CN216519156U - Movable connection device and foldable steel structure - Google Patents

Abstract

The utility model discloses a movable connecting device which comprises a first sleeve and a second sleeve, wherein one end of the first sleeve is provided with a first mounting cavity, and the other end of the first sleeve is a first solid section; one end of the second sleeve is provided with a second mounting cavity, and the other end of the second sleeve is a second solid section; the first and second solid sections are connected by a hinge about which the first and second sleeves can be folded together or unfolded into a linear arrangement. The foldable steel structure comprises a first steel member and a second steel member which are connected through a movable connecting device to form the foldable steel structure. The movable connecting device is simple to manufacture and can be suitable for connecting steel members with the same or different shapes and models; the steel member after using the swing joint device to connect passes through the solid end transmission stress of joint, and the bearing capacity is strong, and the required precision when connecting the steel member is also lower simultaneously.

Description

Movable connection device and foldable steel structure

Technical Field

The utility model relates to a movable connecting device and a foldable steel structure, and belongs to the technical field of steel structures.

Background

Steel is an important material, and people have made various appliances by using steel since a long time ago, and steel structures with the characteristics of high strength, convenience in installation and the like are widely applied in the fields of bridges, buildings and the like along with the progress of smelting and construction technologies. The connection of the steel structure mainly adopts the fixed connection processes of welding, bolts, rivets and the like, and the functional requirements of the folding steel structure are difficult to meet.

Chinese utility model patent publication No. CN206667849U discloses a folding protection canopy, including four stands, be connected with the horizontal pole through the articulated elements respectively between the top of stand, the top of stand is passed through the articulated elements and is articulated to have the roofing bracing, still articulates between the roofing bracing to have the roof beam pole, lay rain-proof canvas on roofing bracing and the roof beam pole. Through the nimble use of all kinds of articulated elements, make the protection canopy conveniently remove at the scene, the long distance transportation of being convenient for, material saving cost improves work efficiency. The utility model discloses an use of all kinds of articulated elements makes fixed connection between the member, but can not satisfy the demand of foldable steel construction.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a movable connecting device and a foldable steel structure, wherein the movable connecting device can be arranged at the connecting position of steel members to be folded, so that the steel members can be connected in a foldable manner.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a movable connecting device which structural feature is: the sleeve comprises a first sleeve and a second sleeve, wherein one end of the first sleeve is provided with a first installation cavity, and the other end of the first sleeve is a first solid section; one end of the second sleeve is provided with a second mounting cavity, and the other end of the second sleeve is a second solid section; the first and second solid sections are connected by a hinge about which the first and second sleeves can be folded together or unfolded into a linear arrangement. The movable connecting device has a simple structure, can be applied to the joints of steel members needing to be folded, and is suitable for the connection of the steel members between the same or different shapes and models.

Specifically, articulated portion includes articulated rod, fastener and articulated seat, articulated seat is cylindric structure, and is a plurality of articulated seat passes through the articulated rod is connected, articulated rod both ends are passed through the fastener is fixed.

Preferably, the first sleeve and the second sleeve are both cuboid structures.

Specifically, be equipped with the first installing port of arranging along width direction on the outer terminal surface of first solid section, be equipped with the second installing port of arranging along width direction on the outer terminal surface of the solid section of second, be equipped with respectively on first installing port and the second installing port articulated seat.

Preferably, the first mounting opening and the second mounting opening are both arc surface notches.

Specifically, the two ends of the first mounting port are respectively provided with the hinged seats, the middle of the second mounting port is provided with the hinged seats, and the length of each hinged seat is smaller than or equal to that of the first mounting port.

Specifically, the hinge rod is a cylindrical rod-shaped structure, and the diameter of the hinge rod is smaller than the inner diameter of the hinge seat.

Based on the same inventive concept, the utility model also provides a foldable steel structure, which comprises a first steel member and a second steel member, wherein the first steel member is fixedly arranged in the first installation cavity, and the second steel member is fixedly arranged in the second installation cavity. The connected first steel member and the second steel member transmit stress through the first solid section and the second solid section, the loading capacity is strong, and meanwhile, the precision requirement on the connection of the steel members is low; meanwhile, the steel members can be in close contact after being folded, so that the occupied space of the folded steel members is reduced, and the steel members are protected.

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

1. the movable connecting device is simple to manufacture and can be suitable for connecting steel members with the same or different shapes and models.

2. The steel member after using the swing joint device to connect passes through the solid end transmission stress of joint, and the bearing capacity is strong, and the required precision when connecting the steel member is also lower simultaneously.

3. The steel member can be in close contact after being folded, thereby reducing the occupied space of the folded steel member and protecting the steel member.

Drawings

FIG. 1 is a perspective view of an articulating mechanism of the present invention;

FIG. 2 is a plan view of the first sleeve of FIG. 1;

FIG. 3 is a plan view of the second sleeve of FIG. 1;

FIG. 4 is a schematic view of the hinge of FIG. 1;

FIG. 5 is a plan view of the articulating mechanism of FIG. 1 in an expanded condition;

FIG. 6 is a plan view of the articulating mechanism of FIG. 1 in a collapsed condition;

fig. 7 is a plan view of a foldable steel structure to which the articulated apparatus of fig. 1 is applied.

In the drawings, 1-first sleeve; 11-a first mounting cavity; 12-a first solid section; 13-a first mounting port; 2-a second sleeve; 21-a second mounting cavity; 22-a second solid section; 23-a second mounting port; 3-a hinge; 31-a hinged seat; 32-a hinged lever; 33-a fastener; 4-a first steel member; 5-a second steel member.

