CN112934627A - Convenient continuous material hot melt adhesive gun with automatic blocking cover - Google Patents
Convenient continuous material hot melt adhesive gun with automatic blocking cover Download PDFInfo
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- CN112934627A CN112934627A CN202110315679.3A CN202110315679A CN112934627A CN 112934627 A CN112934627 A CN 112934627A CN 202110315679 A CN202110315679 A CN 202110315679A CN 112934627 A CN112934627 A CN 112934627A
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- melt adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/00523—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material
- B05C17/00526—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application
- B05C17/0053—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes provided with means to heat the material the material being supplied to the apparatus in a solid state, e.g. rod, and melted before application the driving means for the material being manual, mechanical or electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
- B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
- B05C17/0052—Accessories therefor
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Abstract
The invention discloses a convenient material feeding hot melt adhesive gun with an automatic blocking cover, which comprises a main body, wherein the main body structurally comprises a handle which is positioned on the lower side of the main body in an extending manner and is convenient for hand grasping operation, and a heating head for heating and extruding a hot melt adhesive rod is fixedly connected to a proper position on the left side of the main body; the main body is internally provided with a trigger mechanism which is responsible for being operated by fingers and specially delivering corresponding power, a glue supply mechanism which is responsible for feeding the hot melt glue stick into the main body and a cover mechanism which blocks the heating head when not in work; the internal structure of the hot melt adhesive is relatively simple while realizing the function, so that the manufacturing cost and the manufacturing difficulty are saved; the internal structure is compact, the appearance is not bloated and is relatively beautiful; the cover of the glue gun can cover the head when not in use, so that heated hot melt glue is prevented from overflowing from the head, linkage is stable and efficient, the cover can be automatically opened when glue is extruded, and operation is smooth and free from ribs.
Description
Technical Field
The invention relates to the related field of hardware tools, in particular to a convenient material feeding hot melt adhesive gun with an automatic blocking cover.
Background
The hot melt adhesive gun is a decoration tool, is widely used for bonding products of hot melt adhesive strips in electronic factories, food factories, packaging factories and the like, and when the used gap of the hot melt adhesive gun is not powered off at the present stage, the heated hot melt adhesive can flow out from the gun mouth and drip on a table top and the like to cause pollution, and the hot melt adhesive gun is seriously easy to be stained on the skin to cause scald;
when the hot melt adhesive gun in the current stage is used for the adhesive stick and can not continuously discharge the adhesive, the new adhesive stick is replaced, the trigger is pulled, the adhesive can not be continuously discharged, the adhesive needs to be continuously supplied until the new hot melt adhesive stick completely enters most positions of the adhesive gun by manually pushing a distance, and the efficiency is affected due to the fact that the hot melt adhesive gun is inconvenient.
Therefore, in order to solve the above problems, a new convenient continuous hot melt glue gun is needed, which has a protective cover, the protective cover can be automatically opened during glue extrusion, and the glue stick can be supplied more smoothly.
Disclosure of Invention
In view of the above, the present invention provides a convenient feeding hot melt glue gun with an automatic blocking cover, which has a protective cover capable of being automatically opened during glue extrusion and can supply glue sticks more smoothly.
A convenient material feeding hot melt adhesive gun with an automatic blocking cover comprises a main body, wherein the main body structurally comprises a handle which is positioned on the lower side of the main body in an extending manner and is convenient for hand grasping operation, and a heating head for heating and extruding a hot melt adhesive rod is fixedly connected to a proper position on the left side of the main body; the main body is internally provided with a trigger mechanism which is responsible for being operated by fingers and specially delivering corresponding power, a glue supply mechanism which is responsible for feeding the hot melt glue stick into the main body and a cover mechanism which blocks the heating head when not in work; the glue supply mechanism keeps a rotating wheel mechanism which rotates to drive the hot melt glue stick and a non-return mechanism which prevents the hot melt glue stick from reversely sliding out; the non-return mechanism comprises a double-wheel component which is contacted with the hot melt adhesive rod and is mutually meshed and a ratchet wheel component which is responsible for ensuring the unidirectional rotation of the double-wheel component; the trigger mechanism comprises a sliding trigger assembly and a linkage assembly connected to the sliding trigger assembly; under normal conditions, the heating head is covered to prevent the molten hot melt adhesive stick from dripping out, and when a finger presses the sliding trigger assembly, the linkage assembly is firstly driven by the sliding trigger assembly and enables the cover mechanism to be opened through a series of connecting rod actions so as to work; thereby a series of gears and wheel in the double round subassembly are guaranteed through the cooperation of radius and tooth number proportion unanimous linear velocity and are stable will the hot melt adhesive stick is sent into in the main part, just the double round subassembly with ratchet assembly's cooperation is down guaranteed unidirectional rotation, thereby has guaranteed the smooth supply of hot melt adhesive stick.
