Wheel tractor steering wheel adjusting device

Abstract

The utility model relates to the technical field of tractors, in particular to a wheel type tractor steering wheel adjusting device which comprises a steering wheel body, an adjusting sleeve, a base, a limiting rod, two pressing mechanisms, two connecting arms, two sliding components, two locking arms and two locking plates. The limiting rod, the two pressing mechanisms, the two connecting arms, the two sliding components and the two locking arms are arranged on the adjusting sleeve, the two pressing mechanisms are detachably connected with the limiting rod, each connecting arm is fixedly connected with the corresponding pressing mechanism, one end of each sliding component is fixedly connected with the corresponding connecting arm, and the other end of each sliding component is fixedly connected with the corresponding locking arm. Each locking arm is detachably connected with the corresponding sliding component and matched with the corresponding locking plate, and through the structural arrangement, the problems that when a locking bolt handle is used for locking the locking block for a long time, damage is likely to happen, the locking block cannot be locked continuously, and the height of the steering wheel cannot be adjusted are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tractors, in particular to a steering wheel adjusting device for wheeled tractors. Background Art

[0002] At present, the height of the steering wheel of the existing tractors cannot be adjusted during use, which brings certain difficulties to the driver's operation due to the large difference in the height of the drivers. At the same time, the steering wheels of existing tractors are directly connected to the pipe column through a connecting block, with only one support point. Once the force is too large, it is easy to be damaged or even broken. The support is not firm and the structural strength is poor, which poses a safety hazard during driving.

[0003] In order to solve the above problems, the prior art CN206336323U provides a wheeled tractor steering wheel adjustment device, comprising a base, a pipe column arranged on the base, an adjustment sleeve slidably sleeved on the pipe column and cooperating with the adjustment sleeve, an adjustment groove is provided on the adjustment sleeve, a locking block slidably provided in the adjustment groove and cooperating with the pipe column, a locking bolt handle is provided on the locking block, the upper end of the adjustment sleeve is connected to the steering wheel through a connecting block, a plurality of oblique fixing rods are evenly arranged on the outer side of the lower end of the steering wheel, a sliding cavity is provided in the oblique fixing rod, and one end of the oblique connecting rod is slidably provided on the outer side of the steering wheel. The cam is secured to the cam face for urging the driver to move the vehicle, and the cam is secured to the cam face for urging the driver to move the vehicle. The cam is secured to the cam face for urging the driver to move the vehicle. The cam is secured to the cam face for urging the driver to move the vehicle.

[0004] However, in the above-mentioned prior art, when the locking block is locked by the locking bolt handle for a long time, it is easy to be damaged, resulting in the inability to continue to lock the locking block and the inability to adjust the height of the steering wheel. Summary of the Invention

[0005] The purpose of the utility model is to provide a steering wheel adjustment device for a wheeled tractor, which solves the technical problem in the prior art that when a locking block is locked for a long time using a locking bolt handle, it is easy to be damaged, resulting in the inability to continue locking the locking block and the inability to adjust the height of the steering wheel.

[0006] To achieve the above-mentioned purpose, the utility model adopts a wheel tractor steering wheel adjustment device, including a steering wheel body, an adjustment sleeve, a base, a limit rod, two pressing mechanisms, two connecting arms, two sliding components, two locking arms and two locking plates, the adjustment sleeve is detachably connected to the steering wheel body and is located at the lower end of the steering wheel body, the base is slidably connected to the adjustment sleeve and is located at one end of the adjustment sleeve, each of the lock plates has a plurality of lock holes, and a plurality of the lock holes are arranged on the lock plate, the two lock plates are fixedly connected to the base and are symmetrically arranged inside the base, the limit rod, two The pressing mechanism, the two connecting arms, the two sliding parts and the two locking arms are respectively arranged on the adjusting sleeve, the two pressing mechanisms are detachably connected to the limit rod and are symmetrically arranged at one end of the limit rod, each connecting arm is fixedly connected to the corresponding pressing mechanism and is located at one end of the corresponding pressing mechanism, one end of each sliding part is fixedly connected to the corresponding connecting arm and is located at one end of the corresponding connecting arm, each locking arm is detachably connected to the corresponding sliding part and is located at one end of the corresponding sliding part, and each locking arm cooperates with the corresponding lock plate.

[0007] Wherein, each of the pressing mechanisms includes a button and a return spring, and the return spring is fixedly connected to the button and is located at one end of the button.

[0008] Each of the connecting arms includes a connecting ring and an arm body, the connecting ring is fixedly connected to the button and is located at one end of the button, and the arm body is fixedly connected to the connecting ring and is located at one end of the connecting ring.

[0009] Among them, each sliding component includes a slide rail, a slider and an extrusion spring, one end of the slider is slidably connected to the slide rail and is located inside the slide rail, the other end of the slider is fixedly connected to the arm body and is located at one end of the arm body, and the extrusion springs are fixedly connected to the slide rail and the slider and are located at one end of the slide rail and the slider.

