CN109277997B - Electric hammer with throw-out is prevented in drill bit disconnection - Google Patents
Electric hammer with throw-out is prevented in drill bit disconnection Download PDFInfo
- Publication number
- CN109277997B CN109277997B CN201811055477.4A CN201811055477A CN109277997B CN 109277997 B CN109277997 B CN 109277997B CN 201811055477 A CN201811055477 A CN 201811055477A CN 109277997 B CN109277997 B CN 109277997B
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- spring
- electric hammer
- sucking disc
- sucker
- lead screw
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D16/00—Portable percussive machines with superimposed rotation, the rotational movement of the output shaft of a motor being modified to generate axial impacts on the tool bit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/20—Devices for cleaning or cooling tool or work
Abstract
The invention discloses an electric hammer with a function of preventing a drill bit from being thrown out when being disconnected, which structurally comprises the electric hammer, a triangular mounting frame, an auxiliary handle, an adsorption device and a telescopic rod, wherein the adsorption device consists of a pipe body, an air release mechanism, a sucker mechanism, a sealing cover and a plastering mechanism, the negative pressure principle is utilized to stabilize the work of the electric hammer, the dust or the garbage on the wall surface is cleaned through the plastering mechanism, so that the sucker mechanism is more stable in working, the adsorption capacity of the sucker is not influenced by more garbage or dust on the wall surface, air needs to be extracted by utilizing the recovery performance of the material of the pressure ball after deformation, and the surplus air in the sucking disc is pumped out futilely, lets the adsorption efficiency of sucking disc mechanism further improve, avoids appearing the electric hammer and splits suddenly under rotatory operating condition, and inertia whipping force is big, and causes the staff to sprain the wrist when the operation even fall down the condition such as injured and appear.
Description
Technical Field
The invention relates to the field of electric hammers, in particular to an electric hammer with a function of preventing a drill bit from being thrown out when the drill bit is disconnected.
Background
Some structures can not once only be accomplished on the building site, for example, wall body bar planting, waft board bar planting, lines bar planting etc. these all need the secondary to accomplish the engineering, and all need to punch with the electric hammer when the bar planting, the piston motion is utilized to general electric hammer, compressed gas percussion bit, can be in concrete drilling, but because the concrete strength is higher, the drill bit generates heat at high-speed rotation and concrete friction, the easy fracture is thrown away, and because the electric hammer breaks under rotatory operating condition, inertia whipping force is very big, cause the staff to sprain the wrist when the operation easily and fall the condition such as injury and appear even, in order to avoid this kind of condition to appear, urgent need one kind can let the electric hammer prevent at the during operation and throw away, and increase the stability of during operation.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme: the electric hammer with the function of preventing a drill bit from being thrown out when being disconnected structurally comprises an electric hammer, a triangular mounting frame, an auxiliary handle, an adsorption device and a telescopic rod, wherein the triangular mounting frame is mounted on a clamping head and neck at the front end of the electric hammer, the auxiliary handle is arranged below the bottom end of the triangular mounting frame, the triangular mounting frame is in threaded connection with the auxiliary handle, the telescopic rod is fixedly mounted at the front end of the triangular mounting frame, the adsorption device is arranged at the front end of the telescopic rod, and the telescopic rod is in sliding fit with the adsorption device;
adsorption equipment constitute by body, gassing mechanism, sucking disc mechanism, sealed cowling, the mechanism of plastering a dough, body bottom under be connected with the sealed cowling, the inside intermediate position of body on install sucking disc mechanism to sucking disc mechanism bottom locate in the sealed cowling, sucking disc mechanism on the surface be equipped with gassing mechanism, sucking disc mechanism and gassing mechanism sliding fit, the sealed cowling about on all install the mechanism of plastering a dough on both ends.
As a further optimization of the technical scheme, the deflation mechanism comprises a sliding block, a connecting rod, a first spring, a spring support sheet and a sealing pipe sleeve, wherein the sealing pipe sleeve is arranged on the right side of the sliding block, the sliding block and the sealing pipe sleeve are fixedly connected through the connecting rod, the first spring is arranged under the connecting rod, the connecting rod and the first spring are in clearance fit, the spring support sheet is arranged under the first spring, the first spring is connected with the spring support sheet, and the sealing pipe sleeve is in sliding fit with the sucker mechanism.
