Gun nozzle sleeve for hot melt glue gun and hot melt glue gun

Abstract

The utility model discloses a gun nozzle sleeve for a hot melt glue gun, which comprises a gun nozzle sleeve movably sleeved on the periphery of a gun nozzle on the hot melt glue gun, a glue receiving groove extending outwards is arranged at the bottom of the outer end of the gun nozzle sleeve, and an avoiding opening convenient for the gun nozzle to extend out is arranged on the side wall of the glue receiving groove opposite to the gun nozzle. The utility model further discloses the hot melt glue gun using the gun nozzle sleeve for the hot melt glue gun. In the process that the hot melt glue gun is paused, the hot melt glue gun can be supported to prevent a table top and other supporting objects from being scalded, and the gun nozzle sleeve wraps the gun nozzle in a large range, so that the anti-scalding effect is better; when the hot melt glue gun is supported and placed, the glue receiving groove is located below the gun nozzle and can be used for receiving dropped glue, so that the whole hot melt glue gun has multiple functions of supporting, scalding prevention, glue receiving and the like; the hot melt glue gun can be used paused and reused by pulling the pressing trigger and being matched with the sleeve return device, and the operation is simple and convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to hot melt glue stick application appliance technical field especially relates to a hot melt glue gun nozzle sleeve, and further relates to a hot melt glue gun using the nozzle sleeve. BACKGROUND

[0002] In the pause process of hot melt glue gun, the glue gun needs to be placed temporarily, but the nozzle is still in a high temperature state, and the table and other objects can be easily scalded and damaged if not placed carefully, and the molten glue inside can also easily drip out. In view of the above phenomenon, the support and the nozzle protective sleeve are usually set to solve the problem, and the two components that can solve the above problem are both split type structures, which increase the adaptive components of the hot melt glue gun when installed on the hot melt glue gun at the same time.

[0003] The protective structure of the nozzle is involved in the utility model patent with the patent number 202122231151.6 and the name of improved version hot melt glue gun, which can support and prevent scalding, but cannot have the function of glue receiving and cannot solve the problem of glue dripping. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem of providing a hot melt glue gun nozzle sleeve that can avoid the nozzle during use, partially cover the nozzle during placement, support and prevent scalding, and also contain spilled glue.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows: a hot melt glue gun nozzle sleeve, which comprises a nozzle sleeve pipe movably sleeved on the outer periphery of the nozzle of a hot melt glue gun, an outwardly extending glue receiving groove is arranged at the bottom of the outer end of the nozzle sleeve pipe, the groove opening of the glue receiving groove is arranged at the top, and a avoiding opening for the nozzle to extend out is arranged on the side wall of the glue receiving groove opposite to the nozzle.

[0006] As a preferred technical scheme, a sleeve pipe return device is assembled on the nozzle sleeve pipe to facilitate the return of the nozzle sleeve pipe.

[0007] As a preferred technical scheme, the sleeve pipe return device comprises a first return elastic member connected to the nozzle sleeve pipe, one end of the first return elastic member is connected to the nozzle sleeve pipe, and the other end is connected to the hot melt glue gun.

[0008] As a preferred technical scheme, the sleeve pipe return device comprises a return guide cylinder coaxially and fixedly sleeved in the nozzle sleeve pipe, and a second return elastic member is limitingly sleeved on the outer wall of the return guide cylinder.

[0009] As a preferred technical scheme, the bottom end of the nozzle sleeve pipe is provided with a push handle, and the push handle also serves as a placing support for the hot melt glue gun.

[0010] The utility model also relates to a hot melt adhesive gun, including hot melt adhesive gun body and press trigger, one end of press trigger rotates the assembly in the inside of hot melt adhesive gun body, the outside of the nozzle of hot melt adhesive gun body movably has the hot melt adhesive gun nozzle sleeve of the hot melt adhesive gun, be equipped with on the sleeve pipe of hot melt adhesive gun body for driving the sleeve pipe outwardly mobile extension sleeve pipe push device, be equipped with on press trigger with sleeve pipe push device cooperation uses push force protruding, be equipped with on the protruding hole of hot melt adhesive gun body for push force protruding with press trigger synchronous rotation with protruding hole.

[0011] As a preferred technical scheme, the sleeve pipe is fixedly connected with a sleeve force arm, the sleeve force arm extends to the outside of the sleeve pipe and is limitingly connected with the sleeve pipe push device.

