90-degree elbow connecting pipe fitting

Abstract

The invention relates to a 90-degree elbow connecting pipe fitting, and relates to the technical field of pipeline connection, the 90-degree elbow connecting pipe fitting comprises a pipe body, connecting devices are arranged at the two ends of the pipe body, each connecting device comprises a connecting part, and the connecting parts slide in the axis direction of the pipe body; a clamping groove is coaxially formed in the end face, away from the pipe body, of the connecting part, multiple sets of abutting pieces are arranged in an inner cavity of the clamping groove in the opening direction of the clamping groove, each set of abutting piece is composed of two sets of abutting pieces, the clamping pieces are installed on the two side walls of the clamping groove respectively, each clamping piece comprises a fixed base and a rotating base, and the fixed bases and the rotating bases are rotationally connected; the rotating seat is fixedly connected with an abutting plate, the pipe body is provided with a locking device, the locking device comprises a supporting part, a fixed pipe and a sliding rod, the supporting part is fixedly connected with the pipe body, the fixed pipe slides in the long edge direction of the supporting part, the sliding rod slides along the fixed pipe, and the end of the sliding rod is rotationally connected with a rotating rod. The connecting structure has the advantages that the connecting strength and the sealing performance are guaranteed, the mounting process can be simplified, and two pipelines can be connected more quickly.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline connection, and in particular to a 90° elbow connecting pipe fitting. Background Art

[0002] Pipeline transportation is widely used in the petroleum, chemical, electric power and other industries. It has many advantages, including large transportation volume, less permanent land occupation, low transportation cost, low energy consumption, high safety performance, and can carry out corresponding transportation operations better and faster.

[0003] In the related technologies, since pipelines are easily affected by terrain, buildings, etc., corresponding bends are required on the pipelines at some locations, such as turns, etc. When connecting the related pipelines, they are mainly connected by welding, flanges, ferrules, compression, etc., while ensuring the overall sealing and stability of the pipelines.

[0004] Regarding the above-mentioned related technologies, welding connection is difficult to construct and difficult to repair once damaged; although flange connection is easy to install, it is prone to leakage; although ferrule connection is quick to install, it has poor vibration resistance, which makes it inconvenient for stable connection of pipelines. Summary of the invention

[0005] In order to ensure the connection strength and sealing, simplify the installation process, and connect two pipes more quickly, the present application provides a 90° elbow pipe connector.

[0006] The present application provides a 90° elbow pipe connector, which adopts the following technical solution: A 90° elbow pipe connector comprises a pipe body, two ends of which are perpendicular to each other; Both ends of the tube body are provided with connecting devices, the connecting devices include a connecting portion, and the connecting portion slides along the axial direction of the tube body; the connecting portion is coaxially provided with a clamping groove on the end surface away from the tube body, and a sealing material is provided in the clamping groove, and the inner cavity of the clamping groove is provided with multiple groups of abutment members along the opening direction of the clamping groove, each group of abutment members is composed of two groups of abutment members, and the two groups of clamping members are respectively installed on the two side walls of the clamping groove, and the clamping member includes a fixed seat and a rotating seat, and the fixed seat is rotatably connected to the rotating seat, and the rotating seat is equipped with an abutment plate, and the abutment plate is fixedly connected to the rotating seat; The tube body is equipped with a locking device, which includes a support part, a fixed tube and a sliding rod. The support part and the tube body are fixedly connected, the fixed tube slides along the long side direction of the support, the sliding rod slides along the fixed tube, and the end of the sliding rod is rotatably connected to a rotating rod.

[0007] By adopting the above technical solution, when an operator connects two mutually perpendicular pipes, he first places the pipe body on the two pipes to be connected, then extends the two connecting parts, so that the ends of the pipe parts extend to the inside of the clamping groove, and the ends of the pipes abut against the abutment plate, and the ends of the pipes are closed by the abutment plate, so that the liquid in the pipes can enter the inside of the pipe body and move from the pipe body to the other pipe. The operator fixes the position of the pipe relative to the supporting part, then slides the sliding rod, and finally rotates the rotating rod at the end of the sliding rod. The pipe is limited by the rotating rod, and the connection between the two pipes can be completed. It is fast and effective with simple steps, and the connection strength and sealing are guaranteed.

[0008] Optionally, a water-stopping pad is provided on the end surface of the abutment plate away from the rotating seat, and the water-stopping pad is fixedly connected to the abutment plate.

