CN216789571U

CN216789571U - Teflon encapsulated compensator capable of continuously preventing leakage

Info

Publication number: CN216789571U
Application number: CN202123163486.5U
Authority: CN
Inventors: 鲍松高; 鲍文铖
Original assignee: Jiangsu Weichuang Energy Equipment Co ltd
Current assignee: Jiangsu Weichuang Energy Equipment Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-06-21
Anticipated expiration: 2031-12-16

Abstract

The utility model provides a polytetrafluoroethylene encapsulated rubber compensator capable of continuously preventing leakage, which comprises a pipeline, wherein a fixed flange is fixedly connected to the side surface of the pipeline, fastening bolts are inserted into the side surface of the fixed flange, and a negative pressure mechanism is arranged inside the fixed flange. This sustainable tetrafluoro rubber coating compensator that prevents to reveal, when installation tetrafluoro compensator, aim at mounting flange's spliced eye with flange's screw hole, insert fastening bolt afterwards, constantly go up being connected between fastening mounting flange and the mounting flange through twisting the nut, when the fastening is finished, the space between inside main air duct of negative pressure mechanism and the vice air duct produces the negative pressure, under the effect of negative pressure, be connected between mounting flange and the mounting flange further strengthened, and then improve the leakproofness of being connected between tetrafluoro compensator and the pipeline, reached the leakproofness of being connected between improvement tetrafluoro compensator and the pipeline, avoid causing the purpose that pipeline inside transmission liquid leaks outward.

Description

Teflon encapsulated compensator capable of continuously preventing leakage

Technical Field

The utility model relates to the technical field of compensators, in particular to a polytetrafluoroethylene encapsulated compensator capable of continuously preventing leakage.

Background

The compensator is also called expansion joint or expansion joint, and is composed of bellows and end pipe, support, flange, conduit and other accessories, which form the working main body, and belongs to a compensation element.

The tetrafluoro compensator is as one kind of compensator, through flange and tube coupling, and the current mode of connecting through bolt-up can lead to the sealed poor of being connected between tetrafluoro compensator and the pipeline, easily causes the inside transmission liquid of pipeline to leak outward, causes the incident.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems that the leakage of transmission liquid in a pipeline is easy to cause and safety accidents are caused due to poor sealing of the connection between the tetrafluoro compensator and the pipeline, the sealing performance of the connection between the tetrafluoro compensator and the pipeline is improved, and the leakage of the transmission liquid in the pipeline is avoided, the utility model is realized by the following technical scheme: a polytetrafluoroethylene rubber coating compensator capable of continuously preventing leakage comprises a pipeline, wherein a fixed flange is fixedly connected to the side surface of the pipeline, a fastening bolt is inserted into the side surface of the fixed flange, a nut is fixedly connected to one side, close to the pipeline, of the fastening bolt, a connecting flange is connected to the side surface of the fastening bolt in a meshed mode, a corrugated pipe is arranged on the other side of the connecting flange, a negative pressure mechanism is arranged inside the fixed flange and comprises a bearing plate located on the side surface of the fixed flange, a driving toothed bar is fixedly connected to one side, away from the nut, of the bearing plate, a steering gear is connected to the side surface of the driving toothed bar in a meshed mode, a driven toothed bar is connected to the other side of the steering gear in a meshed mode, a main air extracting plate is fixedly connected to one side, away from the bearing plate, of the driven toothed bar, a main air extracting plate is connected to the side surface in a sliding mode, the other side of the main air exhaust plate is rotatably connected with a pull rod, the other side of the pull rod is rotatably connected with a steering wheel, the surface of the steering wheel is rotatably connected with a push rod, the other side of the push rod is rotatably connected with an auxiliary air exhaust plate, an auxiliary air groove is formed in the side face of the auxiliary air exhaust plate, a closed air cylinder is fixedly connected to the side face of the fixing flange, a ratchet rod is fixedly connected to the other side of the auxiliary air exhaust plate, a limiting toothed rod is arranged on the side face of the ratchet rod, and a stabilizing mechanism is arranged on the side face of the connecting flange.

