CN206277977U - A kind of rotary positioning structure for bus seat - Google Patents
A kind of rotary positioning structure for bus seat Download PDFInfo
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- CN206277977U CN206277977U CN201621455105.7U CN201621455105U CN206277977U CN 206277977 U CN206277977 U CN 206277977U CN 201621455105 U CN201621455105 U CN 201621455105U CN 206277977 U CN206277977 U CN 206277977U
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- seat
- locating rod
- rotating stand
- rotary
- hole
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Abstract
The utility model provides a kind of rotary positioning structure for bus seat, and one end of described seat underframe is provided with step component, and the other end is provided with keeper；Described step component includes foot pedal and step fixed plate, and described step fixed plate is provided with step locating rod, and seat rotating stand is provided with the rotational positioning hole being engaged with step locating rod；Described keeper includes the compression spring that rotary block and rotary block are engaged.Seat rotating stand described in the utility model uses two ends fixation, one end is the activity fixation of bolt-type, the other end is that the method that is relatively fixed for withstanding seat rotating stand by the pressure of compression spring is fixed, so assist to fix by a kind of of two ends, the stability for being high seat rotating stand and fixing, pressure effect when seat rotating stand is fixed is dissolved, and alleviate the impact of seat rotation by compression spring, improve the service life of seat, simple structure, convenient for production, cost is relatively low, it is easy to care and maintenance.
Description
Technical field
The utility model is related to the technical field of train seat, specifically a kind of rotational positioning for bus seat
Structure, more particularly to a kind of rotary positioning structure for slowing down seat rotating percussion power.
Background technology
At present, the need for train seat is in order to meet bullet train commutation traveling, train seat is also required to 180 in commutation
Degree is turned to, and prior art is rotated and buffer structure directly contact when positioning is turned to by seat rotating stand so that seat rotation subtracts
Speed.
During the rotational deceleration of above-mentioned train seat, existing seat slows down impact by rubber component when rotating,
This structure rubber part reliability is not high, and rubber component can cause to damage after multiple impact so that the rotary positioning structure of seat loses
Effect, cause frequently parts replace, reduce the whole service life of rotary positioning structure, increased maintenance and maintenance into
This.
Utility model content
The purpose of this utility model is to provide a kind of rotary positioning structure for bus seat, by entering for location structure
One-step optimization, and the existing part of other parts is utilized, by the setting of mechanism again, make it have more preferably functional characteristics；
Further, the two ends for seat rotating stand are fixed respectively, by way of two ends are assisted, improve seat rotating stand and fix
Stability, with prominent beneficial effect.
To achieve these goals, the technical solution of the utility model is：A kind of rotational positioning knot for bus seat
Structure, it mainly includes seat underframe and the seat rotating stand being located on seat underframe, it is characterised in that：The one of described seat underframe
End is provided with step component, and the other end is provided with keeper；
Described step component includes foot pedal and step fixed plate, and described step fixed plate is provided with step positioning
Bar, seat rotating stand is provided with the rotational positioning hole being engaged with step locating rod；
Described keeper includes the compression spring that rotary block and rotary block are engaged.
Further, foot pedal is formed with one end of step fixed plate and is rotatably connected, and foot pedal is provided with latch, step
The lower end of locating rod is provided with the pin hole being engaged with latch, and seat underframe is provided with a positioning through hole, described step positioning
Slidable connection is formed between the upper end of bar and positioning through hole.
Preferably, the lower end of step locating rod is sheathed in a step back-moving spring, and step locating rod is provided with one to be used for
Position the spring screens ring of step back-moving spring.
Seat rotating stand described in the utility model uses two ends fixation, and one end is the activity fixation of bolt-type, another
End is that the method that is relatively fixed for withstanding seat rotating stand by the pressure of compression spring is fixed, so by a kind of assistance at two ends
Stability that is fixed, being high seat rotating stand and fix, has dissolved pressure effect when seat rotating stand is fixed, and by compressing
Spring alleviates the impact of seat rotation, improves the service life of seat, while simple structure, convenient for production, cost compared with
It is low, it is easy to the care and maintenance in later stage.
Brief description of the drawings
Fig. 1 is the structural representation of one embodiment of rotary positioning mechanism described in the utility model.
Fig. 2 is the structural representation of step component described in the utility model.
Fig. 3 is the dispersed structure schematic diagram of step component described in the utility model.
