CN213743488U - Flexible connection structure between wind cylinders, exhaust duct and fan - Google Patents

Abstract

The utility model discloses a flexible connection structure between dryer for connect first dryer and second dryer, including flexible cloth, first clamp and second clamp all are provided with the hoop and are used for loosening or locking the locking structure of hoop, flexible cloth is cylindricly and is used for the parcel in the junction of first dryer and second dryer, first clamp is used for the cover to establish on the outer wall of the link of first dryer, the second clamp is used for the cover to establish on the outer wall of the link of second dryer, and a pot head of flexible cloth is established on first dryer and is pressed from both sides tightly between the outer wall of first clamp and first dryer, another pot head is established on the second dryer and is pressed from both sides tightly between the outer wall of second clamp and second dryer. The flexible connection structure has higher connection tightness, improves the sealing effect, is convenient, quick, time-saving and labor-saving to connect and detach, and is efficient to install. The utility model also discloses an exhaust duct and fan that contain flexible connection structure between the dryer.

Description

Flexible connection structure between wind cylinders, exhaust duct and fan

Technical Field

The utility model relates to an axial fan technical field, more specifically say, relate to a flexible connection structure, exhaust duct and fan between dryer.

Background

The large axial flow fan, such as a mining fan, is provided with a main body with a motor and fan blades, and also provided with a wind barrel with a span of dozens of meters or even dozens of meters, wherein the wind barrel forms a wind channel for gas flowing inside. When the air duct is used, the air duct of the fan needs to be connected with the ventilation duct of a ventilation place in a sealing manner through the short connecting tube. Connect short section of thick bamboo and air pipe fixed sealing connection, and because the axial span of fan dryer is big, can use flexible cloth to carry out sealed flexible connection between connecting short section of thick bamboo and long dryer usually to reduce axial error, guarantee smooth installation. As shown in fig. 1, in the prior art, the connection flanges 20 are respectively welded at the connection ends of two air ducts 10, then the two air ducts 10 are fixed on the base, then two butting flanges 30 are respectively used to clamp one end of a flexible cloth 4 and butt-joint with the two connection flanges 20, and the two ends of the flexible cloth 4 are respectively clamped between the two sets of butting flanges 30 and the connection flanges 20, so as to realize the sealing and flexible connection of the two air ducts 10. However, when the connecting structure is connected, dozens of pairs of bolts circumferentially arranged on two groups of flanges need to be screwed, the processing and installation workload is large, the installation and the disassembly are inconvenient, the time consumption is long, and the use cost is increased; and the two flanges are connected through bolts to clamp the flexible cloth, and the hidden trouble of sealing leakage exists at the connecting part.

In view of this, it is desirable to improve a flexible connection structure between two air ducts in the prior art, and to solve the problems of large connection workload, tedious operation, long time consumption and hidden sealing leakage caused by the existing structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible connection structure between dryer to the connection work load that flexible connection structure among the solution prior art leads to is big, the problem of long and sealed leakage hidden danger exists when the loaded down with trivial details time consuming of manipulation. An object of the utility model is also to provide an exhaust duct and fan including flexible connection structure between above-mentioned dryer.

In order to achieve the above purpose, the utility model provides a flexible connection structure between wind cylinders, which is used for connecting a first wind cylinder and a second wind cylinder and comprises a flexible cloth, a first clamp and a second clamp, the first clamp and the second clamp are both provided with a hoop and a locking structure for loosening or locking the hoop, the flexible cloth is cylindrical and is used for wrapping the joint of the first air duct and the second air duct, the first hoop is used for being sleeved on the outer wall of the connecting end of the first air duct, the second hoop is used for being sleeved on the outer wall of the connecting end of the second air duct, and one end of the flexible cloth is sleeved on the first air duct and is clamped between the first clamp and the outer wall of the first air duct, and the other end of the flexible cloth is sleeved on the second air duct and is clamped between the second clamp and the outer wall of the second air duct.

Preferably, establish including being used for the cover first support ring on the link outer wall of first dryer and being used for the cover to establish second support ring on the link outer wall of second dryer, along the axial first clamp is apart from the distance of the connection terminal surface of first dryer is greater than first support ring is apart from the distance of the connection terminal surface of first dryer, the second clamp is apart from the distance of the connection terminal surface of second dryer is greater than second support ring is apart from the distance of the connection terminal surface of second dryer, first support ring reaches the second support ring all is located the inboard of flexible cloth is used for supporting flexible cloth.

