TWI765429B - Forming device - Google Patents

Abstract

A forming device for reserving holes in concrete floor slabs. The forming device comprises a chassis, a collar, a screw, a sleeve and a top cover. The chassis has a raised structure. The top surface of the raised structure has a screw hole. The collar is sleeved on the raised structure. The top cover is perforated and sealed on the upper end of the sleeve. The sleeve is a hollow cylinder. The screw passes through the perforation of the top cover, the barrel of the sleeve and the screw holes of the chassis in order to fix the sleeve on the template. The screw, the chassis, the sleeve and the top cover are fixed together. Thereby, the forming device can strengthen the connection between the chassis and the screw, ensure that the construction results achieve the expected results, and improve the construction efficiency.

Description

forming device

The invention relates to the technical field of building construction, in particular to a forming device for reserving holes in concrete floor slabs.

Most of the clean places of the clean room are multi-storey buildings. The upper layer is equipped with an air supply system, and the middle layer is the workshop. The lower part of the workshop has a return air hole and is connected to the return air space on the lower layer. When the clean room is in operation, the upper air supply system blows the filtered air down to the work room, and the airflow passes through the work room and passes through the lower air return hole to the lower air return space, and then circulates to the upper air supply area. , to achieve air circulation in a closed clean room.

At present, during the construction process of reserving holes in the concrete floor as return air holes, when the screws are fixed on the chassis, the connection stability between the screws and the chassis is poor, so that the sleeve cannot be fixed in the expected area, and the final return air is formed. The holes do not meet the construction standards.

In addition, since the screw holes on the chassis must correspond to the size of the screw, and the screw is long, it is inconvenient for the screw to be inserted into the screw hole, which affects the construction efficiency.

Therefore, the main purpose of the present invention is to provide a molding device to solve the above problems.

The purpose of the present invention is to provide a molding device, which can strengthen the connection between the chassis and the screw, ensure that the construction results achieve the expected effect, and improve the construction efficiency.

To achieve at least one of the above advantages or other advantages, an embodiment of the present invention provides a forming device for preparing holes in a concrete floor, the forming device includes a chassis, a collar, a screw, a sleeve and a top cover.

The chassis has a raised structure, the top surface of the raised structure has screw holes, the collar is sleeved on the raised structure, the top cover has a perforation and is covered on the upper end of the sleeve, the sleeve is a hollow barrel, and the screws are in sequence Through the perforation of the top cover, the barrel body of the sleeve and the screw holes of the chassis, the sleeve is fixed on the template, and the screw rod, the chassis, the sleeve and the top cover are fixedly connected as a whole.

In some embodiments, the chassis includes a flat plate, and the protruding structure is integrally formed on the upper surface of the flat plate.

In some embodiments, the chassis includes a flat plate, and the protruding structure includes a nut connected to the upper surface of the flat plate by welding.

In some embodiments, the upper side of the collar has a guide portion for guiding the screw to pass through the collar to be screwed into the screw hole, and the lower side of the collar has a fitting portion for socketing the screw Raised structure.

In some embodiments, the guide portion has a flared-out upper tube wall, the sleeve portion has a cover-shaped lower tube wall to facilitate being nested and fixed on the protruding structure, and the cover-shaped lower tube wall The top surface has an opening to expose the screw hole of the protruding structure.

In some embodiments, the upper pipe wall includes a vertical section, an inclined section and an arc section, the inclined section is connected to the upper end of the vertical section and extends along the radial outward expansion of the collar, the inclined section and the horizontal plane There is an included angle between them, and the included angle is between 65° and 90°, and the arc-shaped section is connected to the outer end of the inclined section.

In some embodiments, the diameter of the vertical section is slightly greater than or equal to the diameter of the screw diameter.

In some embodiments, the lower end of the sleeve includes a horizontal portion extending horizontally along a radial outward expansion of the sleeve.

In some embodiments, the horizontal portion is attached to the template via tape or glue.

In order to achieve at least one of the above advantages or other advantages, another embodiment of the present invention further provides a forming device for reserving holes in the concrete floor, the forming device includes a circular chassis, a collar, a top cover, a casing Barrel and screw.