[0009] By adopting the above technology, the setting of the water stop pad can seal the end of the pipeline, preventing the liquid in the pipeline from flowing out from the gap between the pipeline and the abutment plate, thereby affecting the sealing of the pipeline and causing unnecessary economic waste.

[0010] Optionally, the fixed seat is evenly distributed with positioning grooves in the circumferential direction, and the rotating seat is equipped with a first spring and a positioning block. The first spring connects the rotating seat and the positioning block, and the positioning groove is used to accommodate the positioning block.

[0011] By adopting the above technical solution, by placing the positioning block in the positioning groove, the angle between the mounting rod and the sliding rotating seat and the fixed seat can be fixed, and the first spring can produce a certain deformation, so that during the rotation of the rotating seat, the positioning block can be located at different positions, thereby completing the fixation of the angle between the rotating seat and the fixed seat.

[0012] Optionally, the connecting device also includes a fixing frame and an adjusting assembly, the fixing frame and the tube body are fixedly connected, the adjusting assembly includes a supporting shaft, both ends of the supporting shaft are provided with a first gear group, a second gear group, a transmission rod, a spur gear and a rack, the first gear group is used to connect the supporting shaft and the transmission rod, the second gear group is used to connect the supporting shaft and the spur gear, the spur gear and the rack are meshed, and the rack and the connecting part are fixedly connected.

[0013] By adopting the above technical solution, the fixed frame provides support for the installation of the adjustment component. The operator rotates the support shaft, and under the transmission action of the first gear group and the second gear group, the spur gear is driven to rotate the spur teeth, the spur gear and the rack are meshed, and then the rack is driven to slide. The rack and the connecting part are fixed, and then the connecting part is driven to slide, thereby completing the displacement of the connecting part.

[0014] Optionally, the transmission rod is equipped with a positioning piece, the positioning piece is fixedly connected to the fixing frame, the transmission rod passes through the positioning piece, and is rotatably connected to the positioning piece.

[0015] By adopting the above technical solution, the setting of the positioning member can provide support for the installation of the transmission rod, thereby ensuring the stable operation of the first gear set and the second gear set, so that the connecting part can slide normally.

[0016] Optionally, the support portion is provided with a mounting groove, a mounting block is provided in the mounting groove, the mounting block can slide along the mounting groove, the mounting block is equipped with an abutment rod, and the abutment rod abuts against the fixing tube.

[0017] By adopting the above technical solution, the support part provides support for the setting of the installation groove. At the same time, the sliding block installation block can slide along the installation groove, driving the fixed pipe to slide, and then can limit the pipes of different diameters, thereby improving the applicability of the device. The abutment rod can provide stable support for the installation of the fixed pipe.

[0018] Optionally, the rotating rod is provided with a slide groove, and the slide groove is equipped with multiple mounting rods. The mounting rods can slide along the rotating rod and are rotatably connected to the mounting rod. The mounting rod is equipped with multiple locking parts, and the locking parts include a telescopic rod and a fitting plate. One end of the telescopic rod is fixedly connected to the mounting rod, and the other end is rotatably connected to the fitting plate.

[0019] By adopting the above technical solution, the slide groove provides support for the installation of the mounting rod. At the same time, the mounting rod can rotate along the rotating tube to a certain extent. The operator controls the length of the telescopic rod to make the fitting plate fit the side wall of the pipe, thereby completing the position limiting between the pipe body and the pipe, preventing the pipe body and the pipe from moving and causing the loss of contents.

[0020] Optionally, an anti-slip pad is provided on the end surface of the laminating plate away from the telescopic rod.

[0021] By adopting the above technical solution, the anti-slip pad can effectively improve the connection stability between the bonding plate and the pipe.

[0022] Optionally, the sliding rod is provided with a fixing groove, and the rotating rod is provided with an adjusting groove and a supporting groove, the fixing groove can be connected with the adjusting groove and the supporting groove in sequence, the fixing groove and the adjusting groove are connected, the rotating rod is parallel to the sliding rod, the fixing groove and the supporting groove are connected, and the rotating rod is perpendicular to the sliding rod.

[0023] By adopting the above technical solution, the operator can connect the fixed groove and the adjustment groove or the support groove to fix the angle between the rotating rod and the sliding rod, so that the rotating rod can not only limit the pipe from the side wall of the pipe, but also limit the pipe from the end of the pipe, thereby improving the applicability of the device.

