阅读说明：本技术 一种双通道切换式双壁波纹管 (Double-channel switching type double-wall corrugated pipe ) 是由 吴幼梅 于 2020-12-02 设计创作，主要内容包括：本发明涉及双壁波纹管技术领域,尤其是一种双通道切换式双壁波纹管,包括两个管体,两个所述管体的内表面均设置有内壁,两个所述管体的外表面均设置有外壁,两个所述管体内壁的上下两端之间均固定安装有多个固定隔板,多个所述固定隔板之间均活动连接有活动隔板,多个所述活动隔板的大小均固定隔板相同,多个所述固定隔板的右端均开设有活动槽,多个所述活动槽的左侧内壁与活动隔板之间均转动连接有连接轴,本发明结构简单,设计合理,便于操作,不仅可以同时对两种不同的物质进行输送,而且可以在生产加工过程中进行供给原料的切换,并且结构简单,方便安装和拆卸,适用性较高,值得推广。(The invention relates to the technical field of double-wall corrugated pipes, in particular to a double-channel switching type double-wall corrugated pipe which comprises two pipe bodies, wherein inner walls are arranged on the inner surfaces of the two pipe bodies, outer walls are arranged on the outer surfaces of the two pipe bodies, a plurality of fixed partition plates are fixedly arranged between the upper end and the lower end of the inner walls of the two pipe bodies, movable partition plates are movably connected among the fixed partition plates, the size of each movable partition plate is the same as that of the fixed partition plate, movable grooves are formed in the right ends of the fixed partition plates, and connecting shafts are rotatably connected between the inner walls on the left sides of the movable grooves and the movable partition plates. The applicability is high, and the method is worthy of popularization.)

1. The utility model provides a binary channels switching formula double-walled bellows, includes two body (1), its characterized in that, two the internal surface of body (1) all is provided with inner wall (2), two the surface of body (1) all is provided with outer wall (3), two all fixed mounting has a plurality of fixed baffle (4) between the upper and lower both ends of body (1) inner wall, and is a plurality of equal swing joint has a movable partition (5) between fixed baffle (4), and is a plurality of the size of movable partition (5) is equal fixed baffle (4) is the same, and is a plurality of movable groove (13) has all been seted up to the right-hand member of fixed baffle (4), and is a plurality of all the rotation between the left side inner wall of movable groove (13) and movable baffle (5) is connected with connecting axle (6), and is a plurality of the outside of connecting axle (6) all is fixed the cover and is connected with driven gear (7), and is a plurality of all the rotation is connected with, and a plurality of pivots (8) all set up in the top of driven gear (7), and are a plurality of the right side outside of pivot (8) is all fixed cup joints driving gear (9) with driven gear (7) meshing, and is a plurality of the left side outside of pivot (8) is fixed respectively cup joints driven bevel gear (10), and is a plurality of the inside of fixed stop (4) all rotates and is connected with connecting rod (11), and is a plurality of the lower extreme of connecting rod (11) all extends to the inside of activity groove (13) and respectively fixedly connected with and driven bevel gear (10) meshing driving bevel gear (12).

2. The double-channel switching type double-wall corrugated pipe according to claim 1, wherein lower ends of the connecting rods (11) extend to the outside of the pipe body (1) and are respectively movably sleeved with a sleeve (32), upper ends of the sleeve (32) are respectively fixedly connected with a knob (14), the left side and the right side of the inner wall of the sleeve (32) are respectively fixedly connected with a limiting block (33), and limiting grooves (34) matched with the two limiting blocks (33) are respectively formed in the left side and the right side of the connecting rods (11).

3. The dual-channel switching type double-wall corrugated pipe as claimed in claim 2, wherein a plurality of second springs (35) are fixedly connected to top ends of inner walls of the plurality of sleeves (32), the plurality of second springs (35) are movably sleeved outside the connecting rod (11), a plurality of movable teeth (36) are respectively and uniformly and fixedly connected to lower ends of outer portions of the plurality of sleeves (32), a plurality of fixing rings (37) are movably sleeved outside the plurality of sleeves (32), lower ends of the plurality of fixing rings (37) are respectively and fixedly connected to an outer wall (3), and a plurality of fixing teeth (38) meshed with the movable teeth (36) are respectively and uniformly and fixedly connected to inner walls of the plurality of fixing rings (37).

