TWM446800U - Improved structure of pulling rod - Google Patents

Description

Template tie rod structure

This creation has a tie rod structure for a template, which can be used as an external support for the template, and can be easily assembled on the template to facilitate the work of the frame set of the template.

When constructing a concrete wall, an external support must be provided on the outside of the formwork, and an inner support must be provided on the inside of the formwork. The outer support of the conventional formwork is a tie rod. When the concrete is dry and removed, the tie rod is cut. The sheared rod is buried in the wall and the cut ends are exposed outside the wall. In order to avoid scratching the exposed end, the entire wall must be filled to cover the exposed end.

There is a combination lever in the workshop, which can make the part buried in the wall shrink inside after the construction is completed. Referring to FIG. 1, the pull rod includes an inner rod 10, two outer rods 11, 11 and two screw members 12, 12. The two screwing members 12 and 12 are respectively screwed at the two ends of the inner rod 10. The two outer rods 11 and 11 are respectively screwed to the other ends of the two screw members 12 and 12 to form a complete rod. The two screw members 12, 12 are located inside the template and can be supported inside the template 13. The outer rods 11 and 11 can be sleeved with outer support spacers 14 and positioned by nuts 15, so that the outer ends of the template can be disposed at both ends of the rods. After the concrete is dry-removed and the template 13 is removed, the two outer rods 11, 11 and the two screw members 12, 12 can be removed for reuse. The inner rod 10 is buried in the wall. After the screw member 12 is removed, a recess 16 can be formed in the wall surface, and both ends of the inner rod are hidden into the recess 16 as shown in FIG. 2, and then in the recess 16 After filling the soil 17, the problem of the exposed inner rod 10 can be avoided.

When the template 13 is to be assembled, there is a reinforcing bar (not shown) between the two templates 13, 13 which is unfavorable for assembling the tie rod. In practice, the staff must shuttle between the template 13 and the steel bar to erect the inner rod 10, which increases the difficulty of assembling the rod, and is more disadvantageous for the erection work of the template 13.

The main purpose of this creation is to provide a template tie rod structure that can be reused, and the ends of the inner rod buried in the concrete wall are contracted at the ends, which is easy to cover the soil.

The secondary purpose of this creation is to provide a tie rod structure for the formwork, which is easy to assemble on the formwork and has been utilized for construction.

The drawbar structure of the template provided by the present invention comprises: an inner rod, two outer rods, a first screw joint, and a second screw joint. The outer rods are provided at both ends of the inner rod, and are respectively screwed to the first screw member and the second screw member. The two outer rods can be respectively screwed with the first screw member and the second screw member to form a complete pull rod.

The first screw member is provided with a screw hole at the center thereof, and an inner end thereof can be screwed with the inner rod. The outer diameter of the first screw member is a cone which is gradually increased from the inside to the outside, and a flange having an outer diameter protruding is provided at an outer end thereof. The flange can abut the outer side of the template to position the first screw.

The second screw member is provided with a screw hole at the center thereof, and the inner end thereof can be The inner rod is screwed. The outer diameter of the second screw member is a shuttle body shape which is tapered from the middle to the both ends.

The first screw member is composed of a plastic body and a metal screw hole column. The metal screw hole column is fixed in the center of the plastic body.

The first screw member may also be selected from a metal material.

The second screw member is composed of a plastic body and a metal screw hole column. The metal screw hole column is fixed in the center of the plastic body.

The second screw member may also be selected from a metal material.

In view of the difficulty of the above-mentioned conventional drawbars in the operation of the frame set template, the applicant has developed a tie rod structure that the worker does not need to enter the work between the templates, so that the erecting of the template is easier and faster. The embodiments are listed, and the features and effects of the authoring device are detailed in conjunction with the drawings.

Please refer to Figure 3~Figure 5. The drawbar structure of the template disclosed in the present invention comprises an inner rod 20, two outer rods 30, 40, a first screw member 50, and a second screw member 60. The two ends 20 of the inner rod can respectively screw the first screw member 50 and the second screw member 60. The two outer rods 30 and 40 can be respectively screwed to the first screw member 50 and the second screw member 60 to form a complete rod.

