CN111098266A - Clamping mechanism and electric tool of electric hammer accessory of electric pick - Google Patents
Clamping mechanism and electric tool of electric hammer accessory of electric pick Download PDFInfo
- Publication number
- CN111098266A CN111098266A CN201911317012.6A CN201911317012A CN111098266A CN 111098266 A CN111098266 A CN 111098266A CN 201911317012 A CN201911317012 A CN 201911317012A CN 111098266 A CN111098266 A CN 111098266A
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- Prior art keywords
- electric
- spring
- electric pick
- pick
- tool
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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
- B25D17/08—Means for retaining and guiding the tool bit, e.g. chucks allowing axial oscillation of the tool bit
-
- 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
- B25D17/00—Details of, or accessories for, portable power-driven percussive tools
- B25D17/24—Damping the reaction force
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
本发明公开了一种电镐电锤附件的夹持机构及电动工具，包括电镐壳体、气缸套、钎具、旋转把手，所述电镐壳体内设置有传动机构以及冲击机构，所述冲击机构设置在气缸套内，该气缸套的一端设有外螺纹端，另一端套设有旋转把手并与电镐壳体连接，所述钎具插入电镐电锤附件的夹持机构，再通过弹簧套接螺旋固定接缝处；所述夹持机构包括气缸套的外螺纹端和弹簧，所述外螺纹端内设置有连接口，该连接口形状为多边形，所述外螺纹端螺纹连接弹簧；本发明结构简单，制作成本低，适用性强，不但更换钎具方便，定位牢靠，而且能有效减少震动，钎具不易断裂变形，延长了钎具的使用寿命。
The invention discloses a clamping mechanism and an electric tool for an accessory of an electric pick and an electric hammer, including an electric pick housing, a cylinder liner, a drilling tool and a rotating handle. The electric pick housing is provided with a transmission mechanism and an impact mechanism. The impact mechanism is arranged in the cylinder liner. One end of the cylinder liner is provided with an external thread end, and the other end is provided with a rotating handle and is connected with the electric pick shell. The drill tool is inserted into the clamping mechanism of the electric pick and hammer attachment, and then The joint is fixed by a spring sleeve; the clamping mechanism includes an external thread end of the cylinder liner and a spring, the external thread end is provided with a connection port, the shape of the connection port is a polygon, and the external thread end is threadedly connected Spring; the invention has simple structure, low manufacturing cost and strong applicability, not only convenient to replace the drill, reliable positioning, but also can effectively reduce vibration, the drill is not easy to break and deform, and the service life of the drill is prolonged.
Description
Technical Field
The invention relates to the field of electric tools, in particular to a clamping mechanism of an electric hammer accessory of an electric pick and an electric tool.
Background
The electric pick is a handheld electric tool which removes working media by hammering, has the characteristics of safety, reliability, high efficiency, convenient operation and the like, is mainly used for the industries of building, railway construction and reinforcement, and is matched with a proper pick drill rod or other accessories, such as a chisel head, a shovel and other working tools to complete the operations of crushing, flattening, digging, grooving, cutting and the like of the working media.
When the electric pick works, an accessory (such as a chisel head) of the electric pick is generally designed into a sliding type clamping rod, the accessory moves axially, so that the pick head is locked more firmly, and a pick rod is assembled and disassembled more quickly; moreover, when the electric pick is provided with the accessory with the working edge angle, the accessory cannot adjust the direction at will and is not firmly positioned, and particularly, the circumferential rotation of the accessory influences the working efficiency; for example, when a flat chisel is used to remove a tile from a wall, if the flat chisel is rotated in a circumferential direction after being stressed, the edge of the flat chisel cannot be well aligned with the bottom surface of the tile to effectively remove the old tile, and even the pick can be deflected to cause the bending damage of the pick; therefore, the chuck for clamping the accessory needs to be fixed or can be fixed during working, and the accessory can be properly angularly adjusted according to actual needs, so that the accessory is at the optimal working angle during working; however, some of the existing clamping mechanisms are directly fixed by a stop pin or a screw, and some clamping mechanisms are locked by a thread structure, so that the requirement of a user on the working angle when the user uses an accessory such as a flat chisel cannot be met well although the function of positioning is achieved.
Disclosure of Invention
The invention aims to: the clamping mechanism and the electric tool for the electric hammer accessory of the electric pick effectively reduce vibration, are not easy to break and deform, are convenient to replace drilling tools, are firm in positioning, cannot rotate circumferentially, enable work to be at the best working angle and are high in working efficiency.
