CN208331538U - A kind of dismountable pressure resistance bellows - Google Patents

A kind of dismountable pressure resistance bellows Download PDF

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Publication number
CN208331538U
CN208331538U CN201820932214.6U CN201820932214U CN208331538U CN 208331538 U CN208331538 U CN 208331538U CN 201820932214 U CN201820932214 U CN 201820932214U CN 208331538 U CN208331538 U CN 208331538U
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China
Prior art keywords
connector
pressure resistance
pull rod
sealing ring
inside spin
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CN201820932214.6U
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闵鑫
赵国兴
刘国全
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Chongzhou Minjiang Plastic Co Ltd
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Chongzhou Minjiang Plastic Co Ltd
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Abstract

The utility model discloses a kind of dismountable pressure resistance bellows, the outer pipe, the pipe and the inner pipe set gradually including ecto-entad, the middle pipe outer helical is surrounded with helical mount, the helical mount both ends are equipped with inside spin frame, the inside spin is erected between the outer tube and inner tube, and baffler is equipped between the adjacent inside spin frame;Releasing layer is equipped between the middle pipe and inner tube, the releasing layer is made of resistance to compression material;The both ends of the pressure resistance bellows are separately installed with the first connector and the second connector, and sliding block is equipped on first connector, and the slider bottom is provided with groove, and the groove inner cavity top is equipped with spring, and the spring bottom is equipped with pulley.The utility model is designed reasonably, structure is simple, facilitates the fixed disassembly of installation, and buffer capacity is good, and anti-pressure ability is strong, and when placement is capable of fixing again, avoids security risk, should be widely promoted.

Description

A kind of dismountable pressure resistance bellows
Technical field
The utility model relates to pipe technology field, especially a kind of dismountable pressure resistance bellows.
Background technique
Corrugated pipe is appropriate amount of addition agent to be added, through extrusion molding, application is more and more wider using polyvinyl resin as primary raw material It is general, gradually apply to building, communication, agricultural.Have many advantages, such as that light-weight, resistance is small, compression strength is high, easy for construction, It is the ideal material for replacing cast iron pipe and Cement Concrete pipe.Existing bellows has the disadvantage in that first, integral strength is poor, It is squeezed and is easy to produce rupture, and high spot is used for a long time and is easy to be greatly reduced by extraneous abrasion using the longevity later Life;Second, bellows is due to reasons in structure, ring stiffness is relatively low, and critical external compressive resistance load capacity is relatively poor, and tubing is easy to happen change Shape;Third, tubing needs to install pipe pillow additional during installation, and allowing it to fixation, (round tube is in layer stackup because bellows is circular configuration It when putting, is such as rested the head on withouyt external for rectangular pipe, tubing will roll, and cause security risk);Fourth, pipeline inconvenience is dismantled, no Conducive to maintenance.Therefore, we are badly in need of a kind of dismountable pressure resistance bellows.
Utility model content
To solve problems of the prior art, the utility model provides a kind of dismountable pressure resistance bellows.
The technical solution adopted in the utility model is:
A kind of dismountable pressure resistance bellows, including the outer pipe, the pipe and the inner pipe that ecto-entad is set gradually, the outer tube Both ends are in octagon, and the middle pipe and inner tube are rounded, and the middle pipe outer helical is surrounded with helical mount, the helical mount Both ends are equipped with inside spin frame, and the inside spin is erected between the outer tube and inner tube, and between the adjacent inside spin frame Equipped with baffler;Releasing layer is equipped between the middle pipe and inner tube, the releasing layer is made of resistance to compression material;The pressure resistance bellows Both ends be separately installed with the first connector and the second connector, sliding block is installed, the slider bottom is provided on first connector Groove, the groove inner cavity top are equipped with spring, and the spring bottom is equipped with pulley;The first connector middle part and second Screw hole is offered in the middle part of connector, first connector inner cavity is equipped with the first sealing ring, and first joint edges are provided with convex Sealing ring is played, second connector offers the sliding slot matched with the sliding block, and it is close that second connector inner cavity is equipped with second Seal, the sliding slot offer limiting slot close to the side of second sealing ring, second joint edges be equipped with it is described The concave sealing ring that raised sealing ring matches.
