KR102070926B1 - Space frame - Google Patents

Abstract

The present invention relates to a space frame. The space frame comprises: a connection ball having a plurality of coupling holes formed on the outer surface thereof; a member wherein cones of a conic shape having a penetration hole therein are arranged on both opened sides of a connection pipe; a connection bolt wherein one end thereof with a screw unit protrudes to the outside through the penetration hole of the cone, the protruding outer circumferential surface thereof forms a body unit having a polygonal circumference, and a head unit arranged on the other end thereof is rotatably arranged while being stopped on the inner surface of the cone; a sleeve having a hollow space with a polygonal circumference corresponding to the body unit of the connection bolt, and forming an integrally connected state with the connection bolt while the protruding one end of the connection bolt is inserted into the hollow space; and a protection device to enclose the sleeve and block and protect the sleeve from the outside. According to the present invention, since the sleeve for rotation of the connection bolt can be protected from external environmental factors by the protection device, corrosion of the sleeve can be prevented and corrosion of components connected to the sleeve can also be prevented.

Description

Space Frame {SPACE FRAME}

The present invention relates to a space frame, and more particularly, to a space frame for forming a truss structure.

In general, the space frame is a type of three-dimensional truss construction, widely used in roof structures of various structures such as gymnasiums, swimming pools, exhibition halls, factories, warehouses, and other large structures such as steel towers, bridges, and symbolic towers. .

The conventional space frame comprises member members such as upper chords, lower chords, and inclined members which integrally weld cone members to both ends of a long cylindrical steel pipe, and bolts provided at the ends of the member members are formed on the ball members. The member member and the ball member are coupled to each other by screwing into the screw groove. That is, the truss structure is completed by coupling the member member to the ball member.

In this prior art related to the space frame, Korean Patent Publication No. 10-1295346 (2013.08.15) discloses a "space frame". The space frame according to the prior art is a rod having a hollow portion therein, the cover member is fixed to the end of the rod, the support hole is formed to penetrate through one side, one end is inserted into the support hole so as to protrude out of the cover member, the other end The arm unit includes a fixing member provided with a head portion supported by the cover member, and a sealing portion provided between the cover member and the head portion to prevent moisture from entering the rod; One end of the fixing member of the arm unit is screwed to the outer peripheral surface to form a structure; consisting of, characterized in that it prevents the corrosion or breakage of the rod by blocking the moisture flowing into the rod through the sealing portion.

However, in the conventional space frame, water penetrates into the sleeve between the connecting member and the sleeve, between the sleeve and the cover member, and the through hole of the sleeve, and the inside of the connecting member or the cover member connected thereto as well as the fixing member is corroded together. There was a problem that can not be reused because of its configuration.

Here, even if a sealing member or a gasket is disposed between the connecting member and the sleeve and between the sleeve and the cover member, the sleeve surrounding the fixing member is always exposed to the outside, so that water is introduced into the sleeve through the through hole of the sleeve. The outer surface of the sleeve, which can be easily introduced and has frequent contact with water or moisture, can be easily corroded.

In particular, since the sleeve is exposed to the outside, it can be easily rotated by an external force that can be generated through external environmental factors, in this case, the interlocking fixed member is gradually separated from the connecting member and the aforementioned connecting member. A gap is generated between the sleeve and between the sleeve and the cover member, and water can easily flow into the sleeve through the gap between the sleeve, and seriously, the truss structure collapses due to the release of the fastening member and the connection member. There was also a problem that occurred.

Korean Patent Registration No. 10-1295346 (2013.08.15) "Space Frame"

The present invention is to solve the above problems, and an object thereof is to provide a space frame that can protect the sleeve from environmental factors.

In order to achieve the above object, the space frame according to the present invention includes a connection ball having a plurality of fastening holes formed on an outer circumferential surface thereof; Conical cone having a through-hole inside the member is provided on each side of the open side of the connection pipe; One end with a threaded portion protrudes to the outside through the through hole of the cone, the protruding outer peripheral surface forms a body portion having a circumference of the polygon, and the head portion provided on the other end is rotatable in a state that is caught on the inner surface of the cone A connecting bolt provided; A sleeve having a circumference of a polygon corresponding to the body portion of the connecting bolt, and having a protruding end of the connecting bolt inserted into the hollow and integrally connected to the connecting bolt; And a protection device provided in a form surrounding the sleeve and blocking the sleeve from the outside to protect the sleeve.

This, the space frame is preferably connected to the connecting ball through the member through the connecting bolt that rotates in conjunction with the rotation of the sleeve.

