Control mechanism for angle adjustment and locking of push rod of mower

Abstract

The utility model discloses a mower push rod angle adjusting and locking control mechanism, which comprises a mower main body component, first rotating shafts are arranged on the two sides of the mower main body component; the push rod shell is rotationally connected with the mower main body part through the first rotating shaft; the button is movably arranged on the push rod shell; the connecting rod structure comprises a first connecting rod and a second connecting rod which are rotationally connected, the first connecting rod and the second connecting rod are rotationally arranged in the push rod shell, the first connecting rod or the second connecting rod is divided into two ends from a rotating point, and one end close to the button is longer than the other end; the button abuts against one end of the first connecting rod and can drive the first connecting rod to rotate. The angle locking structures are arranged between the mower main body component and the push rod shell and used for locking the rotation angle of the push rod shell, and the second connecting rod can drive the angle locking structures to be unlocked or locked through rotation.

Description

Technical Field

[0001] This application relates to the field of lawnmower technology, and in particular to a control mechanism for adjusting and locking the angle of a lawnmower push rod. Background Technology

[0002] In the field of garden machinery, lawnmowers are a commonly used vegetation trimming device, widely used in lawns, slopes, and farmland. To adapt to different terrains and operating postures, modern lawnmowers are usually equipped with an adjustable push rod structure to improve operating comfort and work efficiency.

[0003] The common push rod angle locking structure found on lawnmower push rods often uses multi-stage positioning holes combined with spring pins or snap-on structures. However, it cannot be directly adjusted at the push rod position and is easily affected by lawnmower vibrations. Although some high-end push rod structures can unlock the angle locking structure via a steel wire rope, the unlocking transmission method often involves directly connecting the two sides of the button and the unlocking lever with the steel wire rope. Therefore, a significant amount of force is required to overcome the spring force and lift the steel wire rope and the locking pin. Thus, the purpose of this application is to solve the above problems.

[0004] The above content is only used to help understand the technical solution of this application and does not represent an admission that the above content is the closest prior art to this application. Summary of the Invention

[0005] Based on this, this application provides a control mechanism for adjusting and locking the angle of a lawnmower push rod to solve one of the aforementioned technical problems.

[0006] The technical solution adopted by this application to solve its technical problem is a control mechanism for adjusting and locking the angle of a lawnmower push rod, comprising: a lawnmower main body component, on both sides of which are provided first rotating shafts; a push rod housing, rotatably connected to the lawnmower main body component through the first rotating shafts; a button, movably disposed on the push rod housing; a linkage structure, including a first linkage and a second linkage rotatably connected, the first linkage and the second linkage being rotatably disposed within the push rod housing, the first linkage or the second linkage being separated into two ends from the rotation point, the end closer to the button being longer than the other end, the button abutting against one end of the first linkage and capable of driving the first linkage to rotate; and an angle locking structure, at least one set of which is provided between the lawnmower main body component and the push rod housing for locking the rotation angle of the push rod housing, the second linkage being able to unlock or lock the angle locking structure by rotation.

[0007] In some embodiments, the angle locking structure includes a locking plate and a locking shaft. The locking plate has a plurality of locking holes. The locking plate is fixedly disposed on one side of the lawnmower body component. The second connecting rod can drive the locking shaft to insert into the locking holes by rotation to fix the angle of the push rod housing.

[0008] In some embodiments, a spring is sleeved on the locking shaft to drive the locking shaft to move in the direction of the lock hole.

[0009] In some embodiments, the locking plate is formed with a certain arc to match the rotation trajectory of the locking shaft.

[0010] In some embodiments, a connecting plate is provided at the rear end of the locking shaft, and a slot is provided on the connecting plate. The first rotating shaft passes through the slot and can rotate and slide within the slot.

[0011] In some embodiments, a second rotating shaft is provided on the inner side of the push rod housing, and the first connecting rod and the second connecting rod are rotatably disposed inside the push rod housing via the second rotating shaft.

[0012] In some embodiments, a first limiting part is provided inside the push rod housing to limit the rotation range of the first connecting rod and the second connecting rod, thereby limiting the maximum distance of the button press.

[0013] In some embodiments, a second limiting portion is provided inside the push rod housing to limit the maximum distance the button can be pressed.

[0014] In some embodiments, the two ends of the first connecting rod are an abutting end and a first rotating end, respectively. The abutting end abuts against the top of the button. The two ends of the second connecting rod are a second rotating end and a connecting end, respectively. The second rotating end and the first rotating end are rotatably connected to each other. The connecting end is used to connect a steel wire rope to connect with the angle locking structure.