As a further optimization of the technical scheme, the sucker mechanism comprises a sucker, an air hole, a bronchus and an air inlet hole, the sucker is installed at the bottom end of the bronchus, the air hole is formed in the middle of the surface of the sucker, the bronchus is communicated with the sucker through the air hole, and the air inlet hole is formed in the surface of the bronchus.
As a further optimization of the technical scheme, the bronchus further comprises a pneumatic ball, the pneumatic ball is arranged on the right side surface of the bronchus, and the bronchus is connected with the pneumatic ball through a connecting pipe.
As the further optimization of this technical scheme, the mechanism of wiping one's face by casing, second spring, screw lead screw, scrape leaf, brush, addendum cone and constitute, the inside screw lead screw that is equipped with of casing, screw lead screw and shells inner wall on the thread groove threaded connection, screw lead screw head end on be equipped with the second spring, screw lead screw and the inside top of casing be connected through the second spring, screw lead screw bottom on the installation scrape the leaf, scrape the leaf intermediate position and be equipped with the addendum cone, scrape leaf and addendum cone structure as an organic whole, scrape and install the brush on the leaf bottom surface.
As a further optimization of the technical scheme, the surface of the pipe body is provided with vent holes.
As a further optimization of the technical scheme, the surface of the sliding block is provided with anti-skidding lines, so that the hand skidding is avoided.
As the further optimization of the technical scheme, the air pressure ball is made of rubber, and the rubber has good restoration performance.
Advantageous effects
The invention relates to an electric hammer with a drill bit breaking and throwing-out prevention function, wherein a triangular mounting frame is arranged on a clamping head and a neck on the electric hammer, the electric hammer is pushed forwards to a position to be drilled, a tip cone and a brush on a scraping blade are firstly contacted with a wall surface, so that the tip cone is extruded by the pushing force, the tip cone transmits the pressure to a threaded screw rod, the threaded screw rod is matched with a thread groove in a shell to drive the scraping blade to rotate, the scraping blade cleans dust or garbage on the wall surface through the brush, the suction disc mechanism is prevented from being influenced by adsorption, when the suction disc is contacted with the wall surface, air in the suction disc is pushed out by extrusion, air in an air pressure ball is extruded out by hands, the extruded air enters the suction disc through an air hole by a branch air pipe, the electric hammer is extruded forwards again, the suction disc pushes out the air again, and the air pressure ball is released because of the recovery performance of the structure, make in the atmospheric pressure ball with surplus air suction atmospheric pressure ball in the sucking disc, let the adsorption efficiency of sucking disc mechanism improve once more, avoided the electric hammer at the during operation drill bit snap and appear getting rid of and fly, and the electric hammer is because the triangular supports principle of triangle mounting bracket, so be difficult to appear beating partially when work punches at first, accomplish the back of punching, push away the slider forward, make the slider drive the inlet port that the sealing tube cover breaks away from on the bronchus through the connecting rod, let the air inlet on the bronchus inhale external air, the sucking disc then loosens the adsorption affinity of wall.
Compared with the prior art, the invention has the beneficial effects that: utilize the negative pressure principle, the work of electric hammer is stabilized, dust or rubbish on the wall is cleared up through mechanism of plastering a surface, let sucking disc mechanism more firm at the during operation, can not influence the adsorption efficiency of sucking disc because of wall rubbish or dust are more, the material that utilizes the atmospheric pressure ball is because of warping the back recovery performance and need extract the air, and dry the surplus air in the sucking disc, let sucking disc mechanism's adsorption efficiency further improve, avoid appearing electric hammer sudden fracture under rotatory operating condition, inertia whipping force is big, and cause the staff to sprain the wrist when the operation and fall the circumstances such as injury and appear even.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of an electric hammer with a drill bit disconnected and preventing throw-out according to the present invention.
Fig. 2 is a structural diagram of a static state of the electric hammer adsorption device with the function of preventing the drill bit from being thrown out when the drill bit is disconnected.
Fig. 3 is a structural diagram of the working state of the electric hammer adsorption device with the function of preventing the drill bit from being thrown out when the drill bit is disconnected.
FIG. 4 is an enlarged view of A in FIG. 2 according to the present invention.
