CN113199058A

CN113199058A - Environment-friendly hand-held type rig

Info

Publication number: CN113199058A
Application number: CN202110484877.2A
Authority: CN
Inventors: 李源钧
Original assignee: China Coal Huachen Construction And Installation Engineering Co Ltd
Current assignee: China Coal Huachen Construction And Installation Engineering Co Ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-08-03
Anticipated expiration: 2041-04-30
Also published as: CN113199058B

Abstract

The invention relates to the technical field of handheld drilling machines, in particular to an environment-friendly handheld drilling machine, which comprises a drilling machine body and a wearing frame, wherein a flexible belt structure and an adjusting support structure are arranged on the wearing frame, an adjusting feed structure is arranged on the adjusting support structure, an oval flange plate is arranged on the adjusting feed structure, the drilling machine body is connected with the oval flange plate, a dust isolating structure is arranged on the drilling machine body and comprises an external thread ring and a dust collector, the external thread ring and the dust collector are both arranged on the drilling machine body, the external thread ring is connected with an installation cylinder, the installation cylinder is connected with a wide mouth mask through a movable cylinder, a telescopic spring is fixedly connected between the wide mouth mask and the installation cylinder, the installation cylinder is connected with a curved slope-shaped baffle, a through hole is formed in the curved slope-shaped baffle, the installation cylinder is communicated with the dust collector, the physical consumption of drilling operators is less in the drilling process, particularly in the upward drilling process, drilling operating personnel can be better exert the feeding force, use the feature of environmental protection better, comparatively safe.

Description

Environment-friendly hand-held type rig

Technical Field

The invention relates to the technical field of handheld drilling machines, in particular to an environment-friendly handheld drilling machine.

Background

As is known, holes are often required to be drilled on a working face in the building construction process, and a handheld drilling machine is one of main tools for drilling holes and has the characteristics of high working efficiency, flexible use and the like.

The existing handheld drilling machine comprises a drilling machine body, two hands are symmetrically installed on the drilling machine body, a drill bit clamp is arranged at the output end of the drilling machine body, a drill bit is installed in the drill bit clamp, when the drilling machine is used, a drilling operator switches on a power supply of the drilling machine body, the two hands are respectively held tightly by two hands, the drilling machine body is started, the drilling machine body drives the drill bit to rotate through the drill bit clamp, the position of the drill bit is adjusted by the drilling operator according to the operation surface needing to press the drilling machine body relative to the operation surface, and drilling of holes is achieved.

However, the hand-held type rig among the above-mentioned is in the use, need drilling operating personnel both hands to grip tightly handheld to realize the stability of drilling in-process rig body, it is comparatively hard to use, especially when the position of working face is the bottom surface, the rig body upwards punches the in-process, drilling operating personnel application of force is more difficult, and the dust can also scatter during drilling operation, when causing the influence to drilling operating personnel's operational environment, increase drilling operating personnel's work risk, can injure drilling operating personnel very probably.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the environment-friendly handheld drilling machine, in the drilling process, a drilling operator can share the weight and the vibration of the drilling machine body through shoulders and body auxiliary hands, so that the physical consumption of the drilling operator is less in the drilling operation process, especially in the upward drilling process, the drilling operator can better apply a feeding force, dust generated in the drilling operation process cannot float randomly, the use environment is better, and the operation of the drilling operator is safer.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly handheld drilling machine comprises a drilling machine body, wherein both ends of the drilling machine body are fixedly connected with a handheld part, the environment-friendly handheld drilling machine further comprises a wearing frame, a flexible belt structure and an adjusting support structure are arranged on the wearing frame, the adjusting support structure is provided with an adjusting feed structure, the adjusting feed structure is provided with an elliptical flange, the drilling machine body is fixedly connected with the elliptical flange, a dust separation structure is arranged on the drilling machine body and comprises an external thread ring and a dust collector, the external thread ring and the dust collector are both arranged on the drilling machine body, the external thread ring is in threaded connection with an installation cylinder, a moving cylinder is in sliding fit in the installation cylinder, a wide mouth mask is fixedly connected to the moving cylinder, a telescopic spring is fixedly connected between the wide mouth mask and the installation cylinder, a curved slope baffle is fixedly connected in the installation cylinder, and a through hole is formed in the curved slope baffle, the mounting cylinder is communicated with the dust collector through a communicating bent pipe.

