Tractor rearview mirror mounting structure and tractor

By introducing vibration damping springs and adjusting shims into the tractor rearview mirror mounting structure, the resonance and ghosting problem of the tractor rearview mirror during engine acceleration is solved, effectively isolating and absorbing vibration energy, and improving driving safety and visibility stability.

CN223574323UActive Publication Date: 2025-11-21LOVOL HEAVY IND CO LTD
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Patent Information

Application Number
CN202520022003.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2025-11-21
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

Existing tractor rearview mirrors are prone to resonance and ghosting issues during engine acceleration, which affects the driver's judgment and increases driving risks.

Method used

A tractor rearview mirror mounting structure is adopted, including a base, a rotating shaft, a mounting bracket, and vibration isolation springs. The vibration is reduced by the vibration isolation springs, and high and low frequency vibrations are adjusted by the lower and upper vibration isolation pads. Limiting parts and positioning grooves are used to ensure installation stability, thereby achieving effective isolation and absorption of vibration energy.

Benefits of technology

It effectively reduces the resonance and ghosting phenomenon of the rearview mirror during engine acceleration, improves driving safety and visibility stability, and adapts to the visibility needs under different terrain conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a tractor rearview mirror installation structure and a tractor, the tractor rearview mirror installation structure comprises a base, a rotating shaft and an installation frame, one end of the rotating shaft is fixedly connected to the base, one end of the installation frame is connected to the rotating shaft in a sliding mode, the other end of the installation frame is used for fixing a rearview mirror, and the rotating shaft is sleeved with a vibration isolation spring. One end of the vibration isolation spring abuts against one end of the base. According to the rear-view mirror, the technical problem that resonance ghosting occurs on the rear-view mirror in the running process of an existing tractor, especially in the speed increasing process of an engine can be solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of rearview mirror, especially a tractor rearview mirror mounting structure and tractor. BACKGROUND

[0002] In modern agricultural machinery, the tractor as the main power source and operation tool, its performance and safety are directly related to the agricultural production efficiency and the user experience of the operator. The tractor rearview mirror as the key component to protect the driver's field of vision and improve the driving safety, its design and installation are particularly important. Especially when driving in the complex and changeable field and forest road, the tractor needs to have good passability, and the rearview mirror must maintain clear and stable field of vision to deal with possible emergencies.

[0003] However, the existing tractor rearview mirror often has resonance ghosting problem during engine speed-up process, which not only affects the driver's judgment, but also potentially increases the driving risk. UTILITY MODEL CONTENTS

[0004] The utility model provides a tractor rearview mirror mounting structure and tractor in view of the technical problem that the existing tractor rearview mirror appears resonance ghosting during driving process, especially during engine speed-up process.

[0005] The technical scheme that the utility model solves the above technical problem is as follows:

[0006] On the one hand, the utility model provides a tractor rearview mirror mounting structure, including base, the pivot that one end is fixedly connected in the base and the mounting bracket that one end is slidably connected in the pivot, the other end of the mounting bracket is used for fixing the rearview mirror, the pivot is equipped with the vibration isolation spring, and one end of the vibration isolation spring is abutted to one end of the base.

[0007] The utility model has the advantages that during installation, the base is fixedly installed on the safety frame or cab of the tractor, so that the installation of the rearview mirror is realized, and during use, when the vibration of the tractor engine and other parts is transmitted to the rearview mirror, the vibration is weakened through the vibration isolation spring, thereby improving the technical problem that the rearview mirror of the existing tractor appears resonance ghosting during driving process, especially during engine speed-up process.

[0008] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0009] Further, the pivot is equipped with the lower vibration isolation pad, one end of the vibration isolation spring is abutted to the lower vibration isolation pad, and the lower vibration isolation pad is abutted to the base.

[0010] The beneficial effect of the further scheme is that during driving, the high-frequency vibration generated by the tractor driving is adjusted and dispersed by the vibration isolation spring, and the low-frequency vibration generated by the tractor driving is simultaneously adjusted and dispersed by the lower vibration isolation pad, thereby improving the vibration reduction and isolation effect.

[0011] Further, the rotating shaft is provided with an upper vibration isolation pad, and the other end of the vibration isolation spring abuts against the upper vibration isolation pad, and the upper vibration isolation pad abuts against one end of the mounting frame.

