CN212926516U

CN212926516U - Fireproof structure of building deformation joint

Info

Publication number: CN212926516U
Application number: CN202021066912.6U
Authority: CN
Inventors: 许国庆; 蒋芳军
Original assignee: Jiangsu Wenbo Architectural Design Co ltd
Current assignee: Jiangsu Wenbo Architectural Design Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-04-09
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a fireproof structure of building movement joint, which relates to the technical field of movement joint structure and is helpful to solve the technical problem of movement joint fire prevention, and comprises a cover plate for shielding the movement joint and fireproof rock wool positioned in the movement joint, wherein the wall surface of the movement joint is provided with an elastic fixing structure for fixing the fireproof rock wool; the elastic fixing structure comprises a U-shaped elastic sheet and a pair of elastic supporting sheets, the U-shaped elastic sheet is positioned on one surface, far away from the cover plate, of the fireproof rock wool, and the elastic supporting sheets are positioned on one surface, close to the cover plate, of the fireproof rock wool; and two sides of the U-shaped elastic sheet and the elastic supporting sheet are respectively fixed in the wall bodies at two sides of the deformation joint. Can be with the reliable fixing of fire prevention rock wool in the movement joint through U type shell fragment and elastic support piece, have the effect of effective fire prevention.

Description

Fireproof structure of building deformation joint

Technical Field

The utility model belongs to the technical field of the movement joint structure technique and specifically relates to a fire resistive construction of building movement joint is related to.

Background

At present, in high-rise buildings and large-volume buildings, due to the reasons of temperature, settlement, shock resistance and the like, gaps are usually reserved at certain positions, and the gaps divide the buildings into a plurality of independent parts of structures, namely deformation joints which are generally called.

Chinese patent that bulletin number is CN204609029U discloses a fire prevention structure of building movement joint department, including U shaped steel board, fire prevention rock wool and fire prevention apron, U shaped steel board be located the movement joint, and the both wings upper end of U shaped steel board has the connecting plate to extend to both sides respectively, two connecting plates link firmly respectively on the reinforced concrete slab of movement joint both sides, the bottom at U shaped steel board is laid to fire prevention rock wool, the top of locating fire prevention rock wool of fire prevention apron.

The above prior art solutions have the following drawbacks: although the fireproof structure at the deformation joint of the building is low in cost, the U-shaped steel plate consists of two side plates parallel to the wall body and a bottom plate vertical to the wall body, and due to the fact that the strength of the steel plate is high, when the temperature of the wall bodies on the two sides of the deformation joint is high in summer and expands, extrusion force is generated on the bottom plate, weather is cold in winter, the wall body contracts due to cold, the anti-fatigue strength of the bottom plate is easily reduced due to expansion caused by heat and contraction caused by cold of the wall body, the time is long, cracks are easily generated on the bottom plate, and the fireproof effect is.

SUMMERY OF THE UTILITY MODEL

According to the not enough of prior art existence, the utility model aims at providing a fire resistive construction of building movement joint when the conflagration breaing out, blocks external conflagration through the fire prevention rock wool, has the effect of stretching towards the indoor of reduction conflagration.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a fireproof structure of a building deformation joint comprises a cover plate for shielding the deformation joint and fireproof rock wool positioned in the deformation joint, wherein an elastic fixing structure for fixing the fireproof rock wool is arranged on the wall surface of the deformation joint;

the elastic fixing structure comprises a U-shaped elastic sheet and a pair of elastic supporting sheets, the U-shaped elastic sheet is positioned on one surface, far away from the cover plate, of the fireproof rock wool, and the elastic supporting sheets are positioned on one surface, close to the cover plate, of the fireproof rock wool;

and two sides of the U-shaped elastic sheet and the elastic supporting sheet are respectively fixed in the wall bodies at two sides of the deformation joint.

Through adopting above-mentioned technical scheme, when the conflagration breaing out, block external conflagration through the fire prevention rock wool, reduce the conflagration and spread towards indoor. Fix the fire prevention rock wool through U type shell fragment, because the wall body receives expend with heat and contract with cold's principle, winter, the width of the movement joint between two wall bodies is great, summer, the width of the movement joint between two wall bodies will diminish because of the inflation of wall body, because U type shell fragment has elasticity, the wall body is when expend with heat and contract with cold, and U type shell fragment can stretch or contract through the elasticity of self. U type shell fragment can be fixed one side of fire prevention rock wool, and the elastic support piece can be fixed the opposite side of fire prevention rock wool, consequently can be with the reliable fixing of fire prevention rock wool in the movement joint through U type shell fragment and elastic support piece, has the effect of effective fire prevention.