Further, adjust bearing structure and include two armed levers and two backup pads, two the armed lever all with dress the frame and connect, the bottom of two armed levers all is connected with the regulation pole, and the embedded groove has all been seted up to two regulation poles, two all rotate in the embedded groove and be connected with dwang, two equal fixedly connected with stabilizing block and adjustment piece on the dwang, the equal fixed connection of two backup pads is all seted up a plurality ofly in two backup pads and is stabilized a assorted stable groove at the front end of wearing the frame.

Preferably, adjust and feed the structure and include two connection pieces, two the connection piece respectively with two the armed lever rotates to be connected, the bottom fixedly connected with arc board of two connection pieces, has all seted up the feed hole on two connection pieces, two equal sliding connection has a sleeve structure in the feed hole, two fixedly connected with supports the return bend between the sleeve structure, oval ring flange and support return bend fixed connection, equal sliding fit has the operation structure of being connected with the arc board in two sleeve structures.

It should be further noted that the sleeve structure includes a circular ring and an elliptical ring, a connection ring is fixedly connected between the circular ring and the elliptical ring, the connection ring is in sliding fit in the feed hole, and the inner diameter of the circular ring, the inner diameter of the elliptical ring and the inner diameter of the connection ring are all equal.

On the basis of the scheme, the operation structure comprises two transverse rods, the two transverse rods are respectively in sliding fit with the two connecting rings, one ends, close to each other, of the two transverse rods are provided with grooves, the two grooves are internally and rotatably connected with feed rods, the two feed rods are provided with concentric holes, rotating shafts are connected with the concentric holes in a rotating mode, and the semicircular blocks are fixedly connected with the arc plates.

Further on the basis of the aforementioned scheme, the flexible belt structure comprises two waistbands and two vertical belts, wherein the two waistbands and the two vertical belts are connected with the wearing frame, the two vertical belts are respectively connected with the two waistbands, and the two waistbands are connected through buckles.

As a further aspect of the above scheme, the wearing frame is fixedly connected with a rotary pull seat and a support block matched with the arm rod, the arm rod is rotatably connected in the rotary pull seat, the bottom end of the arm rod is fixedly connected with a rotary support, and the adjusting rod is rotatably connected in the rotary support.

As a further scheme of the above scheme, the support bent pipe includes two bent pipes, the two bent pipes are respectively and fixedly connected with the two circular rings, the bottom ends of the two bent pipes are both provided with a through opening, the two bent pipes are fixedly connected through a connection block, and the connection block and the two bent pipes are both fixedly connected with the elliptical flange.

Still further on the basis of aforementioned scheme, through a plurality of bolted connection, two between rig body and the oval ring flange dish equal fixedly connected with action bars on the horizontal pole, two rectangular mouth has all been seted up on the action bars, the intercommunication return bend can be dismantled with the dust catcher and be connected.

On the basis of the scheme, furthermore, a magnetic block is arranged in the stabilizing groove, the stabilizing block is made of a material capable of being magnetically adsorbed, the wide mouth mask is made of a transparent material, and a wear-resistant sealing ring is arranged in the through hole.

(III) advantageous effects

Compared with the prior art, the invention provides an environment-friendly handheld drilling machine which has the following beneficial effects:

1. this environment-friendly hand-held type rig, through the cooperation of adjusting feed structure and wearing the frame, can be with the weight and the vibration homodisperse of rig body to drilling operating personnel's shoulder and upper half body, can be better share the weight and the vibration of rig body for both hands, consequently the operation in-process of punching, drilling operating personnel physical demands is less, and is comparatively practical, and the height of rig body can be adjusted for drilling operating personnel simultaneously, can finely tune the height of rig body according to the operation environment among the operation in-process of drilling, and use the flexibility better.

2. This environment-friendly hand-held type rig through the design of adjusting bearing structure, realizes the rig body and adjusts being connected between the bearing structure, when making the rig body operation of punching, the application of feed force is comparatively light easy, especially upwards punches the in-process, and drilling operating personnel's both arms need not lift too high, alright with better application feed force.

3. This environment-friendly hand-held type rig through the design of dust proof structure, can carry out the separation and collect with the dust that produces among the operation process of punching, and the dust can not fly away at will, uses the feature of environmental protection better, keeps better to drilling operating personnel's operational environment simultaneously, and drilling operating personnel operation is comparatively safe.

Drawings

FIG. 1 is a partially cut-away perspective view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is an enlarged view of a portion of FIG. 1 at B according to the present invention;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic perspective view of the operation structure of the present invention engaged with the operation rod;

FIG. 6 is a schematic perspective view of the elliptical flange and the support elbow of the present invention;

fig. 7 is a schematic perspective view of the sleeve structure of the present invention.

