KR100615858B1 - Pipe clamping device - Google Patents

Abstract

The present invention relates to a pipe fixing device that has a more firm grip force to the elastic displacement of the clamping ring when screwing, the pipe fixing device of the present invention is installed between the female bracket and the male bracket coupled to each other to fix the pipe In the fixing device, the blade is installed between the female bracket and the male bracket, the blade for fixing the outer diameter of the inserted pipe is formed in the inner diameter, the clamp ring is made of an elastic material having a predetermined displacement; When the female bracket is screwed to the male bracket and screwed, the blade of the clamp ring is elastically displaced in a direction to fix the pipe so that the clamping angle is changed above and below the clamp ring. Pressing ring to pressurize; And an O-ring formed between the pressure ring and the arm bracket to pressurize the pressure ring and to seal the pipe at the same time when the arm bracket is screwed to the male bracket. The pipe can be easily inserted and assembled in the clamping ring, and after assembling, when the female bracket and the male bracket are screwed, the inlet of the blade is narrowed and the inner diameter of the clamping ring is narrowed, so that the bite strength is increased and the rigidity of the pipe is increased. It is possible to fix and at the same time facilitate the pipe connection and dismantling work.

Description

Pipe Fixtures {PIPE CLAMPING DEVICE}

1 is an exploded perspective view of parts showing a pipe fixing apparatus of the present invention.

FIG. 2 is a plan view illustrating the clamping ring of FIG. 1.

3 is a side cross-sectional view of FIG. 2.

4 is a plan view illustrating the pressure ring of FIG. 1.

5 is a side cross-sectional view of FIG. 4.

6 is a side cross-sectional view showing a state in which the pipe fixing device of the present invention is assembled between the female bracket and the male bracket and unscrewed.

Figure 7 is a side cross-sectional view showing a state in which the pipe fastening device of Figure 6 is assembled between the female bracket and the male bracket and screwed.

The present invention relates to a pipe fixing device, and more particularly, to a pipe holding device that has a more firm grip force to the elastic displacement of the clamp ring when screwing.

In general, in the case of connecting pipes and pipes, a pipe fixing device is widely used to fix the pipes in order to bind the pipes securely without leaking the internal fluid.

The conventional pipe fixing device is installed between the female bracket and the male bracket screwed to each other, the clamp ring in the form of a simple metal ring to prevent the separation of the pipe by biting the outer diameter of the pipe with a blade, and the pipe clamped by the clamp ring It consists of an O-ring that seals the gap between the pipes.

At this time, the clamp ring is coupled to the pipe and the force bit, and the blade is formed to be inclined in the direction to prevent the separation of the pipe, but the shape of the inner diameter is maintained as it is, even if the female bracket and the male bracket is screwed, There is no narrowing effect.

In other words, the clamping ring of the conventional pipe fixing device merely clamps the pipe to fix the pipe to prevent the pipe from being separated, and there is no increase in the fixing force by screwing the arm bracket and the male bracket.

Therefore, in order to increase the clamping force of the clamping ring of the conventional pipe fixing apparatus, it is inevitable to increase the degree of clamping of the pipe.

However, the operation of forcing a bite with sufficient clamping force by penetrating the pipe through such a conventional clamp ring having a low elastic displacement takes a lot of effort to fit the clamp ring with a narrow inlet into the pipe, making pipe connection and dismantling work very difficult. There was a problem.

In addition, since the outer diameter of the clamp ring must be increased in order to obtain a sufficient fixing force, the outer diameter of the arm bracket and the male bracket is increased, thereby increasing the appearance of parts and increasing the manufacturing cost and production cost.

In addition, the conventional pipe fixing device is difficult to increase the pipe holding force freely by using a single clamp ring, there is no way to reduce the outer appearance of the female bracket and the male bracket by design, the pipe bite strength is weak There was this.

In addition, the conventional pipe fixing device has a space that is allowed to elastically deformed after assembly, there is a problem that the grip force is lost due to the change of the elastic force after assembly, the durability is lowered, the reliability of the product is lowered.

An object of the present invention for solving the above problems, when assembling the pipe is easily inserted into the clamping ring to be assembled, after assembly, when the female bracket and the male bracket is screwed, the inlet of the blade By narrowing the inner diameter of the clamp ring is narrowed to increase the bite strength to provide a pipe fixing device that can facilitate the pipe connection and dismantling work at the same time to enable a firm fixing of the pipe.

