Electronic glue injector

Abstract

The utility model belongs to the technical field of electronic tools, particularly relates to an electronic glue injector, and aims to solve the problems that although an existing glue injector is provided with scales for observing the amount of extruded glue, the glue amount is not accurately mastered due to the fact that a liquid storage barrel deforms when the glue is injected and then the scales are loosen and observed, the electronic glue injector comprises a liquid storage barrel, the front end of the liquid storage cylinder is provided with an external threaded pipe, the external threaded pipe is in threaded connection with a screw cap, the top of the screw cap is provided with a plurality of liquid outlet holes, the outer side of the liquid storage cylinder is provided with scale marks, the left side of the liquid storage cylinder is in threaded connection with a cap, the cap is slidably provided with a sliding rod, and the inner end of the sliding rod is provided with a piston which is slidably connected with the inner wall of the liquid storage cylinder. A handle is installed on the left side of the sliding rod and provided with a blocking structure. The device is simple in structure, convenient to set the use amount of the glue solution, capable of improving and controlling the use amount of the glue solution, light in overall structure and convenient to clean.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic tools, in particular to an electronic glue injector. Background Art

[0002] Electronic glue is also called electronic and electrical adhesive, which is used for bonding, sealing, potting, coating, structural bonding, laminating and SMT patch of electronic and electrical components. Electronic glue can play the role of moisture-proof, dust-proof, corrosion-proof and shock-proof, and improve the performance and stability of electronic components. Publication (announcement) number: CN205554982U discloses an electronic glue injector, which includes a cylindrical liquid storage cylinder with scales engraved on the side of the liquid storage cylinder, a glue injection tube made of flexible material is provided at one end of the liquid storage cylinder, the glue injection tube is connected to the inner cavity of the liquid storage cylinder, a pipe plug is provided at the port of the glue injection tube, a liquid inlet pipe is provided at the center of the other end of the liquid storage cylinder, a convex thread is provided on the outside of the liquid inlet pipe, a screw cap is provided on the outside of the liquid inlet pipe, the screw cap is matched with the thread of the liquid inlet pipe, the top of the screw cap is a convex hemispherical shape, and a plurality of liquid outlets are opened on the top of the screw cap. The liquid storage cylinder of the electronic glue injector has scales engraved on the side of the liquid storage cylinder, a glue injection tube is provided at one end of the liquid storage cylinder, a liquid inlet pipe is provided at the other end of the liquid storage cylinder, a screw cap is provided on the outside of the liquid inlet pipe, and a plurality of liquid outlet holes are opened on the top of the screw cap. When in use, electronic glue can be poured into the liquid storage cylinder through the liquid inlet tube. Since the liquid storage cylinder is made of flexible plastic, the electronic glue can be squeezed out from the opening of the glue injection tube by pressing the liquid storage cylinder with fingers. The glue injection tube is made of flexible plastic and can be bent into any shape. It is suitable for pasting or potting electronic components in electronic equipment with complex structures.

[0003] Although the existing glue injector is provided with a scale to observe the amount of glue extruded, the amount of glue cannot be accurately grasped because the liquid storage cylinder is deformed when injecting glue and then the scale is relaxed to observe. Utility Model Content

[0004] The utility model aims to solve the problem that although the existing glue injector is provided with a scale to observe the amount of glue squeezed out, the amount of glue cannot be accurately grasped due to deformation of the liquid storage cylinder when the glue is applied and then the scale is relaxed for observation, and an electronic glue injector is proposed.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An electronic glue injector comprises a liquid storage cylinder, wherein an externally threaded tube is arranged at the front end of the liquid storage cylinder, a screw cap is threadedly connected to the externally threaded tube, a plurality of liquid outlet holes are opened on the top of the screw cap, a scale line is arranged on the outer side of the liquid storage cylinder, a cover cap is threadedly connected to the left side of the liquid storage cylinder, a sliding rod is slidably mounted on the cover cap, a piston is mounted on the inner end of the sliding rod, the piston is slidably connected to the inner wall of the liquid storage cylinder, a handle is mounted on the left side of the sliding rod, a blocking structure is arranged on the handle, a limiting structure is slidably mounted on the outer side of the liquid storage cylinder, the blocking structure is adapted to the limiting structure, a plurality of air holes are opened on the cover cap, and the arranged air holes can meet the movement of the piston.