Furthermore, the ratchet rod is in one-way clamping connection with the limiting toothed rod, the clamping direction is opposite to the initial movement direction, and the main air exhaust plate and the auxiliary air exhaust plate are prevented from resetting after moving.

Furthermore, the steering wheel is arranged between the main air exhaust plate and the auxiliary air exhaust plate through a support plate, so that the main air exhaust plate and the auxiliary air exhaust plate can be moved synchronously.

Furthermore, the connecting flange is close to one side of the fixing flange and is provided with a circular accommodating groove at a position equal to the height of the sealed inflator, and the space between the main air groove and the auxiliary air groove is sealed when the fixing flange is in contact with the connecting flange.

Furthermore, stabilizing mean is including rotating the trace of connection in the left side flange side, the side fixedly connected with supporting shoe of trace, the side sliding connection of supporting shoe has the groove piece, the opposite side rotation of trace is connected with stabilizing screw.

Furthermore, the inside of the groove block is provided with partial teeth, and the stabilizing screw rod can be meshed with the teeth to buffer and stabilize when the compensator is excessively twisted.

The utility model provides a tetrafluoro encapsulated compensator capable of continuously preventing leakage. The method has the following beneficial effects:

1. this sustainable tetrafluoro rubber coating compensator that prevents to reveal, when installing the tetrafluoro compensator, aim at mounting flange's spliced eye with flange's screw hole, insert fastening bolt afterwards, constantly go up the connection between fastening mounting flange and the mounting flange through twisting the nut, when the fastening is over, the space between inside main air duct of negative pressure mechanism and the vice air duct produces the negative pressure, under the effect of negative pressure, the connection between mounting flange and the mounting flange is further strengthened, and then improve the leakproofness of being connected between tetrafluoro compensator and the pipeline, the leakproofness of being connected between improvement tetrafluoro compensator and the pipeline has been reached, avoid causing the outside mesh of leaking of the inside transmission liquid of pipeline.

2. This sustainable tetrafluoro rubber coating compensator that prevents to reveal, because the effect of negative pressure, flange and the unable displacement buffering that produces of pipeline, lead to when bellows deformation degree is great, the deformation speed increase of compensator, reduce the stability of compensator, the event is provided with stabilizing mean, when bellows deformation is excessive, left flange can drive the trace and remove, supporting shoe through the side is linear motion in the recess of groove block, the stabilizing screw rod of trace one side can produce the meshing with the tooth in the recess, and then cushion the deformation of bellows, consequently, the stability of compensator has been improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the entire structure of the present invention;

FIG. 2 is an enlarged view of the structure of the present invention and a fastening bolt connection mechanism;

FIG. 3 is a schematic sectional view of the negative pressure mechanism of the present invention;

FIG. 4 is an enlarged schematic view of part A of FIG. 3 according to the present invention;

FIG. 5 is an enlarged view of portion B of FIG. 3 according to the present invention;

FIG. 6 is an enlarged view of portion C of FIG. 1 according to the present invention.

In the figure: 1. a pipeline; 2. a connecting flange; 3. a bellows; 4. fixing the flange; 5. fastening a bolt; 6. a nut; 7. a negative pressure mechanism; 701. a bearing plate; 702. a driving rack bar; 703. a steering gear; 704. a driven rack bar; 705. a main air extraction plate; 706. a pull rod; 707. a steering wheel; 708. a push rod; 709. an auxiliary extraction plate; 710. an auxiliary gas tank; 711. a main gas tank; 712. sealing the air cylinder; 713. a ratchet rod; 714. a limit toothed bar; 8. a stabilizing mechanism; 801. a linkage rod; 802. a support block; 803. stabilizing the screw rod; 804. a groove block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples of such a tetrafluoro-encapsulated compensator that is sustainable against leakage are as follows:

example (b):

referring to fig. 1-6, a polytetrafluoroethylene encapsulated compensator capable of continuously preventing leakage comprises a pipeline 1, a fixed flange 4 is fixedly connected to the side surface of the pipeline 1, a fastening bolt 5 is inserted into the side surface of the fixed flange 4, a nut 6 is fixedly connected to one side of the fastening bolt 5 close to the pipeline 1, a connecting flange 2 is connected to the side surface of the fastening bolt 5 in a meshed manner, a circular accommodating groove is formed in one side of the connecting flange 2 close to the fixed flange 4 and at the same height as a closed air cylinder 712, when the fixed flange 4 is in contact with the connecting flange 2, the space between a main air groove 711 and an auxiliary air groove 710 is closed, a corrugated pipe 3 is arranged on the other side of the connecting flange 2, a negative pressure mechanism 7 is arranged inside the fixed flange 4, and the negative pressure mechanism 7 comprises a supporting plate 701 positioned on the side surface of the fixed flange 4.

