Cab clutch pull rod structure with sealing function and tractor

Abstract

The utility model relates to a cab clutch pull rod structure with a sealing function and a tractor, the pull rod structure comprises a pull rod and a sealing assembly, the pull rod comprises an upper pull rod and a lower pull rod, the upper pull rod and the lower pull rod are vertically arranged respectively and are oppositely distributed up and down, and the upper pull rod is located above the lower pull rod; the lower end of the upper pull rod is detachably connected with the upper end of the lower pull rod; the sealing assembly is installed at the lower end of the lower pull rod. The utility model has the benefits that the structure is simple, the design is reasonable, the sectional design of the pull rod is convenient to assemble, and the problems of insufficient installation space, assembly line rhythm and the like are solved; meanwhile, the sealing assembly is arranged, so that the problem of insufficient sealing performance of the cab is effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of tractors, in particular to a cab clutch pull rod structure with a sealing function and a tractor. Background Art

[0002] A tractor is a self-propelled power machine used to pull and drive machinery to perform various mobile operations. It can also be used as a power source for stationary operations. It consists of an engine, transmission, travel, steering, hydraulic suspension, power output, electrical instruments, driving controls, and traction systems or devices.

[0003] At present, existing tractors have the following defects: 1. Due to the upgrading and replacement of tractors and the requirement for compactness of the whole machine, the increase in parts has led to limited installation space. Due to the limitations of the assembly process and rhythm of the assembly line, there is no assembly space for the clutch lever; 2. Cab models are generally equipped with heaters and air conditioners, which have high requirements for the sealing performance of the cab and require an additional sealing structure. Utility Model Content

[0004] The utility model provides a cab clutch pull rod structure with a sealing function and a tractor, aiming to solve the problems of the prior art.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A cab clutch pull rod structure with a sealing function includes a pull rod and a sealing assembly, the pull rod includes an upper pull rod and a lower pull rod, the upper pull rod and the lower pull rod are respectively vertically arranged and distributed relatively to each other up and down, and the upper pull rod is located above the lower pull rod, and the lower end of the upper pull rod is detachably connected to the upper end of the lower pull rod; the sealing assembly is installed at the lower end of the lower pull rod.

[0007] The beneficial effects of the present invention are: the present invention has a simple structure and a reasonable design; the segmented design of the pull rod facilitates assembly, solving problems such as insufficient installation space and assembly line rhythm; at the same time, the provision of a sealing component effectively solves the problem of insufficient sealing performance of the cab.

[0008] On the basis of the above technical solution, the present invention can also be improved as follows.

[0009] Furthermore, it also includes a floor, which is provided with an opening running through the floor from top to bottom; the lower end of the lower pull rod passes through the opening and extends to the bottom of the floor; the sealing assembly is located at the opening and seals the opening.

[0010] The beneficial effects of adopting the above further solution are simple structure, reasonable design, using the floor as an assembly carrier, and facilitating the assembly of the pull rod and the sealing component.

[0011] Furthermore, it also includes a pull fork and a rocker arm, the pull fork is a U-shaped structure, and its closed end is connected to the lower end of the lower pull rod; one end of the rocker arm extends into the open end of the pull fork and is rotatably connected to both sides of the open end of the pull fork through a pin shaft; the other end of the rocker arm is fixedly connected to a rotating drum.

[0012] The beneficial effect of adopting the above further solution is that when in use, the operator manually rotates the above pull rod, and the pull rod drives the rocker arm to rotate by the pull fork to operate the clutch.

[0013] Furthermore, the sealing assembly includes a sealing sleeve and a sealing plate. The sealing plate is fixedly sleeved on the lower pull rod and seals the opening. The sealing sleeve is fixedly sleeved on the lower pull rod, and its lower end is fixedly connected to the sealing plate.

[0014] The beneficial effects of adopting the above further solution are simple structure and reasonable design. The opening on the floor is sealed by the sealing plate, and the gap between the lower pull rod and the sealing plate is sealed by the sealing sleeve, thereby further ensuring the sealing performance.

