Door support device for cab of wheeled tractor

Abstract

The utility model relates to the field of tractors, in particular to a wheel type tractor cab door supporting device which comprises a cab body, a vehicle door and a supporting assembly, the vehicle door is hinged to the cab body, the supporting assembly comprises an installation frame, a hinged support, a telescopic rod component, a ball head, a clamping base and an elastic supporting piece, and the installation frame is fixedly connected with the vehicle door and located on one side of the vehicle door. The hinge seat is fixedly connected with the mounting frame and located on the side, away from a vehicle door, of the mounting frame, the ball head is connected with the hinge seat through the telescopic rod component, the telescopic rod component is mounted on the hinge seat and supports the ball head, the clamping seat is slidably connected with the cab body and located on the side, close to the ball head, of the cab body, and the elastic supporting piece elastically supports the clamping seat. The problems that in the prior art, due to the fact that a door body can only be opened at a fixed angle, the opening angle of the door body cannot be adjusted, and the requirement of a driver for the opening angle of the door body under different working scenes and personal habits is difficult to meet are solved.

Description

Technical Field

[0001] The utility model relates to the field of tractors, in particular to a wheeled tractor cab door support device. Background Art

[0002] As an important agricultural machinery and engineering transportation tool, the design of the cab body of a wheeled tractor is crucial for the driver's operation experience and safety. During daily use, the cab body door needs to be able to stably maintain an open state for the driver to enter and exit and for ventilation. However, for most large-power wheeled tractors currently, there is no door support device for the cab body door, making it difficult to achieve the half-open state of the door.

[0003] The prior art CN207761472U discloses a wheeled tractor cab door support device, including: a door lock connection threaded sleeve, a thrust washer, a limit bolt, a door lock support mounting assembly, and a door lock support slot; the door lock support mounting assembly is installed on the door lock connection threaded sleeve through the limit bolt, and thrust washers are installed above and below the door lock support mounting assembly; the door lock support mounting assembly is clamped in the door lock support slot; the door lock connection threaded sleeve and the door lock support slot are respectively fixed on the cab body frame assembly. The door lock support welded part is connected to the door support hinge, and the door lock support welded part is clamped in the middle gap of the door support hinge. The door lock support pin is welded in the end hole of the door lock support rod. When the door lock support pin and the door lock reach an engaged state, the cab body door is locked at a certain opening angle position to meet the ventilation and air exchange requirements of the cab body during the working state of the tractor. After the door support device is locked with the door lock, it can prevent the door support device from continuing to rotate forward and causing the cab body door to open accidentally.

[0004] For the above-mentioned wheeled tractor cab door support device, since the door body can only be opened at a fixed angle and the opening angle of the door body cannot be adjusted, it is difficult to meet the driver's requirements for the opening angle of the door body in different working scenarios and personal habits. Summary of the Invention

[0005] The purpose of the utility model is to provide a wheeled tractor cab door support device, which solves the problem that in the prior art, since the door body can only be opened at a fixed angle and the opening angle of the door body cannot be adjusted, it is difficult to meet the driver's requirements for the opening angle of the door body in different working scenarios and personal habits.

[0006] To achieve the above object, the present utility model provides a wheeled tractor cab door support device, including a cab body, a door, and a support assembly. The door is hinged to the cab body. The support assembly includes a mounting bracket, a hinge seat, a telescopic rod member, a ball head, a clamping seat, and an elastic support member. The mounting bracket is fixedly connected to the door and is located on one side of the door. The hinge seat is fixedly connected to the mounting bracket and is located on the side of the mounting bracket away from the door. The ball head is connected to the hinge seat through the telescopic rod member. The telescopic rod member is mounted on the hinge seat and supports the ball head. The clamping seat is slidably connected to the cab body and is located on the side of the cab body close to the ball head. The elastic support member elastically supports the clamping seat.

[0007] Wherein, the telescopic rod member includes a sleeve, a sliding rod, and a locking member. The sleeve is sleeved on the hinge seat and is rotatably connected to the hinge seat. The sliding rod extends into the sleeve and is slidably connected to the sleeve. The ball head is fixedly installed at the end of the sliding rod. The locking member limits the sliding rod.

[0008] Wherein, the locking member includes a threaded sleeve and a locking rod. The threaded sleeve extends into the sleeve and is fixedly connected to the sleeve. The locking rod penetrates through the threaded sleeve and is threadedly connected to the threaded sleeve.