Furthermore, a glue rod channel which is positioned at a proper position and penetrates through the main body from left to right for the hot melt glue rod to pass through, an upper rotating wheel cavity which is positioned at a proper position on the right side of the main body, and a lower rotating wheel cavity which is positioned on the lower side of the upper rotating wheel cavity and is communicated with the upper rotating wheel cavity are arranged in the main body; the lower runner cavity is communicated with the lower runner cavity, and the trigger groove is positioned in the lower cavity wall of the left part of the Su-Bay sliding plate cavity, is provided with an upper opening and a lower opening and is communicated with the sliding plate cavity and the outside; the sliding block cavity is positioned above the left part of the sliding plate cavity, is communicated with the sliding plate cavity and is provided with a left opening at the upper part; an extrusion hole is formed in the heating head, and the right part of the extrusion hole is aligned with the left opening of the glue stick channel.
Furthermore, the double-wheel assembly in the rotating wheel mechanism is arranged in the upper rotating wheel cavity and the lower rotating wheel cavity and comprises an upper rotating shaft fixedly connected between the front cavity wall and the rear cavity wall of the upper rotating wheel cavity and a lower rotating shaft fixedly connected between the front cavity wall and the rear cavity wall of the lower rotating wheel cavity, the upper rotating shaft is rotatably connected with an upper rotating wheel, two pinions are fixedly connected on the front end surface and the rear end surface of the upper rotating wheel, the corresponding positions on the lower rotating shaft are also rotatably connected with two large gears respectively engaged with the pinions, the two large gears are fixedly connected with a lower rotating wheel, the lower rotating wheel is rotatably connected with the lower rotating shaft, the front end surface of the large gear on the front side and the rear end surface of the large gear on the rear side are respectively fixedly connected with an one-way driving wheel, and the one-way driving wheel is also rotatably connected, the upper rotating wheel and the lower rotating wheel are respectively provided with a circular groove for accommodating the hot melt adhesive rod, the surface of the circular groove is provided with a certain friction force, the ratio of the number of teeth of the small gear to the radius of the upper rotating wheel is the same as the ratio of the number of teeth of the large gear to the radius of the lower rotating wheel, and therefore when the large gear drives the small gear, the linear speed of the small gear is the same as that of the large gear, and the linear speed of the upper rotating wheel is also the same as that of the lower rotating wheel.
Furthermore, the ratchet wheel component in the rotating wheel mechanism comprises an inner ratchet wheel fixedly connected to a proper position on the lower rotating shaft, a ratchet wheel cavity with a forward opening is arranged in the front cavity wall of the unidirectional driving wheel on the front side, the inner ratchet wheel extends into the ratchet wheel cavity, a unidirectional block cavity with an opening towards the circle center is arranged on the cavity wall of the ratchet wheel cavity, a unidirectional block fixing shaft is rotationally connected between the front cavity wall and the rear cavity wall of the unidirectional block cavity, a unidirectional block capable of being matched with the inner ratchet wheel is rotationally connected on the unidirectional block fixing shaft, and a unidirectional block spring piece is fixedly connected between the unidirectional block and the corresponding cavity wall of the unidirectional block cavity.
Furthermore, the linkage assembly in the trigger mechanism comprises a sliding block which is connected in a sliding block cavity in a sliding mode, the left side of the sliding block extends out of an opening in the left side of the sliding block cavity, the right side of the sliding block is of a downward extending structure and extends into the trigger groove, a positioning rod is fixedly connected to a proper position on the right side cavity wall of the sliding block cavity, the left end of the positioning rod penetrates through the sliding block and extends out of the sliding block, the positioning rod is connected with the sliding block in a sliding mode to play a role in stabilizing the sliding block when the sliding block slides, and a reset spring is fixedly connected between the right side end face of the sliding block and the right side cavity wall of the sliding block cavity.
