder is fixedly mounted on the inner wall of the left end of the nib shell, the internally threaded sleeve is fixedly mounted on the inner wall of the heat dissipation cylinder, and the soldering joint and the printing joint are threadedly connected to the internally threaded sleeve.

[0009] As a preferred solution of the printing pen for facilitating replacement of different pen tips described in the present invention, the left and right ends of the inner wall of the pen tip shell are provided with latch grooves, the bottom of the inner wall of the pen tip shell is provided with a latch, the top of the inner wall of the pen tip shell is provided with a guide rail, and the left end of the pen tip shell is provided with a heat dissipation hole.

[0010] As a preferred solution of the printing pen that is easy to replace different pen tips described in the present invention, the inner thread of the inner threaded sleeve is provided with an internal thread on the left side of the inner wall, the right end of the soldering joint is provided with a step column one, the outer wall of the step column one is provided with an external thread one, the right end of the printing joint is provided with a step column two, and the outer wall of the step column two is provided with an external thread two.

[0011] As a preferred solution of the printing pen for facilitating replacement of different pen tips described in the present invention, grooves are provided at the right ends of the step column 1 and the step column 2, and a through hole is provided in the middle of the printing joint.

[0012] Compared with the prior art: the printing pen is convenient for replacing different pen tips, groove blocks are arranged on both sides of the inner wall of the pen tip shell, the inner wall of the groove block is clamped with the fixing plate, the inner wall of the fixing plate is fixedly installed with a barrel rod, a nozzle is arranged at the left end of the barrel rod, and a heating ring is arranged on the outer wall of the right end of the nozzle, the groove block has a clamping effect on the fixing plate, the fixing plate is clamped on the inner wall of the groove block and is fixed to the pen tip shell by a pin, the heating ring has a heating effect on the soldering joint and the printing joint, the fixing plate and the groove block have a fixing effect on the barrel rod and the feed pipe to prevent the barrel rod and the feed pipe from shaking, a heat dissipation barrel is installed on the inner wall of the left end of the pen tip shell, an internal threaded sleeve is installed on the inner wall of the heat dissipation barrel, the internal threaded sleeve has a fixing and installing effect on the external thread 1 of the soldering joint and the external thread 2 of the printing joint, which is convenient for replacing the soldering joint and the printing joint, thereby realizing the dual use effect of the printing pen, the device has a simple structure, and improves the multifunctional use effect of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below in combination with the accompanying drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0014] Figure 1 It is a schematic diagram of the structure of the device of the present invention;

[0015] Figure 2 This is a schematic diagram of the pen head housing structure of the present invention;

[0016] Figure 3 It is a schematic diagram of the structure of the internal thread sleeve of the present invention;

[0017] Figure 4 This is a schematic diagram of the printing joint structure of the present invention;

[0018] Figure 5 It is a schematic diagram of the structure of the internal threaded sleeve of the present invention.

[0019] In the figure: 100 printing pen, 200 pen head shell, 210 groove block, 220 barrel rod, 221 nozzle, 222 heating ring, 230 fixing plate, 240 latch groove, 250 latch, 260 guide rail, 270 heat dissipation hole, 300 soldering joint, 310 step column 1, 320 external thread 1, 400 printing joint, 410 step column 2, 420 external thread 2, 500 internal thread sleeve, 510 internal thread, 600 heat dissipation barrel. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0022] Secondly, the present invention is described in detail with reference to schematic diagrams. When describing the embodiments of the present invention in detail, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general scale, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0023] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.

