CN221044663U

CN221044663U - Corner piece for quick building system

Info

Publication number: CN221044663U
Application number: CN202321706376.5U
Authority: CN
Inventors: 张帅
Original assignee: Individual
Current assignee: Individual
Filing date: 2023-07-03
Publication date: 2024-05-31
Anticipated expiration: 2033-07-03

Abstract

The utility model provides a corner piece for a quick building system, which comprises an upper end cover, a lower end cover and an intermediate section bar, wherein the upper end cover is connected with the lower end cover; the upper end cover and the lower end cover are arranged at two ends of the middle section bar, and at least one first groove is formed in the surfaces of the upper end cover and the lower end cover; one side of the middle section bar is provided with a second groove communicated with the first groove type groove. The utility model has the advantages that: can cyclic utilization, feature of environmental protection is good, the dismouting is swift convenient, the accurate error of installation location is little, can guarantee stand wall outward appearance parallel and level requirement, can form 90 degrees corners through being connected with the building module to through a plurality of corner piece interconnect, adjust the length and the thickness of building the module, use the scene richer.

Description

Corner piece for quick building system

Technical Field

The utility model relates to the technical field of exhibition showing, performance and advertisement structure construction, in particular to a corner piece used in a rapid construction system.

Background

The existing building module components of exhibition stands, stages and advertising tables have the following defects: 1) The frames used for constructing the module members are made of wood, can be used once, cannot be recycled, wastes forest resources and is poor in environmental protection; 2) The connection mode between the module frames is welding or cementing or bolting, so that the connection mode is long in disassembly and assembly time, and wastes a large amount of manpower, material resources and financial resources; 3) The connection mode between the module frames has larger installation error, and finally the building target cannot be reached due to larger accumulated error; 4) To form a complete building system, the prior art needs to assemble a plurality of frames together by using connecting pieces, then install the outer cover decorative plate on the frames, and the outer cover decorative plate is required to be detached firstly, and then the connected frames are detached, so that the time consumption for detachment is long, and the building efficiency is low.

In this regard, chinese patent [ CN209099826U ] provides a corner building module and a building system, a corner section bar, the corner section bar has at least two recesses and cavities that extend along corner section bar length direction, the plane that the tank bottoms of two adjacent recesses are in is greater than 0 degree and is less than 180 degrees contained angle, recess or cavity are equipped with the connecting piece that is used for the corner to build the module and is connected with adjacent building module. The utility model also discloses a building system which comprises a corner building module and a standard building module. The utility model has the advantages that: the novel wall surface and top surface of the exhibition stand can be recycled, and the novel wall surface and top surface of the exhibition stand are good in environment friendliness, convenient and quick to assemble and disassemble, small in installation and positioning errors, simple to manufacture, high in construction efficiency and good in continuity and attractiveness. Analysis of the patent shows that in order to realize turning of the wall surface or connecting more component modules, the structure of the corner section bar needs to be continuously adjusted, in the process, a great deal of labor force is required by a designer, and the production cost is increased because the independent mold opening production is required for producing the corner section bar.

Thus, there is a need for a new corner fitting for wall surface turning.

Disclosure of utility model

In order to solve the problems, the utility model is realized as follows:

A corner piece for a quick building system, comprising an upper end cover, a lower end cover and an intermediate section bar;

the upper end cover and the lower end cover are arranged at two ends of the middle section bar;

The surfaces of the upper end cover and the lower end cover are at least provided with a first groove;

And one side of the middle section bar is provided with a second groove for connecting the clamping cloth.

Preferably, at least one of the positioning fixing pin, the positioning plug member and the positioning plug member is mounted on the intermediate profile.

Preferably, at least one of a first section bar supporting piece and a positioning and fixing pin locking piece is arranged in the middle section bar;

the first section bar supporting piece is used for installing the positioning bolt piece and the positioning bolt receiving piece;

the positioning fixing pin locking piece is provided with a first hole and a second hole which are communicated with each other and used for connecting a positioning fixing pin of the building module;

The first holes are round holes, and the second holes are strip holes extending along the circumferential direction of the cross section circular ring of the fixed pin locking piece.

Preferably, the upper end cover is in interference fit with the lower end cover and the intermediate profile.

Preferably, the upper end cover and the lower end cover are both provided with first through holes;

the first through hole is communicated with the intermediate section bar.

Preferably, the surface of the intermediate profile is provided with at least two adjacent or opposite third grooves;

The third groove is provided with a first mounting hole, a second mounting hole, a third mounting hole and a second through hole;

the positioning bolt-holding piece is arranged in the third groove through the first mounting hole;

the positioning bolt piece is arranged in the third groove adjacent to or opposite to the positioning bolt piece through the other first mounting hole;

The second through holes Kong Kaishe are formed at two ends of the middle section bar in a surrounding mode, and second mounting holes are formed in the second through holes in a surrounding mode;

the third mounting hole is used for mounting the positioning fixing pin.

Preferably, the bottoms of the upper end cover and the lower end cover are respectively provided with a boss and a connecting block;

the connecting blocks are arranged at four corners of the upper end cover and the lower end cover;

The boss is provided with at least two sides and the corresponding connecting hole of second through hole and the corresponding fourth mounting hole of second mounting hole, and the bolt passes second mounting hole, connecting hole and fourth mounting hole and installs upper end cover and lower end cover and fix the tip at middle section bar.

