CN116357818A - Aluminum alloy pipeline connecting piece and aluminum alloy pipeline system - Google Patents

Abstract

The invention discloses an aluminum alloy pipeline connecting piece and an aluminum alloy pipeline system, and relates to the technical field of aluminum alloy pipelines, wherein the aluminum alloy pipeline connecting piece comprises an inner pipe sleeve component which is inserted into the inner side of an aluminum alloy connecting pipe in an anastomotic manner and two outer pipe sleeves which are covered on the outer side of the aluminum alloy connecting pipe; the inner pipe sleeve assembly consists of two first inner pipe sleeves and two second inner pipe sleeves which are spliced with each other, one ends of the first inner pipe sleeves and one end of the second inner pipe sleeve are respectively inserted into the aluminum alloy connecting pipe in an anastomotic mode, the other ends of the first inner pipe sleeves and the second inner pipe sleeve outwards extend to form annular outer edge plates, the two outer pipe sleeves are fixedly connected through the fixing assembly, semi-annular matching grooves are formed in the two outer pipe sleeves, and a connecting cavity with two ends being communicated and used for the aluminum alloy connecting pipe to pass through is formed between the two matching grooves. According to the invention, two aluminum alloy connecting pipes are fixed by multiple mortise-tenon joints, so that the connecting pipe is convenient to connect and detach, and meanwhile, the operation is simple, and the stability after connection is high.

Description

An aluminum alloy pipe connector and an aluminum alloy pipe system

technical field

The invention relates to the technical field of aluminum alloy pipelines, in particular to an aluminum alloy pipeline connector and an aluminum alloy pipeline system.

Background technique

Existing aluminum alloy pipes generally adopt flanges, welding, and threaded connections. With flange connection, the larger the flange, the more bolts are needed, which is inconvenient for maintenance and disassembly, and the flange connection requires more parts and the cost is higher. The welding connection method consumes high energy, construction costs, and pollutes the environment during installation, and requires mechanical removal and welding installation during maintenance or disassembly, and the construction cost is also high. The method of threaded connection also has the problem of requiring a large surplus space for maintenance and disassembly, and it is easy to cause distortion and deformation of the pipe during the welding process, and it does not meet the needs of green construction development. Therefore, the connection of aluminum alloy pipes design becomes more and more important.

At present, the connectors installed on aluminum alloy pipelines, such as the aluminum alloy pipeline connectors and aluminum alloy pipeline systems in the authorized announcement CN109000055 B, include two pipe sleeves and limit components; the symmetrical fit of the two pipe sleeves is respectively the first end part and the second end, the first end is provided with a card slot, and the second end is provided with a card bar; the limit assembly includes a first elastic block and a second elastic block; although it adopts a new clamping method Complete the installation of two aluminum alloy pipes, but in the installation process, the overall installation is installed from the outside to the inside, that is, only the outer sides of the joints of the two pipes are spliced together. After the elasticity of the spring becomes weaker, its connection strength also becomes weaker, thus affecting the subsequent installation stability.

Contents of the invention

The purpose of the present invention is to solve the problem of weak stability of the current connectors in the prior art in long-term use, and propose an aluminum alloy pipe connector and an aluminum alloy pipe system.

In order to achieve the above object, the present invention adopts the following technical solutions:

An aluminum alloy pipe connector, comprising an inner sleeve assembly inserted into the inner side of the aluminum alloy connecting pipe and two outer sleeves covering the outer side of the aluminum alloy connecting pipe;

Wherein, the inner sleeve assembly is composed of two first inner sleeves and second inner sleeves spliced with each other, and one end of the first inner sleeve and the second inner pipe are inserted into the aluminum alloy connecting pipe respectively, An annular outer edge plate extends outward from the other end;

The two outer sleeves are fixedly connected by a fixing assembly, and the inside of the two outer sleeves are provided with semi-circular matching grooves, and the two matching grooves are formed between two ends and are used for aluminum alloy connecting pipes to pass through. There is a connecting cavity in the middle of the top surface of each matching groove, and a bottom groove is opened in the middle of the top surface of each matching groove. A placement cavity for placing the outer edge plate is formed between the two bottom grooves. The slider is positioned and clamped by the board, and the top of each bottom groove is equipped with a screw adjustment member that adjusts the movement of the two sliders at the same height, and the two side walls of each bottom groove are provided with elastic contacts with adjacent sliders. Buffer.

