CN215522390U

CN215522390U - Cutting ferrule type quick assembling and disassembling joint

Info

Publication number: CN215522390U
Application number: CN202120914499.2U
Authority: CN
Inventors: 甘学招; 李虎
Original assignee: Hubei Ruihe Rail Transit Development Co ltd
Current assignee: Hubei Ruihe Rail Transit Development Co ltd
Priority date: 2021-04-29
Filing date: 2021-04-29
Publication date: 2022-01-14
Anticipated expiration: 2031-04-29

Abstract

The utility model discloses a ferrule type quick-dismounting joint, and relates to the technical field of ferrule type joints. The utility model comprises a connector body, a pressing device, a nut, a sealing device and a locking device, wherein one end of a first circular tube is connected with one end of a second circular tube, the inner surface of a first sealing ring is connected with the outer surface of the second circular tube, one end of the first sealing ring is connected with one end of the first circular tube, the outer surface of a hexagonal body is provided with two through holes, two lower pressing rods are respectively connected with the two through holes, one ends of two fixing plates are connected with the outer surface of the hexagonal body, and the outer surface of the second sealing ring is connected with the inner surface of the hexagonal body. According to the ferrule type quick assembly and disassembly joint, a pipeline is connected from the inner part of the first circular pipe, the pressing plate is an inclined plane body, the second circular pipe is plugged into the hexagonal body, the pressing plate provides outward tension and is responsible for fixing the position of the second circular pipe, the third circular pipe is rotated, the internal thread and the external thread are matched with each other, and the ferrule ring begins to extrude the third sealing ring.

Description

Cutting ferrule type quick assembling and disassembling joint

Technical Field

The utility model belongs to the technical field of ferrule type joints, and particularly relates to a ferrule type quick-dismounting joint.

Background

At present, the widely used metal pipeline connected mode has couplings such as screw thread formula, welded type, flaring formula, cutting ferrule formula, adopts different connected modes according to the operating mode requirement of difference and condition, and cutting ferrule formula connects and has the triplex to constitute: the joint body, the clamping sleeve ring and the nut are screwed after the clamping sleeve ring and the nut are sleeved on the steel pipe and inserted into the joint body, the outer side of the front end of the clamping sleeve ring is attached to the conical surface of the joint body, and the inner blade uniformly bites into the seamless steel pipe to form effective sealing.

The existing ferrule type joint has high requirements on the precision and hardness of a pipe, the disassembly and assembly process of a ferrule and a nut is complex, and the ferrule and the nut are easily damaged, so that the sealing effect cannot be guaranteed, and the popularization and application in a wider range are influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects or improvement requirements of the prior art, the utility model provides the ferrule type quick assembly disassembly joint, which can effectively solve the problems of complex assembly and disassembly process and easy damage in the background art.

In order to achieve the purpose, the utility model provides a ferrule type quick assembly disassembly connector which comprises a connector body, a pressing device, a nut, a sealing device and a locking device, wherein the connector body comprises a first round pipe, a first sealing ring and a second round pipe, one end of the first round pipe is connected with one end of the second round pipe, the inner surface of the first sealing ring is connected with the outer surface of the second round pipe, one end of the first sealing ring is connected with one end of the first round pipe, the pressing device comprises a hexagonal body, a second sealing ring, a lower pressing rod and a fixing plate, the outer surface of the hexagonal body is provided with two through holes, the two lower pressing rods are respectively connected with the two through holes, one ends of the two fixing plates are connected with the outer surface of the hexagonal body, the outer surface of the second sealing ring is connected with the inner surface of the hexagonal body, the nut comprises a third round pipe, a limiting pipe and an internal thread, the outer surface of the third round pipe is welded with the inner surface of the limiting pipe, the utility model discloses a sealing device for a pipe, including a sealing device, a connecting pipe, a locking device and a locking device, internal thread installation and third pipe inner surface, third pipe one end is connected with hexagonal body one end, sealing device includes fourth pipe, external screw thread, third sealing washer and connecting pipe, external screw thread installation and fourth pipe surface, third sealing washer surface and fourth pipe internal surface connection, fourth pipe one end and the inside side surface connection of connecting pipe, locking device includes locking block, locking lever and montant, locking block upper surface locking lever one end is connected, the connecting pipe surface is equipped with the mounting hole, the locking lever is connected with the mounting hole, the montant lower surface and connecting pipe surface connection.