The technical scheme adopted by the invention is as follows: a clamping mechanism of an electric hammer accessory of an electric pick is arranged on a cylinder sleeve and comprises an external thread end of the cylinder sleeve and a spring, wherein a connecting port is arranged in the external thread end, the connecting port is polygonal in shape, and the external thread end is in threaded connection with the spring; the external thread end is a heat-treated high-strength forged thread, so that the clamping spring is firmer; the spring is a strong alloy spring, has enough elasticity, is not easy to break and deform, and effectively reduces vibration.
The working principle of the invention is as follows: the electric pick mainly comprises an electric pick shell, a transmission mechanism and an impact mechanism, wherein the transmission mechanism and the impact mechanism are arranged in the electric pick shell, and the transmission mechanism is well known in the field and is not described in detail herein; the clamping mechanism for the electric hammer accessory of the electric pick in the impact mechanism is improved beneficially, and the clamping mechanism which can ensure that the electric hammer accessory of the electric pick is fixed, reduce vibration and improve use comfort is provided; according to the invention, the tension spring is sleeved at the joint of the cylinder sleeve and the drill tool, so that the drill tool plays a role in protecting the cylinder sleeve and reducing vibration when being reset, and thus the drill tool and the external thread end are not easy to break and deform, and the service life of the electric hammer of the electric pick is prolonged.
Furthermore, the spring is a frustum-shaped spring, the end with the smaller diameter of the cone tip is an intensive stress end, the section of spring is a tension spring, the end with the larger diameter of the cone tail is a clamping thread end, and the section of spring is a pressure spring; the drill tool can be tightly wrapped and axially operated in a matching way, so that the vibration is reduced, and the use comfort is improved.
An electric tool comprises an electric pick shell, a cylinder sleeve, a drill tool and a rotary handle, wherein a transmission mechanism and an impact mechanism are arranged in the electric pick shell, the impact mechanism is arranged in the cylinder sleeve, one end of the cylinder sleeve is provided with an external thread end, and the other end of the cylinder sleeve is sleeved with the rotary handle and connected with the electric pick shell; the structure is flexible and small, the use is convenient, and the operability is strong.
Furthermore, one end of the drill tool is provided with a drill bit, and the other end of the drill tool is provided with a drill shank which is a convex polygon; is not easy to circumferentially run in the using process.
Further, the section of the lug boss of the drill shank is hexagonal; the drill shank has the advantages of common shape, high probability of matching with other electric tools and strong adaptability.
Furthermore, the rotary handle comprises a sleeve ring, a connecting rod and a wear-resistant handle sleeve, the sleeve ring is connected with the wear-resistant handle sleeve through the connecting rod, the sleeve ring is movably sleeved on the cylinder sleeve and can rotate 360 degrees along the cylinder sleeve, and therefore the operation is more convenient.
Furthermore, one end of the electric pick shell is connected with the cylinder sleeve, the other end of the electric pick shell is provided with a handle, and the handle is provided with a starting switch; the starting switch is arranged at the handle, so that the control is more convenient.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the invention has simple structure, low manufacturing cost and strong applicability, not only is convenient for replacing the drilling tool and firm in positioning, but also can effectively reduce vibration, the drilling tool is not easy to break and deform, and the service life of the drilling tool is prolonged.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of a casing of the electric pick of the present invention;
FIG. 3 is a schematic view of the spring structure of the present invention;
FIG. 4 is a schematic view of a drill tool according to the present invention;
FIG. 5 is a schematic view of the structure of the twist grip of the present invention;
labeled as: 1-cylinder jacket, 2-external thread end, 3-spring, 31-intensive stress end, 32-clamping thread end, 4-drilling tool, 41-drill bit, 42-drill handle, 5-handle, 6-electric pick shell, 7-rotating handle, 71-lantern ring, 72-connecting rod, 73-wear-resistant handle sleeve and 8-starting switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-5, a clamping mechanism of an electric hammer accessory of an electric pick is arranged on a cylinder sleeve 1, the clamping mechanism comprises an external thread end 2 of the cylinder sleeve 1 and a spring 3, a connecting port is arranged in the external thread end 2, the connecting port is polygonal in shape, and the external thread end 2 is in threaded connection with the spring 3; the external thread end 2 is a heat-treated high-strength forged thread, and the clamping spring 3 is firmer; the spring 3 is a strong alloy spring, has enough elasticity, is not easy to break and deform, and effectively reduces vibration.
