Spiral corrugated pipe connecting device

Abstract

The utility model discloses a helically corrugated pipe connecting device, relates to helically corrugated pipe technical field, including corrugated pipe body, the opposite surface of two said corrugated pipe body is both fixedly equipped with fixed structure, the outer wall of two fixed structure is fixedly equipped with butt joint structure, two fixed structure both includes fixed ring and annular plate, and the butt joint structure is equipped with the butt joint structure. The inner walls of the two fixing rings are connected with the outer walls, opposite to each other, of the two corrugated pipe bodies in an inserted mode. According to the spiral corrugated pipe connecting device, through the effect of the fixing structure, the first clamping block is inserted into the first clamping hole, then the annular plate is fixed, at the moment, the clamping block is clamped between the two corrugations on the outer wall of the spiral corrugated pipe body, then the fixing ring is fixed, and then the functional stability of the spiral corrugated pipe connecting device is guaranteed; according to the spiral corrugated pipe connecting device, the spiral corrugated pipe body is prevented from loosening and further affecting use of the spiral corrugated pipe body, and meanwhile the sealing effect of the spiral corrugated pipe connecting device can be guaranteed under the action of the fixing ring and the first rubber pad.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral bellows, in particular to a spiral bellows connecting device. Background Art

[0002] A spiral bellows is a pipe with a spiral corrugated shape, and a spiral bellows connecting device is a device or component used to connect spiral bellows. Its design and function are intended to facilitate the connection of pipes and ensure the reliability and sealing of the connection.

[0003] For example, the Chinese patent with announcement number CN208381537U discloses a spiral bellows connection device, which relates to the technical field of spiral bellows, and is designed to solve the problems of inconvenient connection and short service life in the process of using spiral bellows. The spiral bellows connection device includes: an I-shaped rubber ring, a hoop plate and a tie rod bolt. The number of hoop plates is two, and each hoop plate has a hoop ring that matches the end of the spiral bellows. The two hoop plates are respectively connected to the ends of the two spiral bellows through two hoop rings; the I-shaped rubber ring is arranged between the two hoop plates, and the I-shaped rubber ring is provided with an annular limiting groove for accommodating the end of the spiral bellows. The number of annular limiting grooves is two, and the two annular limiting grooves are respectively arranged on both sides of the I-shaped rubber ring; the tie rod bolt is respectively connected to the two hoop plates to adjust the distance between the two hoop plates. The spiral bellows connection device is used to connect the spiral bellows to achieve the effect of convenient connection and extending the service life of the spiral bellows.

[0004] The existing technology has the following problems:

[0005] During actual use, after the spiral bellows is connected, due to the spiral protrusions on the outer wall of the spiral bellows itself, the fixation between the spiral bellows connecting device itself and the spiral bellows is very likely to loosen and create gaps, which in turn damages the sealing of the pipeline system, causing leakage, and further increasing the maintenance cost of the pipeline. Utility Model Content

[0006] The utility model provides a spiral corrugated pipe connecting device to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A spiral corrugated pipe connection device comprises a corrugated pipe body, two opposite surfaces of the corrugated pipe bodies are fixedly mounted with a fixing structure, and the outer walls of the two fixing structures are fixedly mounted with a docking structure.

[0009] Preferably, the two fixing structures each include a fixing ring and an annular plate, the inner walls of the two fixing rings are respectively plugged into the outer walls of the two bellows bodies at relative positions, the sides of the two fixing rings that are close to each other are fixedly connected with a first rubber pad, the outer walls of the two fixing rings are fixedly connected with a circular ring, the sides of the two circular rings that are far away from each other are provided with a plurality of sliding grooves, the inner wall of the sliding groove close to the axis of the bellows body is provided with a through hole that penetrates the sliding groove, the inner wall of the through hole is slidably connected with a sliding rod, and the side of the sliding rod close to the bellows body is fixedly connected with a blocking block.