When in use, to prevent middle pipe pressure-rupturable, when helical mount stress generates deformation, the inside spin of two sides can be passed through Frame offsets stress, and when outer tube stress, inside spin frame generates deformation, offsets stress, buffer capacity to contract by helical mount By force, in entire loading process, stress suffered by middle pipe is almost offset by relatively parallel helical mount and inside spin frame, thus by Power is smaller, so that bellows anti-pressure ability is strong, is not easily broken, long service life;And outer tube both ends are arranged to octagon knot Structure substantially increases the fixed effect of bellows, prevents from rolling generation security risk when placing, set between middle pipe and inner tube Releasing layer is set, increases compression-resistant material in releasing layer, can be very good protection inner tube, guarantee that inner tube is not influenced by external force, avoid Inner tube caused by external force because damaging;First connector is installed, right side is equipped with the second connector, on the left of the pressure resistance bellows Sliding block is installed, slider bottom is provided with groove, is equipped with spring in groove inner cavity top, spring bottom is equipped with cunning on one connector Wheel, the second connector is provided with the sliding slot matched in sliding block, and sliding slot offers limiting slot close to the side of the second sealing ring, the The inner cavity of one connector is provided with the first sealing ring, and the edge of the first connector is provided with raised sealing ring, the inner cavity of the second connector It is provided with the second sealing ring, the edge of the second connector is provided with the concave sealing ring matched with raised sealing ring, when a resistance to compression When bellows is connected with another pressure resistance bellows, raised sealing ring just enters concave sealing ring, and two root canal roads pass through sliding block It being connected with sliding slot, when pipeline turns right, when sliding block reaches the limiting slot of sliding slot, the pulley of groove inner cavity is popped up by spring, Pulley is caught in limiting slot by arc-shaped side, reaches the right-angle side of limiting slot, and the first sealing ring and the second sealing ring are seamless state, At this point, filling in fastening screw by screw hole, pipeline is fastened, it, can be by dismantling fastening screw when needing to dismantle, pipeline is to the left Rotation, sliding block enter groove by extruding shrinkage band movable pulley by the arc-shaped side of limiting slot, spring, then repair or Replacement.Rationally, structure is simple for utility model design, facilitates the fixed disassembly of installation, and buffer capacity is good, anti-pressure ability is strong, puts It is capable of fixing again when setting, avoids security risk, should be widely promoted.
It preferably, further include the compensation component being located on the outside of the outer tube, the compensation component includes the first pull rod and the Two pull rods, first pull rod are secured with nuts above first connector, and second pull rod is secured with nuts described Above second connector, and runner being connected between the first pull rod and the second pull rod and is inserted into the runner respectively, the runner is set There is the first jack, first pull rod and the second pull rod are equipped with the second jack corresponding with first jack.
When in use, the first connector and the second connector are connected to the both ends of bellows first, then by the first pull rod and One end of second pull rod is secured with nuts respectively on the first connector and the second connector, then by the another of the first pull rod and the second pull rod One end is inserted into runner, and passes through the first jack and the second jack with bolt, and consolidating for the first pull rod and the second pull rod can be completed Fixed, bellows can absorb the angular displacement in a plane and can bear the pressure and thrust of angular displacement at this time.
Preferably, the releasing layer with a thickness of 5cm-7cm.The thickness of releasing layer should not be excessively also unsuitable very few, excessively Then waste material, it is excessively few not have the effect released stress then, as more optimal solution, releasing layer with a thickness of 6cm, can be very Good protection inner tube guarantees that inner tube is not influenced by external force, avoids inner tube because external force damages.
Preferably, said inner tube inner wall smooth.It sets smooth for inner tube wall, the flow velocity of sewage can be increased, meanwhile, The phenomenon that will not causing line clogging because there is residue on inner tube wall.
Preferably, the section of the helical mount and inside spin frame is in arc-shaped.Circular arc has buffer function, by external force When, effect of resist compression is good.
