CN209891266U

CN209891266U - Inverted grooving machine

Info

Publication number: CN209891266U
Application number: CN201920096024.XU
Authority: CN
Inventors: 何剑
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-21
Filing date: 2019-01-21
Publication date: 2020-01-03
Anticipated expiration: 2029-01-21

Abstract

The utility model discloses a reverse grooving machine, which aims to overcome the problem that the prior art is easy to cause a dirty and poor working environment and comprises a machine body, wherein the rear part of the machine body is provided with a rear handle, the front part of the machine body is provided with a front handle, the machine body is provided with a power output shaft, and a cutting saw blade positioned on the left side of the machine body is fixedly arranged on the power output shaft; be provided with the protection casing that the cover established on the cutting saw bit on the organism, the protection casing is provided with the sign portion that is located the cutting saw bit cutting direction outward, the sign portion is used for the cutting direction of suggestion cutting saw bit, during the use, the cutting saw bit is located the below of organism, the waste material that produces when avoiding cutting, the organism of making dirty and the user of making dirty of water of cooling usefulness, a clean and tidy operational environment has been built, and sign portion can be used to the cutting direction of suggestion cutting saw bit on the indicator board, the skew problem of cutting direction emergence has been avoided.

Description

Inverted grooving machine

Technical Field

The utility model belongs to a grooving tool, in particular to a reverse grooving machine.

Background

The grooving machine can cut uniform grooves on cement ground and asphalt pavement through the wheel disc saw, and the grooves can be used for water discharge pipes, gas pipes, electric wire pipes, cement paste and the like, and can be widely applied to the fields of ground repair, interior decoration and the like. The grooving machine for interior decoration generally comprises a handle, and a user can hold the handle to groove the ground.

The prior Chinese patent application with the application number of '2018107663583' discloses a handheld grooving machine, which comprises a machine body, a cutting saw blade, a front handle and a rear handle, wherein the cutting saw blade is arranged on the right side of the front part of the machine body, the front handle is arranged on the front part of the machine body, the rear handle is arranged on the rear part of the machine body, when the handheld grooving machine is used, two hands respectively hold the front handle and the rear handle to groove the cutting saw blade along a preset route, and dust and heat generated by cutting are generally carried away by water during cutting.

However, the prior art is not perfect, when the wall surface is grooved, the cutting saw blade is positioned above the machine body, water and dust can flow downwards under the action of gravity, so that the machine body and workers are polluted, a dirty and messy poor working environment is caused, and burden is increased for later cleaning.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough and problem that exists of prior art, the utility model provides an avoid increasing the clean and tidy reverse groover of later stage washing burden, operational environment.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a reverse grooving machine comprises a machine body, wherein the rear part of the machine body is provided with a rear handle, the front part of the machine body is provided with a front handle, the machine body is provided with a power output shaft, and a cutting saw blade positioned on the left side of the machine body is fixedly arranged on the power output shaft;

the machine body is provided with a protective cover covering the cutting saw blade, a mark part positioned in the cutting direction of the cutting saw blade is arranged outside the protective cover, and the mark part is used for prompting the cutting direction of the cutting saw blade.

Preferably, the shield is formed as an indicator plate, and the mark is formed on the indicator plate.

Preferably, the protection casing includes fixed cover and movable cover, and fixed cover and movable cover all cover and establish on the slitting saw piece, and fixed cover is fixed to be set up in the left side of organism, and the movable cover slides and sets up the front end at fixed cover, slides the movable cover, and the movable cover is collapsible to fixed cover or is expanded from fixed cover, and the indicator panel forms the front end at the movable cover, and the upper end and the lower extreme of indicator panel all are formed with sign portion.

Preferably, the marking part is a strip-shaped groove or a strip-shaped bulge, and the length direction of the marking part is consistent with the cutting direction of the cutting saw blade.

Preferably, a fluorescent layer is provided on the marker.

Preferably, the outer end of the power output shaft is arranged on the left side of the machine body, and the cutting saw blade is fixedly arranged on the outer end of the power output shaft.