As described above, the protection device forms a cylindrical shape, one side of which is open, the first fastening portion which is fastened to the fastening hole of the connection ball on the other open side is formed to protrude to the outside, the threaded portion of the connection bolt on the open side A first connector in which a second fastening part to be fastened is recessed inwardly; Both sides of the connecting bolt is formed to form a cylindrical shape open, the outer peripheral surface is formed with a third fastening portion is fastened to the thread provided on the inner circumferential surface of the through-hole of the cone, the support is extended to protrude along the periphery on one side of the outer peripheral surface A second connector additionally provided; A moving member forming a ring shape and movably disposed along a longitudinal direction of the sleeve or the second connector penetrating the inner side; A blocking member having one end fixed to one side of the support part of the second connector and the other end fixed to one side of the movable member facing the support part and stretched according to the position of the movable member; And an elastic member, one end of which is fixed to the support of the second connector and the other end of which is fixed to the moving member, such that the moving member is in close contact with the first connector. do.

The protection device may further include a locking means for detachably fixing the movable member to a portion of the first connector or detachably fixing to the portion of the second connector.

The locking means detachably attaches the movable member to a portion of the first connector to maintain the sleeve closed from the outside so that the blocking member blocks and protects the sleeve from the outside so as to surround the sleeve. Closing holding portion for fixing possible; And an opening for detachably fixing the movable member to a portion of the second connector so as to keep the sleeve open to the outside so that the blocking member can be manipulated by exposing the sleeve to the outside from the sleeve. It includes a holding unit.

As described above, the closing part may include: a first locking groove recessed along a circumference inside the stepped portion of the first connector; And a first locking protrusion protruding along an outer circumference of the moving member to be caught by the first locking groove.

As described above, the opening includes a second locking groove recessed along a circumference of one side of the outer circumferential surface of the second connector; And a second locking protrusion protruding along an inner circumferential surface of the moving member to be caught by the second locking groove.

In addition, the space frame according to the present invention is to prevent the play between the connection ball and the cone to prevent the play generated between the connection ball and the cone in order to adjust the separation distance between the connection ball and the cone. It may further include a.

The gap prevention part may include a clearance groove having an inner diameter corresponding to an outer diameter of the sleeve so that the sleeve enters and exits the inside of the second connector; And a clearance ring provided in the clearance groove or removed from the coupling bolt in a state of being fitted outside the body of the connection bolt according to the length of the connection bolt to be replaced.

In addition, the space frame according to the present invention has a long hole shape penetrating from the outer circumferential surface to the inner circumferential surface in the longitudinal direction on one side of the second connector in order to determine the number of the play ring provided in the play groove. And two check holes.

In addition, the space frame according to the present invention may further include a confirmation means for confirming the tightening state of the connection bolt.

As described above, the checking means may include a first check hole having a long hole shape penetrating from the outer circumferential surface to the hollow in the longitudinal direction on one side of the sleeve; And a pin member whose one end is fixed to penetrate one side of the connecting bolt through the first check hole and the other end is disposed in the first check hole.

The checking means may check the tightening state of the connecting bolt connected to the first connector according to the position of the pin member moved in the first check hole.

In addition, the space frame according to the present invention is such that when the sleeve is closed from the outside by the blocking member of the protective device, heat generated in the inner space provided by the blocking member is released from the inner space. A heat dissipation hole may be further included.

In addition, the space frame according to the present invention is a filter for blocking foreign matter from entering the connection pipe of the member through the heat dissipation hole when the sleeve is opened to the outside by the blocking member of the protective device. It may further include a member.

According to the space frame according to the present invention, the sleeve for the rotation of the connection bolt can be protected from the external environmental factors through the protection device to prevent corrosion of the sleeve, as well as to prevent corrosion of the components connected thereto. have.

In particular, when the sleeve is closed from the outside by the blocking member, since external force that may be generated from the outside is blocked at the source, it is possible to prevent loosening of the connection bolt due to external environmental factors. In addition, when the sleeve is opened by the blocking member, the operator can easily operate the sleeve by using a separate tool. That is, maintenance of the space frame is very easy.

Then, the loosening state of the connection bolt can be easily confirmed through the first check hole provided in the sleeve. In this case, since the sleeve is closed from the outside by the blocking member as described above, water may be prevented from permeating into the connection bolt or the components connected thereto through the first check hole.

In addition, the separation distance between the connection ball and the cone can be easily adjusted, and at this time, the number of play rings may be adjusted between the first connector, the second connector, and the sleeve according to the length of the connection bolt to be replaced. You can also remove any play. At this time, even if the separation distance between the connection ball and the cone is adjusted, since the blocking member is stretched correspondingly, even in this case, it is possible to easily protect the sleeve from the external environmental factors through the blocking member.

