CN112128364B - Mechanical gear shifting double-speed-change operating mechanism - Google Patents
Mechanical gear shifting double-speed-change operating mechanism Download PDFInfo
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- CN112128364B CN112128364B CN202011139856.9A CN202011139856A CN112128364B CN 112128364 B CN112128364 B CN 112128364B CN 202011139856 A CN202011139856 A CN 202011139856A CN 112128364 B CN112128364 B CN 112128364B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0278—Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H2059/026—Details or special features of the selector casing or lever support
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H2059/026—Details or special features of the selector casing or lever support
- F16H2059/0269—Ball joints or spherical bearings for supporting the lever
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention provides a mechanical gear shifting double-speed-changing control mechanism, relates to the technical field of automobile control equipment, and aims to solve the problems that in actual use of a conventional gear shifting mechanical double-speed-changing control mechanism, due to continuous friction between a gear shifting ball head and a gear selecting ball sleeve, the surfaces of the gear shifting ball head and the gear selecting ball sleeve are easy to wear, the service life of parts is shortened, the automatic resetting effect of a gear selecting rod is not ideal, the gear shifting process is not smooth, and the use hand feeling is influenced. According to the invention, because the inner wall of the gear selecting ball sleeve is of an arc structure, the rolling shaft is arranged on the arc inner wall of the gear selecting ball sleeve, the gear selecting ball sleeve is rotatably connected with the gear shifting ball head through the rolling shaft, the sealing soft sleeve is arranged at the bottom end of the gear selecting ball sleeve and is tightly attached to the gear selecting ball sleeve in a bonding mode, when the gear selecting rod is shaken, the friction between the gear shifting ball head and the gear selecting ball sleeve is reduced, and the lubricating oil can be prevented from leaking from the bottom due to the sealing soft sleeve arranged at the bottom end of the gear selecting ball sleeve.
Description
Technical Field
The invention belongs to the technical field of automobile control equipment, and particularly relates to a mechanical gear shifting double-speed change control mechanism.
Background
The transmission control mechanism is used for changing the collocation of transmission gears to realize a gear shifting mechanism. Under the operation of a driver, the transmission control mechanism can be quickly, accurately and reliably removed, put into a certain gear or be returned to a neutral position. The manual gear shifting control mechanism comprises a gear shifting rod, a gear selecting rod, a base and a zipper. The gear shifting rod converts the force of a driver pushing the gear shifting rod into power of pulling a zipper to pull a gearbox to shift through a lever by a well-known lever principle.
For example, application No.: the invention of CN201711173389.X is a gear selecting and shifting control mechanism of a mechanical single-rod gearbox, wherein a flexible shaft fixing support is arranged on the side surface of the gearbox, and a gear selecting flexible shaft connecting fork and a gear shifting flexible shaft connecting fork are respectively arranged on the flexible shaft fixing support; a rotating arm fixing support is arranged on the side face of the gearbox, a rotating arm is arranged on the Z-shaped rotating arm fixing support in a matched mode through a rotating shaft, the upper end of the rotating arm is connected with a gear selecting flexible shaft, and the gear selecting flexible shaft is connected to an operating mechanism in the cab through a gear selecting flexible shaft connecting fork; the lower end of the rotating arm is connected with a connecting rod, and the connecting rod is transversely connected with an outer gear shifting rocker arm. The lower end of the outer gear shifting rocker arm is connected to a gear shifting flexible shaft connecting fork through a gear shifting flexible shaft and finally output to a cab operating mechanism; the upper end of the outer gear shifting rocker arm is provided with a spline hole and is connected with a transverse gear shifting rod of the gearbox. The height of the gearbox operating mechanism is reduced, especially space is saved for installing a cab and a carriage, the height is reduced by about 110mm on the basis of the original double-rod operation, and the hand feeling is good.