[0012] The beneficial effect of the further scheme is that during driving, the high-frequency vibration generated by the tractor driving is adjusted and dispersed by the vibration isolation spring, and the low-frequency vibration generated by the tractor driving is simultaneously adjusted and dispersed by the lower vibration isolation pad, thereby improving the vibration reduction and isolation effect.

[0013] Further, the rotating shaft is provided with an upper vibration isolation pad, and the other end of the vibration isolation spring abuts against the upper vibration isolation pad, and the upper vibration isolation pad abuts against one end of the mounting frame.

[0014] The beneficial effect of the further scheme is that the installation of the mounting frame on the rotating shaft is limited by the limiting piece, which prevents the mounting frame from sliding off the rotating shaft, and at the same time, the limiting piece applies force to the mounting frame, so that the mounting frame indirectly presses the vibration isolation spring with the base, thereby ensuring the long-term effective vibration reduction and isolation effect of the vibration isolation spring.

[0015] Further, the limiting piece includes a washer sleeved on the rotating shaft and a self-locking nut threadedly connected to the rotating shaft, the self-locking nut abuts against the washer, and the washer abuts against one end of the mounting frame.

[0016] The beneficial effect of the further scheme is that during installation, the vibration isolation spring, the mounting frame, and the washer are sleeved on the rotating shaft in sequence, and then the self-locking nut is threadedly connected to the rotating shaft, so that the washer is pressed against the mounting frame by the screwing of the self-locking nut, and then the mounting frame applies force to the vibration isolation spring, thereby ensuring that the vibration isolation spring is pressed.

[0017] Further, the rotating shaft has a circular cross-section, and one end of the mounting frame is rotationally and slidingly connected to the rotating shaft.

[0018] The beneficial effect of the further scheme is that when the tractor drives on various terrain conditions such as fields and forests, the angle of the rearview mirror can be adjusted by rotating the mounting frame relative to the rotating shaft, so as to meet the demand for maintaining the field of view of the tractor under different terrain conditions.

[0019] Further, a plurality of positioning grooves are arranged on one end of the mounting frame and abut the one side of the gasket, and each positioning groove is distributed circumferentially along the rotation shaft as an axis.

[0020] The beneficial effect of the above further scheme is that when the mounting frame rotates relative to the rotation shaft, the positioning member arranged in the positioning groove slides out of the positioning groove to ensure smooth rotation of the mounting frame, and at this time, the vibration isolation spring is compressed and shortened; when the rotation is completed, the vibration isolation spring rebounds, the positioning member enters the positioning groove again, and the limiting is formed to prevent the mounting frame from rotating freely relative to the rotation shaft, thereby ensuring stable installation of the rearview mirror.

[0021] Further, the surface of each positioning member matched with the positioning groove is a circular arc surface, and each positioning member is rotationally connected to the gasket, and the rotation center axis is the axis of each positioning member.

[0022] The beneficial effect of the above further scheme is that when the positioning member slides relative to the positioning groove, the positioning member rotates around its own axis as the center axis to form rolling friction, thereby reducing the additional friction and vibration caused by rotation of the rearview mirror and the mounting frame.

[0023] Further, the mounting frame comprises a sleeve and a support fixedly connected to the side surface of the sleeve, the sleeve is slidingly connected to the rotation shaft, the other end of the vibration isolation spring abuts the sleeve, and the other end of the support is used for fixing the rearview mirror.

[0024] The beneficial effect of the above further scheme is that the sleeve is used to realize connection with the rotation shaft 3, and the support is used to realize installation of the rearview mirror.

[0025] On the other hand, the utility model provides a tractor, including the tractor rearview mirror mounting structure. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the structural drawing of the utility model;

[0027] Figure 2 It is the structural drawing of the utility model Figure 1 The partial enlarged view of;

[0028] Figure 3 It is the partial enlarged view of the utility model Figure 2 The partial enlarged view of.

