CN201615194U - Novel transmission device generating output of reciprocating linear motion - Google Patents
Novel transmission device generating output of reciprocating linear motion Download PDFInfo
- Publication number
- CN201615194U CN201615194U CN2010200271693U CN201020027169U CN201615194U CN 201615194 U CN201615194 U CN 201615194U CN 2010200271693 U CN2010200271693 U CN 2010200271693U CN 201020027169 U CN201020027169 U CN 201020027169U CN 201615194 U CN201615194 U CN 201615194U
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- guide rod
- roller
- cylinder
- closed annular
- drive device
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Abstract
The utility model discloses a novel transmission device generating output of reciprocating linear motion, which comprises a fixed shaft and a cylindrical internally-grooved cam, wherein the cylindrical internally-grooved cam is movably sheathed on the external wall of the fixed shaft, and the internal wall of the cylindrical internally-grooved cam is provided with a closed annular internal cam groove; the fixed shaft is provided with a guide rod and a balance weight which move in the reverse axial direction, and the guide rod and the balance weight are respectively meshed and linked with the closed annular internal cam groove of the cylindrical internally-grooved cam by a first connecting component and a second connecting component. Compared with the prior art, the novel transmission device has the benefits that: the balance weight is added on the fixed shaft, and the speed and accelerated speed of the balance weight and the speed and accelerated speed of the guide rod are equal and opposite in direction, so that the balance weight can balance the vibration of the guide rod in the reciprocating linear motion effectively and reduce the working noise greatly; and simultaneously, the novel transmission has simple whole structure, simple and convenient manufacture and assembly, safety, reliability and low cost, and is beneficial to market promotion and use.
Description
Technical field
The utility model relates to the new drive device that is used to produce linear reciprocating motion output on a kind of electric tool, belongs to electric tool and produces linear reciprocating motion output transmission technical field.
Background technique
At present, sweep-saw obtains using very widely in modern people's work and life with its lightly portable, simple and practical advantage.The mechanism that traditional sweep-saw produces linear reciprocating motion output mainly is a slidercrank mechanism, the acceleration of this slidercrank mechanism is pressed the cosine rule and is changed, cantilevered axle is adopted in rotating shaft more, hinge is many, loosely organized, the commutation of its output characteristics is bad, motion output not steadily, vibrations are big, be not durable and shortcoming such as cost height.For this reason, relevant dealer researches and develops the principle of having improved the output of sweep-saw generation linear reciprocating motion, adopted brand-new cylinder inside groove cam drive to replace traditional slidercrank mechanism, this transmission device can effectively be eliminated the travelling comfort, simple in structure and cost is low of the reliability of most of vibrations and noise, raising work and operation, but, there is not balance sysmte owing to this transmission device in the practical application, still there is obvious seismaesthesia in this transmission device, and present patent application is effective improvement of carrying out at the related technology of this problem.
The model utility content
The purpose of this utility model is to overcome shortcoming of the prior art with not enough, and a kind of new drive device of simple in structure, seismaesthesia is little, functional reliability is high, safety durable and cost are low generation linear reciprocating motion output is provided.
To achieve these goals, the utility model is realized by following technological scheme:
A kind of new drive device that produces linear reciprocating motion output comprises groove cam in stationary axle and the cylinder, and the interior groove cam movable set of described cylinder is on the outer wall of stationary axle, and the inwall of groove cam is provided with race in the closed annular in the cylinder; Described stationary axle is provided with opposite guide rod of axial motion direction and equilibrium block, and guide rod and equilibrium block are engaged and linked by race in the closed annular of groove cam in first coupling assembly and second coupling assembly and the cylinder respectively.Guide rod and equilibrium block all belong to the driven output member of groove cam in the cylinder.
Further, described stationary axle is provided with and is used to that guide rod is installed and keeps first pilot hole that guide rod does reciprocating linear motion and the bar shaped guide groove that is used for ccontaining first coupling assembly; Described stationary axle also is provided with and is used to that equilibrium block is installed and keeps balancing pole that equilibrium block does reciprocating linear motion and second pilot hole that is used to install balancing pole; Reach described first pilot hole and second pilot hole and be positioned at same shaft section.
Further, described first coupling assembly comprises :-guide rod pin, and it laterally is placed in the bar shaped guide groove and with guide rod shaft fixedlys connected to intersecting vertically;-Rotor block, it comprises first roller, second roller and the 3rd roller, first roller housing is loaded on guide rod pin outer end and inserts race in the closed annular, and second roller and the 3rd roller are set in successively and are positioned at the guide rod both sides on the guide rod pin and are built in the bar shaped guide groove.
Further, the diameter of described first roller is consistent with the width of race in the closed annular, and the diameter of second, third roller is consistent with the width of bar shaped guide groove.
