CN215634170U

CN215634170U - Cross joint for connecting two cross sections

Info

Publication number: CN215634170U
Application number: CN202121420453.1U
Authority: CN
Inventors: 华金玉; 郑汭
Original assignee: Ningbo Huishen Metal Wire Rod Technology Co ltd
Current assignee: Ningbo Huishen Metal Wire Rod Technology Co ltd
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-01-25
Anticipated expiration: 2031-06-24

Abstract

The utility model discloses a cross joint for connecting two cross profiles, which comprises a first clamping piece, a second clamping piece matched with the first clamping piece and a locking assembly for locking and connecting the first clamping piece and the second clamping piece, wherein the first clamping piece and the second clamping piece are folded to form a first clamping part and a second clamping part in a chute shape. The first clamping part and the second clamping part are arranged oppositely, and projections of the first clamping part and the second clamping part on a parallel surface are intersected, wherein the parallel surface is a plane parallel to the extending direction of the first clamping part and the extending direction of the second clamping part. The cross joint connects two adjacent cross-spanning section bars to form a reinforced frame structure, and the connection and combination tightness between the section bars is improved. The cross joint is folded to clamp and lock the section bar, and the section bar is convenient to fix and dismantle.

Description

Cross joint for connecting two cross sections

Technical Field

The utility model relates to the technical field of connecting devices, in particular to a cross joint for connecting two cross sectional materials.

Background

The tubular section bar is used for building a material frame to form a frame type material frame. The type of the section bar of the frame type structure can be adjusted according to different use scenes, two intersected section bars are arranged in a suspended mode, and a cross joint structure for supporting is not configured. When the span of the profile is large, the sectional dimension of the profile needs to be increased, which leads to an increase in the cost of the profile, and thus an improvement is necessary.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned deficiencies of the prior art, it is an object of the present invention to provide a cross connector for connecting two cross profiles.

In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a cross connection for connecting two cross-section bars, cross connection include first holder, with the second holder that first holder matches, and the locking Assembly who locks and connect first holder and second holder, first holder folds first clamping part and the second clamping part that forms the spout form with the second holder, first clamping part and second clamping part set up back to back, first clamping part with the projection of second clamping part on the parallel surface is crossing, wherein, the parallel surface is for being on a parallel with the extending direction of first clamping part and the plane of the extending direction of second clamping part.

In one embodiment, the projections of the first clamping part and the second clamping part on the parallel surfaces are perpendicular.

In an embodiment, first holder includes the main part, runs through the locking hole of main part, certainly the breach is dodged to the local convex first joint portion in surface and the second joint portion of main part and certainly the breach is dodged to the sunken first breach and the second in surface of main part, first joint portion and the first breach of dodging back to back set up, breach back to back set up is dodged to second joint portion and second, the locking subassembly alternate connect in the locking hole, the second holder with the main part folds up and partly each other the second holder embedding first breach and second are dodged the breach, the second holder with first joint portion forms first clamping part, second joint portion with the second holder forms the second clamping part.

In an embodiment, the main body portion includes a central area, a first extending area and a second extending area, the first extending area and the second extending area partially protrude from the central area, the protruding direction of the first extending area is perpendicular to the protruding direction of the second extending area, the first clamping portion extends from the central area to the first extending area, the second clamping portion extends from the central area to the second extending area, a drop height space between the first extending area and the central area forms the first avoiding gap, and a drop height space between the second extending area and the central area forms the second avoiding gap.

In one embodiment, the main body further includes an inclined surface disposed in the central region, the inclined surface intersects with the first extension region and the second extension region, and a center line of the locking hole intersects with the inclined surface.

In an embodiment, the first clamping portion includes a clamping block protruding from the surface of the main body portion, a clamping surface and an avoiding surface, the clamping surface and the avoiding surface are obliquely intersected, the clamping surface and the surface of the main body portion are obliquely intersected, and a first clamping portion is formed between the clamping surface and the second clamping member.

In one embodiment, the first clamping member includes a chamfered portion provided to the main body portion, and the locking hole penetrates the main body portion from the chamfered portion.