Based on the above patent search, and the discovery of the prior art, the height of the transmission operating mechanism can be reduced, but the shift operating mechanism has the following disadvantages in practical use, such as: conventional mechanical two variable speed operating mechanism that shifts shakes the gear selection pole and shifts the operation when in-service use, because the continuous friction of bulb and the gear selection ball cover of shifting, the bulb of shifting and the easy wearing and tearing of gear selection ball cover surface reduce the life of part, leak outside the lubricating oil bottom moreover, when shaking the gear selection pole simultaneously and shifting the operation, the automatic re-setting effect of gear selection pole is ideal inadequately, leads to making the process of shifting not smooth, influences and uses and feels.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mechanical gear shifting double-speed change operating mechanism, which aims to solve the problems that when the conventional mechanical gear shifting double-speed change operating mechanism is actually used, a gear selecting rod is shaken to perform gear shifting operation, the surfaces of a gear shifting ball head and a gear selecting ball sleeve are easily abraded due to continuous friction between the gear shifting ball head and the gear selecting ball sleeve, the service life of parts is shortened, lubricating oil is leaked from the bottom, and when the gear selecting rod is shaken to perform gear shifting operation, the automatic resetting effect of the gear selecting rod is not ideal, so that the gear shifting process is not smooth, and the use hand feeling is influenced.
The invention relates to a mechanical gear-shifting double-speed-changing control mechanism, which is achieved by the following specific technical means:
a mechanical gear shifting double-speed change operating mechanism comprises a shell, wherein the shell is of a rectangular cavity structure, a bottom plate is arranged at the bottom end of the shell, and the bottom plate is fixedly connected with the shell through a bolt; the top end of the shell is provided with a gear selecting base, and the gear selecting base is fixedly connected with the shell through a bolt; the gear selecting base comprises a fixed shaft sleeve, a gear selecting fastening sleeve and a protective ring, the gear selecting fastening sleeve is of a cylindrical cavity structure, a reset mechanism is arranged in a cavity of the gear selecting fastening sleeve, a gear selecting ball sleeve is arranged below the reset mechanism, a gear selecting rod is arranged in the cavity of the gear selecting fastening sleeve and penetrates through the reset mechanism and the gear selecting ball sleeve, the protective ring is fixedly mounted at the top end of the gear selecting fastening sleeve, the front end of the gear selecting fastening sleeve is provided with the fixed shaft sleeve, the fixed shaft sleeve is fixedly connected with the gear selecting base, and the fixed shaft sleeve is rotatably connected with the rotating arm through a rotating shaft; two gear selecting pull rods are arranged in the cavity of the shell and are distributed in a left-right parallel mode; the end part of the gear selecting pull rod on the left side is provided with a main coupling sleeve, and the main coupling sleeve is connected with the gear selecting rod; a connecting clamping sleeve is arranged at the end part of the gear selecting pull rod on the right side, a connecting tooth claw is arranged in the connecting clamping sleeve, and the connecting tooth claw is rotationally connected with the rotating arm through a pin shaft; the front end of the shell is provided with two connecting components; two gear selecting inhaul cables are arranged in front of the shell, and the gear selecting pull rod is connected with the gear selecting pull rod through a connecting assembly.
Furthermore, the gear selecting rod comprises a gear shifting ball head, a connecting sheet and a connecting shaft rod, the gear shifting ball head is welded at the bottom end of the gear selecting rod, the connecting sheet is welded at the bottom end of the gear shifting ball head, the connecting sheet is rotatably connected with the main connecting shaft sleeve through a rotating shaft, the connecting shaft rod is welded at one side of the gear shifting ball head, and the connecting shaft rod is rotatably connected with the rotating arm through a bearing.
Further, the connecting claw comprises an installation plate, supporting blocks, clamping blocks and supporting springs, the installation plate is rotatably connected with the rotating arm through a pin shaft, the supporting blocks are welded on the right side of the installation plate, the clamping blocks are arranged on two sides of the supporting blocks and are rotatably connected with the installation plate through rotating shafts, the supporting springs are fixedly installed on the clamping blocks, and the clamping blocks and the supporting blocks are supported and connected through the supporting springs.
Furthermore, the connecting assembly comprises a pull rod fastener, support rods, a compression spring and a pull cable buckle sleeve, the pull rod fastener is fixedly connected with the gear selecting pull rod, the support rods are arranged on the pull rod fastener and distributed in an annular array mode, the support rods are fixedly connected with the pull cable buckle sleeve, the compression spring is arranged between the pull cable buckle sleeve and the pull rod fastener, a gear selecting pull cable is arranged in the pull cable buckle sleeve, and the gear selecting pull cable is connected with the pull cable buckle sleeve in a sliding mode.
