Sealing device for operating lever of wheeled tractor

Abstract

The utility model relates to the technical field of tractors, in particular to a wheel type tractor operating lever sealing device which comprises a mounting bottom plate and a sealing cover and further comprises a damping assembly, the damping assembly comprises a connecting bottom plate, a fixing plate, a buffer spring, a connecting component, a fixing component and a shielding component, and the connecting bottom plate is fixedly connected with the mounting bottom plate. The fixing plate is connected with the connecting bottom plate through the connecting component and fixedly connected with the sealing cover, the two ends of the buffer spring are connected with the connecting bottom plate and the fixing plate through the fixing component respectively, the connecting component is arranged on the connecting bottom plate and connected with the fixing plate, and the fixing component is arranged on the connecting bottom plate and the fixing plate and connected with the buffer spring. The shielding component is arranged on the connecting bottom plate, vibration energy can be absorbed through the buffer spring, vibration is prevented from being transmitted to the sealing cover, and therefore a sealing gap between the sealing cover and the operating rod caused by vibration is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of tractors, in particular to a sealing device for a control lever of a wheeled tractor. Background Art

[0002] The working environment of wheeled tractors is usually harsh. When operating in farmland, a large amount of dust, soil particles, crop debris and other impurities will be suspended in the surrounding air. These dust and impurities can easily enter its internal structure through the gap of the operating lever. Over time, dust and impurities will accumulate on the moving parts of the operating lever.

[0003] In the prior art, a rubber seal is provided at the operating lever of a wheeled tractor. The flexibility of the rubber seal can avoid restricting the operation of the operating lever. At the same time, the rubber seal can also block the gap of the operating lever to prevent the entry of dust and impurities.

[0004] However, when the existing device is in use, the wheeled tractor will generate vibration during driving, which will be transmitted to the sealing cover, thereby causing a sealing gap to be generated between the sealing cover and the operating rod due to the vibration. Summary of the Invention

[0005] The purpose of the utility model is to provide a sealing device for a wheeled tractor operating lever, which aims to solve the problem that when the existing device is in use, the wheeled tractor will generate vibration during driving, so that the vibration is transmitted to the sealing cover, and the vibration causes a sealing gap to be generated between the sealing cover and the operating lever.

[0006] To achieve the above object, the utility model provides a wheeled tractor joystick sealing device, comprising a mounting base and a sealing cover, wherein the sealing cover is located on one side of the mounting base, and is characterized in that:

[0007] Also includes shock-absorbing components,

[0008] The shock absorbing assembly includes a connecting base plate, a fixing plate, a buffer spring, a connecting member, a fixing member and a shielding member. The connecting base plate is fixedly connected to the mounting base plate and is located on one side of the mounting base plate. The fixing plate is connected to the connecting base plate through the connecting member and is fixedly connected to the sealing cover and is located on a side of the connecting base plate close to the sealing cover. The two ends of the buffer spring are respectively connected to the connecting base plate and the fixing plate through the fixing member. The buffer spring is located on a side of the connecting base plate close to the fixing plate. The connecting member is arranged on the connecting base plate and connected to the fixing plate. The fixing member is arranged on the connecting base plate and the fixing plate and connected to the buffer spring. The shielding member is arranged on the connecting base plate.

[0009] Among them, the connecting component includes a limiting slide and a connecting slide rod, the limiting slide is fixedly connected to the connecting base plate and is located on one side of the connecting base plate; the connecting slide rod is slidingly connected to the limiting slide, and is fixedly connected to the fixed plate, and is located on the side of the limiting slide close to the fixed plate.

[0010] In which, the fixing member includes a first fixing seat and a second fixing seat, the first fixing seat is fixedly connected to the connecting base plate and the buffer spring respectively, and the first fixing seat is located on the side of the connecting base plate close to the buffer spring; the second fixing seat is fixedly connected to the fixing plate and the buffer spring respectively, and the second fixing seat is located on the side of the fixing plate close to the buffer spring.

