Front loading control device
By using a hydraulic valve return function and a movable locking mechanism in the tractor's front loader control device, the problem of low shifter return efficiency is solved, achieving more efficient return and operating convenience, and reducing production costs.
Patent Information
- Application Number
- CN202423115223.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-17
AI Technical Summary
In the prior art, the shifter return efficiency of the tractor front loading control device is low, and the reliance on spring-assisted return is poor, which increases production costs.
A motion component is set inside the shifter, and the return of the soft shaft and the motion component is achieved through the automatic return function of the hydraulic valve, the spring assistance is cancelled, and the movable installation of the locking mechanism is combined to achieve limit and cancellation.
The return efficiency of the shifter is improved, the production cost is reduced, and the convenience and comfort of operation are improved.
Smart Images
Figure CN223443321U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tractor field especially relates to a front loading control device. BACKGROUND
[0002] The front loading control device of tractor is a device used for controlling and operating the auxiliary equipment of tractor in the driver's cab of tractor, and its working process is that the driver controls the components in the shift lever through the operating lever, and then controls the valve of external equipment through the soft shaft. SUMMARY
[0003] The utility model wants to solve the technical problem of providing a front loading control device to solve the above problems.
[0004] The utility model solves the technical problem that the technical scheme is as follows: a front loading control device, include: hand control mechanism, shift lever, locking mechanism, two soft shafts and two protective rubber sleeves, hand control mechanism and soft shaft are arranged above and below shift lever respectively, locking mechanism is movably installed on shift lever, two protective rubber sleeves are respectively set on two soft shafts, two movement assemblies are arranged in shift lever, the top of soft shaft is connected with movement assembly, the bottom is connected with hydraulic valve, and the soft shaft and movement assembly are reset by the reset of hydraulic valve.
[0005] The utility model has the advantages that by setting movement assembly in shift lever, and connecting movement assembly with soft shaft and hydraulic valve, it is beneficial to cancel the spring set on movement assembly in the prior art, and the movement assembly in shift lever is reset by the automatic reset function of hydraulic valve, the reset efficiency is improved, the processing cost of front loading control device is reduced, and locking mechanism is movably installed on shift lever, which is beneficial to realize the limiting and canceling of movement assembly by pushing and pulling, and the convenience of operation is improved.
[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.
[0007] Further, the gear shifter further comprises two gear shifter housings, a rotating seat and a limiting assembly; the two gear shifter housings are symmetrically connected, the movement assembly is arranged in the gear shifter housing at the bottom end and penetrates through the gear shifter housing at the top end, the movement assembly is movably connected with the locking mechanism, the rotating seat is arranged at the top end of the gear shifter housing, and the limiting assembly is arranged in the gear shifter housing and abuts against the locking mechanism.
[0008] The beneficial effect of the above further scheme is that the symmetric connection of the two gear shifter housings is conducive to providing installation and displacement space for the movement assembly, the rotating seat and the limiting assembly, and also providing space for the pushing and pulling of the locking mechanism and the limiting of the movement assembly.
[0009] Further, the movement assembly comprises a movement shaft and a limiting bushing, the limiting bushing is sleeved on the movement shaft, the limiting bushing is arranged in the gear shifter housing, and the bottom end of the movement shaft is connected with the top end of the soft shaft.
[0010] The beneficial effect of the above further scheme is that the limiting bushing is conducive to limiting the axial movement of the movement shaft, so that the movement shaft transmits the displacement of the operating lever to the soft shaft to realize the operation of the hydraulic valve in the external device.
[0011] Further, the hand operating mechanism comprises a handle ball, a handle rod and a mounting seat, the handle ball and the mounting seat are arranged at the top end and the bottom end of the handle rod respectively, and the mounting seat is hinged with the top end of the movement shaft and the rotating seat.
[0012] The beneficial effect of the above further scheme is that the handle ball is conducive to manually operating the handle rod by the driver, and transmitting power to the movement assembly through the handle rod and the mounting seat to realize the operation of the hydraulic valve of the external device.
[0013] Further, the handle rod is arranged in a bent manner, and the handle ball is arranged close to the hand of the driver.
[0014] The beneficial effect of the above further scheme is that the handle rod arranged in a bent manner has the handle ball arranged close to the hand of the driver, which is conducive to improving the comfort of the driver when operating the handle ball and avoiding fatigue caused by long-time forward body operation.
[0015] Further, a plurality of gear shifter assembly holes and a plurality of gear shifter fixing holes are arranged on the gear shifter housing, and the plurality of gear shifter assembly holes and the plurality of gear shifter fixing holes on the two gear shifter housings are correspondingly arranged and fixed by bolts.