[0024] Optionally, a plug-in block is provided in the fixing groove, and the other end of the plug-in block can be located in the adjusting groove and the supporting groove.

[0025] By adopting the above technical solution, the setting of the plug-in block can stably limit the angle between the sliding rod and the rotating rod, avoid the angle between the sliding rod and the rotating rod from changing, and thus stably limit the pipeline.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: By setting up the connection device, pipes and pipe bodies of different diameters can be connected. At the same time, the abutment plate further improves the connection stability between the pipe body and the pipe, and is convenient for operators to quickly install. By providing a locking device, the pipeline can be limited from the side wall and the end of the pipeline, thereby preventing displacement between the pipeline and the pipe body, thereby improving the sealing performance; By providing the bonding plate and the water stop pad, the connection stability between the pipeline and the pipe body is further ensured, and the sealing between the pipeline and the pipe body is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the present application; Figure 2 yes Figure 1 The enlarged schematic diagram of part A in the middle; Figure 3 is a schematic diagram of the rotating seat structure; Figure 4 yes Figure 2 The enlarged schematic diagram of part B in the middle; Figure 5 is a schematic diagram of the locking device structure; Figure 6 is a schematic diagram of the rotating rod structure; Figure 7 yes Figure 6 The enlarged schematic diagram of part C in the middle; Figure 8 It is a schematic diagram of the locking member structure.

[0028] Figure numerals: 1, tube body; 11, sliding groove; 12, receiving groove; 2, connecting device; 21, supporting plate; 22, extension assembly; 221, supporting rod; 222, connecting part; 223, connecting ring; 224, clamping groove; 23, abutting assembly; 231, supporting frame; 232, fixing seat; 233, rotating seat; 234, positioning groove; 235, first spring; 236, positioning block; 237, abutting plate; 238, water stop pad; 24, fixing frame; 25, adjusting assembly; 251, connecting rod; 252, hand wheel; 253, first bevel gear; 254, second bevel gear; 255, supporting Support shaft; 26, first gear set; 27, second gear set; 28, positioning member; 29, transmission rod; 20, shifting assembly; 201, spur gear; 202, rack; 3, locking device; 31, supporting part; 32, mounting groove; 33, screw rod; 34, mounting block; 35, fixing tube; 36, abutting rod; 37, sliding rod; 371, connecting groove; 372, fixing groove; 373, plug-in block; 38, rotating rod; 381, sliding groove; 382, ​​adjusting groove; 383, supporting groove; 39, mounting rod; 30, locking member; 301, telescopic rod; 302, bonding plate; 303, anti-slip pad. DETAILED DESCRIPTION

[0029] The following is combined with Figure 1-8 This application is described in further detail.

[0030] The embodiment of the present application discloses a 90° elbow pipe connector.

[0031] Reference Figure 1 A 90° elbow pipe connector includes a pipe body 1, a connecting device 2 and a locking device 3.

[0032] Reference Figure 1 In this embodiment, the tube body 1 is composed of two hollow cylindrical tubes, the axes of the two hollow cylindrical tubes are arranged perpendicular to each other, and the ends of the two hollow cylindrical tubes close to each other are welded so that the inner cavities of the tube body 1 form inner cavities that are perpendicular to each other and connected.

[0033] Reference Figure 1 , connecting devices 2 are provided at both ends of the tube body 1, and the connecting device 2 includes a support plate 21. In this embodiment, the support plate 21 is preferably a flange plate. The support plate 21 is located at the end of the tube body 1, and the support plate 21 is coaxially fixedly connected to the tube body 1 by welding.

[0034] Reference Figure 1The connecting device 2 also includes an extension component 22, and the extension component 22 includes a support rod 221. The end of the tube body 1 is provided with a sliding groove 11 along the axial direction of the tube body 1. In this embodiment, there are multiple sliding grooves 11, and the multiple sliding grooves 11 are evenly distributed circumferentially along the axial direction of the tube body 1. The inner cavity of each sliding groove 11 is provided with a support rod 221, and the support rod 221 can slide along the axial direction of the sliding groove 11.

[0035] Reference Figure 1 The tube body 1 is provided with a receiving groove 12 on one side of the sliding groove 11 close to the axial direction of the tube body 1. In this embodiment, the receiving groove 12 is preferably an annular groove, and the inner cavity of the receiving groove 12 is provided with a connecting portion 222. In this embodiment, the connecting portion 222 is preferably a hollow ring, and the connecting portion 222 can slide along the axial direction of the receiving groove 12.

