CN217381172U

CN217381172U - Connecting piece and support

Info

Publication number: CN217381172U
Application number: CN202220198537.3U
Authority: CN
Inventors: 江镜森
Original assignee: Guangzhou Canton Hardware Co ltd
Current assignee: Guangzhou Canton Hardware Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-09-06
Anticipated expiration: 2032-01-25

Abstract

The utility model provides a connecting piece and a bracket, wherein the connecting piece comprises a first connecting part, a first groove is arranged on the first connecting part, a positioning structure extends from the first connecting part to the first groove, and the positioning structure comprises a first positioning piece and a second positioning piece; the first positioning piece and the second positioning piece are arranged oppositely, and form an accommodating area and an avoiding area; the accommodating area is used for positioning the first fixing piece, and the avoidance area is used for avoiding the first fixing piece; the avoidance area is communicated with the accommodating area and the first groove along the direction perpendicular to the opening direction of the accommodating area, and when the first fixing piece needs to be taken out, a user can stretch a hand or a tool into the accommodating area from the side face of the accommodating area; the first fixing piece is convenient to take out; meanwhile, the first fixing piece is avoided through an avoiding area; the first fixing pieces with different shapes can be installed in the accommodating area for use.

Description

Connecting piece and support

Technical Field

The utility model relates to an office furniture technical field, concretely relates to connecting piece and support.

Background

The frame splicing connection mode of the existing desk mostly adopts integral welding or is directly connected by a screw rod, and the connection modes have the limitations of poor stability, more required accessories, lack of convenience in the installation and transportation process and the like.

A quick connect, knock-down dining table is disclosed in chinese application No. 202022512646.1, publication No. 2021.8.3; the method comprises the following steps: including two at least inside hollow crossbeams, locating part and at least one corner connecting piece, the corner connecting piece is including continuous first connecting portion and second connecting portion, two one of them of crossbeam with the cooperation of pegging graft of first connecting portion, two another and the cooperation of pegging graft of second connecting portion of crossbeam, first connecting portion with all be provided with spacing recess on the second connecting portion, be equipped with the mounting hole on the crossbeam, the locating part passes the mounting hole set up in the spacing recess.

The dining table limits the nut through the limiting groove of the connecting part, but the limiting groove is a groove only provided with an opening at the upper end; the side surface of the limiting groove is not communicated with the outside; when the nut is taken out, a user needs to vertically extend a hand or a tool into the limiting groove from the upper end opening to be in contact with the nut, so that the nut is inconvenient to take out; meanwhile, the limiting grooves are matched with the nuts, and the shapes of the limiting grooves correspond to the shapes of the nuts one to one; the limiting groove cannot be matched with nuts in different shapes; when the shape of the limiting groove is not changed, nuts in different shapes cannot be installed in the limiting groove for use. Meanwhile, the limiting groove is matched with the nut; friction force exists between each side face of the limiting groove and each side face of the nut; the friction between the nut and the connecting part is large, and meanwhile, a tool cannot extend into the position between the limiting groove and the nut to clamp the nut; further increasing the difficulty of removing the nut. The limiting groove is matched with the nut, so that different side walls of the nut are integrally contacted with the limiting groove; when the nut is driven to lift through the rotation of the screw, the wall surface of the limiting groove can block the lifting of the nut and interfere the attachment of the nut and the inner side wall of the cross beam; thereby preventing the nut from tightly propping against the inner side wall of the cross beam.

Disclosure of Invention

The utility model provides a connecting piece and a bracket, wherein, the connecting part extends a positioning structure into a first groove, and the positioning structure forms a holding area and an avoiding area; the accommodating area, the avoiding area and the first groove are communicated; reduce the friction of connecting portion and the first mounting of setting in the accommodation area, can stretch into the accommodation area through the side with hand or instrument simultaneously, be convenient for take out first mounting.

The technical scheme of the utility model is that: a connecting piece comprises a seat body and more than one connecting part, wherein the connecting part is connected to the seat body, a first groove extending to the middle part is formed in the connecting part from top to bottom, a positioning structure is arranged on the inner wall, located in the first groove, of the connecting part, an accommodating area is formed in the positioning structure, and an avoiding area is formed between adjacent accommodating areas in the first groove; the method is characterized in that: a through groove is formed between the accommodating area and the avoiding area on the positioning structure, and the width of the through groove is smaller than that of the first groove.

The positioning structure comprises a first groove, a second groove, a positioning structure and a positioning structure, wherein the first groove is formed in the first groove, the second groove is formed in the second groove, the positioning structure is arranged in the second groove, and the second groove is formed in the second groove. When the connecting support is used, the first fixing piece is arranged in the accommodating area, and then the connecting support is inserted into the connecting part; the second fixing piece penetrates through the connecting support to be in threaded connection with the first fixing piece, so that the connecting support and the connecting piece are locked; when the second fixing piece is installed on the connecting piece, the first fixing piece does not rotate under the action of the first positioning piece and the second positioning piece, and the first fixing piece moves axially along with the continuous rotation of the second fixing piece; meanwhile, one edge of the first fixing piece penetrates through the through groove to be arranged in the avoidance area; the first positioning piece and the second positioning piece are not in contact with the edge of the first fixing piece arranged in the avoidance area; the friction between the positioning structure and the first fixing piece is reduced.

