A sealed bellows continuation device and continuation method

Abstract

The application discloses a sealed bellows joint device, which comprises sleeves (2) sleeved outside bellows (1), end portions of the sleeves (2) are matched with closed seats (3) of the bellows (1), and tightening structures (4) are arranged between the sleeves (2), wherein the tightening structures (4) comprise fixing plates (41) arranged outside the sleeves (2), and the fixing plates (41) are provided with tightening springs (42) arranged therebetween. The two sleeves (2) are sleeved outside the two bellows (1), and the closed seats (3) are fixed on the bellows (1), so that the tightening structures (4) are utilized to pull the bellows (1) at two ends close to each other, the two bellows (1) are connected together, and a sealing ring (8) can be additionally arranged between the bellows (1) at two ends, so that better sealing effect is achieved, the gap between the bellows (1) at two ends is reduced, and the situation of gap leakage is reduced.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of corrugated pipes, and particularly relates to a sealed corrugated pipe connecting device. BACKGROUND

[0002] A corrugated pipe is a kind of pipe material with a wavy surface. The corrugated pipe has the characteristics of foldable bending and telescoping, so that the corrugated pipe can be used in many occasions.

[0003] In a public specification with the patent number 202222896987.2 and the publication date of February 7, 2023, a rotating quick-connectable corrugated pipe connector is disclosed, which includes two corrugated pipe bodies, one end of one corrugated pipe body is sleeved with a first connecting pipe, one end of the other corrugated pipe body is sleeved with a second connecting pipe, one end of the first connecting pipe and the second connecting pipe is provided with a fixing pipe, a threaded cap is threadedly connected on the fixing pipe, and a first inner pipe is arranged in the first connecting pipe. The present application tightens the fixing pipe by rotating the threaded cap to fix the first connecting pipe and the second connecting pipe, inserts the first inner pipe into the second inner pipe to make the second inner pipe located between the arc plate and the first inner pipe, improves the sealing performance of the connection, rotates the second connecting pipe to make the clamping block enter the L-shaped slot for clamping to connect the first connecting pipe and the second connecting pipe, replaces the threaded connection mode, avoids the loosening of the connection, and prevents medium leakage.

[0004] In existing production activities, the corrugated pipe may not be long enough when used, so that a longer corrugated pipe needs to be replaced, causing waste of resources. When a shorter corrugated pipe is used for connection, due to the corrugated shape of the corrugated pipe, it can only be adhered with waterproof adhesive tape, but the sealing performance of the adhesive tape cannot be guaranteed, and the service life of the adhesive tape is short. SUMMARY

[0005] The present application aims to provide a sealed corrugated pipe connecting device capable of connecting corrugated pipes.

[0006] In order to achieve the above object, the technical scheme adopted by the present application is as follows: a sealed bellows connecting device, comprising a sleeve arranged outside the bellows, end portions of the sleeve being matched with closed seats of the bellows, a tightening structure arranged between the sleeves for pulling the two sleeves close to each other, the tightening structure comprising fixed plates arranged outside the sleeves, a tightening spring arranged between the fixed plates, a support rod arranged between the fixed plates, the tightening spring being sleeved outside the support rod, the fixed plates being provided with protection grooves, both ends of the tightening spring being located in the protection grooves, the fixed plates being provided with through holes matched with the support rod, the fixed plates being provided with baffles for partitioning the through holes, end portions of the baffles being located outside the fixed plates, one end of the baffle located inside the fixed plate being provided with a clamping groove, end portions of the support rod being located in the clamping groove, the clamping grooves being located on both sides of the baffle, one side of the baffle located outside the fixed plate being provided with a pressing groove.

[0007] The closed seats and the sleeve are provided with hinges, one end of the sleeve is provided with a pair of closed seats, the outside of the closed seats is provided with side plates, and adjacent side plates are provided with bolts.

