CN209541597U

CN209541597U - A kind of back door rotating device

Info

Publication number: CN209541597U
Application number: CN201822205870.9U
Authority: CN
Inventors: 程乐; 沈会
Original assignee: SHANGHAI ZIYAN MOULD CO Ltd
Current assignee: SHANGHAI ZIYAN MOULD CO Ltd
Priority date: 2018-12-26
Filing date: 2018-12-26
Publication date: 2019-10-25
Anticipated expiration: 2028-12-26

Abstract

The utility model discloses a kind of back door rotating devices comprising sliding floor, rotating bottom board, rotating mechanism and retaining mechanism；The rotating mechanism is set between the sliding floor and rotating bottom board, including several rolling bearings, several rolling bearings be fixed on the sliding floor and it is rounded be uniformly distributed, the upper end of the rolling bearing is contacted with the rotating bottom board；The retaining mechanism, including locking pedestal, stud, handle and limit card block；The locking pedestal is fixed on the sliding floor and is equipped with screw hole；The stud passes through the rotating bottom board, and lower end is corresponding with the screw hole, and upper end is connect with the handle；The handle lower section is equipped with toroidal cavity, and the limit card block is fixed on above the rotating bottom board and upper end is protruded into the groove.The back door rotary device structure of the utility model is simple, at low cost, operation is easy for installation, is convenient for measuring debugging, is reproducible.

Description

A kind of back door rotating device

Technical field

The utility model belongs to automobile gauge technical field, and in particular to a kind of back door rotating device.

Background technique

The operator of integral vehicle main model checking fixture can slip off backward back door module, so in the rear operating of master cast And the module top of back door has one section and is suspended in the air, and back holding door module can be encountered when operator comes back below, Cause safety accident.And original back door rotating device, using one large-scale end thrust ball bearing, manufacturing cost is high, maintenance It is difficult and less reproducible.

Utility model content

Therefore, for back door module in the prior art, there are security risks, and rotating device manufacturing cost is high, maintenance is tired Difficult and less reproducible technical problem, the purpose of this utility model is to provide one kind can effectively reduce security risk, cost It is low, repeatable accuracy is good, the back door rotating device of structure space is effectively reduced.

The back door rotating device of the utility model includes: comprising: sliding floor, rotating bottom board, rotating mechanism and lock Tight mechanism；

The rotating mechanism is set between the sliding floor and rotating bottom board, including several rolling bearings, described several Rolling bearing respectively by bearing block setting be fixed on the sliding floor and it is rounded be uniformly distributed, the rolling bearing Upper end is contacted with the rotating bottom board；Using the center of circle of circle where several rolling bearings as axis of rotation, the rotating bottom board It can be rotated around the axis of rotation；

The retaining mechanism, including locking pedestal, stud, handle and limit card block；The locking pedestal is fixed on described On sliding floor and it is equipped with screw hole；The stud passes through the rotating bottom board, and lower end is corresponding with the screw hole, upper end and described Hand connection；The handle lower section is equipped with toroidal cavity, and the limit card block is fixed on above the rotating bottom board and upper end is stretched Enter in the groove.

Preferably, the rolling bearing quantity is four to eight, preferably six.

Preferably, the back door rotating device is additionally provided at least one set of push clamp retaining mechanism, the locking of push clamp described in every group Mechanism includes a upper fixed seat and at least one corresponding lower fixed seat normal thereto, and fixed seat is passed through and is fixed on On the rotating bottom board, fixed seat is equipped with vertical perforation, is equipped with positioning pin, the positioning pin upper end in the perforation It is connected with push clamp；The lower fixed seat is fixed on the sliding floor and is equipped with location hole corresponding with the positioning pin.

It is further preferred that the push clamp retaining mechanism is equipped with two groups, push clamp retaining mechanism described in every group includes an institute State upper fixed seat and two corresponding lower fixed seats normal thereto, and the midpoint of two lower fixed seat lines with it is described Axis of rotation is overlapped.

Preferably, the back door rotating device is additionally provided with block mechanism, including upper stopper and two lower stoppers, it is described on Block is fixed on the lower surface of the rotating bottom board, and the lower stopper is fixed on the upper surface of the sliding floor, the upper gear Block and lower stopper vertical direction dislocation, the upper stopper and the lower stopper are in using the axis of rotation as the same of the center of circle On one circle, and two pieces of lower stoppers are located at the both ends of the movement travel of the upper stopper.

Preferably, the back door rotating device is additionally provided at least one set of locating piece mechanism, locating piece mechanism described in every group Including a upper locating piece and at least one lower locating piece；The upper locating piece is fixed on the lower surface of the rotating bottom board, institute The upper surface that lower locating piece is fixed on sliding floor is stated, the upper locating piece and lower locating piece correspond in vertical direction.

It is further preferred that the locating piece mechanism has four groups, every group includes described in a upper locating piece and two The midpoint of lower locating piece, the line of two lower locating pieces is overlapped with the axis of rotation.

Preferably, the limit card block vertically bend it is S-shaped.