Preferably, still including being the fixed bounding wall of straight section of thick bamboo structure, fixed bounding wall is used for the cover to establish first dryer and/or the link of second dryer is in first clamp and/or in the annular space of second clamp.

Preferably, first clamp reaches the hoop of second clamp all is cyclic annular and all is provided with along the disconnection mouth that radially link up, first clamp reaches the locking structure of second clamp all is including connecting respectively the formation of hoop two articulated shafts at the both ends of disconnection mouth and be used for connecting two the connecting bolt of articulated shaft, two the axial of articulated shaft with the annular space of hoop is unanimous, two all be equipped with on the articulated shaft along radially link up the screw hole that sets up, connecting bolt and two screw hole threaded connection.

Preferably, both ends of the hoop are provided with embedded communication holes for the corresponding hinge shafts to penetrate, and the axial direction of the embedded communication holes is consistent with the annular axial direction of the hoop.

Preferably, the first clamp and the second clamp are both provided with an adjusting structure for adjusting the diameter of each hoop.

Preferably, the two fitting communication holes are capable of being displaced toward or away from each other in a circumferential direction of the hoop.

Preferably, the hoop comprises a ring main body and two ring ends integrally connected with the ring main body, the two ring ends are of bending structures which are turned towards the outer side of the ring main body, bending spaces which form bending between the ring ends and the outer wall of the ring main body are correspondingly formed in the embedded communication holes, and one ends of the ring ends, which are far away from the bending, are detachably connected with the ring main body.

The utility model also provides an exhaust duct, include two at least dryer along the pipeline axial, through as above arbitrary any between the dryer of at least two the dryer flexible connection structure connect gradually.

The utility model also provides a fan, including fan main part, at least one first dryer and at least one second dryer, the one end of first dryer with fan main part is connected, the other end is through as above arbitrary the dryer between flexible connection structure with the second dryer is connected.

The utility model provides an among the technical scheme, flexible connection structure includes flexible cloth, first clamp and second clamp between the dryer, and flexible cloth parcel is in the junction of two dryers to press from both sides the both ends of flexible cloth tightly respectively on two dryer outer walls that need connect through first clamp and second clamp, realize the flexible connection of two dryers, and carried out effectual sealing to the connection region of two dryers. This connection structure uses the ring flange butt joint among the prior art and uses the ring flange to press from both sides tight flexible cloth and compare, has higher connection compactness, improves sealed effect, and connects and dismantle all convenient quick, labour saving and time saving of operation, the installation is high-efficient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a flexible connection of an air duct in the prior art;

fig. 2 is a schematic structural view of a flexible connection structure between wind cylinders according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a flexible connection structure between wind cylinders according to another embodiment of the present invention;

fig. 4 is a schematic structural view of a first clamp and a second clamp locking structure in an embodiment of the present invention;

fig. 5 is a schematic structural view of an adjusting structure of the first clamp and the second clamp according to an embodiment of the present invention;

fig. 6 is a partially enlarged view of fig. 4.

In fig. 1-6:

10. an air duct; 20. a connecting flange; 30. butting flanges; 1. a first air duct; 2. a second air duct; 3. A first clamp; 31. a ring body; 32. a loop end; 33. hinging a shaft; 34. a connecting bolt; 35. embedding the communication hole; 36. bending; 4. a flexible cloth; 5. a second clamp; 6. a first support ring; 7. a second support ring; 8. And (5) fixing the enclosing plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

An object of this embodiment is to provide a flexible connection structure between dryer to solve the problem that flexible connection structure among the prior art leads to that the connection work volume is big, the manipulation is loaded down with trivial details long time consuming and there is sealed leakage hidden danger. The present invention also provides an exhaust duct and a fan including the above flexible connection structure between air ducts.