1 is a view showing a part of a space frame according to the present invention.
FIG. 2 is a diagram illustrating an exploded state of FIG. 1.
3 is a view showing a cross-sectional state of FIG.
Figure 4 is a view showing an embodiment for adjusting the separation distance between the connection ball and the cone.
5 is a diagram illustrating a part of a space frame according to another embodiment of the present invention.
FIG. 6 is a diagram illustrating an exploded state of FIG. 5.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

Unless otherwise defined, all terms in the specification are the same as the general meaning of the terms understood by those skilled in the art, and if the terms used herein conflict with the general meaning of the terms Is in accordance with the definitions used herein.

On the other hand, the configuration or system of the device to be described below is not intended to limit the scope of the present invention, but to describe the embodiments of the present invention, the same reference numerals used throughout the specification are the same components Indicates.

The space frame 10 according to the present invention includes a connection ball 100, a member 200, a connection bolt 300, a sleeve 400, and a protective device 500 as shown in FIG. 2.

The connection ball 100 is configured to be connected to the member 200 to be described later in a multi-angle, spherical shape, a plurality of fastening holes 110 along the outer surface may be formed recessed. The fastening hole 110 may have a thread formed on an inner circumferential surface thereof. For example, the fastening hole 110 of the connection ball 100 may be variously modified in position and number depending on the design condition and purpose of the truss structure using the space frame 10.

The member 200 is configured to form a skeleton of the space frame 10, and includes a connection pipe 230 and a cone 210.

The connection pipe 230 is a configuration disposed between the connection ball 100 and the other connection ball 100, may form a steel pipe having a predetermined length. For example, the connection pipe 230 may form a circular or polygonal shape, in the present invention may be a square or rectangular shape. The connection pipe 230 forms an opening at both sides thereof, and the cone 210 to be described later may be connected to the opening, respectively, but is preferably integrally connected to the cone 210 through a welding joint. In order to separate from the cone 210 may be integrally connected through a screwing method.

The connection pipe 230 may be provided with an access hole 231 having a long hole shape formed to penetrate in the longitudinal direction on one side in order to access the connection bolt 300 to be described later. This, the entrance hole 231 can be opened and closed through the packing member is provided separately, this is a general configuration and a detailed description thereof will be omitted.

Cone 210 is configured to have a connection bolt 300 to be described later, forms a pyramid shape corresponding to the shape of the circumference of the connection pipe 230 described above, a portion of the connection bolt 300 through the inside A through hole 211 that may be provided in a state may be provided. The through-hole 211 is formed to be larger than the size of the diameter of a portion of the connecting bolt 300, it is preferably formed smaller than the size of the diameter of the head portion 350 of the connecting bolt 300. This, one end of the threaded connection bolt 300 is inserted into the through hole 211 to be exposed to the outside of the cone 210, the head portion 350 of the connection bolt 300 is the inside of the cone 210 This is to prevent the escape from the outside of the cone 210 is caught.

Here, the through hole 211 may be a screw thread formed on the inner circumferential surface, which is for the second coupling portion 513 provided on one side of the second connector 520 to be described later is screwed.

The connection bolt 300 is configured to connect the member 200 to the connection ball 100, and is provided at the other end of the body portion 330 and the screw portion 310 and the body portion 330 provided at one end thereof. It can be in the form of a conventional bolt having a head portion 350 to be. The body portion 330 of the connection bolt 300 may have a circumference of a polygonal surface, which forms a shape corresponding to the hollow 410 provided inside the sleeve 400 to be described later. This is to integrally connect with the sleeve 400 in a state of being inserted into the hollow 410.

Here, the connection bolt 300 is inserted into the through hole 211 of the cone 210 through the entrance hole 231 of the above-described connection pipe 230 or the cone 210 in a state in which the connection pipe 230 is separated. It may be inserted directly into the through-hole 211 of. At this time, the connection bolt 300 is provided with a threaded threaded portion 310 and a portion of the body portion 330 adjacent thereto are protruded to the outside of the cone 210, the head portion 350 of the cone 210 It may be rotatably provided in the through hole 211 of the cone 210 as supported on the inner side.

And, the connection bolt 300 is rotated by the sleeve 400 to be described later, the screw portion 310 provided at one end may be directly coupled to the fastening hole 110 of the connection ball 100, in the present invention, the connection ball It is preferable to be screwed to the first fastening portion 511 of the first connector 510 of the protection device 500 to be described later connected to (100). This, in order to connect the protective device 500 for protecting the sleeve 400 to the connection ball 100 used in the past, will be described in detail through the assembly process to be described later.

