CN205843465U - Spiral band attachment structure - Google Patents

Spiral band attachment structure Download PDF

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Publication number
CN205843465U
CN205843465U CN201620681906.9U CN201620681906U CN205843465U CN 205843465 U CN205843465 U CN 205843465U CN 201620681906 U CN201620681906 U CN 201620681906U CN 205843465 U CN205843465 U CN 205843465U
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CN
China
Prior art keywords
leg
heat
plane
exchange tube
union joint
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Application number
CN201620681906.9U
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Chinese (zh)
Inventor
曾荣良
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CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd
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CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co Ltd
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Priority to CN201620681906.9U priority Critical patent/CN205843465U/en
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Abstract

Present patent application relates to the technical field that heat exchange elements connects, disclose a kind of spiral band attachment structure, including heat-exchange tube, union joint, connect on union joint and have some legs arranged in uniform circular, described leg all inserts in described heat-exchange tube, the pin for installing tie it is rotatably connected on union joint, the installation portion of described leg has the recess being made up of outer inclined-plane and interior inclined-plane, the opening of described heat-exchange tube is provided with bell, in leg inserts in heat-exchange tube and the interior inclined-plane of leg and heat exchange tube inner wall interference fit, the outer inclined-plane of leg and this bell fit.Outer inclined-plane is adjacent to mutually with the bell of heat-exchange tube, makes the support axially obtaining bell of leg, and the installation of leg is more firm, so will not be rushed askew or wash out because of the improper motion of current when heat exchanger startup-shutdown.

