KR100981565B1 - Joint for pipe connection - Google Patents

Abstract

The pipe connection joint according to the present invention is inserted into and coupled to the ends of the pipes on both sides of the sleeves having fastening means formed at both ends of the sleeve body formed in various shapes such as straight, curved, and bent, so that the pipes are straight and various angles. The rubber packing and the pressing body and connection tube release prevention clip are inserted into each pipe, and each end of the sleeve and the pressing body and connection tube release prevention clip are fastened with bolts and nuts. It is to be able to reliably press the detention.
The present invention can prevent excessively compressing the rubber packing by fastening a spacer between the end of the sleeve and the pressing member, and connecting the joint tube release prevention clip to the sleeve formed at both ends of the sleeve body to connect the joint. It is possible to prevent the pipe to be released.

Description

Joint for pipe connection {JOINT FOR PIPE CONNECTION}

According to the present invention, when connecting (connecting) different pipes to each other, each end of each pipe is inserted into the inside of the sleeve at both ends of the sleeve, and the compression holding means is respectively fastened by pressing the detaining means while the rubber packing is intervened. It relates to a joint for pipe connection.

In more detail, it is inserted into the ends of the pipes on both sides of the sleeve formed with fastening means at both ends of the sleeve body formed in various shapes such as straight, curved, and bent, respectively, and the rubber packing and the pressing body are connected to each pipe. And inserting the pipe into the pipe while the connection pipe release prevention clip is inserted, and clamping and detaining the pipe by fastening each end of the sleeve and the pressing body and the connection pipe release preventing clip with bolts / nuts, and especially the end of the sleeve and the pressing body. It is to provide a pipe connection joint that can prevent the excessive compression of the rubber packing by fastening the spacer 50 in between.

Typically, the joints (joints or joints) of pipes (pipes) that are not threaded at the ends are loosened or severed due to vibration caused by internal pressure and external physical shocks such as pulsating pressure of the fluid. In the event of a breakaway occurs, the fluid to be transported leaks.

Conventional pipe connecting devices for connecting pipes and pipes to each other include 'joint rings for pipe joints' in Korean Utility Model Publication No. 20-1995-2818 and 'variable pipe joints' in Utility Model Registration No. 20-443541. Patent registration No. 10-767470 'pipe joint device for preventing the separation of the release pipe is known.

The pipe joint device using the 'joint ring for pipe joints' of Korean Utility Model Publication No. 20-1995-2818 joins pipes on both sides of the auxiliary pipe, but interposes the rubber packing between the auxiliary pipe and the pipe in a wedge shape. While inserting (inserting) the pipe, the fastening ring is inserted into the rubber packing exposed to both ends of the pipe, and the fastening rings on both sides are fastened with bolts and nuts.

Utility model registration No. 20-443541 'variable pipe joint device' is to insert the end of the pair of tubular body to be coupled, and each of the tubular body is fitted with a fastening member, respectively, the coupling member installed in each of the fastening member is combined.

Patent registration No. 10-767470 'pipe joint device for preventing the separation of the release pipe', the connection pipe is inserted into each other by a joint using a fastener, the extension pipe at a distance away from the joint Presses to fix the pressing wheel, and the upper surface of the pressing ring is radially formed to form a fixing bracket projecting upward, the fixing bracket forms an opening in the direction of the center of the pressing ring, the lock bar of the fixing bracket After being caught in the opening portion is extended upward to be fastened to the spaced joints.

However, conventional pipe joint devices formed as described above are fastened or fastened by a bolt / nut or a connecting member or a lock bar to which a coupling ring (fixing member. Since it is intended to be detained, it is possible to connect the tubular body in a straight line, but it is not applicable when the tubular body is connected in a curved line or bent.

In addition, since the combined pipe is simply detained, the binding force of the pipe is weak, and thus, the sealing ability is low, and the phenomenon of the pipe being released (combined state is released) due to the pressure and vibration of the flowing fluid.

The present invention is to provide a joint for pipe connection that can solve the above problems.

According to the present invention, when connecting (connecting) different pipes to each other, each end of each pipe is inserted into the inside of the sleeve at both ends of the sleeve, and the compression holding means is respectively fastened by pressing the detaining means while the rubber packing is intervened. Its purpose is to provide a joint for pipe connection.

Another object of the present invention is to connect the pipes at a straight line and at various angles by inserting the ends of the pipes on both sides of the sleeves having fastening means formed at both ends of the sleeve body formed in various shapes such as straight, curved, and bent. With the rubber packing and the pressing body and the tube release prevention clip inserted into each pipe, the pipes are inserted into the pipes respectively, and each end of the sleeve and the pressing body and the tube release prevention clip are fastened with bolts and nuts to secure the pipe. It is to provide a joint for pipe connection which can be crimped and held.

