CN212361111U

CN212361111U - Easy-to-detach high-sealing-performance movable joint

Info

Publication number: CN212361111U
Application number: CN202022148908.0U
Authority: CN
Inventors: 艾建中
Original assignee: Jiangsu Dvp Hi Pressure Technology Co ltd
Current assignee: Jiangsu Dvp Hi Pressure Technology Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-01-15
Anticipated expiration: 2030-09-27

Abstract

The utility model discloses a high leakproofness union of readily removable type, including first union, first protective sheath, first connector, spread groove, retaining ring, second protective sheath, adapter sleeve, second union, threaded connection mouth, second connector, nut and first connector, nut inner chamber one side rigid coupling dog, the nut inner chamber is equipped with the retaining ring, retaining ring inner wall bonding one deck protection pad, second union one end runs through retaining ring and threaded connection mouth in proper order and extends the nut inner chamber, second union one end surface cover has the adapter sleeve, adapter sleeve and threaded connection mouth department of meeting top cover have the second protective sheath, the inboard second sealing washer and the second sealing washer of being equipped with round second sealing washer and second sealing washer from the left hand right side in proper order of second sealing washer, second sealing washer and the inboard second union surface of all laminating of second sealing washer. The utility model provides an easy removable high leakproofness protects effectual union.

Description

Easy-to-detach high-sealing-performance movable joint

Technical Field

The utility model relates to a loose joint specifically is a high leakproofness loose joint of readily removable type.

Background

The movable joint is called union or union, and is a common pipeline connector capable of being mounted and dismounted conveniently. The connecting form of the pipeline connecting piece machined after round steel or steel ingot die forging forming is divided into socket welding and threaded connection, the socket welding is to insert a steel pipe into a socket hole for welding, so the pipeline connecting piece is called as a socket movable joint, the threaded connection is to screw the steel pipe into a screw hole for connection, so the pipeline connecting piece is called as a threaded movable joint,

the common movable joint only comprises a nut, a cloud head and a butt joint part, although the installation and the disassembly are simple, the sealing performance is common, the leakage condition can occur when the pipeline is connected, the protection measures are common, the damage condition is easy to occur, the connection sealing performance is influenced, and the common complicated movable joint is inconvenient to install and disassemble. Therefore, an easily detachable high-sealing union is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above problems, the technical scheme of the utility model is that:

an easily-disassembled high-sealing-performance movable joint comprises a first movable joint, a first protective sleeve, a first connecting port, a connecting groove, a check ring, a second protective sleeve, a connecting sleeve, a second movable joint, a threaded connecting port, a second connecting port, a nut and a first connecting port, wherein a stop block is fixedly connected to one side of a nut inner cavity, the nut inner cavity is provided with the check ring, a protective pad is adhered to one layer of the inner wall of the check ring, one end of the second movable joint penetrates through the check ring and the threaded connecting port in sequence to extend out of the nut inner cavity, the connecting sleeve is sleeved on the surface of one end of the second movable joint, a second protective sleeve is sleeved at the top of the connecting position of the connecting sleeve and the threaded connecting port, a circle of second fire-proof ring and a circle of second sealing ring are sequentially arranged on the inner side of the second protective sleeve from left to right, the surfaces of, the surface of the second connecting head is sequentially sleeved with a circle of first sealing ring and a circle of first fireproof ring from left to right, the inner sides of the first sealing ring and the first fireproof ring are tightly attached to the surface of the second connecting head, the surfaces of the first sealing ring and the first fireproof ring are attached to the inner wall of the nut, the inner cavity of the second connector is sleeved with a second connector, one side of the second connector is fixedly connected with the first connector, the first connector is connected with the inner cavity of the nut through threads, one side of the first connector is fixedly connected with a first movable connector, the surface of the first movable joint is sleeved with a first protective sleeve, the inner side of the first protective sleeve is provided with a circle of red copper sealing ring, the inner side of the red copper sealing ring is attached to the surface of the first loose joint, one side of the first protective sleeve is fixedly connected, the nut and the first protective cover are opposite to each other, one side of the nut is provided with a connecting groove, and the first connecting port extends into the connecting groove and is connected with the connecting groove through threads.