The working principle of the invention is as follows: the electric pick mainly comprises an electric pick shell 6, a transmission mechanism and an impact mechanism, wherein the transmission mechanism is arranged in the electric pick shell, is well known in the field and is not described in detail herein; the clamping mechanism for the electric hammer accessory of the electric pick in the impact mechanism is improved beneficially, and the clamping mechanism which can ensure that the electric hammer accessory of the electric pick is fixed, reduce vibration and improve use comfort is provided; according to the invention, the tension spring 3 is sleeved at the joint of the cylinder sleeve 1 and the drill tool 4, so that the drill tool 4 plays a role in protecting the cylinder sleeve 1 and reducing vibration when being reset, and thus the drill tool 4 and the external thread end 2 are not easy to break and deform, and the service life of the electric hammer of the electric pick is prolonged.
Example 2
On the basis of the embodiment 1, the spring 3 is a frustum-shaped spring, the end with the smaller diameter of the cone tip is an intensive stress end 31, the section of spring 3 is a tension spring, the end with the larger diameter of the cone tail is a clamping thread end 32, and the section of spring 3 is a pressure spring; the drill tool 4 can be tightly wrapped and matched with the drill tool 4 to axially run, so that the vibration is reduced, and the use comfort is improved.
Example 3
An electric tool comprises an electric pick shell 6, a cylinder sleeve 1, a drill tool 4 and a rotary handle 7, wherein a transmission mechanism and an impact mechanism are arranged in the electric pick shell 6, the impact mechanism is arranged in the cylinder sleeve 1, one end of the cylinder sleeve 1 is provided with an external thread end 2, and the other end of the cylinder sleeve 1 is sleeved with the rotary handle 7 and is connected with the electric pick shell 6; the structure is flexible and small, the use is convenient, and the operability is strong.
Example 4
On the basis of the embodiment 3, one end of the drill tool 4 is provided with a drill bit 41, and the other end is provided with a drill shank 42, wherein the drill shank 42 is a convex polygon; is not easy to circumferentially run in the using process.
Example 5
On the basis of the embodiment 4, the section of the lug boss of the drill shank 42 is hexagonal; the drill shank 42 has high matching probability with other electric tools and strong adaptability due to common shapes.
Example 6
On the basis of embodiment 3, the rotating handle 7 comprises a lantern ring 71, a connecting rod 72 and a wear-resistant handle sleeve 73, the lantern ring 71 is connected with the wear-resistant handle sleeve 73 through the connecting rod 72, the lantern ring 71 is movably sleeved on the cylinder sleeve 1 and can rotate 360 degrees along the cylinder sleeve, and the operation is more convenient.
Example 7
On the basis of the embodiment 3, one end of the electric pick shell 6 is connected with the cylinder sleeve 1, the other end is provided with a handle 5, and the handle 5 is provided with a starting switch 8; the starting switch 8 is arranged at the handle 5, so that the control is more convenient.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all structural changes that can be made by using the contents of the description and the drawings of the present invention are intended to be embraced therein.
Claims (7)
1. The utility model provides a fixture of electric pick electric hammer annex, sets up on cylinder jacket (1), its characterized in that, fixture includes external screw thread end (2) and spring (3) of cylinder jacket (1), be provided with the connector in external screw thread end (2), this connector shape is the polygon, external screw thread end (2) threaded connection spring (3).
2. A holding mechanism of electric hammer attachment of electric pick according to claim 1, characterized in that the spring (3) is a frustum-shaped spring (3), the end with smaller diameter of cone tip is a dense stress end (31), the section of spring (3) is a tension spring, the end with larger diameter of cone tail is a clamping thread end (32), and the section of spring (3) is a compression spring.
3. An electric tool comprises an electric pick shell (6), a cylinder sleeve (1), a drilling tool (4) and a rotary handle (7), wherein a transmission mechanism and an impact mechanism are arranged in the electric pick shell (6), the impact mechanism is arranged in the cylinder sleeve (1), one end of the cylinder sleeve (1) is provided with an external thread end (2), the other end of the cylinder sleeve is provided with the rotary handle (7) in a sleeved mode and is connected with the electric pick shell (6), and the electric tool is characterized in that the drilling tool (4) is inserted into the clamping mechanism of the electric pick hammer accessory according to any one of claims 1-2 and then is sleeved with a spiral fixing seam through a spring (3).
4. A power tool according to claim 3, characterized in that the drill tool (4) is provided with a bit (41) at one end and a shank (42) at the other end, which shank (42) is a convex polygon.
