CN219887557U - Combined reserved hole die box - Google Patents

Abstract

The utility model provides a combined type reserved hole die box, which is formed by connecting an end box body and at least one main box body in series, wherein an assembly structure is arranged between the end box body and the main box body and between the adjacent main box bodies, and the die box with five closed faces and one open face is formed after assembly. During construction, the number of the joints of the box body can be freely combined and adjusted in the length direction, the combined box is reversely buckled and fixed on a preset position of the aluminum template, then casting concrete is filled in a cavity of the aluminum template, the aluminum template is removed after the concrete is solidified, and a reserved hole can be formed only by knocking out all the combined box.

Description

Combined reserved hole die box

Technical Field

The utility model relates to the technical field of building construction, in particular to a combined type reserved hole die box.

Background

When the building house is used for manufacturing the concrete floor slab, a reserved hole needs to be formed in a preset position so that a bridge, a water pipe, an electric wire, a gas pipe, an air conditioning pipeline and the like can penetrate through the floor slab. At present, when rectangular reserved holes are formed, a floor cavity is usually built by using templates such as aluminum templates at the reinforcing steel bar binding stage, then rectangular wooden boxes are fixed at preset positions of the aluminum templates through fasteners such as bolts, then pouring concrete is filled in the aluminum template cavity, the aluminum templates are removed after the concrete is solidified, and then the reserved holes can be formed by completely knocking out the wooden boxes. In the construction, reserved holes with different sizes are required to be formed for adapting to the sizes of different through pipes, and wood boxes with proper sizes adapting to the reserved hole sizes can be nailed out by cutting wood boards on site; or prefabricated wood boxes with different specifications and sizes are adopted, but the existing wood boxes have fewer specifications and types, and cannot flexibly adapt to the actual reserved hole size requirement.

Disclosure of Invention

The utility model provides a combined reserved hole die box with simple and reasonable structure, which can change the length of the die box by freely combining the number of the box body sections so as to flexibly adapt to different reserved hole sizes, improve the construction efficiency and reduce the cost.

The technical scheme adopted by the utility model has the following beneficial effects:

a combined type reserved hole die box is formed by connecting an end box body and at least one main box body in series, and an assembly structure is arranged between the end box body and the main box body and between the adjacent main box bodies, so that a die box with five closed faces and one open face is formed after assembly.

During construction, the number of the joints of the box body can be freely combined and adjusted in the length direction, the combined box is reversely buckled and fixed on a preset position of the aluminum template, then casting concrete is filled in a cavity of the aluminum template, the aluminum template is removed after the concrete is solidified, and a reserved hole can be formed only by knocking out all the combined box.

As a further improvement of the above technical scheme:

the end box body is a long ladder cylindrical box body with an open top surface, the front side surface and the rear side surface are reverse trapezoids, and the edge of the opening of the top surface extends outwards to form a first flanging; the main box body is a long oblique cylindrical box body with an open top surface and a left side surface, the front side surface and the rear side surface are parallelograms, and the edge of the opening of the top surface extends outwards to form a second flanging; the width and the height of the end box body are the same as those of the main box body, and the inclination angle of the trapezoid base angle is the same as that of the parallelogram; the top of the assembled die box is provided with an opening, a plurality of fixing holes are arranged on the first flanging and the second flanging at the periphery of the opening, and the periphery and the bottom surface of the die box are continuous and closed. The end box body is tightly matched and connected with the main box body, and the assembled die box passes through the fixing holes of the flanging to be screwed and positioned through fasteners such as bolts.

The assembly structure comprises a matching surface respectively arranged on the end box body and the main box body, two first guide grooves and two second guide grooves which are positioned at the front edge and the rear edge of the main box body, and guide bars which are arranged on the side vertical edges of the opening part of the main box body and matched with the guide grooves. The guide bar of the main box body can slide in the first guide groove of the end box body and the second guide groove of the main box body, after the die box is assembled, the guide bar of the main box body is clamped into the first guide groove of the end box body, and the guide bar of the next main box body is clamped into the second guide groove of the main box body of the section.

