CN209111985U

CN209111985U - Rotary seat

Info

Publication number: CN209111985U
Application number: CN201822025886.1U
Authority: CN
Inventors: 吕晓东; 吴香明; 刘燕波; 王珂; 刘绪富
Original assignee: Weihai Guangtai Airport Equipment Co Ltd
Current assignee: Weihai Guangtai Airport Equipment Co Ltd
Priority date: 2018-12-04
Filing date: 2018-12-04
Publication date: 2019-07-16
Anticipated expiration: 2028-12-04

Abstract

The utility model discloses a kind of rotary seats, it includes seat and pedestal, it is characterized in that further including seat support, revolving support, limiting plate, rotary shaft, handle, bent plate, connecting plate, pin shaft, socket, bolt and spring, revolving support lower end is connect with pedestal, upper end is connect with seat, revolving support inner ring is equipped with rotary shaft, pedestal is equipped with limiting plate, limiting plate is equipped with limit hole, delineation connects in rotary shaft and revolving support, rotary shaft one end is connect with handle, the rotary shaft of circle center is equipped with bent plate in revolving support, bent plate one end and rotation axis connection, the other end is connect through pin shaft with connecting plate, the connecting plate other end is connect with bolt, bolt is inserted in socket centre bore, spring and top spring coil are cased on bolt, spring upper end is inconsistent with positioning ring, lower end and top spring coil are inconsistent, push up spring coil periphery Be slidably connected with socket centre bore, have many advantages, such as structure novel, be simple and convenient to operate, fast, unfailing performance it is high.

Description

Rotary seat

Technical field

It is specifically a kind of for the rotation with bidirectional driving function the utility model relates to engineering truck technical field Swivel base chair.

Background technique

It is well known that large-scale engineering machinery, such as forklift, wheel holding aircraft tractor, operating condition is more special, reversing or It turns around relatively difficult, therefore, many engineering trucks have the function of bidirectional driving, and the realization of bidirectional driving room just needs a kind of structure Simply, the rotary seat of high reliablity.

Summary of the invention

The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, provides a kind of structure novel, simple, operation side Just, fast, the high rotary seat of unfailing performance.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of rotary seat, including seat and pedestal, it is characterised in that further include seat support, revolving support, limit bottom Seat, rotary shaft, handle, bent plate, connecting plate, pin shaft, socket, bolt and spring, the revolving support is through outer ring lower end and bottom Seat is fixedly connected, and is fixedly connected through inner ring upper end with seat, and circle center is equipped with rotary shaft, the revolution branch in the revolving support Limiting plate is fixed on pedestal in support, in the limiting plate circumference array be equipped with limit hole, the rotary shaft with return Turn support inner ring to be fixedly connected, described rotary shaft one end is fixedly connected after extending on the outside of inner ring with handle, the revolving support The rotary shaft of interior circle center is equipped with bent plate, and bent plate one end is fixedly connected with rotary shaft, and the other end on pin shaft and connecting plate through setting Some strip holes are slidably connected, and the connecting plate other end is vertical with bolt to be fixedly connected, and the bolt is inserted in socket center Kong Zhong is cased with spring and top spring coil on the bolt, and the spring upper end and the positioning ring that socket upper end is equipped with are inconsistent, under End and top spring coil are inconsistent, and the top spring coil periphery is slidably connected with socket centre bore, the socket upper end and revolution branch The cover board for supportting inner ring upper end is corresponding, and when engineering truck will move backward or turn around, driver's rotating handle drives rotary shaft rotation, rotation Shaft drives bent plate rotation, and bent plate drives connecting plate above to mention, and connecting plate drives socket and bolt to move up, socket top to revolution Support inner ring on along rear, bolt through top spring coil along socket centre hole axis to moving up and pressuring spring, at this point, bolt lower end Leave limit hole, and as rotary shaft rotates to release handle after required angle, bent plate return, the pin shaft edge of the bent plate other end The strip hole that is equipped with of connecting plate it is mobile, meanwhile, under the action of the spring, bolt moves down and is inserted into corresponding limit hole It is interior, have the function that easy to operate, reliable performance.

The utility model can be equipped with rotary stopper block counterclockwise in the limiting plate and rotate clockwise limited block, The bent plate side is equipped with postive stop baffle, the postive stop baffle and rotary stopper block counterclockwise or to rotate clockwise limited block opposite It answers, when postive stop baffle, which touches, to be gone to rotary stopper block counterclockwise or rotate clockwise limited block, then proves that seat rotates to Counterclockwise or clockwise extreme position, to realize the limit spacing of seat.

The utility model due to using the above structure, have structure novel, be simple and convenient to operate, fast, unfailing performance it is high The advantages that.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the structural schematic diagram of limiting bracket and pedestal in the utility model.

Fig. 3 is longitudinal complete section structural schematic diagram of Fig. 1.

Fig. 4 is the cross-sectional view of Fig. 3.

