CN115256654B

CN115256654B - Perforating device for construction

Info

Publication number: CN115256654B
Application number: CN202211178246.9A
Authority: CN
Inventors: 周敏; 邓冰桂; 范兰妹
Original assignee: Fangyuan Construction Group Co ltd
Current assignee: Fangyuan Construction Group Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2022-12-16
Anticipated expiration: 2042-09-27
Also published as: CN115256654A

Abstract

The application relates to the technical field of processing stones or similar stone materials, and provides a punching device for building construction, which comprises a punching mechanism, a dust cover, a plurality of elastic supporting bars and a moving mechanism, wherein the elastic supporting bars are arranged on the dust cover; the punching mechanism is provided with a handle and a drill bit; the dust cover is provided with a collecting tank for collecting dust, a movable hole is formed in the bottom of the collecting tank in a penetrating mode, and a drill bit penetrates through the movable hole; two ends of the elastic supporting strip are respectively connected to the punching mechanism and the dust cover; the moving mechanism comprises a driving component and a starting component; the driving assembly is used for forcing the elastic supporting bars to elastically deform; the starting assembly is arranged at the position of the handle and is used for starting and stopping the driving assembly; when the starting assembly closes the driving assembly, the elastic supporting strip restores the state before elastic deformation. Based on this, can realize that both hands grip the effect that can also remove the dust cover when punching the mechanism, improve the arm and need remove the dust cover repeatedly and bare-heartedly increase intensity of labour's problem to compromise the dustproof effect of the operation in-process that punches.

Description

Perforating device for construction

Technical Field

The application relates to the technical field of processing stone or similar stone material, especially relate to a perforating device for construction.

Background

In the ceiling construction, it is required to perform a boring work on a ceiling constructed of stone or stone-like materials, such as a marble ceiling, a concrete structure ceiling, etc. The suspended ceiling construction steps mainly include firstly performing line snapping and fixing on the surface of the suspended ceiling, then erecting a frame body for ascending, using a drill bit of the punching device to perform punching operation on a specified point, and then gradually installing the structures such as the hanging rod on the ceiling built by stones or similar stone materials.

When the drill bit of the drilling device is used for drilling a ceiling built by stones or stone-like materials, dust is easy to fall from the ceiling of the stones or stone-like materials and is inhaled by mouths and noses of constructors to endanger health. Therefore, the elastic dust cover is arranged at the position of the drill bit of the punching device for dust collection, and the risk that dust is scattered to the surrounding polluted environment is reduced. Before the drilling operation, the dust cover needs to be moved by hand firstly, so that the drill bit is exposed out of the dust cover, the drilling position of the drill bit can be determined, then the dust cover is loosened, the drill bit is covered in the dust cover, the drilling operation can be carried out, and the problem that the labor intensity is increased by repeatedly moving the dust cover by an arm exists.

Disclosure of Invention

Need remove the dust cover repeatedly and on foot increase intensity of labour's problem in order to improve the arm to compromise the dustproof effect among the operation process that punches, this application provides a perforating device for construction.

The application provides a perforating device for construction adopts following technical scheme:

a perforating device for building construction comprises a perforating mechanism, a dust cover, a plurality of elastic supporting strips and a moving mechanism; wherein the punch mechanism has a grip and a drill bit; the dust cover is provided with a collecting tank for collecting dust, a movable hole is formed in the dust cover at the bottom of the collecting tank in a penetrating mode, and the drill bit penetrates through the movable hole; the elastic support bars are arranged along the circumferential direction of the dust cover, and two ends of each elastic support bar are respectively connected to the punching mechanism and the dust cover; a deformation gap is reserved between the dust cover and the punching mechanism; the moving mechanism comprises a driving component and a starting component; the driving assembly is used for forcing the elastic supporting strip to be elastically deformed; the starting assembly is arranged at the position of the handle and is used for starting and stopping the driving assembly; when the starting assembly closes the driving assembly, the elastic supporting strip restores the state before elastic deformation.

