CN210686878U - Single-input double-output transmission switching mechanism - Google Patents
Single-input double-output transmission switching mechanism Download PDFInfo
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- CN210686878U CN210686878U CN201921831679.3U CN201921831679U CN210686878U CN 210686878 U CN210686878 U CN 210686878U CN 201921831679 U CN201921831679 U CN 201921831679U CN 210686878 U CN210686878 U CN 210686878U
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Abstract
The utility model discloses a single-input double-output transmission switching mechanism, which comprises a box body, wherein an input shaft, an inner output shaft, an outer output shaft, a first transmission mechanism and a second transmission mechanism are arranged in the box body, and the inner output shaft and the outer output shaft are nested inside and outside concentrically and are mutually rotatably connected; the first transmission mechanism comprises a first main transmission shaft, a first driven transmission shaft, a first driving gear, a first driven gear and a first spline housing, and the first spline housing is shifted through a shifting mechanism so as to realize the transmission engagement or disengagement between the first main transmission shaft and the first driven transmission shaft; the second transmission mechanism comprises a second main transmission shaft, a second driven transmission shaft, a second driving gear, a second driven gear and a second spline sleeve, and the second spline sleeve is shifted through another shifting mechanism so as to realize the transmission engagement or disengagement between the second main transmission shaft and the second driven transmission shaft. The utility model has the advantages that: two concentric output forms are realized and the output order of the two concentric axes can be controlled.
Description
Technical Field
The utility model relates to a transmission field especially relates to a transmission switching mechanism of single input dual output.
Background
In the mechanical structure design, the transmission switching mechanism is used for transmitting power and transmitting the power from one part of the machine to another part. The existing transmission device is in a single-input single-output form at most, but has a limit to the number of the output and the input, and has a great limitation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a transmission switching mechanism of single input dual output to the phase realizes two endocentric output forms and can control the output order of two concentric shafts.
The utility model discloses a realize through following technical scheme:
a single-input double-output transmission switching mechanism comprises a box body, wherein an input shaft, an inner output shaft, an outer output shaft, a first transmission mechanism and a second transmission mechanism are arranged in the box body, the inner output shaft and the outer output shaft are arranged in an internally and externally concentric nested mode and are mutually rotatably connected, the input shaft and the outer output shaft are respectively rotatably installed on the left side wall and the right side wall of the box body, the outer end of the input shaft extends out of the box body, the inner end of the input shaft is located in the box body and fixedly sleeved with a driving gear, the outer end of the outer output shaft extends out of the box body, the inner end of the outer output shaft is located in the box body and fixedly sleeved with an outer output gear, and the outer end of the inner output shaft extends out of the outer end of the outer;
the first transmission mechanism comprises a first main transmission shaft, a first driven transmission shaft, a first driving gear, a first driven gear and a first spline housing, the outer ends of the first main transmission shaft and the first driven transmission shaft are respectively and rotatably installed on the left side wall and the right side wall of the box body, the inner ends of the first main transmission shaft and the first driven transmission shaft are in butt joint and are sleeved with the first spline housing, the first spline housing is respectively in spline connection with the inner section of the first main transmission shaft and the outer wall of the inner section of the first driven transmission shaft, and the first spline housing is shifted by a shifting mechanism to move on the inner section of the first main transmission shaft and the inner section of the first driven transmission shaft, so that the transmission connection or disconnection between the first main transmission shaft and the first driven transmission shaft is realized; the first driving gear is fixedly sleeved on the first main transmission shaft and is meshed with the driving gear, and the first driven gear is fixedly sleeved on the first driven transmission shaft and is meshed with the inner output gear;
the second transmission mechanism comprises a second main transmission shaft, a second driven transmission shaft, a second driving gear, a second driven gear and a second spline sleeve, the outer ends of the second main transmission shaft and the second driven transmission shaft are respectively and rotatably installed on the left side wall and the right side wall of the box body, the inner ends of the second main transmission shaft and the second driven transmission shaft are in butt joint and are sleeved with the second spline sleeve, the second spline sleeve respectively forms spline connection with the outer wall of the inner section of the second main transmission shaft and the outer wall of the inner section of the second driven transmission shaft, and the second spline sleeve is shifted by another shifting mechanism to move on the inner section of the second main transmission shaft and the inner section of the second driven transmission shaft, so that the transmission connection or disconnection between the second main transmission shaft and the second driven transmission shaft is realized; the fixed suit of second driving gear is on second final drive shaft and meshes with drive gear mutually, the fixed suit of second driven gear is on the second driven transmission shaft and meshes with outer output gear mutually.