Still another object of the present invention is to prevent the excessive compression of the rubber packing by fastening the spacer between the end of the sleeve and the pressing body, and coupling the connection tube escape prevention clip to the sleeve formed on both ends of the sleeve body It is an object of the present invention to provide a pipe connection joint that can prevent the pipes connected by zooming from being separated.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects,

Fastening means are formed in each of the connection heads formed at both ends, the sleeve body to which the pipe is inserted and connected at each end, and the pressing ring formed of a soft material coupled to the interior of the connection head formed at both ends of the sleeve body; A press body coupled to a sleeve formed at both ends of the sleeve body at an outer side of the press ring, and connected at an outer side of each press body and cut by an opening, and for pressing both cut portions by a press malt and a press nut Pipe connection formed by fastening the tube release prevention clip, the sleeve formed at both ends of the sleeve body, and the pressure ring fitted therein, and the pressure-bearing body and the connection pipe release prevention clip coupled to the outside of the sleeve with a fastening bolt and a fastening nut. For joints;

The sleeve may include a sleeve body into which pipes are inserted at both ends, a connection head and a flange integrally formed at both ends of the sleeve body, and fastening stones which are formed opposite to each other on the flange and have fastening holes formed therein, respectively. ;

The pressing ring may include a pressing ring body formed in a ring shape using rubber or soft synthetic resin, an outer inclined surface formed on one surface of the pressing ring body and inserted into a flange formed on a sleeve, and the pressing ring body. It is formed on the other surface and formed of the inner sloping surface and annular dolte to which the pressing body is coupled;

The pressing body has a pressing inclined surface formed on one surface and formed in a ring shape, a flange integrally formed on an outer surface of the pressing ring, and a fastening stone piece formed in a direction opposite to the flange and having a fastening hole, respectively. With;

The connection pipe detachment prevention clip is formed in a ring shape, the pressing ring formed with an opening, the fastening piece formed at right angles to the opening and the fastening hole is formed to correspond to the outer surface of the pressing wheel, and the opening of the pressing wheel formed Formed by opposing fastening fastening fastening holes formed in the opposite ends and formed with a fastening hole, and a fastening bolt and a fastening nut fastened to fastening holes drilled in the opposite fastening fastening pieces; pipe connection joint (1) characterized in that Is achieved.

delete

The pipe connection joint according to the present invention is inserted into and coupled to the ends of the pipes on both sides of the sleeves having fastening means formed at both ends of the sleeve body formed in various shapes such as straight, curved, and bent, so that the pipes are straight and various angles. The rubber packing and the pressing body and connection tube release prevention clip are inserted into each pipe, and each end of the sleeve and the pressing body and connection tube release prevention clip are fastened with bolts and nuts. It is to be able to reliably press the detention.

The present invention can prevent excessively compressing the rubber packing by fastening a spacer between the end of the sleeve and the pressing member, and connecting the joint tube release prevention clip to the sleeve formed at both ends of the sleeve body to connect the joint. It is possible to prevent the pipe to be released.

1a and 1b are perspective views of a pipe connection joint according to the present invention.
2a and 2b is a front sectional view and a side view showing the overall structure of the pipe connection joint according to the present invention.
3A to 3E are cross-sectional views showing different embodiments of a sleeve installed in a pipe connection joint according to the present invention.
4 and 5 are a side view and a main portion of the sleeve in the joint for pipe connection according to the invention.
6A and 6B are a plan view and a cross-sectional view showing the pressing body in the pipe connection joint according to the present invention.
7A to 7D are a plan view and a front view and a rear view and a sectional view showing an extract of the connection pipe separation prevention clip installed in the pipe connection joint according to the present invention.
8a to 8d and 9a and 9b are exemplary views showing different embodiments of spacers installed in the pipe connection joint according to the present invention.

Pipe joint 1 according to the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

1A to 9B are views showing a concrete implementation of the pipe connection joint 1 according to the present invention, and FIGS. 1A and 1B are perspective views of the pipe connection joint 1 according to the present invention. 2A and 2B are a front sectional view and a side view showing the overall structure of the pipe connection joint 1 according to the present invention.