Furthermore, the sliding trigger component in the trigger mechanism is arranged in the sliding plate cavity and comprises a sliding plate which is connected in the sliding plate cavity in a sliding manner, the left side part of the sliding plate is of an integrated plate shape, the right side part of the sliding plate is of a front strip shape and a rear strip shape which are completely the same, a one-way transmission rack which can be matched with the one-way transmission wheel is arranged at a proper position at the upper end of the right side part of the sliding plate, a hinged cavity with an upward opening is arranged in the upper end face of the proper position at the left side of the sliding plate, a hinged shaft is rotatably connected between the front cavity wall and the rear cavity wall of the hinged cavity, the hinged shaft and the part of the sliding block extending into the sliding plate cavity form a rotary connection, a trigger is fixedly connected to the lower end face at the right end of the sliding plate, and the trigger, an extrusion head cavity with a downward opening is arranged in the upper cavity wall at a proper position of the sliding plate cavity, an extrusion head is connected in the extrusion head cavity in a sliding mode, an extrusion spring is fixedly connected between the upper end of the extrusion head and the upper cavity wall of the extrusion head cavity, and the lower end of the extrusion head is in contact with the upper end face of the sliding plate.
Further, lid mechanism sets up the linkage subassembly on the sliding block, lid mechanism includes fixed connection and is in the fixed connecting rod seat of locating lever left end, be equipped with in the fixed connecting rod seat and decide the connecting rod groove just it is connected with and decides the connecting rod axle to rotate between the chamber wall around deciding the connecting rod groove, the sliding block stretches out some left end suitable positions and is equipped with and moves the connecting rod groove, it moves the connecting rod axle to rotate to be connected with between the chamber wall around moving the connecting rod groove, it is connected with long connecting rod to rotate on the connecting rod axle, be equipped with the U-shaped groove in the long connecting rod just the U-shaped groove with constitute sliding connection between the sliding plate, the suitable position fixedly connected with lid in upper left end of long connecting rod, the lid just can cover the left end of heating head.
Further, set up in the main part end contrary mechanism, end contrary mechanism is including setting up end contrary piece chamber in the chamber wall about the excellent passageway suitable position of glue, rotate between the chamber wall around end contrary piece chamber and be connected with end contrary piece fixed axle, end contrary piece fixed axle is last to rotate and is connected with end contrary piece just end contrary piece right-hand member suitable position all with correspond fixedly connected with end contrary piece spring leaf between the chamber wall in end contrary piece chamber, the left end of end contrary piece all stretches into in the excellent passageway of glue with the contact of hot melt adhesive stick and restriction the right removal of hot melt adhesive stick.
The invention has the beneficial effects that: the technical scheme provides a convenient continuous hot melt adhesive gun which is provided with a protective cover, can be automatically opened when extruding adhesive and has smoother adhesive rod supply; the internal structure of the hot melt adhesive is relatively simple while realizing the function, so that the manufacturing cost and the manufacturing difficulty are saved; the internal structure is compact, the appearance is not bloated and is relatively beautiful; the cover of the glue gun can cover the head when not in use, so that heated hot melt glue is prevented from overflowing from the head, the linkage is stable and efficient, the cover can be automatically opened when the glue is extruded, and the operation is smooth and free from ribs; the special wheel type structure in the hot melt adhesive supplies the adhesive stick, the adhesive stick can be continuously extruded forwards when the upper adhesive stick and the lower adhesive stick are just continued, the adhesive tape does not need to be manually pushed like a conventional hot melt adhesive gun, the operation efficiency is greatly improved, and the waste of the hot melt adhesive stick is also reduced.
Drawings
Fig. 1 is a schematic structural diagram of the hot melt adhesive.
FIG. 2 is an enlarged view taken at A in FIG. 1;
FIG. 3 is an enlarged view at B of FIG. 1;
FIG. 4 is a schematic cross-sectional view at C-C of FIG. 1;
FIG. 5 is a schematic cross-sectional view taken at D-D in FIG. 4;
FIG. 6 is an enlarged view at E in FIG. 5;
FIG. 7 is a schematic view, partly in section, of the hot melt adhesive;
FIG. 8 is a schematic view of the assembly of the double wheel assembly in the apparatus;
FIG. 9 is the assembly diagram of the large gear, the lower rotating wheel and the one-way transmission wheel in the device.