[0024] The present invention provides a printing pen that is easy to replace with different pen tips, which has the advantage of being able to replace different pen tips. Figure 1 and Figure 2 , including a printing pen 100, a pen head housing 200, a soldering joint 300, a printing joint 400, an internal thread sleeve 500, and a heat dissipation cylinder 600;

[0025] See also Figure 1 and Figure 2 and Figure 3 The left end of the printing pen 100 is fixedly installed with the pen head shell 200. Specifically, the left end of the printing pen 100 is snap-connected with the pen head shell 200. The printing pen 100 is the world's first pen with 3D printing function. Using PLA and ABS plastics, the 3D printing pen can "write" on any surface and even draw directly in the air. It is very compact and does not require a computer or computer software support. You just need to plug it in and wait a while to start your wonderful creation. The printing pen 100 is a product of the prior art.

[0026] See also Figure 2 and Figure 3 The inner wall of the pen head housing 200 is provided with a groove block 210, and the pen head housing 200 has a groove block 210, a barrel rod 220, a nozzle 221, a heating ring 222, a fixing plate 230, a latch groove 240, a latch 250, a guide rail 260 and a heat dissipation hole 270. Specifically, groove blocks 210 are provided on both sides of the inner wall of the pen head housing 200, the inner wall of the groove block 210 is clamped with the fixing plate 230, and the barrel rod 220 is fixedly installed on the inner wall of the fixing plate 230. The left end of the barrel rod 220 is provided with a nozzle 221, and the nozzle 2 A heating ring 222 is provided on the outer wall of the right end of 21, the groove block 210 has a clamping effect on the fixing plate 230, the fixing plate 230 is clamped on the inner wall of the groove block 210 and fixed on the pen head shell 200 through a pin, the barrel rod 220 is used to connect the feed pipe inside the printing pen 100, the nozzle 221 has an output effect on the printing material, the heating ring 222 is a metal heating wire, and is electrically connected to the printing pen 100, and the heating ring 222 has a heating effect on the soldering joint 300 and the printing joint 400.

[0027] See also Figure 1 and Figure 5The soldering joint 300 is installed on the pen tip shell 200. The soldering joint 300 has a step column 310 and an external thread 320. Specifically, the inner wall of the internal thread sleeve 500 is provided with an internal thread 510 on the left side, the right end of the soldering joint 300 is provided with a step column 310, and the outer wall of the step column 310 is provided with an external thread 320. The soldering joint 300 is a welding method that utilizes a low-melting-point metal solder to heat and melt, penetrate into and fill the gap at the connection of metal parts. The external thread 320 of the step column 310 is installed in the internal thread sleeve 500, which has a fixing effect on the soldering joint 300.

[0028] See also Figure 1 and Figure 4 The printing joint 400 is installed on the pen head shell 200, and the printing joint 400 has a step column 410 and an external thread 420. Specifically, a step column 410 is provided on the right end of the printing joint 400, and an external thread 420 is provided on the outer wall of the step column 410. The printing joint 400 is a discharge head of the 3D printing pen. The step column 410 and the external thread 420 are connected to the inner wall of the internal thread sleeve 500, which has a fixing effect on the printing joint 400. A through hole is opened in the middle of the printing joint 400 to facilitate the discharge of the printing joint 400. The step column 1 310 and the right end of the step column 2 410 are provided with grooves to facilitate the nozzle 221 and the heating ring 222 to access the printing joint 400 or the inner wall of the soldering joint 300.

[0029] See also Figure 3 The internal threaded sleeve 500 is installed on the pen head shell 200, the heat dissipation tube 600 is fixedly installed on the inner wall of the left end of the pen head shell 200, the internal threaded sleeve 500 is fixedly installed on the inner wall of the heat dissipation tube 600, the tin soldering joint 300 and the printing joint 400 are threadedly connected on the internal threaded sleeve 500, the internal threaded sleeve 500 is clamped on the inner wall of the heat dissipation tube 600, and the outer wall of the heat dissipation tube 600 is clamped on the inner wall of the left end of the head shell 200. The internal threaded sleeve 500 is made of metal material, and the left end of the inner wall of the internal threaded sleeve 500 is provided with an internal thread 510, and the internal thread 510 has an installation function for the external thread 1 320 of the tin soldering joint 300 and the external thread 2 420 of the printing joint 400.

