CN110621831A - Bar-shaped object holder - Google Patents

Abstract

The present invention relates to a strip holder divided into a first part and a second part, the first part comprising a first end of the strip holder and the second part comprising a second end of the strip holder opposite the first end, the first part having a protrusion inserted into an entrance of the second part, the protrusion being slidable into the entrance such that the length of the strip holder can be adjusted. The stick holder further comprises at least one pressure means at the first end and/or the second end.

Description

Bar-shaped object holder

The present invention relates to a support for a formwork. More particularly, the present invention relates to horizontal formwork beams supported on vertical struts, commonly referred to as bar retainer beams, main beams, foundation beams or simply bar retainers (runnerroders).

At present, different kinds of beams are known for forming the formwork. However, a problem with standard beams for formwork supports is the fact that they have a fixed and determined length. In many cases the length of the beam does not correspond exactly to the desired length between the formwork. In view of this possibility, the operator typically cuts other beams to connect them to the standard beam and ensures that the support beams exist from wall to wall without breaks or spaces between the formwork beams and the formwork itself. Another possibility consists in placing the beams discontinuously but adjacent to each other so that their paths overlap. However, this increases the number of posts necessary to support the bar holder and therefore reduces the spacing between the posts, making it difficult or even obstructing for the operator to pass.

The object of the present invention is to disclose a novel stick retainer which provides a solution to the above mentioned problems.

To this end, the invention discloses a stick holder according to claim 1. Preferred embodiments of the invention are contained in the dependent claims.

The invention discloses a strip holder, which is divided into a first part and a second part, wherein the first part is provided with a first end of the strip holder, the second part is provided with a second end of the strip holder opposite to the first end, the first part is provided with a protruding part inserted into a notch of the second part, and the protruding part can slide in the notch. This sliding allows the length of the stick holder to be adjustable. Furthermore, the invention comprises a pressure device at the first end and/or the second end.

An advantage of the beam with variable length according to the invention is that the operator does not have to cut other beams to connect them to a standard beam in order to obtain the specific length required. According to another aspect of the invention, the telescopic beam or the adjustable strip holder has a pressure device at least at one end and preferably at both ends. In this way, the stick holder can be adjusted in a fixed manner between two vertical structures (such as walls). The pressure device may be an elastic and deformable element that can store and release energy without undergoing permanent deformation upon termination of the (compressive) or tensile (pressure) forces to which the pressure device is subjected. The pressure device is designed such that when the adjustable bar holder is in the operative position, the length of the pressure device is significantly reduced when the pressure device is subjected to an axial (compressive) force, i.e. when the pressure device is located between one wall and another wall or between one top and another top. The pressure means may consist of a chamfered cut-out at the end of the strip holder, which cooperates with a wedge to establish pressure on the horizontal structure or wall.

The adjustable bar holder with pressure means according to the invention is particularly advantageous in a one-piece construction. Monolithic structures are one type of structure that constructs a building or structure in a single block. The integrated system allows for high speed execution and build assembly and reduces labor, since the major build costs are minimized due to short execution times. Monolithic structures are generally characterized as having small spans, typically up to 3 meters. In building construction, engineering and construction, the term span is often used to denote the horizontal projected distance that exists between the supports of a beam.

The invention is also advantageous in that it can be reused in different monolithic designs compared to a standard beam, i.e. it can be used in different items with different designs varying with size. The fact that there are a range of length values rather than a single fixed and defined length means that it can be used in many items and designs of monolithic structures.

A strut may be defined as a structural element with a very small transverse cross-section compared to its adjustable height, which temporarily supports the horizontal formwork structure, usually by means of a strip holder beam.

Furthermore, the adjustable strip holder according to the invention is particularly advantageous in a monolithic structure, since it makes it possible to use two struts in length for each beam, instead of the three struts used by the standard system, where the third strut corresponds to the overlap between the strip holders having a fixed length. Thus, the present invention can reduce the number of struts used in a monolithic structure. The fact that only two struts are used is particularly advantageous because the monolithic structure is usually small, although the dimensional range can indeed vary greatly. Typically the length (span) between walls is less than 3 metres. This means that the space inside the wall is small and therefore the space for the operator to construct and assemble the building or structure is very limited. Moreover, the operators must avoid obstacles that make their work difficult, for example working avoiding the different construction elements used (such as, for example, pillars, plates, bar holders, tripods, etc.). The fact of using the adjustable strip holder according to the invention allows the operator to perform their work activities in a monolithic structure in better conditions.

