CN218116779U

CN218116779U - Connecting assembly and suspension device

Info

Publication number: CN218116779U
Application number: CN202221770268.XU
Authority: CN
Inventors: 郭苗苗
Original assignee: Taiyi Rain Curtain System Technology Guangdong Co ltd
Current assignee: Taiyi Rain Curtain System Technology Guangdong Co ltd
Priority date: 2022-07-08
Filing date: 2022-07-08
Publication date: 2022-12-23
Anticipated expiration: 2032-07-08

Abstract

The utility model discloses a connecting assembly and a hanging device, wherein the connecting assembly is used for connecting with a wall body, the connecting assembly comprises a fastener and a pre-embedded plate, the fastener is vertically arranged with the pre-embedded plate, the pre-embedded plate is used for installing in the wall body, wherein, the pre-embedded plate is provided with a hole, the fastener is in a cylindrical structure, the inner diameter of the hole is smaller than the outer diameter of the fastener, the hole is used for allowing one end of the fastener to pass through, so that the fastener is connected with the pre-embedded plate, and one end of the fastener is also used for connecting with the wall body; the fastener is arranged perpendicular to the embedded plate, so that one end of the fastener acts on the embedded plate perpendicularly, after one end of the fastener penetrates through the hole, the fastener is clamped by the embedded plate, the fastener is firmly connected with the embedded plate, the connection strength of the fastener and a wall body is increased, the embedded plate is arranged in the wall body, and the structural strength of the wall body is also increased.

Description

Connecting assembly and suspension device

Technical Field

The utility model relates to a technical field of building structure and bolted connection assembly, in particular to coupling assembling and linkage.

Background

The light concrete can be used as a material of an assembled light partition board, and has the characteristics of light weight, high strength and the like, and the strength grades are generally 3Mpa, 5Mpa and 7.5Mpa. At present, the connection of the light partition board and the external material node mostly adopts the connection modes of nylon anchor bolts, mechanical anchor bolts, chemical anchor bolts and the like; there are many disadvantages to using the above node connection method. For example, the nylon anchor bolt and the mechanical anchor bolt have complex construction procedures and high failure probability, the joint connection of the chemical anchor bolt needs on-site glue application and maintenance, the strength is not easy to guarantee, and the construction period is longer.

The existing method generally adopts expansion bolts to connect with a light partition wall board, firstly determines the punching position, then adopts an electric hammer to aim at the punching position to drill a through-wall hole, and then implants the expansion bolts into a wall body and sinks into the wall surface on the other side; then the crack-resistant agent made of the polymer emulsion and the additive, cement and sand are added with water according to a certain proportion and stirred to prepare the crack-resistant mortar which can meet certain deformation and can not crack. The connection strength is low in the mode, and the local pressure resistance is general; secondly, the screw penetrates through the wall body, a hole needs to be formed in advance, the plate is damaged, the hole needs to be repaired by mortar materials, the process is complex, and the quality problem is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coupling assembling aims at improving the joint strength of coupling assembling and wall body.

In order to achieve the above object, the present invention provides a connection assembly, which is used for connecting with a wall, and includes a fastener and a pre-embedded plate, wherein the fastener is perpendicular to the pre-embedded plate, and the pre-embedded plate is used for being installed in the wall; the embedded plate is provided with a hole, the fastener is of a cylindrical structure, the inner diameter of the hole is smaller than the outer diameter of the fastener, one end of the fastener penetrates through the hole, so that the fastener is connected with the embedded plate, and one end of the fastener is also connected with the wall.

Preferably, the fastener includes nut, screw rod portion and nail point, the nut with the one end of screw rod portion is connected, the other end of screw rod portion with the nail point is connected.

Preferably, the nail tip is provided with a self-drilling screw.

Preferably, the nut with be equipped with straight pole portion between the screw rod portion, the outer wall of straight pole portion is equipped with concave-convex structure, concave-convex structure follows the circumference of straight pole portion extends the setting.

Preferably, the screw pitch of the screw part is 1.5-4.5 mm, and the screw pitch is the same as the thickness of the embedded plate; the height of each of the threads is 0.7-1.5 mm.

Preferably, coupling assembling still includes the sleeve, the sleeve is hollow tubular structure, the sleeve cup joint in the fastener, the sleeve install in the wall body, the sleeve is close to the outer end setting of wall body.

Preferably, the sleeve is provided with at least two spiral wings, which are arranged at the outer end of the sleeve.