The friction force between the connecting piece and the first fixing piece is reduced by arranging the through groove; the first fixing piece can move axially in the accommodating area more easily; the first fixing piece can move upwards to extrude the connecting bracket; an extrusion force is supplied to the connecting bracket through the first fixing piece, the friction force between the first fixing piece and the connecting bracket is increased, and the connecting strength between the connecting piece and the connecting bracket is improved.

Meanwhile, the accommodating area and the avoiding area are communicated through the through groove; when the first fixing piece needs to be taken out, a user can extend a hand or a tool from the avoiding area into the accommodating area to be contacted with the first fixing piece, namely, the hand or the tool can be extended into the accommodating area from the side surface of the accommodating area; the first fixing piece is convenient to take out; meanwhile, the hand or the tool can move in the first groove, and the convenience of taking out the first fixing piece is further improved.

Furthermore, the positioning structure comprises a first positioning part and a second positioning part; the first positioning piece and the second positioning piece are oppositely arranged on the inner wall of the first groove.

Above setting, first setting element and the second setting element that sets up relatively carry on spacingly to the both sides of first mounting, and is spacing effectual.

Furthermore, a lower groove extending to the middle part is formed in the connecting part from bottom to top, and an intermediate plate is formed between the lower groove and the first groove.

Above setting, through setting up the first mounting of intermediate lamella ability bearing.

Further, a first reinforcing rib connected to the connecting portion is arranged below the accommodating area at the bottom of the middle plate.

According to the arrangement, the first reinforcing ribs are arranged below the accommodating area; thereby supporting the intermediate plate; the second fixing member is prevented from penetrating the middle plate.

Further, two connecting parts are arranged; an included angle alpha is formed between the two connecting parts; wherein 0 DEG < alpha < 180 deg.

According to the arrangement, the two connecting parts are arranged and can be inserted into the connecting bracket along different directions; is convenient to use.

Furthermore, three connecting parts are arranged, and an included angle b is formed between every two adjacent connecting parts; wherein 0 < b < 120.

In the arrangement, three connecting parts are arranged; the bracket can be connected in a transverse inserting manner; the bracket can also be inserted and connected longitudinally; meanwhile, when the two connecting parts are transversely inserted into the connecting support, the connecting support which is transversely inserted is supported by the connecting support which is longitudinally inserted into the other connecting part; and the support force is provided for the two transversely inserted connecting supports.

Further, the seat body is connected with an installation part; the mounting part is provided with a fixing part and more than two plug connectors; the fixing part and the plug connector extend from the top surface of the mounting part to the bottom of the mounting part, and more than two plug connectors are exposed out of the mounting part; the fixing part is positioned in the middle of the mounting part.

A second reinforcing rib is connected between the fixing part and the plug connector; the second reinforcing rib extends from the top surface of the mounting part to the bottom of the mounting part; one end of the second reinforcing rib close to the bottom of the mounting part is connected with the plug connector; the seat body is internally provided with a third reinforcing rib.

Above setting, the installation department is arranged in installing the connecting piece on propping the leg, and the plug connector is arranged in stretching into to propping the leg and realizes the installation department and prop the leg and be connected. The second reinforcing rib extends from the top of the plug connector to the bottom of the plug connector; the connector is supported along its length. The connection strength of the plug connector is increased. A third reinforcing rib is arranged; the strength and the rigidity of the seat body are improved.

The utility model also provides a bracket, which comprises a connecting piece, a connecting bracket, a first fixing piece and a second fixing piece, wherein the connecting bracket is inserted on the connecting piece; the first fixing piece and the second fixing piece are used for locking and connecting the bracket and the connecting piece; the connecting piece comprises a seat body and more than one connecting part, the connecting part is connected to the seat body, a first groove extending to the middle part is formed in the connecting part from top to bottom, a positioning structure is arranged on the inner wall, located in the first groove, of the connecting part, an accommodating area is formed in the positioning structure, and an avoiding area is formed between adjacent accommodating areas in the first groove; the method is characterized in that: a through groove is formed between the accommodating area and the avoiding area on the positioning structure, and the width of the through groove is smaller than that of the first groove.

According to the arrangement, the connecting support is inserted into the connecting part, and the connecting support is locked on the connecting piece through the matching of the first fixing piece and the second fixing piece; the first fixing piece is limited through the accommodating area; the second fixing piece is in threaded fit with the first fixing piece, and the first fixing piece is driven to ascend through the second fixing piece so as to tightly prop against the inner wall surface of the connecting support, so that the connecting support is locked on the connecting piece; the first fixing piece is driven to descend through the second fixing piece so as to separate the first cabinet fixing piece from the connecting support, and therefore the connecting support and the connecting piece can be detached.

Furthermore, the positioning structure comprises a first positioning part and a second positioning part; the first positioning piece and the second positioning piece are oppositely arranged on the inner wall of the first groove; a lower groove extending to the middle part is formed in the connecting part from bottom to top, and an intermediate plate is formed between the lower groove and the first groove; a first reinforcing rib connected to the connecting portion is provided below the accommodating area at the bottom of the middle plate.

The base body is connected with an installation part; the mounting part is provided with a fixing part and more than two plug connectors; the fixing part and the plug connector extend from the top surface of the mounting part to the bottom of the mounting part, and more than two plug connectors are exposed out of the mounting part; the fixing part is positioned in the middle of the mounting part.