Reference：
1- seat underframe, 2- seat rotating stands, 3- step components, 4- compression springs, 5- rotary blocks, 6- step locating rods,
7- rotational positionings hole, 8- step back-moving springs, 9- step fixed plates, 10- latches, 11- foot pedals.
Specific embodiment
Reference picture 1, a kind of rotary positioning structure for bus seat described in the utility model, it mainly includes seat
Underframe and the seat rotating stand being located on seat underframe, its difference with the prior art is：One end of described seat underframe sets
There is step component, the other end is provided with keeper；Further, described step component includes foot pedal and step fixed plate, described
Step fixed plate be provided with step locating rod, seat rotating stand is provided with the rotational positioning hole being engaged with step locating rod；More
Further, described keeper includes the compression spring that rotary block and rotary block are engaged.Because seat rotating stand uses two
End fixation, one end is the activity fixation of bolt-type, and the other end is the phase that seat rotating stand is withstood by the pressure of compression spring
Fixation is fixed, so assists to fix by a kind of of two ends, the stability for being high seat rotating stand and fixing is dissolved
Pressure effect when seat rotating stand is fixed, and alleviate by compression spring the impact of seat rotation, improve seat
Service life, while simple structure, convenient for production, cost is relatively low, it is easy to the care and maintenance in later stage.
In one embodiment, foot pedal is formed with one end of step fixed plate and is rotatably connected, and foot pedal is provided with
Latch, is provided with the connector of arc-shaped between described foot pedal and step fixed plate, connection end and the step of the arc-shaped are consolidated
Formed between fixed board and be rotatably connected, the lower end of step locating rod is provided with the pin hole being engaged with latch, is set on seat underframe
There is a positioning through hole, slidable connection is formed between the upper end of described step locating rod and positioning through hole.
Further, the lower end of step locating rod is sheathed in a step back-moving spring, and step locating rod is provided with a use
In the spring screens ring of positioning step back-moving spring, the spring screens ring can be with the relative position of limited spring, it is ensured that spring is not
Can deviate from from step locating rod.
When foot pedal is moved downward, latch followed by and move downward, so that drive step locating rod to move downward, then
Step back-moving spring is further compressed, at this moment step locating rod departs from rotational positioning hole, seat rotating stand is normally rotated.
In one embodiment, described rotational positioning hole is arranged at the downside of seat rotating stand, the position in rotational positioning hole
Put corresponding with the position of step locating rod.It is used to position the Spring Card of step back-moving spring because step locating rod is provided with one
Position ring, the spring screens ring has two-way function, it is ensured that step locating rod stretches into the distance in rotational positioning hole, it is ensured that ensure
Step locating rod will not cause unnecessary impact to rotational positioning hole, it is ensured that accuracy when parts are used while
Extend service life.
Preferably, seat rotating stand is respectively arranged at two ends with a rotary block, and two pieces of rotary blocks are symmetrical arranged, rotary block
Be square column, and rotary block one end is fixedly connected with the bottom of seat rotating stand, the other end down along stretch and with compression spring
Position is corresponding.
In a concrete application embodiment, one end of described seat underframe is provided with step component, and the other end is provided with fixed
Position part；Described step component includes foot pedal and step fixed plate, and described step fixed plate is provided with step locating rod, seat
Chair pivoted frame is provided with the rotational positioning hole being engaged with step locating rod；Described keeper includes rotary block and rotary block
The compression spring being engaged.
Further, foot pedal is formed with one end of step fixed plate and is rotatably connected, and foot pedal is provided with latch, step
The lower end of locating rod is provided with the pin hole being engaged with latch, and seat underframe is provided with a positioning through hole, described step positioning
Slidable connection is formed between the upper end of bar and positioning through hole.The lower end of step locating rod is sheathed in a step back-moving spring,
Step locating rod is provided with one is used to position the spring screens ring of step back-moving spring.
Further, described rotational positioning hole is arranged at the downside of seat rotating stand, the position in rotational positioning hole and step
The position of locating rod is corresponding.Here rotational positioning hole is arranged on a positioner for projection, described positioner
Surface is provided with elastomeric material, while positioner is rectangle, upper surface is in a slope, and the slope inclines with horizontal plane
Rake angle is 5-10 degree, and rotational positioning hole is arranged on positioner, it is ensured that positioning accurate and avoid some impacts
For the active force of seat rotating stand, the service life of product is extended, while being easy to the maintenance and replacement in later stage, rotational positioning hole
When needing change place or deformation, it is only necessary to local replacement part, human cost and manufacturing cost are saved.