Further, canceling release mechanical system is including fixed lantern ring, go-between, inserted bar and reset spring, fixed lantern ring is the loop configuration, and fixed lantern ring and select shelves pole sliding connection, the go-between can be dismantled with the select shelves adapter sleeve through the mode of embedding and be connected, be equipped with the inserted bar of four places between fixed lantern ring and the go-between, and the inserted bar of four places is the annular array mode and distributes, four places the inserted bar rotates with fixed lantern ring and go-between through the round pin axle to be connected, and the cover is equipped with reset spring on the inserted bar.
Further, select shelves ball cover including sealed soft cover and roller bearing, select the mode that the shelves ball cover passes through the embedding and select the shelves adapter sleeve can dismantle and be connected, and select the shelves ball cover and set up in the bulb bottom of shifting, select the shelves ball cover inner wall to be the arc structure, and be equipped with the roller bearing on the selection shelves ball cover arc inner wall, the roller bearing is the mode distribution of annular array, and selects the shelves ball cover to rotate with the bulb of shifting through the roller bearing and be connected, select shelves ball cover bottom to be equipped with sealed soft cover, and sealed soft cover closely laminates through the mode that bonds with selecting the shelves ball cover.
Further, the connecting clamping sleeve comprises a tooth groove and a fixing sleeve, the connecting clamping sleeve is of an arc groove structure, the tooth groove is formed in the groove of the connecting clamping sleeve, the connecting clamping sleeve is provided with the fixing sleeve, and the fixing sleeve is fixedly connected with the connecting clamping sleeve in a threaded mode.
Furthermore, when the connecting claw is connected with the connecting sleeve, the fixture block is arranged in the connecting sleeve and is connected with the tooth groove in a meshing manner.
Compared with the prior art, the invention has the following beneficial effects:
because the fixed lantern ring is annular structure, and fixed lantern ring and select shelves pole sliding connection, the go-between can be dismantled with the select shelves adapter sleeve through the mode of embedding and be connected, be equipped with the inserted bar of four places between fixed lantern ring and the go-between, and the inserted bar of four places is the distribution of annular array mode, the inserted bar of four places is connected through round pin axle and fixed lantern ring and go-between rotation, and the cover is equipped with reset spring on the inserted bar, when waveing the operation of shifting of select shelves pole, make the select shelves pole reset through reset spring, thereby make the process of shifting more smooth, and reduce the friction of select shelves pole to select the shelves adapter sleeve.
Because the gear selecting ball sleeve is detachably connected with the gear selecting fastening sleeve in an embedded mode, the gear selecting ball sleeve is arranged at the bottom end of the gear shifting ball head, the inner wall of the gear selecting ball sleeve is of an arc-shaped structure, the inner wall of the gear selecting ball sleeve is provided with the rolling shafts which are distributed in an annular array mode, the gear selecting ball sleeve is rotatably connected with the gear shifting ball head through the rolling shafts, the bottom end of the gear selecting ball sleeve is provided with the sealing soft sleeve, the sealing soft sleeve is tightly attached to the gear selecting ball sleeve in a bonding mode, the rolling shafts are arranged in the gear selecting ball sleeve, when the gear selecting rod is shaken, the friction between the gear shifting ball head and the gear selecting ball sleeve is reduced, and the sealing soft sleeve arranged at the bottom end of the gear selecting ball sleeve can prevent lubricating oil.
The connecting clamping sleeve is of an arc groove structure, a tooth groove is formed in the groove of the connecting clamping sleeve, the connecting clamping sleeve is provided with a fixed sleeve, and the fixed sleeve is fixedly connected with the connecting clamping sleeve in a threaded mode; when the connecting tooth claw is connected with the connecting clamping sleeve, the fixture block is arranged in the connecting clamping sleeve and is meshed with the tooth socket, and when the rotating arm rotates and adjusts the gear selecting pull rod, the fixture block arranged on the connecting tooth claw is meshed with the tooth socket by utilizing the lever principle, so that the gear selecting pull rod is pulled by the connecting clamping sleeve, the elastic action of the supporting spring improves the automatic return power, and the use is more convenient.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic axial view of the present invention.
FIG. 2 is a schematic view of the present invention from a bottom view with the bottom plate removed.
Fig. 3 is a schematic structural view of the present invention with the housing and the gear selecting base removed.
Fig. 4 is a schematic view of the structure of the gear selecting base of the present invention.