Above setting, first setting element and the second setting element that sets up relatively carry on spacingly to the both sides of first mounting, and is spacing effectual. The first fixing piece can be supported by arranging the middle plate. The first reinforcing rib is arranged below the accommodating area; thereby supporting the intermediate plate; the second fixing member is prevented from penetrating the middle plate. A third reinforcing rib is arranged; the strength and the rigidity of the seat body are improved.

Furthermore, the bracket also comprises a supporting leg; the supporting legs are connected with the bottom of the mounting part, one ends of the supporting legs are provided with second grooves, the plug connectors extend into the second grooves, and one ends of the supporting legs, far away from the mounting part, are provided with adjusting devices; the adjusting device comprises an adjusting seat and an adjusting piece, the adjusting seat is fixed on the supporting leg, and the bottom of the adjusting seat is provided with an accommodating space; the adjusting piece is arranged in the accommodating space and is rotatably connected with the adjusting seat.

According to the arrangement, the support is supported through the support legs; the second groove is matched with the plug connector; the installation part and the supporting leg are convenient to align and install; meanwhile, the plug connector is limited through the second groove, and the stability of connection of the installation part and the supporting legs is improved.

The height of the bracket is adjusted by rotating the adjusting piece; when the height of the support needs to be raised, the adjusting piece is rotated, so that the bottom of the adjusting piece is far away from the supporting leg; when the height of the support needs to be reduced, the adjusting piece is rotated, so that the bottom of the adjusting piece is close to the supporting leg; meanwhile, the adjusting piece is movably arranged in the accommodating space; the accommodating space shields the adjusting piece; the risk of causing the adjusting part to rotate under the action of an external force factor is reduced; meanwhile, the accommodating space shields the adjusting piece; the joint of the adjusting piece and the adjusting seat is not exposed outside; the supporting legs and the adjusting device have beautiful appearance.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is an exploded view of a first embodiment of the present invention.

Fig. 3 is a schematic perspective view of a second embodiment of the present invention.

Fig. 4 is an exploded view of a second embodiment of the present invention.

Fig. 5 is an exploded view of the first connector, the support leg and the adjustment device.

Fig. 6 is a top view of the first connecting member with the first fixing member of the present invention installed.

Fig. 7 is a cross-sectional view a-a of fig. 6.

Fig. 8 is a sectional view of B-B in fig. 6.

Fig. 9 is a schematic perspective view of the first connecting member of the present invention.

Fig. 10 is a perspective view of a second connecting member according to a second embodiment of the present invention.

Fig. 11 is a cross-sectional view of the adjusting device of the present invention.

Fig. 12 is a perspective view of a third embodiment of the present invention.

Fig. 13 is a perspective view of a third connecting member according to a third embodiment of the present invention.

Fig. 14 is an exploded view of a support device according to a third embodiment of the present invention.

Fig. 15 is an enlarged view of a in fig. 14.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

The first embodiment.

As shown in fig. 1-2, fig. 5-11; a stent comprises a connecting piece, a first fixing piece 3, a second fixing piece (not shown in the figure) and more than two connecting stents 2; the connecting piece comprises a first connecting piece 1, the first connecting piece 1 comprises a base body 10, and one end of the base body 10 is provided with two connecting parts; a first connection portion 11 and a second connection portion 12, respectively; the other end of the base 10 is provided with a mounting portion 13.

An included angle alpha is formed between the first connecting part 11 and the second connecting part 12; wherein 0 DEG < alpha < 180 deg. One connecting bracket 2 is in inserted fit with the first connecting part 11, and the other connecting bracket 2 is in inserted fit with the second connecting part 12.

The first connection portion 11 includes a first plate 111, a second plate 112, a third plate 113, and a fourth plate 114; the first board body 111 is disposed at one end of the first connection portion 11, and the second board body 112 is disposed at the other end of the first connection portion 11; the third plate 113 and the fourth plate 114 are connected between the first plate 111 and the second plate 112; the first plate 111, the second plate 112, the third plate 113 and the fourth plate 114 surround to form a first groove 1151; the first connection portion 11 extends toward the first groove 1151 with a positioning structure, which extends into the first groove 1151.

The positioning structure comprises a first positioning member 116 and a second positioning member 117; in the present embodiment, two first positioning members 116 are provided; two first positioning members 116 are formed on the inner wall of the third plate 113 extending to the first groove 1151; two second positioning members 117 are provided; two second positioning members 117 are formed on the inner wall of the fourth plate 114 and extend toward the first groove 1151; the first positioning member 116 is disposed opposite to the second positioning member 117.

The first positioning element 116 and the second positioning element 117 form an accommodating area 118; forming an escape area 1152 between adjacent receiving areas 118 within the first groove 1151; a through groove 1153 is formed between the accommodating area 118 and the avoiding area 1152; the width of the through groove 1153 is smaller than the width of the first groove 1151. Through the through groove 1153 with a width smaller than that of the first groove 1151, the first positioning part 116 and the second positioning part 117 can limit the first fixing part 3.

The connecting bracket 2 is provided with a mounting hole 20, the first fixing piece 3 is arranged in the accommodating area 118, the second fixing piece passes through the mounting hole 20 to be connected with the first fixing piece 3, and the first fixing piece 3 and the second fixing piece are matched to lock the connecting bracket 2 on the first connecting piece 1. In this embodiment, the first fixing member 3 is a nut; the second fixing piece is a bolt; the second fixing member is screw-engaged with the first fixing member 3 through the mounting hole 20.

