CN220662478U - Screen anti-theft limiting structure for seat backrest - Google Patents
Screen anti-theft limiting structure for seat backrest Download PDFInfo
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- CN220662478U CN220662478U CN202322144992.2U CN202322144992U CN220662478U CN 220662478 U CN220662478 U CN 220662478U CN 202322144992 U CN202322144992 U CN 202322144992U CN 220662478 U CN220662478 U CN 220662478U
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- screen
- limiting
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- seat
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- 238000003780 insertion Methods 0.000 claims abstract description 20
- 230000037431 insertion Effects 0.000 claims abstract description 20
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Abstract
The utility model discloses a screen anti-theft limiting structure for a seat back, which belongs to the technical field of seat backs and comprises the following components: the backrest comprises a backrest body, a screen mounting plate and a screen, wherein the screen mounting plate is provided with a limiting ring close to one face of the backrest body, a limiting frame is connected in a sliding manner in the limiting ring, an adjusting opening is formed in a screen mounting groove, an adjusting block is arranged at the bottom of the vertical direction of the limiting frame, the adjusting block penetrates through the adjusting opening and extends into the screen mounting groove, limiting top plates are arranged at two ends of the horizontal direction of the limiting frame, the positions of the limiting top plates correspond to the limiting insertion holes, the limiting top plates can be abutted against limiting arms when the insertion portions are inserted into the limiting insertion holes, the limiting top plates are used for limiting the overturning of the screen in one side so as to facilitate the rear passengers to adapt according to the rotating angle of the front passenger seat, and on the other side, due to the fact that the screen overturning is limited, a certain antitheft effect is achieved.
Description
Technical Field
The utility model relates to the technical field of seat backs, in particular to a screen anti-theft limiting structure for a seat back.
Background
Along with development of science and technology, in order to provide the comfort level of passenger's journey in-process, can set up the screen on vehicle's seat back generally, passenger can watch movie and television amusement works with the help of the screen in the journey in-process, under the general circumstances, the screen passes through devices such as hinge and installs at the back of seat back, when current row passenger adjusts seat angle, adjust the angle of screen through devices such as hinge, the screen can carry out 90 upset in general, however after the screen carries out 90 degrees upset, back row passenger takes off the screen easily, cause the screen to lose and cause the loss, consequently, need to design a screen theftproof limit structure for seat back so as to solve above-mentioned problem.
Disclosure of Invention
The utility model aims to solve the technical problems that: through limiting the turning angle of the screen, the turning of the screen is limited on one hand, so that a rear passenger can adapt conveniently according to the turning angle of the front passenger seat, and on the other hand, a certain anti-theft effect is achieved due to the fact that the screen is turned and limited.
The technical scheme adopted to solve the technical problems is as follows: a screen anti-theft limit structure for a seat back, comprising: backrest body, screen mounting panel and screen, its characterized in that:
the backrest body is detachably connected with the screen mounting plate, a screen mounting groove is formed in the screen mounting plate, a mounting seat is arranged at the top of the screen mounting groove, a mounting hinge is arranged at the top of the screen, mounting plates matched with the mounting seat are arranged on the mounting hinge, and the mounting hinge is detachably connected with the mounting seat through the mounting plate;
a limiting insertion hole is formed in the position of the mounting seat in the screen mounting groove, a limiting arm is arranged on the mounting hinge, one end of the limiting arm is connected with the mounting hinge, the other end of the limiting arm is connected with an insertion part, the insertion part is inserted into the limiting insertion hole, and an angle of 60 degrees is formed between the insertion part and the limiting arm;
the screen mounting panel is close to back body one side and is provided with the spacing ring, sliding connection has the spacing in the spacing ring, set up on the screen mounting groove and adjusted the opening, the vertical direction bottom of spacing is provided with the regulating block, the regulating block passes and adjusts the opening and extend to in the screen mounting groove, spacing horizontal direction both ends are provided with spacing roof, spacing roof position corresponds each other with spacing insertion hole, works as the insert in spacing insertion hole, spacing roof can with spacing arm butt.
As a preferable technical scheme of the utility model, a threading hole is formed in the screen mounting groove, and the screen is connected with an electric wire which passes through the threading hole.
By adopting the technical scheme, electric energy is provided for the screen by means of the electric wire.
As a preferable technical scheme of the utility model, the screen mounting groove is provided with a hand groove.
By adopting the technical scheme, the space is conveniently provided for the hands by the aid of the hand groove by the passengers, so that the screen can be turned over.