[0030] The soldering joint 300 and the printing joint 400 are made of metal materials.

[0031] During specific use, after the technicians in this field have installed the pen head shell 200 and the printing pen 100, they rotate the soldering joint 300 to separate the external thread 320 of the soldering joint 300 from the internal thread 510 of the internal thread sleeve 500, and then thread the external thread 420 of the printing joint 400 onto the internal thread sleeve 500, and the nozzle 221 and the heating ring 222 are tightly attached to the right end groove of the printing joint 400. When replacing the soldering joint 300, the installation method is the same. The heat dissipation tube 600 and the heat dissipation hole 270 have a heat dissipation effect on the tube rod 220, and the heating ring 222 has a heating effect on the soldering joint 300 and the printing joint 400.

[0032] In order to make the device have a heat dissipation effect, a heat dissipation hole 270 is provided at the left end of the pen head shell 200. Specifically, the heat dissipation hole 270 corresponds to the outer wall of the heat dissipation tube 600, and the heat dissipation hole 270 has a heat dissipation effect on the heat dissipation tube 600.

[0033] See also Figure 2 In order to prevent the pen tip housing 200 from being unable to be installed on the printing pen 100, a latch groove 240 is provided at the left and right ends of the inner wall of the pen tip housing 200. Specifically, a latch 250 is provided at the bottom of the inner wall of the pen tip housing 200. The latch groove 240 and latch 250 on the pen tip housing 200 are used in conjunction with the latch and latch groove on the printing pen 100 to achieve a specific fixing effect on the pen tip housing 200.

[0034] See also Figure 2 In order to prevent the pen tip housing 200 from being unable to identify the direction when installed on the printing pen 100, a guide rail 260 is provided on the top of the inner wall of the pen tip housing 200. Specifically, the guide rail 260 and the pen tip housing 200 are an integral structure, and the guide rail 260 has a guiding function when the pen tip housing 200 is installed on the printing pen 100.

[0035] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A printing pen that is easy to replace with different pen tips, characterized in that: The invention comprises a printing pen (100), a pen housing (200), a soldering joint (300), a printing joint (400), an internally threaded sleeve (500), and a heat dissipation cylinder (600). The left end of the printing pen (100) is fixedly mounted with the pen housing (200). Grooved blocks (210) are fixedly mounted on both sides of the inner wall of the pen housing (200). The inner wall of the groove block (210) is clamped with a fixing plate (230). A barrel rod (220) is fixedly mounted on the inner wall of the fixing plate (230). A nozzle (221) is provided at the left end of the barrel rod (220). A heating ring (222) is provided on the outer wall of the right end of the nozzle (221). The heat dissipation cylinder (600) is fixedly mounted on the inner wall of the left end of the pen housing (200). The internally threaded sleeve (500) is fixedly mounted on the inner wall of the heat dissipation cylinder (600). The soldering joint (300) and the printing joint (400) are threadedly connected to the internal thread sleeve (500); the left and right ends of the inner wall of the pen tip housing (200) are provided with latch grooves (240); the bottom of the inner wall of the pen tip housing (200) is provided with a latch (250); the top of the inner wall of the pen tip housing (200) is provided with a guide rail (260); the left end of the pen tip housing (200) is provided with a heat dissipation hole (270); the left side of the inner wall of the internal thread sleeve (500) is provided with an internal thread (510); the right end of the soldering joint (300) is provided with a step column 1 (310); the outer wall of the step column 1 (310) is provided with an external thread 1 (320); the right end of the printing joint (400) is provided with a step column 2 (410); the outer wall of the step column 2 (410) is provided with an external thread 2 (420).

2. A printing pen that is easy to replace with different pen tips according to claim 1, characterized in that: The right ends of the step column 1 (310) and the step column 2 (410) are provided with grooves, and the middle of the printing joint (400) is provided with a through hole.

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