TWI783825B - Glue gun with inner shell seat - Google Patents

Abstract

A gluing gun with an inner housing seat, comprising a housing unit, a push rod unit, a feeding unit, and an operating unit. The housing unit includes an inner housing that is integrally formed. The push rod unit includes a main push rod passing through the inner casing along an axis. The feed unit includes a propulsion piece group located in the inner casing seat and sheathed on the main push rod, and a locking piece set on the main push rod and located at the rear side of the inner casing seat. The operating unit is installed on the inner shell seat, and can be operated to brake the propulsion piece group to drive the main push rod to move forward along the axis, and can also be operated to make the locking member perpendicular to the main push rod, so as to for the main push rod to be pulled backwards. Since the inner casing seat is integrally formed, the overall structural strength is improved to reduce the possibility of damage when dropped.

Description

Glue gun with inner shell seat

The invention relates to a glue gun, in particular to a glue gun with an inner shell seat.

Referring to Fig. 1 and Fig. 2, the glue gun 1 disclosed in the No. I625168 patent of existing a kind of Taiwan patent certificate number, comprises a glue tank seat 11, a glue gun body 12 that is arranged on the glue tank seat 11 rear end, a set A propulsion structure 13 in the glue gun body 12, a handle 14 extending downward from the glue gun body 12, one adjacent to the handle 14 and passing through the lower end of the glue gun body 12 and pivotally arranged on the propulsion structure The trigger 15 of 13, and a push rod 16 that passes through this glue gun body 12 and this glue tank seat 11. The glue gun body 12 has a main shell portion 121, and a cover plate 122 covering one side of the main shell portion 121. The main shell portion 121 has an assembly groove 123 provided for the propulsion structure 13, and a The engaging section 124 extends from the top toward the assembly groove 123 . The propulsion structure 13 has a compression elastic member 131 set on the push rod 16 and bounced against the plastic tank seat 11, and a compression elastic member 131 for the push rod 16 to pass through and pushed by the compression elastic member 131 to abut against the card. The push piece 132 of the abutment section 124, an eccentric cam 133 for the trigger 15 to be pivoted and abutted against the rear side of the push piece 132, and a push rod 16 to pass through The limiting member 134 extends and its bottom end abuts against the eccentric cam 133 , and a set of restoring elastic member 135 is disposed on the push rod 16 and bounces between the engaging section 124 and the top end of the limiting member 134 .

In this existing glue gun 1, due to the complex connection between the components of the propulsion structure 13, it is inconvenient to assemble, and although the propulsion structure 13 is arranged in the assembly groove 123 and is formed by the cover plate 122 covers the main shell portion 121 to provide protection, but when the glue gun 1 falls, the cover plate 122 is easily separated from the main shell portion 121, so that the propulsion structure 13 is exposed, and the elements of the propulsion structure 13 May fall out as a result.

Therefore, the object of the present invention is to provide a glue gun with an inner shell seat which is easy to assemble and has a strong structure.

Therefore, the present invention has a glue gun with an inner casing, comprising a casing unit, a push rod unit, a feeding unit, and an operating unit. The housing unit includes an inner housing base integrally formed and having a body having a front barrier wall, a rear barrier wall spaced apart from the front barrier wall in a front-rear direction, and a The bottom wall connecting the bottom end of the front wall and the bottom end of the rear wall, the front wall, the rear wall and the bottom wall jointly define an accommodating space, and the bottom wall has an opening toward the bottom end and communicates with the accommodating space. The slotting of space. The push rod unit includes a main push rod passing through the front blocking wall and the rear blocking wall along an axis parallel to the front-rear direction. The feeding unit includes a The push piece set on the main push rod, the first elastic member set on the main push rod and bounced against the push piece set, the card set on the main push rod and located at the rear side of the rear wall A stopper, and a second elastic member set on the main push rod and bounced between the rear wall and the stopper. The locking member has a first end at the top, a second end at the bottom, and a center between the first end and the second end and passes through along the axis for the main push rod. Slidably threaded perforations. The second elastic member abuts against the locking member corresponding to the perforation, and the locking member is limited below the perforation, so that the first end maintains a constant tendency to swing backward, so that the locking member The main push rod is tilted relative to the main push rod to limit the backward movement of the main push rod. The operating unit is installed on the housing unit through the slot, and can be operated to push the propulsion piece group to drive the main push rod to move forward along the axis, and can also be operated to push against the second end toward After swinging, the locking member is relatively perpendicular to the main push rod, so that the main push rod can be pulled backward.

