CN203348456U - Mechanical device capable of converting engaging-disengaging type reciprocating translation into continuous codirectional rotational motion - Google Patents
Mechanical device capable of converting engaging-disengaging type reciprocating translation into continuous codirectional rotational motion Download PDFInfo
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- CN203348456U CN203348456U CN 201320403415 CN201320403415U CN203348456U CN 203348456 U CN203348456 U CN 203348456U CN 201320403415 CN201320403415 CN 201320403415 CN 201320403415 U CN201320403415 U CN 201320403415U CN 203348456 U CN203348456 U CN 203348456U
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- leading screw
- annulus
- thread leading
- outside thread
- port closed
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Abstract
The utility model discloses a mechanical device capable of converting engaging-disengaging type reciprocating translation into continuous codirectional rotational motion. The device comprises an internal thread lead screw, the internal thread lead screw is mounted inside an external thread lead screw and coaxial with the same, one end of the external thread lead screw is closed and connected with a driving device, and the other end of the same is open and connected with a rotating sleeve. An internal rotation slider, an external rotation slider, a port-closed ring, an internal gearing ring and an external limiting ring are mounted at one end of the rotating sleeve, used for sleeving the rotating sleeve between the external thread lead screw and the external thread lead screw and capable of rotating in the rotating sleeve; the other end of the rotating sleeve is connected with an output device. The device is capable of converting eciprocating translation into continuous codirectional rotational motion, thereby making full use of inertia of rotation and being few in conversion links, free of dead points, low in transmission loss and capable of remarkably improving efficiency; in addition, the device is ingenious in design, compact in structure and small in occupied space, so that a designed finished product can be either large-sized or small-sized, requirements on application places are low, and practicality is high.
Description
Technical field
The utility model relates to a kind of transmission device, specifically, relates to a kind of mechanical device rotatablely moved that reciprocal translation is converted into.
Background technique
Present stage changes into by reciprocal translation the mechanism rotatablely moved and mainly contains the mechanisms such as connecting rod, rack and pinion drive mechanism and ball screw pair.
Connecting rod is to utilize crank and slide block realize mobile and rotate the planar linkage of conversion mutually, is a kind of of linkage mechanism.Connecting rod can only be similar to realizes the given characteristics of motion or movement locus, and design is comparatively complicated, and dead point is arranged, and easily forms self-locking during startup, and efficiency is low.
Rack and pinion drive mechanism changes the linear reciprocating motion of tooth bar into the rotation motion of gear, and transferring power is large, efficiency is high, and still, manufacture, installation precision are had relatively high expectations, and also are unsuitable for doing long-distance transmission.
Ball screw pair is comprised of ball screw, ball, ball nut and associated cyclic part take the transmission part that circular helix is movement locus.The ball screw pair transmission efficiency is high, but easily skid and price more expensive.
Visible, existing reciprocal translation is changed into to the mechanism rotatablely moved do not take full advantage of transmission part inertia, transmission efficiency is low, and design is complicated, and installation difficulty is large, expensive.
The model utility content
In order to solve to have now, reciprocal translation is changed into to the existing above-mentioned technical problem of the transmission device rotatablely moved, the utility model provides the reciprocal translation of a kind of clutch type to be converted into the mechanical device that continuous equidirectional rotatablely moves, the reciprocal translation of bi-directional drive can be converted into to equidirectional rotatablely moving continuously, delicate structure, transmission link is few, transmission efficiency is high, and operational reliability is high.