4. The double-channel switching type double-wall corrugated pipe according to claim 1, wherein two ends of each of the movable partition plates (5) are fixedly connected with a sliding block (27), sliding grooves (28) matched with the two sliding blocks (27) are symmetrically formed in the inner walls of the two inner walls (2), four extrusion grooves (29) are uniformly formed in the two inner walls (2), the four extrusion grooves (29) are respectively formed in the outer sides of the two ends of the two sliding grooves (28), first springs (30) are fixedly connected to the inner walls of the four extrusion grooves (29), one ends, far away from the inner walls of the extrusion grooves (29), of the four first springs (30) are fixedly connected with limiting blocks (31), and the limiting blocks (31) extend to the inner portions of the sliding grooves (28).

5. The double-channel switching type double-wall corrugated pipe as claimed in claim 1, wherein a connecting sleeve (15) is movably connected between the two pipe bodies (1), the cross section of the connecting sleeve (15) is in an I shape fitting the pipe bodies (1) on two sides, a second sealing gasket (19) is mounted on the inner wall of the connecting sleeve (15) close to the two pipe bodies (1), and the second sealing gasket (19) is a rubber sealing gasket.

6. The double-channel switching type double-wall corrugated pipe according to claim 5, wherein a connecting partition plate (17) is fixedly connected between the inner walls of the upper end and the lower end of the connecting sleeve (15), wherein one side of each of the two fixing partition plates (4) close to the connecting partition plate (17) is respectively provided with a groove (18) matched with the connecting partition plate (17) for use, and the grooves (18) are respectively tightly attached to the fixing partition plates (4) on the two sides.

7. The double-channel switching type double-wall corrugated pipe as claimed in claim 6, wherein the other two pipe bodies (1) are fixedly sleeved with connecting blocks (20) at the outer parts of the ends close to each other, the connecting blocks (20) are in inverted L shapes matched with the two ends of the connecting sleeve (15), the inner walls of the two connecting blocks (20) close to the connecting sleeve (15) are provided with first sealing gaskets (16), and the two first sealing gaskets (16) are rubber sealing gaskets.

8. The dual-channel switching type double-wall corrugated pipe as claimed in claim 7, wherein a plurality of threaded blocks (21) are uniformly and fixedly connected to the outer portion of one of the connecting blocks (20), a threaded rod (22) is rotatably connected to the inner portion of each of the plurality of threaded blocks (21), a handle (26) is fixedly connected to the left end of each of the plurality of threaded rods (22), a movable rod (23) is rotatably connected to the right end of each of the plurality of threaded rods (22), a snap ring (24) is movably sleeved on the outer portion of each of the plurality of movable rods (23), and a plurality of hooks (25) matched with the snap ring (24) are uniformly and fixedly connected to the outer portion of the other connecting block (20).

Technical Field

The invention relates to the technical field of double-wall corrugated pipes, in particular to a double-channel switching type double-wall corrugated pipe.

Background

Double-wall corrugated pipes have been greatly popularized and applied in many industries due to their excellent performance and relatively economical cost. The traditional double-wall corrugated pipe has only one channel inside and can only be used for conveying or discharging a single medium, and certain defects exist. In recent years, double-walled corrugated pipes with two or even more channels have appeared on the market, which have a uniform corrugated outer pipe wall, the inside of which is divided into two or more independent channels, so that one pipe can transport different media without affecting each other.

But be completely independent between two passageways in the current double-channel bellows, though can carry two kinds of media, can't realize the switching between two kinds of media, can not supply with the switching of raw materials at the production and processing process, every passageway can only fixed carry a medium, has certain use limitation, in addition, current double-channel double-wall bellows is most, the structure is complicated, be not convenient for install and dismantle, causes the use inconvenient.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides the double-channel switching type double-wall corrugated pipe which is reasonable in design and ingenious in structure, can be used for conveying two different substances simultaneously through mutual matching of the structures, can be used for switching supply raw materials in the production and processing process, is simple in structure, convenient to install and disassemble, has good market competitiveness, and is worthy of recommendation.