[0008] The closed seats are provided with grooves matched with the bellows, shapes of end portions of the grooves are matched with shapes of protrusions of the bellows, and the protrusions of the bellows are clamped in the grooves.

[0009] An inner diameter of the sleeve is larger than an outer diameter of the bellows.

[0010] The bellows are provided with sealing rings, the sealing rings are provided with abutting grooves matched with end portions of the bellows, the end portions of the bellows are abutted in the abutting grooves, the bellows are located on both sides of the sealing ring, and an outer diameter of the sealing ring is smaller than an inner diameter of the sleeve.

[0011] A bellows connecting method, which is realized by using the sealed bellows connecting device, and steps are as follows:

[0012] S1: the sleeve is sleeved on the bellows at both ends, and the closed seats are closed;

[0013] S2: the sealing ring is inserted between the bellows at both ends;

[0014] S3: the baffle in the fixed plate is pulled out, and the connecting of the bellows is completed.

[0015] The technical effect of the present application is that: by sleeving the two sleeves outside the two bellows and fixing the closed seats on the bellows, the two bellows at both ends can be pulled close to each other by using the tightening structure, so as to connect the two bellows together and complete the connection, and a sealing ring can be additionally arranged between the bellows at both ends, so as to achieve better sealing effect, reduce the gap between the bellows at both ends, and reduce the gap leakage. BRIEF DESCRIPTION OF DRAWINGS

[0016] The present specification includes the following drawings, the contents of which are shown as follows:

[0017] Figure 1 Structure diagram of a sealed bellows joint device according to the present application;

[0018] Figure 2 Structure diagram of a sealed bellows joint device according to the present application; Figure 1 Structure diagram of a sealed bellows joint device according to the present application;

[0019] Figure 3 Structure diagram of a sealed bellows joint device according to the present application; Figure 1 Structure diagram of a sealed bellows joint device according to the present application;

[0020] Figure 4 Structure diagram of a sealed bellows joint device according to the present application; Figure 1 Structure diagram of a sealed bellows joint device according to the present application;

[0021] Figure 5 Structure diagram of a sealed bellows joint device according to the present application; Figure 1 Structure diagram of a sealed bellows joint device according to the present application;

[0022] Figure 6 Structure diagram of a sealed bellows joint device according to the present application; Figure 1 Structure diagram of a sealed bellows joint device according to the present application.

[0023] In the drawings, the following are marked: 1, bellows; 2, sleeve; 3, closure seat; 4, tightening structure; 41, fixed plate; 42, tightening spring; 43, support rod; 44, perforation; 45, baffle; 46, clamping groove; 47, protection groove; 48, pressing groove; 5, hinge; 6, recess; 7, side plate; 8, sealing ring; 81, abutting groove. DETAILED DESCRIPTION

[0024] The specific embodiments of the present application will be further described in detail below with reference to the drawings, through the description of the embodiments, in order to help the skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present application, and to help its implementation.

[0025] Please refer to Figures 1-6The utility model provides a kind of sealed bellows continuation device, including sleeve 2 that is set in the outside of bellows 1, the end of sleeve 2 is matched with the closed seat 3 of bellows 1, and the tightening structure 4 that pulls two sleeve 2 close to each other is equipped between sleeve 2, and the tightening structure 4 includes the fixed plate 41 that is arranged in the outside of sleeve 2, the tightening spring 42 that is equipped between fixed plate 41, the support rod 43 that is equipped between fixed plate 41, the tightening spring 42 is set in the outside of support rod 43, the protection groove 47 is equipped on fixed plate 41, and the both ends of tightening spring 42 are located in protection groove 47, the perforation 44 that is matched with support rod 43 is equipped in fixed plate 41, the baffle 45 that separates perforation 44 is equipped in fixed plate 41, and the end of baffle 45 is located outside fixed plate 41, the clamping groove 46 is equipped on the one end of baffle 45 in fixed plate 41, and the end of support rod 43 is located in clamping groove 46, clamping groove 46 is located on both sides of baffle 45, and press groove 48 is equipped on the side of baffle 45 outside fixed plate 41.