The effect of the present invention is that: the operating unit can be installed on the housing unit through the slot, and then the feeding unit and the push rod unit are installed in sequence, which can increase the convenience of assembly, and the inner housing seat It is made in one piece, which improves the overall structural strength to reduce the possibility of damage when dropped.

2: shell unit

21: Inner shell seat

22: shell seat

23: Ontology

231: front wall

232: rear wall

233: bottom wall

234: top wall

235: limit wall

236:Accommodating space

237: Grooving

238: limit slot

24: Extension block

241: Connecting slot

25: outer cover

26: Grip

3:Accommodating seat

4: push rod unit

41: Main putter

42: Auxiliary putter

43: push plate

44: Connector

45: Casing

46: Knob

5: Feed unit

51: Pushing film group

52: Locking parts

521: first end

522: second end

523: perforation

53: The first elastic member

54: Second elastic member

6: Operation unit

61: trigger

62: connecting rod

63: abutment rod

X: Front and rear directions

L: axis

Other features and effects of the present invention will be clearly presented in the implementation manner with reference to the drawings, wherein: Fig. 1 is a partial three-dimensional exploded view of the Taiwan Invention Patent No. I625168 patent case; Fig. 2 is a sectional schematic diagram of the Taiwan Invention Patent No. I625168 patent case; Fig. 3 is a gluing gun with an inner shell seat of the present invention A perspective view of an embodiment; FIG. 4 is a perspective exploded view of the embodiment; FIG. 5 is a perspective view of an inner shell seat of the embodiment; FIG. 6 is a cross-sectional view of the inner shell seat of the embodiment; FIG. 7 is FIG. 8 is a cross-sectional view of the trigger of this embodiment at a pressing position; and FIG. 9 is a cross-sectional view of the trigger of this embodiment at a forward position.

Referring to Fig. 3 and Fig. 4, an embodiment of the gluing gun with an inner shell seat of the present invention is suitable for gluing a glue bottle (not shown in the figure), and the gluing gun with an inner shell seat includes a shell Body unit 2 , a receiving seat 3 , a push rod unit 4 , a feed unit 5 , and an operation unit 6 .

Referring to FIG. 3 to FIG. 6 , the housing unit 2 includes an inner housing base 21 and an outer housing base 22 disposed outside the inner housing base 21 . The inner casing 21 is integrally formed and has a body 23 and an extension block 24 extending from the body 23 toward the bottom. The body 23 has a front blocking wall 231, a rear blocking wall 232 spaced apart from the front blocking wall 231 along a front-rear direction X, and a bottom wall connecting the bottom end of the front blocking wall 231 and the bottom end of the rear blocking wall 232. 233 . A top wall 234 connecting the top of the front blocking wall 231 and the top of the rear blocking wall 232 and spaced from the bottom wall 233 , and a limiting wall 235 extending backward from the rear blocking wall 232 . The front wall 231 , the rear wall 232 , the bottom wall 233 , and the top wall 234 jointly define a receiving space 236 . The bottom wall 233 has a slot 237 opening toward the bottom and communicating with the receiving space 236 . The limiting wall 235 has a limiting groove 238 obliquely penetrating through and communicating with the through groove 237 . The extension block 24 extends from the bottom wall 233 toward the bottom end and has a communication slot 241 opening toward the bottom end and communicating with the through slot 237 . The housing base 22 has a cover 25 disposed on the outside of the body 23 , and a handle 26 extending from the bottom of the cover 25 and sleeved on the outside of the extension block 24 .

The accommodating seat 3 is fixed on the front side of the front blocking wall 231 and is used for accommodating the glue bottle.

