Tractor hood locking device and tractor with same

Abstract

The utility model relates to a tractor hood locking device and a tractor with the same. The tractor hood locking device comprises a fixing frame, an annular spring bolt, a pulling and locking assembly, a stay wire pipe, a stay wire and a pulling piece, the fixing frame is assembled and connected with the inner wall of the front end of a hood, a mounting part connected with a headlamp assembly at the front end of the hood is arranged on the fixing frame, and the spring bolt is vertically assembled at the lower end of the fixing frame; the pulling and locking assembly is installed on a frame body matched with an inner cavity of the hood, the upper end of the stay wire pipe is connected with the frame body matched with the inner cavity of the hood, the lower end of the stay wire pipe is connected with a water tank base plate on the lower portion of the inner cavity of the hood, the stay wire penetrates through the stay wire pipe, the upper end of the stay wire is connected with the pulling and locking assembly, and the lower end of the stay wire penetrates out of the water tank base plate and is connected with the pulling piece. And the spring bolt is matched with the pulling locking assembly and the lock. The engine hood has the advantages that the engine hood can be matched with a novel tractor hood with a PTO before loading and is integrally loaded with a headlamp, so that the layout of parts in the engine hood is more compact and reasonable, and the spatial layout is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery equipment, in particular to a tractor hood locking device and a tractor with the same. Background Art

[0002] Most of the existing tractors on the market do not have a front PTO. In this type of tractor, the hood lock is generally fixed to the hood frame and bracket, and is a side-pull type. However, because the new generation of tractors are equipped with a front PTO box, the existing hood lock layout can no longer match the new generation of tractors and is not compatible. This results in a lack of regular layout during production, and it is easy to interfere with other components after installation, resulting in irregular assembly of components inside the hood and unreasonable spatial layout.

[0003] Based on this, it is necessary to develop a new hood lock that can match the tractor with a front PTO box. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a tractor hood locking device and a tractor with the same, which effectively overcomes the defects of the prior art.

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

[0006] A tractor hood locking device comprises a fixing frame, an annular locking tongue, a pulling and locking assembly, a wire drawing tube, a pulling wire and a pulling piece. The fixing frame is assembled and connected with the front inner wall of the hood. The fixing frame is provided with a mounting portion connected with the headlight assembly at the front end of the hood. The locking tongue is vertically assembled at the middle part of the lower end of the fixing frame. The pulling and locking assembly is mounted on a frame body adapted to the inner cavity of the hood. The upper end of the wire drawing tube is connected to the frame body adapted to the inner cavity of the hood through a first fixing structure. The lower end of the wire drawing tube is connected to a water tank pad at the lower part of the inner cavity of the hood through a second fixing structure. The pulling wire runs through the wire drawing tube, the upper end of which is connected to the pulling and locking assembly, and the lower end passes through the bottom of the water tank pad and is connected to the pulling piece. The locking tongue is locked and matched with the pulling and locking assembly, or is unlocked when pulled by the wire drawing tube.

[0007] On the basis of the above technical solution, the present invention can also be improved as follows.

[0008] Furthermore, the above-mentioned pulling and locking assembly includes a vertically arranged mounting plate, a first locking component and a second locking component, the above-mentioned mounting plate is fixed to the front side of a frame body adapted to the inner cavity of the hood, the above-mentioned first locking component is rotatably mounted on one end of the front side of the above-mentioned mounting plate through a first rotating shaft, and the above-mentioned second locking component is rotatably mounted on the other end of the front side of the above-mentioned mounting plate through a second rotating shaft, the above-mentioned first locking component has a first locking portion extending toward the above-mentioned second locking component, the above-mentioned second locking component has a second locking portion that does not extend toward the above-mentioned first locking component, the above-mentioned second locking portion is located above the above-mentioned first locking portion, the above-mentioned first rotating shaft is provided with a first torsion spring, and a connecting arm of the above-mentioned first torsion spring is connected to the above-mentioned mounting plate The second locking member is connected to the upper edge of one end of the mounting plate, the other connecting arm of the first torsion spring is connected to the lower portion of the first locking member, the second rotating shaft is sleeved with a second torsion spring, one connecting arm of the second torsion spring is connected to the upper edge of the other end of the mounting plate, the other connecting arm of the second torsion spring is connected to the lower portion of the second locking member, a locking hook portion is provided at one end of the upper portion of the second locking member close to the first locking member, a locking tongue matching area is formed between the locking hook portion and the second locking portion, a notch for accommodating the locking tongue is provided in the middle portion of the upper end of the mounting plate, the upper end of the pull wire is connected to the lower end of the first locking member, and is used to pull the first locking member to swing downward around the first rotating shaft under the action of external force.

