Hollow floor system core mold

By designing a limiting buckle and sliding guide groove structure for the hollow floor slab core mold, the problems of inconvenient docking and offset of traditional plastic floor slab core molds were solved, achieving precise positioning and stability of the template.

CN223952232UActive Publication Date: 2026-02-27CCCC JUNPU CONSTR TECH (SHANGHAI) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520585574.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-02-27
Estimated Expiration
2035-03-31

AI Technical Summary

Technical Problem

Traditional plastic floor slab core molds need to be fixed during connection and are prone to displacement, causing inconvenience in construction.

Method used

A hollow floor slab core mold was designed, comprising an upper mold cover and a lower mold cover. The mold is positioned precisely for connection by a combination of limiting buckles, sliding guide grooves and springs, and the reinforcing bars are fixed by reinforcing bar slots and binding straps to prevent displacement.

Benefits of technology

It achieves precise positioning of template docking and prevents core mold displacement, improving the convenience and stability of construction.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223952232U_ABST
    Figure CN223952232U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of floor mandrels, in particular to a hollow floor mandrel which comprises a mandrel body, the mandrel body comprises an upper die cover and a lower die cover, connecting base plates are installed at the ends of the upper die cover and the lower die cover, limiting buckles are installed on the upper surfaces of the connecting base plates located on the lower die cover, and lower inserting holes are formed in the limiting buckles. An inserting groove is formed in the connecting base plate located on the upper die cover, a sliding guide groove is formed in the inner side wall of the inserting groove, a limiting baffle is arranged in the inserting groove, sliding guide blocks are installed at the positions, located in the sliding guide groove, of the two ends of the limiting baffle, and an upper inserting hole is formed in the limiting baffle. The whole limiting baffle is pulled from the inserting groove to the outer side, after a limiting buckle located above a connecting base plate on the outer side of the lower die cover penetrates through the inserting groove, the whole limiting baffle moves under the reset effect of a spring after the acting force on the limiting baffle is released, and the whole limiting baffle can be clamped below the limiting buckle; and neat butt joint of the lower mold cover and the upper mold cover is ensured.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to a floor core formwork field, concretely is a kind of hollow floor core formwork. BACKGROUND

[0002] Hollow floor core formwork is a kind of inner formwork material for cast-in-place reinforced concrete hollow floor construction, it is placed in reinforced concrete in the construction process, after concrete pouring is completed and reaches certain strength, core formwork can be removed or permanently left in concrete, to form hollow structure, hollow floor core formwork is an important component in cast-in-place reinforced concrete hollow floor, and its main role is to form the cavity in floor, to reduce structural deadweight, increase floor stiffness, improve sound insulation effect, wherein plastic core formwork has the characteristics of light weight, high strength and corrosion resistance, and can be quickly installed and used.

[0003] However, the plastic floor core formwork needs to be fixed when butting, and the traditional connection by shooting nails is relatively inconvenient, and butt offset may occur. INVENTION CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a hollow floor core formwork, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical scheme: a kind of hollow floor core formwork, including core formwork, the core formwork includes: upper die cover, lower die cover, the end of the upper die cover and the lower die cover is equipped with connecting pad, the upper surface of the connecting pad on the lower die cover is equipped with limit buckle, lower insertion hole is set in the inside of the limit buckle, insertion slot is set in the inside of the connecting pad on the upper die cover, sliding guide slot is set in the inner side wall of the insertion slot, limit baffle is arranged in the inside of the insertion slot, sliding guide block is mounted in the inside of the sliding guide slot at the both ends of the limit baffle, spring is connected between the sliding guide block and the sliding guide slot, upper insertion hole is set in the inside of the limit baffle.

[0006] As a further scheme of the utility model: the upper surface of the upper die cover is equipped with reinforcement slot, and the both sides of the reinforcement slot are provided with perforations penetrating through the upper surface of the upper die cover.

[0007] As a further scheme of the utility model: the upper surface of the upper die cover is arrayed with anti-skid lines, and the inside of the lower die cover is equipped with conical reinforcing cylinder.

[0008] As a further scheme of the utility model: the limit buckle is L-shaped structural member, and the limit baffle is slidably connected with the sliding guide slot through the sliding guide block.

