CN110561538A

CN110561538A - Spacing cutting device of hand-held type that construction used

Info

Publication number: CN110561538A
Application number: CN201910864064.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-12
Filing date: 2019-09-12
Publication date: 2019-12-13

Abstract

The invention discloses a handheld limiting cutting device for building construction, which comprises a bottom plate, wherein a cutting structure and a dust removing structure are arranged on the bottom plate, the cutting structure penetrates through the middle part of the bottom plate in a sliding manner, the sliding height is movably regulated and limited through a limiting structure, the dust removing structure comprises a filter cavity and an air pump, the filter cavity is fixed on the bottom plate, one end of the filter cavity is communicated with the air inlet end of the air pump through a pipeline, activated carbon or porous sponge is filled in the filter cavity, the other end of the filter cavity is communicated with a dust guide pipe, and the dust guide pipe is communicated with a dust hood through a rotating seat which is fixed at the lower end of the bottom plate and used for adjusting the dust. The invention rotates the limit screw and enables the end part of the limit screw to be propped against the end part of the limit pin so as to limit the up-and-down movement of the protective cover through the limit pin, thus the adjustment is flexible and the use is convenient; the air pump is started to suck smoke generated by processing, and the angle position of the dust hood can be adjusted through rotation of the balls in the fixing block, so that the dust collection effect is better.

Description

Spacing cutting device of hand-held type that construction used

Technical Field

The invention relates to the field of building construction equipment, in particular to a handheld limiting and cutting device for building construction.

Background

In the building construction process, various plates are often required to be temporarily cut.

In the prior art, both a handheld cutter or an electric saw can realize flexible cutting, but the processing stability is poor, and although the handheld cutter or the electric saw is flexible, the flatness of a cutting surface is generally poor, and subsequent continuous leveling is required. If a mechanism for supporting and fixing the conventional electric saw is added, the flexibility of the processing depth and the movement is influenced, so that the basic flexible property of the handheld device is lost.

Disclosure of Invention

The invention aims to provide a handheld limiting and cutting device for building construction, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a spacing cutting device of hand-held type that construction used, includes the bottom plate, the installation is provided with cutting structure and dust removal structure on the bottom plate, cutting structure slides and runs through the bottom plate middle part, and adjusts the restriction slip height through limit structure activity, dust prevention structure is including fixing filter chamber and the air pump on the bottom plate, the inlet end that pipeline and air pump were passed through to filter chamber one end is linked together, it has active carbon or porous sponge to fill in the filter chamber, filter chamber other end intercommunication is provided with the dust guide pipe, the dust guide pipe is provided with the suction hood through fixing the rotation seat intercommunication that is used for adjusting the dust absorption angle at the bottom plate lower extreme.

Further, the cutting structure includes the safety cover and installs motor and blade in the safety cover, the inside wall at the safety cover is fixed in the motor installation, and the peripheral fixed mounting of output has the blade, safety cover upper end still fixed connection is provided with the handle.

Furthermore, the two sides of the protective cover are symmetrically and fixedly connected with a limiting strip and a sliding strip, the limiting strip and the sliding strip are both in sliding fit with the bottom plate, the opposite side edges of the sliding strip and the bottom plate are embedded with a strip-shaped groove with the lower end penetrating through the sliding strip, the section of the strip-shaped groove is in a T shape, and the strip-shaped groove and the bottom plate are in sliding fit; the limiting strips are of strip structures, and sawtooth-shaped inner grooves are embedded into the opposite side faces of the bottom plate.

Furthermore, the upper end of the bottom plate is fixedly provided with a limiting structure, the limiting structure and the limiting strip are oppositely arranged and are movably matched in a limiting manner.

Further, rotate the seat and inlay the ball in the fixed block including fixed block and the activity that sets up at the bottom plate lower extreme, ball and fixed block are interference fit, and the ball middle part link up and be provided with and link up the chamber, link up the chamber both ends and be linked together with dust guide pipe and suction hood respectively, the suction hood opening is relative with the cutting structure, and the opening inlays and have the metal mesh. After the air pump is started, air flow isolated by the dust hood can be sucked through the filter chamber, the dust guide pipe and the through chamber, large-size impurities are blocked, dust is sucked, the angle position of the dust hood can be adjusted through rotation of the balls in the fixed block, and therefore the dust collection effect is better.