3A to 3E and FIGS. 4 and 5 are excerpt views showing different embodiments of the sleeve 10 installed in the pipe connection joint 1 and one side view and the main portion of the sleeve 10 according to the present invention. 6A and 6B are a plan view and a cross-sectional view showing the pressing body 30 in the present invention, Figure 7a to 7d is a plan view and a front view and a rear view and a sectional view showing the connection tube escape preventing clip 40 in the present invention. 8A to 8D, and FIGS. 9A and 9B are exemplary views showing different embodiments of the spacer 50 installed in the present invention.

The joint 1 for pipe connection according to the present invention, as illustrated in FIGS. 1A and 1B and 2A and 2B, prevents the sleeve 10, the pressing ring 20, the pressing body 30, and the connection pipe from being separated. It was formed by dividing it into the clip 40 and the spacer 50 largely.

Fastening means are formed in each connection head 12 formed at both ends of the sleeve body 11, and the sleeve 10 to which the pipe 100 is inserted and connected at each end is formed as follows.

The sleeve 10 has a straight sleeve 10-1, a curved sleeve 10-2, 10-3, 10-4 and a rectangular sleeve 10-5 as illustrated in Figs. 3A to 3E. It is mentioned to form.

The linear sleeve 10-1 is formed of a sleeve body 11 as a linear sleeve body 11-1, and the curved sleeves 10-2, 10-3, and 10-4 are sleeve bodies 11. 11-75 degrees, the curved angle of the 11.25 degree curved sleeve body (11-2), the 22.5 degree curved sleeve body (11-3), 45 degrees bent sleeve body (11-4) was formed at various angles. , The rectangular sleeves 10-5 are each formed of a sleeve body 11 as a rectangular sleeve body 11-5.

The sleeve body 11 formed as described above, that is, a straight sleeve body 11-1, a curved sleeve body (11.25 degree curved sleeve body 11-2), a 22.5 degree curved sleeve body 11-3, a 45 degree curved sleeve The connecting head 12 and the flange 13 are integrally formed at both ends of the main body 11-4, etc.) and the rectangular sleeve body 11-5, and the fastening protrusion pieces 14 are opposed to each other on the flange 13. Formed in the direction, but each fastening hole 15 was drilled in each fastening stone piece (14).

In particular, at the outer edge where the connection head 12 and the flange 13 forming the sleeve 10 are connected to each other, the anti-rotation pieces 16 are formed at the corners adjacent to each of the fastening holes 15 to fasten bolts ( 60) can be detained while preventing rotation.

The pressing ring 29 formed of a soft material respectively coupled to the inside of the flange 13 formed at both ends of the sleeve body 11 was formed as follows.

It is formed of rubber or soft synthetic resin, the pressing ring body 21 is formed in a ring shape, the outer ring surface 22 is formed on one surface of the pressing ring body 21 can be inserted into the flange (13). On the other side of the pressing ring body 21, the inner inclined surface 23 and the annular dolte 24 was formed to be able to combine the pressure wheel body 30 to be described in detail later.

As shown in FIGS. 6A and 6B, the pressing body 30 coupled to the flanges 13 formed at both ends of the sleeve body 11 at the outside of each pressing ring 20 has a pressing inclined surface ( 31-1) was formed integrally with the flange 32 on the outer surface of the pressing ring 31, the fastening hole 34, the fastening hole 34 is formed in each of the flange 32 in the opposite direction.

The connection pipe escape preventing clip 40 coupled to the outside of each of the pressing bodies 30 and cut by the opening portion and press-cut both cutting parts by the pressing malt and the pressing nut is illustrated in FIGS. 7A to 7D. As formed.

Openings 43 were formed in the pressing wheels 41 formed in a ring shape, and protrusion pieces 47 were formed on the inner surface of the pressing wheels 41 at regular intervals.

On the outer surface of the pressing wheel 41 perpendicular to the opening portion 43, the fastening hole 45 is formed integrally with each other, the fastening piece 44 is opened to the outside and the opening portion 43 is formed At both ends of the pressing wheel 41, the pressing fastening pieces 42 are formed to face each other, but each of the pressing fastening pieces 42 is provided with a fastening hole 46 to fasten the pressing bolt 47 and the pressing nut 48. .

Fastening hole 34 of the fastening hole 15 of the fastening stone piece 14 forming the sleeve 10 and the fastening hole 34 formed in the fastening stone piece 33 of the pressure ring body 30 and the fastening piece of the connection pipe separation preventing clip 40. Insert the fastening bolt 60 in the state in which the fastening holes 45 formed in the 44 are aligned, and screw the fastening nut 61 to the distal end of the fastening bolt 60 protruding outward from the fastening hole 45. By doing so, the sleeve 10 and the pressing body 30 and the connection pipe separation prevention clip 40 can be integrally coupled.