[0029] In the drawings, the components represented by each reference numeral are listed as follows:

[0030] 1, rearview mirror; 2, base; 3, rotating shaft; 4, mounting frame; 41, sleeve; 411, positioning groove; 42, support; 5, vibration isolation spring; 51, lower vibration isolation pad; 52, upper vibration isolation pad; 6, limiting piece; 61, gasket; 62, self-locking nut; 63, positioning piece. DETAILED DESCRIPTION

[0031] The principles and features of the present application are described below in conjunction with the accompanying drawings, which are presented only for the purpose of explanation and are not intended to limit the scope of the present application.

[0032] In one aspect, the present application provides a tractor rearview mirror mounting structure, which is specifically described as follows.

[0033] Embodiment 1

[0034] As Figure 1 and Figure 2 A tractor rearview mirror mounting structure, comprising a base 2, a rotating shaft 3 fixedly connected to one end of the base 2, and a mounting frame 4 slidably connected to one end of the rotating shaft 3, the other end of the mounting frame 4 being used to fix the rearview mirror 1, the rotating shaft 3 being sleeved with a vibration isolation spring 5, one end of the vibration isolation spring 5 abutting against the base 2, and the other end of the vibration isolation spring 5 abutting against one end of the mounting frame 4.

[0035] The beneficial effects of the present embodiment are as follows: during installation, the base 2 is fixedly installed on the safety frame or cab of the tractor, etc., to realize the installation of the rearview mirror 1; during use, when the vibration of the tractor engine and other components is transmitted to the rearview mirror 1, it passes through the vibration isolation spring 5 to weaken the vibration through the vibration isolation spring 5, thereby improving the technical problem that the rearview mirror 1 of the existing tractor resonates and ghosting during driving, especially during engine speed-up.

[0036] Embodiment 2

[0037] As Figure 1 and Figure 2 On the basis of embodiment 1, the rotating shaft 3 is sleeved with a lower vibration isolation pad 51, one end of the vibration isolation spring 5 abutting against the lower vibration isolation pad 51, and the lower vibration isolation pad 51 abutting against the base 2.

[0038] The beneficial effects of the preferred scheme in the above embodiment are as follows: during driving, the high-frequency vibration generated by the tractor driving is adjusted and dispersed through the vibration isolation spring 5, and at the same time, the low-frequency vibration generated by the tractor driving is adjusted and dispersed through the lower vibration isolation pad 51, so as to improve the vibration reduction and isolation effect.

[0039] The lower vibration isolation pad 51 can be made of rubber, silicone or the like.

[0040] Embodiment 3

[0041] As Figure 1and Figure 2 On the basis of embodiments 1 and 2, the shaft 3 is sleeved with an upper vibration isolation pad 52, the other end of the vibration isolation spring 5 abuts against the upper vibration isolation pad 52, and the upper vibration isolation pad 52 abuts against one end of the mounting frame 4.

[0042] The beneficial effect of the preferred scheme in the above embodiments is that, during driving, the high-frequency vibration generated by the tractor driving is adjusted and dispersed by the vibration isolation spring 5, and the low-frequency vibration generated by the tractor driving is adjusted and dispersed by the lower vibration isolation pad 51, and the low-frequency vibration is further adjusted and dispersed by the upper vibration isolation pad 52, and the three work together to achieve effective isolation and absorption of vibration energy, thereby improving the technical problem that the rearview mirror 1 of the existing tractor resonates and appears ghosting during driving, especially during engine speed-up.

[0043] The upper vibration isolation pad 52 can be made of rubber, silicone or the like.

[0044] Embodiment 4

[0045] As Figures 1 to 3 On the basis of embodiments 1-3, the tractor rearview mirror mounting structure further comprises a limiting piece 6, which is detachably connected to the other end of the shaft 3 and abuts against the mounting frame 4.

[0046] The beneficial effect of the preferred scheme in the above embodiments is that the installation of the mounting frame 4 is limited by the limiting piece 6 to prevent the mounting frame 4 from sliding off the shaft 3, and at the same time, the limiting piece 6 applies force to the mounting frame 4, so that the mounting frame 4 is indirectly pressed against the vibration isolation spring 5 by the base 2, thereby ensuring the long-term effective vibration reduction and isolation effect of the vibration isolation spring 5.

[0047] As a specific scheme of the above embodiments, the limiting piece 6 can be detachably connected to the shaft 3 by screw connection, clamping, riveting or the like.