[0026] By being set in the outside of two bellows 1 with two sleeve 2, and being fixed on bellows 1 with closed seat 3, the bellows 1 at both ends can be pulled close to each other with the tightening structure 4, so that two bellows 1 are connected together, which is convenient to use and install quickly;The bellows 1 at both ends can be pulled close to each other by the pulling force of the tightening spring 42;The sleeve 2 at both ends is supported apart by the support rod 43, so that the bellows 1 at both ends cannot be pulled close to each other before sleeving, and the baffle 45 is pulled out when the bellows 1 need to be pulled close after sleeving, so that the support rod 43 is not blocked, and the support rod 43 passes through the perforation 44, and the sleeve 2 at both sides is pulled close to each other by the tightening spring 42, so that the bellows 1 at both ends are pulled close to each other by the closed seat 3;The clamping groove 46 can prevent the baffle 45 from being separated from the fixed plate 41 in the unused state during transportation, so as to avoid the product being scrapped in advance, and the press groove 48 facilitates the movement of the baffle 45

[0027] The hinge 5 is equipped between the closed seat 3 and the sleeve 2, one end of the sleeve 2 is provided with a pair of closed seats 3, the outside of the closed seat 3 is provided with a side plate 7, and the adjacent side plates 7 are provided with bolts;In this way, the closed seat 3 can rotate relative to the sleeve 2, which is convenient to install, and the closed seat 3 on the upper side and the lower side is fixed together by the side plate 7, so that the bellows 1 is fixed in the closed seat 3, so that the bellows 1 can be pulled to move by the closed seat 3 when the sleeve 2 moves.

[0028] The closing seat 3 is provided with a groove 6 matched with the corrugated pipe 1, the shape of the end of the groove 6 is matched with the convex shape of the corrugated pipe 1, the convex part of the corrugated pipe 1 is embedded in the groove 6, and the groove 6 and the corrugated pipe 1 are matched, when the sleeve 2 and the closing seat 3 are pulled close to each other, the groove 6 is used to pull the two ends of the corrugated pipe 1 close to each other, the two corrugated pipes 1 are folded to each other, and the quick connection effect is realized.

[0029] The inner diameter of the sleeve 2 is greater than the outer diameter of the corrugated pipe 1, when the corrugated pipe 1 is extruded, the outer diameter of the corrugated pipe 1 is expanded, a certain gap is reserved, and the situation that the corrugated pipe 1 is stuck in the sleeve 2 is avoided.

[0030] The sealing ring 8 is arranged between the corrugated pipes 1, the sealing ring 8 is provided with an abutting groove 81 matched with the end of the corrugated pipe 1, the end of the corrugated pipe 1 abuts in the abutting groove 81, the corrugated pipe 1 is located on the two sides of the sealing ring 8, and the outer diameter of the sealing ring 8 is smaller than the inner diameter of the sleeve 2; the sealing ring 8 is used to reduce the gap between the two corrugated pipes 1, reduce the leakage, and the abutting groove 81 is arranged to avoid the situation that the sealing ring 8 falls off from the corrugated pipes 1.

[0031] A corrugated pipe connection method is realized by using a sealing type corrugated pipe connection device, and the steps are as follows:

[0032] S1: the sleeve 2 is sleeved on the two ends of the corrugated pipe 1, the closing seat 3 is closed, the side plate 7 is fixed together by using the bolt, and the convex part of the corrugated pipe 1 is embedded in the groove 6;

[0033] S2: the sealing ring 8 is inserted between the two ends of the corrugated pipe 1, the ends of the two ends of the corrugated pipe 1 are embedded in the abutting groove 81, and the sealing ring 8 is prevented from falling off;

[0034] S3: the baffle 45 in the fixed plate 41 is pulled out, the baffle 45 no longer blocks the supporting rod 43, under the action of the tightening spring 42, the two ends of the fixed plate 41 are pulled close to each other, so that the two ends of the corrugated pipe 1 are pulled close to each other by the closing seat 3, and the connection of the corrugated pipe 1 is completed in cooperation with the sealing ring 8.