In the figure: 1. a drill body; 2. the device is handheld; 3. a wearing frame; 4. an oval flange plate; 5. an externally threaded ring; 6. a vacuum cleaner; 7. mounting the cylinder; 8. moving the drum; 9. wide mouth mask; 10. a tension spring; 11. a curved surface slope type baffle plate; 12. a communication elbow; 13. an arm lever; 14. a support plate; 15. adjusting a rod; 16. rotating the rod; 17. a stabilizing block; 18. a regulating sheet; 19. connecting sheets; 20. an arc plate; 21. a circular ring; 22. an elliptical ring; 23. a connecting ring; 24. a cross bar; 25. a feed bar; 26. a rotating shaft; 27. a semicircular block; 28. a waistband; 29. a vertical strip; 30. buckling; 31. rotating the pull seat; 32. a support block; 33. rotating the support; 34. bending the pipe; 35. connecting the squares; 36. a bolt; 37. an operating lever; 38. a magnetic block; 39. wear-resistant sealing ring.

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.

Examples

Referring to fig. 1-7, an environment-friendly hand-held drilling machine comprises a drilling machine body 1, wherein both ends of the drilling machine body 1 are fixedly connected with a hand 2, the output end of the drilling machine body 1 is provided with a drill bit clamp, a drill bit is arranged in the drill bit clamp, the drilling machine further comprises a wearing frame 3, a flexible belt structure and an adjusting support structure are arranged on the wearing frame 3, the flexible belt structure comprises two waist belts 28 and two vertical belts 29, the two waist belts 28 and the two vertical belts 29 are connected with the wearing frame 3, the two vertical belts 29 are respectively connected with the two waist belts 28, the two waist belts 28 are connected through a buckle 30, the wearing frame 3 can be stably connected with a drilling operator, the steps in the wearing process are simple, the adjusting support structure comprises two arm rods 13 and two support plates 14, the two arm rods 13 are connected with the wearing frame 3, the wearing frame 3 is fixedly connected with a rotary pull seat 31 and a support block 32 matched with the arm rods 13, the arm rods 13 are rotatably connected in the rotary pull seat 31, so that the arm rods 13 can be connected by the rotary pull seat 31 and rotate relative to the wearing frame 3, the bottom ends of the two arm rods 13 are both connected with the adjusting rods 15, the auxiliary support of the arm rods 13 is convenient, the bottom ends of the arm rods 13 are fixedly connected with the rotary supports 33, the adjusting rods 15 are rotatably connected in the rotary supports 33, the adjusting rods 15 can rotate relative to the arm rods 13, the supporting angle of the adjusting rods 15 can be adjusted, the two adjusting rods 15 are both provided with embedded grooves, the two embedded grooves are both rotatably connected with the rotating rods 16, the two rotating rods 16 are both fixedly connected with the stabilizing blocks 17 and the adjusting pieces 18, so that the angle of the stabilizing blocks 17 in the embedded grooves can be adjusted by the external adjusting pieces 18, the adjusting rods 15 can adjust the angle of the arm rods 13, the height of the drilling machine body 1 can be adjusted, the stabilizing blocks 17 are made of materials capable of being magnetically adsorbed, can be adsorbed by magnetism, make stable piece 17 difficult in stable inslot drop, the equal fixed connection of two backup pads 14 is at the front end of wearing frame 3, all seted up a plurality ofly on two backup pads 14 and stable piece 17 assorted stable groove, be provided with magnetic block 38 in the stable inslot, realize rig body 1 and adjust being connected between the bearing structure, when making rig body 1 punch the operation, it is comparatively easy to feed exerting of power, especially upwards punch the in-process, drilling operating personnel's both arms need not lift too high, alright with better application feed power.