Detailed Description
The invention will now be described in detail with reference to fig. 1-9, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The convenient material feeding hot melt adhesive gun with the automatic blocking cover, which is described in conjunction with the attached drawings 1-9, comprises a main body 11, wherein the main body 11 structurally comprises a handle 20 which is positioned at the lower side of the main body 11, extends and is stored for facilitating the grasping operation of a hand, and a heating head 21 for heating and extruding a hot melt adhesive rod 23 is fixedly connected at a proper position at the left side of the main body 11; the main body 11 is provided with a trigger mechanism 58 which is operated by fingers and specially delivers corresponding power, a glue supply mechanism 59 which is used for feeding the hot melt glue stick 23 into the main body 11, and a cover mechanism 60 which blocks the heating head 21 when not in work; the glue supply mechanism 59 retains a rotating wheel mechanism 61 which rotates to drive the hot melt glue rod 23 and a non-return mechanism 62 which prevents the hot melt glue rod 23 from reversely sliding out; the non-return mechanism 62 comprises a double-wheel component 63 which is contacted with the hot melt adhesive rod 23 and is mutually meshed with the hot melt adhesive rod, and a ratchet wheel component 64 which is responsible for ensuring the unidirectional rotation of the double-wheel component 63; the trigger mechanism 58 includes a sliding trigger assembly 66 and a linkage assembly 65 connected to the sliding trigger assembly 66; under normal conditions, the 69 covers the heating head 21 to prevent the melted hot melt adhesive rod 23 from dripping out, when the sliding trigger assembly 66 is pressed by a finger, the linkage assembly 65 is firstly driven by the sliding trigger assembly 66 and enables the cover mechanism 60 to be opened through a series of link actions so as to work; a series of gears and wheels in the double-wheel assembly 63 ensure consistent linear speed through the matching of the radius and the tooth number ratio, so that the hot melt adhesive rod 23 is stably fed into the main body 11, and the double-wheel assembly 63 ensures unidirectional rotation under the matching with the ratchet wheel assembly 64, so that the smooth supply of the hot melt adhesive rod 23 is ensured; the technical scheme provides a convenient continuous hot melt adhesive gun which is provided with a protective cover, can be automatically opened when extruding adhesive and has smoother adhesive rod supply; the internal structure of the hot melt adhesive is relatively simple while realizing the function, so that the manufacturing cost and the manufacturing difficulty are saved; the internal structure is compact, the appearance is not bloated and is relatively beautiful; the cover of the glue gun can cover the head when not in use, so that heated hot melt glue is prevented from overflowing from the head, the linkage is stable and efficient, the cover can be automatically opened when the glue is extruded, and the operation is smooth and free from ribs; the special wheel type structure in the hot melt adhesive supplies the adhesive stick, the adhesive stick can be continuously extruded forwards when the upper adhesive stick and the lower adhesive stick are just continued, the adhesive tape does not need to be manually pushed like a conventional hot melt adhesive gun, the operation efficiency is greatly improved, and the waste of the hot melt adhesive stick is also reduced.
In this embodiment, the main body 11 is provided with a glue stick channel 12 located at a proper position and penetrating left and right for the hot melt glue stick 23 to pass through, an upper runner cavity 13 located at a proper position on the right side of the main body 11, and a lower runner cavity 14 located at the lower side of the upper runner cavity 13 and communicated with the upper runner cavity 13; a sliding plate cavity 15 which is positioned at the lower side of the lower runner cavity 14 and is communicated with the lower runner cavity 14, and a trigger groove 19 which is positioned in the lower cavity wall at the left part of the Su-Bao sliding plate cavity 15, is provided with an upper opening and a lower opening and is communicated with the sliding plate cavity 15 and is communicated with the outside; a slide block cavity 17 located above the left side portion of the slide plate cavity 15 and communicating with the slide plate cavity 15, and having an upper side portion opened leftward; an extrusion hole 22 is formed in the heating head 21, and the right side part of the extrusion hole 22 is aligned with the left opening of the glue stick channel 12.
