CN217602185U - Protection device for entrance to a cave is reserved to floor rectangle - Google Patents
Protection device for entrance to a cave is reserved to floor rectangle Download PDFInfo
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- CN217602185U CN217602185U CN202221519190.4U CN202221519190U CN217602185U CN 217602185 U CN217602185 U CN 217602185U CN 202221519190 U CN202221519190 U CN 202221519190U CN 217602185 U CN217602185 U CN 217602185U
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- hook
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Abstract
The utility model provides a protective device for a rectangular reserved opening on a floor, which comprises a cover plate and two connecting rod pieces with U-shaped cross sections; a first connecting structure for fixing the floor slab at the reserved hole is arranged on the first side edge of the connecting rod piece; when the connecting rod piece is used, the first side ends of the two connecting rod pieces in the length direction are respectively and fixedly connected with a floor slab at one group of paired angles of the reserved hole, the second side ends of the two connecting rod pieces are respectively arranged on the floor slab at the other group of paired angles of the reserved hole, the two connecting rod pieces are parallel to each other, and the U-shaped openings are oppositely arranged; the cover plate is arranged between the U-shaped bottom surfaces of the two connecting rod pieces, and the cover plate is fixedly connected with the corresponding connecting rod pieces through second connecting structures. The utility model discloses can improve the convenience that carries out safety protection and set up to the floor reservation entrance to a cave, the device has simple structure, preparation convenience and reuse's advantage simultaneously, can reduce construction cost.
Description
Technical Field
The utility model relates to a construction installation technical field especially relates to a protector at entrance to a cave is reserved to floor rectangle.
Background
In the design and construction process of modern civil buildings, because a plurality of subsequent equipment installation or pipelines need to penetrate through the floor, an installation hole needs to be reserved at the position in the construction process of the civil building floor in the previous period. The protective cover plate is horizontally protected and fixed at the reserved hole in order to avoid safety accidents caused by falling of personnel or objects from the reserved hole in the period of time from the time of reserving the hole to the time of installation and construction. The fixing mode of the protective cover plate for the reserved hole in the existing construction is to fix the cover plate and the floor by using expansion screws, the fixing mode of the method is troublesome, the construction efficiency is low, and the removed material cannot be reused, so that resource waste is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a protector of entrance to a cave is reserved to floor rectangle to improve and reserve the convenience that the entrance to a cave carried out safety protection and set up to the floor, the device has simple structure, preparation convenience and reuse's advantage simultaneously, can reduce construction cost.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a protective device for a rectangular reserved opening of a floor comprises a cover plate and two connecting rod pieces, wherein the cross sections of the connecting rod pieces are U-shaped;
a first connecting structure for fixing the floor slab at the reserved hole is arranged on the first side edge of the connecting rod piece;
when the connecting rod piece is used, the first side ends of the two connecting rod pieces in the length direction are respectively and fixedly connected with a floor slab at one group of paired angles of the reserved hole, the second side ends of the two connecting rod pieces are respectively arranged on the floor slab at the other group of paired angles of the reserved hole, the two connecting rod pieces are parallel to each other, and the U-shaped openings are oppositely arranged; the cover plate is arranged between the U-shaped bottom surfaces of the two connecting rod pieces, and the cover plate is fixedly connected with the corresponding connecting rod pieces through second connecting structures.