Through adopting above-mentioned technical scheme, before carrying out the drilling operation process to the ceiling, both hands hold the mechanism of punching, and then through the starting assembly who is located handle position department, start drive assembly, drive assembly forces elastic support strip elastic deformation, makes the tip of drill bit expose outside the dust cover, confirms the position of driling. Then through the start assembly again, close drive assembly, the elastic support strip resumes the state before the elastic deformation, alright carry out the drilling operation, along with the drill bit lasts to deepening in the ceiling, elastic support strip elastic deformation forces the dust cover to support in the ceiling to at the drilling operation in-process, the dust that the drill bit bored can continuously be collected in the dust cover. From this, the application provides a perforating device for construction, compare in the way that needs the arm to remove the dust cover repeatedly could confirm the drill bit and bore the position under present, through drive assembly and start-up subassembly, realize that both hands can also remove the effect of dust cover when gripping the mechanism of punching, improve continuous high altitude construction in-process and remove the dust cover and lead to the problem of one-hand support mechanism's quality of punching, improve the arm and need remove the dust cover repeatedly and just increase intensity of labour's problem, and compromise the dustproof effect of the operation in-process of punching.

Optionally, the driving assembly includes a plurality of pulling ropes and a rotating member, the pulling ropes are arranged along the circumferential direction of the dust cover, one end of each pulling rope is connected to the dust cover, and the other end of each pulling rope is connected to the rotating member; the rotating part is connected to the punching mechanism, and the starting assembly is connected to the rotating part; when the starting assembly starts the rotating piece, the rotating piece winds the pull rope.

Through adopting above-mentioned technical scheme, when the start-up subassembly starts to rotate the piece, rotate a rotation and rolling stay cord, along with the rolling of stay cord, the dust cover reduces with the deformation clearance of mechanism of punching, and the elastic support bar deformation exposes the drill bit in the dust cover, alright observe the position of boring directly perceivedly of drill bit. When the rotation piece is closed to the start-up subassembly, rotate the rotation and make the stay cord of rolling relax, elasticity through the elastic support strip restores power tractive stay cord, alright make the stay cord resume to the state before being rolled, so, through stay cord and rotation piece, realize changing the effect of elastic support strip elastic deformation.

Optionally, a movable groove is formed in the surface of the elastic support bar facing the drill bit, and two ends of the movable groove respectively penetrate through two ends of the elastic support bar, which are far away from each other; the plurality of pull ropes correspond to the plurality of elastic supporting strips; the elastic support bar is provided with two elastic blocking pieces, and the two elastic blocking pieces are respectively positioned on the opposite inner walls of the movable groove; an access gap is reserved between the two elastic blocking pieces, and the distance between the access gaps is smaller than the diameter of the pull rope; and a space for accommodating the pull rope is reserved between the elastic blocking piece and the bottom of the movable groove.

Through adopting above-mentioned technical scheme, on the one hand, because the activity groove sets up in the surface of elastic support strip towards the drill bit, when rotating a piece rolling stay cord, the stay cord is in the state of stretching out and drawing back, and the elastic support bar becomes crooked, and the stay cord that stretches out and draws back blocks crooked deformation's elastic support strip contact drill bit, and at drilling operation in-process, the risk of the rotatory drill bit of elastic support strip contact of reduction crooked deformation improves elastic support strip's life. On the other hand, because the distance between the inlet and outlet gaps between the two elastic blocking pieces is smaller than the diameter of the pull rope, the pull rope can be limited in the movable groove by the elastic blocking pieces in the elastic deformation process of the elastic supporting bar along with the fact that the drill bit continuously goes deep into a ceiling, the risk that the loosened pull rope contacts with the rotating drill bit is reduced, and the service life of the pull rope is prolonged.