[0009] As a further scheme of the utility model: the inner diameter size length of the upper and lower insertion holes is same, the connecting pad plate is fixedly connected with the upper and lower mold covers.

[0010] As a further scheme of the utility model: the inside of the perforation is provided with a binding belt.

[0011] As a further scheme of the utility model: the inside of the upper and lower mold covers is hollow structure.

[0012] As a further scheme of the utility model: the anti-skid line is fixedly connected with the upper mold cover, and the outer diameter size of the upper and lower mold covers is same.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] 1, the limiting baffle is integrally pulled from the inside of the insertion slot to the outside, the limiting buckle above the connecting pad plate outside the lower mold cover is passed from the inside of the insertion slot, then the limiting baffle is moved under the reset action of the spring when the action force on the limiting baffle is loosened, the limiting baffle is clamped below the limiting buckle, and the butt joint of the lower mold cover and the upper mold cover is guaranteed.

[0015] 2, the steel bar clamping groove above the upper mold cover can limit the steel bar above the hollow floor, and the binding belt inside the perforation can be bound with the steel bar, so that the displacement of the core mold is avoided, and the core mold is not displaced after pouring concrete. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of a hollow floor core mold;

[0017] Figure 2 It is a partial enlarged view of the upper mold cover in a hollow floor core mold;

[0018] Figure 3 It is a structure schematic view of the lower mold cover in a hollow floor core mold;

[0019] Figure 4 It is a top view of the core mold in a hollow floor core mold;

[0020] Figure 5 It is a sectional view of the core mold in a hollow floor core mold.

[0021] In the drawing: 1, core mold; 2, upper mold cover; 3, lower mold cover; 4, connecting pad plate; 5, steel bar clamping groove; 6, anti-skid line; 7, perforation; 8, binding belt; 301, tapered reinforcing cylinder; 401, insertion slot; 402, sliding guide groove; 403, spring; 404, limiting baffle; 405, upper insertion hole; 406, sliding guide block; 407, limiting buckle; 408, lower insertion hole. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0023] As shown in the figure, Figures 1-5 The hollow floor system core mold provided by the embodiment comprises a core mold 1, and the core mold 1 comprises an upper mold cover 2 and a lower mold cover 3. The inside of the upper mold cover 2 and the lower mold cover 3 is a hollow structure. A connecting pad plate 4 is mounted at the end of the upper mold cover 2 and the lower mold cover 3. The connecting pad plate 4 is fixedly connected with the upper mold cover 2 and the lower mold cover 3. A limiting buckle 407 is mounted on the upper surface of the connecting pad plate 4 located on the lower mold cover 3. The limiting buckle 407 is an L-shaped structural member. A lower insertion hole 408 is arranged in the inside of the limiting buckle 407. An insertion slot 401 is arranged in the inside of the connecting pad plate 4 located on the upper mold cover 2. A sliding guide groove 402 is arranged on the inner side wall of the insertion slot 401. A limiting baffle 404 is arranged in the inside of the insertion slot 401. Sliding guide blocks 406 are mounted in the inside of the sliding guide groove 402 at the two ends of the limiting baffle 404. The limiting baffle 404 is slidingly connected with the sliding guide groove 402 through the sliding guide blocks 406. A spring 403 is connected between the sliding guide blocks 406 and the sliding guide groove 402. An upper insertion hole 405 is arranged in the inside of the limiting baffle 404. The inner diameter size of the upper insertion hole 405 is the same as that of the lower insertion hole 408.

[0024] As shown in the figure, Figures 2-3 In the embodiment, a reinforcing bar clamping groove 5 is arranged on the upper surface of the upper mold cover 2. Perforations 7 are arranged on the upper surface of the upper mold cover 2 at the two sides of the reinforcing bar clamping groove 5. Binding belts 8 are arranged in the inside of the perforations 7. Anti-skid lines 6 are arranged on the upper surface of the upper mold cover 2 in an array. The anti-skid lines 6 are fixedly connected with the upper mold cover 2. The outer diameter size of the upper mold cover 2 and the lower mold cover 3 is the same. A conical reinforcing cylinder 301 is mounted in the inside of the lower mold cover 3.

