CN210554668U

CN210554668U - Electronic steering column lock assembly

Info

Publication number: CN210554668U
Application number: CN201921597332.7U
Authority: CN
Inventors: 陈建红; 钟玉生; 何日福
Original assignee: Guangxi Wanchao Automobile Electric Appliance Co ltd
Current assignee: Guangxi Wanchao Automobile Electric Appliance Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-05-19
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to an electron steering column lock assembly, including shell and base, form a installation cavity between shell and the base, its characterized in that be provided with gear upper cover and gear lower cover in the installation cavity, gear lower cover top is equipped with to rotate gear wheel, the fixed pinion that sets up in the gear wheel below that covers under the gear wheel and be located the gear wheel below and with the driven output gear of pinion engagement, the fixed cam that is equipped with in output gear's below, the cam is located the below of gear lower cover, the beneficial effects of the utility model reside in that: can cooperate keyless entry and start-up system, the driver uses easy-to-use, and the structure is more optimized, is difficult for stolen, and it is stable to use, reliable, and whole volume is littleer, and the installation space of requirement is littleer, and the position of spring bolt is conveniently known to mode and baffle through the cam and the different contacts of first contact switch and second contact switch in addition.

Description

Electronic steering column lock assembly

Technical Field

The utility model relates to an electron steering column lock assembly.

Background

The traditional mechanical lock needs to use a folding key, is not strong in technical performance, short in service life, complex in structure or large in size, and the lock tongue is unstable in operation in the shell.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a following technical scheme: an electronic steering column lock assembly comprises a shell and a base, wherein a mounting cavity is formed between the shell and the base, and is characterized in that an upper gear cover and a lower gear cover are arranged in the mounting cavity, a large gear rotationally arranged on the lower gear cover, a small gear fixedly arranged below the large gear and an output gear which is arranged below the large gear and is in meshing transmission with the small gear are arranged above the lower gear cover, a cam is fixedly arranged below the output gear, the cam is arranged below the lower gear cover, a positioning assembly is arranged on the left side of the cam, the positioning assembly comprises a mounting plate which is arranged on the lower gear cover and is fixed with the lower gear cover, a sliding block which is arranged on the mounting plate in a sliding manner, a connecting block which is arranged below the sliding block and is fixedly connected with the sliding block and a lock tongue which is fixedly connected with the connecting block, a first sliding chute and a second sliding chute are arranged on the mounting plate, the left side of slider is equipped with first lug and the second lug with slider fixed connection, first lug and second lug slide respectively and set up in first spout and second spout, the fixed erection column that is equipped with on the slider, fixed cover is equipped with a spring on the erection column, the upper end and the shell fixed connection of spring, an arc wall has been seted up on the right side of slider, be equipped with in the arc wall one with slider fixed connection's promotion piece, it is located the cam below and is contradicted with the cam and be connected to promote the piece, the connecting block is equipped with a locating lever towards one side of spring bolt is fixed, a locating hole has been seted up on the spring bolt, the locating lever sets up in the locating hole.

The utility model discloses further setting up to: a driving motor is arranged below the lower gear cover, an input gear shaft of the driving motor is positioned on the lower gear cover, the gear of the input gear shaft of the driving motor is in meshing transmission with the large gear, the driving motor is fixedly arranged on the base through a screw, the base is fixedly provided with an installation platform, the installation platform is provided with a through hole, the lock tongue is movably arranged in the through hole, the mounting table is provided with a groove, a limiting rod arranged on the mounting table is arranged in the groove, a guide plate is arranged on the mounting platform in a sliding manner, the limiting rod is fixedly arranged on the guide plate, a guide groove is arranged on the mounting platform, the guide plate is characterized in that a guide strip is fixedly arranged below the guide plate, the guide strip is arranged in the guide groove in a sliding mode, a spiral groove is formed below the cam, and the limiting rod is movably arranged in the spiral groove.

The utility model discloses further setting up to: the improved gear box is characterized in that a circuit board is arranged on the base, the circuit board is located on the rear side of the lower gear cover, a left guide rod and a right guide rod are arranged on the base, guide grooves are formed in the left guide rod and the right guide rod respectively, the circuit board is arranged in the guide grooves in a sliding mode, a first travel switch and a second travel switch which are fixedly connected with the circuit board are fixedly arranged in the front of the circuit board, an arc-shaped block which is fixedly connected with the cam is arranged on the cam, the arc-shaped block is arranged corresponding to the first travel switch, and the second travel switch is arranged corresponding to the guide plate.