The circular chassis has a raised structure, and the top surface of the raised structure has screw holes. The collar is sleeved on the protruding structure. The top cover has perforations and covers the upper end of the sleeve. The sleeve is a hollow barrel. The circular base plate corresponds to the shape of the lower end of the sleeve, and the size of the circular base plate is approximately equal to the size of the lower end of the sleeve, so that the sleeve is sleeved on the circular base plate. The screw passes through the perforation of the top cover, the barrel of the sleeve and the screw hole of the circular chassis in sequence, so as to fix the sleeve on a template, and connect the screw, the circular chassis, the sleeve and the top cover into one overall.

Therefore, by using the forming device provided by the present invention, the connection between the chassis and the screw can be strengthened by the arrangement of the collar, so as to ensure that the construction results achieve the expected effect. In addition, the guide part of the collar can also facilitate the screw locking of the screw in the screw hole, thereby improving the construction efficiency.

The above description is only an overview of the technical solution of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other objects, features and advantages of the present invention more obvious and easy to understand , the preferred embodiments are given below, and the detailed description is as follows in conjunction with the drawings.

10, 10': forming device

12: Template

14, 14': Chassis

142, 142': Raised structure

144: screw hole

145: Screws

146: Flat

1422: Nut

15: Round chassis

16: Collar

162: Guidance Department

164: Fitting department

166: Upper tube wall

168: Down Tube Wall

169: Opening

61: Vertical segment

62: Inclined segment

63: Arc Segment

18: Screw

20: Sleeve

202: Horizontal Section

22: Top cover

222: perforation

24: Nut

26: Gasket

28: Tape

α: included angle

The drawings, which are included to provide a further understanding of the embodiments of the present application, constitute a part of the specification, are used to illustrate the embodiments of the present application, and together with the written description, serve to explain the principles of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and for those of ordinary skill in the art, other drawings can naturally be derived from these drawings. In the schema:

[Fig. 1] is an exploded schematic view of the molding apparatus of the present invention.

[ Fig. 2 ] is an enlarged schematic view of A in Fig. 1 .

[FIG. 3] is a perspective view of another embodiment of the chassis of the present invention.

[Fig. 4] is a partial cross-sectional schematic view of the lower end of the sleeve of the present invention.

[Fig. 5] is a half-cut perspective schematic view of the molding device of the present invention.

[ Fig. 6 ] is an enlarged schematic view of B in Fig. 5 .

[Fig. 7] is a schematic sectional view of the collar of the present invention.

[FIG. 8] is an exploded schematic view of another embodiment of the molding apparatus of the present invention.

Specific structural and functional details disclosed herein are merely representative and for purposes of describing exemplary embodiments of the present invention. However, the present invention may be embodied in many alternative forms and should not be construed as limited only to the embodiments set forth herein.

In the description of the present invention, it should be understood that the terms "center", "lateral", "top", "bottom", "left", "right", "vertical", "horizontal", "top", The orientations or positions indicated by "bottom", "inside", "outside", etc. are based on the orientations or positions shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated A structure or component must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. also, The terms "first" and "second" are only used for descriptive purposes, and should not 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 expressly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "plurality" means two or more. Additionally, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

The terminology used herein is for the purpose of describing specific embodiments only and is not intended to limit the exemplary embodiments. As used herein, the singular forms "a", "an" and "an" are intended to include the plural unless the context clearly dictates otherwise. It should also be understood that the terms "comprising" and/or "comprising" as used herein specify the presence of stated features, integers, steps, operations, units and/or components, but do not preclude the presence or addition of one or more Other features, integers, steps, operations, units, components and/or combinations thereof.

Please refer to FIG. 1 , which is an exploded schematic view of the molding device 10 of the present invention. In order to achieve at least one of the aforementioned advantages or other advantages, an embodiment of the present invention provides a molding device 10 for preparing holes in a concrete floor slab. As shown in FIG. 1 , the forming apparatus 10 includes a base plate 14 , a collar 16 , a screw 18 , a sleeve 20 and a top cover 22 . Looking further, the chassis 14 has a protruding structure 142 , the top surface of the protruding structure 142 has a screw hole 144 , and the top cover 22 has a through hole 222 .

