CN210770698U

CN210770698U - Mounting connecting piece

Info

Publication number: CN210770698U
Application number: CN201921638036.7U
Authority: CN
Inventors: 张平喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-16
Anticipated expiration: 2029-09-27

Abstract

The utility model relates to the technical field of installation accessories, and discloses an installation connecting piece, which is characterized in that an installation part is installed in an installation groove, a movable fastener is rotated, the movable fastener exerts upward pressure on a cutting piece in the process of screwing the movable fastener towards the installation part, the cutting piece is pushed to rotate under the action of the pressure to enable the second end of the cutting piece to be embedded into the inner wall of the installation groove for fixing the installation connecting piece in the installation groove, a hydroelectric line or an ornament to be installed is installed on a connecting rod, the bearing strength of the connecting rod can be increased due to the double fixation of the installation part and the cutting piece, the hydroelectric line or the ornament on the connecting rod can be ensured to be fixed on a wall surface or a ceiling, simultaneously, non-impact drilling can be realized to fix the installation connecting piece on the installation surface, the risk of damaging water pipes and wires or building, and the structure is simple, professional installation personnel are not needed for installation, and the construction cost is reduced.

Description

Mounting connecting piece

Technical Field

The utility model relates to a technical field of installation accessory especially relates to a erection joint spare.

Background

In the field of building decoration, in order to meet the basic requirements of water and electricity of building houses, a water and electricity boiling groove on a wall surface or a ceiling needs to be used for water pipe and electric wire routing layout or decoration installation, in the traditional water and electricity wiring, a steel nail or a staple is arranged at one end of the groove, where a fixed installation object is needed, and the electric wire at the end, where the fixed installation object is needed, is fixed in the groove by the steel nail or the staple, and the other end of the groove is fixed, so that the time and labor are wasted and the electric wire is not easy to fix by the steel nail or the staple; in some occasions requiring attractive decoration, lamps, curtains or decorative fresco need to be installed on the wall surface or the ceiling, holes need to be drilled on the wall surface or the ceiling by using a percussion drill in the installation process, and then the bottom plates of the lamps, the curtains and the decorative fresco need to be fixed by using expansion screws, so that the lamps, the curtains, the decorative fresco and the like can be installed, the drilled holes are easy to damage water pipes and wires or building steel bars, a large amount of dust and noise are generated, and the percussion drill of an electric tool which is not frequently provided for families is needed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in the prior art, when water and electricity wiring layout is carried out on a wall surface or a ceiling, fixing electric wires by steel nails or staple nails is time-consuming and labor-consuming, and the fixing effect is poor; when the decoration is installed, impact drilling is needed, and the drilling not only has the risk of damaging water pipes and electric wires or building reinforcing steel bars, but also generates a large amount of dust and noise.

In order to solve the technical problem, the utility model provides an installation connecting piece which is installed on an installation surface, wherein the installation surface is provided with an installation groove and comprises an installation piece, a cutting piece and a movable fastener, the first end of the cutting piece is rotatably connected with the installation piece, and the second end of the cutting piece is obliquely arranged outwards; the installed part includes the connecting rod and locates the one end of connecting rod and be used for installing extremely installation department in the mounting groove, movable fastener cover is located on the connecting rod and can follow the connecting rod orientation the installation department precession is in order to promote the second end of cutting piece imbeds gradually extremely the inner wall of mounting groove.

Further preferably, the connecting rod is perpendicular to the mounting portion, the length of the mounting portion is L, the width of the mounting groove is W, and L is greater than W.

Further preferably, the two cutting pieces are provided, when the second ends of the two cutting pieces are inclined outwards, the distance between the outermost connecting lines of the two cutting pieces is D1, and 0.5W < D1 < W;

when the second ends of the two cutting pieces are rotated to be perpendicular to the connecting rod, the distance between the outermost connecting lines of the two cutting pieces is D2, and W < D2 < 2W.

Further preferably, the second end of the cutting member is provided with a cutting edge.

Further preferably, the cutting edge is any one of a straight edge, a beveled edge, and a tooth edge.

Further preferably, the cutting edge is provided on an outer end edge of the cutter.