Furthermore, the supports are symmetrically arranged on two sides of the lower end of the bottom plate in a connected mode, the universal wheels are arranged at the lower ends of the supports in a connected mode, the device can be supported through the supports and the universal wheels and can move on a machined part, and therefore the device is convenient to move, cut and adjust the machining position in the handheld process.

Further, limit structure is including fixing the mount pad of bottom plate upper end and installing the drum that sets up on the mount pad, sliding fit is provided with the spacer pin in the drum, spacer pin one end is between the sawtooth of hemisphere and activity stretch into spacing side, and the other end, sliding fit is in the drum, and through spring elastic support in the drum, the drum is kept away from spacer pin one end and is still run through screw-thread fit activity and be provided with stop screw, stop screw length is greater than drum length, and when the protective cover slided like this, spacing and the terminal elastic contact of spacer pin, adjustment process height that like this can be gradual, after reaching the predetermined height, rotates stop screw and makes its tip top at the spacer pin tip to the restriction spacer pin removes, and then reciprocates through the restriction protective cover of spacer pin.

Compared with the prior art, the invention has the beneficial effects that: when the protective cover is used, the handle is held by hand to control the protective cover to slide on the bottom plate through the limiting strip and the sliding strip, so that the machining height is adjusted, when the protective cover slides, the limiting strip is in elastic contact with the tail end of the limiting pin, so that the machining height can be gradually adjusted, after the preset height is reached, the limiting screw is rotated, and the end part of the limiting screw is abutted against the end part of the limiting pin, so that the movement of the limiting pin is limited, and the up-and-down movement of the protective cover is limited through the limiting pin; can mobile device through the handle to the cutting angle and the position of adjustment blade start the air pump simultaneously, can inhale the air current after the suction hood keeps apart through filter chamber, dust guide and link up the chamber, big footpath impurity is blockked, and the dust is inhaled, and through the rotation of ball in the fixed block, can adjust the angular position of suction hood, thereby dust collection effect is better.

Drawings

Fig. 1 is a schematic structural diagram of a handheld limiting and cutting device for building construction.

Fig. 2 is a schematic structural diagram of a sliding strip in a handheld limiting and cutting device for building construction.

Fig. 3 is a schematic structural diagram of a rotary seat in a handheld limiting and cutting device for building construction.

Fig. 4 is a schematic structural diagram of a limiting structure in a handheld limiting and cutting device for building construction.

In the figure: 1-bottom plate, 2-bracket, 3-universal wheel, 4-protective cover, 41-motor, 42-blade, 43-handle, 5-spacing bar, 6-sliding bar, 61-strip-shaped groove, 7-spacing structure, 71-cylinder, 72-mounting seat, 73-spacing pin, 74-spring, 75-spacing screw, 8-rotating seat, 81-fixing block, 82-ball, 83-through cavity, 9-dust hood, 10-dust guide tube, 11-filter cavity, 12-air pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, in the embodiment of the present invention, a handheld limiting and cutting device for building construction includes a bottom plate 1, a cutting structure and a dust removing structure are installed on the bottom plate 1, the cutting structure slidably penetrates through the middle of the bottom plate 1, and the sliding height is movably adjusted and limited by a limiting structure 7, the dust removing structure includes a filter cavity 11 and an air pump 12 fixed on the bottom plate 1, one end of the filter cavity 11 is communicated with an air inlet end of the air pump 12 through a pipeline, the filter cavity 11 is filled with activated carbon or porous sponge, the other end of the filter cavity 11 is communicated with a dust guide pipe 10, and the dust guide pipe 10 is communicated with a dust hood 9 through a rotating seat 8 fixed at the lower end of the bottom plate 1 for adjusting a dust collection angle.

Cutting structure includes safety cover 4 and installs motor 41 and blade 42 in safety cover 4, the inside wall at safety cover 4 is fixed in the installation of motor 41, and the peripheral fixed mounting of output has blade 42, safety cover 4 upper end still fixed connection is provided with handle 43.