[0012] As a preferred technical scheme, the sleeve pipe push device comprises a sleeve pipe push sliding groove slidingly assembled in the bottom end of the hot melt adhesive gun body, a limit clamping groove is fixedly arranged on the inner bottom wall of the sleeve pipe push sliding groove, the sleeve force arm is limitingly clamped in the limit clamping groove, and in the suspended use state, the push force protrusion penetrates the protruding hole and abuts against the outer wall of the sleeve pipe push sliding groove.

[0013] As a preferred technical scheme, the end of the sleeve force arm is provided with a limit clamping claw used in cooperation with the limit clamping groove.

[0014] As an improvement of the above technical scheme, the bottom of the sleeve pipe push sliding groove is provided with a protruding accommodating hole, and in the use state, part of the push force protrusion can penetrate the protruding hole and extend into the protruding accommodating hole.

[0015] Due to the adoption of the above technical scheme, the utility model has the following beneficial effects: in the process of suspending the use of the hot melt adhesive gun, the hot melt adhesive gun can be supported by means of the actuating handle and the rear end of the hot melt adhesive gun body, so as to prevent scalding of the support such as a table top, and the wide-range covering of the nozzle sleeve pipe to the nozzle makes the anti-scalding effect better; when the hot melt adhesive gun is supported and placed, the glue receiving groove is located below the nozzle, can be used for containing the dropped glue, so that the hot melt adhesive gun has multiple functions such as supporting, anti-scalding and glue receiving; the suspension and reuse of the hot melt adhesive gun can be completed by pulling the press trigger and cooperating with the sleeve pipe return device, so that the operation is simple and convenient. BRIEF DESCRIPTION OF DRAWINGS

[0016] The following drawings only aim to schematically illustrate and explain the utility model and do not limit the scope of the utility model.

[0017] Figure 1 It is the structural schematic diagram of the utility model embodiment one;

[0018] Figure 2 is a cross-sectional structure schematic view of the utility model embodiment one;

[0019] Figure 3 is a cross-sectional structure schematic view of the utility model embodiment two;

[0020] Figure 4 is a structure schematic view of the hot melt glue gun of the utility model using embodiment one;

[0021] Figure 5 is a cross-sectional structure schematic view of the hot melt glue gun of the utility model using embodiment one;

[0022] Figure 6 is a cross-sectional schematic view of the hot melt glue gun of the utility model using embodiment two in the glue receiving state;

[0023] Figure 7 is a cross-sectional structure schematic view of the hot melt glue gun of the utility model using embodiment two in the use state;

[0024] Figure 8 is Figure 6 the enlarged comparative schematic view of A place in glue receiving state to use state in the middle;

[0025] Figure 9 is Figure 6 the enlarged comparative schematic view of B place in glue receiving state to use state in the middle;

[0026] In the drawing: 1 - gun nozzle sleeve; 2 - glue receiving groove; 3 - avoiding mouth; 4 - return tension spring; 5 - toggle handle; 6 - return guide cylinder; 7 - return spring; 8 - hot melt glue gun body; 9 - press trigger; 10 - outer push force convex; 11 - convex avoiding hole; 12 - sleeve force arm; 13 - sleeve outer push sliding slot; 14 - limit slot; 15 - limit claw; 16 - convex containing hole. DETAILED DESCRIPTION

[0027] The utility model is further described below in combination with the drawings and embodiments. In the following detailed description, only certain exemplary embodiments of the utility model are described by way of illustration. It is needless to say that those skilled in the art can realize that the described embodiments can be modified in various ways without departing from the spirit and scope of the utility model. Therefore, the drawings and description are illustrative in nature, and are not used to limit the protection scope of the claims.

[0028] Embodiment one:

[0029] As Figure 1 and Figure 2As shown, a nozzle sleeve for a hot melt glue gun is movably mounted on the hot melt glue gun and covers the outer periphery of the nozzle. It includes a nozzle sleeve 1, which can be configured as a multi-segment structure with different outer diameters to accommodate transitions between different outer diameters of the hot melt glue gun and the nozzle. The bottom of the outer end of the nozzle sleeve 1 has an outwardly extending glue-receiving groove 2, with the groove opening at the top. The glue-receiving groove 2 has a clearance opening 3 on its side wall opposite the nozzle to facilitate the nozzle's extension. When the hot melt glue gun is not in use, the nozzle is located within the nozzle sleeve 1 and the glue-receiving groove 2. When in use, the nozzle sleeve 1 moves towards the rear of the hot melt glue gun, allowing the nozzle to extend through the clearance opening 3 for glue application.