[0011] Among them, the shielding component includes a shielding frame and a rubber sheet, the shielding frame is fixedly connected to the connecting base plate and is located on one side of the connecting base plate; the rubber sheet is fixedly connected to the shielding frame and the fixed plate respectively, and the rubber sheet is located on the side of the shielding frame close to the fixed plate.

[0012] Wherein, the shock absorbing assembly further includes a damper, which is arranged on the connecting base plate and connected to the fixing plate, and is located on a side of the connecting base plate close to the fixing plate.

[0013] The utility model relates to a sealing device for an operating lever of a wheeled tractor. When the wheeled tractor is traveling, the vibration generated during the traveling process can be directly transmitted to the buffer spring through the mounting base plate and the connecting base plate. The deformation ability of the buffer spring can absorb the vibration. The buffer spring can absorb the vibration energy and prevent the vibration from being transmitted to the sealing cover, thereby avoiding the generation of a sealing gap between the sealing cover and the operating lever due to the vibration. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application 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.

[0015] Figure 1 It is a structural schematic diagram of a wheeled tractor joystick sealing device according to the first embodiment of the present utility model.

[0016] Figure 2 It is a structural schematic diagram of the shock absorbing assembly of the first embodiment of the present utility model.

[0017] Figure 3 It is a structural schematic diagram of the fixing component of the first embodiment of the present utility model.

[0018] In the figure: 101-installing base plate, 102-sealing cover, 103-connecting base plate, 104-fixing plate, 105-buffer spring, 106-damper, 107-limiting slide, 108-connecting slide rod, 109-first fixing seat, 110-second fixing seat, 111-shielding frame, 112-rubber sheet. DETAILED DESCRIPTION

[0019] 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.

[0020] The first embodiment of this application is:

[0021] See also Figures 1 to 3 ,in Figure 1 It is a structural schematic diagram of a wheeled tractor joystick sealing device according to the first embodiment of the present utility model. Figure 2 It is a structural schematic diagram of the shock absorbing assembly of the first embodiment of the present utility model. Figure 3 It is a structural schematic diagram of the fixing component of the first embodiment of the present utility model.

[0022] The utility model provides a sealing device for a wheeled tractor joystick, comprising a mounting base 101, a sealing cover 102, and a shock-absorbing assembly, wherein the shock-absorbing assembly comprises a connecting base 103, a fixing plate 104, a buffer spring 105, a connecting member, a fixing member, a shielding member, and a damper 106, wherein the connecting member comprises a limiting slide 107 and a connecting slide rod 108, the fixing member comprises a first fixing seat 109 and a second fixing seat 110, and the shielding member comprises a shielding frame 111 and a rubber sheet 112. The above-mentioned solution solves the problem that during use of the existing device, when the wheeled tractor is moving, vibrations are generated during the driving process, so that the generated vibrations are transmitted to the sealing cover, thereby causing a sealing gap to be generated between the sealing cover and the joystick due to the vibrations. It is understandable that the above-mentioned solution can be used in situations where shock absorption of the seal is required.

[0023] In this embodiment, the mounting base plate 101 is connected and fixed to the tractor, and the sealing cover 102 is provided on the mounting base plate 101. The sealing cover 102 can be connected and fixed to the operating lever of the tractor through the mounting base plate 101. The operating lever can be sealed by the sealing cover 102. At the same time, the sealing cover 102 is made of flexible rubber material and can seal the operating lever without restricting the operation and movement of the operating lever.

