Soft glue dispensing needle head for narrow glue and wide glue

Abstract

The utility model discloses a narrow-glue wide soft dispensing needle head which comprises a cavity, a flange and a needle head body, and an internal thread is arranged at an outlet in the bottom of the cavity; the flange is arranged at the inlet of the cavity; the needle head comprises a guide part and a needle opening, external threads are arranged at the front end of the guide part, the guide part is fixed at the internal threads of the cavity through the external threads, the needle opening is formed in the tail end of the guide part, the guide part and the needle opening are both made of soft rubber materials, and the needle opening is an oblique incision. Due to the fact that the guide part and the needle opening are both made of soft rubber materials, the needle opening can directly make contact with a product, accumulation or wire drawing can be avoided during glue discharging and glue collecting, the problem that the amount of glue at the accumulation or wire drawing position is too large or too small is solved, the glue dispensing quality is improved, and the competitiveness of the product is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of glue dispensing for a vehicle-mounted screen frame, and more specifically to a soft glue dispensing needle for a narrow glue width. Background Art

[0002] As the requirements for narrow bezels of car screens become higher and higher, the dispensing width is required to be thinner and thinner. Traditional needles are generally made of metal and cannot come into direct contact with the product, otherwise the product will be damaged or scratched. If they cannot come into direct contact with the product, it will cause accumulation or drawing when dispensing and collecting the glue, resulting in too much or too little glue at the accumulation or drawing, which reduces the dispensing quality and the competitiveness of the product. Utility Model Content

[0003] The technical problem to be solved by the utility model is how to avoid accumulation or wire drawing during glue dispensing and collection, thereby avoiding too much or too little glue at the accumulation or wire drawing, thereby improving the dispensing quality and also improving the competitiveness of the product.

[0004] The technical problem to be solved by the utility model is achieved through the following technical solutions:

[0005] In order to solve the above technical problems, the utility model provides a soft dispensing needle for narrow glue width, which includes a cavity, a flange and a needle, and the bottom outlet of the cavity is provided with an internal thread; the flange is arranged at the entrance of the cavity; the needle includes a guide part and a needle mouth, the front end of the guide part is provided with an external thread, the guide part is fixed to the internal thread of the cavity through the external thread, and the needle mouth is arranged at the end of the guide part, the materials of the guide part and the needle mouth are both soft glue materials, and the needle mouth is an oblique cut.

[0006] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the material of the needle is silicone.

[0007] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the outer diameter of the cavity decreases successively from the inlet to the outlet.

[0008] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the color of the needle is transparent.

[0009] As a preferred embodiment of the soft dispensing needle for narrow glue width provided by the utility model, the guide portion away from the needle mouth is provided with a reinforcement portion.

[0010] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the reinforcing part is a steel wire.

[0011] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the layout shape of the steel wire is a grid shape.

[0012] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the steel wire and the guide part are integrally injection molded.

[0013] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the steel wire is embedded in the interior of the guide part.

[0014] As a preferred implementation of the soft dispensing needle for narrow glue width provided by the utility model, the angle of the oblique cut is 60°.

[0015] The utility model has the following beneficial effects:

[0016] Since the guide part and the needle mouth are made of soft rubber materials, the needle mouth can directly contact the product, which can avoid accumulation or drawing when dispensing and collecting glue, thereby avoiding the problem of too much or too little glue at the accumulation or drawing point, thereby improving the dispensing quality and the competitiveness of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the scheme in the present application, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 The utility model provides a structural schematic diagram of a soft dispensing needle for narrow glue width.

[0019] Description of Figure Numbers:

[0020] Cavity 1; flange 2; needle 3; guide portion 31; needle port 32. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", and "third" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] The utility model provides a soft dispensing needle for narrow glue width, which comprises a cavity, a flange and a needle, wherein an internal thread is arranged at the bottom outlet of the cavity; the flange is arranged at the entrance of the cavity; the needle comprises a guide part and a needle mouth, the front end of the guide part is provided with an external thread, the guide part is fixed to the internal thread of the cavity through the external thread, the needle mouth is arranged at the end of the guide part, the materials of the guide part and the needle mouth are both soft glue materials, and the needle mouth is an oblique cut.

[0025] Since the guide part and the needle mouth are made of soft rubber materials, the needle mouth can directly contact the product, which can avoid accumulation or drawing when dispensing and collecting glue, thereby avoiding the problem of too much or too little glue at the accumulation or drawing point, thereby improving the dispensing quality and the competitiveness of the product.

