CN115059819A

CN115059819A - Sealing element for aluminum alloy liquid conveying pipe

Info

Publication number: CN115059819A
Application number: CN202210989552.4A
Authority: CN
Inventors: 靳防震; 田红杰; 许春晓; 刁华; 张耀中
Original assignee: Jiangsu Lizhong New Material Technology Co ltd
Current assignee: Jiangsu Lizhong New Material Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2022-09-16
Anticipated expiration: 2042-08-18
Also published as: CN115059819B

Abstract

The invention provides a sealing piece for an aluminum alloy liquid conveying pipe, which belongs to the technical field of aluminum alloy liquid conveying and comprises a sealing connecting part and a heat preservation reinforcing part, wherein the sealing connecting part comprises a middle ring seat, the inner side of the middle ring seat is fixedly connected with an annular middle flat connection block, the left side and the right side of the middle flat connection block are respectively provided with an annular side flat connection block, the heat preservation reinforcing part comprises an annular heat preservation cover, the heat preservation cover covers the sealing connecting part and simultaneously tightly embraces two adjacent conveying pipes, and the left inner side wall and the right inner side wall of the heat preservation cover are respectively provided with a plurality of reinforcing pieces. This a sealing member for aluminium alloy liquid conveyer pipe has not only improved duct connections's leakproofness, can keep warm simultaneously to the junction of conveyer pipe and handle and at heat retaining in-process, hold closely spacing and consolidate sealing connection portion to the conveyer pipe, improve duct connections's stability, make the conveyer pipe can be stable for a long time carry aluminium alloy liquid, secondly still have the advantage that the dismouting is convenient and the dismouting degree of difficulty is low.

Description

Sealing element for aluminum alloy liquid conveying pipe

Technical Field

The invention relates to the technical field of aluminum alloy liquid conveying, in particular to a sealing element for an aluminum alloy liquid conveying pipe.

Background

The conveying process of aluminium alloy liquid has higher requirement on the leakproofness, and better leakproofness not only can completely cut off the air but also can prevent that aluminium alloy liquid is excessive, can also improve conveying process's heat preservation effect simultaneously, avoids aluminium alloy liquid to contact with the air at the in-process of carrying and takes place the oxidation or take place the solidification because of low temperature.

Aluminium alloy liquid mainly carries through the conveyer pipe, it is limited because of conveyer pipe transport length, so need be in the same place a plurality of duct connections, and influence one of the important factor that the conveyer pipe carried the leakproofness is the leakproofness of junction between the adjacent conveyer pipe, at present, the sealing connection mode of adjacent conveyer pipe mainly has two kinds, one kind is the welding, be in the same place adjacent conveyer pipe fixed connection through the welding, the leakproofness of this kind of mode is higher, but the conveyer pipe after the welding is difficult to dismantle, be not convenient for the maintenance and the change in later stage, another kind is flange joint, its advantage is convenient for dismantle, but the leakproofness is lower relatively, once aluminium alloy liquid exosmoses, then get into the junction of fastener and flange easily, in the time of overhauing, aluminium alloy liquid can increase the degree of difficulty of dismantling because of the low temperature solidification.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a sealing member for an aluminum alloy liquid delivery pipe, which is achieved by the following specific technical means: the heat-insulating and reinforcing part comprises an annular heat-insulating cover, the heat-insulating cover covers the sealing connecting part and the heat-insulating cover simultaneously embraces two adjacent conveying pipes, the heat preservation cover divide into half ring part and half ring part down, sliding connection is all about half ring part and half ring part down on the intermediate ring seat on, and the two links together through the fastener, all be provided with a plurality of reinforcements on the inside wall about the heat preservation cover, the reinforcement of both sides all along the loop line evenly distributed of heat preservation cover, and left reinforcement corresponds left adapter sleeve, the reinforcement on right side corresponds the adapter sleeve on right side, the reinforcement includes a plurality of arc pieces, a plurality of arc pieces distribute from top to bottom.