The U-shaped guide bar is characterized in that two symmetrically arranged L-shaped first guide grooves and two symmetrically arranged L-shaped second guide grooves are respectively recessed towards the end box body and the inner cavity of the main box body, the first guide grooves and the second guide grooves are respectively opened at the bottom end and closed at the top end, the U-shaped guide bar openings of the two symmetrically arranged main box bodies are all outward, the bottom end and the top end of the guide bar are all open, after the die box is assembled, the U-shaped outer side faces of the guide bar are tightly matched with the L-shaped inner side faces of the first guide grooves, and ribs at the front edge and the rear edge of the right side of the end box body are clamped into the U-shaped inner side faces of the guide bar. The guide bar of the box body is convenient to clamp into the first notch and the second notch and can slide in the first guide groove and the second guide groove.

The top end of the main box body is propped against the first flanging of the end box body, and the top end of the next main box body is propped against the second flanging of the main box body. After assembly, the first flanging of the end box body is tightly matched with the notch of the box body, and the second flanging of the box body is tightly matched with the notch of the next box body.

The first flanging is enclosed to be a mouth shape, the second flanging is U-shaped, the second flanging at the front side and the rear side of the top surface is provided with a section of notch at the position close to the left opening, the length of the notch is equal to the width of the first flanging, after the die box is assembled, the first flanging is tightly matched with the notch, and the second flanging of the section is tightly matched with the notch of the next section. After assembly, the flanging at the peripheral edges of the top surface of the die box is continuous and closed, so that the end head and each side of the top surface of the box body can be tightly installed on the aluminum die plate, and the end head and each side of the top surface of each section of the box body can pass through the first flanging and the second turnup fixing holes through bolts and other fasteners to be tightly installed on the aluminum die plate, thereby preventing leakage into the reserved hole die box in the cement pouring process.

The assembly structure also comprises a bottom matching structure, namely a step arranged at the edges of the bottom surfaces of the end box body and the main box body and a convex edge matching structure of the bottom surfaces of the adjacent main box bodies. The end box body and the right edge of the bottom surface of the main box body are provided with a first step surface and a second step surface, the left side edge of the bottom surface of the main box body is outwards extended to be provided with a convex edge, the width of the convex edge is equivalent to that of the step surface, the thickness of the convex edge is equivalent to that of the step surface, and the convex edge and the depth of the step surface are tightly matched to form a flat bottom surface of the die box. The chimb of box body can with the first step face of end, the second step face close fit of box body, when guaranteeing that the box body is connected with the end, equal bottom surface flushes when two adjacent box body are connected, the chimb of box body and first guide slot bottom end lateral surface, the chimb of next section box body and the second guide slot bottom end lateral surface close fit of this section box body, thereby realize the end and box body, the closure of two adjacent box body bottom surfaces, avoid cement to go into the die box from the clearance in, chimb and first step face, the joint cooperation of second step face, play the effect of strengthening rib, can further increase the intensity of end and box body, two adjacent box body bottom junction, avoid the constructor to step on the fracture when on the die box.

The horizontal surfaces of the first step surface and the second step surface are respectively provided with a plurality of first holes and second holes; the left side edge of the bottom surface of the main box body is provided with a plurality of bulges which are correspondingly arranged with the first open hole and the second open hole, after the die box is assembled, the bulges of the main box body are clamped into the first open hole, and the bulges of the next main box body are clamped into the second open hole of the main box body of the section. The left end of the bottom surface of the box body is provided with a plurality of bulges which are correspondingly arranged with the first opening of the end head and the second opening of the upper box body, and the bulges are clamped into the first opening and the second opening and can be limited by one progress, so that the bulges are prevented from falling out of the first opening and the second opening.

The assembly structure comprises a bayonet arranged on the matching surface of the end box body and the main box body, and a clamping hook structure which is arranged on the side vertical edge of the opening of the main box body and matched with the bayonet. After the die box is assembled, the clamping hooks of the main box body are clamped into the bayonets of the end box bodies, and the clamping hooks of the next main box body are clamped into the bayonets of the main box body of the section.

Drawings

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

FIG. 2 is a top view of the present utility model;

FIG. 3 is a bottom view of the utility model;

FIG. 4 is a front view of the present utility model;

FIG. 5 is a cross-sectional view of A-A of FIG. 4;

fig. 6 is a right side view of the end box 1;

FIG. 7 is a cross-sectional view of B-B of FIG. 6;

fig. 8 is a right side view of the main casing 2;

fig. 9 is a cross-sectional view of C-C of fig. 8.