Optionally, the rotating part includes a rotating disc rotatably connected to the punching mechanism, a gear ring coaxially disposed on the circumferential side of the rotating disc, a driving motor disposed on the punching mechanism, and a gear coaxially disposed on the rotating shaft of the driving motor; the punching mechanism is provided with a fixed disc, and one end of the elastic supporting strip, which is far away from the dust cover, is connected to the fixed disc; the fixed disc, the drill bit and the rotating disc are coaxially arranged, and a rolling gap is reserved between the fixed disc and the rotating disc; a rope hole is formed in the surface of the fixed disc in a penetrating mode, and the rope hole is used for the pull rope to penetrate through; one end of the pull rope, which is far away from the dust cover, is connected to the rotating disc; the gear is meshed with the gear ring; the starting assembly comprises a multi-gear switch electrically connected to the driving motor.

Through adopting above-mentioned technical scheme, stir many gears switch to appointed gear, driving motor from initial position corotation to appointed operating position, through the intermeshing of gear and ring gear, realize the rotation of rolling disc to the stay cord passes through the rope hole of fixed disk, reduces the risk of many stay cords intertwine of rolling disc when the rolling stay cord, so, realizes elastic support strip elastic deformation's effect. Stir many gear switch to appointed gear once more, driving motor reversal returns initial position and stops, elastic restoring force and the stay cord that relaxs through the elastic support strip, alright make the stay cord resume to the state before being rolled, so, through driving motor and rolling disc, be aided with intermeshing's gear and ring gear, realize the effect of many stay cords of single driving motor rolling, when reducing manufacturing cost, the later maintenance of being convenient for rotates the piece.

Optionally, the punching mechanism is detachably connected with an isolation cover, and the gear and the rotating disc are both located in the isolation cover; the isolation cover is provided with a power module for providing power for the driving motor.

Through adopting above-mentioned technical scheme, on the one hand, the introduction of cage reduces the risk that pivoted gear and rolling disc exposed in external environment, reduces the potential safety hazard, and on the other hand, the cage is connected with dismantling of the mechanism of punching, and the power module on the collocation cage independently is the driving motor power supply, is convenient for to current mechanism's of punching transformation, for example electric hand drill, electric hammer etc. reduce and reform transform the cost.

Optionally, the driving assembly includes a plurality of pulling ropes and a plurality of limiting rings; the plurality of pulling ropes are arranged at intervals along the circumferential direction of the dust cover; the plurality of pulling ropes correspond to the plurality of limiting rings; the limiting ring is arranged on the punching mechanism and is coaxial with the drill bit; a ring cavity is formed in the limiting ring; an inlet and an outlet are formed on the peripheral side of the limiting ring; the inlet and the outlet are communicated with the annular cavity, and the inlet, the annular cavity and the outlet are provided for the pulling rope to penetrate through; one end of the pulling rope is connected to the dust cover, and the other end of the pulling rope passes through the annular cavity from the inlet and penetrates out of the outlet; the actuating assembly comprises a rotating drum rotatably connected to the handle; the end of the pulling rope which penetrates out of the outlet is connected to the rotary drum.

Through adopting above-mentioned technical scheme, when holding the handle, use two fingers to rotate the rotary drum, rotary drum pivoted in-process, the rotary drum forces the stay cord to twine on the handle, elastic support bar elastic deformation, through spacing ring and rotary drum, the effect of forcing elastic support bar elastic deformation when realizing holding the handle, can be the slip efficiency of the relative drill bit of artificial control dust cover, and need not extra electrical apparatus control, be convenient for follow-up reform transform current punching mechanism, for example electric hand drill, electric hammer etc..

Optionally, the starting assembly further comprises a plurality of force application blocks arranged on the periphery of the rotating drum; the force application blocks are arranged at intervals along the circumferential direction of the rotary drum.

By adopting the technical scheme, the introduction of the force application block not only provides a force application position, but also realizes the anti-skidding effect in the process of rotating the rotary drum.

Optionally, the force application block is connected to the drum in a sliding manner along the axial direction of the drum; a plurality of blocking blocks are arranged on the periphery of the handle; the blocking blocks are arranged at intervals along the circumferential direction of the grip; the side wall of the stop block is used for abutting against the side wall of the force application block.

