CN204985592U - Reciprocating device - Google Patents
Reciprocating device Download PDFInfo
- Publication number
- CN204985592U CN204985592U CN201520793934.5U CN201520793934U CN204985592U CN 204985592 U CN204985592 U CN 204985592U CN 201520793934 U CN201520793934 U CN 201520793934U CN 204985592 U CN204985592 U CN 204985592U
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- China
- Prior art keywords
- main shaft
- cylindrical cam
- cam
- slide bar
- groove
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- Withdrawn - After Issue
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Abstract
The utility model discloses a reciprocating device, the utility model discloses a reciprocating device is provided with the cylindrical cam of bisymmetry, right the installing of curved profile facial features of going up cylindrical cam and lower cylindrical cam forms the cam pack in the adapter sleeve, the curved profile facial features that goes up cylindrical cam and lower cylindrical cam is to forming the cam slot, main shaft axial installation is in the cam pack, slide bar transverse connection is on the main shaft, and run through in the cam slot, on high -speed rotatory drive of motor, cylindrical cam is high -speed rotatory down, in order to drive slide bar along cam slot orbit motion, because the main shaft is radial fixed, thereby the slide bar is along last, reciprocal linear motion is made to cylindrical cam's curved surface orbit motion drive main shaft down. The utility model discloses a cylindrical cam of bisymmetry drives the curved surface orbit motion of the slide bar of main shaft both sides along two cylindrical cam to driving the main shaft and making reciprocal linear motion, overall structure is simple, when opening, and the even atress in main shaft both sides, anti intensity in the twinkling of an eye is high, not fragile.
Description
Technical field
The utility model relates to reciprocating impact technical field of tools, and particularly one can be applicable to electrical impact hammer, the reciprocator that electric reciprocating saw and reciprocating impact type break on tree root machine.
Background technique
In the middle of machinery, usually can use linear reciprocating motion mechanism, conventional reciprocating impacts that series products all moves through belt or gear driven bent axle with dynamic rotation, straight reciprocating motion done by tooth bar.The complex structure of this type of reciprocating mechanism, its single-point is stressed, and anti-instantaneous is low, rapid wear.
Model utility content
Main purpose of the present utility model is to provide that a kind of structure is simple, uniform force, non-damageable reciprocator.
The utility model proposes a kind of reciprocator, comprise motor, main shaft, slide bar, the upper cylindrical cam that positional symmetry is arranged and lower cylindrical cam, connecting sleeve and fix the main shaft diameter of described main shaft to fixed structure for radial direction, what described upper cylindrical cam was relative with the curved profile face of described lower cylindrical cam is arranged on formation cam pack in described connecting sleeve, described upper cylindrical cam forming curves groove relative to the curved profile face of described lower cylindrical cam, rotating shaft and the described upper cylindrical cam of described motor are coupling, described cam pack is driven to rotate, described main shaft is axially arranged in described cam pack, described slide bar is provided with two, described slide bar is laterally connected to the both sides of described spindle nose relatively, slide bar described in two is on same straight line, described in two, the outer end of slide bar is placed in described curvilinear groove, described cam pack rotates and drives described slide bar along described curvilinear groove orbiting motion, does reciprocating linear motion to drive described main shaft.
Preferably, also comprise slide bar bearing, described slide bar bearing is separately positioned on the outer end of slide bar described in two.
Preferably, on described cylindrical cam outer wall on be provided with some on connect rib, the outer wall of described lower cylindrical cam is provided with some lower connection ribs, the upper end internal face of described connecting sleeve is provided with described on connect the corresponding and upper connecting groove of adaptation of rib, the lower end inner wall face of described connecting sleeve is provided with and the lower connecting groove of adaptation corresponding with described lower connection rib, described upper connection rib inserts in corresponding described upper connecting groove, and described lower connection rib inserts in corresponding described lower connecting groove.
