A glue stick pushing mechanism applied to a hot melt glue gun

Abstract

The utility model discloses a kind of glue stick pushing mechanism applied to hot melt glue gun, including glue gun body, glue strip conveying device and control component, glue gun body one end is equipped with hot melt glue nozzle, the other end of glue gun body is equipped with glue stick feed port, glue strip conveying device includes trigger member, and the feeding assembly hinged with trigger member and the first reset spring connected with the movable end of trigger member, control component includes the adjusting nut of being set in the one end of limit shell close to glue stick feed port and the push rod engaged with adjusting nut inner ring, can be pushed closer or away from limit shell by adjusting nut to make push rod, to realize the length of the glue stick that can be pushed with precision control, and then cock trigger member utilizes limit shell and the locking piece that one end can move up and down in limit shell carries out the transmission of glue stick, finally extrude and complete glue discharging through hot melt glue nozzle, can realize the continuity of manual precision glue discharging, overall glue discharging is more stable, guarantee that glue discharging amount is more accurate, the utility model belongs to hot melt glue gun structure field.

Description

Technical Field

[0001] This utility model belongs to the field of hot melt glue gun structure, and more specifically relates to a glue stick pushing mechanism applied to a hot melt glue gun. Background Technology

[0002] In existing hot melt glue guns, the glue sticks are fed by manually controlling the trigger pull to drive the feeder. This feeding method is not conducive to the precise dispensing of different types of glue sticks in actual use, making it difficult to guarantee the continuity and accuracy of glue dispensing, and it is also time-consuming and labor-intensive to use. Utility Model Content

[0003] The main purpose of this invention is to provide a glue stick pushing mechanism for hot melt glue guns, which can better ensure the continuity and accuracy of glue dispensing, and is time-saving and labor-saving to use.

[0004] To achieve the above objectives, the technical solution of this utility model is as follows:

[0005] A glue stick feeding mechanism for a hot melt glue gun includes a glue gun body, a glue strip feeding device, and a control component. One end of the glue gun body has a hot melt glue nozzle, and the other end has a glue stick inlet. The glue strip feeding device includes a trigger, a feeding component hinged to the trigger, and a first return spring connected to the movable end of the trigger. The feeding component includes a limiting shell through which the glue stick can pass and a locking member, one end of which can move up and down within the limiting shell. The other end of the locking member is hinged to the trigger. The control component includes an adjusting nut located at the end of the limiting shell near the glue stick inlet and a push rod engaging with the inner ring of the adjusting nut. The adjusting nut protrudes outward from the glue gun body, and one end of the push rod can move closer to or further away from the limiting shell under the action of the adjusting nut.

[0006] According to a first aspect of the present invention, the adhesive strip conveying device further includes a connecting member disposed between the trigger member and the locking member, one end of the connecting member being hinged to the movable end of the trigger member, and the other end of the connecting member being hinged to the locking member.

[0007] According to a first aspect of the present invention, the locking member has a plurality of oblique teeth spaced apart at one end located inside the limiting shell.

[0008] According to a first aspect of the present invention, it further includes a limiting component for assisting the reciprocating motion of the limiting shell, the limiting component including a second return spring that allows the limiting shell to automatically retract and a limiting strip that can be inserted into the side of the limiting shell.

[0009] According to a first aspect of the present invention, a first limiting post and a second limiting post are spaced apart on the inner wall of the glue gun body, the middle part of the second return spring is sleeved on the second limiting post, one end of the second return spring abuts against the side of the limiting shell away from the glue rod inlet, and the other end of the second return spring abuts against the first limiting post.

[0010] According to a first aspect of the present invention, the limiting strip is provided with a guide groove inside, which allows the side of the limiting shell to be inserted and reciprocated. The end of the guide groove away from the control component is closed.

[0011] According to a first aspect of the present invention, the length of the guide groove is greater than the length of the limiting shell.

[0012] According to a first aspect of the present invention, the outer circumference of the adjusting nut is provided with a plurality of anti-slip protrusions evenly spaced apart, and the end of the push rod away from the feed port of the rubber rod is provided with a push plate that can abut against the side of the limiting shell.

[0013] According to a first aspect of the present invention, a hot melt glue nozzle and a glue rod feeding channel are provided between the hot melt glue nozzle and the glue rod feeding port. One end of the hot melt glue nozzle is connected to the hot melt glue nozzle, and the other end of the hot melt glue nozzle is connected to the glue rod feeding channel.

[0014] According to a first aspect of the present invention, a bracket is provided below the hot melt glue nozzle, and an inclined surface is provided at the bottom of the glue gun body that can be placed in conjunction with the bracket.