[0026] In order to enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings. The present invention is described in detail below in conjunction with the accompanying drawings and embodiments, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements with the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, and should not be construed as limitations on the present invention.

[0027] See also Figure 1, a soft dispensing needle 3 for narrow glue width provided by the utility model comprises a cavity 1, a flange 2 and a needle 3, wherein the bottom outlet of the cavity 1 is provided with an internal thread; the flange 2 is provided at the entrance of the cavity 1; the needle 3 comprises a guide portion 31 and a needle port 32, the front end of the guide portion 31 is provided with an external thread, the guide portion 31 is fixed to the internal thread of the cavity 1 through the external thread, the needle port 32 is provided at the end of the guide portion 31, the materials of the guide portion 31 and the needle port 32 are both soft glue materials, the needle port 32 is an oblique cut, and in this embodiment, the guide portion 31 and the needle port 32 are integrally formed. Since the materials of the guide portion 31 and the needle port 32 are both soft glue materials, the needle port 32 can directly contact the product, which can avoid accumulation or drawing when dispensing and collecting glue, thereby avoiding the problem of too much or too little glue at the accumulation or drawing, thereby improving the dispensing quality and the competitiveness of the product.

[0028] Furthermore, the needle 3 is made of silicone or other soft rubber materials, so that the needle opening 32 can directly contact the product.

[0029] Furthermore, the outer diameter of the cavity 1 decreases from the inlet to the outlet, that is, the top of the cavity 1 is large and the bottom is small.

[0030] Furthermore, the needle 3 is transparent so that the staff can observe the amount of glue inside the needle 3 .

[0031] See also Figure 1 As a further optimization solution of Example 1, in this embodiment, a reinforcing portion is provided at the guide portion 31 away from the needle port 32 to enhance the hardness of the guide portion 31 and prevent the guide portion 31 from deforming.

[0032] Furthermore, the reinforcing part is a steel wire, which is used to reinforce the guide part 31 to improve the hardness of the guide part 31. More preferably, the steel wire is arranged in a grid shape, and the steel wire and the guide part 31 are integrally injection molded, that is, the steel wire is embedded in the guide part 31.

[0033] Furthermore, the angle of the bevel cut is 60°.

[0034] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Obviously, the embodiments described above are only some embodiments of the present application, rather than all embodiments. The preferred embodiments of the present application are given in the accompanying drawings, but they do not limit the patent scope of the present application. The present application can be implemented in many different forms. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present application more thorough and comprehensive. Although the present application is described in detail with reference to the aforementioned embodiments, for those skilled in the art, it is still possible to modify the technical solutions recorded in the aforementioned specific implementation methods, or to perform equivalent replacement of some of the technical features therein. Any equivalent structure made using the contents of the specification and drawings of this application, directly or indirectly used in other related technical fields, is similarly within the scope of patent protection of this application.

Claims

1. A soft dispensing needle for narrow glue width, characterized in that: It includes: The cavity has an internal thread at its bottom outlet; A flange, which is arranged at the entrance of the cavity; The needle comprises a guide part and a needle port, the front end of the guide part is provided with an external thread, the guide part is fixed to the internal thread of the cavity through the external thread, the needle port is arranged at the end of the guide part, the materials of the guide part and the needle port are both soft rubber materials, and the needle port is an oblique cut.

2. The soft dispensing needle for narrow glue width according to claim 1, characterized in that: The material of the needle is silicone.

3. The soft dispensing needle for narrow glue width according to claim 1, characterized in that: The outer diameter of the cavity decreases from the inlet to the outlet.

4. The soft dispensing needle for narrow glue width according to claim 1, characterized in that: The needle is transparent in color.

5. The soft dispensing needle for narrow glue width according to claim 1, characterized in that: The guide portion away from the needle port is provided with a reinforcement portion.

6. The soft dispensing needle for narrow glue width according to claim 5, characterized in that: The reinforcing part is a steel wire.

7. The soft dispensing needle for narrow glue width according to claim 6, characterized in that: The steel wires are arranged in a grid shape.

8. The soft dispensing needle for narrow glue width according to claim 6, characterized in that: The steel wire and the guide portion are integrally injection molded.

9. The soft dispensing needle for narrow glue width according to claim 6, characterized in that: The steel wire is embedded in the interior of the guide portion.

10. The soft dispensing needle for narrow glue width according to claim 1, characterized in that: The angle of the oblique cut is 60°.

Images