Through adopting the above technical scheme, at the rotation rotary drum in-process, utilize single finger to support in application of force piece position department, rotate the rotary drum, when exceeding the home range of finger, slip application of force piece, make the lateral wall of application of force piece support in the lateral wall of stopping the piece, improve winding tractive rope and compel the pivoted problem of messenger's rotary drum under the elastic restoring force of elastic support strip, then move the finger to next application of force piece on, repeat the operation of foretell rotation rotary drum again, so, utilize the sliding of application of force piece and rotary drum to be connected, collocation blocks the piece, can realize that single finger rotates the effect of rotary drum, make manually operation's moving mechanism adapt to different crowds, for example, finger damage, the crowd of finger congenital disease etc..

Optionally, the rotating drum is provided with a magnetic block, and when the magnetic block magnetically attracts the force application block, the magnetic block limits the force application block to slide relative to the rotating drum.

Through adopting above-mentioned technical scheme, the introduction of magnetic path reduces the gliding risk of application of force piece by oneself of mechanism operation in-process that punches, improves the stability of being connected of application of force piece and rotary drum.

Optionally, the ring cavity of the limiting ring is filled with a lubricating paste.

By adopting the technical scheme, when the traction rope enters and exits from the inlet and the outlet of the limit ring, the lubricating grease reduces the sliding friction force of the traction rope and the limit ring, prolongs the service life of the traction rope and the limit ring, is convenient for fingers to rotate the rotary drum, and reduces the labor intensity of the fingers to rotate the rotary drum.

In summary, the present application includes at least one of the following beneficial technical effects:

1. compared with the prior method that the drill bit drilling position can be determined only by repeatedly moving the dust cover by an arm, the effect that the dust cover can be moved when the punching mechanism is held by two hands is realized, the problem that the quality of the punching mechanism is supported by one hand due to the fact that the dust cover is moved in the continuous high-altitude operation process is solved, the problem that the labor intensity is increased due to the fact that the dust cover needs to be repeatedly moved by the arm is solved, and the dust prevention effect in the punching operation process is considered;

2. the effect of rolling a plurality of pull ropes by a single driving motor is realized by the driving motor and the rotating disc and the gears and the gear rings which are meshed with each other, so that the manufacturing cost is reduced, and the rotating part is convenient to maintain at the later stage;

3. through spacing ring and rotary drum, realize forcing the effect of elastic support strip elastic deformation when gripping the handle, can the slip efficiency of the relative drill bit of manual control dust cover to need not extra electrical apparatus control, be convenient for follow-up reform transform current mechanism of punching, for example electric hand drill, electric hammer etc..

Drawings

Fig. 1 is a schematic view of the entire structure of embodiment 1.

Fig. 2 is a schematic structural view for showing the dust cap of embodiment 1.

FIG. 3 is a schematic view for showing a state where the separation cover of embodiment 1 is separated from the hole punching mechanism.

Fig. 4 is a schematic structural view for showing the elastic supporting bar of embodiment 1.

Fig. 5 is an enlarged view of fig. 3 at a portion a.

Fig. 6 is a schematic view for showing a state where the moving mechanism of embodiment 1 forces the elastic supporting strip to be elastically deformed.

FIG. 7 is a schematic view of the entire structure of embodiment 2.

Fig. 8 is a schematic structural view of a stop collar used in embodiment 2.

Fig. 9 is an enlarged view of fig. 8 at a portion B.

Description of the reference numerals: 1. a hole punching mechanism; 11. a grip; 12. a drill bit; 13. fixing the disc; 131. a rope hole; 2. a dust cover; 21. collecting tank; 22. a movable hole; 3. an elastic support bar; 31. a movable groove; 32. an elastic baffle plate; 4. a moving mechanism; 41. pulling a rope; 42. a rotating member; 421. rotating the disc; 422. a ring gear; 423. a drive motor; 424. a gear; 43. a multi-gear switch; 44. a pulling rope; 45. a limiting ring; 451. an annular cavity; 452. an inlet; 453. an outlet; 454. avoiding holes; 46. a rotating drum; 47. a force application block; 471. a limiting part; 5. an isolation cover; 6. a power supply module; 7. a magnetic block; 8. a stop block.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

At present, the dust when the punching device punches flies upward, and the elastic dust cover can be installed at the drill bit position of the punching device, and before the punching operation, the dust cover needs to be moved by hand firstly, so that the drill bit exposes out of the dust cover, the drilling position of the drill bit can be determined, then the dust cover is loosened, the drill bit cover is arranged in the dust cover, the drilling operation can be carried out, and the problem that the arm needs to move the dust cover repeatedly and increases the labor intensity is solved.

