CN213619471U

CN213619471U - Empty, transport mechanism of load automatic switch-over

Info

Publication number: CN213619471U
Application number: CN202022457340.0U
Authority: CN
Inventors: 周文华
Original assignee: Et Technology Wuxi Co ltd
Current assignee: Et Technology Wuxi Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-06
Anticipated expiration: 2030-10-29

Abstract

The utility model relates to a carrying mechanism for automatic switching of air and load, which comprises a track, wherein a sliding block component is arranged in the track, the sliding block component is driven by power to reciprocate along the length direction of the track, and the inner side surfaces at the two ends of the track are respectively provided with a first switching structure and a second switching structure; flexible movable pin subassembly from top to bottom is installed to sliding block set spare top surface, switching structure one makes the movable pin subassembly upwards stretch out and keep after contacting sliding block set spare, switching structure two then makes the movable pin subassembly withdraw downwards and keep after contacting sliding block set spare, upwards stretch out or withdraw downwards through movable pin subassembly, realize linking up or breaking away from of handling mechanism and external load, thereby it is empty to realize handling mechanism, the automatic switch-over of load, degree of automation is high, the mechanism is small and exquisite and nimble convenient, effective helping hand rotates in the automation of car seat carousel mechanism.

Description

Empty, transport mechanism of load automatic switch-over

Technical Field

The utility model belongs to the technical field of the car seat technique and specifically relates to an empty, load automatic switch-over's transport mechanism.

Background

With the progress of the times and the development of technologies, the requirements of users on the automobile comfort degree are higher and higher while the requirements on the automobile performance are higher and higher, and the requirements on the performance of the automobile seat as the most visual embodiment of the automobile comfort degree are gradually increased.

In the prior art, an automobile seat can only move back and forth, when a driver needs to rest in a cab, communicate with an adjacent seat or use a small table plate for office work, the single moving direction of the seat limits the moving space of the seat, and the comfort experience is poor; in addition, some current car seat adjustment mechanisms are mostly manual regulation locking mode, and the adaptation is inconvenient, and user experience is poor.

SUMMERY OF THE UTILITY MODEL

The applicant aims at the defects in the prior art and provides a conveying mechanism with a reasonable structure and capable of automatically switching empty and load, so that the automatic rotation of a seat can be realized by assistance, the mechanism is small, exquisite, flexible, convenient, reliable to use and high in automation degree.

The utility model discloses the technical scheme who adopts as follows:

a carrying mechanism capable of automatically switching between empty and load comprises a track, wherein a sliding block assembly is installed in the track, the sliding block assembly is driven by power to reciprocate along the length direction of the track, and the inner side surfaces of two ends of the track are respectively provided with a first switching structure and a second switching structure; the top surface of the sliding block component is provided with a movable pin component which stretches up and down, the first switching structure enables the movable pin component to extend upwards and keep after contacting the sliding block component, and the second switching structure enables the movable pin component to retract downwards and keep after contacting the sliding block component.

As a further improvement of the above technical solution:

the top of the sliding block assembly is provided with a locking assembly and a movable pin assembly in parallel, the first switching structure is a push tongue, and the second switching structure is a stop block; the movable pin assembly is locked by the locking assembly after being retracted downwards, and the pushing tongue pushes the locking assembly to release the locking of the locking assembly on the movable pin assembly, so that the movable pin assembly extends upwards and is connected with an external load.

The structure of the sliding block component is as follows: the sliding block comprises a sliding block body, wherein a lever assembly is rotatably arranged on the sliding block body, the lower end of the lever assembly extends out of the sliding block body, and a movable pin assembly is slidably arranged at the top end of the lever assembly; the bottom end of the lever assembly is contacted with the stop block, so that the lever assembly rotates relative to the sliding block body, and the top end of the lever assembly slides back and forth relative to the movable pin assembly and drives the movable pin assembly to move up and down; and a locking assembly is also arranged on the top surface of the sliding block body positioned outside the side surface of the movable pin assembly.

