CN216200413U - Lock type gear shifting mechanism of tractor gearbox - Google Patents
Lock type gear shifting mechanism of tractor gearbox Download PDFInfo
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- CN216200413U CN216200413U CN202122681531.XU CN202122681531U CN216200413U CN 216200413 U CN216200413 U CN 216200413U CN 202122681531 U CN202122681531 U CN 202122681531U CN 216200413 U CN216200413 U CN 216200413U
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Abstract
The utility model discloses a locking type gear shifting mechanism of a tractor gearbox, which comprises a gearbox body, wherein a first operating rod is arranged on the gearbox body, a hollow column in sliding connection with the first operating rod is sleeved on the outer wall of the first operating rod, a second operating rod in sliding connection with the hollow column penetrates through the hollow column, a rotating rod in rotating connection with the hollow column penetrates through the hollow column, a handle is fixedly connected to one end, far away from the hollow column, of the rotating rod, an installation block is fixedly connected to the second operating rod, an operating head is arranged on the upper side of the second operating rod, an installation groove is formed in the operating head, the installation block is embedded into the installation groove, and a dismounting mechanism is arranged on the operating head. The utility model is suitable for users with different heights by adjusting the height of the operating lever, and has wide application range; through changing the control head of different shapes and sizes in order to improve user's comfort level, the practicality is strong.
Description
Technical Field
The utility model relates to the technical field of automobile parts, in particular to a lock type gear shifting mechanism of a tractor gearbox.
Background
The existing sliding rod 160-positioning block 200 horsepower tractor reverse gear operating lever and high gear and low gear use a gear lever, the high gear or low gear must be removed first when the reverse gear is engaged each time, the operation is very inconvenient, in addition, the vehicle is influenced by the vehicle inertia when the reverse gear is engaged in the forward process, the gear of the gearbox has extremely severe abnormal sound, all teeth are punched at the joint of the long-term auxiliary speed change reverse gear and the high and low gear gears, and the disassembly and the overhaul are needed; the reverse gear mechanism is removed from the auxiliary speed change mechanism assembly, only high and low gears are reserved in the original structure, the reverse gear is moved into a rear axle, a synchronizer is added, the high and low gears and the reverse gear are independently controlled, and the problems are effectively avoided.
The existing tractor gearbox shifts gears through an operating lever, the operating lever is fixed in height in the using process, the height of the operating lever cannot be adjusted so as to be suitable for users with different heights, and the application range is narrow; the top of the control rod is provided with the control head, the shape and the size of the control head are fixed, and the control head cannot be replaced according to the needs of users, so that the comfort level of the control head is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art, and provides the locking type gear shifting mechanism of the tractor gearbox, which is suitable for users with different heights by adjusting the height of a control lever and has wide application range; through changing the control head of different shapes and sizes in order to improve user's comfort level, the practicality is strong.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a locking type gear shifting mechanism of a tractor gearbox comprises a gearbox body, wherein a first operating rod is arranged on the gearbox body, a hollow column in sliding connection with the first operating rod is sleeved on the outer wall of the first operating rod, a second operating rod in sliding connection with the hollow column is arranged on the hollow column in a penetrating manner, a rotary rod in rotating connection with the hollow column is arranged on the hollow column in a penetrating manner, one end, far away from the hollow column, of the rotary rod is fixedly connected with a handle, a first bevel gear is fixedly connected with the rotary rod, the first bevel gear is meshed with two second bevel gears, both the second bevel gears are fixedly connected with a threaded rod, two fixed blocks are fixedly connected with the inner wall of the hollow column, the two threaded rods respectively penetrate through the fixed blocks and are in rotating connection with the fixed blocks, the threaded rod on the upper side is in threaded connection with the second operating rod, and the threaded rod on the lower side is in threaded connection with the first operating rod, fixedly connected with installation piece on the second control rod, the upside of second control rod is equipped with the manipulation head, it is equipped with the mounting groove to manipulate overhead, installation piece embedding mounting inslot sets up, it is equipped with disassembly body to manipulate overhead.
Preferably, the disassembly mechanism comprises a cavity arranged in the operation head, a sliding plate is arranged in the cavity, a sliding rod is fixedly connected with the sliding plate, the sliding rod penetrates through the operation head and is in sliding connection with the operation head, a handle is fixedly connected with one end, far away from the operation head, of the sliding rod, a spring is sleeved on the outer wall of the sliding rod, two ends of the spring are fixedly connected with the sliding plate and the inner wall of the cavity respectively, a plurality of positioning blocks are fixedly connected onto the sliding plate and are in sliding connection with the operation head, a plurality of positioning blocks are arranged on the installation block, and each positioning block is embedded into one positioning groove respectively.
Preferably, the outer wall of the handle is sleeved with a layer of rubber protective sleeve.
Preferably, the first operating rod and the second operating rod are both provided with grooves, and the outer wall of the threaded rod and the inner wall of the groove are respectively provided with an external thread and an internal thread which are matched with each other.