According to a preferred embodiment, the pressure means comprise a bevelled cut provided at the first and/or second end of the strip holder, so as to insert a wedge between said bevelled cut in the end of the strip holder and the vertical structure or wall. The wedge makes it possible to easily fix the adjustable strip holder and to remove it in the same way when the formwork stage is completed and the strip holder is not needed.

Preferably the chamfer cut of the second end of the adjustable strip holder has the same cutting angle as the pressure means, so that it is adapted to be inserted into the pressure means in the form of a wedge between the telescopic beam and the wall or roof.

More preferably, the chamfer forms an angle of between 85 ° and 45 ° with the longitudinal axis of the strip holder. More preferably, the chamfer forms an angle of 80 ° with the longitudinal axis of the strip holder.

The pressure means may further comprise a resilient member in the form of a resilient stop, which is placed in the first end, the second end or both the first end and the second end in a fixed manner or using a screw thread system. Threaded feet may also be used. The threads allow the legs to be screwed so that they are pressed against a vertical structure or wall.

According to another aspect, the projection of the first portion has a row of holes and the second portion has at least one mating hole such that a stud may be inserted through one of the row of holes of the first portion and through the mating hole to fix the position of the projection in the recess.

Preferably, the cross-sections of the first and second portions are equal. More preferably, the first and second portions have a profile in the form of a "T" in transverse cross-section.

The invention thus makes it possible to control the length of the beam within a certain range of values. The fastening of the stud through a plurality of holes is discontinuously controlled, while the pressure device makes it possible to adjust the length continuously according to the invention. The discontinuous advancement is controlled in accordance with the position at which the stud is positioned through one of the holes in the row of holes of the first portion, the holes of the second portion. The continuous advancement is controlled by a pressure device preferably in the form of a wedge. More specifically, the continuous advancement is controlled by the material of the pressure device and its geometry, i.e. the modulus of elasticity and the inclination of the wedge (the angle of bevelling of the second end). The first and second portions are telescopically coupled to one another. This coupling allows the first part to be displaced in the recess of the second part. The displacement allows the at least one aperture of the second portion to align with the at least one aperture of the plurality of apertures of the first portion. As a result of the alignment, a stud may be passed through the aligned holes, thereby allowing a fixation, also referred to as a telescopic coupling, between the first and second parts.

For a better understanding, by way of non-limiting explanation, the attached drawings of an embodiment of an adjustable stick holder that is the subject of the present invention.

Figure 1 is a perspective view of a first embodiment of an adjustable strip holder according to the invention, located between two walls.

Fig. 2 corresponds to another perspective view different from the embodiment in fig. 1.

Fig. 3 shows another perspective view of the embodiment of fig. 1.

Figure 4 is a front view of the embodiment of the adjustable strip holder shown in the previous figures.

Fig. 5 is a longitudinal cross-sectional view of the embodiment in fig. 3, in which the internal components can be seen.

Fig. 6 is a transverse cross-sectional view of the embodiment in fig. 3.

Fig. 1 to 5 show a first preferred embodiment of the present invention. Fig. 1 to 3 schematically show an application of the present invention. In fig. 1 to 3, the pillars supporting the strip holders 1 are not shown for the sake of clarity. Figures 4 and 5 show the adjustable strip holder 1 of figures 1 to 3 in more detail.

The adjustable strip holder 1 has an external profile which is divided so as to define a first portion 60 and a second portion 20. Preferably, the length of both the first and second portions must be sufficient to be able to accommodate the head of a strut designed to support the portions.

The first part 60 has a protrusion 10 which is inserted into a recess of the second part 20. The projection 10 has a plurality of holes 40 arranged in an aligned manner. The second portion 20 includes at least one aperture 50, the aperture 50 being positioned and sized to mate with the plurality of apertures 40 of the projection 10 such that the aperture 50 of the second portion 20 and the aperture of the projection 10 of the first portion may be aligned when the projection 10 is inserted into the second portion 20.

