CN217455774U - Foldable sleeping berth safety guardrail with locking function - Google Patents
Foldable sleeping berth safety guardrail with locking function Download PDFInfo
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- CN217455774U CN217455774U CN202221050374.0U CN202221050374U CN217455774U CN 217455774 U CN217455774 U CN 217455774U CN 202221050374 U CN202221050374 U CN 202221050374U CN 217455774 U CN217455774 U CN 217455774U
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- toothed plate
- guardrail
- return spring
- interfaces
- cover
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Abstract
The utility model discloses a foldable sleeper safety guardrail with locking function, which is provided with a guardrail inner cover, a guardrail outer cover, a first return spring, an outer toothed plate, an inner toothed plate, a flat gasket, a second return spring, an end cover, a flange bolt and a base; a first pair of interfaces is formed at the lower end of the guardrail inner cover, and a second pair of interfaces is formed at the lower end of the guardrail outer cover; the first return spring, the outer toothed plate, the inner toothed plate, the flat gasket, the second return spring and the end cover are sequentially arranged between the first pair of interfaces and the second pair of interfaces; the flange face bolt is arranged between the end cover and the base, and the flange face bolt penetrates through the center of the flat gasket and is inserted into the base. The utility model can realize the conversion between the open state and the closed state of the sleeper safety barrier, thereby greatly reducing the occupied space and the quality; the structure is simple, firm and reliable; fully consider passenger's side protection, step on people's operating mode, the security promotes greatly.
Description
Technical Field
The utility model relates to a folded cascade sleeping berth safety barrier with locking function belongs to automobile parts technical field.
Background
With the continuous development of the automobile industry, people's demand for heavy trucks is not limited to cargo carrying tools, but rather, needs to meet the increasing comfort requirements. The sleeping berth guardrail is used as an important component of a sleeping berth of a cab, and the condition that passengers fall off due to emergency braking and the like is guaranteed when the sleeping berth has a rest.
Early sleeper handrails were welded to the cab floor using steel pipe splice welding and only met the most basic functions. Along with the improvement of living standard, the sleeping berth guardrail appears foldable, like the scheme disclosed in CN109228994A, CN204915395U, CN206297441U, etc., the cross bar and the two rotating arms of the sleeping berth guardrail are both split structures, and a heavy guardrail support is connected under the rotating arms. The sleeper guardrail has the advantages of complex structure, large occupied space, exposed locking mechanism, large mass, heaviness, incapability of meeting the light weight requirement of people on the truck and poor safety performance. In view of the above-mentioned defects, how to design a sleeping berth guardrail with compact space, safety and reliability is a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses not enough to prior art exists, provide a folded cascade sleeping berth safety barrier with locking function, solve the problem that traditional guardrail occupation space is big, the security is poor.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a foldable sleeper safety guardrail with a locking function comprises a guardrail inner cover, a guardrail outer cover, a first return spring, an outer toothed plate, an inner toothed plate, a flat gasket, a second return spring, an end cover, flange face bolts and a base;
a first pair of interfaces is formed at the lower end of the guardrail inner cover, and a second pair of interfaces is formed at the lower end of the guardrail outer cover; the first return spring, the outer toothed plate, the inner toothed plate, the flat gasket, the second return spring and the end cover are sequentially arranged between the first pair of interfaces and the second pair of interfaces;
the flange face bolt is arranged between the end cover and the base, and the flange face bolt penetrates through the center of the flat gasket and is inserted into the base.
As a preferable scheme of the foldable sleeping berth safety guardrail with the locking function, the base comprises a horizontal piece and a vertical piece, the side part of the vertical piece is connected with a rotating shaft, the side part of the rotating shaft is connected with a square table, and a threaded hole is formed in the square table;
a square opening is formed in the center of the inner toothed plate; the rotating shaft penetrates through the first pair of interfaces, and the square platform penetrates through the square opening in the center of the inner toothed plate; the flange face bolt is inserted into the threaded hole.
As the optimal scheme of the foldable sleeper safety guardrail with the locking function, one side, close to the guardrail inner cover, of the vertical part is provided with an arc-shaped groove, a limiting pin is arranged at the corresponding position of the guardrail inner cover, and the limiting pin slides along the arc-shaped groove.
As a preferred scheme of the foldable sleeper safety barrier with the locking function, a spring mounting column is arranged at the position of the first pair of interfaces, a spring groove is formed in the side portion of the outer toothed plate, one end of the first return spring is located at the spring mounting column, and the other end of the first return spring is located at the spring groove.
As a preferable scheme of the foldable sleeper safety barrier with the locking function, mounting grooves are formed at the positions of the first pair of interfaces, and the external gear plate is located in the mounting grooves;
the edge of mounting groove is formed with four leaf grass form first arch, the outer fringe of outer pinion rack is formed with four leaf grass form first recess, first arch with first recess cooperation.