The utility model discloses further setting up to: the rear side of the gear lower cover is provided with at least two positioning rods fixedly connected with the gear lower cover, the circuit board is provided with positioning holes corresponding to the positioning rods, the positioning rods are located in the positioning holes, the middle of each positioning rod is provided with a groove, the head ends of the positioning rods are divided into a left positioning rod and a right positioning rod by the grooves, and the left positioning rod is fixedly provided with a clamping block.

The utility model discloses further setting up to: an inverted U-shaped groove is formed in the shell, a plug is fixedly arranged on the circuit board and located in the U-shaped groove, and the circuit board is connected with the driving motor through a lead.

The utility model discloses further setting up to: the gear lower cover and the gear upper cover are connected in a buckling mode through at least three groups of buckling assemblies.

The utility model discloses further setting up to: the fastening assembly comprises a fastening block fixedly arranged on the lower gear cover and a connecting rod fixedly arranged on the upper gear cover, a fastening groove is formed in the connecting rod, and the fastening block is fastened in the fastening groove formed in the connecting rod.

The utility model discloses further setting up to: the shell is fixedly connected with the base through a positioning pin.

The utility model discloses further setting up to: the improved bolt lock is characterized in that a shaft cover is arranged below the base, the shaft cover is fixedly connected with the base through an installation screw, a movable hole is formed in the shaft cover, and the bolt is movably arranged in the movable hole.

The beneficial effects of the utility model reside in that: can cooperate keyless entry and start-up system, the driver uses easy shang shou, the structure is more optimized, it is difficult stolen, high durability and reliability, whole volume is littleer, the installation space who requires is littleer, and the mode through the cam and baffle and the different contacts of first contact switch and second contact switch, conveniently know the position of spring bolt, when the cam rotates, drive and promote the piece and down move, it drives the slider and moves on the mounting panel to promote the piece (first lug and second lug slide and set up on first spout and second spout), the slider drives the connecting block and the fixed spring bolt that sets up below the connecting block moves down, the spring bolt operation is stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic structural view of the present invention with the outer shell removed;

FIG. 4 is a schematic structural view of the present invention without the housing and the gear cover;

FIG. 5 is a schematic view of a transmission relationship structure of the gear of the present invention;

fig. 6 is a schematic structural view of the cam of the present invention;

FIG. 7 is a schematic structural view of the slide block of the present invention slidably disposed on the mounting plate;

FIG. 8 is a schematic structural view of the circuit board of the present invention disposed on the base;

FIG. 9 is a schematic structural view of the guide bar of the present invention slidably disposed on the guide groove;

FIG. 10 is a schematic structural view of the limiting rod of the present invention disposed in the spiral groove;

FIG. 11 is a schematic structural view of the locking state of the present invention;

fig. 12 is a schematic structural diagram of the unlocking state of the present invention.