When the protective device for the rectangular reserved floor opening is used, first side ends of two connecting rod pieces are fixedly connected with a floor slab at one group of diagonal angles of the reserved opening respectively, and second side ends of the two connecting rod pieces are arranged on the floor slab at the other group of diagonal angles of the reserved opening respectively; in the fixing process, the two connecting rod pieces are parallel to each other, the U-shaped openings are oppositely arranged, and then a cover plate is arranged between the U-shaped bottom surfaces of the two connecting rod pieces; adopt second connection structure to fix the apron and be connected the member at last and can accomplish the device's installation, two connection members form a whole with the apron after the installation, cover and reserve the entrance to a cave and fix on the floor of reserving entrance to a cave department, can prevent effectively that constructor or article from reserving the entrance to a cave and dropping the one deck down, lead to personnel's injury or property impaired, pull down protective cover plate and two connection members after the construction is accomplished, can carry out used repeatedly again. From this, above-mentioned protector that entrance to a cave was reserved to floor rectangle can improve and reserve the convenience that the entrance to a cave carries out safety protection to the floor, and simultaneously, above-mentioned device has simple structure, preparation convenience and reuse's advantage, can reduce construction cost.
Further, the first connecting structure is an L-shaped hook, and the L-shaped hook comprises a hook arm and a hook anchoring section; the top end face of the hook arm is fixedly connected with the outer side face of the first side edge, and the bottom of the hook arm is fixedly connected with the hook anchoring section.
Furthermore, the top end face of the hook arm is fixedly connected with the outer side face of the end part of the first side edge, one end of the hook anchoring section is fixedly connected with the bottom of the hook arm, and the end face of the other end of the hook anchoring section is in the same plane with the end face of the first side end.
Furthermore, the length of the hook anchoring section is more than or equal to 100mm.
Furthermore, the distance between the top end face of the hook anchoring section and the outer side face of the first side edge is equal to the thickness of the floor slab at the reserved hole.
Further, when the device is used, the distance between the end face of the second side end and the reserved hole is larger than or equal to 100mm.
Furthermore, the second connecting structure comprises a connecting hole and a screw which are arranged on the second side edge of the connecting rod piece in a penetrating mode.
Furthermore, the second connecting structures are arranged in a plurality along the length direction of the connecting rod piece. Therefore, the stability of the fixed connection of the cover plate and the connecting rod piece can be ensured.
Furthermore, a strip-shaped connecting piece is arranged on the U-shaped bottom surface of the connecting rod piece, and the distance between the bottom end surface of the strip-shaped connecting piece and the inner side surface of the first side edge is larger than or equal to the thickness of the cover plate.
Furthermore, the connecting rod piece is a channel steel. Therefore, the device of the utility model has the advantage of convenient material drawing.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses the device has simple structure and assembles convenient advantage, can improve the convenience that carries out safety protection and set up to the floor reservation entrance to a cave.
2. The utility model discloses install fixed mounting back first connection structure and reserve the floor of entrance to a cave diagonal department and fix and link to each other, the apron after the installation is fixed neither can the translation, also can not rotate, and the apron is fixed firm, and safety protection nature is high.
3. The utility model discloses the device has convenient for material collection, cost of manufacture low and reuse's advantage, can reduce construction cost.
Drawings
Fig. 1 is a top view of an installation structure of a rectangular reserved floor opening protection device in an embodiment of the present invention;
fig. 2 is a schematic structural view of a connection rod member according to an embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a cross-sectional view taken at B-B in fig. 1.
In the figure: 1. a cover plate; 2. connecting rod pieces; 21. a first side edge; 22. a second side edge; 23. a first side end; 24. a second side end; 25. a U-shaped bottom surface; 3. a floor slab; 4. a first connecting structure; 41. a hook arm; 42. a hook anchoring section; 5. a second connecting structure; 51. a screw; 6. a strip-shaped connecting piece.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence with the upper, lower, left and right directions of the drawings, and do not limit the structure.
As shown in fig. 1-4, the protection device for a rectangular reserved floor opening of the present embodiment comprises a cover plate 1 and two connecting rods 2 with a U-shaped cross section. The cover plate 1 is a wood plywood with the thickness of 18 mm. The connecting rod piece 2 is a channel steel, and the model of the channel steel is 5# channel steel (50mm 37mm). The length of the channel steel is 1200mm.
