CN218063848U

CN218063848U - Rubber corrugated pipe with transition-stretching-prevention structure

Info

Publication number: CN218063848U
Application number: CN202222343254.6U
Authority: CN
Inventors: 罗晓燕
Original assignee: Nantong Yangzi Rubber & Plastic Co ltd
Current assignee: Nantong Yangzi Rubber & Plastic Co ltd
Priority date: 2022-09-03
Filing date: 2022-09-03
Publication date: 2022-12-16
Anticipated expiration: 2032-09-03

Abstract

The utility model relates to a bellows technical field specifically is a rubber bellows with prevent transition tensile structure, including the seal cover, the rubber tube is installed to one side of seal cover, the rubber tube includes rubber tube body, PVC wear-resistant coating and glue cover, PVC wear-resistant coating has been paintd in the outside of rubber tube body, the glue cover is installed at the both ends of rubber tube body, PVC wear-resistant coating's the outside is provided with the backup pad, be connected with the reinforcing rope between the backup pad. Compared with the prior art, the utility model when rubber bellows's junction begins to leak gas, gas can enter into the inside of seal cover, promotes the movable plate from the bleeder vent and removes, and the movable plate will promote the lifter rebound like this, and through observing the quantity of the warning ring that spills, whether the inside rubber bellows of this department seal cover leaks gas just can be understood to make things convenient for the staff to carry out quick maintenance, avoid producing great equipment damage and economic loss.

Description

Rubber corrugated pipe with transition-stretching-prevention structure

Technical Field

The utility model relates to a bellows technical field specifically is a rubber bellows with prevent transition tensile structure.

Background

The corrugated pipe is a tubular elastic sensitive element formed by connecting foldable corrugated sheets along a folding and stretching direction, is generally made of metal, plastic, rubber and the like, is widely applied to various fields of aerospace, petrifaction, motion couplings, chemical industry and automobile industry, has elasticity, can generate displacement under the action of pressure, axial force, transverse force or bending moment, and has the functions of rotating and protecting rotating parts of products such as automobile machinery and electrical appliances.

The existing corrugated pipe is difficult to avoid the situation of sealing damage and air leakage after being used for a long time, if the damaged part cannot be found in time and accurately positioned for maintenance, larger equipment damage and economic loss are easy to generate, and therefore the rubber corrugated pipe with the anti-transition stretching structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rubber bellows with prevent transition tensile structure to propose in solving above-mentioned background art because current bellows, sealed damage gas leakage's the condition appears in the difficult emergence after long-time the use, if can not in time discover and the impaired part of accurate positioning overhauls, then produce great equipment damage and economic loss's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber bellows with an anti-overstretch structure comprising:

the rubber pipe comprises a rubber pipe body, a PVC wear-resistant coating and a glue sleeve, wherein the PVC wear-resistant coating is coated on the outer side of the rubber pipe body, the glue sleeves are arranged at two ends of the rubber pipe body, supporting plates are arranged on the outer side of the PVC wear-resistant coating, reinforcing ropes are connected between the supporting plates, and reinforcing ribs are arranged at two ends of the rubber pipe;

the movable plate is installed in the sealing sleeves, the limiting rod is installed at the bottom of the movable plate, the air holes are formed in one side of the limiting rod, the sealing ring is sleeved on the outer side of the movable plate, the lifting rod is installed at the top of the movable plate, the warning ring is arranged on the surface of the lifting rod, and the connecting springs are connected between the movable plate and the sealing sleeves.

Preferably, the sealing sleeve is further provided with:

the clamping spring is installed on the inner surface of the sealing sleeve, the other end of the clamping spring is connected with the sealing plate, the two ends of the sealing sleeve are provided with limiting rings, a connecting rotating shaft is installed on one side of the outer surface of the sealing sleeve, a first sealing pad is arranged on one side of the connecting rotating shaft, a connecting plate is arranged on the other side of the outer surface of the sealing sleeve, and a second sealing pad is arranged on the inner side of the connecting plate.

