Shuttle type shift lever control mechanism of tractor

Abstract

The utility model belongs to the field of tractor gear shifting control mechanisms, and particularly relates to a shuttle type gear shifting lever control mechanism of a tractor, which comprises a gearbox. The top of the gearbox is fixedly connected with a supporting seat; a seat is fixedly connected to the top of the supporting seat; a gear shifting assembly is installed in the middle of the supporting base. A gear shifting rod body is installed in the middle of the gear shifting assembly. A sleeve is fixedly connected to the top of the gear shifting rod body. The top of the sleeve is fixedly connected with a second connecting plate; a first connecting plate is arranged at the top of the second connecting plate; the first connecting plate is of an arc-shaped structure; the second connecting plate is in threaded fit with the first connecting plate; the first connecting plate is rotated, so that the second connecting plate is separated from the sliding rod, and the sliding rod can be adjusted in a sliding mode along the sleeve, stepless adjustment of the device on the length of the gear shifting rod body is achieved, the gear shifting rod body can adapt to users of different heights, and the flexibility and adaptability of the device for operating the gear shifting rod body when the device shifts gears for the users of different heights are improved.

Description

Technical Field

[0001] The utility model relates to the field of tractor shift operating mechanisms, and particularly to a shuttle shift lever operating mechanism for a tractor. Background Technique

[0002] A tractor is a heavy-duty power machine used in various fields such as agriculture, forestry, industry, and transportation. It generally consists of an engine, a transmission system, a running system, a steering system, a working device, a cab, and other parts.

[0003] The shuttle shift operating mechanism is an important part of the tractor transmission system, which can realize the rapid and smooth switching of tractor gears; the shuttle shift operating mechanism has the characteristics of compact structure and easy overall machine layout, so it has been widely used in the design of modern tractors.

[0004] The existing tractor shuttle shift operating mechanism is generally operated on the seat. It is found in use and observation that when users of different heights operate the shift lever, there is a situation where they need to stretch their arms excessively or bend down and lower their heads, which will affect the comfort of users of different heights when operating the shift lever.

[0005] Therefore, in view of the above problems, a shuttle shift lever operating mechanism for a tractor is proposed. Content of the Utility Model

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background technique.

[0007] The technical solution adopted by the utility model to solve its technical problems is as follows: A shuttle shift lever operating mechanism for a tractor described in the utility model includes a gearbox; a support seat is fixedly connected to the top of the gearbox; a seat is fixedly connected to the top of the support seat; a shift component is installed in the middle of the support seat; a shift lever body is installed in the middle of the shift component; a sleeve is fixedly connected to the top of the shift lever body; a second connecting plate is fixedly connected to the top of the sleeve; a first connecting plate is arranged on the top of the second connecting plate; the first connecting plate is of an arc-shaped structure; the second connecting plate and the first connecting plate are in threaded cooperation; a sliding rod is slidably fitted in the middle of the sleeve; the sliding rod is located inside the first connecting plate; the sliding rod and the first connecting plate are also in sliding cooperation; a warning component is installed in the middle of the shift lever body; rotating the first connecting plate to make the second connecting plate disengage from the sliding rod and enable the sliding rod to slide and adjust along the sleeve, realizing stepless adjustment of the length of the shift lever body by the device, so that the shift lever body can adapt to users of different heights, and improving the flexibility and adaptability of the device for users of different heights to operate the shift lever body when shifting gears.

[0008] Preferably, a plurality of elastic rods are fixedly connected to the top of the sleeve; a first elastic wire is fixedly connected between adjacent elastic rods; the second connecting plate is located between the elastic rods and the first connecting plate; when the first connecting plate and the second connecting plate are threadedly connected, the first connecting plate will squeeze the second connecting plate, and the second connecting plate will be deformed under the squeezing action. During the bending process, the second connecting plate will come into contact with the elastic rods and be supported by the elastic rods. The elastic rods will exert an elastic force on the second connecting plate to make the connection between the second connecting plate and the first connecting plate more tight; through the cooperation of the elastic rods and the first elastic wire, the stability of the connection between the second connecting plate and the first connecting plate is enhanced. At the same time, the first elastic wire will also tie the elastic rods into an integral structure to improve the supporting effect of the elastic rods on the second connecting plate.