[0015] Furthermore, the sealing assembly further includes a sealing pressure plate, which is fixed on the floor and presses the sealing plate tightly.

[0016] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and easy assembly by using the sealing pressure plate to press the sealing plate tightly against the floor.

[0017] Furthermore, the opening is a waist-circular hole, the sealing plate is a waist-circular plate, the sealing pressure plate is a waist-circular ring plate; and the sealing sleeve is a corrugated sleeve.

[0018] The beneficial effects of adopting the above further solution are that the structure is simple, the shapes of the various components are reasonably designed, and they are adapted to each other, thereby ensuring the sealing effect of the sealing assembly.

[0019] Furthermore, the lower end of the upper pull rod and the lower end of the lower pull rod are connected via an adjustment sleeve.

[0020] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and utilizing the adjustment sleeve to connect the upper pull rod and the lower pull rod to realize segmented assembly of the pull rod, which is convenient for assembly.

[0021] Furthermore, the lower end of the upper pull rod and the upper end of the lower pull rod are respectively provided with threaded sections, and the adjusting sleeve is an adjusting screw sleeve, and the two ends of the adjusting screw sleeve are respectively threadedly connected to the lower end of the upper pull rod and the upper end of the lower pull rod.

[0022] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and the use of adjusting screw sleeves to be threadedly connected to the lower end of the upper pull rod and the upper end of the lower pull rod respectively, which makes assembly easy and saves time and effort.

[0023] Furthermore, the lower end of the upper pull rod and the upper end of the lower pull rod are respectively threaded with locking nuts, and the two backup nuts are respectively in contact with the two ends of the adjusting screw sleeve.

[0024] The beneficial effects of adopting the above further solution are simple structure, reasonable design, and utilizing two backup nuts to further increase the stability of the adjusting screw assembly.

[0025] The utility model provides a tractor, comprising the above-mentioned cab clutch pull rod structure with sealing function.

[0026] The beneficial effect of adopting the above-mentioned further solution is that the utility model also provides a tractor with a simple structure and reasonable design. The segmented design of the pull rod facilitates assembly, solving problems such as insufficient installation space and assembly line rhythm. At the same time, the provision of a sealing component effectively solves the problem of insufficient sealing performance of the cab. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is one of the overall structural diagrams of the utility model;

[0028] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0029] Figure 3 This is one of the assembly drawings of the tie rod and seal assembly in the present utility model;

[0030] Figure 4 This is the second assembly drawing of the tie rod and sealing assembly in the utility model;

[0031] Figure 5 This is one of the exploded views of the adjusting screw sleeve, the sealing assembly and the pull fork in the present utility model;

[0032] Figure 6 This is the second exploded view of the adjusting screw sleeve, sealing assembly and pull fork in this utility model.

[0033] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0034] 1. Upper pull rod; 2. Lower pull rod; 3. Adjusting screw sleeve; 4. Spare nut; 5. Floor; 6. Opening; 7. Sealing sleeve; 8. Sealing plate; 9. Sealing pressure plate; 10. Pull fork; 11. Rocker arm; 12. Pin shaft; 13. Rotating drum. DETAILED DESCRIPTION

[0035] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0036] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0037] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0038] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0039] Example 1

[0040] like Figures 1 to 6 As shown, this embodiment provides a cab clutch rod structure with a sealing function, including a rod and a sealing assembly, wherein the rod includes an upper rod 1 and a lower rod 2, the upper rod 1 and the lower rod 2 are respectively vertically arranged and relatively distributed up and down, and the upper rod 1 is located above the lower rod 2, and the lower end of the upper rod 1 is detachably connected to the upper end of the lower rod 2; the sealing assembly is installed at the lower end of the lower rod 2.

[0041] Preferably, in this embodiment, the upper pull rod 1 and the lower pull rod 2 are preferably cylindrical rod-shaped structures.

