CN114571413A - Self-cooling electric hammer - Google Patents
Self-cooling electric hammer Download PDFInfo
- Publication number
- CN114571413A CN114571413A CN202210237231.9A CN202210237231A CN114571413A CN 114571413 A CN114571413 A CN 114571413A CN 202210237231 A CN202210237231 A CN 202210237231A CN 114571413 A CN114571413 A CN 114571413A
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- China
- Prior art keywords
- shell
- electric hammer
- water
- heat
- drill bit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention relates to the technical field of impact tools, in particular to a self-cooling electric hammer; including electric hammer body and cooling module, the electric hammer body includes the casing, the ventiduct, driving piece and drill bit, cooling module includes rotor blade, heat exchanger and water cooler, the water cooler includes the water pitcher, raceway and gasbag, when dispelling the heat to the driving piece, the ventiduct makes the interior circulation of air current of casing, realize the air convection heat dissipation to the driving piece, driving piece drive rotor blade rotates, improve convection heat dissipation efficiency through the air in the ventiduct extraction casing, when dispelling the heat to the drill bit, make the gasbag inflation extrude the water in the water pitcher through pressing down the gasbag, and spout the water reposition of redundant personnel through the raceway, rivers blow to the drill bit through rotor blade, thereby carry out water-cooling to the drill bit, solve prior art and only dispel the heat to hammer block inside, the not good problem of whole radiating effect.
Description
Technical Field
The invention relates to the technical field of impact tools, in particular to a self-cooling electric hammer.
Background
The electric hammer is an electric rotary hammer drill with a safety clutch and a pneumatic hammering mechanism. The electric hammer principle is that a transmission mechanism drives a drill bit to do rotary motion, and meanwhile, the transmission mechanism also has reciprocating hammering motion with the direction perpendicular to a rotary head. The electric hammer is named as electric hammer, in which a piston is driven by a transmission mechanism to compress air in a cylinder in a reciprocating manner, and the air pressure in the cylinder changes periodically to drive a hammer in the cylinder to strike the top of a brick in a reciprocating manner. The brushless lithium electric hammer is one kind of electric hammer.
Among the prior art, current brushless lithium electric hammer drives the flabellum through brushless motor and rotates and produce the air current and dispel the heat to brushless lithium electric hammer usually, but the air current that the flabellum produced can only dispel the heat to the inside motor of brushless lithium electric hammer, can not dispel the heat to the drill bit position of brushless lithium electric hammer, and whole radiating effect is not good.
Disclosure of Invention
The invention aims to provide a self-cooling electric hammer, and aims to solve the problem that the prior art only dissipates heat inside a hammer body, and the overall heat dissipation effect is poor.
In order to achieve the purpose, the invention provides a self-cooling electric hammer, which comprises an electric hammer body and a cooling assembly, wherein the cooling assembly is arranged on one side of the electric hammer body;
the electric hammer comprises an electric hammer body and a hammer handle, wherein the electric hammer body comprises a shell, a driving piece and a drill bit, the driving piece is arranged in the shell and penetrates through the shell, the drill bit is arranged on one side of the driving piece, the shell is provided with an air channel, and the air channel is positioned on two sides of the driving piece;
the cooling module comprises a rotating blade, a heat exchanger and a water cooler, wherein the rotating blade is arranged on one side of the drill bit close to the driving piece, the heat exchanger is arranged on one side of the rotating blade far away from the driving piece, the water cooler is arranged on one side of the rotating blade close to the shell, the water cooler comprises a water tank, a water pipe and an air bag, the water tank is fixedly connected with the shell and is located on one side of the rotating blade, the air bag is arranged on one side of the water tank and is connected with the shell, the water pipe is communicated with the water tank and is located on one side of the rotating blade.
Wherein, the driving piece includes motor and cylinder, the motor output with the drill bit is dismantled and is connected, and is located in the casing, the cylinder output with motor fixed connection just is located and keeps away from drill bit one side, the rotor blade cover is established on the motor output.
Wherein, the casing includes shell, handle and lithium cell, the shell with cylinder fixed connection, and be located the cylinder outside, the handle with shell fixed connection, and be located shell one side, the lithium cell with the shell is dismantled and is connected, and is located shell one side.