[0025] The working principle of the utility model is: in use, first, the binding belt 8 is passed through the inside of the perforation 7, then the upper die cover 2 and the lower die cover 3 are butt-jointed into the core mold 1, the limiting baffle 404 is pulled out from the inside of the slot 401 to the outside as a whole, so that the sliding guide block 406 moves in the inside of the sliding guide slot 402 while pulling the spring 403 to stretch, after the limiting buckle 407 above the connecting pad plate 4 outside the lower die cover 3 is passed through the inside of the slot 401, the limiting baffle 404 is loosened, the limiting baffle 404 moves under the reset action of the spring 403, the limiting baffle 404 as a whole is clamped into the below of the limiting buckle 407, the lower insertion hole 408 on the limiting buckle 407 and the upper insertion hole 405 on the limiting baffle 404 coincide, then the limiting pin can be inserted into the inside of the lower insertion hole 408 and the upper insertion hole 405, the assembled core mold 1 is placed in the installed position, the steel bar clamping groove 5 above the upper die cover 2 can limit the steel bar above the hollow floor, at the same time, the binding belt 8 in the inside of the perforation 7 can be bound with the steel bar, the displacement of the core mold 1 can be avoided, and the core mold 1 will not be displaced after pouring concrete.

[0026] It should be noted that, in this document, the terms "first", "second", and so on are used only to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between the entities or operations, and the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed, or further includes elements inherent to such process, method, article or equipment.

[0027] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A hollow floor core formwork comprising a core formwork (1), characterized in that, The core mold (1) comprises an upper mold cover (2) and a lower mold cover (3), the end of the upper mold cover (2) and the end of the lower mold cover (3) are provided with a connecting pad plate (4), the upper surface of the connecting pad plate (4) on the lower mold cover (3) is provided with a limiting buckle (407), the inside of the limiting buckle (407) is provided with a lower insertion hole (408), the inside of the connecting pad plate (4) on the upper mold cover (2) is provided with an insertion slot (401), the inner side wall of the insertion slot (401) is provided with a sliding guide groove (402), the inside of the insertion slot (401) is provided with a limiting baffle (404), the both ends of the limiting baffle (404) are provided with a sliding guide block (406) in the inside of the sliding guide groove (402), the sliding guide block (406) and the sliding guide groove (402) are connected with a spring (403), and the inside of the limiting baffle (404) is provided with an upper insertion hole (405).

2. A core module for a hollow floor deck according to claim 1, wherein The upper surface of the upper mold cover (2) is provided with a reinforcing bar slot (5), and the both sides of the reinforcing bar slot (5) are provided with a through hole (7) penetrating through the upper surface of the upper mold cover (2).

3. A core module for a hollow floor deck according to claim 1, wherein The upper surface of the upper mold cover (2) is provided with an anti-skid line (6), and the inside of the lower mold cover (3) is provided with a conical reinforcing cylinder (301).

4. A core module according to claim 1, wherein, The limiting buckle (407) is an L-shaped structural member, and the limiting baffle (404) is slidably connected with the sliding guide block (406) and the sliding guide groove (402).

5. A core module according to claim 1, wherein, The inner diameter size of the upper insertion hole (405) and the lower insertion hole (408) is the same, and the connecting pad plate (4) is fixedly connected with the upper mold cover (2) and the lower mold cover (3).

6. A hollow floor core form according to claim 2, wherein, The inside of the through hole (7) is provided with a binding belt (8).

7. A core module according to claim 1, wherein, The inside of the upper mold cover (2) and the lower mold cover (3) is a hollow structure.

8. A core module according to claim 3, wherein, The anti-skid line (6) is fixedly connected with the upper mold cover (2), and the outer diameter size of the upper mold cover (2) and the lower mold cover (3) is the same. The inside of the through hole (7) is provided with a binding belt (8). The inside of the upper mold cover (2) and the lower mold cover (3) is a hollow structure. The anti-skid line (6) is fixedly connected with the upper mold cover (2), and the outer diameter size of the upper mold cover (2) and the lower mold cover (3) is the same.