[0048] Embodiment 5

[0049] As Figure 2 and Figure 3 On the basis of embodiments 1-4, the limiting piece 6 comprises a washer 61 sleeved on the shaft 3 and a self-locking nut 62 threadedly connected to the shaft 3, the self-locking nut 62 abuts against the washer 61, and the washer 61 abuts against one end of the mounting frame 4.

[0050] The beneficial effect of the preferred scheme in the above embodiments is that, during installation, the vibration isolation spring 5, the mounting frame 4 and the washer 61 are sleeved on the shaft 3 in sequence, and then the self-locking nut 62 is threadedly connected to the shaft 3, so that the washer 61 is pressed against the mounting frame 4 by the rotation of the self-locking nut 62, and then the mounting frame 4 applies force to the vibration isolation spring 5, thereby ensuring that the vibration isolation spring 5 is pressed.

[0051] Embodiment 6

[0052] As Figure 2 And Figure 3 On the basis of Embodiments 1-5, the cross section of the rotating shaft 3 is circular, and one end of the mounting frame 4 is rotatably and slidingly connected to the rotating shaft 3.

[0053] The beneficial effect of the preferred solution in the above embodiments is that when the tractor is running in various terrain conditions such as fields and forests, the angle of the rearview mirror 1 can be adjusted by rotating the mounting frame 4 relative to the rotating shaft 3 to meet the needs of maintaining the field of view of the tractor under different terrain conditions.

[0054] Embodiment 7

[0055] As Figure 2 And Figure 3 On the basis of Embodiments 1-6, a plurality of positioning grooves 411 are formed on one side of the gasket 61, and each positioning groove 411 is circumferentially spaced apart about the rotating shaft 3; the limiting piece 6 further comprises a plurality of positioning pieces 63, each of which is connected to the gasket 61 and abuts against each positioning groove 411.

[0056] The beneficial effect of the preferred solution in the above embodiments is that when the mounting frame 4 is rotated relative to the rotating shaft 3, the positioning piece 63 arranged in the positioning groove 411 slides out of the positioning groove 411 to ensure smooth rotation of the mounting frame 4, and at this time, the vibration isolation spring 5 is compressed and shortened; when it is rotated to the right position, the vibration isolation spring 5 rebounds, the positioning piece 63 again enters the positioning groove 411, and the limiting is formed to prevent the mounting frame 4 from rotating freely relative to the rotating shaft 3, thereby ensuring the stable installation of the rearview mirror 1.

[0057] The specific number of the positioning grooves 411 can be two, three, four, five, or six, etc.

[0058] Embodiment 8

[0059] As Figure 2 And Figure 3 On the basis of Embodiments 1-7, the surface of each positioning piece 63 that cooperates with each positioning groove 411 is a circular arc surface, and each positioning piece 63 is rotatably connected to the gasket 61, and the rotation center axis is the axis of each positioning piece 63 itself.

[0060] The beneficial effect of the preferred solution in the above embodiments is that when the positioning piece 63 slides relative to the positioning groove 411, the positioning piece 63 rotates about its own axis as the center axis, forming rolling friction to reduce the additional friction and vibration caused by the rotation of the rearview mirror 1 and the mounting frame 4.

[0061] Embodiment 9

[0062] As Figure 1 And Figure 2 On the basis of the embodiments 1-8, the mounting frame 4 comprises a sleeve 41 and a bracket 42 fixedly connected to the side of the sleeve 41, the sleeve 41 is slidingly connected to the rotating shaft 3, and the other end of the vibration isolation spring 5 abuts against the sleeve 41.

[0063] The beneficial effect of the preferred scheme in the above embodiments is that the sleeve 41 is used to realize the connection with the rotating shaft 3, and the bracket 42 is used to realize the installation of the rearview mirror 1.

[0064] The bracket 42 is horizontally extended at one end and fixedly connected to the sleeve 41, is obliquely extended upward at the middle end, and is vertically extended upward at the other end to realize the installation of the rearview mirror 1.

[0065] On the other hand, the utility model provides a tractor, and the specific is seen in the following elaboration.

[0066] Embodiment 10

[0067] A tractor comprises the tractor rearview mirror mounting structure described in the embodiments 1-9.

