CN218718749U - Quick sealing connecting device - Google Patents

Abstract

The utility model discloses a quick sealing connecting device has solved current sealing connecting device and has needed multiunit bolt, sealing performance relatively poor, the difficult problem of dismouting. The technical scheme includes that the connector comprises an inner connector sleeved on an outer sleeve, wherein an outer spigot correspondingly attached to an inner spigot at the lower end of the outer sleeve is arranged at the lower section of the inner connector; the outer peripheral surface of the upper section of the inner joint is provided with an annular elastic cavity, and an elastic ring is arranged in the annular elastic cavity; the inner wall of the upper section of the outer sleeve is provided with a stepped groove, the depth of the upper groove of the stepped groove is greater than that of the lower groove, a retainer ring is arranged in the lower groove of the stepped groove, and a retainer ring assembly is arranged in the upper groove of the stepped groove; the elastic ring, the retainer ring and the retainer ring assembly are sequentially attached from bottom to top. The utility model has the advantages of being compact in structure and easy in operation, connect and sealing performance is good, the reliability is high, and do not have bolt assembly, easily installation and dismantlement.

Description

Quick sealing connecting device

Technical Field

The utility model relates to a connecting device, specific quick sealing connecting device that says so.

Background

Sealing connection device, the bolt is the most common fixed connection part, locking bolt, and efficiency is lower, to the less sealing device of operating space, when adopting conventional bolted connection, considers dismantling the bolt nut instrument, is difficult to realize, and multiunit bolted connection can lead to the sealing member atress inhomogeneous simultaneously, easily produces after the installation and reveals the phenomenon.

For example, patent No. 201210490142.1 discloses a steel plate sealing connector, which comprises a longitudinal support with an I-shaped cross section, wherein the longitudinal support comprises a first end plate and a second end plate, the first end plate and the second end plate are connected through a connecting plate, the first end plate is connected with an embedded part arranged on the side wall of a slag disintegrating pit, and a first clamping plate and a second clamping plate are respectively arranged on two sides of the connecting plate. Two rows of embedded bolts are arranged on the embedded part, fixing holes are formed in the positions, corresponding to the embedded bolts, of the first end plate, and the end portions of the embedded bolts penetrate through the fixing holes to be connected with fixing nuts. The first clamping plate and the second clamping plate are connected with the connecting plate through bolts. Which is connected by a plurality of groups of bolts, also has the problems.

In terms of the socket joint part needing sealing connection, how to design a sealing device without bolt connection and with a compact structure for the part with a small operation space is a technical problem to be solved by technical personnel.

Disclosure of Invention

The utility model aims at solving the technical problem, provide a compact structure, easy operation, connect and sealing performance is good, the reliability is high, and does not have bolt assembly, easily install and the quick sealing connection device who dismantles.

The utility model discloses a quick sealing connecting device, which comprises an inner joint sleeved on an outer sleeve, wherein the lower section of the inner joint is provided with an outer spigot correspondingly attached to an inner spigot at the lower end of the outer sleeve; the outer peripheral surface of the upper section of the inner joint is provided with an annular elastic cavity, and an elastic ring is arranged in the annular elastic cavity; the inner wall of the upper section of the outer sleeve is provided with a stepped groove, the depth of the upper groove of the stepped groove is greater than that of the lower groove, a retainer ring is arranged in the lower groove of the stepped groove, and a retainer ring assembly is arranged in the upper groove of the stepped groove; the elastic ring, the retainer ring and the retainer ring assembly are sequentially attached from bottom to top.

And a gasket positioned between the outer sleeve and the elastic ring is arranged in the annular elastic cavity, and the thickness of the elastic ring is greater than that of the gasket.

And a sealing groove is arranged on the inner wall of the outer sleeve or the outer wall of the inner joint, and a sealing ring is arranged in the sealing groove.

The baffle ring assembly is formed by splicing a plurality of baffle rings.

The periphery of the top surface of the inner ring of the retainer ring is provided with an outer spigot which can be correspondingly inserted into the inner hole of the retainer ring assembly.

The utility model realizes the limit of the downward acting force by utilizing the matching of the inner spigot at the lower end of the outer sleeve and the outer spigot of the inner joint correspondingly attached; the limit of the upward acting force is realized by the cooperation of the elastic ring, the check ring and the stop ring assembly; meanwhile, the sealing groove is matched with the sealing ring to realize the sealing between the outer sleeve and the inner joint; the outer spigot of the retainer ring is used for being inserted into the retainer ring assembly to support the retainer ring after splicing and installation. The retaining ring is constrained between the outer spigot of the retaining ring and the lower groove of the stepped groove, so that the reliability and stability of connection are ensured. The utility model discloses compact structure, easy operation, connection and sealing performance are good, the reliability is high, and do not have bolt assembly, and nimble adaptability is good, easily installs and dismantles.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the cutting assembly of the present invention.

Fig. 3 is a view of the local installation state of the present invention.

FIG. 4 is a state diagram after the local installation of the utility model

The sealing device comprises an inner connector 1, an outer spigot 1.1, an annular elastic cavity 1.2, a retaining ring component 2, a retaining ring 2.1, a retaining ring 3, an outer spigot 3.1, a gasket 4, a sealing groove 5, an outer sleeve 6, an inner spigot 6.1, an upper groove 6.2, a lower groove 6.3, an elastic ring 7 and a sealing ring 8.

