CN219197076U

CN219197076U - Prefabricated door head

Info

Publication number: CN219197076U
Application number: CN202223472528.8U
Authority: CN
Inventors: 林倩; 张弈尘; 刘书荣; 林明贵; 戈姗姗; 薛涛
Original assignee: Cct Tech Fuzhou Co ltd
Current assignee: Cct Tech Fuzhou Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-06-16
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to the technical field of precast concrete parts, in particular to a precast door head, which comprises door posts, door beams and reserved steel bars; the two door posts are vertically fixed on the ground; a plurality of vertical first door post reinforcing steel bars are fixed in the door posts at equal intervals; the upper end of the first portal column steel bar penetrates out of the portal column end face, and the lower end of the first portal column steel bar is fixed at the upper part of the inner side of a grouting sleeve; the grouting sleeve is fixed at the bottom of the gate post, and the lower end of the grouting sleeve is flush with the bottom of the gate post; the two ends of the door beam are respectively fixed at the tops of two door posts, and the door beam is vertically provided with a vertically through grouting channel; the upper ends of the first door post steel bars are fixed in the grouting channel. The utility model realizes the assembly construction of the door head by means of producing the door post and the door beam in advance in a factory and mechanically installing the door post and the door beam on site, and has the advantages of simple operation, quick construction, firm structure, excellent appearance and one-step molding of the decoration effect.

Description

Prefabricated door head

Technical Field

The utility model relates to the technical field of precast concrete parts, in particular to a precast door head.

Background

The door head of the building is taken as an important component of the wall as a building entrance, and is generally in a masonry structure, namely, the door head is built by bricks at a construction site, and then, plastering, tiling and other secondary decoration are carried out. The traditional method mainly has the defects of on-site manual wet operation, low construction efficiency, large structural dimension error, low economical efficiency and the like.

The utility model discloses a Chinese patent with a patent publication number of CN1708017U, which discloses a light partition plate assembled door head, comprising: the two ends of the door head backing plate are lapped at the top end of the door pile or are connected with a concrete member at the side end of the door opening through a section steel support; prefabricating a door head wallboard; the first cement mortar layer is arranged at the top end of the door head backing plate and connected with the door head backing plate through the first cement mortar layer; and the limiting connecting piece is arranged at the top end or the side end of the prefabricated door head wallboard and is connected with a concrete member at the top end or the side end of the door opening. The beneficial effects of the utility model are as follows: the rapid assembly of the assembled door head is realized through the door head base plate, the prefabricated door head wallboard and the limiting connecting piece, the construction efficiency of the door head is obviously improved, and the construction period is shortened. And the wet workload is small, and only a small amount of grouting treatment is needed.

According to the patent, although the construction efficiency is improved, the wet workload is reduced, the connecting structure is complex, the connecting strength is low, and potential safety hazards exist.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model provides a prefabricated door head, which realizes the assembly construction of the door head by means of producing door posts and door beams in advance in factories and installing the door posts and the door beams on site mechanically, and has the advantages of simple operation, quick construction, firm structure, excellent appearance and one-step molding of modification effect.

The technical scheme of the utility model is as follows:

a prefabricated door head comprises door posts, door beams and reserved steel bars;

the two door posts are vertically fixed on the ground; a plurality of vertical first door post reinforcing steel bars are fixed in the door posts at equal intervals; the upper end of the first portal column steel bar penetrates out of the portal column end face, and the lower end of the first portal column steel bar is fixed at the upper part of the inner side of a grouting sleeve; the grouting sleeve is fixed at the bottom of the gate post, and the lower end of the grouting sleeve is flush with the bottom of the gate post;

the two ends of the door beam are respectively fixed at the tops of two door posts, and the door beam is vertically provided with a vertically through grouting channel; the upper ends of the first door post steel bars are fixed in the grouting channel;

the reserved steel bars are vertically fixed on the ground, and the tops of the reserved steel bars are fixed at the lower part of the inner side of the grouting sleeve.

Further, the grouting channel has a diameter greater than that of the first door post rebar.

Further, grouting and fixing are carried out between the grouting channel and the first door post steel bars; and grouting and fixing the reserved steel bars and the grouting sleeve.

Further, a spool is buried in the door post, a spool hand hole is formed in one side surface of the door post, and the spool is communicated with the spool hand hole.