The lever assembly is structurally characterized in that: the sliding block comprises a rotating shaft inserted on a sliding block body, a lever is sleeved on the rotating shaft, the rotating shaft is arranged in the middle of the lever, a sliding pin is fixedly arranged at the top of the lever, the sliding pin is clamped in a sliding groove and slides back and forth along the sliding groove, and the bottom of the lever protrudes out of the sliding block body downwards; and a first torsion spring for resetting the lever is sleeved on the rotating shaft.

The movable pin assembly is structurally characterized in that: the sliding block comprises a pin seat which is movably embedded in a sliding block body from top to bottom, a movable pin is arranged in the pin seat extending from top to bottom, and the side surface of the movable pin is fixed relative to the pin seat through a locking screw; a limiting pin is further inserted into the front side face of the pin boss and penetrates through the sliding block body forwards, and a limiting groove for the limiting pin to move up and down is formed in the sliding block body; the bottom of the pin seat is also provided with a sliding groove along the front-back direction.

The locking assembly is structurally characterized in that: the bolt is arranged on the top surface of the sliding block component from top to bottom, a locking piece is sleeved on the bolt above the sliding block component, and a second torsion spring for resetting the locking piece is sleeved on the bolt; the locking piece swings by taking the bolt as an axis, and the outer end head of the locking piece is pressed on the movable pin assembly.

The sliding block assembly is sleeved on the screw rod, and the screw rod and the sliding block assembly are assembled in a spiral pair mode.

The sliding block body penetrating through the sliding block component from front to back is fixedly provided with a bushing, and the inner circumference of the bushing is sleeved on the screw rod and is matched with the screw pair.

The utility model has the advantages as follows:

the utility model has compact and reasonable structure and convenient operation, combines the automatic switching of the sliding block component in the empty and load at the two ends of the track by the reciprocating motion of the sliding block component in the track, and can help realize the automatic rotation of the seat and provide reliable power for the rotation of the seat;

the utility model discloses still include following advantage:

the gear block pushes the lever assembly to rotate relative to the sliding block body, the movable pin assembly is driven by the lever assembly to contract downwards and is pressed and locked above by the returned locking assembly, and the movable pin assembly is prevented from moving upwards; when the locking piece of the locking assembly is pushed away from the movable pin assembly by the push tongue, the lever assembly returns to the original position and pushes the movable pin assembly to extend upwards, so that when the sliding block assembly reciprocates in the track, automatic switching between empty and load is realized, and the structure is novel and ingenious.

Drawings

Fig. 1 is a schematic structural diagram (load state) of the present invention.

Fig. 2 is a schematic structural diagram (no-load state) of the present invention.

Fig. 3 is a schematic structural diagram of the sliding block assembly of the present invention.

Fig. 4 is an exploded view of fig. 3.

Fig. 5 is a schematic view of the present invention used in the seat rotation.

Wherein: 1. a small motor; 2. a track; 3. a screw rod; 4. a stop block; 5. pushing the tongue; 6. a slider assembly; 7. a turntable assembly; 8. fixing the disc; 9. supporting the rotating assembly;

61. a slider body; 62. a lever assembly; 63. a spacing pin; 64. a locking assembly; 65. a movable pin assembly; 66. a bushing;

611. a limiting groove; 621. a slide pin; 622. a lever; 623. a first torsion spring; 624. a rotating shaft; 641. a bolt; 642. a second torsion spring; 643. a locking member; 651. a movable pin; 652. a pin boss; 653. locking screws; 6521. a sliding groove;

71. rotating the disc; 72. a corner fitting; 722. a long groove.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 and fig. 2, the carrying mechanism capable of automatically switching between empty and load of the embodiment includes a rail 2, a slider assembly 6 is installed in the rail 2, the slider assembly 6 reciprocates along the length direction of the rail 2 under the driving of power, and a first switching structure and a second switching structure are respectively arranged on the inner side surfaces of two ends of the rail 2; the top surface of the sliding block component 6 is provided with a movable pin component 65 which can stretch up and down, the first switching structure enables the movable pin component 65 to extend upwards and keep after contacting the sliding block component 6, and the second switching structure enables the movable pin component 65 to retract downwards and keep after contacting the sliding block component 6; through the reciprocating motion of the sliding block assembly 6 in the track 2, in combination with the automatic switching of the idle load and the load of the sliding block assembly 6 at the two end parts of the track 2, the automatic rotation of the seat is realized by assistance, and reliable power is provided for the rotation of the seat.