Preferably, also comprise body shell, described cam pack is arranged in described body shell, cylindrical cam is provided with overhead cam bearing on described, described overhead cam bearing is arranged between described upper cylindrical cam and described body shell, described lower cylindrical cam is provided with lower camshaft bearing, described lower camshaft bearing is arranged between described lower cylindrical cam and described body shell, described motor is fixed on the upper end of described body shell, lower cover is fixedly connected with in described body shell lower end, the leading portion portion of described main shaft is through to described lower cover from the front end of described body shell, and stretch out from described lower cover front end.
Preferably, described main shaft diameter comprises the restraining groove, steel ball and the fixed cover that are arranged on described spindle outer wall face to fixed structure, described fixed cover is fastened on described lower cover cavity, and be sleeved on described main shaft, the internal face of described fixed cover is provided with the chute relative with described restraining groove, and described steel ball is placed in relative described restraining groove and described chute; Described restraining groove is provided with at least two, and the axis around described main shaft is arranged in the outer wall of described main shaft, is provided with described steel ball in restraining groove described in each.
Preferably, described restraining groove is provided with four, is respectively equipped with two described restraining grooves in the relative both sides of described spindle outer wall, be arranged on position, the same side two described in restraining groove in being distributed on same straight line up and down.
The beneficial effect of reciprocator of the present utility model is:
Reciprocator of the present utility model is provided with the cylindrical cam of two symmetries, what upper cylindrical cam was relative with the curved profile face of lower cylindrical cam is arranged on formation cam pack in connecting sleeve, upper cylindrical cam forming curves groove relative to the curved profile face of lower cylindrical cam, main shaft is axially arranged in cam pack, slide bar is connected laterally on main shaft, and through in curvilinear groove, the High Rotation Speed of motor drives, lower cylindrical cam High Rotation Speed, to be with moving slide-bar along curvilinear groove orbiting motion, because the radial direction of main shaft is fixed, thus slide bar is along upper, the curved surface orbiting motion of lower cylindrical cam drives main shaft to do reciprocating linear motion.
The utility model drives the curved surface orbiting motion of slide bar along two cylindrical cams of main shaft both sides by the cylindrical cam of two symmetries, and to drive main shaft to do reciprocating linear motion, overall structure is simple, during unlatching, main shaft both sides uniform stressed, anti-instantaneous is high, not fragile.
Accompanying drawing explanation
Fig. 1 is the STRUCTURE DECOMPOSITION schematic diagram of reciprocator of the present utility model;
Fig. 2 is the internal structure schematic diagram one of the non-mounted motor of reciprocator of the present utility model, body shell, lower cover, connecting sleeve;
Fig. 3 is the internal structure schematic diagram two of the non-mounted motor of reciprocator of the present utility model, body shell, lower cover, connecting sleeve;
Fig. 4 is the sectional view of reciprocator of the present utility model.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 through Fig. 4, an embodiment of reciprocator of the present utility model is proposed:
A kind of reciprocator, comprises motor 1, upper cylindrical cam 2-1 that body shell 4, main shaft 6, slide bar 7, slide bar bearing 8, positional symmetry are arranged and lower cylindrical cam 2-2, overhead cam bearing 5-1, overhead cam bearing 5-1, connecting sleeve 3, lower cover 10 and the radial fixed structure of main shaft 6 for radial fixed main shaft 6.The outer wall of upper cylindrical cam 2-1 is provided with some on connect rib 21, the outer wall of lower cylindrical cam 2-2 is provided with some lower connection ribs 22, the upper end internal face of connecting sleeve 3 is provided with on connect the corresponding and upper connecting groove of adaptation of rib 21, the lower end inner wall face of connecting sleeve 3 is provided with and the lower connecting groove 31 of adaptation corresponding with lower connection rib 22, upper connection rib 21 inserts in corresponding upper connecting groove, lower connection rib 22 inserts in corresponding lower connecting groove 31, make cylindrical cam 2-1 relative with the curved profile face of lower cylindrical cam 2-2 be arranged in connecting sleeve 3, form cam pack.Upper cylindrical cam 2-1 forming curves groove 20 relative to the curved profile face of lower cylindrical cam 2-2.