[0010] Preferably, the interior of the slide groove is slidably connected to a round rod, the outer wall of the round rod is fixedly connected to the side of the slide rod away from the blocking block, and a number of inclined slot holes penetrating the annular plates are provided on the left and right sides of the two annular plates, and the inner wall of the inclined slot hole is slidably connected to the outer wall of the round rod away from the circular ring.

[0011] Preferably, a first elastic telescopic rod is fixedly installed at an upper position on one side away from the two circular rings, and the output ends of the two first elastic telescopic rods are fixedly connected to a first locking block. Two first locking holes that penetrate the annular plates are provided at an upper position on the front of the two annular plates, and the size and shape of the outer walls of the first locking blocks at the left and right positions are respectively adapted to the size and shape of the inner walls of the two first locking holes at the left and right positions.

[0012] Preferably, the docking structure includes a plurality of snap rings, and the sides of the snap rings at the left and right positions that are far away from each other are respectively fixedly connected to the sides of the circular rings at the left and right positions that are close to each other, and the sides of the circular rings at the left and right positions that are close to each other are fixedly connected with a plurality of second rubber pads, and the snap rings and the second rubber pads on the same side are arranged alternately, and the snap rings and the second rubber pads on the left correspond one by one to the second rubber pad and snap rings on the right side respectively.

[0013] Preferably, a plurality of clamping rods are fixedly connected to the right side of the circular ring on the left, and the outer wall of the right part of the clamping rod is plugged into the left part of the circular ring on the right side, and a second elastic telescopic rod is fixedly installed on the clamping rod at a position slightly to the right away from one side of the corrugated tube body, and a second clamping block is fixedly connected to the output end of the second elastic telescopic rod, and a plurality of second clamping holes are provided on the outer wall of the circular ring on the right, and the inner walls of the second clamping holes are plugged into the outer wall of the second clamping block, and a steel wire rope is fixedly connected to the bottom end of the second clamping block, and the left end of the steel wire rope extends out of the outer wall of the middle part of the clamping rod, and the left end of the steel wire rope is fixedly connected to a limiting ring, and a hook is fixedly connected to the left position of the outer wall of the clamping rod, and the outer wall of the hook is movably connected to the inner wall of the limiting ring.

[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:

[0015] 1. The utility model provides a spiral bellows connecting device. Through the action of the fixing structure, the first clamping block is inserted into the first clamping hole to fix the annular plate. At this time, the clamping block is clamped between the two corrugations on the outer wall of the spiral bellows body to fix the fixing ring, thereby ensuring the functional stability of the spiral bellows connecting device and preventing it from loosening, thereby affecting the use of the spiral bellows body. At the same time, under the action of the fixing ring and the first rubber pad, the sealing effect of the spiral bellows connecting device can be guaranteed.

[0016] 2. The utility model provides a spiral bellows connecting device. Through the action of the docking structure, the second clamping block is inserted into the second clamping hole, and then the two rings are fixed, thereby realizing the connection of the two spiral bellows bodies. Pulling the limit ring and putting it on the hook can realize the stable contraction of the second clamping block, thereby making the connection and disassembly of the two spiral bellows bodies more convenient. The clamping rings on the left and right sides correspond to the second rubber pads one by one and are plugged in, which can ensure the sealing effect of the two spiral bellows bodies after docking. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the card block structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the clamping ring structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the clamping rod structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the second positioning hole structure of the utility model.

[0022] In the figure: 1. bellows body; 2. fixing structure; 21. fixing ring; 22. circular ring; 23. slide groove; 24. through hole; 25. slide rod; 26. clamping block; 27. round rod; 28. annular plate; 29. ​​oblique slot hole; 210. first elastic telescopic rod; 211. first clamping block; 212. first clamping hole; 213. first rubber pad; 3. docking structure; 31. clamping ring; 32. second rubber pad; 33. clamping rod; 34. second elastic telescopic rod; 35. second clamping block; 36. second clamping hole; 37. wire rope; 38. limiting ring; 39. hook. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0024] like Figure 1 As shown, a spiral corrugated pipe connection device comprises a corrugated pipe body 1, two opposite surfaces of the corrugated pipe bodies 1 are fixedly mounted with fixing structures 2, and outer walls of the two fixing structures 2 are fixedly mounted with docking structures 3.