Preferably, the middle section is further provided with a positioning lock and a positioning locking stator;

The positioning lock comprises an extensible and retractable lock bolt, a lock bolt accommodating hollow tube and a spring;

The lock bolt comprises a lock bolt rod and a positioning lock bolt head;

The lock bolt rod is sleeved on the spring and is arranged in the cavity of the lock bolt accommodating hollow tube;

One end of the lock bolt rod is connected with the positioning lock bolt head, and the other end of the lock bolt rod is fixed with a pressing plate;

the inner wall of the lock plunger accommodating hollow tube is provided with a pressing part for pressing the spring;

the spring is propped between the pressing plate and the propping part;

The lock bolt rod is provided with a pull rod at a position close to the positioning lock bolt head;

A first rod clamping groove and a second rod clamping groove which extend along the length direction of the lock plunger accommodating hollow pipe are formed in one end, close to the positioning lock plunger head, of the lock plunger accommodating hollow pipe;

The depth of the first rod clamping groove is larger than that of the second rod clamping groove;

The pull rod is positioned in the first rod clamping groove when the positioning lock bolt head is propped against the end part of the lock bolt accommodating hollow tube, and the pull rod is positioned in the second rod clamping groove when the positioning lock bolt head is inserted into the second through hole;

the positioning locking stator is provided with a through cavity;

the positioning lock bolt head is nested in the through cavity;

the through cavity corresponds to the second through hole;

And a bolt penetrates through the second mounting hole to connect the positioning locking fixing piece and the middle section bar.

When the middle section bar is internally provided with a positioning and fixing pin locking piece, the middle section bar also comprises a second section bar supporting piece;

The positioning fixing pin locking piece passes through the second section bar supporting piece and is clamped in the first through hole.

Preferably, at least one end of the fixed latch has a jaw portion for driving the fixed latch to rotate.

Preferably, the fixing pin lock piece is internally fixedly provided with an in-shaft nylon piece.

Preferably, the positioning bolt piece comprises a disc-shaped bolt head, a cylindrical plug-in bolt rod, a fixed bolt rod and a positioning mounting plate;

One end of the plug-in bolt rod is connected with the disc-shaped bolt head, and the other end of the plug-in bolt rod is connected with the fixed bolt rod;

the positioning mounting plate is attached to the middle section bar;

A plurality of first jacks are formed in the positioning mounting plate;

The fixed bolt rod sequentially passes through one first jack and one first mounting hole and then is connected with the first supporting piece, and the bolt sequentially passes through the other first jacks and the first mounting holes and then is connected with the first supporting piece;

The positioning bolt-holding piece comprises a second jack for inserting the bolt head part and a third jack for inserting the bolt rod part;

The third jack has an opening sized to not allow the bolt head to pass therethrough;

The positioning plug-holding piece is a hollow pipe fitting, and the second jack is a pipe cavity of the hollow pipe fitting;

The third jack is a strip-shaped hole which is arranged on the pipe wall of the hollow pipe fitting and longitudinally extends along the hollow pipe fitting;

One end of the third jack extends to the end part of the hollow pipe fitting;

The positioning bolt-holding piece is attached to the middle section bar;

a fourth jack is formed in the positioning bolt-accommodating piece;

The bolts sequentially penetrate through the first mounting holes, the fourth insertion holes and the middle section bar and then are connected with the first supporting piece.

Preferably, the positioning fixing pin comprises a post head, a post portion and a mounting post;

the post part comprises a small-diameter post and a large-diameter post which are connected;

One end of the small-diameter pole is connected with the column head part, and the other end of the small-diameter pole is connected with the large-diameter pole;

The diameter of the small-diameter post rod is smaller than that of the spherical column head, one end of the large-diameter post rod is connected with the small-diameter post rod, and the other end of the large-diameter post rod is detachably arranged on the third mounting hole;

the mounting post is connected with the third mounting hole.

Preferably, the upper end cover and the lower end cover are square with equal size, and the side lengths of the upper end cover and the lower end cover are 59 mm-65 mm.

Compared with the prior art, the utility model has the beneficial effects that:

1) The corner piece, the positioning fixing pin locking piece, the positioning bolt containing piece and the positioning lock in the quick building module are preferably made of metal, all the components can be recycled, the waste of forest resources is avoided, and the environment friendliness is good.

2) As the corner piece and the building module are connected by only inserting the positioning fixing pin into the positioning fixing pin lock piece and rotating the positioning fixing pin lock piece, or the corner piece and the building module are connected by only inserting the positioning bolt piece into the positioning bolt containing piece in one mounting step, or adding the positioning lock into the lock hole to form two mounting steps, compared with the traditional bolting and welding, the connecting and disassembling are very convenient and quick, and the manpower, material resources and financial resources are greatly saved.

3) The corner piece is a standard piece, the customization period is greatly shortened, and the economic cost is greatly reduced.

4) Accurate installation and positioning can be realized between the corner fitting and the building module and between two adjacent corner fittings, and connection and installation errors are greatly reduced.

5) When the corner piece is combined with the building module, the positioning fixing pin, the positioning bolt piece, the positioning bolt containing piece and the positioning lock are hidden in the space formed by the opposite grooves of the corner section bar and the section bar of the building module, and the connecting pieces cannot be seen from the outside, so that the integral attractiveness of the corner piece and the building module is good.

6) The corner piece is simple to manufacture, and the manufacturing cost is greatly reduced due to the modularized design.

7) By arranging the corner piece, the butt joint between the modeling blocks of different direction marks and between the building blocks and the corner piece on the section bar can be realized very quickly and accurately, and the continuity and the attractiveness of the wall surface and the top surface of the exhibition stand are greatly improved.