[0036] Reference Figure 1 A connecting ring 223 is provided at the end of the connecting portion 222. In this embodiment, the connecting ring 223 is preferably a circular ring. The connecting ring 223 is coaxially fixedly connected to the end of the outer wall of the connecting portion 222 away from the tube body 1 by welding, and the connecting ring 223 is fixedly connected to the support rod 221 by screws.

[0037] Reference Figure 1 and Figure 2 A snap-in groove 224 is provided on the end surface of the connecting portion 222 away from the tube body 1. In the present embodiment, the snap-in groove 224 is preferably a V-shaped groove, and the snap-in groove 224 and the connecting portion 222 are coaxially arranged, wherein the groove width of the snap-in groove 224 gradually decreases along the axial direction of the tube body 1 and in the direction in which the connecting portion 222 points to the tube body 1. A sealing material is provided in the snap-in groove 224. The snap-in groove 224 is used to accommodate the pipe to be connected so that the connecting portion 222 and the pipe can have better contact.

[0038] Reference Figure 1 and Figure 2The inner wall of the clamping groove 224 is provided with a plurality of abutment components 23, and the plurality of abutment components 23 are uniformly distributed in the circumferential direction along the axial direction of the connecting portion 222. The abutment components 23 include a support frame 231. In this embodiment, the support frame 231 is preferably a V-shaped frame. The outer wall of the support frame 231 is attached to the inner wall of the clamping groove 224. The support frame 231 is fixedly connected to the connecting portion 222 by screw fixing. The end faces of the support frame 231 close to each other are uniformly distributed with a plurality of groups of abutment members, and the plurality of groups of abutment members are arranged at intervals along the axial direction of the tube body 1. Each group of abutment members is composed of two abutment members, and the two abutment members are respectively located on the two side walls of the support frame 231, and the distances to the connecting end of the support frame 231 are consistent. The abutment member includes a fixed seat 232 and a rotating seat 233. In this embodiment, the fixed seat 232 is preferably a U-shaped seat, and the fixed seat 232 is fixedly connected to the support frame 231 by screws. The rotating seat 233 is penetrated into the inner cavity of the fixed seat 232, and the rotating seat 233 is rotatably connected to the fixed seat 232 by a pin shaft connection.

[0039] Reference Figure 2 , Figure 3 and Figure 4 The inner cavity of the fixed seat 232 is provided with a positioning groove 234 at the pin shaft, and a plurality of positioning grooves 234 are provided, and the plurality of positioning grooves 234 are evenly distributed circumferentially along the axial direction of the pin shaft. Each rotating seat 233 is equipped with a first spring 235 and a positioning block 236. The two ends of the first spring 235 are respectively fixedly connected to the positioning block 236 and the rotating seat 233. The positioning groove 234 is used to accommodate the positioning block 236. In this embodiment, the positioning block 236 is preferably a conical table, and the large end of the positioning block 236 is attached to the first spring 235, and the first spring 235 has a certain bending and deformation ability.

[0040] Reference Figure 1 and Figure 2 The end face of the rotating seat 233 away from the fixed seat 232 is provided with an abutment plate 237. In this embodiment, the abutment plate 237 is preferably an L-shaped plate, and one right-angled side of the abutment plate 237 is attached to the rotating seat 233, and the other right-angled side is located on the side of the right-angled side close to the tube body 1 and away from the end face of the rotating seat 233.

[0041] Reference Figure 2 The end surface of the abutment plate 237 that is attached to the rotating seat 233 is provided with a guide slope at the end away from the tube body 1. In this embodiment, the inclination direction of the guide slope is along the axial direction of the tube body 1 toward the direction close to the tube body 1 and close to the axis of the tube body 1.

[0042] Reference Figure 2A water stop pad 238 is provided on the end surface of the abutment plate 237 away from the fixed seat 232. In this embodiment, the water stop pad 238 is preferably an L-shaped pad. The water stop pad 238 is attached to the end surface of the abutment plate 237 away from the fixed seat 232, and the water stop pad 238 is fixedly connected to the abutment plate 237 by screws.

