CN211115425U

CN211115425U - Prefabricated door frame assembly of cement of easy installation

Info

Publication number: CN211115425U
Application number: CN201921762809.2U
Authority: CN
Inventors: 孙汉兵; 孙莲
Original assignee: Qingdao Yixinda Building Materials Technology Co ltd
Current assignee: Qingdao Yixinda Building Materials Technology Co ltd
Priority date: 2019-10-21
Filing date: 2019-10-21
Publication date: 2020-07-28
Anticipated expiration: 2029-10-21

Abstract

The utility model relates to the technical field of cement prefabricated door frames, in particular to an easily-installed cement prefabricated door frame assembly, which comprises two first door frames and two second door frames, wherein the two second door frames are positioned between the two first door frames, both ends of the first door frames are provided with notches, both left and right sides of the notches are provided with rectangular grooves, both upper and lower sides of each rectangular groove are provided with rotating holes, a rotating block is arranged in each rectangular groove, both upper and lower sides of each rotating block are provided with rotating shafts, the rotating shafts are positioned in the rotating holes, one side of each rotating block, which is far away from the notches, is provided with a spring groove, a plurality of telescopic springs are arranged in each spring groove, both upper and lower ends of each second door frame are provided with fixed blocks, both left and right sides of each fixed block are provided with fixing grooves in a triangular shape, when the two first door frames and the two second door frames are combined, the, the rotating block is extruded to the fixing groove in the rectangular groove, and the fixing block is fixed in the gap.

Description

Prefabricated door frame assembly of cement of easy installation

Technical Field

The utility model relates to a prefabricated door frame technical field of cement specifically is a prefabricated door frame assembly of cement of easy installation.

Background

Building workers can leave a door opening on a wall surface when building a wall, and put in a cement prefabricated door frame, a complete door frame in the prior art is formed by combining four door frame plates, when the door frame is installed in the door opening, the four door frame plates are welded to form a whole, electric welding equipment and a professional welder are needed in the process, the welding manufacturing process is also complicated, and therefore the four door frame plates are installed into an adult which wastes time and money.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated door frame assembly of cement of easy installation to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an easily-installed cement prefabricated door frame assembly comprises two first door frames and two second door frames, wherein the two second door frames are positioned between the two first door frames, two ends of each first door frame are provided with notches, the left side and the right side of each notch are provided with rectangular grooves, the upper side and the lower side of each rectangular groove are provided with rotating holes, rotating blocks are arranged in the rectangular grooves, the upper side and the lower side of each rotating block are provided with rotating shafts, the rotating shafts are positioned in the rotating holes, one sides of the rotating blocks, far away from the notches, are provided with spring grooves, the spring grooves are positioned at the edges of the side faces of the rotating blocks, and a plurality of telescopic springs are arranged in the spring grooves; the upper and lower both ends of second door frame all are equipped with the fixed block, the left and right sides of fixed block all is equipped with the fixed slot that is triangle-shaped.

Preferably, the second door frame and the fixing block are of an integrally formed structure.

Preferably, the rotating shaft is matched with the rotating hole in size, and the rotating shaft is rotatably connected with the rotating hole.

Preferably, the spring groove is rectangular, the diameter of the extension spring is smaller than the width of the spring groove, the number of the extension springs is at least 2, and two ends of the extension spring are respectively tightly bonded with one side of the rectangular groove and one side of the spring groove.

Preferably, the size of the rotating block is smaller than that of the rectangular groove, and the size of the fixed block is matched with that of the notch.

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

the utility model discloses a breach, rotatory piece, fixed block, fixed slot and expanding spring that set up, when two first door frames and two second door frames were combined, directly go into the breach with the fixed block card in, through the expanding spring extension extruded rotatory piece, make rotatory piece extrude to the fixed slot in the rectangular channel, fix the fixed block in the breach, this process does not need the welder of electric welding equipment and specialty, ordinary workman can all accomplish, can save time and cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the inner part of the middle notch of the present invention;

fig. 3 is a schematic partial sectional view of a first doorframe of the present invention;

fig. 4 is a schematic structural diagram of the local explosion in the present invention.

In the figure: 1. a first door frame; 11. a notch; 12. a rectangular groove; 13. rotating the hole; 2. a second door frame; 21. a fixed block; 22. fixing grooves; 3. rotating the block; 31. a rotating shaft; 32. a spring slot; 4. a telescoping spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

an easily-installed cement prefabricated door frame assembly comprises two first door frames 1 and two second door frames 2, wherein the two second door frames 2 are positioned between the two first door frames 1, both ends of each first door frame 1 are provided with notches 11, both left and right sides of each notch 11 are provided with rectangular grooves 12, both upper and lower sides of each rectangular groove 12 are provided with rotating holes 13, a rotating block 3 is arranged in each rectangular groove 12, both upper and lower sides of each rotating block 3 are provided with rotating shafts 31, each rotating shaft 31 is positioned in each rotating hole 13, one side, far away from each notch 11, of each rotating block 3 is provided with a spring groove 32, each spring groove 32 is positioned at the edge of the side face of each rotating block 3, and a plurality of telescopic springs 4 are arranged in each spring groove; the upper end and the lower end of the second door frame 2 are both provided with fixing blocks 21, and the left side and the right side of each fixing block 21 are both provided with fixing grooves 22 which are triangular.