In addition, another object of the present invention, since it is possible to easily obtain a sufficient fixing force by using the elastic deformation of the clamp ring can reduce the outer diameter of the clamp ring to reduce the outer diameter size of the female bracket and the male bracket to reduce the appearance of the parts The present invention provides a pipe fixing device that can be made slim and can save manufacturing and production costs.

In addition, another object of the present invention, by arranging a plurality of clamp ring side by side to increase the gripping force at will, and at the same time can reduce the outer diameter of the clamp ring design can significantly reduce the outer diameter appearance of the female bracket and the male bracket. The present invention provides a pipe fixing device that can simultaneously enhance the pipe bite strength.

In addition, another object of the present invention, when there is no free space allowed for elastic deformation when screwed after assembly, the grip force is lost due to the change of the elastic force after assembly to prevent the durability from falling, and improve the reliability of the product It is to provide a pipe fixing device that allows.

Pipe fixing device of the present invention for achieving the above object is installed between the female bracket and the male bracket to be coupled to each other in the configuration of the pipe fixing device for fixing the pipe, is installed between the female bracket and the male bracket, A blade for fixing and fixing the outer diameter of the finished pipe is formed in the inner diameter, and is made of an elastic material to have a clamp ring having a predetermined displacement; When the female bracket is screwed to the male bracket and screwed, the blade of the clamp ring is elastically displaced in a direction to fix the pipe so that the clamping angle is changed above and below the clamp ring. Pressing ring to pressurize; And an O-ring formed between the pressure ring and the arm bracket to pressurize the pressure ring and to seal the pipe in close contact with the pipe when the arm bracket is screwed onto the male bracket.

In addition, the clamp ring has a blade of the inner diameter in contact with the pipe so as to narrow the inlet of the blade when tightening the screw, and at least one clearance groove radially disposed from the inner diameter to the outer diameter so that the elastic diameter of the blade can be expanded It is made of a ring-shaped metal body, the body is formed to be inclined at a predetermined angle with respect to the horizontal plane in the direction of preventing the separation of the pipe, the blade relative to the body in the direction of preventing the separation of the pipe When the arm bracket and the male bracket are screw-tightened, and the arm bracket and the male bracket are screwed at a predetermined angle, the body is elastically displaced under pressure by the pressing ring, and the body except the blade is stretched horizontally so that the body inner diameter is narrowed and the bite of the blade is narrowed. It is preferable to be made of an elastic material that can be elastically deformed to deepen the degree.

In addition, the pressure ring is a disk shape of the synthetic resin, the upper and lower surfaces of the pressing ring is easy to press the clamp ring, at least one is installed between the female bracket and the male bracket, the pressing ring, clamp ring and O-ring It is preferable that the combined height of at least the height of the space between the female bracket and the male bracket.

In addition, in order to increase the clamping force of the clamp ring and at the same time to slim the appearance of the outer diameter of the component, the clamp ring is installed in equilibrium so that at least two or more bites at the same time with the pipe. The clamp ring is arranged in the order of O-ring, pressing ring, clamp ring, pressing ring (or a plurality of extra pressure ring), clamp ring, pressing ring, male bracket from the arm bracket so that the clamp ring is surrounded by the pressing ring up and down. desirable.

Hereinafter, a pipe fixing apparatus according to preferred embodiments of the present invention will be described in detail with reference to the drawings.

First, as shown in Figure 1, the pipe fixing device according to an embodiment of the present invention, is installed between the female bracket (1) and the male bracket (2) coupled to each other to fix the pipe (3) A pipe fixing device comprising a clamp ring (10) for largely fixing a pipe (3), a press ring (20) for pressurizing the inlet of the clamp ring (10), and an o-ring (30) for sealing. .

That is, as shown in FIG. 2, the clamp ring 10 is installed between the female bracket (1) and the male bracket (2), the blade 12 for fixing the outer diameter of the inserted pipe (3) ) Is formed in the inner diameter, is made of an elastic material and has a predetermined displacement, has a blade 12 of the inner diameter portion in contact with the pipe 3, from the inner diameter portion to enable the elastic diameter of the blade 12 to be expanded It consists of a ring-shaped metal body in which at least one clearance groove 14 is radially disposed in the outer diameter direction.

Here, as shown in FIG. 2, the clearance groove 14 of the clamp ring 10 includes a straight clearance groove 14a and a straight clearance groove formed in a vertical straight line from the inner diameter of the body 11. It is made of a circular clearance groove (14b) is formed to extend round the end of 14a), it is possible to ensure the elastic play of the blade (12).

Therefore, the clamp ring 10, when the blade 12 bites and fixes the outer diameter of the pipe (3), it is possible to firmly support the pipe (3) with a moderate elastic force that is loose compared to the conventional one when not pressed. do.