Preferably, the height of the helical mount is less than the height at outer tube both ends.It is and outer so that bellows is when stacking layer by layer The base surface on boundary is that can play good fixed function in octagonal outer tube both ends.
Preferably, filled layer is equipped between the helical mount, inside spin frame and the middle pipe.Filled layer buffer capacity By force, middle pipe and inner tube can be effectively protected.
Preferably, the filled layer is foam.Foam buffer capacity is strong, at low cost, and economic adaptability is strong.
Preferably, the junction section of the helical mount and inside spin frame is in arc-shaped.Circular arc has buffer function, by When external force, effect of resist compression is good.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, when in use, to prevent middle pipe pressure-rupturable, when helical mount stress generates deformation, the interior spiral shell of two sides can be passed through Swing frame offsets stress, and when outer tube stress, inside spin frame generates deformation, offsets stress, buffer capacity to contract by helical mount Power is strong, and in entire loading process, stress suffered by middle pipe is almost offset by relatively parallel helical mount and inside spin frame, thus Stress is smaller, so that bellows anti-pressure ability is strong, is not easily broken, long service life;And outer tube both ends are arranged to octagon Structure substantially increases the fixed effect of bellows, prevents from rolling generation security risk when placing, between middle pipe and inner tube Releasing layer is set, increases compression-resistant material in releasing layer, can be very good protection inner tube, guarantee that inner tube is not influenced by external force, avoid Inner tube caused by external force because damaging;First connector is installed on the left of the pressure resistance bellows, right side is equipped with the second connector, Sliding block is installed, slider bottom is provided with groove, is equipped with spring in groove inner cavity top, spring bottom is equipped on the first connector Pulley, the second connector are provided with the sliding slot matched in sliding block, and sliding slot offers limiting slot close to the side of the second sealing ring, The inner cavity of first connector is provided with the first sealing ring, and the edge of the first connector is provided with raised sealing ring, the second connector it is interior Chamber is provided with the second sealing ring, and the edge of the second connector is provided with the concave sealing ring matched with raised sealing ring, works as primary antibody When pressure bellows is connected with another pressure resistance bellows, raised sealing ring just enters concave sealing ring, and two root canal roads pass through cunning Block is connected with sliding slot, and when pipeline turns right, when sliding block reaches the limiting slot of sliding slot, the pulley of groove inner cavity passes through spring bullet Out, pulley is caught in limiting slot by arc-shaped side, reaches the right-angle side of limiting slot, and the first sealing ring and the second sealing ring are no gap-like State fastens pipeline at this point, filling in fastening screw by screw hole, when needing to dismantle, can by dismantling fastening screw, pipeline to Turn left dynamic, sliding block enters groove by extruding shrinkage band movable pulley by the arc-shaped side of limiting slot, spring, then repair or Person's replacement.Rationally, structure is simple for utility model design, facilitates the fixed disassembly of installation, and buffer capacity is good, and anti-pressure ability is strong, It is capable of fixing again when placement, avoids security risk, should be widely promoted.
2, when in use, the first connector and the second connector are connected to the both ends of bellows first, then by the first pull rod It is secured with nuts on the first connector and the second connector respectively with one end of the second pull rod, then by the first pull rod and the second pull rod The other end is inserted into runner, and passes through the first jack and the second jack with bolt, and the first pull rod and the second pull rod can be completed Fixed, bellows can absorb the angular displacement in a plane and can bear the pressure and thrust of angular displacement at this time.
3, the releasing layer with a thickness of 5cm-7cm.The thickness of releasing layer should not be excessively also unsuitable very few, excessively then wastes Material, it is excessively few not have the effect released stress then, as more optimal solution, releasing layer with a thickness of 6cm, can be very good to protect Inner tube is protected, guarantees that inner tube is not influenced by external force, avoids inner tube because external force damages.
4, said inner tube inner wall smooth.It sets smooth for inner tube wall, the flow velocity of sewage can be increased, meanwhile, inner tube The phenomenon that will not causing line clogging because there is residue on inner wall.