A driving toothed bar 702 is fixedly connected to one side, away from the nut 6, of the bearing plate 701, a steering gear 703 is connected to the side face of the driving toothed bar 702 in a meshed manner, a driven toothed bar 704 is connected to the other side of the steering gear 703 in a meshed manner, a main air pumping plate 705 is fixedly connected to one side, away from the bearing plate 701, of the driven toothed bar 704, a main air groove 711 is slidably connected to the side face of the main air pumping plate 705, a pull rod 706 is rotatably connected to the other side of the main air pumping plate 705, a steering wheel 707 is rotatably connected to the other side of the pull rod 706, the steering wheel 707 is arranged between the main air pumping plate 705 and the auxiliary air pumping plate 709 through a supporting plate, so that the main air pumping plate 705 and the auxiliary air pumping plate 709 can be synchronously moved, a push rod 708 is rotatably connected to the surface of the steering wheel 707, an auxiliary air pumping plate 709 is rotatably connected to the other side of the push rod 708, and an auxiliary air groove 710 is arranged on the side face of the auxiliary air pumping plate 709.

The side of the fixed flange 4 is fixedly connected with a closed air cylinder 712, the other side of the auxiliary air pumping plate 709 is fixedly connected with a ratchet rod 713, the ratchet rod 713 is in one-way clamping connection with a limiting toothed rod 714, the clamping direction is opposite to the initial movement direction, the main air pumping plate 705 and the auxiliary air pumping plate 709 are prevented from being reset after movement, the side of the ratchet rod 713 is provided with the limiting toothed rod 714, the side of the connecting flange 2 comprises a stabilizing mechanism 8, the stabilizing mechanism 8 comprises a linkage rod 801 rotatably connected to the side of the connecting flange 2 on the left side, the side of the linkage rod 801 is fixedly connected with a supporting block 802, the side of the supporting block 802 is slidably connected with a groove block 804, part of teeth are arranged inside a groove of the groove block 804, when the compensator is excessively twisted, the stabilizing screw 803 can be meshed with the teeth for buffering and stabilizing, and the other side of the linkage rod 801 is rotatably connected with the stabilizing screw 803.

When the tetrafluoro compensator is installed, the threaded hole of the connecting flange 2 is aligned with the plug hole of the fixing flange 4, then the fastening bolt 5 is inserted, and the fastening between the fixing flange 4 and the connecting flange 2 is continuously tightened by turning the nut 6, in this process, the closed air cylinder 712 on one side of the fixing flange 4 is inserted into the circular receiving groove formed on one side of the connecting flange 2 close to the fixing flange 4 and at the same height as the closed air cylinder 712, so that a closed space is formed between the main air groove 711 and the auxiliary air groove 710, and the nut 6 continuously presses the receiving plate 701, so that the receiving plate 701 drives the driving toothed bar 702 to move, the driving toothed bar 702 drives the driven toothed bar 704 engaged with the driving toothed bar 702 through the steering gear 703, the driven toothed bar 704 pulls the main air pumping plate 705 on the other side to move inside the main air groove 711, and the main air pumping plate 705 also drives the pull rod 706 to move.

Because the other side of the pull rod 706 is rotatably connected to the surface of the steering wheel 707, the steering wheel 707 rotates to drive the auxiliary air pumping plate 709 to move through the push rod 708, the auxiliary air pumping plate 709 moves inside the auxiliary air groove 710, and the resetting is avoided through the clamping between the ratchet rod 713 and the limiting toothed rod 714, so that a negative pressure is generated in the space between the main air groove 711 and the auxiliary air groove 710, the connection between the fixing flange 4 and the connecting flange 2 is further strengthened under the action of the negative pressure, the sealing performance of the connection between the tetrafluoro compensator and the pipeline 1 is further improved, the sealing performance of the connection between the tetrafluoro compensator and the pipeline 1 is improved, and the purpose of avoiding the leakage of the transmission liquid inside the pipeline 1 is avoided.