8) The corner piece can form a right-angle turn, and the length and the thickness of the building module are adjusted through the connection between the corner piece and the corner piece, so that the use scene is richer.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only one embodiment of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic diagram of an exploded structure according to one embodiment of the present utility model;

FIG. 3 is a schematic side view of an embodiment of the present utility model;

FIG. 4 is a schematic view of the structure of an upper end cap according to an embodiment of the present utility model;

FIG. 5 is a schematic view of the structure of the lock according to the present utility model;

FIG. 6 is a schematic view of a positioning locking tab;

FIG. 7 is a schematic view of the structure of the positioning pin;

FIG. 8 is a schematic view of a positioning plug;

FIG. 9 is a schematic view of the structure of the positioning mounting plate;

FIG. 10 is a schematic view of a positioning pin in combination with a positioning receptacle;

Figure 11 is a schematic view of the connection of the corner fitting to the building module according to example 1;

FIG. 12 is a schematic view showing the structure of the corner fitting of embodiment 2;

FIG. 13 is a schematic view of the structure of the positioning fixing pin;

FIG. 14 is a schematic view of the structure of the dowel lock;

FIG. 15 is a schematic view of the structure of an in-shaft nylon member;

fig. 16 is a schematic structural view of a locating and fixing pin lock with a second section bar support attached;

FIG. 17 is a schematic view of the stop collar;

FIG. 18 is a schematic view of the attachment of a fixed dowel pin to a dowel pin lock;

fig. 19 is a schematic structural view of the corner piece in embodiment 3;

Figure 20 is a schematic view of the connection of the corner fitting to the building module of example 3;

fig. 21 is a schematic structural view of embodiment 4;

figure 22 is a schematic view of the connection of the corner fitting to the building module according to example 4.

In the above drawings, each reference numeral indicates:

1. Upper end cover

1-1, Connecting block

1-2, Boss

1-2-1, Fourth mounting hole

1-3, A first through hole

1-4, First groove

2. Intermediate section bar

2-1, Positioning and fixing pin lock

2-1-1, First hole

2-1-2, Second hole

2-1-3, Jaw portion

2-1-4, In-shaft nylon piece

2-1-5, Spacing ring

2-1-6, Limit clamping groove

2-1-7, First limit bolt

2-1-8, Second section bar support

2-1-8-1, A second limit bolt 2-1-8-2, a third limit bolt 2-2 and a positioning fixing pin

2-2-1, Column head

2-2-2, Pole section

2-2-2-1, Small diameter struts

2-2-2, Large diameter post 2-2-3, mounting post 2-3, locating peg

2-3-1, Plug head

2-3-2, Bolt portion

2-3-3, Positioning mounting plate

2-3-3-1, A first jack 2-4, a positioning plug-receiving member

2-4-1, Second jack

2-4-2, Third jack

2-4-3, Fourth jack

2-5, Second groove

2-6, Third groove

2-6-1, First mounting hole

2-6-2, Second mounting hole

2-6-3, Third mounting hole

2-6-4, Second through hole

2-7, Positioning and locking stator

2-7-1, Through cavity

2-8, First section bar support

2-9, Positioning lock

2-9-1, Lock bolt

2-9-1-1, Latch lever

2-9-1-2, Positioning the bolt head

2-9-1-3, Pressing plate

2-9-1-4, Pull rod

2-9-2, Lock bolt containing hollow tube

2-9-2-1, First rod clamping groove

2-9-2-2, Second rod clamping groove

2-9-3, Spring

3. Lower end cover

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

In a specific embodiment 1, as shown in fig. 1 and 2, a corner piece for a quick-building system includes an upper end cap 1, a lower end cap 3, and an intermediate section 2, wherein the upper end cap 1 and the lower end cap 3 are mounted at both ends of the intermediate section 2, surfaces of the upper end cap 1 and the lower end cap 3 are provided with a first groove 1-42-5, one side of the intermediate section 2 is provided with a second groove 2-5 for connecting a card cloth, and in this embodiment, the heights of the upper end cap 1 and the lower end cap 3 are 62mm, so that in this embodiment, the first grooves 1-42-5 are U-shaped grooves.

The upper end cover 1 is in interference fit with the lower end cover 3 and the middle section bar 2, the upper end cover 1 and the lower end cover 3 are respectively provided with a first through hole 1-3, and the first through holes 1-3 are communicated with the middle section bar 2. As shown in fig. 4, bosses 1-2 and connection blocks 1-1 are provided at the bottoms of the upper and lower end caps 1 and 3, wherein the connection blocks 1-1 are provided at four corners of the upper and lower end caps 1 and 3. The boss 1-2 is arranged in an octagonal shape, and the first through hole 1-3 is positioned in the boss 1-2. Wherein, the four sides of the boss 1-2 are provided with connecting holes corresponding to the second through holes 2-6-4, a fourth mounting hole 1-2-1 corresponding to the second mounting hole 2-6-2, and bolts pass through the second mounting hole 2-6-2 and the fourth mounting hole 1-2-1 to mount and fix the upper end cover 1 and the lower end cover 3 at the end part of the middle section bar 2.

The locating pegs 2-4 are mounted on one side of the intermediate profile 2 and the locating pegs 2-3 are mounted on the adjacent or opposite side of the locating pegs 2-4, in this embodiment the locating pegs 2-3 are mounted on the adjacent side of the locating pegs 2-4.

In this embodiment 1, only the first profile support 2-8 is provided in the intermediate profile 2, the first profile support 2-8 being used for mounting the locating pegs 2-3 and the locating pegs 2-4.

As shown in fig. 3, the surface of the intermediate profile 2 is provided with at least two adjacent or opposite third grooves 2-6, in this embodiment four third grooves 2-6.

The third groove 2-6 is provided with a first mounting hole 2-6-1, a second mounting hole 2-6-2, a third mounting hole 2-6-3 and a second through hole 2-6-4, the positioning bolt-holding piece 2-4 is arranged in the third groove 2-6 through the first mounting hole 2-6-1, the positioning bolt piece 2-3 is arranged in the third groove 2-6 adjacent to or opposite to the positioning bolt-holding piece 2-4 through the other first mounting hole 2-6-1, the second through hole 2-6-4 is arranged at two ends of the intermediate section bar 2, and the second through hole 2-6-4 is circumferentially provided with the second mounting hole 2-6-2; the third mounting hole 2-6-3 is used for mounting the positioning fixing pin 2-2.

