CN218523022U

CN218523022U - Push type selector

Info

Publication number: CN218523022U
Application number: CN202222609471.5U
Authority: CN
Inventors: 马加利; 卢乃增; 丛炳强
Original assignee: Shandong Yikong Automotive Technology Co ltd
Current assignee: Shandong Yikong Automotive Technology Co ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2023-02-24
Anticipated expiration: 2032-09-30

Abstract

A push type gear shifter belongs to the technical field of vehicle gear shifters. The gear shifting device comprises a gear shifting base (1), an operating lever (2), a first gear shifting rocker arm (3), a second gear shifting rocker arm (4) and an elastic assembly, wherein the first gear shifting rocker arm (3) and the second gear shifting rocker arm (4) are both rotatably arranged on the gear shifting base (1), one end of the operating lever (2) is rotatably connected with the gear shifting base (1), and the elastic assembly axially supports the operating lever (2); the first gear shifting rocker arm (3) is provided with a first gear shifting portion, the second gear shifting rocker arm (4) is provided with a second gear shifting portion, the operating lever is normally combined with the first gear shifting rocker arm, separated from the first gear shifting rocker arm after being pressed and combined with the second gear shifting rocker arm, the change of more gears is realized by the up-down back-and-forth movement combination of the operating lever, the gear shifter only needs to push the operating lever to move back and forth, the space occupied by the gear shifter is reduced, the cab of agricultural machinery has enough moving space, and the cost is reduced.

Description

Push type selector

Technical Field

A push type gear shifter belongs to the technical field of vehicle gear shifters.

Background

The agricultural machine needs to change the walking speed when working, and the control handball needs to drive the variable speed control system to work through the transmission of spatial displacement and force, so that the gear of the agricultural machine gearbox is changed to achieve the purpose of changing the walking speed.

Although a push type gear shifter such as a gear shifting assembly with publication number CN208089929U is used in a car or a passenger car at present, the reverse gear is only engaged in a pressing manner, only the wrong gear position is selected in order to avoid mistaken engagement of the reverse gear, no more gear changes are realized, and the optimization effect on space is very limited.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: the defects in the prior art are overcome, and the push type gear shifter is provided, wherein the front-back and left-right movement combination of the control lever is changed into the up-down and front-back combination, so that the space occupied by the gear shifter is reduced, the agricultural machine cab has larger space, and the cost is reduced.

The utility model provides a technical scheme that its technical problem adopted is: this push type selector, its characterized in that: the gear shifting device comprises a gear shifting base, an operating lever, a first gear shifting rocker arm, a second gear shifting rocker arm and an elastic assembly, wherein the first gear shifting rocker arm and the second gear shifting rocker arm are both rotatably arranged on the gear shifting base; the first gear shifting rocker arm is provided with a first gear shifting portion, the second gear shifting rocker arm is provided with a second gear shifting portion, the operating lever is provided with a gear shifting control portion, and the gear shifting control portion is respectively embedded with the first gear shifting portion and the second gear shifting portion along with axial movement of the operating lever.

Preferably, be equipped with the first arc of shifting on the rocking arm of first shifting, be equipped with the second arc of shifting on the rocking arm of second shifting, seted up the first groove of stepping down on the first arc of shifting, seted up the second groove of stepping down on the second arc of shifting, first groove of stepping down and the coincidence of second groove at least part, the control rod passes first groove of stepping down and the second groove of stepping down in proper order, first portion of shifting sets up on the first arc of shifting, the second portion of shifting sets up on the second arc of shifting.

The first abdicating groove and the second abdicating groove are at least partially overlapped, so that the first gear shifting arc plate and the second gear shifting arc plate are also overlapped, the first gear shifting arc plate and the second gear shifting arc plate not only serve as action parts for driving the first gear shifting arc plate and the second gear shifting arc plate to move, but also serve as mutual limiting parts, when the gear shifting control part is combined with the first gear shifting part on the first gear shifting arc plate, after the control rod pushes the first gear shifting arc plate to move, the gear shifting control part cannot be combined with the second gear shifting part on the second gear shifting arc plate, and vice versa.

Preferably, the first gear shifting portion comprises two first gear shifting grooves, the two first gear shifting grooves are respectively arranged on two sides of the first yielding groove, the second gear shifting portion comprises two second gear shifting grooves, the two second gear shifting grooves are respectively arranged on two sides of the second yielding groove, and the gear shifting control portion comprises two gear shifting pins arranged on two sides of the operating rod.

Preferably, a first neutral gear positioning mechanism is arranged between the gear shifting base and the first gear shifting rocker arm, and a second neutral gear positioning mechanism is arranged between the gear shifting base and the second gear shifting rocker arm.

