Sectional material frame connecting piece

Abstract

The utility model discloses a sectional material frame connecting piece which comprises an inserting cylinder, a locking piece and a driving piece, and at least one locking hole communicated with the interior of the inserting cylinder is formed in the side wall of the inserting cylinder; the locking pieces are located in the inserting cylinder and correspond to the locking holes in a one-to-one mode. The driving piece is used for driving the locking piece to radially stretch; the driving piece comprises a driving rod and elastic pieces, and the elastic pieces are connected with the locking pieces in a one-to-one correspondence mode. The driving rod is screwed on the inserting cylinder in a threaded mode, one end of the driving rod is provided with a locking end used for extruding or releasing the elastic piece, and the other end of the driving rod is provided with a stopping end used for abutting against the profile frame; when the driving rod is screwed into the inserting cylinder in a threaded mode, the locking end can extrude the elastic piece so that the locking piece connected with the elastic piece can stretch out of the corresponding locking hole. According to the sectional material frame connecting piece, the requirement for connection between sectional material frames is met, and the phenomenon of part missing caused by a split structure can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of profile accessories, in particular to a profile frame connector. Background Art

[0002] Profiles are geometrically shaped objects made from materials such as iron, steel, and aluminum through processes like rolling, extrusion, and casting. Aluminum profiles are widely used in display frames due to their light weight and ease of processing. Display frames typically require multiple aluminum profiles to be assembled and secured, often using bolts to secure them. However, since display frames frequently need to be disassembled for use in various exhibitions or settings, bolted connections are cumbersome, and the separate nuts and screws make it easy for parts to become lost during frequent assembly and disassembly. Utility Model Content

[0003] In order to overcome the above-mentioned shortcomings, the purpose of the present invention is to provide a profile frame connector, which not only meets the connection requirements between profile frames, but also avoids the phenomenon of missing parts caused by the split structure.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is: a profile frame connector, comprising

[0005] An inserting cylinder, wherein the side wall of the inserting cylinder is provided with at least one locking hole communicating with the interior thereof;

[0006] A locking member, the locking member being located in the plug-in cylinder and arranged in a one-to-one correspondence with the locking hole;

[0007] A driving member, the driving member is used to drive the locking member to radially expand and contract; the driving member includes a driving rod and a spring, and the spring is connected to the locking member in a one-to-one correspondence; the driving rod is threadedly connected to the plug-in cylinder, one end of the driving rod is provided with a locking end for squeezing or releasing the spring, and the other end is provided with a stop end for abutting against the profile frame;

[0008] When the driving rod is screwed onto the plug-in cylinder, the locking end can squeeze the elastic sheet so that the locking member connected to the elastic sheet extends out of the corresponding locking hole.

[0009] When in use, the plug-in cylinder is inserted into the plug-in holes of the two profile frames to be connected in turn, and the locking hole is located in the plug-in hole of one profile frame, and the stop end is close to the outside of the other profile frame; then the driving rod is rotated so that the driving rod thread is screwed into the plug-in cylinder. At this time, the locking end of the driving rod can squeeze the spring piece and make the locking piece extend out of the locking hole. The locking piece is then tightened in the plug-in hole of one profile frame, and the stop end can abut against the other profile frame; at this time, the two profile frames can maintain a stably connected under the action of the profile frame connecting piece; when the two profile frames need to be removed, the driving rod is rotated in the opposite direction so that the driving rod thread is unscrewed from the plug-in cylinder. At this time, the locking end releases the spring piece, the spring piece is reset and drives the locking piece to retract into the locking hole, and the locking piece immediately releases the plug-in hole of the profile frame. At this time, the plug-in cylinder can be easily taken out, and the two profile frames are immediately separated.

[0010] The beneficial effects of the profile frame connector of the utility model are:

[0011] First, the plug-in cylinder is inserted into the two profile frames to preliminarily limit the connection position of the two profile frames, and then the locking member is driven by the driving member so that the locking member can be quickly locked or unlocked with the profile frame, thereby ensuring the quick disassembly and assembly of the profile frame; at the same time, during use, the locking member can be locked or unlocked to the profile frame by only screwing the driving rod and the plug-in cylinder (loosening or tightening). The plug-in cylinder, locking member, driving rod and spring clip are always an integral structure. Therefore, there will be no situation where parts are easily lost due to disassembly.