A lower groove 1154 extending to the middle part is formed on the first connection part 11 from bottom to top, and an intermediate plate 1155 is formed between the lower groove 1154 and the first groove 1151; a first reinforcing rib 14 is provided below the accommodation region 118 at the bottom of the intermediate plate 1155; the first reinforcing rib 14 connects the third plate 113 and the fourth plate 114.

When the connecting bracket 2 and the first connecting piece 1 are locked; the second mount needs to rotate in the first mount 3; the bottom of the second mount will be closer to the middle plate 1155; the first reinforcing bead 14 is disposed below the accommodating area 118; thereby supporting intermediate plate 1155; preventing the second fastener from penetrating intermediate plate 1155; meanwhile, the third plate body 113 and the fourth plate body 114 are connected through the first reinforcing rib 14, so that the strength and rigidity of the first connecting piece are further enhanced.

By providing the first reinforcing rib 14 to support the bottom of the accommodating area 118, the first reinforcing rib 14 increases the strength of the first connecting portion 11, and prevents the second fixing member from penetrating through the first connecting portion and damaging the first connecting portion.

The accommodating area 118 positions the first fixing member 3, and one edge of the first fixing member 3 passes through the through groove 1153 and is disposed in the avoiding area 1152; the first positioning member 116 and the second positioning member 117 do not contact the edge of the first fixing member 3 disposed in the escape area 1152; reducing the friction between the positioning structure and the first fixing member 3.

In the present embodiment, the first positioning member 116 and the second positioning member 117 are disposed obliquely in the first groove 1151; the two first positioning members 116 and the two second positioning members 117 are gradually separated from each other in a direction approaching the first groove 1151.

In the present embodiment, the structure of the second connection portion 12 is the same as that of the first connection portion 11.

A supporting leg 4 is arranged below the mounting part 13; the supporting leg 4 is connected with the bottom of the mounting part 13; one end of the supporting leg 4 is provided with a second groove 41; the mounting portion 13 is provided with a fixing portion 131 and two or more plug-in connectors 132; in this embodiment, four plug-in units 132 are provided. The fixing portion 131 and the plug 132 extend from the top surface of the mounting portion 13 to the bottom of the mounting portion 13, and more than two plug 132 are exposed out of the mounting portion 13 and extend into the second groove 41; the fixing portion 131 is located at the middle of the mounting portion 13.

The support is supported by the supporting legs 4; the plug-in connector 132 is matched through the second groove 41; the installation part 13 is convenient to be arranged in alignment with the supporting leg 4; meanwhile, the second groove 41 is used for limiting the inserting piece 132, and the connection stability of the mounting part 13 and the supporting leg 4 is improved.

A first screw hole 411 is arranged at the bottom of the second groove 41, and a through hole 133 is arranged on the fixing part 131; the bolt is screwed with the first screw hole 411 through the through hole 133. This enables the attachment of the mounting portion 13 to the leg 4. A second reinforcing rib 15 is connected between the fixing portion 131 and the plug 132; the second reinforcing ribs 15 extend from the top surface of the mounting portion 13 to the bottom of the mounting portion 13; one end of the second reinforcing rib 15 near the bottom of the mounting portion 13 is connected to the plug 132.

In the present embodiment, the third reinforcing bead 16 is provided in the seat body 10; the third reinforcing ribs 16 are arranged to improve the strength and rigidity of the seat body 10.

One end of the supporting leg 4 far away from the mounting part 13 is provided with an adjusting device 5; the adjusting device 5 comprises an adjusting seat 51 and an adjusting piece 52, the adjusting seat 51 is fixed on the supporting leg 4, and the bottom of the adjusting seat 51 is provided with an accommodating space 53; the adjusting member 52 is disposed in the accommodating space 53 and rotatably connected to the adjusting base 51. A rotary connecting hole 54 is arranged on the adjusting seat 51; the rotation connecting hole 54 is arranged between the supporting leg 4 and the accommodating space 53; the rotation connecting hole 54 is a threaded hole; a threaded shaft 55 is provided on the adjusting member 52; the threaded shaft 55 is threadedly coupled to the rotation coupling hole 54.

The height of the bracket is adjusted by rotating the adjusting piece 52; when the height of the bracket needs to be raised, the adjusting piece is rotated, so that the bottom of the adjusting piece 52 is far away from the supporting leg 4; when the height of the bracket needs to be reduced, the adjusting piece is rotated to enable the bottom of the adjusting piece 52 to be close to the supporting leg 4; meanwhile, the adjusting piece 52 is movably arranged in the accommodating space 53; the accommodating space 53 shields the adjuster 52; reducing the risk of rotation of the adjustment member 52 under external force; meanwhile, the accommodating space 53 shields the adjusting piece 52; the joint of the adjusting piece 52 and the adjusting seat 51 is not exposed; the supporting legs and the adjusting device have beautiful appearance.

In the present embodiment, four first connecting members 1 are provided; the first connecting portion 11 and the second connecting portion 12 are arranged perpendicularly, and the included angle a is 90 °. Four connecting brackets 2 are arranged; a first connecting bracket 21, a second connecting bracket 22, a third connecting bracket 23 and a fourth connecting bracket 24; the first connecting bracket 21, the second connecting bracket 22, the third connecting bracket 23 and the fourth connecting bracket 24 are arranged vertically. The bracket can be connected in a transverse inserting way through the first connecting part 11 and the second connecting part 12 which are vertically arranged; the bracket can also be inserted and connected along the longitudinal direction. Referring to fig. 1, X is a transverse direction and Y is a longitudinal direction.

