Gear-shifting gear feedback device applied to gearbox

Abstract

The utility model provides a gear-shifting gear feedback device applied to a gearbox, and relates to the technical field of all-terrain vehicles. The device comprises a shell assembly, the potentiometer is arranged on the outer side wall of the shell assembly and is electrically connected with the control panel; the speed regulation rod penetrates through the shell assembly, and gear shifting and speed regulation are carried out by axially moving the speed regulation rod; and the gear assembly is located in the shell assembly, and the speed regulating rod is in transmission connection with a contact of the potentiometer through the gear assembly. According to the gearbox, the gear assembly and the potentiometer are combined together through the shell assembly of the box type structure, the linear motion of the speed regulating rod is transmitted to the potentiometer through the gear assembly, and the gear engaged by the gearbox is judged according to the contact moving position measured by the potentiometer, so that the gear is fed back to a control panel. On the whole, the structure is compact, the occupied space is small, and gear information can be reflected in time.

Description

TECHNICAL FIELD

[0001] The utility model relates to all terrain vehicle technical field especially is applied to the gear shifting gear feedback device of gearbox. BACKGROUND

[0002] All terrain vehicle refers to the vehicle that can run on any terrain, and walks freely on the terrain that ordinary vehicle is difficult to maneuver; the vehicle type of all terrain vehicle has multiple purposes, and is not limited by road conditions, and high-low speed conversion can be realized; for the gearbox of all terrain vehicle, the deformation of shift lever occurs to a certain extent in the long-time use process, causes signal distortion, influences gear information feedback to the control panel, and the gear position cannot be accurately reacted.

[0003] Therefore, the gear shifting gear feedback device applied to the gearbox that can timely react gear information is urgently needed. UTILITY MODEL CONTENT

[0004] The utility model discloses a gear shifting gear feedback device applied to the gearbox, solve the technical problem that the deformation of shift lever influences gear information feedback in the prior art. The preferred technical scheme of the many technical schemes provided by the utility model can produce many technical effects, which are described below.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The utility model provides a gear shifting gear feedback device applied to the gearbox, which comprises:

[0007] A shell assembly;

[0008] A potentiometer is installed on the outer side wall of the shell assembly and electrically connected with the control panel;

[0009] A speed adjusting rod penetrates through the shell assembly and is shifted by axially moving the speed adjusting rod;

[0010] A gear assembly is located in the shell assembly, and the speed adjusting rod is transmissionally connected between the gear assembly and the contact point of the potentiometer.

[0011] Preferably, the potentiometer is a rotary potentiometer, and the rotary shaft of the potentiometer is located in the shell assembly.

[0012] Preferably, the gear assembly further comprises:

[0013] A gear is located in the shell assembly and coaxially fixedly sleeved on the rotary shaft of the potentiometer;

[0014] A rack is fixedly connected to the side wall of the speed regulating rod in the axial direction and is in meshing engagement with the gear.

[0015] Preferably, the shell assembly comprises:

[0016] A gear testing device cover shell, the speed regulating rod penetrates through the opposite side walls of the gear testing device cover shell;

[0017] A gear testing device cover cover is detachably connected to the opening of the gear testing device cover shell, and the potentiometer is fixedly connected to the outer side wall of the gear testing device cover cover.

[0018] Preferably, the shell assembly further comprises:

[0019] A through hole is formed in the opposite side walls of the gear testing device cover shell, and the speed regulating rod penetrates through the two groups of through holes.

[0020] Preferably, the second end of the speed regulating rod is connected with a gear shifting pull wire in the cab.

[0021] Preferably, the rotating shaft of the potentiometer is arranged perpendicularly to the speed regulating rod.

[0022] In the technical scheme of the utility model, the gear assembly and the potentiometer are combined together through a box type shell assembly, the linear motion of the speed regulating rod is transmitted to the potentiometer through the gear assembly, the moving position of the contact point measured by the potentiometer is used to determine the gear position of the gearbox, and the gear position is fed back to the control panel. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0024] Fig. 1 It is the overall structure schematic view of the utility model;

[0025] Fig. 2 It is the meshing schematic view of the gear and the rack of the utility model;

[0026] Fig. 3 It is the schematic view of the gear shifting shaft, the speed reducing gear and the speed increasing gear of the utility model.