Fig. 5 is an enlarged view of the portion a in fig. 4 according to the present invention.
Fig. 6 is a schematic view of the structure of the gear selecting rod and the gear selecting ball sleeve of the present invention.
Fig. 7 is a schematic view of the connection assembly of the present invention.
Fig. 8 is an enlarged view of the portion B of fig. 7 according to the present invention.
Fig. 9 is a schematic structural view of the connecting cutting sleeve and the connecting tooth claw in a separated state.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a housing; 2. a rotating arm; 3. a gear selecting rod; 301. a gear shifting ball head; 302. connecting sheets; 303. connecting the shaft lever; 4. a gear selecting base; 401. fixing the shaft sleeve; 402. a gear selecting fastening sleeve; 403. protecting the ring; 5. a connecting tooth claw; 501. mounting a plate; 502. a support block; 503. a clamping block; 504. a support spring; 6. a connecting assembly; 601. a pull rod fastener; 602. a support bar; 603. a compression spring; 604. a stay cable buckle sleeve; 7. a reset mechanism; 701. a fixed collar; 702. a connecting ring; 703. inserting a rod; 704. a return spring; 8. selecting a gear ball sleeve; 801. sealing the soft sleeve; 802. a roller; 9. connecting the clamping sleeve; 901. a tooth socket; 902. fixing a sleeve; 10. a main coupling sleeve; 11. selecting a gear inhaul cable; 12. a gear selecting pull rod; 13. a base plate.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 9:
the invention provides a mechanical gear shifting double-speed-changing control mechanism which comprises a shell 1, wherein the shell 1 is of a rectangular cavity structure, a bottom plate 13 is arranged at the bottom end of the shell 1, and the bottom plate 13 is fixedly connected with the shell 1 through a bolt; the top end of the shell 1 is provided with a gear selecting base 4, and the gear selecting base 4 is fixedly connected with the shell 1 through a bolt; the gear selecting base 4 comprises a fixed shaft sleeve 401, a gear selecting fastening sleeve 402 and a protective ring 403, the gear selecting fastening sleeve 402 is of a cylindrical cavity structure, a reset mechanism 7 is arranged in a cavity of the gear selecting fastening sleeve 402, a gear selecting ball sleeve 8 is arranged below the reset mechanism 7, a gear selecting rod 3 is arranged in the cavity of the gear selecting fastening sleeve 402, the gear selecting rod 3 penetrates through the reset mechanism 7 and the gear selecting ball sleeve 8, the protective ring 403 is fixedly arranged at the top end of the gear selecting fastening sleeve 402, a fixed shaft sleeve 401 is arranged at the front end of the gear selecting fastening sleeve 402, the fixed shaft sleeve 401 is fixedly connected with the gear selecting base 4, and the fixed shaft sleeve 401 is rotatably connected with the rotating arm 2 through a rotating shaft; two gear selecting pull rods 12 are arranged in the cavity of the shell 1, and the two gear selecting pull rods 12 are distributed in a left-right parallel mode; the end part of the left gear selecting pull rod 12 is provided with a main coupling sleeve 10; the gear selecting rod 3 comprises a gear shifting ball head 301, a connecting sheet 302 and a connecting shaft rod 303, the gear shifting ball head 301 is welded at the bottom end of the gear selecting rod 3, the connecting sheet 302 is welded at the bottom end of the gear shifting ball head 301, the connecting sheet 302 is rotatably connected with the main connecting shaft sleeve 10 through a rotating shaft, the connecting shaft rod 303 is welded at one side of the gear shifting ball head 301, and the connecting shaft rod 303 is rotatably connected with the rotating arm 2 through a bearing; the end part of the right gear-selecting pull rod 12 is provided with a connecting clamping sleeve 9, a connecting tooth claw 5 is arranged inside the connecting clamping sleeve 9, and the connecting tooth claw 5 is rotatably connected with the rotating arm 2 through a pin shaft; the connecting tooth claw 5 comprises a mounting plate 501, a supporting block 502, a clamping block 503 and a supporting spring 504, the mounting plate 501 is rotatably connected with the rotating arm 2 through a pin shaft, the supporting block 502 is welded on the right side of the mounting plate 501, the clamping blocks 503 are arranged on two sides of the supporting block 502, the two clamping blocks 503 are rotatably connected with the mounting plate 501 through a rotating shaft, the supporting spring 504 is fixedly mounted on the clamping block 503, and the clamping block 503 is in supporting connection with the supporting block 502 through the supporting spring 504; the front end of the shell 1 is provided with two connecting components 6; two gear selecting inhaul cables 11 are arranged in front of the shell 1, and a gear selecting pull rod 12 is connected with the gear selecting pull rod 12 through a connecting assembly 6.