In the figure: the device comprises an electric hammer-1, a triangular mounting rack-2, an auxiliary handle-3, an adsorption device-4, a telescopic rod-5, a pipe body-401, a deflation mechanism-402, a sucker mechanism-403, a sealing cover-404, a plastering mechanism-405, a sliding block-4021, a connecting rod-4022, a first spring-4023, a spring support sheet-4024, a sealing pipe sleeve-4025, a sucker-4031, an air hole-4032, a bronchus-4033, an air inlet hole-4034, a pneumatic ball-4033 a, a shell-4051, a second spring-4052, a threaded screw rod-4053, a scraping blade-4054, a brush-4055 and a tip cone-4056.
Detailed Description
In order to make the technical means, the original characteristics, the achieved purposes and the effects of the invention easy to understand, the following description and the accompanying drawings further illustrate the preferred embodiments of the invention.
Examples
Referring to fig. 1-4, the invention provides an electric hammer with a function of preventing a drill bit from being thrown out when the electric hammer is disconnected, which structurally comprises an electric hammer 1, a triangular mounting frame 2, an auxiliary handle 3, an adsorption device 4 and an expansion link 5, wherein the triangular mounting frame 2 is mounted on a clamping head and neck on the front end of the electric hammer 1, the auxiliary handle 3 is arranged below the bottom end of the triangular mounting frame 2, the triangular mounting frame 2 is in threaded connection with the auxiliary handle 3, the expansion link 5 is fixedly mounted on the front end of the triangular mounting frame 2, the adsorption device 4 is arranged on the front end of the expansion link 5, the expansion link 5 is in sliding fit with the adsorption device 4, the adsorption device 4 comprises a pipe body 401, an air release mechanism 402, a suction cup mechanism 403, a sealing cup 404 and a dough wiping mechanism 405, the sealing cup 404 is connected below the bottom end of the pipe body 401, the suction cup mechanism 403 is mounted in the middle position inside the pipe body 401, the bottom end of the sucker mechanism 403 is arranged in the sealing cover 404, the surface of the sucker mechanism 403 is provided with the deflation mechanism 402, the sucker mechanism 403 is in sliding fit with the deflation mechanism 402, and the left end and the right end of the sealing cover 404 are both provided with the plastering mechanism 405;
the telescopic rod 5 is used for assisting the electric hammer 1 not to be influenced by the adsorption device 4 during working, and the electric hammer can move normally.
The deflation mechanism 402 is composed of a sliding block 4021, a connecting rod 4022, a first spring 4023, a spring supporting piece 4024 and a sealing pipe sleeve 4025, the right side of the sliding block 4021 is provided with the sealing pipe sleeve 4025, the sliding block 4021 and the sealing pipe sleeve 4025 are fixedly connected through the connecting rod 4022, the first spring 4023 is arranged below the connecting rod 4022, the connecting rod 4022 and the first spring 4023 are in clearance fit, the spring supporting piece 4024 is arranged below the first spring 4023, the first spring 4023 is connected with the spring supporting piece 4024, and the sealing pipe sleeve 4025 is in sliding fit with the suction disc mechanism 403.
The sucking disc mechanism 403 is composed of a sucking disc 4031, an air hole 4032, a bronchus 4033 and an air inlet hole 4034, the sucking disc 4031 is installed at the bottom end of the bronchus 4033, the air hole 4032 is formed in the middle of the surface of the sucking disc 4031, the bronchus 4033 is communicated with the sucking disc 4031 through the air hole 4032, and the air inlet hole 4034 is formed in the surface of the bronchus 4033.
The bronchus 4033 further comprises a barosphere 4033a, the barosphere 4033a is arranged on the right side surface of the bronchus 4033, and the bronchus 4033 is connected with the barosphere 4033a through a connecting pipe in a gluing manner;
the air pressure ball 4033a is used for pumping the residual air in the suction cup 4031 to enhance the adsorption capacity of the suction cup 4031.
The dough wiping mechanism 405 comprises a housing 4051, a second spring 4052, a threaded lead screw 4053, a scraping blade 4054, a brush 4055 and a tip cone 4056, wherein the threaded lead screw 4053 is arranged inside the housing 4051, the threaded lead screw 4053 is in threaded connection with a threaded groove on the inner wall of the housing 4051, the second spring 4052 is arranged at the head end of the threaded lead screw 4053, the threaded lead screw 4053 is connected with the top end inside the housing 4051 through the second spring 4052, the scraping blade 4054 is mounted at the bottom end of the threaded lead screw 4053, the tip cone 4056 is arranged in the middle of the scraping blade 4054, the scraping blade 4054 and the tip cone 4056 are of an integrated structure, and the brush 4055 is mounted on the bottom surface of the scraping blade 4054;
the nose cone 4056 is configured to reduce drag on the rotation of the blade 4054 by the point of contact between the tip and the wall surface.