Preferably, a rough surface for skid prevention is arranged in the sleeve, and the sleeve is made of metal or resin.

Preferably, the wall comprises a lightweight concrete wall.

The utility model also provides a linkage, include as above-mentioned coupling assembling, linkage is equipped with the pendant, coupling assembling's one end is passed the pendant, coupling assembling's the other end with the pendant offsets, the pendant quilt coupling assembling is fixed in the outer wall of wall body.

The technical scheme of the utility model pass through the fastener with the built-in panel sets up perpendicularly, the built-in panel be used for install in the wall body, wherein, the built-in panel is equipped with the hole, the fastener is tubular structure, the internal diameter of hole is less than the external diameter of fastener, the hole is used for supplying the one end of fastener is passed, so that the fastener with the built-in panel is connected, just the one end of fastener still be used for with wall body connects. The fastener is vertically arranged with the embedded plate, so that one end of the fastener vertically acts on the embedded plate, and the fastener is convenient to install; after one end of the fastener penetrates through the hole, interference fit is formed between the fastener and the hole, and the fastener can be clamped by the embedded plate, so that the fastener is firmly connected with the embedded plate, the connection strength of the fastener and the wall body is increased, and the embedded plate is installed in the wall body and also increases the structural strength of the wall body.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic diagram of an embodiment of the connection assembly of the present invention.

Fig. 2 is a schematic view of a sleeve according to an embodiment of the present invention.

Fig. 3 is a schematic view of a fastener according to an embodiment of the present invention.

Fig. 4 is a partial enlarged view of a position a in an embodiment of the connecting assembly of the present invention.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1	Hanging piece	25	Screw thread
2	Fastening piece	26	Height
				21	Nut cap	27	Pitch of thread
22	Straight rod part	3	Sleeve barrel
				221	Concave-convex structure	31	Spiral wing
23	Screw part	4	Pre-buried plate
				24	Nail tip	5	Wall body

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear \8230;) are involved in the embodiments of the present invention, the directional indications are only used to explain the relative positional relationship between the components in a specific posture, the motion situation, etc., and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, if the expression "and/or" and/or "is used throughout, the meaning includes three parallel schemes, for example," A and/or B ", including scheme A, or scheme B, or a scheme satisfying both schemes A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a coupling assembling. Referring to fig. 1 to 3, in the first embodiment of the present invention, this coupling assembling is used for being connected with wall 5, including fastener 2 and built-in board 4, fastener 2 with built-in board 4 sets up perpendicularly, built-in board 4 be used for install in wall 5, wherein, built-in board 4 is equipped with a plurality of hole, fastener 2 is the tubular structure, the internal diameter of hole is less than fastener 2's external diameter. The hole is used for allowing one end of the fastener 2 to penetrate through so that the fastener 2 is connected with the embedded plate 4, and one end of the fastener 2 is also used for being connected with the wall 5. In this embodiment, the wall body 5 is a lightweight concrete wall, when the wall body 5 is poured, the pre-embedded plate 4 is placed in a template in advance, the pre-embedded plate 4 may be a steel plate, a plurality of holes are formed in the steel plate, and when one end of the fastening member 2 is installed on the wall body 5, the holes are used for the fastening member 2 to pass through, so that the fastening member 2 is connected with the steel plate, and the connection strength between the fastening member 2 and the wall body 5 is enhanced; when the inner diameter of the hole is smaller than the outer diameter of the fastener 2, the fixing piece 2 can penetrate through the hole in a rotating mode, interference fit is formed between the fastener 2 and the hole, the fastener 2 can be clamped by the embedded plate 4, the connection strength of the fastener 2 and the embedded plate 4 is improved, the structural integrity of the connecting assembly and the wall body 5 is improved, and the overall strength of the wall body 5 is also improved through the steel plate.

The technical scheme of the utility model pass through fastener 2 with built-in board 4 sets up perpendicularly, built-in board 4 be used for install in wall body 5, wherein, built-in board 4 is equipped with a plurality of hole, fastener 2 is the tubular structure, the internal diameter of hole is less than fastener 2's external diameter, the hole is used for supplying fastener 2's one end is passed, so that fastener 2 with built-in board 4 connects, just fastener 2's one end still be used for with wall body 5 connects. The fastener 2 is vertically arranged with the embedded plate 4, so that one end of the fastener 2 vertically acts on the embedded plate 4, and the fastener 2 is favorably installed; after one end of the fastener 2 penetrates through the hole, interference fit is formed between the fastener 2 and the hole, so that the fastener 2 can be clamped by the embedded plate 4, the fastener 2 and the embedded plate 4 are firmly connected, the connection strength of the fastener 2 and the wall body 5 is increased, the embedded plate 4 is installed in the wall body 5, and the structural strength of the wall body 5 is also increased.

