CN112726974A

CN112726974A - Ancient building door head structure

Info

Publication number: CN112726974A
Application number: CN202011570046.9A
Authority: CN
Inventors: 方磊
Original assignee: Hangzhou Junzheng Architectural Design Co ltd
Current assignee: Hangzhou Junzheng Architectural Design Co ltd
Priority date: 2020-12-26
Filing date: 2020-12-26
Publication date: 2021-04-30
Anticipated expiration: 2040-12-26
Also published as: CN112726974B

Abstract

The application relates to an ancient building door head structure connects on coaxial adjacent and two spaced wall bodies, one side of wall body is in the institute, and the opposite side that the wall body is relative is outside the institute. The door comprises a prefabricated door head, the bottom surfaces of two ends of the prefabricated door head are respectively abutted against two wall bodies, and an adhesive layer is arranged between the prefabricated door head and the wall bodies; and one side of the prefabricated door head, which is close to the outside of the house, is connected with a picking-out mechanism for domestic swallow to nest. The application has the effects of being fast and convenient to construct.

Description

Ancient building door head structure

Technical Field

The application relates to the technical field of building construction, in particular to an ancient building door head structure.

Background

Door heads in buildings refer to the upper structure of door frames, usually the door lintel and the wall structure located above the door lintel.

The wall body of the door head and the door head lower part of the ancient building is generally formed by building bricks, the building of one brick is more time-consuming, the construction period is long, and therefore the door head structure of the ancient building convenient to construct is required to be provided.

Disclosure of Invention

For the construction of ancient door head building in order to facilitate, this application provides an ancient building door head structure, adopts following technical scheme:

the utility model provides an ancient building door head structure, connects on coaxial adjacent and two spaced wall bodies, one side of wall body is in the institute, and the opposite side that the wall body is relative is outside the institute. The door comprises a prefabricated door head, the bottom surfaces of two ends of the prefabricated door head are respectively abutted against two wall bodies, and an adhesive layer is arranged between the prefabricated door head and the wall bodies; one side of the prefabricated door head, which is positioned outside the house, is connected with a picking-out mechanism for domestic swallow to nest.

Through adopting above-mentioned technical scheme, prefabricated door head is the mill prefabrication, and the tie coat is high strength cement mortar, and prefabricated door head passes through tie coat fixed connection on the wall body, has reduced the step that the fragment of brick was built. Simultaneously, choose the mechanism and be used for providing the bearing structure who builds the nest to the swallow of family to attract the swallow of family, increase the probability that the nest was built to the swallow of family on door head structure, thereby improve the effect of imitating the classic of door head structure.

Optionally, the prefabricated door head comprises a top bearing part and a middle bearing part fixedly connected between the wall body and the top bearing part, the two ends of the middle bearing part in the length direction of the parallel wall body are connected with flanges, the bottom end of each connecting flange is flush with the bottom end of the middle bearing part, the lower surface of each connecting flange is vertically provided with a connecting hole, the top end of the wall body is vertically provided with a matching hole, the connecting holes and the matching holes coaxially correspond to each other, and cement slurry is filled inside to form a stable layer when the connecting holes and the matching holes coaxially correspond to each other.

Through adopting above-mentioned technical scheme, connect the turn-ups and can improve the area of contact between well portion of holding and the wall body. Meanwhile, the connection performance between the connection flange and the wall body can be improved by the fixing layers in the connection hole and the matching hole, so that the connection performance between the prefabricated door head and the wall body is improved.

Optionally, the coaxial fixedly connected with stand pipe in the mating hole, the bottom fixed connection of stand pipe is in the wall body, the top of stand pipe is higher than the top of wall body and stretches into to the connecting hole in, the stand pipe is buried in firm in situ, the interval sets up between the wall of the all round lateral wall of stand pipe and the pore wall of mating hole, the intercommunicating pore that link up has still been seted up on the all round lateral wall of stand pipe.