Preferably, the first neutral gear positioning mechanism comprises a first positioning bolt, a positioning ball head is arranged at the end of the first positioning bolt, a positioning hole corresponding to the positioning ball head is formed in the first gear shifting rocker arm, the first positioning bolt is in threaded connection with the gear shifting base, and a first locking nut is further connected to the first positioning bolt.

Preferably, the second neutral gear positioning mechanism comprises a second positioning bolt, a positioning ball head is arranged at the end of the second positioning bolt, a positioning hole corresponding to the positioning ball head is formed in the second gear shifting rocker arm, the second positioning bolt is in threaded connection with the gear shifting base, and a second locking nut is further connected to the second positioning bolt.

Preferably, the elastic component comprises a compression spring, a rotating shaft is arranged on the gear shifting base, the lower end of the operating rod penetrates through the rotating shaft, the lower end of the compression spring is relatively fixed with the rotating shaft, and the upper end of the compression spring is relatively fixed with the operating rod.

Preferably, the lower end of the operating lever is connected to the middle of the rotating shaft, and the first gear shifting rocker arm and the second gear shifting rocker arm are respectively rotatably arranged on the rotating shafts on two sides of the operating lever.

Preferably, the diameter of the middle of the rotating shaft is larger than the diameters of the two ends of the rotating shaft, a shaft shoulder is formed in the middle of the rotating shaft, shaft sleeves are respectively arranged on the two sides of the gear shifting base, the two ends of the rotating shaft are respectively and rotatably arranged in the sub-shaft sleeves, and the first gear shifting rocker arm and the second gear shifting rocker arm are respectively and rotatably arranged between the shaft shoulder and one shaft sleeve.

Preferably, the gear shifting base comprises a bottom plate, a top plate and two vertical plates, the upper ends of the two vertical plates are fixedly connected with the top plate, the lower ends of the two vertical plates are fixedly connected with the bottom plate, the first gear shifting rocker arm and the second gear shifting rocker arm are arranged between the two vertical plates, a gear stroke groove is formed in the top plate, and the lower portion of the operating rod penetrates through the gear stroke groove.

Preferably, one side of the first gear shifting rocker arm is provided with a first swing arm, one side of the second gear shifting rocker arm is provided with a second swing arm, the first swing arm is provided with a first transverse pin, and the second swing arm is provided with a second transverse pin.

Compared with the prior art, the technical scheme of the push type gear shifter has the beneficial effects that:

the utility model discloses a normally combine with the first rocking arm of shifting, press later with the first rocking arm separation of shifting to combine with the second rocking arm of shifting, utilize the change that the upper and lower seesaw combination of control rod realized more gears, this selector only needs to promote the control rod seesaw, reduces the shared space of selector, makes the agricultural machine driver's cabin have sufficient activity space, reduce cost.

Drawings

Fig. 1 is a perspective view of the push type shifter.

Fig. 2 is a right side view of the push type shifter.

Fig. 3 isbase:Sub>A cross-sectional view taken atbase:Sub>A-base:Sub>A in fig. 2.

Fig. 4 is a cross-sectional view at B-B in fig. 2.

Fig. 5 is an exploded view of the push shifter.

Fig. 6 is a schematic diagram of the operating lever swinging the first shifting rocker arm.

Fig. 7 is a schematic diagram of the operating lever swinging the second shifting rocker arm.

Wherein: 1. the gear shifting device comprises a gear shifting base 2, an operating rod 3, a first gear shifting rocker arm 4, a second gear shifting rocker arm 5, a rotating shaft 6, a first positioning bolt 7, a first lock nut 8, a second positioning bolt 9, a second lock nut 10, a compression spring 11, a positioning hole 101, a bottom plate 102, a vertical plate 103, a top plate 104, a gear stroke groove 105, a shaft sleeve 201, a gear shifting pin 201 301, a first gear shifting arc-shaped plate 302, a first avoiding groove 303, a first gear shifting groove 304, a first swing arm 305, a first transverse pin 401, a second gear shifting arc-shaped plate 402, a second avoiding groove 403, a second gear shifting groove 404, a second swing arm 405, a second transverse pin 501 and a shaft shoulder.

Detailed Description

Fig. 1 to 7 show preferred embodiments of the push type shifter, and the present invention will be further described with reference to fig. 1 to 7.

