CN212367226U - Oscillation device - Google Patents

Oscillation device Download PDF

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Publication number
CN212367226U
CN212367226U CN202021070777.2U CN202021070777U CN212367226U CN 212367226 U CN212367226 U CN 212367226U CN 202021070777 U CN202021070777 U CN 202021070777U CN 212367226 U CN212367226 U CN 212367226U
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China
Prior art keywords
shaft
rolling bearing
eccentric
fixedly connected
oscillating
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CN202021070777.2U
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Chinese (zh)
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朱国伟
陈海军
肖梦华
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Shenzhen Hor Technology Co ltd
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Shenzhen Hor Technology Co ltd
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Abstract

The utility model relates to the technical field of equipment is cleared up in the heating, disclose an oscillation device, including oscillation mechanism and the vibration layer board of horizontal arrangement, the vibration layer board is used for supporting the test-tube rack, and oscillation mechanism includes the power input shaft that extends longitudinally and rotatable, the eccentric shaft that extends longitudinally, first antifriction bearing, shaft coupling and the vibration output shaft that extends longitudinally; the eccentric shaft comprises a transmission part which is driven by the power input shaft to rotate and extends longitudinally and an eccentric part which extends longitudinally, the eccentric part is connected with the transmission part, the transmission part and the power input shaft are coaxially arranged, the central shaft of the transmission part and the central shaft of the eccentric part are arranged in a staggered manner, the eccentric part is fixedly connected with the inner ring of the first rolling bearing, the outer ring of the first rolling bearing is connected with the coupler, the coupler is fixedly connected with the oscillation output shaft, and the oscillation output shaft is fixedly connected with the oscillation supporting plate; adopt the utility model provides an oscillation device can make reagent fuse evenly, improves work efficiency.

