CN211975845U

CN211975845U - Speed-changing manipulator

Info

Publication number: CN211975845U
Application number: CN201922271926.5U
Authority: CN
Inventors: 姜元晖; 王旭; 孙永华
Original assignee: Changchun Fuao Wanan Brake Control System Co ltd
Current assignee: Changchun Fuao Wanan Brake Control System Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-11-20
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to a variable speed control field discloses variable speed controller, and it includes base, control rod assembly and selects to keep off the assembly, is fixed with the fixed arm on the base, is formed with on the fixed arm to be used for with bulb round pin axle complex bowl chamber, the one end and the cooperation of bowl chamber of control rod assembly, the other end with select to keep off assembly be assembled between/be connected between, select to keep off the other end of assembly and be connected with the fixed arm. The one end bending type of fixed arm becomes the assembly mouth, and fixed mounting has the sleeve pipe in the assembly mouth, and sheathed tube one end is contradicted with selecting the fender assembly, selects to keep off the assembly including selecting fender axle and selecting to keep off the arm, selects to keep off the axle and installs at the sleeve pipe intraductally, selects the one end and the selecting fender arm fixed connection that keep off the axle, selects the other end that keeps off the axle to wear out the sleeve pipe and fix at sheathed tube tip through fixing bolt. The device has the advantages of simple processing, convenient maintenance, long service life and the like.

Description

Speed-changing manipulator

Technical Field

The utility model relates to a variable speed controller field has especially related to variable speed controller.

Background

At present, the requirements of the light trucks in China on the reliability, the maintainability, the weight and the cost of the speed change manipulator are higher and higher. The rotation of pedestal and the transmission connection of gear selection arm and control lever of traditional variable speed operating mechanism's gear selection arm axle mostly rely on joint bearing's support, need regularly lubricate in the course of the work, appear bearing jamming after the time is too long easily, influence and select the function of shifting, have shortcomings such as heavy, with high costs simultaneously.

For example, chinese patent 201020278713.1 discloses a gear shift controller mechanism, in which when the gear selecting stroke is large, if the swing arc of the ball head of the driven arm is large due to excessive force applied by the operator, the ball head of the driven arm is likely to be separated from the bushing of the gear selecting arm. Because the limiting block is additionally arranged on the gear selecting arm and is in contact with the base in advance, the movement stroke of the gear selecting arm is reduced, the up-and-down movement amplitude of the bushing is limited, and the circular motion of the ball head is further limited. Even if the force application of an operator is large, the ball head of the driven arm can be prevented from falling out of the bushing of the gear selecting arm. This solution does not solve the above technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the maintenance that current variable speed controller mechanism exists inconvenient, life is short, and shortcoming such as the cost is higher provides the variable speed controller.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the variable speed manipulator comprises a base, an operating lever assembly and a gear selecting assembly, wherein a fixed arm is fixed on the base, a ball bowl cavity matched with a ball head pin shaft is formed in the fixed arm, one end of the operating lever assembly is matched with the ball bowl cavity, the other end of the operating lever assembly is fixedly connected with the gear selecting assembly, the other end of the gear selecting assembly is connected with the fixed arm, and the operating lever assembly rotates to drive the gear selecting assembly to move.

Preferably, one end of the fixing arm is bent to form an assembling opening, a sleeve is fixedly installed in the assembling opening, one end of the sleeve is abutted to the gear selecting assembly, the gear selecting assembly comprises a gear selecting shaft and a gear selecting arm, the gear selecting shaft is installed in the sleeve, one end of the gear selecting shaft is fixedly connected with the gear selecting arm, and the other end of the gear selecting shaft penetrates through the sleeve and is fixed to the end portion of the sleeve through a fixing bolt. The device adopts the stamping workpiece welding to form, has the processing cost low, and the subsequent handling of being convenient for increases turn-ups and strengthening rib process, and advantages such as simple processing machining efficiency height.

Preferably, a sleeve between the fixed arm and the gear selecting arm is an assembling pipe, a return spring is sleeved on the assembling pipe, supporting shafts for returning the return spring are arranged on the fixed arm and the gear selecting arm, and a damping sleeve is arranged between the return spring and the sleeve. Damping sleeve be nonmetal sleeve pipe, it can avoid spring and sleeve pipe direct contact, because metalwork direct contact wearing and tearing are great and the noise is great, so damping sleeve's effect still embodies reducing spring and sheathed tube friction, has the function of making an uproar of falling, and nonmetal sleeve pipe has that the wearability is good moreover, has self-lubricating characteristics.

