CN201184343Y - Connecting structure of bar material - Google Patents

Abstract

A connection structure among a plurality of frame bar materials is characterized in that a connection component (3) is arranged among a plurality of bar materials separated from and parallel to each other, and is connected with each bar material (2) through a set of clamping structure; the clamping structure is composed of a groove (7), a clamping component (11), and a bolt or screw (19); the groove (7) is arranged on the side part of the bar material (2) facing the connection component (3); the two opposite sidewalls of the grooves (7) extend to the center of the groove body to form a bayonet (6); the connection component (11) is embedded in the groove (7), and the edges (13) on both ends are matched with the bayonet (6) in a clamping manner; and the bolt or the screw (19) penetrates through a via-hole (17) of the connection component (3) towards the clamping component (11) to fixedly connect the clamping component (11). The connection structure can achieve simple and reliable connection operation of the bar materials, and the connection configuration of the bar materials has good appearance.

Description

The linkage structure of bar

Technical field

The utility model is specifically related to detachable linkage structure between bar and bar and the detachable linkage structure between bar and other parts.The utility model is specially adapted to the many parallel bars formation frame mounting that links into an integrated entity.

Background technique

In a lot of devices, mechanism, bar (being the strip parts) need be connected with other part detachable formula.Frame mounting particularly, for example framework of lighting burner, display frame, daily glove framework or the like on the ceiling board of meeting-place, wherein many be separated and parallel bar between just need be through the detachable connection of linkage structure.And this frame mounting also often needs on-site consolidation, so the dismounting operation convenience of its linkage structure is very much important.

In the prior art, representative structure can be referring to Japanese documentation: the spy opens the 2000-213513 communique, disclosed linkage structure is in this patent gazette: on the end of each parallel bar upper connection is set, be connected by connecting rod again between the joint of each bar, and the joint here normally is made of one half bodies of seizing on both sides by the arms that cut shape, and this is seized on both sides by the arms on the external diameter that is wrapped in bar seizing body on both sides by the arms, fixes by girth members such as bolts again, then, between two adjacent joints, connect by connecting rod.

In the above-mentioned prior art, though can reliably many bars be connected into frame mounting, it still has the following disadvantages:

1, fitting operation trouble, component are many; At the place that interconnects of bar, need corresponding each root bar to establish a joint when mounted, will fix with girth members such as bolts on the joint, be connected and fixed upper connecting rod again between each adjacent joint then, on-site consolidation is very much a trouble.

2, seize joint on both sides by the arms on the bar external diameter, joint protrudes in bar, and this just causes obstruction probably when operation, and, also destroyed the level and smooth outward appearance of the external diameter of bar own.

Summary of the invention

The utility model is for solving the problem that above prior art exists, with under on-the-spot and other situations of operation, can make many bar attended operations become simple, simultaneously, make again and do not have projection on the bar, make the attachment portion of bar when operation, not have obstacle, allow the linkage structure of the bar target that is attractive in appearance that becomes, a kind of linkage structure of new-type bar is provided.

For achieving the above object, the technological scheme that the utility model adopts at the connection of many bars in the frame mounting is: the linkage structure between a kind of many framework bars, between many bars that are separated from each other and be arranged in parallel, a junction spare at least is set, all is connected between this connected element and every bar by a cover clamping mechanism; Described clamping mechanism is made up of draw-in groove, clamping part and bolt or screw, and described draw-in groove is arranged on bar on the sidepiece of connected element, and the two lateral walls of this draw-in groove extends to form bayonet socket to cell body central authorities; Described clamping part is embedded in the draw-in groove, and its edge, two ends cooperates with the bayonet socket clamping; Described bolt or the screw through hole on connected element wears towards clamping part, with this connected element is fixedlyed connected with clamping part.