Description

Oscillation device
Technical Field
The utility model belongs to the technical field of equipment is cleared up in the heating and specifically relates to an oscillation device is related to.
Background
The heating digestion equipment is a common pretreatment equipment, has wide application field, and can be applied to sample pretreatment work of various analytical chemistry such as digestion, extraction, protein hydrolysis and the like. When the heating digestion equipment is used, a test tube filled with a reagent needs to be heated, in the process, a new reagent is often needed to be added into the test tube, and the newly added reagent and the original reagent are difficult to be uniformly fused in a short time. This easily causes the reaction in different areas of the reagent in the test tube to be inconsistent, thereby affecting the whole experimental result. Therefore, it is very important to develop a device that can uniformly fuse the reagents.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an oscillation device aims at solving among the prior art in two kinds or multiple reagent short time be difficult to fuse even problem.
The utility model discloses a realize like this, an oscillation device, including oscillation mechanism and the vibration layer board of horizontal arrangement, the vibration layer board is used for supporting the test-tube rack, the oscillation mechanism includes the power input shaft that extends longitudinally and rotatable, the eccentric shaft that extends longitudinally, first antifriction bearing, shaft coupling and the vibration output shaft that extends longitudinally; the eccentric shaft comprises a transmission part driven by the power input shaft to rotate and extending longitudinally and an eccentric part extending longitudinally, the eccentric part is connected with the transmission part, the transmission part and the power input shaft are coaxially arranged, a central shaft of the transmission part and a central shaft of the eccentric part are arranged in a staggered mode, the eccentric part is fixedly connected with an inner ring of the first rolling bearing, an outer ring of the first rolling bearing is connected with the coupler, the coupler is fixedly connected with the oscillation output shaft, and the oscillation output shaft is fixedly connected with the oscillation supporting plate.
Further, the oscillating device further comprises a housing, the housing is provided with at least one first accommodating cavity, the first accommodating cavity extends longitudinally, the oscillating mechanism is installed in the first accommodating cavity, and the oscillating mechanism further comprises at least one second rolling bearing, a deflection shaft sleeve and at least one third rolling bearing; the power input shaft is fixedly connected with an inner ring of the second rolling bearing, and an outer ring of the second rolling bearing is connected with the inner wall of the first accommodating cavity; the transmission part of the eccentric shaft is fixedly connected with the inner ring of the third rolling bearing, the outer ring of the third rolling bearing is connected with the deflection shaft sleeve, and the deflection shaft sleeve is abutted against the inner wall of the first accommodating cavity.
Furthermore, the oscillating device further comprises a lifting mechanism and a lifting supporting plate which is horizontally arranged, the lifting mechanism is connected with the lifting supporting plate, the lifting mechanism is used for driving the lifting supporting plate to longitudinally move, the lifting supporting plate is fixedly connected with the deflection shaft sleeve, and the deflection shaft sleeve can longitudinally slide in the first accommodating cavity; the transmission part of the eccentric shaft can slide longitudinally relative to the power input shaft.
Further, the power input shaft has a longitudinally extending slide groove, and the transmission portion of the eccentric shaft is slidably disposed in the slide groove.
Further, the transmission part of the eccentric shaft protrudes outwards in the radial direction to form a boss, and the boss is matched with the sliding groove.
Further, the deflection shaft sleeve is made of polytetrafluoroethylene.
Further, elevating system includes longitudinal extension and rotatable screw rod and removal nut, it establishes and meshes to remove the nut cover on the screw rod, remove the nut with lifting support plate fixed connection.
Further, the shell is provided with at least one second containing cavity, the second containing cavity extends longitudinally, the lifting mechanism is installed in the second containing cavity, the lifting mechanism further comprises a fourth rolling bearing, the screw rod is fixedly connected with an inner ring of the fourth rolling bearing, and an outer ring of the fourth rolling bearing is connected with the inner wall of the second containing cavity.
Further, the housing further comprises at least one third accommodating cavity, and the third accommodating cavity extends longitudinally; a guide sleeve is fixed in the third accommodating cavity, a guide rod penetrates through the guide sleeve, the guide rod is fixedly connected with the lifting supporting plate, and the guide rod is used for guiding the longitudinal movement of the lifting supporting plate.
Further, the outer wall of uide bushing forms flat mouthful to the indent, the casing has the screw hole of level extension, the screw hole intercommunication the third hold the chamber with the outer wall of casing, just the screw hole with flat mouthful is just to arranging, screw hole female connection has the bolt, the bolt with flat mouthful butt.