Appended drawing reference: seat 1,2 seat support 3 of pedestal, revolving support 4, limiting plate 5, rotary shaft 6, handle 7, bent plate 8, connecting plate 9, pin shaft 10, socket 11, bolt 12 and spring 13 push up 14 positioning ring of spring coil 15,16 and of rotary stopper block counterclockwise Rotate clockwise 17 postive stop baffle 18 of limited block.

Specific embodiment

The present invention will be further described with reference to the accompanying drawing:

As shown in the picture, a kind of rotary seat, including seat 1 and pedestal 2, it is characterised in that further include seat support 3, return Turn support 4, limiting plate 5, rotary shaft 6, handle 7, bent plate 8, connecting plate 9, pin shaft 10, socket 11, bolt 12 and spring 13, The revolving support 4 is fixedly connected through outer ring lower end with pedestal 2, is fixedly connected through inner ring upper end with seat 1, the revolving support Circle center is equipped with rotary shaft 6 in 4, is fixed with limiting plate 5 on the pedestal in the revolving support 4, in the limiting plate 5 Circumference array is equipped with limit hole, and the rotary shaft 6 is fixedly connected with 4 inner ring of revolving support, and described 6 one end of rotary shaft extends to interior Circle outside after be fixedly connected with handle 7, in the revolving support 4 rotary shaft 6 of circle center be equipped with bent plate 8,8 one end of bent plate with Rotary shaft 6 is fixedly connected, and the strip hole that the other end is equipped with through pin shaft 10 with connecting plate 9 is slidably connected, and the connecting plate 9 is another End is vertical with bolt 12 to be fixedly connected, and the bolt 12 is inserted in 11 centre bore of socket, is cased with spring 13 on the bolt 10 With top spring coil 14,13 upper end of spring and the positioning ring 15 that 11 upper end of socket is equipped with are inconsistent, lower end and top 14 phase of spring coil It contradicts, 14 periphery of top spring coil is slidably connected with 11 centre bore of socket, 11 upper end of socket and 4 inner ring of revolving support The cover board of upper end is corresponding, and when engineering truck will move backward or turn around, driver's rotating handle drives rotary shaft rotation, rotary shaft band Dynamic bent plate rotation, bent plate drive connecting plate above to mention, and connecting plate drives socket and bolt to move up, in socket top to revolving support Along rear on circle, bolt through top spring coil along socket centre hole axis to moving up and pressuring spring, at this point, limit is left in bolt lower end Position hole, and as rotary shaft rotates to release handle after required angle, bent plate return, the pin shaft of the bent plate other end is along connection The strip hole that plate is equipped with is mobile, meanwhile, under the action of the spring, bolt is moved down and is inserted into corresponding limit hole, is reached Easy to operate, reliable performance effect.

The utility model can be equipped with rotary stopper block 16 counterclockwise in the limiting plate 5 and rotate clockwise limited block 17,8 side of bent plate is equipped with postive stop baffle 18, the postive stop baffle 18 and rotary stopper block 16 counterclockwise or rotates clockwise Limited block 17 is corresponding, goes to rotary stopper block 16 counterclockwise when postive stop baffle 18 touches or rotates clockwise limited block 17 When, then prove that seat 1 rotates to counterclockwise or clockwise extreme position, to realize the limit spacing of seat 1.

Claims

1. a kind of rotary seat, including seat and pedestal, it is characterised in that further include seat support, revolving support, limiting plate, Rotary shaft, handle, bent plate, connecting plate, pin shaft, socket, bolt and spring, the revolving support are solid through outer ring lower end and pedestal Fixed connection, is fixedly connected through inner ring upper end with seat, and circle center is equipped with rotary shaft in the revolving support, in the revolving support Pedestal on be fixed with limiting plate, in the limiting plate circumference array be equipped with limit hole, the rotary shaft and revolution branch Support inner ring is fixedly connected, and described rotary shaft one end is fixedly connected after extending on the outside of inner ring with handle, the revolving support inner ring The rotary shaft at center is equipped with bent plate, and bent plate one end is fixedly connected with rotary shaft, and the other end is equipped with through pin shaft and connecting plate Strip hole is slidably connected, and the connecting plate other end is vertical with bolt to be fixedly connected, and the bolt is inserted in socket centre bore, Be cased on the bolt spring and top spring coil, the spring upper end and the positioning ring that socket upper end is equipped with are inconsistent, lower end and Top spring coil is inconsistent, and the top spring coil periphery is slidably connected with socket centre bore, in the socket upper end and revolving support The cover board for enclosing upper end is corresponding.

2. a kind of rotary seat according to claim 1, it is characterised in that the limiting plate is equipped with rotation counterclockwise Turn limited block and rotate clockwise limited block, the bent plate side is equipped with postive stop baffle, the postive stop baffle and counterclockwise rotation Limited block or to rotate clockwise limited block corresponding.