[0043] Reference Figure 1 The connecting device 2 also includes a fixed frame 24. In this embodiment, the fixed frame 24 is preferably a U-shaped frame with an opening downward. The fixed frame 24 is sleeved on the tube body 1. The long side direction of the horizontal section of the fixed frame 24 is perpendicular to the axial direction of the tube body 1. The fixed frame 24 is fixedly connected to the tube body 1 by welding.

[0044] Reference Figure 1 The fixed frame 24 is provided with an adjustment assembly 25, which includes a connecting rod 251, a hand wheel 252, a first bevel gear 253, a second bevel gear 254 and a support shaft 255. In this embodiment, the connecting rod 251 is inserted into the middle of the horizontal section of the fixed frame 24, and the connecting rod 251 is fixedly connected to the fixed frame 24 by a bearing connection. The hand wheel 252 is located above the connecting rod 251, and the hand wheel 252 is coaxially fixedly connected to the connecting rod 251 by a key connection. The long side direction of the support shaft 255 is parallel to the horizontal section of the fixed frame 24, and both ends of the support shaft 255 are rotatably connected to the fixed frame 24 by a bearing connection. The first bevel gear 253 is fixedly connected to the connecting rod 251 by a key connection, and the second bevel gear 254 is coaxially fixedly connected to the support shaft 255 by a key connection, and the first bevel gear 253 and the second bevel gear 254 are meshed.

[0045] Reference Figure 1 , both ends of the support shaft 255 are provided with a first gear set 26, a second gear set 27, a positioning member 28 and a transmission rod 29. In this embodiment, the first gear set 26 and the second gear set 27 are both bevel gear sets, and the two rotation axes of the first gear set 26 and the second gear set 27 are perpendicular to each other. The positioning member 28 is preferably a horizontally arranged T-shaped rod. The first gear set 26 is installed on the support shaft 255, and the positioning member 28 is fixedly connected to the fixing frame 24 by screws. The transmission rod 29 is penetrated by the positioning member 28 and is rotatably connected to the positioning member 28 by bearing connection. The first gear set 26 and the second gear set 27 are respectively installed at both ends of the transmission rod 29.

[0046] Reference Figure 1Each second gear set 27 is equipped with a shifting assembly 20, which includes a spur gear 201 and a rack 202. The spur gear 201 is rotatably connected to the fixing frame 24 via a rotating shaft, and the spur gear 201 is coaxially fixedly connected to the end of the second gear set 27 away from the transmission rod 29 via a key connection. The long side direction of the rack 202 is parallel to the axial direction of the tube body 1. The rack 202 is inserted into the support plate 21 and can slide along the axial direction of the tube body 1. The rack 202 is meshed with the spur gear 201, and the rack 202 is fixedly connected to the connecting ring 223.

[0047] Reference Figure 1 and Figure 5 A locking device 3 is provided at one end of the tube body 1 close to the opening. The locking device 3 is located on one side of the fixing frame 24 close to the connecting ring 223 . Two locking devices 3 are provided, and the two locking devices 3 are symmetrically arranged along the axial direction of the tube body 1 .

[0048] Reference Figure 5 The locking device 3 includes a support portion 31, which is fixedly connected to the tube body 1 by screw fixing. A mounting groove 32 is provided on the end surface of the support portion 31 close to the connecting ring 223, and the long side direction of the mounting groove 32 is parallel to the long side direction of the support portion 31. A screw rod 33 and a mounting block 34 are provided in the inner cavity of the mounting groove 32, and the long side direction of the screw rod 33 is parallel to the long side direction of the support portion 31. The screw rod 33 is inserted into the mounting groove 32, and the screw rod 33 is fixedly connected to the support plate by a bearing connection. An adjustment ring is provided at the end of the screw rod 33, and the adjustment ring and the screw rod 33 are threadedly connected. The mounting block 34 is equipped with a lead screw nut, and the side wall of the mounting block 34 is attached to the side wall of the mounting groove 32, and the mounting block 34 is threadedly connected to the screw rod 33 by the lead screw nut.

[0049] Reference Figure 1 and Figure 5 The locking device 3 further comprises a fixed tube 35, an abutment rod 36 and a sliding rod 37. The fixed tube 35 is rotatably connected to the mounting block 34 by screw fixation. The abutment rod 36 is located on the side of the fixed tube 35 close to the axial direction of the tube body 1. The abutment rod 36 is fixedly connected to the mounting block 34 by screw fixation. The fixed tube 35 can abut against the top wall of the abutment rod 36. The sliding rod 37 is penetrated through the fixed tube 35, and the sliding rod 37 can slide along the axial direction of the fixed tube 35. The sliding rod 37 is equipped with a top screw, which is penetrated through the fixed tube 35 and is threadedly connected to the fixed tube 35, and then abuts against the side wall of the sliding rod 37 after the top screw is screwed.