[0015] The beneficial effects of this application are as follows: through the cooperation of the first link and the button, the button can drive the first link to cooperate when it is pressed. Under the action of the lever principle, the longer end, after being subjected to the force of the button being pressed, will more effectively convert it into the force of lifting the locking shaft through the linkage structure. The button is relatively easier to press. Moreover, under the high-frequency vibration of the lawnmower, it is extremely difficult for the locking shaft to overcome the force of the spring and drive the shorter end of the first or second link. Therefore, the angle locking structure will not unlock when the button is not pressed. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a schematic diagram of the internal structure of this application.

[0018] Figure 2 This is a schematic diagram of the button's normal state structure in this application.

[0019] Figure 3 This is a schematic diagram of the button press state structure of this application.

[0020] Figure 4 This is a schematic diagram of the angle locking structure of this application.

[0021] Reference numerals in the attached diagrams are as follows: 1. Main body of the lawnmower; 11. First rotating shaft; 2. Push rod housing; 21. Second rotating shaft; 22. First limiting part; 23. Second limiting part; 3. Button; 4. Linkage structure; 41. First connecting rod; 411. Abutting end; 412. First rotating end; 42. Second connecting rod; 421. Second rotating end; 422. Connecting end; 5. Angle locking structure; 51. Locking plate; 511. Locking hole; 52. Locking shaft; 521. Spring; 522. Connecting plate; 5221. Groove; 6. Steel wire rope. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application. In addition, the technical solutions of various embodiments can be combined with each other, but this must be based on the ability of those of ordinary skill in the art to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be considered that such combination of technical solutions does not exist and is not within the scope of protection of this application.

[0023] In the embodiments of this application, please refer to Figure 1-4As shown, this application provides a control mechanism for adjusting and locking the angle of a lawnmower push rod, mainly comprising: a lawnmower main body component 1, with first rotating shafts 11 on both sides; for illustration, the lawnmower main body component 1 can be components on both sides of the lawnmower main body, or it can be the entire lawnmower main body; a push rod housing 2, rotatably connected to the lawnmower main body component 1 via the first rotating shafts 11; a button 3, movably disposed on the push rod housing 2; a linkage structure 4, including a first connecting rod 41 and a second connecting rod 42 rotatably connected, the first connecting rod 41 and the second connecting rod 42 being rotatably disposed within the push rod housing 2, the first connecting rod 41 or the second connecting rod 42 being separated into two ends from the rotation point, the end closer to the button 3 being longer than the other end, the button 3 abutting against one end of the first connecting rod 41 and being able to drive the first connecting rod 41 to rotate; and an angle locking structure 5, at least one set disposed between the lawnmower main body component 1 and the push rod housing 2, for locking the rotation angle of the push rod housing 2, the second connecting rod 42 being able to unlock or lock the angle locking structure 5 by rotation.

[0024] Specifically, when button 3 is pressed, button 3 will drive one end of the first rod to rotate. The rotating first link 41 will simultaneously drive the second link 42 to rotate. The second link 42 can be connected to the angle locking structure 5 through transmission means such as steel wire rope 6 or connecting rod, and lift the locking structure such as a locking pin. Due to the lever principle, the lever arm of the longer end of the first link 41 or the second link 42 only requires a small force to drive the other end to rotate, so that the force consumed when pressing button 3 is reduced and only a small force is needed to complete the operation, making it easier to press button 3. On the other hand, the shorter end of the first link 41 or the second link 42 requires a larger force to rotate the longer end. Therefore, the angle locking mechanism connected to the second link 42 is difficult to affect the rotation of the first link 41 and the second link 42 in turn. Therefore, the mechanism similar to a pin is difficult to disengage from the lock hole 511, effectively ensuring the safety during use.

[0025] The following will continue to describe some preferred / improved embodiments based on the above embodiments. Any one of the following embodiments can be selected, or multiple embodiments can be combined.

[0026] Reference Figure 4 As shown, the angle locking structure 5 includes a locking plate 51 and a locking shaft 52. The locking plate 51 has several locking holes 511. The locking plate 51 is fixedly installed on one side of the lawnmower main body component 1. The second connecting rod 42 can drive the locking shaft 52 to insert into the locking hole 511 by rotating to fix the angle of the push rod housing 2. With this configuration, when the locking shaft 52 is inserted into the locking hole 511, the push rod housing 2 cannot rotate because the locking shaft 52 is connected to the second connecting rod 42, thus locking the angle of the push rod housing 2.

[0027] Preferably, in order to prevent the locking shaft 52 from dislodging from the lock hole 511 and causing safety hazards, a spring 521 is sleeved on the locking shaft 52 to drive the locking shaft 52 to always move towards the lock hole 511.

[0028] Preferably, since the locking shaft 52 needs to rotate together with the locking housing, it is difficult to insert it into the lock hole 511 on the horizontal plane. The locking plate 51 forms a certain arc to match the rotation trajectory of the locking shaft 52.

