CN212657397U

CN212657397U - High-sealing-performance PVC corrugated pipe connecting equipment

Info

Publication number: CN212657397U
Application number: CN202021443847.4U
Authority: CN
Inventors: 高义金
Original assignee: Qingdao Xinwantong Plastic Industry Development Co ltd
Current assignee: Qingdao Xinwantong Plastic Industry Development Co ltd
Priority date: 2020-07-21
Filing date: 2020-07-21
Publication date: 2021-03-05
Anticipated expiration: 2030-07-21

Abstract

The utility model discloses a high closure PVC bellows jointing equipment, including connecting pipe and two bellows, two the equal fixedly connected with lantern ring of the relative one end of bellows, the lantern ring is connected with the installation pipe through fixed establishment, the connecting pipe is connected with the rotating tube through rotary mechanism, the rotating tube is connected with slewing mechanism, the rotating tube passes through stop gear and installation union coupling, fixed establishment is including fixed U template, the opening has been seted up to U template bottom, the lantern ring is located the opening, the screw thread mouth that two symmetries set up is seted up to U template lateral wall. The utility model discloses a cooperation of connecting pipe, the lantern ring, U template, fastening bolt, installation pipe, rotating tube, swivel becket, carousel, sawtooth and operation mouth is used, has realized the stable connection of two bellows, has avoided simple connected mode among the prior art to probably lead to the bellows to appear connecting cracked phenomenon under the high-pressure condition, has improved the stability of connecting.

Description

High-sealing-performance PVC corrugated pipe connecting equipment

Technical Field

The utility model relates to a PVC bellows joint technical field especially relates to a high leakproofness PVC bellows jointing equipment.

Background

The corrugated pipe is a tubular elastic sensitive element which is formed by connecting foldable corrugated sheets along the folding and stretching direction. The corrugated pipe has wide application in instruments and meters, and is mainly used as a measuring element of a pressure measuring instrument to convert pressure into displacement or force. The corrugated pipe has thin pipe wall and high sensitivity, and the measurement range is from tens of Pa to tens of MPa. Its open end is fixed, its sealed end is in free state, and its elasticity is increased by using auxiliary helical spring or reed. When working, the pipe is extended along the length direction under the action of internal pressure, so that the movable end generates displacement in a certain relation with the pressure. The movable end drives the pointer to directly indicate the pressure. Bellows are often combined with displacement sensors to form pressure sensors that output an electrical quantity, sometimes also acting as isolation elements. The response speed of the bellows is slower than that of the bourdon tube because of the large volume change required for the expansion of the bellows. The bellows is adapted to measure low pressure.

The corrugated pipe is divided into a metal corrugated pipe and a nonmetal corrugated pipe according to materials. Wherein the bellows of PVC material often uses in each trade among the nonmetal bellows, the PVC bellows is when using, two independent PVC bellows need carry out the leak protection when the butt joint and connect, often adopt the sealing rubber ring among the current PVC bellows connected mode, bonding and flange are connected, require very high to the closure and the joint strength of junction in the great application of pressure, two cracked phenomena of bellows junction can appear in simple connection, consequently need a high closure PVC bellows jointing equipment to solve the problem urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems in the prior art and providing a high-sealing PVC corrugated pipe connecting device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a high closure PVC bellows jointing equipment, includes connecting pipe and two bellows, two the equal fixedly connected with lantern ring of the relative one end of bellows, the lantern ring is connected with the installation pipe through fixed establishment, the connecting pipe is connected with the rotating tube through rotary mechanism, the rotating tube is connected with slewing mechanism, the rotating tube passes through stop gear and installation union coupling.

Preferably, fixing mechanism is including fixed U template, the opening has been seted up to U template bottom, the lantern ring is located the opening, two symmetrical screw thread mouths that set up are seted up to U template lateral wall, two equal threaded connection of screw thread mouth inside wall has fastening bolt.

Preferably, the rotating mechanism comprises two annular grooves formed in the inner side wall of the connecting pipe, the outer side wall of the rotating pipe is fixedly connected with two symmetrically arranged rotating rings, and the inner side wall of each annular groove is rotatably connected with the outer side wall of each rotating ring.