In particular, between the flange 13 of the sleeve 10 and the pressing body 30, the fastening bolt 60 is coupled to the spacer body 50 is coupled to the pressing body 30 and the connection pipe coupled to the sleeve 10 The release prevention clip 40 was to adjust the binding state so as not to bind too strongly.

The spacer 50 is formed as illustrated in FIGS. 8A-8D or as illustrated in FIGS. 9A and 9B.

The sheet member 51 was formed to have a narrow width and a long length, and curved ends 52 were formed at both ends of the sheet member 51 in the same direction, respectively, and fastening ribs 54 were formed on the inner surface of each curved end 52. ) Is integrally formed by the connecting portion 53, and the elastic elastic portion 55 is formed in the center of the sheet portion 51.

A method of connecting the pipe 100 by using the pipe connection joint 1 according to the present invention formed as described above, that is, the pipe connection joint 1 will be described.

The pipe rubber cap 110 is coupled to the end of each pipe 100 to be connected, and the connection pipe detachment prevention clip 40 and the pressing body 30 are fitted.

The pressing ring 20 is coupled to the inside of the flange 13 formed at both ends of the sleeve body 11, and the end of each pipe 100 to which the connection pipe escape preventing clip 40 and the pressing body 30 are fitted is flanged. Inserted into the interior of the (13), but coupled to the pressing ring 20 by fitting the end of the pipe 100, the connection pipe separation preventing clip 40 and the fastening holes 45, 34 of the pressing body (30) It is matched with the fastening hole 14 formed in the fastening stone piece 14 of the sleeve (10).

As described above, the sleeve in a state in which the coupling holes 45 and 34 of the connection pipe detachment prevention clip 40 and the pressing body 30 are aligned with the coupling holes 14 formed in the coupling protrusion 14 of the sleeve 10. Inserting the fastening bolt 60 through the fastening hole 14 formed in the fastening stone piece 14 of the (10) to the fastening holes 45, 34 of the connection tube escape prevention clip 40 and the pressure-wheel body 30 It passes through, screwing the fastening nut 61 to the fastening bolt 60 protruding into the fastening hole 45 of the connection tube escape prevention clip 40.

When screwing the fastening nut 61 to the fastening bolt 60 protruding into the fastening hole 45 of the connection pipe escape prevention clip 40 as described above, the head of the fastening bolt 60 is the anti-rotation piece 16 By screwing the fastening nut 61 in a state in which the contact and the contact (detained) it is possible to easily screw the fastening nut 61 to the fastening bolt (60).

As described above, the fastening bolt 60 is inserted into the fastening holes 14, 34, and 45 of the sleeve 10, the pressure bearing body 30, and the connection tube release prevention clip 40, and the fastening nut 61 is screwed. 2A, the pressing ring 31 of the pressing body 30 compresses the pressing ring 20, and the pressing ring 20 is expanded in and out of the connecting head 12. The outer circumferential surface of the pipe 100 coupled to the inside is firmly gripped, so that the fastening bolt 60 and the fastening nut 61 are screwed together so that the pipe 100 can be strongly held (fixed). .

However, if the pipe 100 is strongly detained (fixed) as described above, it cannot be easily released when the coupling state is later released, and thus, the fastening protrusion piece 14 of the sleeve 10 and the fastening stone piece 30 of the pressure ring body 30 are fixed. 33) can be installed by coupling the spacer 50 to the fastening bolt 60.

That is, the fastening nut 61 is inserted into the fastening bolt 60 by the fastening holes 14, 34, and 45 of the sleeve 10, the pressing member 30, and the connection pipe release prevention clip 40 as described above. When screwing the coupling rib 54 of the spacer 50 to the fastening bolt 60 between the fastening protrusion piece 14 of the sleeve 10 and the fastening protrusion piece 33 of the pressure ring body 30. The fastening ribs 54 maintain a proper distance between the fastening protrusion pieces 14 of the sleeve 10 and the fastening protrusion pieces 33 of the pressing body 30.

As described above, the sleeve is fastened by the fastening ribs 54 of the spacer 50 coupled to the fastening bolt 60 between the fastening protrusion piece 14 of the sleeve 10 and the fastening protrusion piece 33 of the pressure ring body 30. Since the fastening protrusion pieces 14 of 10 and the fastening protrusion pieces 33 of the wheel body 30 maintain proper intervals, the pressing ring 20 maintains an appropriate state without changing its appearance too much.