The first connecting bracket 21 is arranged at one end of the bracket, and the second connecting bracket 22 is arranged at the other end of the bracket; the third connecting bracket 23 is positioned between the first connecting bracket 21 and the second connecting bracket 22 and is arranged at one side of the brackets; the fourth connecting bracket 24 is positioned between the first connecting bracket 21 and the second connecting bracket 22 and is arranged at the other side of the brackets; the first connecting piece 1 is respectively arranged between the first connecting support 21 and the third connecting support 23, between the third connecting support 23 and the second connecting support 22, between the second connecting support 22 and the fourth connecting support 24, and between the fourth connecting support 24 and the first connecting support 21.

One end of the first connecting bracket 21, one end of the third connecting bracket 23, one end of the second connecting bracket 22 and one end of the fourth connecting bracket 24 are connected with the first connecting part 11 respectively; the other end of the first linking bracket 21, the other end of the third linking bracket 23, the other end of the second linking bracket 22, and the other end of the fourth linking bracket 24 are connected to the second linking portion 12, respectively.

When in use, the first fixing piece 3 is arranged in the accommodating area 118, and then the connecting bracket is inserted on the connecting part; the second fixing piece penetrates through the connecting support to be in threaded connection with the first fixing piece 3, and the connecting support and the connecting piece are locked.

The first fixing piece 3 is positioned through the accommodating area 118, when the second fixing piece is mounted on the connecting piece, the first fixing piece 3 does not rotate under the action of the first positioning piece 116 and the second positioning piece 117, and the first fixing piece 3 moves axially along with the continuous rotation of the second fixing piece; meanwhile, one edge of the first fixing member 3 passes through the through groove 1153 and is arranged in the avoiding region 1152; the first positioning member 116 and the second positioning member 117 do not contact the edge of the first fixing member 3 disposed in the escape area 1152; reducing the friction between the positioning structure and the first fixing member 3.

The friction force between the first connecting piece 1 and the first fixing piece 3 is reduced by arranging the through groove 1153; the first fixing element 3 is made easier to move axially in the housing zone 118; the first fixing piece 3 can move upwards to extrude the connecting bracket 2; an extrusion force is given to the connecting bracket 2 through the first fixing piece 3, and the friction force between the first fixing piece 3 and the connecting bracket 2 is increased, so that the connecting strength between the connecting piece and the connecting bracket 2 is improved.

Meanwhile, the accommodating area 118 and the avoiding area 1152 are communicated through a through groove 1153; when the first fixing member 3 needs to be taken out, a user can extend a hand or a tool from the avoiding region 1152 into the accommodating region 118 to contact with the first fixing member 3, namely, can extend the hand or the tool into the accommodating region 118 from the side surface of the accommodating region 118; the first fixing piece 3 is convenient to take out; meanwhile, a hand or a tool can move in the first groove 115, so that the convenience of taking out the first fixing piece 3 is further improved.

Example two.

As shown in fig. 3-11; a stent comprises a connecting piece, a first fixing piece 3, a second fixing piece (not shown in the figure) and more than two connecting stents 2; the connecting piece comprises a first connecting piece 1 and a second connecting piece 6; the first connecting piece 1 comprises a base 10 and two connecting parts on the base 10; a first connecting part 11 and a second connecting part 12 are respectively arranged at the ends; the other end of the base 10 is provided with a mounting portion 13.

An included angle alpha is formed between the first connecting part 11 and the second connecting part 12; wherein 0 DEG < alpha < 180 deg. One connecting bracket is in plug-in fit with the first connecting part 11, and the other connecting bracket is in plug-in fit with the second connecting part 12.

The first connection portion 11 includes a first plate 111, a second plate 112, a third plate 113, and a fourth plate 114; the first board 111 is disposed at one end of the first connection portion 11, and the second board 112 is disposed at the other end of the first connection portion 11; the third plate 113 and the fourth plate 114 are connected between the first plate 111 and the second plate 112; the first plate 111, the second plate 112, the third plate 113 and the fourth plate 114 surround to form a first groove 1151; the first connection portion 11 extends toward the first groove 1151 with a positioning structure, which extends into the first groove 1151.

The positioning structure comprises a first positioning member 116 and a second positioning member 117; in the present embodiment, two first positioning members 116 are provided; two first positioning members 116 are formed on the inner wall of the third plate 113 and extend towards the first groove 1151; two second positioning members 117 are provided; two second positioning members 117 are formed on the inner wall of the fourth plate 114 and extend toward the first groove 1151; the first positioning member 116 is disposed opposite to the second positioning member 117.

The connecting bracket is provided with a mounting hole 20, the first fixing piece 3 is arranged in the accommodating area 118, the second fixing piece penetrates through the mounting hole 20 to be connected with the first fixing piece 3, and the first fixing piece 3 and the second fixing piece are matched to lock the connecting bracket on the connecting piece. In this embodiment, the first fixing member 3 is a nut; the second fixing piece is a bolt; the second fixing member is screw-engaged with the first fixing member 3 through the mounting hole 20.