Further preferably, the installation department wears to be equipped with first pivot along its axis direction, be equipped with two on the installation department and dodge the groove, two dodge the groove and be located respectively the both sides of connecting rod, two the first end of cutting piece is located two respectively dodge the inslot with first pivot swivelling joint.

Further preferably, a first rotating shaft penetrates through the mounting portion along the axis direction of the mounting portion, a through groove is formed in the connecting rod, and the first ends of the two cutting pieces are arranged in the through groove and are rotatably connected with the first rotating shaft.

Further preferably, the mounting portion is respectively provided with a second rotating shaft and a third rotating shaft in a penetrating manner along the axis direction of the mounting portion, and the first ends of the two cutting pieces are respectively connected with the second rotating shaft and the third rotating shaft.

Further preferably, the movable fastener is provided with a connecting hole with internal threads, and the connecting rod is provided with external threads matched with the internal threads of the movable fastener.

The embodiment of the utility model provides a erection joint spare, compared with the prior art, its beneficial effect lies in:

the installation connecting piece of the embodiment of the utility model is characterized in that the installation part is installed in the installation groove, the installation part is generally pre-embedded in the installation groove of the wall or the ceiling, the movable fastener is rotated, in the process that the movable fastener is screwed towards the installation part, the movable fastener simultaneously exerts upward pressure on the cutting piece, the cutting piece is driven to rotate under the action of the pressure to enable the second end of the cutting piece to be gradually embedded into the inner wall of the installation groove for fixing, so as to further fix the installation connecting piece in the installation groove, the hydroelectric line or the decoration needing to be installed is installed on the connecting rod, the bearing strength of the connecting rod can be increased due to the double fixing of the installation part and the cutting piece, the hydroelectric line or the decoration on the connecting rod can be ensured to be firmly fixed on the wall or the ceiling, meanwhile, the impact-free drilling can be realized to, greatly reduces the generation of dust and noise, has simple structure, does not need professional installation personnel to install, and reduces the construction cost.

Drawings

Fig. 1 is a schematic structural diagram of a mounting connector according to a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of another view angle of the mounting connector according to the first embodiment of the present invention;

fig. 3 is a schematic view illustrating an initial state of the installation connecting member being placed in the installation groove according to the first embodiment of the present invention;

fig. 4 is a schematic view illustrating a state in which the installation connecting member is embedded in the installation groove according to the first embodiment of the present invention;

fig. 5 is a schematic view of the fitting between the mounting portion and the connecting rod in the second embodiment of the present invention;

FIG. 6 is a schematic view of a cutting element according to a first and second embodiment of the present invention;

fig. 7 is a schematic view of the fitting between the mounting portion and the connecting rod according to the third embodiment of the present invention;

fig. 8 is a schematic structural view of an embedded state of the mounting connector according to the third embodiment of the present invention;

fig. 9 is a schematic structural view of a cutting member according to a third embodiment of the present invention.

In the figure, 10, the mounting surface; 20. mounting grooves; 30. a connecting rod; 40. a cutter; 50. a movable fastener; 60. an installation part; 70. a fixing member; 601. a first rotating shaft; 602. a second rotating shaft; 603. a third rotating shaft; 604. an avoidance groove; 605. a through groove; 606. a groove; 401. a cutting edge; 501. a connecting section; 502. and a fastening section.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 4 and fig. 6, a mounting connector according to a preferred embodiment of the present invention is mounted on a mounting surface 10, the mounting surface 10 is provided with a mounting groove 20, the mounting connector includes a mounting member, a cutting member 40 and a movable fastening member 50, a first end of the cutting member 40 is rotatably connected to the mounting member, and a second end of the cutting member 40 is disposed to be inclined outward; the mounting member includes a connecting rod 30 and a mounting portion 60 disposed at one end of the connecting rod 30 and used for being mounted in the mounting groove 20, and the movable fastener 50 is sleeved on the connecting rod 30 and can be screwed along the connecting rod 30 toward the mounting portion 60 to push the second end of the cutting member 40 to be gradually embedded into the inner wall of the mounting groove 20.

