CN1883880B - Double sand plate - Google Patents
Double sand plate Download PDFInfo
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- CN1883880B CN1883880B CN2005100407822A CN200510040782A CN1883880B CN 1883880 B CN1883880 B CN 1883880B CN 2005100407822 A CN2005100407822 A CN 2005100407822A CN 200510040782 A CN200510040782 A CN 200510040782A CN 1883880 B CN1883880 B CN 1883880B
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- sand
- sand plate
- drive shaft
- double
- eccentric counter
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Abstract
A two-plate sand comprises a housing, an electric motor, two driving devices symmetrically arranged at two sides of the electric motor and driven by the electric motor and two sand plate components separately communicated with the two driving devices, wherein, two eccentric counter drive shafts are separately extended flexurally downwards from one end of each main drive shaft where the two driving devices are arranged symmetrically and the two eccentric counter drive shafts are separately communicated with the two sand plate components. The two eccentric counter drive shafts rotate in an opposite way eccentrically to the individual main drive shaft, resulting in opposite reciprocating motion of the two sand plate components at the effect of a restraint component arranged in the housing. In this way, it reduces the inner space of the whole driving devices, decreases weight of the complete apparatus and the opposite reciprocating motion of the two sand plates balances the inertia force and reduces vibration of the whole two-plate sand.
Description
Affiliated technical field
What the present invention relates to is a kind of double sand plate.
Background technology
At present, double sand plate generally comprises casing, motor, transmission mechanism and sand plate.The method that described transmission mechanism adopts usually is that a cam pin is installed on a gear wheel; Through a connecting rod cam pin is linked to each other with the sand plate; Formed one group of common toggle, made (the U.S. Patent number: US4073349) that moves reciprocatingly in the chute of sand plate on casing.So just caused the structure more complicated, part increases, and mechanism's operative minor increases, and impact shock is bigger, and noise is bigger, and the needed space of operating mechanism is bigger, and machine volume and weight increase and cost also increases.
Summary of the invention
In order to overcome the deficiency of existing double sand plate, main purpose of the present invention is the double sand plate that provides a kind of internal structure compact, relatively simple for structure.
The technical solution adopted for the present invention to solve the technical problems is: a kind of double sand plate; Include housing, be arranged at said housing internally-powered element, be symmetricly set in said dynamical element both sides and two transmission devices that drive by said dynamical element and the two sand board components that connect with said two transmission devices respectively; Wherein said dynamical element includes output element; Said transmission device includes actuated element and final drive shaft, and wherein said final drive shaft connects through said actuated element and said output element; Wherein said transmission device also includes from the downward extended eccentric counter drive shaft of said final drive shaft one end; Described sand board component comprises sand plate connector that connects with described eccentric counter drive shaft and the sand plate that connects with sand plate connector, and described housing is provided with has the confinement element of accommodating chute, and described sand plate connector is positioned at the described chute of accommodating; When output element drives the final drive shaft rotation; The relative final drive shaft of said eccentric counter drive shaft is done off-centre and is rotatablely moved; The off-centre of said sand board component rotatablely moves under the confinement element effect, to do in opposite directions and moves back and forth, and the reciprocating motion in opposite directions that said sand plate is done parallels with described bearing of trend of accommodating chute.
The invention has the beneficial effects as follows that because of double sand plate is respectively established eccentric counter drive shaft with two final drive shafts, one end in two transmission devices of described symmetric design, and housing is provided with constraint component; Described two sand board components are done under described constraint component effect in opposite directions and are moved back and forth, and design has reduced the inner space of whole transmission device like this, has reduced the part of transmission mechanism; Reduced impact; Reduced vibration, also reduced complete machine weight simultaneously, made operating mechanism compacter.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is the partial sectional view of double sand plate of the present invention.
Fig. 2 is the partial perspective view of double sand plate of the present invention.