The push rod unit 4 includes a main push rod 41 slidably passing through the front blocking wall 231 , the rear blocking wall 232 , the outer cover 25 , and the receiving seat 3 along an axis L parallel to the front-rear direction X. , two auxiliary push rods 42 parallel to the main push rod 41 and located on both sides of the main push rod 41 and the outer cover 25 and slidably pierced through the receiving seat 3 , one connected to the front ends of the auxiliary push rods 42 A push plate 43, a connector 44 connected to the rear ends of the main push rod 41 and the auxiliary push rods 42, a sleeve 45 that is passed through the rear end of the outer cover 25 and passes through for the main push rod 41, and A pull button 46 is located on a side of the connecting member 44 opposite to the main push rod 41 and screwed to the main push rod 41 .

The feeding unit 5 includes a propulsion sheet group 51 located in the accommodation space 236 and sleeved on the main push rod 41, set on the main push rod 41 and extending through the front blocking wall. 231 and bounce against the first elastic member 53 between the push piece group 51 and the receiving seat 3, the locking member 52 set on the main push rod 41 and inserted in the limiting groove 238, and A set of the second elastic member 54 is disposed on the main push rod 41 and bounces between the rear blocking wall 232 and the locking member 52 . The locking member 52 has a first end portion 521 at the top, a second end portion 522 at the bottom end, and a second end portion 522 located between the first end portion 521 and the second end portion 522 and extending along the axis L. And the through hole 523 for the main push rod 41 to slide through. The second elastic member 54 abuts against the locking member 52 corresponding to the through hole 523, and the locking member 52 is blocked by the limiting wall 235 below the through hole 523, so that the first end portion 521 keeps a constant orientation. The trend of swinging backward makes the locking member 52 tilt relative to the main push rod 41 to be in a locked state to limit the main push rod 41 to move backward. In this embodiment, the first elastic member 53 and the second elastic member 54 are respectively a compression spring, or a metal elastic piece, so it is not limited to this embodiment.

4 and 7, the operating unit 6 includes a trigger 61 that passes through the communication slot 241 and is pivotally mounted on the extension block 24, and a trigger 61 that is pivotally connected to the trigger 61 and is located between the communication slot 241 and the through slot 237. There is a connecting rod 62 between them, and an abutment rod 63 pivotally connected to the end of the connecting rod 62 opposite to the trigger 61 and passing through the slot 237 . The end of the abutting rod 63 opposite to the connecting rod 62 is pivotally disposed on the top wall 234 , and the end of the abutting rod 63 opposite to the top wall 234 can be linked to push against the second end 522 . The trigger 61 can be operated to move relative to the handle 26 between an initial position, a pressed position, and a forward position.

Referring to Fig. 7, when the trigger 61 is in the initial position, the abutting rod 63 is opposite One end of the top wall 234 lightly touches the second end 522 of the locking member 52, but does not push against the second end 522, so that the locking member 52 corresponding to the through hole 523 is blocked by the second end 522. The elastic member 54 pushes against, and the locking member 52 is blocked by the limiting wall 235 below the through hole 523, and the first end 521 keeps a tendency to swing backward, so that the locking member 52 is relatively opposite to the main The push rod 41 is tilted, and the main push rod 41 can not slide through the through hole 523 so that the main push rod 41 and the locking member 52 are locked so as to limit the rearward movement of the main push rod 41 .

Referring to FIG. 8 , when the trigger 61 is operated to move from the initial position to the pressing position, the trigger 61 is close to the handle 26 , and the abutment lever 63 is linked to the center of rotation pivoted at the top wall 234 Swing forward and push against the push piece group 51 to compress the first elastic member 53 forward and drive the main push rod 41 to move forward. The trigger 61 returns to the initial position from the pressed position. It is worth noting that, since the main push rod 41 and the locking member 52 are locked, when the main push rod 41 moves forward, the locking member 52 should be linked to move forward. However, because The stopper 52 corresponding to the lower part of the through hole 523 is blocked by the limiting wall 235, so only the first end 521 swings forward, and the stopper 52 compresses the second elastic part forwardly corresponding to the through hole 523. member 54, at this time, the locking member 52 and the main push rod 41 are in a slightly vertical state, so that the main push rod 41 slides forward relative to the through hole 523, and the second elastic member 54 is pushed and compressed to produce elastic restoring force, and push against the locking member 52 corresponding to the through hole 523 , so that the first end 521 swings backward, so that the locking member 52 and the main push rod 41 are locked again. By repeatedly operating the trigger 61 Move between the initial position and the pressing position, so that the main push rod 41 can continuously move forward and link the auxiliary push rods 42 and the push plate 43 to push against the plastic bottle until the connecting piece 44 is locked At the rear end of the bushing 45, the main push rod 41 can no longer be operated to move forward.