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 2-6, the flexible connection structure between wind cylinders provided in this embodiment is used for connecting a first wind cylinder 1 and a second wind cylinder 2 which need to be in sealing butt joint, and includes a flexible cloth 4, a first clamp 3, and a second clamp 5; first clamp 3 and second clamp 5 all are provided with the hoop and are used for loosening or locking the locking structure of hoop, and flexible cloth 4 is cylindric, and flexible cloth 4 is used for the parcel in the junction of first dryer 1 and second dryer 2, and first clamp 3 is used for cramping the one end of flexible cloth 4 and overlaps the link of establishing at first dryer 1, and second clamp 5 is used for cramping the other end of flexible cloth 4 and overlaps the link of establishing at second dryer 2. When the wind power generator is used, the first end of the flexible cloth 4 is sleeved and wrapped on the outer wall of the connecting end of the first air duct 1, the connecting end of the first air duct 1 extends into the cloth tube of the flexible cloth 4, the second end of the flexible cloth 4 is sleeved and wrapped on the outer wall of the connecting end of the second air duct 2, and the connecting end of the second air duct 2 extends into the cloth tube of the flexible cloth 4; loosening the hoop, sleeving the hoop of the first hoop 3 to the connecting end of the first air duct 1, then locking the hoop of the first hoop 3, and hooping the first end of the flexible cloth 4 on the outer wall of the first air duct 1, namely, clamping the first end of the flexible cloth 4 between the inner annular wall of the first hoop 3 and the outer wall of the connecting end of the first air duct 1; similarly, the second end of the flexible cloth 4 is clamped on the second air duct 2 by the second clamp 5, and the other end is clamped between the second clamp 5 and the outer wall of the second air duct 2. So set up, the flexible connection structure hoops flexible cloth 4 through the clamp and wraps up the link of two dryer respectively between the dryer that this embodiment provided, realize the flexible connection of two dryer, and carry out effectual sealing to the connection region of two dryer, use the flange dish butt joint and use the flange dish to press from both sides tight flexible cloth 4 to compare among the prior art, the whole link of wrapping up the dryer of flexible cloth 4 in this embodiment, and by the hoop laminating on the periphery wall of dryer, have higher connection compactness, improve sealed effect, and the unclamping and the locking of clamp are compared in the flange dish butt joint, it is all convenient quick with the dismantlement operation to connect, time saving and labor saving, the installation is high-efficient. And the flexible connection structure between dryer that this embodiment provided range of application is extensive, is applicable to the connection of arbitrary two tuber pipes, provides great axial installation size control range for tuber pipe or wind channel that axial span is big, the installation of tuber pipe or wind channel of being convenient for more.

Because the cloth tube of the flexible cloth 4 is wrapped on the outer wall of the air duct, in order to prevent the flexible cloth 4 from rubbing with the outer wall of the air duct or the tube edge of the connecting end surface of the air duct too much, in this embodiment, the flexible connecting structure between the air ducts further comprises a first support ring 6 for being sleeved on the outer wall of the connecting end of the first air duct 1 and a second support ring 7 for being sleeved on the outer wall of the connecting end of the second air duct 2, the distance from the first clamp 3 to the connecting end surface of the first air duct 1 along the axial direction is greater than the distance from the first support ring 6 to the connecting end surface of the first air duct 1, the distance from the second clamp 5 to the connecting end surface of the second air duct 2 is greater than the distance from the second support ring 7 to the connecting end surface of the second air duct 2, namely, the first support ring 6 and the second support ring 7 are both positioned between the first clamp 3 and the second clamp 5, the first support ring 6 and the second support ring 7 are both positioned in the cloth tube of the flexible cloth 4, Respectively for supporting the flexible cloths 4. First support ring 6 and second support ring 7 all can be the welding on the outer wall of dryer, and when carrying out flexible connection, the both ends of flexible cloth 4 overlap joint respectively on first support ring 6 and second support ring 7, also wrap up two support rings in a cloth section of thick bamboo, then the both ends of a cloth section of thick bamboo are cramped by first clamp 3 and second clamp 5 respectively again. Therefore, the sealing is prevented from being influenced by excessive friction and damage of the flexible cloth 4 and the outer wall of the air duct. Moreover, in a preferred embodiment of the present embodiment, the clips and the corresponding support rings may be adjacent to each other, that is, the clip sidewall of the first clip 3 abuts against the side ring wall of the first support ring 6, and the clip sidewall of the second clip 5 abuts against the side ring wall of the second support ring 7, so that at the end of the flexible cloth 4, the support ring and the clips are supported in the cloth cylinder, one is tightened outside the cloth cylinder, and the sidewalls of the two abut against each other, thereby forming a staggered clamp at the end of the flexible cloth 4, the end of the flexible cloth 4 is tightened on the outer wall of the air duct by the clips and is also tightened by the clips and the support rings, and the sealing and stable connectivity between the flexible cloth 4 and the air duct can be enhanced.