As shown in fig. 5, the intermediate profile 2 further comprises a positioning lock 2-9, in this embodiment, the positioning lock 2-9 adopts the positioning lock 2-9 in patent [ CN209099826U ], and comprises an extendable and retractable lock bolt 2-9-1, a lock bolt accommodating hollow tube 2-9-2 and a spring 2-9-3, the lock bolt 2-9-1 comprises a lock bolt rod 2-9-1-1 and a positioning lock bolt head 2-9-1-2, the lock bolt rod 2-9-1-1 is sleeved on the spring 2-9-3 and is installed in a tube cavity of the lock bolt accommodating hollow tube 2-9-2, one end of the lock bolt rod 2-9-1-1 is connected with the positioning lock bolt head 2-9-1-2, the other end is fixed with a pressing plate 2-9-1-3, the inner wall of the lock bolt accommodating hollow tube 2-9-2 is provided with a pressing part (not marked in the figure) for pressing the spring 2-9-3, the spring 2-9-3 is pressed between the pressing plate 2-9-1-3 and the pressing part, the lock bolt rod 2-9-1-1 is provided with a pull rod 2-9-1-4 at a position close to the positioning lock bolt head 2-9-1-2, one end of the lock bolt accommodating hollow tube 2-9-2 close to the positioning lock bolt head 2-9-1-2 is provided with a first rod clamping groove 2-9-2-1 and a second rod clamping groove 2-9-2-2 which extend along the length direction of the lock bolt accommodating hollow tube 2-9-2, the depth of the first rod clamping groove 2-9-2-1 is larger than that of the second rod clamping groove 2-9-2-2, when the positioning lock bolt head 2-9-1-2 is propped against the end part of the lock bolt accommodating hollow tube 2-9-2, the pull rod 2-9-1-4 is positioned in the first rod clamping groove 2-9-2-1, when the positioning lock bolt head 2-9-1-2 is inserted into the second mounting hole 2-6-2 and the fourth mounting hole 1-2-1, the pull rod 2-9-1-4 is positioned in the second rod clamping groove 2-9-2-2, and part of the pull rod 2-9-1-4 is positioned in the first through hole 1-3 and is flush with the upper end cover 1 or the lower end cover 3, and a user can stir the pull rod 2-9-1-4 to realize connection of the corner piece and the building module.

As shown in fig. 6, the middle section bar 2 is further provided with a positioning locking piece 2-7, the positioning locking piece 2-7 is provided with a through cavity 2-7-1, the positioning lock bolt head 2-9-1-2 is nested in the through cavity 2-7-1, the through cavity 2-7-1 corresponds to the second through hole 2-6-4 and the connecting hole, the positioning locking piece 2-7 is attached to the end part of the middle section bar 2 and is connected through a bolt, and at the moment, the bolt passes through the second mounting hole 2-6-2 and the fourth mounting hole 1-2-1 to connect the positioning locking piece 2-7, the middle section bar 2 and the upper end cover 1 or the lower end cover 3.

As shown in FIG. 7, the positioning bolt member 2-3 comprises a disc-shaped bolt head, a cylindrical plug-in bolt rod, a fixed bolt rod and a positioning mounting plate 2-3-3, one end of the plug-in bolt rod is connected with the disc-shaped bolt head, the other end of the plug-in bolt rod is connected with the fixed bolt rod, the positioning mounting plate 2-3-3 is attached to the middle section bar 2, as shown in FIG. 9, 2 first insertion holes 2-3-3-1 are formed in the positioning mounting plate 2-3-3, the fixed bolt rod sequentially penetrates through the first insertion holes 2-3-3-1 and the first mounting holes 2-6-1 and then is connected with the first supporting member, and bolts sequentially penetrate through the other first insertion holes 2-3-3-1 and the first mounting holes 2-6-1 and then are connected with the first supporting member.

As shown in fig. 8, the positioning bolt-holding member 2-4 includes a second insertion hole 2-4-1 into which the bolt head 2-3-1 is inserted and a third insertion hole 2-4-2 into which the bolt rod 2-3-2 is inserted, the size of the opening of the third insertion hole 2-4-2 does not allow the bolt head 2-3-1 to pass through, the positioning bolt-holding member 2-4 is a hollow pipe, the second insertion hole 2-4-1 is a pipe cavity of the hollow pipe, the third insertion hole 2-4-2 is a strip-shaped hole which is opened on the pipe wall of the hollow pipe and extends longitudinally along the hollow pipe, one end of the third insertion hole 2-4-2 extends to the end of the hollow pipe, the positioning bolt-holding member 2-4 is attached to the middle section bar 2, the positioning bolt-holding member 2-4 is provided with a fourth insertion hole 2-4-3, and bolts sequentially pass through the first installation hole 2-6-1 and the fourth insertion hole 2-4-3 and are fixedly connected with the first support member.

When the corner piece in this embodiment is used to connect with the building module, the corner piece and one building module are first staggered by a certain distance in the direction of inserting the positioning bolt piece 2-3 into the positioning bolt receiving piece 2-4, then one side of the corner piece is abutted against one side of one building module component, then the positioning bolt piece 2-3 is inserted into the positioning bolt receiving piece 2-4, as shown in fig. 10, and connection of the corner piece and the building module component is completed, in this embodiment 1, when the corner piece is used to turn a wall surface, another building module component is connected by adopting the same method, a 90-degree corner can be formed as shown in fig. 11, and it is to be noted that in this embodiment 1, the positioning bolt piece 2-3 is installed on the side adjacent to or opposite to the positioning bolt receiving piece 2-4, so when the positioning bolt piece 2-3 is installed on the opposite side of the positioning bolt receiving piece 2-4, the corner piece can also lengthen the length of the module, and can also lengthen the length of the module by using the corner piece to connect with the corner piece, in this embodiment 1, the first groove 1-5 side by side, and the two side grooves can be aligned with the positioning groove.