As a preferable scheme of the foldable sleeper safety barrier with the locking function, a clover-shaped second protrusion is formed on the outer edge of the inner toothed plate, a clover-shaped second groove is formed on the inner edge of the outer toothed plate, and the second protrusion is matched with the second groove.
As a preferable scheme of the foldable sleeper safety barrier with the locking function, one end of the second return spring is in contact with the outer surface of the inner toothed plate, and the other end of the second return spring abuts against the inner surface of the end cover.
As an optimal scheme of the foldable sleeper safety guardrail with the locking function, the end cover is provided with an avoiding notch which is in a cross shape and perpendicular to each other, and the avoiding notch is used for avoiding the second protrusion on the outer edge of the inner toothed plate.
The utility model is provided with a guardrail inner cover, a guardrail outer cover, a first return spring, an outer toothed plate, an inner toothed plate, a flat gasket, a second return spring, an end cover, a flange bolt and a base; a first pair of interfaces is formed at the lower end of the guardrail inner cover, and a second pair of interfaces is formed at the lower end of the guardrail outer cover; the first return spring, the outer toothed plate, the inner toothed plate, the flat gasket, the second return spring and the end cover are sequentially arranged between the first pair of interfaces and the second pair of interfaces; the flange face bolt is arranged between the end cover and the base, and the flange face bolt penetrates through the center of the flat gasket and is inserted into the base. The utility model can realize the conversion between the open state and the closed state of the sleeper safety barrier, thereby greatly reducing the occupied space and the quality; the structure is simple, firm and reliable; fully consider passenger's side protection, step on people's operating mode, the security promotes greatly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is an exploded schematic view of a foldable sleeper safety barrier with a locking function at a first viewing angle provided in an embodiment of the present invention;
fig. 2 is an exploded schematic view of the foldable sleeper safety barrier with a locking function at a second viewing angle provided in the embodiment of the present invention;
fig. 3 is a schematic view of a usage state of the foldable sleeper safety barrier with a locking function provided in the embodiment of the present invention.
In the figure, 1, an inner cover of a guardrail; 2. a guardrail outer cover; 3. a first return spring; 4. an outer toothed plate; 5. an inner toothed plate; 6. a flat gasket; 7. a second return spring; 8. an end cap; 9. a flange face bolt; 10. a base; 11. a first pair of interfaces; 12. a second pair of interfaces; 13. a horizontal member; 14. a vertical member; 15. a rotating shaft; 16. a square table; 17. a threaded hole; 18. square opening; 19. an arc-shaped slot; 20. a spacing pin; 21. a spring mounting post; 22. a spring slot; 23. mounting grooves; 24. a first protrusion; 25. a first groove; 26. a second protrusion; 27. a second groove; 28. avoiding the notch; 29. an inner tank.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from those described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not to be limited to the specific embodiments disclosed below.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1 and 2, an embodiment of the present invention provides a foldable sleeper safety barrier with a locking function, including a guardrail inner cover 1, a guardrail outer cover 2, a first return spring 3, an outer toothed plate 4, an inner toothed plate 5, a flat gasket 6, a second return spring 7, an end cover 8, a flange bolt 9, and a base 10;
a first pair of interfaces 11 is formed at the lower end of the guardrail inner cover 1, and a second pair of interfaces 12 is formed at the lower end of the guardrail outer cover 2; the first return spring 3, the outer toothed plate 4, the inner toothed plate 5, the flat gasket 6, the second return spring 7 and the end cover 8 are sequentially arranged between the first pair of interfaces 11 and the second pair of interfaces 12;
the flange face bolt 9 is positioned between the end cover 8 and the base 10, and the flange face bolt 9 passes through the center of the flat gasket 6 and is inserted into the base 10.
In this embodiment, the base 10 includes a horizontal member 13 and a vertical member 14, a rotating shaft 15 is connected to a side portion of the vertical member 14, a square table 16 is connected to a side portion of the rotating shaft 15, and a threaded hole 17 is formed in the square table 16; a square opening 18 is formed in the center of the inner toothed plate 5; the rotating shaft 15 passes through the first pair of interfaces 11, and the square platform 16 passes through the square opening 18 in the center of the inner toothed plate 5; the flange face bolts 9 are inserted into the threaded holes 17. One side of the vertical part 14, which is close to the guardrail inner cover 1, is provided with an arc-shaped groove 19, a corresponding position of the guardrail inner cover 1 is provided with a limit pin 20, and the limit pin 20 slides along the arc-shaped groove 19.