The first preferred technical scheme is as follows: the middle butt joint block is connected with an isolation ring plate, the isolation ring plate is distributed on the middle butt joint block in a bilateral symmetry mode, an area between the isolation ring plate and the middle ring seat is an installation area, the section of the fastening sleeve is L-shaped, one end of the fastening sleeve is inserted into the installation area, and the fastening piece penetrates through the installation area to connect the fastening sleeves on the left side and the right side together.

The preferred technical scheme is as follows: the inner side of the middle butt joint block is connected with an annular auxiliary connecting piece, and the inner side surface of the auxiliary connecting piece is arc-shaped.

The preferred technical scheme is three: the limiting columns are evenly connected to the surfaces, attached to the side butt joint blocks, of the fastening sleeves, and limiting grooves corresponding to the limiting columns are formed in the surfaces, attached to the side butt joint blocks, of the fastening sleeves.

The preferable technical scheme is four: all be connected with the slip telescopic link between last semi-ring portion and lower semi-ring portion and the intermediate ring seat, the slip telescopic link includes first slide bar and second slide bar, the spacing slip of second slide bar is pegged graft on the intermediate ring seat, the spacing slip of first slide bar is pegged graft on the second slide bar, and first slide bar rotates and pegs graft on corresponding last semi-ring portion and lower semi-ring portion, all be connected with two-way locating part between first slide bar and the second slide bar and between second slide bar and the intermediate ring seat, two-way locating part is including the spacing groove and the stopper of mutually supporting, the spacing groove has all been seted up on intermediate ring seat and the second slide bar inner wall, all install the stopper on first slide bar and the second slide bar outer wall, the spacing groove is the zigzag, the stopper slides and pegs graft in the spacing inslot that corresponds.

The preferred technical scheme is five: the middle ring seat is provided with a positioning groove, and the fastening sleeve is connected with a positioning block corresponding to the positioning groove.

The invention has the following beneficial effects: 1. this a sealing member for aluminium alloy liquid conveyer pipe passes through sealing connection portion and the combined action of heat preservation reinforcing portion, carry out sealing connection to adjacent conveyer pipe earlier, then it reinforces to keep warm to sealing connection department through heat preservation reinforcing portion again, duct connection's leakproofness has not only been improved, the while is to the junction of conveyer pipe heat preservation processing, and hold the conveyer pipe at heat retaining in-process and spacing and consolidate sealing connection portion, duct connection's stability is improved, make the conveyer pipe can be stable for a long time carry aluminium alloy liquid, secondly, still have the advantage that the dismouting is convenient and the dismouting degree of difficulty is low, through controlling sealing connection face not take place direct contact with the fastener, the condition of the increase of the dismantlement degree of difficulty because of aluminium alloy liquid exosmosis solidification in the dismantlement process has effectively been avoided.

2. This a sealing member for aluminium alloy liquid conveyer pipe passes through the installation region that the isolating ring board formed, will connect the fastener of adapter sleeve and the effectual separation of sealing connection face to changed sealing connection face's route, further improved adjacent duct connection's leakproofness and can effectively restrain the exosmosis of aluminium alloy liquid.

3. This a sealing member for aluminium alloy liquid conveyer pipe makes middle butt joint piece and the quick butt joint of side butt joint piece be in the same place through auxiliary connection spare, has effectively improved the efficiency and the convenience of duct connection installation.

4. This a sealing member for aluminium alloy liquid conveyer pipe not only controls the slip of half ring part and lower half ring part through the combined action of slip telescopic link and two-way locating part, and can be at adjacent conveyer pipe dismouting in-process, and the stable state to half ring part and lower half ring part is controlled, improves the convenience and the stability of conveyer pipe dismouting process, and has simple structure's advantage.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a first partial sectional structural view of the present invention.

Fig. 3 is a schematic diagram of the connection process of the present invention.

FIG. 4 is a second partial sectional structural view of the present invention.

Fig. 5 is an enlarged view of the invention at a in fig. 4.

FIG. 6 is a schematic view of the structure of the middle butt block, the side butt blocks and the fastening sleeve of the present invention.