5, the section of the helical mount and inside spin frame is in arc-shaped.Circular arc has buffer function, when by external force, resists Press effect good.
6, the height of the helical mount is less than the height at outer tube both ends.It is and extraneous so that bellows is when stacking layer by layer Base surface is that can play good fixed function in octagonal outer tube both ends.
7, filled layer is equipped between the helical mount, inside spin frame and the middle pipe.Filled layer buffer capacity is strong, can have Pipe and inner tube in the protection of effect.
8, the filled layer is foam.Foam buffer capacity is strong, at low cost, and economic adaptability is strong.
9, the junction section of the helical mount and inside spin frame is in arc-shaped.Circular arc has buffer function, by external force When, effect of resist compression is good.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment;
Fig. 2 is the a-a cross-sectional view of Fig. 1;
Fig. 3 is the structural schematic diagram of the first connector in the utility model embodiment;
Fig. 4 is the structural schematic diagram of the second connector in the utility model embodiment;
Fig. 5 is the structural schematic diagram of sliding slot in the utility model embodiment;
Fig. 6 is the structural schematic diagram of sliding block in the utility model embodiment;
Fig. 7 is the partial cutaway schematic of the utility model embodiment middle external tube, middle pipe and inner tube;
Fig. 8 is the schematic diagram that angular displacement occurs for the utility model embodiment;
The reference numerals are as follows:
1, outer tube;It is managed in 2;21, helical mount;22, inside spin frame;23, baffler;24, filled layer;3, inner tube;4, it discharges Layer;5, compensation component;51, the first pull rod;52 second pull rods;53, runner;61, the first connector;62, the second connector;63, sliding block; 631, groove;632, spring;633, pulley;64, screw hole;65, the first sealing ring;66, raised sealing ring;67, sliding slot;671, it limits Position slot;68, the second sealing ring;69, concave sealing ring.
Specific embodiment
The embodiments of the present invention are described in detail with reference to the accompanying drawing.
Embodiment:
In one of the embodiments, as shown in figures 1-8, a kind of dismountable pressure resistance bellows, including ecto-entad according to Outer tube 1, middle pipe 2 and the inner tube 3 of secondary setting, 1 both ends of outer tube are in octagon, and the middle pipe 2 and inner tube 3 are rounded, 2 outer helical of middle pipe is surrounded with helical mount 21, and 21 both ends of helical mount are equipped with inside spin frame 22, the inside spin frame 22 are located between the outer tube 1 and middle pipe 2, and baffler 23 is equipped between the adjacent inside spin frame 22;The middle pipe 2 with it is interior Releasing layer 4 is equipped between pipe 3, the releasing layer 4 is made of resistance to compression material;The both ends of the pressure resistance bellows are separately installed with first Connector 61 and the second connector 62 are equipped with sliding block 63 on first connector 61, and 63 bottom of sliding block is provided with groove 631, institute It states 631 inner cavity top of groove and spring 632 is installed, 632 bottom of spring is equipped with pulley 633;In first connector 61 Portion and the middle part of the second connector 62 offer screw hole 64, and 61 inner cavity of the first connector is equipped with the first sealing ring 65, and described first 61 edge of connector is provided with raised sealing ring 66, and second connector 62 offers the sliding slot 67 matched with the sliding block 63, Second connector, 62 inner cavity is equipped with the second sealing ring 68, and the sliding slot 67 is offered close to the side of second sealing ring 68 Limiting slot 671,62 edge of the second connector are equipped with the concave sealing ring 69 matched with the raised sealing ring 66.