In order to solve the problems of the technologies described above, the utility model is achieved by following technological scheme:
The reciprocal translation of a kind of clutch type is converted into the mechanical device that continuous equidirectional rotatablely moves, comprise an end sealing, the open circles tubular external thread wire thick stick that an end is uncovered, the closed end inwall of described outside thread leading screw is connected with the internal thread leading screw that coaxially is arranged on described outside thread leading screw inside; The outer surface of the internal surface of described outside thread leading screw and described internal thread leading screw be respectively arranged with derotation each other to the first groove screw thread and the second groove screw thread; Space between described outside thread leading screw and described internal thread leading screw is plugged with an end of turnbarrel;
The end face that described turnbarrel is inserted in described outside thread leading screw one end is connected with the port closed annulus between described outside thread leading screw and described internal thread leading screw; Leave respectively gap between described port closed annulus and described outside thread leading screw, described internal thread leading screw; Described port closed annulus one side is provided with the outer spacing annulus that is fixed in described turnbarrel end outer wall, between described outer spacing annulus outer wall and described outside thread leading screw, leaves gap; Described port closed annulus one side is provided with the interior engagement annulus that is fixed in described turnbarrel inner wall of end, between described interior engagement annulus and described internal thread leading screw, leaves gap;
Be provided with the inner rotary slide block between described port closed annulus and described outer spacing annulus, the distance of described outer spacing annulus and described port closed annulus is length and the safe distance sum of described inner rotary slide block; Described inner rotary slide block outer wall is provided with the first convex thread matched with the first groove screw thread of described outside thread leading screw, and inwall and described turnbarrel outer wall leave gap;
Be provided with interior rotary slider between described port closed annulus and described interior engagement annulus, the distance of described interior engagement annulus and described port closed annulus is length and the safe distance sum of described interior rotary slider; Described interior rotary slider inwall is provided with the second convex thread matched with the second groove screw thread of described internal thread leading screw, and outer wall and described turnbarrel inwall leave gap;
The opposing side of the opposing side of described port closed annulus and described interior rotary slider, described inner rotary slide block and described outer spacing annulus is smooth surface;
The opposing side of described port closed annulus and described inner rotary slide block is respectively arranged with engageable end face ratchet, when described outside thread leading screw, described internal thread leading screw, during to the closed end direction translational of described outside thread leading screw, described inner rotary slide block is meshed with the end face ratchet of described port closed annulus; When described outside thread leading screw, described internal thread leading screw, during to the open-mouth end direction translational of described outside thread leading screw, the end face ratchet of described inner rotary slide block and described port closed annulus is separated;
The opposing side of described interior rotary slider and described interior engagement annulus is respectively arranged with engageable end face ratchet, when described outside thread leading screw, described internal thread leading screw, during to the open-mouth end translation of described outside thread leading screw, described interior rotary slider is meshed with the end face ratchet of described interior engagement annulus; When described outside thread leading screw, described internal thread leading screw, during to the closed end direction translational of described outside thread leading screw, the end face ratchet of described interior rotary slider and described interior engagement annulus is separated.
Wherein, described the first groove screw thread and described the second groove screw thread are concave square slot shape bilateral screw thread.
The beneficial effects of the utility model are:
(1) continuous equidirectional that the utility model can be converted into the reciprocal translation of internal thread leading screw and outside thread leading screw turnbarrel rotatablely moves, utilize the clutch type structure of turnbarrel end to make to rotatablely move and keep unidirectional continuity, thereby collect the bidirectional-movement energy, take full advantage of the inertia of rotation, the conversion link is few, transmission loss is little, and efficiency significantly improves;
(2) cooperation of the clutch type structure of the utility model by the turnbarrel end and internal thread leading screw, outside thread leading screw changes into continuous equidirectional by reciprocal translation and rotatablely moves, and whole mechanism is without dead point; , no matter the much mechanisms that all can not make of driving force start, be convenient to start when the same linear position than two moving links of connecting rod, can guarantee smooth rotation.
(3) the utility model deft design, compact structure, take up room less, so design finished product be large-scale, small-sized all can, less demanding to application places, applicability is strong.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of Fig. 1;
Fig. 3 is the plan view of port closed annulus;
Fig. 4 is the right elevation of port closed annulus;
Fig. 5 is the perspective view of interior rotary slider;
Fig. 6 is the plan view of interior rotary slider;
Fig. 7 is the left view of interior rotary slider;
Fig. 8 is the plan view of inner rotary slide block;
Fig. 9 is the left view of inner rotary slide block.