On the other hand, the body portion 330 of the connection bolt 300 may be provided in a variety of set length, which is to adjust the separation distance between the connection ball 100 and the cone 210, in accordance with the overall design of the truss structure To be used as an alternative. For example, the set length formed by the body portion 330 of the connecting bolt 300 is a length reduced by a length corresponding to the thickness of the auxiliary ring to be described later from the set length as shown in Figure 3, shown in Figure 4 Each step may be molded in steps up to a set road as shown. However, it does not limit the length of the body portion 330 thereof, but may be formed longer step by step to another set length.

The sleeve 400 is configured to rotate the connection bolt 300, and may form a steel pipe having a predetermined length. In detail, the sleeve 400 is provided with a hollow 410 having a perimeter of the polygon corresponding to the body portion 330 of the connection bolt 300 described above, the outer peripheral surface may form a perimeter of the polygon. As such, the sleeve 400 is supported by the inner circumferential surface of the hollow 410 and the outer circumferential surface of the body portion 330 are aligned with each other as the body portion 330 of the connection bolt 300 is inserted into the hollow 410. In this case, the connected state can be achieved.

Here, as the sleeve 400 is rotated using a separate tool, the connecting bolt 300 connected thereto may be rotated together.

On the other hand, the space frame 10 according to the present invention may further include a confirmation means 700 that can confirm the tightening state of the connection bolt 300 in the assembly process to be described later. The confirmation means 700 includes a first check hole 710 and a pin member 730.

The first check hole 710 is a configuration for confirming the position of the connection bolt 300, the long hole form penetrating from the outer peripheral surface to the hollow 410 in the longitudinal direction on one side of the sleeve 400 described above Can be achieved. The first check hole 710 may be provided with a pin member 730 to be described below in a penetrating state, and may limit a moving distance of the pin member 730.

The pin member 730 is another configuration for checking the position of the connection bolt 300, it may be composed of a pin having a predetermined length, the thread may be formed on the outer peripheral surface, a straight or cross on one end surface Driver grooves may be provided. Such, the pin member 730 is disposed perpendicular to the longitudinal direction of the first check hole 710, one end of the body portion 330 of the connecting bolt 300 through the first check hole 710 While being screwed into the connection groove 300a provided in the other end, the other end may be disposed in the first check hole 710. Accordingly, because the pin member 730 is integrally connected with the connecting bolt 300 is moved together with the connecting bolt 300 which is moved in the left and right directions by the rotation of the sleeve 400 through which the worker is connected The tightening state of the bolt 300 can be easily confirmed.

On the other hand, the pin member 730 is disposed in the first fastening hole 110, the movable bolt 300 is connected to the first fastening hole 110 because it is only movable within the range of the first fastening hole (110). To move only within the range of), it is possible to limit the moving distance of the connection bolt (300). That is, the pin member 730 may prevent the connection bolt 300 from being separated from the first connector 510 unless the pin member 730 is separated from the connection bolt 300 after the assembly process to be described later.

The protection device 500 is configured to protect the aforementioned sleeve 400 from external environmental factors, and includes a first connector 510, a second connector 520, a moving member 530, and a blocking member 540. do.

The first connector 510 is one configuration for blocking the sleeve 400 from the outside, one side is to form an open cylindrical shape, so as to be fastened to the fastening hole 110 of the connection ball 100 on the other open side The first fastening portion 511 formed with a thread on the outer circumferential surface protrudes outward, and the second fastening portion 513 with a thread is recessed inward so that the threaded portion 310 of the connecting bolt 300 is fastened to an open side. The stepped portion 515 may be formed to protrude in an open direction along the end circumference. The first connector 510 is fixed to one side of the connection ball 100 as the first fastening part 511 is screwed to one of the fastening holes 110 of the connection ball 100. Can be arranged.

Here, the first connector 510 may be provided with at least two parallel surfaces on a portion of the outer circumferential surface. This is to tighten the first connector 510 to be firmly fixed to the connection ball 100 by using a separate tool capable of supporting its parallel surface.

Meanwhile, a sealing member made of a rubber material may be provided between the connection ball 100 and the first connector 510, which prevents water or moisture from penetrating between the connection ball 100 and the first connector 510. In a typical configuration for the following, detailed description thereof will be omitted.