The utility model at single bar with a kind of technological scheme that adopts that is connected of a miscellaneous part (being connected element) is: a kind of linkage structure of bar, the connected element that is connected and fixed usefulness is installed on bar, described bar correspondence on the sidepiece of connected element is provided with draw-in groove, the two lateral walls of this draw-in groove extends to form bayonet socket to cell body central authorities, the corresponding connection parts part is embedded a clamping part in draw-in groove, and the edge, two ends of described clamping part cooperates with the bayonet socket clamping; And corresponding clamping part is provided with a bolt or screw, and this bolt or the screw through hole on connected element wears towards each clamping part, with this connected element is fixedlyed connected with clamping part.

Related content in above-mentioned two kinds of technological schemes is explained as follows:

1, in the such scheme, be separated from each other and the bar quantity that be arranged in parallel is more than 2, when quantity is 3 and 3 when above, connected element promptly is arranged on 3 and 3 inside that above bar surrounds; And the distribution shape of the shape of connected element and 3 and 3 above bars is complementary and is arranged to polygonal shaped as frame; The bight of connected element is through the corresponding connection with bar of described clamping mechanism.

2, in the such scheme, tight near being connected mutually in order to make bar with connected element, make bar and connected element that the aesthetic feeling of one more be arranged in appearance, preferred version is: corresponding draw-in groove is provided with chimeric recess on connected element, and draw-in groove is entrenched in the chimeric recess; And further again optimum scheme is: half periphery of corresponding draw-in groove and bar is provided with chimeric recess on connected element, and half periphery of draw-in groove and bar is entrenched in the chimeric recess.

3, in the such scheme, described draw-in groove comprises following two kinds of situations: the one, and draw-in groove is an independent structures, it is convexly equipped with on the external diameter of bar; The 2nd, draw-in groove is the cell body that is arranged at the indent on the external diameter of bar.The optimum scheme of second kind of situation is specially: described bar is made up of the tubing of hollow, in tube wall one side of bar towards connected element, offers an opening portion along its length; And every being provided with connecting wall, this connecting wall is with the opening portion shutoff in the bar pipe; On the dual-side edge of opening portion, in pipe, be provided with lineal shape jut along its length, form draw-in groove and bayonet socket with this.

Specifically, the direction that is provided with of draw-in groove is not limit yet, and it circumferentially or axially is provided with along bar, in addition be obliquely installed all can, optimum scheme is length direction (promptly axially) the elongated setting (promptly as shown in Figure 4) of draw-in groove along bar.

4, in the such scheme, described clamping part is made of the portion that arches upward of a channel-section steel shape at middle part and the edge of two ends hook-type, and this portion that arches upward outwards protrudes from bayonet socket; Tail end at the corresponding screw of middle position of the portion that arches upward of clamping part is provided with tapped hole.Further again, can on described connected element, the portion of arching upward of the channel-section steel shape of corresponding clamping part be provided with housing recess, the portion that arches upward of the channel-section steel shape of clamping part is contained in the housing recess from the cambered outwards part of bayonet socket.

5, in the such scheme, described clamping part is made of the portion that arches upward of a channel-section steel shape at middle part and the edge of two ends hook-type, and this portion that arches upward outwards protrudes from bayonet socket; At the through hole that is provided with of the corresponding bolt of middle position of the portion that arches upward of clamping part, inboard corresponding through hole sets firmly or is arranged with a nut in the portion that arches upward, and bolt tail end via through holes is connected with nut.Further again, the portion of arching upward of the channel-section steel shape of corresponding clamping part is provided with housing recess on the described connected element, and the portion that arches upward of the channel-section steel shape of clamping part is contained in the housing recess from the part that bayonet socket outwards protrudes.

In sum, the utility model compared with prior art has following advantage:

1, because the utility model adopts special clamping mechanism to connect, middle at the construction field (site) attended operation was both simple, reliable again.

2, same because the utility model adopts special clamping mechanism to connect, its clamping mechanism is hidden in the inside that contacts the joint of bar and connected element substantially, be concealed, on bar, there is not projection, can not hinder operation, on outward appearance, bar and connected element are integrated, and aesthetic property is good.