The surface of the pipe body 401 is provided with vent holes, the surface of the sliding block 4021 is provided with anti-slip lines to avoid hand slip, and the air pressure ball 4033a is made of rubber materials, so that the resilience performance of the rubber materials is good;
the vent holes are used for being communicated with air inlet holes 4034 on the bronchus 4033, so that outside air can enter the sucking disc 4031 and be loosened from being connected with the wall surface.
The principle of the invention is as follows: the triangular mounting rack 2 is mounted on the clamping head and neck of the electric hammer 1, then the electric hammer 1 is pushed forward to the position to be drilled, and the top cone 4056 and the brush 4055 on the scraping blade 4054 which are firstly contacted with the wall surface are used for leading the top cone 4056 to be extruded by the pushing force, the top cone 4056 transmits the pressure to the threaded lead screw 4053, the threaded lead screw 4053 is matched with the thread groove in the shell 4051 to drive the scraping blade 4054 to rotate, the scraping blade 4054 cleans dust or garbage on the wall surface through the brush 4055, the suction effect of the suction disc mechanism 403 is avoided, when the suction disc 4031 is contacted with the wall surface, the air in the suction disc 4031 is pushed out by extrusion, the air in the air pressure ball 4033a is extruded by hand, the extruded air enters the suction disc 4031 through the air hole 4032 by the bronchus 3, the electric hammer 1 is extruded forward again, the suction disc 4031 is pushed out again, the air is released, and 4033a is released, the pneumatic ball 4033a is made to suck the residual air in the suction cup 4031 into the pneumatic ball 4033a due to the structural recovery performance of the pneumatic ball 4033a, the adsorption capacity of the suction cup mechanism 403 is improved again, the electric hammer 1 is prevented from being thrown away due to sudden breakage of a drill bit during working, and the electric hammer 1 is not prone to deviation during punching at the beginning due to the triangular support principle of the triangular mounting frame 2, after punching is completed, the sliding block 4021 is pushed forwards, the sliding block 4021 drives the sealing pipe sleeve 4025 to be separated from the air inlet 4034 on the bronchial tube 4033 through the connecting rod 4022, the air inlet 4034 on the bronchial tube 4033 sucks the external air, and the suction cup 4031 looses the adsorption capacity of the wall surface.
The problem to be solved by the invention is to stabilize the work of the electric hammer 1 by utilizing a negative pressure principle, to clean dust or garbage on a wall surface by the plastering mechanism 405, so that the sucking disc mechanism 403 is more stable in work, the adsorption capacity of the sucking disc 4031 cannot be influenced by more wall garbage or dust, the residual air in the sucking disc 4031 is pumped out by utilizing the requirement of the material of the air pressure ball 4033a on the recovery performance after deformation, the adsorption capacity of the sucking disc mechanism 403 is further improved, and the situations that the wrist of a worker is sprained or even falls down and injured when the worker operates due to sudden fracture and large inertia throwing force of the electric hammer in a rotating working state are avoided.
While there have been shown and described what are at present considered the fundamental principles of the invention, the essential features and advantages thereof, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but rather, is capable of numerous changes and modifications in various forms without departing from the spirit or essential characteristics thereof, and it is intended that the invention be limited not by the foregoing descriptions, but rather by the appended claims and their equivalents.