In this embodiment, the double wheel assembly 63 in the rotating wheel mechanism 61, the double wheel assembly 63 is arranged in the upper rotating wheel cavity 13 and the lower rotating wheel cavity 14, and includes an upper rotating shaft 27 fixedly connected between the front and rear cavity walls of the upper rotating wheel cavity 13 and a lower rotating shaft 28 fixedly connected between the front and rear cavity walls of the lower rotating wheel cavity 14, the upper rotating shaft 27 is rotatably connected with an upper rotating wheel 30, two pinions 29 are fixedly connected to the front and rear end surfaces of the upper rotating wheel 30, two bull gears 31 respectively engaged with the pinions 29 are also rotatably connected to the corresponding positions of the lower rotating shaft 28, a lower rotating wheel 32 is fixedly connected between the two bull gears 31, the lower rotating wheel 32 is rotatably connected to the lower rotating shaft 28, the front end surface of the bull gear 31 on the front side and the rear end surface of the bull gear 31 on the rear side are respectively fixedly connected with a one-way transmission wheel 33, the one-way transmission wheel 33 is also in rotational connection with the lower rotating shaft 28, wherein circular grooves which accommodate the hot melt adhesive rods 23 and have certain friction on the surfaces are respectively arranged on the upper rotating wheel 30 and the lower rotating wheel 32, and the ratio of the number of teeth of the small gear 29 to the radius of the upper rotating wheel 30 is the same as the ratio between the number of teeth of the large gear 31 and the radius of the lower rotating wheel 32, so that when the large gear 31 transmits the small gear 29, the linear velocities of the small gear 29 and the large gear 31 are the same, and the linear velocities of the upper rotating wheel 30 and the lower rotating wheel 32 are also the same; both sides all set up two around double round subassembly 63 pinion 29 with gear wheel 31 intermeshing has guaranteed the even of atress, makes its transmission more stable, and the required precision under the prerequisite of guaranteeing the function reduces, can effectual reduction manufacturing difficulty and manufacturing cost, when the operation go up runner 30 with the rotatory linear velocity of runner 32 is the same down, makes hot melt adhesive stick 23 quilt go up runner 30 with atress when runner 32 drives down is even, can not produce the friction and do not wear and tear hot melt adhesive stick 23 has reduced the resistance of function, also guarantees the stability of transmission simultaneously.
In this embodiment, the ratchet wheel assembly 64 in the rotating wheel mechanism 61, the ratchet wheel assembly 64 includes the inner ratchet wheel 39 fixedly connected to a proper position on the lower rotating shaft 28, a forward opening ratchet wheel cavity 34 is provided in the front cavity wall of the unidirectional transmission wheel 33, the inner ratchet wheel 39 extends into the ratchet wheel cavity 34, a unidirectional block cavity 35 with an opening toward the center of a circle is provided on the cavity wall of the ratchet wheel cavity 34, a unidirectional block fixing shaft 36 is rotatably connected between the front cavity wall and the rear cavity wall of the unidirectional block cavity 35, a unidirectional block 38 capable of being matched with the inner ratchet wheel 39 is rotatably connected on the unidirectional block fixing shaft 36, and a unidirectional block spring piece 37 is fixedly connected between the unidirectional block 38 and the corresponding cavity wall of the unidirectional block cavity 35.
In this embodiment, the linkage assembly 65 in the trigger mechanism 58, the linkage assembly 65 includes a sliding block 45 slidably connected in the sliding block cavity 17, the left side of the sliding block 45 extends out from an opening on the left side of the sliding block cavity 17, the right side of the sliding block 45 is a structure extending downward and extends into the trigger groove 19, a positioning rod 46 is further fixedly connected to a proper position on the right side cavity wall of the sliding block cavity 17, the left end of the positioning rod 46 extends out through the sliding block 45, the positioning rod 46 is slidably connected with the sliding block 45 to play a role in stabilizing the sliding of the sliding block 45, and a return spring 57 is fixedly connected between the right end face of the sliding block 45 and the right side cavity wall of the sliding block cavity 17; in a normal state, the return spring 57 naturally relaxes, and the slide block 45 is located at the left end.