5. A power tool according to claim 4, characterized in that the projection of the shank (42) is hexagonal in cross-section.
6. A power tool according to claim 3, characterized in that the rotary handle (7) comprises a collar (71), a connecting rod (72) and a wear-resistant handle sleeve (73), the collar (71) and the wear-resistant handle sleeve (73) are connected through the connecting rod (72), and the collar (71) is movably sleeved on the cylinder sleeve (1).
7. A power tool according to claim 3, characterized in that the pick housing (6) is connected to the cylinder sleeve (1) at one end and provided with a handle (5) at the other end, the handle (5) being provided with an activation switch (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317012.6A CN111098266A (en) | 2019-12-19 | 2019-12-19 | Clamping mechanism and electric tool of electric hammer accessory of electric pick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911317012.6A CN111098266A (en) | 2019-12-19 | 2019-12-19 | Clamping mechanism and electric tool of electric hammer accessory of electric pick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111098266A true CN111098266A (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911317012.6A Pending CN111098266A (en) | 2019-12-19 | 2019-12-19 | Clamping mechanism and electric tool of electric hammer accessory of electric pick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111098266A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB280453A (en) * | 1927-05-27 | 1927-11-17 | Christian Hoings | Improved device for attaching drills to boring hammers or the like |
| GB281606A (en) * | 1926-11-30 | 1928-05-10 | Hans Dannert | Improvements in and relating to pneumatic tools |
| GB1423899A (en) * | 1972-10-03 | 1976-02-04 | Inst Gornogo Dela Sib Ordeleni | Portable pneumatic percussive tool |
| DE4134306A1 (en) * | 1991-10-17 | 1993-04-22 | Guenter Busch | Screwdriver bit attachment sleeve for screw centring and holding - comprises left hand wound coil spring which acts both in compression and extension |
| US20020125022A1 (en) * | 2001-02-09 | 2002-09-12 | Andreas Dieterle | Hand guided electrical tool with an auxiliary handle |
| CN2905357Y (en) * | 2006-05-19 | 2007-05-30 | 唐金浩 | Air pick |
| CN202318256U (en) * | 2011-11-06 | 2012-07-11 | 金晓彦 | Pneumatic hammer tire remover |
| CN103573275A (en) * | 2013-11-08 | 2014-02-12 | 四川省华蓥山煤业股份有限公司李子垭煤矿 | Explosion-proof pneumatic concrete vibrating device for coal mine |
| CN208276838U (en) * | 2018-05-29 | 2018-12-25 | 博世电动工具（中国）有限公司 | The clamping device and electric pick of electric pick attachment |
| CN209524225U (en) * | 2018-12-05 | 2019-10-22 | 金川集团股份有限公司 | A kind of tool of installation and maintenance pipeline |
-
2019
- 2019-12-19 CN CN201911317012.6A patent/CN111098266A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB281606A (en) * | 1926-11-30 | 1928-05-10 | Hans Dannert | Improvements in and relating to pneumatic tools |
| GB280453A (en) * | 1927-05-27 | 1927-11-17 | Christian Hoings | Improved device for attaching drills to boring hammers or the like |
| GB1423899A (en) * | 1972-10-03 | 1976-02-04 | Inst Gornogo Dela Sib Ordeleni | Portable pneumatic percussive tool |
| DE4134306A1 (en) * | 1991-10-17 | 1993-04-22 | Guenter Busch | Screwdriver bit attachment sleeve for screw centring and holding - comprises left hand wound coil spring which acts both in compression and extension |
| US20020125022A1 (en) * | 2001-02-09 | 2002-09-12 | Andreas Dieterle | Hand guided electrical tool with an auxiliary handle |
| CN2905357Y (en) * | 2006-05-19 | 2007-05-30 | 唐金浩 | Air pick |
| CN202318256U (en) * | 2011-11-06 | 2012-07-11 | 金晓彦 | Pneumatic hammer tire remover |
| CN103573275A (en) * | 2013-11-08 | 2014-02-12 | 四川省华蓥山煤业股份有限公司李子垭煤矿 | Explosion-proof pneumatic concrete vibrating device for coal mine |
| CN208276838U (en) * | 2018-05-29 | 2018-12-25 | 博世电动工具（中国）有限公司 | The clamping device and electric pick of electric pick attachment |
| CN209524225U (en) * | 2018-12-05 | 2019-10-22 | 金川集团股份有限公司 | A kind of tool of installation and maintenance pipeline |
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| PB01 | Publication | ||
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Application publication date: 20200505 |