It when in use,, can be by two sides when 21 stress of helical mount generates deformation to prevent middle 2 pressure-rupturable of pipe Helical mount 22 offsets stress, and when 1 stress of outer tube, inside spin frame 22 generates deformation, is answered by helical mount 21 to contract counteracting Power, buffer capacity is strong, and in entire loading process, stress suffered by middle pipe 2 is almost by relatively parallel helical mount 21 and interior spiral shell Swing frame 22 is offset, so that stress is smaller, so that bellows anti-pressure ability is strong, is not easily broken, long service life;And by 1 liang of outer tube End is arranged to octagon structure, substantially increases the fixed effect of bellows, prevents from rolling generation security risk when placing, Releasing layer 4 is set between middle pipe 2 and inner tube 3, increases compression-resistant material in releasing layer 4, can be very good protection inner tube 3, guarantee Inner tube 3 is not influenced by external force, avoids inner tube 3 because of damage caused by external force;First is equipped on the left of the pressure resistance bellows to connect First 61, right side is equipped with the second connector 62, and sliding block 63 is equipped on the first connector 61, and 63 bottom of sliding block is provided with groove 631, 631 inner cavity top of groove is equipped with spring 632, and 632 bottom of spring is equipped with pulley 633, and the second connector 62 is provided in sliding block 63 sliding slots 67 matched, sliding slot 67 offer limiting slot 671 close to the side of the second sealing ring 68, in the first connector 61 Chamber is provided with the first sealing ring 65, the edge of the first connector 61 is provided with raised sealing ring 66, the inner cavity of the second connector 62 is set It is equipped with the second sealing ring 68, the edge of the second connector 62 is provided with the concave sealing ring 69 matched with raised sealing ring 66, when When one pressure resistance bellows are connected with another pressure resistance bellows, raised sealing ring 66 just enters concave sealing ring 69, two root canals Road is connected by sliding block 63 and sliding slot 67, when pipeline turns right, when sliding block 63 reaches the limiting slot 671 of sliding slot 67, and groove 631 The pulley 633 of inner cavity is popped up by spring 632, and pulley 633 is caught in limiting slot 671 by arc-shaped side, reaches the straight of limiting slot 671 The arm of angle, the first sealing ring 65 and the second sealing ring 68 are seamless state, at this point, filling in fastening screw, fastener tube by screw hole 64 Road can be by dismantling fastening screw when needing to dismantle, and pipeline turns left, and sliding block 63 passes through the arc-shaped side of limiting slot 671, Spring 632 enters groove 631 by squeezing shrinkage band movable pulley 633, then repairs or replaces.Utility model design Rationally, structure is simple, facilitates the fixed disassembly of installation, and buffer capacity is good, and anti-pressure ability is strong, and when placement is capable of fixing again, avoids Security risk should be widely promoted.
It in another embodiment, further include the compensation component 5 for being located at 1 outside of outer tube, the compensation component 5 is wrapped The first pull rod 51 and the second pull rod 52 are included, first pull rod 51 is secured with nuts above first connector 61, and described Two pull rods 52 are secured with nuts above second connector 62, and are connected with runner 53 between the first pull rod 51 and the second pull rod 52 And be inserted into the runner 53 respectively, the runner 53 is equipped with the first jack, sets on first pull rod 51 and the second pull rod 52 There is the second jack corresponding with first jack.
When in use, the first connector 61 and the second connector 62 are connected to the both ends of bellows first, then drawn first One end of bar 51 and the second pull rod 52 is secured with nuts respectively on the first connector 61 and the second connector 62, then by the first pull rod 51 In the other end insertion runner 53 of the second pull rod 52, and the first jack and the second jack are passed through with bolt, can be completed first The fixation of pull rod 51 and the second pull rod 52, bellows can absorb the angular displacement in a plane and can bear the pressure of angular displacement at this time Power and thrust.
In another embodiment, the releasing layer 4 with a thickness of 5cm-7cm.The thickness of releasing layer 4 should not be excessively It is unsuitable very few, material is excessively then wasted, it is excessively few not have the effect released stress then, as more optimal solution, the thickness of releasing layer 4 Degree is 6cm, can be very good protection inner tube 3, guarantees that inner tube 3 is not influenced by external force, avoids inner tube 3 because external force damages.
In another embodiment, 3 inner wall smooth of said inner tube.It sets smooth for 3 inner wall of inner tube, dirt can be increased The flow velocity of water, meanwhile, the phenomenon that line clogging will not be caused because there is residue on 3 inner wall of inner tube.