Preferably, the ends of the first inner sleeve and the second inner sleeve extending into the aluminum alloy connecting pipe are provided with arc-shaped slopes.

Preferably, the top of the outer edge plate is provided with a positioning opening close to the side, and the two matching positioning openings form a positioning notch, and a positioning notch protrudes from the top of the bottom groove of the outer sleeve. Fitted positioning bumps.

Preferably, the side of the outer edge plate close to the adjacent aluminum alloy connecting pipe is symmetrically provided with a card slot, and the side of the two outer edge plates facing away from the adjacent aluminum alloy connecting pipe is respectively provided with a positioning groove and a positioning protrusion. block, the side of the slider is connected with a clamping block fit in the clamping groove, and the positioning groove is matched with the positioning protrusion.

Preferably, the fixing assembly includes extension lugs fixedly connected to both ends of the outer casing, fixing bolts screwed into the two extension lugs, and nuts for tightening the fixing bolts.

Preferably, the buffer member includes buffer grooves opened on both side walls of the bottom groove, a limit rod is fixed in the buffer groove, and a buffer spring in contact with the slider is sleeved on the outer side of the limit rod.

Preferably, the screw adjustment member includes a double-ended screw that is rotatably installed in a cylindrical groove, the double-ended screw runs through the positioning protrusion, and the two ends of the double-ended screw are threadedly adapted to the two sliders respectively, and the double-ended screw The ends of the screw rods are all fixedly connected with cylindrical rotary blocks.

Preferably, the tops of both sides of the outer casing are provided with side holes for placing cylindrical rotary blocks, and the openings of the side holes are filled with sealing plugs.

An aluminum alloy piping system, the aluminum alloy piping system comprising an aluminum alloy connecting pipe and an aluminum alloy piping connector;

At least one end of the aluminum alloy connecting pipe can be adapted to the inner sleeve assembly of the aluminum alloy pipe connector, and the outer sleeve of the aluminum alloy pipe connector can be connected to the connection between two aluminum alloy connecting pipes. part of the inner sleeve assembly.

Compared with the prior art, the present invention has the following advantages:

In the present invention, two outer sleeves and one set of inner sleeve assemblies are arranged, and each set of inner sleeve assemblies can connect two aluminum alloy connecting pipes, and the inner sleeve assembly and the aluminum alloy connecting pipe are covered by two outer pipe sleeves. On the outside, the two aluminum alloy connecting pipes are fixed by multiple mortise and tenon joints, which is convenient to connect and disassemble, and at the same time, the operation is simple and the stability after connection is high; and the outer sleeve is also equipped with an adjustment and inner sleeve assembly The mortise and tenon joint screw adjustment part and the buffer assembly that tightens the slider can also ensure the tightness of the mortise and tenon joint when the slider and the positioning protrusion are engaged with the inner sleeve assembly, and can also avoid In case the double-ended screw slips, the slider will be separated, which further improves the stability of the aluminum alloy pipeline system after connection.

Description of drawings

Fig. 1 is the structural representation of a kind of aluminum alloy pipeline connector that the present invention proposes;

Fig. 2 is a sectional view of an aluminum alloy piping system proposed by the present invention;

Fig. 3 is a disassembled cross-sectional view of an inner sleeve assembly of an aluminum alloy pipe connector proposed by the present invention;

Fig. 4 is a cross-sectional view of an outer sleeve of an aluminum alloy pipe connector proposed by the present invention;

Fig. 5 is an enlarged view of the structure at A in Fig. 4 of an aluminum alloy pipe connector proposed by the present invention;

Fig. 6 is a front view of an aluminum alloy pipe connector proposed by the present invention.

In the figure: 1. Aluminum alloy connecting pipe; 2. Outer sleeve; 3. Fixing component; 4. Inner sleeve assembly; 201. Fitting groove; 202. Connection cavity; 203. Cylindrical groove; 204. Double-ended screw; 205, slider; 206, buffer groove; 207, clamping block; 208, limit rod; 209, buffer spring; 210, bottom groove; 211, positioning protrusion; 212, side hole; 213, cylindrical rotary block; 214 , sealing plug; 31, fixing bolt; 32, extended ear plate; 33, nut; 41, first inner sleeve; 42, second inner sleeve; 43, outer edge plate; 401, inclined plane; 402, slot; 403, positioning opening; 404, positioning bump; 405, positioning groove.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.