Preferably, the shock-absorbing sleeve comprises a sleeve part and a shock-absorbing seat arranged at one end of the sleeve part and extending outwards along the outer side wall of the sleeve part, and the shock-absorbing seat abuts against the fixed arm or/and the gear selecting arm. The shock-absorbing sleeve can avoid the spring to directly contact with the sleeve.

Preferably, the number of the damping sleeves is two, the damping seat of one damping sleeve props against the fixed arm, and the damping seat of one damping sleeve props against the gear selecting arm.

Preferably, a cushion ring is arranged on the sleeve, one end face of the cushion ring is abutted to the fixed arm, and the other end face of the cushion ring is abutted to the shock absorption seat.

Preferably, the control rod assembly comprises a control rod and a ball head pin shaft, a nonmetal ball bowl is assembled in a ball bowl cavity, one end of the ball head pin shaft is matched with the ball bowl, the gear selecting assembly comprises a gear selecting arm, a mounting hole is formed in the gear selecting arm, a connecting sleeve is inserted in the mounting hole and fixedly connected with the gear selecting arm, a shaft sleeve is fixedly assembled at the other end of the ball head pin shaft, a mounting hole is formed in the middle of the connecting sleeve, the inner diameter of the middle of the annular side face of the mounting hole is larger than the inner diameters of the two sides, and the shaft sleeve is matched with the mounting.

Preferably, the sleeve is a wear resistant plastic sleeve.

Preferably, the shaft sleeve is in an incomplete annular shape and is clamped on the outer side surface of the ball head pin shaft; an oil storage tank is arranged on the inner side surface of the inner hole of the shaft sleeve.

Preferably, the outer side surface of the sleeve is a spherical surface.

The utility model discloses owing to adopted above technical scheme, have following apparent technological effect:

the utility model discloses a ball bowl and axle sleeve subassembly adopt the good non-metallic material of wearability for axle sleeve and ball bowl subassembly have good wearability and have good self-lubricating non-maintaining characteristics, and return spring can adjust the clearance between the spare part in addition, has improved driver's the sense of controlling. And meanwhile, the operating lever assembly fixedly connects the operating lever, the pin shaft and the gear shifting arm together in a welding mode. And the base adopts for the stamping workpiece, and the stamping workpiece has the processing convenience, and machining efficiency is high, light and be convenient for advantages such as buckle, and the mount also is the stamping workpiece in addition, and the mount is welded fastening connection with the base.

Drawings

Fig. 1 is a schematic view of the overall structure of the apparatus.

Fig. 2 is a schematic structural view of the base and the fixing arm.

Fig. 3 is a schematic structural diagram of the gear selection assembly.

Fig. 4 is a schematic view of the assembly of the shaft sleeve and the damper base.

Fig. 5 is a partially enlarged view of fig. 1.

Fig. 6 is a schematic connection diagram of the ball head pin shaft, the shaft sleeve and the ball bowl.

The names of the parts indicated by the numerical references in the drawings are as follows: 100-base, 101-control rod assembly, 102-gear selecting assembly, 103-fixed arm, 104-ball bowl cavity, 105-assembly opening, 106-sleeve, 107-gear selecting shaft, 108-gear selecting arm, 110-fixed bolt, 112-return spring, 113-support shaft, 114-damping sleeve, 115-sleeve part, 116-damping seat, 117-backing ring, 118-control rod, 119-ball pin shaft, 120-gear selecting arm, 121-mounting hole, 122-connecting sleeve, 123-shaft sleeve, 125-ball mounting cavity, 126-opening, 127-oil storage tank.

Detailed Description

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

Example 1

As shown in fig. 1 to 6, the speed change manipulator includes a base 100, a lever assembly 101 and a gear selection assembly 102, wherein a fixed arm 103 is fixed on the base 100, a ball bowl cavity 104 for matching with a ball head pin 119 is formed on the fixed arm 103, one end of the lever assembly 101 matches with the ball bowl cavity 104, the other end of the lever assembly 101 is fixedly connected with the gear selection assembly 102, the other end of the gear selection assembly 102 is connected with the fixed arm 103, and the lever assembly 101 rotates to drive the gear selection assembly 102 to move. The operating lever assembly 101 comprises an operating lever 118, a ball pin 119 and a shift arm 120, the operating lever 118 and the shift arm 120 are welded and fixed to the middle of the ball pin 119, the base 100 is a stamping part, the fixing arm 103 is also a stamping part, the fixing arm 103 is welded and fixed to the base 100, the fixing arm 103 is a plate in the embodiment, a ball cup cavity 104 is formed in the fixing arm 103 in a stamping mode, a ball head end of the ball pin 119 is matched with the ball cup cavity 104, and the other end of the ball pin 119 is matched and connected with the shift arm 108.