The utility model has the beneficial effects that:

The back door rotary device structure of the utility model is simple, at low cost, operation is easy for installation, be convenient for measuring debugging, It is reproducible.It solves in the past when vehicle master cast tail portion is operated, head can encounter back holding door module when people stands up And cause safety accident.Safety when operation integral vehicle main model checking fixture is greatly improved, operator's labor intensity is alleviated.

Detailed description of the invention

Fig. 1 is the assembling schematic diagram of the utility model back door rotating device；

Fig. 2 is each component distribution schematic diagram of the utility model back door rotating device；

Fig. 3 is the cut away view of the push clamp retaining mechanism of the utility model back door rotating device.

Appended drawing reference

Sliding floor 1, rotating bottom board 2, rolling bearing 3, locking pedestal 4, handle 5, limit card block 6, upper stopper 7, lower block Block 8, upper locating piece 9, lower locating piece 10, push clamp 11, positioning pin 12, upper fixed seat 13, lower fixed seat 14.

Specific embodiment

Below in conjunction with specific embodiment, the utility model is described in further detail.It should be understood that following embodiment is only used for Bright the utility model is not for restriction the scope of the utility model.

Embodiment 1

Fig. 1 show the back door rotating device of one preferred embodiment of the utility model comprising sliding floor 1, rotation Bottom plate 2, rotating mechanism, retaining mechanism, block mechanism, push clamp retaining mechanism and locating piece mechanism.

Rotating mechanism is set between sliding floor 1 and rotating bottom board 2, as shown in Fig. 2, rotating mechanism includes six axis of rolling Hold 3, six rolling bearings 3 be fixed on sliding floor 1 by bearing block setting respectively and it is rounded be uniformly distributed, rolling bearing 3 upper end is contacted with rotating bottom board 2；Using the center of circle of circle where six rolling bearings 3 as axis of rotation, rotating bottom board 2 can be surrounded Axis of rotation rotation.

Retaining mechanism is set to axis of rotation position, including locking pedestal 4, stud, handle 5 and limit card block 6；Lock pedestal 4 are fixed on sliding floor 1 and are equipped with screw hole；Stud passes through rotating bottom board 2, and lower end is corresponding with screw hole, and upper end and handle 5 connect It connects；5 lower section of handle is equipped with toroidal cavity, and limit card block 6 is fixed on above rotating bottom board, and limit card block 6 is vertically bent into S-shaped And upper end is protruded into groove.

Block mechanism, push clamp retaining mechanism, locating piece mechanism be located at using axis of rotation as the center of circle difference circle on, i.e., It is successively mutually staggeredly arranged from inside to outside.

Wherein, block mechanism includes that one piece of upper stopper 7 and two pieces of lower stoppers 8, upper stopper 7 are fixed under rotating bottom board 2 Surface, two pieces of lower stoppers 8 are fixed on the upper surface of sliding floor 1, and upper stopper 7 and lower stopper 8 are in using axis of rotation as the center of circle Same circle on, upper stopper 7 and 8 vertical direction of lower stopper dislocation.

Locating piece mechanism has four groups, and every group includes a upper locating piece 9 and two corresponding lower locating pieces 10 normal thereto, Upper locating piece 9 is fixed on the lower surface of rotating bottom board 2, lower locating piece 10 be fixed on the upper surface of sliding floor 1 and with upper positioning Block 9 corresponds in vertical direction, and the midpoint of the line of two lower locating pieces 10 is overlapped with axis of rotation.

Push clamp retaining mechanism has two groups, and every group includes a upper fixed seat 13 and two corresponding lower fixed seats normal thereto 14.As shown in figure 3, upper fixed seat 13 is passed through and is fixed on rotating bottom board 2, upper fixed seat 13 is equipped with vertical perforation, perforation In be equipped with positioning pin 12,12 upper end of positioning pin is connected with push clamp 11；Lower fixed seat 14 is fixed on sliding floor 1 and is equipped with and determines The position corresponding location hole of pin 12, and the midpoint of two 14 lines of lower fixed seat is overlapped with axis of rotation.

The back door rotating device working condition conversion of the utility model includes following scenario described.

Working condition (before rotation): the push clamp 11 in closure push clamp retaining mechanism, positioning pin 12 are inserted into lower fixed seat 14 In location hole, for positioning X and Y-direction；At this point, the lower locating piece 10 in locating piece supports upper locating piece 9, retaining mechanism is tightened In handle 5 make bolt enter locking pedestal 4 screw hole in, for positioning Z-direction.