Because the effect of negative pressure, flange 2 and pipeline 1 can't produce the displacement buffering, lead to when 3 deformation degrees of bellows are great, the deformation speed increase of compensator, reduce the stability of compensator, so be provided with stabilizing mean 8, when 3 deformation of bellows are excessive, left flange 2 can drive trace 801 and remove, supporting shoe 802 through the side is linear motion in the recess of groove block 804, the stabilizing screw 803 of trace 801 one side can produce the meshing with the tooth in the recess, and then cushion the deformation of bellows 3, consequently, the stability of compensator has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sustainable tetrafluoro rubber coating compensator that prevents to reveal, includes pipeline (1), its characterized in that: the pipeline comprises a pipeline (1), and is characterized in that a fixed flange (4) is fixedly connected to the side surface of the pipeline (1), a fastening bolt (5) is inserted into the side surface of the fixed flange (4), a nut (6) is fixedly connected to one side of the fastening bolt (5) close to the pipeline (1), a connecting flange (2) is engaged and connected to the side surface of the fastening bolt (5), a corrugated pipe (3) is arranged on the other side of the connecting flange (2), a negative pressure mechanism (7) is arranged in the fixed flange (4), the negative pressure mechanism (7) comprises a bearing plate (701) positioned on the side surface of the fixed flange (4), a driving toothed bar (702) is fixedly connected to one side of the bearing plate (701) far away from the nut (6), a steering gear (703) is engaged and connected to the side surface of the driving toothed bar (702), and a driven toothed bar (704) is engaged and connected to the other side of the steering gear (703), a main air extracting plate (705) is fixedly connected to one side of the driven toothed bar (704) far away from the bearing plate (701), the side surface of the main air pumping plate (705) is connected with a main air groove (711) in a sliding way, the other side of the main air pumping plate (705) is connected with a pull rod (706) in a rotating way, the other side of the pull rod (706) is rotationally connected with a steering wheel (707), the surface of the steering wheel (707) is rotationally connected with a push rod (708), the other side of the push rod (708) is rotatably connected with an auxiliary air exhaust plate (709), the side surface of the auxiliary air exhaust plate (709) is provided with an auxiliary air groove (710), the side surface of the fixed flange (4) is fixedly connected with a closed air cylinder (712), the other side of the auxiliary air exhaust plate (709) is fixedly connected with a ratchet rod (713), the side surface of the ratchet rod (713) is provided with a limiting toothed rod (714), and the side surface of the connecting flange (2) comprises a stabilizing mechanism (8).

2. The tetrafluoro-encapsulated compensator of claim 1, which is sustainable against leakage, characterized in that: the ratchet rod (713) is in one-way clamping connection with the limiting toothed rod (714), and the clamping connection direction is opposite to the initial movement direction.

3. The tetrafluoro-encapsulated compensator of claim 1, which is sustainable against leakage, characterized in that: the steering wheel (707) is disposed between the main suction plate (705) and the sub suction plate (709) by a support plate.

4. The tetrafluoro-encapsulated compensator capable of continuously preventing leakage according to claim 1, characterized in that: the connecting flange (2) is close to one side of the fixed flange (4) and is provided with a circular accommodating groove at the same height as the closed air cylinder (712).

5. The tetrafluoro-encapsulated compensator of claim 1, which is sustainable against leakage, characterized in that: stabilizing mean (8) are including rotating trace (801) of connecting on left side flange (2) side, the side fixedly connected with supporting shoe (802) of trace (801), the side sliding connection of supporting shoe (802) has groove block (804), the opposite side rotation of trace (801) is connected with stabilizing screw (803).

6. The tetrafluoro-encapsulated compensator capable of continuously preventing leakage according to claim 5, wherein: and partial teeth are arranged in the groove of the groove block (804).