Through adopting above-mentioned technical scheme, the stand pipe is the steel pipe, and the stand pipe can fix a position and wear to restraint the connecting hole to connect turn-ups's installation, thereby be convenient for prefabricate the installation of door head. Meanwhile, the guide pipe can improve the bending resistance of the stabilizing layer. And when filling cement paste, the intercommunicating pores on the guide pipe are convenient for the cement paste to pass through and enter the guide pipe for filling so as to facilitate field personnel to fill the cement paste, and meanwhile, the intercommunicating pores on the guide pipe can also improve the connection performance between the guide pipe and the stable layer.

Optionally, the peripheral side wall of the guide pipe is fixedly connected with a plurality of reinforcing ribs, and the reinforcing ribs are spirally arranged around the peripheral side wall of the guide pipe.

Through adopting above-mentioned technical scheme, the bending resistance of stand pipe can be improved to the stiffening rib, and the spiral setting is compared in vertical setting, can increase stiffening rib length and surface area to improve the connection performance of stand pipe and firm layer.

Optionally, an accommodating groove is formed in one side, located outside the yard, of the middle bearing part, and the accommodating groove is parallel to the thickness direction of the wall body; the picking mechanism comprises a bearing plate connected to the middle bearing part, a picking rod fixedly connected to the bearing plate and used for providing support for the house swallow nest building, and a driving assembly used for driving the picking rod to move away from or close to the accommodating groove; when the pop-out rod extends out of the accommodating groove, the bearing plate shields the accommodating groove, and when the pop-out rod retracts into the accommodating groove, the bearing plate is attached to one side, close to the inside of the yard, of the accommodating groove.

Through adopting above-mentioned technical scheme, the pop-out pole provides bearing structure to the swallow, and the bearing board is used for connecting the holding tank and the pop-out pole, starts drive assembly, and the pop-out pole takes place to remove with the bearing board, and the pop-out pole stretches out or in the holding tank of withdrawal. In spring, one end of the picking rod extends out of the accommodating groove, and the end of the picking rod extending out of the accommodating groove is used for a domestic swallow to nest on the picking rod. The holding tank is shielded to the layer board this moment, and the probability of rainwater infiltration entering the drive assembly in the corrosion tank of holding tank during the rainy day reduces the spring hornet and builds the probability of nest in the holding tank simultaneously. In autumn, the domestic swallow migrates, the driving mechanism is started, the picking rod retracts into the accommodating groove, the nest of the domestic swallow is protected, the probability of damage of the nest of the domestic swallow is reduced, and the supporting plate is located in the accommodating groove at the moment. And before the domestic swallow migrates back in the next year, the driving mechanism is started to enable the picking-out rod to extend out of the accommodating groove again from one end of the picking-out rod where the domestic swallow nests.

Optionally, a moving groove is formed in a groove wall at the bottom end of the accommodating groove, and the moving groove is arranged in parallel to the thickness direction of the wall body; the driving assembly comprises a lead screw and a driving motor, the lead screw coaxially penetrates through the moving groove, the lead screw is connected with the picking-out rod through a moving block, the moving block is coaxially sleeved and screwed on the lead screw, the moving block is close to the inside of the yard, and one end of the lead screw is located in the yard; the driving motor is fixedly connected to one side of the middle bearing part, which is positioned in the yard.

Through adopting above-mentioned technical scheme, the lead screw is installed in the shifting chute, starts driving motor, and the lead screw rotates to thereby the drive shifting block removes, thereby removes through the movable block and drives and choose pole and bearing board one end and keep away from stretching out or in the holding tank of retracting.

Optionally, a vertical stop lever is fixedly connected to the upper surface of one end of the picking-out lever, which is far away from the bearing plate; one side of the middle bearing part, which is positioned outside the yard, is hinged with a baffle, the baffle vertically rotates relative to the wall body, and the baffle is arranged corresponding to the accommodating groove; when the baffle plate is attached to the wall body, the baffle plate shields the accommodating groove.