The connecting assembly 6 includes a pull rod buckle 601, a support rod 602, a compression spring 603 and a cable buckle 604, the pull rod buckle 601 is fixedly connected with the gear selecting pull rod 12, the support rod 602 is disposed on the pull rod buckle 601, the support rod 602 is distributed in an annular array, the support rod 602 is fixedly connected with the cable buckle 604, the compression spring 603 is disposed between the cable buckle 604 and the pull rod buckle 601, the gear selecting pull cable 11 is disposed in the cable buckle 604, the gear selecting pull cable 11 is slidably connected with the cable buckle 604, and the gear selecting pull cable 11 is more stably connected with the gear selecting pull rod 12 through the pull rod buckle 601 and the cable buckle 604.
Wherein, canceling release mechanical system 7 includes fixed lantern ring 701, go-between 702, inserted bar 703 and reset spring 704, fixed lantern ring 701 is the loop configuration, and fixed lantern ring 701 and select shelves pole 3 sliding connection, go-between 702 can dismantle with select shelves adapter sleeve 402 through the mode of embedding and be connected, be equipped with four inserted bars 703 between fixed lantern ring 701 and the go-between 702, and four inserted bars 703 are distributed in the annular array mode, four inserted bars 703 rotate with fixed lantern ring 701 and go-between 702 through the round pin axle and are connected, and the cover is equipped with reset spring 704 on the inserted bar 703, when shaking select shelves pole 3 and shifting gears the operation, make select shelves pole 3 reset through reset spring 704, thereby make the process of shifting gears more smooth, and reduce the friction of select shelves pole 3 to select shelves adapter sleeve 402.
The gear selecting ball sleeve 8 comprises a sealing soft sleeve 801 and a rolling shaft 802, the gear selecting ball sleeve 8 is detachably connected with the gear selecting fastening sleeve 402 in an embedded mode, the gear selecting ball sleeve 8 is arranged at the bottom end of the gear shifting ball head 301, the inner wall of the gear selecting ball sleeve 8 is of an arc-shaped structure, the rolling shaft 802 is arranged on the arc-shaped inner wall of the gear selecting ball sleeve 8, the rolling shaft 802 is distributed in an annular array mode, the gear selecting ball sleeve 8 is rotatably connected with the gear shifting ball head 301 through the rolling shaft 802, the sealing soft sleeve 801 is arranged at the bottom end of the gear selecting ball sleeve 8, the sealing soft sleeve 801 is tightly attached to the gear selecting ball sleeve 8 in a bonding mode, the rolling shaft 802 is arranged in the gear selecting ball sleeve 8, when the gear selecting rod 3 is shaken, friction between the gear shifting ball head 301 and the gear selecting ball sleeve 8 is reduced, and lubricating oil can be prevented from leaking from the bottom.
The connecting clamping sleeve 9 comprises a tooth socket 901 and a fixing sleeve 902, the connecting clamping sleeve 9 is of an arc groove structure, the tooth socket 901 is arranged in a groove of the connecting clamping sleeve 9, the fixing sleeve 902 is arranged on the connecting clamping sleeve 9, and the fixing sleeve 902 is fixedly connected with the connecting clamping sleeve 9 in a threaded mode; when the connecting claw 5 is connected with the connecting sleeve 9, the fixture block 503 is arranged in the connecting sleeve 9, the fixture block 503 is meshed with the tooth groove 901, and by utilizing the lever principle, when the rotating arm 2 rotates and adjusts the gear selecting pull rod 12, the fixture block 503 arranged on the connecting claw 5 is meshed with the tooth groove 901, so that the connecting sleeve 9 pulls the gear selecting pull rod 12, the elastic action of the supporting spring 504 improves the automatic return power, and the use is more convenient.
