CN206488685U - Air-conditioner set, heat exchanger and its tube sheet - Google Patents

Air-conditioner set, heat exchanger and its tube sheet Download PDF

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Publication number
CN206488685U
CN206488685U CN201720090233.4U CN201720090233U CN206488685U CN 206488685 U CN206488685 U CN 206488685U CN 201720090233 U CN201720090233 U CN 201720090233U CN 206488685 U CN206488685 U CN 206488685U
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CN
China
Prior art keywords
tube
tube sheet
seal groove
stopper slot
heat exchanging
Prior art date
Application number
CN201720090233.4U
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Chinese (zh)
Inventor
左晓波
李敏
杨久子
王帆
Original Assignee
格力电器(合肥)有限公司
珠海格力电器股份有限公司
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Application filed by 格力电器(合肥)有限公司, 珠海格力电器股份有限公司 filed Critical 格力电器(合肥)有限公司
Priority to CN201720090233.4U priority Critical patent/CN206488685U/en
Application granted granted Critical
Publication of CN206488685U publication Critical patent/CN206488685U/en

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Abstract

The utility model provides the heat exchanging holes (110) offered on a kind of tube sheet, the tube sheet (100) for installing connecting tube (200);The different mounting groove of at least two cross sectional shapes is further opened with the tube sheet (100);Axis direction of the mounting groove described at least two along the heat exchanging holes (110) is arranged in rows.Coordinated by least two installation portions and at least two mounting grooves, ensure the sealing property between the axial tightening power and connecting tube and tube sheet between connecting tube and tube sheet, current connecting tube is effectively solved with still suffering from sealing or not caused enough the sealing problem of tightening force after tube plate expanded-connecting sealing, improve sealing effectiveness, increase axial tightening power, and then ensure the reliability of air-conditioner set work.The utility model also provides a kind of air-conditioner set and heat exchanger.