The embodiment of the application discloses perforating device for construction aims at improving the arm and need remove the dust cover repeatedly and on foot increase intensity of labour's problem to compromise the dustproof effect of the operation in-process that punches.

Example 1

Referring to fig. 1, a perforating device for building construction includes a perforating mechanism 1, a dust cover 2, a plurality of elastic support bars 3 and a moving mechanism 4, wherein the perforating mechanism 1 has a handle 11 and a drill bit 12, and the perforating mechanism 1 may be an electric hand drill or an electric hammer, etc., which is not limited in this application. The dust cover 2 is installed at the position of the drill bit 12 to collect dust generated during the drilling process of the drill bit 12. The elastic support bars 3 are arranged along the circumferential direction of the dust cover 2, and the side walls of the two ends of the elastic support bars 3 are respectively fixed on the dust cover 2 and the punching mechanism 1 so as to support the dust cover 2 at the position of the drill bit 12. The moving mechanism 4 is used for driving the elastic supporting bars 3 to elastically deform so as to enable the dust cover 2 to move along the axial direction of the drill bit 12, and the drill bit 12 in the dust cover 2 is exposed so as to view the drilling position of the drill bit 12.

Referring to fig. 2, specifically, the dust cover 2 has a collecting groove 21 for collecting dust, and a movable hole 22 is formed through the dust cover 2 at the bottom of the collecting groove 21, and the drill bit 12 is inserted through the movable hole 22. It should be noted that a deformation gap is left between the dust cover 2 and the punching mechanism 1, and it is understood that when the moving mechanism 4 drives the elastic supporting bar 3 to elastically deform, the axial moving distance of the dust cover 2 along the drill bit 12 is in the deformation gap.

With continued reference to fig. 3, the moving mechanism 4 includes a driving component for forcing the elastic supporting bar 3 to elastically deform and an actuating component installed at the position of the grip 11 for opening and closing the driving component. When the actuating assembly closes the actuating assembly, the elastic support bar 3 restores the state before elastic deformation.

Referring to fig. 4 and 5, the driving assembly includes a plurality of pulling ropes 41 and a rotating member 42, the pulling ropes 41 correspond to the plurality of elastic supporting bars 3, one end of the pulling rope 41 is connected to the dust cover 2, and the other end is connected to the rotating member 42. It should be noted that the surface of the elastic support bar 3 facing the drill bit 12 is provided with a movable groove 31, two ends of the movable groove 31 penetrate through two ends of the elastic support bar 3 which are far away from each other, the elastic support bar 3 is integrally formed with two elastic blocking pieces 32, the two elastic blocking pieces 32 are respectively located on the inner walls of the movable groove 31, an access gap is left between the two elastic blocking pieces 32, the distance between the access gap is smaller than the diameter of the pull rope 41, and a space for accommodating the pull rope 41 is left between the elastic blocking pieces 32 and the bottom of the movable groove 31. The significance of designing the two elastic baffles 32 is that: because the distance between the access gaps between the two elastic blocking pieces 32 is smaller than the diameter of the pull rope 41, in the process that the drill bit 12 continuously goes deep into the ceiling and the elastic support bar 3 is elastically deformed, the pull rope 41 can be limited in the movable groove 31 by the elastic blocking pieces 32, the risk that the loosened pull rope 41 contacts the rotating drill bit 12 is reduced, the service life of the pull rope 41 is prolonged, and after the elastic support bar 3 recovers elastic deformation, the pull rope 41 is clamped into the movable groove 31 through the access gaps again.