In one embodiment, the first and second clamping members are identical in structure.

In an embodiment, the locking direction of the locking assembly is parallel to the parallel plane.

In one embodiment, the locking assembly includes a locking bolt inserted into the first clamping member and the second clamping member and a locking nut connected to the locking bolt, and a locking direction of the locking bolt and the locking nut intersects with an extending direction of the first clamping portion obliquely.

After adopting the structure, compared with the prior art, the utility model has the advantages that: the cross joint connects two adjacent cross-spanning section bars to form a reinforced frame structure, and the connection and combination tightness between the section bars is improved. The cross joint is folded to clamp and lock the section bar, and the section bar is convenient to fix and dismantle.

Drawings

The utility model is further illustrated with reference to the following figures and examples:

fig. 1 is a schematic perspective view of a cross joint of the present invention.

Fig. 2 is a schematic view of the cross-connect of the present invention connecting two profiles.

Fig. 3 is an exploded view of the cross-over joint of the present invention.

Fig. 4 is a schematic structural view of the first clamping member of the present invention.

Fig. 5 is a front view of a cross-connect of the present invention connecting two profiles.

In the figure: a first tubular profile 10; a tube body 11; clamping the convex rib 12; an arc-shaped curved surface 121; a first clamping surface 122; a second clamping surface 123; a cross-over joint 20; a first clamp 21; a main body portion 211; a central region 2111; a first extension region 2112; a second extension region 2113; a first clip portion 212; a clamping surface 2121; an avoidance surface 2122; a clamp block 2123; a second engaging portion 213; a first avoidance gap 214; a second avoidance gap 215; a locking hole 216; an inclined surface 217; a second clamp 22; a locking assembly 23; the locking bolt 231; a lock nut 232; a first clamping portion 24; a second clamping portion 25; a second tubular profile 30.

Detailed Description

The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.

See fig. 1-3 for: the utility model discloses a cross joint 20 for connecting two cross sectional materials, wherein the cross joint 20 is used for connecting the two sectional materials which are positioned on different planes so as to ensure that the two sectional materials are mutually supported and connected, and the two sectional materials are respectively defined as a first tubular sectional material 10 and a second tubular sectional material 30 for the convenience of distinguishing.

The cross joint 20 comprises a first clamping piece 21, a second clamping piece 22 matched with the first clamping piece 21, and a locking assembly 23 for locking and connecting the first clamping piece 21 and the second clamping piece 22, wherein the first clamping piece 21 and the second clamping piece 22 are folded to form a first clamping part 24 and a second clamping part 25 in a sliding groove shape. The two parts of the first clamping piece 21 and the second clamping piece 22 are assembled together to clamp the workpiece. The cross joint 20 is formed in a hexagonal structure to facilitate clamping and improve flexibility of rotational adjustment of the assembly space. The first clamping part 24 is a clamping groove structure formed by folding the first clamping part 21 and the second clamping part 22, and the second clamping part 25 is a clamping groove structure formed by folding the first clamping part 21 and the second clamping part 22. The first clamping portion 24 is connected to the peripheral wall of the first tubular profile 10 in a clamping manner, and the first tubular profile 10 is adjustable in terms of movement along the cross joint 20, and, approximately, the second clamping portion 25 is connected to the second tubular profile 30 in a clamping manner. The locking assembly 23 locks after the first clamping member 21 and the second clamping member 22 are closed, wherein the locking assembly 23 comprises two locking modes, namely, the locking assembly 23 locks the first clamping member 21 and the second clamping member 22 from the side direction parallel to the parallel surface. Secondly, the locking assembly 23 laterally locks the overlapped parts of the two sides of the first clamping piece 21 and the second clamping piece 22 from the direction perpendicular to the parallel surface, thereby improving the locking strength.