The two sides of the protective cover 4 are symmetrically and fixedly connected with a limiting strip 5 and a sliding strip 6, the limiting strip 5 and the sliding strip 6 are in sliding fit with the bottom plate 1, the opposite side edges of the sliding strip 6 and the bottom plate 1 are embedded with a strip-shaped groove 61 with the lower end penetrating through the sliding strip 6, the section of the strip-shaped groove 61 is T-shaped, and the strip-shaped groove 61 and the bottom plate 1 are in sliding fit; the limiting strips 5 are of strip-shaped structures, and sawtooth-shaped inner grooves are embedded in the opposite side faces of the bottom plate 1.

The upper end of the bottom plate 1 is fixedly provided with a limiting structure 7, the limiting structure 7 and the limiting strip 5 are oppositely arranged and are in movable limiting fit.

Rotate seat 8 and inlay ball 82 in fixed block 81 including fixed block 81 and the activity that sets up at bottom plate 1 lower extreme, ball 82 and fixed block 81 are interference fit, and ball 82 middle part link up and be provided with and link up chamber 83, link up chamber 83 both ends and lead dust pipe 10 and suction hood 9 respectively and be linked together, suction hood 9 opening is relative with the cutting structure, and the opening inlays and have the metal mesh. After the air pump 12 is started, the air flow isolated by the dust hood 9 can be sucked through the filter cavity 11, the dust guide pipe 10 and the through cavity 83, the impurities with large size diameter are blocked, the dust is sucked, the angle position of the dust hood 9 can be adjusted through the rotation of the ball 82 in the fixed block 81, and therefore the dust collection effect is better.

The bottom plate 1 lower extreme bilateral symmetry connects and is provided with support 2, the connection of support 2 lower extreme is provided with universal wheel 3, can strutting arrangement and move on the machined part through support 2 and universal wheel 3, is convenient for hand-held in-process removes the cutting and adjusts the processing position.

Example 2

Referring to fig. 1 and 4, in the embodiment of the present invention, based on embodiment 1, the limiting structure 7 includes an installation seat 72 fixed at the upper end of the bottom plate 1 and a cylinder 71 installed on the installation seat 72, a limiting pin 73 is disposed in the cylinder 71 in a sliding fit manner, one end of the limiting pin 73 is hemispherical and movably inserted between the saw teeth on the side surface of the limiting bar 5, the other end of the limiting pin 73 is in a sliding fit with the cylinder 71 and elastically supported in the cylinder 71 through a spring 74, one end of the cylinder 71 away from the limiting pin 73 is further movably disposed through a limiting screw 75 in a threaded fit manner, the length of the limiting screw 75 is greater than that of the cylinder 71, so that when the protective cover 4 slides, the ends of the limiting bar 5 and the limiting pin 73 are in elastic contact, so that the processing height can be gradually adjusted, and after reaching a predetermined height, the stopper screw 75 is rotated to abut the end of the stopper pin 73, so that the stopper pin 73 is restricted from moving, and the stopper pin 73 restricts the up-and-down movement of the shield case 4.

The working principle of the invention is as follows: when the protective cover 4 is used, the handle 43 is held by hand to control the protective cover 4 to slide on the bottom plate 1 through the limiting strip 5 and the sliding strip 6, so that the machining height is adjusted, when the protective cover 4 slides, the limiting strip 5 is in elastic contact with the tail end of the limiting pin 73, so that the machining height can be gradually adjusted, after the preset height is reached, the limiting screw 75 is rotated and the end part of the limiting screw is abutted against the end part of the limiting pin 73, so that the movement of the limiting pin 73 is limited, and the up-and-down movement of the protective cover 4 is limited through the limiting pin 73, so; can remove the device through handle 43 to the cutting angle and the position of adjustment blade 42, start air pump 12 simultaneously, can inhale the air current after the suction hood 9 keeps apart through filter chamber 11, dust guide pipe 10 and through chamber 83, the big footpath impurity is blockked, and the dust is inhaled, and through the rotation of ball 82 in fixed block 81, can adjust the angular position of suction hood 9, thereby dust absorption effect is better.

