Folding mechanism

Abstract

The utility model belongs to the technical field of vehicle-mounted equipment, and relates to a folding mechanism. The same first quick-release pin is inserted into the third quick-release pin mounting hole and the first quick-release pin mounting hole, so that the fixed base and the turnover connecting beam are fixed in the 45-degree direction; and the same first quick-release pin is inserted into the third quick-release pin mounting hole and the second quick-release pin mounting hole, so that the fixed base and the turnover connecting beam are fixed in the 180-degree direction. Through the structural design of the folding mechanism, the fixed base is provided with the turnover connecting beam matched with the turnover connecting beam, the angle between the fixed base and the turnover connecting beam can be freely switched between 45 degrees and 180 degrees, a vertical object can be fixed, an object with the 45-degree angle can be pulled and fixed, multiple purposes are achieved, and cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of vehicle-mounted equipment relates to a folding mechanism. BACKGROUND

[0002] The fixed base often only plays a fixed role in the vertical direction, when the need to pull the goods from high, such as when the need to install the boarding device on the vehicle, the mounting joint (fixed on the vehicle) of boarding device and fixed base often present 45 ° angle, ordinary fixed base can not meet the needs, and there is an urgent need for a folding mechanism applied to the fixed base, and can be realized in 180 ° direction fixed and can be fixed in the direction of 45 ° angle. SUMMARY

[0003] The utility model discloses a folding mechanism to overcome the above-mentioned prior art's shortcomings.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The utility model provides a folding mechanism, including fixed base and turnover connecting beam, be provided with first quick -release pin mounting hole, second pin shaft mounting hole, second quick -release pin mounting hole on the fixed base, be provided with second pin shaft mounting hole and third quick -release pin mounting hole on the turnover connecting beam, same pin shaft is rotated and is penetrated with first pin shaft mounting hole in second pin shaft mounting hole,

[0006] The third quick -release pin mounting hole and first quick -release pin mounting hole are fixed through inserting same first quick -release pin in the inside, and the fixed base and turnover connecting beam are fixed in the direction of 45 °.

[0007] The third quick -release pin mounting hole and second quick -release pin mounting hole are fixed through inserting same first quick -release pin in the inside, and the fixed base and turnover connecting beam are fixed in the direction of 180 °.

[0008] Further, the fixed base includes base longitudinal beam, the lower end of base longitudinal beam is connected with base bottom plate, and the upper end of base longitudinal beam is connected with base crossbeam, the first quick -release pin mounting hole is located in the upper portion of base longitudinal beam, the first pin shaft mounting hole and second quick -release pin mounting hole are arranged side by side in base crossbeam, and the first quick -release pin mounting hole and first pin shaft mounting hole are left-right aligned.

[0009] Further, the base bottom plate is provided with a plurality of mounting holes.

[0010] Further, the base longitudinal beam and base bottom plate are provided with reinforcing ribs.

[0011] Further, the overturning connecting beam comprises a connecting area, one end of the connecting area is provided with a first mounting hole arrangement area, the other end of the connecting area is provided with a second mounting hole arrangement area, and the longitudinal section of the first mounting hole arrangement area, the connecting area and the second mounting hole arrangement area is U-shaped.

[0012] The first mounting hole arrangement area comprises two rectangular hole arrangement areas which are symmetrically arranged in front and back, the upper ends of the two rectangular hole arrangement areas are transitionally connected with a first cross beam, and the upper parts in the two rectangular hole arrangement areas are each provided with a second pin shaft mounting hole, and the lower side of each second pin shaft mounting hole is provided with a third quick-release pin mounting hole.

[0013] Further, the connecting area comprises two rectangular connecting areas which are symmetrically arranged in front and back, the upper ends of the two rectangular connecting areas are transitionally connected with a third cross beam, the first end of the third cross beam is transitionally connected with the first cross beam, and the second end of the third cross beam is transitionally connected with the second cross beam; the first end of the rectangular connecting area is transitionally connected with the rectangular hole arrangement area, and the second end of the rectangular connecting area is transitionally connected with the special-shaped hole arrangement area.

[0014] Further, the second mounting hole arrangement area is provided with a plurality of connecting holes.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] 1. The utility model discloses a folding mechanism, a fixed base is provided with a overturning connecting beam, and the angle between the two can be freely switched between 45 degrees and 180 degrees, so that the vertical object can be fixed, the object at 45 degrees can be pulled and fixed, the utility is multiple, and the cost is saved.

[0017] 2. The detachable pin shaft is arranged between 45 degrees and 180 degrees and is used for limiting, and the utility model is firm, durable and convenient to use. DRAWINGS

[0018] The drawings are incorporated into the description and form part of the description, and are used together with the description to explain the principle of the utility model.

[0019] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by the drawings without the creative labor of the ordinary skilled in the art.