Through adopting above-mentioned technical scheme, when the holding tank is stretched out to pop-out lever one end, the baffle is used for providing and shields for the pop-out lever. When the picking rod retracts into the accommodating groove, the baffle shields the accommodating groove to protect the structure in the accommodating groove. The stop lever is used for choosing the pole and promoting the baffle to rotate when stretching out the holding tank, reduces the baffle contact and destroys the probability that has had the house swallow nest on choosing the pole.

Optionally, a horizontal rod is fixedly connected to the top end of the stop rod, abutting parts are fixedly connected to two ends of the horizontal rod, and one side of each abutting part, which is far away from the bearing plate, is arranged in an arc-shaped protruding manner; one side of the abutting part, which is far away from the bearing plate, abuts against the baffle; an anti-falling rod is connected between the middle part of the horizontal rod and the baffle, one end of the anti-falling rod is hinged to the horizontal rod, and the other opposite end of the anti-falling rod is connected to the baffle; one side of the baffle close to the abutting part corresponds to the anti-falling plate and is provided with a limiting sliding groove, and one end of the anti-falling rod departing from the horizontal rod slides and is hinged in the limiting sliding groove.

Through adopting above-mentioned technical scheme, butt portion on the horizon bar is used for offseting with the baffle when the pop-out pole removes, and butt portion is the arc arch, scratch baffle when reducing butt portion and baffle offset. The anti-falling rod hinged between the horizontal rod and the baffle can reduce the amount of the baffle rotating to be separated from the horizontal rod under the action of upward airflow. Simultaneously, the anticreep pole is when the horizontal pole drive baffle rotates, and the relative emergence of one end that is located spacing spout slides to the both ends of anticreep pole rotate relatively, reduce the anticreep pole card and die horizontal pole drive baffle pivoted probability.

Optionally, a guide groove is formed in the groove wall of the accommodating groove, the guide groove moves in parallel, a guide block matched with the guide groove is fixedly connected to the supporting plate, and the guide block is connected to the guide groove in a sliding mode.

Through adopting above-mentioned technical scheme, the cooperation of guide block and guide way can improve the stability ability of bearing board when removing.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the prefabricated door head is prefabricated in a factory, the bonding layer is high-strength cement mortar, and the prefabricated door head is fixedly connected to a wall body through the bonding layer, so that the steps of building bricks are reduced, and the construction period of the prefabricated door head is shortened;

2. the guide pipe is used for penetrating and binding the matching holes so that the connecting holes and the matching holes are aligned, and therefore field personnel can conveniently install the prefabricated door head, meanwhile, the guide pipe and the filling layer form a steel pipe cement paste structure, and the stability of the filling layer is improved;

3. the picking rods extend out in spring, so that the domestic swallows nest on the picking rods, the bearing plates cover the accommodating grooves, and the probability of nesting of hornets in the accommodating grooves is reduced; after the domestic swallow nests on the picking rod, in autumn, the domestic swallow migrates, the picking rod retracts, the accommodating groove accommodates the picking rod and the nest of the domestic swallow on the picking rod, and the probability that the picking rod and the nest of the domestic swallow are damaged is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the hospital facade of the present application.

Fig. 2 is a schematic view of the explosion structure of the prefabricated door head and the wall body.

Fig. 3 is a schematic cross-sectional view taken along line a-a in fig. 2.

Fig. 4 is an overall enlarged structural schematic diagram of the picking mechanism of the present application.

Fig. 5 is a schematic cross-sectional view taken along line B-B in fig. 4.

Fig. 6 is an enlarged schematic view of the structure at a in fig. 4.

Fig. 7 is a schematic structural view of the present application when one end of the cantilever bar is cantilevered.