The cooling assembly further comprises an infrared sensor and an induction lamp, the infrared sensor is fixedly connected with the shell and located close to one side of the drill bit, and the induction lamp is fixedly connected with the shell and located on one side of the shell.
The water tank comprises a tank body, a water injection head and a piston, the tank body is fixedly connected with the shell and is located on one side of the shell, the water injection head is fixedly connected with the tank body and is located on one side of the tank body, and the piston is rotatably connected with the water injection head and is located on one side of the water injection head.
The water pipe comprises a water pipe body and a spray head, the water pipe body is communicated with the tank body and is positioned on one side close to the rotating blades, and the spray head is fixedly connected with the water pipe body and is positioned on one side far away from the tank body.
The heat exchanger comprises two heat-conducting silica gel sheets, two heat-conducting plates and a plurality of heat dissipation strips, wherein the two heat-conducting silica gel sheets are respectively fixedly connected with the air cylinder and are respectively positioned outside the air cylinder, the two heat-conducting plates are respectively fixedly connected with the two heat-conducting silica gel sheets and are respectively positioned on one side of the air cylinder, and the plurality of heat dissipation strips are respectively fixedly connected with the two heat-conducting plates and are all penetrated through the shell.
The self-cooling electric hammer of the invention is characterized in that the shell provides installation conditions for the driving piece, when the electric hammer body works, the drill bit and a wall body can generate heat when the electric hammer body is in operation, the driving piece in the shell also can generate heat, and the heat generated by the electric hammer body is radiated through the cooling assembly, so that the aim of cooling the electric hammer body is achieved, specifically, when the driving piece is radiated, the air channel enables air flow in the shell to circulate, air convection heat radiation is realized for the driving piece, the driving piece drives the rotating blades to rotate, the rotating blades rotate to extract air in the shell through the air channel, so that the convection heat radiation efficiency is improved, the heat exchanger absorbs the heat of the driving piece and is in contact with the air outside the shell to radiate heat, so that the heat radiation effect of the driving piece is accelerated, when the drill bit is radiated, through pressing the gasbag makes the gasbag inflation will water in the basin is extruded, and passes through the raceway is with the water reposition of redundant personnel blowout, spun rivers warp rotor blade blows to the drill bit, it is right the drill bit carries out water-cooling heat dissipation, solves prior art and only dispels the heat to hammer block inside, the not good problem of whole radiating effect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a self-cooling electric hammer provided by the invention.
Fig. 2 is an enlarged view of detail a of fig. 1.
Fig. 3 is an enlarged view of detail B of fig. 1.
Fig. 4 is a front view of a self-cooling electric hammer provided by the present invention.
Fig. 5 is a cross-sectional view taken along plane a-a of fig. 4.
Fig. 6 is a cross-sectional view taken along plane B-B of fig. 4.
In the figure: 1-electric hammer body, 2-cooling component, 3-shell, 4-ventilation duct, 5-driving piece, 6-drill bit, 7-motor, 8-cylinder, 9-shell, 10-handle, 11-lithium battery, 12-rotating blade, 13-heat exchanger, 14-water cooler, 15-infrared sensor, 16-induction lamp, 17-water tank, 18-water pipe, 19-air bag, 20-tank body, 21-water injection head, 22-piston, 23-water pipe body, 24-spray head, 25-heat conducting silica gel sheet, 26-heat conducting plate, 27-radiating strip, 28-air bag body, 29-conduit, 30-inflation head, 31-pressing head, 32-pressing air bag, 33-pressing block, 34-a return spring.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 6, the present invention provides a self-cooling electric hammer, including an electric hammer body 1 and a cooling assembly 2, wherein the cooling assembly 2 is disposed on one side of the electric hammer body 1;
the electric hammer body 1 comprises a shell 3, a driving piece 5 and a drill bit 6, wherein the driving piece 5 is arranged in the shell 3 and penetrates through the shell 3, the drill bit 6 is arranged on one side of the driving piece 5, the shell 3 is provided with an air channel 4, and the air channel 4 is positioned on two sides of the driving piece 5;
cooling module 2 includes rotor blade 12, heat exchanger 13 and water cooler 14, rotor blade 12 set up in driving piece 5 is close to drill bit 6 one side, heat exchanger 13 set up in driving piece 5 is kept away from rotor blade 12 one side, water cooler 14 set up in casing 3 is close to rotor blade 12 one side, water cooler 14 includes water pitcher 17, raceway 18 and gasbag 19, water pitcher 17 with casing 3 fixed connection, and be located and be close to rotor blade 12 one side, gasbag 19 set up in water pitcher 17 one side, and with casing 3 is connected, raceway 18 with water pitcher 17 intercommunication, and be located and be close to rotor blade 12 one side.