Preferably, the first operating lever, the hollow column and the second operating lever are made of aluminum alloy.
Preferably, the outer wall cover of manipulation head is equipped with a layer of silica gel protective sheath.
Preferably, two stoppers of the equal fixedly connected with of outer wall of first control rod and second control rod, be equipped with four spacing grooves in the cavity post, four the stopper respectively with spacing inslot wall sliding connection.
Compared with the prior art, the utility model has the beneficial effects that:
1. the user holds the handle and rotates and drive rotary rod, first bevel gear, second bevel gear, threaded rod and rotate, drives the first control rod of both sides, second control rod and moves relatively or back to back of the body, and then makes the height of manipulation head adjust, adjusts in order to be applicable to the user of different heights through the height to manipulation head, and application scope is wide.
2. The user holds the handle and moves right to drive the sliding rod, the sliding plate and the positioning block to move right, the spring is compressed in the process, the control head can be taken down to be replaced until the positioning block is separated from the positioning groove, the control heads in different shapes and sizes are replaced to be suitable for different users, the comfort level of the user is improved, and the practicability of the user is improved.
In conclusion, the height of the operating rod is adjusted to be suitable for users with different heights, so that the application range is wide; through changing the control head of different shapes and sizes in order to improve user's comfort level, the practicality is strong.
Drawings
FIG. 1 is a cross-sectional view of a latching shift mechanism of a tractor transmission according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is an enlarged view of the structure at B in fig. 1.
In the figure: the transmission comprises a transmission body 1, a first operating rod 2, a hollow column 3, a second operating rod 4, a limiting block 5, a limiting groove 6, a rotating rod 7, a handle 8, a first bevel gear 9, a second bevel gear 10, a threaded rod 11, a fixed block 12, an installation block 13, an operation head 14, an installation groove 15, a sliding rod 16, a handle 17, a sliding plate 18, a spring 19, a positioning block 20 and a positioning groove 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, locking-type gearshift of tractor gearbox, including gearbox body 1, be equipped with first control rod 2 on the gearbox body 1, the outer wall cover of first control rod 2 is equipped with rather than sliding connection's well hollow column 3, run through being equipped with rather than sliding connection's second control rod 4 on well hollow column 3, first control rod 2, the material of well hollow column 3 and second control rod 4 is the aluminum alloy, run through being equipped with rather than rotating the rotary rod 7 of being connected on well hollow column 3, the one end fixedly connected with handle 8 of well hollow column 3 is kept away from to rotary rod 7, the outer wall cover of handle 8 is equipped with one deck rubber protection cover, give other people the comfort through setting up rubber protection cover.
The rotating rod 7 is fixedly connected with a first bevel gear 9, the first bevel gear 9 is engaged with two second bevel gears 10, the two second bevel gears 10 are fixedly connected with a threaded rod 11, the inner wall of the hollow column 3 is fixedly connected with two fixed blocks 12, the two threaded rods 11 respectively penetrate through the fixed blocks 12 and are rotatably connected with the fixed blocks, the threaded rod 11 at the upper side is in threaded connection with the second control rod 4, the threaded rod 11 at the lower side is in threaded connection with the first control rod 2, the first control rod 2 and the second control rod 4 are respectively provided with a groove, the outer wall of the threaded rod 11 and the inner wall of the groove are respectively provided with matched external threads and internal threads, the outer walls of the first control rod 2 and the second control rod 4 are respectively fixedly connected with two limit blocks 5, four limit grooves 6 are arranged in the hollow column 3, the four limit blocks 5 are respectively in sliding connection with the inner walls of the limit grooves 6, and move relatively or oppositely through the first control rod 2 and the second control rod 4 at the two sides, is suitable for users with different heights.
The second control lever 4 is fixedly connected with an installation block 13, the upper side of the second control lever 4 is provided with a control head 14, the outer wall of the control head 14 is sleeved with a layer of silica gel protective sleeve, the control head 14 is provided with an installation groove 15, the installation block 13 is embedded into the installation groove 15, the control head 14 is provided with a dismounting mechanism, the dismounting mechanism comprises a cavity arranged in the control head 14, a sliding plate 18 is arranged in the cavity, the sliding plate 18 is fixedly connected with a sliding rod 16, the sliding rod 16 penetrates through the control head 14 and is in sliding connection with the control head 14, one end of the sliding rod 16 far away from the control head 14 is fixedly connected with a handle 17, the outer wall of the sliding rod 16 is sleeved with a spring 19, two ends of the spring 19 are respectively fixedly connected with the sliding plate 18 and the inner wall of the cavity, the sliding plate 18 is fixedly connected with a plurality of positioning blocks 20, the positioning blocks 20 penetrate through the control head 14 and are in sliding connection with the control head, the installation block 13 is provided with a plurality of positioning grooves 21, each positioning block 20 is respectively embedded in the positioning groove 21, and different control heads 14 can be replaced through a dismounting mechanism, so that the comfort of a user is improved.
