CN206554509U - formwork kit - Google Patents

Abstract

The utility model provides a template external member, contains a self tapping screw and at least one and leans on the unit, this self tapping screw contains a transmission portion that sets up at this self tapping screw one end, a tapping portion that sets up at this self tapping screw other end and a ring establish around this self tapping screw and be located this transmission portion and should attack the spiral portion between the tooth portion, this tapping portion contains one and attacks the tooth body and one sets up the pointed end of keeping away from this spiral portion one end at this tapping body, the thickness of this tapping body is steadilyd decrease by a department towards this pointed end direction near this spiral portion, the thickness that should attack a body and meet this pointed end department is nonzero. The abutting unit comprises a disc body and a screw cap arranged at the center of the disc body, and a through hole for arranging the screw cap is formed in the center of the disc body. The combination can reduce the impact force of slurry poured between the templates, the disc body and the screw cap are directly arranged into a whole body, so that construction can be easily carried out by constructors, and in addition, the thickness of the tapping body is improved, so that the service life can be prolonged.

Description

formwork kit

technical field

The utility model relates to a formwork set, in particular to a formwork set which is used in construction and can be easily constructed, has a long service life and reduces the owner's cost.

Background technique

Please refer to FIG. 1 , which is a formwork accessory 1 currently used in formwork building construction operations. The formwork accessory 1 includes a self-tapping screw 20 and at least one abutment group 21 screwed to the self-tapping screw 20 , the self-tapping screw 20 includes a transmission section 200 arranged at one end of the self-tapping screw 20, a tapping section 201 arranged at the other end of the self-tapping screw 20, and a set at the outer periphery of the self-tapping screw 20 and positioned at The threaded section 202 between the transmission section 200 and the tapping section 201 .

The tapping section 201 has a tapping body 203 adjacent to the threaded section 202 and a tip 204 connected to an end of the tapping body 203 away from the threaded section 202 . The thickness of the tapping body 203 decreases from a point close to the threaded section 202 to zero toward the tip 204 to form an angle. The abutment group 21 includes a disc body 210 for the self-tapping screw 20 to penetrate and a nut 211 screwed to the threaded section 202 , and a perforation for the self-tapping screw 20 to penetrate is provided at the center of the disc body 210 212.

When in use, construction workers first set a cover 22 on the transmission section 200 and then connect the cover 22 with a power tool, then start the power tool and extend the self-tapping screw 20 to a template 23 to carry out drilling operations. After the self-tapping screw 20 penetrates each of the templates 23, the plate body 210 sleeves the tapping section 201 through the perforation 212 and abuts against the template 23, and then uses the nut 211 to sleeve the tapping Section 201 is screwed to the threaded section 202, and the other side is also drilled on another template 23 with the aforementioned process, and the transmission section 200 is sleeved with the disc body 210 and the nut 211, so that both sides Each of the templates 23 is fastened on both ends of the self-tapping screw 20 , and then grouting is performed in the space between each of the templates 23 .

Since the tip 204 has a sharp angle, when the tip 204 drills holes for each of the templates 23 , it is easy to be worn and flattened, resulting in short service life. In addition, when the construction personnel set the disc body 210 and the nut 211 on the self-tapping screw 20, it takes two labors, which not only increases the construction time, but also causes inconvenience to the construction personnel.

In addition, since the disc body 210 and the nut 211 are separate components, construction personnel may drop and lose the disc body 210 or the nut 211 due to shaking when assembling or disassembling, which may increase the cost. If in the construction process, not only the cost is increased, but also the construction personnel must spend some time to get another set of new components, which will increase the construction time. Therefore, the prior art has shortcomings such as low service life, inconvenient construction and increased cost, so there is a need for further improvement.

Utility model content

The technical problem solved by the utility model is to propose a formwork kit that can be easily constructed, reduce costs and improve service life.

The technical means adopted in the utility model are as follows.

According to the above purpose, the utility model proposes a formwork set, which includes a self-tapping screw and at least one abutment unit, and the self-tapping screw includes a transmission part arranged at one end of the self-tapping screw, and a transmission part arranged at one end of the self-tapping screw. The tapping portion at the other end and a ring are arranged around the self-tapping screw rod and the spiral portion between the transmission portion and the tapping portion. The tapping part includes a tapping body and a tip arranged at the end of the tapping body away from the spiral part, the thickness of the tapping body decreases from a place close to the spiral part toward the tip, and the tapping body The thickness where it touches the tip is non-zero. The abutting unit includes a disc body and a nut arranged at the center of the disc body for the self-tapping screw to be threaded and screwed on. The center of the disc body is provided with a through hole for setting the nut.