Description of reference numerals: 1. a wall body; 2. a door opening; 3. prefabricating a door head; 4. a bonding layer; 5. a picking mechanism; 6. a top bearing part; 7. a middle bearing part; 8. connecting the flanging; 9. connecting holes; 10. a mating hole; 11. a guide tube; 12. a communicating hole; 13. reinforcing ribs; 14. a stabilizing layer; 15. accommodating grooves; 16. a baffle plate; 17. a rotating shaft; 18. fixing the ear; 19. a limiting chute; 20. an additional groove; 21. a guide groove; 22. a moving groove; 23. a support plate; 24. a rod is picked out; 25. a stop lever; 26. a guide block; 27. a horizontal bar; 28. an abutting portion; 29. an anti-drop rod; 30. a collar; 31. a hinged lever; 32. a screw rod; 33. a drive motor; 34. a moving block; 35. a driven gear; 36. a drive gear; 37. a flashing member; 38. a decorative member; 39. imitating a wood plate; 40. and (5) decorating the column.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

Referring to fig. 1, this application embodiment discloses an ancient building door head structure, connects between two coaxial and interval wall bodies 1 that set up, forms the door opening 2 that is used for the door leaf installation between two wall bodies 1, and one side of wall body 1 thickness direction is in the institute, and the opposite side of wall body 1 thickness direction is outside the institute.

Ancient building door head structure includes prefabricated door head 3, and the both ends of 3 lower surfaces of prefabricated door head butt respectively in the top of two wall bodies 1. The lower surface of the prefabricated door head 3 shields the top end opening of the door opening 2. Cement mortar is spread between the prefabricated door head 3 and the wall body 1 to form a bonding layer. The side of the prefabricated door head 3 outside the yard is connected with a picking-out mechanism 5 for domestic swallow to nest.

The prefabricated door head 3 is formed by prefabricating concrete in a factory, and the bonding layer 4 is high-strength cement mortar. Cement mortar is firstly paved on the wall body 1, then the prefabricated door head 3 is hoisted, the bottom end of the prefabricated door head 3 is abutted to the bonding layer, the prefabricated door head 3 is fixedly connected to the wall body 1 through the bonding layer 4, and the steps of building bricks are reduced. Simultaneously, choose mechanism 5 to be used for providing the bearing structure who builds the nest to the swallow of family to attract the swallow of family, increase the probability that the nest was built to the swallow of family on door head structure, thereby improve the effect modelled after an antique of door head structure.

Referring to fig. 2, the prefabricated door head 3 comprises a top bearing part 6 and a middle bearing part 7 fixedly connected to the bottom end of the top bearing part 6, wherein the top bearing part 6 and the middle bearing part 7 are both formed by pouring and prefabricating reinforced concrete. The top bearing part 6 and the middle bearing part 7 are arranged along the length direction of the wall body 1. The thickness dimension of the top support part 6 is larger than that of the middle support part 7.

The top end of the cross section of the top bearing part 6 is arranged in an included angle. The top of the top bearing part 6 is connected with a flashing part 37, the flashing part 37 shields the upper surface of the top bearing part 6, and the flashing part 37 comprises a bearing layer, a mortar layer and a covering tile layer which are sequentially connected from bottom to top. The bearing layer comprises lotus rafters and fly rafters which are all parallel to the length direction of the wall body 1 and are distributed at intervals in sequence, and cover plates supported on the lotus rafters and the fly rafters, the lower ends of the lotus rafters and the fly rafters are arranged in an overhanging mode, and the lower ends of the lotus rafters and the fly rafters are fixedly connected with brake rafters used for supporting the cover plates. The upper surface of the cover plate is fixedly connected with a waterproof layer formed by waterproof coiled materials. The mortar layer is laid on the waterproof layer, and the brick layer and the tile layer are laid on the mortar layer.

The side wall and the lower surface of the top support part 6 are also fixedly connected with decoration parts 38, and the decoration parts 38 comprise decoration plate groups and decoration columns 40. The decorative plate group comprises a plurality of wood-like plate pieces 39, and the wood-like plate pieces 39 shield the side walls of the top bearing part 6 and the lower surface of the top bearing part 6. The decorative columns 40 are fixedly connected to the lower surface of the top bearing part 6, two rows of the decorative columns 40 are arranged, the two rows of the decorative columns 40 are respectively positioned on two sides of the middle bearing part 7, and two decorative piles are connected to each row at intervals. A pattern plate is fixedly connected between the two decorative columns 40 of each row. The decorative column 40 and the wood-like plate 39 are fixedly connected with the top bearing part 6 through connecting pieces. The flashing part 37 and the decoration part 38 are both installed after the prefabricated door head 3 and the wall body 1 are constructed.

