CN218267199U

CN218267199U - Gearbox gear shifting mechanism

Info

Publication number: CN218267199U
Application number: CN202222688582.XU
Authority: CN
Inventors: 翟军周; 翟浴青; 翟浩宇
Original assignee: Shijiazhuang Ligong Machinery Co ltd
Current assignee: Shijiazhuang Ligong Machinery Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-01-10
Anticipated expiration: 2032-10-12

Abstract

The utility model relates to a gearbox gearshift technical field provides a gearbox gearshift, which comprises a gearbox, the input fixed mounting of gearbox has the part of shifting, fixed mounting has the cover at the locating frame at the part of shifting top on the lateral wall of gearbox, the equal fixed mounting in top wall of locating frame has two cylinders, the equal fixed mounting in top wall of two cylinders has the connecting pipe, the equal fixed mounting in one end of keeping away from the cylinder on two connecting pipes has the solenoid valve, the solenoid valve is in the same place with outside handle electric connection, the bottom sliding connection of cylinder has the extension rod, two position rings have been seted up to the top wall of the part of shifting, the equal sliding connection in inside of two position rings has the extension board, the bottom of two extension boards links together with the inside fender position control end of the part of shifting respectively. Through above-mentioned technical scheme, lead to shifting delay among the prior art, make the staff produce the maloperation easily, the higher problem of potential safety hazard.

Description

Gearbox gear shifting mechanism

Technical Field

The utility model relates to a gearbox gearshift technical field, it is specific, relate to a gearbox gearshift.

Background

The gearbox is a gearbox that changes the transmission ratio and the direction of motion. Between the clutch and the central transmission. The main functions are: changing the driving force and the running speed of the vehicle (shifting) with the engine speed and the torque unchanged; the vehicle can run backwards (reverse); the engine may be parked without stalling (neutral).

The existing gearbox gear shifting mechanism in the market at present is in the in-process of using, through the threaded rod of output shaft fixed mounting at the motor, threaded connection threaded sleeve on the lateral wall of threaded rod, and overlap the bottom of threaded sleeve on the lateral wall of transfer line, utilize the inside fender position of transfer line adjustment gear shifting part, because it is the motor drive threaded rod rotation, so the threaded rod gradually removes or outwards extends to the inside of threaded sleeve along with rotating, then the pulling transfer line removes, because the threaded rod is the gradual removal, lead to at the transfer line that the speed of shifting the fender position of part is also slower, lead to shifting the delay easily, make the staff produce the maloperation easily, the potential safety hazard is higher.

Therefore, a gear shifting mechanism of the gearbox needs to be designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a gearbox gearshift has solved and has leaded to shifting to delay among the correlation technique, makes the staff produce the maloperation easily, the higher problem of potential safety hazard.

The technical scheme of the utility model as follows: the utility model provides a gearbox gearshift, which comprises a gearbox, the input fixed mounting of gearbox has the part of shifting, fixed mounting has the locating frame at the part of shifting top on the lateral wall of gearbox, the top wall fixed mounting of locating frame has two cylinders, the equal fixed mounting of the top wall of two cylinders has the connecting trachea, the equal fixed mounting of one end of keeping away from the cylinder on two connecting tracheas has the solenoid valve, the solenoid valve is in the same place with outside handle electric connection, the bottom sliding connection of cylinder has the extension rod, two position rings have been seted up to the top wall of the part of shifting, the equal sliding connection in inside of two position rings has the extension board, the bottom of two extension boards links together with the inside fender position control end of the part of shifting respectively, the bottom wall fixed mounting of extension rod has the connecting piece, the bottom of connecting piece is in the same place with the top wall fixed connection of extension board.

Preferably, the connecting piece is including the lagging that is "U" font, and the lagging is totally two, and the top wall of two lagging is in the same place with the bottom wall fixed connection of two extension rods respectively, and the bottom of lagging is provided with two sets of location splint, and the inside of every location splint of group all is provided with the connection arc board that is the arc form, and the outside of every location splint of group all is provided with two fixed axles, and the front end of two connection arc boards is in the inside of two lagging respectively, and the inside wall of two lagging all rotates the location axle that is connected with the lateral wall front end of through connection arc board.

Preferably, each group of the positioning clamping plates consists of two rectangular plates, and the two rectangular plates in each group of the positioning clamping plates are respectively positioned at the left end and the right end of the corresponding extending plate.

Preferably, the fixing shaft near the bottom penetrates through the side walls of the positioning clamping plate and the extending plate to enable the positioning clamping plate and the extending plate to be rotatably connected together, and the fixing shaft near the top penetrates through the side walls of the positioning clamping plate and the connecting arc plate to enable the connecting arc plate and the positioning clamping plate to be rotatably connected together.