The technical effect produced by the utility model: it can be easily constructed, the cost can be reduced and the service life can be improved.

Description of drawings

Fig. 1 is a cross-sectional view of a conventional formwork fitting and formwork.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is the schematic diagram of drilling operation on the formwork of the utility model.

Fig. 4 is a sectional view of the utility model assembled to the template.

Fig. 5 is a perspective view of another form of the sleeve unit in the present invention.

Description of figure number:

Accustomed to know

Formwork accessories.1 Self-tapping screw.20

Transmission section.200 Tapping section.201

Thread section.202 Tapping body.203

tip .204 against group .21

Disk body.210 Nut.211

Perforation.212 Kit.22

template.23

The utility model

Template kit.3 Self-tapping screw.4

Transmission part.40 Tapping part.41

Tapping body.410 Tip.411

Spiral.42 Neck.43

Abutment unit.5 Disk body.50

Perforation.500 Groove.501

Protrusion.502 Nut.51

Set unit.6 Socket.60

Accommodating space.600 Hole.601

Starting part.61 Magnetic parts.62

template.7.

detailed description

Referring to Fig. 2 to Fig. 4, the utility model proposes a formwork kit 3 that can be used in formwork building construction, including a self-tapping screw 4, at least one abutment unit 5 and a set unit 6. The self-tapping screw 4 includes a transmission part 40 arranged at one end of the self-tapping screw 4, a tapping part 41 arranged at the other end of the self-tapping screw 4, and a ring arranged around the self-tapping screw 4 and positioned on the self-tapping screw 4. The screw portion 42 between the transmission portion 40 and the tapping portion 41 . The tapping portion 41 includes a tapping body 410 and a tip 411 disposed at the end of the tapping body 410 away from the spiral portion 42 , the thickness of the tapping body 410 is from a point close to the spiral portion 42 toward the tip 411 The direction decreases, and the thickness of the tapping body 410 where it meets the tip 411 is non-zero; in other words, the tapping body 410 maintains a certain thickness. The thickness of the tip 411 is increased, so that when a template 7 is drilled, it is not easy to be worn and flattened and the service life can be improved. In one embodiment, the diameter of the tapping portion 41 can be set larger than the diameter of the helical portion 42 as appropriate, so that the helical portion 42 can easily penetrate the template 7 .

The abutment unit 5 includes a disc body 50 and a nut 51 directly connected to the center of the disc body 50 for the self-tapping screw 4 to be threaded. Perforation 500 of cap 51 . The sleeve unit 6 includes a sleeve portion 60 disposed on one end of the sleeve unit 6 and sleeved on the transmission portion 40 , and an activation portion 61 disposed on the other end of the sleeve unit 6 . The socket portion 60 includes an inner accommodating space 600 and an opening 601 defined at one end of the socket portion 60 and communicating with the accommodating space 600 .

In practical application, the sleeve unit 6 can not only be used as an auxiliary tool for drilling the self-tapping screw 4 on the template 7 by a power tool, but also can set the opening 601 to match the nut 51, so as to It is easy to assemble or disassemble the nut 51 and the disc body 50 through the sheathing unit 6, reducing the working time. The opening 601 can be a torx opening or a hexagonal opening, but not limited thereto.

Continuing to refer to Fig. 3 and Fig. 4, the actual action description of the template set 3 will be described in detail, and the following two templates 7 and two sets of abutting units 5 will be used as examples for illustration. Firstly, construction workers connect the power tool to the starting part 61 and sleeve the transmission part 40 to the accommodating space 600, then start the power tool and rotate the self-tapping screw 4 to drill each template 7 Hole work. After the drilling operation is completed and the self-tapping screw 4 passes through the templates 7, each abutment unit 5 is respectively sleeved with the nut 51 to connect the two ends of the self-tapping screw 4 until each disc body 50 against each of the templates 7 respectively, presenting opposite setting directions at relative positions. Continue to implement grouting in the space between each of the formworks 7, and then disassemble each of the abutment units 5 after the concrete is solidified, thereby completing the construction of the formwork building.

On top of that, the disc body 50 and the nut 51 are directly integrated into one body, and construction workers can easily assemble it to the self-tapping screw 4 or disassemble it from the self-tapping screw 4, and even it is not easy to be shaken. It has the advantages of shortening the construction time due to impact on drop and loss, and can reduce costs by repeated use, which is different from the lack of separation of existing technical features and long construction time and high cost.