Preferably, the limiting mechanism comprises a limiting groove formed in the inner side wall of the rotating pipe, a limiting plate is connected to the inner side wall of the limiting groove in a sliding mode, a communicating port is formed in the limiting plate, and the outer side wall of the limiting plate is fixedly connected with the end portion of the mounting pipe.

Preferably, the outer side wall of the installation pipe is provided with an external thread, the inner side walls at the two ends of the rotating pipe are provided with internal threads matched with the external thread, and the inner side walls at the two ends of the rotating pipe are both in threaded connection with the outer side wall of the installation pipe.

Preferably, the fixed carousel that has cup jointed of rotating tube lateral wall, a plurality of sawtooth that are the annular setting of carousel lateral wall fixedly connected with, be equipped with the operation mouth with sawtooth looks adaptation on the connecting pipe.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses a cooperation of connecting pipe, the lantern ring, U template, fastening bolt, installation pipe, rotating tube, swivel becket, carousel, sawtooth and operation mouth is used, has realized the stable connection of two bellows, has avoided simple connected mode among the prior art to probably lead to the bellows to appear connecting cracked phenomenon under the high-pressure condition, has improved the stability of connecting.

2. The utility model discloses a cooperation of external screw thread, internal thread, installation pipe, rotating tube, spacing groove and limiting plate is used, has realized spacing to the installation pipe.

Drawings

Fig. 1 is a schematic view of a front connection structure of a high-sealing PVC corrugated pipe connection device according to the present invention;

fig. 2 is a schematic view of a connection structure of a U-shaped plate in the high-sealing PVC bellows connection device provided by the present invention;

fig. 3 is a schematic view of a connection structure between a turntable and a sawtooth of a high-sealing PVC corrugated pipe connection device according to the present invention;

fig. 4 is the utility model provides a looping structure schematic diagram in high leakproofness PVC bellows jointing equipment.

In the figure: 1. a connecting pipe; 2. a bellows; 3. a collar; 4. a U-shaped plate; 5. fastening a bolt; 6. installing a pipe; 7. rotating the tube; 8. a rotating ring; 9. a limiting groove; 10. a limiting plate; 11. a turntable; 12. saw teeth; 13. an operation port; 14. an internal thread.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a high-sealing PVC corrugated pipe connection device comprises a connection pipe 1 and two corrugated pipes 2, wherein opposite ends of the two corrugated pipes 2 are fixedly connected with a lantern ring 3, the lantern ring 3 is connected with a mounting pipe 6 through a fixing mechanism, wherein the outer side wall of the mounting pipe 6 is fixedly sleeved with the inner side wall of the lantern ring 3, and the lantern ring 3 is fixed through a fastening bolt 5 so as to fix the mounting pipe 6 and the corrugated pipes 2;

the fixing mechanism comprises a fixed U-shaped plate 4, an opening is formed in the bottom of the U-shaped plate 4, the lantern ring 3 is located in the opening, two symmetrically-arranged threaded openings are formed in the side wall of the U-shaped plate 4, and fastening bolts 5 are in threaded connection with the inner side walls of the two threaded openings;

the connecting pipe 1 is connected with a rotating pipe 7 through a rotating mechanism, the rotating mechanism comprises two annular grooves formed in the inner side wall of the connecting pipe 1, the outer side wall of the rotating pipe 7 is fixedly connected with two symmetrically-arranged rotating rings 8, the inner side wall of each annular groove is rotatably connected with the outer side wall of each rotating ring 8, and the rotating pipe 7 is supported through the matching use of the annular grooves and the rotating rings 8, so that the rotating pipe 7 can rotate;

the rotating pipe 7 is connected with a rotating mechanism, the outer side wall of the rotating pipe 7 is fixedly sleeved with a rotating disc 11, the outer side wall of the rotating disc 11 is fixedly connected with a plurality of annular saw teeth 12, an operation port 13 matched with the saw teeth 12 is arranged on the connecting pipe 1, and the rotating disc 11 is driven to rotate through the saw teeth 12 so as to drive the rotating pipe 7 to rotate;