Preferably, one side of the sealing sleeves, which is close to the connecting rotating shaft, is in rotating connection, and one side of the sealing sleeves, which is close to the connecting plate, is in threaded connection.

Preferably, be adhesive connection between No. one sealed pad and the seal cover, and be adhesive connection between No. two sealed pads and the connecting plate.

Preferably, the length of the reinforcing rope is greater than that of the rubber tube, and the length of the reinforcing rope is less than the limit elastic deformation length of the rubber tube.

Preferably, the lifting rod is fixedly connected with the moving plate, and the lifting rod penetrates through the outer wall of the sealing sleeve.

Preferably, the moving plate forms a sealing structure through the sealing ring and the sealing sleeve, and the air holes penetrate through the inner wall of the sealing sleeve.

Compared with the prior art, the utility model provides a rubber bellows with prevent tensile structure that passes through possesses following beneficial effect: this rubber bellows with prevent transition tensile structure, when rubber bellows's junction begins to leak gas, gaseous inside that can enter into the seal cover to promote the movable plate from the bleeder vent and remove, the movable plate will promote the lifting bar rebound like this, through observing the quantity of the warning ring that spills, just can understand whether the inside rubber bellows of this department seal cover leaks gas, thereby makes things convenient for the staff to carry out quick maintenance, avoids producing great equipment damage and economic loss.

1. The connecting rotating shaft arranged in the utility model can close the sealing sleeves together by utilizing the connecting rotating shaft, then the sealing sleeves can not loosen by utilizing the bolt to connect the connecting plate, and the first sealing gasket and the second sealing gasket can improve the air tightness of the inner parts of the sealing sleeves;

2. the rubber water jacket arranged in the utility model can place one end of two sections of rubber corrugated pipes together inside the sealing sleeve, and then the protective film on the surface of the rubber water jacket is torn off, so that the rubber water inside the rubber water jacket can be used for connecting the two sections of rubber corrugated pipes, and the sealing performance is improved;

3. the utility model discloses the reinforcing rope that sets up can restrict rubber bellows's tensile length through the reinforcing rope to ensure that rubber bellows can not be by excessive tensile, the rubber tube outside is provided with the strengthening rib and can prevents that rubber bellows transition district from being extruded tensile destruction, with this safe in utilization of protection rubber bellows.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the internal structure of the sealing sleeve of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic view of the rubber tube structure of the present invention;

fig. 5 is an enlarged schematic view of the structure at B in fig. 1 according to the present invention.

In the figure: 1. sealing sleeves; 2. a support plate; 3. a rubber tube; 301. a rubber tube body; 302. PVC wear-resistant coating; 303. a glue sleeve; 4. a reinforcing cord; 5. a limiting ring; 6. a clamping spring; 7. sealing plates; 8. a lifting bar; 9. a warning ring; 10. a connecting spring; 11. a seal ring; 12. moving the plate; 13. air holes are formed; 14. a limiting rod; 15. connecting the rotating shaft; 16. a first sealing gasket; 17. a connecting plate; 18. a second sealing gasket; 19. and (5) reinforcing ribs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 work belong to the protection scope of the present invention.