In addition, as shown in FIG. 3, the body 11 is formed to be inclined at a predetermined angle A with respect to the horizontal plane in a direction that prevents the departure of the pipe 3.

In addition, the blade 12 is formed to be bent at a predetermined angle (B) relative to the body 11 in a direction that prevents the separation of the pipe (3), the arm bracket (1) and the male bracket ( 2) when the screw is tightened, the body 11 is elastically displaced by the pressure ring 20, the body 11 except for the blade 12 is stretched horizontally so that the inner diameter of the body 11 is narrowed The body 11 is made of an elastic material that can be elastically deformed so as to deepen the bite of (12).

On the other hand, as shown in Figures 4 and 5, the pressing ring 20, the body 11 of the inclined clamp ring 10 is extended horizontally so that the inlet of the clamp ring 10 is narrowed When the arm bracket 1 is coupled to the male bracket 2 and screwed, the blade 12 of the clamp ring 10 is elastically displaced in a direction to fix the pipe 3 so that the change in the bite angle occurs. Installed above and below the clamp ring 10, respectively, to press the clamp ring 10.

The pressure ring 20 has a disc shape of a synthetic resin sheet having a flat upper and lower surfaces, and at least one is installed between the arm bracket 1 and the male bracket 2 together with the clamp ring 10. As the arm bracket (1) is screwed to the male bracket (2) to distribute the concentrated pressure to the body 11 of the clamp ring 10 evenly so that the clamp ring 10 is horizontally spread For this purpose, it is preferable to be made of a hard metal or synthetic resin having a predetermined rigidity.

On the other hand, the O-ring 30 is formed between the pressing ring 20 and the female bracket (1) to press the pressing ring 20 when the female bracket (1) is screwed on the male bracket (2) At the same time, it is sealed in close contact between the pipe (3) and the arm bracket (1).

Therefore, when explaining the assembly state and the operation relationship of the pipe fixing apparatus of the present invention, as shown in Figure 6, first, the combined height of the pressing ring 20, the clamp ring 10 and the O-ring 30 is At least the height of the space between the female bracket (1) and the male bracket (2) is to be produced, the clamp ring 10 is installed in equilibrium so that at least two or more simultaneously bite with the pipe (3) at the same time The installation order of the ring 20, the clamp ring 10 and the O-ring 30 is the O-ring 30 from the arm bracket 1 so that the clamp ring 10 is surrounded by the pressing ring 20 up and down. , Pressure ring 20, clamp ring 10, pressure ring 20 (or a plurality of excess pressure ring), clamp ring 10, pressure ring 20, male bracket (2) Next, the arm bracket (1) is assembled to the male bracket (2) to prepare a screw tightening.

In this case, since the body of the clamp ring 10 is inclined, the blade 12 of the clamp ring 10 may have an inlet, that is, a large inner diameter, to facilitate the insertion of the pipe 3.

Subsequently, as shown in FIG. 7, when the female bracket 1 is completely screwed on the male bracket 2, the O-ring 30 is pressed by the female bracket 1 and the male bracket 2. Receiving, the O-ring 30 transmits the pressure to the pressure ring (20).

Subsequently, the pressure ring 20 evenly distributes the applied pressure to the body 11 of the clamp ring 10 so as to spread the body 11 of the clamp ring 10 horizontally.

At this time, while the body 11 of the inclined clamp ring 10 is extended horizontally, an elastic displacement in which the blade 12 of the clamp ring 10 is opened, that is, the inner diameter is narrowed, causes loosening. The pipe 3 is firmly fixed due to the bite of the narrowed blade, and at the same time, the angle of the blade 12 is maintained as it is to prevent the pipe 3 from being separated.

Therefore, when the number of the clamp ring 10 is provided in two or more, and the pressing ring 20 of various thicknesses are installed therebetween, the entire clamping of the clamp ring 10 with respect to the pipe 3 is provided. As the strength can be further increased, the fixed strength of the pipe 3 can be adjusted at will according to the type of the pipe 3 and the installation environment.

At this time, there is a slight increase in the thickness direction of the external appearance of the female bracket (1) and the male bracket (2), but there is no increase in the outer diameter direction of the pipe in the range that does not limit the installation space of the pipe (3) (3) It enables to increase the bite strength step by step and very firm fixation.

In addition, after tightening the screws of the female bracket (1) and the male bracket (2), the clamp ring 10 is no longer deformed by the pressing ring 20 occupies a space there is no free space to move at all It is possible to prevent loosening due to deterioration of elasticity.