The rotating part 42 comprises a rotating disc 421 rotatably connected to the punching mechanism 1, a gear ring 422 coaxially arranged on the peripheral side of the rotating disc 421, a driving motor 423 arranged on the punching mechanism 1 and a gear 424 coaxially arranged on the rotating shaft of the driving motor 423, a fixed disc 13 is fixed on the punching mechanism 1, and one end side wall, away from the dust cover 2, of the elastic supporting bar 3 is connected to the fixed disc 13. The fixed disk 13, the drill bit 12 and the rotating disk 421 are coaxially arranged, a winding gap is reserved between the fixed disk 13 and the rotating disk 421, rope holes 131 are formed in the surface of the fixed disk 13 in a penetrating mode, the number of the rope holes 131 corresponds to the number of the pull ropes 41, and the pull ropes 41 pass through the rope holes 131.

One end of the pulling rope 41, which is far away from the dust cover 2, is connected to the rotating disc 421, the gear 424 is meshed with the gear ring 422, the punching mechanism 1 is detachably connected with the isolation cover 5, and the gear 424 and the rotating disc 421 are both positioned in the isolation cover 5. The shield case 5 is provided with a power supply module 6 that supplies power to the drive motor 423. The detachable connection between the isolation cover 5 and the punching mechanism 1 can be a bolt connection, a clamping connection and the like, and the application is not limited to this. So, the design of cage 5 not only reduces pivoted gear 424 and rolling disc 421 and exposes in external environment's risk, reduces the potential safety hazard, and still collocation power module 6 independently supplies power for driving motor 423, is convenient for reduce the transformation cost to the transformation of current mechanism 1 of punching.

It should be noted that the gear 424 and the rotating shaft of the driving motor 423 may be fixedly connected or detachably connected. In one embodiment, the gear 424 is detachably connected to the rotating shaft of the driving motor 423, and the diameter of the rotating disc 421 changes accordingly, so that after the driving motor 423 is damaged, the gear 424 is separated from the rotating shaft of the driving motor 423, and the rotating disc is rotated by fingers at the position of the grip 11, thereby achieving the effect of manual-automatic integration of the moving mechanism 4.

Referring also to fig. 6, the starter assembly includes a multi-position switch 43 electrically connected to a drive motor 423. When the operation of punching to the ceiling, stir many gears switch 43 to appointed gear, driving motor 423 from initial position corotation to appointed operating position, through the intermeshing of gear 424 and ring gear 422, realize the rotation of rolling disc 421 to stay cord 41 passes through the rope hole 131 of fixed disk 13, reduces the risk that many stay cords 41 intertwine when rolling stay cord 41 of rolling disc 421, so, realizes the effect of elastic support strip 3 elastic deformation. The multi-gear switch 43 is shifted to a designated gear again, the driving motor 423 rotates reversely to the initial position and stops, and the pulling rope 41 can be restored to the state before being wound through the elastic restoring force of the elastic supporting strip 3 and the loosened pulling rope 41.

In other embodiments, the rotating member 42 may be replaced by a plurality of motors corresponding to the plurality of pull ropes 41, and the pull ropes 41 are fixed to the rotating shaft of the motors.

In other embodiments, the driving assembly can be replaced by an electric push rod, and the output end of the electric push rod is connected with the elastic supporting sheet through flexible structures such as ropes and cloth.

