Vertical gear shifting mechanism

Abstract

The utility model provides a vertical gear shifting mechanism. The vertical gear shifting mechanism comprises a box body, a driving motor, a gear shifting finger and a transmission mechanism, a containing groove is formed in the side face of the box body, the driving motor is arranged on one side of the box body, the transmission mechanism comprises a Y lead screw, an X shaft and a transmission piece, the Y lead screw is connected with the driving motor and stretches into the containing groove, the X shaft is rotationally arranged in the containing groove and is in transmission connection with the Y lead screw through the transmission piece, and the Y lead screw is connected with the X shaft through the transmission piece. The driving motor drives the X shaft to rotate through the Y lead screw and the transmission piece, and the gear shifting finger is connected with the X shaft and extends out of the containing groove. Compared with the prior art, the vertical gear shifting mechanism can be installed on one side of the transmission, so that the containing groove faces the side face of the transmission, the requirements of part of installation environments are met, and the overall structure is simple and stable.

Description

Technical Field

[0001] The utility model relates to the technical field of gear shifting, in particular to a vertical gear shifting mechanism. Background Art

[0002] The shift mechanism of new energy vehicles or new energy engineering machinery is generally installed horizontally on the gearbox, which is called the upper cover assembly. The gearbox is operated by an electric actuator to realize the automation of manual operation during gear shifting.

[0003] Currently, the shift mechanism is usually installed on the top of the transmission, which is difficult to install in some installation environments. Utility Model Content

[0004] The purpose of the utility model is to overcome the shortcomings and deficiencies in the prior art and provide a vertical gear shifting mechanism.

[0005] An embodiment of the utility model provides a vertical shift mechanism, comprising: a box, a drive motor, a shift finger and a transmission mechanism;

[0006] A accommodating groove is arranged on the side of the box body, the driving motor is arranged on one side of the box body, the transmission mechanism includes a Y screw rod, an X axis and a transmission member, the Y screw rod is connected to the driving motor and extends into the accommodating groove, the X axis is rotatably arranged in the accommodating groove and is transmission-connected to the Y screw rod through the transmission member, the driving motor drives the X axis to rotate through the Y screw rod and the transmission member, and the shift finger is connected to the X axis and extends out of the accommodating groove.

[0007] In some optional embodiments, the transmission member includes a transmission block and a transmission fork, the transmission block is transmission-connected to the Y-screw, the transmission fork is arranged on the X-axis and rotates with the transmission block, and when the Y-screw rotates, the transmission block is driven to translate, thereby driving the transmission fork to rotate.

[0008] In some optional embodiments, protrusions are provided on both sides of the transmission block, and two rotation grooves are provided on the transmission fork, and the rotation grooves are rotationally matched with the protrusions.

[0009] In some optional embodiments, a movable groove is provided in the accommodating groove, the Y screw rod is provided in the movable groove, a plurality of limit platforms are provided in the movable groove, and the plurality of limit platforms are respectively and evenly arranged in front and behind the moving direction of the transmission fork.

[0010] In some optional embodiments, part of the X-axis is inserted into the transmission fork, and the transmission fork is locked with the X-axis by a first locking screw;

[0011] Part of the X-axis is inserted into the shift finger, and the shift finger and the X-axis are locked together by a second locking screw.

[0012] In some optional embodiments, a first needle roller bearing is disposed in the accommodating groove, and a portion of the Y-screw rod is inserted into the first needle roller bearing.

[0013] In some optional embodiments, a second needle roller bearing is disposed in the receiving groove, and a portion of the X-axis passes through the second needle roller bearing.

[0014] In some optional embodiments, a plurality of first sealing gaskets are provided between the driving motor and the housing.

[0015] In some optional embodiments, an angle sensor is disposed on the outside of the box, and the end of the X-axis extends out of the box and is then connected to the angle sensor.

[0016] In some optional embodiments, a through hole is provided on the box body, a sleeve is provided in the through hole, part of the X-axis passes through the sleeve, the angle sensor is connected to the sleeve, and a plurality of second sealing gaskets are provided between the angle sensor and the sleeve.

[0017] Compared with the prior art, the vertical shift mechanism of the utility model can be installed on one side of the transmission, so that the accommodating groove faces the side of the transmission, which meets some installation environment requirements and has a simple and stable overall structure.