In describing the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", " The orientation or positional relationship indicated by "outside", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, so as to Specific orientation configurations and operations, therefore, are not to be construed as limitations on the invention.

Referring to Fig. 1-2, an aluminum alloy pipe connector includes an inner sleeve assembly 4 inserted into the inner side of the aluminum alloy connecting pipe 1 and two outer sleeves 2 covering the outer side of the aluminum alloy connecting pipe 1;

An aluminum alloy pipeline system, comprising an aluminum alloy connecting pipe 1 and an aluminum alloy pipeline connector;

At least one end of the aluminum alloy connecting pipe 1 can be adapted to the inner sleeve assembly 4 of the aluminum alloy pipe connector, and the outer sleeve 2 of the aluminum alloy pipe connector can be connected to the inner sleeve assembly at the connecting part of two aluminum alloy connecting pipes 1. Pipe sleeve assembly 4.

Referring to Figures 3-4, the inner sleeve assembly 4 is composed of two first inner sleeves 41 and second inner sleeves 42 spliced with each other, and the first inner sleeve 41 and one end of the second inner pipe are anastomosed and inserted respectively The other end of the aluminum alloy connecting pipe 1 has a ring-shaped outer edge plate 43 extending outward. After the inner sleeve assembly 4 is spliced, it can connect the two aluminum alloy connecting pipes 2 from the inner side of the two aluminum alloy connecting pipes 1. stitching;

The two outer sleeves 2 are fixedly connected by the fixing assembly 3, and the preliminary fixing between the two outer sleeves 2 is completed. The inside of the two outer sleeves 2 is provided with a semi-circular fitting groove 201, and the two fitting grooves 201 forms a connection cavity 202 through which both ends are passed through and is used for the aluminum alloy connecting pipe 1 to pass through, so that the two outer sleeves 2 are fitted together and the interior is attached to the aluminum alloy connecting pipe 2 to improve the tightness of the connection. Bottom grooves 210 are formed in the middle of the top surface of the matching groove 201, and a placement cavity for placing the outer edge plate 43 is formed between the two bottom grooves 210, thereby covering the part of the inner sleeve assembly 4 exposed from the aluminum alloy connecting pipe 1, and The top of the outer edge plate 43 is in close contact with the top wall of the bottom groove 210. Both sides of each bottom groove 210 are provided with sliders 205 positioned and engaged with the outer edge plate 43, and the top of each bottom groove 210 is There is a screw adjuster for adjusting the movement of two sliders 205 at the same height, that is, each screw adjuster can drive two sliders 205 in an outer casing 2 to move, and the two side walls of each bottom groove 210 are provided with The buffer member elastically contacting adjacent sliders 205 can provide elastic support for the sliders 205 .

The ends of the first inner tube sleeve 41 and the second inner tube sleeve 42 extending into the aluminum alloy connecting pipe 1 are provided with an arc-shaped slope 401, which can avoid as much as possible when the material is circulated in the aluminum alloy connecting pipe 1. interference, and the part of the first inner sleeve 41 and the second inner sleeve 42 protruding into the aluminum alloy connecting pipe 1 can provide support for it from the inside of the aluminum alloy connecting pipe 1 to ensure that the two aluminum alloy connecting pipes 1 Stability and tightness when splicing.

The top of the outer edge plate 43 is provided with a positioning opening 403 close to the side, and the two positioning openings 403 that fit together form a positioning notch, and the middle of the top of the bottom groove 210 of the outer sleeve 2 protrudes with a hole that matches the positioning notch. The positioning protrusion 211, in the process of fitting the positioning protrusion 211 with the positioning notch, can position the positions of the two outer sleeves 2, so as to avoid the random placement of the two outer sleeves 2, and can also be positioned from the positioning protrusion. 211 and the adaptation of the positioning notch, the two outer edge plates 43 are combined together.

One side of the outer edge plate 43 close to the adjacent aluminum alloy connecting pipe 1 is symmetrically provided with a card slot 402, and the side of the two outer edge plates 43 facing away from the adjacent aluminum alloy connecting pipe 1 is respectively provided with a positioning groove 405 and a positioning groove. The fitting of the protrusion 404, the positioning groove 405 and the positioning protrusion 404 can ensure that the two positioning openings 403 are flush when the first inner sleeve 41 and the second inner sleeve 42 are spliced together, thereby facilitating the subsequent connection with the outer sleeve. 2, the side of the slider 205 is connected with a block 207 that fits in the slot 402. When the slider 205 moves, the block 207 can be inserted and fit in the slot 402, and the two outer edges The plate 43 is fixed from both sides.