[0010] Each locking arm includes a connecting block and a locking rod, wherein the connecting block is fixedly connected to the slider and is located at one end of the slider, and the locking rod is fixedly connected to the connecting block and is located at one end of the connecting block.

[0011] The utility model discloses a wheel tractor steering wheel adjustment device, each of the lock plates has a plurality of lock holes, and the plurality of lock holes are arranged on the lock plates. Two lock plates are fixedly connected to the base and are symmetrically arranged inside the base. The limit rod, the two pressing mechanisms, the two connecting arms, the two sliding components and the two locking arms are respectively arranged on the adjustment sleeve. The two pressing mechanisms are detachably connected to the limit rod and are symmetrically arranged at one end of the limit rod. Each connecting arm is fixedly connected to the corresponding pressing mechanism and is located at one end of the corresponding pressing mechanism. One end of each sliding component is fixedly connected to the corresponding connecting arm and is located at one end of the corresponding connecting arm. When the two locking arms are engaged, the two locking parts are engaged, and the two locking parts are engaged, so that the locking parts can be engaged, and the steering column can be adjusted accordingly. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0013] Figure 1 The utility model is a structural schematic diagram of a steering wheel adjustment device for a wheeled tractor.

[0014] Figure 2 The utility model is a side view of a steering wheel adjustment device for a wheeled tractor.

[0015] Figure 3 This utility model Figure 2 Structural cross-sectional view of line AA.

[0016] Figure 4 This utility model Figure 3 A magnified view of the structure at point B.

[0017] 101-steering wheel body, 102-adjusting sleeve, 103-base, 104-limiting rod, 105-lock plate, 106-lock hole, 107-button, 108-reset spring, 109-connecting ring, 110-arm body, 111-slide rail, 112-slider, 113-extrusion spring, 114-connecting block, 115-locking rod. DETAILED DESCRIPTION

[0018] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0019] See also Figures 1 to 4 ,in Figure 1 This is a structural diagram of a steering wheel adjustment device for a wheeled tractor according to the present invention. Figure 2 This is a side view of a steering wheel adjustment device for a wheeled tractor according to the present invention. Figure 3 This utility model Figure 2 The structural cross-sectional view of line AA, Figure 4 This utility model Figure 3 A magnified view of the structure at point B.

[0020] The utility model provides a steering wheel adjustment device for a wheeled tractor, comprising a steering wheel body 101, an adjustment sleeve 102, a base 103, a limit rod 104, a lock plate 105, a lock hole 106, a button 107, a return spring 108, a connecting ring 109, an arm 110, a slide rail 111, a slider 112, an extrusion spring 113, a connecting block 114 and a locking rod 115. The above-mentioned solution solves the problem that when the locking block is locked by using the locking bolt handle for a long time, it is easy to be damaged, resulting in the inability to continue to lock the locking block and the inability to adjust the height of the steering wheel.

[0021] According to this specific embodiment, the adjusting sleeve 102 is detachably connected to the steering wheel body 101 and is located at the lower end of the steering wheel body 101. The base 103 is slidably connected to the adjusting sleeve 102 and is located at one end of the adjusting sleeve 102. Each lock plate 105 has a plurality of lock holes 106. The plurality of lock holes 106 are arranged on the lock plate 105. The two lock plates 105 are fixedly connected to the base 103 and are symmetrically arranged inside the base 103. The limiting rod 104, the two pressing mechanisms, the two connecting arms, the two sliding components and the two locking arms are respectively arranged on the adjusting sleeve 102. The two pressing mechanisms are detachably connected to the limiting rod 104 and are symmetrically arranged at one end of the limiting rod 104. Each connecting arm is fixedly connected to the corresponding pressing mechanism and is located at one end of the corresponding pressing mechanism. One end of each sliding component is fixedly connected to the corresponding connecting arm and is located at the corresponding One end of the connecting arm, each locking arm is detachably connected to the corresponding sliding component and is located at one end of the corresponding sliding component, each locking arm cooperates with the corresponding lock plate 105, the steering wheel body 101, the adjustment sleeve 102 and the base 103 are provided by the prior art CN206336323U. When the height of the steering wheel body 101 needs to be adjusted, the two pressing mechanisms are pressed, and the two pressing mechanisms move relative to each other on the limit rod 104. At this time, the two pressing mechanisms drive one end of the two sliding components to move relative to each other through the two connecting arms, and the two sliding components drive the two locking arms to move relative to each other, so that the two locking arms are moved out of the two corresponding locking holes 106 of the two lock plates 105, and then the adjusting sleeve 102 is pulled to the specified height. After the adjustment is completed, the two pressing mechanisms are released, and the two locking arms are inserted into the corresponding two locking holes 106 of the two lock plates 105, thereby fixing them.