[0007] Preferably, the inner side of the cap is provided with an internal thread, the outer side of the liquid storage cylinder is provided with an external thread, and the internal thread is threadedly connected with the external thread; the cap can be disassembled and the piston can be taken out, so as to facilitate the cleaning of the interior of the liquid storage cylinder.

[0008] Preferably, the blocking structure includes a blocking rod, which is fixedly mounted to the handle, and a blocking plate is mounted on the blocking rod, and the right side of the blocking plate is aligned with the right side of the piston; after the blocking plate is limited, the piston is also limited.

[0009] Preferably, the limiting structure includes a ring, which is slidably installed on the outside of the liquid storage cylinder, and the blocking piece is adapted to the ring, and the blocking piece is adapted to the scale line; the scale line can mark the blocking piece. Two threaded holes are provided on the ring, and bolts are threadedly connected to the two threaded holes. A twist handle is installed on the outer end of the bolt; the ring can be locked and fixed by using two bolts.

[0010] In the utility model, the electronic glue injector has the following beneficial effects:

[0011] In this solution, the twist handle is turned to loosen the two bolts, and the position of the collar on the liquid storage cylinder is adjusted. The collar slides on the outside of the liquid storage cylinder, and the reserved spacing between the left side of the collar and the blocking sheet is the amount of glue liquid that needs to be injected; the collar is tightened and fixed by the two bolts, which can improve the controllable use of glue liquid;

[0012] In this solution, the piston can be removed by disassembling the cap, which is convenient for cleaning the inside of the liquid storage cylinder;

[0013] The utility model has a simple structure, is convenient for setting the usage amount of the glue liquid, can improve the control of the usage amount of the glue liquid, and has a light overall structure and is easy to clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a structural schematic diagram of the electronic glue injector proposed by the utility model;

[0015] Figure 2 The utility model proposed Figure 1 A schematic cross-sectional structure diagram of;

[0016] Figure 3 The electronic glue injector proposed by the utility model Figure 2 Schematic diagram of the structure of part A in .

[0017] In the figure: 1. liquid storage cylinder; 2. external threaded tube; 3. screw cap; 4. liquid outlet; 5. piston; 6. cover cap; 7. air hole; 8. slide rod; 9. handle; 10. blocking rod; 11. blocking plate; 12. scale line; 13. collar; 14. threaded hole; 15. bolt; 16. twist handle; 17. plastic ball. DETAILED DESCRIPTION

[0018] The technical solution of this embodiment will be clearly and completely described below in conjunction with the drawings in this embodiment. Obviously, the described embodiment is only a part of this embodiment, rather than all of the embodiments.

[0019] Embodiment 1

[0020] Reference Figure 1-Figure 3 A kind of electronic glue injector comprises a liquid storage cylinder 1, an externally threaded tube 2 is arranged at the front end of the liquid storage cylinder 1, a screw cap 3 is threadedly connected to the externally threaded tube 2, a plurality of liquid outlet holes 4 are opened on the top of the screw cap 3, a scale line 12 is arranged on the outside of the liquid storage cylinder 1, a cap 6 is threadedly connected to the left side of the liquid storage cylinder 1, a slide rod 8 is slidably installed on the cap 6, a piston 5 is installed at the inner end of the slide rod 8, the piston 5 is slidably connected to the inner wall of the liquid storage cylinder 1, a handle 9 is installed on the left side of the slide rod 8, a blocking structure is arranged on the handle 9, a limiting structure is slidably installed on the outside of the liquid storage cylinder 1, the blocking structure is adapted to the limiting structure, and a plurality of air holes 7 are opened on the cap 6; the air holes 7 arranged can meet the movement of the piston 5.

[0021] In this embodiment, an internal thread is provided on the inner side of the cap 6, and an external thread is provided on the outer side of the liquid storage cylinder 1, and the internal thread and the external thread are threadedly connected; the cap 6 can be disassembled and the piston 5 can be taken out to facilitate cleaning of the interior of the liquid storage cylinder 1.