Detailed Description

According to fig. 1-12, the embodiment discloses an electronic steering column lock assembly, which comprises a housing 1 and a base 2, wherein a mounting cavity is formed between the housing 1 and the base 2, an upper gear cover 3 and a lower gear cover 4 are arranged in the mounting cavity, a gear wheel 5 rotatably arranged on the lower gear cover 4, a pinion 6 fixedly arranged below the gear wheel 5, and an output gear 7 positioned below the gear wheel 5 and in meshed transmission with the pinion 6 are arranged above the lower gear cover 4, a cam 8 is fixedly arranged below the output gear 7, the cam 8 is positioned below the lower gear cover 4, when the steering column needs to be locked, a driving motor is started to drive a gear of an input gear shaft to rotate, teeth of the input gear shaft and the meshed transmission of the gear wheel drive a pinion fixedly arranged below the gear wheel to rotate, the pinion is in meshed transmission with the output gear to drive the output gear to rotate, the output gear drives the cam to rotate, a positioning assembly is arranged on the left side of the cam 8, the positioning assembly comprises a mounting plate 9 which is arranged on the gear lower cover 4 and is fixed with the gear lower cover 4, a sliding block 10 which is arranged on the mounting plate 9 in a sliding manner, a connecting block 11 which is arranged below the sliding block 10 and is fixedly connected with the sliding block 10, and a bolt 12 which is fixedly connected with the connecting block 11, a first sliding groove 13 and a second sliding groove 14 are formed in the mounting plate 9, a first lug 15 and a second lug 16 which are fixedly connected with the sliding block 10 are arranged on the left side of the sliding block 10, the first lug 15 and the second lug 16 are respectively arranged in the first sliding groove 13 and the second sliding groove 14 in a sliding manner, a mounting column is fixedly arranged on the sliding block 10, a spring 18 is fixedly sleeved on the mounting column 17, and the upper end, by arranging the spring, when the lock needs to be unlocked, the cam is rotated, the spring pulls up the lock tongue due to the pulling force to unlock the steering column, the right side of the slider 10 is provided with an arc-shaped groove 19, a pushing block 20 fixedly connected with the slider 10 is arranged in the arc-shaped groove 19, the pushing block 20 is positioned below the cam 8 and is in contact connection with the cam 8, when the cam rotates, the pushing block is driven to move downwards, the pushing block drives the slider to move on the mounting plate (the first lug and the second lug are arranged on the first sliding groove and the second sliding groove in a sliding manner), the slider drives the connecting block and the lock tongue fixedly arranged below the connecting block to move downwards, the lock tongue runs stably and locks the steering column, one side of the connecting block 11, which faces the lock tongue 12, is fixedly provided with a positioning rod 21, the lock tongue 12 is provided with a positioning hole 22, and the positioning rod 21 is, through setting up the locating lever, the convenience is installed the spring bolt, can cooperate keyless entry and start-up system, and the driver uses easy-to-use, and the structure is more optimized, is difficult for stolen, uses stably, and is reliable, and whole volume is littleer, and the installation space of requirement is littleer.

The utility model discloses further setting up to: a driving motor 23 is arranged below the gear lower cover 4, an input gear shaft of the driving motor 23 is positioned on the gear lower cover 4, a cam is conveniently driven to move by arranging the driving motor, a gear of the input gear shaft of the driving motor 23 is in meshed transmission with the gear wheel 5, the driving motor 23 is fixedly arranged on the base 2 through screws, an installation table 24 is fixedly arranged on the base 2, a through hole 25 is arranged on the installation table 24, the bolt 12 is movably arranged in the through hole 25, a groove 26 is arranged on the installation table 24, a limiting rod 27 arranged on the installation table 24 is arranged in the groove 26, a guide plate 30 is arranged on the installation table 24 in a sliding manner, the limiting rod 27 is fixedly arranged on the guide plate 28, a guide groove 29 is arranged on the installation table 24, and a guide strip 30 is fixedly arranged below the guide plate 28, the guide bar 30 is arranged in the guide groove 29 in a sliding mode, the spiral groove 31 is formed in the lower portion of the cam 8, the limiting rod 27 is movably arranged in the spiral groove 31, when the cam rotates, the limiting rod is driven to move through the spiral groove, the limiting rod drives the guide bar of the guide plate to move in the guide groove in the installation table, and the guide plate is convenient to contact with the second travel switch.

The utility model discloses further setting up to: a circuit board 32 is arranged on the base 2, the circuit board 32 is positioned at the rear side of the gear lower cover 4, a left guide rod 33 and a right guide rod 34 are arranged on the base 2, guide grooves 35 are respectively arranged on the left guide rod 33 and the right guide rod 34, the circuit board 32 is arranged in the guide groove 35 in a sliding way, a first travel switch 36 and a second travel switch 37 which are fixedly connected with the circuit board 32 are fixedly arranged in front of the circuit board 32, the cam 8 is provided with an arc-shaped block 38 fixedly connected with the cam 8, the arc-shaped block 38 is arranged corresponding to the first travel switch 36, the second travel switch 37 is arranged corresponding to the guide plate 28, through setting up first travel switch and second travel switch, the cam drives arc piece and baffle respectively and moves when the pivoted, contacts with first travel switch and second travel switch, conveniently knows the position of spring bolt.

The utility model discloses further setting up to: the rear side of the gear lower cover 4 is provided with at least two positioning rods 39 fixedly connected with the gear lower cover 4, the circuit board 32 is provided with positioning holes 40 corresponding to the positioning rods 39, the positioning rods 39 are located in the positioning holes 40, the middle of each positioning rod 39 is provided with a notch 41, the positioning rods are provided with notches, the positioning rods are conveniently mounted in the positioning holes, the notches 41 divide the head end of each positioning rod 39 into a left positioning rod 42 and a right positioning rod 43, each left positioning rod 42 is fixedly provided with a clamping block 44, and the clamping blocks are buckled with the circuit board and are conveniently connected to fix the circuit board.