[0029] Preferably, in order to prevent the locking shaft 52 from disengaging from the preset area during rotation connected to the second connecting rod 42, a connecting plate 522 is provided at the rear end of the locking shaft 52. The connecting plate 522 has a slot 5221, through which the first rotating shaft 11 passes and can rotate and slide within the slot 5221.

[0030] Reference Figure 2-3 As shown, in order to enable the first connecting rod 41 and the second connecting rod 42 to rotate inside the push rod housing 2, a second rotating shaft 21 is provided on the inner side of the push rod housing 2, and the first connecting rod 41 and the second connecting rod 42 are rotatably disposed inside the push rod housing 2 through the second rotating shaft 21.

[0031] Reference Figure 2-3 As shown, in order to limit the pressing depth of button 3 and prevent excessive pressing from damaging the components, a first limiting part 22 is provided inside the push rod housing 2 to limit the rotation range of the first connecting rod 41 and the second connecting rod 42, thereby limiting the maximum distance of button 3 pressing. For illustration, the outline of the first limiting part 22 should be the same as the outline of the first connecting rod 41 and the second connecting rod 42 when they are rotated to their final positions.

[0032] Specifically, in order to prevent the first link 41 and the second link 42 from being damaged when the button 3 is pressed, a second limiting part 23 is provided inside the push rod housing 2 to limit the maximum distance of the button 3 being pressed. For reference, the second limiting part 23 should be located at the end of the radial movement range of the button inside the push rod housing 2.

[0033] Specifically, the two ends of the first connecting rod 41 are an abutting end 411 and a first rotating end 412, respectively. The abutting end 411 abuts against the top of the button 3. The two ends of the second connecting rod 42 are a second rotating end 421 and a connecting end 422, respectively. The second rotating end 421 and the first rotating end 412 are rotatably connected to each other. The connecting end 422 is used to connect the steel wire rope 6 to the angle locking structure 5. For illustration, the shape of the first connecting rod 41 and the second connecting rod 42 can be either straight or V-shaped, and can be changed and adapted according to the space inside the push rod housing 2. Therefore, no limitation is made.

[0034] The various embodiments of this application have been described in detail above. To avoid obscuring the concept of this application, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description. Finally, it should be noted that the above descriptions are merely preferred embodiments of this application, and the foregoing embodiments are only used to illustrate the technical solutions of this application, not to limit them; although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A control mechanism for adjusting and locking the angle of a lawnmower push rod, characterized in that, include: The main body of the lawnmower has first rotating shafts on both sides; The push rod housing is rotatably connected to the main component of the lawnmower via the first rotating shaft; The button is located on the push rod housing; The linkage structure includes a first linkage and a second linkage that are rotatably connected. The first linkage and the second linkage are rotatably disposed in the push rod housing. The first linkage or the second linkage is separated into two ends from the rotation point. The end closer to the button is longer than the other end. The button abuts against one end of the first linkage and can drive the first linkage to rotate. An angle locking structure is provided at least once between the main body component of the lawnmower and the push rod housing to lock the rotation angle of the push rod housing. The second connecting rod can unlock or lock the angle locking structure by rotating.

2. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 1, characterized in that, The angle locking structure includes a locking plate and a locking shaft. The locking plate has several locking holes. The locking plate is fixedly installed on one side of the main body of the lawnmower. The second connecting rod can drive the locking shaft to insert into the locking holes by rotating to fix the angle of the push rod housing.

3. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 2, characterized in that, A spring is fitted onto the locking shaft to drive the locking shaft to move continuously toward the lock hole.

4. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 2, characterized in that, The locking plate is curved to match the rotation trajectory of the locking shaft.

5. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 2, characterized in that, A connecting plate is provided at the rear end of the locking shaft. A slot is provided on the connecting plate, through which the first rotating shaft passes and can rotate and slide within the slot.

6. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 1, characterized in that, A second rotating shaft is provided on the inner side of the push rod housing, and the first connecting rod and the second connecting rod are rotatably disposed inside the push rod housing through the second rotating shaft.

7. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 1, characterized in that, The push rod housing has a first limiting part inside to limit the rotation range of the first connecting rod and the second connecting rod.

8. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 1, characterized in that, The push rod housing has a second limiting part inside to limit the maximum distance the button can be pressed.

9. The control mechanism for adjusting and locking the angle of a lawnmower push rod according to claim 1, characterized in that, The first connecting rod has an abutting end and a first rotating end at its two ends, respectively. The abutting end abuts against the top of the button. The second connecting rod has a second rotating end and a connecting end at its two ends, respectively. The second rotating end and the first rotating end are rotatably connected to each other. The connecting end is used to connect a steel wire rope to the angle locking structure.

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