Seat rotating stand is respectively arranged at two ends with a rotary block, and rotary block is square column, rotary block one end and seat
The bottom of chair pivoted frame is fixedly connected, and the other end is down along stretching and corresponding with the position of compression spring.
Specifically, the rotation of guest room seat and position fixing process：3 step components are stepped on by people's pin first, 11 foot pedals drive
10 latches are moved downward, while driving connected 6 step locating rod to depart from 7 rotational positioning holes, allow seat rotating stand just
Often rotation.Handmade rotary seat rotating stand, when 5 rotary blocks on pivoted frame clash into 4 compression springs, can make pivoted frame reducing speed, this
When 6 step locating rods can be entered in 7 rotational positioning holes using the active force of 8 step back-moving springs along guide plate, complete whole
Pivoted frame 180 degree rotational positioning process.
Specific embodiment of the utility model has been described in detail above, but it is only used as example, the utility model
It is not restricted to particular embodiments described above.To those skilled in the art, it is any to being equal to that the practicality is carried out
Modifications and substitutions are also all among category of the present utility model.Therefore, the institute in the case where spirit and scope of the present utility model are not departed from
The impartial conversion and modification of work, should all cover in the range of the utility model.
Claims (5)
1. a kind of rotary positioning structure for bus seat, it mainly includes seat underframe and the seat being located on seat underframe
Pivoted frame, it is characterised in that：One end of described seat underframe is provided with step component, and the other end is provided with keeper；
Described step component includes foot pedal and step fixed plate, and described step fixed plate is provided with step locating rod, seat
Chair pivoted frame is provided with the rotational positioning hole being engaged with step locating rod；
Described keeper includes the compression spring that rotary block and rotary block are engaged.
2. a kind of rotary positioning structure for bus seat according to claim 1, it is characterised in that：Foot pedal with step on
One end of pin fixed plate forms rotatable connection, and foot pedal is provided with latch, and the lower end of step locating rod is provided with and latch phase
The pin hole of cooperation, seat underframe is provided with a positioning through hole, shape between the upper end of described step locating rod and positioning through hole
Into slidable connection.
3. a kind of rotary positioning structure for bus seat according to claim 2, it is characterised in that：Step locating rod
Lower end be sheathed in a step back-moving spring, step locating rod is provided with one for positioning the spring screens of step back-moving spring
Ring.
4. a kind of rotary positioning structure for bus seat according to claim 1, it is characterised in that：Described rotation
Location hole is arranged at the downside of seat rotating stand, and the position in rotational positioning hole is corresponding with the position of step locating rod.
5. a kind of rotary positioning structure for bus seat according to claim 1, it is characterised in that：Seat rotating stand
It is respectively arranged at two ends with a rotary block, rotary block is square column, and rotary block one end is fixed with the bottom of seat rotating stand and connected
Connect, the other end is down along stretching and corresponding with the position of compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621455105.7U CN206277977U (en) | 2016-12-28 | 2016-12-28 | A kind of rotary positioning structure for bus seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621455105.7U CN206277977U (en) | 2016-12-28 | 2016-12-28 | A kind of rotary positioning structure for bus seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206277977U true CN206277977U (en) | 2017-06-27 |
Family
ID=59072042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621455105.7U Active CN206277977U (en) | 2016-12-28 | 2016-12-28 | A kind of rotary positioning structure for bus seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206277977U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010451A (en) * | 2021-11-09 | 2022-02-08 | 杭州杰莺医疗科技有限公司 | Medical electronic chair of diagnosing |
| CN114028149A (en) * | 2021-11-09 | 2022-02-11 | 杭州杰莺医疗科技有限公司 | Electric chair rotary positioning device |
-
2016
- 2016-12-28 CN CN201621455105.7U patent/CN206277977U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114010451A (en) * | 2021-11-09 | 2022-02-08 | 杭州杰莺医疗科技有限公司 | Medical electronic chair of diagnosing |
| CN114028149A (en) * | 2021-11-09 | 2022-02-11 | 杭州杰莺医疗科技有限公司 | Electric chair rotary positioning device |
| CN114010451B (en) * | 2021-11-09 | 2024-04-19 | 杭州杰莺医疗科技有限公司 | Medical electric diagnosis and treatment chair |
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