In the figure: 1. an end box; 11. a first flanging; 12. a first step surface; 13. a first opening; 14. a first guide groove; 15. a first notch; 2. a main case; 21. a second flanging; 22. a second step surface; 23. a second opening; 24. a second guide groove; 25. a second notch; 26. a conducting bar; 27. a protrusion; 28. a convex edge; 3. And a fixing hole.

Detailed Description

The following describes specific embodiments of the present utility model with reference to the drawings. For convenience of explanation, rectangular coordinate system is introduced, the length direction of the spliced die box is defined as the X axis, the width direction of the die box is defined as the Y axis, and the depth/height direction of the die box is defined as the Z axis.

As shown in fig. 1 to 5, the combined type reserved hole die box of the utility model is formed by combining a plurality of main box bodies 2 which are connected in series along the X-axis (length) direction and end box bodies 1 at the end parts, and assembling structures are arranged between two adjacent main box bodies 2 and between the main box bodies 2 and the end box bodies 1. The width and the height of the end box body 1 and the main box body 2 are the same, and the length of the die box can be changed by freely combining the number of the nodes of the main box body 2, so that the die box can flexibly adapt to the requirements of different reserved hole sizes.

Embodiment one:

in this embodiment, the assembly structure includes a guide groove provided on the mating surface of the end case 1 and the main case 2, and a guide bar structure provided on the side vertical edge of the opening of the main case 2 and mating with the guide groove.

As shown in fig. 1 to 5, the end box body 1 is a long ladder-shaped box body with an open top surface and a basically closed bottom surface, the left side surface and the right side surface of the end box body 1 in the X direction have draft angles, as shown in fig. 1 and 4, the front side surface and the rear side surface are vertical inverted trapezoid surfaces, and the left side surface and the right side surface are inclined rectangular planes. The edge of the opening of the top surface of the end box body 1 extends outwards horizontally to form a first flanging 11, the first flanging 11 is enclosed to form a 'mouth', and a plurality of fixing holes 3 are formed in the first flanging 11.

As shown in fig. 3 to 5, two L-shaped first guide grooves 14 are formed on the right side surface (mating surface) of the end box body 1 and located at the front and rear edges thereof, the two first guide grooves 14 are concaved towards the inner cavity of the end box body 1 and symmetrically arranged, a first notch 15 at the bottom end of the first guide groove 14 is open, the top end is closed, the opening of the first guide groove 14 is gradually enlarged from the top to the bottom of the end box body 1, so that a guide bar 26 of the main box body 2 is conveniently clamped into the first notch 15 and smoothly slides in the first guide groove 14, and the top end of the main box body 2 abuts against the first flanging 11 after the assembly is completed, so that the limit can be realized. The bottom surface of the end box body 1 is in a step shape, and a plurality of first holes 13 are formed in a horizontal first step surface 12 between two first notch 15 at the right edge of the bottom surface.

As shown in fig. 1 to 5, 8 and 9, the main case 2 is a long oblique cylindrical case with an open top surface and left side surface, and the remaining four sides are closed. The right side of the main box body 2 in the X direction is provided with a draft angle, the front side and the rear side are parallelograms, the right side is a rectangular plane (matching surface), the right side of the end box body 1 is parallel to the left edge and the right side of the main box body 2, and therefore the end box body 1 and the main box body 2 can be tightly matched and connected.

As shown in fig. 1 to 4, the three sides of the top opening edge of the main box body 2 except the left side edge extend horizontally outwards to form a second flanging 21, and the second flanging 21 is in a U shape and is provided with a plurality of fixing holes 3. The second turnup 21 that is located two limit departments before the top surface, back all has a section breach in being close to left side opening part department, and the length of breach is equivalent with the width of first turnup 11, and when tip box body 1 and main box body 2 series connection, first turnup 11 and breach close fit to first turnup 11, second turnup 21 are with the open-ended each edge of die box top surface enclose after the assembly jointly, and each limit of top surface all accessible fastener such as bolt passes fixed orifices 3 closely to be installed on the aluminium template, prevent that cement from leaking into in the reservation hole die box in-process of pouring.