Specifically, the second door frame 2 and the fixing block 21 are of an integrally formed structure, so that the two second door frames 2 and the two first door frames 1 are combined together, and the whole structure can be stable.

Furthermore, the size of the rotating shaft 31 is matched with that of the rotating hole 13, the rotating shaft 31 is rotatably connected with the rotating hole 13, so that the rotating shaft 31 can rotate freely in the rotating hole 13, and the telescopic spring 4 supports the rotating block 3 in the spring groove 32 to rotate for a certain angle by taking the rotating shaft 31 as an axis under the natural extension state of the telescopic spring 4, so that part of the structure of the rotating block 3 enters the notch 11.

Specifically, spring slot 32 is the rectangle form, and expanding spring 4's diameter is less than spring slot 32's width, guarantees the flexible that expanding spring 4 can be free, and expanding spring 4's quantity is 2 at least, prevents that individuality expanding spring 4 from damaging, can not extend, and expanding spring 4's both ends closely bond with one side of rectangular channel 12 and one side of spring slot 32 respectively, guarantee overall structure's stability.

Further, the size of rotatory piece 3 is less than the size of rectangular channel 12, guarantees that rotatory piece 3 can rotate in rectangular channel 12, and the size of fixed block 21 and the size looks adaptation of breach 11 prevent to make up untight, lead to whole door frame to rock, even separate.

When the cement prefabricated door frame assembly easy to install is used, two first door frames 1 and two second door frames 2 are placed on the horizontal ground, the fixed blocks 21 on the two second door frames 2 are respectively placed at two ends of the two first door frames 1, the fixed blocks 21 are aligned with the notches 11, the two fixed blocks 21 on the left side are moved into the two notches 11 from left to right, the two fixed blocks 21 on the right side are moved into the two notches 11 from right to left, the rotating block 3 is extruded by the fixed blocks 21 in the moving process, the rotating block 3 rotates by taking the rotating shaft 31 as the axis, the rotating shaft 31 rotates in the rotating hole 13, the rotating block 3 enters the rectangular groove 12, the telescopic spring 4 is extruded and contracted, when the fixed blocks 21 completely enter the notches 11, the fixed grooves 22 correspond to the positions of the rotating block 3, the rotating block 3 does not have the resistance of the fixed blocks 21, and the telescopic spring 4 freely extends, promote rotatory piece 3 and use pivot 31 rotatory as the axle center, during the partial structure of rotatory piece 3 got into fixed slot 22, made rotatory piece 3 card in fixed slot 22, fixed block 21 can't drop in breach 11, guaranteed two first door frames 1 and two second door frames 2 combination back overall structure's firm.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prefabricated door frame assembly of easy installation's cement, includes two first door frames (1) and two second door frames (2), two second door frame (2) are located two between first door frame (1), its characterized in that: notches (11) are formed in two ends of the first door frame (1), rectangular grooves (12) are formed in the left side and the right side of each notch (11), rotating holes (13) are formed in the upper side and the lower side of each rectangular groove (12), rotating blocks (3) are arranged in the rectangular grooves (12), rotating shafts (31) are arranged on the upper side and the lower side of each rotating block (3), the rotating shafts (31) are located in the rotating holes (13), spring grooves (32) are formed in one sides, away from the notches (11), of the rotating blocks (3), the spring grooves (32) are located at the edges of the side faces of the rotating blocks (3), and a plurality of telescopic springs (4) are arranged in the spring grooves (32); the upper end and the lower end of the second door frame (2) are respectively provided with a fixing block (21), and the left side and the right side of each fixing block (21) are respectively provided with a fixing groove (22) which is triangular.

2. An easily installed cement prefabricated door frame assembly as claimed in claim 1, wherein: the second door frame (2) and the fixing block (21) are of an integrally formed structure.

3. An easily installed cement prefabricated door frame assembly as claimed in claim 1, wherein: the rotating shaft (31) is matched with the size of the rotating hole (13), and the rotating shaft (31) is rotatably connected with the rotating hole (13).

4. An easily installed cement prefabricated door frame assembly as claimed in claim 1, wherein: spring groove (32) are the rectangle form, the diameter of expanding spring (4) is less than the width of spring groove (32), the quantity of expanding spring (4) is 2 at least, the both ends of expanding spring (4) respectively with one side of rectangular channel (12) and one side of spring groove (32) closely bond.

5. An easily installed cement prefabricated door frame assembly as claimed in claim 1, wherein: the size of the rotating block (3) is smaller than that of the rectangular groove (12), and the size of the fixed block (21) is matched with that of the notch (11).