Further, the inner diameter of the stop block is larger than the outer diameter of the second movable joint and smaller than the inner diameter of the retainer ring.

Further, the second connector internal diameter is greater than the second connector, the second connector external diameter is greater than the retaining ring internal diameter, and the second connector external diameter is less than the nut internal diameter.

Furthermore, the outer diameter of the first connecting head is smaller than the inner diameter of the end, provided with the threads, of the inner cavity of the nut and is larger than the inner diameter of the end, not provided with the threads, of the nut.

Furthermore, the section views of the first connecting port and the connecting groove are both annular, and the inner diameter of the first connecting port is larger than the inner diameter of the nut and the outer diameter of the first connecting port.

Furthermore, threads are formed on the surfaces of the connecting sleeve and the threaded connecting port, and the second protective sleeve is connected with the connecting sleeve and the threaded connecting port through threads.

Further, the inner cavity of the second connector is connected with the second connecting port through threads.

Further, the outer diameters of the second sealing ring and the second fireproof ring are both larger than the inner diameter of the connecting sleeve.

Further, the outer diameters of the first sealing ring and the first fire prevention ring are smaller than the outer diameter of the first connecting head.

The utility model has the advantages that: the utility model provides an easy-to-detach high-sealing-performance movable joint with good protection effect, which comprises a first sealing ring, a protection pad, a first fireproof ring, a second sealing ring and a second fireproof ring, wherein the sealing performance can be improved during connection, the fireproof effect can be improved, the anti-corrosion effect of the red copper sealing ring is better, the service life can be prolonged, and the leakage condition can be avoided;

2. the first protective sleeve is conveniently sleeved on the surface of the first movable joint through the first connecting port and the connecting groove, so that the first movable joint can be protected, the second movable joint can be conveniently protected through the connecting sleeve, the second protective sleeve and the threaded connecting port, and the sealing performance and the sealing effect are prevented from being influenced due to easy damage in the using process;

3. the check ring is convenient to place through the check block, the second connector of first connector one side rigid coupling passes through the threaded connection second connector, and the second protective sheath passes through threaded connection adapter sleeve and threaded connection mouth moreover, not only can easy to assemble, can conveniently dismantle moreover, improves the convenience of installation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic front view of an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a first connector and a second connector according to an embodiment of the present invention.

In the figure: 1. red copper sealing washer, 2, first loose joint, 3, first protective sheath, 4, first interface, 5, spread groove, 6, first sealing washer, 7, retaining ring, 8, protection pad, 9, second protective sheath, 10, second sealing washer, 11, adapter sleeve, 12, second loose joint, 13, first flame arrester, 14, threaded connection mouth, 15, dog, 16, first connector, 17, nut, 18, second flame arrester, 19, second connector, 20, the second connector.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances for purposes of describing the embodiments of the invention herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in the present invention can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1-3, an easily detachable high-sealing-performance movable joint includes a first movable joint 2, a first protective sleeve 3, a first connection port 4, a connection groove 5, a retainer ring 7, a second protective sleeve 9, a connection sleeve 11, a second movable joint 12, a threaded connection port 14, a second connection port 19, a nut 17 and a first connection port 16, a stopper 15 is fixedly connected to one side of an inner cavity of the nut 17, the retainer ring 7 is disposed in the inner cavity of the nut 17, a protective pad 8 is bonded to an inner wall of the retainer ring 7, one end of the second movable joint 12 sequentially penetrates through the retainer ring 7 and the threaded connection port 14 to extend out of the inner cavity of the nut 17, the connection sleeve 11 is sleeved on a surface of one end of the second movable joint 12, the second protective sleeve 9 is sleeved on a top of a connection portion of the connection sleeve 11 and the threaded connection port 14, a circle of a second fireproof ring 18 and a, the surface of a second movable joint 12 is attached to the inner sides of a second sealing ring 10 and a second fire prevention ring 18, the other end of the second movable joint 12 is fixedly connected with a second connector 19, the surface of the second connector 19 is sequentially sleeved with a circle of a first sealing ring 6 and a first fire prevention ring 13 from left to right, the inner sides of the first sealing ring 6 and the first fire prevention ring 13 are tightly attached to the surface of the second connector 19, the inner walls of the surface-attached nuts 17 of the first sealing ring 6 and the first fire prevention ring 13 are attached to the inner wall of the first sealing ring 13, a second connector 20 is sleeved in the inner cavity of the second connector 19, one side of the second connector 20 is fixedly connected with a first connector 16, the first connector 16 is connected with the inner cavity of the nut 17 through threads, one side of the first connector 16 is fixedly connected with a first movable joint 2, the surface of the first movable joint 2 is sleeved with a first protective sleeve 3, the inner side of the first protective sleeve 3 is, one side of the first protection sleeve 3 is fixedly connected, one opposite side of the nut 17 and the first protection sleeve 3 is provided with a connecting groove 5, and the first connecting port 4 extends to the inside of the connecting groove 5 and is connected with the connecting groove 5 through threads.