[0042] This embodiment has a simple structure and a reasonable design. The segmented design of the pull rod facilitates assembly, solving problems such as insufficient installation space and assembly line rhythm. At the same time, the provision of a sealing component effectively solves the problem of insufficient sealing performance of the cab.

[0043] Example 2

[0044] Based on Example 1, this embodiment also includes a floor 5, which is provided with an opening 6 running through it from top to bottom; the lower end of the lower pull rod 2 extends through the opening 6 to the bottom of the floor 5; the sealing assembly is located at the opening 6 and seals the opening 6.

[0045] This solution has a simple structure and a reasonable design, and utilizes the floor 5 as an assembly carrier, making it convenient to assemble the pull rod and the sealing assembly.

[0046] Based on the above solution, the floor 5 is fixed in the cab during assembly.

[0047] Example 3

[0048] Based on Example 2, this embodiment also includes a pull fork 10 and a rocker arm 11. The pull fork 10 is a U-shaped structure, and its closed end is connected to the lower end of the lower pull rod 2; one end of the rocker arm 11 extends into the open end of the pull fork 10, and is rotatably connected to both sides of the open end of the pull fork 10 through a pin shaft 12; the other end of the rocker arm 11 is fixedly connected to a rotating drum 13.

[0049] During use, the operator manually rotates the pull rod, and the pull rod drives the rocker arm 11 to rotate by using the pull fork 10 to operate the clutch.

[0050] Preferably, in this embodiment, the rocker arm 11 is preferably a bent rectangular plate.

[0051] Preferably, in this embodiment, the lower end of the lower pull rod 2 is threaded, and the closed end of the pull fork 10 is provided with a threaded hole, so that the lower pull rod 2 and the pull fork 10 can be connected together.

[0052] Example 4

[0053] Based on any one of Examples 2 to 3, in this embodiment, the sealing assembly includes a sealing sleeve 7 and a sealing plate 8, and the sealing plate 8 is fixedly mounted on the lower pull rod 2 and seals the opening 6; the sealing sleeve 7 is fixedly mounted on the lower pull rod 2, and its lower end is fixedly connected to the sealing plate 8.

[0054] This solution has a simple structure and a reasonable design. The sealing plate 8 is used to seal the opening 6 on the floor 5, and the sealing sleeve 7 is used to seal the gap between the lower rod 2 and the sealing plate 8, thereby further ensuring the sealing performance.

[0055] Preferably, in this embodiment, the sealing plate 8 is preferably a flat plate structure.

[0056] Preferably, in this embodiment, the sealing sleeve 7 is made of rubber, and the protrusion is a layered accordion structure, which can be stretched and compressed up and down to produce displacement. A pull rod through hole is provided in the middle and can be mounted on the pull rod.

[0057] Example 5

[0058] On the basis of Example 4, in this embodiment, the sealing assembly further includes a sealing pressure plate 9 , which is fixed on the floor 5 and presses the sealing plate 8 tightly.

[0059] This solution has a simple structure and a reasonable design. The sealing plate 8 is pressed tightly against the floor 5 by the sealing pressing plate 9, and the assembly is convenient.

[0060] Preferably, in this embodiment, the size of the sealing plate 8 is larger than that of the opening 6 , and the edge of the sealing plate 8 is in close contact with the portion of the floor 5 corresponding to the edge of the opening 6 .

[0061] In addition, the sealing pressure plate 9 is pressed against the sealing plate 8 and is fixedly connected to the floor 5 by a plurality of bolts, and a plurality of screw holes cooperating with the plurality of bolts are provided on the sealing pressure plate 9 and the sealing plate 8 relative to each other.

[0062] Example 6

[0063] On the basis of Example 5, in this embodiment, the opening 6 is a waist-circular hole, the sealing plate 8 is a waist-circular plate, the sealing pressure plate 9 is a waist-circular ring plate; and the sealing sleeve 7 is a corrugated sleeve.

[0064] The solution has a simple structure, and the shapes of the various components are reasonably designed and adapted to each other, thereby ensuring the sealing effect of the sealing assembly.