[0022] Each of the pressing mechanisms includes a button 107 and a reset spring 108 . The reset spring 108 is fixedly connected to the button 107 and is located at one end of the button 107 . The reset spring 108 is installed on the button 107 for resetting.

[0023] Secondly, each connecting arm includes a connecting ring 109 and an arm body 110. The connecting ring 109 is fixedly connected to the button 107 and is located at one end of the button 107. The arm body 110 is fixedly connected to the connecting ring 109 and is located at one end of the connecting ring 109. The arm body 110 is installed on the button 107 through the connecting ring 109.

[0024] At the same time, each of the sliding components includes a slide rail 111, a slider 112 and an extrusion spring 113. One end of the slider 112 is slidably connected to the slide rail 111 and is located inside the slide rail 111. The other end of the slider 112 is fixedly connected to the arm body 110 and is located at one end of the arm body 110. The extrusion spring 113 is fixedly connected to the slide rail 111 and the slider 112 and is located at one end of the slide rail 111 and the slider 112. The slide rail 111 facilitates the sliding of the slider 112. The slide rail 111 is installed on the arm body 110, and the extrusion spring 113 is reset.

[0025] In addition, each locking arm includes a connecting block 114 and a locking rod 115. The connecting block 114 is fixedly connected to the slider 112 and is located at one end of the slider 112. The locking rod 115 is fixedly connected to the connecting block 114 and is located at one end of the connecting block 114. The locking rod 115 is installed on the slider 112 through the connecting block 114.

[0026] When using the wheel tractor steering wheel adjustment device of this embodiment, when it is necessary to adjust the height of the steering wheel body 101, the two buttons 107 are pressed, and the two buttons 107 move relative to each other on the limit rod 104, and at the same time, the two return springs 108 are squeezed respectively. At this time, the two buttons 107 respectively drive the two arms 110 to move relative to each other through the two connecting rings 109, and the two arms 110 drive the two sliders 112 to move relative to each other in the two slide rails 111, and each slider 112 squeezes the extrusion spring 113. The two sliders 112 are squeezed, and at the same time, the two locking rods 115 are driven by the two connecting blocks 114 to move out of the corresponding two locking holes 106 of the two locking plates 105, and then the adjusting sleeve 102 is pulled to the specified height. After the adjustment is completed, the two buttons 107 are released, and the two reset springs 108 and the two extrusion springs 113 are used to reset them respectively, and the two locking rods 115 are inserted into the two locking holes 106 of the two locking plates 105, so that the adjusting sleeve 102 is fixed on the base 103, so as to facilitate the adjustment of the adjusting sleeve 102.

[0027] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made in accordance with the claims of the present invention are still within the scope of the utility model.

Claims

1. A wheel tractor steering wheel adjustment device, comprising a steering wheel body, an adjustment sleeve and a base, wherein the adjustment sleeve is detachably connected to the steering wheel body and is located at the lower end of the steering wheel body, and the base is slidably connected to the adjustment sleeve and is located at one end of the adjustment sleeve, characterized in that: The lock member is a pair of lock holes, each of which is connected to the lock hole of the lock member, and the lock holes are connected to the lock plate, and the two lock plates are fixedly connected to the base and symmetrically arranged inside the base, and the limit rod, the two pressing mechanisms, the two connecting arms are detachably connected to the limit rod and are symmetrically arranged at one end of the limit rod, each connecting arm is fixedly connected to the corresponding pressing mechanism and is located at one end of the corresponding pressing mechanism, one end of each sliding member is fixedly connected to the corresponding connecting arm and is located at one end of the corresponding connecting arm, each locking arm is detachably connected to the corresponding sliding member and is located at one end of the corresponding sliding member, and each locking arm cooperates with the corresponding lock plate.

2. The wheel tractor steering wheel adjustment device according to claim 1, characterized in that: Each of the pressing mechanisms includes a button and a return spring. The return spring is fixedly connected to the button and is located at one end of the button.

3. The wheel tractor steering wheel adjustment device according to claim 2, characterized in that: Each connecting arm includes a connecting ring and an arm body. The connecting ring is fixedly connected to the button and is located at one end of the button. The arm body is fixedly connected to the connecting ring and is located at one end of the connecting ring.

4. The wheel tractor steering wheel adjustment device according to claim 3, characterized in that: Each of the sliding components includes a slide rail, a slider and an extrusion spring. One end of the slider is slidably connected to the slide rail and is located inside the slide rail. The other end of the slider is fixedly connected to the arm body and is located at one end of the arm body. The extrusion springs are fixedly connected to the slide rail and the slider and are located at one end of the slide rail and the slider.

5. The wheel tractor steering wheel adjustment device according to claim 4, characterized in that: Each locking arm includes a connecting block and a locking rod. The connecting block is fixedly connected to the slider and is located at one end of the slider. The locking rod is fixedly connected to the connecting block and is located at one end of the connecting block.

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