The inner diameter of the stop block 15 is larger than the outer diameter of the second movable joint 12 and smaller than the inner diameter of the retainer ring 7.

The internal diameter of the second connector 19 is greater than the second connector 20, the external diameter of the second connector 19 is greater than the internal diameter of the retainer ring 7, and the external diameter of the second connector 19 is less than the internal diameter of the nut 17.

The outer diameter of the first connecting head 16 is smaller than the inner diameter of the end of the inner cavity of the nut 17 provided with the threads, and is larger than the inner diameter of the end of the nut 17 not provided with the threads.

The section views of the first connecting port 4 and the connecting groove 5 are both annular, and the inner diameter of the first connecting port 4 is larger than the inner diameter of the nut 17 and the outer diameter of the first connecting port 16.

The surfaces of the connecting sleeve 11 and the threaded connecting port 14 are both provided with threads, and the second protective sleeve 9 is connected with the connecting sleeve 11 and the threaded connecting port 14 through the threads.

The inner cavity of the second connector 19 is connected with a second connecting port 20 through threads.

The outer diameters of the second sealing ring 10 and the second fireproof ring 18 are both larger than the inner diameter of the connecting sleeve 11.

The outer diameters of the first sealing ring 6 and the first fireproof ring 13 are smaller than the outer diameter of the first connecting head 16.

The using method comprises the following steps:

(1) placing a check ring, placing the check ring 7 in the nut 17 from the left side of the nut 17, and blocking the check ring 7 by using the stop block 15;

(2) placing a second movable joint, extending the second movable joint 12 out of the nut 17 from the left side of the nut 17 through the inner part of the retainer ring 7 and the threaded connecting port 14, and blocking a second connecting head 19 by using the retainer ring 7;

(3) installing a first connector, sequentially placing a first fire collar 13 and a first sealing ring 6 on the surface of a second connector 19, placing a first connector 16 inside a nut 17, connecting the first connector 16 with the inner wall of the nut 17 by screwing the first connector 16, connecting the first connector 16 with the screw thread on the surface of a second connector 20 by using the screw thread on the inner wall of the second connector 19, tightly connecting the first connector 16 with the second connector 19, and blocking the first sealing ring 6 and the first fire collar 13 by using the first connector 16;

(4) sealing the second movable joint, sequentially sleeving a circle of second fire-proof ring 18 and a circle of second sealing ring 10 from the right side surface of the second movable joint 12, sequentially moving the second fire-proof ring 18 and the second sealing ring 10 to the inner side of the stop block 15, and sleeving a circle of connecting sleeve 11 on the surface of the second movable joint 12, wherein the second fire-proof ring 18 and the second sealing ring 10 can be blocked by using the connecting sleeve 11;

(5) installing a second protective sleeve, installing the second protective sleeve 9 by using the threads on the surface of the connecting sleeve 11, then rotating the second protective sleeve 9, rotating the second protective sleeve 9 to the connecting position of the connecting sleeve 11 and the threaded connecting port 14, and simultaneously connecting the second protective sleeve 9 with the connecting sleeve 11 and the threaded connecting port 14;

(6) install first protective sheath, overlap first protective sheath 3 on 2 surfaces of first movable joint, then remove first protective sheath 3, move first connector 4 inside spread groove 5, later can rotate first protective sheath 3, utilize the first connector 4 of the screw thread on 4 surfaces of first connector and the threaded connection of 5 inner walls of spread groove 5 and spread groove 5, then to 2 surface cover of first movable joint there is round red copper sealing washer 1, it is inboard to move first protective sheath 3 with red copper sealing washer 1, then can pass through inside threaded connection pipeline with first movable joint 2 and second movable joint 12.