In order to achieve the purpose, the invention adopts the following technical scheme:

a double-channel switching type double-wall corrugated pipe is designed, and comprises two pipe bodies, wherein inner walls are arranged on the inner surfaces of the two pipe bodies, outer walls are arranged on the outer surfaces of the two pipe bodies, a plurality of fixed partition plates are fixedly arranged between the upper ends and the lower ends of the inner walls of the two pipe bodies, movable partition plates are movably connected between the fixed partition plates, the movable partition plates are same in size, movable grooves are formed in the right ends of the fixed partition plates, connecting shafts are rotatably connected between the inner walls on the left sides of the movable grooves and the movable partition plates, driven gears are fixedly sleeved outside the connecting shafts, rotating shafts are rotatably connected between the inner walls on the left sides and the right sides of the movable grooves, the rotating shafts are arranged above the driven gears, and driving gears meshed with the driven gears are fixedly sleeved outside the right sides of the rotating shafts, it is a plurality of the left side outside of pivot is fixed respectively has cup jointed driven bevel gear, and is a plurality of the inside of fixed stop all rotates and is connected with the connecting rod, and is a plurality of the lower extreme of connecting rod all extends to the inside in activity groove and respectively fixedly connected with and driven bevel gear engaged with initiative bevel gear.

Preferably, it is a plurality of the sleeve pipe has all been cup jointed to the outside of all extending to the body of lower extreme of connecting rod and activity respectively, and is a plurality of the equal fixedly connected with knob in sheathed tube upper end, it is a plurality of the equal fixedly connected with stopper in the left and right sides of intraductal wall of cover, the spacing groove that uses with two stopper cooperations is seted up respectively to the left and right sides of connecting rod.

Preferably, it is a plurality of the equal fixedly connected with second spring in sheathed tube inner wall top, and the equal activity of a plurality of second springs cup joints in the outside of connecting rod, and is a plurality of even fixedly connected with a plurality of movable teeth of sheathed tube outside lower extreme difference, and is a plurality of the equal activity of sheathed tube outside has cup jointed solid fixed ring, and a plurality of solid fixed ring's lower extreme all with outer wall fixed connection, and is a plurality of the fixed teeth of even fixedly connected with a plurality of and movable tooth meshing respectively on solid fixed ring's the inner wall.

Preferably, it is a plurality of the equal fixedly connected with slider in both ends of adjustable shelf, two the spout that uses with two slider cooperations is seted up to the symmetry on the inner wall of inner wall, two four extrusion grooves have evenly been seted up to the inside of inner wall, and four extrusion grooves set up respectively in the both ends outside of two spouts, four equal fixedly connected with first spring, four on the outside inner wall in extrusion groove the equal fixedly connected with stopper of one end that extrusion inslot wall was kept away from to first spring, and a plurality of the stopper all extends to the inside of spout.

Preferably, two swing joint has adapter sleeve between the body, and adapter sleeve's cross sectional shape is the I shape of laminating both sides body, all install the sealed pad of second on the inner wall that adapter sleeve is close to two bodies, and the sealed pad of second is sealed for the rubber packing pad.

Preferably, the connection partition plates are fixedly connected between the inner walls of the upper end and the lower end of the connection sleeve, grooves matched with the connection partition plates for use are respectively formed in one sides, close to the connection partition plates, of the two fixing partition plates, and the grooves are tightly attached to the fixing partition plates on the two sides respectively.

Preferably, the connecting block is fixedly sleeved outside the end, close to the pipe body, of the pipe body, the connecting block is in an inverted L shape matched with the two ends of the connecting sleeve, the connecting block is close to the inner wall of one side of the connecting sleeve, a first sealing gasket is mounted on the inner wall of the connecting block, and the two first sealing gaskets are rubber sealing gaskets.

Preferably, one of them a plurality of screw thread blocks of the even fixedly connected with in outside of connecting block, it is a plurality of the inside of screw thread block all rotates and is connected with the threaded rod, and is a plurality of the equal fixedly connected with handle in left end of threaded rod, it is a plurality of the right-hand member of threaded rod all rotates and is connected with the movable rod, and is a plurality of the snap ring, another have been cup jointed in the equal activity in outside of movable rod the couple that the even fixedly connected with in outside of connecting block a plurality of and snap ring cooperation were used.