The chassis 14 is fixed on the template 12 . In one embodiment, the chassis 14 is made of metal material, such as steel, aluminum, composite metal, etc., to provide sufficient structural strength. The chassis 14 can be fixed on the template 12 by screw locking, bonding or other fixing methods.

The collar 16 is sleeved on the protruding structure 142 to strengthen the connection between the screw 18 and the chassis 14 , so that the screw 18 and the chassis 14 are firmly connected. In one embodiment, the collar 16 is a plastic collar with good guiding properties. Specifically, the screw 18 is screwed into the screw hole 144 through the collar 16 to be fixed on the chassis 14 . The sleeve 20 is a hollow cylinder, which is covered on the template 12 outside the chassis 14 , and the screw 18 is located in the cylinder of the sleeve 20 . The top cover 22 can cover the upper end of the sleeve 20 through its own through holes 222 for the screw 18 to pass through. That is to say, the screw 18 passes through the through hole 222 of the top cover 22 , the barrel of the sleeve 20 and the screw hole 144 of the chassis 14 in sequence from top to bottom, so as to fix the sleeve 20 on the template 12 and fix the screw 18 , The chassis 14, the sleeve 20 and the top cover 22 are fixedly connected as a whole, and will not be broken due to loads such as construction. In addition, the screw hole 144 , the sleeve 20 and the through hole 222 can also be penetrated from the bottom to the top of the screw rod 18 to connect the screw rod 18 , the chassis 14 , the sleeve 20 and the top cover 22 as a whole. In one embodiment, as shown in FIG. 1 , the forming device 10 may further include a nut 24, which is locked on the upper end of the screw 18 to strengthen the engagement of the fixed top cover 22, the sleeve 20 and the chassis 14 to avoid top The cover 22 is offset from the sleeve 20 . For further explanation, the molding device 10 may further include a washer 26 , which is disposed between the nut 24 and the through hole 222 through the screw 18 , so as to prevent the nut 24 from directly touching the top cover 22 and strengthen the connection.

In one embodiment, as shown in FIG. 2 , the chassis 14 includes a flat plate 146 , and the aforementioned protruding structure 142 is formed on the upper surface of the flat plate 146 in an integral molding manner. The protruding structure 142 is a hollow structure, and the hollow portion in the middle is a screw hole 144 for screwing the screw 18 . The flat plate 146 is fixed on the template 12 by means of locking with screws 145 . However, this case is not limited to this. yet another embodiment 3, the chassis 14' includes a flat plate 146, the protruding structure 142' includes a nut 1422, which is connected to the upper surface of the flat plate 146 by welding, and the screw holes 144 of the nut 1422 are used for screwing Fixed screw 18.

In one embodiment, as shown in FIG. 4 , a partial enlarged view of the lower end of the sleeve 20 , the lower end of the sleeve 20 includes a horizontal portion 202 , the horizontal portion 202 expands outward along the radial direction of the sleeve 20 and is horizontal extend. The horizontal portion 202 is adhered to the template 12 through the adhesive tape 28 to fix the sleeve 20 on the template 12 to prevent slurry leakage, facilitate construction, and improve the efficiency of installing the sleeve 20 . In addition to the adhesive tape 28, the horizontal portion 202 can also be adhered to the template 12 through glue.

Please refer to FIGS. 5 , 6 and 7 , FIG. 5 is a half-cut perspective view of the molding device 10 of the present invention, FIG. 6 is an enlarged schematic view of B in FIG. 5 , and FIG. As shown in the figure, the upper side of the collar 16 has a guide portion 162 for guiding the screw 18 to pass through the collar 16 and screw into the screw hole 144 . The lower side of the collar 16 has an engaging portion 164 for engaging the protruding structure 142 . To further illustrate, the guide portion 162 has a flared upper tube wall 166 to guide the screw 18 , and the sleeve portion 164 has a cover-shaped lower tube wall 168 to facilitate the sleeve ring 16 to be sleeved and fixed on the protruding structure 142 . An opening 169 is formed on the top surface of the lid-shaped lower tube wall 168 to expose the screw hole 144 of the protruding structure 142 .