[0027] 1, gear test device cover shell; 2, gear test device cover; 3, potentiometer; 4, speed regulating rod; 5, gear; 6, rack; 7, through hole; 8, shift shaft; 9, shift fork; 10, transmission gear; 11, speed reducer; 12, speed increaser; 13, transmission shaft. DETAILED DESCRIPTION

[0028] To make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope protected by the utility model.

[0029] Reference Figs. 1-3 The specific embodiment of the utility model provides a kind of applied to gearbox shift gear feedback device, comprising:

[0030] Shell assembly;

[0031] Potentiometer 3, potentiometer 3 is installed on the outer side wall of shell assembly, and is electrically connected with control panel;

[0032] Speed regulating rod 4, speed regulating rod 4 penetrates shell assembly, and gear shifting speed regulation is carried out by the axial movement of speed regulating rod 4;

[0033] Gear assembly, gear assembly is located in shell assembly, and speed regulating rod 4 is transmissionally connected between the contact point of potentiometer 3 by gear assembly.

[0034] For all terrain vehicle gearbox, transmission lever appears a certain degree of deformation in long time use process, causes signal distortion, affects gear information feedback to control panel, cannot accurately react gear position.In the application, a box type structure shell assembly is used, gear assembly and potentiometer 3 are combined together, linear motion of speed regulating rod 4 is transmitted to potentiometer 3 by gear assembly, and the contact point moving position measured by potentiometer 3 is used to judge the gear of gearbox, so as to be fed back to control panel.Overall, the application has compact structure, small space occupation, and can timely react gear information.

[0035] Further optimization scheme, potentiometer 3 adopts rotary potentiometer, and the rotating shaft of potentiometer 3 is located in shell assembly.

[0036] By driving speed regulating rod 4 to move linearly along the axis, the rotating shaft of potentiometer 3 is driven to rotate by gear assembly, i.e. the rotation angle signal is measured, so as to be fed back to control panel, and the gear of gearbox is judged by control panel.

[0037] Further optimization scheme, gear assembly further comprises:

[0038] Gear 5, gear 5 is located in the shell assembly, and coaxially fixedly sleeved on the rotating shaft of the potentiometer 3;

[0039] Rack 6, rack 6 is fixedly connected to the side wall of the speed regulating rod 4 along the axial direction, and is meshingly arranged with the gear 5.

[0040] The speed regulating rod 4 moves linearly, synchronously drives the rack 6, drives the rotating shaft of the potentiometer 3 to rotate through the meshing of the rack 6 and the gear 5, so as to measure the rotation angle signal.

[0041] Further optimization scheme, the shell assembly comprises:

[0042] Gear test device cover shell 1, speed regulating rod 4 penetrates through the opposite side walls of the gear test device cover shell 1;

[0043] Gear test device cover cover 2, gear test device cover cover 2 is detachably connected at the opening of the gear test device cover shell 1, and the potentiometer 3 is fixedly connected to the outer side wall of the gear test device cover cover 2.

[0044] The gear test device cover shell 1 is a cavity structure, and the gear assembly is sealed in the cavity structure through the gear test device cover cover 2, which helps to save installation space.

[0045] Further optimization scheme, the shell assembly further comprises:

[0046] Through hole 7, the opposite side walls of the gear test device cover shell 1 are respectively provided with through holes 7, and the speed regulating rod 4 penetrates through the two groups of through holes 7.

[0047] The speed regulating rod 4 penetrates through the two groups of through holes 7, and is slidably arranged with the through holes 7.

[0048] Further optimization scheme, the second end of the speed regulating rod 4 is connected with the gear shifting pull wire in the cab.