[0009] Wherein, the elastic support member includes a support plate and a spring. The support plate is fixedly connected to the cab body and is located on the side of the cab body close to the clamping seat. The spring is installed between the support plate and the clamping seat. Two ends of the spring are respectively connected to the support plate and the clamping seat.

[0010] Wherein, the support assembly further includes a limit seat and a limit block. The limit seat is fixedly connected to the door and is located on the side of the door close to the sleeve. The limit block is rotatably installed on the limit seat.

[0011] A wheeled tractor cab door support device of the present utility model includes a cab body, a door, and a support assembly. The door is hinged to the cab body. The support assembly includes a mounting frame, a hinge seat, a telescopic rod member, a ball head, a clamping seat, and an elastic support member. The mounting frame is fixedly connected to the door and is located on one side of the door. The hinge seat is fixedly connected to the mounting frame and is located on the side of the mounting frame away from the door. The ball head is connected to the hinge seat through the telescopic rod member. The telescopic rod member is mounted on the hinge seat and supports the ball head. The clamping seat is slidably connected to the cab body and is located on the side of the cab body close to the ball head. The elastic support member elastically supports the clamping seat, solving the problem in the prior art that since the door can only be opened at a fixed angle and the opening angle of the door cannot be adjusted, it is difficult to meet the needs of the driver for the opening angle of the door in different working scenarios and personal habits. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art.

[0013] Figure 1 It is a schematic diagram of the overall structure of the wheeled tractor cab door support device according to the first embodiment of the present utility model.

[0014] Figure 2 It is a schematic diagram of the structure of the telescopic rod member according to the first embodiment of the present utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the elastic support member according to the first embodiment of the present utility model.

[0016] Figure 4 It is a schematic diagram of the overall structure of the wheeled tractor cab door support device according to the second embodiment of the present utility model.

[0017] In the figure: 101 - cab body, 102 - door, 103 - mounting frame, 104 - hinge seat, 105 - sleeve, 106 - sliding rod, 107 - threaded sleeve, 108 - locking rod, 109 - ball head, 110 - clamping seat, 111 - support plate, 112 - spring, 201 - limit seat, 202 - limit block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] The following will describe in detail the embodiments of the present utility model. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation of the present utility model.

[0019] The first embodiment of the present application is as follows:

[0020] Please refer to Figures 1 - 3 , Figure 1 which is a schematic diagram of the overall structure of the wheeled tractor cab door support device according to the first embodiment of the present invention, Figure 2 which is a schematic diagram of the telescopic rod member according to the first embodiment of the present invention, Figure 3 which is a schematic diagram of the elastic support member according to the first embodiment of the present invention.

[0021] The wheeled tractor cab door support device of the present invention includes a cab body 101, a door 102, a mounting bracket 103, a hinge seat 104, a sleeve 105, a sliding rod 106, a threaded sleeve 107, a locking rod 108, a ball head 109, a clamping seat 110, a support plate 111, and a spring 112, which solves the problem that in the prior art, since the door can only be opened at a fixed angle and the opening angle of the door cannot be adjusted, it is difficult to meet the needs of the driver for the opening angle of the door in different working scenarios and personal habits. It can be understood that the foregoing solution can also be used to improve adaptability.

[0022] In this embodiment, the door 102 is connected to the cab body 101 through a hinge. A lock seat and a lock body are respectively provided on the cab body 101 and the door 102. Both the lock seat and the lock body are common door lock structures on tractors. The support assembly is provided on the cab body 101 and the door 102, so that the door 102 can be supported when opened and the different opening angles of the door 102 can be adjusted, solving the problem that in the prior art, since the door can only be opened at a fixed angle and the opening angle of the door cannot be adjusted, it is difficult to meet the needs of the driver for the opening angle of the door in different working scenarios and personal habits.