In figure: 1: the outside thread leading screw; 11: the first groove screw threads; 2: the internal thread leading screw; 21: the second groove screw threads; 3: turnbarrel; 4: interior rotary slider; 41: the second convex threads; 5: the inner rotary slide block; 51: the first convex threads; 6: the port closed annulus; 7: interior engagement annulus; 8: outer spacing annulus.
Embodiment
Below by specific embodiment, the utility model is described in further detail, following examples can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.
As depicted in figs. 1 and 2, the present embodiment has disclosed the reciprocal translation of a kind of clutch type and has been converted into the mechanical device that continuous equidirectional rotatablely moves, and this device comprises outside thread leading screw 1, internal thread leading screw 2, turnbarrel 3, interior rotary slider 4, inner rotary slide block 5, port closed annulus 6, interior engagement annulus 7, outer spacing annulus 8.Internal thread leading screw 2 is arranged on outside thread leading screw 1 inside, with outside thread leading screw 1, coaxially arranges.Outside thread leading screw 1 left end sealing for connecting drive device, right-hand member is uncovered and for connecting turnbarrel 3.The left end of turnbarrel 3 inserts the space between outside thread leading screw 1 and internal thread leading screw 2, and can rotate freely therein; Right-hand member is for connecting output unit.Interior rotary slider 4, inner rotary slide block 5, port closed annulus 6, interior engagement annulus 7, outer spacing annulus 8 are installed on turnbarrel 3 left parts, for turnbarrel 3 is connected together with outside thread leading screw 1, internal thread leading screw 2 respectively, thereby the reciprocal translation of outside thread leading screw 1, internal thread leading screw 2 is converted into to equidirectional continuous rotation motion.
Outside thread leading screw 1 belongs to the translation parts, is the hollow cylinder structure that left end seals, right-hand member is uncovered, and closed end internal face and internal thread leading screw 2 left ends are welded and fixed.Outside thread leading screw 1 internal surface is processed with the first groove screw thread 11, is used to form outside thread leading screw slideway.The concrete left hand concave square slot shape bilateral screw thread that adopts of the first groove screw thread 11 in the present embodiment, thread segment is squarely can reach wear-resisting and purpose motion stabilization, the bilateral screw thread can make rotational slide more smooth and easy.
Internal thread leading screw 2 belongs to the translation parts, and it is shaped as solid cylinder, and left end and outside thread leading screw 1 inwall are welded and fixed; The cross section of internal thread leading screw 2 and outside thread leading screw 1 is concentric circle.Internal thread leading screw 2 outer surfaces are processed with the second groove screw thread 21 with outside thread leading screw 1 internal surface the first groove screw thread 11 contrary rotation directions, are used to form internal thread leading screw slideway.The concrete right hand concave square slot shape bilateral screw thread that adopts of the second groove screw thread 21 in the present embodiment, thread segment is squarely can reach wear-resisting and purpose motion stabilization, the bilateral screw thread can make rotational slide more smooth and easy.
Turnbarrel 3 belongs to rotary component, and for left end is uncovered, the hollow cylinder structure of right-hand member sealing, its left end inserts the space between outside thread leading screw 1 and internal thread leading screw 2, and can rotate freely therein; Right-hand member is for connecting output unit.
The left end end face of turnbarrel 3 is fixedly connected with port closed annulus 6, and as shown in Figure 3 and Figure 4, the contact segment of port closed annulus 6 end faces and turnbarrel 3 can be provided with bolt hole, to fix by bolt and turnbarrel 3.Port closed annulus 6 is arranged between outside thread leading screw 1 and internal thread leading screw 2, and and outside thread leading screw 1, internal thread leading screw 2 between leave respectively the gap that can make outside thread leading screw 1, internal thread leading screw 2 slide and can make port closed annulus 6 rotate.The internal diameter of port closed annulus 6 is less than the external diameter of interior rotary slider 4, and for internally rotary slider 4 formation are spacing, and the contact segment of port closed annulus 6 end faces and interior rotary slider 4 is smooth surface.Port closed annulus 6 is provided with the end face ratchet engageable with the end face ratchet of inner rotary slide block 5 with the relative part of inner rotary slide block 5, and the external diameter of port closed annulus 6 is identical with the external diameter of inner rotary slide block 5, to form good engagement.