[0050] Reference Figure 6 , Figure 7 and Figure 8The end of the sliding rod 37 away from the fixed tube 35 is provided with a connecting groove 371, and a rotating rod 38 is provided at the connecting groove 371. The rotating rod 38 is inserted into the connecting groove 371 and can rotate the sliding rod 37. The rotating rod 38 is provided with a sliding groove 381 on the side wall close to the fixed tube 35. The inner cavity of the sliding groove 381 is provided with a plurality of sliders, which can slide along the long side direction of the sliding groove 381. Each slider is equipped with a mounting rod 39, and the mounting rod 39 is rotatably connected to the slider by a rotating shaft connection.

[0051] Reference Figure 1 and Figure 7 The sliding rod 37 is provided with a fixing groove 372, and the rotating rod 38 is provided with an adjusting groove 382 and a supporting groove 383. In this embodiment, the fixing groove 372 can be connected with the adjusting groove 382 and the supporting groove 383 in sequence. When the fixing groove 372 and the adjusting groove 382 are connected, the long side direction of the rotating rod 38 is parallel to the long side direction of the sliding rod 37. When the fixing groove 372 and the supporting groove 383 are connected, the long side direction of the rotating rod 38 is perpendicular to the long side direction of the sliding rod 37. The inner cavity of the fixing groove 372 is provided with a plug-in block 373, one end of which is located in the fixing groove 372, and the other end of which can be fixed in the adjusting groove 382 and / or the supporting groove 383.

[0052] Reference Figure 8 The mounting rod 39 is provided with a plurality of locking members 30 at intervals along the long side direction, and the plurality of locking members 30 are sequentially arranged along the long side direction of the mounting rod 39. The locking member 30 comprises a telescopic rod 301 and a bonding plate 302. The telescopic direction of the telescopic rod 301 is perpendicular to the plane of the mounting rod 39, and the housing of the telescopic rod 301 is fixedly connected to the mounting rod 39 by screws. The bonding plate 302 is rotatably connected to the end of the telescopic rod 301 away from the mounting rod 39 by means of a hinge seat connection.

[0053] Reference Figure 8 An anti-skid pad 303 is provided on the end surface of the bonding plate 302 away from the telescopic rod 301, and the anti-skid pad 303 is fixedly connected to the bonding plate 302 by screws.

[0054] The implementation principle of a 90° elbow pipe connector in an embodiment of the present application is as follows: the operator first places the pipe body 1 on the pipe to be connected, and then rotates the hand wheel 252, which drives the spur gear 201 to rotate through the transmission between the relevant gears. The spur gear 201 and the rack 202 are meshed, and the rack 202 drives the connecting part 222 to slide, so that the pipe is inserted into the accommodating groove 12 until the pipe and the abutment plate 237 are in contact, completing the connection between the pipe body 1 and the pipe. The abutment plates 237 in different positions can connect pipes with different wall thicknesses.

[0055] After completing the preliminary limiting of the pipeline, the operator can adjust the position of the mounting block 34, and at the same time adjust the position of the sliding rod 37 relative to the fixed pipe 35, and according to the pipe, the pipeline is fiberized, and the pipeline side wall or the pipeline end is selected to limit the pipeline. The plug-in block 373 is located in the adjustment groove 382 or the support groove 383 to complete the angle fixation between the sliding rod 37 and the rotating rod 38. Then, the mounting rod 39 is rotated to a suitable angle, and the length of the telescopic rod 301 is adjusted to make the fitting plate 302 fit the pipeline side wall or end to complete the limiting of the pipeline.