Fig. 7 is a schematic structural diagram of a two-way limiting element according to the present invention.

FIG. 8 is a schematic structural view of a reinforcement member of the present invention.

FIG. 9 is a schematic view of the construction of the restraining post and restraining groove of the present invention.

In the figure: 1. a middle ring seat; 2. a middle butt joint block; 3. a side butt joint block; 4. a protrusion; 5. a groove; 6. fastening sleeves; 7. a heat-preserving cover; 71. an upper half-ring portion; 72. a lower half ring portion; 8. a reinforcement; 9. an isolation ring plate; 10. an auxiliary connecting member; 11. a restraining post; 12. a limiting groove; 13. sliding the telescopic rod; 131. a first slide bar; 132. a second slide bar; 141. a limiting groove; 142. a limiting block; 15. positioning a groove; 16. and (5) positioning the blocks.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, 2, 3, 4, 5, 6 and 8, a sealing member for an aluminum alloy liquid conveying pipe comprises a sealing connection part and a heat preservation reinforcing part, wherein the sealing connection part comprises a middle ring seat 1, an annular middle butt-joint block 2 is fixedly connected to the inner side of the middle ring seat 1, annular side butt-joint blocks 3 are respectively arranged at the left side and the right side of the middle butt-joint block 2, the side butt-joint blocks 3 are symmetrically distributed and fixedly connected to opposite end openings of adjacent conveying pipes respectively, annular protrusions 4 are respectively arranged on the left side and the right side of the middle butt-joint block 2, annular grooves 5 are respectively arranged on opposite sides of the side butt-joint blocks 3, the grooves 5 are matched with the corresponding protrusions 4, annular fastening sleeves 6 are respectively covered on the side butt-joint blocks 3, the fastening sleeves 6 are respectively sleeved on the adjacent conveying pipes in a sliding manner, the fastening sleeves 6 are symmetrically distributed and are respectively positioned at the opposite sides of the side butt-joint blocks 3, symmetrical fastening sleeves 6 are connected together through a fastening piece, the fastening piece passes through a middle butt joint block 2 but does not pass through a side butt joint block 3, a heat preservation reinforcing part comprises an annular heat preservation cover 7, the heat preservation cover 7 covers on a sealing connection part, the heat preservation cover 7 simultaneously embraces two adjacent conveying pipes tightly, a plurality of reinforcing pieces 8 are arranged on the left inner side wall and the right inner side wall of the heat preservation cover 7, the reinforcing pieces 8 on the two sides are uniformly distributed along the circular line of the heat preservation cover 7, the reinforcing piece 8 on the left side corresponds to the fastening sleeve 6 on the left side, the reinforcing piece 8 on the right side corresponds to the fastening sleeve 6 on the right side, the reinforcing piece 8 comprises a plurality of arc-shaped blocks, the arc-shaped blocks are distributed from top to bottom, in the process of connecting adjacent water pipes, the side butt joint blocks 3 on the left side and the right side and the middle butt joint block 2 are tightly pressed together through the fastening sleeves 6, as shown in figure 6, the fastening piece sequentially passes through the right side fastening sleeve 6, the middle butt joint block 2 and the left side fastening sleeve 6, the fastening sleeve 6 which is symmetrical left and right is fixedly connected with the middle flat joint block 2, in the connection process, along with the connection and tightening of the fastening sleeve 6, the side flat joint block 3 and the middle flat joint block 2 are tightly pressed together to form a linear type sealing connection surface which is not in direct contact with a fastening piece between the fastening sleeve 6, so that the connection tightness is improved, meanwhile, the phenomenon that aluminum alloy liquid seeps into the connection part of the fastening piece to be solidified to increase the disassembly difficulty is effectively avoided, secondly, when the side flat joint block 3 and the middle flat joint block 2 are tightly pressed together, the corresponding bulges 4 are embedded in the corresponding grooves 5, the tightness of the sealing connection surface is further improved, then, the sealing connection part is covered on the sealing connection part through the heat insulation cover 7 to form a secondary sealing space, so that the sealing connection part is isolated from the external environment, and meanwhile, the heat insulation cover 7 is used for holding and limiting the adjacent conveying pipes, the stability of the two connection state has been improved, secondly through the stability that the reinforcing piece 8 on it consolidates sealing connection portion and connects, as shown in fig. 8, reinforcing piece 8 makes the reinforced tight even effect of power of supporting on adapter sleeve 6 along the pitch arc evenly distributed of heat preservation cover 7, and then makes the stable state of being in the connection of adapter sleeve 6, has further improved conveyer pipe sealing connection's stability, and wherein, arch 4 is the sealing member, because of aluminium alloy liquid temperature is higher, so the sealing member is high temperature resistant material.