Referring to FIG. 9, when the operating unit 6 is operated to move from the initial position to the forward position, the trigger 61 moves away from the handle 26, and the abutting rod 63 is linked to be pivotally mounted on the top. The wall 234 is the center of rotation and swings backward, so that the end of the abutment rod 63 opposite to the top wall 234 pushes the second end 522 of the locking member 52 to swing backward, and the locking member 52 is relatively to the main body. The push rod 41 is in a vertical state, so that the main push rod 41 can slide through the through hole 523, so the connecting piece 44, the main push rod 41, and the auxiliary parts can be driven by pulling the pull button 46 backwards. The push rod 42 and the push plate 43 move backward. When the main push rod 41 is pulled to the required position, the trigger 61 is operated to return to the initial position from the forward position, so that the locking member 52 and The main push rod 41 is in a locked state.

When assembling the glue gun with the inner shell base of the present invention, the trigger 61, the connecting rod 62 and the abutting rod 63 of the operating unit 6 are connected and assembled in sequence, and then the operating unit 6 is passed upwards through the Connect the groove 241 with the through groove 237, and install the end of the connecting rod 62 opposite the abutment rod 63 on the top wall 234, and install the trigger 61 on the extension block 24 to complete the operation unit 6 installation. Next, the receiving seat 3 is installed on the front side of the front blocking wall 231, and the first elastic member 53 and the pushing piece group 51 are arranged. In the accommodating space 236, the second elastic member 54 is arranged on the rear side of the rear wall 232, the locking member 52 is inserted into the limiting groove 238 and the through hole 523 corresponds to the second elastic member 54, and then the main push rod 41 passes through the receiving seat 3, the front blocking wall 231, the first elastic member 53, the pushing piece group 51, the rear blocking wall 232, and the second elastic member 54 in sequence. , the perforation 523 , and the sleeve 45 , and the outer shell seat 22 is covered outside the inner shell seat 21 to complete the installation of the housing unit 2 and the feed unit 5 . Finally, the connecting piece 44 and the pull button 46 are screwed to the rear end of the main push rod 41, and then the auxiliary push rods 42 connected with the push plate 43 are passed through the gap between the receiving seat 3 and the outer cover 25 Both sides, and screwed on the left and right sides of the connecting piece 44, the installation of the push rod unit 4 can be completed.

To sum up, the present invention has a gluing gun with an inner casing, and the inner casing 21 is integrally formed to improve the overall structural strength. When the gluing gun with an inner casing of the present invention accidentally When falling to the ground, if the outer shell base 22 is damaged, the structure of the inner shell base 21 will not be affected, so the possibility of damage during the fall can be greatly reduced. In addition, since the inner shell base 21 is provided with the communication groove 241 and the through groove 237, the operating unit 6 can pass through the communication groove 241 and the through groove 237 from bottom to top to be installed with the inner shell base 21, Installing the feeding unit 5 , the receiving seat 3 , the casing unit 2 and the push rod unit 4 in sequence can increase the convenience of assembly, so the purpose of the present invention can be achieved indeed.

But the above-mentioned ones are only embodiments of the present invention, and should not limit the scope of the present invention. All simple equivalent changes and modifications made according to the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. The scope covered by the invention patent Inside.