Preferably, the rear side wall surfaces of the two connecting arc plates inside the connecting piece are fixedly connected with a connecting rod, and a positioning sleeve which is rotatably connected with the connecting rod is fixedly installed on the side wall of the gearbox.

Preferably, the top of extension rod runs through the bottom wall of location axle and extends to the inside of cylinder, the top wall fixed mounting of location axle have with the inside sliding connection of cylinder limiting plate together.

Preferably, the fixed level of the top wall of the limiting plate is provided with a return spring fixedly connected with the top wall inside the cylinder.

Preferably, the left side wall surface and the right side wall surface of the positioning frame are both fixedly provided with connecting plates, and the front side wall surfaces of the two connecting plates are both sleeved with fixing nuts which are in threaded connection with the inside of the gearbox.

The utility model discloses a theory of operation and beneficial effect do:

1. the utility model discloses in, through being in the same place outside solenoid valve and outside handle electric connection, make the staff can directly pass through handle control solenoid valve, and the solenoid valve links together with the cylinder through connecting the trachea, make the solenoid valve can add the air to the inside of cylinder, after the cylinder is inside to be full of the air, the extension rod can downwardly extending, and the extension rod passes through the top wall fixed connection of connecting piece and extension board and is in the same place, make the extension rod can directly control the extension board and reciprocate, and the bottom of extension board links together with the inside control end that keeps off the position of gear shifting part, thereby the inside fender position of gear shifting part is controlled, through the straight-up straight-down of cylinder, avoid cutting the fender and produce the condition emergence of postponing.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a front view of the gear shifting mechanism of the transmission of the present invention;

FIG. 2 is a front view of the shift assembly of the present invention;

FIG. 3 is a schematic view of the position of the connecting rod of the present invention;

fig. 4 is a sectional view of the cylinder of the present invention.

In the figure: 1. a gearbox; 2. a shift member; 3. a positioning frame; 4. a cylinder; 5. connecting an air pipe; 6. positioning rings; 7. an extension plate; 8. positioning the clamping plate; 9. connecting the arc plates; 10. a fixed shaft; 11. a connecting rod; 12. an extension rod; 13. sheathing; 14. positioning the shaft; 15. a limiting plate; 16. a return spring; 17. a connecting plate; 18. fixing a nut; 19. a positioning sleeve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive work, are related to the scope of the present invention.

In the embodiment, as shown in fig. 1 to 4, the embodiment provides a transmission gear shifting mechanism, which includes a transmission case 1, a gear shifting component 2 is fixedly installed at an input end of the transmission case 1, a positioning frame 3 sleeved on a top of the gear shifting component 2 is fixedly installed on a side wall of the transmission case 1, two cylinders 4 are fixedly installed on a top wall surface of the positioning frame 3, connecting air pipes 5 are fixedly installed on top wall surfaces of the two cylinders 4, electromagnetic valves are fixedly installed on ends, far away from the cylinders 4, of the two connecting air pipes 5, the electromagnetic valves are electrically connected with an external handle, an extension rod 12 is slidably connected to a bottom of each cylinder 4, two positioning rings 6 are disposed on the top wall surface of the gear shifting component 2, extension plates 7 are slidably connected to interiors of the two positioning rings 6, bottom ends of the two extension plates 7 are respectively connected with gear control ends inside the gear shifting component 2, extension rod 12's bottom wall fixed mounting has the connecting piece, the bottom of connecting piece is in the same place with the top wall fixed connection of extension board 7, through being in the same place outside solenoid valve and outside handle electric connection, make the staff can directly pass through the handle control solenoid valve, and the solenoid valve links together through connecting trachea 5 and cylinder 4, make the solenoid valve can add the air to the inside of cylinder 4, after cylinder 4 is inside to be full of the air, extension rod 12 can downwardly extending, and extension rod 12 is in the same place through the connecting piece with the top wall fixed connection of extension board 7, make extension rod 12 can directly control extension board 7 reciprocate, and the bottom of extension board 7 links together with the control end that 2 inside fender position of part of shifting 2, thereby control 2 inside fender position of part of shifting.