Description

Air-conditioner set, heat exchanger and its tube sheet
Technical field
The utility model is related to air conditioner technical field, more particularly to a kind of air-conditioner set, heat exchanger and its pipe Plate.
Background technology
At present, the connecting tube of heat exchanger and tube plate expanded-connecting seal form are mostly the knot such as no seal groove, V-shaped groove and stopper slot Structure.For the seal form without seal groove, the roughness requirements of the heat exchanging holes of tube sheet are high, and because without seal groove, Tightening force is smaller after expanded joint, and product has leakage hidden danger, and sealing is easy to failure;For the seal form of V-shaped groove, expanded joint After the completion of connecting tube and tube sheet tightening force less, smaller with V-shaped groove contact area after connecting tube expanded joint, connecting tube can not be filled up Whole seal groove, easily produces leakage channel, causes seal failure;For the seal form of rectangular seal groove, after expanded joint Connecting tube has very big tightening force, but the connecting tube after expanded joint can not fill up whole seal groove, easily produce leakage channel, Cause seal failure.Therefore, for above-mentioned several connecting tubes and tube plate expanded-connecting seal form, there is sealing or tense Not caused enough the sealing problem of power, the reliability of influence air-conditioner set work.
Utility model content
Based on this, it is necessary to sealing is still suffered from after being sealed for current connecting tube with tube plate expanded-connecting or tightening force is not enough led The sealing problem of cause can block the tube sheet of leakage path between connecting tube and tube sheet, guarantee sealing effectiveness there is provided a kind of, simultaneously A kind of heat exchanger containing above-mentioned tube sheet, and the air-conditioner set containing above-mentioned heat exchanger are also provided.Above-mentioned purpose passes through Following technical proposals are realized:
The heat exchanging holes for installing connecting tube are offered on a kind of tube sheet, the tube sheet;
The different mounting groove of at least two cross sectional shapes is further opened with the tube sheet;
Axis direction of the mounting groove described at least two along the heat exchanging holes is arranged in rows.
In one of the embodiments, the different mounting groove of cross sectional shape is two kinds, respectively seal groove and spacing Groove;
The seal groove can seal the junction of the connecting tube and the tube sheet;The stopper slot can limit described Displacement of the connecting tube along the heat exchanging holes axis direction.
In one of the embodiments, circumferential direction of the seal groove with the stopper slot along the heat exchanging holes is annular in shape On the inwall for being arranged at the heat exchanging holes.
In one of the embodiments, the seal groove has sealing surfaces, and the stopper slot has stop surface;
When the connecting tube is installed on the heat exchanging holes, the projection of the connecting tube expanded joint formation can be with the seal groove Sealing surfaces fit, the protuberance of connecting tube expanded joint formation can be in contact with the stop surface of the stopper slot.
In one of the embodiments, the cross sectional shape of the seal groove is arc or V-arrangement;
The cross sectional shape of the stopper slot is rectangle.
In one of the embodiments, the quantity of the quantity of the seal groove and the stopper slot is one, and described Stopper slot is located between the seal groove and the outer wall of the tube sheet.
In one of the embodiments, the quantity of the seal groove is at least two, and seal groove described at least two is along institute The axial direction for stating heat exchanging holes is arranged in rows, and there is spacing between adjacent two seal grooves.
In one of the embodiments, the quantity of the seal groove is at least two, and seal groove described at least two is along institute The axial direction for stating heat exchanging holes is arranged in rows, and seal groove is continuously set described at least two.
In one of the embodiments, the stopper slot is located between two adjacent seal grooves.
In one of the embodiments, the stopper slot is located at the rear side of seal groove described at least two.
In one of the embodiments, the quantity of the stopper slot be at least two, stopper slot described at least two with extremely Few two seal grooves interlock interval setting.
In one of the embodiments, the scope of the central angle of the seal groove arc section is 60 °~210 °.
In one of the embodiments, the depth bounds of radial direction of the seal groove along the heat exchanging holes be 2mm~ 3mm;
The size range of the radius of the arc section of the seal groove is 5mm~6mm.
In one of the embodiments, the opening width range of axial direction of the seal groove along the heat exchanging holes is 2mm~3mm.
In one of the embodiments, the depth bounds of radial direction of the stopper slot along the heat exchanging holes be 3mm~ 4mm。
In one of the embodiments, the width of axial direction of the stopper slot along the heat exchanging holes and the stopper slot Along the deep equality of the radial direction of the heat exchanging holes;
Or, the width range of axial direction of the stopper slot along the heat exchanging holes is 2mm~3mm.
Further relate to a kind of heat exchanger, including connecting tube and the tube sheet described in any technical characteristic as described above;
The connecting tube is heat exchanger tube, and the connecting tube is installed in the heat exchanging holes of the tube sheet, and passes through expanded joint mode It is engaged with the mounting groove of the tube sheet.
Further relate to a kind of air-conditioner set, including the heat exchanger described in any technical characteristic as described above.
Above-mentioned technical proposal has the advantages that:
