Split bolt and suspended formwork system

Abstract

The utility model relates to the technical field of building construction, and discloses a split bolt and a suspended formwork system, and the split bolt comprises a fixed base, a sleeve, a rod body and a locking structure. The fixed base is suitable for being connected with a template; the sleeve is propped against the fixed base; the first end of the rod body is detachably connected with the fixed base, and the rod body penetrates through the sleeve; the locking structure is connected with the second end of the rod body. The first end of the rod body is connected with the formwork through the fixing base, the second end of the rod body is fixed through the locking structure, and the split bolt is simple in structure, convenient to install and high in installation efficiency; the rod body penetrates through the sleeve to prevent the concrete from being connected with the rod body, the first end of the rod body is detachably connected with the fixed base, and after concrete pouring is completed, the rod body can be detached, so that secondary use of the rod body is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a tension bolt and a hanging formwork system. Background Art

[0002] In the construction industry, high-bottom hanging formwork is very common. How to fix the high-bottom hanging formwork has become a construction problem in the construction industry. It is difficult to reinforce the high-bottom hanging formwork. If it is not firm enough, concrete may explode or deform.

[0003] In the prior art, conventional tension bolts are used to fix the structure with the same height on both sides of the hanging formwork. However, in the case where the height of the hanging formwork on both sides is inconsistent, such as the junction of the side beam and the floor slab, corners, etc., conventional tension bolts cannot be used, resulting in great difficulty in reinforcing such locations and easy deformation after concrete pouring. Utility Model Content

[0004] In view of this, the utility model provides a tension bolt and a hanging formwork system to solve the problem that conventional tension bolts cannot be used when the heights of the hanging forms on both sides are inconsistent.

[0005] In the first aspect, the utility model provides a tension bolt, comprising: a fixed base, suitable for connecting to a template; a sleeve, abutting the fixed base; a rod body, the first end of the rod body is detachably connected to the fixed base, and the rod body passes through the sleeve; and a locking structure, connected to the second end of the rod body.

[0006] Beneficial effects: the first end of the rod body is connected to the formwork through a fixed base, the second end of the rod body is fixed by a locking structure, the tension bolt has a simple structure, is easy to install and has high installation efficiency; the rod body is penetrated by a sleeve to prevent the concrete from being connected to the rod body, and the first end of the rod body is detachably connected to the fixed base. When the concrete pouring is completed, the rod body can be removed for secondary use of the rod body.

[0007] In an optional embodiment, the rod body includes a threaded portion and a rigid portion, the threaded portion is connected to the rigid portion, two threaded portions are provided, and the two threaded portions are respectively provided at both ends of the rigid portion, the fixed base is provided with a threaded hole, one of the two threaded portions is threadedly connected to the threaded hole, and the other of the two threaded portions is connected to the locking structure, and at least a portion of the rigid portion passes through the sleeve.

[0008] Beneficial effects: By opening a threaded hole in the fixed base, the threaded part is threadedly connected with the fixed base, and the rod body is disassembled after the concrete is poured, so as to realize the secondary utilization of the rod body.

[0009] In an optional embodiment, the fixed base includes a connecting part and a fixing part, two fixing parts are provided, the two fixing parts are respectively connected to the connecting part, the fixing part is suitable for connecting to the template, and the threaded hole is opened on the connecting part.

[0010] In an optional embodiment, the fixing base further includes a fixing screw, which passes through the fixing portion and fixes the fixing portion to the template.

[0011] In an optional embodiment, the locking structure includes a nut, the nut is connected to the second end of the rod body, and the nut is suitable for abutting against the template.

[0012] In an optional embodiment, the locking structure further includes a steel pipe, the steel pipe abuts against the nut, the steel pipe is suitable for abutting against the template, two steel pipes are provided, and the two steel pipes are arranged on both sides of the rod body.

[0013] Beneficial effect: By providing the steel pipe, the locking effect of the locking structure on the second end of the rod body is further improved.

[0014] In an optional embodiment, the sleeve is a PVC sleeve.

[0015] Beneficial effect: By setting the PVC sleeve, the sleeve has good tensile strength and good compressive strength.

[0016] In a second aspect, the utility model also provides a hanging formwork system, including the above-mentioned tension bolts.

[0017] In an optional embodiment, the hanging formwork system further includes a template, the fixing portion is connected to the template, and the locking structure abuts against the template.

[0018] In an optional embodiment, the template includes a plate body and a keel, the plate body is connected to the keel, the fixing portion is connected to the plate body, and the locking structure abuts against the keel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 This is a schematic diagram of the overall structure of the tension bolts of an embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the connection between the rod body and the locking structure of an embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the fixed base of an embodiment of the utility model;

[0023] Figure 4 It is a structural schematic diagram of the hanging formwork system of an embodiment of the utility model.