The holes 40 and 50 are designed such that they allow a stud (not shown) to pass through to fix the relative positions of the first and second parts 10 and 20. The stud is inserted simultaneously in the hole 50 of the second portion 20 and in one of the rows of holes 40 of the projection 10, thus determining the total length of the adjustable strip holder 1. To change the overall length of the adjustable strip holder 1, the user or operator first removes the stud by sliding it through one of the plurality of holes 40 and 50 and once the stud is withdrawn, the first portion 60 is no longer fastened (fixed) with the result that it can slide inside the second portion 20 so as to form a positive or negative extension of the adjustable strip holder 1, i.e. to increase or decrease the overall length of the adjustable strip holder 1. Finally, the user or operator reinserts the stud through a new set of holes in the plurality of holes 40 and 50 to obtain a new fastening configuration between the first portion 10 and the second portion 20.

Furthermore, the second part 20 has a second end 30 of the adjustable bar holder 1, the second end 30 carrying a pressure device 70, the pressure device 70 being in the form of a chamfer cut in this example, which makes it possible to insert an element in the form of a wedge.

In fig. 1 to 3, the wedge 2 is inserted between the adjustable strip holder 1 and the wall 4. The wall 4 may be any other vertical structure or structure with vertical parts. In particular, the wedge 2 is inserted thanks to the chamfer 30 of the second end of the adjustable strip holder 1. The pressure element provides a dual advantage: first, it provides the adjustable strip holder 1 with the ability to increase or decrease the continuous length, i.e. have continuous advancement, rather than the ability to fix the discontinuous advancement of a stud, for example, with a plurality of holes 40 and 50. Secondly, the pressure device 2 facilitates the disassembly of the adjustable stick holder 1 when it is not necessary to use the adjustable stick holder 1.

Fig. 6 shows a further embodiment of the stick holder, wherein elements identical or similar to those previously indicated are identified with the same reference numerals, which elements will therefore not be described in depth. The embodiment in fig. 6 differs from the embodiment in fig. 1 to 5 in that, in this example, the pressure means comprise an elastic member 70 at the free end of the second portion 70. For example, the elastic member 70 is made of an elastic material such as rubber, and the elastic member may maintain elastic deformation by applying pressure to the wall by compression, thereby adjusting the length of the strip holder. Furthermore, the combination of discontinuous control by fixing the first portion 10 and the second portion 20 and continuous control by the elastic member 70 makes it possible to adjust the length of the strip holder.

While the invention has been described with respect to preferred embodiments, these should not be construed as limiting the invention, which is defined by the broadest interpretation of the following claims.

Claims (10)

1. A strip holder, characterized in that it is divided into a first part and a second part, said first part having a first end of said strip holder and said second part having a second end of said strip holder opposite to said first end, said first part having a protrusion inserted into a notch of said second part, said protrusion being slidable in said notch such that the length of said strip holder can be adjusted, and said strip holder further comprising at least one pressure means, said pressure means being located at said first end and/or said second end.

2. A strip holder according to the preceding claim, wherein said pressure means comprises a chamfer provided in said first end and/or said second end of the strip holder, so as to insert a wedge between said chamfer in the end of the strip holder and a vertical structure or a wall.

3. A strip holder according to any one of the preceding claims wherein said chamfer cut forms an angle of between 85 ° and 45 ° with the longitudinal axis of the strip holder.

4. A strip holder according to any one of the preceding claims wherein said chamfer cut forms an angle of 80 ° with the longitudinal axis of the strip holder.

5. A stick holder according to claim 1, characterised in that the pressure means comprise a part in the form of an elastic stop, which is placed at the end by pressure or with a screw thread system.

6. A strip holder according to any preceding claim wherein the projection of the first portion has a row of holes and the second portion has at least one cooperating hole such that a stud can be inserted through one of the rows of holes of the first portion and through the cooperating hole to fix the position of the projection in the recess.

7. A strip holder according to any one of the preceding claims, wherein said first and second portions have the same type of outer profile.

8. A strip holder according to any one of the preceding claims wherein said first and second portions have a profile in the form of a "T" in transverse cross-section.

9. A strip holder according to claim 7 or 8, wherein said outer profile is made of a metallic material.

10. A stick holder according to any of the preceding claims, wherein both the first end and the second end comprise pressure means.