[0035] The technical effect of the present application is that two sleeves 2 are sleeved on two corrugated pipes 1, and the closing seat 3 is fixed on the corrugated pipe 1, so that the two ends of the corrugated pipe 1 are pulled close to each other by using the tightening structure 4, so that the two corrugated pipes 1 are connected together, which is convenient to use, fast to install, and a sealing ring 8 can be additionally arranged between the two ends of the corrugated pipe 1, so that better sealing effect is achieved, the gap between the two ends of the corrugated pipe 1 is reduced, and the gap leakage is reduced.

[0036] The application is described above with reference to the drawings. It is obvious that the specific implementation of the application is not limited to the above-mentioned manner. As long as various non-essential improvements are made by using the method concept and technical solutions of the application, or the above-mentioned concept and technical solutions of the application are directly applied to other occasions without improvement, they are all within the protection scope of the application.

Claims

1. A sealed bellows splicing device, characterized in that: The system includes a sleeve (2) fitted around the outside of a bellows (1), a closing seat (3) at the end of the sleeve (2) that mates with the bellows (1), a tightening structure (4) between the sleeves (2) to pull the two sleeves (2) closer together, the tightening structure (4) including a fixing plate (41) on the outside of the sleeve (2), a tightening spring (42) between the fixing plates (41), a support rod (43) between the fixing plates (41), the tightening spring (42) fitted around the support rod (43), a protective groove (47) on the fixing plate (41), and the tightening spring (42) being fitted around the support rod (43). The two ends of 42) are located in the protective groove (47). The fixed plate (41) is provided with a through hole (44) that cooperates with the support rod (43). The fixed plate (41) is provided with a baffle (45) that blocks the through hole (44). The end of the baffle (45) is located outside the fixed plate (41). The end of the baffle (45) located inside the fixed plate (41) is provided with a snap-fit ​​groove (46). The end of the support rod (43) is located inside the snap-fit ​​groove (46). The snap-fit ​​groove (46) is located on both sides of the baffle (45). The side of the baffle (45) located outside the fixed plate (41) is provided with a pressing groove (48).

2. The sealed bellows splicing device according to claim 1, characterized in that: A hinge (5) is provided between the closing seat (3) and the sleeve (2). A pair of closing seats (3) are provided at one end of the sleeve (2). A side plate (7) is provided on the outside of the closing seat (3). Bolts are provided between adjacent side plates (7).

3. The sealed bellows splicing device according to claim 1, characterized in that: The closed seat (3) is provided with a groove (6) that matches the corrugated pipe (1). The shape of the end of the groove (6) matches the protrusion shape of the corrugated pipe (1), and the protrusion of the corrugated pipe (1) is embedded in the groove (6).

4. The sealed bellows splicing device according to claim 1, characterized in that: The inner diameter of the sleeve (2) is larger than the outer diameter of the bellows (1).

5. A sealed bellows splicing device according to claim 1, characterized in that: A sealing ring (8) is provided between the corrugated pipes (1). The sealing ring (8) has an abutment groove (81) that fits with the end of the corrugated pipe (1). The end of the corrugated pipe (1) abuts in the abutment groove (81). The corrugated pipe (1) is located on both sides of the sealing ring (8). The outer diameter of the sealing ring (8) is smaller than the inner diameter of the sleeve (2).

6. A method for splicing corrugated pipes, implemented using a sealed corrugated pipe splicing device as described in any one of claims 1-5, characterized in that, The steps are as follows: S1: Fit the sleeve (2) onto the bellows (1) at both ends and close the closing seat (3); S2: Insert the sealing ring (8) between the bellows (1) at both ends; S3: Pull out the baffle (45) inside the fixing plate (41) to complete the continuation of the corrugated pipe (1).

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