[0009] Furthermore, hook portions are vertically provided on the front sides of the upper edges of both ends of the mounting plate, and the ends of a connecting arm of the first torsion spring and a connecting arm of the second torsion spring are respectively provided with bent hooks adapted to the hook portions, and the bent hooks are hooked with the corresponding hook portions.

[0010] Furthermore, a connecting block is provided at the lower front part of the above-mentioned first locking component, and the other connecting arm of the above-mentioned first torsion spring is fixedly connected to the above-mentioned connecting block. The end of the other connecting arm of the above-mentioned second torsion spring is provided with a hook, and is hung on the lower end edge of the above-mentioned second locking component through the hook.

[0011] Furthermore, a through hole connected to the upper end of the pull wire is provided at the lower end of the first locking portion.

[0012] Furthermore, the lock tongue is a U-shaped component, a horizontal lock tongue seat is provided at the upper end thereof, and is assembled to the lower end of the fixing frame through the lock tongue seat.

[0013] Furthermore, the fixing frame is a horizontally arranged strip-shaped plate, an upper end of which is provided with a connecting portion perpendicular thereto, and the connecting portion is assembled and connected to the front end inner wall of the hood.

[0014] Furthermore, the mounting portion includes two mounting plate surfaces, and the two mounting plate surfaces are respectively vertically arranged on the upper parts of both ends of the fixing frame.

[0015] Furthermore, the connecting portion and the mounting portion are respectively formed integrally with the fixing frame.

[0016] The beneficial effects of the utility model are: the structural design is simple and reasonable, can match the new tractor hood with a front PTO, and is integrated with the headlights, so that the layout of the parts in the hood is more compact and reasonable, and the space layout is optimized.

[0017] A tractor is also provided, comprising a tractor hood locking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a tractor hood locking device of the utility model;

[0019] Figure 2 This is a structural schematic diagram of the tractor hood locking device of the utility model from another perspective.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Fixing frame; 2. Lock tongue; 3. Pull locking assembly; 4. Wire drawing tube; 5. Wire drawing; 6. Pulling member; 11. Mounting portion; 12. Connecting portion; 21. Lock tongue seat; 31. Mounting plate; 32. First locking component; 33. Second locking component; 34. First torsion spring; 35. Second torsion spring; 41. First fixing structure; 42. Second fixing structure; 321. First locking portion; 331. Second locking portion; 332. Lock hook portion. DETAILED DESCRIPTION

[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0023] Example: Figure 1 and 2 As shown, the tractor hood locking device of this embodiment includes a fixing frame 1, an annular locking tongue 2, a pulling and locking assembly 3, a wire drawing tube 4, a pulling wire 5 and a pulling piece 6. The above-mentioned fixing frame 1 is assembled and connected with the front inner wall of the hood, and the above-mentioned fixing frame 1 is provided with a mounting portion 11 connected with the headlight assembly at the front end of the hood. The above-mentioned locking tongue 2 is vertically assembled at the middle part of the lower end of the above-mentioned fixing frame 1, and the above-mentioned pulling and locking assembly 3 is mounted on a frame body adapted to the inner cavity of the hood. The upper end of the above-mentioned wire drawing tube 4 is connected to the frame body adapted to the inner cavity of the hood through a first fixing structure 41, and the lower end of the above-mentioned wire drawing tube 4 is connected to the water tank pad at the lower part of the inner cavity of the hood through a second fixing structure 42. The above-mentioned pulling wire 5 passes through the above-mentioned wire drawing tube 4, and its upper end is connected to the above-mentioned pulling and locking assembly 3, and the lower end passes through the bottom of the water tank pad and is connected to the above-mentioned pulling piece 6. The above-mentioned locking tongue 2 is locked with the above-mentioned pulling and locking assembly 3, or is unlocked when pulled by the above-mentioned pulling wire 5.