Specifically, a first pair of interfaces 11 of the guardrail inner cover 1 is attached to a vertical part 14 of the base 10, center holes of the first pair of interfaces 11 of the guardrail inner cover 1 are matched with the outer surface of the rotating shaft 15, and a limiting pin 20 of the guardrail inner cover 1 is inserted into an arc-shaped groove 19 of the vertical part 14 and can slide for limiting at 0-90 degrees of the safety guardrail of a sleeper.
Specifically, the square opening 18 of the inner toothed plate 5 is matched with the square table 16 of the base 10, the inner surface of the inner toothed plate 5 is pressed against the bottom surface of the square table 16 of the base 10, the flat gasket 6, the flange face bolt 9 and the threaded hole 17 of the rotating shaft 15 are screwed tightly, and the inner toothed plate 5 cannot rotate due to the limiting effect of the square opening 18. The thickness direction of the flat gasket 6 can be reduced by the inner circle groove of the inner toothed plate 5, and the space is saved.
In this embodiment, a spring mounting post 21 is disposed at the first pair of interfaces 11, a spring groove 22 is disposed at the side of the outer toothed plate 4, one end of the first return spring 3 is disposed on the spring mounting post 21, and the other end of the first return spring 3 is disposed in the spring groove 22. A mounting groove 23 is formed in the position of the first pair of connectors 11, and the outer toothed plate 4 is located in the mounting groove 23; the edge of the mounting groove 23 is formed with a clover-shaped first protrusion 24, the outer edge of the outer toothed plate 4 is formed with a clover-shaped first groove 25, and the first protrusion 24 is matched with the first groove 25.
Specifically, the spring groove 22 of the outer toothed plate 4 presses one end of the first return spring 3, the outer toothed plate 4 is provided with four first grooves 25, the first grooves 25 similar to clover shapes are matched with the first bulges 24 of the mounting grooves 23 in the first pair of interfaces 11, the relative position of the guardrail inner cover 1 and the outer toothed plate 4 is fixed, and the outer toothed plate 4 can axially move along the mounting grooves 23 of the guardrail inner cover 1 until the first grooves 25 of the outer toothed plate 4 are attached to the first bulges 24 of the mounting grooves 23 of the guardrail inner cover 1.
In this embodiment, the outer edge of the inner toothed plate 5 is formed with a clover-shaped second protrusion 26, the inner edge of the outer toothed plate 4 is formed with a clover-shaped second groove 27, and the second protrusion 26 is matched with the second groove 27. One end of the second return spring 7 contacts with the outer surface of the inner toothed plate 5, and the other end of the second return spring 7 abuts against the inner surface of the end cover 8.
Specifically, the inner toothed plate 5 has four second protrusions 26, and the second protrusions 26 having a shape similar to clover move in the second grooves 27 of the outer toothed plate 4 until the second protrusions 26 of the inner toothed plate 5 are attached to the bottom surfaces of the second grooves 27 of the outer toothed plate 4.
Specifically, one end of the second return spring 7 is mounted on the outer surface of the inner toothed plate 5, and the other end of the second return spring 7 abuts against the inner surface of the end cover 8 and is prevented from moving through the circular groove on the end cover 8.
In this embodiment, the end cover 8 is provided with an avoiding notch 28 which is cross-shaped and perpendicular to each other, and the avoiding notch 28 avoids the second protrusion 26 at the outer edge of the inner toothed plate 5.
Specifically, the avoidance notch 28 of the end cover 8, which is perpendicular to each other, avoids the second protrusion 26 of the inner toothed plate 5, the inner end face of the end cover 8 pushes the outer toothed plate 4 to move axially along the first protrusion 24 of the clover shape of the inner guard cover 1, and then the outer surface of the outer toothed plate 4 is attached to the bottom surface of the first protrusion 24 of the clover shape of the inner guard cover 1.
Referring to fig. 3, the utility model discloses install on the toolbox apron, tiling foam-rubber cushion on the toolbox apron, the foam-rubber cushion is in the utility model discloses department is equipped with the breach, the utility model discloses can be rotatory around rotation axis 15 on the base 10, provide the locking function at sleeping berth safety barrier open mode (90 positions), closed state (0 position), can restrict and fixed sleeping berth safety barrier's turned angle. The conversion between the opening state and the closing state of the safety guardrail of the sleeper can be realized by pressing the end cover 8 for unlocking.