The dryer is usually straight tube-shape, the link is the isodiametric structure, but according to the user demand, the dryer also has the awl tube-shape, the diameter of link reduces gradually, carry out flexible connection to awl tube-shape dryer in order to be convenient for, further, as shown in fig. 3, flexible connection structure still includes the fixed bounding wall 8 that is straight tube-shape structure between the dryer, fixed bounding wall 8 is used for the cover to establish the link at first dryer 1 and/or second dryer 2, can select to weld fixed bounding wall 8 on the outer wall of dryer in suitable position, make fixed bounding wall 8 parcel live the former awl tube-shape end of dryer, and constitute the link of new straight tube-shape. The support ring and the clamp are sleeved on the straight cylindrical outer cylinder wall of the fixed coaming 8. With such an arrangement, the flexible connection structure between the wind cylinders provided by the embodiment can be suitable for flexible connection between wind cylinders in three different combination forms, namely a straight cylinder-straight cylinder, a straight cylinder-conical cylinder and a conical cylinder-conical cylinder, and ensures sealing performance and installation efficiency.

Specifically, the first yoke 3 and the second yoke 5 may have the same or different structures. In this embodiment, the first clamp 3 and the second clamp 5 have the same structure, and the locking structures of the first clamp and the second clamp can be as shown in fig. 4, and include a connecting bolt 34 and two hinge shafts 33, the hoop is annular and is provided with a break-off opening penetrating along the radial direction, the two hinge shafts 33 are respectively connected to two ends of the hoop forming the break-off opening, the axial directions of the two hinge shafts 33 are consistent with the axial direction of the annular space of the hoop, both the two hinge shafts 33 are provided with threaded holes penetrating along the radial direction, the connecting bolt 34 penetrates through the threaded holes of the two hinge shafts 33 to be in threaded connection with the two threaded holes, and the hoop is loosened or locked by adjusting the connecting bolt 34, so as to form the locking structure for loosening or locking the hoop.

The hinge shaft 33 may be fixedly connected at both ends of the hoop by bonding or welding, the hinge shaft 33 may be located at one side of the hoop or penetrate into the hoop, as shown in fig. 4, both ends of the hoop are provided with embedded communication holes 35 for the corresponding hinge shaft 33 to penetrate, and the axial direction of the embedded communication holes 35 is consistent with the annular axial direction of the hoop.

Further, for adapting to different dryer external diameters, the clamp can possess multiple specification, or, all set up the regulation structure that is used for adjusting hoop diameter size on first clamp 3 and the second clamp 5, can adjust the hoop size of same clamp through adjusting the structure, the application range and the matching nature of increase clamp. Specifically, this can be achieved by adjusting the distance between two fitting communication holes 35, such as lengthening the length of the connecting bolt 34, or by making the position of the fitting communication holes 35, that is, the hinge shaft 33, on the hoop movable in the circumferential direction of the hoop: or as shown in fig. 5 and 6, the hoop includes a ring main body 31 and two ring ends 32 respectively located at two ends of the ring main body 31, the two ring ends 32 and the ring main body 31 both form an integral connection structure, and the two ring ends 32 both form a bending structure which is folded towards the outside of the ring main body 31, that is, the folding part of the ring end 32 and the ring main body 31 is an arc-shaped folding part 36, an inner ring space of the folding part 36, that is, a folding space forming the folding part 36 between each ring end 32 and the outer wall of the ring main body 31, is correspondingly formed into an embedded communication hole 35, and the end of the ring end 32 folded to the outside of the ring main body 31, which is far away from the folding part 36, is detachably connected with the ring main body 31 through a fastening bolt; thus, the ring end 32 is stretched, the length of the ring end 32 folded to the outer side of the ring main body 31 is adjusted, the position of the bend 36 is changed along with the change of the length, and the circumferential displacement of the hoop is carried out, so that the positions of the two hinge shafts 33 relative to the hoop can be changed, the position of the bend 36 is adjusted to enable the two hinge shafts 33 to be relatively far away, the diameter of the hoop after the two hinge shafts 33 are connected through the connecting bolts 34 is reduced, the position of the bend 36 is adjusted to enable the two hinge shafts 33 to be relatively close, and the diameter of the hoop after the two hinge shafts 33 are connected through the connecting bolts 34 is increased; the hoop may be made of sheet iron or plastic with flexibility to facilitate adjustment of the location of bend 36.

This embodiment still provides an exhaust duct, is provided with two at least dryer, and a plurality of dryer of two dryer kettles connect gradually and form exhaust duct, all connect through flexible connection structure between the dryer as in any one of above embodiments between each dryer, then the exhaust duct that this embodiment provided has great axial installation size control range, the installation of being convenient for, and connect high efficiency, the leakproofness is good between the dryer. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the flexible connection structure between the air ducts, and is not repeated herein.