It should be further explained that the adjusting and feeding structure is mounted on the adjusting and supporting structure, the adjusting and feeding structure is mounted with an oval flange 4, so that the drilling machine body 1 can be mounted on the flange, the adjusting and feeding structure comprises two connecting pieces 19, the two connecting pieces 19 are respectively rotatably connected with the two arm rods 13, the bottom ends of the two connecting pieces 19 are fixedly connected with an arc plate 20, so that the two connecting pieces 19 can synchronously move, and simultaneously, the operation structure can be supported, the two connecting pieces 19 are both provided with feeding holes, the two feeding holes are both slidably connected with sleeve structures, a supporting bent pipe is fixedly connected between the two sleeve structures, the oval flange 4 is fixedly connected with the supporting bent pipe, the supporting bent pipe comprises two bent pipes 34, the two bent pipes 34 are respectively fixedly connected with the two circular rings 21, the bottom ends of the two bent pipes 34 are both provided with through openings, the cross rod 24 can pass through, the two bent pipes 34 are fixedly connected through the connecting block 35 to realize the connection of the two bent pipes 34, so that the two bent pipes 34 can move synchronously, the connecting block 35 and the two bent pipes 34 are both fixedly connected with the oval flange plate 4 to facilitate the support and installation of the drilling machine body 1, the drilling machine body 1 is connected with the oval flange plate 4 through a plurality of bolts 36, so that the drilling machine body 1 and the oval flange plate 4 can be installed and disassembled, the replacement of the drilling machine body 1 can be realized, the use is flexible, the two sleeve structures are respectively matched with an operating structure connected with the arc plate 20 in a sliding manner, through the design, the weight and the vibration of the drilling machine body 1 can be uniformly dispersed to the shoulder and the upper half of a drilling operator, the weight and the vibration of the drilling machine body 1 can be better shared by two hands, and therefore in the drilling operation process, the physical demands of drilling operating personnel are less, it is comparatively practical, the height of rig body 1 can be adjusted for drilling operating personnel simultaneously, the height of rig body 1 can be finely tuned according to the operational environment among the drilling operation process, use the flexibility better, the sleeve structure includes circular ring 21 and elliptical ring 22, fixedly connected with go-between 23 between circular ring 21 and the elliptical ring 21, can make the sleeve structure connect in the feed hole, avoid go-between 23 to escape from the feed hole, go-between 23 sliding fit is in the feed hole, the internal diameter of circular ring 21, the internal diameter of elliptical ring 22 and the internal diameter of go-between 23 all equal, make operating structure can pass, can realize the operation of feeding of rig body 1 operation in-process.

It should be further noted that the operation structure includes two cross bars 24, the two cross bars 24 are respectively sliding fitted in the two connecting rings 23, the two cross bars 24 are both fixedly connected with operating rods 37, the two operating rods 37 are both provided with elongated openings, so as to realize driving of the two cross bars 24, and then realize feeding in the drilling operation process of the drilling machine body 1, the mutually close ends of the two cross bars 24 are both provided with grooves, the two grooves are both rotatably connected with feeding rods 25, the two feeding rods 25 are both provided with concentric holes, the concentric holes are rotatably connected with rotating shafts 26, the rotating shafts 26 are fixedly connected with semicircular blocks 27, the semicircular blocks 27 are fixedly connected with the arc plates 20, the drilling machine body 1 can be subjected to position adjustment through driving of the cross bars 24, so as to realize feeding in the drilling operation, the drilling machine body 1 is fixedly connected with the elliptical flange plate 4, the drilling machine body 1 is provided with a dust isolating structure, the dust separation structure comprises an external thread ring 5 and a dust collector 6, the external thread ring 5 and the dust collector 6 are both arranged on the drilling machine body 1, the dust collector 6 can be detached to clean dust, the external thread ring 5 is in threaded connection with an installation cylinder 7, a moving cylinder 8 is in sliding fit in the installation cylinder 7, a wide mouth mask 9 is fixedly connected on the moving cylinder 8 and used for separating and blocking dust generated in the drilling operation of the drilling machine body 1 so as to prevent the dust from flying around, the wide mouth mask 9 is made of transparent materials, so that the operation surface can be observed in the drilling operation of the drilling machine body 1, a telescopic spring 10 is fixedly connected between the wide mouth mask 9 and the installation cylinder 7, the wide mouth mask 9 can be kept attached to the operation surface when a drill bit exits from the operation point in the drilling operation of the drilling machine body 1 and after the drilling operation is finished, a curved slope baffle 11 is fixedly connected in the installation cylinder 7, the guiding of the dust is realized, a through hole is formed in the curved slope baffle 11, be provided with wear-resisting sealing ring 39 in the clearing hole, can play the leakproofness between clearing hole and the rig body 1, reduce the dust and run out from the gap between clearing hole and the rig body 1, installation section of thick bamboo 7 is through intercommunication return bend 12 and 6 intercommunications of dust catcher, intercommunication return bend 12 can be dismantled with dust catcher 6 and be connected, can carry out the separation and collect with the dust that produces among the operation process of punching, the dust can not fly away at will, it is better to use the feature of environmental protection, it is better to drilling operating personnel's operational environment to keep simultaneously, drilling operating personnel operation is comparatively safe.