[0016] The beneficial effect of the further scheme is that the shift knob assembly hole is conducive to the fixation of the two shift knob housings, provides installation and displacement space for the movement assembly, the rotating seat and the limiting assembly, and the shift knob fixing hole is conducive to the installation of the shift knob on other components and provides support for the operation of the front operating device.
[0017] Further, the shift knob housing is provided with an installation groove, and the limiting assembly is arranged in the installation groove.
[0018] The beneficial effect of the further scheme is that the installation groove is conducive to providing installation space for the limiting assembly to push and pull the locking mechanism.
[0019] Further, the limiting assembly comprises a return spring and a steel ball, the return spring is arranged in the installation groove, and the steel ball is fixedly installed at the top end of the return spring and abuts against the locking mechanism.
[0020] The beneficial effect of the further scheme is that the return spring is conducive to providing support force for the steel ball to abut against the locking mechanism during the pushing and pulling of the locking mechanism.
[0021] Further, the locking mechanism comprises a locking handle and a locking rod, the locking rod is movably arranged in the shift knob housing, and the locking handle is connected with one end of the locking rod away from the shift knob housing.
[0022] The beneficial effect of the further scheme is that the locking handle is conducive to realizing the displacement of the locking rod in the shift knob by pushing and pulling, thereby realizing the limiting and canceling of the limiting of the movement shaft.
[0023] Further, the locking rod is provided with two movement shaft locking grooves and a steel ball limiting hole, when the locking rod moves in the shift knob housing, the two movement shaft locking grooves are movably connected with the movement shafts in the two movement assemblies respectively, and the steel ball is adaptively arranged in the steel ball limiting hole.
[0024] The beneficial effect of the further scheme is that the movement shaft locking groove is movably connected with the movement shaft, which is conducive to realizing the axial limiting and canceling of the movement shaft, and the steel ball is adaptively arranged in the steel ball limiting hole, which is conducive to providing limiting for the pushing and pulling of the locking rod in the shift knob. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 The overall structure schematic view provided by the embodiment of the utility model;
[0026] Figure 2 The connection schematic view of the shift knob and the locking mechanism provided by the embodiment of the utility model;
[0027] Figure 3A schematic diagram of the internal structure of a shifter provided in an embodiment of the present utility model;
[0028] Figure 4 A schematic structural diagram of a locking mechanism provided in an embodiment of the present utility model;
[0029] Figure 5 This is a structural diagram of the hand-operated mechanism provided in an embodiment of the utility model.
[0030] In the accompanying drawings, the components represented by the reference numerals are as follows:
[0031] 1. Hand operating mechanism; 2. Shifter; 3. Locking mechanism; 4. Flexible shaft; 5. Protective rubber sleeve; 11. Handle ball; 12. Handle rod; 13. Mounting seat; 21. Shifter housing; 22. Moving assembly; 23. Rotating seat; 24. Limiting assembly; 31. Locking handle; 32. Locking rod; 211. Shifter assembly hole; 212. Shifter fixing hole; 213. Mounting slot; 221. Moving shaft; 222. Limiting bushing; 241. Return spring; 242. Steel ball; 321. Moving shaft locking slot; 322. Steel ball limiting hole. DETAILED DESCRIPTION
[0032] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.
[0033] like Figures 1 to 3 As shown, a front-loading operating device includes: a hand-operated mechanism 1, a shifter 2, a locking mechanism 3, two flexible shafts 4 and two protective rubber sleeves 5; the hand-operated mechanism 1 and the flexible shaft 4 are respectively arranged above and below the shifter 2, the locking mechanism 3 is movably mounted on the shifter 2, the two protective rubber sleeves 5 are respectively sleeved on the two flexible shafts 4, and two moving components 22 are provided in the shifter 2, the top end of the flexible shaft 4 is connected to the moving component 22, and the bottom end is connected to the hydraulic valve, and the flexible shaft 4 and the moving component 22 are returned by returning the hydraulic valve.
[0034] The beneficial effects of the present invention are as follows: by arranging a moving component inside the shifter, and connecting the moving component to the flexible shaft and then to the hydraulic valve, it is beneficial to eliminate the spring sleeved on the moving component in the prior art, and use the automatic return function of the hydraulic valve to return the moving component in the shifter, thereby improving the return efficiency and reducing the processing cost of the front-loading operating device. At the same time, the locking mechanism is movably installed on the shifter, which is beneficial to limiting and canceling the limit of the moving component by pushing and pulling, thereby improving the convenience of operation.
