CN213927514U

CN213927514U - Plug for two end parts of oppositely-pulling screw rod of building template

Info

Publication number: CN213927514U
Application number: CN202022416216.XU
Authority: CN
Inventors: 丁昭琳
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-08-10
Anticipated expiration: 2030-10-27

Abstract

The utility model discloses an end cap for building templates is to drawing screw rod both ends, including protruding type end cap and concave type end cap, the utility model discloses to drawing the protruding type end cap that the screw rod designed under dismantling the state is used, to drawing the concave type end cap that the screw rod designed under not dismantling the state and using. The utility model solves the problem that the mortar of the concrete leaks along the two ends of the counter-pull screw, is convenient for the disassembly of the template and lightens the workload of the secondary cleaning of the counter-pull screw; the utility model discloses select for use the elastic material preparation, but have simple manufacture, mass production, the leakproofness is good, the cost is cheap and repeatedly usable's advantage.

Description

Plug for two end parts of oppositely-pulling screw rod of building template

Technical Field

The utility model belongs to the technical field of the building engineering template reinforcement technique and specifically relates to an end cap that is used for building templates to drawing screw rod both ends.

Background

The structural dimension of the stress member of the building engineering is often larger, and particularly, in the construction process, a concrete structure construction stage is carried out, for example, a column, a wallboard and a beam structure with larger size is required to be erected before the installation of a steel bar and a steel structure and the concrete pouring are finished, the cross section dimension meeting the standard requirement of the structure after the concrete pouring is ensured to be erected through the formwork, and the effect of attractive appearance is achieved. In the formwork erecting stage, the counter-pulling screw rods are arranged between the formworks according to a construction design scheme.

According to the requirements of the structure, the split screw rods are in a dismantling state and a non-dismantling state, the split screw rods are arranged in the sleeve in the dismantling state, and concrete is poured on the outer side of the sleeve; and under the condition of not being disassembled, the concrete is directly poured on the outer side of the split screw.

The formwork in the prior art is supported and arranged in the concrete pouring process, mortar of concrete leaks seriously along two ends of the counter-pulling screw rod, so that the formwork is difficult to disassemble, the secondary cleaning workload of the disassembled counter-pulling screw rod is large, the appearance of a poured body is influenced to be attractive, and the difficulty of subsequent construction is increased.

The formwork support in the prior art has the following conditions that firstly, a common casing, such as a casing made of a plastic pipe such as an iron pipe and PVC (polyvinyl chloride), is penetrated through a pull screw, and the two ends of the casing are not provided with plugs and directly support the inner side surface of the formwork, so that cement slurry is easy to block the casing, and the screw is difficult to pull out or cannot be pulled out; if the casing pipe penetrates out of the outer side face of the formwork, the casing pipe cannot be blocked by cement slurry, but an inner support needs to be added between two side formwork plates of the structure to guarantee the accurate size of the section of the structure, and after the formwork is removed, the casing pipe exposed out of the structure face needs to be cut off and the like. Secondly, wear mill's special arris terrace with edge type plastic casing of making to the screw rod that draws, adopt aluminium template to prop to establish and use more in the mode, adopt the plank sheathing to prop to establish and also can use, use this sleeve pipe effect better, nevertheless have following several shortcomings: the sleeve pipe manufacturing cost is higher, the requirement on the horizontal section dimension between the formworks is strict, the dismounting is complicated, and the sleeve pipe cannot be widely adopted in a large scale due to the influence of the structural dimension. And thirdly, the oppositely-pulled screw rods penetrate through common sleeves, such as plastic sleeves of iron pipes, PVC and the like, the circular frustum plastic plugs are additionally arranged at two ends of each sleeve respectively, and under the condition of ensuring the horizontal section size between the formworks, the effect of preventing cement from entering the sleeves is also achieved.

Also the adoption of prior art is at removable cushion in the installation later stage of split screw rod both ends, and the cushion is installed at template and structure contact surface, and according to split screw rod operation requirement, this cushion mainly has following several kinds of forms: the special requirement structure is provided, when the opposite pulling screw rod can not be removed, or part of the opposite pulling screw rod can not be removed, the cushion block is made of wood blocks, plastics, stainless steel and the like. According to the analysis of different cushion block manufacturing materials, if the adopted wood cushion block is adopted, the field processing mode is more, the labor consumption is larger, the cushion block after being detached basically cannot be reused, the wood is wasted, and the cushion block is difficult to detach and clean after being embedded into the concrete; by adopting the plastic pad or the plastic plug, although the industrial processing can be realized, the use cost effect is better, the plastic pad or the plastic plug can not be reused after being dismantled, a large amount of plastic garbage is easy to cause, and the environmental protection is not facilitated; adopt the stainless steel link to drawing the screw rod both ends, for comparatively neotype syllogic to drawing the screw rod, can realize batch production processing, the effect is better after the use, but the material expense is higher.