Preferably, the joint body still includes riser and pressure strip, two riser side surface all with second pipe surface connection, two pressure strip one end is connected with two riser opposite side surfaces respectively, and the position of second pipe can be fixed to the pressure strip.

Preferably, the pressing device further comprises a first spring and a pressing plate, wherein one end of the fixing plate is provided with a round hole, the pressing rod penetrates through two round holes to be connected with one end of the two pressing plates, the first spring is of a spiral structure, the first spring is installed on the outer surface of each of the two pressing rods, the pressing plate can be pressed by the pressing rod, and the hexagonal body can be drawn out by the third round pipe.

Preferably, the nut further comprises a clamping ring, the outer surface of the clamping ring is connected with the inner surface of the third circular tube, and the clamping ring is matched with the third sealing ring to ensure the sealing effect.

Preferably, the sealing device further comprises a sealing tube, the outer surface of the sealing tube is connected with the inner surface of the connecting tube, and the inner surface of the sealing tube is matched and sealed with the outer surface of the limiting tube.

Preferably, locking device still includes second spring and pull rod, the montant is equipped with inlays the hole, locking lever one end is passed and is inlayed the hole and be connected with the pull rod surface, the second spring is helical structure, second spring mounting and locking lever surface, locking piece make spacing pipe fix in sealed intraductal.

In general, compared with the prior art, the above technical solution contemplated by the present invention can achieve the following beneficial effects:

(1) according to the utility model, by arranging the compression plate and the lower compression rod, when the joint body is installed, the compression plate can provide outward tension and can lock the position of the joint body, when the joint body is disassembled, the compression plate can not provide tension by pressing the lower compression rod, and the installation and the disassembly of the joint body are facilitated.

(2) According to the utility model, the position of the nut can be better interacted by arranging the limiting pipe and the locking block, the sealing effect of the clamping ring and the third sealing ring is better, the nut can be rapidly dismounted by lifting the pull rod, and the operation complexity is reduced.

Drawings

FIG. 1 is a schematic view of an overall external structure of a ferrule-type quick disconnect coupling of the present invention;

FIG. 2 is a schematic view of an internal overall structure of a ferrule-type quick disconnect coupling of the present invention;

FIG. 3 is a schematic front view of a ferrule-type quick disconnect coupling of the present invention;

FIG. 4 is a schematic view of a partially enlarged structure of the ferrule type quick release coupling shown in FIG. 1;

fig. 5 is a schematic diagram of a partially enlarged structure at B in fig. 3 of the ferrule type quick release coupling according to the present invention.