The connecting piece comprises two U-shaped sleeve plates 13, the number of the sleeve plates 13 is two, the top wall surfaces of the two sleeve plates 13 are fixedly connected with the bottom wall surfaces of two extension rods 12 respectively, two groups of positioning clamping plates 8 are arranged at the bottom of the sleeve plates 13, each group of positioning clamping plates 8 is composed of two rectangular plates, the two rectangular plates inside each group of positioning clamping plates 8 are respectively positioned at the left and right ends of the corresponding extension plates 7, the arc-shaped connecting arc plates 9 are arranged inside each group of positioning clamping plates 8, two fixing shafts 10 are arranged outside each group of positioning clamping plates 8, the fixing shafts 10 near the bottom penetrate through the positioning clamping plates 8 and the side walls of the extension plates 7 to enable the positioning clamping plates 8 and the extension plates 7 to be rotatably connected together, and the fixing shafts 10 near the top penetrate through the positioning clamping plates 8 and the side walls of the connecting arc plates 9, make and connect arc board 9 and the 8 rotation of location splint and link together, the front end of connecting arc board 9 is in the inside of two lagging 13 respectively for two, the inside wall of two lagging 13 all rotates the location axle 14 that is connected with the lateral wall front end of through connection arc board 9, mutually support through lagging 13 and location axle 14, the bottom that makes extension rod 12 is in the same place with the inside arc board 9 swing joint that is connected of connecting piece, when extension rod 12 reciprocates along with the instruction of solenoid valve, it can rotate around the fixed axle 10 that is close to the top to connect arc board 9, make and connect arc board 9 upwards spurs or press down the fixed axle 10 that is close to the top, make fixed axle 10 drive extension board 7 reciprocate, thereby 1 inside fender position of control gearbox.

Inside two rear side wall fixedly connected with connecting rods 11 of connecting arc board 9 of connecting piece, fixed mounting has the position sleeve 19 that links together with connecting rod 11 rotation on the lateral wall of gearbox 1, prescribes a limit to the position of connecting rod 11 through position sleeve 19, makes connecting rod 11 rotate around position sleeve 19, and the position of position sleeve 19 is fixed to make the inside connecting arc board 9 of connecting piece rotate around connecting rod 11, reduce the scope of connecting arc board 9 activity.

The bottom wall that the top of extension rod 12 runs through location axle 14 extends to the inside of cylinder 4, and the top wall fixed mounting of location axle 14 has limiting plate 15 with the inside sliding connection of cylinder 4 together, improves the area on extension rod 12 top through limiting plate 15, when making outside air entering cylinder 4 inside, extension rod 12 can be more agile control extension rod 12's downward movement to the downward movement of control connecting piece further reduces the condition emergence of shifting delay.

Fixed the practicing grade of top wall of limiting plate 15 has the reset spring 16 that is in the same place with the inside top wall fixed connection of cylinder 4, through the top wall fixed connection at limiting plate 15 connect reset spring 16, and reset spring 16's top is in the same place with the inside top wall fixed connection of cylinder 4, when the solenoid valve no longer adds atmospheric pressure to the inside of cylinder 4 through connecting trachea 5, the inside atmospheric pressure of cylinder 4 diminishes, reset spring 16 can produce elasticity pulling limiting plate 15 rebound this moment, make limiting plate 15 resume to the normal position, the fender position on the part of shifting gears 2 also resumes to the normal position this moment.

Connecting plates 17 are fixedly mounted on the left side wall surface and the right side wall surface of the positioning frame 3, fixing nuts 18 which are connected to the interior of the gearbox 1 in a threaded mode are sleeved on the front side wall surfaces of the two connecting plates 17, and the positions of the positioning frame 3 are limited through the mutual matching of the connecting plates 17 and the fixing nuts 18, so that the positioning frame 3 is fixed on the side wall of the gearbox 1.

