CN211775817U - Building templates pull rod - Google Patents

Abstract

The utility model provides a building templates pull rod belongs to building templates technical field, including inner pull rod, outer pull rod, nut and retaining member, the relative both ends of inner pull rod are fixed through a retaining member and an outer pull rod one end coaxial coupling respectively, the equal spiro union nut of the other end of each outer pull rod, nut and retaining member cooperation centre gripping building templates, and the outer pull rod is the harness cord screw rod. The utility model provides a building templates pull rod, outer pull rod adopt the harness cord screw rod, as long as the building templates in the overall length within range of outer pull rod all can use, reduces the input of engineering goods and materials.

Description

Building templates pull rod

Technical Field

The utility model belongs to the technical field of the building templates, more specifically say, relate to a building templates pull rod.

Background

At present, due to rapid economic development and scarcity of land resources in China, large-scale high-rise cast-in-place shear wall buildings are increased rapidly, counter-pull screws are mostly adopted for constraining building templates in shear wall construction, the counter-pull screws are ordinary mantle fiber screws, however, the ordinary mantle fiber screws have some problems because the parts with screw threads are only a small section, the stroke of nuts on the pull rods is short, the ordinary mantle fiber screws of one type can only be used for specific parts, and if the size of the building templates is changed more, corresponding railings need to be replaced continuously, so that engineering material investment is large.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building templates pull rod aims at solving current ordinary mantle fiber screw rod and only makes the poor engineering goods and materials big problem that drops into from this brought of commonality because of the screw thread part.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a building form tie bar comprising:

the building template comprises an inner pull rod, an outer pull rod, a nut and a locking piece, wherein the two opposite ends of the inner pull rod are respectively fixed through the locking piece and one end of the outer pull rod in a coaxial connection mode, the other end of the outer pull rod is in threaded connection with the nut, the nut and the locking piece are clamped in a matched mode to clamp the building template, and the outer pull rod is a harness cord screw.

Furthermore, the building template pull rod further comprises a pressing plate movably arranged on the outer pull rod in a penetrating mode and used for pressing the building template, and the pressing plate is located between the nut and the locking piece.

Further, the retaining member has a through-hole group that runs through its relative both ends, through-hole group is including being located the hexagonal hole of retaining member one end, and be located the cylinder hole of the retaining member other end, the cylinder hole with hexagonal hole link up, seted up on the inner wall in cylinder hole with interior pull rod with the internal thread of outer pull rod formation spiro union.

Furthermore, a limiting block is arranged on the inner wall of the cylindrical hole.

Further, the locking member is in a truncated cone shape.

Furthermore, a water stop plate for preventing water is arranged on the inner pull rod.

Furthermore, the inner pull rod and the outer pull rod are both screws with trapezoidal threads.

Further, the nut is a butterfly nut.

The utility model provides a building templates pull rod's beneficial effect lies in: compared with the prior art, the utility model discloses a building templates pull rod, including inner pull rod, outer pull rod, nut and retaining member, the relative both ends of inner pull rod are fixed through a retaining member and an outer pull rod one end coaxial coupling respectively, and the equal spiro union nut of the other end of each outer pull rod, retaining member and nut cooperation centre gripping building templates, outer pull rod are the harness cord screw rod, as long as the building templates in the overall length scope of outer pull rod all can use, reduces the input of engineering goods and materials.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a pull rod of a building template provided by an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a locking member of a tie bar of a building form according to an embodiment of the present invention.

In the figure: 1. an inner pull rod; 2. an outer pull rod; 3. a nut; 4. a locking member; 5. pressing a plate; 6. a water stop plate; 7. building a template; 8. carrying out template back arris; 40. a through hole; 410. a hexagonal hole; 420. a cylindrical bore; 43. and a limiting block.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Please refer to fig. 1 to 2, the utility model provides a building templates pull rod, including inner pull rod 1, outer pull rod 2, nut 3 and retaining member 4, wherein, the both ends of inner pull rod 1 are connected fixedly with a retaining member 4 respectively, the quantity of outer pull rod 2 is two, the one end of two outer pull rods 2 is connected fixedly with the aforesaid retaining member 4 that is connected fixedly with inner pull rod 1 respectively, so, it is fixed with being connected of two outer pull rods 2 to have indirectly realized inner pull rod 1, and, inner pull rod 1 is coaxial coupling with outer pull rod 2, nut 3 spiro union is in the other end of each outer pull rod 2, here the other end refers to the other end for the one end that outer pull rod 2 is connected with retaining member 4, during the construction, nut 3 and retaining member 4 cooperate centre gripping building templates 7. Retaining member 4 has the terminal surface that can paste building templates 7, and this terminal surface can paste and lean on in building templates 7's lateral surface, because outer pull rod 2 other end spiro union has nut 3, nut 3 can be with building templates 7 card in the middle of nut 3 and retaining member 4 in rotatory in-process, realizes building templates 7 fixed. Outer pull rod 2 is the harness cord screw rod, and preferably, inner pull rod 1 also is the harness cord screw rod, as long as building templates 7 at outer pull rod 2 overall length within range all can use the utility model provides a 7 pull rods of building templates are fixed, can be applicable to different occasions, have reduced the input of engineering goods and materials, have good economic benefits.