[0009] Preferably, a first sponge is fixedly connected to the top of the sliding rod; a plurality of grooves are formed in the middle of the first sponge; when the user pulls the sliding rod to shift gears, the user can hold the first sponge for operation. The first sponge will absorb the sweat generated by the user's palm, improving the user's experience and feel when operating the sliding rod. At the same time, the grooves will also increase the contact area between the user and the first sponge, increasing the friction when the user holds the first sponge and reducing the slipping situation when the user shifts gears.

[0010] Preferably, a connecting frame is fixedly connected to the middle of the support seat; a plurality of first round holes are formed in the middle of the connecting frame; a sliding plate is slidably fitted in the middle of the connecting frame; a plurality of second round holes are formed in the middle of the sliding plate; the second round holes and the first round holes are arranged in correspondence; the user can adjust the length of the sliding plate in the connecting frame according to the height, and fix the sliding plate by passing bolts through the first round holes and the second round holes. When the user operates the tractor, the user can place the arm on the surface of the sliding plate, so that the arm receives an additional supporting effect, reducing the discomfort caused by the user's arm being straightened for a long time and improving the comfort of the user when operating the tractor.

[0011] Preferably, a plurality of second elastic wires are fixedly connected to the inner side wall of the sliding plate; the second elastic wires are arranged in an array; when the user's arm is placed on the surface of the sliding plate, the second elastic wires will come into contact with the arm and approach the sliding plate under the squeezing action. The sliding plate will reduce the direct contact between the user's arm and the sliding plate, improving the experience when the user places the arm.

[0012] Preferably, a second sponge is fixedly connected to the inner side wall of the sliding plate; the second sponge is located between the second elastic wires and the sliding plate; when the user's arm is placed on the surface of the second elastic wires, it will also come into contact with the second sponge. The second sponge will absorb the sweat generated on the user's arm, further improving the comfort of the user's arm.

[0013] Preferably, a plurality of balls are rotatably connected to the inner side wall of the skateboard; the balls are located between the second sponge and the skateboard; when the user's arm is placed on the skateboard for gear shifting, the user's arm will slide along the skateboard, and at this time, the balls will rotate under the action of friction, reducing the frictional force between the user and the skateboard.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. For the shuttle shift lever operating mechanism of a tractor described in the present utility model, by rotating the first connecting plate, the second connecting plate is disengaged from the sliding rod and the sliding rod can slide and adjust along the sleeve, realizing stepless adjustment of the length of the shift lever body, enabling the shift lever body to adapt to users of different heights, and improving the flexibility and adaptability of the device for operating the shift lever body when users of different heights shift gears.

[0016] 2. For the shuttle shift lever operating mechanism of a tractor described in the present utility model, through the cooperative action of the elastic rod and the first elastic wire, the stability when the second connecting plate and the first connecting plate are connected is enhanced, and at the same time, the first elastic wire will also pull the elastic rod into an integral structure, improving the supporting effect of the elastic rod on the second connecting plate. Description of the Drawings

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0018] Figure 1 It is a schematic diagram of the main body of the present utility model;

[0019] Figure 2 It is a schematic diagram of the structure of the sleeve in the present utility model;

[0020] Figure 3 It is a schematic diagram of the structure of the first connecting plate in the present utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the elastic rod in the present utility model;

[0022] Figure 5 It is a schematic diagram of the structure of the connecting frame in the present utility model.

[0023] In the figure: 1, transmission; 12, support base; 13, seat; 14, shift lever body; 15, shift component; 16, warning component; 17, sleeve; 18, slide bar; 19, first connecting plate; 110, second connecting plate; 2, elastic rod; 22, first elastic wire; 3, first sponge; 32, groove; 4, connecting frame; 42, first round hole; 43, slide plate; 44, second round hole; 5, second elastic wire; 6, second sponge; 7, ball. Specific implementation manner

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] The following gives specific embodiments.