The implementation principle of the embodiment 1 is as follows: before the ceiling is drilled, the punching mechanism 1 is held by two hands, then the driving assembly is started through the starting assembly positioned at the position of the handle 11, the driving assembly forces the elastic supporting bar 3 to elastically deform, so that the end part of the drill bit 12 is exposed out of the dust cover 2, and the drilling position is determined. Then, the driving assembly is closed through the starting assembly, and the elastic supporting strip 3 is restored to the state before elastic deformation, so that the drilling operation can be carried out. Utilize the collocation of elastic support strip 3 and stay cord 41, control elastic support strip 3's elastic deformation to through driving motor 423 and rolling disc 421, assist with intermeshing's gear 424 and ring gear 422, realize the effect of many stay cords 41 of single driving motor 423 rolling, when reducing manufacturing cost, the later maintenance of being convenient for rotates piece 42. Based on this, compared with the method that the drill bit 12 can be determined by repeatedly moving the dust cover 2 by the arm at present, the effect that the dust cover 2 can be moved when the punching mechanism 1 is held by two hands is achieved, the problem that the quality of the punching mechanism 1 is supported by one hand due to the fact that the dust cover 2 is moved in the continuous high-altitude operation process is improved, the problem that the labor intensity is increased due to the fact that the dust cover 2 needs to be repeatedly moved by the arm is improved, and the dust prevention effect in the punching operation process is considered.

Example 2

Referring to fig. 7, the difference between this embodiment and embodiment 1 is that the structures of the driving assembly and the actuating assembly, and the structure of the grip 11 are changed adaptively, and the other structures are the same as those in embodiment 1 and will not be described again.

Referring to fig. 8, the driving assembly includes a plurality of pulling ropes 44 and a plurality of limiting rings 45, the pulling ropes 44 are arranged along the circumferential direction of the dust cover 2 at intervals, the pulling ropes 44 correspond to the elastic support bars 3, and the movable groove 31 is used for accommodating the pulling ropes 44. The pulling ropes 44 correspond to the limiting rings 45, and the limiting rings 45 are fixed on the punching mechanism 1 and are arranged coaxially with the drill bit 12.

The ring chamber 451 has been seted up to the inside of spacing ring 45, and the intussuseption of ring chamber 451 is filled with lubricating grease, and import 452 and export 453 have been seted up to the week side of spacing ring 45, and import 452 and export 453 all communicate in ring chamber 451, and import 452, ring chamber 451 and export 453 all supply the tractive line 44 to wear to establish. The pull cord 44 is secured at one end to the dust cap 2 and at the other end extends from the inlet 452 through the loop 451 and out the outlet 453. It should be noted that the outer diameters of the plurality of limiting rings 45 may be equal or unequal, and if the outer diameters of the limiting rings 45 are equal, an avoiding hole 454 is formed through the surface of the limiting ring 45, and the avoiding hole 454 is used for the pulling rope 44 to pass through.

With continued reference to FIG. 9, the actuation assembly includes a drum 46 rotatably connected to the grip 11 and a plurality of forcing blocks 47 disposed circumferentially around the drum 46, with the end of the pull cord 44 extending out of the exit 453 being connected to the drum 46. The force application blocks 47 are arranged at intervals along the circumferential direction of the drum 46, and the force application blocks 47 are connected to the drum 46 in a sliding manner along the axial direction of the drum 46. The magnetic block 7 is fixed on the rotary drum 46, and when the magnetic block 7 is magnetically attracted to the forcing block 47, the magnetic block 7 restricts the forcing block 47 from sliding relative to the rotary drum 46.

The manner of slidably connecting the urging block 47 and the drum 46 may be a dovetail groove formed integrally with the drum 46 to slidably connect the urging block 47, or a chute formed on the circumferential side of the drum 46. The force application block 47 is integrally formed with a limiting portion 471, and the limiting portion 471 cooperates with a dovetail groove or a chute to limit the force application block 47 to be separated from the rotary drum 46.

The periphery of the grip 11 is provided with a plurality of blocking blocks 8, the blocking blocks 8 are arranged along the circumferential direction of the grip 11 at intervals, and the side wall of each blocking block 8 is abutted to the side wall of the corresponding force application block 47. Thus, in the process of rotating the rotary drum 46, a single finger is abutted to the position of the force application block 47, the rotary drum 46 is rotated, when the moving range of the finger is exceeded, the force application block 47 is slid, the side wall of the force application block 47 is abutted to the side wall of the blocking block 8, the problem that the wound traction rope 44 is forced to rotate the rotary drum 46 under the elastic restoring force of the elastic supporting strip 3 is solved, then the finger is moved to the next force application block 47, and the operation of rotating the rotary drum 46 is repeated, so that the effect of rotating the rotary drum 46 by the single finger can be realized.