The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a spacing cutting device of hand-held type that construction used, includes bottom plate (1), the installation is provided with cutting structure and dust removal structure on bottom plate (1), a serial communication port, cutting structure slides and runs through bottom plate (1) middle part, and adjusts the restriction slip height through limit structure (7) activity, dust prevention structure is including fixing filter chamber (11) and air pump (12) on bottom plate (1), the inlet end that pipeline and air pump (12) are passed through to filter chamber (11) one end is mutually linked together, it has active carbon or porous sponge to fill in filter chamber (11), filter chamber (11) other end intercommunication is provided with dust guide pipe (10), dust guide pipe (10) are provided with suction hood (9) through fixing rotation seat (8) the intercommunication that is used for adjusting the dust absorption angle at bottom plate (1) lower extreme.

2. The hand-held limiting cutting device for building construction according to claim 1, wherein the rotating seat (8) comprises a fixing block (81) fixedly arranged at the lower end of the bottom plate (1) and a ball (82) movably embedded in the fixing block (81), the ball (82) and the fixing block (81) are in interference fit, and a through cavity (83) is arranged in the middle of the ball (82) in a penetrating mode.

3. The hand-held limiting and cutting device for building construction as claimed in claim 1, wherein two ends of the through cavity (83) are respectively communicated with the dust guide pipe (10) and the dust hood (9), the opening of the dust hood (9) is opposite to the cutting structure, and a metal mesh is embedded in the opening.

4. The hand-held limiting cutting device for building construction according to claim 1 or 3, characterized in that the cutting structure comprises a protective cover (4), and a motor (41) and a blade (42) which are installed in the protective cover (4), the motor (41) is installed and fixed on the inner side wall of the protective cover (4), the blade (42) is fixedly installed on the periphery of the output end, and a handle (43) is fixedly connected to the upper end of the protective cover (4).

5. The hand-held limiting and cutting device for building construction according to claim 4, characterized in that the two sides of the protective cover (4) are symmetrically and fixedly connected with a limiting strip (5) and a sliding strip (6), the limiting strip (5) and the sliding strip (6) are in sliding fit with the bottom plate (1), the opposite side edges of the sliding strip (6) and the bottom plate (1) are embedded with a strip-shaped groove (61) with the lower end penetrating through the sliding strip (6), the section of the strip-shaped groove (61) is T-shaped, and the strip-shaped groove (61) and the bottom plate (1) are in sliding fit; the limiting strips (5) are of strip structures, and sawtooth-shaped inner grooves are embedded in the opposite side faces of the limiting strips and the bottom plate (1).

6. The hand-held limiting and cutting device for building construction according to claim 1 is characterized in that a limiting structure (7) is fixedly arranged at the upper end of the bottom plate (1), and the limiting structure (7) and the limiting strip (5) are oppositely arranged and movably matched in a limiting way.

7. The hand-held limiting cutting device for building construction according to claim 1, wherein the limiting structure (7) comprises a mounting seat (72) fixed to the upper end of the bottom plate (1) and a cylinder (71) mounted on the mounting seat (72), a limiting pin (73) is arranged in the cylinder (71) in a sliding fit manner, one end of the limiting pin (73) is hemispherical and movably extends into the space between the sawteeth on the side surface of the limiting strip (5), the other end of the limiting pin is in a sliding fit manner in the cylinder (71) and elastically supported in the cylinder (71) through a spring (74), a limiting screw (75) is further arranged in the cylinder (71) in a penetrating manner through a threaded fit manner at one end of the cylinder (71) far away from the limiting pin (73), and the length of the limiting screw (75) is greater than that of the cylinder (71).

8. The hand-held limiting cutting device for building construction according to any one of claims 1 to 7 is characterized in that the two sides of the lower end of the bottom plate (1) are symmetrically provided with the brackets (2), the lower end of each bracket (2) is provided with the universal wheel (3), and the device can be supported and moved on a workpiece through the brackets (2) and the universal wheels (3), so that the cutting device can be conveniently moved and the processing position can be conveniently adjusted in the hand-held process.