In all the figures, the same reference numerals denote the same features, in particular: 100. a fitting body; 110. a first circular tube; 120. a first seal ring; 130. a second circular tube; 140. a vertical plate; 150. a compression plate; 200. a pressing device; 210. a hexagonal body; 220. a second seal ring; 230. a lower pressure lever; 240. a fixing plate; 250. a first spring; 260. a pressing plate; 300. a nut; 310. a third circular tube; 320. a limiting pipe; 330. an internal thread; 340. a ferrule is clamped; 400. a sealing device; 410. a fourth circular tube; 420. an external thread; 430. a third seal ring; 440. a connecting pipe; 450. a sealing tube; 500. a locking device; 510. a locking block; 520. a locking lever; 530. a vertical rod; 540. a second spring; 550. a pull rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention is a ferrule type quick-release coupling, including a coupling body 100, a pressing device 200, a nut 300, a sealing device 400 and a locking device 500, wherein the coupling body 100 includes a first circular tube 110, a first sealing ring 120 and a second circular tube 130, one end of the first circular tube 110 is connected to one end of the second circular tube 130, an inner surface of the first sealing ring 120 is connected to an outer surface of the second circular tube 130, one end of the first sealing ring 120 is connected to one end of the first circular tube 110, the pressing device 200 includes a hexagonal body 210, a second sealing ring 220, a lower pressing rod 230 and a fixing plate 240, two through holes are disposed on an outer surface of the hexagonal body 210, the two lower pressing rods 230 are respectively connected to the two through holes, one ends of the two fixing plates 240 are both connected to an outer surface of the hexagonal body 210, an outer surface of the second sealing ring 220 is connected to an inner surface of the hexagonal body 210, the nut 300 includes a third circular tube 310, a limiting tube 320 and an internal thread 330, the outer surface of the third circular tube 310 is welded to the inner surface of the limiting tube 320, the inner threads 330 are installed on the inner surface of the third circular tube 310, one end of the third circular tube 310 is connected with one end of the hexagonal body 210, the sealing device 400 comprises a fourth circular tube 410, outer threads 420, a third sealing ring 430 and a connecting tube 440, the outer threads 420 are installed on the outer surface of the fourth circular tube 410, the outer surface of the third sealing ring 430 is connected with the inner surface of the fourth circular tube 410, one end of the fourth circular tube 410 is connected with the surface of one side inside the connecting tube 440, the locking device 500 comprises a locking block 510, a locking rod 520 and a vertical rod 530, one end of the locking rod 520 on the upper surface of the locking block 510 is connected, the outer surface of the connecting tube 440 is provided with a mounting hole, the locking rod 520 is connected with the mounting hole, and the lower surface of the vertical rod 530 is connected with the outer surface of the connecting tube 440.

Further, the joint body 100 further includes risers 140 and pressure strips 150, a surface of one side of each of the two risers 140 is connected to an outer surface of the second tube 130, one end of each of the two pressure strips 150 is connected to a surface of the other side of each of the two risers 140, and the pressure strips 150 can fix the position of the second tube 130.

Further, the pressing device 200 further comprises a first spring 250 and a pressing plate 260, one end of each of the two fixing plates 240 is provided with a circular hole, the two pressing rods 230 respectively penetrate through the two circular holes to be connected with one end of the two pressing plates 260, the two first springs 250 are of a spiral structure, the two first springs 250 are respectively installed on the outer surfaces of the two pressing rods 230, the pressing plates 150 can be pressed by the pressing rods 230, and the second circular tube 130 can be drawn out of the hexagonal body 210.

Further, the nut 300 further comprises a clamping ring 340, the outer surface of the clamping ring 340 is connected with the inner surface of the third round pipe 310, and the clamping ring 340 and the third sealing ring 430 cooperate to ensure the sealing effect.

Further, the sealing device 400 further comprises a sealing tube 450, the outer surface of the sealing tube 450 is connected with the inner surface of the connecting tube 440, and the inner surface of the sealing tube 450 is in fit sealing with the outer surface of the limiting tube 320.

Further, the locking device 500 further includes a second spring 540 and a pull rod 550, the vertical rod 530 is provided with an embedded hole, one end of the locking rod 520 penetrates through the embedded hole to be connected with the outer surface of the pull rod 550, the second spring 540 is of a spiral structure, the second spring 540 is mounted on the outer surface of the locking rod 520, and the locking block 510 enables the limiting tube 320 to be fixed in the sealing tube 450.