Port closed annulus 6 right-hand members are provided with the interior rotary slider 4 between turnbarrel 3 and internal thread leading screw 2; Interior rotary slider 4 left end end faces are smooth surface, and spacing by port closed annulus 27.As shown in Figures 5 to 7, interior rotary slider 4 is cylindrical shape, and its outer wall is smooth surface, and leaves the gap that can make interior rotary slider 4 translations and smooth rotation between turnbarrel 3; Its inwall is provided with the second convex thread 41 matched with the second groove screw thread 21 of internal thread leading screw 2, and this second convex thread 41 can slide in internal thread leading screw slideway.The concrete protruding square bilateral screw thread of the right hand that adopts of the second convex thread 41 in the present embodiment can be one section, individual pen or some circles.Interior rotary slider 4 right-hand member end faces are provided with the end face ratchet, and this end face ratchet toppling direction is contrary with the true dip direction of the second convex thread 41 on interior rotary slider 4; The true dip direction of the toppling direction of described end face ratchet and the second convex thread 41 is all for the axis of interior rotary slider 4.In addition, the end face ratchet toppling direction described in the utility model all refers to the direction that same ratchet is toppled over to short side direction to the long limit of tooth top by tooth root.
Interior rotary slider 4 right-hand members are provided with interior engagement annulus 7, and interior engagement annulus 7 outer walls are fixedly connected with turnbarrel 3 inwalls, and inwall and internal thread leading screw 2 leave gap.The left end of interior engagement annulus 7 is provided with the end face ratchet engageable with the end face ratchet of interior rotary slider 4, thus while making the translation to the right of interior rotary slider 4 along the rotation of its ratchet toppling direction, can with interior engagement annulus 7 good engagement; Swing to direction rotation along being in reverse to its ratchet during translation left, can separate smoothly with interior engagement annulus 7.Length (comprising end face ratchet height) and safe distance sum that the inner distance of interior engagement annulus 7 and port closed annulus 6 is interior rotary slider 4; But this safe distance refers to the slight distance of translation when interior rotary slider 4 end face ratchet crowns do not contact with interior engagement annulus 7 end face ratchet crowns.
Port closed annulus 6 right-hand members are provided with the inner rotary slide block 5 between turnbarrel 3 and outside thread leading screw 1; Inner rotary slide block 5 right-hand member end faces are smooth surface, and spacing by outer spacing annulus 8.As shown in Figure 8 and Figure 9, inner rotary slide block 5 is cylindrical shape, and its outer wall is provided with first convex thread 51 identical with the first groove screw thread 11 of outside thread leading screw 1, and this convex thread 51 slides in the threaded screw rod slideway outside.The concrete protruding square bilateral screw thread of left hand that adopts of the first convex thread 51 in the present embodiment can be one section, individual pen or some circles; Its inwall and turnbarrel 3 leave a fixed gap, guarantee inner rotary slide block 5 translations and smooth rotation.Inner rotary slide block 5 left end end faces are provided with the end face ratchet, and this end face ratchet toppling direction is contrary with the true dip direction of the first convex thread 51 on inner rotary slide block 5; The toppling direction of described end face ratchet and the true dip direction of convex thread are all for the axis of inner rotary slide block 5.Because the right side of port closed annulus 6 is provided with the end face ratchet engageable with the end face ratchet of inner rotary slide block 5, thus while making inner rotary slide block 5 translation left along its ratchet toppling direction rotation, can with port closed disk 6 good engagement; Be in reverse to its ratchet during translation to the right and swing to direction rotation, can separate smoothly with port closed annulus 6.