On the first connection portion 11, from bottom to top, there is a lower groove 1154 extending to the middle, and an intermediate plate 1155 is formed between the lower groove 1154 and the first groove 1151; a first reinforcing rib 14 is provided below the accommodation region 118 at the bottom of the intermediate plate 1155; the first reinforcing rib 14 connects the third plate 113 and the fourth plate 114.

In the present embodiment, the second connection portion 12 and the first connection portion 11 of the first connecting member 1 are identical in structure.

A supporting leg 4 is arranged below the mounting part 13; the supporting leg 4 is connected with the bottom of the mounting part 13; one end of the supporting leg 4 is provided with a second groove 41; the mounting portion 13 is provided with a fixing portion 131 and two or more plug-in units 132; the fixing portion 131 and the plug 132 extend from the top surface of the mounting portion 13 to the bottom of the mounting portion 13, and more than two plug 132 are exposed out of the mounting portion 13 and extend into the second groove 41; the fixing portion 131 is located at the middle of the mounting portion 13.

The support is supported by the supporting legs 4; the plug-in connector 132 is matched through the second groove 41; the installation part 13 is convenient to be installed in alignment with the supporting leg 4; meanwhile, the second groove 41 is used for limiting the inserting piece 132, and the connection stability of the mounting part 13 and the supporting leg 4 is improved.

A first threaded hole 411 is formed in the bottom of the second groove 41, and a through hole 133 is formed in the fixing portion 131; the bolt is threaded through the through hole 133 and into the threaded hole. This achieves the connection of the mounting portion 13 to the temple 4. A second reinforcing rib 15 is connected between the fixing portion 131 and the plug 132; the second reinforcing ribs 15 extend from the top surface of the mounting portion 13 to the bottom of the mounting portion 13; one end of the second reinforcing rib 15 near the bottom of the mounting portion 13 is connected to the plug 132.

One end of the supporting leg 4 far away from the mounting part 13 is provided with an adjusting device 5; the adjusting device 5 comprises an adjusting seat 51 and an adjusting piece 52, the adjusting seat 51 is fixed on the supporting leg 4, and the bottom of the adjusting seat 51 is provided with an accommodating space 53; the adjusting member 52 is disposed in the accommodating space 53 and rotatably connected to the adjusting seat 51. A rotary connecting hole 54 is arranged on the adjusting seat 51; the rotation connecting hole 54 is arranged between the supporting leg 4 and the accommodating space 53; the rotation connecting hole 54 is a threaded hole; a threaded shaft 55 is provided on the adjusting member 52; the threaded shaft 55 is threadedly coupled to the rotation coupling hole 54.

The second connecting piece 6 comprises a seat body 10, and one end of the seat body 10 is provided with three connecting parts; a first connection portion 11, a second connection portion 12, and a third connection portion 17, respectively; the other end of the base 10 is provided with a mounting part 13; the bottom of the mounting part 13 is connected with a supporting leg 4; the end of the supporting leg 4 far away from the mounting part 13 of the supporting leg 4 is provided with an adjusting device 5.

Included angles b are formed between the first connecting portion 11 and the second connecting portion 12 and between the first connecting portion 11 and the third connecting portion 17; wherein 0 < b < 120. The first connecting part 11, the second connecting part 12 and the third connecting part 17 are used for being matched with the connecting bracket 2 in a plugging mode.

The second connecting piece 6 comprises a base 10, and one end of the base 10 is provided with a first connecting part 11, a second connecting part 12 and a third connecting part 17; the other end of the base 10 is provided with a mounting part 13; the bottom of the mounting part 13 is connected with a supporting leg 4; the end of the supporting leg 4 far away from the mounting part 13 of the supporting leg 4 is provided with an adjusting device 5.

In the present embodiment, the first connection portion 11, the second connection portion 12, and the third connection portion 17 of the second connection member 6 are identical in structure; the first connecting portion 11, the seat body 10, the mounting portion 13, the supporting leg 4 and the adjusting device 5 of the second connecting member 6 have the same structure as the first connecting portion 11, the seat body 10, the mounting portion 13, the supporting leg 4 and the adjusting device 5 of the first connecting member 1.

In this embodiment, there are four first connecting members 1 and two second connecting members 6; the first connecting portion 11 is disposed perpendicular to the second connecting portion 12, and the first connecting portion 11 is disposed perpendicular to the third connecting portion 17. The included angle a is 90 deg.. The connecting bracket is provided with seven pieces; a first connecting bracket 21, a second connecting bracket 22, a third connecting bracket 23, a fourth connecting bracket 24, a fifth connecting bracket 25, a sixth connecting bracket 26 and a seventh connecting bracket 27, respectively.

The first connecting bracket 21, the second connecting bracket 22 and the seventh connecting bracket 27 are vertically arranged with the third connecting bracket 23, the fourth connecting bracket 24, the fifth connecting bracket 25 and the sixth connecting bracket 26. By providing the first connecting portion 11 and the second connecting portion 12 of the first connecting member 1; the bracket can be connected in a transverse inserting manner; the connecting bracket can also be inserted and connected along the longitudinal direction. Referring to fig. 3, X is a transverse direction and Y is a longitudinal direction. The bracket is connected in a transverse inserting way by arranging the third connecting part 17 and the second connecting part 12 of the second connecting piece 6; extending the length of the stent; the transversely inserted connecting bracket is supported by the connecting bracket inserted longitudinally through the first connecting part 11 of the second connecting bracket 22; and the support force is provided for the two transversely inserted connecting supports.