In addition, fastener 2 includes nut 21, screw portion 23 and spike 24, nut 21 with the one end of screw portion 23 is connected, the other end of screw portion 23 with spike 24 is connected. This nut 21, screw rod portion 23 and spike 24 integrated into one piece, screw rod portion 23 is connected with wall body 5, and spike 24 is used for stretching into in the wall body 5, and the tip area of spike 24 is less, can make fastener 2 through rotatory mode entering wall body 5 in, has further improved coupling assembling's installation effectiveness.

Furthermore, the tip 24 is provided with a self-drilling screw. The self-drilling screw enters the wall body 5 step by utilizing the inclined plane circular rotation and the friction force of an object to be used as a tool for fastening parts; the self-drilling screw is a screw with a self-tapping drilling head at the front end of the screw; self-drilling screws are also called self-drilling screws; the self-drilling screw is adopted, holes do not need to be punched in the wall body 5 in advance, the mounting efficiency of the connecting assembly is further improved, and manpower and material resources are saved.

In addition, a straight rod part 22 is arranged between the screw cap 21 and the screw rod part 23, a concave-convex structure 221 is arranged on the outer wall of the straight rod part 22, and the concave-convex structure 221 extends along the circumferential direction of the straight rod part 22. The straight rod part 22 is positioned between the screw cap 21 and the screw rod part 23, so that the straight rod part 22 can be arranged close to the outer end of the wall body 5, and the concave-convex structure 221 improves the local friction performance of the fastener 2; the concave-convex structure 221 is used for increasing the friction coefficient between the fastener 2 and the hanging member 1, and further improving the connection stability between the fastener 2 and the hanging member 1.

As shown in fig. 4, the outer wall of the screw part 23 is provided with a thread 25, the pitch 27 of the thread 25 is 1.5-4.5 mm, and the pitch 27 is the same as the thickness of the steel plate; the height 26 of each of the plurality of threads 25 is 0.7 to 1.5mm, and the plurality of threads 25 are inclined. In this embodiment, the pitches 27 of the plurality of the screw threads 25 are all 3mm, and the heights 26 of the plurality of the screw threads 25 are all 1mm, so that the engagement strength between the screw part 23 and the wall 5 can be further increased; the pitch 27 of the adjacent threads 25 is the same as the thickness of the steel plate, and the pitch 27 and the thickness of the steel plate are the same within plus or minus 0.3mm, so that the steel plate can be clamped between the two adjacent threads 25, and the connecting strength of the fastener and the steel plate is further improved; can make fastener 2 tracking progressive entering to wall body 5 in through wrench movement fastener 2, avoid opening the hole on wall body 5 in advance to improve coupling assembling's installation effectiveness.

In addition, coupling assembling still includes sleeve 3, sleeve 3 is hollow tubular structure, sleeve 3 cup joint in fastener 2, just sleeve 3 install in wall body 5, sleeve 3 is close to the outer end setting of wall body 5. The sleeve 3 is of a hollow cylindrical structure, so that the sleeve 3 can enter the wall body 5 in a rotating mode, and meanwhile, the sleeve 3 is sleeved on the outer wall of the screw rod part 23; in the performance compression test of coupling assembling and wall body 5, when fracture or destruction appear in fastener 2, the breaking point of its fastener 2 often is close to the outer end of wall body 5, sets up sleeve 3 near the outer end of wall body 5, can increase the lifting surface area of fastener 2 to the pressure that makes fastener 2 receive transmits sleeve 3, further strengthens the local compressive property of fastener 2.

Furthermore, the sleeve 3 is provided with at least two helical wings 31, the helical wings 31 being arranged at the outer end of the sleeve 3. In the embodiment, the number of the spiral wings 31 is two, and the two spiral wings 31 are arranged oppositely, so that the spiral wings 31 can increase the friction coefficient between the sleeve 3 and the wall 5, prevent the sleeve 3 from being driven by the acting force of the fastening piece 2, reduce the movement of the sleeve 3 caused by the received torque force, and further improve the connection stability of the connection assembly; this spiral wing 31 sets up along the inclined plane of sleeve 3, and the inclined plane of sleeve is as the contact surface with wall body 5, and spiral wing 31 still is favorable to sleeve 3 to fill in wall body 5 through rotatory mode, has further improved coupling assembling's installation effectiveness.