The second connector 520 is another configuration for blocking the sleeve 400 from the outside, both sides of the open cylindrical shape, the outer circumferential surface on one side of the through hole 211 of the cone 210 described above A third fastening part 521 may be formed to form a screw thread to be fastened to the screw thread, and a support part 527 may be provided to protrude along the circumference of one side of the outer circumferential surface thereof. In addition, the second connector 520 may have a size corresponding to the size of the diameter of the diameter of the inner circumferential surface of the body 330 of the connecting bolt 300, and the support 527. As a reference, the size of the outer diameter formed by the other side of the third fastening part 521 may be greater than the size that can be achieved around the outer circumferential surface of the sleeve 400 described above. The second connector 520 may be disposed in a fixed state on one side of the cone 210 as the third fastening portion 521 is screwed into the through hole 211 of the cone 210. .

Here, the second connector 520 may be provided with at least two parallel surfaces on a portion of the outer peripheral surface of the end of the support portion 527. This is to tighten the second connector 520 to be firmly fixed to the cone 210 by using a separate tool capable of supporting its parallel surface.

On the other hand, the sealing member described above may be provided between the support portion 527 and the cone 210 of the second connector 520, which is to prevent water or moisture from seeping between the second connector 520 and the cone 210. The conventional configuration for preventing, detailed description thereof will be omitted.

The moving member 530 is configured to stretch the blocking member 540 to be described later, and may have a ring shape having a predetermined thickness. In detail, the movable member 530 may have a size corresponding to the diameter of the inner circumferential surface of the stepped portion 515 of the first cable, and the size of the diameter formed by the inner circumferential surface of the moving member 530 may be the second connector 520. It can achieve a size corresponding to the size of the diameter of the outer peripheral surface of the). The moving member 530 may be disposed to be movable along the longitudinal direction of the sleeve 400 or the second connector 520 passing through the inner side. For example, the moving member 530 may be made of elastically deformable rubber or plastic material, which may be easily inserted into the step 515 of the first connector 510 in an assembly process to be described later. This is to maintain confidentiality with the 510.

Here, as shown in FIG. 3, the movable member 530 is elastically supported by the elastic member 550 to be described later in a state in which the movable member 530 is disposed inside the step 515 of the first connector 510. It may be fixed as it is in close contact with the open inner surface of the connector 510.

On the other hand, the movable member 530 may be provided with a grip portion (531).

Gripping portion 531 is a configuration that can be easily gripped by the operator to move the moving member 530 in the assembly process to be described later, a predetermined length along the circumference at one end facing the cone 210 to be described later As much as the cone 210 may be formed in the protruding direction. For example, a knurling may be formed on the outer circumferential surface of the gripping portion 531 so that friction with a finger of an operator occurs.

The blocking member 540 is configured to block the sleeve 400 from external environmental factors and may form a stretchable bellows shape. For example, the blocking member 540 may be made of a material such as elastically deformable rubber or plastic, but preferably made of a rubber material in the present invention. This, the blocking member 540 is disposed in a form surrounding the sleeve 400 described above, one end may be fixed to one side of the support portion 527 of the second connector 520, the other end of the second connector ( The support part 527 of the 520 may be fixed to one side of the moving member 530 facing the one side. At this time, both ends of the blocking member 540 may be fixed to the second connector 520 and the moving member 530 through adhesives provided separately.

Here, the blocking member 540 may be extended or reduced while the moving member 530 is selectively moved to the left or right in the longitudinal direction of the connection bolt 300 by the operator. This is to close the sleeve 400 from the outside to protect the sleeve 400 from the outside, or to open the sleeve 400 to the outside to expose the sleeve 400 to the outside to allow the operation of the sleeve 400. For sake.

The elastic member 550 is configured to elastically support the moving member 530 so as to maintain the above-described moving member 530 provided inside the step 515 of the first connector 510, for example, It may be composed of a spring having an elastic restoring force. The elastic member 550 is disposed inside the blocking member 540 in such a manner as to surround the second connector 520 or the sleeve 400 inwardly, and one end of the elastic member 550 is disposed on one side of the support part 527 of the second connector. The other end may be fixed to one side of the moving member 530 facing one side of the support part 527 of the second connector 520. In this case, both ends of the elastic member 550 may be fixed in a state in which the respective ends of the elastic member 550 are fitted into the grooves which may be provided on one side of the support part 527 and one side of the movable member 530. It may be more firmly fixed through a separate adhesive or the like.

Here, since the elastic member 550 elastically supports one side of the moving member 530 at all times, the movable member 530 may be temporarily fixed to be in close contact with the open inner surface of the first connector 510. And, the moving member 530 is moved by the operator toward the support portion 527 of the second connector 520 may be in a compressed state, the external force applied by the operator disappears and at the same time elastically restored the moving member The 530 may be elastically supported to closely contact the inside of the step 515 of the first connector 510.