The two ends of the middle bearing part 7 along the length direction of the wall body 1 are fixedly connected with connecting flanges 8, and the upper surfaces of the connecting flanges 8 are vertically provided with through connecting holes 9. The upper surface of the wall body 1 is vertically provided with a matching hole 10 corresponding to the connecting hole 9, the matching hole 10 is coaxial with the connecting hole 9, and a guide pipe 11 is coaxially and vertically fixedly connected in the matching hole 10.

Referring to fig. 1 and 2, the top end of the guide pipe 11 is higher than the upper surface of the wall body 1, and when the fitting hole 10 and the connection hole 9 are coaxial, the top end of the guide pipe 11 extends into the connection hole 9 and is filled with cement paste to form a stable layer 14. The peripheral side wall of the guide tube 11 is arranged at an interval with the hole wall of the matching hole 10, the peripheral side wall of the guide tube 11 is provided with a through communication hole 12, and the communication hole 12 is parallel to the radial direction of the guide tube 11. Still be fixed with a plurality of stiffening ribs 13 on the lateral wall of stand pipe 11, a plurality of strong ribs set up around the lateral wall of stand pipe 11 a week interval, and stiffening rib 13 is the heliciform setting.

The guide tube 11 can be threaded through the attachment hole 9 so that the attachment hole 9 and the mating hole 10 are aligned and the bending resistance of the stabilizing layer 14 is improved. After the connecting hole 9 is aligned with the matching hole 10 and the connecting flange 8 is abutted against the wall body 1, cement paste is filled into the connecting hole 9 and the matching hole 10. When cement slurry is filled, the communication holes 12 on the guide pipe 11 facilitate the cement slurry to pass through and enter the guide pipe 11 for filling, so that field personnel can fill the cement slurry, and meanwhile, the communication holes 12 on the guide pipe 11 can also improve the connection performance between the guide pipe 11 and the stable layer 14.

The reinforcing ribs 13 on the guide tube 11 can enhance the bending resistance of the guide tube 11. At the same time, the reinforcing ribs 13 can also increase the contact area between the guide tube 11 and the packing layer, thereby increasing the connection performance between the guide tube 11 and the packing layer.

Referring to fig. 3 and 4, the accommodating groove 15 is further formed in the side of the middle socket part 7 located outside the yard, and the baffle 16 is further connected to the side of the middle socket part 7 located outside the yard.

The top of baffle 16 is connected with horizontal pivot 17 fixedly, and the coaxial cover in both ends of pivot 17 is equipped with fixed ear 18, and fixed ear 18 rotates with pivot 17 to be connected. One side of the fixing lug 18 is fixedly connected with the middle bearing part 7, and the fixing lug 18 is arranged higher than the accommodating groove 15. The baffle 16 is rotatably connected to the socket 7 by the fixing lug 18 and the rotating shaft 17. When the baffle 16 falls naturally, the end of the baffle 16, which is away from the rotating shaft 17, is lower than the accommodating groove 15, and the baffle 16 shields the opening of the accommodating groove 15.

Referring to fig. 5 and 6, a limiting sliding groove 19 is formed in one side, close to the protruding rod 24, of the baffle 16, the limiting sliding groove 19 is vertically arranged when the baffle 16 naturally falls to shield the accommodating groove 15, additional grooves 20 parallel to the sliding groove are formed in two sides of the limiting sliding groove 19 in the length direction of the wall body 1, and the cross sections of the two additional grooves 20 and the limiting sliding groove 19 are T-shaped grooves.

The receiving groove 15 is provided parallel to the thickness direction of the receiving portion 7. A moving groove 22 is formed in the groove wall of the bottom end of the accommodating groove 15, a guide groove 21 is formed in the groove wall of the top end of the accommodating groove 15, the guide groove 21 is located above the moving groove 22, and the guide groove 21 is a dovetail groove.