The first tubular section bar 10 and the second tubular section bar 30 are distributed in a vertically staggered mode, and the first clamping portion 24 and the second clamping portion 25 are arranged back to clamp the two section bars distributed vertically respectively, so that the connecting effect is good. Projections of the first clamping portion 24 and the second clamping portion 25 on a parallel plane, which is a plane parallel to the extending direction of the first clamping portion 24 and the extending direction of the second clamping portion 25, intersect. The extending direction of the first clamping part 24 is the length direction of the first tubular section bar 10, the extending direction of the second clamping part 25 is the length direction of the second tubular section bar 30, and the parallel plane is parallel to the first tubular section bar 10 and the second tubular section bar 30. The projections of the first clamping portion 24 and the second clamping portion 25 on the parallel plane intersect, and the intersection angle of the first clamping portion 24 and the second clamping portion 25 can be adaptively adjusted according to the applied scene, for example, the intersection angle of the first clamping portion 24 and the second clamping portion 25 is set to be 45 degrees to 90 degrees, specifically, 45 degrees, 60 degrees, 90 degrees, and other intersection angles. When the intersection angle is 90 degrees, the projection of the first clamping part 24 and the second clamping part 25 on the parallel plane is vertical.

The cross joint 20 connects two adjacent cross-spanning profiles to form a reinforced frame structure, and the tightness of connection and combination between the profiles is improved. The cross joint 20 is folded to clamp and lock the section bar, and the section bar is convenient to fix and dismantle.

See fig. 3-5 for illustration: the first clamping member 21 and the second clamping member 22 are complementary structural members to form a folded clamping structure, and the folded clamping members form a first clamping portion 24 and a second clamping portion 25 which are distributed in a crossed manner, and other areas can have different structures. For example, the first clamping member 21 and/or the second clamping member 22 are provided with a boss, a rib, a notch and other structures in the area outside the first clamping portion 24 and the second clamping portion 25 to adapt to different scenes. In an alternative embodiment, the first clamping member 21 and the second clamping member 22 have the same structure, wherein the first clamping member 21 overlaps the second clamping member 22 after rotating 180 degrees, i.e. the two structures are the same. The first clamping member 21 is taken as an example for illustrative purposes.

In one embodiment, the first clamping member 21 includes a main body portion 211, a locking hole 216 penetrating through the main body portion 211, a first catching portion 212 and a second catching portion 213 partially protruding from a surface of the main body portion 211, and a first escape notch 214 and a second escape notch 215 recessed from a surface of the main body portion 211. A locking hole 216 extends through the body portion 211 for inserting the locking assembly 23 into the locking hole 216 to lock the first and

second clamping members

21 and 22. Optionally, the first clamping portion 212 and the second clamping portion 213 are located in the middle region of the corresponding main body portion 211 to enlarge the clamping area and improve the structural strength.

The first engaging portion 212 and the first avoiding notch 214 are disposed opposite to each other, and the second engaging portion 213 and the second avoiding notch 215 are disposed opposite to each other. The second clamping member 22 and the main body portion 211 are folded together, a part of the second clamping member 22 is embedded into the first avoiding gap 214 and the second avoiding gap 215, the second clamping member 22 and the first clamping portion 212 form a first clamping portion 24, and the second clamping portion 213 and the second clamping member 22 form a second clamping portion 25. The first avoidance gap 214 and the second avoidance gap 215 are provided in the main body portion 211 to constitute a stepped avoidance space. The second clamping member 22 is complementary to the first clamping member 21, wherein the protruding portion of the second clamping member 22 is inserted into the second avoiding notch 215 and forms the first clamping portion 24 with the first clamping portion 212. The other protruding portion of the second clamping member 22 is inserted into the first avoiding notch 214, and forms a second clamping portion 25 with the second clamping portion 213. First holder 21 and second holder 22 crisscross stack motion each other, avoid activity spaces such as swing, improve the effect of first holder 21 and second holder 22 self interlocking.

In a particular embodiment, the body portion 211 includes a central region 2111, a first extension region 2112 that partially protrudes from the central region 2111, and a second extension region 2113, the protruding direction of the first extension region 2112 being perpendicular to the protruding direction of the second extension region 2113. The body portion 211 is formed in an approximately L-shaped configuration, and accordingly, the second clamping member 22 is complementary to the L-shaped configuration, and the two are assembled together in an approximately L-shaped configuration to form an approximately U-shaped folding direction.