[0065] Preferably, in this embodiment, the outer edge size of the sealing pressure plate 9 is equal to the size of the sealing plate 8, which can not only achieve the sealing pressure plate 9 pressing the sealing plate 8 tightly, but also save consumables and ensure the stability of the sealing plate 8 assembly.

[0066] In addition, the opening 6 provided on the floor 5 can lift the pin hole of the rocker arm 11 to the top of the floor 5, which is convenient for installation and subsequent maintenance and disassembly, and solves the problems of installation difficulties and production rhythm.

[0067] Example 7

[0068] On the basis of the above embodiments, in this embodiment, the lower end of the upper pull rod 1 and the lower end of the lower pull rod 2 are connected via an adjustment sleeve.

[0069] This solution has a simple structure and a reasonable design. The upper pull rod 1 and the lower pull rod 2 are connected by an adjusting sleeve to realize segmented assembly of the pull rod, which is convenient for assembly.

[0070] Example 8

[0071] Based on Example 7, in this embodiment, the lower end of the upper pull rod 1 and the upper end of the lower pull rod 2 are respectively provided with threaded sections, and the adjusting sleeve is an adjusting screw sleeve 3, and the two ends of the adjusting screw sleeve 3 are respectively threadedly connected to the lower end of the upper pull rod 1 and the upper end of the lower pull rod 2.

[0072] This solution has a simple structure and a reasonable design. The adjusting screw sleeve 3 is threadedly connected to the lower end of the upper pull rod 1 and the upper end of the lower pull rod 2 respectively, which is convenient to assemble and saves time and effort.

[0073] Preferably, in this embodiment, both ends of the adjusting screw sleeve 3 are respectively threadedly connected to the lower end of the upper pull rod 1 and the upper end of the lower pull rod 2, so as to facilitate adjustment of the overall length of the pull rod.

[0074] Preferably, in this embodiment, the lower end of the upper pull rod 1 is a right-handed thread, and the upper end of the lower pull rod 2 is a left-handed thread.

[0075] In addition, the outer surface of the adjusting screw sleeve 3 is in the form of an external hexagon, which is convenient for tightening with a wrench, and the inner surface is a threaded hole with a right-hand thread on the upper side and a left-hand thread on the lower side. In this way, the upper and lower pull rods can be connected when the adjusting screw sleeve is rotated, and nuts can be used to tighten the upper and lower ends to achieve the purpose of loosening.

[0076] Example 9

[0077] On the basis of Example 8, in this embodiment, the lower end of the upper pull rod 1 and the upper end of the lower pull rod 2 are respectively threaded with a fastening nut 4, and the two fastening nuts 4 are respectively in contact with the two ends of the adjusting screw sleeve 3.

[0078] This solution has a simple structure and a reasonable design, and utilizes two backup nuts 4 to further increase the assembly stability of the adjusting screw sleeve 3.

[0079] Based on the above solution, two backup nuts 4 are located at both ends of the adjusting screw sleeve 3 .

[0080] Example 10

[0081] On the basis of the above embodiments, this embodiment further provides a tractor, comprising the cab clutch pull rod structure with sealing function as described above.

[0082] This embodiment also provides a tractor with a simple structure and reasonable design. The segmented design of the pull rod facilitates assembly, solving problems such as insufficient installation space and assembly line rhythm. At the same time, the provision of a sealing assembly effectively solves the problem of insufficient sealing performance of the cab.

[0083] The assembly process of the utility model is as follows:

[0084] 1. The rocker arm is installed on the chassis in advance along the chassis line;

[0085] 2. Install the cab. Install the cab as a whole onto the tractor chassis. The upper tie rod and its spare nuts have already been installed on the cab.