The specific use mode and function of the embodiment are as follows:
in the using process, firstly, the pull rod buckle 601 is fixedly connected with the gear selecting pull rod 12, the pull rod buckle 601 is provided with support rods 602, the support rods 602 are distributed in an annular array mode, the support rods 602 are fixedly connected with a stay cable buckle sleeve 604, a compression spring 603 is arranged between the stay cable buckle sleeve 604 and the pull rod buckle 601, the gear selecting pull cable 11 is arranged in the stay cable buckle sleeve 604, the gear selecting pull cable 11 is connected with the stay cable buckle sleeve 604 in a sliding mode, and the gear selecting pull cable 11 is connected with the gear selecting pull rod 12 more stably through the pull rod buckle 601 and the stay cable buckle sleeve 604;
the fixed lantern ring 701 is of an annular structure, the fixed lantern ring 701 is connected with the gear selection rod 3 in a sliding mode, the connecting ring 702 is detachably connected with the gear selection fastening sleeve 402 in an embedded mode, four inserting rods 703 are arranged between the fixed lantern ring 701 and the connecting ring 702, the four inserting rods 703 are distributed in an annular array mode, the four inserting rods 703 are rotatably connected with the fixed lantern ring 701 and the connecting ring 702 through pin shafts, a return spring 704 is sleeved on the inserting rods 703, and when the gear selection rod 3 is shaken to perform gear shifting operation, the gear selection rod 3 is reset through the return spring 704, so that the gear shifting process is smoother, and friction of the gear selection rod 3 on the gear selection fastening sleeve 402 is reduced;
in addition, the connecting cutting sleeve 9 is of an arc-shaped groove structure, a tooth groove 901 is formed in the groove of the connecting cutting sleeve 9, a fixing sleeve 902 is arranged on the connecting cutting sleeve 9, and the fixing sleeve 902 is fixedly connected with the connecting cutting sleeve 9 in a threaded mode; when the connecting claw 5 is connected with the connecting sleeve 9, the fixture block 503 is arranged in the connecting sleeve 9, the fixture block 503 is meshed with the tooth groove 901, and by utilizing the lever principle, when the rotating arm 2 rotates and adjusts the gear selecting pull rod 12, the fixture block 503 arranged on the connecting claw 5 is meshed with the tooth groove 901, so that the connecting sleeve 9 pulls the gear selecting pull rod 12, the elastic action of the supporting spring 504 improves the automatic return power, and the use is more convenient.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (1)
1. The utility model provides a mechanical two variable speed operating mechanism that shift which characterized in that: the shell comprises a shell body (1), wherein the shell body (1) is of a rectangular cavity structure, a bottom plate (13) is arranged at the bottom end of the shell body (1), and the bottom plate (13) is fixedly connected with the shell body (1) through a bolt; the top end of the shell (1) is provided with a gear selecting base (4), and the gear selecting base (4) is fixedly connected with the shell (1) through a bolt; the gear selecting base (4) comprises a fixed shaft sleeve (401), a gear selecting fastening sleeve (402) and a guard ring (403), the gear selecting fastening sleeve (402) is of a cylindrical cavity structure, a reset mechanism (7) is arranged in a cavity of the gear selecting fastening sleeve (402), a gear selecting ball sleeve (8) is arranged below the reset mechanism (7), a gear selecting rod (3) is arranged in the cavity of the gear selecting fastening sleeve (402), the gear selecting rod (3) penetrates through the reset mechanism (7) and the gear selecting ball sleeve (8), the guard ring (403) is fixedly installed at the top end of the gear selecting fastening sleeve (402), the fixed shaft sleeve (401) is arranged at the front end of the gear selecting fastening sleeve (402), the fixed shaft sleeve (401) is fixedly connected with the gear selecting base (4), and the fixed shaft sleeve (401) is rotatably connected with the rotating arm (2) through a rotating shaft; two gear selecting pull rods (12) are arranged in the cavity of the shell (1), and the two gear selecting pull rods (12) are distributed in a left-right parallel mode; a main coupling sleeve (10) is arranged at the end part of the gear selecting pull rod (12) on the left side, and the main coupling sleeve (10) is connected with the gear selecting rod (3); a connecting clamping sleeve (9) is arranged at the end part of the gear selecting pull rod (12) on the right side, a connecting tooth claw (5) is arranged inside the connecting clamping sleeve (9), and the connecting tooth claw (5) is rotatably connected with the rotating arm (2) through a pin shaft; the front end of the shell (1) is provided with two connecting components (6); two gear selecting inhaul cables (11) are arranged in front of the shell (1), and the gear selecting inhaul cables (11) are connected with a gear selecting pull rod (12) through a connecting assembly (6);
