CN203868301U

CN203868301U - Gearshift

Info

Publication number: CN203868301U
Application number: CN201420201427.3U
Authority: CN
Inventors: 钱高法
Original assignee: NINGBO GAOFA AUTOMOBILE CONTROL SYSTEM CO Ltd
Current assignee: NINGBO GAOFA AUTOMOBILE CONTROL SYSTEM CO Ltd
Priority date: 2014-04-23
Filing date: 2014-04-23
Publication date: 2014-10-08
Anticipated expiration: 2024-04-23

Abstract

The utility model provides a gearshift and belongs to the technical field of automobile parts. The gearshift comprises a spindle base, a rod base, a gearshift arm and a base. The two ends of the base extend outwards to form a first fixing foot and a second fixing foot, the first fixing foot is fixedly connected with the spindle base, the two ends of the rod base are bent and extend towards to form a gear selecting arm and a connecting arm, the gear selecting arm and the connecting arm are parallel to each other and are arranged on the two sides of the base respectively, a connecting shaft is arranged on the base in a penetrating mode, one end of the connecting shaft is fixedly arranged on the gear selecting arm, the other end of the connecting shaft penetrates through the connecting arm and is fixedly arranged on the gearshift arm, the connecting shaft is provided with two knuckle bearings which are installed on the base and the gearshift arm respectively, the connecting shaft parallel to a transmission shaft is connected between the base and the gearshift arm, the connecting shaft is located between the transmission shaft and the second fixing foot, the connecting shaft is sleeved with a shaft sleeve, and the two ends of the shaft sleeve abut against the base and the side wall of the gearshift arm respectively. The gearshift has the advantages of being easy to assemble and high in safety.

Description

A kind of gearshift

Technical field

The utility model belongs to technical field of automobile parts, relates to a kind of gearshift.

Background technique

In automobile industry now, mainly by the gearshift on operation automobile, to realize the rotation speed change of motor car engine, and it is social now, vehicle on road is more and more, the emergency case occurring on road also can get more and more, and therefore for the speed changing function of automobile, has higher requirement.

Current gearshift is the function that realizes speed change, gearshift complex structure, and required Component are many, so installation time is long and efficiency of assembling is low, has increased cost of production.

And, one of gearshift mechanism that access times are maximum in the process of moving, so the intensity of gearshift has higher requirement, and current gearshift is due to its complicated structure, cause the join strength of its Component greatly to reduce, therefore on driving safety, have certain hidden danger.

In sum, need to design a kind of simple, safe gearshift that assembles.

Summary of the invention

The purpose of this utility model is to have the problems referred to above for existing technology, has proposed a kind of simple, safe gearshift that assembles.

The purpose of this utility model can realize by following technical proposal: a kind of gearshift, comprise mandrel seat, pole socket, gear arm and base, base two ends stretch out respectively and form the first fastening foot and the second fastening foot and the first fastening foot and mandrel seat and be connected, pole socket two ends respectively outward have extended to form block selecting arm and link arm, described block selecting arm and link arm be arranged in parallel and minute be listed in base both sides, it is characterized in that, on base, be equipped with coupling shaft and described coupling shaft one end is installed in block selecting arm, the other end passes link arm and is fixedly arranged on gear arm, on coupling shaft, be provided with two joint shaft bearings and two described joint shaft bearings are installed on respectively on base and gear arm, between described base and gear arm, be also connected with the coupling shaft be arrangeding in parallel with transmission shaft, and described coupling shaft is between transmission shaft and the second fastening foot, on coupling shaft, be arranged with axle sleeve and axle sleeve two ends are resisted against respectively on the sidewall of base and gear arm.

In above-mentioned a kind of gearshift, described gear arm is " L " type and is comprised of vertically disposed assembly department and joint, an above-mentioned wherein joint shaft bearing is installed on joint, in the joint of assembly department and joint, offer a positioning hole, above-mentioned coupling shaft one end is fixedly arranged in positioning hole, and the other end riveted joint is fixed on base.

In above-mentioned a kind of gearshift, on assembly department and block selecting arm, all offer the core axle hole that concentric arranges.

In above-mentioned a kind of gearshift, a side at mandrel seat away from the first fastening foot has and the vertically disposed support of mandrel seat edge, described support along on offer two spaced draw-in grooves, support along on be fixed with fixture block and described fixture block lid is located at two draw-in groove openings.

