CN216704959U - Beautiful seam glue gun - Google Patents

Abstract

The utility model discloses a seam beautifying glue gun, which comprises a gun seat for placing a glue bottle, wherein a Y-shaped sliding block is arranged at the rear end of the gun seat, and a roller driving mechanism is arranged at the bottom of the gun seat; the roller driving mechanism comprises a roller and a lead screw, the lead screw is fixed at the bottom of the gun base through a bearing seat, and a lead screw nut is in threaded fit with the lead screw; an extension plate extending downwards to the bottom of the gun seat is arranged on the Y-shaped sliding block, and the tail end of the extension plate is fixedly connected with a screw nut; the roller transmits power to the screw rod through a gear box arranged at the bottom of the gun seat, so that the Y-shaped sliding block moves linearly and pushes the glue bottle to extrude glue solution through a push rod fixed on the Y-shaped sliding block; two sides of the rear end of the gun seat are hinged with first connecting rods, the first connecting rods are hinged with second connecting rods through hinges, torsion springs are arranged at the hinges, and two forks of the Y-shaped sliding block are respectively hinged with the two second connecting rods; the lead screw nut is internally provided with a clamp with saw-shaped teeth, and the clamp is matched with the inner wall of the lead screw nut through a spring and a guide post. The utility model can realize the propelling of glue discharging, and has simple operation and uniform glue discharging.

Description

Beautiful seam glue gun

Technical Field

The utility model relates to a home decoration tool, in particular to a seam beautifying glue gun.

Background

Seam beautifying glue guns on the market are basically of a pressing type, glue liquid is pushed out by pressing a pressing rod, pressing rhythm and pressing amplitude are difficult to control, and glue overflow or glue shortage in brick seams can be caused if glue discharging amount is uneven.

Disclosure of Invention

The purpose of the utility model is as follows: the utility model aims to provide a seam beautifying glue gun which is easy to operate.

The technical scheme is as follows: the seam beautifying glue gun comprises a gun seat for placing a glue bottle, wherein a sliding block is arranged at the rear end of the gun seat, and a roller driving mechanism is arranged at the bottom of the gun seat; the slide block is driven by the roller driving mechanism to push the glue bottle to extrude glue solution through a push rod fixed on the slide block.

The utility model can be used for ejecting glue and has simple operation. The push rod is linearly pushed by the roller driving mechanism, the amount of the glue extruded and the moving distance are in a linear relation no matter whether the glue gun moves fast or slow, the glue can be uniformly discharged, and a good seam beautifying effect is realized.

Further, the roller driving mechanism comprises a roller and a lead screw, the lead screw is fixed at the bottom of the gun base through a bearing seat, and a lead screw nut is in threaded fit with the lead screw; an extension plate extending downwards to the bottom of the gun seat is arranged on the sliding block, and the tail end of the extension plate is fixedly connected with a screw nut; the roller transmits power to the screw rod through a gear box arranged at the bottom of the gun seat.

Further, the extension plate passes through a bearing seat between the slider and the lead screw nut.

Furthermore, the force for pushing the glue bottle is generated by the friction force between the roller and the ground, so that the glue gun needs to be pressed by hand, and the operator is easy to fatigue for a long time. Therefore, the slide block is a Y-shaped slide block, two sides of the rear end of the gun seat are hinged with first connecting rods, the first connecting rods are hinged with second connecting rods through hinges, torsional springs are arranged at the hinges, and two forks of the Y-shaped slide block are hinged with the two second connecting rods respectively. After the Y-shaped sliding block is pulled open, the glue bottle is pushed to glue through the torsion of the torsion spring, and an operator only needs to control the moving distance of the idler wheel to control the feeding amount of the Y-shaped sliding block, so that the use is easier.

Furthermore, when the Y-shaped sliding block is restored to install the glue bottle again, the reverse rolling roller needs to be rolled for a long distance, and the operation is troublesome. Therefore, a clamp with saw-shaped teeth is arranged in the screw nut and is matched with the inner wall of the screw nut through a spring and a guide column. According to the scheme, the lead screw nut can be pulled and pulled in a unidirectional and direct mode, and particularly when the position of the Y-shaped sliding block is recovered, the spring is compressed, and the lead screw nut can directly move on the lead screw in a linear mode. And when the direction is reversed, the spring return clips extend out, the screw rod can only be driven to rotate through the idler wheels, and then the screw rod nut is driven to move along the screw rod. Therefore, on one hand, the Y-shaped sliding block can be quickly reset to be ready for installing a new rubber bottle, and on the other hand, the Y-shaped sliding block is ensured to be controllable in feeding amount.

Furthermore, the gun seat is hinged with a cover which is matched with the gun seat to fix the rubber bottle.

Furthermore, the covering end part is provided with a buckle buckled with the gun seat.

Further, a handle is arranged on the cover.

Has the advantages that: compared with the prior art, the utility model has the following advantages: the glue-discharging device is simple to operate, realizes linear propulsion of the push rod through the roller driving mechanism, can ensure uniform glue discharge, and realizes a good seam beautifying effect.

