CN220644991U

CN220644991U - Drawknot piece

Info

Publication number: CN220644991U
Application number: CN202322228890.9U
Authority: CN
Inventors: 王宝祥; 胡佳星; 王禄; 汪宏刚; 李振; 梁新江; 樊永霞; 赵璐; 赵军
Original assignee: Tangshan Huaxian Technology Co ltd
Current assignee: Tangshan Huaxian Technology Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-22
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a drawknot piece, which relates to the technical field of building wall structural members and comprises a drawknot rod, wherein an outer gland is arranged at the outer end of the drawknot rod, a connecting sleeve is sleeved on the drawknot rod, a rectangular clamping block is connected to the outer wall of the connecting sleeve, which is close to one end of the outer gland, hooks are arranged on two sides of the rectangular clamping block in the length direction, the hooks deviate from the outer gland, and an inner gland is clamped on the outer wall of the connecting sleeve, which is far away from one end of the outer gland. The utility model can limit the steel wire net frame on the outer side of the heat preservation layer in the plane direction, avoid dislocation movement between the steel wire net frame and the heat preservation layer, avoid cracking of the outer vertical surface of the wall body, and effectively improve the structural strength of the wall body.

Description

Drawknot piece

Technical Field

The utility model relates to the technical field of building wall structural members, in particular to a drawknot member.

Background

The disassembly-free composite heat-insulating outer template is used as an outer template for pouring a wall body, and after the wall body is poured and molded, the composite heat-insulating outer template and the cast-in-place concrete wall body are integrated without being disassembled.

As shown in fig. 1, the main structure of the composite heat-insulating outer template comprises a single-layer steel wire net frame 10, a heat-insulating layer 11 and a drawknot piece, wherein the structure of the drawknot piece mainly comprises a drawknot rod 1, an outer gland 2 and an inner gland 5, and the outer gland 2 and the inner gland 5 jointly clamp the middle single-layer steel wire net frame 10 and the heat-insulating layer 11; the outer end of the tie rod 1 is fixedly connected with the outer gland 2, and the inner end of the tie rod 1 penetrates through the single-layer steel wire net frame 10, the heat preservation layer 11 and the inner pressure cover 5 and then is connected with a steel reinforcement framework of cast-in-place concrete.

Because the mesh of individual layer steel wire rack is greater than the drawknot pole far away, the drawknot pole can not form effectual spacing to the steel wire rack, when the wall body terminal surface receives external force extrusion, the steel wire net can take place dislocation removal between the heated board probably, and then leads to the outer facade fracture of wall body.

Disclosure of Invention

Based on the above problems, the present utility model aims to provide a drawknot member, which adopts the following technical scheme:

the utility model provides a drawknot piece, which comprises a drawknot rod, wherein an outer gland is arranged at the outer end of the drawknot rod, a connecting sleeve is sleeved on the drawknot rod, a rectangular clamping block is connected to the outer wall of one end, close to the outer gland, of the connecting sleeve, hooks are arranged on two sides of the rectangular clamping block in the length direction, the hooks deviate from the outer gland, and an inner gland is clamped on the outer wall, far away from one end of the outer gland, of the connecting sleeve.

Preferably, a round table is arranged at the joint of the outer gland and the drawknot rod, a flaring is arranged at one end of the connecting sleeve, which is close to the outer gland, and the inner wall of the flaring is connected with the outer wall of the round table through a first clamping structure.

Preferably, the tie rod is provided with a plastic coating in the region of the tie rod which is matched with the connecting sleeve.

Preferably, the inner pressure cover comprises a pressure cover sleeve, an inner pressure plate is arranged on the outer wall of the pressure cover sleeve, and the inner wall of the pressure cover sleeve is connected with the outer wall of the connecting sleeve through a second clamping structure.