The first connecting bracket 21 is arranged at one end of the bracket, and the second connecting bracket 22 is arranged at the other end of the bracket; the seventh connecting bracket 27 is located between the first connecting bracket 21 and the second connecting bracket 22; the third connecting bracket 23 is positioned between the first connecting bracket 21 and the seventh connecting bracket 27 and is arranged at one side of the brackets; the fourth connecting bracket 24 is positioned between the first connecting bracket 21 and the seventh connecting bracket 27 and is arranged at the other side of the brackets; the fifth connecting bracket 25 is positioned between the second connecting bracket 22 and the seventh connecting bracket 27 and is arranged at one side of the brackets; a sixth connecting bracket 26 is located between the second connecting bracket 22 and the seventh connecting bracket 27 and is disposed on the other side of the brackets.

The first connecting piece 1 is respectively arranged between the first connecting bracket 21 and the third connecting bracket 23, between the fifth connecting bracket 25 and the second connecting bracket 22, between the second connecting bracket 22 and the sixth connecting bracket 26, and between the fourth connecting bracket 24 and the first connecting bracket 21.

The second connecting piece 6 is respectively arranged between the third connecting bracket 23 and the fifth connecting bracket 25, and between the fourth connecting bracket 24 and the sixth connecting bracket 26.

One end of the first connecting bracket 21, one end of the third connecting bracket 23, one end of the second connecting bracket 22, one end of the sixth connecting bracket 26, and both ends of the seventh connecting bracket 27 are connected to the first connecting portion 11, respectively. One end of the fifth connecting bracket 25 and one end of the fourth connecting bracket 24 are connected to the third connecting portion 17, respectively. The other end of the first linking bracket 21, the other end of the third linking bracket 23, the other end of the fifth linking bracket 25, the other end of the second linking bracket 22, the other end of the sixth linking bracket 26, and the other end of the fourth linking bracket 24 are connected to the second linking portion 12, respectively. When in use, the first fixing piece 3 is arranged in the accommodating area 118, and then the connecting bracket is inserted on the connecting part; the second fixing piece penetrates through the connecting support to be in threaded connection with the first fixing piece 3, and the connecting support and the connecting piece are locked.

The friction force between the first connecting piece 1 and the first fixing piece 3 is reduced by arranging the through groove 1153; the first fixing element 3 is made to perform an axial movement more easily in the housing zone 118; the first fixing piece 3 can move upwards to extrude the connecting bracket 2; an extrusion force is given to the connecting bracket 2 through the first fixing piece 3, and the friction force between the first fixing piece 3 and the connecting bracket 2 is increased, so that the connecting strength between the connecting piece and the connecting bracket 2 is improved.

Meanwhile, the accommodating area 118 is communicated with the avoiding area 1152 through a through groove 1153; when the first fixing member 3 needs to be taken out, a user can extend a hand or a tool from the avoiding region 1152 into the accommodating region 118 to contact with the first fixing member 3, namely, can extend the hand or the tool into the accommodating region 118 from the side surface of the accommodating region 118; the first fixing piece 3 is convenient to take out; meanwhile, a hand or a tool can move in the first groove 115, so that the convenience of taking out the first fixing piece 3 is further improved.

Example three.

As shown in fig. 5-15, a stent comprises a connecting piece, a first fixing piece 3, a second fixing piece, a supporting device 7 and more than two connecting stents; the connecting piece comprises a first connecting piece 1 and a third connecting piece 8; the first connecting piece 1 and the connecting bracket of the present embodiment have the same structure as the first connecting piece 1 and the connecting bracket of the second embodiment. The first connecting piece 1 is connected with the supporting leg 4; the supporting legs 4 are connected with an adjusting device 5. The third connecting piece 8 comprises a seat body 10, and three connecting parts are arranged on the seat body 10; a first connection portion 11, a second connection portion 12 and a third connection portion 17, respectively.

In the present embodiment, the first connecting portion 11, the second connecting portion 12, and the third connecting portion 17 of the third connecting member 8 are identical in structure. The first connecting portion 11 and the base 10 of the third connecting member 8 in this embodiment are the same as the first connecting portion 11 and the base 10 of the second connecting member 6 in the second embodiment. The leg 4 and the adjusting device 5 of the present embodiment are the same as the leg 4 and the adjusting device 5 of the second embodiment.

The supporting device 7 is connected with the seventh frame body 27; the supporting device 7 comprises a first supporting plate 71, a second supporting plate 72; a third support plate 73 and a fourth support plate 74; the first support plate 71 is arranged at one side of the support device 7; the second support plate 72 is arranged at the other side of the support device 7; the first support plate 71 is disposed opposite to the second support plate 72; the third support plate 73 and the fourth support plate 74 connect the first support plate 71 and the second support plate 72. A support groove 75 is formed at the top of the first support plate 71 and the second support plate 72; the seventh frame 27 is disposed in the support groove 75; the first support plate 71 and the second support plate 72 are supported by the third support plate 73 and the fourth support plate 74; the supporting device 7 can be vertically arranged; thereby supporting the seventh frame 27.