[0023] Among them, the mounting bracket 103 is fixedly connected to the vehicle door 102 and is located on one side of the vehicle door 102. The hinge seat 104 is fixedly connected to the mounting bracket 103 and is located on the side of the mounting bracket 103 away from the vehicle door 102. The ball head 109 is connected to the hinge seat 104 through the telescopic rod member. The telescopic rod member is installed on the hinge seat 104 and supports the ball head 109. The clamping seat 110 is slidably connected to the cab body 101 and is located on the side of the cab body 101 close to the ball head 109. The elastic support member elastically supports the clamping seat 110. The mounting bracket 103 is U-shaped and is fixedly connected to the upper and lower borders of the vehicle door 102 at both ends, providing an installation condition for the hinge seat 104 and at the same time preventing the force received by the hinge seat 104 from directly acting on the glass of the vehicle door 102, causing damage to the glass. The hinge seat 104 is fixedly installed in the middle of the mounting bracket 103 through bolts. The telescopic rod member is installed on the hinge seat 104, and the telescopic rod member can be rotated through the hinge seat 104. The ball head 109 is installed at the end of the telescopic rod member. The telescopic rod member supports the ball head 109. At the same time, the telescopic rod member can be telescoped to adjust the position of the ball head 109. The clamping seat 110 is slidably installed on the inner wall of the cab body 101 through the guiding member. The guiding member includes a guiding rod and a guiding sleeve. The guiding rod is fixedly connected to the cab body 101. The number of guiding rods is two, which are respectively installed vertically on both sides of the clamping seat 110. The number of guiding sleeves is two, which are respectively fixedly installed on both sides of the clamping seat 110. The guiding sleeve has a through hole matching the diameter of the guiding rod. The guiding sleeve is sleeved on the guiding rod through the through hole. Through the guiding rod and the guiding sleeve, the clamping seat 110 can slide vertically on the cab body 101. A cavity is provided inside the clamping seat 110, the top is open, and an inverted triangular notch is also provided on the side. The ball head 109 can be clamped inside the clamping seat 110. The elastic support member can provide elastic support for the clamping seat 110, enabling the clamping seat 110 to automatically reset upward. Through the telescoping of the telescopic rod member and the cooperation between the ball head 109 and the clamping seat 110, the vehicle door 102 can be supported at any angle within the opening range, thus solving the problem in the prior art that since the door body can only be opened at a fixed angle and the opening angle of the door body cannot be adjusted, it is difficult to meet the driver's requirements for the opening angle of the door body in different working scenarios and personal habits.

[0024] Secondly, the sleeve 105 is sleeved on the hinge seat 104 and rotatably connected to the hinge seat 104; the sliding rod 106 extends into the sleeve 105 and is slidably connected to the sleeve 105, and the ball head 109 is fixedly installed at the end of the sliding rod 106; the locking member limits the sliding rod 106. One end of the sleeve 105 is provided with a connecting seat, and the sleeve 105 is sleeved on the hinge seat 104 through the connecting seat, so that the sleeve 105 can rotate around the hinge seat 104. The sliding rod 106 extends into the sleeve 105 from the other end of the sleeve 105 and is slidably connected to the sleeve 105. The ball head 109 is fixedly installed at one end of the sliding rod 106 located outside the sleeve 105. The locking member is installed on the sleeve 105 and can limit the sliding rod 106. By sliding the sliding rod 106 in the sleeve 105, the telescopic of the telescopic rod member is realized.

[0025] At the same time, the threaded sleeve 107 extends into the sleeve 105 and is fixedly connected to the sleeve 105; the locking rod 108 passes through the threaded sleeve 107 and is threadedly connected to the threaded sleeve 107. An installation hole is formed in the sleeve 105, and the threaded sleeve 107 is fixedly installed on the sleeve 105 through the installation hole. The threaded sleeve 107 has a threaded through hole. The locking rod 108 is composed of a screw rod and a knob. The locking rod 108 passes through the threaded through hole and is threadedly connected to the threaded sleeve 107. By tightening the locking rod 108, the end of the locking rod 108 abuts against the sliding rod 106, and under the action of friction, the locking and limiting of the sliding rod 106 are realized.

[0026] In addition, the support plate 111 is fixedly connected to the cab body 101 and is located on one side of the cab body 101 close to the card seat 110; the spring 112 is installed between the support plate 111 and the card seat 110, and both ends of the spring 112 are respectively connected to the support plate 111 and the card seat 110. The support plate 111 is fixedly installed on the inner wall of the cab body 101, directly below the card seat 110. Both ends of the spring 112 are fixedly connected to the top of the support plate 111 and the top of the card seat 110. Through the elastic force of the spring 112, the card seat 110 can be elastically supported, so as to realize the automatic reset of the card seat 110.