[0022] In this embodiment, the blocking structure includes a blocking rod 10, which is fixedly mounted to the handle 9. A blocking plate 11 is mounted on the blocking rod 10, and the right side of the blocking plate 11 is aligned with the right side of the piston 5; after the blocking plate 11 is limited, the piston 5 is also limited.

[0023] In this embodiment, the limiting structure includes a ring 13, which is slidably installed on the outside of the liquid storage cylinder 1, and the blocking piece 11 is adapted to the ring 13, and the blocking piece 11 is adapted to the scale line 12; the scale line 12 can mark the blocking piece 11. Two threaded holes 14 are provided on the ring 13, and bolts 15 are threadedly connected to the two threaded holes 14. A twist handle 16 is installed on the outer end of the bolt 15; the ring 13 can be locked and fixed by using the two bolts 15.

[0024] Working principle: when in use, store glue in the liquid storage cylinder 1, turn the twist handle 16 to loosen the two bolts 15, adjust the position of the ring 13 in the liquid storage cylinder 1, and the ring 13 slides on the outside of the liquid storage cylinder 1. The reserved distance between the left side of the ring 13 and the blocking piece 11 is the amount of glue required for injection, and then use the two bolts 15 to tighten and fix the ring 13, push the handle 9 to drive the slide bar 8 to move, and the slide bar 8 drives the piston 5 to move to squeeze the glue, so that the glue can be squeezed out for use, until the blocking piece 11 conflicts with the ring 13. The piston 5 can be removed by removing the cap 6, which is convenient for cleaning the inside of the liquid storage cylinder 1.

[0025] Embodiment 2

[0026] The difference between Example 2 and Example 1 is that a plurality of plastic balls 17 are embedded in the inner side of the ring 13, and the plurality of plastic balls 17 are slidably connected to the outer side of the liquid storage cylinder 1. The arranged plastic balls 17 can reduce the friction between the ring 13 and the liquid storage cylinder 1. The present application includes all structural shapes, sizes and materials of Example 1, and they can be selected and adjusted to meet specific usage conditions. The accompanying drawings are all schematic structural diagrams, and the specific actual sizes can be appropriately adjusted.

[0027] The above is only a preferred specific implementation of this embodiment, but the protection scope of this embodiment is not limited to this. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of this embodiment within the technical scope disclosed in this embodiment, which should be covered by the protection scope of this embodiment.

Claims

1. An electronic glue injector, comprising a liquid storage cylinder (1), the front end of which is provided with an externally threaded tube (2), a screw cap (3) is threadedly connected to the externally threaded tube (2), and a plurality of liquid outlet holes (4) are opened on the top of the screw cap (3), characterized in that: The outer side of the liquid storage cylinder (1) is provided with a scale line (12), the left side of the liquid storage cylinder (1) is threadedly connected with a cover cap (6), a slide rod (8) is slidably mounted on the cover cap (6), a piston (5) is mounted on the inner end of the slide rod (8), the piston (5) is slidably connected to the inner wall of the liquid storage cylinder (1), a handle (9) is mounted on the left side of the slide rod (8), a blocking structure is arranged on the handle (9), a limiting structure is slidably mounted on the outer side of the liquid storage cylinder (1), and the blocking structure is adapted to the limiting structure.

2. The electronic glue injector according to claim 1, characterized in that: The cover cap (6) is provided with a plurality of air holes (7).

3. The electronic glue injector according to claim 1, characterized in that: The inner side of the cap (6) is provided with an internal thread, the outer side of the liquid storage cylinder (1) is provided with an external thread, and the internal thread is threadably connected to the external thread.

4. The electronic glue injector according to claim 1, characterized in that: The blocking structure comprises a blocking rod (10), the blocking rod (10) is fixedly mounted on the handle (9), a blocking sheet (11) is mounted on the blocking rod (10), and the right side of the blocking sheet (11) is aligned with the right side of the piston (5).

5. The electronic glue injector according to claim 4, characterized in that: The limiting structure comprises a collar (13), the collar (13) is slidably mounted on the outside of the liquid storage cylinder (1), the blocking piece (11) is matched with the collar (13), and the blocking piece (11) is matched with the scale line (12).

6. The electronic glue injector according to claim 5, characterized in that: The collar (13) is provided with two threaded holes (14), both of which are threadedly connected with bolts (15), and the outer ends of the bolts (15) are provided with twist handles (16).

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