Description of drawings

Accompanying drawing 1 is looked schematic representation for the master of the utility model embodiment one frame mounting;

Accompanying drawing 2 is that the A-A of accompanying drawing 1 is to cross-sectional schematic;

Accompanying drawing 3 is the local enlarged diagram at the clamping mechanism place of accompanying drawing 2;

Accompanying drawing 4 is the utility model embodiment one a clamping mechanism schematic perspective view;

Accompanying drawing 5 is looked schematic representation for the master of the utility model embodiment two clamping part;

Accompanying drawing 6 is looked the half section schematic representation for accompanying drawing 5 left sides;

Accompanying drawing 7 is the schematic perspective view of the assembly structure of the utility model embodiment three bar and clamping part;

Accompanying drawing 8 is the schematic perspective view of the assembly structure of the utility model embodiment three bar and clamping part, nut.

In the above accompanying drawing: 1, frame mounting; 2, bar; 3, connected element; 5, opening portion; 6, bayonet socket; 7, draw-in groove; 8, connecting wall; 11, clamping part; 12, the portion that arches upward of channel-section steel shape; 13, edge, two ends; 14, tapped hole; 15, chimeric recess; 16, housing recess; 17, through hole; 19, screw or bolt; 20, hexagon recess; 21, annular projection; 23, through hole; 24, edge; 25, nut.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described:

Embodiment one: shown in accompanying drawing 1,2, used the frame mounting 1 of lighting burner on a kind of exhibition hall ceiling board of the linkage structure at many bars 2 in the frame mounting 1 or Show stand, it is cuboid shape, it is separated from each other comprising four and parallel bar 2, and 2 of each bars pass through the present embodiment linkage structure and connect.

Shown in accompanying drawing 3, accompanying drawing 4, a kind of linkage structure at many bars 2 in the frame mounting 1 of described present embodiment is: be provided with a plurality of connected elements 3 between four bars 2 that are separated from each other and be arranged in parallel, these connected elements 3 are provided with (in Fig. 1 at interval along the length direction of four bars 2, show two connected elements 3, an end that is positioned at bar 2, another is positioned at the middle part of bar 2), described each connected element 3 all is connected by a cover clamping mechanism with 2 of every bars.Shown in accompanying drawing 3, accompanying drawing 4, described clamping mechanism is made up of draw-in groove 7, clamping part 11 and screw 19, and described draw-in groove 7 is arranged on bar 2 on the sidepiece of connected element 3, and the two lateral walls of this draw-in groove 7 extends to form bayonet socket 6 to cell body central authorities; Described clamping part 11 is embedded in the draw-in groove 7, and its edge, two ends 13 cooperates with bayonet socket 6 clampings; Described bolt or screw 19 through hole 17 on connected element 3 wears towards clamping part 11, with this connected element 3 is fixedlyed connected with clamping part 11.

Shown in accompanying drawing 2, accompanying drawing 3, accompanying drawing 4, be equipped with root bar 2 and form by the tubing of hollow, in tube wall one side of bar 2, offer an opening portion 5 along its length towards connected element 3; And every being provided with connecting wall 8, this connecting wall 8 is with opening portion 5 shutoff in bar 2 pipes; On the dual-side edge of opening portion 5, in pipe, be provided with lineal shape jut along its length, form along the elongated draw-in groove 7 of bar 2 length directions with this.

Shown in accompanying drawing 2, each connected element 3 is arranged on the inside that 4 bars 2 surround; And the distribution shape of the shape of connected element 3 and 4 bars 2 is complementary and is arranged to four jiaos of square frame shapes; The bight of connected element 3 is through described clamping mechanism and each bar 2 corresponding connection.

Shown in accompanying drawing 4, shown in clamping part 11 shorter on the bar length direction, clamping part 11 is made of the portion that arches upward 12 of a channel-section steel shape at middle part and the edge 13 of two ends hook-type, this portion 12 that arches upward outwards protrudes from bayonet socket 6; Tail end at the corresponding screw 19 of middle position of the portion that arches upward 12 of clamping part 11 is provided with tapped hole 14; The edge 13 of the two ends hook-type of described clamping part 11 hooks together with bayonet socket 6 clampings of draw-in groove 7, screw 19 unclamp or the state do not tightened entirely under, the edge 13 of the two ends hook-type of clamping part 11 can be free to slide along its length direction in draw-in groove 7.