In the utility model, a user firstly holds the handle 8 to rotate to drive the rotating rod 7, the first bevel gear 9, the second bevel gear 10 and the threaded rod 11 to rotate, the threaded rods 11 on two sides rotate and the limiting blocks 5 slide in the limiting grooves 6 to drive the first operating rod 2 and the second operating rod 4 on two sides to move oppositely or oppositely, so that the height of the operating head 14 is adjusted, the operating head 14 is adjusted to be suitable for users with different heights, and the application range is wide; the user holds the handle 17 to move right, and the handle 17 moves right to drive the sliding rod 16, the sliding plate 18 and the positioning block 20 to move right, the spring 19 is compressed in the process, the control head 14 can be taken down for replacement until the positioning block 20 is separated from the positioning groove 21, the control head 14 in different shapes and sizes is replaced to be suitable for different users, the comfort level of the user is improved, and the practicability of the user is improved.
Claims (7)
1. Lock-type gearshift of tractor gearbox, including gearbox body (1), its characterized in that, be equipped with first control rod (2) on gearbox body (1), the outer wall cover of first control rod (2) is equipped with rather than sliding connection's cavity post (3), run through on the cavity post (3) and be equipped with rather than sliding connection's second control rod (4), run through on the cavity post (3) and be equipped with rather than rotating connection's rotary rod (7), the one end fixedly connected with handle (8) of cavity post (3) are kept away from to rotary rod (7), fixedly connected with first bevel gear (9) on rotary rod (7), first bevel gear (9) meshes two second bevel gear (10), two equal fixedly connected with threaded rod (11) of second bevel gear (10), the inner wall fixedly connected with two fixed block (12) of cavity post (3), two fixed block (12) are run through respectively in threaded rod (11) and rotate rather than being connected, the upside threaded rod (11) and second control rod (4) threaded connection, the downside threaded rod (11) and first control rod (2) threaded connection, fixedly connected with installation piece (13) are gone up in second control rod (4), the upside of second control rod (4) is equipped with controls head (14), be equipped with mounting groove (15) on controlling head (14), set up in installation piece (13) embedding mounting groove (15), be equipped with the disassembly body on controlling head (14).
2. The lock type gear shifting mechanism of the gearbox of the tractor according to claim 1, wherein the dismounting mechanism comprises a cavity arranged in the operating head (14), a sliding plate (18) is arranged in the cavity, a sliding rod (16) is fixedly connected to the sliding plate (18), the sliding rod (16) penetrates through the operating head (14) and is in sliding connection with the operating head, a handle (17) is fixedly connected to one end of the sliding rod (16) far away from the operating head (14), a spring (19) is sleeved on the outer wall of the sliding rod (16), two ends of the spring (19) are respectively fixedly connected with the sliding plate (18) and the inner wall of the cavity, a plurality of positioning blocks (20) are fixedly connected to the sliding plate (18), the plurality of positioning blocks (20) penetrate through the operating head (14) and are in sliding connection with the operating head, and a plurality of positioning grooves (21) are arranged on the mounting block (13), each positioning block (20) is embedded into a positioning groove (21) respectively.
3. The lock-type gear shifting mechanism of the gearbox of the tractor as claimed in claim 1, characterized in that the outer wall of the handle (8) is sleeved with a layer of rubber protective sleeve.
4. The lock-type gear-shifting mechanism of the gearbox of the tractor as claimed in claim 1, characterized in that the first operating lever (2) and the second operating lever (4) are provided with grooves, and the outer wall of the threaded rod (11) and the inner wall of the groove are respectively provided with a matched external thread and an internal thread.
5. The lock-type gear-shifting mechanism of the gearbox of the tractor as claimed in claim 1, characterized in that the first operating lever (2), the hollow column (3) and the second operating lever (4) are made of aluminum alloy.
6. The lock-type gear shifting mechanism of the gearbox of the tractor as claimed in claim 1, wherein a layer of silica gel protective sleeve is sleeved on the outer wall of the operating head (14).
7. The lock-type gear shifting mechanism of the gearbox of the tractor according to claim 1, wherein two limiting blocks (5) are fixedly connected to the outer walls of the first operating lever (2) and the second operating lever (4), four limiting grooves (6) are formed in the hollow column (3), and the four limiting blocks (5) are respectively connected with the inner walls of the limiting grooves (6) in a sliding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122681531.XU CN216200413U (en) | 2021-11-04 | 2021-11-04 | Lock type gear shifting mechanism of tractor gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122681531.XU CN216200413U (en) | 2021-11-04 | 2021-11-04 | Lock type gear shifting mechanism of tractor gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200413U true CN216200413U (en) | 2022-04-05 |
Family
ID=80901427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122681531.XU Active CN216200413U (en) | 2021-11-04 | 2021-11-04 | Lock type gear shifting mechanism of tractor gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200413U (en) |
-
2021
- 2021-11-04 CN CN202122681531.XU patent/CN216200413U/en active Active
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