In addition, it is easy to insert the clamp ring 10 of the pipe 3 when the pipe 3 is assembled and installed, and of course, when the arm bracket 1 is unscrewed when the pipe 3 is disassembled and dismantled, it is shown in FIG. 6 again. As described above, the body 11 of the clamp ring 10 may be elastically returned so that the inner diameter of the blade 12 may be increased, that is, the inlet may be widened to facilitate the detachment of the pipe 3.

The present invention is not limited to the above-described embodiments, and of course, modifications may be made by those skilled in the art without departing from the spirit of the present invention.

For example, in the embodiment of the present invention, the clearance shape of the clamp ring may be very diverse, the number of installations may be varied, and the thickness, shape, and height of the pressure ring may be variously manufactured.

Therefore, the scope of the claims in the present invention will not be defined within the scope of the detailed description, but will be defined by the following claims and the technical spirit thereof.

According to the pipe fixing device of the present invention as described above, when assembling the pipe can be easily inserted into the clamp ring and assembled, after assembly, when the female bracket and the male bracket is screwed, the inlet of the blade As the inner diameter of the clamp ring is narrowed to narrow, the bite strength is increased to make the pipe firmly fixed, and the pipe connection and dismantling work can be easily performed, and sufficient clamping force can be easily obtained by using the elastic deformation of the clamp ring. Since the outer diameter of the clamping ring can be reduced, the outer diameters of the female bracket and the male bracket can be reduced to reduce the appearance of the parts, and the manufacturing cost and the production cost can be reduced, and a plurality of clamping rings are arranged side by side. Design to increase the clamping force of the pipe and reduce the outer diameter of the clamp ring. The outer diameters of the female and male brackets can be greatly reduced, and the pipe bite strength can be strengthened. When the screws are tightened after assembly, there is no free space to allow elastic deformation. It is to have an effect to prevent the loss of durability and to improve the reliability of the product.

Claims (5)

In constructing a pipe fixing device that is installed between the female bracket and the male bracket coupled to each other, A clamp ring installed between the female bracket and the male bracket, the blade being fixed to the outer diameter of the inserted pipe and formed at an inner diameter, and made of an elastic material and having a predetermined displacement so that a change in the bite angle of the blade occurs; And When the female bracket is screwed to the male bracket and screwed, the blade of the clamp ring is elastically displaced in a direction to fix the pipe so that the clamping angle is changed above and below the clamp ring. Pressing ring to pressurize; Pipe fixing device characterized in that comprises a. The method of claim 1, wherein the clamp ring, It is made of a ring-shaped thin metal object having a blade of the inner diameter in contact with the pipe, the at least one clearance groove radially disposed in the outer diameter direction from the inner diameter to enable the elastic diameter of the blade is extended, the body of the pipe It is formed to be inclined at a predetermined angle (A) with respect to the horizontal plane in the direction to hinder the departure, the blade is formed to be bent to be inclined by a predetermined angle (B) relative to the body in the direction of hindering the separation of the pipe, When the female bracket and the male bracket are screwed, the body is elastically displaced by the pressure ring and the body is elastically displaced so that the body is horizontally stretched except the blade, so that the body inner diameter is narrowed and the elasticity of the blade is deepened. Pipe fixing device, characterized in that made of a material. The method of claim 2, The clearance groove of the clamp ring is a straight clearance groove formed in a vertical straight line from the inner diameter of the body and a pipe clearance device, characterized in that the circular clearance groove is formed to be roundly extended to the end of the straight clearance groove. The method of claim 1, wherein the pressure ring, The upper and lower surfaces have a flat disc shape so that deformation of the bite angle occurs by pressing the inclined body, and at least one is installed between the female bracket and the male bracket, and the combined height of the pressing ring, the clamping ring, and the O-ring is at least the A pipe holding device, characterized in that it is made above the height of the space between the female bracket and the male bracket. The method of claim 1, It is formed between the pressure ring and the arm bracket, and when the arm bracket is screwed on the male bracket further comprises an O-ring which is pressed in close contact with the pipe while pressing the pressure ring, The clamp ring is installed in equilibrium such that at least one of the clamp rings bites at the same time as the pipe, and the installation order of the pressure ring and the clamp ring and the O-ring is O-ring and pressurization from the arm bracket so that the clamp ring is surrounded by the pressure ring. Pipe clamping device, characterized in that arranged in the order of the ring, clamp ring, pressure ring (or a plurality of extra pressure ring), clamp ring, pressure ring, male bracket.

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