[0026] Please refer to Figures 1 to 5As shown in the figure, a shuttle shift lever operating mechanism of a utility model tractor includes a gearbox 1; a support seat 12 is fixedly connected to the top of the gearbox 1; a seat 13 is fixedly connected to the top of the support seat 12; a shift component 15 is installed in the middle of the support seat 12; a shift lever body 14 is installed in the middle of the shift component 15; a sleeve 17 is fixedly connected to the top of the shift lever body 14; a second connecting plate 110 is fixedly connected to the top of the sleeve 17; a first connecting plate 19 is arranged on the top of the second connecting plate 110; the first connecting plate 19 is of an arc structure; the second connecting plate 110 and the first connecting plate 19 are in threaded cooperation; a slide bar 18 is slidably fitted in the middle of the sleeve 17; the slide bar 18 is located inside the first connecting plate 19; the slide bar 18 and the first connecting plate 19 are also in sliding cooperation; a warning component 16 is installed in the middle of the shift lever body 14; the second connecting plate 110 is made of an elastic material. In the normal state, the slide bar 18 is located inside the sleeve 17, and the first connecting plate 19 will be threadedly connected to the second connecting plate 110. Because the first connecting plate 19 is an arc structure with a wider bottom and a narrower top, the second connecting plate 110 will adapt to the inner wall of the first connecting plate 19 and approach the slide bar 18. The slide bar 18 will be fixed under the extrusion of the second connecting plate 110. When users of different heights perform shift operations on the tractor, they can first rotate the first connecting plate 19 to separate the first connecting plate 19 from the second connecting plate 110. At this time, the second connecting plate 110 will recover and separate from the slide bar 18. The user can slide the slide bar 18 along the sleeve 17 to control the length of the slide bar 18 inside the sleeve 17. After adjustment, the first connecting plate 19 can be rotated again to make the first connecting plate 19 and the second connecting plate 110 in threaded connection. The second connecting plate 110 will fix the slide bar 18, realizing the adjustment of the length of the shift lever body 14 by the device. Finally, when the user needs to perform a shift operation on the tractor, the slide bar 18 can be pulled to make the slide bar 18 drive the sleeve 17 and the shift lever body 14 to swing together. The shift lever body 14 will make the shift component 15 perform corresponding swinging and shifting, realizing the shift work of the tractor by the device. When the tractor reverses, the warning component 16 will send a voice signal to the speaker of the tractor to make it issue a reverse warning broadcast; rotating the first connecting plate 19 to separate the second connecting plate 110 from the slide bar 18 and enabling the slide bar 18 to slide and adjust along the sleeve 17 realizes the stepless adjustment of the length of the shift lever body 14 by the device, enabling the shift lever body 14 to adapt to users of different heights and improving the flexibility and adaptability of the device for users of different heights to operate the shift lever body 14 when shifting gears.

[0027] Please refer to Figure 4As shown, a plurality of elastic rods 2 are fixedly connected to the top of the sleeve 17; a first elastic wire 22 is fixedly connected between adjacent elastic rods 2; the second connecting plate 110 is located between the elastic rod 2 and the first connecting plate 19; when the first connecting plate 19 and the second connecting plate 110 are threadedly connected, the first connecting plate 19 will squeeze the second connecting plate 110, and the second connecting plate 110 will be deformed under the squeezing action. During the bending process, the second connecting plate 110 will come into contact with the elastic rod 2 and receive the supporting action of the elastic rod 2. The elastic rod 2 will exert an elastic force on the second connecting plate 110 to make the connection between the second connecting plate 110 and the first connecting plate 19 more compact, enhancing the stability when the second connecting plate 110 and the first connecting plate 19 are connected. At the same time, the first elastic wire 22 will also tie the elastic rods 2 into an integral structure, improving the supporting effect of the elastic rod 2 on the second connecting plate 110.