As shown in fig. 8 and 9, two vertical edges of the opening on the left side surface of the main box body 2 are provided with U-shaped guide bars 26, the two guide bars 26 are symmetrically arranged and open outwards, and the bottom end and the top end of each guide bar 26 are both open, so that the guide bars 26 can be clamped into the first guide groove 14 or the second guide groove 24 of the matching surface of the adjacent box body, and when the end box body 1 and the main box body 2 are assembled, as shown in fig. 1, the U-shaped outer side surface of each guide bar 26 is tightly matched with the L-shaped inner side surface of the first guide groove 14, and ribs at the front and rear edges of the right side surface of the end box body 1 are clamped into the U-shaped inner side surface of each guide bar 26.

As shown in fig. 1 and 2, the left side edge of the bottom surface of the main box body 2 is provided with a plurality of protrusions 27 corresponding to the first holes 13 of the end box body 1, the protrusions 27 can be clamped into the first holes 13 to limit the progress, mushroom heads can be arranged at the tops of the protrusions 27, the buckling strength is improved, and the protrusions 27 are prevented from falling out of the first holes 13. As shown in fig. 5, 8 and 9, the left side edge of the bottom surface of the main box body 2 extends outwards to form a convex edge 28, the width and the thickness of the convex edge 28 are equal to those of the first step surface 12 of the end box body 1, the length of the convex edge 28 is equal to that of the outer side surfaces of the bottom ends of the two first guide grooves 14 of the end box body 1, the convex edge 28 is tightly matched with the first step surface 12, so that the end box body 1 and the bottom surface of the main box body 2 are sealed, the main box body 2 and the bottom surface of the end box body 1 are flush, cement is prevented from entering a die box from a gap, meanwhile, the convex edge 28 and the first step surface 12 are matched together to play a role of reinforcing ribs, the strength of the joint of the bottom of the end box body 1 and the bottom of the main box body 2 can be further increased, and the constructor is prevented from being broken when stepping on the die box.

As shown in fig. 1 to 3, two second guide grooves 24 and second notches 25 which are completely identical with the first guide groove 14 and the second notch 25 of the end box body 1 are correspondingly formed on the right side surface (matching surface) of the main box body 2, the bottom surface of the main box body 2 is in a step shape which is completely identical with the end box body 1, a plurality of second holes 23 are formed on the horizontal second step surface 22 between the right side edge of the bottom surface of the main box body 2 and the two second notches 25 corresponding to the protrusions 27, when two adjacent sections of main box bodies 2 are connected in series, the guide strip 26 of the next section of main box body 2 is clamped into the second guide groove 24 of the main box body 2 of the next section, the convex edge 28 of the next section of main box body 2 is tightly matched with the second step surface 22 of the main box body 2 of the next section, and the protrusions 27 of the main box body 2 of the next section of main box body 2 are clamped into the second holes 23 of the main box body 2 of the next section of main box body, and the second flanging 21 of the next section of main box body is tightly matched with the gaps of the next section.

During actual construction, the length of the die box can be freely combined and adjusted by increasing the number of the joints of the main box body 2 in the length direction, the combined die box is reversely buckled on a preset position of the aluminum template, and the die box passes through the fixing holes 3 through bolts and other fasteners to be screwed and positioned, then pouring concrete is filled in the cavity of the aluminum template, the aluminum template is removed after the concrete is solidified, a reserved hole can be formed by only totally knocking out the combined die box, the die box is made of one-time injection molding materials, and the original wood box is replaced, so that the national energy-saving and environment-friendly requirements are responded, the wood consumption is reduced, and the construction cost is saved. The width and the height of the reserved holes in the same project are not changed, so that the die boxes are not assembled in a combined mode in the width and height directions, and if reserved holes with different widths and heights are needed, die box groups with different widths and height specifications can be directly combined.

Embodiment two:

in this embodiment, the assembly structures between two adjacent sections of the main box body 2 and between the main box body 2 and the end box body 1 are bayonet and hook matching structures, that is, the assembly structures include bayonet arranged on the matching surface of the end box body 1 and the main box body 2, and hook structures matched with the bayonet and arranged on the side vertical edges of the opening of the main box body 2.

Embodiment III:

in this embodiment, the left and right sides of the end box 1 and the main box 2 are vertical surfaces, no inclination exists, and the guide groove and the guide bar are vertically in sliding fit.

The foregoing description is illustrative of the present utility model, and is made in terms of front, rear, left, right, upper, lower, etc., for convenience of understanding only, and is not to be construed as limiting the utility model, as the utility model may be modified in any manner without departing from the spirit of the utility model.