Furthermore, the structure of the shifting mechanism in the first transmission mechanism and the second transmission mechanism is the same, each shifting mechanism comprises a screw rod, a shifting fork and a motor, the screw rod is parallel to the first main transmission shaft, the two ends of the screw rod are rotatably installed on the side wall of the box body, one end of the screw rod is connected with an output shaft of the motor, annular slots are respectively formed in the first spline sleeve or the second spline sleeve, the tail part of the shifting fork is sleeved outside the screw rod in a threaded manner, the front end of the shifting fork is inserted into the slots of the first spline sleeve or the second spline sleeve, the screw rod is driven to rotate through the motor, so that the shifting fork is driven to axially move, and then the shifting fork shifts the first spline sleeve or the second spline sleeve to axially move.
Furthermore, in the first transmission mechanism, the first main transmission shaft is a hollow structure with a central hole formed therein, the inner end of the first driven transmission shaft is provided with a support pillar extending towards the first main transmission shaft, the support pillar of the first driven transmission shaft extends into the central hole of the first main transmission shaft, and the support pillar is rotatably connected with the central hole of the first main transmission shaft through a bearing.
Furthermore, the first transmission mechanism and the second transmission mechanism are respectively arranged on the front side and the rear side of the input shaft, and the toggle mechanism is positioned below the corresponding first transmission mechanism or the corresponding second transmission mechanism.
Furthermore, the box comprises an upper box body, a middle box body and a lower box body which are sequentially arranged from top to bottom, wherein flange plates which horizontally protrude outwards are respectively arranged at the position where the upper box body is connected with the middle box body and the position where the middle box body is connected with the lower box body, and the flange plates sequentially penetrate through the flange plates from top to bottom through screws and are used for screwing nuts, so that the upper box body, the middle box body and the lower box body are connected together.
Compared with the prior art, the utility model has the following advantages:
the utility model provides a single input dual output transmission switching mechanism, can realize the output of two concentric shafts through the unipolar input, can provide power for two moving parts that need to be concentric; its every drive mechanism stirs corresponding spline housing through respective toggle mechanism and follows axial displacement, can realize the engagement of corresponding drive mechanism or break away from, the utility model discloses a two independent drive mechanisms are respectively to inside output shaft and outer output shaft transmission power, both optional inside output shaft or outer output shaft transmission power, the output order of steerable inside output shaft and outer output shaft again. Just the utility model discloses simple structure, the operation is reliable and stable.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the present invention with the box body removed.
Fig. 3 is a top view of the present invention with the box body removed.
Fig. 4 is a top view of the output end of the present invention.
Fig. 5 is a sectional view taken along line a-a of fig. 4.
Fig. 6 is a top view of the input end of the present invention.
Fig. 7 is a sectional view taken along line B-B of fig. 6.
Fig. 8 is a front view of the first transmission mechanism and the corresponding toggle mechanism of the present invention.
Fig. 9 is a cross-sectional view of C-C of fig. 8.
Fig. 10 is a front view of the second transmission mechanism of the present invention cooperating with a corresponding toggle mechanism.
Fig. 11 is a cross-sectional view taken along line D-D of fig. 10.
Reference numbers in the figures: the box is gone up to 1, 2 middle box, 3 lower box, 4 ring flanges, 5 screws, 6 input shafts, 7 interior output shafts, 8 outer output shafts, 9 drive gear, 10 outer output gears, 11 interior output gears, 12 first final drive shaft, 13 first driven transmission shaft, 14 first driving gear, 15 first driven gear, 16 first spline housing, 17 centre bore, 18 support columns, 19 second final drive shaft, 20 second driven transmission shaft, 21 second driving gear, 22 second driven gear, 23 second spline housing, 24 screw rods, 25 shift forks, 26 motors, 27 slots.
Detailed Description
The embodiments of the present invention will be described in detail below, and the present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
Referring to fig. 1 to 11, the present embodiment discloses a single-input dual-output transmission switching mechanism, which includes a case body, the case body is composed of an upper case body 1, a middle case body 2, and a lower case body 3, which are sequentially arranged from top to bottom, flange plates 4 protruding horizontally and outwards are respectively disposed at a position where the upper case body 1 is connected with the middle case body 2, and a position where the middle case body 2 is connected with the lower case body 3, and screws 5 sequentially penetrate through the flange plates 4 from top to bottom and screw nuts, so as to connect the upper case body 1, the middle case body 2, and the lower case body 3 together. The box body is designed into an upper section, a middle section and a lower section, so that the installation of internal parts can be facilitated.