After the corner piece is connected with the building module, the pull rod 2-9-1-4 of the positioning lock 2-9 is pulled out from the first rod clamping groove 2-9-2-1 and rotates around the tube shaft of the lock bolt accommodating hollow tube 2-9-2 by a certain angle, so that the pull rod 2-9-1-4 is clamped into the second rod clamping groove 2-9-2-2, at the moment, the positioning lock bolt head 2-9-1-2 is inserted into the second mounting hole 2-6-2, and the positioning lock bolt head 2-9-1-2 is just allowed to be inserted into the second mounting hole 2-6-2 by the size of the second mounting hole 2-6-2, but the positioning lock bolt head 2-9-1-2 is not allowed to move in the second mounting hole 2-6-2, thereby realizing accurate mounting and positioning of the corner piece and the building module component in the insertion direction of the positioning lock bolt 2-3 into the positioning lock bolt 2-4, reducing the error of connection and installation, and the connection and installation process substantially only needs to be inserted into the positioning lock bolt 2-4, and the positioning lock 2-9 to be inserted into the locking hole. After the installation is finished, the user can select to cover the whole by using the soft decoration fabric, the whole is more attractive by installing and embedding the soft decoration in the second groove 2-5, the internal materials are not exposed after the product is assembled, and the integrity of the product is improved.

The disassembly process is opposite to the installation process, the pull rod 2-9-1-4 is pulled out of the second rod clamping groove 2-9-2-2 and rotates around the tube shaft of the lock bolt accommodating hollow tube 2-9-2 by a certain angle, the pull rod 2-9-1-4 is clamped into the second rod clamping groove 2-9-2-2 under the action of the restoring force of the spring 2-9-3, the positioning lock bolt head 2-9-1-2 is pulled out of the second installation hole 2-6-2 at the moment, then the corner piece and the building module component are staggered with each other along the direction of inserting the positioning bolt piece 2-3 into the positioning bolt accommodating piece 2-4, and the positioning bolt piece 2-3 is separated from the positioning bolt accommodating piece 2-4, so that the separation of the corner piece and the building module component is completed.

Example 2

In a specific embodiment 2, as shown in fig. 12, a corner piece for a quick construction system includes an upper end cap 1, a lower end cap 3, and an intermediate section 2, wherein the upper end cap 1 and the lower end cap 3 are mounted at both ends of the intermediate section 2, surfaces of the upper end cap 1 and the lower end cap 3 are provided with a first groove 1-42-5, and one side of the intermediate section 2 is provided with a second groove 2-5 communicating with the first groove 1-42-5.

The upper end cover 1 is in interference fit with the lower end cover 3 and the middle section bar 2, the upper end cover 1 and the lower end cover 3 are respectively provided with a first through hole 1-3, and the first through holes 1-3 are communicated with the middle section bar 2.

As shown in fig. 16, the middle section bar 2 is provided therein with a positioning fixing pin lock 2-1, a first section bar support 2-8 and a second section bar support 2-1-8, and in this embodiment, the positioning fixing pin lock 2-1 is a hollow tube with a cylindrical cross section.

As shown in FIG. 13, the positioning fixing pin 2-2 comprises a column head 2-2-1, a column part 2-2-2 and a mounting column 2-2-3, the column part 2-2 comprises a small-diameter column 2-2-2-1 and a large-diameter column 2-2-2 which are connected, one end of the small-diameter column 2-2-1 is connected with the column head 2-2-1, the other end is connected with the large-diameter column 2-2-2, the diameter of the small-diameter column 2-2-2-1 is smaller than that of a spherical column head, one end of the large-diameter column 2-2-2 is connected with the small-diameter column 2-2-1, and the other end of the large-diameter column 2-2 is detachably mounted on the third mounting hole 2-6-3. In this embodiment, the column head 2-2-1 is a spherical column head 2-2-1, the mounting post 2-2-3 is connected to the third mounting space, and the positioning fixing pin is mounted on the intermediate section through the connection between the mounting post 2-2-3 and the third mounting hole 2-6-3.

As shown in fig. 14, the positioning and fixing pin lock 2-1 is provided with a first hole 2-1-1 and a second hole 2-1-2 which are communicated with each other, the first hole 2-1-1 is a circular hole, the second hole 2-1-2 is a strip hole extending along the circumferential direction of the cross section circular ring of the fixing pin lock, the size of the opening of the first hole 2-1-1 allows the pillar head 2-2-1 to pass through the first hole 2-1-1, and the size of the opening of the second hole 2-1-2 does not allow the pillar head 2-2-1 to pass through the second hole 2-1-2 but allows the pillar head 2-2-2 to pass through the second hole 2-1-2.

The positioning and fixing pin lock piece 2-1 passes through the first section bar support piece 2-8 and the second section bar support piece 2-1-8 and is clamped in the first through hole 1-3, and at least one end of the fixing pin lock piece is provided with a clamping claw part 2-1-3 for driving the hollow tube to rotate 90 degrees around the tube axis.

The fixing pin lock piece is internally and fixedly provided with an in-shaft nylon piece 2-1-4, as shown in fig. 15, one side of the in-shaft nylon piece 2-1-4 is provided with a strip-shaped groove for a small-diameter pole 2-2-2-1 to enter, the surface of the in-shaft nylon piece 2-1-4 facing the circular hollow pipe shaft is provided with a groove which can form friction with the spherical pole head 2-2-1, the surface of the in-shaft nylon piece 2-1-4 facing away from the circular hollow pipe shaft is provided with an arc surface shape which is matched with the inner wall of the circular hollow pipe, and in order to facilitate the installation of the positioning fixing pin 2-2, the large-diameter pole 2-2-2 is provided with a groove which is convenient for the clamping of a tool. In addition, the positioning and fixing pin lock 2-1 further comprises a limiting ring 2-1-5, as shown in fig. 17, the limiting ring 2-1-5 is fixedly connected with the second section support 2-1-8, a limiting clamping groove 2-1-6 extending along the circumferential direction of the cross section of the circular hollow pipe is formed in the outer surface of the circular hollow pipe, the inner circumferential part of the limiting ring 2-1-5 is inserted into the limiting clamping groove 2-1-6, and the outer circumferential part of the limiting ring 2-1-5 extends out of the limiting clamping groove 2-1-6 and abuts against the second section support 2-1-8. The circular hollow tube can thereby be prevented from moving in its tube axis direction relative to the first profile support 2-8. In addition, a first limit bolt 2-1-7 is fixed on the positioning and fixing pin lock 2-1, a second limit bolt 2-1-8-1 and a third limit bolt 2-1-8-2 are fixed on the second section support 2-1-8, when the positioning and fixing pin lock 2-1 rotates clockwise around the pipe shaft by a certain angle, the first limit bolt 2-1-7 abuts against the second limit bolt 2-1-8-1 to prevent the circular hollow pipe from continuously rotating clockwise, and when the positioning and fixing pin lock 2-1 rotates anticlockwise around the pipe shaft by a certain angle, the first limit bolt 2-1-7 abuts against the third limit bolt 2-1-8-2 to prevent the positioning and fixing pin lock 2-1 from continuously rotating anticlockwise. This ensures that the fixing pin lock 2-1 rotates in place without excessive rotation and prevents the fixing pin lock 2-1 from slipping out of the second through hole 2-6-4.