The utility model discloses further setting up to: an inverted U-shaped groove 45 is formed in the shell 1, a plug 46 is fixedly arranged on the circuit board 32, a contact pin fixedly connected with the circuit board is arranged in the plug, the plug 46 is located in the U-shaped groove 45, the circuit board 32 is connected with the driving motor 23 through a lead, and the installation of the plug is facilitated by the U-shaped groove.

The utility model discloses further setting up to: the gear lower cover 4 is connected with the gear upper cover 3 in a buckling mode through at least three groups of buckling assemblies, and the gear upper cover and the gear lower cover are convenient to disassemble and assemble.

The utility model discloses further setting up to: the buckling assembly comprises a buckling block 47 fixedly arranged on the lower gear cover 4 and a connecting rod 48 fixedly arranged on the upper gear cover 3, a buckling groove 49 is formed in the connecting rod 48, the buckling block 47 is buckled in the buckling groove 49 formed in the connecting rod 48, and the buckling block is buckled in the buckling groove formed in the connecting rod, so that the upper gear cover and the lower gear cover can be conveniently disassembled.

The utility model discloses further setting up to: the shell 1 and the base 2 are fixedly connected through the positioning pin 50, so that the shell and the base are conveniently fixed together.

The utility model discloses further setting up to: the lower part of base 2 is equipped with a shaft cover 51, through installation screw 53 fixed connection, make things convenient for the dismouting between shaft cover 51 and the base 2, seted up a movable hole 52 on the shaft cover 51, the activity of spring bolt 12 sets up in movable hole 52, through seting up movable hole, makes things convenient for the activity of spring bolt.

The utility model discloses a theory of operation: when the locking state is realized, the driving motor is started to drive the gear of the input gear shaft to rotate (anticlockwise rotate), the teeth of the input gear shaft and the large gear are meshed for transmission and simultaneously drive the small gear fixedly arranged below the large gear to rotate, the small gear and the output gear are meshed for transmission and drive the output gear to rotate, the output gear drives the cam to rotate, when the cam rotates, the pushing block is driven to move downwards, the pushing block drives the sliding block to move on the mounting plate (the first lug and the second lug are arranged on the first sliding groove and the second sliding groove in a sliding manner), the sliding block drives the connecting block and the spring bolt fixedly arranged below the connecting block to move downwards to lock the steering column, when the cam rotates, the spiral groove drives the limiting rod to move along the spiral groove to drive the guide plate to move on the mounting table, the guide plate is contacted with the second stroke, the arc-shaped block is far away from the first travel switch, the first travel switch is in a release state, and the direction of the lock tongue is judged through the state of the travel switch.

In the unlocking state, a driving motor is started to drive a gear of an input gear shaft to rotate (clockwise rotation), the teeth of the input gear shaft and a large gear are meshed for transmission and simultaneously drive a small gear fixedly arranged below the large gear to rotate, the small gear and an output gear are meshed for transmission and drive the output gear to rotate, the output gear drives a cam to rotate, when the cam rotates, a pushing block is driven by the resetting force of a spring to move upwards, the pushing block drives a sliding block to move on a mounting plate (a first lug and a second lug are arranged on a first sliding groove and a second sliding groove in a sliding manner), the sliding block drives a connecting block and a spring bolt fixedly arranged below the connecting block to move upwards, the steering column is unlocked, and meanwhile, when the cam rotates, a spiral groove drives a limiting rod to move along the spiral groove and drives a guide plate to move on the mounting table, the guide plate is separated, the arc piece contacts with first travel switch, and first travel switch is in compression state, judges the position of spring bolt through travel switch's state.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and any decoration, modification or equivalent replacement made by those skilled in the art according to the above description is within the protection scope of the present invention.