The utility model discloses an useful part lies in:

1. the sealing performance can be improved and the fireproof effect can be improved through the red copper sealing ring, the first sealing ring, the protection pad, the first fireproof ring, the second sealing ring and the second fireproof ring during connection, the corrosion prevention effect of the red copper sealing ring is good, the service life can be prolonged, and the leakage condition can be avoided;

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high leakproofness union of easy type of dismantling which characterized in that: including first loose joint (2), first protective sheath (3), first interface (4), spread groove (5), retaining ring (7), second protective sheath (9), adapter sleeve (11), second loose joint (12), threaded connection mouth (14), second connector (19), nut (17) and first connector (16), nut (17) inner chamber one side rigid coupling dog (15), nut (17) inner chamber is equipped with retaining ring (7), retaining ring (7) inner wall bonding one deck protection pad (8), second loose joint (12) one end runs through retaining ring (7) and threaded connection mouth (14) in proper order and extends nut (17) inner chamber, second loose joint (12) one end surface cover has adapter sleeve (11), adapter sleeve (11) and threaded connection mouth (14) meet a department top cover have second protective sheath (9), second protective sheath (9) inboard is equipped with round second retainer ring (18) and second sealing washer (18) from left right side in proper order (10) The second sealing ring (10) and the inner side of the second fire-proof ring (18) are both attached to the surface of a second movable joint (12), the other end of the second movable joint (12) is fixedly connected with a second connector (19), the surface of the second connector (19) is sequentially sleeved with a circle of first sealing ring (6) and a circle of first fire-proof ring (13) from left to right, the inner side of the first sealing ring (6) and the inner side of the first fire-proof ring (13) are tightly attached to the surface of the second connector (19), the inner wall of the surface-attached nut (17) of the first sealing ring (6) and the first fire-proof ring (13) is sleeved with a second connector (20), one side of the second connector (20) is fixedly connected with a first connector (16), the first connector (16) is connected with the inner cavity of the nut (17) through threads, one side of the first connector (16) is fixedly connected with a first movable joint (2), first loose joint (2) surface cover has first protective sheath (3), first protective sheath (3) inboard is equipped with round red copper sealing washer (1), the first loose joint (2) surface of red copper sealing washer (1) inboard laminating, first protective sheath (3) one side rigid coupling, spread groove (5) are seted up to one side in opposite directions to nut (17) and first protective sheath (3), first connecting port (4) extend to spread groove (5) inside through threaded connection spread groove (5).

2. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: the inner diameter of the stop block (15) is larger than the outer diameter of the second movable joint (12) and smaller than the inner diameter of the retainer ring (7).

3. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: the internal diameter of the second connector (19) is larger than the second connector (20), the external diameter of the second connector (19) is larger than the internal diameter of the retainer ring (7), and the external diameter of the second connector (19) is smaller than the internal diameter of the nut (17).

4. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: the outer diameter of the first connecting head (16) is smaller than the inner diameter of one end of the inner cavity of the nut (17) provided with the threads and is larger than the inner diameter of one end of the nut (17) not provided with the threads.

5. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: the section views of the first connecting port (4) and the connecting groove (5) are both annular, and the inner diameter of the first connecting port (4) is larger than the inner diameter of the nut (17) and the outer diameter of the first connecting head (16).

6. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: threads are formed on the surfaces of the connecting sleeve (11) and the threaded connecting port (14), and the second protective sleeve (9) is connected with the connecting sleeve (11) and the threaded connecting port (14) through the threads.

7. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: the inner cavity of the second connector (19) is connected with a second connecting port (20) through threads.

8. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: the outer diameters of the second sealing ring (10) and the second fireproof ring (18) are both larger than the inner diameter of the connecting sleeve (11).

9. The easy-to-disassemble high-sealing-performance movable joint according to claim 1, characterized in that: the outer diameters of the first sealing ring (6) and the first fireproof ring (13) are smaller than the outer diameter of the first connecting head (16).