Detailed Description

The invention will be further explained with reference to the drawings:

referring to fig. 1, the pipe joint comprises an inner joint 1 sleeved on a jacket 6, wherein an outer seam allowance 1.1 correspondingly attached to an inner seam allowance 6.1 at the lower end of the jacket 6 is arranged at the lower section of the inner joint 1;

the outer peripheral surface of the upper section of the inner joint 1 is provided with an annular elastic cavity 1.2, an elastic ring 7 is arranged in the annular elastic cavity 1.2, a gasket 4 positioned between an outer sleeve 6 and the elastic ring 7 is further arranged, and the thickness of the elastic ring 7 is larger than that of the gasket 4;

the inner wall of the upper section of the outer sleeve 6 is provided with a stepped groove, the depth of an upper groove 6.2 of the stepped groove is greater than that of a lower groove 6.3, a retainer ring 3 is arranged in the lower groove 6.3 of the stepped groove, and the retainer ring 3 has high strength and is used for supporting upward acting force; a baffle ring assembly 2 is arranged in an upper groove 6.1 of the stepped groove, referring to fig. 2, and the baffle ring assembly 2 is formed by splicing a plurality of arc-shaped baffle rings 2.1; the elastic ring 7, the check ring 3 and the stop ring assembly 2 are sequentially clung from bottom to top, and an outer spigot 3.1 which can be correspondingly inserted into an inner hole of the stop ring assembly 2 is arranged on the periphery of the top surface of the inner ring of the check ring 3 and used for limiting the stop ring assembly 2 and preventing the stop ring assembly 2 from falling off;

and a sealing groove 5 is formed in the inner wall of the outer sleeve 6 or the outer wall of the inner joint 1, and a sealing ring 8 is arranged in the sealing groove 5.

During installation: referring to fig. 3-4, the sealing ring 8 is placed in the sealing groove 5 of the inner joint 1, and grease with high viscosity can be used for adhesion in order to prevent the sealing ring from falling off. Insert interior joint 1 in the 6 hole of overcoat, make the outer tang 1.1 of inside subassembly 1 correspond the laminating with the inner tang 6.1 of overcoat 6, place outside packing ring 4 and inboard elastic ring 7 to the annular elastic cavity 1.2 of inside joint 1, then place retaining ring 3 at the elastic ring top, press retaining ring 3 down for its elastic ring 7, make retaining ring 3 arrange in lower groove 6.3, and the laminating is on packing ring 4 top surface, put retaining ring 2.1 of retaining ring subassembly 2 in proper order into the last groove 6.2 of overcoat 1 and splice into a complete ring-type, loosen the holding down force to retaining ring 3, elastic ring 7 resets, jack up retaining ring 3 and retaining ring subassembly 2 upwards in proper order, make the outer tang 3.1 of retaining ring 3 just in time insert the hole of retaining ring subassembly 2, prevent that retaining ring subassembly 2 from droing. Meanwhile, the upward acting force is limited by the upper groove 6.2 when being transmitted to the baffle ring component 2, and the installation is completed.

The utility model discloses can bear the pressure of two directions, when decurrent pressure, keep off 2 directions given pressures of ring subassembly promptly, under the pressure effect, spigot laminating is inseparabler in 1 makes its outer tang and overcoat of internal joint 1, relies on internal joint 1 and 6 self intensity of overcoat to resist external pressure, and 8 completions of sealing washer are sealed. When upward pressure is applied, namely, pressure is given from the lower side of the inner joint 1, the inner joint 1 slides along the inner hole of the outer sleeve 6 under the action of the pressure, the elastic ring 7 is compressed and retracted, the gasket 4 is enabled to contact and compress the retainer ring 3, the retainer ring 3 compresses the retainer ring assembly 2, the upward pressure is resisted by means of the limiting of the lower groove 6.3 and the self strength of the inner joint 1 and the retainer ring assembly 2, and the sealing ring 8 is sealed.

When the disassembly is carried out: downward load is exerted for retaining ring 3, compression elastic ring 7, and retaining ring 3 moves down and laminates with packing ring 4, and the tang 3.1 of retaining ring 3 breaks away from and keeps off 2 holes in the ring subassembly, makes and keeps off ring subassembly 2 and become free state, can easily get rid of the fender ring that keeps off ring subassembly 2 to realize quick split.

Claims (5)

1. A quick sealing connecting device comprises an inner joint sleeved on an outer sleeve, and is characterized in that an outer spigot correspondingly attached to an inner spigot at the lower end of the outer sleeve is arranged at the lower section of the inner joint; the outer peripheral surface of the upper section of the inner joint is provided with an annular elastic cavity, and an elastic ring is arranged in the annular elastic cavity; the inner wall of the upper section of the outer sleeve is provided with a stepped groove, the depth of the upper groove of the stepped groove is greater than that of the lower groove, a retainer ring is arranged in the lower groove of the stepped groove, and a retainer ring assembly is arranged in the upper groove of the stepped groove; the elastic ring, the retainer ring and the retainer ring assembly are sequentially attached from bottom to top.

2. The quick seal connection of claim 1, wherein a gasket is disposed in the annular elastomeric chamber between the outer housing and the elastomeric ring, the elastomeric ring having a thickness greater than a thickness of the gasket.

3. The quick-sealing connecting device according to claim 1 or 2, wherein a sealing groove is formed on the inner wall of the outer sleeve or the outer wall of the inner joint, and a sealing ring is arranged in the sealing groove.

4. The quick seal connection of claim 1, wherein said retainer ring assembly is formed by splicing a plurality of retainer rings.

5. The quick connect seal of claim 4 wherein said retainer ring has an outer spigot on the periphery of the inner top surface thereof for insertion into the inner bore of said retainer ring assembly.

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