In this embodiment, the housing 3 provides an installation condition for the driving member 5, when the electric hammer body 1 works, the drill 6 and the wall generate heat due to friction, the driving member 5 in the housing 3 also generates heat, and the cooling assembly 2 dissipates the heat generated by the electric hammer body 1, so as to achieve the purpose of cooling the electric hammer body 1, specifically, when the driving member 5 dissipates the heat, the air duct 4 circulates the air in the housing 3 to realize air convection heat dissipation for the driving member 5, the driving member 5 drives the rotating blades 12 to rotate, the rotating blades 12 rotate to extract the air in the housing 3 through the air duct 4, so as to improve the convection heat dissipation efficiency, the heat exchanger 13 absorbs the heat of the driving member 5 and dissipates the heat by contacting with the air outside the housing 3, thereby accelerating the heat dissipation effect of the driving member 5, when right when the drill bit 6 dispels the heat, through pressing gasbag 19 makes 19 inflation of gasbag will water in the water pitcher 17 is extruded, and through raceway 18 is with the water reposition of redundant personnel blowout, spun rivers warp rotating vane 12 blows to drill bit 6, it is right drill bit 6 carries out water-cooling heat dissipation, solves prior art and only dispels the heat to hammer block inside, and the not good problem of whole radiating effect.
Further, the driving part 5 comprises a motor 7 and a cylinder 8, an output end of the motor 7 is detachably connected with the drill bit 6 and is located in the shell 3, an output end of the cylinder 8 is fixedly connected with the motor 7 and is located on one side far away from the drill bit 6, and the rotating blade 12 is sleeved on the output end of the motor 7; casing 3 includes shell 9, handle 10 and lithium cell 11, shell 9 with 8 fixed connection of cylinder, and be located the 8 outsides of cylinder, handle 10 with 9 fixed connection of shell, and be located shell 9 one side, lithium cell 11 with shell 9 is dismantled and is connected, and is located shell 9 one side.
In this embodiment, the motor 7 drives the drill bit 6 to rotate, and simultaneously, the cylinder 8 makes the drill bit 6 perform reciprocating hammering movement perpendicular to the drill bit 6, so as to realize the operation of the electric hammer body 1, the housing 9 provides installation conditions for the motor 7, the handle 10 and the cylinder 8, the handle 10 is arranged so as to be convenient for a user to use, and the lithium battery 11 provides electric energy for the cylinder 8 and the motor 7.
Further, the cooling assembly 2 further comprises an infrared sensor 15 and an induction lamp 16, the infrared sensor 15 is fixedly connected with the housing 9 and is located at one side close to the drill bit 6, and the induction lamp 16 is fixedly connected with the housing 9 and is located at one side of the housing 9; the water tank 17 comprises a tank body 20, a water injection head 21 and a piston 22, the tank body 20 is fixedly connected with the shell 9 and is positioned on one side of the shell 3 close to the rotating blades 12, the water injection head 21 is fixedly connected with the tank body 20 and is positioned on one side of the tank body 20, and the piston 22 is rotatably connected with the water injection head 21 and is positioned on one side of the water injection head 21; the water pipe 18 comprises a water pipe body 23 and a spray head 24, the water pipe body 23 is communicated with the tank body 20 and is positioned at one side close to the rotating blade 12, and the spray head 24 is fixedly connected with the water pipe body 23 and is positioned at one side far away from the tank body 20; the heat exchanger 13 comprises two heat-conducting silica gel pieces 25, two heat-conducting plates 26 and a plurality of heat-radiating strips 27, wherein the two heat-conducting silica gel pieces 25 are respectively and fixedly connected with the cylinder 8 and are respectively positioned at the outer side of the cylinder 8, the two heat-conducting plates 26 are respectively and fixedly connected with the two heat-conducting silica gel pieces 25 and are respectively positioned at the position far away from one side of the cylinder 8, and the heat-radiating strips 27 are respectively and fixedly connected with the two heat-conducting plates 26 and are all penetrated through the shell 9.