The top of the sliding block component 6 is provided with a locking component 64 and a movable pin component 65 in parallel, a first switching structure is a push tongue 5, and a second switching structure is a stop block 4; the movable pin assembly 65 is locked by the locking assembly 64 after being retracted downward, and the pushing tongue 5 pushes the locking assembly 64 to release its lock on the movable pin assembly 65, so that the movable pin assembly 65 is extended upward and engaged with an external load.

As shown in fig. 3 and 4, the slider assembly 6 has the following structure: the sliding block mechanism comprises a sliding block body 61, a lever assembly 62 is rotatably arranged on the sliding block body 61, the lower end of the lever assembly 62 extends out of the sliding block body 61, and a movable pin assembly 65 is slidably arranged at the top end of the lever assembly 62; the bottom end of the lever assembly 62 is contacted with the stop block 4, so that the lever assembly 62 rotates relative to the slider body 61, and the top end of the lever assembly 62 slides back and forth relative to the movable pin assembly 65 and drives the lever assembly to move up and down; a locking assembly 64 is also mounted to the top surface of the slider body 61 outside the side of the movable pin assembly 65.

The gear block 4 pushes the lever assembly 62 to rotate relative to the slider body 61, the movable pin assembly 65 is driven by the lever assembly 62 to contract downwards and is pressed and locked by the returned locking assembly 64 above, and the movable pin assembly 65 is prevented from moving upwards; when the lock member 643 of the lock assembly 64 is pushed away from the movable pin assembly 65 by the push tongue 5, the lever assembly 62 is rotated back and pushes the movable pin assembly 65 to extend upward, thereby achieving automatic switching between the empty and the loaded state when the slider assembly 6 reciprocates in the track 2.

The structure of the lever assembly 62 is: the sliding block mechanism comprises a rotating shaft 624 inserted on the sliding block body 61, a lever 622 is sleeved on the rotating shaft 624, the rotating shaft 624 is arranged in the middle of the lever 622, a sliding pin 621 is fixedly arranged at the top of the lever 622, the sliding pin 621 is clamped in a sliding groove 6521 and slides back and forth along the sliding groove, and the bottom of the lever 622 protrudes downwards out of the sliding block body 61; a first torsion spring 623 for resetting the lever 622 is further sleeved on the rotating shaft 624.

The movable pin assembly 65 is configured as follows: the sliding block comprises a pin seat 652 which is movably embedded in the sliding block body 61 from top to bottom, a movable pin 651 is installed in the pin seat 652 by extending from top to bottom, and the side surface of the movable pin 651 is fixed relative to the pin seat 652 through a locking screw 653; a limit pin 63 is also inserted into the front side surface of the pin seat 652, the limit pin 63 penetrates through the sliding block body 61 forwards, and a limit groove 611 for the limit pin 63 to move up and down is formed in the sliding block body 61; the pin base 652 is also formed with a slide groove 6521 along the front-rear direction.

The locking assembly 64 is structured as follows: the sliding block mechanism comprises a bolt 641 installed on the top surface of the sliding block assembly 6 from top to bottom, a locking piece 643 is sleeved on the bolt 641 above the sliding block assembly 6, and a second torsion spring 642 used for resetting the locking piece 643 is sleeved on the bolt 641; the lock member 643 swings around the bolt 641 as an axis, and the outer end of the lock member 643 is press-fitted to the movable pin unit 65.

A screw rod 3 which rotates relative to the rail 2 is installed in the rail 2 along the length direction, one end of the screw rod 3 extends out of the rail 2, the end part of the screw rod 3 positioned outside the rail 2 is connected with a small motor 1, a sliding block assembly 6 is sleeved on the screw rod 3, and the screw rod 3 and the sliding block assembly are assembled in a spiral pair mode.