As described above, in the state in which the sleeve 10, the pressing member 30, and the connection pipe release prevention clip 40 are bound by the fastening bolt 60 and the fastening nut 61, the connection pipe release prevention clip 40 is crimped. The screw bolt 47 and the fastening nut 48 coupled to the fastening hole 46 of the fastening piece 42 are screwed together.

The connection pipe separation prevention clip 40 is screwed to the crimping bolt 47 and the soldering nut 48 coupled to the fastening hole 46 of the crimping fastening piece 42 is spaced between the crimping fastening piece 42 When the compression fastening piece 42 is close to each other, the pressing wheel 41 strongly compresses the outer circumferential surface of the pipe 100, and in particular, the stone pieces 47 formed on the inner circumferential surface of the pressing ring 41 are pipe 100. The outer peripheral surface of the is pressed.

Therefore, the connection pipe detachment prevention clip 40 fixed to the sleeve 10 strongly compresses the outer circumferential surface of the pipe 100, so that the fluid circulated through the pipe 100 connected inside the sleeve 10. Even when pressure and vibration occur, the pipe 100 detained by the connection pipe escape preventing clip 40 is prevented from being separated.

Although the present invention has been described in detail only with respect to the specific embodiments described, it will be obvious to those skilled in the art that various modifications and changes can be made within the technical scope of the present invention, and such modifications and variations belong to the appended claims. something to do.

1: pipe joint 10: sleeve
11: sleeve body 12: connection head
20: pressing ring 30: pressing body
40: connection tube release prevention clip 41: compression ring
42: crimp fastening 50: spacer
60: tightening bolt 61: tightening nut

Claims (11)

And a pressure ring formed of a sleeve body having fastening means formed at each connection head formed at both ends and having a pipe inserted at each end thereof, and a soft material coupled to the inside of the connection head formed at both ends of the sleeve body. A press body coupled to a sleeve formed at both ends of the sleeve body at an outer side of the press ring, and a connecting tube coupled at an outer side of each press body and cut by an opening part to press both cutting parts by a press malt and a press nut. For connection of pipes formed by fastening the release preventing clip, the sleeve formed at both ends of the sleeve body, and the pressing ring fitted therein, and the pressing body and the connection pipe release preventing clip coupled to the outside of the sleeve with fastening bolts and fastening nuts. In the joint;
The sleeve may include a sleeve body into which pipes are inserted at both ends, a connection head and a flange integrally formed at both ends of the sleeve body, and fastening stones which are formed opposite to each other on the flange and have fastening holes formed therein, respectively. ;
The pressing ring may include a pressing ring body formed in a ring shape using rubber or soft synthetic resin, an outer inclined surface formed on one surface of the pressing ring body and inserted into a flange formed on a sleeve, and the pressing ring body. It is formed on the other surface and formed of the inner sloping surface and annular dolte to which the pressing body is coupled;
The pressing body has a pressing inclined surface formed on one surface and formed in a ring shape, a flange integrally formed on an outer surface of the pressing ring, and a fastening stone piece formed in a direction opposite to the flange and having a fastening hole, respectively. With;
The connection pipe detachment prevention clip is formed in a ring shape, the pressing ring formed with an opening, the fastening piece formed at right angles to the opening and the fastening hole is formed to correspond to the outer surface of the pressing wheel, and the opening of the pressing wheel formed And a pressurized bolt and a pressurized nut fastened to opposite ends of the press-fitted fastening member and formed to face opposite ends and fastened to the fastening fastener. delete The method of claim 1, wherein the sleeve body is inserted into each of the pipe at both ends;
A pipe connection joint comprising any one of a straight sleeve body, a curved sleeve body, and a square sleeve body. delete delete delete The pipe connection joint according to claim 1, wherein a spacer is provided between the flange forming the sleeve and the wheel body. The joint for pipe connection according to claim 1, wherein an anti-rotation piece for detaining a fastening bolt is formed at an edge adjacent to the fastening hole at an outer edge to which the connection head and the flange which form the sleeve are connected. The method according to claim 1, wherein the bending angle of the curved sleeve body;
11 to 75 degrees; pipe connection joint characterized in that. The pipe connection joint according to claim 1, wherein the inner surface of the compression wheel is formed with a protrusion at regular intervals. The method of claim 8, wherein the spacer provided between the flange forming the sleeve and the pressing body;
A sheet member having a narrow width and a long length;
Curved ends formed in the same manner on both ends of the sheet member;
Fastening ribs integrally formed on an inner surface of each curved end portion by a connecting portion;
And a stretchable elastic portion formed in the center of the sheet portion.

Images