[0024] The tractor hood locking device of this embodiment is based on the hood design of a new generation of tractors equipped with front PTO. During assembly, the fixing frame 1 is assembled on the inner wall of the front section of the hood, the pulling and locking assembly 3 is assembled on the front end of the battery bracket inside the hood, the upper end of the wire tube 4 is assembled with the front end of the battery bracket, the lower end of the wire tube 4 is connected to the water tank pad, the lower end of the wire 5 passes through the vertical pad and is connected with a pulling member 6, when the hood is closed, the locking tongue 2 is locked with the pulling and locking assembly 3, when the hood needs to be opened, the pulling and locking assembly 3 is pulled by the pulling member 6, the pulling and locking assembly 3 is unlocked, the hood will pop up, the locking tongue 2 is separated from the pulling and locking assembly 3, and it can be opened. At the same time, the entire locking device is assembled and connected with the headlight assembly at the front end of the hood through the fixing frame 1, the overall integration is high, the spatial layout inside the hood is optimized, and the assembly of parts is more regular.

[0025] In this embodiment, the upper and lower ends of the wire pulling tube 4 are respectively connected with externally threaded pipe fittings, and two first nuts (indicated by a in the figure) are screwed on the two externally threaded pipe fittings respectively. The externally threaded pipe fitting at the upper end of the wire pulling tube 4 passes through a sheet metal bracket adapted thereto, and is locked on both sides of the sheet metal bracket by two first nuts. The sheet metal bracket is then assembled with the front end of the battery bracket to fix the upper end of the wire pulling tube 4, wherein the sheet metal bracket and the two first nuts together constitute a first fixing structure 41. The externally threaded pipe fitting at the lower end of the wire pulling tube 4 vertically passes through the through hole on the water tank pad, and two second nuts (indicated by c in the figure) are screwed on the externally threaded pipe fitting, and the two second nuts are respectively located at the upper and lower ends of the water tank pad, and abut against the water tank pad, thereby fixing the lower end of the wire pulling tube 4, wherein the two second nuts constitute a second fixing structure 42.

[0026] As a preferred embodiment, the pulling and locking assembly 3 includes a vertically arranged mounting plate 31, a first locking component 32 and a second locking component 33. The mounting plate 31 is fixed to the front side of a frame adapted to the inner cavity of the hood. The first locking component 32 is rotatably mounted on one end of the front side of the mounting plate 31 via a first rotating shaft. The second locking component 33 is rotatably mounted on the other end of the front side of the mounting plate 31 via a second rotating shaft. The first locking component 32 has a first locking portion 321 extending toward the second locking component 33. The second locking component 33 has a second locking portion 331 that does not extend toward the first locking component 32. The second locking portion 331 is located above the first locking portion 321. A first torsion spring 34 is mounted on the first rotating shaft. A connecting arm of the first torsion spring 34 is connected to the The upper edge of one end of the above-mentioned mounting plate 31 is connected, the other connecting arm of the above-mentioned first torsion spring 34 is connected to the lower part of the above-mentioned first locking component 32, the above-mentioned second rotating shaft is mounted with a second torsion spring 35, one connecting arm of the above-mentioned second torsion spring 35 is connected to the upper edge of the other end of the above-mentioned mounting plate 31, and the other connecting arm of the above-mentioned second torsion spring 35 is connected to the lower part of the above-mentioned second locking component 33, and the upper end of the above-mentioned second locking component 33 is provided with a lock hook portion 332 at one end close to the above-mentioned first locking component 32, and a lock tongue matching area is formed between the above-mentioned lock hook portion 332 and the above-mentioned second locking portion 331, and a notch for accommodating the above-mentioned lock tongue 2 is provided in the middle part of the upper end of the above-mentioned mounting plate 31, and the upper end of the above-mentioned pull wire 5 is connected to the lower end of the above-mentioned first locking portion 321, which is used to pull the above-mentioned first locking portion 321 to swing downward around the first rotating shaft under the action of external force.