The first clip portion 212 extends from the central region 2111 to the first extension region 2112, the second clip portion 213 extends from the central region 2111 to the second extension region 2113, a drop space between the first extension region 2112 and the central region 2111 forms a first avoidance gap 214, and a drop space between the second extension region 2113 and the central region 2111 forms a second avoidance gap 215. The first and second

engaging portions

212 and 213 are configured as long ribs, and the cross sections of the first and second engaging portions are the same or adjusted according to different shapes to be clamped. The first clamping portion 212 extends from the central region 2111 to the first extension region 2112, so that the area of the first clamping portion 212 for clamping the first tubular section 10 is enlarged, and the stability of combination of the two is improved. Optionally, the first clamping portion 212 traverses the body portion 211 to obtain a maximum clamping area. Similarly, the second clamping portion 213 extends from the central region 2111 to the second extension region 2113, so as to enlarge the area of the second clamping portion 213 clamping the second tubular section 30 and improve the stability of the combination of the two.

See fig. 3-5 for illustration: the first extension region 2112 protrudes from the side wall direction of the central region 2111, and one side surface of the first extension region 2112 is flush with the upper surface of the central region 2111. The thickness of the first extension region 2112 is less than the thickness of the central region 2111, and a fall space is formed between the other side surface of the first extension region 2112 and the lower surface of the central region 2111, the fall space constituting a first avoidance gap 214. Similarly, the second extension region 2113 protrudes from the side wall of the central region 2111, and one side surface of the second extension region 2113 is flush with the lower surface of the central region 2111, and a fall space is formed between the other side surface of the second extension region 2113 and the upper surface of the central region 2111, the fall space constituting the second avoidance gap 215. Optionally, the height of the first relief notch 214 is matched to the thickness of the second extension 2113. The bottom surface of the first avoidance gap 214 and the bottom surface of the second avoidance gap 215 are in the same plane.

Alternatively, the protruding direction of the first extension region 2112 and the protruding direction of the second extension region 2113 intersect perpendicularly, and the length direction of the first clip portion 212 and the length direction of the second clip portion 213 are perpendicular to each other. Optionally, the first extension region 2112 includes a first side surface perpendicular to the second extension region 2113, and the second relief notch 215 includes a second side surface parallel to the first side surface, the first side surface and the second side surface not being in the same plane. Optionally, the body portion 211 further includes an angled surface 217 disposed at the central region 2111, the angled surface 217 intersecting the first and

second extension regions

2112, 2113, and a centerline of the locking aperture 216 intersecting the angled surface 217. The inclined surface 217 connects the first side surface and the second side surface, optionally the inclined surface 217 is at an angle of 45 degrees with respect to the first side surface, and correspondingly the second clamping member 22 is adapted to the inclined surface matching the inclined surface 217. In one embodiment, the centerline of the locking hole 216 is perpendicular to the inclined surface 217 to improve the self-centering of the connection of the first and

second clamping members

21 and 22. And, first holder 21 and second holder 22 adjust the spacing distance of first clamping part 24 and second clamping part 25 in relative movement process to progressively centre gripping the section bar, the centre gripping is effectual.

Alternatively, the locking direction of the locking assembly 23 is parallel to the parallel plane and the locking direction of the locking assembly 23 is parallel to the parallel plane, so that the locking assembly 23 clamps the profile from the side of the first and

second clamping members

21 and 22, the operating space is large and does not interfere with the clamping of the profile by the first and

second clamping portions

24 and 25. Specifically, the locking assembly 23 includes a locking bolt 231 penetrating and connecting the first clamping member 21 and the second clamping member 22, and a locking nut 232 connected to the locking bolt 231, and a locking direction of the locking bolt 231 and the locking nut 232 obliquely intersects an extending direction of the first clamping portion 24. The locking bolt 231 is inserted through the locking hole 216 to be locked to the locking nut 232. The locking nut 232 is attached to one of the first clamping member 21 and the second clamping member 22, and the locking bolt 231 is attached to the other. The locking nut 232 is inserted and connected perpendicular to the inclined surface 217 to improve the stress balance of the first clamping member 21 and the second clamping member 22.