Drawings

FIGS. 1 and 2 are schematic structural views of the present invention;

FIG. 3 is a schematic structural view of a gearbox;

FIG. 4 is a schematic view of the internal structure of the gearbox;

fig. 5 and 6 are schematic structural views of the lead screw nut.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a seam beautifying glue gun comprises a cover 1, a Y-shaped sliding block 5, a push rod 6 and a gun base 8, wherein the cover 1 is rotatably arranged on the gun base 8 through an L-shaped connecting plate 2, a glue bottle is placed on the gun base 8, the cover 1 rotates downwards to buckle the bottom of the gun base 8 through two buckles at the front end of the cover 1, and the glue bottle is further fixed. The cover 1 is provided with a handle 9 in the form of an arch, which handle 9 is used to grip the glue gun for movement. The both sides of 8 rear ends of rifle seats are articulated to have first connecting rod 3, and 3 tip of first connecting rod are articulated to have second connecting rod 4 through hinge 7, and hinge 7 department is equipped with the torsional spring. Two forks of the Y-shaped sliding block 5 are respectively hinged with the end parts of the two second connecting rods 4. The quantity of push rod 6 is two, and 6 tip of push rod are equipped with the screw thread, fix on Y type slider 5 and towards the rifle seat 8 front end through the nut, and rifle seat 8 bottom is equipped with the gyro wheel actuating mechanism of 5 rectilinear movement of drive Y type slider, and when Y type slider 5 forward movement, push rod 6 promotes the glue bottle of placing on rifle seat 8 and extrudes the glue solution.

Specifically, the roller driving mechanism comprises a roller 10, a gear box 11, a lead screw 12 and a lead screw nut 15, an extension plate extending downwards to the bottom of the gun base 8 is integrally arranged on the Y-shaped sliding block 5, and the lead screw nut 15 is fixed at the tail end of the extension plate. As shown in fig. 5 and 6, two clips 21 are provided in the screw nut 15, one above the other. The clip 21 is provided with saw-shaped teeth, the inner wall of the screw nut 15 is provided with a matched groove, and the clip 21 is matched with the inner wall of the screw nut 15 through a spring 22 and a guide post carried by the clip. A screw 12 matched with a screw nut 15 is arranged at the bottom of the gun base 8, and the screw 12 is fixed on the gun base 8 through a first bearing seat 13 and a second bearing seat 14 which are arranged in a front-back manner. The first bearing seat 13 is provided with a through groove for the extending plate to pass through, and the extending plate of the Y-shaped sliding block 5 passes through the first bearing seat 13.

Referring to fig. 3 and 4, a first gear 16, a second gear 17, a first bevel gear 18, a third gear 19 and a second bevel gear 20 are arranged in the gear box 11, wherein a flat gear is further integrally arranged on the second bevel gear 20, the first bevel gear 18 and the first gear 16 rotate coaxially, the first bevel gear 18 and the second bevel gear 20 are meshed, the second gear 17 is meshed with the flat gears of the third gear 19 and the second bevel gear 20 respectively, and the two rollers 10 and the third gear 19 at the bottom of the gear box 11 rotate coaxially. The screw 12 is provided with a fourth gear which meshes with the first gear 16. In operation, the roller 10 rolls as power input and is sequentially transmitted to the second gear 17, the second bevel gear 20, the first bevel gear 18, the first gear 16 and the fourth gear by the third gear 19, so that the lead screw 12 rotates to drive the lead screw nut 15 and the Y-shaped slider 5 to move.

During the use, at first pull open Y type slider 5 to keeping away from 8 directions of stack, in-process checkpost 21 is because of the unidirectional biography power of saw-tooth removes to screw nut 15 inner wall recess for Y type slider 5 can the direct movement, Y type slider 5 removes the back that targets in place, can not directly remove to 8 directions of stack, the reason lies in that checkpost 21 flank of tooth pressure angle is close the right angle, lead screw 12 can not make checkpost 21 remove to 15 inner wall recesses of screw nut, and only can drive the gear rotation in the gear box 11 by gyro wheel 10, it is rotatory to drive lead screw 12, order about Y type slider 5 and remove to 8 directions of stack. The torsion spring at the hinge 7 has a force for pulling the Y-shaped slider 5 towards the gun base 8 due to the opening of the first connecting rod 3 and the second connecting rod 4, and the pulling force provides extrusion force for the push rod 6 to push the rubber bottle when the roller 10 drives the screw 12 and the Y-shaped slider 5 to move to provide feeding amount.

Claims (7)

1. The utility model provides a beautiful seam glues rifle, is including being used for placing rifle seat (8) of gluing the bottle, its characterized in that: the rear end of the gun seat (8) is provided with a slide block, and the bottom of the gun seat is provided with a roller driving mechanism; the slide block is driven by the roller driving mechanism, and a push rod (6) fixed on the slide block pushes the glue bottle to extrude glue solution; the roller driving mechanism comprises a roller (10) and a lead screw (12), the lead screw (12) is fixed at the bottom of the gun base (8) through a bearing seat, and a lead screw nut (15) is in threaded fit with the lead screw (12); an extension plate extending downwards to the bottom of the gun seat (8) is arranged on the sliding block, and the tail end of the extension plate is fixedly connected with a screw nut (15); the roller (10) transmits power to the screw rod (12) through a gear box (11) arranged at the bottom of the gun seat (8).

2. The caulking gun according to claim 1, wherein: the extension plate passes through a bearing seat between the sliding block and the screw nut (15).

3. The caulking gun according to claim 1, wherein: the slider is Y type slider (5), and rifle seat (8) rear end both sides are articulated to have first connecting rod (3), and first connecting rod (3) are articulated to have second connecting rod (4) through hinge (7), and hinge (7) department is equipped with the torsional spring, and two forks of Y type slider (5) are articulated with two second connecting rods (4) respectively.

4. The caulking gun according to claim 3, wherein: the lead screw nut (15) is internally provided with a clip (21) with saw-shaped teeth, and the clip (21) is matched with the inner wall of the lead screw nut (15) through a spring (22) and a guide column.

5. The caulking gun according to claim 1, wherein: the gun seat (8) is hinged with a cover (1), and the cover (1) is matched with the gun seat (8) to fix the rubber bottle.

6. The caulking gun according to claim 5, wherein: the end part of the cover (1) is provided with a buckle buckled with the gun seat (8).

7. The caulking gun according to claim 5, wherein: the cover (1) is provided with a handle (9).

Images