[0030] The nozzle sleeve 1 is equipped with a sleeve return device to facilitate the return of the nozzle sleeve 1 to its original position. Under the action of the sleeve return device, when the hot melt glue gun is not in use, the nozzle sleeve 1 and the glue receiving groove 2 can be restored to the state of covering the nozzle.

[0031] In this embodiment, the sleeve return device includes a first return elastic element connected to the nozzle sleeve 1. To ensure the stable and reliable return of the nozzle sleeve 1, the first return elastic elements can be arranged opposite to each other on both sides of the nozzle sleeve 1. Figure 4 As shown, one end of each first return elastic element is connected to the nozzle sleeve 1, and the other end is connected to the hot melt glue gun. Specifically, the first return elastic element is set as a return tension spring 4. A toggle handle 5 is provided at the bottom end of the nozzle sleeve 1. The toggle handle 5 also serves as a support for the hot melt glue gun. The toggle handle 5 is inclined at the bottom of the outer end of the nozzle sleeve 1. The toggle handle 5 can be fixed for good support stability, or it can be rotated for easy storage of the entire hot melt glue gun. When not in use, the toggle handle 5 and the rear end of the hot melt glue gun can stably support it, keeping the nozzle as far away from the table or other support as possible, thereby avoiding problems such as burning the table. In the initial stage when the hot melt glue gun is supported, the nozzle is still at a high temperature and will be in the glue receiving groove 2. In this way, the glue dripping from the high temperature will be caught by the glue receiving groove 2, thereby preventing glue spillage and contamination of the table.

[0032] Example 2:

[0033] like Figure 3 As shown, the difference between this embodiment and Embodiment 1 lies in the specific structure of the sleeve return device. In this embodiment, the sleeve return device includes a return guide cylinder 6 coaxially and fixedly fitted inside the nozzle sleeve 1. A second return elastic element is fitted onto the upper limit of the outer wall of the return guide cylinder 6, and the second return elastic element is specifically configured as a return spring 7. Figure 6As shown, the end of the return guide cylinder 6 is provided with a protruding limiting ring table, one end of the return spring 7 abuts on the limiting ring table, and the other end abuts on the inside of the hot melt glue gun. Under the action of the return guide cylinder 6 and the return spring 7, the gun nozzle sleeve 1 and the glue receiving groove 2 can be restored to the covering state of the gun nozzle when the hot melt glue gun is stopped using.

[0034] The utility model also relates to a kind of hot melt glue gun, including hot melt glue gun body 8 and press trigger 9, one end of the press trigger 9 is rotatably equipped in the inside of the hot melt glue gun body 8, and torsion spring etc. for assisting the return of the press trigger 9 is also equipped at the rotatable assembly of the press trigger 9 and the hot melt glue gun body 8, and the above structure is the content known to ordinary skilled in the art, which will not be described in detail here. The gun nozzle outside of the hot melt glue gun body 8 movably sheaths the gun nozzle sleeve for hot melt glue gun, that is, the utility model can be assembled with the gun nozzle sleeve for hot melt glue gun of embodiment one or embodiment two and used.

[0035] The hot melt glue gun body 8 is provided with sleeve outer pushing device for driving the gun nozzle sleeve 1 to move outward, the press trigger 9 is provided with outer pushing force protrusion 10 for cooperating with the sleeve outer pushing device, which is generally fan-shaped, and the hot melt glue gun body 8 is provided with protrusion avoiding hole 11 for facilitating the synchronous rotation of the outer pushing force protrusion 10 with the press trigger 9. Through the cooperation of the sleeve outer pushing device, the outer pushing force protrusion 10 and the gun nozzle sleeve 1, the change between the exposed and covered states of the gun nozzle is realized, so as to facilitate use and safe placement.

[0036] The gun nozzle sleeve 1 is fixedly connected with sleeve stress arm 12, which extends to the outside of the gun nozzle sleeve 1 and is limitingly connected to the sleeve outer pushing device. The sleeve stress arm 12 can be driven to translate synchronously by the outer pushing force protrusion 10.