Further, described second coupling assembly comprises :-equilibrium block pin, and it is fixedly arranged on equilibrium block near on the outer side wall of working curved surface, and its shaft axis is orthogonal to the geometrical axis of groove cam in the cylinder and on its shaft section;-Di four rollers, it is set on the equilibrium block pin and inserts race in the closed annular.
Further, the diameter of described the 4th roller is consistent with the width of race in the closed annular.
Further, in the described cylinder in the closed annular of groove cam race have the lift working curved surface and fall the journey working curved surface, lift working curved surface and fall the journey working curved surface and be symmetrically distributed about the axis of groove cam in the cylinder.Further, the driven output member that is engaged and linked with working curved surface is arranged on the inner chamber of groove cam in the cylinder.
Further, the bottom of groove cam is provided with the gear ring that is used to be in transmission connection in the described cylinder.
The utility model compared with prior art, its beneficial effect is: set up equilibrium block at stationary axle, its speed and acceleration equate with the speed and the acceleration magnitude of guide rod, direction is opposite, the vibrations that produce in can active balance guide rod linear reciprocating motion, greatly reduce operating noise, simultaneously overall structure simple, make simple and convenient assembly, safe and reliable and cost is low, help promoting the use of of market.
In order to understand the utility model more clearly, set forth embodiment of the present utility model below with reference to description of drawings.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the schematic cross-section of the interior groove cam of cylinder among Fig. 1.
Fig. 3 is the schematic cross-section of stationary axle among Fig. 1.
Fig. 4 is the blast structural representation that the utility model is applied to sweep-saw.
Embodiment
Shown in Fig. 1～3, the new drive device of generation linear reciprocating motion described in the utility model output comprises groove cam 2 in stationary axle 1 and the cylinder, and groove cam 2 movable sets are on the outer wall of stationary axle 1 and can be around stationary axle 1 rotation in the described cylinder.
The inwall of groove cam 2 is provided with race 21 in the closed annular that has the lift working curved surface and fall the journey working curved surface in the above-mentioned cylinder, the lift working curved surface of race 21 and fall the journey working curved surface and be symmetrically distributed about the axis of groove cam in the cylinder 2 in the closed annular.Further, the bottom of groove cam 2 is provided with the gear ring 22 that is used to be in transmission connection in the described cylinder.
Said fixing axle 1 is provided with axial motion direction opposite guide rod 11 and equilibrium block 12, and guide rod 11 and equilibrium block 12 are engaged and linked by race 21 in the closed annular of groove cam 2 in first coupling assembly 13 and second coupling assembly 14 and the cylinder respectively.
Wherein, described stationary axle 1 is provided with and is used to that guide rod 11 is installed and keeps first pilot hole 15 that guide rod 11 does reciprocating linear motion and the bar shaped guide groove 16 that is used for ccontaining first coupling assembly 13; Described stationary axle 1 also is provided with and is used to that equilibrium block 12 is installed and keeps balancing pole 17 that equilibrium block 12 does reciprocating linear motion and second pilot hole 18 that is used to install balancing pole 17; Reach described first pilot hole 15 and second pilot hole 18 and be positioned at same shaft section.
Preferably, described first coupling assembly 13 comprises :-guide rod pin 131, and it laterally is placed in axially to intersect vertically in the bar shaped guide groove 16 and with guide rod 11 fixedlys connected;-Rotor block, it comprises first roller 132, second roller 133 and the 3rd roller 134, first roller 132 be set in guide rod pin 131 outer ends and insert race 21 in the closed annular and the diameter of first roller 132 consistent with the width of the interior race 21 of closed annular, second roller 133 and the 3rd roller 134 be set in successively be positioned at guide rod 11 both sides on the guide rod pin 131 and be built in bar shaped guide groove 16 and the diameter of second, third roller 133,134 consistent with the width of bar shaped guide groove 16.Described second coupling assembly 14 comprises :-equilibrium block pin 141, and it is fixedly arranged on equilibrium block 12 near on the outer side walls of working curved surface, and its shaft axis is orthogonal to the geometrical axis of groove cam in the cylinder and on its shaft section;-Di four rollers 142, its be set on the equilibrium block pin 141 and insert race 21 in the closed annular and the diameter of the 4th roller 142 consistent with the width of the interior race 21 of closed annular.
As shown in Figure 4, it is as described below that the utility model is applied to the working principle of sweep-saw: be installed on motor on the frame and drive by reduction gear that groove cam rotates around stationary axle in the cylinder, in the cylinder in the closed annular of groove cam race drive leader and equilibrium block do reciprocating linear motion simultaneously by first coupling assembly and second coupling assembly, and the movement velocity of guide rod and equilibrium block and acceleration magnitude equate, direction is opposite, thereby the spinning movement of groove cam in the cylinder is converted to the linear reciprocating motion of guide rod and equilibrium block by the effect of pilot hole and bar shaped guide groove, utilize equilibrium block to offset the vibrations of guide rod simultaneously, effectively eliminate the vibrations and the noise of sweep-saw.