[0024] Wherein, the connecting base plate 103 is fixedly connected to the mounting base plate 101 and is located on one side of the mounting base plate 101. The fixing plate 104 is connected to the connecting base plate 103 through the connecting member and is fixedly connected to the sealing cover 102 and is located on the side of the connecting base plate 103 close to the sealing cover 102. The two ends of the buffer spring 105 are respectively connected to the connecting base plate 103 and the fixing plate 104 through the fixing member. The buffer spring 105 is located on the side of the connecting base plate 103 close to the fixing plate 104. The connecting member is provided on the connecting base plate 103 and connected to the fixing plate 104. The fixing member is provided The shielding member is arranged on the connecting base plate 103 and the fixing plate 104, and is connected to the buffer spring 105. The connecting base plate 103 is welded to the two mounting base plates 101. The fixing plate 104 is connected to the top of the connecting base plate 103 through the connecting member. The fixing plate 104 can be connected to the connecting base plate 103 through the connecting member. The sealing cover 102 is adhered to the fixing plate 104 and can be installed and fixed by the fixing plate 104. There are multiple buffer springs 105, and the two ends of the multiple buffer springs 105 are connected to the fixing member. The connecting base plate 103 and the fixing plate 104 are connected, and the buffer spring 105 can absorb the vibration transmitted by the mounting base plate 101 and the connecting base plate 103. The connecting member is provided on the connecting base plate 103 and connected to the fixing plate 104. The fixing plate 104 can be connected to the connecting base plate 103 through the connecting member. The fixing member is provided on the connecting base plate 103 and the fixing plate 104 and connected to the buffer spring 105. The buffer spring 105 can be connected and fixed between the connecting base plate 103 and the fixing plate 104 through the fixing member. The shielding member is provided on the connecting base plate 103, the buffer spring 105 provided between the connecting base plate 103 and the fixing plate 104 can be shielded and protected by the shielding member to avoid wear caused by external factors, thereby achieving that when the wheeled tractor is traveling, the vibration generated during the driving process can be directly transmitted to the buffer spring 105 through the mounting base plate 101 and the connecting base plate 103, and the deformation ability of the buffer spring 105 can absorb the vibration. The buffer spring 105 can absorb the vibration energy and prevent the vibration from being transmitted to the sealing cover 102, thereby avoiding the sealing gap between the sealing cover 102 and the operating rod due to vibration.

[0025] Secondly, the limiting slide 107 is fixedly connected to the connecting base plate 103 and is located on one side of the connecting base plate 103; the connecting slide 108 is slidingly connected to the limiting slide 107 and is fixedly connected to the fixed plate 104, and is located on the side of the limiting slide 107 close to the fixed plate 104. The limiting slide 107 is welded on the connecting base plate 103, and the connecting slide 108 is slidingly connected to the limiting slide 107. The connecting slide 108 is welded below the fixed plate 104. The fixed plate 104 can be connected to the top of the connecting base plate 103 through the limiting slide 107 and the connecting slide 108.

[0026] At the same time, the first fixing seat 109 is fixedly connected to the connecting base plate 103 and the buffer spring 105 respectively, and the first fixing seat 109 is located on the side of the connecting base plate 103 close to the buffer spring 105; the second fixing seat 110 is fixedly connected to the fixing plate 104 and the buffer spring 105 respectively, and the second fixing seat 110 is located on the side of the fixing plate 104 close to the buffer spring 105. There are multiple first fixing seats 109, and multiple first fixings are welded on the connecting base plate 103 and one end of the corresponding multiple buffer springs 105. Through the first fixing seat 109, one end of the buffer spring 105 can be connected and fixed to the connecting base plate 103. There are multiple second fixing seats 110, and multiple second fixing seats 110 are welded on the fixing plate 104 and the other end of the corresponding multiple buffer springs 105. Through the second fixing seat 110, one end of the buffer spring 105 can be connected and fixed to the fixing plate 104.

[0027] In addition, the shielding frame 111 is fixedly connected to the connecting base plate 103 and is located on one side of the connecting base plate 103; the rubber sheet 112 is fixedly connected to the shielding frame 111 and the fixed plate 104 respectively, and the rubber sheet 112 is located on the side of the shielding frame 111 close to the fixed plate 104. The shielding frame 111 is welded to the connecting base plate 103. The shielding frame 111 is welded to the connecting base plate 103. The buffer spring 105 arranged between the connecting base plate 103 and the fixed plate 104 can be shielded and protected by the shielding frame 111 to avoid wear caused by external factors. The rubber sheet 112 is bonded between the shielding frame 111 and the fixed plate 104. The rubber sheet 112 can prevent dust and impurities from entering between the connecting base plate 103 and the fixed plate 104.

