CN213744579U - Double-linkage two-fork rod reciprocating motion device - Google Patents
Double-linkage two-fork rod reciprocating motion device Download PDFInfo
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- CN213744579U CN213744579U CN202020638967.3U CN202020638967U CN213744579U CN 213744579 U CN213744579 U CN 213744579U CN 202020638967 U CN202020638967 U CN 202020638967U CN 213744579 U CN213744579 U CN 213744579U
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- 230000009977 dual effect Effects 0.000 claims description 7
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Abstract
The utility model discloses a duplex two-fork rod reciprocating motion device, which relates to the technical field of universal couplings and comprises a driving end, a driven end and two-fork rods, wherein one end of each two-fork rod is connected with the driving end, the other end of each two-fork rod is connected with the driven end, and the driving end and the driven end are arranged in a central symmetry way relative to the two-fork rods; the driving end and the driven end both comprise: a rotating shaft; the bowl form body, the one end of axis of rotation is connected with the one end of bowl form body, and bowl form body is one end open-ended column shell structure, has seted up first cylindrical concave type guide slot on the inner wall of one side of bowl form body, and the cylindrical concave type guide slot of second has been seted up to the opposite side of bowl form body, and the cylindrical concave type guide slot of second runs through the lateral wall of the opposite side of bowl form body, and wherein, the axis of rotation, the axis of the cylindrical concave type guide slot of first cylindrical and the axis of the cylindrical concave type guide slot of second are located same horizontal plane. The device has the characteristics of simple and compact integral structure, low cost, high precision and high efficiency.
Description
Technical Field
The utility model relates to universal joint technical field especially involves a pair two fork pole reciprocating motion device.
Background
In the mechanical transmission device, the universal coupling makes the two shafts not in the same axis, and can realize continuous rotation of the two connected shafts under the condition of an included angle between the axes, and reliably transmit torque and motion. Universal couplings are widely used as mechanical parts for coupling two shafts (driving and driven) of different mechanisms to rotate together to transmit torque. The universal couplings have the common characteristics that the angular compensation amount is large, the two shaft included angles of the universal couplings with different structural types are different, the typical representative of the existing fixed universal couplings is a three-fork rod structure, and the structure and the manufacturing process are relatively complex and the manufacturing cost is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pair two fork pole reciprocating motion device for solve above-mentioned technical problem.
The utility model adopts the technical scheme as follows:
a duplex two-fork rod reciprocating motion device comprises a driving end, a driven end and two fork rods, wherein one end of each two fork rod is connected with the driving end, the other end of each two fork rod is connected with the driven end, and the driving end and the driven end are arranged in central symmetry relative to the two fork rods;
the driving end and the driven end both comprise:
a rotating shaft;
the bowl form body, the one end of axis of rotation with the one end of bowl form body is connected, the bowl form body is one end open-ended column shell structure, first cylindrical concave type guide slot has been seted up on the inner wall of one side of bowl form body, the cylindrical concave type guide slot of second has been seted up to the opposite side of bowl form body, the cylindrical concave type guide slot of second runs through the lateral wall of the opposite side of bowl form body, wherein, the axis of rotation the axis of first cylindrical concave type guide slot and the axis of the cylindrical concave type guide slot of second is located same horizontal plane.
Preferably, the first cylindrical concave guide groove is arranged along the length direction of the bowl-shaped body, and the axis of the first cylindrical concave guide groove is parallel to the axis of the rotating shaft.
Preferably, the axis of the second cylindrical concave channel is perpendicular to the axis of the first cylindrical concave channel.
Preferably, the two-branch rod comprises a main rod and two branch rods, wherein the two branch rods are arranged at two ends of the main rod and are symmetrically arranged, one branch rod is connected with the main rod to form an H-shaped structure, one branch rod is arranged at the driving end in the bowl-shaped body, and the other branch rod is arranged at the driven end in the bowl-shaped body.
Preferably, the sliding device further includes two first spherical sliders and two second spherical sliders, each of the first spherical sliders is disposed at one end of one of the support rods, and each of the second spherical sliders is disposed at the other end of one of the support rods, wherein the two first spherical sliders and the two second spherical sliders are in a rectangular array, the two first spherical sliders are in a diagonal relationship, the two second spherical sliders are in a diagonal relationship, each of the first spherical sliders is disposed in one of the first cylindrical concave guide grooves, and each of the second spherical sliders is disposed in one of the second cylindrical concave guide grooves.
Preferably, the spherical slide block further comprises a first needle bearing and a second needle bearing, each first spherical slide block is connected with one end of one of the support rods through one first needle bearing, and each second spherical slide block is connected with the other end of one of the support rods through one second needle bearing.
Preferably, the axis of the rotating shaft in the driving end is parallel to the axis of the rotating shaft in the driven end.