In order to comprehensively solve the problems, it is necessary to design a product which can be processed in batch in a factory, has high cost performance, can be reused after being disassembled, and can be recycled.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an end cap for two ends of a counter-pulling screw rod of a building template aiming at the defects of the prior art, aiming at the convex end cap designed under the application of a counter-pulling screw rod in a dismantling state, when in use, the counter-pulling screw rod is arranged in a sleeve, two convex end caps are respectively arranged at two ends of the counter-pulling screw rod, and an annular platform of the convex end cap is positioned between the inner wall of the sleeve and the outer wall of the counter-pulling screw rod, thereby positioning the counter-pulling screw rod; when the split screw is used, the two concave plugs are respectively arranged at two ends of the split screw, and the annular grooves of the concave plugs face towards concrete. The utility model solves the problem that the mortar of the concrete leaks along the two ends of the counter-pull screw, is convenient for the disassembly of the template and lightens the workload of the secondary cleaning of the counter-pull screw; the utility model discloses select for use the elastic material preparation, but have simple manufacture, mass production, the leakproofness is good, the cost is cheap and repeatedly usable's advantage.

Realize the utility model discloses the concrete technical scheme of purpose is:

the plug for the two end parts of the counter-pulling screw rod of the building template is characterized in that the plug is a convex plug, the convex plug is a truncated cone piece with a round hole on the axis, and an annular platform which is convex outwards is arranged on the end surface of a small circle of the truncated cone; the convex plug is made of elastic material;

the longitudinal section of the annular table is rectangular.

The plug for the two end parts of the counter-pulling screw of the building template is characterized in that the plug is a concave plug, the concave plug is a truncated cone piece with a round hole on the axis, and an inward concave annular groove is arranged on the end surface of a small circle of the truncated cone; the concave plug is made of elastic material;

the section of the annular groove is arc-shaped.

The utility model is designed for the convex plug of the counter-pulling screw rod under the application of the dismantling state, when in use, the counter-pulling screw rod is arranged in the sleeve, two convex plugs are respectively arranged at two ends of the counter-pulling screw rod, and the annular platform of the convex plugs is positioned between the inner wall of the sleeve and the outer wall of the counter-pulling screw rod; when the split screw is used, the two concave plugs are respectively arranged at two ends of the split screw, and the annular grooves of the concave plugs face towards concrete. The utility model solves the problem that the mortar of the concrete leaks along the two ends of the counter-pull screw, is convenient for the disassembly of the template and lightens the workload of the secondary cleaning of the counter-pull screw; the utility model discloses select for use the elastic material preparation, but have simple manufacture, mass production, the leakproofness is good, the cost is cheap and repeatedly usable's advantage.

Drawings

FIG. 1 is a schematic structural view of a convex plug of the present invention;

FIG. 2 is a schematic structural view of the concave plug of the present invention;

FIG. 3 is a schematic view illustrating a usage state of the convex plug;

fig. 4 is a schematic view of the concave plug in use.

Detailed Description

Referring to fig. 1, the plug of the present invention is a convex plug 1, the convex plug 1 is a truncated cone with a circular hole on its axis, and an outwardly convex annular platform 11 is provided on the end surface of the small circle of the truncated cone; the convex plug 1 is made of elastic materials.

Referring to fig. 1, the annular table 11 has a rectangular longitudinal section.

Referring to fig. 2, the plug of the present invention is a concave plug 2, the concave plug 2 is a truncated cone with a circular hole on its axis, and an inward concave ring groove 21 is provided on the end surface of the small circle of the truncated cone; the concave plug 2 is made of elastic material.

Referring to fig. 2, the annular groove 21 has a circular arc-shaped cross section.

Examples

In the construction of a column, a wallboard or a beam structure in constructional engineering, after reinforcing steel bars are finished and before concrete is poured, templates 4 on two sides are reinforced by using the split screws 3.