As a preferable technical scheme of the utility model, the cross section of the limiting top plate is in a right trapezoid shape, and the angle between the waist and the lower bottom of the cross section of the limiting top plate is 30 degrees.
Through adopting above-mentioned technical scheme, because the angle between the waist of spacing roof cross-section and the lower extreme is 30 to when spacing roof butt and spacing arm, can further restrict the flip angle of screen, cooperate the restriction of angle 60 between insert portion and the spacing arm, make the biggest flip angle of screen 30.
As a preferable technical scheme of the utility model, the friction force between the limiting rings and the limiting frames is larger than the gravity of the limiting frames and the limiting top plate.
By adopting the technical scheme, the friction force between the limiting ring and the limiting frame is greater than the gravity of the limiting frame and the limiting top plate, so that the limiting frame is prevented from sliding downwards under the action of gravity after being moved.
The beneficial effects of the utility model are as follows:
1. due to the arrangement of the mounting hinge, under the action of the mounting plate and the mounting seat, the screen can be mounted in the screen mounting groove, the screen is turned over by applying an acting force, the screen moves to the screen mounting groove, the inserting part is inserted into the spacing inserting hole, the position of the spacing frame is limited due to the arrangement of the spacing ring, meanwhile, the moving range of the spacing frame is limited due to the arrangement of the adjusting opening, the adjusting block extends into the screen mounting groove through the adjusting opening, when the angle of the screen is limited after the screen is turned over by applying the acting force, the adjusting block is driven by applying the acting force, the spacing frame is driven to move upwards, the spacing top plate is inserted into the position between the inserting part and the spacing arm, and with spacing arm butt each other, this moment is blockked by spacing roof owing to insert the portion, thereby make the removal of spacing arm hindered, cause the screen to remove and receive the hindrance, thereby reach the purpose of restriction screen flip angle, under the condition that does not have spacing arm and insert the portion, the screen can be 90 degrees open, under the effect of spacing arm and insert the portion, the spacing roof of cooperation, make the biggest flip angle of screen limited, through the above-mentioned mode, on one hand carry out spacingly so that make things convenient for the back row passenger to carry out the adaptation according to preceding row passenger seat pivoted angle to the upset of screen, on the other hand because the spacing condition of screen upset exists, play certain theftproof effect.
Drawings
FIG. 1 is an exploded schematic view of the present utility model;
FIG. 2 is an exploded view of another angle of the present utility model;
FIG. 3 is a combined schematic of the present utility model;
FIG. 4 is a combined schematic diagram of the present utility model in another state;
FIG. 5 is a schematic view of the hinge-mounting portion of the present utility model
FIG. 6 is an enlarged schematic view of section A of the present utility model;
FIG. 7 is an enlarged schematic view of section B of the present utility model;
FIG. 8 is an enlarged schematic view of section C of the present utility model;
fig. 9 is an enlarged schematic view of part D of the present utility model.
In the figure: 1. a backrest body; 2. a screen mounting plate; 3. a screen mounting groove; 4. a screen; 5. a mounting base; 6. limiting the insertion hole; 7. adjusting the opening; 8. a threading hole; 9. a limiting ring; 10. a limiting frame; 11. an adjusting block; 12. a limiting top plate; 13. installing a hinge; 14. a limiting arm; 15. an electric wire; 16. a hand groove; 17. a mounting plate; 18. an insertion portion.
Detailed Description
According to research and analysis of the applicant, along with development of technology, in order to provide comfort level of passengers in the journey, a screen is usually arranged on a seat backrest of a vehicle, and passengers can watch video entertainment works by means of the screen in the journey, in general, the screen is fixedly arranged at the back of the seat backrest, if the front passengers adjust the angle of the seat backrest, the screen can incline along with the adjustment of the angle of the seat backrest, so that watching experience of rear passengers is affected, therefore, a screen anti-theft limiting structure for the seat backrest is needed to be designed so as to limit the overturning angle of the screen, on one hand, the overturning of the screen is limited so as to facilitate the rear passengers to adapt according to the rotating angle of the front passenger seat, and on the other hand, due to the condition that the screen is overturned and limited, a certain anti-theft effect is achieved.
The present utility model will now be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 9, a screen anti-theft limit structure for a seat back comprises a back body 1, a screen mounting plate 2, a screen mounting groove 3, a screen 4, a mounting seat 5, a limit insertion hole 6, an adjusting opening 7, a threading hole 8, a limit ring 9, a limit frame 10, an adjusting block 11, a limit top plate 12, a mounting hinge 13, a limit arm 14, an electric wire 15, a hand groove 16, a mounting plate 17 and an insertion part 18.