The drilling machine body 1 and the dust collector 6 are conventional devices which are purchased from the market and are known by technical personnel in the field, models can be selected or customized according to actual requirements, the drilling machine body 1 and the dust collector are only used in the patent, the structure and the function of the drilling machine body are not improved, the setting mode, the installation mode and the electric connection mode are set, the technical personnel in the field can debug and operate according to the requirements of an operation specification, the description of the technical personnel is omitted, the drilling machine body 1 and the dust collector 6 are provided with control switches matched with the drilling machine body 1 and the dust collector, the installation positions of the control switches are selected according to the actual use requirements, and the operation and the control of the operating personnel are convenient.

In summary, the working principle and working process of the environment-friendly handheld drilling machine are that when in use, a drilling operator firstly lifts the wearing frame 3 with both hands, then wears the wearing frame 3 on the chest, the upper part of the wearing frame 3 is bent and can be hung on the shoulder of the drilling operator, after the wearing is finished, the two waistbands 28 are connected through the buckles 30, the wearing of the wearing frame 3 is realized, after the wearing is finished, the support angle of the arm rod 13 is adjusted through adjusting the adjusting rod 15 according to the position of the working face, the stabilizing block 17 is firstly taken out from the stabilizing grooves inserted into the stabilizing grooves on the supporting plate 14 in the adjusting process, then the stabilizing block 17 is inserted into another stabilizing groove in the stabilizing grooves according to the adjusting requirement, the magnetic block 38 in the stabilizing groove generates magnetic attraction to the stabilizing block 17, so that the stabilizing block 17 is not easy to be separated from the stabilizing groove, the adjusting piece 18 can adjust the rotating rod 16 in the support angle adjusting process, then the angle of the stabilizing block 17 in the embedded groove is adjusted, so that the stabilizing block 17 is inserted into the stabilizing groove more smoothly, after the support angle is adjusted, the power supply of the drilling machine body 1 and the dust collector 6 is switched on, a drilling operator respectively holds the two operating rods 37 by two hands, the angle between the operating rods 37 and the arm rod 13 is adjusted, the operating rods 37 drive the connecting sheet 19 and the bent pipe 34 to rotate relative to the arm rod 13 in the rotating process, the bent pipe 34 rotates to realize the rotation of the drilling machine body 1, so that the drilling angle between the drilling machine body 1 and the operation surface of drilling can be adjusted, after the drilling angle is adjusted, the operating rods 37 are held by two hands, the two rotating shafts 26 are pushed by the operating rods 37 to move close to each other, the rotating shafts 26 give an acting force to the semicircular block 27 by the feeding rods 25 in the moving process, the semicircular block 27 gives a reaction force to the feeding rods 25 under the support action of the arc plates 20 and cooperates with the cross rods 24 by the feeding rods 25, promote go-between 23 for connection piece 19 upward movement, go-between 23 drives bent pipe 34 through circular ring 21 and removes for connection piece 19, bent pipe 34 removes and promotes rig body 1 and removes, rig body 1 removes the feeding that realizes drilling operation, then realize drilling and the operation of beating the groove, dust catcher 6 makes the interior negative pressure that forms of wide-mouth cover 9 through intercommunication return bend 12 among the drilling operation process, then make the dust that drilling operation produced in being drawn into dust catcher 6, realize the clearance of dust, dust catcher 6 can pull down the clearance, in order to realize the stable use of this environment-friendly hand-held type rig.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an environment-friendly hand-held type rig, includes rig body (1), the equal fixedly connected with in both ends of rig body (1) is handheld (2), its characterized in that: the dust separation device is characterized by further comprising a wearing frame (3), a flexible belt structure and an adjusting support structure are installed on the wearing frame (3), the adjusting support structure is provided with an adjusting feed structure, the adjusting feed structure is provided with an elliptical flange (4), the drilling machine body (1) is fixedly connected with the elliptical flange (4), the drilling machine body (1) is provided with a dust separation structure, the dust separation structure comprises an external thread ring (5) and a dust collector (6), the external thread ring (5) and the dust collector (6) are both installed on the drilling machine body (1), an installation cylinder (7) is in threaded connection with the external thread ring (5), a movable cylinder (8) is in sliding fit with the installation cylinder (7), a wide mouth cover (9) is fixedly connected with the movable cylinder (8), and a telescopic spring (10) is fixedly connected between the wide mouth cover (9) and the installation cylinder (7), fixedly connected with curved surface slope type baffle (11) in installation section of thick bamboo (7), seted up the clearing hole on curved surface slope type baffle (11), installation section of thick bamboo (7) are through intercommunication return bend (12) and dust catcher (6) intercommunication.