the gear selecting rod (3) comprises a gear shifting ball head (301), a connecting sheet (302) and a connecting shaft rod (303), the gear shifting ball head (301) is welded at the bottom end of the gear selecting rod (3), the connecting sheet (302) is welded at the bottom end of the gear shifting ball head (301), the connecting sheet (302) is rotatably connected with the main connecting shaft sleeve (10) through a rotating shaft, the connecting shaft rod (303) is welded at one side of the gear shifting ball head (301), and the connecting shaft rod (303) is rotatably connected with the rotating arm (2) through a bearing;
the connecting tooth claw (5) comprises a mounting plate (501), a supporting block (502), a clamping block (503) and a supporting spring (504), the mounting plate (501) is rotatably connected with the rotating arm (2) through a pin shaft, the supporting block (502) is welded on the right side of the mounting plate (501), the clamping blocks (503) are arranged on two sides of the supporting block (502), the two clamping blocks (503) are rotatably connected with the mounting plate (501) through rotating shafts, the supporting spring (504) is fixedly mounted on the clamping blocks (503), and the clamping blocks (503) are in supporting connection with the supporting block (502) through the supporting spring (504);
the connecting assembly (6) comprises a pull rod buckle (601), a support rod (602), a compression spring (603) and a pull cable buckle sleeve (604), the pull rod buckle (601) is fixedly connected with the gear selecting pull rod (12), the support rod (602) is arranged on the pull rod buckle (601), the support rods (602) are distributed in an annular array mode, the support rods (602) are fixedly connected with the pull cable buckle sleeve (604), the compression spring (603) is arranged between the pull cable buckle sleeve (604) and the pull rod buckle (601), the gear selecting pull cable (11) is arranged in the pull cable buckle sleeve (604), and the gear selecting pull cable (11) is slidably connected with the pull cable buckle sleeve (604);
the resetting mechanism (7) comprises a fixed sleeve ring (701), a connecting ring (702), inserting rods (703) and a resetting spring (704), the fixed sleeve ring (701) is of an annular structure, the fixed sleeve ring (701) is in sliding connection with the gear selecting rod (3), the connecting ring (702) is detachably connected with the gear selecting fastening sleeve (402) in an embedded mode, the four inserting rods (703) are arranged between the fixed sleeve ring (701) and the connecting ring (702), the four inserting rods (703) are distributed in an annular array mode, the four inserting rods (703) are rotatably connected with the fixed sleeve ring (701) and the connecting ring (702) through pin shafts, and the resetting spring (704) is sleeved on the inserting rod (703);
the gear selecting and blocking ball sleeve (8) comprises a sealing soft sleeve (801) and rolling shafts (802), the gear selecting and blocking ball sleeve (8) is detachably connected with a gear selecting and blocking fastening sleeve (402) in an embedded mode, the gear selecting and blocking ball sleeve (8) is arranged at the bottom end of a gear shifting ball head (301), the inner wall of the gear selecting and blocking ball sleeve (8) is of an arc-shaped structure, the rolling shafts (802) are arranged on the arc-shaped inner wall of the gear selecting and blocking ball sleeve (8), the rolling shafts (802) are distributed in an annular array mode, the gear selecting and blocking ball sleeve (8) is rotatably connected with the gear shifting ball head (301) through the rolling shafts (802), the sealing soft sleeve (801) is arranged at the bottom end of the gear selecting and blocking ball sleeve (8), and the sealing soft sleeve (801) is tightly attached to the gear selecting and blocking;
the connecting clamping sleeve (9) comprises a tooth groove (901) and a fixing sleeve (902), the connecting clamping sleeve (9) is of an arc groove structure, the tooth groove (901) is arranged in a groove of the connecting clamping sleeve (9), the fixing sleeve (902) is arranged on the connecting clamping sleeve (9), and the fixing sleeve (902) is fixedly connected with the connecting clamping sleeve (9) in a threaded mode;
when the connecting claw (5) is connected with the connecting cutting sleeve (9), the fixture block (503) is arranged in the connecting cutting sleeve (9), and the fixture block (503) is meshed with the tooth groove (901) for connection;