Compared with the prior art, the utility model has the beneficial technical effects that:

the utility model can limit the steel wire net frame on the outer side of the heat preservation layer in the plane direction, avoid dislocation movement between the steel wire net frame and the heat preservation layer, avoid cracking of the outer vertical surface of the wall body, and effectively improve the structural strength of the wall body.

Drawings

The utility model is further described with reference to the following description of the drawings.

FIG. 1 is a schematic diagram of a structure in which a conventional disassembly-free composite heat-insulating outer template is fixed by a drawknot;

FIG. 2 is a schematic cross-sectional view of a drawknot in accordance with an embodiment of the present utility model;

FIG. 3 is an exploded view of a drawknot assembly according to a first embodiment of the utility model;

FIG. 4 is a schematic diagram illustrating the installation and use of a drawknot member according to a first embodiment of the present utility model;

FIG. 5 is a schematic view of a rectangular fixture block and a wire mesh in accordance with a first embodiment of the present utility model;

fig. 6 is a schematic diagram of a rectangular fixture block matching with a mesh of a steel wire in the second embodiment of the present utility model.

Reference numerals illustrate: 1. a drawknot rod; 2. an outer gland; 3. connecting sleeves; 301. flaring; 4. a rectangular clamping block; 401. a hook body; 5. an inner gland; 501. a cover sleeve is pressed; 502. an inner pressure plate; 6. round bench; 7. a first clamping structure; 8. a plastic cladding; 9. a second clamping structure; 10. single-layer steel wire net rack; 11. a heat preservation layer;

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments.

Example 1

As shown in fig. 2 and 3, the embodiment discloses a drawknot member, which comprises a drawknot rod 1, wherein an outer gland 2 is arranged at the outer end of the drawknot rod 1, a connecting sleeve 3 is sleeved on the drawknot rod 1, a rectangular clamping block 4 is connected on the outer wall close to one end of the outer gland 2, hook bodies 401 are arranged on two side edges of the rectangular clamping block in the length direction, the hook bodies 401 deviate from the outer gland, and an inner pressure cover 5 is clamped on the outer wall far away from one end of the outer gland 2 by the connecting sleeve 3.

The outer gland 2, the connecting sleeve 3, the rectangular clamping block 4 and the inner gland 5 are all plastic parts, and the connecting sleeve 3 and the rectangular clamping block 4 are integrally injection molded. The tie rod 1 is a steel bar rod made of metal, and the outer gland 2 is injection-molded at the outer end of the tie rod 1.

In this embodiment, a round table 6 is disposed at the connection between the outer gland 2 and the drawknot rod 1, the round table 6 is integrally formed on the outer gland 2, a flared opening 301 is disposed at one end of the connecting sleeve 3, which is close to the outer gland 2, and the inner wall of the flared opening 301 is connected with the outer wall of the round table 6 through a first clamping structure 7. The first clamping structure 7 can take many forms. In this embodiment, an annular protrusion is disposed on the outer wall of the circular truncated cone 6, and an annular groove is disposed on the inner wall of the flared opening 301, and after the circular truncated cone 6 is inserted into the flared opening 301, the annular protrusion is clamped in the annular groove.

In this embodiment, the tie rod 1 is injection molded with a plastic coating 8 in the region of engagement with the connecting sleeve 3. The plastic cladding 8 is connected with the round table 6 and is integrally formed with the round table 6.

In this embodiment, the inner gland 5 includes a gland bush 501, an inner pressure plate 502 is disposed on an outer wall of the gland bush 501, and an inner wall of the gland bush 501 is connected with an outer wall of the connecting sleeve 3 through a second clamping structure 9. The second clamping structure 9 can have various forms. In this embodiment, an annular protrusion is disposed on the outer wall of the inner end of the connecting sleeve 3, an annular groove is disposed on the inner wall of the gland bush 501, and after the end of the connecting sleeve 3 is inserted into the gland bush 501, the annular protrusion is clamped in the annular groove.