Referring to fig. 1, the heat-insulating cover 7 is divided into an upper half-ring portion 71 and a lower half-ring portion 72, the upper half-ring portion 71 and the lower half-ring portion 72 are slidably connected to the middle ring base 1 up and down and are connected together by a fastening member, and after the fastening sleeves 6 are connected together, the upper half-ring portion 71 and the lower half-ring portion 72 are fixedly connected together by the fastening member.

Referring to fig. 3 and 6, the middle butt-joint block 2 is connected with an isolation ring plate 9, the isolation ring plate 9 is symmetrically distributed on the middle butt-joint block 2, the area between the isolation ring plate 9 and the middle ring seat 1 is an installation area, the cross section of the fastening sleeve 6 is in an L shape, one end of the fastening sleeve 6 is inserted into the installation area, and the fastening piece traverses the installation area to connect the fastening sleeves 6 on the left side and the right side together, as shown in fig. 6, the isolation ring plate 9 further isolates the fastening piece connected with the fastening sleeve 6 from the sealing connection surface, and simultaneously changes the path of the sealing connection surface, so that the originally linear sealing connection surface is converted into the bent sealing connection surface, further improves the sealing performance of the adjacent conveying pipe connection and can effectively inhibit the external seepage of aluminum alloy liquid.

Referring to fig. 2, 3 and 5, the inner side of the middle butt-joint block 2 is connected with an annular auxiliary connecting piece 10, the inner side of the auxiliary connecting piece 10 is arc-shaped, as shown in fig. 4 and 5, in the process of connecting adjacent conveying pipes, the auxiliary connecting piece 10 is firstly inserted into the conveying pipes, so that the conveying pipes are accurately in a butt-joint state, then the middle butt-joint block 2 and the side butt-joint blocks 3 are tightly pressed together through the fastening sleeves 6, the connecting speed and the convenience of the conveying pipes are effectively improved, the inner side is arc-shaped, and the resistance of the auxiliary connecting piece 10 to aluminum alloy liquid in the conveying process can be reduced.

Referring to fig. 9, the surfaces of the fastening sleeve 6 and the side butt joint blocks 3 are uniformly connected with the limiting columns 11, the surfaces of the fastening sleeve 6 and the side butt joint blocks 3 are provided with the limiting grooves 12 corresponding to the limiting columns 11, and in the process of connecting adjacent conveying pipes, the limiting columns 11 are inserted into the corresponding limiting grooves 12, so that the fastening sleeve 6 and the corresponding side butt joint blocks 3 are stably connected together, and the connection stability of the fastening sleeve 6 and the corresponding side butt joint blocks is improved.