[0049] As Fig. 3As shown, the first end of the speed regulating rod 4 is coaxially fixedly connected with the gear shifting shaft 8 to form an integral structure, the gear shifting shaft 8 is provided with a shift fork 9; the reduction gear 11 and the speed increasing gear 12 are coaxially fixedly connected and axially sleeved on the transmission shaft 13, the shift fork 9 is limited (axially limited) in the clamping groove (not marked in the figure) between the reduction gear 11 and the speed increasing gear 12, the shift fork 9 can axially push the reduction gear 11 and the speed increasing gear 12 to move, the transmission gear 10 is coaxially fixedly connected with the transmission shaft 13; the power input end drives the transmission shaft 13 to rotate through the reduction gear 11 or the speed increasing gear 12, the transmission shaft 13 transmits power to the power output end through the transmission gear 10; when the reduction gear 11 is engaged with the power input end, it corresponds to the reduction gear; when the speed increasing gear 12 is engaged with the power input end, it corresponds to the speed increasing gear; when the power input end is not engaged with the reduction gear 11 or the speed increasing gear 12, it corresponds to the neutral gear.

[0050] The gear shifting shaft 8 (or the speed regulating rod 4) is axially moved by manual or electric means, the shift fork 9 drives the reduction gear 11 and the speed increasing gear 12 to move, so as to realize the conversion of the low speed gear or the high speed gear or the neutral gear; when the gear shifting pull wire in the cab is operated to drive the speed regulating rod 4 and the gear shifting shaft 8 to move synchronously, the gear shifting information is obtained through the potentiometer 3 at the same time.

[0051] Further optimization scheme, the rotating shaft of the potentiometer 3 is perpendicular to the speed regulating rod 4.

[0052] In this way, the gear rack 6 and the gear 5 can be smoothly engaged, and the gear position information can be easily obtained.

[0053] It should be noted that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicated in this paper indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing this application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting this application. In addition, the terms "first", "second", "third" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0054] In the description herein, it also needs to be explained that, unless explicitly specified and limited, the terms "mount", "connect", "connection" should be understood broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through intermediate medium. For those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0055] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A gear shift position feedback device applied to a gearbox, characterized by, The utility model relates to a gear shift testing device, which comprises: a housing assembly; a potentiometer (3) mounted on the outer side wall of the housing assembly and electrically connected with a control panel; a speed regulation lever (4) penetrating through the housing assembly, which is used for gear shift speed regulation by axial movement; a gear assembly located in the housing assembly, and the speed regulation lever (4) is in transmission connection between the contact point of the potentiometer (3) through the gear assembly.

2. The application for a gearbox shift range feedback device according to claim 1, characterized in that, The potentiometer (3) is a rotary potentiometer, and the rotary shaft of the potentiometer (3) is located in the housing assembly.

3. The application for a gearbox shift gate feedback device of claim 1, wherein, The gear assembly further comprises: a gear (5) located in the housing assembly and coaxially fixedly sleeved on the rotary shaft of the potentiometer (3); a rack (6) fixedly connected on the side wall of the speed regulation lever (4) in the axial direction and meshingly arranged with the gear (5).

4. The application for a gearbox shift gate feedback device of claim 1, wherein, The housing assembly comprises: a gear shift testing device cover housing (1), and the speed regulation lever (4) penetrates through the opposite side walls of the gear shift testing device cover housing (1); a gear shift testing device cover cover (2) detachably connected at the opening of the gear shift testing device cover housing (1), and the potentiometer (3) is fixedly connected on the outer side wall of the gear shift testing device cover cover (2).

5. The application for a gearbox shift range feedback device of claim 4, wherein, The housing assembly further comprises: a through hole (7) respectively arranged on the opposite side walls of the gear shift testing device cover housing (1), and the speed regulation lever (4) penetrates through the two groups of through holes (7).

6. The application for a gearbox shift gate feedback device of claim 1, wherein, The second end of the speed regulation lever (4) is connected with a gear shift pull cable in the cab.

7. The application for a gearbox shift gate feedback device of claim 1, wherein, The rotary shaft of the potentiometer (3) is arranged perpendicularly to the speed regulation lever (4).

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