[0027] In this embodiment, when in use, open the vehicle door 102 to an appropriate angle, and then slide the sliding rod 106 outwards to make the ball head 109 approach the clamping seat 110. After the ball head 109 approaches the clamping seat 110, move the clamping seat 110 downwards and move the ball head 109 to the open top of the clamping seat 110. Then, release the clamping seat 110. Under the action of the spring 112, the clamping seat 110 resets upwards, and the ball head 109 is clamped in the clamping seat 110. Finally, tighten the locking rod 108 to fix the sliding rod 106, completing the support for the vehicle door 102. Through the telescoping of the telescopic rod member and the cooperation between the ball head 109 and the clamping seat 110, the vehicle door 102 can be supported at any angle within the opening range, thus solving the problem in the prior art that since the door body can only be opened at a fixed angle and the opening angle of the door body cannot be adjusted, it is difficult to meet the driver's requirements for the opening angle of the door body in different working scenarios and personal habits.

[0028] The second embodiment of this application is as follows:

[0029] Please refer to Figure 4 , Figure 4 which is the overall structural schematic diagram of the wheeled tractor cab door support device according to the second embodiment of the present utility model. On the basis of the first embodiment, the wheeled tractor cab door support device of this embodiment further includes a limit seat 201 and a limit block 202.

[0030] In this embodiment, the support assembly further includes a limit seat 201 and a limit block 202, and the limit of the sleeve 105 can be achieved through the foregoing solution.

[0031] Among them, the limit seat 201 is fixedly connected to the vehicle door 102 and is located on the side of the vehicle door 102 close to the sleeve 105; the limit block 202 is rotatably installed on the limit seat 201, the limit seat 201 is fixedly installed on the vehicle door 102, and the limit block 202 is rotatably installed on the limit seat 201 through a shaft pin. When not in use, affected by gravity, the limit block 202 will be in a vertical state, restricting the sleeve 105 between the limit seat 201 and the limit block 202 to prevent the sleeve 105 from rotating randomly. When in use, rotate the limit block 202 by ninety degrees (either clockwise or counterclockwise) to unlock the sleeve 105; after use, rotate the limit block 202 upwards to make the sleeve 105 close to the limit seat 201, and then release the limit block 202. The limit block 202 will automatically rotate downwards under the influence of gravity, thereby restricting the sleeve 105 between the limit seat 201 and the limit block 202, and the limit of the sleeve 105 is achieved through the limit seat 201 and the limit block 202.

[0032] The above disclosure is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present application still fall within the scope covered by the present application.

Claims

1. A door support device for a wheeled tractor cab, comprising a cab body and a door, wherein the door is hinged to the cab body, and characterized in that: Also included is a support assembly; The support assembly includes a mounting frame, a hinge seat, a telescopic rod component, a ball head, a clamping seat and an elastic support member. The mounting frame is fixedly connected to the vehicle door and is located on one side of the vehicle door. The hinge seat is fixedly connected to the mounting frame and is located on a side of the mounting frame away from the vehicle door. The ball head is connected to the hinge seat through the telescopic rod component. The telescopic rod component is installed on the hinge seat and supports the ball head. The clamping seat is slidably connected to the cab body and is located on a side of the cab body close to the ball head. The elastic support member elastically supports the clamping seat.

2. The wheeled tractor cab door support device according to claim 1, characterized in that: The telescopic rod component includes a sleeve, a sliding rod and a locking piece. The sleeve is sleeved on the hinge seat and is rotatably connected to the hinge seat; the sliding rod extends into the sleeve and is slidably connected to the sleeve, and the ball head is fixedly installed on the end of the sliding rod; the locking piece limits the sliding rod.

3. The wheeled tractor cab door support device according to claim 2, characterized in that: The locking member comprises a threaded sleeve and a locking rod. The threaded sleeve extends into the sleeve and is fixedly connected to the sleeve. The locking rod passes through the threaded sleeve and is threadedly connected to the threaded sleeve.

4. The wheeled tractor cab door support device according to claim 1, characterized in that: The elastic support member includes a support plate and a spring. The support plate is fixedly connected to the cab body and is located on a side of the cab body close to the base. The spring is installed between the support plate and the base, and both ends of the spring are respectively connected to the support plate and the base.

5. The wheeled tractor cab door support device according to claim 2, characterized in that: The support assembly also includes a limiting seat and a limiting block. The limiting seat is fixedly connected to the vehicle door and is located on a side of the vehicle door close to the sleeve. The limiting block is rotatably mounted on the limiting seat.

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