Preferably, the power output shaft is respectively and detachably provided with an inner shaft sleeve and a fastener, and the cutting saw blade is fastened between the inner shaft sleeve and the fastener.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

(1) the utility model discloses in, the last fixed cutting saw bit that is located the organism of being provided with of power output shaft, use this reverse groover to open horizontal groove to the wall when, user's left hand is held on the front handle, user's right hand is held on the back handle, the organism is horizontal to be slotted the wall, the cutting saw bit is located the below of organism, the waste material that produces when avoiding the cutting, the organism is made dirty and the user of making dirty to the water of cooling usefulness, a clean and tidy operational environment has been built, also avoid the normal work of dirty influence reverse groover, the increase burden of clearing up for the later stage has also been avoided.

(2) When using this reverse groover to open horizontal groove to the wall, the organism is horizontal, and the cutting saw bit is located the below of organism, and user's both hands and protection casing can block the cutting saw bit, and this has led to the problem that the user can't judge the cutting direction of cutting saw bit, and sign portion can be used to the cutting direction of suggestion cutting saw bit on the indicator board, and the user accessible is observed the sign portion and is judged the cutting direction of cutting saw bit, has avoided the cutting direction to take place skew problem.

(3) The indicator panel is formed at the front end of the movable cover, and the upper end and the lower end of the indicator panel are both formed with identification parts. When the movable cover is unfolded from the fixed cover, the user can observe the mark part at the upper end of the indicating plate to judge the cutting direction of the cutting saw blade, when the movable cover is folded on the fixed cover, the mark part at the upper end of the indicating plate can be shielded by both hands of the user, the mark part at the lower end of the indicating plate is exposed outwards, and the user can judge the cutting direction of the cutting saw blade through the mark part at the lower end of the indicating plate.

Drawings

FIG. 1 is a schematic perspective view of the movable hood of the present invention in an unfolded state;

fig. 2 is an enlarged schematic structural view of the present invention at "a" in fig. 1;

FIG. 3 is a schematic perspective view of the folding state of the movable cover of the present invention;

fig. 4 is a schematic diagram of the explosion structure of the present invention;

fig. 5 is an exploded view of the protective cover of the present invention;

in the figure: 1-machine body, 2-rear handle, 3-front handle, 4-power output shaft, 5-cutting saw blade,

6-protective cover, 7-inner shaft sleeve, 8-fastening piece, 61-fixed cover, 62-movable cover, 63-hoop,

64-connectors, 621-indicator panel, 622-logo, 623-fluorescent layer, 624-arc hole,

71-splined hole.

Detailed Description

To facilitate understanding of those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 5, a reverse grooving machine is provided, which can be held by a user to groove a wall surface and a ground surface, and is mainly used in the field of interior decoration. The cutting machine comprises a machine body 1, wherein a rear handle 2 is arranged at the rear part of the machine body 1, a front handle 3 is arranged at the front part of the machine body 1, a power output shaft 4 is arranged on the machine body 1, the power output shaft 4 is driven by a motor (not shown in the figure) in the machine body 1, and a cutting saw blade 5 positioned at the left side of the machine body 1 is fixedly arranged on the power output shaft 4.

Use this reverse groover to open horizontal groove to the wall when, user's left hand is held in the front on handle 3, user's right hand is held on back handle 2, organism 1 is horizontal to be slotted the wall, cutting saw bit 5 is located organism 1's below, the waste material that produces when avoiding the cutting, the water of cooling usefulness makes dirty organism 1 and the user of making dirty, a clean and tidy operational environment has been created, also avoid the normal work of foul influence reverse groover, the increase burden for later stage clearance has also been avoided.