[0018] In order to more clearly understand the present invention, the specific implementation of the present invention will be described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a vertical shift mechanism according to an embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of one side of a vertical shift mechanism of an embodiment of the utility model;

[0021] Figure 3 The exploded view of the vertical shift mechanism according to one embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 10. Box body; 11. Receiving groove; 12. Mounting hole; 13. Movable groove; 14. Limiting platform; 15. First needle roller bearing; 16. Second needle roller bearing; 161. Thrust washer; 17. First sealing washer; 18. Angle sensor; 19. Bushing; 20. Drive motor; 30. Shift finger; 40. Transmission mechanism; 41. Y screw rod; 42. X axis; 43. Transmission member; 431. Transmission block; 432. Transmission fork; 433. Bump; 434. Rotating groove; 44. First locking screw; 45. Second locking screw; 46. Second sealing washer. DETAILED DESCRIPTION

[0024] The following will clearly and completely describe the technical solutions in the embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. In the description of the utility model, unless otherwise specified, "multiple" means 2 or more, and "several" means 1 or more. In addition, unless otherwise specified, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In the description of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In the description of the utility model, the description with reference to the terms "one embodiment", "some optional implementations" or "some optional embodiments" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0028] See also Figure 1 An embodiment of the utility model provides a vertical shift mechanism, including: a box body 10, a drive motor 20, a shift finger 30 and a transmission mechanism 40.

[0029] The side of the housing 10 is provided with a receiving groove 11, the driving motor 20 is provided at one side of the housing 10, the transmission mechanism 40 includes a Y screw rod 41, an X axis 42 and a transmission member 43, the Y screw rod 41 is connected to the driving motor 20 and extends into the receiving groove 11, the X axis 42 is rotatably provided in the receiving groove 11, and is connected to the Y screw rod 41 through the transmission member 43, the driving motor 20 drives the Y screw rod 41 to rotate, when the Y screw rod 41 rotates, the X axis 42 will be driven to rotate through the transmission member 43, the shift finger 30 is connected to the X axis 42 and extends out of the receiving groove 11, when the X axis 42 rotates, the shift finger 30 is driven to rotate, the shift finger 30 is used to connect with the speed change component of the transmission, and the shift finger 30 will realize the shift operation when it rotates. The housing 10 can be installed on one side of the transmission, so that the receiving groove 11 is opposite to the side of the transmission, which meets some installation environment requirements, and the overall structure is simple and stable.

[0030] In this embodiment, a plurality of mounting holes 12 arranged around the receiving groove 11 are provided on the side surface of the box body 10 , and the mounting holes 12 are used for screws to pass through.

[0031] The specific structure of the transmission member 43 can be designed according to actual needs. For example, in some optional embodiments, the transmission member 43 includes a transmission block 431 and a transmission fork 432. The transmission block 431 is connected to the Y screw rod 41 for transmission. The transmission fork 432 is set on the X-axis 42 and rotates with the transmission block 431. When the Y screw rod 41 rotates, it drives the transmission block 431 to translate. When the transmission block 431 moves, it will drive the transmission fork 432 to rotate. When the transmission fork 432 rotates, it drives the X-axis 42 to rotate.

[0032] In some optional embodiments, protrusions 433 are provided on both sides of the transmission block 431, and two rotating grooves 434 are provided on the transmission fork 432. The rotating grooves 434 rotate correspondingly with the protrusions 433, so as to facilitate the transmission fork 432 to rotate when the transmission block 431 moves.

[0033] In some optional embodiments, a movable groove 13 is provided in the accommodating groove 11, the Y screw rod 41 is provided in the movable groove 13, and a plurality of limit platforms 14 are provided in the movable groove 13. The plurality of limit platforms 14 are respectively and evenly arranged in front and rear of the moving direction of the transmission fork 432. The limit platforms 14 can limit the moving range of the transmission fork 432 to prevent the transmission fork 432 from colliding with other components and causing damage.

[0034] In addition, a sufficient gap can be left between the Y screw rod 41 and the X axis 42 to arrange the transmission member 43 .

[0035] In some optional embodiments, part of the X-axis 42 is inserted into the transmission fork 432, and the transmission fork 432 and the X-axis 42 are locked and matched by the first locking screw 44, so that the transmission fork 432 and the X-axis 42 are circumferentially limited. In this embodiment, the cross-section of the X-axis 42 is polygonal, elliptical, etc., and the transmission fork 432 is provided with a through hole matching the shape of the X-axis 42, and the X-axis 42 passes through the through hole, thereby further realizing the circumferential limit cooperation between the transmission fork 432 and the X-axis 42, and preventing the transmission fork 432 and the X-axis 42 from rotating relative to each other.

[0036] In some optional embodiments, part of the X-axis 42 is inserted into the shift finger 30, and the shift finger 30 and the X-axis 42 are locked and matched by the second locking screw 45, so that the shift finger 30 and the X-axis 42 are circumferentially limited. In this embodiment, the cross-section of the X-axis 42 is polygonal, elliptical, etc., and the shift finger 30 is provided with a through hole matching the shape of the X-axis 42. The X-axis 42 passes through the through hole, thereby further realizing the circumferential limit cooperation between the shift finger 30 and the X-axis 42, and preventing the shift finger 30 and the X-axis 42 from rotating relative to each other.