[0068] The beneficial effect of the preferred scheme in the above embodiments is that the vibration isolation spring 5, the lower vibration isolation pad 51 and the upper vibration isolation pad 52 are introduced into the connecting part between the rearview mirror 1 and the tractor safety frame or cab to constitute a damping mechanism, which can not only guarantee the rotation function of the rearview mirror 1 during the driving of the tractor, but also effectively absorb and disperse the vibration energy generated when the engine increases speed, so as to avoid the resonance ghosting phenomenon of the rearview mirror 1.

[0069] The vibration isolation spring 5, the lower vibration isolation pad 51 and the upper vibration isolation pad 52 are combined, the lower vibration isolation pad 51 and the upper vibration isolation pad 52 have good elasticity and wear resistance and can absorb low-frequency vibration, and the vibration isolation spring 5 can adjust and disperse high-frequency vibration, and the two cooperate to realize effective isolation and absorption of vibration energy.

[0070] By arranging the rotating shaft 3 and the sleeve 41, the rearview mirror 1 can rotate freely within a certain range, meeting the needs of maintaining the field of view of the tractor under different terrain conditions. At the same time, by arranging the matched positioning groove 411 and the positioning piece 63, it is ensured that the rotation is smooth and stable, and the additional friction and vibration caused by the rotation are reduced.

[0071] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0072] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0073] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0074] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0075] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0076] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A tractor rearview mirror mounting structure, characterized in that, The mounting structure comprises a base (2), a rotating shaft (3) fixedly connected to one end of the base (2), and a mounting rack (4) slidably connected to one end of the rotating shaft (3), the other end of the mounting rack (4) being used for fixing a rearview mirror (1), the rotating shaft (3) being sleeved with a vibration isolation spring (5), one end of the vibration isolation spring (5) abutting against the base (2), and the other end of the vibration isolation spring (5) abutting against one end of the mounting rack (4).

2. The tractor mirror mounting structure according to claim 1, characterized by The rotating shaft (3) is sleeved with a lower vibration isolation pad (51), one end of the vibration isolation spring (5) abutting against the lower vibration isolation pad (51), and the lower vibration isolation pad (51) abutting against the base (2).

3. The tractor mirror mounting structure according to claim 2, wherein The rotating shaft (3) is sleeved with an upper vibration isolation pad (52), the other end of the vibration isolation spring (5) abutting against the upper vibration isolation pad (52), and the upper vibration isolation pad (52) abutting against one end of the mounting rack (4).

4. The tractor rearview mirror mounting structure according to claim 1, characterized by The mounting structure further comprises a limiting piece (6) detachably connected to the other end of the rotating shaft (3) and abutting against the mounting rack (4).

5. The tractor mirror mounting structure according to claim 4, wherein The limiting piece (6) comprises a washer (61) sleeved on the rotating shaft (3) and a self-locking nut (62) threadedly connected to the rotating shaft (3), the self-locking nut (62) abutting against the washer (61), and the washer (61) abutting against one end of the mounting rack (4).

6. The tractor mirror mounting structure according to claim 5, wherein The rotating shaft (3) has a circular cross section, and one end of the mounting rack (4) is rotatably and slidably connected to the rotating shaft (3).

7. The tractor mirror mounting structure according to claim 6, wherein A plurality of positioning grooves (411) are formed in one side of the washer (61) abutting against one end of the mounting rack (4), and each positioning groove (411) is circumferentially spaced apart about the rotating shaft (3); the limiting piece (6) further comprises a plurality of positioning pieces (63) connected to the washer (61), and each positioning piece (63) abuts against each positioning groove (411).

8. The tractor mirror mounting structure according to claim 7, wherein Each positioning piece (63) and each positioning groove (411) are matched with a circular arc surface, and each positioning piece (63) is rotatably connected to the washer (61), and the rotational center axis is the axis of each positioning piece (63).

9. The tractor mirror mounting structure according to any one of claims 1 to 8, characterized by The mounting rack (4) comprises a sleeve (41) and a support (42) fixedly connected to one side of the sleeve (41), the sleeve (41) being slidably connected to the rotating shaft (3), the other end of the vibration isolation spring (5) abutting against the sleeve (41), and the other end of the support (42) being used for fixing the rearview mirror (1).

10. A tractor characterised in that, The mounting structure comprises a tractor rearview mirror mounting structure according to any one of claims 1-9.