Referring to fig. 1, the push type gear shifter comprises a shift base 1, an operating lever 2, a first shift rocker arm 3, a second shift rocker arm 4 and an elastic assembly, wherein the first shift rocker arm 3 and the second shift rocker arm 4 are both rotatably arranged on the shift base 1, one end of the operating lever 2 is rotatably connected with the shift base 1, the elastic assembly is arranged between the operating lever 2 and the shift base 1, and the elastic assembly axially supports the operating lever 2; the first gear shifting rocker arm 3 is provided with a first gear shifting portion, the second gear shifting rocker arm 4 is provided with a second gear shifting portion, the operating rod 2 is provided with a gear shifting control portion, and the gear shifting control portion moves along the axial direction of the operating rod 2 and is respectively embedded with the first gear shifting portion and the second gear shifting portion.

The gear shifting base 1 comprises a bottom plate 101, a top plate 103 and two vertical plates 102, a plurality of fixing holes are formed in the bottom plate 101, the lower ends of the two vertical plates 102 are fixedly connected with the bottom plate 101, the upper ends of the two vertical plates 102 are fixedly connected with the top plate 103, the first gear shifting rocker arm 3 and the second gear shifting rocker arm 4 are arranged between the two vertical plates 102, a gear stroke groove 104 is formed in the top plate 103, the lower portion of the operating rod 2 penetrates through the gear stroke groove 104, and the operating rod 2 moves back and forth in the gear stroke groove 104 to achieve gear shifting.

A rotating shaft 5 is arranged between the two vertical plates 102, the first gear shifting rocker arm 3 and the second gear shifting rocker arm 4 are rotatably arranged on the rotating shaft 5, shaft sleeves 105 are arranged on the two vertical plates 102, and two ends of the rotating shaft 5 are connected with the shaft sleeves 105. The lower end of the operating lever 2 is connected to the middle of the rotating shaft 5, and the first shifting rocker arm 3 and the second shifting rocker arm 4 are respectively and rotatably arranged on the rotating shaft 5 on two sides of the operating lever 2.

Referring to fig. 2 to 3, a first neutral position locating mechanism is arranged between the gear shifting base 1 and the first gear shifting rocker arm 3, a second neutral position locating mechanism is arranged between the gear shifting base 1 and the second gear shifting rocker arm 4, the first gear shifting rocker arm 3 and the second gear shifting rocker arm 4 are respectively located by the first neutral position locating mechanism and the second neutral position locating mechanism, a feedback is given when the first gear shifting rocker arm 3 and the second gear shifting rocker arm 4 return to a neutral position, and a driver confirms that the current gear is a neutral position according to the feedback, and avoids the operating lever from entering other gears besides the neutral position.

Specifically, first neutral gear positioning mechanism includes first positioning bolt 6, the tip of first positioning bolt 6 is equipped with the location bulb, be equipped with on the first rocking arm of shifting 3 with the corresponding locating hole 11 of location bulb, first positioning bolt 6 and the riser 102 threaded connection of base 1 of shifting, still be connected with first lock nut 7 on the first positioning bolt 6, utilize first lock nut 7 fixed first positioning bolt 6 after adjusting first positioning bolt 6 to suitable position, when first rocking arm of shifting 3 returns the neutral gear, first rocking arm of shifting 3 takes place very little deformation with riser 102, the locating bulb gets into in the locating hole 11 of first rocking arm of shifting 3, and behind the gear is switched in the gearbox to the 3 flexible axle realization of first rocking arm of shifting, fix a position by the gearbox, avoid first rocking arm of shifting 3 not hard up.

The second neutral gear positioning mechanism comprises a second positioning bolt 8, a positioning ball head is arranged at the end of the second positioning bolt 8, a positioning hole 11 corresponding to the positioning ball head is formed in the second gear shifting rocker arm 4, the second positioning bolt 8 is in threaded connection with the vertical plate 102, and a second locking nut 9 is further connected onto the second positioning bolt 8. Like the first positioning bolt 6, the second positioning bolt 8 is adjusted to a proper position and then the second positioning bolt 8 is fixed by the second lock nut 9.

The lower end of the operating rod 2 penetrates through a hole in the middle of the rotating shaft 5 and then is connected with a nut, a compression spring 10 is sleeved on the operating rod 2 on the upper side of the rotating shaft 5, the lower end of the compression spring 10 is relatively fixed with the rotating shaft 5, the operating rod 2 is thick at the upper part and thin at the lower part to form a step, the upper end of the compression spring 10 is relatively fixed with the step, and the compression spring 10 provides axial support for the operating rod 2.

