CN202345389U

CN202345389U - Gear changing device for car

Info

Publication number: CN202345389U
Application number: CN2011203732338U
Authority: CN
Inventors: 马德昆; 孙玉; 贾会亚; 乔东旭; 杨艳青
Original assignee: Great Wall Motor Co Ltd
Current assignee: Great Wall Motor Co Ltd
Priority date: 2011-09-30
Filing date: 2011-09-30
Publication date: 2012-07-25
Anticipated expiration: 2021-09-30

Abstract

The utility model relates to a gear changing device for a vehicle and in particular relates to a gear changing device for a car. The gear changing device comprises a gear changing bracket (1), and a gear changing rod (2) arranged on the gear changing bracket (1), wherein the gear changing rod (2) is connected and matched with the gear changing bracket (1) through a gear changing support (3), a gear changing bulb (4) and a gear changing bulb (5) are fixedly arranged on the gear changing rod (2), when the gear changing rod (2) generates a gear changing action, the gear changing bulb (5) does not generate displacement relative to the position before the gear changing action is generated; and when the gear changing rod (2) generates the gear changing action, the gear changing bulb (4) does not generate displacement relative to the position before the gear changing action is generated. By adopting the scheme, the gear changing quality can be effectively improved, the gear changing device is simply processed and manufactured, and the gear changing jam phenomenon is prevented.

Description

Car is used selector

Technical field

The utility model relates to a kind of vehicle shift device, specifically relates to a kind of car and uses selector.

Background technology

At present, the vehicle shift quality has become important evaluating index of car load, and each producer is all making great efforts to improve shift quality both at home and abroad; Therefore, on the selector structure, all done many optimizations, increased oil resevoir such as bulb; Metal Ball is first-class, but all adopts bulb formula structure, owing to adopt ball head structure; Its friction drag is big, and the choosing shelves need to increase a shift selection arm as transition mechanism simultaneously, and its efficient is low.With respect to bulb formula structure, gear is more clear simultaneously, and shift quality is better.Say that from machining angle bulb and bulb lining are moulding on the one hand in addition, strict to the roundness tolerance of bulb and bulb lining, otherwise bite can appear in gearshift.

The utility model content

Be to solve the deficiency that exists in the prior art, the utility model provides a kind of car that can actv. improves shift quality use selector, and its processing and manufacturing is simple, the generation of the bite phenomenon that prevented to shift gears.

For realizing above-mentioned purpose; The car selector of the utility model; Comprise the gearshift support, be arranged on the gear level on the gearshift support; Described gear level cooperates with the gearshift support by the gearshift bearing and links to each other; Be fixed with block selecting bulb and gearshift bulb on the gear level; When gear level generation block selecting was moved, the position before the relative block selecting action of described gearshift bulb takes place did not produce displacement; When the gearshift action took place gear level, the position before described block selecting bulb takes place with respect to the gearshift action did not produce displacement.

As the qualification to aforesaid way, described gear level bottom is provided with two block selecting pawls and a gearshift pawl, and the line between these two block selecting pawls overlaps with the block selecting direction, and described block selecting bulb is fixedly installed on the outside of one of them block selecting pawl; The gearshift pawl is arranged on the midperpendicalar of line between two block selecting pawls, and described gearshift bulb is fixedly installed on the gearshift pawl outside.

As further qualification to aforesaid way; Be provided with the criss-cross through hole that is provided with at interval in the described gearshift bearing; Described gearshift bearing through through one of them through hole and be fixed in the block selecting mandrel of gearshift on the support, be arranged on the gearshift support along the block selecting direction is rotating; Described gear level is arranged on the gearshift bearing along the gearshift direction is rotating through being fixed on the gearshift mandrel in another through hole.

Further say the central lines of the axis of described block selecting mandrel and gearshift bulb, the central lines of the axis of described gearshift mandrel and block selecting bulb.

Say that further described gearshift bearing is arranged in the U-shaped frame of a gearshift top of the trellis, described block selecting mandrel is vertically fixed between two sides of U-shaped frame.

As the improvement to aforesaid way, described block selecting mandrel is provided with and makes gear level return back to the torsion spring of neutral gear position.