[0056] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A 90° elbow connecting pipe fitting, characterized in that: It comprises a tube body (1), wherein two ends of the tube body (1) are perpendicular to each other; Both ends of the tube body (1) are provided with a connecting device (2), the connecting device (2) comprising a connecting portion (222), the connecting portion (222) sliding along the axial direction of the tube body (1); a clamping groove (224) is coaxially arranged on the end surface of the connecting portion (222) away from the tube body (1), a sealing material is arranged in the clamping groove (224), the inner cavity of the clamping groove (224) is provided with a plurality of groups of abutting members along the opening direction of the clamping groove (224), each group of abutting members is composed of two groups of abutting members, the two groups of clamping members are respectively installed on the two side walls of the clamping groove (224), the clamping members comprise a fixed seat (232) and a rotating seat (233), the fixed seat (232) and the rotating seat (233) are rotatably connected, the rotating seat (233) is provided with an abutting plate (237), the abutting plate (237) and the rotating seat (233) are fixedly connected; The tube body (1) is provided with a locking device (3), and the locking device (3) comprises a supporting portion (31), a fixed tube (35) and a sliding rod (37). The supporting portion (31) and the tube body (1) are fixedly connected, the fixed tube (35) slides along the long side direction of the supporting portion (31), the sliding rod (37) slides along the fixed tube (35), and the end of the sliding rod (37) is rotatably connected to a rotating rod (38).

2. A 90° elbow connecting pipe fitting according to claim 1, characterized in that: A water-stopping pad (238) is provided on the end surface of the abutment plate (237) away from the rotating seat (233), and the water-stopping pad (238) and the abutment plate (237) are fixedly connected.

3. The 90° elbow connecting pipe fitting according to claim 1, characterized in that: The fixed seat (232) is evenly distributed with positioning grooves (234) in the circumferential direction, and the rotating seat (233) is equipped with a first spring (235) and a positioning block (236). The first spring (235) connects the rotating seat (233) and the positioning block (236), and the positioning groove (234) is used to accommodate the positioning block (236).

4. The 90° elbow connecting pipe fitting according to claim 1, characterized in that: The connecting device (2) further comprises a fixing frame (24) and an adjusting assembly (25), wherein the fixing frame (24) and the tube body (1) are fixedly connected, and the adjusting assembly (25) comprises a supporting shaft (255), and both ends of the supporting shaft (255) are provided with a first gear set (26), a second gear set (27), a transmission rod (29), a spur gear (201) and a rack (202), wherein the first gear set (26) is used to connect the supporting shaft (255) and the transmission rod (29), and the second gear set (27) is used to connect the supporting shaft (255) and the spur gear (201), the spur gear (201) and the rack (202) are meshed, and the rack (202) and the connecting portion (222) are fixedly connected.

5. The 90° elbow connecting pipe fitting according to claim 4, characterized in that: The transmission rod (29) is equipped with a positioning piece (28), the positioning piece (28) and the fixing frame (24) are fixedly connected, and the transmission rod (29) passes through the positioning piece (28) and is rotatably connected to the positioning piece (28).

6. The 90° elbow connecting pipe fitting according to claim 1, characterized in that: The support portion (31) is provided with a mounting groove (32), a mounting block (34) is provided in the mounting groove (32), the mounting block (34) can slide along the mounting groove (32), the mounting block (34) is equipped with an abutment rod (36), and the abutment rod (36) abuts against the fixing tube (35).

7. The 90° elbow connecting pipe fitting according to claim 1, characterized in that: The rotating rod (38) is provided with a slide groove (381), and the slide groove (381) is equipped with a plurality of mounting rods (39). The mounting rods (39) can slide along the rotating rod (38) and are rotatably connected to the mounting rods (39). The mounting rods (39) are provided with a plurality of locking members (30), and the locking members (30) include a telescopic rod (301) and a bonding plate (302). One end of the telescopic rod (301) is fixedly connected to the mounting rod (39), and the other end is rotatably connected to the bonding plate (302).

8. The 90° elbow connecting pipe fitting according to claim 7, characterized in that: An anti-slip pad (303) is provided on the end surface of the bonding plate (302) away from the telescopic rod (301).

9. The 90° elbow connecting pipe fitting according to claim 7, characterized in that: The sliding rod (37) is provided with a fixing groove (372), and the rotating rod (38) is provided with an adjusting groove (382) and a supporting groove (383). The fixing groove (372) can be connected with the adjusting groove (382) and the supporting groove (383) in sequence. The fixing groove (372) and the adjusting groove (382) are connected. The rotating rod (38) is parallel to the sliding rod (37), the fixing groove (372) and the supporting groove (383) are connected, and the rotating rod (38) is perpendicular to the sliding rod (37).

10. The 90° elbow connecting pipe fitting according to claim 9, characterized in that: A plug-in block (373) is provided in the fixing groove (372), and the other end of the plug-in block (373) can be located in the adjusting groove (382) and the supporting groove (383).

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