2: shell unit

21: Inner shell seat

22: shell seat

23: Ontology

24: Extension block

241: Connecting slot

25: outer cover

26: Grip

3:Accommodating seat

4: push rod unit

41: Main putter

42: Auxiliary putter

43: push plate

44: Connector

45: Casing

46: Knob

5: Feed unit

51: Pushing film group

52: Locking parts

521: first end

522: second end

523: perforation

53: The first elastic member

54: Second elastic member

6: Operation unit

61: Trigger

62: connecting rod

63: abutment rod

X: Front and rear direction

L: axis

Claims (7)

A glue gun with an inner shell seat, comprising: A housing unit comprising an inner housing base integrally formed and having a body having a front barrier wall, a rear barrier wall spaced apart from the front barrier wall in a front-rear direction, and A bottom wall connecting the bottom end of the front wall and the bottom end of the rear wall, the front wall, the rear wall and the bottom wall together define an accommodating space, the bottom wall has a Grooves for accommodation spaces; A push rod unit, including a main push rod passing through the front wall and the rear wall along an axis parallel to the front-rear direction; A feed unit, including a propulsion piece set located in the accommodation space and sheathed on the main push rod, a first elastic member set on the main push rod and bounced against the propulsion piece set, a set of The locking piece on the main push rod and located at the rear side of the rear wall, and the second elastic piece set on the main push rod and bounced between the rear wall and the locking piece, the locking The stopper has a first end located at the top, a second end located at the bottom, and a stopper located between the first end and the second end and penetrating along the axis for the main push rod to slide. The second elastic member is against the locking member corresponding to the perforation, and the locking member is limited below the perforation, so that the first end maintains a constant tendency to swing backward, make the locking member tilt relative to the main push rod to restrict the rearward movement of the main push rod; and An operating unit is installed on the housing unit through the slot, and can be operated to push the propulsion piece group to drive the main push rod to move forward along the axis, and can also be operated to push against the second end toward After swinging, the locking member is relatively perpendicular to the main push rod, so that the main push rod can be pulled backward. The glue gun with the inner shell seat as described in claim 1, wherein the inner shell seat also has an extension block extending from the bottom wall of the body toward the bottom end, and the body also has a connecting wall The top end and the top wall at the top of the rear wall, the extension block has a communication slot that opens toward the bottom end and communicates with the through slot, the operating unit includes a trigger that passes through the communication slot and is pivotally arranged on the extension block, a A connecting rod pivotally connected to the trigger and located between the communication groove and the through groove, and an abutment rod pivotally connected to the end of the connecting rod opposite to the trigger and passing through the through groove, the abutment rod is opposite One end of the connecting rod is pivotally arranged on the top wall, and the end of the abutting rod opposite to the top wall can be pushed against the second end by linkage. The glue gun with an inner shell seat as claimed in claim 1, wherein the body also has a limiting wall extending backward from the rear wall, and the limiting wall has a The limiting groove, the locking member corresponding to the perforation is bounced by the second elastic member, and the locking member is locked by the limiting wall below the perforation, so that the first end remains constantly facing backward swinging trend. The glue gun with an inner housing seat as claimed in claim 2, wherein the housing unit also includes a set of outer shell seats placed outside the inner shell seat, and the outer shell seat has a set of outer covers placed outside the body , and a handle extending from the bottom end of the outer cover and sleeved on the outside of the extension block. The glue gun with an inner shell seat as described in claim 4, wherein the push rod unit also includes a pull button connected to the rear end of the main push rod, two parallel to the main push rod and located between the main push rod and the outer cover Auxiliary push rods on both sides and linked by the main push rod, and a push plate connected to the front ends of the auxiliary push rods. The glue gun with an inner shell seat as described in claim 5, wherein the push rod unit also includes a push rod connected between the rear end of the main push rod and the pull button for connecting the rear ends of the auxiliary push rods respectively Connectors on both sides, and a sleeve that passes through the rear end of the outer cover for the main push rod to pass through. The glue gun with the inner shell seat as described in claim 5 also includes an accommodating device arranged on the front side of the front retaining wall for the main push rod, the auxiliary push rods and the push plate to slide through seat, the first elastic member extends through the front blocking wall and bounces between the accommodating seat and the propulsion piece group.

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