Compared with the prior art, the utility model provides an oscillation device specifically introduces as follows, the power input shaft rotates, the power input shaft drives rather than the eccentric shaft that links to each other and rotates, because transmission portion and eccentric part disalignment in the eccentric shaft, the eccentric part rotates around the center pin of transmission portion, the eccentric part is through first antifriction bearing and coupling joint, therefore the shaft coupling keeps self orientation unchangeable and is circular motion, the shaft coupling drives the oscillation output shaft who links to each other rather than and is circular motion, this oscillation output shaft makes the oscillation layer board oscillation round trip rather than linking to each other, thereby realize test tube output oscillation frequency. Adopt the above-mentioned oscillation device that provides, through the combination of power input shaft, eccentric shaft, first antifriction bearing, shaft coupling and oscillation output shaft to test tube output oscillation frequency to make reagent fuse evenly, reduce the experiment deviation, improve work efficiency.
Drawings
Fig. 1 is a cross-sectional view of an oscillation device provided in an embodiment of the present invention;
fig. 2 is a perspective view of an oscillation device provided in an embodiment of the present invention;
fig. 3 is a structural diagram of an oscillating mechanism according to an embodiment of the present invention;
fig. 4 is a structural diagram of an upgrading mechanism provided in an embodiment of the present invention;
fig. 5 is a perspective view of an eccentric shaft provided in an embodiment of the present invention;
fig. 6 is a perspective view of a housing according to an embodiment of the present invention.
Reference numerals: 1-oscillating supporting plate, 2-lifting supporting plate, 3-shell, 4-oscillating mechanism, 5-lifting mechanism, 31-first containing cavity, 32-second containing cavity, 33-third containing cavity, 41-oscillating output shaft, 42-coupler, 43-first rolling bearing, 44-deflection shaft sleeve, 45-third rolling bearing, 46-eccentric shaft, 47-second rolling bearing, 48-power input shaft, 481-sliding chute, 461-eccentric part, 462-transmission part, 4621-boss, 51-moving nut, 52-screw rod and 53-fourth rolling bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
Referring to fig. 1, a preferred embodiment of the present invention is provided.
An oscillating device comprises an oscillating mechanism 4 and an oscillating supporting plate 1 arranged horizontally, wherein the oscillating supporting plate 1 is used for supporting a test tube rack, the oscillating mechanism 4 comprises a power input shaft 48 which extends longitudinally and can rotate, an eccentric shaft 46 which extends longitudinally, a first rolling bearing 43, a coupling 42 and an oscillating output shaft 41 which extends longitudinally; the eccentric shaft 46 includes a transmission part 462 driven by the power input shaft to rotate and extending longitudinally and an eccentric part 461 extending longitudinally, the eccentric part 461 is connected with the transmission part 462, the transmission part 462 is arranged coaxially with the power input shaft 48, the central axis of the transmission part 462 is arranged with the central axis of the eccentric part 461 in a staggered manner, the eccentric part 461 is fixedly connected with the inner ring of the first rolling bearing 43, the outer ring of the first rolling bearing 43 is connected with the coupling 42, the coupling 42 is fixedly connected with the oscillation output shaft 41, and the oscillation output shaft 41 is fixedly connected with the oscillation supporting plate 1.
The oscillating device is mainly used for applying an oscillating frequency to the test tube filled with various reagents so as to accelerate the reagent fusion speed in the test tube. The oscillation device is specifically described below. The power input shaft 48 rotates, the power input shaft 48 drives the eccentric shaft 46 connected with the power input shaft 48 to rotate, the transmission part 462 in the eccentric shaft 46 is not coaxial with the eccentric part 461, the eccentric part 461 rotates around the central shaft of the transmission part 462, the eccentric part 461 is connected with the coupler 42 through the first rolling bearing 43, therefore, the coupler 42 keeps the self direction unchanged and does circular motion, the coupler 42 drives the oscillation output shaft 41 connected with the coupler to do circular motion, and the oscillation output shaft 41 enables the oscillation supporting plate 1 connected with the coupler to oscillate back and forth, so that the oscillation frequency is output to the test tube.
It is also contemplated that power input shaft 48 may be driven for rotation by a mechanism for outputting torque, such as a rotary electric machine.
By adopting the oscillation device provided by the above, the oscillation frequency is output to the test tube through the combination of the power input shaft 48, the eccentric shaft 46, the first rolling bearing 43, the coupler 42 and the oscillation output shaft 41, so that the reagent is uniformly fused, the experimental deviation is reduced, and the working efficiency is improved.
It should be added that the above-mentioned shaking device can be used in, but not limited to, a heating digestion apparatus.