Inner rotary slide block 5 right-hand members are provided with the outer spacing annulus 8 that left side is smooth surface, and outer spacing annulus 8 inwalls are fixedly connected with turnbarrel 3 outer walls, leave between outer wall and outside thread leading screw 1 and can guarantee outside thread leading screw 1 translation gap smoothly.Length (comprising end face ratchet height) and safe distance sum that the inner distance of outer spacing annulus 8 and port closed annulus 6 is inner rotary slide block 5; But this safe distance refers to the slight distance of translation when inner rotary slide block 5 end face ratchet crowns do not contact with port closed annulus 6 end face ratchet crowns.
Like this, when internal thread leading screw 2, outside thread leading screw 1 translation to the right, in driving rotary slider 4 with respect to turnbarrel 3 occurred to the right safe distance translation, until mesh fully with interior engagement annulus 7.Spacing due to interior engagement annulus 7, interior rotary slider 4 can't continue translation to the right, therefore can only drive the turnbarrel 3 fixing with it by interior engagement annulus 7 and be rotated along the sense of rotation of the second groove screw thread 21 on internal thread leading screw 2.Meanwhile, inner rotary slide block 5 also under the drive of threaded screw rod 1 outside to right translation, thereby separate with port closed annulus 6, contact with outer spacing annulus 8 and relative sliding occurs on surface of contact, therefore can not affect the sense of rotation of turnbarrel 3.
When internal thread leading screw 2, outside thread leading screw 1 translation left, drive inner rotary slide block 5 with respect to turnbarrel 3 occurred left safe distance translation, until mesh fully with port closed annulus 6.Spacing due to port closed annulus 6, inner rotary slide block 5 can't continue translation left, therefore can only drive the turnbarrel 3 fixing with it by port closed annulus 6 and be rotated along the sense of rotation of the first groove screw thread 11 on outside thread leading screw 1.Meanwhile, interior rotary slider 4 also under the drive of internal thread leading screw 2 to left, thereby separate, contact with port closed annulus 6 with interior engagement annulus 7 and relative sliding occurs on surface of contact, therefore can not affect the sense of rotation of turnbarrel 3.
Those skilled in the art is known, when the hand of spiral on internal thread leading screw 2, outside thread leading screw 1, interior rotary slider 4, inner rotary slide block 5 is designed to hand of spiral contrary to the above simultaneously, forms rightabout rotating Vortex.Therefore, in the utility model mechanism, left and right directions is not limited to this, if the side-to-side movement direction of each parts is exchanged, can reach identical purpose.
Although the above is described preferred embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that aim of the present invention and claim protect, can also make the concrete conversion of a lot of forms, within these all belong to protection domain of the present utility model.
Claims (2)
1. the reciprocal translation of clutch type is converted into the mechanical device that continuous equidirectional rotatablely moves, it is characterized in that, comprise an end sealing, the open circles tubular external thread wire thick stick (1) that an end is uncovered, the closed end inwall of described outside thread leading screw (1) is connected with and coaxially is arranged on the inner internal thread leading screw (2) of described outside thread leading screw (1); The outer surface of the internal surface of described outside thread leading screw (1) and described internal thread leading screw (2) be respectively arranged with derotation each other to the first groove screw thread (11) and the second groove screw thread (21); Space between described outside thread leading screw (1) and described internal thread leading screw (2) is plugged with an end of turnbarrel (3);
The end face that described turnbarrel (3) is inserted in described outside thread leading screw (1) one end is connected with the port closed annulus (6) be positioned between described outside thread leading screw (1) and described internal thread leading screw (3); Leave respectively gap between described port closed annulus (6) and described outside thread leading screw (1), described internal thread leading screw (3); Described port closed annulus (6) one sides are provided with the outer spacing annulus (8) that is fixed in described turnbarrel (3) end outer wall, between described outer spacing annulus (8) outer wall and described outside thread leading screw (1), leave gap; Described port closed annulus (6) one sides are provided with the interior engagement annulus (7) that is fixed in described turnbarrel (3) inner wall of end, between described interior engagement annulus (7) and described internal thread leading screw (2), leave gap;