Detailed Description

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1, the movable connecting device comprises a first sleeve 1, a second sleeve 2 and a hinge part 3. As shown in fig. 2, one end of the first sleeve 1 is provided with a first mounting cavity 11, and the other end is provided with a first solid section 12. As shown in fig. 3, one end of the second sleeve 2 is provided with a second mounting cavity 21, and the other end is provided with a second solid section 22. As shown in fig. 5 and 6, the first solid section 12 and the second solid section 22 are connected by a hinge 3, and the first sleeve 1 and the second sleeve 2 can be folded together or unfolded around the hinge 3 to be arranged in a straight line. The first sleeve 1 and the second sleeve 2 are both rectangular steel sleeves and are consistent in structural size. The cross-sectional shape of the first mounting cavity 11 is rectangular, the outer cross-sectional dimension is 36mm multiplied by 36mm, and the inner cross-sectional dimension is 30mm multiplied by 30 mm. The first solid section 12 has a cross-sectional dimension of 36mm x 36mm and a length of 8 mm. As shown in fig. 2, the outer end face of the first solid section 12 is provided with a first mounting opening 13 arranged along the width direction, and the cross-sectional shape of the first mounting opening 13 is 1/4 circular, and the diameter is phi 16 mm. As shown in fig. 3, a second mounting opening 23 is arranged on the outer end face of the second solid section 22 along the width direction, and the cross-sectional shape of the second mounting opening 23 is 1/4 circular, and the diameter is Φ 16 mm. As shown in fig. 4, the hinge portion 3 includes a hinge rod 32, a fastener 33 and a hinge seat 31, the hinge seat 31 is a cylindrical structure, three hinge seats 31 are connected by the hinge rod 32, and two ends of the hinge rod 32 are fixed by the fastener 33. The hinged seats 31 are of cylindrical metal structures, the outer diameter of each hinged seat is phi 16mm, the inner diameter of each hinged seat is phi 10mm, the length of each hinged seat is 12mm, and the sum of the lengths of the three hinged seats 31 is equal to the width of the solid section 12. Two of the hinge seats 31 are welded inside two sides of the first mounting opening 13, and the other hinge seat 31 is welded in the middle of the second mounting opening 23. The hinged rod 3 is of a cylindrical metal structure, the diameter of the hinged rod is phi 9.5mm, the length of the hinged rod is 55mm, and round holes with the diameter of phi 5mm are drilled at two ends of the hinged rod. After the first sleeve 1, the second sleeve 2 and the three hinge seats 31 are assembled, the hinge rod 32 is inserted into the hinge seats 31, and two ends of the hinge rod are fixed by fasteners 33. The fastener 33 comprises a nut, a screw rod and a nut, the screw rod can penetrate through a phi 5mm round hole in the hinge rod 32, two ends of the screw rod are fixed through the nut and the nut, and the specification of the screw rod is M4.

As shown in figure 7, the foldable steel structure comprises a first steel member 4 and a second steel member 5, wherein the first steel member 4 and the second steel member 5 are connected through the movable connecting device. First steel member 4 through special glue fixed mounting in 11 in the first installation cavity, second steel member 5 through special glue fixed mounting in 21 in the second installation cavity. First steel member 4 and second steel member 5 are connected the back through swing joint device, and the solid section of accessible 12 and the solid section 22 transmission stress of second, the bearing capacity is strong, and the required precision when connecting the steel member is also lower simultaneously.

The foregoing examples are set forth to illustrate the present invention more clearly and are not to be construed as limiting the scope of the utility model, which is defined in the appended claims to which the utility model pertains, as modified in all equivalent forms, by those skilled in the art after reading the present invention.

Claims (8)

1. A kind of movable connecting device, characterized by: the sleeve comprises a first sleeve (1) and a second sleeve (2), wherein one end of the first sleeve (1) is provided with a first mounting cavity (11), and the other end of the first sleeve is provided with a first solid section (12); one end of the second sleeve (2) is provided with a second mounting cavity (21), and the other end of the second sleeve is provided with a second solid section (22); the first solid section (12) and the second solid section (22) are connected by a hinge (3), and the first sleeve (1) and the second sleeve (2) can be folded together or unfolded around the hinge (3) to be arranged in a straight line.

2. The articulating mechanism of claim 1, wherein: the hinge part (3) comprises a hinge seat (31), a hinge rod (32) and a fastener (33), the hinge seat (31) is of a cylindrical structure, the hinge seats (31) are connected through the hinge rod (32), and two ends of the hinge rod (32) are fixed through the fastener (33).

3. The articulating mechanism of claim 2 wherein: the first sleeve (1) and the second sleeve (2) are both of cuboid structures.

4. The articulating mechanism of claim 3 wherein: be equipped with on the outer terminal surface of first solid section (12) along first installing port (13) that width direction arranged, be equipped with on the outer terminal surface of second solid section (22) along second installing port (23) that width direction arranged, be equipped with respectively on first installing port (13) and second installing port (23) articulated seat (31).

5. The articulating mechanism of claim 4 wherein: the first mounting opening (13) and the second mounting opening (23) are both arc surface notches.

6. The articulating mechanism of claim 5 wherein: the both ends of first installing port (13) are equipped with respectively articulated seat (31), the middle part of second installing port (23) is equipped with articulated seat (31), it is three the length of articulated seat (31) is less than or equal to the length of first installing port (13).

7. The articulating mechanism of claim 2 wherein: the hinge rod (32) is of a cylindrical rod-shaped structure, and the diameter of the hinge rod (32) is smaller than the inner diameter of the hinge seat (31).

8. A collapsible steel structure comprising a first steel member (4) and a second steel member (5), characterized in that: further comprising an articulating mechanism as claimed in claims 1 to 7, the first steel member (4) being fixedly mounted in the first mounting cavity (11) and the second steel member (5) being fixedly mounted in the second mounting cavity (21).

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