In particular, the oscillating device further comprises a housing 3, the housing 3 having at least one first housing cavity 31, the first housing cavity 31 extending longitudinally, the oscillating mechanism 4 being mounted in the first housing cavity 31, the oscillating mechanism 4 further comprising at least one second rolling bearing 47, a deflecting collar 44 and at least one third rolling bearing 45; the power input shaft 48 is fixedly connected with the inner ring of the second rolling bearing 47, and the outer ring of the second rolling bearing 47 is connected with the inner wall of the first accommodating cavity 31; the transmission part 462 of the eccentric shaft 46 is fixedly connected with the inner ring of the third rolling bearing 45, the outer ring of the third rolling bearing 45 is connected with the deflection shaft sleeve 44, and the deflection shaft sleeve 44 is abutted against the inner wall of the first accommodating cavity 31; the oscillating mechanism 4 is arranged in the first accommodating cavity 31, so that the dust and dust preventing effect can be achieved, the first rolling bearing 43 and the third rolling bearing 45 can achieve the supporting effect, and preferably, the first rolling bearing 43 and the third rolling bearing 45 adopt deep groove ball bearings.
In this embodiment, the oscillation device further includes a lifting mechanism 5 and a lifting support plate 2 horizontally arranged, the lifting mechanism 5 is connected to the lifting support plate 2, the lifting mechanism 5 is configured to drive the lifting support plate 2 to move longitudinally, the lifting support plate 2 is fixedly connected to a deflection shaft sleeve 44, and the deflection shaft sleeve 44 can slide longitudinally in the first accommodating cavity 31; the driving part 462 of the eccentric shaft 46 can slide longitudinally relative to the power input shaft 48; when equipment is cleared up in the use heating, when adding other reagents to the test tube that is in the heating state, because reagent cold and hot inequality in the test tube very easily causes the test tube to break, consequently need raise the certain distance with the test-tube rack that places the test tube. Specifically, the lifting mechanism 5 drives the lifting support plate 2 to move longitudinally, the lifting support plate 2 drives the deflection shaft sleeve 44 connected with the lifting support plate to move longitudinally, the deflection shaft sleeve 44 is connected with the eccentric shaft 46 through the third rolling bearing 45, and the deflection shaft sleeve 44 drives the eccentric shaft 46 to move longitudinally.
Preferably, the deflection shaft sleeve 44 is made of polytetrafluoroethylene, commonly known as teflon @, which has a low coefficient of friction and is extremely wear resistant and suitable for use in this construction.
Further, the power input shaft 48 has a slide groove 481 extending longitudinally, and the transmission part 462 of the eccentric shaft 46 is slidably disposed in the slide groove 481; the slide 481 provides a longitudinal displacement stroke of the eccentric shaft 46, and maintains the transmission connection between the power input shaft 48 and the eccentric shaft 46. Of course, it is also possible to connect the power input shaft 48 and the eccentric shaft 46 by a connecting member, on which the eccentric shaft 46 can slide.
Specifically, the transmission part 462 of the eccentric shaft 46 protrudes radially outward to form a boss 4621, and the boss 4621 is fitted with the slide groove 481; by the abutment of the boss 4621 with the runner 481, the contact area of the eccentric shaft 46 with the power input shaft 48 can be reduced, thereby reducing the frictional force.
In this embodiment, the lifting mechanism 5 includes a screw 52 extending longitudinally and rotatable, and a moving nut 51, the moving nut 51 is sleeved and engaged on the screw 52, and the moving nut 51 is fixedly connected with the lifting support plate 2; the screw 52 rotates, the screw 52 makes the moving nut 51 engaged with the screw move longitudinally, and the moving nut 51 drives the lifting supporting plate 2 to move longitudinally. It is to be added that the screw 52 can be rotated by a mechanism for outputting torque, such as a rotating motor.
Specifically, the housing 3 has at least one second accommodating cavity 32, the second accommodating cavity 32 extends longitudinally, the lifting mechanism 5 is installed in the second accommodating cavity 32, the lifting mechanism 5 further includes a fourth rolling bearing 53, the screw 52 is fixedly connected with an inner ring of the fourth rolling bearing 53, and an outer ring of the fourth rolling bearing 53 is connected with an inner wall of the second accommodating cavity 32; wherein, the fourth rolling bearing 53 supports the screw 52, and preferably, the fourth rolling bearing 53 is a deep groove ball bearing.
In the present embodiment, the housing 3 further comprises at least one third containing chamber 33, the third containing chamber 33 extending longitudinally; a guide sleeve is fixed in the third accommodating cavity 33, a guide rod penetrates through the guide sleeve, the guide rod is fixedly connected with the lifting supporting plate 2, and the guide rod is used for guiding the longitudinal movement of the lifting supporting plate 2; the guide rod mainly plays a role in guiding and supporting when the lifting supporting plate 2 moves longitudinally.