One end of the fixing arm 103 is bent to form an assembling opening 105, a sleeve 106 is fixedly installed in the assembling opening 105, one end of the sleeve 106 is abutted against the gear selecting assembly 102, the gear selecting assembly 102 comprises a gear selecting shaft 107 and a gear selecting arm 108, the gear selecting shaft 107 is installed in the sleeve 106, one end of the gear selecting shaft 107 is fixedly connected with the gear selecting arm 108, and the other end of the gear selecting shaft 107 penetrates through the sleeve 106 and is fixed at the end of the sleeve 106 through a fixing bolt 110. Wherein, the outer side wall of the sleeve 106 is attached to the assembly opening 105, and the sleeve 106 is welded and fixed with the assembly opening 105. The gear selecting shaft 107 is connected with the gear selecting arm 108 in a welded fixing or interference fit mode, the gear selecting shaft 107 is inserted into the sleeve 106, and the other end of the gear selecting shaft 107 is provided with external threads, penetrates out of the sleeve 106 and is fixed at the end of the sleeve 106 through bolts and gaskets.

Since the fitting opening 105 is formed concavely for the fixing arm 103 in this embodiment, the occupied space is smaller. A sleeve 106 between the fixing arm 103 and the gear selecting arm 108 is defined as an assembling pipe, a return spring 112 is sleeved on the assembling pipe, support shafts 113 for returning the return spring 112 are arranged on the fixing arm 103 and the gear selecting arm 108, a shock absorption sleeve 114 is assembled between the return spring 112 and the sleeve 106, the shock absorption sleeve 114 comprises a sleeve part 115 and a shock absorption seat 116 arranged at one end of the sleeve part 115 and extending outwards along the outer side wall of the sleeve part 115, and the shock absorption seat 116 abuts against the fixing arm 103 and the gear selecting arm 108. The number of the shock-absorbing sleeves 114 is two, the shock-absorbing seat 116 of one shock-absorbing sleeve 114 is abutted on the fixing arm 103, and the shock-absorbing seat 116 of one shock-absorbing sleeve 114 is abutted on the gear selecting arm 108. The bushing 106 is provided with a backing ring 117, one end face of the backing ring 117 abuts against the fixing arm 103, the other end face abuts against the shock absorbing seat 116, and the backing ring 117 is used for providing a sufficient supporting surface for the shock absorbing seat 116 of the shock absorbing sleeve 114, so that the shock absorbing sleeve 114 is reliably mounted on the bushing 106.

In this embodiment, the ball bowl 128 is assembled in the ball bowl cavity 104, the ball bowl 128 is a wear-resistant member and has a self-lubricating characteristic, the selected material is pom plastic, and the pom plastic has the characteristics of high hardness, high rigidity and high wear resistance. One end of the ball head pin shaft 119 is matched with the ball bowl 128, the gear selecting assembly 102 comprises a gear selecting arm 108, an assembling hole is formed in the gear selecting arm 108, a connecting sleeve 122 is inserted into the assembling hole, the connecting sleeve 122 is fixedly connected with the gear selecting arm 108, and the connecting sleeve 122 and the gear selecting arm 108 are fixedly welded in the implementation. The other end of ball head pin 119 is fixedly assembled with a shaft sleeve 123, a mounting hole 121 is formed in the middle of the connecting sleeve 122, the inner diameter of the middle of the annular side face of the mounting hole 121 is larger than the inner diameters of the two sides, the outer side face of the shaft sleeve 123 is matched and matched with the mounting hole 121 in shape, a spherical assembly cavity is formed in the mounting hole 121, the shaft sleeve 123 is matched with the spherical assembly cavity, the shaft sleeve 123 can rotate in the spherical assembly cavity to form a spherical hinge matching structure, and therefore the axis of the ball head pin 119 is adapted to the position deviation mounting hole 121 in the gear selecting and. When ball pin 119 shifts the axis of mounting hole 121 in the gear selecting and shifting process, ball pin 119 can drive shaft sleeve 123 to deflect in the assembly cavity, and ball pin 119 and shaft sleeve 123 after deflection still can rotate in the assembly cavity, so that the phenomenon that ball pin 119 is blocked is prevented. Wherein the shaft sleeve 123 is a wear-resistant plastic shaft sleeve 123, and the wear-resistant plastic is POM plastic. The whole structure of the shaft sleeve 123 is in a snap ring shape with an opening 126, and the shaft sleeve 123 is clamped on the outer side surface of the ball head pin shaft 119; the medial surface of the hole of axle sleeve 123 is provided with oil storage tank 127, and the axle sleeve 123 that has opening 126 can be convenient for imbed axle sleeve 123 to the installation intracavity, and oil storage tank 127 that axle sleeve 123 medial surface set up can save certain lubricating oil to guarantee that the rotation between axle sleeve 123 and bulb round pin axle 119 is more smooth, life is longer.