The buffer member includes a buffer groove 206 opened on the two side walls of the bottom groove 210, and a limit rod 208 is fixed in the buffer groove 206. The limit rod 208 is perpendicular to the buffer groove 206 bottom wall, and the outer side of the limit rod 208 is covered with a slide block 205 is in contact with the buffer spring 209, and the limit rod 208 is mainly used to limit the buffer spring 209, so as to ensure that the buffer spring 209 rebounds and compresses along the limit rod 208, and the buffer spring 209 is initially in a compressed state as shown in the figure 4. During the movement of the slider 205, the buffer spring 209 is still in a compressed state until the clamping block 207 is inserted into the slot 402, and can be rebounded by the buffer spring 209 to act on the surface of the slider 205 to make the slider 205 The locking block 207 can fit in the locking slot 402 .

Referring to Fig. 4, the screw adjusting member includes a cylindrical groove 203 opened at the top of the bottom groove 210 and a double-ended screw 204 rotatably installed in the cylindrical groove 203, the double-ended screw 204 runs through the positioning protrusion 211, so that the double-ended screw 204 can Rotate in the positioning protrusion 211, the two ends of the double-ended screw 204 are threadedly adapted to the two sliders 205 respectively, and the ends of the double-ended screw 204 pass through the slider 205, so that when the double-ended screw 204 rotates, the two The slider 205 moves in the opposite direction, and the end of the double-ended screw 204 is fixedly connected with a cylindrical rotary block 213, and the surface of the cylindrical rotary block 213 is provided with a prismatic hole, so that the L-shaped wrench can be inserted into the cylindrical rotary block 213 Inside, and then drive the rotation of the double-ended screw 204.

Referring to Fig. 4-Fig. 5, the top of both sides of the outer sleeve 2 is provided with a side hole 212 for placing a cylindrical rotary block 213, and the cylindrical rotary block 213 rotates in the side hole 212, and at the opening of the side hole 212 Filled with a sealing plug 214, the sealing plug 214 mainly seals the side hole 212 to prevent dust or liquid from entering the side hole 212 to corrode the cylindrical rotary block 213 or affect its rotating function.

Referring to Fig. 6, the fixing assembly 3 includes an extension lug 32 fixedly connected to both ends of the outer sleeve 2, a fixing bolt 31 screwed into the two extension lugs 32, and a nut 33 for tightening the fixing bolt 31, which can be fixed by The adaptation of the bolt 31 and the nut 33 fixes the two outer sleeves 2 .

Working principle: When connecting and installing, first insert the first inner tube sleeve 41 and the second inner tube sleeve 42 into the two aluminum alloy connecting pipes 1, and then make the first inner tube sleeve 41 and the second inner tube sleeve 42 stick together and rotate the first inner sleeve 41 or the second inner sleeve 42 until the positioning protrusion 404 fits into the positioning groove 405, and the two positioning openings 403 fit together to form a positioning notch. At this time, the two The two ends of the outer sleeve 2 are respectively placed on the aluminum alloy connecting pipe 1, the middle of the two outer sleeves 2 is placed on the two spliced outer edge plates 43, and the two outer sleeves are rotated until the two outer sleeves The positioning protrusion 211 matches the positioning notch. At this time, use the fixing bolt 31 and the nut 33 to splice and fix the two outer casings. Finally, open the sealing plug 214 and insert it into the cross recess on the surface of the cylindrical rotary block 213 with an L-shaped wrench. In the groove, the cylindrical rotary block 213 is rotated, and the double-ended screw rod 204 is driven to rotate, and the double-ended screw rod 204 starts to rotate, driving the two sliders 205 to move in the direction of the outer edge plate 43 in the outer sleeve 2 until the two sliders 205 The clamping block 207 is inserted into the clamping groove 402 in the outer edge plate 43, and the buffer spring 209 is still in a compressed state at this time, and can also rebound the slider 205 by its own elasticity, so that the clamping block 207 fits in the clamping groove 402 The tighter, and finally the sealing plug 214 fills the side hole 212.

The above is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto, any person familiar with the technical field within the technical scope disclosed in the present invention, according to the technical solution of the present invention Any equivalent replacement or change of the inventive concepts thereof shall fall within the protection scope of the present invention.