The implementation principle of the embodiment 2 is as follows: when holding the handle 11, use one or two fingers to rotate the rotary drum 46, rotary drum 46 pivoted in-process, rotary drum 46 forces the tractive line 44 to twine on

handle

11, 3 elastic deformation of elastic support bar, a plurality of spacing rings 45 comb many tractive lines 44, reduce many tractive lines 44 intertwine's risk, and through spacing ring 45 and rotary drum 46, realize forcing 3 elastic deformation's of elastic support bar effect when holding handle 11, can artificially control the slip efficiency of the relative drill bit 12 of dust cover 2, and need not extra electrical apparatus control, be convenient for follow-up reform transform current mechanism 1 of punching.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a perforating device for construction which characterized in that: comprises a punching mechanism (1), a dust cover (2), a plurality of elastic supporting bars (3) and a moving mechanism (4); wherein the punching mechanism (1) is provided with a grip (11) and a drill bit (12); the dust cover (2) is provided with a collecting groove (21) for collecting dust, a movable hole (22) penetrates through the dust cover (2) and is positioned at the bottom of the collecting groove (21), and the drill bit (12) penetrates through the movable hole (22); the elastic support bars (3) are arranged along the circumferential direction of the dust cover (2), and two ends of each elastic support bar (3) are respectively connected to the punching mechanism (1) and the dust cover (2); a deformation gap is reserved between the dust cover (2) and the punching mechanism (1); the moving mechanism (4) comprises a driving component and a starting component; the driving assembly is used for forcing the elastic supporting strip (3) to be elastically deformed; the starting assembly is arranged at the position of the handle (11), and is used for starting and stopping the driving assembly; when the starting assembly closes the driving assembly, the elastic supporting strip (3) restores the state before elastic deformation;

the driving assembly comprises a plurality of pulling ropes (44) and a plurality of limiting rings (45); the pulling ropes (44) are arranged at intervals along the circumferential direction of the dust cover (2); the drawing ropes (44) correspond to the limiting rings (45); the limiting ring (45) is mounted on the punching mechanism (1) and is arranged coaxially with the drill bit (12); an annular cavity (451) is formed in the limiting ring (45); an inlet (452) and an outlet (453) are formed in the peripheral side of the limiting ring (45); the inlet (452) and the outlet (453) are communicated with the annular cavity (451), and the inlet (452), the annular cavity (451) and the outlet (453) are provided with the pulling rope (44) to penetrate through; one end of the pulling rope (44) is connected to the dust cover (2), and the other end of the pulling rope passes through the annular cavity (451) from the inlet (452) and passes out of the outlet (453); the activation assembly includes a drum (46) rotatably connected to the grip (11); the end of the pulling rope (44) extending out of the outlet (453) is connected to the drum (46).

2. The perforating device for building construction according to claim 1, characterized in that: the starting assembly further comprises a plurality of force application blocks (47) arranged on the peripheral side of the rotary drum (46); the force application blocks (47) are arranged at intervals along the circumferential direction of the rotary drum (46).

3. The perforating device for building construction according to claim 2, characterized in that: the force application block (47) is connected to the rotary drum (46) in a sliding manner along the axial direction of the rotary drum (46); a plurality of blocking blocks (8) are arranged on the periphery of the handle (11); the blocking blocks (8) are arranged at intervals along the circumferential direction of the grip (11); the side wall of the stop block (8) is abutted by the side wall of the force application block (47).

4. The perforating device for building construction as recited in claim 3, characterized in that: the rotating drum (46) is provided with a magnetic block (7), and when the magnetic block (7) is magnetically attracted to the force application block (47), the magnetic block (7) limits the force application block (47) to slide relative to the rotating drum (46).

5. The perforating device for building construction according to claim 1, characterized in that: and a lubricating paste is filled in the ring cavity (451) of the limiting ring (45).