In this embodiment, the infrared sensor 15 is electrically connected to the sensor lamp 16, the infrared sensor 15 is LHI954 for detecting the temperature of the drill bit 6, when the infrared sensor 15 detects that the temperature of the drill bit 6 reaches a preset value, an electrical signal is transmitted to the sensor lamp 16, the sensor lamp 16 emits light to remind a user to press the air bag 19, so that the water flow in the tank 20 is squeezed into the water pipe body 23, the water flow is transported to the spray head 24 through the water pipe body 23, is discharged after being shunted by the spray head 24, and is blown to the drill bit 6 by the rotating blade 12 for heat dissipation, the tank 20 is made of a transparent material, so as to observe the water level in the tank 20, when the water level in the tank 20 is insufficient, the piston 22 is rotated to open the water filling head 21, and water is added to the tank 20, the heat-conducting plate 26 absorbs the heat transfer of cylinder 8 for heat dissipation strip 27, through heat dissipation strip 27 and the heat dissipation of outside air contact improve right the radiating effect of cylinder 8, the heat-conducting plate 26 with heat dissipation strip 27 is copper aluminum alloy and supports, heat conduction silica gel piece 25 reduces the heat-conducting plate 26 with gap between the cylinder 8 has improved heat transfer efficiency.
Further, the airbag 19 includes an airbag body 28, a conduit 29 and an inflation head 30, the airbag body 28 is fixedly connected to the tank 20 and is located in the tank 20, the inflation head 30 is disposed on one side of the handle 10, the conduit 29 is communicated with the airbag body 28 and is communicated with the inflation head 30 and is located between the airbag body 28 and the inflation head 30.
In this embodiment, the high-pressure lamp is turned on, the user presses the inflation head 30, the inflation head 30 blows air into the conduit 29, the conduit 29 guides the air into the airbag body 28, and the airbag body 28 expands to squeeze water in the tank 20 into the water pipe body 23.
Further, the inflation head 30 includes a pressing head 31 and a pressing air bag 32, the pressing air bag 32 is fixedly connected to the handle 10 and is located at a side close to the can 20, and the pressing head 31 is disposed at a side of the housing 9 close to the pressing air bag 32.
In the present embodiment, the user presses the pressing head 31, so that the pressing head 31 slides on the housing 9 and presses the pressing balloon 32, and the pressing balloon 32 is forced to squeeze air therein into the catheter 29.
Further, the pressing head 31 includes a pressing block 33 and a return spring 34, the pressing block 33 is slidably connected to the housing 9 and located at a side close to the pressing air bag 32, and the return spring 34 is fixedly connected to the pressing block 33 and the handle 10 and located between the handle 10 and the pressing block 33.
In this embodiment, compared with the case that the pressing block 33 is pushed to return by the reaction of the deformation of the pressing airbag 32, the pressing block 33 can be pressed again after being quickly returned by the arrangement of the return spring 34, so that the water delivery efficiency of the airbag body 28 to the water delivery pipe body 23 is improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A self-cooling electric hammer is characterized in that,
the electric hammer comprises an electric hammer body and a cooling assembly, wherein the cooling assembly is arranged on one side of the electric hammer body;
the electric hammer comprises an electric hammer body and a hammer handle, wherein the electric hammer body comprises a shell, a driving piece and a drill bit, the driving piece is arranged in the shell and penetrates through the shell, the drill bit is arranged on one side of the driving piece, the shell is provided with an air channel, and the air channel is positioned on two sides of the driving piece;
the cooling module comprises a rotating blade, a heat exchanger and a water cooler, wherein the rotating blade is arranged on one side of the drill bit close to the driving piece, the heat exchanger is arranged on one side of the rotating blade far away from the driving piece, the water cooler is arranged on one side of the rotating blade close to the shell, the water cooler comprises a water tank, a water pipe and an air bag, the water tank is fixedly connected with the shell and is located on one side of the rotating blade, the air bag is arranged on one side of the water tank and is connected with the shell, the water pipe is communicated with the water tank and is located on one side of the rotating blade.