An input shaft 6, an inner output shaft 7, an outer output shaft 8, a first transmission mechanism and a second transmission mechanism are arranged in the box body, the inner output shaft 7 and the outer output shaft 8 are arranged in a concentric nested mode inside and outside and are connected in a rotating mode, the input shaft 6 and the outer output shaft 8 are respectively installed on the left side wall and the right side wall of the box body in a rotating mode through bearings, the outer end of the input shaft 6 extends out of the box body, the inner end of the input shaft is located in the box body and is fixedly sleeved with a driving gear 9, the outer end of the outer output shaft 8 extends out of the box body, the inner end of the outer output shaft is located in the box body and is fixedly sleeved with an outer output gear 10, the outer end of the inner output shaft 7 extends out of.
The first transmission mechanism comprises a first main transmission shaft 12, a first driven transmission shaft 13, a first driving gear 14, a first driven gear 15 and a first spline housing 16, the outer ends of the first main transmission shaft 12 and the first driven transmission shaft 13 are respectively rotatably installed on the left side wall and the right side wall of the box body through bearings, the inner ends of the first main transmission shaft 12 and the first driven transmission shaft 13 are in butt joint and are sleeved with the first spline housing 16, the first spline housing 16 is respectively in spline connection with the inner section of the first main transmission shaft 12 and the outer wall of the inner section of the first driven transmission shaft 13, and the first spline housing 16 is shifted to move on the inner section of the first main transmission shaft 12 and the inner section of the first driven transmission shaft 13 through a shifting mechanism, so that the transmission connection or disconnection between the first main transmission shaft 12 and the first driven transmission shaft 13 is realized; the first driving gear 14 is fixedly sleeved on the first main transmission shaft 12 and meshed with the driving gear 9, and the first driven gear 15 is fixedly sleeved on the first driven transmission shaft 13 and meshed with the inner output gear 11.
In the first transmission mechanism, the first main transmission shaft 12 is a hollow structure with a central hole 17 arranged therein, the inner end of the first driven transmission shaft 13 is provided with a support column 18 extending towards the first main transmission shaft 12, the support column 18 of the first driven transmission shaft 13 extends into the central hole 17 of the first main transmission shaft 12, and the support column 18 is rotatably connected with the central hole 17 of the first main transmission shaft 12 through a bearing.
The second transmission mechanism comprises a second main transmission shaft 19, a second driven transmission shaft 20, a second driving gear 21, a second driven gear 22 and a second spline sleeve 23, the outer ends of the second main transmission shaft 19 and the second driven transmission shaft 20 are respectively rotatably mounted on the left side wall and the right side wall of the box body through bearings, the inner ends of the second main transmission shaft 19 and the second driven transmission shaft 20 are in butt joint and are sleeved with the second spline sleeve 23, the second spline sleeve 23 is respectively in spline connection with the inner section of the second main transmission shaft 19 and the outer wall of the inner section of the second driven transmission shaft 20, and the second spline sleeve 23 is shifted to move on the inner section of the second main transmission shaft 19 and the inner section of the second driven transmission shaft 20 through another shifting mechanism, so that the transmission joint or separation between the second main transmission shaft 19 and the second driven transmission shaft 20 is realized; the second driving gear 21 is fixedly sleeved on the second main transmission shaft 19 and meshed with the driving gear 9, and the second driven gear 22 is fixedly sleeved on the second driven transmission shaft 20 and meshed with the outer output gear 10. In the second transmission mechanism, the connection relationship between the second main transmission shaft 19 and the second driven transmission shaft 20 is the same as the corresponding connection relationship in the first transmission mechanism.
In the embodiment, the spline sleeve is connected and matched with the spline of the transmission shaft, so that the corresponding transmission mechanism is jointed or separated, and the spline matching structure has the advantages of high rigidity, high transmission force and high transmission stability.