Alternatively, the first clamp 21 includes a chamfered portion provided to the main body portion 211, and the locking hole 216 penetrates the main body portion 211 from the chamfered portion. The chamfer portion is provided in the outer peripheral wall of the first clamping member 21, reducing the volume of the first clamping member 21. Alternatively, the chamfered portion is provided with a chamfered surface parallel to the inclined surface 217, and the locking hole 216 is provided in the chamfered surface.

The first clamping portion 212 and the second clamping portion 213 are clamped to connect the profile structures, wherein the first clamping portion 212 is taken as an example for illustration. The first clamping portion 212 protrudes from the end of the main body 211 in a rib shape, so that the cross joint 20 is clamped on the clamping convex rib 12 on the outer peripheral wall of the first tubular section 10. The end of the first clamping portion 212 is adapted to the outer peripheral wall of the first tubular section 10 and the shape of the clamping rib 12, so that the cross joint 20 can move along the clamping rib 12 and can be fixed on the first tubular section 10 after the locking assembly 23 is locked.

Alternatively, the first clamping portion 212 includes a clamping block 2123 protruding from the surface of the main body 211, a clamping surface 2121 and an avoiding surface 2122 provided on the clamping block 2123, the clamping surface 2121 obliquely intersects the avoiding surface 2122, the clamping surface 2121 obliquely intersects the surface of the main body 211, and a first clamping portion 24 is formed between the clamping surface 2121 and the second clamping member 22. The retaining block 2123 projects from the second end of the body portion 211 in a rib-like manner and is inclined with respect to the center line of the recess to form an inclined rib structure. The clamping surface 2121 is a clamping block 2123 for clamping a joint surface defining the clamping rib 12, wherein the clamping surface 2121 is matched with a side wall surface of the clamping rib 12. When the side wall surface of the clamping convex rib 12 is set as an inward-concave inclined surface, the clamping block 2123 is clamped on the clamping convex rib 12 and can avoid separating from the clamping convex rib 12 along the radial direction of the first tubular section 10, so that the tightness of the combination is improved. The clamping surface 2121 and the second clamping piece 22 are oppositely arranged to form a clamping part, so that the clamping effect is good.

The avoiding surface 2122 is located at an end of the clamping block 2123 and is used for avoiding an interference part during the clamping process of the clamping block 2123 and the first tubular profile 10. Specifically, the avoiding surface 2122 is disposed opposite to the surface of the first tubular profile 10 when the first clamping member 21 is clamped to the clamping rib 12 of the first tubular profile 10, so as to reduce the clamping gap between the clamping block 2123 and the first tubular profile 10. Optionally, the relief surface 2122 and the surface of the first tubular profile 10 are matched to each other to reduce the space available for the clamping block 2123.

See fig. 3-5 for illustration: the first tubular section bar 10 comprises a tubular pipe body 11 in a circular tubular shape and a clamping convex rib 12 protruding from the surface of the pipe body 11, and the extending direction of the clamping convex rib 12 is parallel to the central line of the pipe body 11. Optionally, the first tubular section 10 is made of an aluminum alloy material to form an integrally formed structure, and has high overall strength and light weight.

Alternatively, the locking rib 12 includes an arc-shaped curved surface 121, a first locking surface 122 intersecting to one end of the arc-shaped curved surface 121, and a second locking surface 123 intersecting to the other end of the arc-shaped curved surface 121, and the first locking surface 122 intersects to the surface of the pipe body 11 and is inclined with respect to the radial direction of the pipe body 11. The second catching surface 123 intersects the surface of the pipe body 11 and is inclined with respect to the radial line direction of the pipe body 11. The clamping ribs 12 extend along the length direction of the tube body 11 to form a strip-shaped rib structure. The curved surface 121 is curved to reduce material consumption and improve the overall strength of the first tubular section 10. Optionally, the center line of the arc-shaped curved surface 121 coincides with the center line of the pipe body 11, so that the clamping convex rib 12 is attractive in appearance and is adaptive to the structure of the pipe body 11.