Referring to fig. 3, 4, 6 and 7, a sliding telescopic rod 13 is connected between the upper half ring part 71 and the lower half ring part 72 and the middle ring seat 1, the sliding telescopic rod 13 includes a first sliding rod 131 and a second sliding rod 132, the second sliding rod 132 is inserted into the middle ring seat 1 in a limiting and sliding manner, the first sliding rod 131 is inserted into the second sliding rod 132 in a limiting and sliding manner, the first sliding rod 131 is inserted into the corresponding upper half ring part 71 and the lower half ring part 72 in a rotating manner, two-way limiting members are connected between the first sliding rod 131 and the second sliding rod 132 and between the second sliding rod 132 and the middle ring seat 1, the two-way limiting members include a limiting groove 141 and a limiting block 142 which are matched with each other, the inner walls of the middle ring seat 1 and the second sliding rod 132 are both provided with a limiting groove 141, the outer walls of the first sliding rod 131 and the second sliding rod 132 are both provided with a limiting block 142, the limiting groove 141 is in a zigzag shape, the limit blocks 142 are slidably inserted into the corresponding limit grooves 141, in the process of fixedly connecting the upper half-ring part 71 and the lower half-ring part 72 together, the first sliding rod 131 slides towards the second sliding rod 132, the second sliding rod 132 slides towards the middle ring seat 1, so that the corresponding upper half-ring part 71 and the corresponding lower half-ring part 72 slide towards the middle ring seat 1 until the upper half-ring part 71 and the lower half-ring part 72 form a closed ring shape, then the first sliding rod 131 is rotated, so that the limit blocks 142 thereon rotate in the limit grooves 141, as shown in the lower view in fig. 7, the limit blocks 142 rotate to the horizontal limit region along the vertical region of the zigzag limit grooves 141, at this time, the first sliding rod 131 can be vertically limited, and then the first sliding rod 131 is continuously rotated, the first sliding rod 131 drives the second sliding rod 132 to rotate, and similarly, the second sliding rod 132 drives the limit blocks 142 thereon to slide in the corresponding zigzag limit regions 141 to the horizontal limit regions The first sliding rod 131 is vertically limited to enable the upper half-ring part 71 and the lower half-ring part 72 to be stably in a closed state, then the two parts are fixedly connected together by a fastener, so that the stability of the connection state of the upper half-ring part 71 and the lower half-ring part 72 is improved, and the convenience of the connection process of the conveying pipe is also improved, when the conveying pipe needs to be disassembled, overhauled or replaced, the fastener between the upper half-ring part 71 and the lower half-ring part 72 is firstly removed, then the first sliding rod 131 is reversely rotated, then the first sliding rod 131 is outwards pulled to enable the corresponding upper half-ring part 71 and lower half-ring part 72 to slide in a direction far away from the middle ring seat 1 until the corresponding upper half-ring part slides to a preset position and stops sliding, then the first sliding rod 131 is rotated, as shown in the upper view of fig. 7, the limiting block 142 slides to the corresponding horizontal limiting area of the Z-shaped limiting groove 141, carry on spacingly to first slide bar 131 and second slide bar 132, fix last semi-ring part 71 and lower semi-ring part 72 in current position, then, demolish the fastener of connecting between adapter sleeve 6, can accomplish the dismantlement of conveyer pipe, whole dismantlement process has higher convenience and stability, and can effectively avoid aluminium alloy liquid to ooze the solidification and increase the emergence of dismantling the degree of difficulty condition.

Referring to fig. 3, the positioning groove 15 is formed in the middle ring seat 1, the fastening sleeve 6 is connected with the positioning block 16 corresponding to the positioning groove 15, the positioning block 16 and the positioning groove 15 are aligned and inserted together in the process of connecting adjacent conveying pipes, so that the fastening groove in the fastening sleeve 6 is aligned with the fastening groove in the middle butt joint block 2, and the fastening piece can conveniently penetrate through the fastening groove in the fastening sleeve 6 and the fastening groove in the middle butt joint block 2 in sequence to enable the fastening sleeve 6 to be quickly and accurately connected with the middle butt joint block 2.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A seal for an aluminum alloy liquid delivery tube, characterized by: comprises a sealing connection part and a heat preservation reinforcing part, the sealing connection part comprises a middle ring seat (1), the inner side of the middle ring seat (1) is fixedly connected with an annular middle flat joint block (2), the left side and the right side of the middle flat joint block (2) are respectively provided with an annular side flat joint block (3), the side flat joint blocks (3) are symmetrically distributed and are respectively and fixedly connected with opposite port parts of adjacent conveying pipes, the left side and the right side of the middle flat joint block (2) are respectively provided with an annular bulge (4), the opposite sides of the side flat joint blocks (3) are respectively provided with an annular groove (5), the grooves (5) are matched with the corresponding bulges (4), the side flat joint blocks (3) are respectively covered with an annular fastening sleeve (6), the fastening sleeves (6) are symmetrically distributed and are respectively positioned on the opposite sides of the side flat joint blocks (3), the symmetrical fastening sleeves (6) are connected together through fasteners, the fastener passes through the middle butt joint block (2) but does not pass through the side butt joint blocks (3);