The structure forms of the toggle mechanisms in the first transmission mechanism and the second transmission mechanism are the same, the first transmission mechanism and the second transmission mechanism are respectively arranged at the front side and the rear side of the input shaft 6, and the toggle mechanisms are positioned below the corresponding first transmission mechanism or the corresponding second transmission mechanism. Each shifting mechanism comprises a screw rod 24, a shifting fork 25 and a motor 26, the screw rod 24 is parallel to the first main transmission shaft 12, two ends of the screw rod 24 are rotatably installed on the side wall of the box body, one end of the screw rod 24 is connected with an output shaft of the motor 26, annular slots 27 are respectively formed in the first spline housing 16 or the second spline housing 23, the tail part of the shifting fork 25 is sleeved outside the screw rod 24 in a threaded manner, the front end of the shifting fork 25 is inserted into the slots 27 of the first spline housing 16 or the second spline housing 23, the screw rod 24 is driven to rotate through the motor 26, so that the shifting fork 25 is driven to axially move, and the shifting fork 25 then shifts the first spline housing 16 or the second spline housing 23 to axially. In the first transmission mechanism, the corresponding shifting fork 25 shifts the first spline housing 16 to move axially, and when the first spline housing 16 is simultaneously lapped on the first main transmission shaft 12 and the first driven transmission shaft 13, the joint of the first main transmission shaft 12 and the first driven transmission shaft 13 is realized; disengagement of the first main drive shaft 12 and the first secondary drive shaft 13 is achieved when the first splined hub 16 is simply fitted over the first main drive shaft 12 or the first secondary drive shaft 13. The same principle applies to the second transmission mechanism.
When the transmission switching mechanism works, the outer end of the input shaft 6 is connected with an external power source and is a power input end of the whole transmission switching mechanism; the two output shafts are concentrically assembled and work independently, and can provide power for a device needing to use concentric input. The external driving source drives the input shaft 6 to rotate, the driving gear 9 on the input shaft 6 rotates along with the rotation, and then the first driving gear 14 of the first transmission mechanism and the second driving gear 21 of the second transmission mechanism are driven to rotate, power is simultaneously transmitted to the two transmission mechanisms, and the two transmission mechanisms can be respectively controlled to be engaged or disengaged through the two toggle mechanisms, so that the power is respectively transmitted to the inner output shaft 7 or the outer output shaft 8 in a controlled manner, and the two transmission mechanisms are mutually independently controlled, so that the power output sequence of the inner output shaft 7 or the outer output shaft 8 can be controlled, and various requirements can be met.
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 (5)
1. The utility model provides a transmission switching mechanism of single input dual output, includes the box, its characterized in that: an input shaft (6), an inner output shaft (7), an outer output shaft (8), a first transmission mechanism and a second transmission mechanism are arranged in the box body, the inner output shaft (7) and the outer output shaft (8) are arranged in a concentric nested manner inside and outside and are mutually rotatably connected, the input shaft (6) and the outer output shaft (8) are respectively rotatably installed on the left side wall and the right side wall of the box body, the outer end of the input shaft (6) extends out of the box body, the inner end of the input shaft is positioned in the box body and is fixedly sleeved with a driving gear (9), the outer end of the outer output shaft (8) extends out of the box body, the inner end of the outer output shaft is positioned in the box body and is fixedly sleeved with an outer output gear (10), the outer end of the inner output shaft (7) extends out of the outer end of the outer output shaft (8), and the inner end of;
the first transmission mechanism comprises a first main transmission shaft (12), a first driven transmission shaft (13), a first driving gear (14), a first driven gear (15) and a first spline housing (16), the outer ends of the first main transmission shaft (12) and the first driven transmission shaft (13) are respectively and rotatably arranged on the left side wall and the right side wall of the box body, the inner ends of the first main transmission shaft (12) and the first driven transmission shaft (13) are in butt joint and sleeved with a first spline sleeve (16), the first spline sleeve (16) is respectively in spline connection with the inner section of the first main transmission shaft (12) and the outer wall of the inner section of the first driven transmission shaft (13), a first spline sleeve (16) is driven to move on the inner section of the first main transmission shaft (12) and the inner section of the first driven transmission shaft (13) through a driving mechanism, thereby effecting drive engagement or disengagement between the first main drive shaft (12) and the first secondary drive shaft (13); the first driving gear (14) is fixedly sleeved on the first main transmission shaft (12) and meshed with the driving gear (9), and the first driven gear (15) is fixedly sleeved on the first driven transmission shaft (13) and meshed with the inner output gear (11);
the second transmission mechanism comprises a second main transmission shaft (19), a second driven transmission shaft (20), a second driving gear (21), a second driven gear (22) and a second spline sleeve (23), the outer ends of the second main transmission shaft (19) and the second driven transmission shaft (20) are respectively and rotatably arranged on the left side wall and the right side wall of the box body, the inner ends of the second main transmission shaft (19) and the second driven transmission shaft (20) are in butt joint and sleeved with a second spline sleeve (23), the second spline sleeve (23) is respectively in spline connection with the inner section of the second main transmission shaft (19) and the outer wall of the inner section of the second driven transmission shaft (20), a second spline sleeve (23) is stirred to move on the inner section of a second main transmission shaft (19) and the inner section of a second driven transmission shaft (20) through another stirring mechanism, thereby effecting drive engagement or disengagement between the second main drive shaft (19) and the second secondary drive shaft (20); the second driving gear (21) is fixedly sleeved on the second main transmission shaft (19) and meshed with the driving gear (9), and the second driven gear (22) is fixedly sleeved on the second driven transmission shaft (20) and meshed with the outer output gear (10).