The double-channel switching type double-wall corrugated pipe provided by the invention has the beneficial effects that:

when the corrugated pipe is used for simultaneously conveying two substances, the sleeve can be pulled upwards through the knob to drive the two limit blocks to move towards the upper ends of the limit grooves, the second spring is extruded to enable the movable teeth to move upwards to relieve the meshing action between the movable teeth and the fixed teeth, then the sleeve can be rotated through the knob to enable the sleeve to rotate the connecting rod through the two limit blocks, the driving bevel gear is driven to rotate through the connecting rod, the driven bevel gear is driven to rotate through the meshing action between the gears, so that the rotating shaft is driven to rotate, the driving gear is driven to rotate through the rotating shaft, so that the driving gear drives the driven gear to rotate through the meshing action between the gears, so that the movable partition plate is driven to rotate, in the rotating process, the sliding block firstly extrudes the limit blocks to enable the first spring to be compressed to enable the limit blocks to retract into the extrusion grooves, the limiting effect on the sliding block is removed, when the movable partition plate rotates to be parallel to the fixed partition plate, the sliding block is rotated to the other side of the sliding groove, the limiting block is extruded again, when the sliding block rotates to the left side of the limiting block, the limiting block is popped out under the reset effect of the first spring, the movable partition plate is fixed again, two channels are separated, the corrugated pipe can be used for conveying two materials simultaneously, when a single material needs to be conveyed, only the knob needs to be turned over, the movable partition plate is perpendicular to the fixed partition plate, the two channels are communicated, at the moment, the corrugated pipe can be used for conveying the single material, the movable partition plate is arranged, the two conveying channels are communicated more conveniently, raw material supply switching is convenient in the production and processing processes, and the overall practicability of the device is improved;

when two pipe bodies need to be connected, the pipe bodies are only required to be stretched into the connecting sleeve firstly, so that the connecting partition plate is stretched into the groove in one of the fixed partition plates, then the other pipe body is stretched into the connecting sleeve, so that the groove on the other side is sleeved outside the connecting partition plate, finally, the threaded rod is rotated sequentially through the handle, the threaded rod pushes the clamping ring to move towards the right side through the movable rod, the clamping ring is sleeved outside the hook, then the threaded rod is reversed, so that the threaded rod drives the clamping ring to move towards the left side through the movable rod, the two pipe bodies can be connected and fixed, convenience and rapidness are realized, the sealing performance is good, and the use convenience of the corrugated pipe is improved;

the invention has reasonable design and ingenious structure, can simultaneously convey two different substances by the mutual matching of the structures, can switch the supply raw materials in the production and processing process, has simple structure, convenient installation and disassembly, has good market competitiveness, and is worthy of recommendation

Drawings

Fig. 1 is a cross-sectional view of a dual channel switching type double-wall corrugated pipe according to the present invention;

FIG. 2 is a front view of a dual channel switched double wall corrugated pipe according to the present invention;

FIG. 3 is a left sectional view of a portion of a dual channel switched double wall corrugated pipe according to the present invention;

FIG. 4 is a sectional top view of a dual channel switched double wall corrugated pipe according to the present invention;

FIG. 5 is an enlarged view of the structure of the portion A of the dual channel switching type double-wall corrugated pipe according to the present invention;

FIG. 6 is an enlarged view of the structure of the portion B of the dual channel switching type double-wall corrugated pipe according to the present invention;

FIG. 7 is an enlarged view of the structure of the portion C of a dual channel switching type double-wall corrugated pipe according to the present invention;

fig. 8 is an enlarged schematic view of a portion D of a dual-channel switching type double-wall corrugated pipe according to the present invention.

In the figure: 1. a pipe body; 2. an inner wall; 3. an outer wall; 4. fixing the partition board; 5. a movable partition plate; 6. a connecting shaft; 7. a driven gear; 8. a rotating shaft; 9. a driving gear; 10. a driven bevel gear; 11. a connecting rod; 12. a drive bevel gear; 13. a movable groove; 14. a knob; 15. connecting a sleeve; 16. a first gasket; 17. connecting the partition boards; 18. a groove; 19. a second gasket; 20. connecting blocks; 21. a thread block; 22. a threaded rod; 23. A movable rod; 24. a snap ring; 25. hooking; 26. a handle; 27. a slider; 28. a chute; 29. extruding a groove; 30. a first spring; 31. a limiting block; 32. a sleeve; 33. a limiting block; 34. a limiting groove; 35. a second spring; 36. movable teeth; 37. a fixing ring; 38. and (5) fixing the teeth.