In this embodiment, the sliding trigger assembly 66 in the trigger mechanism 58, the sliding trigger assembly 66 is disposed in the sliding plate cavity 15, the sliding trigger assembly 66 includes a sliding plate 40 slidably connected in the sliding plate cavity 15, the left side portion of the sliding plate 40 is an integral plate, the right side portion of the sliding block 45 is a front and a back two identical strips, and a one-way transmission rack 41 capable of cooperating with the one-way transmission wheel 33 is disposed at a suitable position on the upper end of the right side portion of the sliding plate 40, a hinge cavity 43 with an upward opening is disposed in the upper end face of the left side suitable position of the sliding plate 40, a hinge shaft 44 is rotatably connected between the front and back cavity walls of the hinge cavity 43, the hinge shaft 44 and the part of the sliding block 45 extending into the sliding plate cavity 15 form a rotary connection, a trigger 42 is fixedly connected to the lower end face of the right end of the sliding plate 40, and the trigger 42 extends to the outside through the trigger slot, an extrusion head cavity 16 with a downward opening is arranged in the upper cavity wall of the proper position of the sliding plate cavity 15, an extrusion head 55 is connected in the extrusion head cavity 16 in a sliding manner, an extrusion spring 56 is fixedly connected between the upper end of the extrusion head 55 and the upper cavity wall of the extrusion head cavity 16, and the lower end of the extrusion head 55 is in contact with the upper end surface of the sliding plate 40; the pressing spring 56 naturally relaxes under normal conditions, the pressing head 55 presses the sliding plate 40 to make the right end of the sliding plate 40 droop, so that the sliding plate 40 does not contact with the one-way transmission wheel 33, when a finger contacts the trigger 42 and pulls down the trigger 42, the sliding plate 40 swings on the hinge shaft 44, the right side portion of the sliding plate 40 is lifted up to contact with the one-way transmission wheel 33, the finger drives the trigger 42 to move rightwards, the sliding plate 40 also drives the sliding block 45 to move rightwards, the return spring 57 is compressed, the one-way transmission rack 41 contacts and cooperates with the one-way transmission wheel 33 after the sliding plate 40 slides for a stroke, at this time, the one-way transmission rack 41 drives the one-way transmission wheel 33 to rotate, and the one-way transmission wheel 33 drives the bull gear 31 and the lower rotating wheel 32 to rotate, meanwhile, the large gear 31 drives the upper rotating wheel 30 through the small gear 29, the upper rotating wheel 30 and the lower rotating wheel 32 rotate to convey the hot melt adhesive rod 23 from right to left, so that the hot melt adhesive rod 23 with the left end heated by the heating head 21 is extruded from the extruding hole 22, when the fingers are loosened, the return spring 57 relaxes to push the sliding block 45 to left, the sliding block 45 drives the sliding plate 40 to move to left, at this time, the ratchet wheel assembly 64 limits the reverse rotation of the one-way transmission wheel 33, the one-way transmission wheel 33 does not rotate reversely, meanwhile, the extruding spring 56 relaxes again to extrude the sliding plate 40 through the extruding head 55 to enable the right end of the sliding plate 40 to droop, and the one-way transmission rack 41 and the one-way transmission wheel 33 are not in contact again to reduce the resistance of the sliding plate 40 to reset.
In this embodiment, the cover mechanism 60 is disposed on the sliding block 45 of the linkage assembly 65, the cover mechanism 60 includes a fixed link seat 47 fixedly connected to the left end of the positioning rod 46, a fixed link groove 48 is disposed in the fixed link seat 47, a fixed link shaft 49 is rotatably connected between the front and rear cavity walls of the fixed link groove 48, a movable link groove 53 is disposed at a suitable position of the left end of the extended portion of the sliding block 45, a movable link shaft 54 is rotatably connected between the front and rear cavity walls of the movable link groove 53, a long link 50 is rotatably connected to the movable link shaft 54, a U-shaped groove 51 is disposed in the long link 50, the U-shaped groove 51 and the sliding plate 40 form a sliding connection, a cover 52 is fixedly connected to a suitable position of the upper left end of the long link 50, and the cover 52 can just cover the left end of the heating head 21; when a finger contacts the trigger 42 and presses the trigger 42 downwards, when the sliding plate 40 moves rightwards and the one-way transmission rack 41 is not in contact fit with the one-way transmission wheel 33, the sliding block 45 moves rightwards, the right end of the long connecting rod 50 is driven to move rightwards, the U-shaped groove 51 slides with the fixed connecting rod shaft 49, the long connecting rod 50 moves and swings to drive the cover 52 to open, and the left end of the heating head 21 is exposed, so that glue can be discharged normally.