1-9, a screen anti-theft limit structure for a seat backrest comprises: the backrest body 1, the screen mounting plate 2 and the screen 4 are detachably connected, preferably, the backrest body 1 and the screen mounting plate 2 are detachably connected in a screw connection mode, the screen mounting plate 2 is provided with a screen mounting groove 3, the top position of the screen mounting groove 3 is provided with a mounting seat 5, the top position of the screen 4 is provided with a mounting hinge 13, the mounting hinge 13 is provided with a mounting plate 17 mutually matched with the mounting seat 5, the mounting hinge 13 is detachably connected with the mounting seat 5 through the mounting plate 17, preferably, the mounting plate 17 and the mounting seat 5 are detachably connected in a screw connection mode, the rotation angle of the mounting hinge 13 is 90 degrees at most, the position of the mounting seat 5 in the screen mounting groove 3 is provided with a limiting insertion hole 6, the mounting hinge 13 is provided with a limiting arm 14, one end of the limiting arm 14 is connected with the mounting hinge 13, the other end of the limiting arm 14 is connected with an inserting part 18, the inserting part 18 is inserted into the limiting inserting hole 6, an angle of 60 degrees is formed between the inserting part 18 and the limiting arm 14, a limiting ring 9 is arranged on one surface of the screen mounting plate 2, which is close to the backrest body 1, a limiting frame 10 is slidably connected in the limiting ring 9, preferably, the limiting frame 10 is T-shaped, an adjusting opening 7 is formed in the screen mounting groove 3, an adjusting block 11 is arranged at the bottom of the limiting frame 10 in the vertical direction, the adjusting block 11 penetrates through the adjusting opening 7 and extends into the screen mounting groove 3, limiting top plates 12 are arranged at two ends of the limiting frame 10 in the horizontal direction, the positions of the limiting top plates 12 correspond to the limiting inserting hole 6, when the inserting part 18 is inserted into the limiting inserting hole 6, the limiting top plates 12 can be abutted with the limiting arm 14, the installation hinge 13 is arranged, so that when the screen 4 is installed in the screen installation groove 3, the acting force is applied to the screen 4 to adjust the turning angle of the screen 4, the installation hinge 13 is arranged, the screen 4 can be installed in the screen installation groove 3 under the action of the installation plate 17 and the installation seat 5, the acting force is applied to turn the screen 4, the screen 4 moves into the screen installation groove 3, the inserting part 18 is inserted into the limit inserting hole 6, the position of the limit frame 10 is limited due to the limit ring 9, meanwhile, the adjusting opening 7 is arranged, the adjusting block 11 extends into the screen installation groove 3 through the adjusting opening 7, the moving range of the limit frame 10 is limited, when the acting force is applied to limit the angle of the screen after the screen 4 is turned, the acting force is applied to the adjusting block 11, the spacing 10 is driven to move upwards for spacing roof 12 inserts to the position department between spacing arm 14 and the portion of inserting 18, and with spacing arm 14 butt each other, this moment is because the portion of inserting 18 is blockked by spacing roof 12, thereby make the removal of spacing arm 14 be obstructed, cause screen 4 to remove and be obstructed, thereby reach the purpose of limiting screen 4 flip angle, under the condition that does not have spacing arm 14 and portion of inserting 18, screen 4 can carry out 90 degrees and open, under the effect of spacing arm 14 and portion of inserting 18, the cooperation spacing roof 12, make the biggest flip angle of screen 4 be restricted, through above-mentioned mode, on the one hand carry out spacingly so that make things convenient for the back-row passenger to carry out the adaptation according to preceding passenger seat pivoted angle to the upset of screen, on the other hand because the circumstances that the screen is overturned spacingly exists, play certain theftproof effect.