Further, in this embodiment, the building formwork pull rod further includes a pressing plate 5, the pressing plate 5 is disposed on the opposite inner side of the nut 3, the outer pull rod 2 penetrates through the pressing plate 5, the pressing plate 5 can move along the axial direction of the outer pull rod 2, the opposite inner side is close to one side of the locking member 4, a hole is formed in the middle of the pressing plate 5, so that the pressing plate can be penetrated through by the outer pull rod 2, the pressing plate 5 can be driven by the nut 3 to move towards the direction of the locking member 4 when the nut 3 rotates, and during actual construction, as shown in fig. 1, the pressing plate 5 presses the formwork back edge 8 tightly to press the building formwork 7, so that one side of the building formwork 7 is fixed.

Further, in this embodiment, the locking member 4 is a truncated cone-shaped structure, and preferably, the end surface close to the center of the inner pull rod 1 is a smaller end surface, and the end surface far away from the center of the inner pull rod 1 is a larger end surface, so that the reason for the design is that the end surface far away from the inner pull rod 1 is the end surface attached to the building formwork 7, and the end surface is larger, which is more favorable for attaching to the building formwork 7, so as to fix the building formwork 7 more firmly. A through hole 40 is arranged along the central axis direction of the locking part 4, the through hole 40 comprises a section of hexagonal hole 410 and a section of cylindrical hole 420, the hexagonal hole 410 and the cylindrical hole 420 are communicated with each other, the hexagonal hole 410 is arranged at a position close to a large end face, the cylindrical hole 420 is arranged at a position close to a small end face, an inner thread which forms a screw joint with the inner pull rod 1 and the outer pull rod 2 is arranged on the inner wall of the cylindrical hole 420, the inner pull rod 1 and the outer pull rod 2 are connected and fixed with the locking part 4 through a threaded connection, a limiting block 43 is arranged on the inner wall of the cylindrical hole, when the inner pull rod 1 and the outer pull rod 2 are screwed into the position of the limit block 43, the inner pull rod and the outer pull rod can not be screwed into each other due to the resistance of the limit block 43, the limiting block 43 is the limiting position of the inner pull rod 1 and the outer pull rod 2, and the hexagonal hole 410 is formed in the large end face, so that the locking piece 4 can be taken out of concrete conveniently by using a wrench when being detached.

Further, in this embodiment, the inner pull rod 1 is provided with a water stop plate 6, preferably, the water stop plate 6 is provided at a middle position of the inner pull rod 1, the water stop plate 6 is made of a steel plate, and the cross section of the water stop plate 6 is circular, so that the water stop plate 6 can prevent external pressure water from penetrating into a wall body formed by pouring.

Further, in the embodiment, the inner pull rod 1 and the outer pull rod 2 are both screws with trapezoidal threads, the pitch of the trapezoidal screws is large, the damage resistance, the wear resistance and the acid resistance are excellent, the screws are not afraid of falling and touching in use, and the common mantle fiber screws adopt triangular teeth, so that the screws are scrapped as long as hard objects touch the screws and are stained with concrete slurry. And the outer pull rod 2 can be detached and can be repeatedly used after being detached, so that the use cost is reduced.

Further, in this embodiment, above-mentioned nut 3 is the butterfly nut, and the butterfly nut has easy installation, wholeness, does not have the packing ring, dismantles convenient characteristic, and it can be taken off as long as strike the butterfly nut with the hammer during actual construction, labour saving and time saving.

Further, in this embodiment, the inner tension rod 1 and the outer tension rod 2 are both manufactured by a cold rolling process, and the tension rod manufactured by the cold rolling process has high overall tensile strength.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The utility model provides a building templates pull rod, its characterized in that, includes inner pull rod, outer pull rod, nut and retaining member, the relative both ends of inner pull rod are respectively through one retaining member and one outer pull rod one end coaxial coupling is fixed, each the equal spiro union one of the other end of outer pull rod the nut, the nut with retaining member cooperation centre gripping building templates, outer pull rod is the harness cord screw rod.

2. The building form tie bar of claim 1 further comprising a press plate movably disposed through the outer tie bar for compressing the building form, the press plate being positioned between the nut and the retaining member.

3. The building template pull rod according to claim 1, wherein the locking member is provided with a through hole group penetrating through two opposite ends of the locking member, the through hole group comprises a hexagonal hole positioned at one end of the locking member and a cylindrical hole positioned at the other end of the locking member, the cylindrical hole is communicated with the hexagonal hole, and an inner thread which is in threaded connection with the inner pull rod and the outer pull rod is formed on the inner wall of the cylindrical hole.

4. The building template tie rod of claim 3, wherein a limiting block is arranged on the inner wall of the cylindrical hole.

5. The building form tie of claim 3, wherein the retaining member is frustoconical.

6. The building form tie of claim 1, wherein a water stop plate for water resistance is provided on the inner tie.

7. The building template tie rod of any one of claims 1 to 6, wherein the inner tie rod and the outer tie rod are both screws with trapezoidal threads.

8. The building formwork tie rod of any one of claims 1 to 6, wherein the nut is a wing nut.

Images