In this embodiment, the check mechanism 62 is disposed in the main body 11, the check mechanism 62 includes a check block cavity 18 disposed in upper and lower cavity walls at a suitable position of the glue rod channel 12, a check block fixing shaft 24 is rotatably connected between front and rear cavity walls of the check block cavity 18, the check block fixing shaft 24 is rotatably connected with a check block 26, a check block spring 25 is fixedly connected between a suitable position of a right end of the check block 26 and a cavity wall corresponding to the check block cavity 18, and a left end of the check block 26 extends into the glue rod channel 12 to contact with the hot melt glue rod 23 and limits the right movement of the hot melt glue rod 23.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (8)
1. The utility model provides a take convenient continuous material hot melt adhesive rifle of automatic lid that blocks, includes the main part, its characterized in that: the main body structurally comprises a handle which is positioned at the lower side of the main body and extends to be stored, and is convenient for hand grasping operation, and a heating head for heating and extruding a hot melt adhesive rod is fixedly connected at a proper position at the left side of the main body; the main body is internally provided with a trigger mechanism which is responsible for being operated by fingers and specially delivering corresponding power, a glue supply mechanism which is responsible for feeding the hot melt glue stick into the main body and a cover mechanism which blocks the heating head when not in work; the glue supply mechanism keeps a rotating wheel mechanism which rotates to drive the hot melt glue stick and a non-return mechanism which prevents the hot melt glue stick from reversely sliding out; the non-return mechanism comprises a double-wheel component which is contacted with the hot melt adhesive rod and is mutually meshed and a ratchet wheel component which is responsible for ensuring the unidirectional rotation of the double-wheel component; the trigger mechanism comprises a sliding trigger assembly and a linkage assembly connected to the sliding trigger assembly; under normal conditions, the heating head is covered to prevent the molten hot melt adhesive stick from dripping out, and when a finger presses the sliding trigger assembly, the linkage assembly is firstly driven by the sliding trigger assembly and enables the cover mechanism to be opened through a series of connecting rod actions so as to work; thereby a series of gears and wheel in the double round subassembly are guaranteed through the cooperation of radius and tooth number proportion unanimous linear velocity and are stable will the hot melt adhesive stick is sent into in the main part, just the double round subassembly with ratchet assembly's cooperation is down guaranteed unidirectional rotation, thereby has guaranteed the smooth supply of hot melt adhesive stick.
2. A convenient refill hot melt adhesive gun as claimed in claim 1, wherein: the main body is internally provided with a glue stick channel which is positioned at a proper position and penetrates through the left side and the right side for the hot melt glue stick to pass through, an upper rotary wheel cavity which is positioned at a proper position on the right side of the main body, and a lower rotary wheel cavity which is positioned on the lower side of the upper rotary wheel cavity and is communicated with the upper rotary wheel cavity; the lower runner cavity is communicated with the lower runner cavity, and the trigger groove is positioned in the lower cavity wall of the left part of the Su-Bay sliding plate cavity, is provided with an upper opening and a lower opening and is communicated with the sliding plate cavity and the outside; the sliding block cavity is positioned above the left part of the sliding plate cavity, is communicated with the sliding plate cavity and is provided with a left opening at the upper part; an extrusion hole is formed in the heating head, and the right part of the extrusion hole is aligned with the left opening of the glue stick channel.
3. A convenient refill hot melt adhesive gun as claimed in claim 1, wherein: the double-wheel assembly in the rotating wheel mechanism is arranged in the upper rotating wheel cavity and the lower rotating wheel cavity and comprises an upper rotating shaft fixedly connected between the front cavity wall and the rear cavity wall of the upper rotating wheel cavity and a lower rotating shaft fixedly connected between the front cavity wall and the rear cavity wall of the lower rotating wheel cavity, the upper rotating shaft is rotatably connected with an upper rotating wheel, two pinions are fixedly connected on the front side end surface and the rear side end surface of the upper rotating wheel, two large gears respectively meshed with the pinions are also rotatably connected on the corresponding positions of the lower rotating shaft, the lower rotating wheel is fixedly connected between the two large gears and is rotatably connected with the lower rotating shaft, the front end surface of the large gear on the front side and the rear end surface of the large gear on the rear side are respectively fixedly connected with a one-way driving wheel, and the one-way driving wheel is also rotatably connected, the upper rotating wheel and the lower rotating wheel are respectively provided with a circular groove for accommodating the hot melt adhesive rod, the surface of the circular groove is provided with a certain friction force, the ratio of the number of teeth of the small gear to the radius of the upper rotating wheel is the same as the ratio of the number of teeth of the large gear to the radius of the lower rotating wheel, and therefore when the large gear drives the small gear, the linear speed of the small gear is the same as that of the large gear, and the linear speed of the upper rotating wheel is also the same as that of the lower rotating wheel.