The sliding block body 61 penetrating the sliding block component 6 from front to back is fixedly provided with a bush 66, and the inner circumference of the bush 66 is sleeved on the screw rod 3 and is matched in a screw pair manner.

The utility model discloses a theory of operation does:

when the small motor 1 works, the screw rod 3 rotates to drive the sliding block assembly 6 to axially move along the screw rod 3;

when the slider assembly 6 moves to one end of the track 2 provided with the push tongue 5, the push tongue 5 pushes the locking piece 643 in the locking assembly 64 away from the top surface of the pin seat 652 of the movable pin assembly 65, the second torsion spring 642 deforms, the first torsion spring 623 in the lever assembly 62 drives the lever 622 to return, the lever 622 rotates relative to the slider body 61 and then pushes the movable pin assembly 65 upwards through the slide pin 621, the slide pin 621 slides in the slide groove 6521 relative to the pin seat 652, and the movable pin 651 extends upwards;

when the slider assembly 6 moves to the end of the track 2 where the stopper 4 is disposed, the stopper 4 acts on the lower portion of the lever 622 of the lever assembly 62, so that the lever 622 rotates relative to the slider body 61 around the rotating shaft 624 as an axis, the first torsion spring 623 deforms, the lever 622 pulls the movable pin assembly 65 downward through the sliding pin 621 on the upper portion, the sliding pin 621 slides in the sliding groove 6521 in the opposite direction relative to the pin holder 652, the movable pin 651 contracts downward, the locking member 643 of the locking assembly 64 returns to the original position under the action of the second torsion spring 642, the locking member 643 rotates above the pin holder 652 of the movable pin assembly 65 around the bolt 641 as an axis, and the movable pin assembly 65 is prevented from moving upward, i.e., the movable pin assembly 65 is locked.

The utility model is used for car seat pivoted principle does:

as shown in fig. 5, the two sets of carrying mechanisms are oppositely arranged at two sides of the fixed tray 8, and the turntable assembly 7 is rotatably arranged above the fixed tray 8 through the supporting and rotating assembly 9; the turntable assembly 7 comprises a rotating disc 71, corner pieces 72 are welded at four corners of the bottom surface of the rotating disc 71, and long grooves 722 are formed in the single corner piece 72 along the diagonal direction of the rotating disc 71; when the movable pin assembly 65 extends upwards and is inserted into the long groove 722 of one corner piece 72, in the process that the slider assembly 6 moves along the length direction of the track 2, the slider assembly 6 pulls the turntable assembly 7 to rotate relative to the fixed disc 8 through the movable pin assembly 65, and in the process, the movable pin 651 of the movable pin assembly 65 moves relatively along the length direction of the long groove 722 of the corner piece 72;

when a group of sliding block assemblies 6 moves from one end of the track 2 provided with the pushing tongue 5 to one end provided with the stop block 4 under a load state, the rotating disc assembly 7 rotates by 90 degrees relative to the fixed disc 8, and the sliding block assemblies 6 are switched from the load state to a no-load state and move in the opposite direction; meanwhile, the other group of sliding block assemblies 6 move from the end, provided with the stop block 4, corresponding to the track 2 to the end provided with the push tongue 5 in the no-load state, and are switched from the no-load state to the load state to move reversely;

the sliding block assemblies 6 of the two groups of carrying mechanisms synchronously move in the same direction and are alternatively inserted into the rotary disc assemblies 7 to drive the rotary disc assemblies 7 to rotate, so that the automatic rotation of the rotary disc assemblies 7 is realized.

The utility model discloses novel structure, whole small and exquisite flexibility, the activity is reliable, and degree of automation is high, can provide reliable power for the rotation of seat, and the helping hand is rotatory in the automation that realizes the seat.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides an empty, transport mechanism that load automatic switch-over which characterized in that: the device comprises a track (2), wherein a sliding block assembly (6) is installed in the track (2), the sliding block assembly (6) is driven by power to reciprocate along the length direction of the track (2), and the inner side surfaces of two ends of the track (2) are respectively provided with a first switching structure and a second switching structure; the top surface of the sliding block assembly (6) is provided with a movable pin assembly (65) which stretches up and down, the switching structure I enables the movable pin assembly (65) to extend upwards and keep after contacting the sliding block assembly (6), and the switching structure II enables the movable pin assembly (65) to retract downwards and keep after contacting the sliding block assembly (6).