Referring to fig. 4, the diameter of the middle portion of the rotating shaft 5 is larger than the diameters of the two ends, a shoulder 501 is formed in the middle portion of the rotating shaft 5, and the two ends of the rotating shaft 5 are connected with the shaft sleeves 105, so that a positioning groove is formed between the shaft sleeves 105 and the shoulder 501, and the first shifting rocker arm 3 and the second shifting rocker arm 4 are rotatably disposed between the shoulder 501 and one of the shaft sleeves 105, so that the axial positions of the first shifting rocker arm 3 and the second shifting rocker arm 4 can be ensured to be fixed.

Referring to fig. 5, a first shifting arc 301 is arranged on one side of the upper portion of the first shifting rocker arm 3, a second shifting arc 401 is arranged on one side of the upper portion of the second shifting rocker arm 4, a first abdicating groove 302 is formed in the first shifting arc 301, a second abdicating groove 402 is formed in the second shifting arc 401, at least part of the first abdicating groove 302 and the second abdicating groove 402 are overlapped, the operating rod 2 sequentially penetrates through the first abdicating groove 302 and the second abdicating groove 402, the first shifting portion is arranged on the first shifting arc 301, and the second shifting portion is arranged on the second shifting arc 401.

The first gear shifting portion on the first gear shifting rocker arm 3 comprises two first gear shifting grooves 303, the two first gear shifting grooves 303 are respectively arranged on two sides of the first avoiding groove 302, the second gear shifting portion on the second gear shifting rocker arm 4 comprises two second gear shifting grooves 403, the two second gear shifting grooves 403 are respectively arranged on two sides of the second avoiding groove 402, and the gear shifting control portion on the operating lever 2 comprises two gear shifting pins 201 symmetrically arranged on two sides of the operating lever 2. The shift pins 201 are located in the two first shift grooves 303 of the first shift arc 301, and when the operating lever 2 is pushed downward against the resistance of the compression spring 10, the two shift pins 201 enter the two second shift grooves 403 of the second shift arc 401.

In this embodiment, the first shifting arc 301 of the first shifting rocker arm 3 and the second shifting arc 401 of the second shifting rocker arm 4 coincide with each other, so that the first shifting arc 301 and the second shifting arc 401 not only serve as shifting action components, but also serve as mutual limiting components, when the shifting pin 201 is located in the first shifting groove 303, the operating lever 2 pushes the first shifting rocker arm 3 to swing and shift, the second shifting arc 401 is shielded at the lower side of the first shifting groove 303, and at this time, the operating lever 2 cannot be pressed down, and therefore the reverse gear cannot be engaged. When the operating lever is pressed at the neutral position to make the shift pin 201 fall into the second shift groove 403 and push the second shift rocker arm 4 to swing for shifting, the first shift arc 301 is shielded at the upper side of the second shift groove 403, and the compression spring 10 cannot push the operating lever 2 upwards.

A first swing arm 304 is arranged on one side of the first gear shifting rocker arm 3, a second swing arm 404 is arranged on one side of the second gear shifting rocker arm 4, a first transverse pin 305 is arranged on the first swing arm 304, and a second transverse pin 405 is arranged on the second swing arm 404. The first transverse pin 305 and the second transverse pin 405 are used for connecting the flexible shaft.

Referring to fig. 6, in the neutral position, the shift pin 201 is located in the first shift groove 303, the operating lever 2 is directly pushed forward and backward, the operating lever 2 drives the first shift rocker arm 3 to swing, the first cross pin 305 moves up and down to drive the flexible shaft portion of the transmission operating system to move to generate a gear change, and at this time, the shift pin 201 is not combined with the second shift groove 403, so the second shift rocker arm 4 does not move.

Referring to fig. 7, after the operating lever 2 returns to the neutral position, the operating lever 2 is pressed to make the shift pin 201 fall into the second shift groove 403, the operating lever 2 is pushed forward and backward to drive the second shift rocker arm 4 to swing, the second transverse pin 405 moves up and down to drive the flexible shaft portion of the transmission operating system to move to generate a shift change, and at this time, the shift pin 201 is not combined with the first shift groove 303, so the first shift rocker arm 3 does not act.

The utility model discloses utilize control rod 2 upper and lower front and back movement group to realize more gear transform, compact structure, the space of needs is little, can put in any position of driver's cabin, improves driver's cabin space utilization, reduces manufacturing cost.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a push type selector which characterized in that: the gear shifting device comprises a gear shifting base (1), an operating lever (2), a first gear shifting rocker arm (3), a second gear shifting rocker arm (4) and an elastic assembly, wherein the first gear shifting rocker arm (3) and the second gear shifting rocker arm (4) are both rotatably arranged on the gear shifting base (1), one end of the operating lever (2) is rotatably connected with the gear shifting base (1), the elastic assembly is arranged between the operating lever (2) and the gear shifting base (1), and the elastic assembly axially supports the operating lever (2); be equipped with first portion of shifting on first rocking arm (3), be equipped with the second portion of shifting on second rocking arm (4), be equipped with the control part of shifting on control rod (2), the control part of shifting is along with control rod (2) axial displacement respectively with first portion of shifting, the gomphosis of second portion of shifting.