[0012] Specifically, the spring piece includes a first flat piece, a recessed portion, and a second flat piece connected in sequence. The first flat piece and the second flat piece both abut against the inner sidewall of the plug-in barrel. The recessed portion is recessed from closer to the inner sidewall of the plug-in barrel to farther away from the inner sidewall of the plug-in barrel. The locking member is located on the side of the recessed portion facing the inner sidewall of the plug-in barrel. The arrangement of the recessed portion enables extrusion deformation of the spring piece. When the locking end is pressed against the recessed portion, it can drive the locking member located in the recessed portion to move.

[0013] Furthermore, all the spring pieces are connected to a connecting plate at one end away from the drive rod, and the connecting plate abuts against the plug-in tube. Since the drive rod is threadedly connected to the plug-in tube, when the drive rod is screwed into the plug-in tube, the drive rod will move upward along the axial direction of the plug-in tube. At this time, the locking end will also move axially. The setting of the connecting plate can limit the spring piece, thereby preventing the spring piece from moving axially due to the force applied by the locking end. In other words, by limiting the position of the spring piece, the locking end can only apply force to drive the spring piece to cause radial compression.

[0014] Furthermore, the locking end is in a truncated cone-shaped structure, and the distance between the small circular surface of the truncated cone-shaped structure and the stop end is greater than the distance between the large circular surface of the truncated cone-shaped structure and the stop end.

[0015] Furthermore, an external thread structure capable of being screwed into the plug-in cylinder is provided on a side surface of the driving rod close to the stop end.

[0016] Specifically, the drive rod includes a rod body, one end of which extends beyond the plug-in barrel and forms the stop end. The stop end has an outer diameter greater than that of the plug-in barrel. The stop end facilitates driving the drive rod outside the plug-in barrel and also defines the mating position between the profile frame connector and the profile frame.

[0017] Furthermore, the side wall of the stop end is provided with anti-slip grooves to facilitate manual force application.

[0018] Furthermore, the locking member includes a locking block; along the radial direction of the plug-in cylinder, the size of the locking block is larger than the size of the locking hole.

[0019] Furthermore, one end of the locking block away from the elastic sheet protrudes outward and forms an arc-shaped abutting surface, so as to reduce the rigidity damage caused when the locking block abuts against the profile frame.

[0020] Furthermore, the plug-in cylinder includes a cylinder body with two open ends, and one end of the cylinder body is detachably connected to a top plate capable of closing the open end, so as to simplify the processing technology of the plug-in cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic structural diagram of a profile frame connector according to an embodiment of the present utility model;

[0022] Figure 2 This is a schematic cross-sectional view of a profile frame connector according to an embodiment of the present utility model;

[0023] Figure 3 This is a schematic structural diagram of a spring piece according to an embodiment of the present utility model;

[0024] Figure 4 This is a schematic structural diagram of a driving rod according to an embodiment of the utility model;

[0025] Figure 5 This is an exploded view of the plug socket according to an embodiment of the present invention.

[0026] In the picture:

[0027] 1-connector cylinder; 11-locking hole; 12-cylinder body; 13-top plate;

[0028] 2-locking member; 21-arc-shaped abutting surface;

[0029] 3-driving rod; 31-locking end; 32-stop end; 33-external thread structure;

[0030] 4-spring; 41-first flat plate; 42-recess; 43-second flat plate;

[0031] 5-Connect the plates. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more precise definition of the protection scope of the present invention.

[0033] Example

[0034] See attached Figure 1-2 As shown, a profile frame connector of the present invention includes a plug-in tube 1, a locking member 2, and a driving member, wherein at least one locking hole 11 connected to the interior of the plug-in tube 1 is provided on the side wall. The locking member 2 is located in the plug-in tube 1 and is arranged in a one-to-one correspondence with the locking hole 11. The driving member is used to drive the locking member 2 to radially expand and contract. Specifically, the driving member includes a driving rod 3 and a spring piece 4, and the spring piece 4 is connected to the locking member 2 in a one-to-one correspondence; the driving rod 3 is threadedly connected to the plug-in tube 1, and one end thereof is provided with a locking end 31 for squeezing or releasing the spring piece 4, and the other end is provided with a stop end 32 for abutting against the profile frame. When the driving rod 3 is screwed into the plug-in tube 1, the locking end 31 can squeeze the spring piece 4 so that the locking piece 2 connected to the spring piece 4 extends out of the corresponding locking hole 11; when the driving rod 3 is screwed out of the plug-in tube 1, the locking end 31 can release the spring piece 4, and the spring piece 4 is immediately reset and drives the locking piece 2 connected to it to retract into the corresponding locking hole 11.