Claims (9)

1. An aluminum alloy pipeline connecting piece is characterized by comprising an inner pipe sleeve component (4) which is inserted into the inner side of an aluminum alloy connecting pipe (1) in a matching way and two outer pipe sleeves (2) which are covered on the outer side of the aluminum alloy connecting pipe (1);

the inner pipe sleeve assembly (4) consists of two first inner pipe sleeves (41) and two second inner pipe sleeves (42) which are mutually spliced, one ends of the first inner pipe sleeves (41) and the second inner pipe are respectively anastomosed and inserted into the aluminum alloy connecting pipe (1), and an annular outer edge plate (43) is outwards extended at the other end of the first inner pipe sleeve and one end of the second inner pipe;

two by fixed subassembly (3) fixed connection between outer jacket (2), the inside of two outer jackets (2) all is equipped with semi-annular mating groove (201), forms connecting chamber (202) that both ends link up and are used for aluminium alloy connecting pipe (1) to pass between two mating grooves (201), all opens in the middle of the top surface of every mating groove (201) has kerve (210), two form between kerve (210) and place the chamber of placing of external flange board (43), every the both sides of kerve (210) all are equipped with slider (205) with external flange board (43) location joint, and the top of every kerve (210) all is equipped with the screw rod regulating part of adjusting same high two slider (205) removal, and the both sides wall of every kerve (210) all is equipped with the bolster with adjacent slider (205) elastic contact.

2. An aluminium alloy pipe connection according to claim 1, wherein the ends of the first inner tube sleeve (41) and the second inner tube sleeve (42) extending into the aluminium alloy connecting pipe (1) are provided with arc-shaped inclined surfaces (401).

3. An aluminum alloy pipe connecting piece according to claim 1, wherein a positioning opening (403) is formed in the position, close to the side edge, of the top of the outer edge plate (43), positioning notches are formed by the two positioning openings (403) which are attached, and a positioning protrusion (211) which is matched with the positioning notches is protruded in the middle of the top of the bottom groove (210) of the outer pipe sleeve (2).

4. The aluminum alloy pipe connecting piece according to claim 1, wherein clamping grooves (402) are symmetrically formed in one side surface, close to the adjacent aluminum alloy connecting pipe (1), of the outer edge plates (43), positioning grooves (405) and positioning protruding blocks (404) are respectively formed in one side surface, opposite to the adjacent aluminum alloy connecting pipe (1), of the two outer edge plates (43), clamping blocks (207) which are anastomosed in the clamping grooves (402) are connected to the side surface of the sliding block (205), and the positioning grooves (405) are matched with the positioning protruding blocks (404).

5. An aluminium alloy pipe connection according to claim 1, wherein the fixing assembly (3) comprises an extending lug plate (32) fixedly connected with both ends of the outer pipe sleeve (2), a fixing bolt (31) screwed on the two extending lug plates (32), and a nut (33) screwed on the fixing bolt (31).

6. An aluminum alloy pipe connecting piece according to claim 1, wherein the buffer piece comprises buffer grooves (206) formed on two side walls of a bottom groove (210), a limiting rod (208) is fixed in the buffer grooves (206), and a buffer spring (209) contacted with a sliding block (205) is sleeved outside the limiting rod (208).

7. An aluminium alloy pipe connection according to claim 3, wherein the screw adjusting member comprises a double-ended screw (204) rotatably mounted in the cylindrical groove (203), the double-ended screw (204) penetrates through the positioning protrusion (211), two ends of the double-ended screw (204) are respectively in threaded fit with the two sliding blocks (205), and the ends of the double-ended screw (204) are fixedly connected with cylindrical rotating blocks (213).

8. An aluminium alloy conduit connector according to claim 7, wherein the top of both sides of the outer jacket (2) is provided with side holes (212) for receiving cylindrical studs (213) and sealing plugs (214) are filled at the apertures of the side holes (212).

9. An aluminum alloy piping system, characterized in that: the aluminum alloy piping system comprises an aluminum alloy connecting pipe (1) and the aluminum alloy piping connection piece of any one of claims 1 to 8;

at least one end of the aluminum alloy connecting pipe (1) can be matched with an inner pipe sleeve component (4) of the aluminum alloy pipe connecting piece, and an outer pipe sleeve (2) of the aluminum alloy pipe connecting piece can be connected with the inner pipe sleeve component (4) at the connecting part of the two aluminum alloy connecting pipes (1).

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