The technical scheme has the following advantages or beneficial effects:
the utility model discloses in, drive end and driven end can exchange, and the input of drive end is rotary motion, and the driven end is the output of motion, can obtain the different pitch of rotary motion through the distance between adjustment drive end axis and the driven end axis simultaneously, and when the rotatory a week of drive end, the driven end is also rotatory a week, forms rotatory reciprocating motion, can be so that overall structure is simple compact, with low costs, the precision is high, efficient.
Drawings
Fig. 1 is a front view of a two-link two-fork reciprocating device of the present invention;
fig. 2 is a schematic diagram of the internal structure of the two-link two-fork reciprocating motion device of the present invention.
In the figure: 1. an active end; 2. a driven end; 3. a second fork arm; 31. a main rod; 32. a strut; 4. a rotating shaft; 5. a bowl-shaped body; 6. a first cylindrical concave channel; 7. a second cylindrical concave channel; 8. a first spherical surface slider; 9. and a second spherical surface slide block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
Fig. 1 is a front view of a two-link two-fork reciprocating device of the present invention; fig. 2 is a schematic diagram of the internal structure of the dual-link two-fork rod reciprocating device of the present invention, please refer to fig. 1 to 2, which illustrate a preferred embodiment, and the dual-link two-fork rod reciprocating device includes a driving end 1, a driven end 2 and two-fork rods 3, wherein the driving end 1 is connected to one end of the two-fork rods 3, the driven end 2 is connected to the other end of the two-fork rods 3, and the driving end 1 and the driven end 2 are arranged in a central symmetry manner with respect to the two-fork rods 3. In this embodiment, the axis of the driving end 1 and the axis of the driven end 2 are parallel, and the included angle between the driving end 1, the driven end 2 and the two-fork rod 3 can be changed by adjusting the distance between the axis of the driving end 1 and the axis of the driven end 2. In this embodiment, the driving end 1 is connected with the frame through a revolute pair, and the driven end 2 is connected with the frame through a cylindrical kinematic pair, so that the rotation and the movement of the driven end 2 can be realized. Meanwhile, the different screw pitches of the rotary motion can be obtained by adjusting the distance between the axis of the driving end 1 and the axis of the driven end 2.
The driving end 1 and the driven end 2 each include:
the shaft 4 is rotated.
Further, as a preferred embodiment, the first cylindrical concave guide groove 6 is arranged along the length direction of the bowl-shaped body 5, and the axis of the first cylindrical concave guide groove 6 is parallel to the axis of the rotating shaft 4.
Further, as a preferred embodiment, the axis of the second cylindrical concave channel 7 is perpendicular to the axis of the first cylindrical concave channel 6.
Further, as a preferred embodiment, the two-branch rod 3 includes a main rod 31 and two support rods 32, the two support rods 32 are disposed at two ends of the main rod 31, and the two support rods 32 are symmetrically disposed, and the two support rods 32 are connected to the main rod 31 to form an "H" shaped structure, wherein one support rod 32 is located in the bowl-shaped body 5 of the driving end 1, and the other support rod 32 is located in the bowl-shaped body 5 of the driven end 2. In this embodiment, as shown in fig. 2, the two ends of the main rod 31 are connected to the middle portions of the two support rods 32.
Further, as a preferred embodiment, the dual-yoke reciprocating device further comprises two first spherical sliders 8 and two second spherical sliders 9, wherein each first spherical slider 8 is respectively arranged on each second spherical slider 9One end of a supporting rod 32, each second spherical surface sliding block 9 is respectively arranged at the other end of the supporting rod 32, wherein, the two first spherical surface sliding blocks 8 and the two second spherical surface sliding blocks 9 are in a rectangular array, the two first spherical surface sliding blocks 8 are in a diagonal relation, the two second spherical surface sliding blocks 9 are in a diagonal relation, each first spherical surface sliding block 8 is respectively positioned in a first cylindrical concave guide groove 6, and each second spherical surface sliding block 9 is respectively positioned in a second cylindrical concave guide groove 7. As shown in fig. 2, in the present embodiment, the first spherical surface slider 8 and the second spherical surface slider 9 can rotate relative to the two-fork rod 3, and in other embodiments, the first spherical surface slider 8 and the second spherical surface slider 9 are integrated with the two-fork rod 3. The radius of the first spherical sliding block 8 is the same as that of the first cylindrical concave guide groove 6, the matching relation is clearance fit, the radius of the second spherical sliding block 9 is the same as that of the second cylindrical concave guide groove 7, and the matching relation is clearance fit. As shown in fig. 2, in this embodiment, the radius of the first cylindrical concave guide slot 6 is R, the distance from the middle of the first spherical slider 8 to the middle of the strut 32 is R, the offset distance between the input shaft and the output shaft is h, the length of the main rod 31 is L, when the input shaft rotates a circle, the output shaft synchronously rotates a circle, and simultaneously completes a cycle of reciprocating motion, and the rotating and reciprocating motion can make the whole structure simple and compact, low cost, high precision, and high efficiency. The maximum stroke of the reciprocating motion is as follows: reciprocating stroke (reciprocating stroke named S)
In this embodiment, the first spherical slider 8 is slidably connected to the first cylindrical concave guiding groove 6, the second spherical slider 9 is rotatably connected to the second cylindrical concave guiding groove 7, when the driving end 1 or the driven end 2 rotates, the first spherical slider 8 slides in the first cylindrical concave guiding groove 6 in the left-right direction, and the second spherical slider 9 swings in the second cylindrical concave guiding groove 7 in the left-right direction.