[0025] By setting the fixing structure 2, the first locking block 211 is inserted into the first locking hole 212, thereby fixing the annular plate 28. At this time, the locking block 26 is stuck between the two corrugations on the outer wall of the spiral bellows body 1, thereby fixing the fixing ring 21, thereby ensuring the functional stability of the spiral bellows connecting device and preventing it from loosening, thereby affecting the use of the spiral bellows body 1. At the same time, under the action of the fixing ring 21 and the first rubber pad 213, the sealing effect of the spiral bellows connecting device can be guaranteed.

[0026] like Figure 2 and Figure 3 As shown, the two fixing structures 2 each include a fixing ring 21 and an annular plate 28, the inner walls of the two fixing rings 21 are respectively plugged into the outer walls of the two bellows bodies 1 at relative positions, the sides of the two fixing rings 21 that are close to each other are fixedly connected with a first rubber pad 213, the outer walls of the two fixing rings 21 are fixedly connected with a circular ring 22, the sides of the two circular rings 22 that are away from each other are provided with a plurality of slide grooves 23, the inner wall of the slide groove 23 is provided with a through hole 24 that penetrates the slide groove 23 on the side close to the axis of the bellows body 1, the inner wall of the through hole 24 is slidably connected with a slide rod 25, and the side of the slide rod 25 that is close to the bellows body 1 is fixedly connected with a clamping block 26.

[0027] By setting the clamping block 26, when the round rod 27 slides inside the slide groove 23, the slide rod 25 passes through the through hole 24 to drive the clamping block 26 to slide, and the clamping block 26 is clamped between the two corrugations on the outer wall of the spiral bellows body 1, thereby fixing the fixing ring 21, thereby ensuring the functional stability of the spiral bellows connecting device.

[0028] like Figure 2 As shown, a round rod 27 is slidably connected inside the slide groove 23, and the outer wall of the round rod 27 is fixedly connected to the side of the slide rod 25 away from the block 26. A plurality of inclined slot holes 29 penetrating the annular plates 28 are provided on the left and right sides of the two annular plates 28, and the inner wall of the inclined slot hole 29 is slidably connected to the outer wall of the round rod 27 away from the ring 22.

[0029] By providing the annular plate 28 , when the annular plate 28 is rotated, the annular plate 28 rotates so that the inclined slot hole 29 limits the round rod 27 , thereby making the round rod 27 slide inside the slide groove 23 , thereby driving the slide rod 25 to slide.

[0030] like Figure 2As shown, a first elastic telescopic rod 210 is fixedly installed at the upper position of the two circular rings 22 away from each other, and the output ends of the two first elastic telescopic rods 210 are fixedly connected to a first locking block 211, and two first locking holes 212 penetrating the annular plates 28 are provided at the upper position of the front parts of the two annular plates 28, and the size and shape of the outer walls of the first locking blocks 211 at the left and right positions are respectively adapted to the size and shape of the inner walls of the two first locking holes 212 at the left and right positions.

[0031] By setting the first locking hole 212, when the annular plate 28 rotates to the initial position, when another first locking hole 212 of the first locking hole 212 is aligned with the first locking block 211, under the action of the first elastic telescopic rod 210, the first locking block 211 is inserted into the first locking hole 212, thereby fixing the annular plate 28.