The present invention may be further configured in a preferred embodiment as: the side, far away from the fireproof rock wool, of the U-shaped elastic sheet is provided with a fire retardant belt, and the two sides of the fire retardant belt are respectively fixed inside the wall bodies on the two sides of the deformation joint.

Through adopting above-mentioned technical scheme, the setting in back-fire relief area can be protected U type shell fragment to it is life to improve U type shell fragment.

The present invention may be further configured in a preferred embodiment as: the elastic support sheet comprises a fixed hook close to one side of the fireproof rock wool, and the fixed hook is fixedly inserted into the fireproof rock wool;

stepped grooves are formed in the wall bodies on the two sides of the deformation joint, close to one surface of the cover plate, and the cover plate is located in the stepped grooves;

and a second fixing plate is arranged on one side, away from the fixing hook, of each elastic supporting sheet, and an expansion bolt is fixedly inserted between each second fixing plate and the U-shaped elastic sheet.

Through adopting above-mentioned technical scheme, fix the fire prevention rock wool through the fixed hook, then say through expansion bolts that the fixed hook is reliable fixes in the inside of wall body, can make the fire prevention rock wool fixed more reliable between the movement joint. The ladder groove sets up, can be convenient for fixed hook's fixed to indirect fixes the fire prevention rock wool.

The present invention may be further configured in a preferred embodiment as: the fixed hook is provided with the backup pad towards the one side of wall body, backup pad and wall body lateral wall butt.

Through adopting above-mentioned technical scheme, the area of contact between fixed hook and the wall body can be increased in the setting of backup pad to make the reliable fixing of fixed hook on the wall body.

The present invention may be further configured in a preferred embodiment as: and one side of each of the two elastic supporting pieces, which is close to the second fixing piece, is fixedly provided with a U-shaped piece, the two U-shaped pieces are respectively positioned on the opposite side walls of the two elastic supporting pieces, and a wavy elastic rubber panel is clamped inside the two U-shaped pieces.

Through adopting above-mentioned technical scheme, the setting of elasticity rubber panel can adapt to the expend with heat and contract with cold of wall body to reliably fix the fixed hook.

The present invention may be further configured in a preferred embodiment as: and fixing barbs are respectively arranged at the joints of the U-shaped sheet and the elastic rubber panel.

Through adopting above-mentioned technical scheme, the setting of fixed barb can be with fixed more reliable between elasticity rubber panel and the U type piece.

The present invention may be further configured in a preferred embodiment as: and sealing strips are respectively arranged on two sides of the cover plate close to the wall body.

Through adopting above-mentioned technical scheme, the setting of sealing strip can seal between apron and the movement joint, slows down that external conflagration spreads to indoorly, perhaps reduces that external rainwater gets into indoorly.

The present invention may be further configured in a preferred embodiment as: and a fireproof blocking layer is arranged between the cover plate and the elastic rubber panel.

Through adopting above-mentioned technical scheme, the fire prevention blocking layer can play and protect the elastic rubber panel, reduces the injury that the conflagration caused the elastic rubber panel.

The present invention may be further configured in a preferred embodiment as: the surface layer of the fireproof rock wool is bonded with a damp-proof aluminum foil.

Through adopting above-mentioned technical scheme, the water-absorbing capacity of fire prevention rock wool is good, and unnecessary water can pile up in the inside of fire prevention rock wool, increases the bearing of fire prevention rock wool, and consequently the setting of dampproofing aluminium foil can reduce inside water gets into fire prevention rock wool to the life of extension fire prevention rock wool.

To sum up, the utility model discloses a following at least one useful technological effect:

1. through the arrangement of the U-shaped elastic sheet and the elastic support sheet, the wall body can adapt to expansion with heat and contraction with cold through the elasticity of the wall body, so that the fireproof rock wool is effectively protected, and the effective fireproof effect is achieved;

2. the U-shaped sheet and the elastic rubber panel are arranged, so that the effect of reliably fixing the fixing hook can be achieved;

3. through the setting of dampproofing aluminium foil, can reduce inside water gets into the fire prevention rock wool, play the effect with the life of extension fire prevention rock wool.