The outer rods 21 are provided at both ends of the inner rod 20, and the length thereof is smaller than the distance between the inner and outer two templates 13, 13. A screw hole 51 is disposed in a center of the first screw member 50, and an inner end thereof is screwed to one end of the inner rod 20. The first A screw hole 61 is disposed in the center of the second screw member 60, and an inner end thereof is screwed to the other end of the inner rod 20. The two outer rods 30, 40 can be respectively connected to the other ends of the first screw member 50 and the second screw member 60 to form a complete rod.

The outer diameter of the first screw member 50 is a cone which is gradually increased from the inside and the outside, and an outer diameter end of the flange 52 is provided at the outer end thereof, and the flange 52 can abut against the outer side surface of the template 13 . The first screw member 50 is positioned. In this embodiment, the flange 52 is circular, and in practice, a square or convex regular polygon or at least one tab may be selected. If a tab is selected, the joint of the tab and the cone is preferably not less than a semicircle. In the present embodiment, the flange 52 is disposed at the outer end of the first screw member 50. In practice, the flange 52 can be disposed at any position on the outer wall surface of the first screw member 50.

The outer diameter of the second screw member 60 is a shuttle body shape which is tapered from the middle to the both ends. When the tie rod is to be assembled on the template 13, the inner rod 20 and the second screw member 60 are first screwed together with an outer rod 40. The group will pass through the two templates 13, 13 as shown in Fig. 6. The first screw member 50 is continuously screwed from the outer side of the template 13 to the inner rod 20, and the other outer rod 30 is screwed to the first screw member 50 to form a complete pull rod, as shown in FIG. status. The pull rod is continuously pulled back so that the flange 52 of the first screw member 50 abuts against the outer side of the template, as shown in FIG.

The outer outer support bars 14 can be sleeved on the outer rods 30, 40 and positioned by the nut 15 to form an outer support. An inner support 72 can be disposed between the two templates 13, 13. The inner support 72 is formed by stamping a metal foil, which is a conventional technique and is not a non-invasive Do not make any remarks about the subject matter of the claim.

The second screwing member 60 is a bobbin body that is tapered at both ends, which facilitates the second screwing member 60 to pass through the through hole 131 preset by the template 13 from the outside of the template 13 and also contributes to the second screwing. The outer end of the member 60 is moved outward by the perforations 131 defined by the template 13. When the pull rod is moved to the position, as shown in FIG. 8, the intermediate maximum outer diameter portion 62 of the second screw member 60 is aligned with the inner side of the other template 13 or is a more outward position, so that the template is removed. After 13 , it is advantageous to take out the second screw member 60 from the concrete wall surface, and form a recess 70 in the wall surface, as shown in FIG. At the recess 70, the ends of the inner rod 20 can be blocked by the soil 71.

The first screw member 50 can be composed of a plastic body and a metal screw post 53. The metal screw hole post 53 is fixed to the center of the plastic body. The second screw member 60 is composed of a plastic body and a metal screw post 63. The metal screw post 63 is fixed to the center of the plastic body. In practice, both the first screw member 50' and the second screw member 60' may be integrally formed of a metal material, as shown in FIG. The flange 52' of the first screw member 50' can serve as an outer support for the template 13.

Please refer to FIG. 11 and FIG. 12 for another embodiment of the present creation. The maximum outer diameter of the first screw member 50 is greater than the inner diameter of the predetermined through hole 132 of the template 13 , and a pressing state can be formed with the through hole 132 to position the first screw member 50 . The outer diameter of the second screw member 60 is a shuttle body shape which is tapered from the middle to the both ends. The first screw member 50 can be sleeved with a gasket 54. The hole in the center of the gasket 54 is smaller than the maximum outer diameter of the first screw member 50. By the gasket 54 The outer side of the template 13 further increases the positioning function of the first screw member 50.

The wall of the outer tapered end of the second screw member 60 is provided with at least one radially extending groove 64 to facilitate the disassembly of the second screw member 60 after the completion of the grouting. A plurality of ridges (not shown) may be disposed on the wall surface of the outer tapered end of the second screw member 60 to facilitate the rotation of the second screw member 60.