Adopt technique scheme, when gear level generation block selecting was moved, the position before the relative block selecting action of gearshift bulb takes place did not produce displacement; Promptly guarantee the to shift gears this moment position of bulb is motionless, does not have the gearshift action, and the block selecting bulb applies application force to the block selecting drag-line and realizes block selecting; When the gearshift action takes place in gear level; Position before described block selecting bulb takes place with respect to the gearshift action does not produce displacement, has guaranteed that promptly the position of block selecting bulb is motionless, no block selecting action; Displacement through the gearshift bulb applies application force realization gearshift to the gearshift drag-line; Avoid the friction drag in bulb and the bulb lining fit structure to produce, when improving shift quality, reduced the high request that bulb is made.

Description of drawings

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further to specify:

Fig. 1 is the three-dimensional integral structure scheme drawing of the utility model;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is that the A-A of Fig. 2 is to scheme drawing;

Fig. 4 is the gearshift bearing perspective view of the utility model;

Fig. 5 is the front view of Fig. 4.

Among the figure:

1, gearshift support; 11, U-shaped frame; 2, gear level; 21, block selecting pawl; 22, gearshift pawl; 3, gearshift bearing; 31, block selecting mandrel hole; 32, gearshift mandrel hole; 4, block selecting bulb; 5, gearshift bulb; 6, block selecting mandrel; 7, gearshift mandrel; 8, torsion spring; 81, catch; 82, fixed block.

The specific embodiment

The car of the utility model is used selector, in design, mainly is through the block selecting bulb on the gear level block selecting drag-line to be applied application force, promotes change-speed box block selecting rocking arm by the block selecting drag-line, realizes the block selecting action; Move alternately with block selecting; Through the gearshift bulb on the gear level gearshift drag-line is applied application force; Promote the shift of transmission rocking arm by the gearshift drag-line; Realize the gearshift action, its Alternation Display structurally is: when the block selecting action took place, the position before the relative block selecting action of gearshift bulb takes place did not produce displacement; When the gearshift action took place gear level, the position before the block selecting bulb takes place with respect to the gearshift action did not produce displacement.

Know by Fig. 1-shown in Figure 3; Car in the present embodiment is used selector; Comprise gearshift support 1, be arranged on the gear level 2 on the gearshift support 1, gear level 2 cooperates with gearshift support 1 through gearshift bearing 3 and links to each other, and is fixed with block selecting bulb 4 and gearshift bulb 5 on the gear level 2.

Wherein, the top of gearshift support 1 is provided with the U-shaped frame.Gear level 2 bottoms are provided with two block selecting pawls 21 and a gearshift pawl 22, and the line between these two block selecting pawls 21 overlaps with the block selecting direction, and block selecting bulb 4 is fixedly installed on the outside of one of them block selecting pawl 21; Gearshift pawl 22 is arranged on the midperpendicalar of line between two block selecting pawls 21, and gearshift bulb 5 is fixedly installed on gearshift pawl 22 outsides.

Can find out in conjunction with Fig. 4, Fig. 5; Be provided with block selecting mandrel hole 31 and gearshift mandrel hole 32 in the gearshift bearing 3, gearshift mandrel hole 32 is positioned at the top in block selecting mandrel hole 32, and the two right-angled crossing is provided with; But the two no point of crossing, promptly the two macro manifestations spatially is the right-angled crossing hole.Can clearly find out by Fig. 3; In the block selecting mandrel hole 31 of gearshift bearing 3, penetrate a block selecting mandrel 6 that can in block selecting mandrel hole 31, rotate; Two sides of the two ends of block selecting mandrel 6 and U-shaped frame are connected, and the central lines of the axis of block selecting mandrel 6 and gearshift bulb 5 is when so promptly having formed the bearing 3 of shifting gears and on the U-shaped frame, locate; Can serve as that axle rotates also with block selecting mandrel 6; Certainly, in order to ensure the realization of this rotation, the bottom surface of gearshift bearing 3 should and the inner volume of U-shaped frame bottom between leave certain spacing; In gearshift mandrel hole 32, penetrate a gearshift mandrel 7 that can in gearshift mandrel hole 32, rotate; The two ends of gearshift mandrel 7 and two block selecting pawls 21 of gear level 2 are connected; The axis of gearshift mandrel 7 and the central lines of block selecting bulb 4; So promptly having formed gear level 2 on gearshift bearing 3 in the location, can be axle with gearshift mandrel 7 also, together with shifting gears mandrel 7, and bearing 3 rotates relative to shifting gears.