Specifically, by installing the installation part 60 in the installation groove 20, generally, by embedding the installation part 60 in the installation groove 20 of the wall or the ceiling, rotating the movable fastener 50, as the movable fastener 50 is screwed toward the installation part 60, the movable fastener 50 simultaneously applies upward pressure to the cutting member 40, and under the pressure, the cutting member 40 is driven to rotate so that the second end thereof is gradually embedded into the inner wall of the installation groove 20 for fixation, so as to further fix the installation connection member in the installation groove 20, the water electric line or the ornament to be installed is installed on the connection rod 30, generally, the fixing member 70 is installed on the connection rod 30 first, the fixing member 70 abuts against the wall or the ceiling, the fixing member 70 may be a fastening nut or the like for increasing the installation area of the ornament, the ornament is connected and fixed with the installation connection member through the fixing member 70, the connection rod 30 can increase the bearing strength due to the double fixation of the installation part 60 and the, guarantee that water and electricity circuit or embellishment on the connecting rod 30 can stabilize on wall or ceiling, can realize simultaneously that there is not the drilling of strikeing to fix erection joint spare on installation face 10, avoid appearing the risk of damaging water pipe electric wire or building body reinforcing bar, greatly reduce the production of dust and noise, and its simple structure need not professional installer and installs, reduces construction cost.

In this embodiment, the installed part is preferably integrated into one piece to guarantee structural strength, generally, installation portion 60 can be set up to cuboid or cylinder according to specific demand, in actual use, also can be according to specific demand, be equipped with a plurality of connecting rods 30 and with the cutting member 40 of each connecting rod 30 correspondence on installation portion 60. It should be noted that the cutting element 40 may also be directly welded and fixed on the mounting member, and the cutting element 40 may also be integrally formed with the mounting member, so that when the movable fastening member 50 applies pressure to the cutting element 40, the cutting element 40 can move upwards and be embedded into the inner wall of the mounting groove 20 for fixation.

Further, the connecting rod 30 is perpendicular to the mounting portion 60, the length of the mounting portion 60 is L, the width of the mounting groove is W, it is ensured that the mounting portion 60 can be stably mounted in the mounting groove 20 by setting L > W, during mounting, the mounting portion 60 is placed in the mounting groove 20 in a direction parallel to the mounting groove 20, then the mounting portion 60 is rotated in the horizontal direction, so that two ends of the mounting portion 60 are embedded or abutted against the inner wall of the mounting groove 20 to mount the mounting portion 60 in the mounting groove 20, generally, after the mounting portion 60 is mounted in the mounting groove 20, the mounting groove 20 is filled with backfill materials to increase the firmness of the mounting portion 60 in the mounting groove 20, and common backfill materials include, but are not limited to, fixing glue, concrete and the like.

Further, two cutting pieces 40 are provided to ensure uniform stress and thus stable installation, when the second ends of the two cutting pieces 40 are inclined outwards, the distance between the outermost connecting lines of the two cutting pieces 40 is D1, the width of the mounting groove 20 is W, and 0.5W is more than D1 and less than W, so that in the starting state, the connecting rod 30 and the cutting pieces 40 can be smoothly placed in the mounting groove 20; when the second ends of the two cutters 40 are rotated to be perpendicular to the connecting bar 30, the distance between the outermost ends of the two cutters 40 is D2, the width of the mounting groove 20 is W, and W < D2 < 2W, thereby ensuring that the cutters 40 are well inserted into the inner wall of the mounting groove 20 for fixation when the movable fastener 50 abuts against the mounting portion 60.

In order to ensure that the cutting member 40 is quickly and well inserted into the inner wall of the mounting groove 20 under the pushing of the movable fastening member 50, the cutting edge 401 is disposed at the second end of the cutting member 40, and the cutting member 40 is inserted into the inner wall of the mounting groove 20 more easily through the cutting edge 401. It is preferable that the cutting edge 401 is any one of a straight edge, a slanted edge, or a tooth edge, and further, the cutting edge 401 is provided on an outer end edge of the cutting member 40, which is adjacent to the inner wall of the mounting groove 20, thereby facilitating the insertion of the cutting member 40 into the inner wall of the mounting groove 20.