On the other hand, the protection device 500 may further include a locking means 560 for fixing the moving member 530 in a set position. Such a locking means 560 includes a closing holding portion 563 and an opening holding portion 563 as shown in FIG.

The closing and holding part 563 is a moving member to maintain the state in which the sleeve 400 is closed from the outside so that the blocking member 540 blocks and protects the sleeve 400 from the outside in a form surrounding the sleeve 400. The first locking groove 561a and the movable member recessed along the circumference of the first connector 510 to be detachably fixed to a portion of the first connector 510. The outer circumferential surface of the 530 is formed along the circumference and includes a first locking projection 561b that is caught by the first locking groove 561a.

Here, the closing and holding portion 563 is inserted into the step 515 of the first connector 510 by the moving member 530 by the operator or the elastic member 550 as shown in Figure 3 (a). As the first locking protrusion 561b is caught by the first locking groove 561a, the movement of the movable member 530 may be prevented, and thus, the blocking member 540 is deformed to surround the sleeve 400. As a result, the state in which the sleeve 400 is blocked from the outside can be maintained as it is.

The opening retaining portion 563 maintains the state in which the sleeve 400 is opened to the outside so that the blocking member 540 may move away from the sleeve 400 to expose the sleeve 400 to the outside to allow the operation of the sleeve 400. In order to, the movable member 530 is detachably fixed to a portion of the second connector 520, the second locking groove 563a which is formed recessed along the periphery on one side of the outer peripheral surface of the second connector 520 and The inner peripheral surface of the moving member 530 includes a second locking protrusion 563b that protrudes along the circumference and is caught by the second locking groove 563a.

In this case, as shown in (b) of FIG. 3, the opening and holding part 563 extrapolates the moving member 530 to the outside of the second connector 520 by the operator, and thus the second locking protrusion 563b is formed. 2, the movement of the movable member 530 can be prevented as the engaging groove 563a is prevented, which causes the blocking member 540 to deform from the sleeve 400 to be superimposed, and the sleeve 400 as it is. ) Can be kept open to the outside.

As such, as shown in FIG. 1, the sleeve 400 may be blocked and protected from external environmental factors through the protection device 500 having the above-described configuration. Accordingly, since the sleeve 400 is always closed from the outside as long as the sleeve 400 is not opened by the worker's need through the protection device 500, the first connector disposed at both ends of the sleeve 400 ( Even if a separate sealing member is not provided between the 510 and the second connector 520, water or moisture can be prevented from penetrating into the sleeve 400, and the tightening state of the connection bolt 300 is confirmed. In order to form a hole such as the first check hole 710 in the sleeve 400 to prevent water or moisture from seeping into the inside of the sleeve 400 through this. In addition, the sleeve 400 may prevent the loosening of the connection bolt 300 may be generated because the external force that can be applied from the external environmental factors are blocked by the blocking member 540 at the source.

In addition, the space frame 10 according to the present invention may be provided with any one of various connection bolts 300 having a set length as described above to adjust the separation distance between the connection ball 100 and the cone 210. Can be. In this case, as the length of the connection bolt 300 is replaced, the clearance is generated between the first connector 510, the second connector 520, and the sleeve 400 in an assembly process to be described later. It may further include a play prevention part 600 to. This, the play prevention part 600 includes a play groove 610 and a play ring 630 as shown in FIG.

The clearance groove 610 is a configuration for adjusting the clearance between the connection ball 100 and the cone 210, the recess formed from the other side in which the third fastening portion 521 of the second connector 520 is provided A groove may form a predetermined diameter. For example, the size of the diameter formed by the clearance groove 610 is preferably formed to correspond to the diameter that the outer circumferential surface of the sleeve 400 described above, which is the sleeve 400 is to be inserted into the clearance groove 610 To do so.

The clearance ring 630 is another configuration for adjusting the clearance between the connection ball 100 and the cone 210, but forms a ring shape having a set thickness, the inner peripheral surface of the body portion of the connection bolt 300 ( 330 may form a shape corresponding to the shape of the outer peripheral surface circumference, the outer diameter may form a size corresponding to the size of the diameter of the receiving groove. For example, the thickness of the clearance ring 630 may form a thickness corresponding to the length of the connection bolt 300 is stepped.

Here, the clearance ring 630 may be added or subtracted to adjust the distance between the connection ball 100 and the cone 210 in the assembly process to be described later. For example, it may be added or subtracted by a predetermined number in accordance with the length of the connection bolt 300 is replaced as shown in FIG.

In addition, the space frame 10 according to the present invention may further include a second check hole 525.