The positioning bolt-holding piece 2-4 is arranged on one side of the middle section bar 2, and the positioning bolt piece 2-3 is arranged on the adjacent or opposite side of the positioning bolt-holding piece 2-4.

The surface of the intermediate section bar 2 is provided with two adjacent or opposite third grooves 2-6, the third grooves 2-6 are provided with first mounting holes 2-6-1, second mounting holes 2-6-2, third mounting holes 2-6-3 and second through holes 2-6-4, the positioning bolt-holding piece 2-4 is arranged in the third grooves 2-6 through one first mounting hole 2-6-1, the positioning bolt piece 2-3 is arranged in the adjacent or opposite third grooves 2-6 of the positioning bolt-holding piece 2-4 through the other first mounting hole 2-6-1, the second through holes 2-6-4 are formed at two ends of the intermediate section bar 2, the second through holes 2-6-4 are circumferentially provided with the second mounting holes 2-6-2, the third mounting holes 2-6-3 are used for mounting the positioning fixing pins 2-2, and in the embodiment, the positioning fixing pins 2-2 are all arranged on the intermediate section bar 2.

When the corner piece in the embodiment 2 is used for installing the building module, the positioning fixing pin 2-2 in the corner piece is aligned with the third installation hole 2-6-3 of the building module, the positioning fixing pin 2-2 is inserted into the third installation hole 2-6-3 of the building module, the positioning fixing pin 2-2 is connected with the positioning fixing pin lock piece 2-1 in the building module, the spherical column head 2-2-1 enters the first hole 2-1-1 on the circular hollow tube, a part of the small-diameter column rod 2-2-2-1 also enters the first hole 2-1-1, the large-diameter column rod 2-2-2-2 does not enter the first hole 2-1-1, at the moment, a special tool (not shown in the drawing) is inserted into the clamping claw 2-1-3, the special tool is clamped with the clamping claw 2-1-3, the circular hollow tube is rotated by 90 degrees around the tube shaft, the small-diameter column head 2-2-2-1 enters the second hole 2-1, the spherical column rod 2-2-2-1 cannot be tightly contacted with the spherical column head 2-1 in the direction shown in the figure, and the spherical column head 2-1 cannot be tightly contacted with the circular column head 2-1 in the direction, and the hollow column rod 2-1 cannot be prevented from being pulled out of the circular column head 2-1. When the building module is separated from the corner piece, the building module component can be separated from the corner piece by the reverse operation, and the operation is simple. Conversely, the positioning fixing pin 2-2 can be detached, the positioning fixing pin 2-2 in the building module is connected with the positioning fixing pin lock piece 2-1 in the corner piece, and the installation and the detachment can be realized by adopting the same method.

In the embodiment 2, the positioning fixing pin 2-2 is also detachable, and the positioning bolt piece 2-3 and the positioning bolt receiving piece 2-4 are used for connecting with the building module, so that the use method is various.

Example 3

In a specific embodiment 3, as shown in fig. 19, a corner piece for a quick building system includes an upper end cap 1, a lower end cap 3, and an intermediate section 2, wherein the upper end cap 1 and the lower end cap 3 are installed at both ends of the intermediate section 2, 2 first grooves 1-42-5 are provided on surfaces of the upper end cap 1 and the lower end cap 3, and a second groove 2-5 communicating with the first grooves 1-42-5 is provided on one side of the intermediate section 2.

The positioning bolt-holding piece 2-4 is arranged on one side of the middle section bar 2; the locating pegs 2-3 are mounted on adjacent or opposite sides of the locating pegs 2-4.

In this embodiment 3, only the first profile support 2-8 is provided in the intermediate profile 2, the first profile support 2-8 being used for mounting the locating pegs 2-3 and the locating pegs 2-4.

The surface of the middle section bar 2 is provided with two adjacent or opposite third grooves 2-6, the third grooves 2-6 are provided with first mounting holes 2-6-1, second mounting holes 2-6-2, third mounting holes 2-6-3 and second through holes 2-6-4, the positioning bolt-holding piece 2-4 is arranged in the third grooves 2-6 through one first mounting hole 2-6-1, the positioning bolt piece 2-3 is arranged in the adjacent or opposite third grooves 2-6 of the positioning bolt-holding piece 2-4 through the other first mounting hole 2-6-1, the second through holes 2-6-4 are arranged at two ends of the middle section bar 2, and the second through holes 2-6-4 are circumferentially provided with the second mounting holes 2-6-2; the third mounting hole 2-6-3 is used for mounting the positioning fixing pin 2-2.