Further, as a preferred embodiment, the dual two-forked lever reciprocating device further comprises a first needle bearing (not shown) and a second needle bearing (not shown), each first spherical slider 8 is connected with one end of a supporting rod 32 through a first needle bearing, and each second spherical slider 9 is connected with the other end of a supporting rod 32 through a second needle bearing.
Further, as a preferred embodiment, the axis of the rotating shaft 4 in the driving end 1 is parallel to the axis of the rotating shaft 4 in the driven end 2.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (7)
1. A duplex two-fork rod reciprocating motion device is characterized by comprising a driving end, a driven end and two-fork rods, wherein one ends of the two-fork rods are connected with the driving end, the other ends of the two-fork rods are connected with the driven end, and the driving end and the driven end are arranged in central symmetry relative to the two-fork rods;
the driving end and the driven end both comprise:
a rotating shaft;
the bowl form body, the one end of axis of rotation with the one end of bowl form body is connected, the bowl form body is one end open-ended column shell structure, first cylindrical concave type guide slot has been seted up on the inner wall of one side of bowl form body, the cylindrical concave type guide slot of second has been seted up to the opposite side of bowl form body, the cylindrical concave type guide slot of second runs through the lateral wall of the opposite side of bowl form body, wherein, the axis of rotation the axis of first cylindrical concave type guide slot and the axis of the cylindrical concave type guide slot of second is located same horizontal plane.
2. The dual binary rod reciprocating device of claim 1, wherein the first cylindrical concave guide slot is disposed along a length of the bowl-shaped body, and an axis of the first cylindrical concave guide slot is parallel to an axis of the rotating shaft.
3. The dual binary lever reciprocating device of claim 1 wherein the axis of the second cylindrical concave channel is perpendicular to the axis of the first cylindrical concave channel.
4. The dual bifurcated two-pronged reciprocating motion device as claimed in claim 1, wherein said bifurcated lever includes a main lever and two legs, and two said legs are disposed at both ends of said main lever, and two said legs are symmetrically disposed, and two said legs are connected to said main lever in an "H" configuration, wherein one of said legs is located in said bowl-shaped body at said driving end, and the other of said legs is located in said bowl-shaped body at said driven end.
5. The dual binary two-bar reciprocating device according to claim 4, further comprising two first spherical sliders and two second spherical sliders, each of the first spherical sliders being disposed at one end of one of the support bars and each of the second spherical sliders being disposed at the other end of one of the support bars, wherein the two first spherical sliders and the two second spherical sliders are in a rectangular array, and the two first spherical sliders are in a diagonal relationship and the two second spherical sliders are in a diagonal relationship, each of the first spherical sliders being disposed in one of the first cylindrical concave guide slots and each of the second spherical sliders being disposed in one of the second cylindrical concave guide slots.
6. The dual binary two bar reciprocating device of claim 5 further comprising first and second needle bearings, each said first spherical slide being connected to one end of one said strut by one said first needle bearing, respectively, and each said second spherical slide being connected to the other end of one said strut by one said second needle bearing, respectively.
7. The dual binary lever reciprocating device of claim 1, wherein the axis of the rotating shaft in the driving end is parallel to the axis of the rotating shaft in the driven end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638967.3U CN213744579U (en) | 2020-04-24 | 2020-04-24 | Double-linkage two-fork rod reciprocating motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020638967.3U CN213744579U (en) | 2020-04-24 | 2020-04-24 | Double-linkage two-fork rod reciprocating motion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744579U true CN213744579U (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020638967.3U Active CN213744579U (en) | 2020-04-24 | 2020-04-24 | Double-linkage two-fork rod reciprocating motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213744579U (en) |
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2020
- 2020-04-24 CN CN202020638967.3U patent/CN213744579U/en active Active
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Effective date of registration: 20240403 Address after: 215124 China (Jiangsu) Pilot Free Trade Zone Suzhou Area Suzhou Industrial Park, No. 88 Jinjihu Avenue, Artificial Intelligence Industrial Park G1-1203/1204, Suzhou City, Jiangsu Province Patentee after: Suzhou qipuwei Semiconductor Co.,Ltd. Country or region after: China Address before: Room 1102, Yipeng science and Technology Innovation Park, 888 Qingliu Middle Road, Yipeng street, dajiangdong Industrial Cluster District, Hangzhou City, Zhejiang Province, 310000 Patentee before: Hangzhou Xinyu Communication Co.,Ltd. Country or region before: China |
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