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)
1. The utility model provides an electric hammer with throw-out is prevented in drill bit disconnection, its structure includes electric hammer (1), triangle mounting bracket (2), assistant handle (3), adsorption equipment (4), telescopic link (5), electric hammer (1) front end on the clamp neck on install triangle mounting bracket (2), triangle mounting bracket (2) bottom have assistant handle (3), triangle mounting bracket (2) and assistant handle (3) threaded connection, triangle mounting bracket (2) front end on fixed mounting have telescopic link (5), telescopic link (5) front end on be equipped with adsorption equipment (4), telescopic link (5) and adsorption equipment (4) sliding fit, its characterized in that:
the adsorption device (4) is composed of a pipe body (401), a deflation mechanism (402), a sucker mechanism (403), a sealing cover (404) and a plastering mechanism (405), wherein the sealing cover (404) is connected to the lower portion of the bottom end of the pipe body (401), the sucker mechanism (403) is installed in the middle of the interior of the pipe body (401), the bottom end of the sucker mechanism (403) is arranged in the sealing cover (404), the surface of the sucker mechanism (403) is provided with the deflation mechanism (402), the sucker mechanism (403) is in sliding fit with the deflation mechanism (402), and the plastering mechanism (405) is installed at each of the left end and the right end of the sealing cover (404);
the deflation mechanism (402) consists of a sliding block (4021), a connecting rod (4022), a first spring (4023), a spring supporting sheet (4024) and a sealing pipe sleeve (4025), the sealing pipe sleeve (4025) is arranged on the right side of the sliding block (4021), the sliding block (4021) and the sealing pipe sleeve (4025) are fixedly connected through the connecting rod (4022), the first spring (4023) is arranged below the connecting rod (4022), the connecting rod (4022) and the first spring (4023) are in clearance fit, the spring supporting sheet (4024) is arranged below the first spring (4023), the first spring (4023) is connected with the spring supporting sheet (4024), and the sealing pipe sleeve (4025) is in sliding fit with the sucker mechanism (403);
the sucking disc mechanism (403) consists of a sucking disc (4031), an air hole (4032), a bronchus (4033) and an air inlet hole (4034), the sucking disc (4031) is installed at the bottom end of the bronchus (4033), the air hole (4032) is formed in the middle of the surface of the sucking disc (4031), the bronchus (4033) and the sucking disc (4031) are communicated through the air hole (4032), and the air inlet hole (4034) is formed in the surface of the bronchus (4033);
the bronchial tube (4033) further comprises a pneumatic ball (4033a), the pneumatic ball (4033a) is arranged on the right side surface of the bronchial tube (4033), and the bronchial tube (4033) is connected with the pneumatic ball (4033a) through a connecting tube in a gluing mode;
plastering mechanism (405) constitute by casing (4051), second spring (4052), screw lead screw (4053), scrape leaf (4054), brush (4055), tip cone (4056), casing (4051) inside be equipped with screw lead screw (4053), screw lead screw (4053) and casing (4051) on the wall thread groove threaded connection, screw lead screw (4053) head end on be equipped with second spring (4052), inside top of screw lead screw (4053) and casing (4051) be connected through second spring (4052), screw lead screw (4053) bottom on the installation scrape leaf (4054), scrape leaf (4054) intermediate position be equipped with tip cone (4056), scrape leaf (4054) and tip cone (4056) be the integral structure, scrape leaf (4054) the bottom surface on install brush (4055).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811055477.4A CN109277997B (en) | 2018-09-11 | 2018-09-11 | Electric hammer with throw-out is prevented in drill bit disconnection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811055477.4A CN109277997B (en) | 2018-09-11 | 2018-09-11 | Electric hammer with throw-out is prevented in drill bit disconnection |
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| Publication Number | Publication Date |
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| CN109277997A CN109277997A (en) | 2019-01-29 |
| CN109277997B true CN109277997B (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811055477.4A Active CN109277997B (en) | 2018-09-11 | 2018-09-11 | Electric hammer with throw-out is prevented in drill bit disconnection |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112244702B (en) * | 2020-09-24 | 2021-11-30 | 衡阳凌云特种材料有限公司 | Domestic kitchen cleaning device convenient to clear away greasy dirt |
| CN113459216B (en) * | 2021-07-27 | 2023-03-28 | 安徽金煌建设集团有限公司 | Positioning equipment for punching of wooden house beam |
| CN115056362B (en) * | 2022-07-05 | 2022-12-13 | 永康市灵威电器有限公司 | Electric tool accessory and lithium electric tool |
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| CN109277997A (en) | 2019-01-29 |
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Effective date of registration: 20211202 Address after: 226200 Qidong main town Industrial Park, Nantong City, Jiangsu Province Applicant after: QIDONG ZHONGYUAN MACHINERY Co.,Ltd. Address before: 050091 Hebei Institute of engineering and technology, Shijiazhuang City, Hebei Province Applicant before: Chen Sishang |
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