[0024] Description of reference numerals:

[0025] 10. Fixed base; 11. Connecting part; 12. Fixed part; 13. Fixing screw; 14. Threaded hole; 20. Sleeve; 30. Rod body; 31. Threaded part; 32. Rigid part; 40. Locking structure; 41. Nut; 42. Steel pipe; 50. Formwork; 51. Plate body; 52. Keel; 60. Conventional tension bolts. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the utility model.

[0027] Combine the following Figures 1 to 4 , describing an embodiment of the utility model.

[0028] According to an embodiment of the utility model, on the one hand, a tension bolt is provided, comprising a fixed base 10, a sleeve 20, a rod body 30 and a locking structure 40. The fixed base 10 is suitable for connecting with a template 50; the sleeve 20 abuts against the fixed base 10; the first end of the rod body 30 is detachably connected with the fixed base 10, and the rod body 30 is arranged through the sleeve 20; and the locking structure 40 is connected with the second end of the rod body 30.

[0029] When the tension bolt of this embodiment is applied, the first end of the rod body 30 is connected to the template 50 through the fixed base 10, and the second end of the rod body 30 is fixed by the locking structure 40. The tension bolt has a simple structure, is easy to install, and has high installation efficiency. The rod body 30 passes through the sleeve 20 to prevent the concrete from connecting with the rod body 30, and the first end of the rod body 30 is detachably connected to the fixed base 10. When the concrete pouring is completed, the rod body 30 can be removed to facilitate the secondary use of the rod body 30.

[0030] In one embodiment, Figure 1 and Figure 2 As shown, the rod body 30 includes a threaded portion 31 and a rigid portion 32, the threaded portion 31 is connected to the rigid portion 32, two threaded portions 31 are provided, and the two threaded portions 31 are respectively provided at both ends of the rigid portion 32, the fixed base 10 is provided with a threaded hole 14, one of the two threaded portions 31 is threadedly connected to the threaded hole 14, and the other of the two threaded portions 31 is connected to the locking structure 40, and at least part of the rigid portion 32 is provided through the sleeve 20.

[0031] Of course, in other alternative embodiments, other detachable connection methods may be adopted, for example, the rod body 30 is snap-connected with the fixed base 10 .

[0032] It is worth noting that, by opening the threaded hole 14 in the fixing base 10 , the threaded portion 31 is threadedly connected to the fixing base 10 , and the rod body 30 is disassembled after the concrete is poured, so as to realize the secondary utilization of the rod body 30 .

[0033] In one embodiment, Figure 3 As shown, the fixed base 10 includes a connecting portion 11 and a fixing portion 12 . Two fixing portions 12 are provided. The two fixing portions 12 are respectively connected to the connecting portion 11 . The fixing portion 12 is suitable for connecting to the template 50 . A threaded hole 14 is provided on the connecting portion 11 .

[0034] Specifically, in this embodiment, the fixing portion 12 and the connecting portion 11 are integrally formed.

[0035] Of course, in other alternative embodiments, the fixing portion 12 and the connecting portion 11 may also be provided separately and connected by other connecting methods such as welding and clamping.

[0036] In one embodiment, Figure 3 As shown, the fixing base 10 further includes a fixing screw 13 , which passes through the fixing portion 12 and fixes the fixing portion 12 on the template 50 .

[0037] For details, please refer to Figure 3 In the present embodiment, two fixing screws 13 are provided, and the two fixing screws 13 are respectively provided on the two fixing portions 12 .

[0038] Of course, in other alternative implementations, the number of fixing screws 13 can be adjusted to other numbers according to actual conditions.

[0039] Of course, in other alternative embodiments, the connection between the fixing portion 12 and the template 50 may also be achieved by other connection methods, such as bonding, welding, etc.

[0040] In one embodiment, Figure 2As shown, the locking structure 40 includes a nut 41 , which is connected to the second end of the rod body 30 , and the nut 41 is suitable for abutting against the template 50 .

[0041] Specifically, in this embodiment, the second end of the rod body 30 is a threaded portion 31 , and the position of the nut 41 is adjusted by screwing in or out the nut 41 to adjust the locking degree of the locking structure 40 .

[0042] In one embodiment, Figure 2 As shown, the locking structure 40 further includes a steel pipe 42 , which abuts against the nut 41 . The steel pipe 42 is suitable for abutting against the template 50 . Two steel pipes 42 are provided, and the two steel pipes 42 are provided on both sides of the rod body 30 .

[0043] For details, please refer to Figure 2 Two grooves are formed on one side of the nut 41 close to the steel pipe 42, and the two steel pipes 42 are respectively arranged corresponding to the two grooves.