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.

Referring to fig. 1-8, comprising two pipe bodies 1, wherein inner walls 2 are respectively arranged on the inner surfaces of the two pipe bodies 1, outer walls 3 are respectively arranged on the outer surfaces of the two pipe bodies 1, a plurality of fixed partition plates 4 are respectively and fixedly arranged between the upper and lower ends of the inner walls of the two pipe bodies 1, movable partition plates 5 are respectively and movably connected between the plurality of fixed partition plates 4, the sizes of the plurality of movable partition plates 5 are respectively identical to that of the fixed partition plates 4, movable grooves 13 are respectively arranged at the right ends of the plurality of fixed partition plates 4, connecting shafts 6 are respectively and rotatably connected between the left inner walls of the plurality of movable grooves 13 and the movable partition plates 5, driven gears 7 are respectively and fixedly sleeved on the outer portions of the plurality of connecting shafts 6, rotating shafts 8 are respectively and rotatably connected between the inner walls of the left and right sides of the plurality of movable grooves 13, the plurality of rotating shafts 8 are respectively arranged, driven bevel gear 10 has been cup jointed to the left side outside of a plurality of pivots 8 is fixed respectively, the inside of a plurality of fixed baffles 4 is all rotated and is connected with connecting rod 11, the inside that the lower extreme of a plurality of connecting rods 11 all extended to and respectively fixedly connected with and driven bevel gear 10 meshed drive bevel gear 12, drive bevel gear 12 through connecting rod 11 and rotate, so that drive bevel gear 12 drives pivot 8 and rotates, drive driven gear 7 through pivot 8, thereby drive connecting axle 6 and rotate, overturn fixed baffles 4, thereby realize the switching between two passageways, can supply with the switching of raw materials in the production and processing process, the practicality of bellows has been increased.

The lower ends of the plurality of connecting rods 11 extend to the outside of the pipe body 1 and are respectively movably sleeved with a sleeve 32, the upper ends of the plurality of sleeve 32 are respectively and fixedly connected with a knob 14, the left and right sides of the inner wall of the plurality of sleeve 32 are respectively and fixedly connected with a limiting block 33, the left and right sides of the connecting rod 11 are respectively provided with a limiting groove 34 matched with the two limiting blocks 33 for use, the top ends of the inner wall of the plurality of sleeve 32 are respectively and fixedly connected with a second spring 35, the plurality of second springs 35 are respectively and movably sleeved on the outside of the connecting rod 11, the lower ends of the plurality of sleeve 32 are respectively and fixedly connected with a plurality of movable teeth 36, the outside of the plurality of sleeve 32 is respectively and movably sleeved with a fixing ring 37, the lower ends of the plurality of fixing rings 37 are respectively and fixedly connected with the outer wall 3, the inner walls of the plurality of fixing rings 37 are respectively and fixedly connected with a plurality of fixed teeth 38 meshed with, when the corrugated pipe is used, the fixed partition plate 4 is prevented from being turned over due to mistaken touch of the knob 14, the use of the corrugated pipe is influenced, and the stability of the corrugated pipe in use is improved.

The equal fixedly connected with slider 27 in both ends of a plurality of adjustable baffles 5, spout 28 that uses with two slider 27 cooperations is seted up to the symmetry on the inner wall of two inner walls 2, four extrusion groove 29 have evenly been seted up to the inside of two inner walls 2, and four extrusion groove 29 set up the both ends outside at two spout 28 respectively, equal first spring 30 of fixedly connected with on the outside inner wall of four extrusion groove 29, the equal fixedly connected with stopper 31 of one end that extrusion groove 29 inner wall was kept away from to four first springs 30, and a plurality of stoppers 31 all extend to the inside of spout 28, the setting of four stoppers 31, can fix adjustable baffles 5 when the bellows carries out the passageway switching, avoid taking place to leak between two kinds of media, make the bellows more practical.