The embodiment also provides a fan, including fan main part, at least one first dryer 1 and at least one second dryer 2, the one end and the fan main part of first dryer 1 are connected, the other end passes through flexible connection structure between the dryer and is connected with other first dryer 1 or second dryer 2, then this fan has the installation of being convenient for, the installation is high-efficient and the good beneficial effect of leakproofness. The derivation process of the beneficial effect is substantially similar to the derivation process of the beneficial effect brought by the flexible connection structure between the air ducts, and is not repeated herein.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the invention comprise basic schemes, are independent from each other and are not restricted with each other, but can be combined with each other under the condition of no conflict, so that multiple effects are realized together.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a flexible connection structure between dryer for connect first dryer (1) and second dryer (2), its characterized in that, including flexible cloth (4), first clamp (3) and second clamp (5), first clamp (3) with second clamp (5) all are provided with the hoop and are used for loosening or locking the locking structure of hoop, flexible cloth (4) are cylindricly and are used for the parcel in first dryer (1) with the junction of second dryer (2), first clamp (3) are used for the cover to establish on the outer wall of the link of first dryer (1), second clamp (5) are used for the cover to establish on the outer wall of the link of second dryer (2), just a pot head of flexible cloth (4) is established on first dryer (1) and are pressed from both sides tightly first clamp (3) with between the outer wall of first dryer (1), The other end is sleeved on the second air duct (2) and is clamped between the second clamp (5) and the outer wall of the second air duct (2).

2. The flexible connection structure between wind cylinders according to claim 1, characterized in that it further comprises a first support ring (6) for being sleeved on the outer wall of the connecting end of the first wind cylinder (1) and a second support ring (7) for being sleeved on the outer wall of the connecting end of the second wind cylinder (2), the distance from the first clamp (3) to the connecting end face of the first wind cylinder (1) along the axial direction is greater than the distance from the first support ring (6) to the connecting end face of the first wind cylinder (1), the distance between the second clamp (5) and the connecting end surface of the second air duct (2) is greater than the distance between the second support ring (7) and the connecting end surface of the second air duct (2), the first support ring (6) and the second support ring (7) are both located on the inner side of the flexible cloth (4) and are used for supporting the flexible cloth (4).

3. The flexible connection structure between wind cylinders according to claim 1, characterized by further comprising a fixed surrounding plate (8) in a straight cylinder structure, wherein the fixed surrounding plate (8) is used for being sleeved on the connecting end of the first wind cylinder (1) and/or the second wind cylinder (2) and is positioned in the annular space of the first clamping hoop (3) and/or the second clamping hoop (5).

4. The flexible connection structure between air ducts according to claim 1, wherein the hoops of the first hoop (3) and the second hoop (5) are annular and each have a radially through cut-off opening, the locking structure of the first hoop (3) and the second hoop (5) each comprises two hinge shafts (33) respectively connected to two ends of the hoops forming the cut-off opening and a connecting bolt (34) for connecting the two hinge shafts (33), the axial direction of the two hinge shafts (33) is the same as the axial direction of the annular space of the hoops, the two hinge shafts (33) are each provided with a radially through threaded hole, and the connecting bolt (34) is in threaded connection with the two threaded holes.

5. The structure for flexible connection between air ducts according to claim 4, wherein both ends of said hoop are provided with embedded communication holes (35) for the penetration of the corresponding hinge shafts (33), the axial direction of said embedded communication holes (35) being in axial correspondence with the annular space of said hoop.

6. The structure for connecting flexible between air ducts according to claim 5, wherein said first yoke (3) and said second yoke (5) are each provided with an adjustment structure for adjusting the diameter of each of said yokes.

7. The flexible connection structure between air ducts according to claim 6, wherein two of said communication holes (35) are capable of being displaced toward or away from each other in the circumferential direction of said collar.

8. The flexible connection structure between wind cylinders according to claim 7, wherein the hoop comprises a ring main body (31) and two ring ends (32) integrally connected with the ring main body (31), each of the two ring ends (32) is of a bent structure folded towards the outside of the ring main body (31), a bent space between each ring end (32) and the outer wall of the ring main body (31) to form a bend (36) is correspondingly formed in the embedded communication hole (35), and one end of each ring end (32) far away from the bend (36) is detachably connected with the ring main body (31).

9. An exhaust duct, characterized in that, at least two wind cylinders are included along the axial direction of the duct, and the at least two wind cylinders are connected in sequence through the flexible connection structure between the wind cylinders according to any one of claims 1 to 8.

10. A fan, characterized in that it comprises a fan body, at least one first wind cylinder (1) and at least one second wind cylinder (2), one end of the first wind cylinder (1) is connected with the fan body, and the other end is connected with the second wind cylinder (2) through the flexible connection structure between wind cylinders according to any one of claims 1 to 8.

Images