Figure 1. Shell 2 dynamic components 3 output components 4a. Transmission 4b. Transmission 5a. Sand board assembly 5b. Sand board assembly 11. Restraint element 12. skateboard 13a. asylum chute 13b. asylum chute 14a. hole 14b. Kong 31. transmission components 41a. transmission components 41b. transmission components 42a. primary Shaft 42b. main shaft 43a. eccentric counter-shaft 43b. eccentric counter-shaft 51a. rotating bearing body 51b. rotating bearing body 52a. cushion body 52b. cushion body? ? 53a. sand board connector 53b. sand board connector 54a. sand board 54b. sand board
The specific embodiment
With reference to Fig. 1-2; A kind of double sand plate, the sand board component 5a, the 5b that include housing 1, be arranged at dynamical element 2 (being motor in the present embodiment) in the said housing, be symmetricly set in said motor both sides and the two transmission device 4a that drive by said motor 2,4b and two connect with two transmission devices respectively.
Housing 1 described in the most preferred embodiment of the present invention is provided with constraint component 11; Described constraint component 11 is provided with 4 slide plates that extend outward 12; Per two slide plates 12 are oppositely arranged with formation accommodates chute 13a, 13b, also is symmetrically arranged with two hole 14a, 14b on the described constraint component 11; Wherein said slide plate 12 can be an one with described constraint component 11, also can connect together.Described motor 2 includes the output element 3 that is fixedly connected with it (be motor output shaft in the present embodiment, this output element will be with the difference of power element difference); Described motor output shaft 3 is provided with actuated element 31 (being pinion in the present embodiment).Described transmission device 4a, 4b include actuated element 41a, the 41b (present embodiment is a gear wheel) and final drive shaft 42a, 42b that is used for connecting with pinion 31; Described gear wheel 41a, 41b are fixedly connected with final drive shaft 42a, 42b, and described final drive shaft 42a, 42b one end bend downward extended eccentric counter drive shaft 43a, 43b.
Described sand board component 5a, 5b comprise swivel bearing body 51a, 51b; Buffer body 52a, 52b; Sand plate connector 53a, 53b and sand plate 54a, 54b; Wherein said swivel bearing body 51a, 51b connect in described sand plate connector 53a, 53b and join with described buffer body 52a, 52b, and described sand plate 54a, 54b and described sand plate connector 53a, 53b connect, and swivel bearing body 51a, 51b and described buffer body 52a, 52b can relatively move; Wherein said eccentric counter drive shaft 43a, 43b pass hole 14a, 14b is connected with described swivel bearing body 51a, 51b; Described sand plate connector 53a, 53b can move horizontally described accommodating among chute 13a, the 13b.
Compared with prior art, the present invention utilizes eccentric counter drive shaft to replace connecting rod crank structure of the prior art, thereby has reduced the part of transmission mechanism, and then has reduced the inner space of whole transmission device, has reduced complete machine weight, makes operating mechanism compacter.Buffer body 52a recited above, 52b are flexible member, and it can reduce the hard collision between swivel bearing body 51a, 51b and sand plate connector 53a, the 53b, reduce voice and improve the life-span.
When the described motor output shaft 3 of motor 2 drivings rotates; Said pinion 31 is meshed with described gear wheel 41a, 41b; Drive final drive shaft 42a, 42b rotation, said eccentric counter drive shaft 43a, the relative final drive shaft 42a of 43b, 42b do off-centre and rotatablely move.Described sand board component 5a, 5b do under the effect of described constraint component 11 in opposite directions and move back and forth.And two sand plates are done in opposite directions and to be moved back and forth, balance inertia force, reduced the vibration of whole double sand plate.
In addition, the technical staff in this field can do conversion by creating conception according to the present invention, constitutes as constraint component in this embodiment is changed into by the plurality of elastic body, equally also can realize the present invention with this elastomer connection casing and sand plate.Certainly, the dynamical element among the present invention can also be pneumatic or surge.