[0086] 3. Pull the rocker arm upward from the long hole so that the pin hole of the rocker arm is above the floor, and then connect the pull fork to the rocker arm through the pin;

[0087] 4. Connect the lower end of the lower pull rod to the pull fork (threaded connection);

[0088] 5. Pass the sealing sleeve through the lower pull rod, then place the sealing pressure plate on top of the sealing sleeve, and press the two together on the floor surface with three bolts;

[0089] 6. Install the backup nut of the lower tie rod on the lower tie rod, then return the rocker arm to its original position and connect the upper tie rod and the lower tie rod together by adjusting the screw sleeve (threaded connection);

[0090] 7. Tighten the spare nuts above and below the adjusting screw sleeve to achieve the purpose of loosening.

[0091] The various components are installed from bottom to top, with the cab falling on top. Through the opening, the rocker arm and the pull fork are connected by a pin shaft.

[0092] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0093] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

[0094] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cab clutch rod structure with a sealing function, characterized by: The invention comprises a pull rod and a sealing assembly, wherein the pull rod comprises an upper pull rod (1) and a lower pull rod (2), the upper pull rod (1) and the lower pull rod (2) are respectively arranged vertically and distributed relatively up and down, and the upper pull rod (1) is located above the lower pull rod (2), and the lower end of the upper pull rod (1) is detachably connected to the upper end of the lower pull rod (2); the sealing assembly is installed at the lower end of the lower pull rod (2).

2. The cab clutch rod structure with sealing function according to claim 1, characterized in that: It also includes a floor (5), which is provided with an opening (6) running through it from top to bottom; the lower end of the lower pull rod (2) passes through the opening (6) and extends to the bottom of the floor (5); the sealing component is located at the opening (6) and seals the opening (6).

3. The cab clutch rod structure with sealing function according to claim 2, characterized in that: It also includes a pull fork (10) and a rocker arm (11), wherein the pull fork (10) is a U-shaped structure, and its closed end is connected to the lower end of the lower pull rod (2); one end of the rocker arm (11) extends into the open end of the pull fork (10) and is rotatably connected to both sides of the open end of the pull fork (10) through a pin shaft (12); the other end of the rocker arm (11) is fixedly connected to a rotating drum (13).

4. The cab clutch rod structure with sealing function according to claim 2, characterized in that: The sealing assembly comprises a sealing sleeve (7) and a sealing plate (8); the sealing plate (8) is fixedly sleeved on the lower pull rod (2) and seals the opening (6); the sealing sleeve (7) is fixedly sleeved on the lower pull rod (2), and its lower end is fixedly connected to the sealing plate (8).

5. The cab clutch rod structure with sealing function according to claim 4, characterized in that: The sealing assembly further comprises a sealing pressure plate (9), which is fixed on the floor (5) and presses the sealing plate (8) tightly.

6. The cab clutch rod structure with sealing function according to claim 5, characterized in that: The opening (6) is a waist-circular hole, the sealing plate (8) is a waist-circular plate, the sealing pressure plate (9) is a waist-circular ring plate; and the sealing sleeve (7) is a corrugated sleeve.

7. The cab clutch rod structure with sealing function according to any one of claims 1 to 6, characterized in that: The lower end of the upper pull rod (1) and the lower end of the lower pull rod (2) are connected via an adjustment sleeve.

8. The cab clutch rod structure with sealing function according to claim 7, characterized in that: The lower end of the upper pull rod (1) and the upper end of the lower pull rod (2) are respectively provided with threaded sections, and the adjustment sleeve is an adjustment screw sleeve (3), and the two ends of the adjustment screw sleeve (3) are respectively threadedly connected to the lower end of the upper pull rod (1) and the upper end of the lower pull rod (2).

9. The cab clutch rod structure with sealing function according to claim 8, characterized in that: The lower end of the upper pull rod (1) and the upper end of the lower pull rod (2) are respectively threadedly sleeved with a fastening nut (4), and the two fastening nuts (4) are respectively in contact with the two ends of the adjusting screw sleeve (3).

10. A tractor, characterized in that: It comprises a cab clutch pull rod structure with a sealing function as described in any one of claims 1 to 9.

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