2. The single-input dual-output transmission switching mechanism of claim 1, wherein: the structure forms of the toggle mechanisms in the first transmission mechanism and the second transmission mechanism are the same, each toggle mechanism comprises a screw rod (24), a shifting fork (25) and a motor (26), the screw rod (24) is parallel to the first main transmission shaft (12), two ends of the screw rod (24) are rotatably arranged on the side wall of the box body, one end of the screw rod (24) is connected with an output shaft of a motor (26), the first spline housing (16) or the second spline housing (23) is respectively provided with an annular slot (27), the tail part of the shifting fork (25) is sleeved outside the screw rod (24) in a threaded manner, the front end of the shifting fork (25) is inserted into a slot (27) of the first spline housing (16) or the second spline housing (23), the screw rod (24) is driven to rotate through the motor (26), thereby driving the shifting fork (25) to axially move, and then the shifting fork (25) shifts the first spline housing (16) or the second spline housing (23) to axially move.
3. The single-input dual-output transmission switching mechanism of claim 1, wherein: in the first transmission mechanism, the first main transmission shaft (12) is a hollow structure with a central hole (17) formed therein, a supporting column (18) extending towards the first main transmission shaft (12) is arranged at the inner end of the first driven transmission shaft (13), the supporting column (18) of the first driven transmission shaft (13) extends into the central hole (17) of the first main transmission shaft (12), and the supporting column (18) is rotatably connected with the central hole (17) of the first main transmission shaft (12) through a bearing.
4. The single-input dual-output transmission switching mechanism of claim 1, wherein: the first transmission mechanism and the second transmission mechanism are respectively arranged on the front side and the rear side of the input shaft (6), and the toggle mechanism is positioned below the corresponding first transmission mechanism or the corresponding second transmission mechanism.
5. The single-input dual-output transmission switching mechanism of claim 1, wherein: the box comprises last box (1), well box (2) and lower box (3) that from the top arranged in proper order, and the position that goes up box (1) and well box (2) are connected, the position that well box (2) and lower box (3) are connected is equipped with outside convex ring flange of level (4) respectively, down passes each ring flange (4) and the nut of screwing in proper order from the top through screw (5) to will go up box (1), well box (2) and lower box (3) and link together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921831679.3U CN210686878U (en) | 2019-10-28 | 2019-10-28 | Single-input double-output transmission switching mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921831679.3U CN210686878U (en) | 2019-10-28 | 2019-10-28 | Single-input double-output transmission switching mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN210686878U true CN210686878U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921831679.3U Active CN210686878U (en) | 2019-10-28 | 2019-10-28 | Single-input double-output transmission switching mechanism |
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| CN (1) | CN210686878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630703A (en) * | 2019-10-28 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
| CN113442682A (en) * | 2021-08-09 | 2021-09-28 | 上汽大众汽车有限公司 | Electronic air outlet |
-
2019
- 2019-10-28 CN CN201921831679.3U patent/CN210686878U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110630703A (en) * | 2019-10-28 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
| CN110630703B (en) * | 2019-10-28 | 2024-02-13 | 中国科学院合肥物质科学研究院 | Single-input double-output transmission switching mechanism |
| CN113442682A (en) * | 2021-08-09 | 2021-09-28 | 上汽大众汽车有限公司 | Electronic air outlet |
| CN113442682B (en) * | 2021-08-09 | 2022-08-09 | 上汽大众汽车有限公司 | Electronic air outlet |
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