Example 2

As shown in the drawing, the number of the oil reservoirs 127 is three, and the oil reservoirs 127 penetrate the front side surface and the rear side surface of the sleeve 123, unlike the embodiment 1.

Example 3

As shown, unlike embodiment 1, a rubber gasket 130 is mounted between the ball bowl 128 and the inner wall of the ball bowl cavity 104, so as to absorb the vibration during operation, prevent the operating rod 118 from shaking, and play a role of buffering.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. A shift operator characterized by: including base (100), control lever assembly (101) and selection fender assembly (102), be fixed with fixed arm (103) on base (100), be formed with on fixed arm (103) and be used for bowl chamber (104) with bulb round pin axle (119) complex, the one end and the bowl chamber (104) cooperation of control lever assembly (101), the other end and selection fender assembly (102) be assembled between/be connected between, the other end and the fixed arm (103) of selection fender assembly (102) are connected.

2. The shift manipulator of claim 1, wherein: one end bending type of fixed arm (103) forms assembly opening (105), fixed mounting has sleeve pipe (106) in assembly opening (105), the one end and the selection of sleeve pipe (106) are kept off assembly (102) and are contradicted, selection keeps off assembly (102) including selecting fender axle (107) and selecting fender arm (108), it installs in sleeve pipe (106) to select fender axle (107), the one end and the selection of selecting fender arm (108) fixed connection of selecting fender axle (107), the other end of selecting fender axle (107) is worn out sleeve pipe (106) and is fixed the tip at sleeve pipe (106) through fixing bolt (110).

3. The shift manipulator of claim 2, wherein: the sleeve (106) between the fixed arm (103) and the gear selecting arm (108) is an assembly pipe, a return spring (112) is sleeved on the assembly pipe, supporting shafts (113) used for returning the return spring (112) are arranged on the fixed arm (103) and the gear selecting arm (108), and a damping sleeve (114) is arranged between the return spring (112) and the sleeve (106).

4. The shift manipulator of claim 2, wherein: the shock absorption sleeve (114) comprises a sleeve part (115) and a shock absorption seat (116) which is arranged at one end of the sleeve part (115) and extends outwards along the outer side wall of the sleeve part (115), and the shock absorption seat (116) is abutted against the fixing arm (103) or/and the gear selecting arm (108).

5. The shift manipulator of claim 4, wherein: the number of the shock absorption sleeves (114) is two, the shock absorption seat (116) of one shock absorption sleeve (114) is abutted against the fixed arm (103), and the shock absorption seat (116) of one shock absorption sleeve (114) is abutted against the gear selecting arm (108).

6. The shift manipulator of claim 4, wherein: a backing ring (117) is arranged on the sleeve (106), one end face of the backing ring (117) is abutted against the fixed arm (103), and the other end face of the backing ring (117) is abutted against the shock absorption seat (116).

7. The shift manipulator of claim 1, wherein: the operating rod assembly (101) comprises a fixedly connected operating rod (118), a ball head pin shaft (119) and a gear shifting arm (120), a ball bowl (128) is assembled in a ball bowl cavity (104), one end of the ball head pin shaft (119) is matched with the ball bowl (128), the gear shifting assembly (102) comprises a gear shifting arm (108), a mounting hole is formed in the gear shifting arm (108), a connecting sleeve (122) is inserted in the mounting hole, the connecting sleeve (122) is fixedly connected with the gear shifting arm (108), a wear-resistant plastic shaft sleeve (123) is fixedly assembled at the other end of the ball head pin shaft (119), a mounting hole (121) is formed in the middle of the connecting sleeve (122), the inner diameter of the middle of the annular side face of the mounting hole (121) is larger than the inner diameters of two sides to form a spherical mounting cavity (125), and the outer side face of the shaft sleeve (123) is.

8. The shift manipulator of claim 7, wherein: the integral structure of the shaft sleeve (123) is in a snap ring shape with an opening (126), and the shaft sleeve (123) is clamped on the outer side surface of the ball head pin shaft (119); an oil storage groove (127) is formed in the inner side surface of the inner hole of the shaft sleeve (123).

9. The shift manipulator of claim 7, wherein: the outer side surface of the shaft sleeve (123) is a spherical surface, and the ball bowl (128) and the shaft sleeve (123) are made of POM plastic.

10. The shift manipulator of claim 7, wherein: a rubber gasket (130) is arranged between the outer side surface of the ball bowl (128) and the inner side surface of the ball bowl cavity (104).