As known in the art, the single-layer wire mesh frame 10 is formed by stacking crisscrossed transverse wires and longitudinal wires and then welding the stacked transverse wires and longitudinal wires. The diameters of the transverse wires and the longitudinal wires are generally about 3mm, and the mesh size of the single-layer wire mesh frame 10 is generally 50mm×50mm.

As shown in fig. 4 and 5, the transverse wires of the single-layer steel wire mesh frame 10 in the present embodiment are tightly attached to the heat insulation layer 11, and when the present utility model is used, the connecting sleeve 3 is clamped with the inner pressure cover 5 after penetrating through the preformed hole on the heat insulation layer 11, the rectangular clamping block 4 at the outer end of the connecting sleeve 3 is clamped in the single-layer steel wire mesh frame 10, specifically, the rectangular clamping block 4 is clamped between two longitudinal wires of the single-layer steel wire mesh frame 10 in the width direction, and simultaneously, two hook bodies 401 in the length direction of the rectangular clamping block 4 are hooked on two transverse wires of the single-layer steel wire mesh frame 10. And then the inner end of the tie rod 1 passes through the connecting sleeve 3 and is fixed on the steel reinforcement framework of the wall body, and the cast-in-place concrete of the area surrounded by the pouring template can be formed in the later period. The outer gland 2 at the outer end of the drawknot rod 1 is propped against the single-layer steel wire net frame 10. Later stage can lay the net cloth and carry out the construction of plastering on individual layer steel wire rack 10.

Example two

As shown in fig. 6, in this embodiment, the longitudinal wires of the single-layer steel wire mesh frame 10 are tightly attached to the heat insulation layer 11, and when the utility model is in use, the rectangular clamping block 4 is clamped between two transverse wires of the single-layer steel wire mesh frame 10 in the width direction, and at the same time, two hook bodies 401 of the rectangular clamping block 4 in the length direction are hooked on the two longitudinal wires of the single-layer steel wire mesh frame 10. The rest of the structure in this embodiment is the same as in the first embodiment.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. The utility model provides a drawknot spare, includes drawknot pole (1), the outer end of drawknot pole (1) is provided with outer gland (2), its characterized in that: the connecting sleeve (3) is sleeved on the drawknot rod (1), a rectangular clamping block (4) is connected to the outer wall, close to one end of the outer gland (2), of the connecting sleeve (3), the connecting sleeve (3) and the rectangular clamping block (4) are formed by integral injection molding, hook bodies (401) are arranged on two side edges of the rectangular clamping block (4) in the length direction, the hook bodies (401) deviate from the outer gland (2), and an inner pressure cover (5) is clamped on the outer wall, far away from one end of the outer gland (2), of the connecting sleeve (3);

the rectangular clamping block (4) is clamped between two longitudinal wires of the single-layer steel wire net rack (10) in the width direction, and meanwhile, the two hook bodies (401) in the length direction of the rectangular clamping block (4) are hooked on two transverse wires of the single-layer steel wire net rack (10);

or, the width direction of the rectangular clamping block (4) is clamped between two transverse wires of the single-layer steel wire net rack (10), and simultaneously, the two hook bodies (401) in the length direction of the rectangular clamping block (4) are hooked on two longitudinal wires of the single-layer steel wire net rack (10).

2. A drawknot member according to claim 1, wherein: the connecting sleeve (3) is provided with a flaring (301) at one end close to the outer gland (2), and the inner wall of the flaring (301) is connected with the outer wall of the round table (6) through a first clamping structure (7).

3. A drawknot member according to claim 1, wherein: the tie rod (1) is provided with a plastic cladding (8) in the region matched with the connecting sleeve (3).

4. A drawknot member according to claim 1, wherein: the inner pressure cover (5) comprises a pressure cover sleeve (501), an inner pressure plate (502) is arranged on the outer wall of the pressure cover sleeve (501), and the inner wall of the pressure cover sleeve (501) is connected with the outer wall of the connecting sleeve (3) through a second clamping structure (9).