[0020] Figure 1 It is the structural schematic view of the fixed base in the utility model;

[0021] Figure 2This is a schematic diagram of the flip-connecting beam in this utility model.

[0022] Wherein: 1 is a fixed base; 2 is a flip-up connecting beam; 2-1 is the first mounting hole setting area; 2-2 is the connection area; 2-3 is the second mounting hole setting area; 2-11 is the rectangular hole setting area; 2-12 is the first crossbeam; 2-22 is the third crossbeam; 2-32 is the second crossbeam; 3 is the pedal limiting connecting rod; 7 is the base plate; 8 is the reinforcing rib; 9 is the first pin mounting hole; 10 is the second quick-release pin mounting hole; 11 is the base crossbeam; 12 is the mounting hole; 13 is the base longitudinal beam; 14 is the first quick-release pin mounting hole; 15 is the second pin mounting hole; 16 is the third quick-release pin mounting hole. Detailed Implementation

[0023] Exemplary embodiments will now be described in detail. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this invention. Rather, they are merely examples of apparatuses consistent with some aspects of this invention as detailed in the appended claims. Example

[0024] like Figures 1-2 As shown, a folding mechanism includes a fixed base 1 and a flip-up connecting beam 2. The fixed base 1 is provided with a first quick-release pin mounting hole 14, a second pin mounting hole 15, and a second quick-release pin mounting hole 10. The flip-up connecting beam 2 is provided with a second pin mounting hole 15 and a third quick-release pin mounting hole 16. The second pin mounting hole 15 and the first pin mounting hole 10 are rotatably connected by the same pin.

[0025] The third quick-release pin mounting hole 16 and the first quick-release pin mounting hole 14 are fixed in the 45° direction by inserting the same first quick-release pin.

[0026] The third quick-release pin mounting hole 16 and the second quick-release pin mounting hole 10 are fixed in the 180° direction by inserting the same first quick-release pin.

[0027] In this embodiment: as follows Figure 1 As shown, the fixed base 1 consists of a base plate 7, base reinforcing ribs 8, base crossbeams 11, and base longitudinal beams 13. The fixed base 1 has mounting holes 12, allowing the loading device to be securely fixed to the mounting surface using bolts. The fixed base 1 also has pin mounting holes 9 that mate with the flip-up connecting beam 2; mounting holes 10 for quick-release pins in the unfolded state of the flip-up connecting beam 2; and mounting holes 14 for quick-release pins in the folded state of the flip-up connecting beam 2. The reinforcing ribs 8 provide structural reinforcement while also mechanically limiting the folding of the flip-up connecting beam 2.

[0028] Further, the fixed base 1 comprises a base longitudinal beam 13, the lower end of which is connected with a base bottom plate 7, and the upper end of which is connected with a base cross beam 11; the first quick-release pin mounting hole 14 is located at the upper part of the base longitudinal beam 13, and the first pin shaft mounting hole 9 and the second quick-release pin mounting hole 10 are arranged side by side on the base cross beam 11, and the first quick-release pin mounting hole 14 is aligned with the first pin shaft mounting hole 9 left and right.

[0029] Further, the base bottom plate 7 is provided with a plurality of mounting holes 12.

[0030] Further, the base longitudinal beam 13 and the base bottom plate 7 are provided with a reinforcing rib 8 therebetween.

[0031] Further, the turnover connecting beam 2 comprises a connecting area 2-2, one end of which is provided with a first mounting hole arrangement area 2-1, and the other end of which is provided with a second mounting hole arrangement area 2-3, and the longitudinal section of the first mounting hole arrangement area 2-1, the connecting area 2-2 and the second mounting hole arrangement area 2-3 are all U-shaped.

[0032] The first mounting hole arrangement area 2-1 comprises front and rear symmetrically arranged rectangular hole arrangement areas 2-11, the upper ends of the two rectangular hole arrangement areas 2-11 are transitionally connected with a first cross beam 2-12, and the upper parts in the two rectangular hole arrangement areas 2-11 are both provided with a second pin shaft mounting hole 15, and the lower part of each second pin shaft mounting hole 15 is provided with a third quick-release pin mounting hole 16.

[0033] Further, the second mounting hole arrangement area 2-3 comprises front and rear symmetrically arranged special-shaped hole arrangement areas 2-31, the upper ends of the two special-shaped hole arrangement areas 2-31 are transitionally connected with a second cross beam 2-32, and the special-shaped hole arrangement area 2-31 is provided with a plurality of connecting holes.