The second screw member 60 extends through the through hole 131 of a template 13. A centrally perforated sheath 133 can be inserted between the aperture of the through hole 131 and the second screw member 60. The concrete is prevented from overflowing from the pores between the second screw 60 and the perforations 131.

Figure 13 is a view showing a state of use of still another embodiment of the present invention, which is mainly used in the case where the template 13 is fixed to the ground. The first screw member 80 has a shuttle shape with an outer diameter that is tapered from the middle to the both ends, that is, the shape and structure are the same as those of the second screw member 60 described above. This makes it easier to put a tie rod on the template 13.

In summary, the tie rod structure of the template provided by the creation has the advantages of repeated use characteristics and the fact that the inner tie rod is not exposed, and has the characteristics of easy assembly during construction, which is suitable for the staff to select, suitable for Utility model creation.

The above description is intended to be illustrative, and not restrictive, and many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention. , but all will fall within the scope of this creation.

10‧‧‧ Inner rod

11‧‧‧Outer

12‧‧‧ Screws

13‧‧‧ template

131‧‧‧Perforation

132‧‧‧Perforation

133‧‧‧ sheath

14‧‧‧Outer support gasket

15‧‧‧ nuts

16‧‧‧ recess

17‧‧‧Replenishment

20‧‧‧ inner rod

21‧‧‧ External thread

22‧‧‧ External thread

30‧‧‧Outer

40‧‧‧External

50‧‧‧First screw joint

51‧‧‧ screw holes

52‧‧‧Flange

53‧‧‧ screw hole column

54‧‧‧shims

60‧‧‧Second screw

61‧‧‧ screw holes

62‧‧‧Maximum outer diameter

63‧‧‧ screw hole column

64‧‧‧ Groove

70‧‧‧ recess

71‧‧‧Replenishment

72‧‧‧Support

80‧‧‧First screw

50'‧‧‧First screw joint

52’‧‧‧Flange

60'‧‧‧Second screw

Figure 1 is a diagram of the state of use of the learner.

Figure 2 is a state diagram after the practitioner removes the template.

Figure 3 is an external view of the present embodiment.

Figure 4 is a diagram showing the state of use of the embodiment shown in Figure 3.

Figure 5 is an exploded view of the embodiment shown in Figure 3.

Figure 6, Figure 7, and Figure 8 are schematic diagrams of operations on the template of the embodiment shown in Figure 3.

Figure 9 is a state diagram after the template is removed during the construction using this creation.

Figure 10 is a view showing the state of use of the first screw member and the second screw member made of metal.

Figure 11 is an external view of another embodiment of the creation.

Figure 12 is a view showing the state of use of the embodiment shown in Figure 11.

Figure 13 is a diagram showing the state of use of still another embodiment of the creation.

13‧‧‧ template

14‧‧‧Outer support gasket

15‧‧‧ nuts

20‧‧‧ inner rod

21‧‧‧ External thread

22‧‧‧ External thread

30‧‧‧Outer

40‧‧‧External

50‧‧‧First screw joint

51‧‧‧ screw holes

52‧‧‧Flange

53‧‧‧ screw hole column

60‧‧‧Second screw

61‧‧‧ screw holes

62‧‧‧Maximum outer diameter

63‧‧‧ screw hole column

72‧‧‧Support

Claims (24)