A first boss 76 and a second boss 77 are provided on both the first support plate 71 and the second support plate 72; more than two sets of first convex parts 76 and second convex parts 77 are respectively arranged; the first protruding portion 76 is provided near one side of the first support plate 71 and the second support plate 72; the second protrusions 77 are disposed adjacent to the other sides of the first and

second support plates

71 and 72. Mounting grooves are formed in both sides of the third support plate 73 and the fourth support plate 74; the mounting grooves include a first mounting groove 781 and a second mounting groove 782; the second mounting groove 782 is positioned above the first mounting groove 781; the first mounting groove 781 is communicated with the second mounting groove 782 and is vertically arranged; the third supporting plate 73 is hung on the two first convex parts 76 through the mounting groove; the fourth supporting plate 74 is hung on the two second protrusions 77 through the mounting groove.

When the third support plate 73 and the fourth support plate 74 are mounted; moving the third support plate 73 and the fourth support plate 74 to place the first protruding portion 76 in the first mounting groove; then, the third support plate 73 and the fourth support plate 74 are pushed along the length direction of the first mounting groove, so that the second mounting groove approaches to the first bulge 76; when the first boss 76 moves below the second mounting groove, the first boss 76 slides into the second mounting groove under the action of gravity, and the second mounting groove longitudinally and transversely limits the first boss 76; the third support plate 73 and the fourth support plate 74 are fixedly hung on the first support plate 71 and the second support plate 72.

The bottoms of the first supporting plate 71 and the second supporting plate 72 are provided with a height adjusting device 9; the height adjusting device 9 comprises a height adjusting seat body 91 or a height adjusting piece 92; the height-adjusting seat body 91 is provided with a threaded hole; the height-adjusting piece 92 is provided with a height-adjusting threaded column; the height-adjusting threaded column is in threaded connection with the threaded hole; the supporting device 7 is driven to lift by rotating the height-adjusting piece 92; the height of the bracket is adjusted by matching the height adjusting device with the adjusting device 5. The height-adjusting member 92 is adjusted in the same manner as the adjusting member 52.

Claims

1. A connecting piece comprises a seat body and more than one connecting part, wherein the connecting part is connected to the seat body, a first groove extending to the middle part is formed in the connecting part from top to bottom, a positioning structure is arranged on the inner wall, located in the first groove, of the connecting part, an accommodating area is formed in the positioning structure, and an avoiding area is formed between adjacent accommodating areas in the first groove; the method is characterized in that: a through groove is formed between the accommodating area and the avoiding area on the positioning structure, and the width of the through groove is smaller than that of the first groove.

2. A connector according to claim 1, wherein: the positioning structure comprises a first positioning piece and a second positioning piece; the first positioning piece and the second positioning piece are oppositely arranged on the inner wall of the first groove.

3. A connector according to claim 1, wherein: a lower groove extending to the middle part is formed in the connecting part from bottom to top, and an intermediate plate is formed between the lower groove and the first groove.

4. A fitting according to claim 3, wherein: and a first reinforcing rib connected to the connecting part is arranged below the accommodating area at the bottom of the middle plate.

5. A fitting according to claim 1, wherein: two connecting parts are arranged; an included angle alpha is formed between the two connecting parts; wherein 0 DEG < alpha < 180 deg.

6. A connector according to claim 1, wherein: the number of the connecting parts is three, and an included angle b is formed between every two adjacent connecting parts; wherein 0 DEG < b < 120 deg.

7. A connector according to claim 2, wherein: the base body is connected with an installation part; the mounting part is provided with a fixing part and more than two plug connectors; the fixing part and the plug connector extend from the top surface of the mounting part to the bottom of the mounting part, and more than two plug connectors are exposed out of the mounting part; the fixing part is positioned in the middle of the mounting part;

8. A bracket comprises a connecting piece, a connecting bracket, a first fixing piece and a second fixing piece, wherein the connecting bracket is inserted on the connecting piece; the first fixing piece and the second fixing piece are used for locking and connecting the bracket and the connecting piece; the connecting piece comprises a seat body and more than one connecting part, the connecting part is connected to the seat body, a first groove extending to the middle part is formed in the connecting part from top to bottom, a positioning structure is arranged on the inner wall, located in the first groove, of the connecting part, an accommodating area is formed in the positioning structure, and an avoiding area is formed between adjacent accommodating areas in the first groove; the method is characterized in that: a through groove is formed between the accommodating area and the avoiding area on the positioning structure, and the width of the through groove is smaller than that of the first groove.

9. A bracket according to claim 8, wherein: the positioning structure comprises a first positioning piece and a second positioning piece; the first positioning piece and the second positioning piece are oppositely arranged on the inner wall of the first groove; a lower groove extending to the middle part is formed in the connecting part from bottom to top, and a middle plate is formed between the lower groove and the first groove; a first reinforcing rib connected to the connecting part is arranged below the accommodating area at the bottom of the middle plate;

the base body is connected with an installation part; the mounting part is provided with a fixing part and more than two plug connectors; the fixing part and the plug connector extend from the top surface of the mounting part to the bottom of the mounting part, and more than two plug connectors are exposed out of the mounting part; the fixing part is positioned in the middle of the mounting part;

10. A bracket according to claim 8, wherein: the bracket also comprises a supporting leg; the supporting leg is connected with the bottom of the mounting part, one end of the supporting leg is provided with a second groove, and one end of the supporting leg, which is far away from the mounting part, is provided with an adjusting device; the adjusting device comprises an adjusting seat and an adjusting piece, the adjusting seat is fixed on the supporting leg, and the bottom of the adjusting seat is provided with an accommodating space; the adjusting piece is arranged in the accommodating space and is rotatably connected with the adjusting seat.