In above-mentioned a kind of gearshift, between base and the first fastening foot and the second fastening foot, be equipped with some stiffening plates.

In above-mentioned a kind of gearshift, on pole socket, there is bar cover and at bar, put the mounting hole that offers axial bar cover.

In above-mentioned a kind of gearshift, between bar cover and block selecting arm and link arm, be equipped with at least one stiffening rib.

Compared with prior art, the utlity model has following beneficial effect:

1, transmission shaft adopts riveting to be connected in base, guarantees the join strength of base and gear arm, has simplified assembling;

2, on transmission shaft, cover has axle sleeve, can reduce the material of transmission shaft, and the stress dispersion producing in shift process, to axle sleeve, has been increased to Security.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model one preferred embodiment.

Fig. 2 is the structural representation of base in the utility model one preferred embodiment.

Fig. 3 is the structural representation of pole socket in the utility model one preferred embodiment.

Fig. 4 is structural representation local in the utility model one preferred embodiment.

In figure, 10, mandrel seat; 11, support edge; 12, draw-in groove; 13, fixture block; 20, pole socket; 21, block selecting arm; 211, core axle hole; 22, link arm; 23, bar cover; 231, mounting hole; 232, stiffening rib; 30, gear arm; 31, assembly department; 32, joint; 33, positioning hole; 40, base; 41, the first fastening foot; 42, the second fastening foot; 43, transmission shaft; 431, joint shaft bearing; 44, stiffening plate; 50, coupling shaft; 51, axle sleeve.

Embodiment

Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.

As shown in Figures 1 to 4, this gearshift comprises mandrel seat 10, pole socket 20, gear arm 30 and base 40, base 40 two ends stretch out respectively and form the first fastening foot 41 and the second fastening foot 42 and the first fastening foot 41 and be connected with mandrel seat 10, for the frequent use of automobile gearshift mechanism, cause gearshift skew, cause gearshift obstacle, and the first fastening foot 41 and the second fastening foot 42 are more firmly arranged in car by gearshift, improved the Security of gearshift, pole socket 20 two ends respectively outward have extended to form block selecting arm 21 and link arm 22, block selecting arm 21 and link arm 22 be arranged in parallel and divide and be listed in base 40 both sides, on base 40, be equipped with coupling shaft 50 and described coupling shaft 50 one end are installed in block selecting arm 21, the other end passes link arm 22 and is fixedly arranged on gear arm 30, on coupling shaft 50, being provided with two joint shaft bearings 431 and two joint shaft bearings 431 is installed on respectively on base 40 and gear arm 30, between base 40 and gear arm 30, be also connected with the coupling shaft 50 be arrangeding in parallel with transmission shaft 43, and coupling shaft 50 is between transmission shaft 43 and the second fastening foot 42, on coupling shaft 50, being arranged with axle sleeve 51 and axle sleeve 51 two ends is resisted against respectively on the sidewall of base 40 and gear arm 30, without adding again any Component, strengthened the intensity of gearshift, saved most installation time simultaneously, can successfully complete the process of block selecting and gearshift, in shift process, between gear arm 30 and block selecting arm 21, can produce larger stress, need enough thick coupling shaft 50 dispersive stresses, set up axle sleeve 51, can reduce the material of coupling shaft 50, by unnecessary stress dispersion to axle sleeve 51, mandrel seat 10, base 40, pole socket 20 and gear arm 30 forge and form, increased the intensity of whole gearshift.

Preferably, gear arm 30 is " L " type and is comprised of vertically disposed assembly department 31 and joint 32, wherein a joint shaft bearing 431 is installed on joint 32, in assembly department 31 and the joint of joint 32, offer a positioning hole 33, above-mentioned coupling shaft 50 one end are fixedly arranged in positioning hole 33, the other end riveted joint is fixed on base 40, guarantees the join strength of base 40 and gear arm 30, has simplified assembling.

Preferably, all offer the core axle hole 211 that concentric arranges on assembly department 31 and block selecting arm 21, core axle hole 211 is respectively connected with a mandrel, shortened like this length of block selecting arm 21 and gear arm 30, playing under same chronotropic action, reduced raw materials, reduced assembling difficulty.