Be provided with the protection casing 6 of cover on cutting saw bit 5 on the organism 1, the top at cutting saw bit 5 is established to 6 covers of protection casing, and the mistake of 5 during operation users of cutting saw bit is avoided touching on the one hand to 6 covers, and on the other hand also avoids 5 during operation of cutting saw bit to drive the waste material and splash to the user on one's body. The protective cover 6 is formed with an indicating plate 621, the indicating plate 621 is disposed at the front end of the protective cover 6, the indicating plate 621 is exposed outside, an identification portion 622 located in the cutting direction of the cutting blade 5 is formed on the indicating plate 621, and the identification portion 622 is used for prompting the cutting direction of the cutting blade 5.

Use this reverse groover to open horizontal groove to the wall when, organism 1 is horizontal, cutting saw bit 5 is located organism 1's below, user's both hands and protection casing 6 can block cutting saw bit 5, this has led to the problem that the user can't judge the cutting direction of cutting saw bit 5, and sign portion 622 can be used to the cutting direction of suggestion cutting saw bit 5 on the indicator board 621, the cutting direction of cutting saw bit 5 is judged to user's accessible observation sign portion 622, the problem that the cutting direction takes place skew has been avoided.

The protective cover 6 comprises a fixed cover 61 and a movable cover 62, the fixed cover 61 and the movable cover 62 are both covered on the cutting saw blade 5, specifically, the fixed cover 61 is covered on the upper end of the rear half part of the cutting saw blade 5, and the movable cover 62 can be covered on the upper end of the front half part of the cutting saw blade 5. Fixed cover 61 is fixed to be set up in the left side of organism 1, and fixed cover 61 accessible staple bolt 63 is fixed to be set up in the left side of organism 1, and consequently fixed cover 61 is detachable to the convenience is cleared up fixed cover 61.

The movable cover 62 is slidably disposed at the front end of the fixed cover 61, the movable cover 62 is slid, the movable cover 62 can be folded onto the fixed cover 61 or unfolded from the fixed cover 61, when the internal corner of the wall surface is cut, the movable cover 62 is folded onto the fixed cover 61, the front half part of the cutting saw blade 5 is exposed outside, and therefore the internal corner can be cut and grooved. Seted up arc hole 624 on the movable cover 62, the axle center of arc hole 624 is unanimous with the axle center of power output shaft 4, can dismantle on the fixed cover 61 and be provided with connecting piece 64, connecting piece 64 can be the bolt, connecting piece 64 wears to locate arc hole 624, and can slide in arc hole 624, screw up connecting piece 64, connecting piece 64 can be in the same place fixed cover 61 and the fastening of movable cover 62, unscrew connecting piece 64, connecting piece 64 can slide in arc hole 624, thereby movable cover 62 is collapsible to fixed cover 61 on or from fixed cover 61 expand, movable cover 62 is when sliding, rotate around power output shaft 4, thereby avoid movable cover 62 to interfere cutting saw bit 5.

The indicating plate 621 is formed at the front end of the movable cover 62, the indicating plate 621 can be integrally formed on the movable cover 62, the upper end and the lower end of the indicating plate 621 are both formed with a mark portion 622, when the movable cover 62 is unfolded from the fixed cover 61, a user can observe the mark portion 622 at the upper end of the indicating plate 621 to judge the cutting direction of the cutting saw blade 5, when the movable cover 62 is folded onto the fixed cover 61, the mark portion 622 at the upper end of the indicating plate 621 can be shielded, the mark portion 622 at the lower end of the indicating plate 621 is upwardly exposed, and the user can judge the cutting direction of the cutting saw blade 5 through the mark portion 622 at the lower end of the indicating plate 621.

The marking portion 622 is a strip-shaped groove or a strip-shaped protrusion, and the length direction of the marking portion 622 is consistent with the cutting direction of the cutting saw blade 5. The sign portion 622 on the upper end of the indication board 621 is a strip-shaped groove, and the sign portion 622 on the lower end of the indication board 621 is a strip-shaped protrusion.

The mark portion 622 is provided with a fluorescent layer 623, and the fluorescent layer 623 emits light in a dark environment, so that observation of a user can be facilitated further.