The first clamping surface 122 and the second clamping surface 123 form two side walls of the clamping rib 12, so that the cross joint 20 can be clamped between the first clamping surface 122 and the second clamping surface 123, respectively, to connect the cross joint 20 with the first tubular profile 10. The first and second catching

surfaces

122 and 123 are inclined with respect to a radial line of the pipe body 11, that is, an arc length of the curved arc surface 121 is greater than a first arc length between a first intersection line where the first catching surface 122 intersects the pipe body 11 and a second intersection line where the second catching surface 123 intersects the pipe body 11. The cross joint 20 is clamped on the clamping convex rib 12, so that the cross joint 20 is prevented from being separated from the clamping convex rib 12 along the radial direction of the pipe body 11, and the clamping strength is high.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. Other structures and principles are the same as those of the prior art, and are not described in detail herein.

Claims

1. A cross-over joint for joining two cross-over profiles, characterized in that: the cross joint comprises a first clamping piece, a second clamping piece matched with the first clamping piece and a locking assembly connected with the first clamping piece and the second clamping piece in a locking mode, the first clamping piece and the second clamping piece are folded to form a first clamping portion and a second clamping portion in a sliding groove shape, the first clamping portion and the second clamping portion are arranged back to back, the projection of the first clamping portion and the projection of the second clamping portion on a parallel surface are intersected, and the parallel surface is a plane parallel to the extending direction of the first clamping portion and the extending direction of the second clamping portion.

2. The crossover joint of claim 1, wherein: the projections of the first clamping part and the second clamping part on the parallel surfaces are vertical.

3. The crossover joint of claim 1, wherein: first holder includes the main part, runs through the locking hole of main part, certainly the breach is dodged to the local convex first joint portion in surface and the second joint portion in main part and certainly breach and second are dodged to the sunken first breach in surface of main part, first joint portion and the first breach of dodging set up back to back, breach back to back setting is dodged to second joint portion and second, locking subassembly alternate connect in the locking hole, the second holder with the main part folds just part each other the second holder embedding first breach and second are dodged, the second holder with first joint portion forms first clamping part, second joint portion with the second holder forms the second clamping part.

4. A crossover joint as defined in claim 3, wherein: the main body part comprises a central area, a first extending area and a second extending area, wherein the first extending area and the second extending area protrude from the central area partially, the protruding direction of the first extending area is perpendicular to the protruding direction of the second extending area, the first clamping portion extends from the central area to the first extending area, the second clamping portion extends from the central area to the second extending area, a fall space between the first extending area and the central area forms a first avoidance gap, and a fall space between the second extending area and the central area forms a second avoidance gap.

5. The crossover joint of claim 4, wherein: the main body portion further includes an inclined surface provided to the central region, the inclined surface intersecting the first extension region and the second extension region, and a center line of the locking hole intersecting the inclined surface.

6. A crossover joint as defined in claim 3, wherein: the first clamping portion comprises a clamping block protruding from the surface of the main body portion, a clamping face and an avoiding face, the clamping face is obliquely intersected with the surface of the main body portion, and a first clamping portion is formed between the clamping face and the second clamping piece.

7. A crossover joint as defined in claim 3, wherein: the first clamping piece comprises a chamfering part arranged on the main body part, and the locking hole penetrates through the main body part from the chamfering part.

8. The crossover joint of any one of claims 1 to 7, wherein: the first clamping piece and the second clamping piece are identical in structure.

9. The crossover joint of claim 1, wherein: the locking direction of the locking assembly is parallel to the parallel plane.

10. The crossover joint of claim 9, wherein: the locking assembly comprises a locking bolt and a locking nut, the locking bolt is connected with the first clamping piece and the second clamping piece in a penetrating mode, the locking nut is connected with the locking bolt, and the locking direction of the locking bolt and the locking nut is obliquely intersected with the extending direction of the first clamping portion.