[0044] Specifically, the axial direction of the steel tube 42 is perpendicular to the axial direction of the rod body 30 .

[0045] It is worth noting that, by providing the steel tube 42 , the locking effect of the locking structure 40 on the second end of the rod body 30 is further improved.

[0046] In one embodiment, the sleeve 20 is a PVC sleeve.

[0047] Of course, in other alternative embodiments, the sleeve 20 may also be made of other materials, such as a steel pipe 42 .

[0048] It is worth noting that, by providing the PVC sleeve, the sleeve 20 has good tensile strength and good compressive strength.

[0049] To apply the tension bolts of this embodiment, first, the fixed base 10 is installed on the template 50 by means of the fixing screws 13; then, the rod body 30 is inserted into the template 50 and through the sleeve 20, and the threaded portion 31 of the first end of the rod body 30 is threadedly connected to the threaded hole 14 on the fixed base 10; finally, the locking structure 40 is used to lock the threaded portion 31 of the second section of the rod body 30 to the template 50.

[0050] According to an embodiment of the present utility model, on the other hand, a hanging formwork system is provided, comprising the above-mentioned tension bolts.

[0051] In one embodiment, Figure 4 As shown, the hanging mold system further includes a template 50 , the fixing portion 12 is connected to the template 50 , and the locking structure 40 abuts against the template 50 .

[0052] It should be noted that, in this embodiment, after the tension bolts are installed, the space inside the template 50 needs to be poured with concrete.

[0053] It should be noted that, in this embodiment, conventional tension bolts 60 are used where the heights of the hanging formwork on both sides are the same, so as to improve the stability of the hanging formwork system.

[0054] In one embodiment, Figure 4 As shown, the template 50 includes a plate body 51 and a keel 52 , the plate body 51 is connected to the keel 52 , the fixing portion 12 is connected to the plate body 51 , and the locking structure 40 is in contact with the keel 52 .

[0055] Although the embodiments of the present invention are described in conjunction with the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations are all within the scope defined by the appended claims.

Claims

1. A tension bolt, characterized in that: include: A fixed base (10) adapted to be connected to the template (50); A sleeve (20) abuts against the fixed base (10); A rod body (30), wherein a first end of the rod body (30) is detachably connected to the fixed base (10), and the rod body (30) is disposed through the sleeve (20); A locking structure (40) is connected to the second end of the rod body (30).

2. The tension bolt according to claim 1, characterized in that: The rod body (30) comprises a threaded portion (31) and a rigid portion (32), the threaded portion (31) being connected to the rigid portion (32), two threaded portions (31) being provided, and the two threaded portions (31) being respectively provided at two ends of the rigid portion (32), the fixed base (10) being provided with a threaded hole (14), one of the two threaded portions (31) being threadedly connected to the threaded hole (14), and the other of the two threaded portions (31) being connected to the locking structure (40), and at least a portion of the rigid portion (32) being provided through the sleeve (20).

3. The tension bolt according to claim 2, characterized in that: The fixed base (10) comprises a connecting portion (11) and a fixing portion (12), two fixing portions (12) are provided, the two fixing portions (12) are respectively connected to the connecting portion (11), the fixing portion (12) is suitable for connecting to the template (50), and the connecting portion (11) is provided with the threaded hole (14).

4. The tension bolt according to claim 3, characterized in that: The fixing base (10) further comprises a fixing screw (13), wherein the fixing screw (13) passes through the fixing portion (12) and fixes the fixing portion (12) on the template (50).

5. The tension bolt according to any one of claims 1 to 4, characterized in that: The locking structure (40) comprises a nut (41), the nut (41) is connected to the second end of the rod body (30), and the nut (41) is suitable for abutting against the template (50).

6. The tension bolt according to claim 5, characterized in that: The locking structure (40) further comprises a steel pipe (42), wherein the steel pipe (42) abuts against the nut (41), and the steel pipe (42) is suitable for abutting against the template (50). Two steel pipes (42) are provided, and the two steel pipes (42) are provided on both sides of the rod body (30).

7. The tension bolt according to any one of claims 1 to 4, characterized in that: The sleeve (20) is a PVC sleeve.

8. A hanging mold system, characterized in that: The invention comprises the tension bolt according to any one of claims 1 to 7.

9. The hanging formwork system according to claim 8, characterized in that: The hanging mold system also includes a template (50), the fixing portion (12) is connected to the template (50), and the locking structure (40) is in abutment with the template (50).

10. The hanging formwork system according to claim 9, characterized in that: The template (50) comprises a plate body (51) and a keel (52), the plate body (51) is connected to the keel (52), the fixing portion (12) is connected to the plate body (51), and the locking structure (40) is in abutment with the keel (52).

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