[0027] In the above embodiment, when locking, the lock tongue 2 is embedded in the notch in the middle of the upper end of the mounting plate 31 and is hooked with the lower edge of the lock hook portion 332. In this state, the upper edge of the first locking portion 321 contacts the lower edge of the second locking portion 331. At the same time, the lower edge of the second locking portion 331 forms a limiting hook (indicated by d in the figure), and the end of the first locking portion 321 is embedded in the limiting hook. Since the second torsion spring 35 is always in an elastic deformation state (and tends to drive the second locking component 33 to swing upward), the two restrain each other and will not move, that is, they maintain the locked state. When unlocking is required, the pull wire 5 is pulled downward by the pulling member 6, and the pull wire drives The first locking member 32 swings downward relative to the first rotating shaft, while swinging, it overcomes the elastic force of the first torsion spring 34, and synchronously, the first locking portion 321 moves downward and away from the second locking portion 331, and the end of the first locking portion 321 presses downward and disengages from the limiting hook. After disengagement, the second locking portion 331 is no longer restricted, and the second torsion spring 35 will drive the second locking portion 331 to swing upward around the second rotating shaft under the action of elastic force, that is, the lock hook portion 332 swings upward, so that the lock tongue 2 is no longer hooked and matched with the lock hook portion 332, and unlocking is achieved in cooperation with the upward spring of the hood. After the external force is removed, the first locking member 32 and the second locking member 33 swing back to continue to self-lock with each other. When the hood needs to be closed again, the hood is pressed down by external force, and at the same time, the lock tongue 2 presses the lock hook portion 332 downward until it is squeezed and slides into the lock tongue matching area, and then the lock hook portion 332 will return to its position under the action of the second torsion spring 35 to achieve hooking and matching with the lock tongue 2. The overall structural design is reasonable and can achieve effective locking and unlocking operations.

[0028] As a preferred embodiment, hook portions are vertically provided on the front sides of the upper edges of both ends of the mounting plate 31, and the ends of a connecting arm of the first torsion spring 34 and a connecting arm of the second torsion spring 35 are respectively provided with bent hooks adapted to the hook portions, and the bent hooks are hooked with the corresponding hook portions.

[0029] In the above embodiment, one connecting arm of the first torsion spring 34 and the second torsion spring 35 are respectively assembled with the hooking portion adapted to the upper end of the mounting plate 31 through a bent hook, so the structural coordination is relatively simple and the assembly is quick.

[0030] In this embodiment, a connecting block is provided at the front lower part of the first locking member 32, the other connecting arm of the first torsion spring 34 is connected and fixed to the connecting block (indicated by d in the figure), and the end of the other connecting arm of the second torsion spring 35 is provided with a hook, and is hung on the lower edge of the second locking member 33 through the hook. The structural design is simple, and the assembly of the torsion spring is convenient and quick.

[0031] In this embodiment, the lower end of the first locking portion 321 is provided with a through hole connected to the upper end of the pull wire 5. After the upper end of the pull wire 5 passes through the through hole, it can be fixed by tying a knot or other connection structures.

[0032] In this embodiment, the lock tongue 2 is a U-shaped member, and a horizontal lock tongue seat 21 is provided at the upper end thereof, and is assembled to the lower end of the fixing frame 1 through the lock tongue seat 21. The design of the lock tongue seat 21 makes the assembly of the lock tongue 2 and the lower end of the fixing frame 1 more stable, and the two are connected by bolts.

[0033] In this embodiment, the fixing frame 1 is a horizontally arranged strip plate, and a connecting portion 12 is provided at its upper end and is perpendicular thereto. The connecting portion 12 is assembled and connected to the front inner wall of the hood. The fixing frame 1 has a simple structure and shape, and the design of the connecting portion 12 is adapted to the layout of the front end of the hood. The connecting portion 12 is generally arranged vertically at the front edge of the fixing frame 1.

[0034] In this embodiment, the mounting portion 11 includes two mounting plate surfaces, which are respectively vertically arranged at the upper parts of both ends of the fixing frame 1. The two mounting portions 11 are just suitable for two headlights, and are integrated with the headlights to optimize the layout of the components inside the hood.

[0035] In this embodiment, the connection portion 12 and the mounting portion 11 are respectively formed integrally with the fixing frame 1. Specifically, the connection portion 12 and the mounting portion 11 are formed by bending upward from the front side of the fixing frame 1, and the structural strength is good.

[0036] Example 2

[0037] The tractor of this embodiment includes the tractor hood locking device of embodiment 1.