[0015] One of the above-described technical solutions of this utility model has at least one of the following advantages or beneficial effects:

[0016] This invention allows for precise control of the length of the pushable glue stick by adjusting the adjusting nut to move the push rod closer to or away from the limiting shell. This enables the trigger to be pulled to transmit the glue stick using the limiting shell and a locking device that can move up and down within the limiting shell. Finally, the glue is extruded through the hot melt glue nozzle. Therefore, it enables precise manual glue dispensing, more stable continuous glue dispensing, and more accurate glue dispensing volume. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0018] Appendix Figure 1 This is an overall structural diagram of one embodiment of the present utility model;

[0019] Appendix Figure 2 This is an exploded view of one embodiment of the present invention;

[0020] Appendix Figure 3 This is a top view of one embodiment of the present invention;

[0021] Appendix Figure 4 This is an exploded view of a control component portion according to an embodiment of the present invention;

[0022] Appendix Figure 5 This is an internal structural diagram of one embodiment of the present utility model;

[0023] Appendix Figure 6 This is a partial structural diagram of the limiting component according to an embodiment of the present utility model. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0027] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" and "second" may explicitly or implicitly include one or more features.

[0028] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, it can be a fixed connection or a movable connection, a detachable connection or a non-detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection or a connection that can communicate with each other; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two elements, an indirect connection, or an interaction between two elements.

[0029] The following disclosure provides many different implementation methods or examples for different solutions to implement this utility model.

[0030] See attached document Figure 1 To be continued Figure 6 As shown, a glue stick pushing mechanism for a hot melt glue gun includes a glue gun body 1, a glue strip conveying device 4, a feeding assembly hinged to a trigger 41, a control assembly 6, and a limiting assembly 7 for assisting the reciprocating motion of the limiting shell 51.

[0031] In one embodiment of the present invention, a hot melt glue nozzle 2 is provided at one end of the glue gun body 1, and a glue rod inlet 3 is provided at the other end of the glue gun body 1. A hot melt glue tube 8 and a glue rod conveying channel are provided between the hot melt glue nozzle 2 and the glue rod inlet 3. One end of the hot melt glue tube 8 is connected to the hot melt glue nozzle 2, and the other end of the hot melt glue tube 8 is connected to the glue rod conveying channel.

[0032] In one embodiment of this utility model, a bracket 9 is provided below the hot melt glue nozzle 2, and an inclined surface is provided at the handle at the bottom of the glue gun body 1 to cooperate with the bracket 9. Thus, when placing the hot melt glue gun, the hot melt glue nozzle 2 can be placed in the air at an angle, which can prevent the hot melt glue nozzle 2 from contacting hard surfaces, reduce the wear of the hot melt glue nozzle 2, and extend the service life of the glue gun.

[0033] In one embodiment of the present invention, the adhesive strip conveying device 4 includes a trigger 41, a first return spring 42 connected to the movable end of the trigger 41, and a connector 43 disposed between the trigger 41 and the locking member 52. One end of the connector 43 is hinged to the movable end of the trigger 41, and the other end of the connector 43 is hinged to the locking member 52. A plurality of oblique teeth are provided at intervals at one end of the locking member 52 located inside the limiting shell 51, which can drive the adhesive strip forward after the trigger 41 is pulled.

[0034] In one embodiment of this utility model, the feeding assembly includes a limiting shell 51 through which the glue stick can pass and a locking member 52 whose one end can move up and down within the limiting shell 51. The other end of the locking member 52 is hinged to the trigger member 41. Therefore, the glue stick is fed through the glue stick inlet 3 and passes through the limiting shell 51. Pulling the trigger member 41 can convey the glue stick. The glue stick enters the hot melt glue tube 8 through the glue stick conveying channel, is heated and melted by the heating device attached to the hot melt glue tube 8, and is extruded through the hot melt glue nozzle 2 to complete the glue dispensing.

[0035] In one embodiment of this utility model, the control component 6 includes an adjusting nut 61 disposed at one end of the limiting shell 51 near the glue rod inlet 3 and a push rod 62 meshing with the inner ring of the adjusting nut 61. The outer circumference of the adjusting nut 61 is provided with a plurality of anti-slip protrusions evenly spaced apart. The end of the push rod 62 away from the glue rod inlet 3 is provided with a push plate that can abut against the side of the limiting shell 51, and the adjusting nut 61 is provided to protrude outward from the glue gun body 1, so that one end of the push rod 62 can move closer to or away from the limiting shell 51 under the action of the adjusting nut 61.

[0036] In one embodiment of this utility model, when the adjusting nut 61 is moved so that the push plate at one end of the push rod 62 moves toward the limiting shell 51, the distance that the adhesive strip is driven forward by the locking member 52 after the trigger 41 is pulled can be shortened; when the adjusting nut 61 is moved so that the push plate at one end of the push rod 62 moves away from the limiting shell 51, the distance that the adhesive strip is driven forward by the locking member 52 after the trigger 41 is pulled can be increased, thereby controlling the length of the pushed adhesive rod, thereby achieving manual and precise dispensing of adhesive, making the overall dispensing continuity more stable, and the dispensing amount more accurate.