Claims (10)

1. A modular reservation hole die box which characterized in that: the novel plastic box is formed by splicing an end box body (1) and at least one main box body (2) in series, wherein an assembly structure is arranged between the end box body (1) and the main box body (2) and between the adjacent main box bodies (2), and a five-face closed and one-face open die box is formed after assembly.

2. The modular pre-formed cavity mold according to claim 1, wherein: the end box body (1) is a long ladder-shaped box body with an open top surface, the front side surface and the rear side surface are reverse trapezoids, and the edge of the opening of the top surface extends outwards to form a first flanging (11); the main box body (2) is a long oblique cylindrical box body with an open top surface and a left side surface, the front side surface and the rear side surface are parallelograms, and the edge of the opening of the top surface extends outwards to form a second flanging (21); the width and the height of the end box body (1) are the same as those of the main box body (2), and the inclination angle of the trapezoid base angle is the same as that of the parallelogram; the top of the assembled die box is opened, a plurality of fixing holes (3) are arranged on the first flanging (11) and the second flanging (21) on the periphery of the opening, and the periphery and the bottom surface of the die box are continuous and closed.

3. The modular pre-formed cavity mold according to claim 1, wherein: the assembly structure comprises a matching surface respectively arranged on the end box body (1) and the main box body (2), two first guide grooves (14) and second guide grooves (24) arranged at the front edge and the rear edge of the main box body, and guide bars (26) arranged on the side vertical edges of the opening part of the main box body (2) and matched with the guide grooves.

4. A modular pre-formed cavity as defined in claim 3, wherein: the U-shaped guide bars (26) are opened outwards, the bottom ends and the top ends of the guide bars (26) are opened, after the die box is assembled, the U-shaped outer side faces of the guide bars (26) are tightly matched with the L-shaped inner side faces of the first guide grooves (14), and the ribs at the front and rear edges of the right side face of the end box (1) are clamped into the U-shaped inner side faces of the guide bars (26).

5. A modular pre-formed cavity as defined in claim 3, wherein: the top end of the main box body (2) is propped against the first flanging (11) of the end box body (1) after the die box is assembled, and the top end of the next main box body (2) is propped against the second flanging (21) of the main box body (2).

6. A modular pre-formed cavity as defined in claim 2, wherein: the first flanging (11) is enclosed to be the mouth shape, the second flanging (21) is U-shaped, the second flanging (21) that are located two limit departments before the top surface, back all have a section breach in being close to left side opening part department, and the length of breach is equivalent with the width of first flanging (11), after the die box assembly, first flanging (11) with breach close fit, this section second flanging (21) with next section breach close fit.

7. The modular pre-formed cavity mold according to claim 1, wherein: the assembly structure also comprises a bottom matching structure, namely a step arranged at the edges of the bottom surfaces of the end box body (1) and the main box body (2) and a convex edge (28) of the bottom surface of the adjacent main box body (2) are matched.

8. The modular pre-formed cavity of claim 7, wherein: the end box body (1) and the right edge of the bottom surface of the main box body (2) are provided with a first step surface (12) and a second step surface (22), the left side edge of the bottom surface of the main box body (2) extends outwards to form a convex edge (28), the width of the convex edge (28) is equivalent to that of the step surface, the thickness of the convex edge (28) is equivalent to that of the step surface, and a flat bottom surface of the die box is formed after the convex edge (28) is tightly matched with the depth of the step surface.

9. The modular pre-formed cavity mold of claim 8, wherein: a plurality of first holes (13) and second holes (23) are respectively formed in the horizontal planes of the first step surface (12) and the second step surface (22); the left edge of the bottom surface of the main box body (2) is provided with a plurality of bulges (27) which are arranged corresponding to the first opening (13) and the second opening (23), after the die box is assembled, the bulges (27) of the main box body (2) are clamped into the first opening (13), and the bulges (27) of the next main box body (2) are clamped into the second opening (23) of the main box body (2).

10. The modular pre-formed cavity mold according to claim 1, wherein: the assembly structure comprises a bayonet arranged on the matching surface of the end box body (1) and the main box body (2), and a clamping hook structure which is arranged on the side vertical edge of the opening part of the main box body (2) and matched with the bayonet.