And a first connecting structure 4 fixed with the floor slab 3 at the reserved hole is arranged on the first side 21 of the connecting rod piece 2. The length of the long edge of the reserved hole in the embodiment is 1000mm. The thickness of the floor slab 3 at the reserved hole is 120mm. During the use, two connecting rod piece 2 length direction's first side 23 respectively with reserve the entrance to the floor of corner department is fixed continuous, two connecting rod piece 2's second side 24 is arranged in respectively on reserving the entrance to the floor of corner department of another pair of corner department of entrance to the hole, two connecting rod piece 2 is parallel to each other. The cover plate 1 is arranged between the U-shaped bottom surfaces 25 of the two connecting rod pieces 2, and the cover plate 1 is fixedly connected with the corresponding connecting rod pieces 2 through the second connecting structures 5.
As shown in fig. 2, the first connecting structure 4 is an L-shaped hook comprising a hook arm 41 and a hook anchoring section 42. The top end surface of the hook arm 41 is fixedly connected with the outer side surface of the first side 21, and the bottom of the hook arm 41 is fixedly connected with the hook anchoring section 42. The top end face of the hook arm 41 is fixedly connected with the outer side face of the end portion of the first side edge 21, one end of the hook anchoring section 42 is fixedly connected with the bottom of the hook arm 41, and the end face of the other end of the hook anchoring section is in the same plane with the end face of the first side edge 23. The L-shaped hook is made by bending phi 10 round steel. The length of the hanger arm 41 is 130mm. The length of the hook anchoring section 42 is 100mm.
The U-shaped bottom surface 25 of the connecting rod piece 2 is provided with a strip-shaped connecting piece 6. The strip-shaped connecting piece 6 is phi 10 round steel. The distance between the bottom end face of the strip-shaped connecting piece 6 and the inner side face of the first side edge 21 is 23mm.
As shown in fig. 3-4, the second connecting structure 5 includes a connecting hole and a screw 51 penetrating the second side 22 of the connecting rod 2. The screw 51 is a wood screw. The second connecting structures 5 are provided in plurality along the length direction of the connecting rod 2. The distance between two adjacent connecting structures 5 is 200mm. Therefore, the stability of the fixed connection of the cover plate and the connecting rod piece can be ensured.
As shown in fig. 4, after the installation and fixation, the distance between the end surface of the second side end 24 and the reserved hole is 100mm.
When the protector of entrance to a cave is reserved to floor rectangle of this embodiment uses, at first with the first side of two connecting rod spare respectively with reserve the floor of an entrance to group diagonal fixedly continuous, the second side of two connecting rod spare is arranged in respectively on the floor of another group diagonal of reservation entrance to the group diagonal. In the fixing process, the two connecting rod pieces are parallel to each other, the U-shaped openings are oppositely arranged, and then the cover plate is arranged between the U-shaped bottom surfaces of the two connecting rod pieces. And finally, fixing the cover plate and the connecting rod pieces by adopting a second connecting structure to complete the installation of the device, wherein the two connecting rod pieces and the cover plate form a whole after installation, and the whole covers the reserved hole and is fixed on a floor slab at the reserved hole, so that the condition that constructors or objects fall to the next floor from the reserved hole to cause personal injury or property damage can be effectively prevented. After construction, the protective cover plate and the two connecting rods are detached and can be reused.
The protection device of entrance to a cave is reserved to floor rectangle of this embodiment has simple structure and the convenient advantage of equipment, can improve and reserve the convenience that the entrance to a cave carried out safety protection and set up to the floor. The fixed mounting back of the device of this embodiment first connection structure and the floor of reserving entrance to a cave diagonal department are fixed continuous, and the apron after the installation is fixed neither can the translation, also can not rotate, and the apron is fixed firm, and safety protection nature is high. The device of this embodiment has convenient, the cost of manufacture is low and reuse's advantage of drawing materials, can reduce construction cost.