[0037] In some optional embodiments, a first needle roller bearing 15 is disposed in the accommodating groove 11, and a portion of the Y screw rod 41 is inserted into the first needle roller bearing 15. The needle roller bearing is a roller bearing with cylindrical rollers, and can withstand the radial load from the Y screw rod 41. A washer is disposed on the side of the first needle roller bearing 15 facing the Y screw rod 41.

[0038] A second needle bearing 16 is disposed in the receiving groove 11, and a portion of the X-axis 42 is passed through the second needle bearing 16 to withstand the radial load from the Y screw rod 41. A thrust washer 161 is disposed on the side of the second needle bearing 16 facing the Y screw rod 41.

[0039] In some optional embodiments, a plurality of first sealing gaskets 17 are provided between the driving motor 20 and the housing 10 , which is beneficial to improving the sealing between the driving motor 20 and the housing 10 .

[0040] In some optional embodiments, an angle sensor 18 is provided on the outside of the housing 10, and the end of the X-axis 42 extends out of the housing 10 and is then connected to the angle sensor 18. The angle sensor 18 is used to detect the angle of the X-axis 42, and then detect the angle of the shift finger 30. By detecting the angle of the shift finger 30, it can be determined whether the shift fork is rotated to an accurate angle, and thus it can be determined whether the speed change component is accurately shifted to the corresponding gear position. The structure and principle of the angle sensor 18 are well known to those skilled in the art, and will not be described in detail here.

[0041] In order to improve the structural stability, in some optional embodiments, a through hole is provided on the box body 10, a shaft sleeve 19 is provided in the through hole, a portion of the X-axis 42 is passed through the shaft sleeve 19, thereby providing support for the X-axis 42, and the angle sensor 18 is connected to the shaft sleeve 19, and a plurality of second sealing gaskets 46 are provided between the angle sensor 18 and the shaft sleeve 19, thereby improving the sealing between the angle sensor 18 and the shaft sleeve 19, thereby preventing dust and impurities from entering the shaft sleeve 19 into the receiving groove 11.

[0042] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A vertical shift mechanism, characterized in that: include: Box, drive motor, shift finger and transmission mechanism; The side of the box body is provided with a receiving groove, the driving motor is provided at one side of the box body, the transmission mechanism comprises a Y screw rod, an X axis and a transmission member, the Y screw rod is connected to the driving motor and extends into the receiving groove, the X axis is rotatably provided in the receiving groove and is transmission-connected to the Y screw rod through the transmission member, the driving motor drives the X axis to rotate through the Y screw rod and the transmission member, and the shift finger is connected to the X axis and extends out of the receiving groove; The transmission member includes a transmission block and a transmission fork. The transmission block is transmission-connected to the Y screw rod. The transmission fork is arranged on the X-axis and rotationally cooperates with the transmission block. When the Y screw rod rotates, the transmission block is driven to translate, thereby driving the transmission fork to rotate.

2. A vertical shift mechanism according to claim 1, characterized in that: Bumps are arranged on both sides of the transmission block, and two rotation grooves are arranged on the transmission fork, and the rotation grooves are correspondingly rotationally matched with the bumps.

3. A vertical shift mechanism according to claim 1, characterized in that: A movable groove is arranged in the accommodating groove, the Y screw rod is arranged in the movable groove, a plurality of limit platforms are arranged in the movable groove, and the plurality of limit platforms are evenly arranged in front and rear of the moving direction of the transmission fork.

4. A vertical shift mechanism according to claim 1, characterized in that: Part of the X-axis is inserted into the transmission fork, and the transmission fork is locked with the X-axis by a first locking screw; Part of the X-axis is inserted into the shift finger, and the shift finger and the X-axis are locked together by a second locking screw.

5. A vertical shift mechanism according to any one of claims 1 to 4, characterized in that: A first needle roller bearing is arranged in the accommodating groove, and part of the Y screw rod is passed through the first needle roller bearing.

6. A vertical shift mechanism according to any one of claims 1 to 4, characterized in that: A second needle roller bearing is arranged in the accommodating groove, and a portion of the X-axis is passed through the second needle roller bearing.

7. A vertical shift mechanism according to any one of claims 1 to 4, characterized in that: A plurality of first sealing gaskets are arranged between the driving motor and the box body.

8. A vertical shift mechanism according to any one of claims 1 to 4, characterized in that: An angle sensor is arranged on the outer side of the box body, and the end of the X-axis extends out of the box body and is then connected to the angle sensor.

9. A vertical shift mechanism according to claim 8, characterized in that: The box body is provided with a through hole, a shaft sleeve is provided in the through hole, a portion of the X-axis is passed through the shaft sleeve, the angle sensor is connected to the shaft sleeve, and a plurality of second sealing gaskets are provided between the angle sensor and the shaft sleeve.

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