Drawings

Fig. 1 is a schematic view of the overall structure of a fireproof structure of a deformation joint.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

In the figure, 1, deformation joint; 11. a stepped groove; 2. a cover plate; 3. fireproof rock wool; 31. a moisture-proof aluminum foil; 4. an elastic fixing structure; 41. a U-shaped elastic sheet; 411. a first fixing sheet; 42. an elastic support sheet; 421. a fixed hook; 422. a second fixing sheet; 423. a support plate; 424. a U-shaped sheet; 5. a fire retardant belt; 51. a third fixing sheet; 6. an expansion bolt; 7. an elastic rubber panel; 71. fixing barbs; 72. a fixed block; 8. a sealing strip; 9. a fireproof blocking layer; 10. a wall body.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, the utility model discloses a fire resistive construction of building movement joint, include to have seted up movement joint 1 on wall body 10, seted up ladder groove 11 on the wall body 10 of movement joint 1 both sides, ladder groove 11 is seted up on the wall body 10's wall, is equipped with fire prevention rock wool 3 at 1 inside cards of movement joint, bonds on fire prevention rock wool 3's top layer and has dampproofing aluminium foil 31. The two sides of the fireproof rock wool 3, which are not abutted against the wall body, are respectively provided with an elastic fixing structure 4 for fixing the fireproof rock wool 3, and the elastic fixing structure 4 comprises a U-shaped elastic sheet 41 and a pair of elastic support sheets 42. One side that ladder groove 11 was kept away from to fire prevention rock wool 3 sets up to the arcwall face, and U type shell fragment 41 laminates with the arcwall face of fire prevention rock wool 3. First fixing pieces 411 are respectively extended from two sides of the U-shaped elastic piece 41, and the two first fixing pieces 411 are respectively fixedly inserted into the wall 10. Two elastic support pieces 42 are respectively positioned on two sides of the fireproof rock wool 3 at the same side, one side of each elastic support piece 42 departing from extends to be provided with a second fixing piece 422, the second fixing pieces 422 are attached to the bottom surface of the stepped groove 11, and the second fixing pieces 422 and the wall body 10 are fixed through expansion bolts 6.

Referring to fig. 2, the elastic support sheet 42 includes a fixing hook 421, and the fixing hook 421 extends into a surface of the fireproof rock wool 3 near the stepped groove 11, so that the fireproof rock wool 3 is hooked by the fixing hook 421. A support plate 423 is disposed on a surface of the fixing hook 421 facing the wall 10, the support plate 423 abuts against a sidewall of the wall 10, and the support plate 423 can generate a supporting force for the fixing hook 421 to increase a pressure receiving force of the fixing hook 421. Be provided with the cross-section in two elastic support pieces 42 and be close to the one side in ladder groove 11 and establish into corrugated elastic rubber panel 7, fix in the relative one side of two fixed hooks 421 and be provided with U type piece 424, the both ends of elastic rubber panel 7 are provided with fixed block 72 respectively, correspond two fixed blocks 72 respectively and insert and establish inside U type piece 424, be provided with a plurality of fixed barbs 71 respectively on the surface of fixed block 72 and the internal face of U type piece 424, fixed barb 71 on the fixed block 72 and the mutual joint of fixed barb 71 of U type piece 424 internal face, in order to fix elastic rubber panel 7.

Referring to fig. 1, a fireproof sealing layer 9 is fixedly arranged on a stepped groove 11, the fireproof sealing layer 9 covers an elastic rubber panel 7, an cover plate 2 is fixedly arranged on the fireproof sealing layer 9, and sealing strips 8 for sealing the cover plate 2 and a wall body 10 are fixedly arranged on two sides of the cover plate 2.

Referring to fig. 1, a fire retardant belt 5 for protecting the U-shaped elastic sheet 41 is arranged on one side, away from the fireproof rock wool 3, of the U-shaped elastic sheet 41, third fixing sheets 51 are respectively arranged on two sides of the fire retardant belt 5 in an extending manner, and the two third fixing sheets 51 are respectively fixedly inserted into the wall 10 on two sides of the deformation joint 1. The expansion bolt 6 is arranged on the second fixing plate 422 in a penetrating manner, then penetrates through the wall body 10 and is arranged on the first fixing plate 411 and the third fixing plate 51 in a penetrating manner in sequence, and therefore the elastic support sheet 42, the U-shaped elastic sheet 41 and the fire retardant belt 5 are fixed on the wall body 10.