The above embodiments are set forth so that the present invention may be more clearly illustrated and not intended to limit the scope of the present invention, and after reading the present invention, it will be understood that modifications of various equivalent forms of the present embodiments by those skilled in the art will fall within the scope of the present invention defined by the appended claims.
Claims (10)
1. A protective device for a rectangular reserved opening of a floor comprises a cover plate (1) and is characterized by further comprising two connecting rod pieces (2) with U-shaped cross sections;
a first connecting structure (4) fixed with the floor (3) at the reserved hole is arranged on the first side edge (21) of the connecting rod piece (2);
when the connecting rod piece is used, the first side ends (23) of the two connecting rod pieces (2) in the length direction are respectively and fixedly connected with a floor slab at one group of paired angles of the reserved hole, the second side ends (24) of the two connecting rod pieces (2) are respectively arranged on the floor slab at the other group of paired angles of the reserved hole, and the two connecting rod pieces (2) are parallel to each other and the U-shaped openings are oppositely arranged; the cover plate (1) is arranged between the U-shaped bottom surfaces (25) of the two connecting rod pieces (2), and the cover plate (1) is fixedly connected with the corresponding connecting rod pieces (2) through second connecting structures (5).
2. A protection device for a rectangular reserved floor opening according to claim 1, wherein the first connecting structure (4) is an L-shaped hook, and the L-shaped hook comprises a hook arm (41) and a hook anchoring section (42); the top end face of the hook arm (41) is fixedly connected with the outer side face of the first side edge (21), and the bottom of the hook arm (41) is fixedly connected with the hook anchoring section (42).
3. A protection device for a floor rectangular reserved hole according to claim 2, characterized in that the top end face of the hook arm (41) is fixedly connected with the outer side face of the end part of the first side edge (21), one end of the hook anchoring section (42) is fixedly connected with the bottom of the hook arm (41), and the end face of the other end of the hook anchoring section and the end face of the first side end (23) are in the same plane.
4. A protection device for a rectangular reserved floor opening according to claim 3, characterized in that the length of the hooking and anchoring section (42) is more than or equal to 100mm.
5. A floor rectangular reserved hole protection device according to claim 2, characterized in that the distance between the top end surface of the hook anchoring section (42) and the outer side surface of the first side edge (21) is equal to the thickness of the floor at the reserved hole.
6. A protection device for a rectangular reserved floor opening according to claim 1, wherein the distance between the end surface of the second side end (24) and the reserved opening is more than or equal to 100mm when in use.
7. A floor rectangular pre-cut hole protection device according to claim 1, characterized in that the second connecting structure (5) comprises a connecting hole and a screw (51) through the second side (22) of the connecting rod (2).
8. A floor rectangular pre-opening protection device according to claim 7, characterized in that a plurality of second connecting structures (5) are arranged along the length direction of the connecting rod member (2).
9. A floor rectangular reserved hole protection device according to claim 1, characterized in that a strip-shaped connecting piece (6) is arranged on the U-shaped bottom surface (25) of the connecting rod piece (2), and the distance between the bottom end surface of the strip-shaped connecting piece (6) and the inner side surface of the first side edge (21) is greater than or equal to the thickness of the cover plate (1).
10. A protection device for a rectangular pre-cut floor opening according to any of claims 1-9, characterized in that said connecting rods (2) are channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519190.4U CN217602185U (en) | 2022-06-17 | 2022-06-17 | Protection device for entrance to a cave is reserved to floor rectangle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221519190.4U CN217602185U (en) | 2022-06-17 | 2022-06-17 | Protection device for entrance to a cave is reserved to floor rectangle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217602185U true CN217602185U (en) | 2022-10-18 |
Family
ID=83589198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221519190.4U Active CN217602185U (en) | 2022-06-17 | 2022-06-17 | Protection device for entrance to a cave is reserved to floor rectangle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217602185U (en) |
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2022
- 2022-06-17 CN CN202221519190.4U patent/CN217602185U/en active Active
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