[0037] In one embodiment of this utility model, the limiting component 7 includes a second return spring 71 that allows the limiting shell 51 to automatically retract and a limiting strip 72 that can be inserted into the side of the limiting shell 51. By providing a first limiting post 11 and a second limiting post 12 at intervals on the inner wall of the glue gun body 1, the middle part of the second return spring 71 is sleeved on the second limiting post 12. One end of the second return spring 71 abuts against the side of the limiting shell 51 away from the glue stick inlet 3, and the other end of the second return spring 71 abuts against the first limiting post 11. This allows the limiting shell 51 and the locking member 52 to move the glue stick forward under the action of the trigger member 41. After the trigger member 41 is released, the limiting shell 51 and the locking member 52 will retract to the limited position of the push plate at one end of the push rod 62 under the action of the second return spring 71.

[0038] In one embodiment of this utility model, a guide groove 721 is provided inside the limiting strip 72, which allows the limiting shell 51 to reciprocate after being inserted into the side. The end of the guide groove 721 away from the control component 6 is closed, and the length of the guide groove 721 is set to be greater than the length of the limiting shell 51, thereby limiting the maximum distance that the limiting shell 51 and the locking member 52 can drive the rubber strip forward.

[0039] This glue stick pushing mechanism can feed a glue stick into the glue stick inlet 3 and through the limiting shell 51. The length of the glue stick being pushed can be adjusted by the control component 6, and then the trigger component 41 can be pulled to convey the glue stick. The glue stick enters the hot melt glue tube 8 through the glue stick conveying channel, is heated and melted by the heating device attached to the hot melt glue tube 8, and is extruded through the hot melt glue nozzle 2 to complete the glue dispensing. Therefore, it can realize manual and precise glue dispensing, the overall glue dispensing continuity is more stable, and the glue dispensing amount is more accurate.

[0040] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A glue stick pushing mechanism for use in a hot melt glue gun, characterized in that, include: The glue gun body (1) has a hot melt glue nozzle (2) at one end and a glue stick inlet (3) at the other end. The adhesive strip conveying device (4) includes a trigger (41), a feeding assembly hinged to the trigger (41), and a first return spring (42) connected to the movable end of the trigger (41). The feeding assembly includes a limiting shell (51) through which the rubber strip can pass and a locking member (52) whose one end can move up and down within the limiting shell (51), and the other end of the locking member (52) is hinged to the trigger member (41). The control component (6) includes an adjusting nut (61) disposed on the end of the limiting shell (51) near the glue gun inlet (3) and a push rod (62) meshing with the inner ring of the adjusting nut (61). The adjusting nut (61) protrudes outward from the glue gun body (1). One end of the push rod (62) can move closer to or away from the limiting shell (51) under the action of the adjusting nut (61).

2. The glue stick pushing mechanism for a hot melt glue gun according to claim 1, characterized in that: The adhesive strip conveying device (4) further includes a connector (43) disposed between the trigger member (41) and the locking member (52), one end of the connector (43) being hinged to the movable end of the trigger member (41), and the other end of the connector (43) being hinged to the locking member (52).

3. The glue stick pushing mechanism for a hot melt glue gun according to claim 2, characterized in that: The locking member (52) is provided with a plurality of oblique teeth at intervals at one end located inside the limiting shell (51).

4. The glue stick pushing mechanism for a hot melt glue gun according to claim 1, characterized in that: It also includes a limiting component (7) for assisting the reciprocating motion of the limiting shell (51), the limiting component (7) including a second return spring (71) that allows the limiting shell (51) to automatically retract and a limiting strip (72) that can be inserted into the side of the limiting shell (51).

5. The glue stick pushing mechanism for a hot melt glue gun according to claim 4, characterized in that: The inner wall of the glue gun body (1) is provided with a first limiting post (11) and a second limiting post (12) spaced apart. The middle part of the second return spring (71) is sleeved on the second limiting post (12). One end of the second return spring (71) abuts against the side of the limiting shell (51) away from the glue rod inlet (3), and the other end of the second return spring (71) abuts against the first limiting post (11).

6. The glue stick pushing mechanism for a hot melt glue gun according to claim 4, characterized in that: The limiting strip (72) has a guide groove (721) inside, which allows the limiting shell (51) to reciprocate after being inserted into the side. The end of the guide groove (721) away from the control component (6) is closed.

7. The glue stick pushing mechanism for a hot melt glue gun according to claim 6, characterized in that: The length of the guide groove (721) is greater than the length of the limiting shell (51).

8. The glue stick pushing mechanism for a hot melt glue gun according to claim 1, characterized in that: The adjusting nut (61) has a plurality of anti-slip protrusions evenly spaced on its outer circular surface, and the push rod (62) has a push plate at one end away from the glue rod inlet (3) that can abut against the side of the limiting shell (51).

9. The glue stick pushing mechanism for a hot melt glue gun according to claim 1, characterized in that: A hot melt adhesive tube (8) and a glue rod conveying channel are provided between the hot melt adhesive nozzle (2) and the glue rod inlet (3). One end of the hot melt adhesive tube (8) is connected to the hot melt adhesive nozzle (2), and the other end of the hot melt adhesive tube (8) is connected to the glue rod conveying channel.

10. The glue stick pushing mechanism for a hot melt glue gun according to claim 9, characterized in that: The hot melt glue nozzle (2) is provided with a bracket (9) below it, and the glue gun body (1) has an inclined surface at the bottom that can be placed in conjunction with the bracket (9).

Images