The intermediate section bar 2 also comprises a positioning lock 2-9, the positioning lock 2-9 comprises an extensible and retractable lock bolt 2-9-1, a lock bolt accommodating hollow tube 2-9-2 and a spring 2-9-3, the lock bolt 2-9-1 comprises a lock bolt rod 2-9-1-1 and a positioning lock bolt head 2-9-1-2, the lock bolt rod 2-9-1-1 is sleeved on the spring 2-9-3 and is arranged in a tube cavity of the lock bolt accommodating hollow tube 2-9-2, one end of the lock bolt rod 2-9-1-1 is connected with the positioning lock bolt head 2-9-1-2, the other end is fixed with a pressing plate 2-9-1-3, the inner wall of the lock bolt accommodating hollow tube 2-9-2 is provided with a pressing part for pressing the spring 2-9-3, the spring 2-9-3 is pressed between the pressing plate 2-9-1-3 and the pressing part, the lock bolt rod 2-9-1-1 is provided with a pull rod 2-9-1-4 at a position close to the positioning lock bolt head 2-9-1-2, one end of the lock bolt accommodating hollow tube 2-9-2 close to the positioning lock bolt head 2-9-1-2 is provided with a first rod clamping groove 2-9-2-1 and a second rod clamping groove 2-9-2-2 which extend along the length direction of the lock bolt accommodating hollow tube 2-9-2, the depth of the first rod clamping groove 2-9-2-1 is larger than that of the second rod clamping groove 2-9-2-2, when the positioning lock bolt head 2-9-1-2 is propped against the end part of the lock bolt accommodating hollow tube 2-9-2, the pull rod 2-9-1-4 is positioned in the first rod clamping groove 2-9-2-1, when the positioning lock bolt head 2-9-1-2 is inserted into the second mounting hole 2-6-2, the pull rod 2-9-1-4 is positioned in the second rod clamping groove 2-9-2-2, and part of the pull rod 2-9-1-4 is positioned in the first through hole 1-3 and is flush with the upper end cover 1 or the lower end cover 3, and a user can stir the pull rod 2-9-1-4 to realize connection of the corner fitting and the building module.

The middle section bar 2 is also provided with a positioning locking stator 2-7, the positioning locking stator 2-7 is provided with a through cavity 2-7-1, the positioning lock bolt head 2-9-1-2 is nested in the through cavity 2-7-1, the through cavity 2-7-1 corresponds to the second through hole 2-6-4, the positioning locking stator 2-7 is attached to the end part of the middle section bar 2, and a bolt penetrates through the second mounting hole 2-6-2 to connect the positioning locking stator 2-7 with the middle section bar 2.

The positioning bolt piece 2-3 comprises a disc-shaped bolt head, a cylindrical plug-in bolt rod, a fixing bolt rod and a positioning mounting plate 2-3-3, one end of the plug-in bolt rod is connected with the disc-shaped bolt head, the other end of the plug-in bolt rod is connected with the fixing bolt rod, the positioning mounting plate 2-3-3 is attached to the middle section bar 2, 2 first insertion holes 2-3-3-1 are formed in the positioning mounting plate 2-3-3, the fixing bolt rod sequentially penetrates through the first insertion holes 2-3-3-1 and the first mounting holes 2-6-1 and then is connected with the first supporting piece, and bolts sequentially penetrate through the other first insertion holes 2-3-3-1 and the first mounting holes 2-6-1 and then are connected with the first supporting piece.

The positioning bolt-holding piece 2-4 comprises a second insertion hole 2-4-1 for inserting the bolt head 2-3-1 and a third insertion hole 2-4-2 for inserting the bolt rod 2-3-2, the size of the opening of the third insertion hole 2-4-2 does not allow the bolt head 2-3-1 to pass through, the positioning bolt-holding piece 2-4 is a hollow pipe, the second insertion hole 2-4-1 is a pipe cavity of the hollow pipe, the third insertion hole 2-4-2 is a strip-shaped hole which is formed in the pipe wall of the hollow pipe and extends longitudinally along the hollow pipe, one end of the third insertion hole 2-4-2 extends to the end part of the hollow pipe, the positioning bolt-holding piece 2-4 is attached to the middle section bar 2, the positioning bolt-holding piece 2-4 is provided with a fourth insertion hole 2-4-3, and bolts sequentially penetrate through the first installation hole 2-6-1 and the fourth insertion hole 2-4-3 and are fixedly connected with the first support piece.

When the corner piece in this embodiment is used to connect with the building module, the corner piece and one building module are first staggered by a certain distance in the direction of inserting the positioning bolt piece 2-3 into the positioning bolt piece 2-4, then one side of the corner piece is abutted against one side of one building module component, then the positioning bolt piece 2-3 is inserted into the positioning bolt piece 2-4, and connection of the corner piece and the building module component is completed.

After the corner piece is connected with the building module, the pull rod 2-9-1-4 of the positioning lock 2-9 is pulled out from the first rod clamping groove 2-9-2-1 and rotates around the tube shaft of the lock bolt accommodating hollow tube 2-9-2 by a certain angle, so that the pull rod 2-9-1-4 is clamped into the second rod clamping groove 2-9-2-2, at the moment, the positioning lock bolt head 2-9-1-2 is inserted into the second mounting hole 2-6-2, and the positioning lock bolt head 2-9-1-2 is just allowed to be inserted into the second mounting hole 2-6-2 by the size of the second mounting hole 2-6-2, but the positioning lock bolt head 2-9-1-2 is not allowed to move in the second mounting hole 2-6-2, thereby realizing accurate mounting and positioning of the corner piece and the building module component in the insertion direction of the positioning lock bolt 2-3 into the positioning lock bolt 2-4, reducing the error of connection and installation, and the connection and installation process substantially only needs to be inserted into the positioning lock bolt 2-4, and the positioning lock 2-9 to be inserted into the locking hole. After the installation is completed, the user can select to cover the whole by using the soft decoration fabric, and the whole is more attractive by installing and embedding the soft decoration in the second groove 2-5.