In addition, the sleeve 3 is internally provided with a rough surface for skid resistance, and the rough surface refers to that the inner surface of the sleeve is not subjected to grinding treatment and is rougher than the treated surface; the sleeve 3 is made of metal, a rough surface for skid prevention is arranged in the sleeve 3, so that the friction force between the sleeve 3 and the screw rod part 23 can be increased, the structural integrity of the sleeve 3 and the fastener 2 is better, and the sleeve 3 is made of metal and used for increasing the rigidity of the sleeve 3 and improving the compressive strength of the sleeve 3; certainly, the sleeve 3 can also be made of resin, and the fastening piece 2 extrudes the sleeve 3 by utilizing the characteristic that the resin has elasticity, so that the sleeve 3 expands, the friction force between the sleeve 3 and the wall body 5 is increased, and the connection strength between the connecting component and the wall body 5 is improved.

Further, the wall body 5 includes a lightweight concrete wall. The wall body 5 made of lightweight concrete becomes a lightweight concrete wall, also called as foam concrete, oxygen and carbon dioxide in the air are introduced into the concrete according to needs to form closed air holes with different sizes, generally, a foaming agent aqueous solution is made into foam by a mechanical method and added into water and various additive materials to form a novel heat insulation material secreting a large amount of air holes.

The utility model discloses still provide a linkage, include as above-mentioned coupling assembling, linkage is equipped with pendant 1, and this pendant 1 is equivalent to the fossil fragments of installation spare part, pendant 1 is passed to coupling assembling's one end, coupling assembling's the other end with pendant 1 offsets, pendant 1 quilt coupling assembling is fixed in the outer wall of wall body 5. By adopting the connecting assembly as a supporting point of the suspension device, the pressure resistance of the pendant 1 can be increased, and the bearing capacity of the pendant 1 can be improved; meanwhile, the concave-convex structure 221 of the fastener 2 is connected with the pendant 1, so that the pulling resistance of the pendant 1 can be improved. The hanger 1 comprises an angle steel, and the fastener 2 penetrates through at least one part of the angle steel. The two ends of the angle steel are perpendicular to each other to form angular long steel, and the angle steel is used for connecting other parts and components and has high adaptability.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The connecting assembly is used for being connected with a wall body and is characterized by comprising a fastening piece and an embedded plate, wherein the fastening piece and the embedded plate are vertically arranged, and the embedded plate is used for being installed in the wall body; the embedded plate is provided with a hole, the fastener is of a cylindrical structure, the inner diameter of the hole is smaller than the outer diameter of the fastener, one end of the fastener penetrates through the hole, so that the fastener is connected with the embedded plate, and one end of the fastener is also connected with the wall.

2. The connection assembly of claim 1, wherein the fastener includes a nut, a shank, and a spike, the nut being connected to one end of the shank, the other end of the shank being connected to the spike.

3. The connector assembly of claim 2 wherein the spike is provided with a self drilling screw.

4. The connecting assembly according to claim 3, wherein a straight rod part is arranged between the screw cap and the screw rod part, and the outer wall of the straight rod part is provided with a concave-convex structure which extends along the circumferential direction of the straight rod part.

5. The connecting assembly of claim 4, wherein the screw portion has a pitch of 1.5 to 4.5mm, and the pitch is the same as the thickness of the embedded plate.

6. The connection assembly of claim 1, further comprising a sleeve, wherein the sleeve is a hollow cylindrical structure, the sleeve is sleeved on the fastener, the sleeve is installed in the wall body, and the sleeve is disposed near an outer end of the wall body.

7. The connection assembly of claim 6, wherein the sleeve is provided with at least two helical wings disposed at an outer end of the sleeve.

8. The connector assembly of claim 7 wherein the sleeve has a textured surface for anti-slip properties and is made of metal or resin.

9. The connection assembly of claim 1, wherein the wall comprises a lightweight concrete wall.

10. A suspension device, comprising a connecting assembly according to any one of claims 1 to 9, wherein the suspension device is provided with a hanging member, one end of the connecting assembly passes through the hanging member, the other end of the connecting assembly abuts against the hanging member, and the hanging member is fixed on the outer wall of the wall body by the connecting assembly.