[0035] When in use, insert the plug-in cylinder 1 into the plug-in holes of the two profile frames to be connected in sequence, and make the locking hole 11 located in the plug-in hole of one profile frame, and the stop end 32 close to the outside of the other profile frame; then rotate the drive rod 3 so that the drive rod 3 is screwed into the plug-in cylinder 1. At this time, the locking end 31 of the drive rod 3 can squeeze the spring piece 4 and make the locking member 2 extend out of the locking hole 11. The locking member 2 is then tightened in the plug-in hole of one profile frame, and the stop end 32 can When the two profile frames need to be removed, the drive rod 3 is rotated in the opposite direction so that the drive rod 3 is screwed out of the plug-in cylinder 1. At this time, the locking end 31 releases the spring piece 4, and the spring piece 4 is reset and drives the locking member 2 to retract into the locking hole 11. The locking member 2 then releases the plug-in hole of the profile frame. At this time, the plug-in cylinder 1 can be easily taken out, and the two profile frames are immediately separated.

[0036] It should be noted that the locking holes 11 are evenly distributed along the circumference of the plug-in barrel 1. Accordingly, the springs 4 are also evenly distributed along the circumference of the plug-in barrel 1. When the drive rod 3 is screwed into or out of the plug-in barrel 1, the drive rod 3 can simultaneously squeeze or release all the springs 4. The "radial" and "axial" mentioned herein refer to the "radial" and "axial" directions of the plug-in barrel 1, respectively.

[0037] In some embodiments, see Appendix Figure 3 As shown, the spring piece 4 includes a first flat piece 41, a recessed portion 42, and a second flat piece 43 connected in sequence. The first flat piece 41 and the second flat piece 43 are both in contact with the inner side wall of the plug-in barrel 1. The recessed portion 42 is recessed from close to the inner side wall of the plug-in barrel 1 to away from the inner side wall of the plug-in barrel 1. The locking member 2 is located on the side of the recessed portion 42 facing the inner side wall of the plug-in barrel 1. When the locking end 31 presses the recessed portion 42, the recessed portion 42 can be deformed in the direction close to the inner side wall of the plug-in barrel 1, and the locking member 2 will then extend along the locking hole 11. When the locking end 31 releases the recessed portion 42, the recessed portion 42 can be reset under its own elastic action to drive the locking member 2 to retract into the locking hole 11.

[0038] As the drive rod 3 is threaded into the plug-in barrel 1, the locking end 31 applies an axial force to the recess 42 along the plug-in barrel 1. To prevent the locking member 2 from squeezing the locking hole 11 due to axial movement of the spring clip 4, in some embodiments, the end of the spring clip 4 away from the drive rod 3 is connected to a connecting plate 5 that abuts against the plug-in barrel 1. The provision of the connecting plate 5 can limit the spring clip 4, thereby preventing the recess 42 from axially moving due to the force applied by the locking end 31. In other words, the spring clip 4 is limited by the connecting plate 5, so that the locking end 31 can only apply force to cause the recess 42 of the spring clip 4 to be radially squeezed. Furthermore, the spring clip 4 and the connecting plate 5 are integrally formed.

[0039] Furthermore, the locking end 31 is truncated cone-shaped, and the distance between the smaller circular surface of the truncated cone and the stop end is greater than the distance between the larger circular surface of the truncated cone and the stop end 32. In other words, the smaller circular surface of the truncated cone is farther from the stop end 32. As the drive rod 3 is screwed into the connector 1, the contact point between the recess 42 and the locking end 31 gradually shifts from the side closer to the smaller circular surface to the side closer to the larger circular surface. The truncated cone structure then compresses the recess 42 toward the inner wall of the connector 1, causing it to deform.