Referring to fig. 1-9, a threading hole 8 is formed in the screen mounting groove 3, an electric wire 15 is connected to the screen 4, the electric wire 15 passes through the threading hole 8, a hand groove 16 is formed in the screen mounting groove 3, the cross section of the limiting top plate 12 is in a right trapezoid shape, the angle between the waist and the bottom of the cross section of the limiting top plate 12 is 30 °, the friction force between the limiting ring 9 and the limiting frame 10 is greater than the weight of the limiting frame 10 and the limiting top plate 12, electric energy is provided for the screen by means of the electric wire 15, a space is provided for the hand by means of the hand groove 16, so that a passenger can conveniently turn over the screen, and as the angle between the waist and the bottom of the cross section of the limiting top plate 12 is 30 °, the turning angle of the screen 4 can be further limited when the limiting top plate 12 abuts against the limiting arm 14, the turning angle between the engaging insert part 18 and the limiting arm 14 is 60 °, and the maximum turning angle of the screen 4 is 30 °, and as the friction force between the limiting ring 9 and the limiting frame 10 is greater than the weight of the limiting frame 10 and the limiting top plate 12, so that the sliding of the limiting frame 10 is prevented from falling under the weight of the limiting frame 10 after the limiting frame 10 is moved.
Working principle: when the anti-theft device is used, a passenger clings to the screen mounting groove 3 by hands through the hand groove 16, then applies acting force to the screen 4, so that the screen 4 is overturned, after the screen 4 is overturned, the acting force is applied to the adjusting block 11, the adjusting block 11 moves to drive the limiting frame 10 to move, and along with the movement of the limiting frame 10, the limiting top plate 12 pushes the limiting arm 14, so that the purpose of limiting the overturning angle of the screen 4 is achieved through the limiting arm 14, the overturning angle of the screen 4 is limited to 30 degrees from 90 degrees, and a certain anti-theft effect is achieved. The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A screen anti-theft limit structure for a seat back, comprising: backrest body (1), screen mounting panel (2) and screen (4), its characterized in that:
the backrest is characterized in that the backrest body (1) is detachably connected with the screen mounting plate (2), a screen mounting groove (3) is formed in the screen mounting plate (2), a mounting seat (5) is arranged at the top of the screen mounting groove (3), a mounting hinge (13) is arranged at the top of the screen (4), a mounting plate (17) matched with the mounting seat (5) is arranged on the mounting hinge (13), and the mounting hinge (13) is detachably connected with the mounting seat (5) through the mounting plate (17);
a limiting insertion hole (6) is formed in the position of the mounting seat (5) in the screen mounting groove (3), a limiting arm (14) is arranged on the mounting hinge (13), one end of the limiting arm (14) is connected with the mounting hinge (13), the other end of the limiting arm (14) is connected with an insertion part (18), the insertion part (18) is inserted into the limiting insertion hole (6), and an angle of 60 degrees is formed between the insertion part (18) and the limiting arm (14);
the utility model discloses a screen mounting panel (2), be close to back body (1) one side and be provided with spacing ring (9), sliding connection has spacing (10) in spacing ring (9), regulation opening (7) have been seted up on screen mounting groove (3), vertical direction bottom of spacing (10) is provided with regulating block (11), regulating block (11) pass in regulating opening (7) extend to screen mounting groove (3), spacing (10) horizontal direction both ends are provided with spacing roof (12), spacing roof (12) position corresponds each other with spacing patchhole (6), works as insert portion (18) are in spacing patchhole (6), spacing roof (12) can with spacing arm (14) butt.
2. The screen anti-theft limiting structure for a seat back according to claim 1, wherein: the screen mounting groove (3) is internally provided with a threading hole (8), the screen (4) is connected with an electric wire (15), and the electric wire (15) passes through the threading hole (8).
3. The screen anti-theft limiting structure for a seat back according to claim 1, wherein: the screen mounting groove (3) is provided with a hand groove (16).
4. The screen anti-theft limiting structure for a seat back according to claim 1, wherein: the cross section of the limiting top plate (12) is in a right trapezoid shape, and the angle between the waist and the lower bottom of the cross section of the limiting top plate (12) is 30 degrees.
5. The screen anti-theft limiting structure for a seat back according to claim 1, wherein: the friction force between the limiting ring (9) and the limiting frame (10) is larger than the gravity of the limiting frame (10) and the limiting top plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144992.2U CN220662478U (en) | 2023-08-10 | 2023-08-10 | Screen anti-theft limiting structure for seat backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322144992.2U CN220662478U (en) | 2023-08-10 | 2023-08-10 | Screen anti-theft limiting structure for seat backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220662478U true CN220662478U (en) | 2024-03-26 |
Family
ID=90335513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322144992.2U Active CN220662478U (en) | 2023-08-10 | 2023-08-10 | Screen anti-theft limiting structure for seat backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220662478U (en) |
-
2023
- 2023-08-10 CN CN202322144992.2U patent/CN220662478U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |