ES1196965U - Clamp to hold a tubular duct to a guide lane (Machine-translation by Google Translate, not legally binding) - Google Patents

Abstract

Clamp (1) for fastening a tubular conduit to a guide rail (2), comprising a coupling base (4) capable of being inserted inside the guide rail (2) and subsequently adjusted under pressure in the inside the same rail (2) by rotation, characterized in that said coupling base (4) comprises a first portion (5) of press fit against the inner walls (2a) of the guide rail (2), including said first adjustment portion (5) for each surface intended to contact with fastening tabs (3) of the guide rail (2), said contact surfaces defining separate sockets (8) to receive the ends (3b) of the flanges (3) in a final rotational position of the coupling base (4), and respective ramps (9) arranged to slide under pressure during rotation the ends (3b) of the fastening flanges (3) until they are inserted into the sockets (8). (Machine-translation by Google Translate, not legally binding)

Description

CLAMP TO SUBJECT A TUBULAR DUCT TO A GUIDE RAIL

The present invention relates to a clamp for fastening a tubular conduit to a profile.

or guide rail, in particular, to a clamp of the type comprising a coupling base capable of being inserted inside said profile or guide rail, and then being pressure adjusted inside the same profile or rail by turning.

10 Background of the invention

It is known to hold tubular ducts by means of clamps that are fixed to profiles or metal rails installed on ceilings or walls. These profiles or rails are used to minimize the execution of holes in the base material on which the installation of

15 ducts or pipes.

In the market there are metal clamps to hold pipes of a certain diameter that are mounted on the profile or metal rail by means of an accessory with threaded stud that attaches to the profile or rail. The base of the clamp body is threaded to the

20 mentioned asparagus to be subject to the profile or metal rail.

There are also multi-diameter plastic clamps, such as the ABT clamp of the Abranyl ® brand, which includes two opposite pivoting arms provided with two sections of curved section and a complementary closing device that adapts to

25 pipes of different diameter. The ABT clamp is also attached to the profile or guide rail through an accessory specially designed for this purpose.

The use of accessories to mount the clamps on the profile or guide rail complicates and slows the installation of pipes or pipes. In addition, fixing these clamps to the

30 profile or metal rail cannot be carried out with a conduit or tube mounted.

To solve these problems, there are in the market plastic clamps that are mounted directly on the profile or guide rail without the need for any accessories. These clamps comprise a coupling base that can be inserted into the interior 35 of the guide rail or profile and subsequently be snapped into the same profile.

or lane by turning. To facilitate direct mounting, the cross section of the profile or rail 2

guide, includes tabs for securing the coupling base of the clamp in the final turning position.

However, clamps directly attached to a profile or guide rail, such as those described

5 in the previous paragraph, they have the disadvantage that they can either be removed from unforeseen mode once installed, when it is not possible to absorb the tolerances of manufacture of the profile or guide rail, or they are difficult to adjust in the opening of said profile or lane

10 Description of the invention

The objective of the present invention is to provide a clamp for attaching a tubular conduit to a profile or guide rail, which solves the aforementioned problems and presents the advantages that will be described below.

In particular, the present invention provides a clamp that is adapted to fasten a tubular conduit to a profile or guide rail provided with a cross section with fastening tabs of the clamp coupling base. As described above, this type of profile or guide rail has the advantage that it facilitates

20 direct mounting of the clamp without accessories.

In accordance with the objective of the present invention, according to a first aspect, a clamp of the type is provided which comprises a coupling base capable of being inserted inside a profile or guide rail and of being subsequently adjusted under pressure in

25 the interior of the same profile by rotation, and characterized by the fact that the coupling base comprises a first pressure adjustment portion against the inner walls of the profile or guide rail, said first adjustment portion including surfaces intended for contact with fastening tabs of the same profile or guide rail, defining said contact surfaces;

30 • individual fittings to receive the ends of the fastening tabs in a final turning position of the coupling base, and

• two ramps arranged to slide the ends of said fastening tabs during pressure during the rotation of the coupling base until it is inserted into the fittings.

they are locked against rotation in the fittings provided in the first pressure adjustment portion of the coupling base, which ensures a reliable mounting of the clamp that allows the manufacturing tolerances of the profile or rail to be absorbed. On the other hand, the mentioned ramps define an inclined plane through which the ends of the

5 clamping tabs during the rotation of the coupling base, acting as wedges and facilitating the pressure adjustment of the ends of the fastening tabs inside The mentioned lace.

Thanks to these characteristics, the claimed clamp has the advantage that it results

10 very easy to install and at the same time provides a safe and reliable assembly of the tubular ducts.

Preferably, according to a preferred embodiment, the coupling base comprises a second upper portion of pressure adjustment against the walls of the fastening tabs

15 of the profile or guide rail.

This second upper adjustment portion is narrower than the first adjustment portion of the coupling base so that it can be trapped between the walls of the flanges of the profile rail or guide rail.

In accordance with this preferred embodiment, the claimed clamp includes two pressure adjustment portions against the profile or guide rail; a first portion for pressure adjustment against the inner walls of the profile or guide rail, and a second portion for pressure adjustment against the walls of the fastening tabs of the same profile or guide rail. Thank you

25 to this, the contact of the coupling base with the profile or guide rail is maximized.

Advantageously, according to the same embodiment, the second upper adjustment portion includes two opposite curved edges arranged to pivot the rotation of the coupling base on the walls of the fastening tabs and, preferably, the first adjustment portion

30 also includes two opposite curved edges arranged in this case, to pivot the rotation of the coupling base on the inner walls of the guide profile.

The opposite curved edges facilitate the introduction of the base of the clamp into the guide rail, allowing a single mounting possibility with a clockwise rotation.

Again advantageously, said first and second pressure adjustment portions of the coupling base each include a surface provided with a plurality of teeth through which contact is made against the inner walls of the profile or guide rail and the walls of the fastening tabs of said guide rail, respectively. This ensures optimum contact and minimal interference during the rotation of the coupling base.

Preferably, the coupling base comprises a central groove sized to allow said first and second portions to flex when they are snapped against the inner walls of the guide rail and of the flanges of said rail.

Advantageously, said central groove is adapted to allow the mounting of a nut capable of being threaded to a rod. In this way, the clamp can be removed from said rod if the installation so requires.

According to one embodiment, the coupling base is connected to an outer support seat on the profile or guide rail, which includes two seat flanges of the clamp arranged in correspondence with the fittings of the first adjustment portion of the coupling base.

In the final position of rotation of the coupling base, these seat flanges contact the outer surface of the profile or guide rail under pressure due to the effect of compression force received by the ends of the fastening tabs housed in the lace The first portion of adjustment. When the user wishes to move the clamp laterally along the profile or guide rail to adjust its position, he only has to press the outer support seat to reduce the contact pressure of the seat flanges on the outside of the rail and move the clamp.

Advantageously, the outer support seat comprises a pair of opposed projections for the support of the user's fingers and intended to facilitate the rotation of the coupling base from outside the guide rail.

Preferably, the clamp comprises two pivoting arms arranged facing each other so that they define a space adapted to receive inside a tubular conduit, the ends of said arms including a complementary closure device adjustable to the diameter of the tubular conduit.

These pivoting arms are connected to the coupling base of the clamp through the aforementioned outer support seat, and have the advantage of allowing conduits of different diameter to be secured. Thus, a multi-diameter direct mounting clamp is obtained, which has the added advantage that it is very easy to install and reliable.

According to one embodiment, one of the pivoting arms that hold the tubular conduit includes a section of curved section capable of partially overlapping a complementary section of curved section of the opposite pivoting arm, respectively including said sections of curved section, an inner and outer surface provided of two elements

10 complementary closure.

Advantageously, said complementary closing elements include a plurality of complementary gripping teeth capable of being coupled to each other by way of fit when the arms pivot through the action of the conduit they receive in the

15 interior space.

Preferably, the claimed clamp is made of polymeric material, such as nylon. However, it would also be possible to use any other type of polymeric material that is suitable for the specific application claimed.

Brief description of the figures

To better understand how much has been exposed, some drawings are attached in which, schematically and only by way of non-limiting example, a practical case is represented

25 of realization.

Figure 1 is a perspective view of an embodiment of the clamp in which the coupling base has been highlighted in gray, and in a darker gray color, the ramps of the first adjustment portion on which they slide to pressure the ends of the

30 flanges for securing the profile or guide rail during the rotation of the coupling base.

Figure 2 is another perspective view of the embodiment of Figure 1 showing the coupling base, and in a dark gray color, a portion of the ramps of the first adjustment portion, located on opposite sides.

bottom view of the first adjustment portion of the coupling base.

Figure 4 shows the perspective view of Figure 1 and a detail view of the first adjustment portion of the coupling base of Figure 1.

Figure 5 shows a side view of the embodiment of Figure 1 and a detail of this side view that includes the first adjustment portion of the coupling base.

Figure 6 is a perspective view of the clamp of Figure 1 inserted in a profile or 10 guide rail provided with fastening tabs, in a first initial phase of direct mounting.

Figure 7 is a perspective view of the clamp Figure 1, in a second phase of direct assembly, during the rotation of the coupling base.

Fig. 8 is a perspective view of the clamp of Fig. 1, already assembled, snapped and locked against rotation inside the profile or guide rail.

Figure 9 is a side view of Figure 8 showing the clamp adjusted to pressure in and locked against rotation inside the profile or guide rail, with the ends of the flanges

20 fasteners inserted inside the fittings of the first adjustment portion.

Description of a preferred embodiment

An embodiment of the clamp of the present invention is described below.

25 referring to Figures 1 to 9. The clamp described is preferably made of polymeric material, such as nylon or any other type of plastic material of mechanical strength and flexibility suitable for clamping tubular ducts.

As discussed in the description of the invention, clamp 1 of the present

The invention is of the type that is mounted on a profile or guide rail 2 provided with a cross section with clamping tabs 3. These profiles or guide rails 2, for example rails called 41x41 or 41x21, are common in the market, since they facilitate the direct mounting of the clamp 1.

The coupling base 4 of the clamp 1 of the present invention can be inserted into one of said profiles or guide rails 2, and subsequently adjusted to 7

pressure inside the same profile or guide rail 2 by turning. Figures 6 to 8 show the three phases of direct mounting of the clamp 1 on the guide rail 2.

As can be seen in Figure 9, the coupling base 4 of the clamp 1 of the present invention includes a first adjustment portion 5 against the inner walls 2a of the guide profile or rail 2, and a second upper adjustment portion 6 under pressure against the walls 3a of the tabs 3 for securing the same profile or guide rail 2. This second adjustment portion 6 is narrower than the first adjustment portion 5.

The contact of the first adjustment portion 5 and the second adjustment portion 6, against the inner walls 2a of the guide rail 2 and the walls 3a of the fastening tabs 3 of the guide rail 2, is carried out, respectively, to through a plurality of contact teeth 7 provided on the side walls of these adjustment portions 5, 6. In this way, a minimum interference of the coupling base 4 during rotation is ensured, and an optimal contact with the guide rail 2 in the final turning position.

Both the first adjustment portion 5 and the second upper adjustment portion 6 also include two opposite curved edges 5a, 6a, arranged to pivot the rotation in a direction of the coupling base 4 on the walls 3a of the flanges 3 of clamping, and on the inner walls 2a of the guide rail 2, respectively. These curved edges 5a, 6a facilitate the introduction of the base 4 of the clamp 1 into the guide rail 2, allowing a single mounting possibility with a clockwise rotation.

The first pressure adjustment portion 5 of the coupling base 4 has the particularity that it includes defining surfaces;

•

two laces 8 to receive the ends 3b of the tabs 3 for securing the guide rail 2, and

•

two ramps 9 arranged to press the ends 3b of the fastening tabs 3 during pressure during the rotation of the coupling base 4, until the insertion into the fittings 8.