Motor 1 is fixed on the upper end of body shell 4, and cam pack is arranged in body shell 4, and rotating shaft and the upper cylindrical cam 2-1 of motor 1 are coupling, and drives cam pack to rotate.The cylindrical end of upper and lower cylindrical cam 2-2 stretches out the upper/lower terminal of connecting sleeve 3 respectively, the cylindrical end of upper cylindrical cam 2-1 installs camshaft bearing 5-1, camshaft bearing 5-2 under the cylindrical end of lower cylindrical cam 2-2 is installed, overhead cam bearing 5-1 is arranged between cylindrical cam 2-1 and body shell 4, lower camshaft bearing 5-2 is arranged between lower cylindrical cam 2-2 and body shell 4, is beneficial to upper and lower cylindrical cam 2-2 and rotates in body shell 4.
Main shaft 6 is axially arranged in cam pack.Slide bar 7 is provided with two, and slide bar 7 is laterally connected to the both sides of main shaft 6 end relatively, and two slide bars 7 are on same straight line, and the outer end of two slide bars 7 is placed in the curvilinear groove 20 be relatively made up of the curved profile face of upper and lower cylindrical cam 2-2.Slide bar bearing 8 is set respectively in the outer end of slide bar 7, is beneficial to cam pack band moving slide-bar 7 and moves.Motor 1 drives cam pack to rotate, and cam pack rotating band moving slide-bar 7 along curvilinear groove 20 orbiting motion, thus drives main shaft 6 to do reciprocating linear motion.
Lower cover 10 is fastened on body shell 4 lower end, and the leading portion portion of main shaft 6 is through to lower cover 10 from the front end of body shell 4, and stretches out from lower cover 10 front end.The radial fixed structure of main shaft 6 comprises the restraining groove 12, steel ball 11 and the fixed cover 9 that are arranged in main shaft 6 outer wall.Fixed cover 9 is fastened on lower cover 10 inner chamber, and is sleeved on main shaft 6, and the internal face of fixed cover 9 is provided with the chute relative with restraining groove 12, and steel ball 11 is placed in relative restraining groove 12 and chute.Restraining groove 12 is provided with four, is respectively equipped with two restraining grooves 12 in the relative both sides of main shaft 6 outer wall, is arranged on two restraining grooves 12 of position, the same side in being distributed on same straight line up and down.Chute is provided with two, and upper and lower two restraining grooves 12 of main shaft 6 side are relative with a chute, and upper and lower two restraining grooves 12 of main shaft 6 opposite side are relative with another chute.Steel ball 11 is provided with four, is placed in each restraining groove 12 respectively.Steel ball 11 coordinates with restraining groove 12, chute, the radial motion of restriction main shaft 6, makes main shaft 6 radial direction fixing, is more beneficial to the axially reciprocating of main shaft 6.
During startup, the High Rotation Speed of motor 1 drives upper and lower cylindrical cam 2-2 High Rotation Speed, to be with moving slide-bar 7 along curvilinear groove 20 orbiting motion, because the radial direction of main shaft 6 is fixed, thus slide bar 7 along upper and lower cylindrical cam 2-2 curved surface orbiting motion drive main shaft 6 do reciprocating linear motion.Driven the curved surface orbiting motion of slide bar 7 along two cylindrical cams of main shaft 6 both sides by the cylindrical cam of two symmetries, to drive main shaft 6 to do reciprocating linear motion, overall structure is simple, and during unlatching, main shaft 6 both sides uniform stressed, anti-instantaneous is high, not fragile.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure transformation utilizing the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a reciprocator, it is characterized in that, comprise motor, main shaft, slide bar, the upper cylindrical cam that positional symmetry is arranged and lower cylindrical cam, connecting sleeve and fix the main shaft diameter of described main shaft to fixed structure for radial direction, what described upper cylindrical cam was relative with the curved profile face of described lower cylindrical cam is arranged on formation cam pack in described connecting sleeve, described upper cylindrical cam forming curves groove relative to the curved profile face of described lower cylindrical cam, rotating shaft and the described upper cylindrical cam of described motor are coupling, described cam pack is driven to rotate, described main shaft is axially arranged in described cam pack, described slide bar is provided with two, described slide bar is laterally connected to the both sides of described main shaft relatively, and through in described curvilinear groove, described cam pack rotates and drives described slide bar along described curvilinear groove orbiting motion, does reciprocating linear motion to drive described main shaft.