A drawbar structure of a template, which is through a preset perforation of the template to lock the outer support member; the drawbar structure comprises: an inner rod, the outer thread is disposed at both ends thereof, and the length thereof is smaller than the spacing between the inner and outer templates a first screw member having a screw hole at the center thereof, the inner end of which is screwed to the inner rod; the outer diameter of the first screw member is a cone which is gradually increased from the inside to the outside, and the outer end thereof The peripheral wall is provided with a flange having an outer diameter protruding; the flange can abut the outer side of the template to position the first screw member; and a second screw member is provided with a screw hole at the center thereof, and the inner end can be The inner rod is screwed; the outer diameter of the second screw member is a bobbin shape which is tapered from the middle to the both ends; and two outer rods respectively engageable with the first screw member and the second screw joint The other ends of the pieces are connected to form a complete tie rod. The tie rod structure of the template of claim 1, wherein a flange of the outer peripheral wall of the first screw is disposed at an outer end of the first screw. The tie rod structure of the template of claim 1, wherein the wall of the outer tapered end of the second threaded member is provided with at least one radially extending groove. The tie rod structure of the template of claim 1, wherein the wall of the outer tapered end of the second threaded member is provided with a plurality of radially extending ridges. The tie rod structure of the template of claim 1, wherein the first screw member is composed of a plastic body and a metal screw hole; the metal screw hole The column system is fixed in the center of the plastic body. The tie rod structure of the template of claim 1, wherein the first screw member is integrally formed of a metal material. The tie rod structure of the template of claim 6, wherein the flange of the first screw member can serve as an outer support for the template. The tie rod structure of the template of the first aspect of the invention, wherein the second screw member is composed of a plastic body and a metal screw hole column; the metal screw hole column is fixed on the plastic body Central. The tie rod structure of the template of claim 1, wherein the second screw member is integrally formed of a metal material. A drawbar structure of a template, which is through a preset perforation of the template to lock the outer support member; the drawbar structure comprises: an inner rod, the outer thread is disposed at both ends thereof, and the length thereof is smaller than the spacing between the inner and outer templates a first screw member having a screw hole at the center thereof, the inner end of which is screwed to the inner rod; the outer diameter of the first screw member is a cone which is gradually increased from the inside to the outside; the first screw The maximum outer diameter of the connector is greater than the inner diameter of the predetermined perforation of the template, and a pressing state can be formed between the through hole to position the first screw member; and a second screw member is provided with a screw hole at the center thereof. The inner end can be screwed with the inner rod; the outer diameter of the second screw member is a bobbin shape which is tapered from the middle to the both ends; and two outer rods respectively connect the first screw joint , the other end of the second screw connection, And the whole tie rod is formed. The tie rod structure of the template of claim 10, wherein the wall of the outer tapered end of the second threaded member is provided with at least one radially extending groove. The tie rod structure of the template of claim 10, wherein the wall of the outer tapered end of the second threaded member is provided with a plurality of radially extending ridges. The tie rod structure of the template of claim 10, wherein the first screw member can be sleeved with a gasket, the perforation at the center of the gasket is smaller than the maximum outer diameter of the first screw member, and the The gasket is attached to the outer side of the template. The tie rod structure of the template of claim 10, wherein the first screw member is composed of a plastic body and a metal screw hole column; the metal screw hole column is fixed on the plastic body Central. The tie rod structure of the template of claim 10, wherein the first screw member is integrally formed of a metal material. The tie rod structure of the template of claim 10, wherein the second screw member is composed of a plastic body and a metal screw hole column; the metal screw hole column is fixed on the plastic body Central. The tie rod structure of the template of claim 10, wherein the second screw member is integrally formed of a metal material. A drawbar structure of a template, which is through a predetermined perforation of the template for locking the outer support member; the tie rod structure comprises: an inner rod, the outer thread is disposed at both ends thereof, and the length thereof is smaller than the inner and outer templates a first screw member having a screw hole at the center thereof, the inner end of which is screwed to the inner rod; the outer diameter of the first screw member is a bobbin shape which is tapered from the middle to the both ends; a second screw member is provided with a screw hole at the center thereof, and an inner end of the second screw member is screwed to the inner rod; and an outer diameter of the second screw member is a bobbin shape which is tapered from the middle to the both ends; Two outer rods are respectively connected to the other ends of the first screw member and the second screw member to form a whole rod. The tie rod structure of the template of claim 18, wherein the wall of the outer tapered end of the first screw member and the second screw member is provided with at least one radially extending groove. The tie rod structure of the template of claim 18, wherein the wall of the outer tapered end of the second screw member and the second screw member is provided with a plurality of radially extending ridges. The tie rod structure of the template of claim 18, wherein the first screw member is composed of a plastic body and a metal screw hole column; the metal screw hole column is fixed on the plastic body Central. The tie rod structure of the template of claim 18, wherein the first screw member is integrally formed of a metal material. The tie rod structure of the template of claim 18, wherein the second screw member is composed of a plastic body and a metal screw hole column; the metal screw hole column is fixed on the plastic body Central. The tie rod structure of the template of claim 18, wherein the second screw member is integrally formed of a metal material.