The picking mechanism 5 is slidably connected in the receiving groove 15. The picking mechanism 5 includes a support plate 23, a picking rod 24 fixedly connected to a side of the support plate 23 facing away from the yard, and a driving component for driving the support plate 23 to move away from or into the receiving slot 15.

The supporting plate 23 is vertically arranged, the cantilever rod 24 is vertically and horizontally connected to the supporting plate 23, and the cantilever rod 24 deviates from one end of the supporting plate 23 and is fixedly connected with the stop lever 25. The supporting plate 23 is provided with a guide block 26 corresponding to the guide groove 21, and the guide block 26 extends into and is slidably connected in the guide groove 21.

Referring to fig. 5 and 6, the stop lever 25 is vertically arranged, the top end of the baffle 16 is vertically and fixedly connected with a horizontal rod 27, the two ends of the horizontal rod 27 are fixedly connected with abutting parts 28, the abutting parts 28 are located on one side of the horizontal rod 27 departing from the supporting plate 23, the abutting parts 28 are arranged in an arc-shaped protruding horizontal rod 27, and one side of the abutting parts 28 departing from the horizontal rod 27 abuts against one side of the baffle 16 close to the protruding rod 24.

When the setting-out lever 24 is driven to move outside the yard, the abutting portion 28 in the tip end of the stopper lever 25 drives the shutter 16 to rotate upward about the rotary shaft 17, thereby reducing the probability that the shutter 16 comes into contact with the setting-out lever 24. If the nest of the swallow is already arranged on the picking rod 24, the probability that the baffle 16 is contacted with the nest of the swallow can be reduced, and the integrity of the nest of the swallow is guaranteed.

The middle part of the horizontal rod 27 is connected with an anti-drop rod 29, one end of the anti-drop rod 29 is fixedly connected with a lantern ring 30 with a through middle part, and the other opposite end is fixedly connected with a hinge rod 31. The lantern rings 30 are arranged at intervals and are respectively positioned at two sides of the connecting position of the stop lever 25 and the horizontal rod 27, the lantern rings 30 are sleeved on the horizontal rod 27, and the anti-falling rod 29 is rotatably connected with the horizontal rod 27 through the lantern rings 30.

The hinge rod 31 is parallel to the horizontal rod 27, and the cross section of the hinge rod 31 is circular. One end of the anti-falling rod 29 departing from the horizontal rod 27 extends into the limiting sliding groove 19, and two ends of the hinge rod 31 respectively extend into the two additional grooves 20 at two sides of the limiting sliding groove 19.

When the picker lever 24 is moved, the collar 30 will rotate relative to the horizontal bar 27 and the hinge bar 31 will rotate relative to the flipper 16. The horizontal bar 27 is connected to the baffle 16 by a retaining bar 29.

Referring to fig. 4 and 7, when the swallow nest on the picking rod 24 is located outside the hospital, the side wall of one end of the anti-falling rod 29, which is far away from the ring sleeve, abuts against one end of the limiting chute 19, which is close to the picking rod 24, when the baffle 16 moves upwards under the action of air flow, the baffle 16 falls under the action of gravity and collides with the stop rod 25 after the action of the upward air flow is finished, so that the load of one end, which is far away from the bearing plate 23, of the picking rod 24 is increased, and the probability of bending the picking rod 24 is increased. The stopper rod 29 restrains the shutter 16 to reduce the amount of upward rotation of the shutter 16, thereby reducing the kinetic energy of the shutter 16 when it naturally falls and collides with the abutting portion 28.

The driving mechanism comprises a screw rod 32 and a driving motor 33, the screw rod 32 coaxially penetrates through the moving groove 22, two bearings (not shown in the figure) and a moving block 34 are sleeved on the screw rod 32, the bearings are arranged at intervals, the bearings are coaxially and fixedly connected to the moving groove 22, and the screw rod 32 is connected to the moving groove 22 through the bearings. The moving block 34 is in threaded connection with the lead screw 32, and the top end of the moving block 34 extends out of the moving groove 22 and is fixedly connected with the picking rod 24. One end of the screw rod 32 extends into the hospital and is coaxially and fixedly connected with a driven gear 35, and the driven gear 35 is a bevel gear.