The upper pipe wall 166 includes a vertical section 61 , an inclined section 62 and an arcuate section 63 . The inclined section 62 is connected to the upper end of the vertical section 61 and extends outward along the radial direction of the collar 16 , that is, it extends obliquely outward along the diameter direction of the cross section of the collar 16 , and the inclined section 62 has an included angle with the horizontal plane. a. The arc-shaped section 63 is connected to the outer end of the inclined section 62 , that is, the uppermost end of the inclined section 62 in FIG. 7 . It is further explained that the vertical section 61 can be used to straighten the screw 18 and guide the screw 18 into the screw hole 144 correctly, that is, make the lower end of the screw 18 face the screw hole 144 . The inclined section 62 and the arc section 63 play a guiding role for the screw rod 18 to facilitate the screw lock of the screw rod 18 to the screw hole 144 .

In one embodiment, the included angle α is between 65° and 90°, wherein, when the included angle α is 75° or 85°, it has a good guiding effect.

In one embodiment, the diameter of the vertical section 61 of the collar 16 is slightly larger than or equal to the diameter of the screw 18 , so that the vertical section 61 can abut against the screw 18 so as to provide a fixed support for the screw 18 . The diameter of the inclined section 62 gradually increases from bottom to top. The arc-shaped section 63 is connected from the inclined section 62 to the upper end surface of the collar 16, and the diameter is larger than that of the inclined section 62. The bottom passes through the through hole 222 of the top cover 22 , the barrel of the sleeve 20 and the screw hole 144 of the chassis 14 in order to have a guiding function. In addition, each diameter mentioned above means the diameter of a cross section. The diameter of the cross section of the sleeve 164 is slightly larger than or equal to the diameter of the upper end of the protruding structure 142 , so that the sleeve 16 is sleeved on the protruding structure 142 .

It is added that the fitting portion 164 of the collar 16 corresponds to the structure of the protruding structure 142. For example, the protruding structure 142 includes a hexagonal nut 1422, and the shape of the fitting portion 164 is hexagonal and is Cap-shaped, so that the collar 16 is fixed on the raised structure 142 . The collar 16 of this case can also be fixed on the protruding structure 142 by means of snapping, embedding, tenon-and-mortise connection or the like. The diameter of the upper pipe wall 166 of the collar 16 is gradually reduced or gradually reduced from top to bottom to achieve a guiding effect.

Please refer to FIG. 8, which is an exploded schematic view of another embodiment of the molding device 10' of the present invention. The same parts as those of the molding device 10 shown in FIG. 1 , FIG. 5 and FIG. 7 will not be repeated. In this embodiment, the chassis of the forming device 10 ′ is a circular chassis 15 , the central area of the circular chassis 15 has a protruding structure 142 , the top surface of the protruding structure 142 has screw holes 144 , and 16 sets of collars Set on the protruding structure 142 , the collar 16 is the same as the structure shown in FIG. 7 and will not be repeated here. The circular base plate 15 corresponds to the shape of the lower end of the sleeve 20, and the size of the circular base plate 15 is approximately equal to the size of the lower end of the sleeve 20, so that the sleeve 20 can be sleeved and fixed on the circular base plate 15 to form sealed structure to avoid Prevent concrete from infiltrating into the sleeve 20 from the bottom.

To sum up, using the molding device 10 provided by the present invention, the connection between the screw 18 and the chassis 14 can be guided and strengthened by the arrangement of the collar 16, so as to ensure that the construction results achieve the desired effect. The opening on the guide portion 162 of the collar 16 is expanded, which helps to guide the screw 18 into the collar 16 during construction, and allows the screw 18 to be accurately aligned with the screw hole 144, so as to facilitate the screw lock of the screw 18 in the screw hole. 144, greatly improving construction efficiency.