Further, door auxiliary frames are respectively arranged on one sides, close to each other, of the two door posts.

Further, a second door post reinforcing steel bar is pre-embedded in the center of the door post; the lower end of the second door column reinforcing steel bar is sleeved in a grouting sleeve.

The utility model has the following beneficial effects:

1. the utility model produces the door post and the door beam in the factory in advance, realizes the assembly construction of the door head in the mode of producing the door post and the door beam in advance in the factory and installing the door post and the door beam on site mechanically, and has the advantages of simple operation, quick construction, firm structure, excellent appearance and one-step molding of the decoration effect.

2. The prefabricated door post, the door beam and the ground are fixed by concrete pouring after being connected through the reinforcing steel bars, and the door head manufactured in the mode is simple in structure and firm in connection.

3. The embedded wire pipe and the embedded door auxiliary frame are arranged in the door post, so that later-stage equipment threading and door frame fixing are facilitated.

4. The prefabricated door post and the door beam can adopt the decoration integrated processes of reversely beating stone, reversely beating ceramic tiles, spraying and the like, and can meet the requirements of building appearance.

Drawings

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

fig. 2 is an overall assembled side view of the present utility model.

The reference numerals in the drawings are as follows:

1. a door post; 11. a first door post rebar; 12. a conduit; 13. a spool hand hole; 14. grouting a sleeve; 15. a door attachment frame; 16. second door post reinforcing steel bars; 2. a door beam; 21. grouting a channel; 3. and reserving reinforcing steel bars.

Detailed Description

The utility model will now be described in detail with reference to the drawings and to specific embodiments.

Referring to fig. 1 to 2, a prefabricated door head includes a door post 1, a door beam 2, and a reserved reinforcing bar 3;

the two door posts 1 are vertically fixed on the ground; a plurality of vertical first door post reinforcing steel bars 11 are uniformly fixed in the door post 1 at intervals; the upper end of the first portal column steel bar 11 penetrates out of the end face of the portal column 1, and the lower end of the first portal column steel bar is fixed at the upper part of the inner side of a grouting sleeve 14; the grouting sleeve 14 is fixed at the bottom of the door post 1, and the lower end of the grouting sleeve is flush with the bottom of the door post 1.

When the door post 1 is manufactured, the door post 1 main body, the first door post reinforcing steel bars 11 and the grouting sleeve 14 are integrally cast and formed, so that the door post 1 main body and the first door post reinforcing steel bars 11 are tightly connected, and the first door post reinforcing steel bars 11 and the reserved reinforcing steel bars 3 can be subjected to subsequent grouting construction more conveniently through the grouting sleeve 14.

In particular, the first door post rebar 11 is disposed adjacent to the outer periphery of the door post 1.

The two ends of the door beam 2 are respectively fixed at the tops of the two door posts 1, and the door beam 2 is vertically provided with a vertically through grouting channel 21; the upper end of the first door post steel bar 11 is fixed in the grouting channel 21;

a grouting channel 21 matched with the first door post reinforcing steel bar 11 is reserved when the door beam 2 is manufactured, and cement slurry is poured into the grouting channel 21 after the grouting channel 21 is aligned to the first door post reinforcing steel bar 11 during construction, so that the door post 1 and the door beam 2 can be fixed; the clear distance between the two door posts 1 forms the width of the door head, and the clear height of the door beam 2 from the ground forms the height of the door head;

the reserved steel bars 3 are vertically fixed on the ground, and the tops of the reserved steel bars are fixed at the lower part of the inner side of the grouting sleeve 14.

The reserved steel bars 3 are in one-to-one correspondence with the first door post steel bars 11 and are connected through grouting sleeves 14. When in construction, after the grouting sleeve 14 is installed corresponding to the reserved steel bars 3, cement slurry is poured into the grouting sleeve 14, and then the fixation of the door post 1 and the reserved steel bars 3 (the ground) is completed.

Further, the grouting passages 21 have a diameter larger than that of the first door post rebar 11.

The grouting channel 21 has a diameter larger than that of the first door post reinforcing bars 11 so as to facilitate the installation and post-installation construction of the door post 1 and the door beam 2.

Further, the grouting channel 21 is fixed with the first door post steel bar 11 in a grouting way; the reserved steel bars 3 and the grouting sleeve 14 are fixed in a grouting manner.