[0037] Specifically, the sleeve outer pushing device includes sleeve outer pushing sliding groove 13 slidably assembled in the inside of the bottom end of the hot melt glue gun body 8, the inner bottom wall of the sleeve outer pushing sliding groove 13 is fixedly provided with limiting clamping groove 14, the sleeve stress arm 12 is limitingly buckled in the limiting clamping groove 14, and in the suspended use state, the outer pushing force protrusion 10 abuts on the outer wall of the sleeve outer pushing sliding groove 13 after penetrating the protrusion avoiding hole 11. The end of the sleeve stress arm 12 is provided with limiting clamping jaw 15 for cooperating with the limiting clamping groove 14. Through the buckling cooperation of the limiting clamping jaw 15 and the limiting clamping groove 14, the assembly of the sleeve stress arm 12 and the sleeve outer pushing sliding groove 13 is realized, so as to facilitate the synchronous translation of the two.

[0038] The bottom of the sleeve outer push sliding groove 13 is provided with a protruding accommodation hole 16, and part of the outer push force protrusion 10 can extend into the protruding accommodation hole 16 after penetrating the protruding avoidance hole 11 in use, so that the gun nozzle can be kept in a bare state to facilitate continuous use of glue.

[0039] As shown in Figure 4 and Figure 5 , the hot melt glue gun body 8 is assembled and used with example one, and in the state of not being used or paused, the return tension spring is in a stretched state, the outer push force protrusion 10 penetrates the protruding avoidance hole 11 and abuts against the end of the sleeve outer push sliding groove 13, pushes and covers the gun nozzle with the gun nozzle sleeve 1 and the glue receiving groove 2, avoids accidental touch of the gun nozzle to cause burns or avoids burns of the support body, at this time, the entire hot melt glue gun can be supported and held by means of the knob handle 5 and the rear end of the hot melt glue gun body 8, and the glue receiving groove 2 is located below the gun nozzle to serve as a glue overflow container.

[0040] In the use process, the pressing trigger 9 is pressed, the outer push force protrusion 10 rotates downward synchronously, gradually releases the abutment against the sleeve outer push sliding groove 13, and the gun nozzle sleeve 1, the glue receiving groove 2 and the sleeve outer push sliding groove 13 are translated backward synchronously under the action of the pulling force of the return tension spring, in this process, the three can be moved smoothly by holding the knob handle 5 until the gun nozzle is exposed, at this time, the pressing trigger 9 is released, and part of the outer push force protrusion 10 can extend into the protruding accommodation hole 16, so that the pressing trigger 9 can be pressed in time to smoothly send glue outward.

[0041] As shown in Figures 6 to 9 , the hot melt glue gun body 8 is assembled and used with example two, and in the state of not being used or paused, the return spring 7 is in a compressed state, the outer push force protrusion 10 penetrates the protruding avoidance hole 11 and abuts against the end of the sleeve outer push sliding groove 13, pushes and covers the gun nozzle with the gun nozzle sleeve 1 and the glue receiving groove 2, avoids accidental touch of the gun nozzle to cause burns or avoids burns of the support body, at this time, the entire hot melt glue gun can be supported and held by means of the knob handle 5 and the rear end of the hot melt glue gun body 8, and the glue receiving groove 2 is located below the gun nozzle to serve as a glue overflow container.

[0042] In use, the press trigger 9 is pressed down, the outer push force protrusion 10 is rotated down synchronously, gradually releasing the abutment of the sleeve outer push sliding groove 13, under the elastic force of the return spring 7, the gun nozzle sleeve 1, the glue receiving groove 2 and the sleeve outer push sliding groove 13 are translated backward synchronously, in this process, the three can be moved gently by holding the knob handle 5, until the gun nozzle is exposed, at this time, the press trigger is released, part of the outer push force protrusion 10 can extend into the protrusion accommodating hole 16, so that the press trigger 9 can be pressed outward to send glue smoothly.

[0043] In the process of converting the hot melt glue gun from the state of use to the state of non-use, that is, from the state of the gun nozzle being exposed to the state of being covered, the knob handle 5 can be held by hand and pulled outward with force, stretching the return tension spring or compressing the return spring 7, driving the gun nozzle sleeve 1 and the glue receiving groove 2 to move outward synchronously, assisting the outer push force protrusion 10 to abut against the sleeve outer push sliding groove 13 quickly and successfully, realizing the state of the gun nozzle being covered to prevent scalding.