Description

Spiral band attachment structure
Technical field
This utility model belongs to the technical field that heat exchange elements connects.
Background technology
Heat-exchange tube is one of necessary element in condenser, within being generally mounted to cylinder, and heat between two media The exchange of amount.For improving the heat transfer effect of heat-exchange tube, generally having flow-disturbing part in heat-exchange tube interpolation, this flow-disturbing part is at straight pipeline Strong flow-disturbing can be caused under middle airflow function, break tube wall retention layer, form turbulent flow, thus play and prevent tube wall dirt attached And the effect of enhanced heat exchange.Most common of which flow-disturbing part is exactly spiral band, and spiral band is arranged in heat-exchange tube, can In-pipe flow is caused strong interference, has broken tube wall retention layer, improve heat transfer coefficient, reduce consumption and the water consumption of energy.
Spiral band is typically arranged in heat-exchange tube by union joint, existing union joint has inner chamber, at inner chamber Arranging bearing, bearing arranges pin, union joint is provided with plural leg, inner chamber deviates from leg side and arranges lid Son；Bearing has the retainer as runner assembly and ball, and ball is arranged on retainer, and runner assembly is near leg side Arranging lower axle bed cylindrically, runner assembly deviates from leg side and arranges upper shaft sheet；It is clamping part that leg deviates from the end of inner chamber, Having recess structure at clamping part and heat exchanger tube contact internal walls, union joint is by the clamping part on leg and leg and ф 50mm The heat exchanger tube inwall interference fit of caliber connects.During installation, the leg clamping part of union joint is inserted in heat-exchange tube, makes leg There is trickle bending elastic deformation, utilize the clamping force between leg clamping part and heat exchange tube inner wall to realize union joint Fastening.
The Novel joint of above-mentioned band bearing has the disadvantage in that leg clamping part has to heat exchange tube inner wall limit radially Position, leg axially on do not have spacing, so connecting not firmly and stable, easily occur swinging.Especially open when heat exchanger During shutdown, there is improper flowing (such as torrent or backflow) in liquid in pipe, and the momentum power of current will rush the askew or de-union joint of punching.
Utility model content
This utility model is intended to provide a kind of connection making union joint and heat-exchange tube more firm, the spiral of difficult drop-off Tie attachment structure.
Spiral band attachment structure in this programme, including heat-exchange tube, union joint, on union joint, connection has some in all The leg of even circumference, described leg all inserts in described heat-exchange tube, described union joint is rotatably connected to for installing The pin of spiral band, the installation portion of described leg has the recess being made up of outer inclined-plane and interior inclined-plane, described heat-exchange tube Opening is provided with bell, in leg inserts in heat-exchange tube and the interior inclined-plane of leg and heat exchange tube inner wall interference fit, leg Outer inclined-plane and this bell fit.
Beneficial effect: when union joint is installed, being arranged on pin by spiral band, spiral band is placed in heat-exchange tube, Being inserted by the installation portion of leg in heat-exchange tube, there is trickle bending deformation, the inwall phase of interior inclined-plane and heat-exchange tube in leg Pressing close to, the installation portion of all legs is circumferentially distributed；Outer inclined-plane is positioned at the outside of heat-exchange tube, outer inclined-plane and the cone of heat-exchange tube Shape mouth is adjacent to mutually, makes the support axially obtaining bell of leg, and the setting on inclined-plane can obtain bigger supporting surface, confined planes The installation making greatly leg is more firm, so will not be rushed because of the improper motion of current when heat exchanger startup-shutdown Askew or wash out.
Further, described outer inclined-plane and union joint axis angle are 60 °, and the axis angle of described interior inclined-plane and union joint is 10°.When the axis angle of inclined-plane and union joint is 60 ° outside, the axial thrust load of the support force that leg is subject to after deformation is enough big, Area of bearing is the most sufficiently large simultaneously, and support effect is best；When the axis angle of interior inclined-plane and union joint is 10 °, leg deforms After interior inclined-plane can fit completely with heat exchange tube inner wall, friction area is maximum, so installing more firm.
Further, the quantity of described leg is three, while ensureing that installation is sufficiently stable, reduces the quantity of leg, Reduce the leg resistance to current.
Further, between described pin and union joint, connection has ball bearing.Ball bearing is by between pin and union joint Sliding friction become rolling friction, the rotation making pin is more smooth and easy, also reduces the abrasion of pin and union joint simultaneously.
Further, described pin connects one end of tie and has notch, and pin is provided with the screwed hole running through notch.By knob Band inserts in notch, at the built-in screwing of screwed hole, utilizes screw to fix tie, easy accessibility.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model spiral band attachment structure embodiment；
Fig. 2 is the left view structural representation of Fig. 1；
Fig. 3 is the structural representation in Fig. 1 at A-A；
Fig. 4 is the perspective view of union joint in Fig. 1.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Reference in Figure of description includes: union joint 1, leg 2, outer inclined-plane 21, interior inclined-plane 22, pin 3, notch 31, heat-exchange tube 4, bell 41, ball bearing 5.
Embodiment is substantially as shown in accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3: spiral band attachment structure, including heat-exchange tube 4, even Joint 1, union joint 1 is cylindrical, and union joint 1 is coaxially installed with pin 3, and this pin 3 is used for installing spiral band, union joint 1 connects the leg 2 having three uniform circular to arrange, during installation, in leg 2 all inserts in heat-exchange tube 4 and leg 2 installation portion with Heat-exchange tube 4 inwall interference fit；The installation portion of leg 2 has the recess being made up of outer inclined-plane 21 and interior inclined-plane 22, heat exchange The opening of pipe 4 is machined with bell 41, and during installation, outer inclined-plane 21 and this bell 41 of leg 2 fit.
The axis angle of outer inclined-plane 21 and union joint 1 is 60 °, and the axis angle of interior inclined-plane 22 and union joint 1 is 10 °.? When the axis angle of outer inclined-plane 21 and union joint 1 is 60 °, the axial thrust load of the support force that leg 2 is subject to after deformation is maximum, Support effect is best；When the axis angle on interior inclined-plane 22 and union joint 1 is 10 °, leg 2 deformation after interior inclined-plane 22 can and heat Exchange pipe 4 inwall is fitted completely, and friction area is maximum, so installing more firm.The end of the installation portion of leg 2 also process by Lozenges, it is simple to leg 2 inserts in heat-exchange tube 4.
As shown in Figure 3, ball bearing 5 it is combined with between pin 3 and union joint 1.Ball bearing 5 is by pin 3 and connects Sliding friction between 1 becomes rolling friction, and the rotation making pin 3 is more smooth and easy, also reduces pin 3 and union joint simultaneously The abrasion of 1.As shown in Figure 4, pin 3 connects one end of tie and has notch 31, and pin 3 is provided with the screw thread running through notch 31 Hole.Tie is inserted in notch 31, at the built-in screwing of screwed hole, utilize screw to fix tie, easy accessibility.
Operation principle: when union joint 1 is installed, is arranged on tie on pin 3, and tie is placed in heat-exchange tube 4, by leg The installation portion of 2 inserts in heat-exchange tube 4, and leg 2 occurs trickle bending to deform, interior inclined-plane 22 and the inwall phase of heat-exchange tube 4 Pressing close to, the installation portion of all legs 2 is circumferentially distributed；Outer inclined-plane 21 is positioned at the outside of heat-exchange tube 4, outer inclined-plane 21 and heat exchange Bell 41 phase of pipe 4 is adjacent to, and makes the support axially obtaining bell 41 of leg 2, and the installation of leg 2 is more firm, so Will not be rushed askew or be washed out because of the improper motion of current when heat exchanger startup-shutdown.
Above-described is only embodiment of the present utility model, and in scheme, the known general knowledge such as concrete structure and characteristic is at this Too much describe.It should be pointed out that, for a person skilled in the art, in the premise without departing from this utility model structure Under, it is also possible to making some deformation and improvement, these also should be considered as protection domain of the present utility model, and these are all without impact The effect of this utility model enforcement and practical applicability.The protection domain that this application claims should be with the content of its claim Being as the criterion, the detailed description of the invention in description etc. records the content that may be used for explaining claim.