After the door post 1 and the door beam 2 are installed, grouting is conducted into the grouting channel 21 and the grouting sleeve 14 respectively, the effect of fixing the door post 1 and the door beam 2 can be achieved, and the installation and the fixation of the prefabricated door head are completed.

Further, a spool 12 is embedded in the door post 1, a spool hand hole 13 is formed in one side surface of the door post 1, and the spool 12 is communicated with the spool hand hole 13.

The pre-buried wire pipe 12 is used for threading of later-stage equipment, so that open wires can be prevented from being laid or holes can be prevented from being formed in the door column 1; the conduit hand hole 13 communicates with the conduit 12 to facilitate operation of the wiring within the conduit 12 during construction.

Further, door attachment frames 15 are respectively arranged at the sides of the two door posts 1, which are close to each other.

The pre-buried door attaches frame 15 is door frame fixed knot structure, after installing whole door head, need not carry out extra chisel when installing the door any more.

Further, a second door post reinforcing steel bar 16 is pre-embedded in the center of the door post 1; the lower end of the second door post steel bar 16 is sleeved in a grouting sleeve 14.

The second door post reinforcing steel bar 16 is also a reinforcing steel bar pre-buried in the door post 1, is not connected with the door beam 2, but is fixed with the reserved reinforcing steel bar 3 through the grouting sleeve 14, and has the effect of reinforcing the fixed strength of the door post 1 and the ground.

The installation process of the utility model is as follows:

1. the door post 1 and the door beam 2 are prefabricated to size at the factory.

2. Cleaning the ground and drawing auxiliary lines, identifying the locating lines of the pre-installed door jambs 1.

3. The positioning and length of the reserved steel bars 3 on the ground are adjusted so that they can be matched with the grouting sleeve 14.

4. Installing the door post 1, enabling the grouting sleeve 14 to be smoothly sleeved into the reserved steel bar 3, and adjusting the plane positioning and verticality of the door post 1;

5. the door beam 2 is installed, so that the first door post steel bars 11 can smoothly pass through the reserved grouting channels 21, and the plane positioning and verticality of the door beam 2 are adjusted;

6. the grouting sleeve 14 and the reserved grouting channel 21 are respectively fixed in a grouting manner, and after the grouting of the two parts is completed and the slurry is solidified, the door beam 2 and the door post 1 form a complete door head.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The prefabricated door head is characterized by comprising door posts (1), door beams (2) and reserved steel bars (3);

the two door posts (1) are vertically fixed on the ground; a plurality of vertical first door post reinforcing steel bars (11) are uniformly fixed in the door post (1) at intervals; the upper end of the first door post reinforcing steel bar (11) penetrates out of the end face of the door post (1), and the lower end of the first door post reinforcing steel bar is fixed at the upper part of the inner side of a grouting sleeve (14); the grouting sleeve (14) is fixed at the bottom of the door post (1), and the lower end of the grouting sleeve is flush with the bottom of the door post (1);

two ends of the door beam (2) are respectively fixed at the tops of two door posts (1), and the door beam (2) is vertically provided with a vertically through grouting channel (21); the upper end of the first door post steel bar (11) is fixed in the grouting channel (21);

the reserved steel bars (3) are vertically fixed on the ground, and the tops of the reserved steel bars are fixed at the lower part of the inner side of the grouting sleeve (14).

2. A prefabricated door head according to claim 1, characterized in that the grouting channel (21) has a diameter larger than the diameter of the first door post reinforcement (11).

3. A prefabricated door head according to claim 1, characterized in that the grouting channel (21) is fixed in grouting manner with the first door post reinforcement (11); and grouting and fixing the reserved steel bars (3) and the grouting sleeve (14).

4. A prefabricated door head according to claim 1, characterized in that a spool (12) is embedded in the door post (1), a spool hand hole (13) is formed in one side surface of the door post (1), and the spool (12) is communicated with the spool hand hole (13).

5. A prefabricated door head according to claim 1, characterized in that the door posts (1) are provided with door attachment frames (15) on each side thereof which are adjacent to each other.

6. A prefabricated door head according to claim 1, characterized in that the center of the door post (1) is pre-embedded with a second door post reinforcing bar (16); the lower end of the second door post steel bar (16) is sleeved in a grouting sleeve (14).