In this embodiment, the movable fastener 50 is provided with a connecting hole having an internal thread, the connecting rod 30 is provided with an external thread matching the internal thread of the connecting hole, the movable fastener 50 is connected with the connecting rod 30 by a thread, during installation, the movable fastener 50 can be screwed along the thread of the connecting rod 30 by a wrench or other fastening tool to push the cutting element 40 to be embedded into the inner wall of the mounting groove 20 for fixation, it should be noted that the movable fastener 50 can also be fixed with the connecting rod 30 by other means, for example, the locking mechanism can be engaged by providing a sliding mechanism in which the movable fastener 50 slides along the connecting rod 30, or by gradually increasing the inner diameter of the connecting rod 30 in the direction of the mounting portion 60 of the connecting rod 30, the movable fastener 50 being fastened by the connecting rod 30 gradually increasing to achieve an interference fit therebetween, of course, the connection manner of the movable fastener 50 and the connecting rod 30 is not limited to the illustrated example.

Further, the movable fastener 50 includes a connecting section 501 and a fastening section 502 coaxially disposed, the outer diameter of the fastening section 502 is larger than that of the connecting end, the connecting section 501 is used for abutting against the mounting portion 60, and the fastening section 502 can provide a force point for a wrench or other fastening tool to apply pressure to the movable fastener 50 to push the cutter 40 to rotate.

More specifically, in this embodiment, the mounting portion 60 is provided with a first rotating shaft 601 along an axial direction thereof, the mounting portion 60 is provided with two avoiding grooves 604, the two avoiding grooves 604 are respectively located at two sides of the connecting rod 30, first ends of the two cutting members 40 are respectively located in the two avoiding grooves 604 and rotatably connected with the first rotating shaft 601, the two cutting members 40 are respectively located at two sides of the connecting rod 30, when the movable fastening member 50 is screwed in towards the mounting portion 60, the movable fastening member 50 simultaneously applies upward same pressure to the two cutting members 40 at two sides of the connecting rod 30, the two cutting members 40 are pushed to rotate around the first rotating shaft 601 under the action of the pressure, and the second ends of the two cutting members are respectively embedded into the inner wall of the mounting groove 20 for fixation, so as to ensure that the two cutting members 40 can be driven to move upward to be embedded into the inner wall of the mounting groove 20 when the first rotating. The first rotating shaft 601 is preferably disposed perpendicular to the connecting rod 301. Further, the first end of the cutting element 40 is provided with a rotating shaft hole for the first rotating shaft 601 to pass through, when the cutting element 40 is installed, the first rotating shaft 601 passes through the rotating shaft hole, when the cutting element 40 is pushed by the movable fastening element 50, the cutting element 40 can rotate around the first rotating shaft 601, generally, the first end of the cutting element 40 is rotatably connected to the installation part 60 to be suitable for the condition that the depth of the installation groove 20 is small, and the cutting element 40 can be smoothly pushed to be embedded into the inner wall of the installation groove 20 to be fixed under the action of the movable fastening element 50.

Example two:

as shown in fig. 3 to 6, the present embodiment is different from the first embodiment in that the mounting portion 60 is provided with a first rotating shaft 601 passing through along the axial direction thereof, the connecting rod 30 is provided with a through groove 605, the first ends of the two cutting members 40 are disposed in the through groove 605 and rotatably connected to the first rotating shaft 601, the two cutting members 40 are disposed adjacent to each other, the first ends of the two cutting members 40 are disposed in the through groove 605 and rotatably connected to the first rotating shaft 601, respectively, when the movable fastening member 50 is screwed toward the mounting portion 60, the movable fastening member 50 simultaneously applies the same upward pressure to the two cutting members 40, the two cutting members 40 are pushed to rotate around the first rotating shaft 601 under the pressure, and the second ends thereof are respectively inserted into the inner wall of the mounting groove 20 for fixation, so as to ensure that the two cutting members 40 are driven to move upward to be inserted into the inner wall of the mounting groove 20 when the first rotating shaft 601 rotates, the rotary connection of the first end of the cutting member 40 to the connecting rod 30 is adapted to the situation of large depth of the mounting groove 20, and ensures that the cutting member 40 can be smoothly pushed and embedded into the inner wall of the mounting groove 20 for fixing under the action of the movable fastening member 50.