Shown in accompanying drawing 2, accompanying drawing 3, on four bights of described connected element 3, half periphery of corresponding respectively draw-in groove 7 and bar 2 is provided with chimeric recess 15, half periphery of draw-in groove 7 and bar 2 is entrenched in the chimeric recess 15, and, the portion that arches upward 12 of the channel-section steel shape of also corresponding clamping part 11 is provided with housing recess 16 on four bights of connected element 3, and the portion that arches upward 12 of the channel-section steel shape of clamping part 11 is embedded in the housing recess 16 from the part that bayonet socket 6 outwards protrudes; Described chimeric recess 15 and housing recess 16 interconnect.

Shown in accompanying drawing 2, accompanying drawing 3, place, 4 angles at connected element 3, described through hole 17 is communicated with housing recess 16 in square frame, and the tapped hole 14 of 12 central authorities of the portion that arches upward of the channel-section steel shape on the aligning clamping part 11, with this place, 4 angles, tighten with the tapped hole 14 on the clamping part 11 with screw 19 via through holes 17 (bight of promptly running through connected element) and to be connected at connected element 3.And the head of above-mentioned each screw 19 is provided with hexagonal recess 20.

Therefore, the utility model is the position of being determined four bars 2 by a connected element 3, thereby four bars 2 that be arranged in parallel can be connected and fixed simply at operation field, and, because when connecting, be that bar 2 is crimped on the chimeric recess 15, a connected element 3 just can accurately be fixed the position of four bars 2 reliably.Also be because this point, just can be very firm maintain the state that four bars 2 are separated.

And, because connected element 3 is arranged on the inboard that four frame partss 2 surround, clamping part 11 is arranged between 4 bars 2 and the connected element 3, at the installed inside connected element 3, clamping part 11 and the bolt 19 that are square and parallel four bars 2 disconnected from each other, the attachment portion that bar 2 so just can not occur is from 2 obviously outwards outstanding situations of four bars.Trouble can not caused to operation etc. in the attachment portion of bar 2 yet.From in appearance, the attachment portion is also more attractive in appearance simultaneously.

In addition, each bar 2 constitutes by hollow tube, because of utilizing tubing, bar 2 can be adopted extrude integrated section bar, can make the manufacturing of the bar 2 that has draw-in groove 7 become more convenient and saves more money; And, because of in the pipe of bar 2, also being provided with connecting wall 8 opening portion 5 being blocked up, this can allow bar 2 so that the rigidity of whole frame mounting 1 improves, and the possibility of distortion reduces.

Embodiment two: shown in accompanying drawing 5 and accompanying drawing 6, a kind of linkage structure at many bars 2 in the frame mounting 1, between four bars 2 that are separated from each other and be arranged in parallel, be provided with a plurality of connected elements 3, these connected elements 3 are provided with (in Fig. 1 at interval along the length direction of four bars 2, show two connected elements 3, an end that is positioned at bar 2, another is positioned at the middle part of bar 2), described each connected element 3 all is connected by a cover clamping mechanism with 2 of every bars, be with embodiment one difference: described each fastening 11 is shown in accompanying drawing 5 and accompanying drawing 6, the central authorities of the portion that arches upward 12 of its channel-section steel shape are provided with annular projection 21 towards bar 2, the endoporus of corresponding annular projection 21 is provided with a through hole in the portion that arches upward 12 of channel-section steel shape, screw thread all is set on the endoporus of described through hole and annular projection 21, form tapped hole 14 with this, such setting is for the length that makes tapped hole 14 increases, and connects more reliable.

Other repeats no more here with embodiment one.