in the using process, firstly, a pull rod buckle (601) is fixedly connected with a gear selecting pull rod (12), a support rod (602) is arranged on the pull rod buckle (601), the support rods (602) are distributed in an annular array mode, the support rod (602) is fixedly connected with a stay cable buckle sleeve (604), a compression spring (603) is arranged between the stay cable buckle sleeve (604) and the pull rod buckle (601), a gear selecting stay cable (11) is arranged in the stay cable buckle sleeve (604), the gear selecting stay cable (11) is connected with the stay cable buckle sleeve (604) in a sliding mode, and the gear selecting stay cable (11) is connected with the gear selecting pull rod (12) more stably through the pull rod buckle (601) and the stay cable buckle sleeve (604);
the gear selecting and shifting device is characterized in that the fixed lantern ring (701) is of an annular structure, the fixed lantern ring (701) is in sliding connection with the gear selecting rod (3), the connecting ring (702) is detachably connected with the gear selecting fastening sleeve (402) in an embedded mode, four inserting rods (703) are arranged between the fixed lantern ring (701) and the connecting ring (702), the four inserting rods (703) are distributed in an annular array mode, the four inserting rods (703) are rotatably connected with the fixed lantern ring (701) and the connecting ring (702) through pin shafts, a reset spring (704) is sleeved on each inserting rod (703), and when the gear selecting rod (3) is shaken to perform gear shifting operation, the gear selecting rod (3) is reset through the reset spring (704), so that the gear shifting process is smoother, and friction of the gear selecting rod (3) to the gear selecting fastening sleeve (402) is reduced;
the connecting clamping sleeve (9) is of an arc-shaped groove structure, a tooth groove (901) is formed in the groove of the connecting clamping sleeve (9), a fixing sleeve (902) is arranged on the connecting clamping sleeve (9), and the fixing sleeve (902) is fixedly connected with the connecting clamping sleeve (9) in a threaded mode; when connecting tooth claw (5) and connecting cutting ferrule (9) and being connected, fixture block (503) set up in connecting cutting ferrule (9) to fixture block (503) and tooth's socket (901) meshing are connected, utilize lever principle, when swinging boom (2) rotated the adjustment to select gear pull rod (12), fixture block (503) and tooth's socket (901) meshing that set up on connecting tooth claw (5), thereby make connecting cutting ferrule (9) pulling select gear pull rod (12), the elastic action of supporting spring (504), improve automatic return power, it is more convenient to use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139856.9A CN112128364B (en) | 2020-10-22 | 2020-10-22 | Mechanical gear shifting double-speed-change operating mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011139856.9A CN112128364B (en) | 2020-10-22 | 2020-10-22 | Mechanical gear shifting double-speed-change operating mechanism |
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| Publication Number | Publication Date |
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| CN112128364A CN112128364A (en) | 2020-12-25 |
| CN112128364B true CN112128364B (en) | 2021-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011139856.9A Active CN112128364B (en) | 2020-10-22 | 2020-10-22 | Mechanical gear shifting double-speed-change operating mechanism |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113531106A (en) * | 2021-07-23 | 2021-10-22 | 重庆康搏斯动力设备有限公司 | Gear shifting mechanism of mini-tiller |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1178570A (en) * | 1997-09-05 | 1999-03-23 | Mazda Motor Corp | Select return mechanism for transmission |
| DE102013217048A1 (en) * | 2013-08-27 | 2015-03-05 | Zf Friedrichshafen Ag | Magnetic device for locking a gear selector lever of a vehicle in a predetermined position, method for producing a magnetic device and method for operating a magnetic device |
| CN104565334B (en) * | 2013-10-10 | 2016-11-09 | 广州汽车集团股份有限公司 | A kind of drag-line bearing pin buckle structure |
| CN106352066A (en) * | 2016-08-25 | 2017-01-25 | 宁波高发汽车控制系统股份有限公司 | Automotive shift mechanism |
| CN208935354U (en) * | 2018-05-18 | 2019-06-04 | 清河县万德汽车零部件科技有限公司 | A kind of joint shaft operating stick gearshift |
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Effective date of registration: 20210607 Address after: 312000 No.80, Zhennan Road, Anchang street, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Keqiao Nixi Textile Technology Co.,Ltd. Address before: Ningbo DongTeng Machinery Manufacturing Co., Ltd Applicant before: Xu Fuyi |
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