[0028] Please refer to Figure 2 and Figure 3 As shown, a first sponge 3 is fixedly connected to the top of the sliding rod 18; a plurality of grooves 32 are formed in the middle of the first sponge 3; when the user pulls the sliding rod 18 to shift gears, the user can hold the first sponge 3 for operation. The first sponge 3 will absorb the sweat generated by the user's palm, improving the user's experience and feel when operating the sliding rod 18. At the same time, the grooves 32 will also increase the contact area between the user and the first sponge 3, increasing the friction when the user holds the first sponge 3 and reducing the slipping situation when the user shifts gears.

[0029] Please refer to Figure 1 and Figure 5 As shown, a connecting frame 4 is fixedly connected to the middle of the support base 12; a plurality of first round holes 42 are formed in the middle of the connecting frame 4; a sliding plate 43 is slidably fitted in the middle of the connecting frame 4; a plurality of second round holes 44 are formed in the middle of the sliding plate 43; the second round holes 44 and the first round holes 42 are correspondingly arranged; the user can adjust the length of the sliding plate 43 in the connecting frame 4 according to the height, and fix the sliding plate 43 by passing bolts through the first round holes 42 and the second round holes 44. When the user operates the tractor, the user can place the arm on the surface of the sliding plate 43, so that the arm receives an additional supporting effect, reducing the discomfort caused by the user's arm being straightened for a long time and improving the comfort of the user when operating the tractor.

[0030] Please refer to Figure 5 As shown, a plurality of second elastic wires 5 are fixedly connected to the inner side wall of the sliding plate 43; the second elastic wires 5 are arranged in an array; when the user's arm is placed on the surface of the sliding plate 43, the second elastic wires 5 will come into contact with the arm and approach the sliding plate 43 under the squeezing action. The sliding plate 43 will reduce the direct contact between the user's arm and the sliding plate 43, improving the experience when the user places the arm.

[0031] Please refer to Figure 5As shown, a second sponge 6 is fixedly connected to the inner side wall of the skateboard 43; the second sponge 6 is located between the second elastic wire 5 and the skateboard 43; when the user's arm is placed on the surface of the second elastic wire 5, it will also come into contact with the second sponge 6, and the second sponge 6 will absorb the sweat generated on the user's arm, further improving the comfort of the user's arm.

[0032] Please refer to Figure 5 As shown, a plurality of balls 7 are rotatably connected to the inner side wall of the skateboard 43; the balls 7 are located between the second sponge 6 and the skateboard 43; when the user's arm is placed on the skateboard 43 for shifting gears, the user's arm will slide along the skateboard 43, and at this time the balls 7 will rotate under the action of friction, reducing the frictional force between the user and the skateboard 43.

[0033] Working principle: In the normal state, the sliding rod 18 is located inside the sleeve 17. The first connecting plate 19 is threadedly connected to the second connecting plate 110. Since the first connecting plate 19 is an arc-shaped structure that is wider at the bottom and narrower at the top, the second connecting plate 110 will adapt to the inner wall of the first connecting plate 19 and approach the sliding rod 18. The sliding rod 18 will be fixed under the extrusion of the second connecting plate 110. When users of different heights perform gear shifting operations on the tractor, they can first rotate the first connecting plate 19 to disconnect the first connecting plate 19 from the second connecting plate 110. At this time, the second connecting plate 110 will return to its original state and disengage from the sliding rod 18. Users can slide the sliding rod 18 along the sleeve 17 to control the length of the sliding rod 18 inside the sleeve 17. After adjustment, they can rotate the first connecting plate 19 again to threadedly connect the first connecting plate 19 and the second connecting plate 110. The second connecting plate 110 will fix the sliding rod 18, realizing the adjustment of the length of the gear shift lever body 14 by the device. Finally, when the user needs to perform a gear shifting operation on the tractor, they can pull the sliding rod 18 to make the sliding rod 18 drive the sleeve 17 and the gear shift lever body 14 to swing together. The gear shift lever body 14 will cause the gear shift assembly 15 to perform corresponding swinging and gear shifting, realizing the gear shifting work of the device on the tractor. When the tractor is backing up, the warning component 16 will send a voice signal to the speaker of the tractor to make it issue a backing warning broadcast; when the first connecting plate 19 is threadedly connected to the second connecting plate 110, the first connecting plate 19 will extrude the second connecting plate 110. The second connecting plate 110 will deform under the extrusion. The second connecting plate 110 will come into contact with the elastic rod 2 during the bending process and receive the supporting effect of the elastic rod 2. The elastic rod 2 will exert an elastic force on the second connecting plate 110 to make the connection between the second connecting plate 110 and the first connecting plate 19 closer; when the user pulls the sliding rod 18 to shift gears, they can hold the first sponge 3 in their hand for operation. The first sponge 3 will absorb the sweat generated by the user's palm, improving the user's experience and feel when operating the sliding rod 18. At the same time, the groove 32 will also increase the contact area between the user and the first sponge 3, increasing the friction when the user holds the first sponge 3; users can adjust the length of the sliding plate 43 in the connecting frame 4 according to their height and fix the sliding plate 43 by passing bolts through the first round hole 42 and the second round hole 44. When the user operates the tractor, they can place their arm on the surface of the sliding plate 43, so that the arm receives additional support, reducing the discomfort caused by the user's arm being straightened for a long time; when the user's arm is placed on the surface of the sliding plate 43, the second elastic wire 5 will come into contact with the arm and approach the sliding plate 43 under the extrusion. The sliding plate 43 will reduce the direct contact between the user's arm and the sliding plate 43; when the user's arm is placed on the surface of the second elastic wire 5, it will also come into contact with the second sponge 6. The second sponge 6 will absorb the sweat generated on the user's arm; when the user's arm is placed on the sliding plate 43 to shift gears, the user's arm will slide along the sliding plate 43. At this time, the ball 7 will rotate under the friction effect.