In the final turning position shown in Figures 8 and 9, the ends of the guide flanges 3b of the profile or guide rail 2 are locked against rotation in the aforementioned fittings 8 provided in the first pressure adjusting portion 5, ensuring a Reliable mounting of clamp 1 when manufacturing tolerances of guide rail 2 are absorbed. The ramps 9 are arranged to slide the ends 3b of the clamping tabs 3 under pressure.

during the rotation of the coupling base 4, acting as wedges and facilitating the pressure adjustment of the ends 3b of said tabs 3 inside the mentioned fittings

8.

Figure 4 shows a detail of the ramps 9, provided on one of the sides of the first adjustment portion 5, on which one end 3b of a guide flange 3 of the guide rail 2, as well as the socket, slides under pressure. 8 associated with said ramps 9, which receives the end 3b of the clamping tab 3, in the final turning position. The opposite side of the first adjustment portion 5 also includes ramps 9 and another socket 8 that receives the end 3b of the other retaining flange 3 of the same guide rail 2. Figure 2 partially shows the ramps 9 on each side of the first adjustment portion 5 of the coupling base 4.

In the described embodiment, the clamp 1 comprises a central groove 10 that divides the first and second adjustment portion 5, 6 to allow flexion of these adjustment portions 5, 6 when they are inserted under pressure against the inner walls 2a of the guide rail 2 and against the walls 3a of the fastening tabs 3 of the same guide rail 2. This central groove 10 may be adapted to allow the mounting of a nut (not shown) capable of being threaded to a rod. In this way, the clamp 1 can be detached from said rod if the installation so requires.

In accordance with the described embodiment, the coupling base 4 is connected to an outer support seat 11 on the guide rail or profile 2. This outer seat 11 includes two flanges 12 of the seat of the clamp 1, arranged in correspondence with the fittings 8 of the first adjustment portion 5, and a pair of opposed projections 13 for supporting the user's fingers, intended to facilitate the rotation of the coupling base 4 from the outside of the guide rail 2.

In the final turning position of the coupling base 4 shown in Figure 9, the seat flanges 12 press the outer surface of the guide profile or rail 2 by means of the reaction effect provided by the compression force received by the ends 3b of the fastening tabs 3 housed in the fittings 8 of the first adjustment portion 5. However, when the user wishes to move the clamp 1 laterally along the profile

or guide rail 2 to adjust its position, just press the outer support seat 11 to reduce the contact pressure of the seat flanges 12 on the outside of the rail 2 and move the clamp 1.

As regards the clamping of the tubular duct (not shown), it is carried out by means of two pivoting arms 14 arranged opposite so that they define a space 15 adapted to receive the tubular duct inside. The ends of said arms 14 have a complementary closure device adjustable to the diameter of the tubular duct. These pivoting arms 14 are connected to the coupling base 4 of the clamp 1 through said outer support seat 11.

As can be seen in the figures, one of the pivoting arms 14a includes a section of curved section capable of partially overlapping a complementary section of curved section of the opposite pivoting arm 14b, when both arms 14a, 14b are pivoted by the action of a conduit tubular that is introduced in the interior space 15 that they define. The device that allows the closure of both arms 14a, 14b is configured by a plurality of gripping teeth 16a, provided on the inner surface of one of the curved sections, which are likely to be coupled by way of fit with teeth 16b of complementary grip, provided on the outer surface of the curved section of the opposite pivoting arm 14a.

As previously mentioned, the claimed clamp 1 is a direct mounting clamp that adapts to tubular ducts of different diameter, is very easy to install and ensures reliable installation at all times without risk of being disassembled.