Referring to fig. 1-5, according to the ferrule type quick release joint of the present invention, a pipe is inserted from the inside of a first circular tube 110, a pressing plate 150 is a ramp, the second circular tube 130 is inserted into a hexagonal body 210, the pressing plate 150 provides an outward tension to fix the position of the second circular tube 130, a third circular tube 310 is rotated, an internal thread 330 and an external thread 420 are engaged with each other, a ferrule 340 starts to press a third sealing ring 430, a limiting tube 320 enters a sealing tube 450, a locking block 510 is placed down to fix the position of the third circular tube 310, the entire ferrule type joint is completely installed, a pull rod 550 is pulled outward, the locking block 510 leaves the position, the third circular tube 310 is rotated, the ferrule 340 stops pressing the third sealing ring 430, the third circular tube 310 leaves the position, the pressing plate 260 is pressed down, the pressing rod 230 applies a downward force to the pressing plate 150, the pressing plate 150 is not attached to the inner surface of the hexagonal body 210, the second circular tube 130 leaves the hexagonal body 210, the connector is disassembled, the whole disassembling and assembling process is simple, convenient and quick, and the sealing effect is excellent.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the utility model, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a cutting ferrule formula quick assembly disassembly connects, includes joint body (100), closing device (200), nut (300), sealing device (400) and locking device (500), its characterized in that:

the joint body (100) comprises a first circular tube (110), a first sealing ring (120) and a second circular tube (130), one end of the first circular tube (110) is connected with one end of the second circular tube (130), the inner surface of the first sealing ring (120) is connected with the outer surface of the second circular tube (130), and one end of the first sealing ring (120) is connected with one end of the first circular tube (110);

the pressing device (200) comprises a hexagonal body (210), a second sealing ring (220), lower pressing rods (230) and fixing plates (240), two through holes are formed in the outer surface of the hexagonal body (210), the two lower pressing rods (230) are connected with the two through holes respectively, one ends of the two fixing plates (240) are connected with the outer surface of the hexagonal body (210), and the outer surface of the second sealing ring (220) is connected with the inner surface of the hexagonal body (210);

the nut (300) comprises a third circular tube (310), a limiting tube (320) and an internal thread (330), the outer surface of the third circular tube (310) is welded with the inner surface of the limiting tube (320), the internal thread (330) is installed on the inner surface of the third circular tube (310), and one end of the third circular tube (310) is connected with one end of the hexagonal body (210);

sealing device (400) includes fourth pipe (410), external screw thread (420), third sealing washer (430) and connecting pipe (440), external screw thread (420) installation and fourth pipe (410) surface, third sealing washer (430) surface and fourth pipe (410) internal surface connection, fourth pipe (410) one end and the inside side surface of connecting pipe (440) are connected, locking device (500) include locking block (510), locking lever (520) and montant (530), a locking lever (520) one end is connected on locking block (510) upper surface, locking lever (520) are connected with the mounting hole, montant (530) lower surface and connecting pipe (440) surface connection.

2. The ferrule type quick disconnect coupling of claim 1, wherein: the joint body (100) further comprises a vertical plate (140) and a pressing plate (150), wherein one side surface of the vertical plate (140) is connected with the outer surface of the second circular tube (130), and one end of the pressing plate (150) is connected with the other side surfaces of the two vertical plates (140) respectively.

3. The ferrule type quick disconnect coupling of claim 1, wherein: the pressing device (200) further comprises first springs (250) and pressing plates (260), round holes are formed in one ends of the two fixing plates (240), the two lower pressing rods (230) penetrate through the two round holes to be connected with one ends of the two pressing plates (260), the two first springs (250) are of spiral structures, and the two first springs (250) are installed on the outer surfaces of the two lower pressing rods (230) respectively.

4. A ferrule type quick disconnect coupling according to any one of claims 1-3, wherein: the nut (300) further comprises a clamping ring (340), and the outer surface of the clamping ring (340) is connected with the inner surface of the third round pipe (310).

5. A ferrule type quick disconnect coupling according to any one of claims 1-3, wherein: the sealing device (400) further comprises a sealing tube (450), wherein the outer surface of the sealing tube (450) is connected with the inner surface of the connecting tube (440).

6. A ferrule type quick disconnect coupling according to any one of claims 1-3, wherein: the locking device (500) further comprises a second spring (540) and a pull rod (550), the vertical rod (530) is provided with an embedding hole, one end of the locking rod (520) penetrates through the embedding hole to be connected with the outer surface of the pull rod (550), the second spring (540) is of a spiral structure, and the second spring (540) is installed on the outer surface of the locking rod (520).