The second check hole 525 is configured to determine the number of the clearance rings 630 provided in the clearance groove 610 described above, and as shown in FIG. 3, that is, one side of the second connector 520. On the other side of the third fastening portion 521 provided based on (527) it can form a long hole form formed from the outer peripheral surface to the receiving groove in the longitudinal direction. As described above, the second check hole 525 may be exposed to the outside in a state in which the blocking member 540 leaves the sleeve 400 and opens a part of the second connector 520.

Here, since the second check hole 525 penetrates to the receiving groove of the second connector 520 like the first check hole 710, water or moisture may penetrate into the inside, but the above-described protection Since the device 500 is blocked and protected from external environmental factors like the sleeve 400, water or moisture can be easily prevented from penetrating into the inside.

In addition, the space frame 10 according to the present invention may further include a heat dissipation hole 800.

The heat dissipation hole 800 is configured to dissipate heat generated in the closed space when the sleeve 400 is closed by the blocking member 540 of the above-described protection device 500, and FIG. 5 and FIG. As shown in FIG. 6, a passage may be formed to extend from the support portion 527 of the second connector 520 to the cone 210. In detail, the heat dissipation holes 800 may be formed through a plurality of heat dissipation holes 800 at equal intervals along the circumference of the support part 527 of the second connector 520, and have a cone ( The through hole 211 of the 210 may be formed through at equal intervals along the circumference. For example, it is preferable that the heat dissipation hole 800 has a long hole shape extending along the circumference of the support part 527 or the through hole 211, which is heat dissipated when the second connector 520 and the cone 210 are assembled. This is to prevent the heat dissipation hole 800 from being blocked by a portion of the support portion 527 and the cone 210 in which the hole 800 is not formed.

Here, the heat dissipation hole 800 may form a state penetrated to extend at all times as the second connector 520 and the cone 210 are assembled, according to the form of the long hole as described above, thereby blocking the member 540 Heat generated in the internal space provided by) may be radiated to the connection pipe 230. Accordingly, deformation or damage of the blocking member 540 due to heat can be easily prevented.

In addition, the space frame 10 according to the present invention may further include a filter member 900.

The filter member 900 is a configuration for preventing the introduction of foreign substances into the inner space provided by the blocking member 540 through the heat dissipation hole 800, the cone as shown in Figs. One side of the 210, that is, may form a mesh net detachably installed in the inner side of the cone 210 facing the connection pipe 230.

Here, the filter member 900 after the assembly process to be described later, to check the first check hole 710 or the second check hole 525, or to adjust the separation distance between the connection ball 100 and the cone 210. In order to achieve a state in which the sleeve 400 disposed therein is opened to the outside, the blocking member 540 is contracted. In this case, foreign matter present in the outside may be introduced through the heat dissipation hole 800, and the filter member 900 may prevent the foreign matter from being introduced into the connection pipe 230.

On the other hand, the assembly process of the space frame 10 according to the present invention will be described.

First, the first fastening portion 511 of the first connector 510 is screwed into the fastening hole 110 of the connection ball 100. In this case, a sealing member may be provided between the connecting ball 100 and the first connector.

Next, the third fastening portion 521 of the second connector 520 is screwed into the through hole 211 of the cone 210. In this case, a sealing member may be provided between the cone 210 and the second connector 520.

Here, the blocking member 540 is provided on one side of the second connector 520 to be stretchable in a fixed state together with the moving member 530, and the moving member 530 is opened through the open holding part 563. It is preferable to achieve a fixed state on one side of the outer peripheral surface of the connector 520. This is to facilitate installation of the remaining components of the space frame 10 described below.

Next, before the connection pipe 230 is connected to the cone 210, the connection bolt 300 is inserted into the through hole 211 of the cone 210, or after the connection pipe 230 is connected to the cone 210. The connecting bolt 300 is inserted into the through hole 211 of the cone 210 through the hole 231, and the body 330 of the connecting bolt 300 passes through the inside of the second connector 520. While protruding a portion of the body portion 330 of the second connector 520 to the outside of the second connector 520.

Next, the clearance ring 630 is extrapolated to the body portion 330 of the connection bolt 300 in accordance with the length of the connection bolt 300 described above and disposed in the clearance groove 610. For example, the number of the clearance rings 630 may be adjusted as shown in (a) to (c) of FIG. 4 in accordance with the length of the connection bolt 300.

Next, the sleeve 400 is extrapolated to the body portion 330 of the connecting bolt 300.

Next, the pin member 730 is screwed into the connecting groove 300a of the connecting bolt 300 through the first check hole 710.

Next, the screw portion 310 of the connecting bolt 300 is screwed to the second fastening portion 513 of the first connector 510.