2. The push type shifter of claim 1, wherein: be equipped with first arc (301) of shifting on first rocking arm (3) of shifting, be equipped with second arc (401) of shifting on second rocking arm (4) of shifting, first groove (302) of stepping down has been seted up on first arc (301) of shifting, second groove (402) of stepping down has been seted up on second arc (401) of shifting, first groove (302) of stepping down and second groove (402) of stepping down at least part coincidence, control rod (2) pass first groove (302) of stepping down and second groove (402) of stepping down in proper order, first portion of shifting sets up on first arc (301) of shifting, the second portion of shifting sets up on second arc (401) of shifting.

3. The push type shifter of claim 2 wherein: the first gear shifting portion comprises two first gear shifting grooves (303), the two first gear shifting grooves (303) are respectively arranged on two sides of the first yielding groove (302), the second gear shifting portion comprises two second gear shifting grooves (403), the two second gear shifting grooves (403) are respectively arranged on two sides of the second yielding groove (402), and the gear shifting control portion comprises two gear shifting pins (201) arranged on two sides of the operating rod (2).

4. The push type shifter of claim 1, wherein: a first neutral gear positioning mechanism is arranged between the gear shifting base (1) and the first gear shifting rocker arm (3), and a second neutral gear positioning mechanism is arranged between the gear shifting base (1) and the second gear shifting rocker arm (4).

5. The push type shifter of claim 4, wherein: the first neutral gear positioning mechanism comprises a first positioning bolt (6), a positioning ball head is arranged at the end part of the first positioning bolt (6), a positioning hole (11) corresponding to the positioning ball head is arranged on the first gear shifting rocker arm (3), the first positioning bolt (6) is in threaded connection with the gear shifting base (1), and a first locking nut (7) is further connected onto the first positioning bolt (6);

the second neutral gear positioning mechanism comprises a second positioning bolt (8), a positioning ball head is arranged at the end part of the second positioning bolt (8), a positioning hole (11) corresponding to the positioning ball head is formed in the second gear shifting rocker arm (4), the second positioning bolt (8) is in threaded connection with the gear shifting base (1), and a second locking nut (9) is further connected to the second positioning bolt (8).

6. The push type shifter of claim 1, wherein: the elastic component comprises a compression spring (10), a rotating shaft (5) is arranged on the gear shifting base (1), the lower end of the operating rod (2) penetrates through the rotating shaft (5), the lower end of the compression spring (10) is relatively fixed with the rotating shaft (5), and the upper end of the compression spring (10) is relatively fixed with the operating rod (2).

7. The push type shifter of claim 6 wherein: the lower end of the operating lever (2) is connected to the middle of the rotating shaft (5), and the first gear shifting rocker arm (3) and the second gear shifting rocker arm (4) are respectively arranged on the rotating shafts (5) on two sides of the operating lever (2) in a rotating mode.

8. The push type shifter of claim 7, wherein: the diameter of the middle part of the rotating shaft (5) is larger than the diameters of the two ends, a shaft shoulder (501) is formed in the middle of the rotating shaft (5), shaft sleeves (105) are respectively arranged on two sides of the gear shifting base (1), the two ends of the rotating shaft (5) are respectively rotatably arranged in the sub shaft sleeves (105), and the first gear shifting rocker arm (3) and the second gear shifting rocker arm (4) are respectively rotatably arranged between the shaft shoulder (501) and one shaft sleeve (105).

9. The push type shifter of claim 1 wherein: the gear shifting base (1) comprises a bottom plate (101), a top plate (103) and two vertical plates (102), the upper ends of the two vertical plates (102) are fixedly connected with the top plate (103), the lower ends of the two vertical plates are fixedly connected with the bottom plate (101), a first gear shifting rocker arm (3) and a second gear shifting rocker arm (4) are arranged between the two vertical plates (102), a gear stroke groove (104) is formed in the top plate (103), and the lower portion of a control lever (2) penetrates through the gear stroke groove (104).

10. The push type shifter of claim 1 wherein: one side of the first gear shifting rocker arm (3) is provided with a first swing arm (304), one side of the second gear shifting rocker arm (4) is provided with a second swing arm (404), the first swing arm (304) is provided with a first transverse pin (305), and the second swing arm (404) is provided with a second transverse pin (405).