The action principle of the foldable sleeper safety guardrail with the locking function is as follows:
the outer end face of the end cover 8 is pressed inwards, the inner end face of the end cover 8 pushes the outer toothed plate 4 to move inwards, the inner side face of the outer toothed plate 4 leaves the inner groove 29 of the outer guardrail cover 2, meanwhile, the second protrusion 26 of the inner toothed plate 5 leaves the inner limiting second groove 27 of the outer toothed plate 4 until being separated, the angle of the sleeper safety guardrail is unlocked, and the sleeper safety guardrail can rotate for 0-90 degrees under the control of the arc-shaped groove 19 of the base 10. When turning to 90 or 0, the second protrusion 26 of the inner toothed plate 5 is engaged with the inner limiting second groove 27 of the outer toothed plate 4 again, under the counter force of the first return spring 3, one end of the first return spring 3 pushes the second groove 27 of the outer toothed plate 4, the second groove 27 of the outer toothed plate 4 is matched with the second protrusion 26 of the inner toothed plate 5, the inner side surface of the second groove 27 of the outer toothed plate 4 enters the inner groove 29 of the outer guard cover 2, and the locking function reappears until the bottom surface of the second groove 27 of the outer toothed plate 4 and the inner surface of the second protrusion 26 of the inner toothed plate 5 are attached.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (8)
1. A foldable sleeping berth safety guardrail with a locking function is characterized by comprising a guardrail inner cover (1), a guardrail outer cover (2), a first return spring (3), an outer toothed plate (4), an inner toothed plate (5), a flat gasket (6), a second return spring (7), an end cover (8), a flange face bolt (9) and a base (10);
a first pair of interfaces (11) is formed at the lower end of the guardrail inner cover (1), and a second pair of interfaces (12) is formed at the lower end of the guardrail outer cover (2); the first return spring (3), the outer toothed plate (4), the inner toothed plate (5), the flat gasket (6), the second return spring (7) and the end cover (8) are sequentially arranged between the first pair of interfaces (11) and the second pair of interfaces (12);
the flange face bolt (9) is arranged between the end cover (8) and the base (10), and the flange face bolt (9) penetrates through the center of the flat gasket (6) and is inserted into the base (10).
2. Foldable sleeper safety fence with locking function according to claim 1 characterized in that the base (10) comprises a horizontal piece (13) and a vertical piece (14), the side of the vertical piece (14) is connected with a rotating shaft (15), the side of the rotating shaft (15) is connected with a square table (16), the square table (16) is internally formed with a threaded hole (17);
a square opening (18) is formed in the center of the inner toothed plate (5); the rotating shaft (15) penetrates through the first pair of interfaces (11), and the square table (16) penetrates through the square opening (18) in the center of the inner toothed plate (5); the flange face bolt (9) is inserted into the threaded hole (17).
3. Foldable sleeping berth safety guardrail with locking function according to claim 2, wherein one side of the vertical part (14) close to the guardrail inner cover (1) is provided with an arc-shaped groove (19), a corresponding position of the guardrail inner cover (1) is provided with a limit pin (20), and the limit pin (20) slides along the arc-shaped groove (19).
4. Foldable sleeper safety rail with locking function according to claim 3, characterized in that the position of the first pair of interfaces (11) is provided with a spring mounting post (21), the side of the outer toothed plate (4) is provided with a spring groove (22), one end of the first return spring (3) is at the spring mounting post (21), the other end of the first return spring (3) is at the spring groove (22).
5. Foldable sleeper safety rail with blocking function according to claim 4 characterized in that the position of the first pair of interfaces (11) is provided with a mounting groove (23), the outer toothed plate (4) is in the mounting groove (23);
the edge of the mounting groove (23) is formed with a clover-shaped first bulge (24), the outer edge of the outer toothed plate (4) is formed with a clover-shaped first groove (25), and the first bulge (24) is matched with the first groove (25).
6. Foldable sleeper safety rail with blocking function according to claim 5, characterized in that the outer edge of the inner toothed plate (5) is formed with clover-like second protrusions (26), the inner edge of the outer toothed plate (4) is formed with clover-like second grooves (27), the second protrusions (26) and the second grooves (27) cooperate.
7. Foldable sleeper safety rail with blocking function according to claim 6 characterized in that one end of the second return spring (7) contacts the outer surface of the inner toothed plate (5), the other end of the second return spring (7) is against the inner surface of the end cap (8).
8. Foldable sleeper safety rail with blocking function according to claim 7 characterized in that the end cap (8) is provided with mutually perpendicular avoidance notches (28) in a cross shape, the avoidance notches (28) avoiding the second protrusions (26) at the outer edge of the inner toothed plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050374.0U CN217455774U (en) | 2022-05-05 | 2022-05-05 | Foldable sleeping berth safety guardrail with locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221050374.0U CN217455774U (en) | 2022-05-05 | 2022-05-05 | Foldable sleeping berth safety guardrail with locking function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217455774U true CN217455774U (en) | 2022-09-20 |
Family
ID=83274056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221050374.0U Active CN217455774U (en) | 2022-05-05 | 2022-05-05 | Foldable sleeping berth safety guardrail with locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217455774U (en) |
-
2022
- 2022-05-05 CN CN202221050374.0U patent/CN217455774U/en active Active
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