[0040] In some embodiments, see Appendix Figure 4As shown, the drive rod 3 comprises a rod body, one end of which extends beyond the plug-in barrel 1 and forms a stopper 32. The outer diameter of the stopper 32 is larger than that of the plug-in barrel 1. The stopper 32 facilitates rotation of the drive rod 3 outside the plug-in barrel 1 and also abuts against the profile frame to ensure the stability of the connection. Furthermore, the sidewalls of the stopper 32 are provided with anti-slip grooves to facilitate manual force application.

[0041] In addition, an external thread structure 33 that can be screwed into the plug-in barrel 1 is provided on a side surface of the rod body close to the stop end 32 .

[0042] In some embodiments, the locking member 2 includes a locking block, and along the radial direction of the plug-in barrel 1, the locking block is larger than the locking hole 11, so that a portion of the locking block is always located within the plug-in barrel 1. Furthermore, the end of the locking block away from the spring 4 protrudes outward and forms an arc-shaped abutment surface 21 to adapt to the shape of the profile frame plug-in hole, reducing rigidity damage caused by the locking block pressing against the plug-in hole.

[0043] In some embodiments, see Appendix Figure 5 As shown, the plug-in barrel 1 includes a barrel body 12 with two open ends, and a top plate 13 that can close the open end is detachably connected to one end of the barrel body 12 to simplify the processing of the plug-in barrel. Furthermore, the barrel body 12 and the top plate 13 can be connected by an interference fit.

[0044] The above implementation methods are only for illustrating the technical concept and features of the utility model. Its purpose is to enable people familiar with this technology to understand the content of the utility model and implement it. It cannot be used to limit the scope of protection of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the scope of protection of the utility model.

Claims

1. A profile frame connector, characterized in that: include An inserting cylinder, wherein the side wall of the inserting cylinder is provided with at least one locking hole communicating with the interior thereof; A locking member, the locking member being located in the plug-in cylinder and arranged in a one-to-one correspondence with the locking hole; A driving member, the driving member is used to drive the locking member to radially expand and contract; the driving member includes a driving rod and a spring, and the spring is connected to the locking member in a one-to-one correspondence; the driving rod is threadedly connected to the plug-in cylinder, one end of the driving rod is provided with a locking end for squeezing or releasing the spring, and the other end is provided with a stop end for abutting against the profile frame; When the driving rod is screwed onto the plug-in cylinder, the locking end can squeeze the elastic sheet so that the locking member connected to the elastic sheet extends out of the corresponding locking hole.

2. The profile frame connector according to claim 1, characterized in that: The spring piece includes a first flat piece, a recess, and a second flat piece connected in sequence. The first flat piece and the second flat piece are both in contact with the inner wall of the plug-in tube. The recess is recessed from close to the inner wall of the plug-in tube to away from the inner wall of the plug-in tube; and the locking piece is located on the side of the recess facing the inner wall of the plug-in tube.

3. The profile frame connector according to claim 2, characterized in that: One end of all the elastic pieces away from the driving rod is commonly connected to a connecting plate, and the connecting plate abuts against the plug-in cylinder.

4. The profile frame connector according to claim 1, characterized in that: The locking end is in a truncated cone shape, and the distance between the small circular surface of the truncated cone structure and the stop end is greater than the distance between the large circular surface of the truncated cone structure and the stop end.

5. The profile frame connector according to claim 1, characterized in that: An external thread structure capable of being screwed into the plug-in cylinder is provided on a side surface of the driving rod close to the stop end.

6. The profile frame connector according to claim 1, characterized in that: The driving rod comprises a rod body, one end of the rod body extends out of the plug-in cylinder and forms the stop end, and the outer diameter of the stop end is greater than the outer diameter of the plug-in cylinder.

7. The profile frame connector according to claim 6, characterized in that: The side wall of the stop end is provided with anti-slip lines.

8. The profile frame connector according to claim 1, characterized in that; The locking member includes a locking block; along the radial direction of the plug-in cylinder, the size of the locking block is larger than the size of the locking hole.

9. The profile frame connector according to claim 8, characterized in that: One end of the locking block away from the elastic sheet protrudes outwards and forms an arc-shaped abutting surface.

10. The profile frame connector according to claim 1, characterized in that: The plug-in cylinder comprises a cylinder body with two open ends, and one end of the cylinder body is detachably connected to a top plate capable of closing the open end.

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