Although reference has been made to a specific embodiment of the invention, it is apparent to one skilled in the art that the clamp 1 described is susceptible of numerous variations and modifications, and that all the mentioned details can be replaced by other technically equivalent ones. , without departing from the scope of protection defined by the appended claims. For example, although a clamp has been described in which the clamping means of the tubular duct include two pivoting arms and a locking device adjustable to different diameters, these clamping means could be different if they were preferably attached to a base 4 of coupling as claimed, with a first pressure adjustment portion 5 provided with individual fittings 8 and, advantageously, with ramps 9 for the flanges 3 for securing the guide rail 2.

Claims (12)

1. Clamp (1) for attaching a tubular conduit to a guide rail (2), which comprises a coupling base (4) that can be inserted inside the guide rail (2) and then be pressure adjusted in the interior of the same rail (2) by rotation, characterized in that said coupling base (4) comprises a first pressure adjustment portion (5) against the inner walls (2a) of the guide rail (2), including said first adjustment portion (5) of each surface intended to contact with flanges (3) for securing the guide rail (2), said surfaces of 10 contacts with two fittings (8) to receive the ends (3b) of the tabs (3) in a final turning position of the coupling base (4), and two ramps (9) arranged to slide under pressure during rotation the ends (3b) of the fastening tabs (3) until they are inserted into the fittings (8). 2. Clamp (1) according to claim 1, wherein said coupling base (4) comprises a second upper portion (6) of pressure adjustment against the walls (3b) of the fastening tabs (3). 3. Clamp (1) according to claim 2, wherein said second upper portion (6) of 20 adjustment comprises two opposite curved edges (6a) arranged to pivot the rotation of the coupling base (4) on the walls (3a) of the flanges (3) of the guide rail (2) guide. 4. Clamp (1) according to claim 1, wherein said first adjustment portion (5) 25 includes two opposite curved edges (5a) arranged to pivot the rotation of the coupling base (4) on the inner walls of the guide rail (2). 5. Clamp (1) according to claims 1 and 2, wherein said first and second adjustment portions (5, 6) each include a plurality of teeth (7) through the 30 that contact is made against the inner walls (2a) of the guide rail (2) and the walls (3a) of the fastening tabs (3) of said guide rail (2), respectively. 6. Clamp (1) according to claims 1 and 2, wherein the coupling base (4) comprises a central groove (10) sized to allow flexion of at least 35 one of said first and second portions (5, 6) when they are pressed against the inner walls (2a) of the guide rail (2) and of the tabs (3a) for securing said guide rail (2).

7.

Clamp (1) according to claim 6, wherein said central groove (10) is adapted to allow the mounting of a nut capable of being threaded to a rod.

8.

Clamp (1) according to claim 1, wherein the coupling base (4) is connected to an outer seat (11) supporting the guide rail (2), which includes two flanges

(12) of the clamp seat arranged in correspondence with the fittings (8) of the first adjustment portion (5) of the coupling base (4).

9.

Clamp (1) according to claim 8, wherein said outer support seat (11) comprises a pair of opposed projections (13) for supporting the user's fingers, intended to facilitate rotation of the base (4) of coupling from outside the rail (2) guide.

10.

Clamp (1) according to claim 1, comprising two pivoting arms (14a, 14b) arranged facing each other so as to define a space (15) adapted to receive inside a tubular conduit, including the ends of said arms (14a, 14b ) a complementary closure device adjustable to the diameter of the tubular duct.

eleven.

Clamp (1) according to claim 10, wherein one of said pivoting arms (14a) includes a section of curved section capable of partially overlapping a complementary section of curved section of the opposite pivoting arm (14b), including, respectively, said sections of curved section, an inner and outer surface provided with two complementary elements (16a, 16b).

12.

Clamp (1) according to claim 11, wherein said complementary closure elements include a plurality of complementary gripping teeth (16a, 16b), said gripping teeth (16a, 16b) being susceptible to being coupled together by means of it forms when said arms (14a, 14b) pivot by the action of a tubular conduit disposed in its interior space (15).

13.

Clamp (1) according to any of the preceding claims, wherein at least said coupling base (4) is made of polymeric material.

DRAWINGS