[0044] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A nozzle tip cover for a hot melt glue gun, characterized by: The gun nozzle sleeve is movably sleeved on the gun nozzle of the hot melt adhesive gun, and the outer end of the gun nozzle sleeve is provided with an adhesive receiving groove extending outward, and the opening of the adhesive receiving groove is arranged at the top.

2. A nozzle tip cover for a hot melt glue gun as claimed in claim 1, characterized in that: The gun nozzle sleeve is provided with a sleeve reset device.

3. A nozzle tip cover for a hot melt glue gun as defined in claim 2, wherein: The sleeve reset device comprises a first reset elastic member arranged in connection with the gun nozzle sleeve.

4. A nozzle tip cover for a hot melt glue gun as defined in claim 2, wherein: The sleeve reset device comprises a reset guide cylinder coaxially and fixedly sleeved in the gun nozzle sleeve.

5. A nozzle tip cover for a hot melt glue gun as defined in claim 1, wherein: The bottom end of the gun nozzle sleeve is provided with a knob handle, and the knob handle also serves as a placing support of the hot melt adhesive gun.

6. A hot melt glue gun comprising a hot melt glue gun body and a press trigger, one end of the press trigger being rotatably assembled in the interior of the hot melt glue gun body, characterized in that: The gun nozzle sleeve is movably sleeved on the gun nozzle of the hot melt adhesive gun, and the outer end of the gun nozzle sleeve is provided with an adhesive receiving groove extending outward, and the opening of the adhesive receiving groove is arranged at the top.

7. The hot melt glue gun of claim 6, wherein: The gun nozzle sleeve is provided with a sleeve reset device.

8. The hot melt glue gun of claim 7, wherein: The sleeve reset device comprises a first reset elastic member arranged in connection with the gun nozzle sleeve.

9. The hot melt glue gun of claim 8, wherein: The sleeve reset device comprises a reset guide cylinder coaxially and fixedly sleeved in the gun nozzle sleeve.

10. The hot melt glue gun of claim 8, wherein: The bottom end of the gun nozzle sleeve is provided with a knob handle, and the knob handle also serves as a placing support of the hot melt adhesive gun. The gun nozzle sleeve is movably sleeved on the gun nozzle of the hot melt adhesive gun, and the outer end of the gun nozzle sleeve is provided with an adhesive receiving groove extending outward, and the opening of the adhesive receiving groove is arranged at the top. The gun nozzle sleeve is provided with a sleeve reset device. The sleeve reset device comprises a first reset elastic member arranged in connection with the gun nozzle sleeve. The sleeve reset device comprises a reset guide cylinder coaxially and fixedly sleeved in the gun nozzle sleeve. The bottom end of the gun nozzle sleeve is provided with a knob handle, and the knob handle also serves as a placing support of the hot melt adhesive gun. The gun nozzle sleeve is movably sleeved on the gun nozzle of the hot melt adhesive gun, and the outer end of the gun nozzle sleeve is provided with an adhesive receiving groove extending outward, and the opening of the adhesive receiving groove is arranged at the top. The gun nozzle sleeve is provided with a sleeve reset device. The sleeve reset device comprises a first reset elastic member arranged in connection with the gun nozzle sleeve. The sleeve reset device comprises a reset guide cylinder coaxially and fixedly sleeved in the gun nozzle sleeve. The bottom end of the gun nozzle sleeve is provided with a knob handle, and the knob handle also serves as a placing support of the hot melt adhesive gun. The gun nozzle sleeve is movably sleeved on the gun nozzle of the hot melt adhesive gun, and the outer end of the gun nozzle sleeve is provided with an adhesive receiving groove extending outward, and the opening of the adhesive receiving groove is arranged at the top. The gun nozzle sleeve is provided with a sleeve reset device. The sleeve reset device comprises a first reset elastic member arranged in connection with the gun nozzle sleeve. The sleeve reset device comprises a reset guide cylinder coaxially and fixedly sleeved in the gun nozzle sleeve. The bottom end of the gun nozzle sleeve is provided with a knob handle, and the knob handle also serves as a placing support of the hot melt adhesive gun.

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