In order to prevent the guide sleeve from rotating, a flat opening is formed in the outer wall of the guide sleeve towards the inner concave groove, the shell 3 is provided with a threaded hole extending horizontally, the threaded hole is communicated with the third accommodating cavity 33 and the outer wall of the shell 3, the threaded hole is arranged opposite to the flat opening, a bolt is connected in the threaded hole in a threaded manner, and the bolt is abutted to the flat opening; of course, other structures can be adopted to restrain the guide sleeve, for example, a key groove is arranged on the side wall of the guide sleeve, and the guide sleeve is restrained by a key.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An oscillating device is characterized by comprising an oscillating mechanism and an oscillating supporting plate which is horizontally arranged, wherein the oscillating supporting plate is used for supporting a test tube rack, and the oscillating mechanism comprises a power input shaft which extends longitudinally and can rotate, an eccentric shaft which extends longitudinally, a first rolling bearing, a coupler and an oscillating output shaft which extends longitudinally; the eccentric shaft comprises a transmission part driven by the power input shaft to rotate and extending longitudinally and an eccentric part extending longitudinally, the eccentric part is connected with the transmission part, the transmission part and the power input shaft are coaxially arranged, a central shaft of the transmission part and a central shaft of the eccentric part are arranged in a staggered mode, the eccentric part is fixedly connected with an inner ring of the first rolling bearing, an outer ring of the first rolling bearing is connected with the coupler, the coupler is fixedly connected with the oscillation output shaft, and the oscillation output shaft is fixedly connected with the oscillation supporting plate.
2. An oscillating device according to claim 1, further comprising a housing having at least one first receiving chamber extending longitudinally, the oscillating mechanism being mounted in the first receiving chamber, the oscillating mechanism further comprising at least one second rolling bearing, a deflection bushing and at least one third rolling bearing; the power input shaft is fixedly connected with an inner ring of the second rolling bearing, and an outer ring of the second rolling bearing is connected with the inner wall of the first accommodating cavity; the transmission part of the eccentric shaft is fixedly connected with the inner ring of the third rolling bearing, the outer ring of the third rolling bearing is connected with the deflection shaft sleeve, and the deflection shaft sleeve is abutted against the inner wall of the first accommodating cavity.
3. The oscillating device according to claim 2, further comprising a lifting mechanism and a horizontally arranged lifting support plate, wherein the lifting mechanism is connected with the lifting support plate, the lifting mechanism is used for driving the lifting support plate to move longitudinally, the lifting support plate is fixedly connected with the deflection shaft sleeve, and the deflection shaft sleeve can slide longitudinally in the first accommodating cavity; the transmission part of the eccentric shaft can slide longitudinally relative to the power input shaft.
4. An oscillating device according to claim 3, wherein the power input shaft has a longitudinally extending slide slot, the transmission portion of the eccentric shaft being slidably disposed within the slide slot.
5. An oscillating device according to claim 4, wherein the driving portion of the eccentric shaft is radially outwardly convex to form a boss, and the boss is fitted to the slide groove.
6. An oscillating device according to claim 3, characterised in that said deflecting sleeves are made of polytetrafluoroethylene.
7. An oscillating device according to claim 3, wherein the lifting mechanism comprises a longitudinally extending and rotatable screw and a traveling nut, the traveling nut being fitted over and engaged with the screw, the traveling nut being fixedly connected to the lifting pallet.
8. An oscillating device according to claim 7, wherein the housing has at least one second receiving chamber extending longitudinally, the elevating mechanism is mounted in the second receiving chamber, the elevating mechanism further comprises a fourth rolling bearing, the screw is fixedly connected to an inner ring of the fourth rolling bearing, and an outer ring of the fourth rolling bearing is connected to an inner wall of the second receiving chamber.
9. An oscillating device according to claim 3, wherein said housing further comprises at least one third receiving chamber, said third receiving chamber extending longitudinally; a guide sleeve is fixed in the third accommodating cavity, a guide rod penetrates through the guide sleeve, the guide rod is fixedly connected with the lifting supporting plate, and the guide rod is used for guiding the longitudinal movement of the lifting supporting plate.
10. The vibration apparatus as claimed in claim 9, wherein the outer wall of the guide sleeve is recessed to form a flat opening, the housing has a horizontally extending threaded hole which communicates the third receiving chamber with the outer wall of the housing, and the threaded hole is disposed opposite to the flat opening, and a bolt is screwed into the threaded hole and abuts against the flat opening.
CN202021070777.2U 2020-06-11 2020-06-11 Oscillation device Active CN212367226U (en)

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CN202021070777.2U CN212367226U (en) 2020-06-11 2020-06-11 Oscillation device

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Application Number Priority Date Filing Date Title
CN202021070777.2U CN212367226U (en) 2020-06-11 2020-06-11 Oscillation device

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CN212367226U true CN212367226U (en) 2021-01-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114504978A (en) * 2022-01-05 2022-05-17 内蒙古蒙电华能热电股份有限公司乌海发电厂 Reagent mixing and oscillating device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114504978A (en) * 2022-01-05 2022-05-17 内蒙古蒙电华能热电股份有限公司乌海发电厂 Reagent mixing and oscillating device
CN114504978B (en) * 2022-01-05 2023-12-01 内蒙古蒙电华能热电股份有限公司乌海发电厂 Reagent mixing oscillation device

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