Referring to fig. 1 and 3, the utility model discloses a protruding type end cap 1 is to dismantling the application of state down to drawing screw rod 3:

choose for use two protruding type end caps 1, stop in the inner wall at sleeve 5 both ends with protruding type end cap 1's annular platform 11, place protruding type end cap 1 and sleeve 5 in between both sides template 4, will penetrate by one side template 4 to drawing screw rod 3, wear out by opposite side template 4 through protruding type end cap 1 and sleeve 5, to drawing 3 both ends installation reinforcement of screw rod, like packing ring, nut etc. and fastening, the installation of drawing screw rod 3 under the demolition state finishes.

Because the utility model discloses an annular platform 11 of protruding type end cap 1 fills in the inner wall at sleeve pipe 5 both ends, when concrete placement, protruding type end cap 1, sleeve pipe 5 and both sides template 4 will be kept apart with the concrete completely to drawing screw rod 3, and the mortar of concrete can not leak outward from the both ends of drawing screw rod 3, can not pollute the nut at drawing screw rod 3 both ends, has made things convenient for the dismantlement of template, has alleviateed the work load to drawing 3 secondary cleanings of screw rod.

Referring to fig. 2 and 4, the utility model discloses a concave type end cap 2 is to the application of not demolising under the state counter-pulling screw rod 3:

two concave plugs 2 are selected, the annular grooves 21 of the concave plugs 2 are opposite to each other and are arranged between the templates 4 on two sides, the counter-pull screw 3 penetrates through the template 4 on one side and penetrates out of the template 4 on the other side through the concave plugs 2, reinforcing members such as gaskets, nuts and the like are installed at two ends of the counter-pull screw 3 and fastened, and the counter-pull screw 3 is installed under the condition of not being disassembled.

Because the concave plug 2 of the utility model is provided with the annular groove 21 which is inwards concave on the end surface of the small circle of the truncated cone, when the opposite-pulling screw is stressed to extrude the template, the annular groove 21 on the concave plug 2 is simultaneously extruded due to the limitation of the plug positioning piece or the plug positioning ring 6 on the opposite-pulling screw 3, so that the annular groove 21 expands outwards, the inner ring of the annular groove 21 is pressed to be tightly attached to the outer surface of the opposite-pulling screw 3, the two ends of the opposite-pulling screw 3 are isolated from concrete, when the concrete is poured, the annular groove 21 expands when the concrete acts on the annular groove 21, the inner ring of the annular groove 21 is pressed to be tightly attached to the outer surface of the opposite-pulling screw 3, the two ends of the opposite-pulling screw 3 are completely isolated from the concrete, mortar of the concrete cannot leak outwards from the two ends of the opposite-pulling screw 3, nuts at the two ends of the opposite-pulling screw 3 cannot be polluted, the template is convenient to disassemble, and the workload of secondary cleaning of the opposite-pulling screw 3 is reduced.

Referring to fig. 1 and 2, the utility model discloses protruding type end cap 1, concave type end cap 2 are made by elastic material, for example: rubber, silica gel, rubber nylon or rubber composite materials.

Referring to fig. 1 and 2, the utility model discloses protruding type end cap 1, concave type end cap 2 are the circular cone platform spare that is equipped with the round hole on the axis, at the post, the concrete placement of wallboard or roof beam is accomplished, the back is demolishd to the both sides template, at this moment, protruding type end cap 1, the major part of concave type end cap 2 circular cone platform spare all outwards, because protruding type end cap 1, concave type end cap 2 has all adopted the elastic material preparation, it is big to add the outside, the inboard is little, the design of centrum appearance, make protruding type end cap 1, demolish of concave type end cap 2 swiftly convenient, and not fragile reuse, save resources.

Claims

1. The plug for the two end parts of the counter-pulling screw rod of the building template is characterized in that the plug is a convex plug (1), the convex plug (1) is a truncated cone piece with a round hole on the axis, and an annular platform (11) which is convex outwards is arranged on the small round end surface of the truncated cone; the convex plug (1) is made of elastic materials.

2. The blanking plug for two ends of a counter-pulling screw of a building template according to claim 1, characterized in that the cross section of the annular table (11) is rectangular.

3. The plug for the two end parts of the counter-pulling screw of the building template is characterized in that the plug is a concave plug (2), the concave plug (2) is a truncated cone piece with a round hole on the axis, and an inward concave annular groove (21) is arranged on the end surface of a small circle of the truncated cone; the concave plug (2) is made of elastic material.

4. A plug for opposite ends of a construction formwork tie rod according to claim 3, wherein the annular groove (21) has a circular arc-shaped cross-section.