Example 4

In a specific embodiment 4, as shown in fig. 21, a corner piece for a quick construction system includes an upper end cap 1, a lower end cap 3, and an intermediate section 2, wherein the upper end cap 1 and the lower end cap 3 are installed at both ends of the intermediate section 2, wherein the surfaces of the upper end cap 1 and the lower end cap 3 are provided with 4 first grooves 1-42-5, wherein the intermediate section 2 is provided with second grooves 2-5 communicating with the first grooves 1-42-5 type grooves for installing a card cloth.

The positioning bolt-holding piece 2-4 is arranged on one side of the middle section bar 2, and the positioning bolt piece 2-3 is arranged on one side adjacent to the positioning bolt-holding piece 2-4. In this embodiment 4, only the first profile support 2-8 is provided in the intermediate profile 2, the first profile support 2-8 being used for mounting the locating pegs 2-3 and the locating pegs 2-4.

When the corner piece and the building module in this embodiment are used for connection, the corner piece and one building module are firstly staggered by a certain distance in the direction of inserting the positioning bolt piece 2-3 into the positioning bolt receiving piece 2-4, then one side of the corner piece is abutted against one side of one building module component, then the positioning bolt piece 2-3 is inserted into the positioning bolt receiving piece 2-4, connection of the corner piece and the building module component is completed, in this embodiment 1, when the corner piece is used for wall turning, the other building module component is connected by adopting the same method, namely a 90-degree corner can be formed, and in the same method, the building module can be installed on the other two sides of the corner piece, as shown in fig. 22. Or additional corner pieces are connected, and the building modules are heightened or expanded so that a system formed by the building modules has a larger application range, and when the corner pieces are opposite up and down, the alignment of workers is facilitated through the first grooves 1-42-5 of the upper end cover 3 and the lower end cover 3. It should be noted that, in the present embodiment 4, the positioning pin 2-3 is installed on the adjacent or opposite side of the positioning pin 2-4, so that when the positioning pin 2-3 is installed on the opposite side of the positioning pin 2-4, the corner piece can also lengthen the length of the module, and can also lengthen the length of the module by using the way of connecting the corner piece with the corner piece according to the needs of the user.

In addition to the above-mentioned cases, in the present application, the length of the intermediate section 2 may be adjusted, and the positioning locks 2-9 and the positioning pin lock members are installed in the intermediate section 2 in the same manner as in the above-mentioned embodiments, so redundant description is omitted.

In a preferred embodiment, the upper end cover 1 and the lower end cover 3 are square with equal size, and the side lengths of the upper end cover 1 and the lower end cover 3 are 59 mm-65 mm.

Claims

1. A corner piece for a quick building system, comprising an upper end cover, a lower end cover and an intermediate section bar;

2. A corner piece for use in a quick construction system according to claim 1, wherein the intermediate profile is provided with at least one of a locating retaining pin, a locating peg and a locating peg.

3. Corner piece for use in a quick construction system according to claim 2, wherein the intermediate profile is provided with at least one of a first profile support and a positioning and fixing pin lock;

4. A corner piece for use in a quick construction system according to claim 1, wherein the upper end cap is interference fitted with the lower end cap and the intermediate profile.

5. A corner piece for use in a quick construction system according to claim 1, wherein both the upper end cap and the lower end cap are provided with a first through hole;

the first through hole is communicated with the intermediate section bar.

6. A corner piece for use in a quick construction system according to claim 3, wherein the surface of the intermediate profile is provided with at least two adjacent or opposite third grooves;

the third mounting hole is used for mounting the positioning fixing pin.

7. A corner piece for use in a quick construction system according to claim 6, wherein the upper end cap and the lower end cap are each provided with a boss and a connecting block at the bottom;

8. A corner piece for use in a quick construction system according to claim 6, wherein the intermediate profile is further provided with a positioning lock and a positioning locking tab;

The lock bolt comprises a lock bolt rod and a positioning lock bolt head;

the spring is propped between the pressing plate and the propping part;

the positioning locking stator is provided with a through cavity;

the positioning lock bolt head is nested in the through cavity;

the through cavity corresponds to the second through hole;

9. A corner piece for use in a quick construction system according to claim 5, wherein the intermediate profile further comprises a second profile support when a locating retaining pin lock is provided within the intermediate profile;

10. A corner piece for use in a quick construction system according to claim 9, wherein at least one end of the locking pin has a claw portion for driving the locking pin in rotation.

11. A corner piece for use in a quick construction system according to claim 10, wherein the locking pin locking piece is internally fixedly provided with an in-shaft nylon piece.

12. A corner piece for use in a quick build system according to claim 6, wherein the locating peg comprises a peg head, a cylindrical peg and peg portion, a locating mounting plate;

One end of the plug-in bolt rod is connected with the bolt head, and the other end of the plug-in bolt rod is connected with the bolt rod part;

the positioning mounting plate is attached to the middle section bar;

A plurality of first jacks are formed in the positioning mounting plate;

The bolt rod part sequentially passes through one first jack and one first mounting hole and then is connected with the first section bar supporting piece, and the bolt sequentially passes through the other first jacks and the first mounting holes and then is connected with the first section bar supporting piece;

One end of the third jack extends to the end part of the hollow pipe fitting;

The positioning bolt-holding piece is attached to the middle section bar;

a fourth jack is formed in the positioning bolt-accommodating piece;

And the bolts sequentially pass through the first mounting holes, the fourth jacks and the middle section bar and then are connected with the first section bar supporting piece.

13. A corner piece for use in a quick construction system according to claim 6, wherein the locating fixing pin comprises a post head, a post section and a mounting post;

The diameter of the small-diameter post rod is smaller than that of the post head, one end of the large-diameter post rod is connected with the small-diameter post rod, and the other end of the large-diameter post rod is detachably arranged on the third mounting hole;

the mounting post is connected with the third mounting hole.

14. A corner piece for use in a quick construction system according to claim 5, wherein the upper and lower end caps are square of equal size, and the upper and lower end caps have sides of 59mm to 65mm.