[0028] Finally, the damper 106 is arranged on the connecting base plate 103 and connected to the fixed plate 104, and is located on the side of the connecting base plate 103 close to the fixed plate 104. There are multiple dampers 106, and multiple dampers 106 are arranged between the connecting base plate 103 and the fixed plate 104. The damper 106 can absorb the vibration generated by the deformation, reset and rebound of the buffer spring 105 on the fixed plate 104, thereby preventing the deformation, reset and rebound of the buffer spring 105 from driving the fixed plate 104 to move up and down repeatedly.

[0029] When using a wheeled tractor joystick sealing device according to this embodiment, when the wheeled tractor is driving, the vibration generated during the driving process can be directly transmitted to the buffer spring 105 through the mounting base plate 101 and the connecting base plate 103. The deformation ability of the buffer spring 105 can absorb the vibration. The buffer spring 105 can absorb the vibration energy and prevent the vibration from being transmitted to the sealing cover 102, thereby avoiding the generation of a sealing gap between the sealing cover 102 and the operating lever due to the vibration.

[0030] The above disclosure is merely one or more preferred embodiments of the present application and is not intended to limit the scope of the present application. A person skilled in the art will understand that all or part of the processes of the above embodiments and equivalent changes made in accordance with the claims of the present application are still within the scope of the present application.

Claims

1. A wheeled tractor joystick sealing device, comprising a mounting base and a sealing cover, wherein the sealing cover is located on one side of the mounting base, and is characterized in that: Also includes shock-absorbing components, The shock absorbing assembly includes a connecting base plate, a fixing plate, a buffer spring, a connecting member, a fixing member and a shielding member. The connecting base plate is fixedly connected to the mounting base plate and is located on one side of the mounting base plate. The fixing plate is connected to the connecting base plate through the connecting member and is fixedly connected to the sealing cover and is located on a side of the connecting base plate close to the sealing cover. The two ends of the buffer spring are respectively connected to the connecting base plate and the fixing plate through the fixing member. The buffer spring is located on a side of the connecting base plate close to the fixing plate. The connecting member is arranged on the connecting base plate and connected to the fixing plate. The fixing member is arranged on the connecting base plate and the fixing plate and connected to the buffer spring. The shielding member is arranged on the connecting base plate.

2. The wheeled tractor operating lever sealing device according to claim 1, wherein: The connecting component includes a limiting slide and a connecting slide rod. The limiting slide is fixedly connected to the connecting base plate and is located on one side of the connecting base plate. The connecting slide rod is slidably connected to the limiting slide and is fixedly connected to the fixed plate, and is located on the side of the limiting slide close to the fixed plate.

3. The wheeled tractor operating lever sealing device according to claim 1, wherein: The fixing member includes a first fixing seat and a second fixing seat, the first fixing seat is fixedly connected to the connecting base plate and the buffer spring respectively, and the first fixing seat is located on a side of the connecting base plate close to the buffer spring; the second fixing seat is fixedly connected to the fixing plate and the buffer spring respectively, and the second fixing seat is located on a side of the fixing plate close to the buffer spring.

4. The wheeled tractor operating lever sealing device according to claim 1, wherein: The shielding component includes a shielding frame and a rubber sheet. The shielding frame is fixedly connected to the connecting base plate and is located on one side of the connecting base plate. The rubber sheet is fixedly connected to the shielding frame and the fixed plate respectively, and the rubber sheet is located on the side of the shielding frame close to the fixed plate.

5. The wheeled tractor operating lever sealing device according to claim 1, wherein: The shock absorbing assembly further includes a damper, which is arranged on the connecting base plate and connected to the fixing plate, and is located on a side of the connecting base plate close to the fixing plate.

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