2. The environmentally friendly hand held drill of claim 1, wherein: adjust bearing structure and include two armed lever (13) and two backup pad (14), two armed lever (13) all with dress frame (3) is connected, and the bottom of two armed lever (13) all is connected with adjusts pole (15), and two are adjusted pole (15) and have all seted up the embedded groove, two all rotate in the embedded groove and be connected with dwang (16), two equal fixedly connected with stabilizing block (17) and adjustment piece (18) on dwang (16), the equal fixed connection of two backup pad (14) is at the front end of dressing frame (3), all has seted up a plurality ofly on two backup pad (14) and has stabilized block (17) assorted stable groove.

3. The environmentally friendly hand held drill of claim 2, wherein: adjust and feed the structure and include two connection pieces (19), two connection piece (19) respectively with two armed lever (13) rotate to be connected, the bottom fixedly connected with arc board (20) of two connection pieces (19), all seted up on two connection pieces (19) and fed the hole, two equal sliding connection has a sleeve structure in the feed hole, two fixedly connected with supports the return bend between the sleeve structure, oval ring flange (4) and support return bend fixed connection, equal sliding fit has the operation structure of being connected with arc board (20) in two sleeve structures.

4. The environmentally friendly hand held drill of claim 3, wherein: the sleeve structure comprises a circular ring (21) and an elliptical ring (22), a connecting ring (23) is fixedly connected between the circular ring (21) and the elliptical ring (21), the connecting ring (23) is in sliding fit in the feeding hole, and the inner diameter of the circular ring (21), the inner diameter of the elliptical ring (22) and the inner diameter of the connecting ring (23) are equal.

5. The environmentally friendly hand held drill of claim 4, wherein: the operation structure comprises two cross rods (24), wherein the cross rods (24) are respectively matched with the connecting rings (23) in a sliding mode, one ends, close to each other, of the two cross rods (24) are provided with grooves, the grooves are internally connected with feed rods (25) in a rotating mode, the feed rods (25) are provided with concentric holes, rotating shafts (26) are rotatably connected in the concentric holes, the rotating shafts (26) are fixedly connected with semicircular blocks (27), and the semicircular blocks (27) are fixedly connected with the arc plates (20).

6. The environmentally friendly hand held drill of claim 5, wherein: the flexible belt structure comprises two waistbands (28) and two vertical bands (29), wherein the two waistbands (28) and the two vertical bands (29) are connected with the wearing frame (3), the two vertical bands (29) are respectively connected with the two waistbands (28), and the two waistbands (28) are connected through a buckle (30).

7. The environmentally friendly hand held drill of claim 6, wherein: dress fixedly connected with on frame (3) rotate and draw seat (31) and with armed lever (13) assorted supporting shoe (32), armed lever (13) rotate to be connected rotate and draw in seat (31), the bottom fixedly connected with of armed lever (13) rotates support (33), it connects to adjust pole (15) rotation rotate in rotation support (33).

8. The environmentally friendly hand held drill of claim 7, wherein: the support bent pipe comprises two bent pipes (34), the two bent pipes (34) are fixedly connected with the two circular rings (21) respectively, the bottom ends of the two bent pipes (34) are provided with through openings, the two bent pipes (34) are fixedly connected through a connecting block (35), and the connecting block (35) and the two bent pipes (34) are fixedly connected with the oval flange plate (4).

9. The environmentally friendly hand held drill of claim 8, wherein: be connected, two through a plurality of bolts (36) between rig body (1) and oval ring flange (4) equal fixedly connected with action bars (37), two on horizontal pole (24) rectangular mouth has all been seted up on action bars (37), intercommunication return bend (12) can be dismantled with dust catcher (6) and be connected.

10. The environmentally friendly hand held drill of claim 9, wherein: the stable groove is internally provided with a magnetic block (38), the stable block (17) is made of a material capable of being magnetically adsorbed, the wide mask (9) is made of a transparent material, and the through hole is internally provided with a wear-resistant sealing ring (39).