The utility model is not limited to above-mentioned mode of execution, if various changes of the present utility model or modification are belonged within the spirit and scope of the present utility model, if these are changed and modification belongs to claim of the present utility model and equivalent technologies scope, then the utility model also is intended to comprise these changes and modification.
Claims (9)
1. one kind produces the new drive device that linear reciprocating motion is exported, comprise groove cam in stationary axle and the cylinder, the groove cam movable set is on the outer wall of stationary axle in the described cylinder, and the inwall of groove cam is provided with race in the closed annular in the cylinder, it is characterized in that: described stationary axle is provided with opposite guide rod of axial motion direction and equilibrium block, and guide rod and equilibrium block are engaged and linked by race in the closed annular of groove cam in first coupling assembly and second coupling assembly and the cylinder respectively.
2. the new drive device of generation linear reciprocating motion according to claim 1 output is characterized in that: described stationary axle is provided with and is used to that guide rod is installed and keeps first pilot hole that guide rod does reciprocating linear motion and the bar shaped guide groove that is used for ccontaining first coupling assembly; Described stationary axle also is provided with and is used to that equilibrium block is installed and keeps balancing pole that equilibrium block does reciprocating linear motion and second pilot hole that is used to install balancing pole; Reach described first pilot hole and second pilot hole and be positioned at same shaft section.
3. the new drive device of generation linear reciprocating motion output according to claim 2, it is characterized in that: described first coupling assembly comprises:
-guide rod pin, it laterally is placed in the bar shaped guide groove and with guide rod shaft fixedlys connected to intersecting vertically;
-Rotor block, it comprises first roller, second roller and the 3rd roller, first roller housing is loaded on guide rod pin outer end and inserts race in the closed annular, and second roller and the 3rd roller are set in successively and are positioned at the guide rod both sides on the guide rod pin and are built in the bar shaped guide groove.
4. the new drive device of generation linear reciprocating motion output according to claim 3 is characterized in that: the diameter of described first roller is consistent with the width of race in the closed annular, and the diameter of second, third roller is consistent with the width of bar shaped guide groove.
5. the new drive device of generation linear reciprocating motion output according to claim 2, it is characterized in that: described second coupling assembly comprises:
-equilibrium block pin, it is fixedly arranged on equilibrium block near on the outer side wall of working curved surface, and its shaft axis is orthogonal to the geometrical axis of groove cam in the cylinder and on its shaft section;
-Di four rollers, it is set on the equilibrium block pin and inserts race in the closed annular.
6. the new drive device of generation linear reciprocating motion output according to claim 5 is characterized in that: the diameter of described the 4th roller is consistent with the width of race in the closed annular.
7. the new drive device of generation linear reciprocating motion output according to claim 1, it is characterized in that: in the described cylinder in the closed annular of groove cam race have the lift working curved surface and fall the journey working curved surface, lift working curved surface and fall the journey working curved surface and be symmetrically distributed about the axis of groove cam in the cylinder.
8. the new drive device of generation linear reciprocating motion output according to claim 1 is characterized in that: the bottom of groove cam is provided with the gear ring that is used to be in transmission connection in the described cylinder.
9. the new drive device of generation linear reciprocating motion according to claim 7 output, it is characterized in that: described guide rod and equilibrium block belong to driven output member, and the driven output member that is engaged and linked with working curved surface is arranged on the inner chamber of groove cam in the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200271693U CN201615194U (en) | 2010-01-21 | 2010-01-21 | Novel transmission device generating output of reciprocating linear motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200271693U CN201615194U (en) | 2010-01-21 | 2010-01-21 | Novel transmission device generating output of reciprocating linear motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201615194U true CN201615194U (en) | 2010-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200271693U Expired - Fee Related CN201615194U (en) | 2010-01-21 | 2010-01-21 | Novel transmission device generating output of reciprocating linear motion |
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| Country | Link |
|---|---|
| CN (1) | CN201615194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225672A (en) * | 2013-04-19 | 2013-07-31 | 方亮 | Mechanical device for producing reciprocal rectilinear motion output |
| CN112719783A (en) * | 2020-12-03 | 2021-04-30 | 河北汉光重工有限责任公司 | Method for machining cylindrical cam with built-in curve groove |
-
2010
- 2010-01-21 CN CN2010200271693U patent/CN201615194U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103225672A (en) * | 2013-04-19 | 2013-07-31 | 方亮 | Mechanical device for producing reciprocal rectilinear motion output |
| CN103225672B (en) * | 2013-04-19 | 2016-03-09 | 佛山市新威拓传动科技有限公司 | A kind of mechanical device producing linear reciprocating motion and export |
| CN112719783A (en) * | 2020-12-03 | 2021-04-30 | 河北汉光重工有限责任公司 | Method for machining cylindrical cam with built-in curve groove |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101027 Termination date: 20160121 |
|
| EXPY | Termination of patent right or utility model |