The driving motor 33 is a servo motor, the driving motor 33 is positioned at one side of the screw rod 32, and the driving motor 33 is fixedly connected with one side of the middle bearing part 7 positioned in the yard through a backing plate. A driving gear 36 is fixedly connected to an output shaft of the driving motor 33, the driving gear 36 is a bevel gear, and the driving gear 36 is engaged with the driven gear 35.

The implementation principle of ancient building door head structure of this application embodiment does: the prefabricated door head 3 is prefabricated for a factory and then transported to a site for hoisting construction. The screw rod 32, the pop-out rod 24 and the support plate 23 on the middle support part 7 are all installed in a factory.

During on-site hoisting construction, the connecting hole 9 is firstly aligned to the guide pipe 11 on the wall body 1, the guide pipe 11 extends into the connecting hole 9, and then the connecting hole 9 and the matching hole 10 are accurately aligned when the position of the prefabricated door head 3 is adjusted. Compared with a door head structure formed by building bricks, the prefabricated mode is adopted, and the construction is more convenient and rapid. The stand pipe 11 can play preliminary guide effect when prefabricated door head 3 hoists, improves and aims at efficiency, then the manual work is aimed at and is connected and mating holes 10 to improve the construction precision.

After the prefabricated door head 3 is hoisted, the decoration part 38 and the flashing part 37 are constructed.

In spring, the driving motor 33 is started to rotate the screw rod 32, and the moving block 34 moves towards the outside of the yard, so that one end of the pop-out rod 24 extends out of the accommodating groove 15. The stop lever 25 on the kick-out lever 24 will drive the flapper 16 to rotate upward. The shutter 16 naturally abuts against the abutment 28 on the horizontal bar 27 under the action of gravity. The anti-slip bar 29 will restrict the amount of upward rotation of the baffle 16 when subjected to an upward airflow.

The one end of stretching out dry holding tank 15 can the swallow nest and provide bearing structure to can attract the swallow to nest on the pop-out rod 24 of prefabricated door head 3, improve the archaize effect of prefabricated door head 3.

In autumn, after the domestic swallow migrates, the driving motor 33 is started, the screw rod 32 is made to rotate, the moving block 34 moves towards the inside of the hospital until the picking rod 24 is completely positioned in the accommodating groove 15, and the baffle 16 naturally falls and shields the accommodating groove 15. If the house swallow nests on the picking-out rod 24, when the picking-out rod 24 retracts into the accommodating groove 15, the house swallow nest on the picking-out rod 24 is accommodated in the accommodating groove 15, so that the probability of damage to the house swallow nest is reduced.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an ancient building door head structure, connects on coaxial adjacent and two spaced wall bodies (1), one side of wall body (1) is in the institute, and the opposite side that wall body (1) is relative is outside the institute, its characterized in that: the door comprises a prefabricated door head (3), the bottom surfaces of two ends of the prefabricated door head (3) are respectively abutted against two walls (1), and an adhesive layer (4) is arranged between the prefabricated door head (3) and the walls (1); one side of the prefabricated door head (3) close to the outside of the yard is connected with a picking-out mechanism (5) for domestic swallow to nest.

2. The historic building door head structure of claim 1, wherein: prefabricated door head (3) including top portion of holding (6) and fixed connection in well portion of holding (7) between wall body (1) and top portion of holding (6), well portion of holding (7) parallel wall body (1) length direction's the equal fixedly connected with in both ends connects turn-ups (8), the bottom and well portion of holding (7) bottom parallel and level of connecting turn-ups (8), the equal vertical connecting hole (9) of having seted up of lower surface of connecting turn-ups (8), the equal vertical mating holes (10) of having seted up in wall body (1) top, connecting hole (9) and mating holes (10) coaxial correspond, and inside packing cement paste forms firm layer (14) when connecting hole (9) and mating holes (10) coaxial correspond.