[0035] Preferably, Figure 2 and Figure 3As shown in the figure, the gear shifter 2 further comprises two gear shifter housings 21, a rotating seat 23 and a limiting assembly 24; the two gear shifter housings 21 are symmetrically connected, the movement assembly 22 is arranged in the gear shifter housing 21 at the bottom end and penetrates through the gear shifter housing 21 at the top end, the movement assembly 22 is movably connected with the locking mechanism 3, the rotating seat 23 is arranged at the top end of the gear shifter housing 21, and the limiting assembly 24 is arranged in the gear shifter housing 21 and abuts against the locking mechanism 3.
[0036] The above-mentioned preferred scheme has the beneficial effect that the symmetric connection of the two gear shifter housings is conducive to providing installation and displacement space for the movement assembly, the rotating seat and the limiting assembly, and also provides space for the pushing and pulling of the locking mechanism and the limiting of the movement assembly.
[0037] Preferably, as shown in the figures, Figure 2 and Figure 3 As shown in the figure, the movement assembly 22 comprises a movement shaft 221 and a limiting bushing 222, the limiting bushing 222 is sleeved on the movement shaft 221, the limiting bushing 222 is arranged in the gear shifter housing 21, and the bottom end of the movement shaft 221 is connected with the top end of the soft shaft 4.
[0038] The above-mentioned preferred scheme has the beneficial effect that the limiting bushing is conducive to limiting the axial movement of the movement shaft, so that the movement shaft transmits the displacement of the operating lever to the soft shaft, thereby realizing the operation of the hydraulic valve in the external device.
[0039] Preferably, as shown in the figure, Figure 5 The hand operating mechanism 1 comprises a handle ball 11, a handle rod 12 and a mounting seat 13, the handle ball 11 and the mounting seat 13 are arranged at the top end and the bottom end of the handle rod 12 respectively, and the mounting seat 13 is hinged with the top end of the movement shaft 221 and the rotating seat 23.
[0040] The above-mentioned preferred scheme has the beneficial effect that the handle ball is conducive to the manual operation of the handle rod by the driver, and transmits the power to the movement assembly through the handle rod and the mounting seat, thereby realizing the operation of the hydraulic valve in the external device.
[0041] Preferably, the handle rod 12 is arranged in a bent manner, and the handle ball 11 is arranged close to the hand of the driver.
[0042] The above-mentioned preferred scheme has the beneficial effect that the handle rod is arranged in a bent manner, and the handle ball is arranged close to the hand of the driver, which is conducive to improving the comfort of the driver when operating the handle ball and avoiding the fatigue caused by long-time forward body operation.
[0043] Preferably, as shown in the figures, Figure 2 and Figure 3As shown in the figure, the gear shifter housing 21 is provided with a plurality of gear shifter assembly holes 211 and a plurality of gear shifter fixing holes 212, and the plurality of gear shifter assembly holes 211 and the plurality of gear shifter fixing holes 212 on the two gear shifter housings 21 are correspondingly provided and fixed by bolt connection.
[0044] The beneficial effect of the above preferred scheme is that the gear shifter assembly hole is conducive to the fixation of the two gear shifter housings, providing installation and displacement space for the motion assembly, the rotating seat and the limiting assembly, and the gear shifter fixing hole is conducive to the installation of the gear shifter on other components, providing support for the operation of the front operating device.
[0045] Preferably, as shown in the figure, Figure 3 As shown in the figure, the gear shifter housing 21 is provided with an installation groove 213, and the limiting assembly 24 is arranged in the installation groove 213.
[0046] The beneficial effect of the above preferred scheme is that the installation groove is conducive to providing installation space for the limiting assembly to push and pull the locking mechanism.
[0047] Preferably, as shown in the figure, Figure 3 As shown in the figure, the limiting assembly 24 includes a return spring 241 and a steel ball 242, the return spring 241 is arranged in the installation groove 213, and the steel ball 242 is fixedly installed at the top end of the return spring 241 and abuts against the locking mechanism 3.
[0048] The beneficial effect of the above preferred scheme is that the return spring is conducive to providing support force for the steel ball to abut against the locking mechanism during the pushing and pulling of the locking mechanism.
[0049] Preferably, as shown in the figure, Figure 4 As shown in the figure, the locking mechanism 3 includes a locking handle 31 and a locking rod 32, the locking rod 32 is movably arranged in the gear shifter housing 21, and the locking handle 31 is connected with the end of the locking rod 32 away from the gear shifter housing 21.
[0050] The beneficial effect of the above preferred scheme is that the locking handle is conducive to realizing the displacement of the locking rod inside the gear shifter by pushing and pulling, thereby realizing the limiting and canceling of the limiting of the motion shaft.