2. The empty/load automatic switching handling mechanism according to claim 1, wherein: the top of the sliding block component (6) is provided with a locking component (64) and a movable pin component (65) in parallel, the first switching structure is a push tongue (5), and the second switching structure is a stop block (4); the movable pin assembly (65) is locked by the locking assembly (64) after being retracted downwards, and the pushing tongue (5) pushes the locking assembly (64) to unlock the movable pin assembly (65), so that the movable pin assembly (65) extends upwards and is connected with an external load.

3. The empty/load automatic switching handling mechanism according to claim 2, wherein: the structure of the sliding block component (6) is as follows: the sliding block comprises a sliding block body (61), a lever assembly (62) is rotatably arranged on the sliding block body (61), the lower end of the lever assembly (62) extends out of the sliding block body (61), and a movable pin assembly (65) is slidably arranged at the top end of the lever assembly (62); the bottom end of the lever assembly (62) is contacted with the gear block (4), so that the lever assembly (62) rotates relative to the sliding block body (61), and the top end of the lever assembly (62) slides back and forth relative to the movable pin assembly (65) and drives the movable pin assembly to move up and down; a locking assembly (64) is also mounted on the top surface of the slider body (61) outside the side of the movable pin assembly (65).

4. The empty/load automatic switching handling mechanism according to claim 3, wherein: the lever assembly (62) has the structure that: the sliding block mechanism comprises a rotating shaft (624) inserted on a sliding block body (61), a lever (622) is sleeved on the rotating shaft (624), the rotating shaft (624) is installed in the middle of the lever (622), a sliding pin (621) is fixedly installed at the top of the lever (622), the sliding pin (621) is clamped in a sliding groove (6521) and slides back and forth along the sliding groove, and the bottom of the lever (622) protrudes downwards out of the sliding block body (61); the rotating shaft (624) is also sleeved with a first torsion spring (623) which enables the lever (622) to reset.

5. The empty/load automatic switching handling mechanism according to claim 3, wherein: the movable pin assembly (65) is structured as follows: the sliding block comprises a pin seat (652) which is movably embedded in a sliding block body (61) from top to bottom, a movable pin (651) is installed in the pin seat (652) which extends from top to bottom, and the side surface of the movable pin (651) is fixed relative to the pin seat (652) through a locking screw (653); a limit pin (63) is further inserted into the front side face of the pin seat (652), the limit pin (63) penetrates through the sliding block body (61) forwards, and a limit groove (611) for the limit pin (63) to move up and down is formed in the sliding block body (61); the bottom of the pin seat (652) is also provided with a sliding groove (6521) along the front-back direction.

6. The empty/load automatic switching handling mechanism according to claim 2, wherein: the locking assembly (64) is structured as follows: the sliding block assembly comprises a bolt (641) installed on the top surface of a sliding block assembly (6) from top to bottom, a locking piece (643) is sleeved on the bolt (641) positioned above the sliding block assembly (6), and a second torsion spring (642) used for resetting the locking piece (643) is further sleeved on the bolt (641); the locking piece (643) swings around the bolt (641) as an axis, and the outer end head of the locking piece (643) is pressed on the movable pin assembly (65).

7. The empty/load automatic switching handling mechanism according to claim 1, wherein: the screw rod (3) rotating relative to the rail (2) is installed in the rail (2) along the length direction, one end of the screw rod (3) extends out of the rail (2), the end part of the screw rod (3) positioned outside the rail (2) is connected with the small motor (1), the sliding block assembly (6) is sleeved on the screw rod (3), and the screw rod assembly and the sliding block assembly are assembled in a spiral pair mode.

8. The empty/load automatic switching handling mechanism according to claim 7, wherein: a bush (66) is fixedly arranged on a sliding block body (61) which penetrates through the sliding block assembly (6) from front to back, and the inner circumference of the bush (66) is sleeved on the screw rod (3) and is matched in a spiral pair mode.