[0032] like Figure 3 As shown, the docking structure 3 includes a plurality of snap rings 31, and the sides of the left and right snap rings 31 that are far away from each other are respectively fixedly connected to the sides of the left and right circular rings 22 that are close to each other, and the sides of the left and right circular rings 22 that are close to each other are both fixedly connected with a plurality of second rubber pads 32, and the snap rings 31 and the second rubber pads 32 on the same side are arranged alternately, and the snap rings 31 and the second rubber pad 32 on the left correspond one by one to the second rubber pad 32 and the snap rings 31 on the right side, respectively.

[0033] By setting the clamping ring 31 and the second rubber pad 32, after the clamping rod 33 on the surface of the left circular ring 22 is inserted into the left part of the right circular ring 22, the clamping rings 31 on the left and right sides correspond to and are plugged into the second rubber pad 32 one by one, thereby ensuring the sealing effect after the two spiral bellows bodies 1 are connected.

[0034] like Figure 4 and Figure 5 As shown, a plurality of clamping rods 33 are fixedly connected to the right side of the left circular ring 22, and the outer wall of the right part of the clamping rod 33 is plugged into the left part of the right circular ring 22. A second elastic telescopic rod 34 is fixedly installed at the right position of the clamping rod 33 away from the side of the corrugated tube body 1, and the output end of the second elastic telescopic rod 34 is fixedly connected to a second clamping block 35. A plurality of second clamping holes 36 are opened on the outer wall of the right circular ring 22, and the inner walls of the second clamping holes 36 are plugged into the outer wall of the second clamping block 35. A steel wire rope 37 is fixedly connected to the bottom end of the second clamping block 35, and the left end of the steel wire rope 37 extends out of the outer wall of the middle part of the clamping rod 33, and the left end of the steel wire rope 37 is fixedly connected to a limiting ring 38. A hook 39 is fixedly connected to the left position of the outer wall of the clamping rod 33, and the outer wall of the hook 39 is movably connected to the inner wall of the limiting ring 38.

[0035] By setting a second locking block 35, the second locking block 35 is inserted into the second locking hole 36, so as to fix the two rings 22, thereby realizing the connection between the two spiral bellows bodies 1, and pulling the limiting ring 38 and putting it on the hook 39, the stable contraction of the second locking block 35 can be realized, thereby making the connection and disassembly of the two spiral bellows bodies 1 more convenient.

[0036] The working principle of the utility model is as follows: when in use, firstly, the two circular rings 22 are sleeved on the two ends of the two spiral bellows bodies 1, and the outer wall of the inner ring in the fixing ring 21 is kept close to the inner wall of the spiral bellows body 1, and then the first blocking block 211 is pressed down to disengage it from the first blocking hole 212. When the annular plate 28 is rotated, the annular plate 28 rotates so that the inclined slot hole 29 limits the round rod 27, thereby making the round rod 27 slide inside the slide groove 23. During this process, the slide rod 25 passes through the through hole 24 to drive the blocking block 26 to slide. When the annular plate 28 is rotated to align the other first blocking hole 212 with the first blocking block 211, under the action of the first elastic telescopic rod 210, the first blocking block 211 is inserted into the first blocking hole 212, thereby fixing the annular plate 28. At this time, the blocking block 26 is stuck in the two corrugated holes on the outer wall of the spiral bellows body 1. The fixing ring 21 is fixed between them, thereby ensuring the functional stability of the spiral bellows connection device and preventing it from loosening, thereby affecting the use of the spiral bellows body 1. At the same time, under the action of the fixing ring 21 and the first rubber pad 213, the sealing effect of the spiral bellows connection device can be ensured. Thereafter, the limiting ring 38 is pulled and put on the hook 39, and then the clamping rod 33 on the surface of the left circular ring 22 is inserted into the left part of the right circular ring 22. At this time, the left and right side clamping rings 31 correspond to the second rubber pad 32 one by one and are plugged in, thereby ensuring the sealing effect of the two spiral bellows bodies 1 after docking. Thereafter, the limiting ring 38 is removed, and under the resetting action of the second elastic telescopic rod 34, the second clamping block 35 is inserted into the second clamping hole 36, thereby fixing the two circular rings 22, thereby realizing the connection of the two spiral bellows bodies 1.