In this embodiment, the external electromagnetic valve is electrically connected with the external handle, so that a worker can directly control the electromagnetic valve through the handle, the electromagnetic valve is connected with the cylinder 4 through the connecting air pipe 5, so that air can be added into the cylinder 4 through the electromagnetic valve, after the cylinder 4 is filled with air, the extension rod 12 can extend downwards, the extension rod 12 is fixedly connected with the top wall surface of the extension plate 7 through a connecting piece, so that the extension rod 12 can directly control the extension plate 7 to move up and down, the bottom end of the extension plate 7 is connected with the control end of the gear inside the gear shifting component 2, so as to control the gear inside the gear shifting component 2, and the gear shifting is prevented from being delayed by the direct upward and downward movement of the cylinder 4; the bottom end of the extension rod 12 is movably connected with the connecting arc plate 9 in the connecting piece through the mutual matching of the sleeve plate 13 and the positioning shaft 14, when the extension rod 12 moves up and down along with the instruction of the electromagnetic valve, the connecting arc plate 9 can rotate around the fixed shaft 10 close to the top, the connecting arc plate 9 is pulled upwards or pressed downwards to the fixed shaft 10 close to the top, the fixed shaft 10 drives the extension plate 7 to move up and down, and therefore the gear in the gearbox 1 is controlled; the position of the connecting rod 11 is limited through the positioning sleeve 19, so that the connecting rod 11 can rotate around the positioning sleeve 19, and the position of the positioning sleeve 19 is fixed, so that the connecting arc plate 9 inside the connecting piece rotates around the connecting rod 11, the moving range of the connecting arc plate 9 is reduced, and the sensitivity of gear switching is improved; the area of the top end of the extension rod 12 is increased through the limiting plate 15, so that when external air enters the cylinder 4, the extension rod 12 can more quickly control the extension rod 12 to move downwards, the downward movement of the connecting piece is controlled, and the gear shifting delay is further reduced; by fixedly connecting the reset spring 16 to the top wall surface of the limiting plate 15 and fixedly connecting the top end of the reset spring 16 to the top wall surface inside the cylinder 4, when the electromagnetic valve does not add air pressure to the inside of the cylinder 4 through the connecting air pipe 5 any more, the air pressure inside the cylinder 4 is reduced, at the moment, the reset spring 16 generates elastic force to pull the limiting plate 15 to move upwards, so that the limiting plate 15 is restored to the original position, and the gear on the gear shifting component 2 is also restored to the original position, so that the gear is conveniently restored to the original position; the position of the positioning frame 3 is limited by the mutual matching of the connecting plate 17 and the fixing nut 18, so that the positioning frame 3 is fixed on the side wall of the gearbox 1.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a gearbox gearshift, including gearbox (1), a serial communication port, the input fixed mounting of gearbox (1) has shift unit (2), fixed mounting has locating frame (3) of cover at shift unit (2) top on the lateral wall of gearbox (1), the top wall fixed mounting of locating frame (3) has two cylinders (4), the equal fixed mounting in top wall of two cylinders (4) has connecting trachea (5), the equal fixed mounting in one end of keeping away from cylinder (4) on two connecting trachea (5) has the solenoid valve, the solenoid valve is in the same place with outside handle electric connection, the bottom sliding connection of cylinder (4) has extension rod (12), two position rings (6) have been seted up to the top wall of shift unit (2), the equal sliding connection in inside of two position rings (6) has extension board (7), the bottom of two extension boards (7) links together with shift unit (2) inside fender position control end respectively, the bottom wall fixed mounting of extension rod (12) has the connecting piece, the bottom of connecting piece is in the same place with the top wall fixed connection of extension board (7).

2. The gearbox gear shifting mechanism according to claim 1, wherein the connecting piece comprises two U-shaped sleeve plates (13), the number of the sleeve plates (13) is two, the top wall surfaces of the two sleeve plates (13) are fixedly connected with the bottom wall surfaces of the two extension rods (12) respectively, two groups of positioning clamping plates (8) are arranged at the bottoms of the sleeve plates (13), an arc-shaped connecting arc plate (9) is arranged inside each group of positioning clamping plates (8), two fixed shafts (10) are arranged outside each group of positioning clamping plates (8), the front ends of the two connecting arc plates (9) are arranged inside the two sleeve plates (13) respectively, and positioning shafts (14) penetrating through the front ends of the side walls of the two arc plates (9) are rotatably connected to the inner side walls of the two sleeve plates (13).

3. A gearbox shifting mechanism according to claim 2, wherein each set of detent cleats (8) is formed by two rectangular plates, the two rectangular plates inside each set of detent cleats (8) being located at the left and right ends of the corresponding extension plate (7).

4. A gearbox shifting mechanism according to claim 2, wherein the fixed shaft (10) near the bottom extends through the side walls of the alignment plate (8) and the extension plate (7) to rotationally couple the alignment plate (8) and the extension plate (7), and the fixed shaft (10) near the top extends through the side walls of the alignment plate (8) and the connecting arc plate (9) to rotationally couple the connecting arc plate (9) and the alignment plate (8).

5. The gearbox gear shifting mechanism according to claim 1, wherein a connecting rod (11) is fixedly connected to the rear side wall surfaces of the two connecting arc plates (9) inside the connecting piece, and a positioning sleeve (19) which is rotatably connected with the connecting rod (11) is fixedly arranged on the side wall of the gearbox (1).

6. The gearbox gear shifting mechanism according to claim 1, wherein the top end of the extension rod (12) extends into the cylinder (4) through the bottom wall surface of the positioning shaft (14), and the top wall surface of the positioning shaft (14) is fixedly provided with a limiting plate (15) which is slidably connected with the inside of the cylinder (4).

7. A gearbox shifting mechanism according to claim 6, characterised in that the top wall fixed stage of the retainer plate (15) comprises a return spring (16) fixedly connected with the top wall inside the cylinder (4).

8. The gearbox gear shifting mechanism according to claim 1, wherein connecting plates (17) are fixedly mounted on left and right side wall surfaces of the positioning frame (3), and fixing nuts (18) which are screwed into the gearbox (1) are sleeved on front side wall surfaces of the two connecting plates (17).