Here, the threaded portion 310 of the connecting bolt 300 is inserted into the second coupling groove of the first connector 510 as the connecting bolt 300 rotates as the sleeve 400 rotates. 210 is moved in the direction in which the connection ball 100 is disposed. That is, the member 200 provided with the connection ball 100 and the cone 210 is easily connected by the rotation of the sleeve 400.

Next, in a state in which the holding part 531 of the moving member 530 is gripped, the moving member 530 is moved to be inserted into the step 515 of the first connector 510.

Here, it is preferable that the moving member 530 is fixed to the inside of the step 515 of the first connector 510 through the closing holding part 563. This is to extend the blocking member 540 so as to surround the sleeve 400 so as to continuously protect by blocking from the external environmental factors.

As such, the space frame 10 according to the present invention can easily protect the sleeve 400 from external environmental factors through the protection device 500, the connection bolt 300, as well as the corrosion of the components connected thereto Can be easily prevented. In addition, the sleeve 400 may be prevented from being rotated by an external force generated from the external environment to prevent loosening of the connection bolt 300 connected thereto.

In addition, since the lifespan of the components provided in the internal space may be extended through the above-described protection device 500, and the installation and dismantling thereof are very easy, the space frame 10 may be reused.

10: space frame 100: connection ball
110: fastening hole 200: member
210: cone 211: through hole
230: connection pipe 300: connection bolt
400: sleeve 410: hollow
500: protective device 510: first connector
511: first fastening portion 513: second fastening portion
515: step 520: second connector
521: third fastening portion 527: support portion
530: moving member 540: blocking member
550: elastic member 560: locking means
561: closing retaining portion 561a: the first locking groove
561b: first locking projection 563: opening holding portion
563a: second locking groove 563b: second locking projection
600: clearance prevention part 610: clearance groove
630: play ring

Claims (4)

Connection ball formed with a plurality of fastening holes on the outer peripheral surface;
Conical cone having a through-hole inside the member is provided on each side of the open side of the connection pipe;
One end with a threaded portion protrudes to the outside through the through hole of the cone, the protruding outer peripheral surface forms a body portion having a circumference of the polygon, and the head portion provided on the other end is rotatable in a state that is caught on the inner surface of the cone A connecting bolt provided;
A sleeve having a circumference of a polygon corresponding to the body portion of the connecting bolt, and having a protruding end of the connecting bolt inserted into the hollow and integrally connected to the connecting bolt; And
It is provided in a form surrounding the sleeve, the protection device for blocking and protecting the sleeve from the outside; includes;
It characterized in that for connecting the member to the connecting ball through the connecting bolt to rotate in conjunction with the rotation of the sleeve,
The protection device,
One side forms an open cylindrical shape, the first fastening portion which is fastened to the fastening hole of the connection ball on the other open side is formed to protrude to the outside, the second fastening portion to which the screw portion of the connection bolt is fastened to the open side A first connector recessed into;
Both sides of the connection bolt is formed to form a cylindrical shape open, the outer peripheral surface is formed with a third fastening portion is fastened to the thread provided on the inner circumferential surface of the through hole of the cone, the support is extended to protrude along the periphery on one side of the outer peripheral surface A second connector additionally provided;
A moving member forming a ring shape and movably disposed along a longitudinal direction of the sleeve or the second connector penetrating the inner side;
One end is fixed to one side of the support of the second connector, the other end is fixed to one side of the movable member facing the support, the blocking member is stretched in accordance with the position of the movable member; And
And an elastic member, one end of which is fixed to the support part of the second connector and the other end of which is fixed to the moving member, so that the moving member is in close contact with the first connector. Space frame.
delete The method of claim 1, wherein the protective device,
And locking means detachably fixing the movable member to a portion of the first connector, or detachably fixing the movable member to a portion of the second connector.
The locking means,
Closing maintenance for detachably fixing the movable member to a portion of the first connector to maintain the sleeve closed from the outside, so that the blocking member to block and protect the sleeve from the outside in a form surrounding the sleeve. part; And
An opening holding the removable member detachably fixed to a portion of the second connector so as to keep the sleeve open to the outside so that the blocking member is moved out of the sleeve to expose the sleeve to the outside; A space frame containing the append;
The method of claim 3,
The closing holding unit,
A first locking groove recessed along a circumference of the first connector; And
And a first locking protrusion protruding along an outer circumference of the moving member to be caught by the first locking groove.
The opening holding portion,
A second locking groove recessed along a circumference of an outer circumferential surface of the second connector; And
And a second locking protrusion protruding along the circumference of the inner circumferential surface of the movable member and caught by the second locking groove.

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