Working condition is to off working state (in rotary course): opening the push clamp 11 in push clamp retaining mechanism, positioning pin 12 The location hole of lower fixed seat 14 is left, positioning pin 12 and lower fixed seat 14 are detached from, unscrew and lock pedestal 4 and handle in retaining mechanism Hand 5 cooperates, and the lower locating piece 10 and upper locating piece 9 in locating piece mechanism separate.Rotating bottom board 2 is rotated 180 °, upper locating piece 9 The top of locating piece 10 under another in same group is moved to, the handle 5 in retaining mechanism and locking pedestal 4 do not separate, limiting card Block 6 moves in the groove of handle 5, and the angle of upper stopper 7 and 8 pairs of lower stopper rotations in block mechanism limits, and makes to revolve Corner is equal to 180 °, and positioning pin 12 moves to another 14 top of lower fixed seat in same group.The handle 5 tightened in retaining mechanism makes Bolt enters in the screw hole of locking pedestal 4, and the lower locating piece 10 in locating piece mechanism supports upper locating piece 9, closure push clamp lock Push clamp 11 in tight mechanism, positioning pin 12 are inserted into the location hole of lower fixed seat 14, fixed back door rotating device.Because skilful Wonderful devises position location, will not interfere during rotation, and upper fixed seat 13 and lower fixed seat 14 be ball with The point contact of plane, frictional force when upper fixed seat 13 and lower fixed seat 14 can be made substantially to reduce rotation, facilitates operation.

Off working state (after rotation 180 degree): the push clamp 11 in closure push clamp retaining mechanism, positioning pin 12 are inserted into another with group In the location hole of one lower fixed seat 14, for positioning X and Y-direction；At this point, same group of another lower locating piece 10 in locating piece Locating piece 9 in support are tightened on the handle 5 to locking pedestal 4 in retaining mechanism, for positioning the direction Z.

The preferred embodiment created to the utility model above is illustrated, but the utility model is created not It is limited to embodiment, those skilled in the art are various etc. without prejudice to can also make under the utility model precondition for innovation Same variation or replacement, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.

Claims

1. a kind of back door rotating device, characterized in that it comprises: sliding floor (1), rotating bottom board (2), rotating mechanism and Retaining mechanism；

The rotating mechanism is set between the sliding floor (1) and rotating bottom board (2), including several rolling bearings (3), described Several rolling bearings (3) respectively by bearing block setting be fixed on the sliding floor (1) and it is rounded be uniformly distributed, it is described The upper end of rolling bearing (3) is contacted with the rotating bottom board (2)；The center of circle with circle where several rolling bearings (3) is rotation The shaft heart, the rotating bottom board (2) can rotate around the axis of rotation；

The retaining mechanism, including locking pedestal (4), stud, handle (5) and limit card block (6)；The locking pedestal (4) is solid It is scheduled on the sliding floor (1) and is equipped with screw hole；The stud passes through the rotating bottom board (2), lower end and the screw hole pair It answers, upper end is connect with the handle (5)；Handle (5) lower section is equipped with toroidal cavity, and the limit card block (6) is fixed on The rotating bottom board (2) is above and upper end is protruded into the groove.

2. back door rotating device according to claim 1, which is characterized in that it is additionally provided at least one set of push clamp locking machine Structure, push clamp retaining mechanism described in every group include a upper fixed seat (13) and at least one corresponding lower fixed seat normal thereto (14), fixed seat (13) passes through and is fixed on the rotating bottom board (2), and fixed seat (13) is equipped with vertical It perforates, is equipped with positioning pin (12) in the perforation, positioning pin (12) upper end is connected with push clamp (11)；The lower fixed seat (14) It is fixed on the sliding floor (1) and is equipped with location hole corresponding with the positioning pin (12).

3. back door rotating device according to claim 2, which is characterized in that the push clamp retaining mechanism is equipped with two groups, Push clamp retaining mechanism described in every group includes a fixed seat (13) and two corresponding lower fixed seats normal thereto (14), and the midpoint of two lower fixed seat (14) lines is overlapped with the axis of rotation.

4. back door rotating device according to claim 1, which is characterized in that the back door rotating device is additionally provided with gear Block mechanism, including upper stopper (7) and two lower stoppers (8), the upper stopper (7) are fixed on the following table of the rotating bottom board (2) Face, the lower stopper (8) are fixed on the upper surface of the sliding floor (1), and the upper stopper (7) and the lower stopper (8) are hung down To dislocation, the upper stopper (7) and the lower stopper (8) are in using the axis of rotation as on the same circle in the center of circle histogram, and Two pieces of lower stoppers (8) are located at the both ends of the movement travel of the upper stopper (7).

5. back door rotating device according to claim 1, which is characterized in that the back door rotating device be additionally provided with to Few one group of locating piece mechanism, locating piece mechanism described in every group include one upper locating piece (9) and at least one lower locating piece (10)； The upper locating piece (9) is fixed on the lower surface of the rotating bottom board (2), and the lower locating piece (10) is fixed on sliding floor (1) upper surface, the upper locating piece (9) and lower locating piece (10) correspond in vertical direction.

6. back door rotating device according to claim 5, which is characterized in that the locating piece mechanism has four groups, every group Including a upper locating piece (9) and two lower locating pieces (10), in the line of two lower locating pieces (10) Point is overlapped with the axis of rotation.

7. back door rotating device according to any one of claims 1 to 6, which is characterized in that the limit card block is vertically curved It rolls over S-shaped.