[0034] The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the present utility model is not limited by the above-mentioned embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A tractor shuttle shift lever operating mechanism, comprising a gearbox (1), characterized in that: A support seat (12) is fixedly connected to the top of the gearbox (1); a seat (13) is fixedly connected to the top of the support seat (12); a shift assembly (15) is installed in the middle of the support seat (12); a shift lever body (14) is installed in the middle of the shift assembly (15); a sleeve (17) is fixedly connected to the top of the shift lever body (14); a second connecting plate (110) is fixedly connected to the top of the sleeve (17); a first connecting plate (19) is arranged on the top of the second connecting plate (110); the first connecting plate (19) is an arc-shaped structure; the second connecting plate (110) and the first connecting plate (19) are threadedly matched; a sliding rod (18) is slidably matched in the middle of the sleeve (17); the sliding rod (18) is located inside the first connecting plate (19); the sliding rod (18) and the first connecting plate (19) are both slidably matched; and an early warning assembly (16) is installed in the middle of the shift lever body (14).

2. A tractor shuttle shift lever operating mechanism according to claim 1, characterized in that: A plurality of elastic rods (2) are fixedly connected to the top of the sleeve (17); first elastic wires (22) are fixedly connected between adjacent elastic rods (2); and the second connecting plate (110) is located between the elastic rods (2) and the first connecting plate (19).

3. A tractor shuttle shift lever operating mechanism according to claim 2, characterized in that: A first sponge (3) is fixedly connected to the top of the sliding rod (18); a plurality of grooves (32) are formed in the middle of the first sponge (3).

4. A tractor shuttle shift lever operating mechanism according to claim 3, characterized in that: A connecting frame (4) is fixedly connected to the middle of the support seat (12); a plurality of first circular holes (42) are provided in the middle of the connecting frame (4); a slide plate (43) is slidably matched to the middle of the connecting frame (4); a plurality of second circular holes (44) are provided in the middle of the slide plate (43); and the second circular holes (44) and the first circular holes (42) are arranged correspondingly.

5. A tractor shuttle shift lever operating mechanism according to claim 4, characterized in that: A plurality of second elastic wires (5) are fixedly connected to the inner side wall of the slide plate (43); the second elastic wires (5) are arranged in an array.

6. A tractor shuttle shift lever operating mechanism according to claim 5, characterized in that: A second sponge (6) is fixedly connected to the inner side wall of the slide plate (43); the second sponge (6) is located between the second elastic thread (5) and the slide plate (43).

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