2. A self-cooling electric hammer as claimed in claim 1,
the driving piece comprises a motor and a cylinder, the motor output end is connected with the drill bit in a detachable mode and located in the shell, the cylinder output end is fixedly connected with the motor and located far away from one side of the drill bit, and the rotating blade sleeve is arranged on the motor output end.
3. A self-cooling electric hammer as claimed in claim 2,
the casing includes shell, handle and lithium cell, the shell with cylinder fixed connection, and be located the cylinder outside, the handle with shell fixed connection, and be located shell one side, the lithium cell with the shell is dismantled and is connected, and is located shell one side.
4. A self-cooling electric hammer as claimed in claim 3,
the cooling assembly further comprises an infrared sensor and an induction lamp, the infrared sensor is fixedly connected with the shell and located close to one side of the drill bit, and the induction lamp is fixedly connected with the shell and located on one side of the shell.
5. A self-cooling electric hammer as claimed in claim 3,
the water tank comprises a tank body, a water injection head and a piston, wherein the tank body is fixedly connected with the shell and is located on one side of the shell, the water injection head is fixedly connected with the tank body and is located on one side of the tank body, and the piston is rotatably connected with the water injection head and is located on one side of the water injection head.
6. A self-cooling electric hammer as claimed in claim 5,
the water pipe comprises a water pipe body and a spray head, the water pipe body is communicated with the tank body and is positioned at one side close to the rotating blades, and the spray head is fixedly connected with the water pipe body and is positioned at one side far away from the tank body.
7. A self-cooling electric hammer as claimed in claim 3,
the heat exchanger includes two heat conduction silica gel pieces, two heat-conducting plates and a plurality of heat dissipation strip, two heat conduction silica gel piece respectively with cylinder fixed connection is located respectively the cylinder outside, two the heat-conducting plate respectively with two heat conduction silica gel piece fixed connection is located respectively and keeps away from cylinder one side, a plurality of heat dissipation strip respectively with two heat-conducting plate fixed connection all runs through the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237231.9A CN114571413A (en) | 2022-03-11 | 2022-03-11 | Self-cooling electric hammer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210237231.9A CN114571413A (en) | 2022-03-11 | 2022-03-11 | Self-cooling electric hammer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114571413A true CN114571413A (en) | 2022-06-03 |
Family
ID=81780790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210237231.9A Pending CN114571413A (en) | 2022-03-11 | 2022-03-11 | Self-cooling electric hammer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114571413A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976116A (en) * | 2022-07-08 | 2022-08-30 | 清华四川能源互联网研究院 | Fuel cell temperature cooling device of hydrogen energy hybrid logistics vehicle |
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| CN212044548U (en) * | 2020-05-07 | 2020-12-01 | 练正杰 | Green's electric impact drill dust arrester for building |
| CN212421168U (en) * | 2020-01-14 | 2021-01-29 | 南通中煌工具有限公司 | Novel electric pick cylinder |
| CN213319938U (en) * | 2020-07-29 | 2021-06-01 | 杭州晨磊建设工程有限公司 | Novel environment-friendly electric hammer for building construction |
| CN213352323U (en) * | 2020-10-23 | 2021-06-04 | 南通东科工具有限公司 | Air duct cooling device of brushless lithium electric hammer |
| CN214349791U (en) * | 2020-12-30 | 2021-10-08 | 南通帝孚工具科技有限公司 | Electric hand drill with cooling function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976116A (en) * | 2022-07-08 | 2022-08-30 | 清华四川能源互联网研究院 | Fuel cell temperature cooling device of hydrogen energy hybrid logistics vehicle |
| CN114976116B (en) * | 2022-07-08 | 2023-10-24 | 清华四川能源互联网研究院 | Fuel cell temperature reducing device of hydrogen energy hybrid power logistics vehicle |
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