In one embodiment, the self-tapping screw 4 includes a neck 43 disposed between the transmission part 40 and the tapping part 41 and close to the tapping part 41, which can not only be used for reaming, but also as a The purpose of adjusting the distance is to allow the construction personnel to expand and contract the self-tapping screw 4 to facilitate adjustment of the distance between the templates 7 .

Further, one end of the disc body 50 screwed to the self-tapping screw 4 is provided with a plurality of grooves 501 distributed outside the through hole 500 and a plurality of protrusions 502 arranged between each of the grooves 501, and The grooves 501 and the protrusions 502 are disposed on an end of the tray body 50 facing the template 7 . The force-receiving surface between each of the trays 50 and each of the templates 7 is increased by the protrusions 502 , so that each of the templates 7 is more firmly against each of the trays 50 and is not easy to shift.

Referring to Fig. 2 again, when the disc body 50 and the nut 51 are assembled on the self-tapping screw 4 or disassembled from the self-tapping screw 4, the nut 51 is sleeved on the opening 601 and rotated. , so that construction personnel can easily assemble or disassemble the disc body 50 and the nut 51, even in one embodiment, the sleeve unit 6 includes a magnetic piece 62, and the magnetic piece 62 can be arranged in the accommodating space 600 , or as shown in FIG. 5 , it is arranged on the outer periphery of the opening 601 , and the magnetic member 62 holds the disk body 50 and the nut 51 to make the operation easier and more convenient.

To sum up, increasing the thickness of the tip 411 makes it less prone to abrasion and flattening when each template 7 is drilled, so that the service life can be improved. Again, the disc body 50 and the nut 51 are directly integrated into one body, and construction workers can simply assemble it on the self-tapping screw 4 or disassemble it from the self-tapping screw 4 when assembling, and it is even not easy Due to the impact of shaking, it has the effects of shortening the construction time and reducing costs due to repeated use. Moreover, these protrusions 502 can increase the force-bearing surface between each of the trays 50 and each of the templates 7, so that each of the templates 7 is more firmly against the tray 50 and it is not easy to make each of the templates 7 offsets. In addition, the magnetic member 62 attracts the disc body 50 and the nut 51 , which makes it easier for construction personnel to assemble or disassemble the disc body 50 and the nut 51 .

Claims (9)

1. A formwork set, characterized in that, the formwork set comprises: A self-tapping screw, the self-tapping screw includes a transmission part arranged at one end of the self-tapping screw, a tapping part arranged at the other end of the self-tapping screw and a ring arranged around the self-tapping screw and positioned on the transmission The screw portion between the tapping portion and the tapping portion, the tapping portion includes a tapping body and a tip arranged at the end of the tapping body away from the screw portion, the thickness of the tapping body is determined by a decreases toward the tip, and the thickness of the tapping body at the point where it meets the tip is non-zero; and At least one abutting unit, the abutting unit includes a plate body and a nut arranged at the center of the plate body and used for the threading of the self-tapping screw, and a hole for setting the nut is provided at the center of the plate body perforation. 2. The formwork set according to claim 1, wherein the end of the disc body screwed to the self-tapping screw is provided with a plurality of grooves distributed outside the perforation and a plurality of grooves arranged in each of the grooves. The protrusion between the grooves. 3 . The formwork kit according to claim 1 , wherein the self-tapping screw comprises a neck disposed between the transmission portion and the tapping portion and close to the tapping portion. 4 . 4 . The formwork set according to claim 1 , wherein a wide diameter of the tapping portion is larger than a wide diameter of the spiral portion. 5 . 5. The formwork set according to any one of claims 1 to 4, characterized in that it also comprises a set unit, the set unit includes a sleeve arranged at one end of the set unit and socketed on the transmission part The connecting part and an actuating part arranged at the other end of the sleeve unit, the sleeve part includes an internal accommodating space and an opening opened at one end of the sleeve part and communicating with the accommodating space. 6. The formwork kit according to claim 5, wherein the hole fits the nut. 7. The formwork kit according to claim 6, wherein the opening is a torx opening. 8 . The formwork kit according to claim 5 , wherein the sleeve unit comprises a magnetic component placed in the accommodating space. 9. The formwork kit according to claim 5, further comprising a power tool connected to the starting part.