[0037] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A spiral bellows connection device, comprising two bellows bodies (1), characterized in that: The opposite surfaces of the two bellows bodies (1) are fixedly mounted with fixing structures (2), and the outer walls of the two fixing structures (2) are fixedly mounted with docking structures (3).

2. A spiral bellows connection device according to claim 1, characterized in that: The two fixing structures (2) each comprise a fixing ring (21) and an annular plate (28); the inner walls of the two fixing rings (21) are respectively plugged into the outer walls of the two bellows bodies (1) at opposite positions; the sides of the two fixing rings (21) that are close to each other are fixedly connected with a first rubber pad (213); the outer walls of the two fixing rings (21) are fixedly connected with a circular ring (22); the sides of the two circular rings (22) that are away from each other are provided with a plurality of sliding grooves (23); the inner wall of the sliding groove (23) that is close to the axis of the bellows body (1) is provided with a through hole (24) that penetrates the sliding groove (23); the inner wall of the through hole (24) is slidably connected with a sliding rod (25); the side of the sliding rod (25) that is close to the bellows body (1) is fixedly connected with a clamping block (26).

3. A spiral bellows connection device according to claim 2, characterized in that: A round rod (27) is slidably connected inside the slide groove (23), and the outer wall of the round rod (27) is fixedly connected to the side of the slide rod (25) away from the block (26). A plurality of inclined slot holes (29) penetrating the annular plates (28) are provided on the left and right sides of the two annular plates (28), and the inner walls of the inclined slot holes (29) are slidably connected to the outer wall of the round rod (27) away from the ring (22).

4. A spiral bellows connection device according to claim 2, characterized in that: A first elastic telescopic rod (210) is fixedly installed at an upper position on a side away from the two circular rings (22); the output ends of the two first elastic telescopic rods (210) are fixedly connected to a first clamping block (211); two first clamping holes (212) penetrating the annular plates (28) are provided at an upper position on the front of the two annular plates (28); the size and shape of the outer walls of the first clamping blocks (211) at the left and right positions are respectively adapted to the size and shape of the inner walls of the two first clamping holes (212) at the left and right positions.

5. A spiral bellows connection device according to claim 2, characterized in that: The docking structure (3) comprises a plurality of snap rings (31), the sides of the snap rings (31) at left and right positions being far away from each other are respectively fixedly connected to the sides of the circular rings (22) at left and right positions being close to each other, and the sides of the circular rings (22) at left and right positions being close to each other are both fixedly connected to a plurality of second rubber pads (32), the snap rings (31) and the second rubber pads (32) at the same side are arranged in a staggered manner, and the snap rings (31) and the second rubber pads (32) at the left side correspond one to one with the second rubber pads (32) and the snap rings (31) at the right side.

6. A spiral bellows connection device according to claim 2, characterized in that: A plurality of clamping rods (33) are fixedly connected to the right side of the circular ring (22) located on the left, and the outer wall of the right part of the clamping rod (33) is plugged into the left part of the circular ring (22) located on the right side. A second elastic telescopic rod (34) is fixedly installed at a right position of the clamping rod (33) away from the side of the corrugated tube body (1), and a second clamping block (35) is fixedly connected to the output end of the second elastic telescopic rod (34). A plurality of second clamping holes (36) are opened on the outer wall of the circular ring (22) located on the right side. The inner wall of the second locking hole (36) is plugged into the outer wall of the second locking block (35); the bottom end of the second locking block (35) is fixedly connected to a steel wire rope (37); the left end of the steel wire rope (37) extends out of the outer wall of the middle part of the locking rod (33); the left end of the steel wire rope (37) is fixedly connected to a limiting ring (38); a hook (39) is fixedly connected to the left side of the outer wall of the locking rod (33); the outer wall of the hook (39) is movably connected to the inner wall of the limiting ring (38).

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