Stretch out at block selecting mandrel 6 between the side of an end, gearshift bearing 3 and U-shaped support of gearshift bearing 3, be provided with one be sleeved on the block selecting mandrel 6, with the fixed block 82 that the bearing 3 of shifting gears is connected, can find out by Fig. 4, Fig. 5; The gabarit of this fixed block 82 is a circle; Be set with torsion spring 8 on it, on the outer wall of gearshift bearing 3, also be fixed with catch 81, one of them of torsion spring 8 turns round arm and catch 81 is connected; Another turns round arm and the U-shaped plate is connected; Having realized that torsion spring 8 links to each other with cooperation between the gearshift bearing 3, added this structure, mainly is in 3 generations of gearshift bearing during with respect to the change in location of neutral; Torsion spring 8 provides a limiting force for gearshift bearing 3 or returns back to the restoring force of neutral, and this power is being block selecting sense power or gearshift sense power to the performance in operator's block selecting or the shift process.

In use, the operator operates gear level 2 and carries out the block selecting action, and it is axle with block selecting mandrel 6 that gear level 2 drives gearshift bearing 3; Rotate relative to gearshift support 1, block selecting bulb 4 relative neutral gear positions produce displacement, because this displacement; Make with block selecting bulb 4 bonded assembly block selecting drag-lines and promote change-speed box block selecting rocking arm, realize the block selecting action, in this block selecting course of action; Because the central lines of the axis of block selecting mandrel 6 and gearshift bulb 5; So gearshift bulb 5 is that axis carries out rotation with the line of centers of self only, and is not subjected to displacement, the position of the bulb 5 of just shifting gears does not change; Gear shift operation is carried out in block selecting bulb 4 positions based on after this block selecting action completion, and the operator operates gear level 2, and gear level 2 drives gearshift mandrels 7 and in block selecting bearing 3, rotates; Gearshift bearing 3 does not produce any displacement in this rotation process, and gear level 2 drives gearshift bulb 5 and produces displacement, because this displacement; Bulb 5 bonded assemblys gearshift drag-line promotion shift of transmission rocking arm realization gearshift action makes and shifts gears; In this course of action, because the axis of gearshift mandrel 7 and the central lines of block selecting bulb 4, so block selecting bulb 4 is that axis carries out rotation with the line of centers of self only; But do not produce displacement, just the position of block selecting bulb 5 does not change.

Claims

1. a car is used selector; Comprise gearshift support (1), be arranged on the gear level (2) on the gearshift support (1); It is characterized in that: described gear level (2) cooperates with gearshift support (1) through gearshift bearing (3) and links to each other; Be fixed with block selecting bulb (4) and gearshift bulb (5) on the gear level (2), when the block selecting action took place gear level (2), the position before the relative block selecting action of described gearshift bulb (5) takes place did not produce displacement; When the gearshift action took place gear level (2), the position before described block selecting bulb (4) takes place with respect to the gearshift action did not produce displacement.

2. car according to claim 1 is used selector; It is characterized in that: described gear level (2) bottom is provided with two block selecting pawls (21) and a gearshift pawl (22); Line between these two block selecting pawls (21) overlaps with the block selecting direction, and described block selecting bulb (4) is fixedly installed on the outside of one of them block selecting pawl (21); Gearshift pawl (22) is arranged on the midperpendicalar of line between two block selecting pawls (21), and described gearshift bulb (5) is fixedly installed on gearshift pawl (22) outside.

3. car according to claim 2 is used selector; It is characterized in that: be provided with the criss-cross through hole that is provided with at interval in the described gearshift bearing (3); Described gearshift bearing (3) through through one of them through hole and be fixed in the block selecting mandrel (6) in gearshift support (1), be arranged on the gearshift support (1) along the block selecting direction is rotating; Described gear level (2) is arranged on the gearshift bearing (3) along the gearshift direction is rotating through being fixed on the gearshift mandrel (7) in another through hole.

4. car according to claim 3 is used selector, it is characterized in that: the central lines of the axis of described block selecting mandrel (6) and gearshift bulb (5), the central lines of the axis of described gearshift mandrel (7) and block selecting bulb (4).

5. car according to claim 4 is used selector; It is characterized in that: described gearshift bearing (3) is arranged in the U-shaped frame (11) at gearshift support (1) top, and described block selecting mandrel (6) is vertically fixed between two sides of U-shaped frame (11).

6. car according to claim 5 is used selector, it is characterized in that: described block selecting mandrel (6) is provided with and makes gear level (2) return back to the torsion spring (8) of neutral gear position.