Embodiment three: shown in accompanying drawing 7 and accompanying drawing 8, a kind of linkage structure at a single bar and a miscellaneous part (being connected element 3), on bar 2, be connected with connected element 3, described bar 2 correspondence on the sidepiece of connected element 3 is provided with draw-in groove 7, the two lateral walls of this draw-in groove 7 extends to form bayonet socket 6 to cell body central authorities, corresponding connection parts part 3 is embedded a clamping part 11 in draw-in groove 7, and the edge, two ends 13 of described clamping part 11 cooperates with bayonet socket 6 clampings; And corresponding clamping part 11 is provided with a bolt 19, and the through hole 17 of this bolt 19 on connected element 3 wears towards each clamping part 11, with this connected element 3 fixedlyed connected with clamping part 11.The structure of draw-in groove 7 repeats no more here with embodiment one.

Shown in accompanying drawing 7 and accompanying drawing 8, clamping part 11 is gone up elongated formation along its length corresponding to bar 2, i.e. the equal in length of clamping part 11 length and bar and draw-in groove 7.The portion that arches upward 12 of the channel-section steel shape that clamping part 11 protrudes from the bayonet socket 6 of bar 2, and in installation at the edge, two ends 13 of the portion of arching upward 12 both sides, identical with aforesaid enforcement one, repeat no more here.

Shown in accompanying drawing 7 and accompanying drawing 8, with embodiment one difference mainly be: central authorities in the portion that arches upward 12 of clamping part 11, the tail end of corresponding bolt 19 forms through hole 23, simultaneously on relative two madial walls of the portion of arching upward 12 inside, be equipped with a pair of edge 24 towards the direction opposite with two edges 13, (between the upper wall of a pair of edge 24 and the portion 12 that arches upward) is arranged with not rotary nut 25 in the portion of arching upward 12, nut 25 holes are tapped hole 14, bolt 19 tail ends insert in nut 25 holes and tighten, because during the screw of through hole 23 and nut 25 at same position, so nut 25 keeps not sliding on the length direction of bar.Simultaneously, bolt 19 is also by the through hole 17 on four angles of connected element 3, from an opposite side of bar 2, towards each clamping part 11 break-through.

Other is identical with aforesaid enforcement one, repeats no more here.

Among above-mentioned several embodiment, be to be exemplified as to be square and four parallel bars 2 disconnected from each other are connected and fixed by connected element 3, in practice, two bars 2 are disconnected from each other and be arranged in parallel, and two bars 2 are connected and fixed also by connected element 3 and are fine.Perhaps, be separated from each other and be arranged in parallel three bars 2 are triangular in shape, three 2 of bars are connected and fixed also passable by connected element 3.Even, the bar 2 more than five can be set, this bar 2 more than five is corresponding polygon and is separated from each other and be arranged in parallel, by connected element 3 bar more than five 2 is connected and fixed again, equally also is fine.Among above-mentioned several embodiment, for example bar 2 adopts hollow tubes, and in practice, bar 2 adopts solid pole body and angle barred body also to be fine, and it is also passable to be convexly equipped with draw-in groove 7 on the external diameter of bar 2.The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims (10)

1, the linkage structure between a kind of many framework bars, it is characterized in that: a junction spare (3) at least is set between the many bars (2) that are separated from each other and be arranged in parallel, all is connected between this connected element (3) and every bar (2) by a cover clamping mechanism; Described clamping mechanism is made up of draw-in groove (7), clamping part (11) and bolt or screw (19), described draw-in groove (7) is arranged on bar (2) on the sidepiece of connected element (3), and the two lateral walls of this draw-in groove (7) extends to form bayonet socket (6) to cell body central authorities; Described clamping part (11) is embedded in the draw-in groove (7), and its edge, two ends (13) cooperates with bayonet socket (6) clamping; Described bolt or screw (19) through hole (17) on connected element (3) wears towards clamping part (11), with this connected element (3) is fixedlyed connected with clamping part (11).

2, the linkage structure of many framework bars according to claim 1 is characterized in that: the bar that is separated from each other and be arranged in parallel (2) quantity is more than 3 and 3, and connected element (3) is arranged on the inside that 3 and 3 above bars (2) surround; And the distribution shape of the shape of connected element (3) and 3 and 3 above bars (2) is complementary and is arranged to polygonal shaped as frame; The bight of connected element (3) is through described clamping mechanism and the corresponding connection of each bar (2).