the rotating pipe 7 is connected with the mounting pipe 6 through a limiting mechanism, the limiting mechanism comprises a limiting groove 9 formed in the inner side wall of the rotating pipe 7, a limiting plate 10 is connected to the inner side wall of the limiting groove 9 in a sliding mode, and the mounting pipe 6 can only move horizontally through the matching use of the limiting plate 10 and the limiting groove 9, so that the connection stability is improved;

the limiting plate 10 is provided with a communicating port, the outer side wall of the limiting plate 10 is fixedly connected with the end part of the mounting pipe 6, the outer side wall of the mounting pipe 6 is provided with an external thread, the inner side walls at two ends of the rotating pipe 7 are provided with an internal thread 14 matched with the external thread, and the inner side walls at two ends of the rotating pipe 7 are both in threaded connection with the outer side wall of the mounting pipe 6.

The utility model discloses specific theory of operation as follows:

in an initial state, the lantern ring 3 is fixed through the fastening bolt 5, the U-shaped plate 4 is provided with an opening, the opening is communicated with the corrugated pipe 2, and the saw teeth 12 are scratched through the operation opening 13 by hand;

sawtooth 12 rotates and drives carousel 11 and rotates, it cup joints with rotating tube 7 is fixed through carousel 11, carousel 11 rotates and then drives rotating tube 7 and rotates, wherein 7 both ends inside walls of rotating tube and the 6 lateral wall threaded connection of installation pipe, it moves towards relative one side to rotate two installation pipes 6 of drive through rotating tube 7, wherein limiting plate 10 makes installation pipe 6 can only the horizontal direction remove with the sliding connection of spacing groove 9, be equipped with the intercommunication mouth on the limiting plate 10, two bellows 2 have been guaranteed to communicate, make two bellows 2 can stable connection, avoided among the prior art simple connected mode probably to lead to bellows 2 to appear connecting cracked phenomenon under the high-pressure condition, the stability of connection has been improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high closure PVC bellows jointing equipment, includes connecting pipe (1) and two bellows (2), its characterized in that, two the equal fixedly connected with lantern ring (3) of relative one end of bellows (2), the lantern ring (3) are connected with installation pipe (6) through fixed establishment, connecting pipe (1) is connected with rotating tube (7) through rotary mechanism, rotating tube (7) are connected with slewing mechanism, rotating tube (7) are connected with installation pipe (6) through stop gear.

2. The high-sealing PVC corrugated pipe connecting device as claimed in claim 1, wherein the fixing mechanism comprises a fixed U-shaped plate (4), an opening is formed at the bottom of the U-shaped plate (4), the sleeve ring (3) is located in the opening, two symmetrically arranged threaded openings are formed in the side wall of the U-shaped plate (4), and fastening bolts (5) are connected to the inner side walls of the two threaded openings in a threaded manner.

3. The high-sealing PVC corrugated pipe connecting device as claimed in claim 1, wherein the rotating mechanism comprises two annular grooves formed in the inner side wall of the connecting pipe (1), two symmetrically arranged rotating rings (8) are fixedly connected to the outer side wall of the rotating pipe (7), and the inner side wall of the annular groove is rotatably connected with the outer side wall of the rotating ring (8).

4. The high-sealing PVC corrugated pipe connecting device according to claim 1, wherein the limiting mechanism comprises a limiting groove (9) formed in the inner side wall of the rotating pipe (7), a limiting plate (10) is slidably connected to the inner side wall of the limiting groove (9), a communicating port is formed in the limiting plate (10), and the outer side wall of the limiting plate (10) is fixedly connected with the end portion of the mounting pipe (6).

5. The high-sealing PVC corrugated pipe connecting device as claimed in claim 1, wherein the outer side wall of the mounting pipe (6) is provided with an external thread, the inner side walls at two ends of the rotating pipe (7) are provided with internal threads (14) matched with the external thread, and the inner side walls at two ends of the rotating pipe (7) are both in threaded connection with the outer side wall of the mounting pipe (6).

6. The high-sealing PVC corrugated pipe connecting device as claimed in claim 1, wherein a rotating disc (11) is fixedly sleeved on the outer side wall of the rotating pipe (7), a plurality of annular saw teeth (12) are fixedly connected on the outer side wall of the rotating disc (11), and an operation port (13) matched with the saw teeth (12) is arranged on the connecting pipe (1).