the heat preservation reinforcement portion includes annular heat preservation cover (7), heat preservation cover (7) cover is on sealing connection portion and heat preservation cover (7) hold two adjacent conveyer pipes tightly simultaneously, heat preservation cover (7) divide into first semi-ring portion (71) and lower semi-ring portion (72), sliding connection is on middle ring seat (1) about first semi-ring portion (71) and lower semi-ring portion (72) are equal, and the two links together through the fastener, all be provided with a plurality of reinforcements (8) on the inside wall about heat preservation cover (7), the reinforcement (8) of both sides all along the circular line evenly distributed of heat preservation cover (7), and left reinforcement (8) correspond left adapter sleeve (6), reinforcement (8) on right side correspond adapter sleeve (6) on right side, reinforcement (8) include a plurality of arc pieces, a plurality of arc pieces distribute from top to bottom.

2. A seal for aluminium alloy liquid conveying pipes according to claim 1, characterized in that: middle tie-in block (2) are connected with spacer ring board (9), and spacer ring board (9) bilateral symmetry distributes on middle tie-in block (2), and the region between spacer ring board (9) and middle ring seat (1) is the installation region, and the section of adapter sleeve (6) is L form, and the one end of adapter sleeve (6) is inserted in the installation region, and the fastener crosses the installation region and links together adapter sleeve (6) of left and right sides.

3. A seal for aluminium alloy liquid conveying pipes according to claim 1, characterized in that: the inner side of the middle butt joint block (2) is connected with an annular auxiliary connecting piece (10), and the inner side surface of the auxiliary connecting piece (10) is arc-shaped.

4. A seal for aluminium alloy liquid conveying pipes according to claim 1, characterized in that: the surface of the fastening sleeve (6) attached to the side butt joint block (3) is uniformly connected with a limiting column (11), and the surface of the side butt joint block (3) attached to the fastening sleeve is provided with a limiting groove (12) corresponding to the limiting column (11).

5. A seal for aluminium alloy liquid conveying pipes according to claim 1, characterized in that: sliding telescopic rods (13) are connected between the upper half ring part (71), the lower half ring part (72) and the middle ring seat (1), each sliding telescopic rod (13) comprises a first sliding rod (131) and a second sliding rod (132), each second sliding rod (132) is inserted in the middle ring seat (1) in a limiting sliding mode, each first sliding rod (131) is inserted in the corresponding second sliding rod (132) in a limiting sliding mode, each first sliding rod (131) is inserted in the corresponding upper half ring part (71) and the corresponding lower half ring part (72) in a rotating mode, each two-way limiting part is connected between each first sliding rod (131) and each second sliding rod (132) and between each second sliding rod (132) and the corresponding middle ring seat (1) in a rotating mode and comprises a limiting groove (141) and a limiting block (142) which are matched with each other, and limiting grooves (141) are formed in the inner walls of the middle ring seat (1) and the second sliding rods (132), the outer walls of the first sliding rod (131) and the second sliding rod (132) are respectively provided with a limiting block (142), the limiting grooves (141) are Z-shaped, and the limiting blocks (142) are inserted in the corresponding limiting grooves (141) in a sliding mode.

6. A seal for aluminium alloy liquid transport pipes according to claim 1 or 2, characterized in that: the middle ring seat (1) is provided with a positioning groove (15), and the fastening sleeve (6) is connected with a positioning block (16) corresponding to the positioning groove (15).