As shown in fig. 1 to 4, a rubber bellows having an anti-overstretch structure includes: the rubber pipe comprises a sealing sleeve 1, wherein a rubber pipe 3 is arranged on one side of the sealing sleeve 1, the rubber pipe 3 comprises a rubber pipe body 301, a PVC wear-resistant coating 302 and a glue sleeve 303, the PVC wear-resistant coating 302 is coated on the outer side of the rubber pipe body 301, the glue sleeves 303 are arranged at two ends of the rubber pipe body 301, a supporting plate 2 is arranged on the outer side of the PVC wear-resistant coating 302, one ends of two sections of rubber corrugated pipes can be placed in the sealing sleeve 1 together, and then a protective film on the surface of the glue sleeve 303 is torn off, so that the glue in the two sections of rubber corrugated pipes can be used for connecting the two sections of rubber corrugated pipes, and the sealing property is improved; the rubber corrugated pipe is characterized in that a reinforcing rope 4 is connected between the supporting plates 2, reinforcing ribs 19 are installed at two ends of the rubber pipe 3, the length of the reinforcing rope 4 is larger than that of the rubber pipe 3, the length of the reinforcing rope 4 is smaller than the limit elastic deformation length of the rubber pipe 3, the tensile length of the rubber corrugated pipe can be limited through the reinforcing rope 4, so that the rubber corrugated pipe is prevented from being excessively stretched, and the reinforcing ribs 19 are arranged on the outer side of the rubber pipe 3, so that the transition area of the rubber corrugated pipe can be prevented from being damaged by extrusion and stretching, and the use safety of the rubber corrugated pipe is protected; the movable plate 12 is installed inside the sealing sleeve 1, the bottom of the movable plate 12 is provided with a limiting rod 14, one side of the limiting rod 14 is provided with an air hole 13, the outer side of the movable plate 12 is sleeved with a sealing ring 11, the top of the movable plate 12 is provided with a lifting rod 8, the movable plate 12 forms a sealing structure with the sealing sleeve 1 through the sealing ring 11, and the air hole 13 penetrates through the inner wall of the sealing sleeve 1; the surface of lifting bar 8 is provided with warning ring 9, be connected with connecting spring 10 between movable plate 12 and the seal cover 1, be fixed connection between lifting bar 8 and the movable plate 12, and lifting bar 8 runs through in the outer wall of seal cover 1, when rubber bellows's junction begins to leak gas, gas can enter into the inside of seal cover 1, thereby promote movable plate 12 from bleeder vent 13 and remove, so movable plate 12 will promote lifting bar 8 rebound, through observing the quantity of the warning ring 9 that spills, just can understand whether the inside rubber bellows of this department seal cover 1 leaks gas, thereby make things convenient for the staff to carry out quick maintenance, avoid producing great equipment damage and economic loss.

As shown in fig. 2 to 5, a rubber bellows having an anti-overstretch structure includes: the clamping spring 6 is arranged on the inner surface of the sealing sleeve 1, the other end of the clamping spring 6 is connected with the sealing plate 7, the two ends of the sealing sleeve 1 are provided with the limiting rings 5, one side of the outer surface of the sealing sleeve 1 is provided with the connecting rotating shaft 15, one side of the connecting rotating shaft 15 is provided with the first sealing gasket 16, the other side of the outer surface of the sealing sleeve 1 is provided with the connecting plate 17, the first sealing gasket 16 is in adhesive connection with the sealing sleeve 1, and the second sealing gasket 18 is in adhesive connection with the connecting plate 17; the inside of connecting plate 17 is provided with No. two sealed 18, and the one side that is close to between the seal cover 1 and connects the pivot 15 is for rotating the connection, and the one side that is close to between the seal cover 1 is threaded connection, utilizes to connect the pivot 15 and can let seal cover 1 be closed together, later utilizes bolted connection connecting plate 17, lets seal cover 1 not become flexible, and the gas tightness of the inside of seal cover 1 can be promoted to No. one sealed 16 of packing and No. two sealed 18 of packing.