Claims

1. An electronic steering column lock assembly comprises a shell and a base, wherein a mounting cavity is formed between the shell and the base, and is characterized in that an upper gear cover and a lower gear cover are arranged in the mounting cavity, a large gear rotationally arranged on the lower gear cover, a small gear fixedly arranged below the large gear and an output gear which is arranged below the large gear and is in meshing transmission with the small gear are arranged above the lower gear cover, a cam is fixedly arranged below the output gear, the cam is arranged below the lower gear cover, a positioning assembly is arranged on the left side of the cam, the positioning assembly comprises a mounting plate which is arranged on the lower gear cover and is fixed with the lower gear cover, a sliding block which is arranged on the mounting plate in a sliding manner, a connecting block which is arranged below the sliding block and is fixedly connected with the sliding block and a lock tongue which is fixedly connected with the connecting block, a first sliding chute and a second sliding chute are arranged on the mounting plate, the left side of slider is equipped with first lug and the second lug with slider fixed connection, first lug and second lug slide respectively and set up in first spout and second spout, the fixed erection column that is equipped with on the slider, fixed cover is equipped with a spring on the erection column, the upper end and the shell fixed connection of spring, an arc wall has been seted up on the right side of slider, be equipped with in the arc wall one with slider fixed connection's promotion piece, it is located the cam below and is contradicted with the cam and be connected to promote the piece, the connecting block is equipped with a locating lever towards one side of spring bolt is fixed, a locating hole has been seted up on the spring bolt, the locating lever sets up in the locating hole.

2. An electronic steering column lock assembly according to claim 1, wherein: a driving motor is arranged below the lower gear cover, an input gear shaft of the driving motor is positioned on the lower gear cover, the gear of the input gear shaft of the driving motor is in meshing transmission with the large gear, the driving motor is fixedly arranged on the base through a screw, the base is fixedly provided with an installation platform, the installation platform is provided with a through hole, the lock tongue is movably arranged in the through hole, the mounting table is provided with a groove, a limiting rod arranged on the mounting table is arranged in the groove, a guide plate is arranged on the mounting platform in a sliding manner, the limiting rod is fixedly arranged on the guide plate, a guide groove is arranged on the mounting platform, the guide plate is characterized in that a guide strip is fixedly arranged below the guide plate, the guide strip is arranged in the guide groove in a sliding mode, a spiral groove is formed below the cam, and the limiting rod is movably arranged in the spiral groove.

3. An electronic steering column lock assembly according to claim 2, wherein: the improved gear box is characterized in that a circuit board is arranged on the base, the circuit board is located on the rear side of the lower gear cover, a left guide rod and a right guide rod are arranged on the base, guide grooves are formed in the left guide rod and the right guide rod respectively, the circuit board is arranged in the guide grooves in a sliding mode, a first travel switch and a second travel switch which are fixedly connected with the circuit board are fixedly arranged in the front of the circuit board, an arc-shaped block which is fixedly connected with the cam is arranged on the cam, the arc-shaped block is arranged corresponding to the first travel switch, and the second travel switch is arranged corresponding to the guide plate.

4. An electronic steering column lock assembly according to claim 3, wherein: the rear side of the gear lower cover is provided with at least two positioning rods fixedly connected with the gear lower cover, the circuit board is provided with positioning holes corresponding to the positioning rods, the positioning rods are located in the positioning holes, the middle of each positioning rod is provided with a groove, the head ends of the positioning rods are divided into a left positioning rod and a right positioning rod by the grooves, and the left positioning rod is fixedly provided with a clamping block.

5. An electronic steering column lock assembly according to claim 3, wherein: an inverted U-shaped groove is formed in the shell, a plug is fixedly arranged on the circuit board and located in the U-shaped groove, and the circuit board is connected with the driving motor through a lead.

6. An electronic steering column lock assembly according to claim 1, wherein: the gear lower cover and the gear upper cover are connected in a buckling mode through at least three groups of buckling assemblies.

7. An electronic steering column lock assembly according to claim 6, wherein: the fastening assembly comprises a fastening block fixedly arranged on the lower gear cover and a connecting rod fixedly arranged on the upper gear cover, a fastening groove is formed in the connecting rod, and the fastening block is fastened in the fastening groove formed in the connecting rod.

8. An electronic steering column lock assembly according to claim 1, wherein: the shell is fixedly connected with the base through a positioning pin.

9. An electronic steering column lock assembly according to claim 1, wherein: the improved bolt lock is characterized in that a shaft cover is arranged below the base, the shaft cover is fixedly connected with the base through an installation screw, a movable hole is formed in the shaft cover, and the bolt is movably arranged in the movable hole.