3. The historic building door head structure of claim 2, wherein: coaxial fixedly connected with stand pipe (11) in mating holes (10), the bottom fixed connection of stand pipe (11) is in wall body (1), the top of stand pipe (11) is higher than the top of wall body (1) and stretches into in connecting hole (9), stand pipe (11) are buried in firm layer (14), the interval sets up between the pore wall of the week lateral wall of stand pipe (11) and mating holes (10), intercommunicating pore (12) that link up have still been seted up on the week lateral wall of stand pipe (11).

4. The historic building door head structure of claim 3, wherein: the peripheral side wall of the guide pipe (11) is fixedly connected with a plurality of reinforcing ribs (13), and the reinforcing ribs (13) are spirally arranged around the peripheral side wall of the guide pipe (11).

5. The historic building door head structure of claim 2, wherein: an accommodating groove (15) is formed in one side, located outside the yard, of the middle bearing part (7), and the accommodating groove (15) is parallel to the thickness direction of the wall body (1); the picking mechanism (5) comprises a bearing plate (23) connected to the middle bearing part (7), a picking rod (24) fixedly connected to the bearing plate (23) and used for providing support for the house swallow nest building, and a driving assembly used for driving the picking rod (24) to move away from or close to the accommodating groove (15); when the picking rod (24) extends out of the accommodating groove (15), the supporting plate (23) shields the accommodating groove (15), and when the picking rod (24) retracts into the accommodating groove (15), the supporting plate (23) is attached to one side, close to the inside of the yard, of the accommodating groove (15).

6. The historic building door head structure of claim 5, wherein: a moving groove (22) is formed in the groove wall at the bottom end of the accommodating groove (15), and the moving groove (22) is arranged in parallel to the thickness direction of the wall body (1); the driving assembly comprises a lead screw (32) and a driving motor (33), the lead screw (32) is coaxially arranged in the moving groove (22) in a penetrating mode, the lead screw (32) is connected with the pop-out rod (24) through a moving block (34), the moving block (34) is coaxially sleeved and screwed on the lead screw (32), the moving block (34) is close to the inside of the yard, and one end of the lead screw (32) is located in the yard; the driving motor (33) is fixedly connected to one side of the middle bearing part (7) in the yard.

7. The historic building door head structure of claim 6, wherein: the upper surface of one end of the picking rod (24) departing from the bearing plate (23) is fixedly connected with a vertical stop lever (25); one side, located outside the yard, of the middle bearing part (7) is hinged with a baffle (16), the baffle (16) vertically rotates relative to the wall body (1), and the baffle (16) is arranged corresponding to the accommodating groove (15); when the baffle (16) is attached to the wall body (1), the baffle (16) shields the accommodating groove (15).

8. The historic building door head structure of claim 7, wherein: the top end of the stop lever (25) is fixedly connected with a horizontal rod (27), two ends of the horizontal rod (27) are fixedly connected with abutting parts (28), and one side of each abutting part (28) departing from the bearing plate (23) is arranged in an arc-shaped protruding manner; one side of the abutting part (28) departing from the bearing plate (23) abuts against the baffle plate (16); an anti-falling rod (29) is connected between the middle part of the horizontal rod (27) and the baffle (16), one end of the anti-falling rod (29) is hinged to the horizontal rod (27), and the other opposite end of the anti-falling rod is connected to the baffle (16); baffle (16) are close to butt portion (28) have one side to correspond the anticreep board and seted up spacing spout (19), anticreep pole (29) deviate from the one end slip of horizontal pole (27) and articulate in spacing spout (19).

9. The historic building door head structure of claim 8, wherein: the guide groove (21) is formed in the groove wall of the accommodating groove (15), the guide groove (21) is parallel to the moving groove (22), the bearing plate (23) is fixedly connected with a guide block (26) matched with the guide groove (21), and the guide block (26) is connected into the guide groove (21) in a sliding mode.