The above detailed description of the preferred embodiments is intended to describe the features and spirit of the present invention more clearly, rather than limiting the scope of the present invention by the preferred embodiments disclosed above. On the contrary, the intention is to cover various modifications and equivalent arrangements within the scope of the claimed scope of the present invention.

10: Forming device

12: Template

14: Chassis

142: Raised structure

144: screw hole

145: Screws

146: Flat

16: Collar

18: Screw

20: Sleeve

202: Horizontal Section

22: Top cover

222: perforation

24: Nut

26: Gasket

Claims (11)

A molding device for reserving holes in a concrete floor, the molding device comprising: a chassis with a raised structure, the top surface of the raised structure has a screw hole; a set of rings sleeved on the raised structure a top cover with a perforation; a sleeve, which is a hollow barrel, wherein the top cover is capped on the upper end of the sleeve; and a screw, which passes through the perforation, The barrel of the sleeve and the screw hole of the chassis are used to fix the sleeve on a template, and the screw rod, the chassis, the sleeve and the top cover are fixedly connected as a whole, wherein the The upper side of the collar has a guide portion for guiding the screw rod to pass through the collar to be screwed into the screw hole, and the lower side of the collar has a fitting portion for socketing the protruding structure. The molding device according to claim 1, wherein the chassis comprises a flat plate, and the protruding structure is formed on the upper surface of the flat plate in an integral molding manner. The forming device according to claim 1, wherein the base plate comprises a flat plate, and the protruding structure comprises a nut, which is connected to the upper surface of the flat plate by welding. The molding device as claimed in claim 1, wherein the guide portion has a flared-out upper tube wall, the sleeve portion has a cover-shaped lower tube wall to facilitate nesting and fixing on the protruding structure, and in the The top surface of the cap-shaped down tube wall has an opening to expose the screw hole of the protruding structure. The forming device according to claim 4, wherein the upper pipe wall comprises: a vertical section; an inclined section connected to the upper end of the vertical section and extending along the radial direction of the collar, wherein the There is an included angle between the inclined section and the horizontal plane, and the included angle is between 65° and 90°; and An arc-shaped segment is connected to the outer end of the inclined segment. The molding device of claim 5, wherein the diameter of the vertical section is slightly larger than or equal to the diameter of the screw. The molding device according to claim 1, wherein the lower end of the sleeve includes a horizontal portion, and the horizontal portion extends horizontally along the radial outward expansion of the sleeve. The molding device of claim 7, wherein the horizontal portion is adhered to the template through tape or glue. A forming device is used for reserving holes in a concrete floor, the forming device comprises: a circular chassis with a protruding structure, the top surface of the protruding structure has a screw hole; a set of rings sleeved on the protruding structure In structure; a top cover with a perforation; a sleeve, which is a hollow barrel, wherein the top cover covers the upper end of the sleeve, and the circular chassis corresponds to the shape of the lower end of the sleeve , the size of the circular base plate is approximately equal to the size of the lower end of the sleeve, so that the sleeve is sleeved on the circular base plate; a screw is sequentially passed through the through hole of the top cover, the The barrel body and the screw hole of the circular base plate are used to fix the sleeve on a template, and the screw rod, the circular base plate, the sleeve and the top cover are fixedly connected as a whole. Among them, the collar The upper side has a guide portion for guiding the screw rod through the collar to be screwed into the screw hole, and the lower side of the collar has a fitting portion for socketing the protruding structure. The molding device according to claim 9, wherein the guide portion has a flared-out upper pipe wall, and the sleeve portion has a cover-shaped lower pipe wall to facilitate nesting and fixation on the protruding structure, and in the The top surface of the cap-shaped down tube wall has an opening to expose the screw hole of the protruding structure. The forming device according to claim 10, wherein the upper pipe wall comprises: a vertical section; an inclined section connected to the upper end of the vertical section and extending along the radial direction of the collar, wherein the There is an included angle between the inclined section and the horizontal plane, and the included angle is between 65° and 90°; and an arc section is connected to the outer end of the inclined section.

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