Example three:

as shown in fig. 7 to 9, the present embodiment is different from the first embodiment in that the mounting portion 60 is respectively provided with a second rotating shaft 602 and a third rotating shaft 603 along the axial direction thereof, the first ends of the two cutting members 40 are respectively connected to the second rotating shaft 602 and the third rotating shaft 603, when the movable fastening member 50 applies pressure to the two cutting members 40, the two cutting members 40 respectively rotate around the second rotating shaft 602 and the third rotating shaft 603, so as to avoid mutual influence between the two cutting members 40, preferably, the second rotating shaft 602 and the third rotating shaft 603 are both perpendicular to the connecting rod 30, and the second rotating shaft 602 and the third rotating shaft 603 are symmetrically arranged, so as to ensure that the two cutting members 40 rotate in the same amplitude and are uniformly stressed. To reduce the structural interference, grooves 606 are provided on both sides of the mounting portion 60, respectively, and the first ends of the two cutters 40 are located in the connected grooves 606.

To sum up, the installation and connection member of the embodiment of the present invention, by placing the connecting rod 30 perpendicular to the installation surface 10 and ensuring that the installation portion 60 of the connecting rod 30 is located in the installation groove 20, the movable fastening member 50 is rotated, in the process of screwing the movable fastening member 50 toward the installation portion 60, the movable fastening member 50 simultaneously applies upward pressure to the cutting member 40, under the action of the pressure, the cutting member 40 is pushed to rotate to enable the second end to be gradually embedded into the inner wall of the installation groove 20 for fixation, so as to fix the connecting rod 30 in the installation groove 20, the hydroelectric line or the decoration to be installed is installed on the connecting rod 30, and also can realize non-impact drilling to fix the installation and connection member on the installation surface 10, thereby avoiding the risk of damaging the water pipe electric wire or the floor steel bar, greatly reducing the generation of dust and noise, and having a simple structure, and requiring no, the construction cost is reduced.

It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. A mounting connecting piece is mounted on a mounting surface, wherein the mounting surface is provided with a mounting groove, and the mounting connecting piece is characterized by comprising a mounting piece, a cutting piece and a movable fastening piece, wherein a first end of the cutting piece is rotatably connected to the mounting piece, and a second end of the cutting piece is obliquely arranged outwards; the installed part includes the connecting rod and locates the one end of connecting rod and be used for installing extremely installation department in the mounting groove, movable fastener cover is located on the connecting rod and can follow the connecting rod orientation the installation department precession is in order to promote the second end of cutting piece imbeds gradually extremely the inner wall of mounting groove.

2. The installation coupling of claim 1, wherein said connecting rod is disposed perpendicular to said mounting portion, said mounting portion has a length L, said mounting groove has a width W, and L > W.

3. The mounting coupling of claim 2, wherein there are two of said cutting members, and when said second ends of said two cutting members are inclined outwardly, the distance between the lines of the outermost ends of said two cutting members is D1, 0.5W < D1 < W;

4. A mounting-connection according to claim 3, wherein the second end of the cutting member is provided with a cutting edge.

5. The mounting connector as claimed in claim 4, wherein the cutting edge is any one of a straight edge, a slanted edge or a tooth edge.

6. The mounting connector of claim 4, wherein said cutting edge is provided on an outer end edge of said cutter.

7. The mounting-connecting member as claimed in claim 6, wherein the mounting portion is provided with a first rotating shaft passing through along an axial direction thereof, the mounting portion is provided with two avoiding grooves, the two avoiding grooves are respectively located at two sides of the connecting rod, and first ends of the two cutting members are respectively located in the two avoiding grooves and rotatably connected with the first rotating shaft.

8. The mounting connector according to claim 6, wherein the mounting portion has a first rotating shaft extending along an axial direction thereof, the connecting rod has a through groove, and the first ends of the two cutting members are disposed in the through groove and rotatably connected to the first rotating shaft.

9. The mounting coupling of claim 6, wherein the mounting portion is respectively provided with a second rotating shaft and a third rotating shaft along an axial direction thereof, and the first ends of the two cutting members are respectively connected to the second rotating shaft and the third rotating shaft.

10. The mounting-connecting member as claimed in any one of claims 1 to 9, wherein the movable fastening member is provided with a connecting hole having an internal thread, and the connecting rod is provided with an external thread fitted with the internal thread of the movable fastening member.