3, the linkage structure between the many framework bars according to claim 1 and 2, it is characterized in that: half periphery that described connected element (3) is gone up corresponding draw-in groove (7) and bar (2) is provided with chimeric recess (15), and half periphery of draw-in groove (7) and bar (2) is entrenched in the chimeric recess (15).

4, the linkage structure between the many framework bars according to claim 1 and 2, it is characterized in that: described bar (2) is made up of the tubing of hollow, in tube wall one side of bar (2), offer an opening portion (5) along its length towards connected element (3); And every being provided with connecting wall (8), this connecting wall (8) is with opening portion (5) shutoff in bar (2) pipe; Along the last lineal shape jut that in pipe, is provided with along its length, form draw-in groove (7) and bayonet socket (6) at the dual-side of opening portion (5) with this.

5, the linkage structure between the many framework bars according to claim 1 and 2, it is characterized in that: described clamping part (11) is made of the portion that arches upward (12) of a channel-section steel shape at middle part and the edge (13) of two ends hook-type, and this portion that arches upward (12) outwards protrudes from bayonet socket (6); Tail end at the corresponding screw of middle position (19) of the portion that arches upward (12) of clamping part (11) is provided with tapped hole (14).

6, the linkage structure between the many framework bars according to claim 1 and 2, it is characterized in that: described clamping part (11) is made of the portion that arches upward (12) of a channel-section steel shape at middle part and the edge (13) of two ends hook-type, and this portion that arches upward (12) outwards protrudes from bayonet socket (6); Be provided with through hole (23) at the corresponding bolt of middle position (19) of the portion that arches upward (12) of clamping part (11), set firmly or be arranged with a nut (25) at the inboard corresponding through hole of the portion of arching upward (12) (23), bolt (19) tail end via through holes (23) is connected with nut (25).

7, a kind of linkage structure of bar, it is characterized in that: on bar (2), be connected with connected element (3), described bar (2) correspondence on the sidepiece of connected element (3) is provided with draw-in groove (7), the two lateral walls of this draw-in groove (7) extends to form bayonet socket (6) to cell body central authorities, corresponding connection parts part (3) is embedded a clamping part (11) in draw-in groove (7), and the edge, two ends (13) of described clamping part (11) cooperates with bayonet socket (6) clamping; And corresponding clamping part (11) is provided with a bolt or screw (19), and this bolt or screw (19) through hole (17) on connected element (3) wears towards each clamping part (11), with this connected element (3) is fixedlyed connected with clamping part (11).

8, the linkage structure of bar according to claim 7 is characterized in that: described bar (2) is made up of the tubing of hollow, in tube wall one side of bar (2) towards connected element (3), offers an opening portion (5) along its length; And every being provided with connecting wall (8), this connecting wall (8) is with opening portion (5) shutoff in bar (2) pipe; Along the last lineal shape jut that in pipe, is provided with along its length, form draw-in groove (7) and bayonet socket (6) at the dual-side of opening portion (5) with this.

9, the linkage structure of bar according to claim 7 is characterized in that: described clamping part (11) is made of the portion that arches upward (12) of a channel-section steel shape at middle part and the edge (13) of two ends hook-type, and this portion that arches upward (12) outwards protrudes from bayonet socket (6); Tail end at the corresponding screw of middle position (19) of the portion that arches upward (12) of clamping part (11) is provided with tapped hole (14).

10, the linkage structure of bar according to claim 7 is characterized in that: described clamping part (11) is made of the portion that arches upward (12) of a channel-section steel shape at middle part and the edge (13) of two ends hook-type, and this portion that arches upward (12) outwards protrudes from bayonet socket (6); Be provided with through hole (23) at the corresponding bolt of middle position (19) of the portion that arches upward (12) of clamping part (11), set firmly or be arranged with a nut (25) at the inboard corresponding through hole of the portion of arching upward (12) (23), bolt (19) tail end via through holes (23) is connected with nut (25).

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