[0038] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" 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 referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0039] In addition, the terms "first" and "second" are used for descriptive purposes only and should not 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" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0040] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean 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, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0043] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A tractor hood locking device, characterized in that: The invention comprises a fixing frame (1), an annular locking tongue (2), a pulling and locking assembly (3), a wire drawing tube (4), a pulling wire (5) and a pulling member (6); the fixing frame (1) is assembled and connected with the front inner wall of the hood; the fixing frame (1) is provided with a mounting portion (11) connected with the headlight assembly at the front end of the hood; the locking tongue (2) is vertically assembled at the middle part of the lower end of the fixing frame (1); the pulling and locking assembly (3) is mounted on a frame body adapted to the inner cavity of the hood; the upper end of the wire drawing tube (4) is The first fixing structure (41) is connected to a frame adapted to the inner cavity of the hood, and the lower end of the wire pull tube (4) is connected to the water tank pad at the lower part of the inner cavity of the hood through the second fixing structure (42). The pull wire (5) passes through the wire pull tube (4), and its upper end is connected to the pulling and locking assembly (3), and its lower end passes through the bottom of the water tank pad and is connected to the pulling member (6). The locking tongue (2) is locked with the pulling and locking assembly (3), or is unlocked when the pull wire (5) is pulled.

2. A tractor hood locking device according to claim 1, characterized in that: The pulling and locking assembly (3) comprises a vertically arranged mounting plate (31), a first locking component (32) and a second locking component (33); the mounting plate (31) is fixed to the front side of a frame body adapted to the inner cavity of the hood; the first locking component (32) is rotatably mounted on one end of the front side of the mounting plate (31) via a first rotating shaft; the second locking component (33) is rotatably mounted on the other end of the front side of the mounting plate (31) via a second rotating shaft; the first locking component (32) has a first locking portion (321) extending toward the second locking component (33); the second locking component (33) has a second locking portion (331) that does not extend toward the first locking component (32); the second locking portion (331) is located above the first locking portion (321); a first torsion spring (34) is mounted on the first rotating shaft; a connecting arm of the first torsion spring (34) is connected to the mounting plate The second rotating shaft is provided with a second torsion spring (35), one connecting arm of the second torsion spring (35) is connected to the upper edge of one end of the mounting plate (31), the other connecting arm of the second torsion spring (35) is connected to the lower part of the first locking part (32), a second rotating shaft is provided with a second torsion spring (35), one connecting arm of the second torsion spring (35) is connected to the upper edge of the other end of the mounting plate (31), the other connecting arm of the second torsion spring (35) is connected to the lower part of the second locking part (33), a locking hook part (332) is provided at one end of the upper part of the second locking part (33) close to the first locking part (32), a locking tongue matching area is formed between the locking hook part (332) and the second locking part (331), a notch is provided in the middle part of the upper end of the mounting plate (31) for accommodating the locking tongue (2), the upper end of the pull wire (5) is connected to the lower end of the first locking part (321), and is used to pull the first locking part (321) to swing downward around the first rotating shaft under the action of external force.

3. A tractor hood locking device according to claim 2, characterized in that: Hooking parts are respectively vertically provided on the front sides of the upper edges of both ends of the mounting plate (31), and the ends of a connecting arm of the first torsion spring (34) and a connecting arm of the second torsion spring (35) are respectively provided with bent hooks adapted to the hooking parts, and the bent hooks are hooked with the corresponding hooking parts.

4. A tractor hood locking device according to claim 2, characterized in that: A connecting block is provided at the front lower part of the first locking component (32), and the other connecting arm of the first torsion spring (34) is connected and fixed to the connecting block. A hook is provided at the end of the other connecting arm of the second torsion spring (35) and is hung on the lower end edge of the second locking component (33) through the hook.

5. A tractor hood locking device according to claim 2, characterized in that: The lower end of the first locking portion (321) is provided with a through hole connected to the upper end of the pull wire (5).

6. A tractor hood locking device according to claim 1, characterized in that: The locking tongue (2) is a U-shaped component, the upper end of which is provided with a horizontal locking tongue seat (21), and is assembled to the lower end of the fixing frame (1) through the locking tongue seat (21).

7. A tractor hood locking device according to claim 1, characterized in that: The fixing frame (1) is a horizontally arranged strip-shaped plate, and a connecting portion (12) perpendicular thereto is provided at its upper end, and the connecting portion (12) is assembled and connected to the front inner wall of the hood.

8. A tractor hood locking device according to claim 7, characterized in that: The mounting portion (11) comprises two mounting plate surfaces, and the two mounting plate surfaces are respectively arranged vertically on the upper parts of both ends of the fixing frame (1).

9. A tractor hood locking device according to claim 8, characterized in that: The connecting portion (12) and the mounting portion (11) are respectively formed integrally with the fixing frame (1).

10. A tractor, characterized in that: The invention comprises a tractor hood locking device according to any one of claims 1 to 9.

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