Preferably, a side at mandrel seat 10 away from the first fastening foot 41 has with the vertically disposed support of mandrel seat 10 along 11, support is along offering two spaced draw-in grooves 12 on 11, on supporting along 11, be fixed with fixture block 13 and fixture block 13 lids are located at two draw-in groove 12 openings, fixture block 13 and two spaced draw-in grooves 12 form respectively two spaces, block selecting arm 21 can be located in space with the mandrel being connected on gear arm 30, when gearshift, mandrel will move within the specific limits, and can be in long-term gearshift, mandrel departs from original position, cause mandrel damage to affect the effect of speed change simultaneously.

Preferably, between base 40 and the first fastening foot 41 and the second fastening foot 42, be equipped with some stiffening plates 44, further strengthened the steadiness of gearshift, increased gearshift Security.

Preferably, on pole socket 20, have bar cover 23 and offer axial bar on bar cover 23 and overlap 23 mounting hole 231, operating handle can insertion rod overlap in 23, and mounting hole 231 makes pole socket 20 simple with operating handle assembling, both are closely connected, be conducive to operation gearshift.

Preferably; between bar cover 23 and block selecting arm 21 and link arm 22, be equipped with at least one stiffening rib 232; when gearshift; the strength of operating handle acts on bar cover 23; and bar cover 23 will directly act on transmission shaft 43; in this process, the second stiffening rib 232 has played good protection supporting effect, has saved the material of pole socket 20 in proof strength.

This gearshift is under original state, by manipulation bar, realize the motion of pole socket 20, the two ends of pole socket 20 are all connected in transmission shaft 43, two joint shaft bearings 431 on transmission shaft 43 are according to the direction motion of operating handle, block selecting arm 21 and gear arm 30 are made corresponding motion, block selecting arm 21 seesaws, gear arm 30 side-to-side movements, block selecting arm 21 all has a mandrel to be connected with the core axle hole 211 of gear arm 30, the power of block selecting arm 21 and gear arm 30 is delivered on mandrel, thereby changes the rotating speed of motor.

Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims

1. a gearshift, comprise mandrel seat, pole socket, gear arm and base, base two ends stretch out respectively and form the first fastening foot and the second fastening foot and the first fastening foot and mandrel seat and be connected, pole socket two ends respectively outward have extended to form block selecting arm and link arm, described block selecting arm and link arm be arranged in parallel and minute be listed in base both sides, it is characterized in that, on base, be equipped with coupling shaft and described coupling shaft one end is installed in block selecting arm, the other end passes link arm and is fixedly arranged on gear arm, on coupling shaft, be provided with two joint shaft bearings and two described joint shaft bearings are installed on respectively on base and gear arm, between described base and gear arm, be also connected with the coupling shaft be arrangeding in parallel with transmission shaft, and described coupling shaft is between transmission shaft and the second fastening foot, on coupling shaft, be arranged with axle sleeve and axle sleeve two ends are resisted against respectively on the sidewall of base and gear arm.

2. a kind of gearshift according to claim 1, it is characterized in that, described gear arm is " L " type and is comprised of vertically disposed assembly department and joint, an above-mentioned wherein joint shaft bearing is installed on joint, in the joint of assembly department and joint, offer a positioning hole, above-mentioned coupling shaft one end is fixedly arranged in positioning hole, and the other end riveted joint is fixed on base.

3. a kind of gearshift according to claim 2, is characterized in that, the described core axle hole that all offers concentric setting on assembly department and block selecting arm.

4. a kind of gearshift according to claim 3, it is characterized in that, a side at mandrel seat away from the first fastening foot has and the vertically disposed support of mandrel seat edge, described support along on offer two spaced draw-in grooves, support along on be fixed with fixture block and described fixture block lid is located at two draw-in groove openings.

5. a kind of gearshift according to claim 4, is characterized in that, between described base and the first fastening foot and the second fastening foot, is equipped with some stiffening plates.

6. a kind of gearshift according to claim 1, is characterized in that, has bar cover and at bar, put the mounting hole that offers axial bar cover on pole socket.

7. a kind of gearshift according to claim 6, is characterized in that, between described bar cover and block selecting arm and link arm, is equipped with at least one stiffening rib.