2. reciprocator according to claim 1, is characterized in that, also comprises slide bar bearing, and described sliding pole axis bearing sleeve is contained on described slide bar, and is positioned at described curvilinear groove position.
3. reciprocator according to claim 1, it is characterized in that, on described cylindrical cam outer wall on be provided with some on connect rib, the outer wall of described lower cylindrical cam is provided with some lower connection ribs, the upper end internal face of described connecting sleeve is provided with described on connect the corresponding and upper connecting groove of adaptation of rib, the lower end inner wall face of described connecting sleeve is provided with and the lower connecting groove of adaptation corresponding with described lower connection rib, described upper connection rib inserts in corresponding described upper connecting groove, described lower connection rib inserts in corresponding described lower connecting groove.
4. the reciprocator according to claim 1 or 3, it is characterized in that, also comprise body shell, described cam pack is arranged in described body shell, cylindrical cam is provided with overhead cam bearing on described, described overhead cam bearing is arranged between described upper cylindrical cam and described body shell, described lower cylindrical cam is provided with lower camshaft bearing, described lower camshaft bearing is arranged between described lower cylindrical cam and described body shell, described motor is fixed on the upper end of described body shell, lower cover is fixedly connected with in described body shell lower end, the leading portion portion of described main shaft is through to described lower cover from the front end of described body shell, and stretch out from described lower cover front end.
5. reciprocator according to claim 4, it is characterized in that, described main shaft diameter comprises the restraining groove, steel ball and the fixed cover that are arranged on described spindle outer wall face to fixed structure, described fixed cover is fastened on described lower cover cavity, and be sleeved on described main shaft, the internal face of described fixed cover is provided with the chute relative with described restraining groove, and described steel ball is placed in relative described restraining groove and described chute; Described restraining groove is provided with at least two, and the axis around described main shaft is arranged in the outer wall of described main shaft, is provided with described steel ball in restraining groove described in each.
6. reciprocator according to claim 5, is characterized in that, described restraining groove is provided with four, is respectively equipped with two described restraining grooves in the relative both sides of described spindle outer wall, be arranged on position, the same side two described in restraining groove in being distributed on same straight line up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793934.5U CN204985592U (en) | 2015-10-12 | 2015-10-12 | Reciprocating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520793934.5U CN204985592U (en) | 2015-10-12 | 2015-10-12 | Reciprocating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204985592U true CN204985592U (en) | 2016-01-20 |
Family
ID=55119963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520793934.5U Withdrawn - After Issue CN204985592U (en) | 2015-10-12 | 2015-10-12 | Reciprocating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204985592U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156624A (en) * | 2015-10-12 | 2015-12-16 | 中山市欣弘机械设备有限公司 | Reciprocating mechanism |
| CN106015329A (en) * | 2016-07-19 | 2016-10-12 | 中山市欣弘机械设备有限公司 | Reciprocating motion bearing mechanism and reciprocating motion mechanism |
| CN108246054A (en) * | 2018-04-12 | 2018-07-06 | 山西海蓝环保科技有限公司 | A kind of fume desulfurating absorption tower |
| WO2023001081A1 (en) * | 2021-07-19 | 2023-01-26 | 浙江千机智能科技有限公司 | Reciprocating saw |
-
2015
- 2015-10-12 CN CN201520793934.5U patent/CN204985592U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156624A (en) * | 2015-10-12 | 2015-12-16 | 中山市欣弘机械设备有限公司 | Reciprocating mechanism |
| CN106015329A (en) * | 2016-07-19 | 2016-10-12 | 中山市欣弘机械设备有限公司 | Reciprocating motion bearing mechanism and reciprocating motion mechanism |
| CN108246054A (en) * | 2018-04-12 | 2018-07-06 | 山西海蓝环保科技有限公司 | A kind of fume desulfurating absorption tower |
| WO2023001081A1 (en) * | 2021-07-19 | 2023-01-26 | 浙江千机智能科技有限公司 | Reciprocating saw |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20171003 |