[0034] Further, the connecting area 2-2 comprises front and rear symmetrically arranged rectangular connecting areas 2-21, the upper ends of the rectangular connecting areas are transitionally connected with a third cross beam 2-22, the first end of the third cross beam 2-22 is transitionally connected with the first cross beam 2-12, and the second end of the third cross beam 2-22 is transitionally connected with the second cross beam 2-32; the first end of the rectangular connecting area 2-21 is transitionally connected with the rectangular hole arrangement area 2-11, and the second end of the rectangular connecting area 2-21 is transitionally connected with the connecting hole arrangement area 2-31.

[0035] In this embodiment: as Figure 2As shown, the turnover connecting beam 2 is provided with a pin shaft mounting hole 15 matched with the fixed base 1; the turnover connecting beam 2 is provided with a quick-release pin mounting hole 16 matched with the fixed base 1 when the folding or unfolding state is in place; the turnover connecting beam 2 is provided with a pin shaft mounting hole 17 matched with the pedal connecting assembly 6; the turnover connecting beam 2 is provided with a quick-release pin mounting hole 18 in the folding state of the pedal connecting assembly 6; the turnover connecting beam 2 is provided with a pin shaft mounting hole 19 matched with the turnover limiting connecting rod 5.

[0036] The above description is merely a specific implementation of the present application, which enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application.

[0037] It should be understood that the present application is not limited to the above-described and described content, and various modifications and changes can be made without departing from the scope thereof. The scope of the present application is limited only by the appended claims.

Claims

1. A folding mechanism, characterized by, It includes fixed base (1) and overturning connecting beam (2), first quick release pin mounting hole (14), second pin shaft mounting hole (15), second quick release pin mounting hole (10) are provided on the fixed base (1), second pin shaft mounting hole (15) and third quick release pin mounting hole (16) are provided on the overturning connecting beam (2), the same pin shaft is rotatably penetrated in the second pin shaft mounting hole (15) and first pin shaft mounting hole (9); The third quick release pin mounting hole (16) and the first quick release pin mounting hole (14) are fixed by inserting the same first quick release pin in the second quick release pin mounting hole (10), which realizes the fixing of the fixed base (1) and the overturning connecting beam (2) in the 45° direction; The third quick release pin mounting hole (16) and the first quick release pin mounting hole (14) are fixed by inserting the same first quick release pin in the second quick release pin mounting hole (10), which realizes the fixing of the fixed base (1) and the overturning connecting beam (2) in the 45° direction.

2. A folding mechanism according to claim 1, wherein The fixed base (1) includes base longitudinal beam (13), the lower end of the base longitudinal beam (13) is connected with base bottom plate (7), the upper end of the base longitudinal beam (13) is connected with base cross beam (11), the first quick release pin mounting hole (14) is located on the upper part of the base longitudinal beam (13), the first pin shaft mounting hole (9) and the second quick release pin mounting hole (10) are arranged side by side on the base cross beam (11), and the first quick release pin mounting hole (14) is aligned with the first pin shaft mounting hole (9) left and right.

3. A folding mechanism according to claim 2, wherein A plurality of mounting holes (12) are arranged on the base bottom plate (7).

4. A folding mechanism according to claim 2, wherein The base longitudinal beam (13) and the base bottom plate (7) are provided with reinforcing ribs (8).

5. The folding mechanism of claim 1, wherein, The overturning connecting beam (2) includes connecting area (2-2), one end of the connecting area (2-2) is provided with first mounting hole setting area (2-1), the other end of the connecting area (2-2) is provided with second mounting hole setting area (2-3), the longitudinal section of the first mounting hole setting area (2-1), the connecting area (2-2) and the second mounting hole setting area (2-3) are all U-shaped; The first mounting hole setting area (2-1) includes front and rear symmetrical rectangular hole setting area (2-11), the upper ends of the two rectangular hole setting areas (2-11) are transitionally connected with first cross beam (2-12), the upper parts in the two rectangular hole setting areas (2-11) are provided with second pin shaft mounting hole (15), and the third quick release pin mounting hole (16) is arranged below each second pin shaft mounting hole (15).

6. A folding mechanism according to claim 5, wherein The second mounting hole setting area (2-3) includes front and rear symmetrical special-shaped hole setting area (2-31), the upper ends of the two special-shaped hole setting areas (2-31) are transitionally connected with second cross beam (2-32), and a plurality of connecting holes are arranged in the special-shaped hole setting area (2-31).

7. A folding mechanism according to claim 6, wherein The connecting area (2-2) comprises a rectangular connecting area (2-21) symmetrically arranged front and back, the upper end of the rectangular connecting area is transitionally connected with a third cross beam (2-22), the first end of the third cross beam (2-22) is transitionally connected with the first cross beam (2-12), and the second end of the third cross beam (2-22) is transitionally connected with the second cross beam (2-32); the first end of the rectangular connecting area (2-21) is transitionally connected with the rectangular hole arrangement area (2-11), and the second end of the rectangular connecting area (2-21) is transitionally connected with the connecting hole arrangement area (2-31).

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