A connecting sleeve 15 is movably connected between the two pipe bodies 1, the cross section of the connecting sleeve 15 is in an I shape fitting the pipe bodies 1 on two sides, first sealing gaskets 16 are respectively arranged on the inner walls of the connecting sleeve 15 close to the two pipe bodies 1, the first sealing gaskets 16 are rubber sealing gaskets, a connecting partition plate 17 is fixedly connected between the inner walls of the upper end and the lower end of the connecting sleeve 15, grooves 18 matched with the connecting partition plate 17 are respectively arranged on one sides of the two fixing partition plates 4 close to the connecting partition plate 17, the grooves 18 are respectively tightly fitted with the fixing partition plates 4 on two sides, a connecting block 20 is fixedly sleeved outside one end of the other two pipe bodies 1 close to each other, the shape of the connecting block 20 is in an inverted L shape matched with the two ends of the connecting sleeve 15, the inner walls of one sides of the two connecting blocks 20 close to the connecting sleeve 15 are respectively provided with first sealing gaskets 16, the provision of the first gasket 16 and the second gasket 19 increases the sealing properties of the connection between the two tubular bodies 1, making the tubular bodies 1 more practical.

Wherein a plurality of screw thread blocks 21 of the even fixedly connected with in outside of one connecting block 20, the inside of a plurality of screw thread blocks 21 all rotates and is connected with threaded rod 22, the equal fixedly connected with handle 26 in left end of a plurality of threaded rods 22, the right-hand member of a plurality of threaded rods 22 all rotates and is connected with movable rod 23, snap ring 24 has been cup jointed in the equal activity in outside of a plurality of movable rods 23, the even fixedly connected with in outside of another connecting block 20 is a plurality of couples 25 with 24 cooperation uses of snap ring, multiunit couple 25 and snap ring 24's setting, it is connected and dismantles between two body 1 to be convenient more, the use convenience of body 1 has been increased.

The working principle is as follows: when the corrugated pipe is used for simultaneously conveying two substances, the sleeve 32 can be pulled upwards through the knob 14, so that the sleeve 32 drives the two limit blocks 33 to move towards the upper ends of the limit grooves 34, the second spring 35 is extruded, the movable teeth 36 move upwards, the meshing action between the movable teeth 36 and the fixed teeth 38 is removed, then the sleeve 32 can be rotated through the knob 14, the sleeve 32 rotates the connecting rod 11 through the two limit blocks 33, the driving bevel gear 12 is driven to rotate through the connecting rod 11, the driven bevel gear 10 is driven to rotate through the meshing action between the gears, so that the rotating shaft 8 is driven to rotate, the driving gear 9 is driven by the rotating shaft 8 to rotate, the driving gear 9 drives the driven gear 7 to rotate through the meshing action between the gears, so as to drive the movable partition 5 to rotate, and in the rotating process, the limit blocks 31 are firstly extruded by the slide block 27, the first spring 30 is compressed to enable the limit block 31 to retract into the extrusion groove 29, the limit effect on the sliding block 27 is removed, when the movable partition plate 5 rotates to be parallel to the fixed partition plate 4, the sliding block 27 is rotated to the other side of the sliding groove 28, the limit block 31 is extruded again, when the sliding block 27 rotates to the left side of the limit block 31, the limit block 31 is ejected under the reset effect of the first spring 30, the movable partition plate 5 is fixed again, and therefore two channels are separated, and at the moment, two substances can be conveyed simultaneously by using the corrugated pipe; when a single substance needs to be conveyed, the knob 14 is only required to be reversed to enable the movable partition plate 5 to be perpendicular to the fixed partition plate 4, so that the two channels are communicated, and at the moment, the corrugated pipe can be used for conveying the single substance; when two pipe bodies 1 need to be connected, the pipe bodies 1 only need to stretch into the connecting sleeve 15 firstly, so that the connecting partition 17 stretches into the groove 18 in one of the fixed partition 4, then the other pipe body 1 stretches into the connecting sleeve 15, so that the groove 18 on the other side is sleeved outside the connecting partition 17, finally, the threaded rod 22 is rotated sequentially through the handle 26, the threaded rod 22 pushes the snap ring 24 to move towards the right side through the movable rod 23, the snap ring 24 is sleeved outside the hook 25, then the threaded rod 22 is reversed, so that the threaded rod 22 drives the snap ring 24 to move towards the left side through the movable rod 23, and the two pipe bodies 1 can be connected and fixed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.