Be provided with inner rotary slide block (5) between described port closed annulus (6) and described outer spacing annulus (8), described outer spacing annulus (8) is length and the safe distance sum of described inner rotary slide block (5) with the distance of described port closed annulus (6); Described inner rotary slide block (5) outer wall is provided with the first convex thread (51) matched with the first groove screw thread (11) of described outside thread leading screw (1), and inwall and described turnbarrel (3) outer wall leave gap;
Be provided with interior rotary slider (4) between described port closed annulus (6) and described interior engagement annulus (7), described interior engagement annulus (7) is length and the safe distance sum of described interior rotary slider (4) with the distance of described port closed annulus (6); Described interior rotary slider (4) inwall is provided with the second convex thread (41) matched with the second groove screw thread (21) of described internal thread leading screw (2), and outer wall and described turnbarrel (3) inwall leave gap;
Described port closed annulus (6) is smooth surface with opposing side, the described inner rotary slide block (5) of described interior rotary slider (4) with the opposing side of described outer spacing annulus (8);
Described port closed annulus (6) is respectively arranged with engageable end face ratchet with the opposing side of described inner rotary slide block (5), when described outside thread leading screw (1), described internal thread leading screw (2), during to the closed end direction translational of described outside thread leading screw (1), described inner rotary slide block (5) is meshed with the end face ratchet of described port closed annulus (6); When described outside thread leading screw (1), described internal thread leading screw (2), during to the open-mouth end direction translational of described outside thread leading screw (1), described inner rotary slide block (5) is separated with the end face ratchet of described port closed annulus (6);
Described interior rotary slider (4) is respectively arranged with engageable end face ratchet with the opposing side of described interior engagement annulus (7), when described outside thread leading screw (1), described internal thread leading screw (2), during to the open-mouth end translation of described outside thread leading screw (1), described interior rotary slider (4) is meshed with the end face ratchet of described interior engagement annulus (7); When described outside thread leading screw (1), described internal thread leading screw (2), during to the closed end direction translational of described outside thread leading screw (1), described interior rotary slider (4) is separated with the end face ratchet of described interior engagement annulus (7).
2. the reciprocal translation of a kind of clutch type according to claim 1 is converted into the mechanical device that continuous equidirectional rotatablely moves, and it is characterized in that, described the first groove screw thread (11) is concave square slot shape bilateral screw thread with described the second groove screw thread (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320403415 CN203348456U (en) | 2013-07-08 | 2013-07-08 | Mechanical device capable of converting engaging-disengaging type reciprocating translation into continuous codirectional rotational motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320403415 CN203348456U (en) | 2013-07-08 | 2013-07-08 | Mechanical device capable of converting engaging-disengaging type reciprocating translation into continuous codirectional rotational motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348456U true CN203348456U (en) | 2013-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320403415 Withdrawn - After Issue CN203348456U (en) | 2013-07-08 | 2013-07-08 | Mechanical device capable of converting engaging-disengaging type reciprocating translation into continuous codirectional rotational motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348456U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352965A (en) * | 2013-07-08 | 2013-10-16 | 天津大学 | Mechanical device converting clutch type reciprocating translational motion into continuous rotary motion in same direction |
| CN110743868A (en) * | 2019-10-23 | 2020-02-04 | 合肥水泥研究设计院有限公司 | Scale layer cleaning device for cement production equipment |
-
2013
- 2013-07-08 CN CN 201320403415 patent/CN203348456U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103352965A (en) * | 2013-07-08 | 2013-10-16 | 天津大学 | Mechanical device converting clutch type reciprocating translational motion into continuous rotary motion in same direction |
| CN103352965B (en) * | 2013-07-08 | 2015-09-02 | 天津大学 | Clutch type reciprocating translatory is converted into the mechanical device of continuous equidirectional rotary motion |
| CN110743868A (en) * | 2019-10-23 | 2020-02-04 | 合肥水泥研究设计院有限公司 | Scale layer cleaning device for cement production equipment |
| CN110743868B (en) * | 2019-10-23 | 2022-09-13 | 合肥水泥研究设计院有限公司 | Scale layer cleaning device for cement production equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20150902 |
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| RGAV | Abandon patent right to avoid regrant |