[0051] Preferably, as shown in the figure, Figure 4 As shown in the figure, the locking rod 32 is provided with two motion shaft locking grooves 321 and a steel ball limiting hole 322, and when the locking rod 32 moves in the gear shifter housing 21, the two motion shaft locking grooves 321 are movably connected with the motion shaft 221 in the two motion assemblies 22 respectively, and the steel ball 242 is adaptively arranged in the steel ball limiting hole 322.
[0052] The beneficial effect of the preferred scheme is that the movement shaft locking clamping groove is movably clamped with the movement shaft, which is beneficial to realize the axial limiting and canceling of the movement shaft, and the steel ball is matched and arranged in the steel ball limiting hole, which is beneficial to provide limiting for the push and pull of the locking rod in the gear shifter.
[0053] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.
[0054] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.
[0055] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0056] In the present application, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0057] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.
[0058] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.
Claims
1. A front loading control device, characterized in that: include: A hand operating mechanism (1), a shifter (2), a locking mechanism (3), two flexible shafts (4) and two protective rubber sleeves (5); The hand-operated mechanism (1) and the flexible shaft (4) are respectively arranged above and below the shifter (2); the locking mechanism (3) is movably mounted on the shifter (2); the two protective rubber sleeves (5) are respectively sleeved on the two flexible shafts (4); two moving components (22) are arranged in the shifter (2); the top end of the flexible shaft (4) is connected to the moving component (22), and the bottom end is connected to the hydraulic valve; and the flexible shaft (4) and the moving component (22) are returned to their original positions by the return of the hydraulic valve.
2. A front loading manipulation device according to claim 1, characterized in that: The shifter (2) further comprises: two shifter housings (21), a rotating seat (23) and a limiting assembly (24); the two shifter housings (21) are symmetrically connected, the bottom end of the moving assembly (22) is arranged in the shifter housing (21), and the top end passes through the shifter housing (21), the moving assembly (22) is movably connected to the locking mechanism (3), the rotating seat (23) is arranged at the top end of the shifter housing (21), and the limiting assembly (24) is arranged in the shifter housing (21) and abuts against the locking mechanism (3).
3. A front loading control device according to claim 2, characterized in that: The motion assembly (22) comprises a motion shaft (221) and a limiting bushing (222), wherein the limiting bushing (222) is sleeved on the motion shaft (221), the limiting bushing (222) is arranged in the shifter housing (21), and the bottom end of the motion shaft (221) is connected to the top end of the flexible shaft (4).
4. A front loading manipulation device according to claim 3, characterized in that: The hand-operated mechanism (1) comprises a handle ball (11), a handle rod (12) and a mounting seat (13); the handle ball (11) and the mounting seat (13) are respectively arranged at the top end and the bottom end of the handle rod (12); and the mounting seat (13) is hinged to the top end of the motion shaft (221) and the rotating seat (23).
5. A front loading manipulation device according to claim 4, characterized in that: The handle rod (12) is bent and arranged, and the handle ball (11) is arranged near the driver's hand.
6. A front loading manipulation device according to claim 3, characterized in that: The shifter housing (21) is provided with a plurality of shifter assembly holes (211) and a plurality of shifter fixing holes (212); the plurality of shifter assembly holes (211) and the plurality of shifter fixing holes (212) on the two shifter housings (21) are respectively provided correspondingly and are fixed by bolt connection.
7. A front loading manipulation device according to claim 3, characterized in that: A mounting groove (213) is provided in the shifter housing (21), and the limiting assembly (24) is provided in the mounting groove (213).
8. A front loading manipulation device according to claim 7, characterized in that: The limiting assembly (24) comprises a return spring (241) and a steel ball (242); the return spring (241) is arranged in the mounting groove (213); the steel ball (242) is fixedly mounted on the top of the return spring (241) and abuts against the locking mechanism (3).
9. A front loading manipulator according to claim 8, characterized in that: The locking mechanism (3) comprises a locking handle (31) and a locking rod (32), wherein the locking rod (32) is movably arranged in the shifter housing (21), and the locking handle (31) is connected to an end of the locking rod (32) away from the shifter housing (21).
10. A front loading manipulator according to claim 9, characterized in that: The locking rod (32) is provided with two motion shaft locking slots (321) and a steel ball limiting hole (322). When the locking rod (32) moves in the shifter housing (21), the two motion shaft locking slots (321) are movably engaged with the motion shafts (221) in the two motion components (22), respectively, and the steel ball (242) is adapted to be arranged in the steel ball limiting hole (322).