4. A convenient refill hot melt adhesive gun as claimed in claim 1, wherein: the ratchet wheel component in the rotating wheel mechanism comprises an inner ratchet wheel fixedly connected to a proper position on the lower rotating shaft, a ratchet wheel cavity with a forward opening is arranged in the front cavity wall of the unidirectional driving wheel, the inner ratchet wheel extends into the ratchet wheel cavity, a unidirectional block cavity with an opening towards the circle center is arranged on the cavity wall of the ratchet wheel cavity, a unidirectional block fixing shaft is rotationally connected between the front cavity wall and the rear cavity wall of the unidirectional block cavity, a unidirectional block capable of being matched with the inner ratchet wheel is rotationally connected on the unidirectional block fixing shaft, and a unidirectional block spring piece is fixedly connected between the unidirectional block and the corresponding cavity wall of the unidirectional block cavity.
5. A convenient refill hot melt adhesive gun as claimed in claim 1, wherein: the trigger mechanism comprises a trigger mechanism, a linkage assembly and a reset spring, wherein the trigger mechanism is arranged in a shell, the trigger mechanism is arranged in a shell cavity, the trigger mechanism is arranged in the shell cavity, the trigger mechanism is.
6. A convenient refill hot melt adhesive gun as claimed in claim 1, wherein: the sliding trigger component in the trigger mechanism is arranged in the sliding plate cavity and comprises a sliding plate which is connected in the sliding plate cavity in a sliding manner, the left side part of the sliding plate is of an integrated plate shape, the right side part of the sliding plate is of a front strip shape and a rear strip shape which are identical, a one-way transmission rack which can be matched with the one-way transmission wheel is arranged at a proper position at the upper end of the right side part of the sliding plate, a hinged cavity with an upward opening is arranged in the upper end face at the proper position at the left side of the sliding plate, a hinged shaft is rotatably connected between the front cavity wall and the rear cavity wall of the hinged cavity, the hinged shaft and the part of the sliding block extending into the sliding plate cavity form a rotary connection, a trigger is fixedly connected to the lower end face at the right end of the sliding plate, and the trigger, an extrusion head cavity with a downward opening is arranged in the upper cavity wall at a proper position of the sliding plate cavity, an extrusion head is connected in the extrusion head cavity in a sliding mode, an extrusion spring is fixedly connected between the upper end of the extrusion head and the upper cavity wall of the extrusion head cavity, and the lower end of the extrusion head is in contact with the upper end face of the sliding plate.
7. A convenient refill hot melt adhesive gun as claimed in claim 1, wherein: the cover mechanism is arranged on the sliding block of the linkage assembly, the cover mechanism comprises a fixed connecting rod seat fixedly connected to the left end of the positioning rod, a fixed connecting rod groove is formed in the fixed connecting rod seat, a fixed connecting rod shaft is rotatably connected between the front cavity wall and the rear cavity wall of the fixed connecting rod groove, a movable connecting rod groove is formed in the proper position of the left end of the extending part of the sliding block, a movable connecting rod shaft is rotatably connected between the front cavity wall and the rear cavity wall of the movable connecting rod groove, a long connecting rod is rotatably connected to the movable connecting rod shaft, a U-shaped groove is formed in the long connecting rod, the U-shaped groove is slidably connected with the sliding plate, a cover is fixedly connected to the proper position of the upper left end of the long connecting rod, and the.
8. A convenient refill hot melt adhesive gun as claimed in claim 1, wherein: set up in the main part end contrary mechanism, end contrary mechanism is including setting up end contrary piece chamber in the chamber wall about the excellent suitable position of glue, rotate between the chamber wall around end contrary piece chamber and be connected with end contrary piece fixed axle, end contrary piece fixed axle is last to rotate to be connected with end contrary piece just end contrary piece right-hand member suitable position all with correspond fixedly connected with end contrary piece spring leaf between the chamber wall in end contrary piece chamber, the left end of end contrary piece all stretches into in the excellent passageway of glue with the hot melt adhesive stick contacts and restricts the right removal of hot melt adhesive stick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315679.3A CN112934627A (en) | 2021-03-24 | 2021-03-24 | Convenient continuous material hot melt adhesive gun with automatic blocking cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110315679.3A CN112934627A (en) | 2021-03-24 | 2021-03-24 | Convenient continuous material hot melt adhesive gun with automatic blocking cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112934627A true CN112934627A (en) | 2021-06-11 |
Family
ID=76227710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110315679.3A Withdrawn CN112934627A (en) | 2021-03-24 | 2021-03-24 | Convenient continuous material hot melt adhesive gun with automatic blocking cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112934627A (en) |
-
2021
- 2021-03-24 CN CN202110315679.3A patent/CN112934627A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20210611 |