The implementation principle of the above embodiment is as follows: firstly, the elastic support sheet 42 and the fireproof rock wool 3 are fixed to each other, and secondly, the elastic support sheet 42 and the fireproof rock wool 3 are clamped in the deformation joint 1, and the second fixing piece 422 on the elastic support sheet 42 is fixed to the bottom surface of the stepped groove 11. One side of the fireproof rock wool 3, which is far away from the elastic support sheet 42, is supported by the U-shaped elastic sheet 41, and the first fixing sheets 411 on the two sides of the U-shaped elastic sheet 41 are fixedly inserted into the wall 10. And the fire retardant belt 5 is arranged on one surface of the U-shaped elastic sheet 41 and is attached to the U-shaped elastic sheet 41, and the elastic support sheet 42, the U-shaped elastic sheet 41 and the fire retardant belt 5 are fixed on the wall 10 through the expansion bolts 6. Finally, the elastic rubber panel 7, the fireproof plugging layer 9, the cover plate 2 and the sealing strip 8 are sequentially arranged on the elastic supporting sheet 42 respectively.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a fire resistive construction of building movement joint, is including apron (2) that are used for shielding movement joint (1) and fire prevention rock wool (3) that are located movement joint (1), its characterized in that: the wall surface of the deformation joint (1) is provided with an elastic fixing structure (4) for fixing the fireproof rock wool (3);

the elastic fixing structure (4) comprises a U-shaped elastic sheet (41) and a pair of elastic support sheets (42), the U-shaped elastic sheet (41) is located on one surface, far away from the cover plate (2), of the fireproof rock wool (3), and the elastic support sheets (42) are located on one surface, close to the cover plate (2), of the fireproof rock wool (3);

the two sides of the U-shaped elastic sheet (41) and the elastic support sheet (42) are respectively fixed inside the wall bodies (10) at the two sides of the deformation joint (1).

2. A fire protection construction for a construction deformation joint according to claim 1, wherein: one side, far away from fireproof rock wool (3), of the U-shaped elastic sheet (41) is provided with a fire retardant belt (5), and two sides of the fire retardant belt (5) are fixed inside wall bodies (10) on two sides of the deformation joint (1) respectively.

3. A fire protection construction for a construction deformation joint according to claim 2, wherein: the elastic support sheet (42) comprises a fixed hook (421) close to one side of the fireproof rock wool (3), and the fixed hook (421) is fixedly inserted into the fireproof rock wool (3);

stepped grooves (11) are formed in one surfaces, close to the cover plate (2), of the wall bodies (10) on the two sides of the deformation joint (1), and the cover plate (2) is located in the stepped grooves (11);

each elastic support piece (42) is provided with a second fixing piece (422) on one side far away from the fixing hook (421), and an expansion bolt (6) is fixedly inserted between the second fixing piece (422) and the U-shaped elastic piece (41).

4. A fire protection construction for a construction deformation joint according to claim 3, wherein: one surface of the fixed hook (421) facing the wall body (10) is provided with a supporting plate (423), and the supporting plate (423) is abutted against the side wall of the wall body (10).

5. A fire stopping construction for a construction deformation joint as defined in claim 4, wherein: two one side that elastic support piece (42) are close to second stationary blade (422) is fixed and is provided with U type piece (424), two U type piece (424) are located two relative lateral walls of elastic support piece (42) respectively, two U type piece (424) inside card is equipped with corrugated elastic rubber panel (7).

6. A fire stopping construction for a construction deformation joint as defined in claim 5, wherein: and fixing barbs (71) are respectively arranged at the joints of the U-shaped sheet (424) and the elastic rubber panel (7).

7. A fire protection construction for a construction deformation joint according to claim 1, wherein: and sealing strips (8) are respectively arranged on two sides of the cover plate (2) close to the wall body (10).

8. A fire stopping construction for a construction deformation joint as defined in claim 5, wherein: and a fireproof blocking layer (9) is arranged between the cover plate (2) and the elastic rubber panel (7).

9. A fire stopping construction for a construction deformation joint as claimed in claim 8, wherein: the surface layer of the fireproof rock wool (3) is bonded with a moistureproof aluminum foil (31).