Claims (6)
1. double sand plate; Include housing (1), be arranged at dynamical element (2) in the said housing (1), be symmetricly set in said dynamical element (2) both sides and two transmission devices (4a, 4b) that drive by said dynamical element (2) and the two sand board components (5a, 5b) that connect with said two transmission devices respectively; Wherein said dynamical element (2) includes output element (3); Said transmission device (4a, 4b) includes actuated element (41a, 41b) and final drive shaft (42a, 42b), and wherein said final drive shaft (42a, 42b) connects through said actuated element (41a, 41b) and said output element (3); Said transmission device (4a, 4b) also includes from said final drive shaft (42a, 42b) the downward extended eccentric counter drive shaft of an end (43a, 43b); Described sand board component (5a, 5b) comprises sand plate connector (53a, 53b) that connects with described eccentric counter drive shaft (43a, 43b) and the sand plate (54a, 54b) that connects with sand plate connector (53a, 53b); It is characterized in that: described housing (1) is provided with has the confinement element (11) of accommodating chute (13a, 13b), and described sand plate connector (53a, 53b) is arranged in the described chute (13a, 13b) of accommodating; When output element (3) drives final drive shaft (42a, 42b) rotation; The relative final drive shaft (42a, 42b) of said eccentric counter drive shaft (43a, 43b) is done off-centre and is rotatablely moved; The off-centre of said sand board component (5a, 5b) rotatablely moves under confinement element (11) effect, to do in opposite directions and moves back and forth, and reciprocating motion in opposite directions and described bearing of trend of accommodating chute (13a, 13b) that said sand plate (54a, 54b) is done parallel.
2. double sand plate according to claim 1; It is characterized in that: described sand board component (5a, 5b) also includes swivel bearing body (51a, 51b) and buffer body (52a, 52b); Described swivel bearing body (51a, 51b) connects in said sand plate connector (53a, 53b) and joins with described buffer body (52a, 52b), and described swivel bearing body (51a, 51b) is connected with described eccentric counter drive shaft (43a, 43b); Wherein said buffer body (52a, 52b) is a flexible member.
3. double sand plate according to claim 2 is characterized in that: described swivel bearing body (51a, 51b) can relatively move with described buffer body (52a, 52b).
4. double sand plate according to claim 1 is characterized in that: described confinement element (11) also is provided with some slide plates that extend outward (12), and per two slide plates are symmetrical set to form the said chute (13a, 13b) of accommodating.
5. double sand plate according to claim 1 is characterized in that: described dynamical element (2) can be a motor.
6. double sand plate according to claim 1 is characterized in that: described actuated element (41a, 41b) can be a gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100407822A CN1883880B (en) | 2005-06-24 | 2005-06-24 | Double sand plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2005100407822A CN1883880B (en) | 2005-06-24 | 2005-06-24 | Double sand plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1883880A CN1883880A (en) | 2006-12-27 |
| CN1883880B true CN1883880B (en) | 2012-07-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2005100407822A Active CN1883880B (en) | 2005-06-24 | 2005-06-24 | Double sand plate |
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| Country | Link |
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| CN (1) | CN1883880B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201061862Y (en) * | 2007-06-25 | 2008-05-21 | 南京德朔实业有限公司 | Electric grinding tool |
| CN101376231B (en) * | 2007-08-29 | 2012-07-04 | 苏州宝时得电动工具有限公司 | Dynamic tool |
| CN102114625B (en) * | 2011-04-06 | 2015-01-28 | 铁鎯电动工具有限公司 | Reciprocating double-blade cutter |
| CN103567841B (en) * | 2012-08-07 | 2016-09-14 | 苏州宝时得电动工具有限公司 | Grinding power tool |
| CN103846765B (en) * | 2012-12-06 | 2018-07-06 | 苏州宝时得电动工具有限公司 | Double sand plate |
| CN107243830A (en) * | 2017-08-04 | 2017-10-13 | 固高派动（东莞）智能科技有限公司 | A kind of high-speed plane vibrating mechanism |
-
2005
- 2005-06-24 CN CN2005100407822A patent/CN1883880B/en active Active
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| Publication number | Publication date |
|---|---|
| CN1883880A (en) | 2006-12-27 |
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