The outer end of the power output shaft 4 is arranged on the left side of the machine body 1, the inner end of the power output shaft 4 is arranged in the machine body 1, a motor in the machine body 1 is connected to the inner end of the power output shaft 4, and the cutting saw blade 5 is fixedly arranged on the outer end of the power output shaft 4.

The power output shaft 4 is respectively and detachably provided with an inner shaft sleeve 7 and a fastener 8, the fastener 8 can be a bolt, and the cutting saw blade 5 is fastened between the inner shaft sleeve 7 and the fastener 8. The sizes of the cutting blades 5 on the existing market are different, and in order to align the cutting blades 5 with the mark portion 622, the inner bushings 7 with different sizes can be replaced to adjust the axial position of the cutting blades 5 on the power output shaft 4, so as to align the cutting blades 5 with the mark portion 622.

The outer end of the power output shaft 4 is provided with a threaded hole, the threaded hole is arranged on the power output shaft 4 along the axial direction of the power output shaft 4, the fastener 8 is connected on the power output shaft 4 through the threaded hole, the outer end part of the power output shaft 4 is a spline shaft, the inner shaft sleeve 7 is provided with a spline hole 71, the spline hole 71 is matched with the outer end of the power output shaft 4, thereby the radial fixing of inner hub 7 is on power output shaft 4, inner hub 7 supports and leans on power output shaft 4 along the axial direction, cutting saw bit 5 supports and leans on inner hub 7 along the axial direction, use the inner hub 7 of different thickness, cutting saw bit 5 can inject the different positions in the axial of power output shaft 4, connect fastener 8 on the screw hole, screw up fastener 8, fastener 8 can compress tightly cutting saw bit 5 on inner hub 7, thereby cutting saw bit 5 axial fixity is on power output shaft 4.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A reverse grooving machine comprises a machine body (1), wherein a rear handle (2) is arranged at the rear part of the machine body (1), and a front handle (3) is arranged at the front part of the machine body (1), and is characterized in that a power output shaft (4) is arranged on the machine body (1), and a cutting saw blade (5) positioned at the left side of the machine body (1) is fixedly arranged on the power output shaft (4);

the cutting machine is characterized in that a protective cover (6) which covers the cutting saw blade (5) is arranged on the machine body (1), a mark part (622) which is positioned in the cutting direction of the cutting saw blade (5) is arranged outside the protective cover, and the mark part (622) is used for prompting the cutting direction of the cutting saw blade (5).

2. A reverse groover according to claim 1, characterized in that the protective cover (6) is shaped as an indicator panel (621), the marking (622) being formed on the indicator panel (621).

3. The inverted groover according to claim 2, wherein the protection cover (6) comprises a fixed cover (61) and a movable cover (62), the fixed cover (61) and the movable cover (62) are both covered on the cutting saw blade (5), the fixed cover (61) is fixedly arranged on the left side of the machine body (1), the movable cover (62) is slidably arranged at the front end of the fixed cover (61), the movable cover (62) is slidably arranged, the movable cover (62) can be folded onto the fixed cover (61) or unfolded from the fixed cover (61), the indication plate (621) is formed at the front end of the movable cover (62), and the upper end and the lower end of the indication plate (621) are both formed with identification parts (622).

4. A reverse slotter according to any one of claims 1 to 3, characterized in that said sign (622) is a strip-shaped groove or a strip-shaped protrusion, the length direction of the sign (622) and the cutting direction of the cutting blade (5) being identical.

5. A reverse slotter according to claim 4, characterized in that said sign (622) is provided with a fluorescent layer (623).

6. The inverted groover according to claim 1, characterized in that the outer end of the power output shaft (4) is arranged at the left side of the machine body (1), and the cutting saw blade (5) is fixedly arranged at the outer end of the power output shaft (4).

7. Inverted slotter according to claim 1 or 6, characterized in that the power take-off shaft (4) is detachably provided with an inner bushing (7) and a fastener (8), respectively, and the cutting blade (5) is fastened between the inner bushing (7) and the fastener (8).