Claims (5)

1. a spiral band attachment structure, including heat-exchange tube, union joint, on union joint, connection has some in uniform circular cloth The leg put, described leg all inserts in described heat-exchange tube, it is characterised in that: it is rotatably connected to for pacifying on described union joint The pin of dress spiral band, the installation portion of described leg has the recess being made up of outer inclined-plane and interior inclined-plane, described heat-exchange tube Opening be provided with bell, leg inserts in heat-exchange tube and the interior inclined-plane of leg and heat exchange tube inner wall interference fit, The outer inclined-plane of foot and this bell fit.
Spiral band attachment structure the most according to claim 1, it is characterised in that: described outer inclined-plane presss from both sides with union joint axis Angle is 60 °, and the axis angle of described interior inclined-plane and union joint is 10 °.
Spiral band attachment structure the most according to claim 2, it is characterised in that: the quantity of described leg is three.
Spiral band attachment structure the most according to claim 3, it is characterised in that: connect between described pin and union joint There is ball bearing.
Spiral band attachment structure the most according to claim 4, it is characterised in that: described pin connects one end of tie and opens Notch, pin is had to be provided with the screwed hole running through notch.
CN201620681906.9U 2016-07-01 2016-07-01 Spiral band attachment structure Active CN205843465U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620681906.9U CN205843465U (en) 2016-07-01 2016-07-01 Spiral band attachment structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620681906.9U CN205843465U (en) 2016-07-01 2016-07-01 Spiral band attachment structure

Publications (1)

Publication Number Publication Date
CN205843465U true CN205843465U (en) 2016-12-28

Family

ID=58149535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620681906.9U Active CN205843465U (en) 2016-07-01 2016-07-01 Spiral band attachment structure

Country Status (1)

Country Link
CN (1) CN205843465U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Spiral tie connection structure

Effective date of registration: 20170331

Granted publication date: 20161228

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2017980000105

PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20180404

Granted publication date: 20161228

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2017980000105

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Spiral tie connection structure

Effective date of registration: 20180528

Granted publication date: 20161228

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2018500000001

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20190307

Granted publication date: 20161228

Pledgee: Chongqing new billion financing Company limited by guarantee

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2018500000001

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Spiral tie connection structure

Effective date of registration: 20190613

Granted publication date: 20161228

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT CO., LTD.

Registration number: 2019500000014

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20200722

Granted publication date: 20161228

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: 2019500000014

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Spiral tie connection structure

Effective date of registration: 20200722

Granted publication date: 20161228

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: Y2020990000821

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20220126

Granted publication date: 20161228

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: Y2020990000821

PC01 Cancellation of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Spiral link connection structure

Effective date of registration: 20220209

Granted publication date: 20161228

Pledgee: Bank of China Limited Chongqing Tongliang Branch

Pledgor: CHONGQING HUANJI LOW CARBON ENERGY SAVING TECHNOLOGY DEVELOPMENT Co.,Ltd.

Registration number: Y2022500000006

PE01 Entry into force of the registration of the contract for pledge of patent right