The working principle is as follows: when the rubber corrugated pipe with the transition tension preventing structure is used, firstly, one ends of two sections of rubber pipes 3 are placed on the inner side of a sealing sleeve 1 together, then a protective film on the surface of a glue water jacket 303 is torn off, so that the two sections of rubber pipes 3 can be connected by using glue in the rubber corrugated pipe, the sealing sleeve 1 can be closed together by using a connecting rotating shaft 15, and then the connecting plate 17 is connected by using a bolt, so that the sealing sleeve 1 cannot be loosened; then, the first sealing gasket 16 and the second sealing gasket 18 can improve the air tightness of the interior of the sealing sleeve 1, the clamping spring 6 pushes the sealing plate 7 to approach each other, so that the air tightness of the interior of the sealing sleeve 1 is improved, the limiting ring 5 can be buckled in a concave part of the rubber corrugated pipe, and the sealing sleeve 1 is prevented from falling off by utilizing a bulge on the surface of the rubber corrugated pipe; then, when the connection part of the rubber corrugated pipe starts to leak gas, the gas can push the moving plate 12 to move from the air holes 13, so that the moving plate 12 can push the lifting rod 8 to move upwards, whether the rubber corrugated pipe in the sealing sleeve 1 leaks gas can be known by observing the number of leaked warning rings 9, the sealing ring 11 can prevent the gas from leaking, the pressure difference is kept between the two sides of the moving plate 12, the limiting rod 14 can limit the moving track of the moving plate 12, and the connecting spring 10 can connect the moving plate 12 in the sealing sleeve 1; finally, PVC wear-resistant coating 302 has effectively increased the abrasion resistance of rubber tube body 301, makes it be difficult for breaking, the extension length of rubber bellows can be restricted to the reinforcing rope 4 of backup pad 2 both sides, if reinforcing rope 4 is broken can show that restriction rubber bellows deformation length has exceeded the allowed band, thereby ensure that rubber bellows can not by excessive tensile, the rubber tube 3 outside is provided with strengthening rib 19 can prevent that rubber bellows transition zone from being extruded tensile destruction, with this safe in utilization that protects rubber bellows.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A rubber bellows with an anti-overstretch structure, comprising:

the rubber tube sealing structure comprises a sealing sleeve (1), wherein a rubber tube (3) is installed on one side of the sealing sleeve (1), the rubber tube (3) comprises a rubber tube body (301), a PVC wear-resistant coating (302) and a glue water sleeve (303), the PVC wear-resistant coating (302) is coated on the outer side of the rubber tube body (301), the glue water sleeves (303) are installed at two ends of the rubber tube body (301), supporting plates (2) are arranged on the outer side of the PVC wear-resistant coating (302), reinforcing ropes (4) are connected between the supporting plates (2), and reinforcing ribs (19) are installed at two ends of the rubber tube (3);

the movable plate (12) is installed in the sealing sleeve (1), the limiting rod (14) is installed at the bottom of the movable plate (12), air holes (13) are formed in one side of the limiting rod (14), a sealing ring (11) is sleeved on the outer side of the movable plate (12), the lifting rod (8) is installed at the top of the movable plate (12), a warning ring (9) is arranged on the surface of the lifting rod (8), and a connecting spring (10) is connected between the movable plate (12) and the sealing sleeve (1).

2. A rubber bellows with an anti-overstretch structure as claimed in claim 1, characterized in that the sealing boot (1) is further provided with:

clamping spring (6), it is installed the internal surface of seal cover (1), the other end of clamping spring (6) is connected with closing plate (7), the both ends of seal cover (1) are provided with spacing ring (5), connection pivot (15) are installed to one side of seal cover (1) surface, one side of connecting pivot (15) is provided with sealed pad (16) No. one, the opposite side of seal cover (1) surface is provided with connecting plate (17), the inboard of connecting plate (17) is provided with sealed pad (18) No. two.

3. A rubber corrugated pipe with an anti-overstretch structure as claimed in claim 2, characterized in that the sealing sleeves (1) are rotatably connected at one side close to the connecting shaft (15), and the sealing sleeves (1) are in threaded connection at one side close to the connecting plate (17).

4. A rubber bellows with an anti-overstretch structure as claimed in claim 2, characterized in that the first sealing gasket (16) is adhesively connected to the sealing sleeve (1), and the second sealing gasket (18) is adhesively connected to the connecting plate (17).

5. A rubber bellows with an excessive tensile structure according to claim 1, wherein the length of the reinforcing cord (4) is greater than the length of the rubber tube (3), and the length of the reinforcing cord (4) is less than the ultimate elastic deformation length of the rubber tube (3).

6. The rubber corrugated pipe with the excessive stretching preventing structure is characterized in that the lifting rod (8) is fixedly connected with the moving plate (12), and the lifting rod (8) penetrates through the outer wall of the sealing sleeve (1).

7. The rubber corrugated pipe with the transition tension preventing structure as claimed in claim 1, wherein the moving plate (12) forms a sealing structure with the sealing sleeve (1) through the sealing ring (11), and the ventilation hole (13) penetrates through the inner wall of the sealing sleeve (1).