In another embodiment, the section of the helical mount 21 and inside spin frame 22 is in arc-shaped.Circular arc has Buffer function, when by external force, effect of resist compression is good.
In another embodiment, the height of the helical mount 21 is less than the height at 1 both ends of outer tube.So that bellows exists It is that can play good fixed function in octagonal 1 both ends of outer tube with extraneous base surface when stacking layer by layer.
In another embodiment, filled layer is equipped between the helical mount 21, inside spin frame 22 and the middle pipe 2 24.24 buffer capacity of filled layer is strong, and middle pipe 2 and inner tube 3 can be effectively protected.
In another embodiment, the filled layer 24 is foam.Foam buffer capacity is strong, at low cost, Economic adaptability is strong.
In another embodiment, the junction section of the helical mount 21 and inside spin frame 22 is in arc-shaped.Circular arc With buffer function, when by external force, effect of resist compression is good.
Specific embodiment of the present utility model above described embodiment only expresses, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the protection scope of the utility model.

Claims (9)

1. a kind of dismountable pressure resistance bellows, it is characterised in that: the outer tube that is set gradually including ecto-entad, middle pipe and interior Pipe, the outer tube both ends are in octagon, and the middle pipe and inner tube are rounded, and the middle pipe outer helical is surrounded with spiral Frame, the helical mount both ends are equipped with inside spin frame, and the inside spin is erected between the outer tube and inner tube, and adjacent described Baffler is equipped between inside spin frame;Releasing layer is equipped between the middle pipe and inner tube, the releasing layer is made of compression-resistant material; The both ends of the pressure resistance bellows are separately installed with the first connector and the second connector, are equipped with sliding block on first connector, described Slider bottom is provided with groove, and the groove inner cavity top is equipped with spring, and the spring bottom is equipped with pulley;Described first connects Screw hole is offered in the middle part of centriciput and the second connector, first connector inner cavity is equipped with the first sealing ring, first connector Edge is provided with raised sealing ring, and second connector offers the sliding slot matched with the sliding block, in second connector Chamber is equipped with the second sealing ring, and the sliding slot offers limiting slot, second connector side close to the side of second sealing ring Edge is equipped with the concave sealing ring matched with the raised sealing ring.
2. a kind of dismountable pressure resistance bellows according to claim 1, it is characterised in that: further include being located at the outer tube The compensation component in outside, the compensation component include the first pull rod and the second pull rod, and first pull rod is secured with nuts in institute It states above the first connector, second pull rod is secured with nuts above second connector, and the first pull rod and the second pull rod Between be connected with runner and be inserted into the runner respectively, the runner is equipped with the first jack, first pull rod and the second pull rod It is equipped with the second jack corresponding with first jack.
3. a kind of dismountable pressure resistance bellows according to claim 1, it is characterised in that: the releasing layer with a thickness of 5cm-7cm。
4. a kind of dismountable pressure resistance bellows according to claim 1, it is characterised in that: said inner tube inner wall smooth.
5. a kind of dismountable pressure resistance bellows according to claim 1, it is characterised in that: the helical mount and inside spin The section of frame is in arc-shaped.
6. a kind of dismountable pressure resistance bellows according to claim 1, it is characterised in that: the height of the helical mount is small Height in outer tube both ends.
7. a kind of dismountable pressure resistance bellows according to claim 1, it is characterised in that: the helical mount, inside spin Filled layer is equipped between frame and the middle pipe.
8. a kind of dismountable pressure resistance bellows according to claim 7, it is characterised in that: the filled layer is foam material Matter.
9. a kind of dismountable pressure resistance bellows according to claim 7, it is characterised in that: the helical mount and inside spin The junction section of frame is in arc-shaped.
CN201820932214.6U 2018-06-15 2018-06-15 A kind of dismountable pressure resistance bellows Active CN208331538U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110773541A (en) * 2019-09-20 2020-02-11 安徽鸿森塑业有限公司 Air treatment device for protective net production workshop

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110773541A (en) * 2019-09-20 2020-02-11 安徽鸿森塑业有限公司 Air treatment device for protective net production workshop

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