Tube sheet of the present utility model, can be such that connecting tube is installed on by expanded joint mode on tube sheet, with ensure connecting tube with Tensile property between tube sheet, and then ensure tube sheet and the sealing property of connecting tube junction.Connecting tube is installed to changing for tube sheet In hot hole, connecting tube can be plastically deformed by expanded joint mode, and formation at least two is installed on the surface of connecting tube Portion, at least two installation portions can be respectively arranged at least two mounting grooves of tube sheet.Due to cutting at least two mounting grooves Face shape is different and arranged in rows along the axial direction of heat exchanging holes, so every kind of mounting groove and corresponding installation portion coordinate after by Pulling force it is also different, and then increase the tightening force between tube sheet and connecting tube so that installation portion will not be skidded off from mounting groove, with Ensure the sealing property between installation portion and mounting groove, the leakage path blocked between connecting tube and tube sheet, it is ensured that sealing effectiveness, Improve the sealing property between connecting tube and tube sheet.Meanwhile, tube plate structure is simple, passes through at least two installation portions and at least two Mounting groove, which coordinates, can improve the tensile property and sealing effectiveness of connecting tube installation, smear close between tube sheet and connecting tube without again Sealing, the problem of solving expanded joint gluing improves efficiency of assembling.Tube sheet of the present utility model is by least two installation portions and at least Two kinds of mounting grooves coordinate, it is ensured that the sealing between axial tightening power and connecting tube and tube sheet between connecting tube and tube sheet Can, effectively solve current connecting tube and asked with still suffering from not caused enough the sealing of sealing or tightening force after tube plate expanded-connecting sealing Topic, improves sealing effectiveness, increases axial tightening power, and then ensure the reliability of air-conditioner set work.
Because tube sheet has above-mentioned technique effect, including the heat exchanger of above-mentioned tube sheet also there is corresponding technology to imitate Really.
Because heat exchanger has above-mentioned technique effect, including the air-conditioner set of above-mentioned heat exchanger also has accordingly Technique effect.
Brief description of the drawings
Fig. 1 is the broken section structural representation of the tube sheet of the embodiment of the utility model one;
Fig. 2 is the partial enlarged drawing at the A shown in Fig. 1;
Fig. 3 is the partial enlarged drawing at the B shown in Fig. 1;
Fig. 4 be Fig. 1 shown in tube sheet in install connecting tube cross section structure diagram;
Fig. 5 is the partial enlarged drawing at the C shown in Fig. 4;
Fig. 6 is the partial enlarged drawing at the D shown in Fig. 4;
Wherein:
100- tube sheets;
110- heat exchanging holes;
120- seal grooves;
130- stopper slots;
200- connecting tubes;
210- is raised;
220- protuberances.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, by the following examples, and tie Accompanying drawing is closed, air-conditioner set of the present utility model, heat exchanger and its tube sheet are further elaborated.It should be appreciated that this The specific embodiment of place description only to explain the utility model, is not used to limit the utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally;Can be Mechanically connect or electrically connect;Can be joined directly together, can also be indirectly connected to by intermediary, can be two The connection of element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the common skill of this area For art personnel, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature Can be that the first and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.
It should be noted that when element is referred to as " being fixed on " or " being arranged at " another element, it can be directly another On one element or there can also be an element placed in the middle.When an element is considered as " connection " another element, it can be with It is directly to another element or may be simultaneously present centering elements.Term as used herein " vertically ", " level ", " on ", " under ", "left", "right" and similar statement for illustrative purposes only, it is unique implement to be not offered as Mode.
Referring to Fig. 1 and Fig. 4, the utility model provides a kind of tube sheet 100, and the tube sheet 100 is used to install connecting tube 200 In on tube sheet 100, to ensure the sealing property and axial tightening power between connecting tube 200 and tube sheet 100.It is of the present utility model Tube sheet 100 can apply in air-conditioner set, can also be applied to handpiece Water Chilling Units in, with reduce coolant leakage and system water inlet Hidden danger.Moreover, connecting tube 200 can be heat exchanger tube, or the pipeline that other needs are connected with tube sheet 100.Connecting tube 200 are installed in tube sheet 100 of the present utility model, expanded joint are carried out to connecting tube 200 by expansion joint equipment, so that connecting tube 200 Coordinate closely with tube sheet 100, the leakage path between closure connecting tube 200 and tube sheet 100, it is ensured that connecting tube 200 and tube sheet 100 Between axial tightening power and sealing property, still suffered from after effectively solving the sealing of current connecting tube 200 and the expanded joint of tube sheet 100 Sealing or not caused enough the sealing problem of tightening force, improve sealing effectiveness, and then ensure the reliability of air-conditioner set work.
Referring to Fig. 1 and Fig. 4, in an embodiment of the present utility model, the heat exchanging holes of insertion setting are offered on tube sheet 100 110, heat exchanging holes 110 are used for the connecting tube 200 for installing heat exchanger.At least two cross sectional shape phases are further opened with tube sheet 100 Different mounting groove, axis direction of at least two mounting grooves along heat exchanging holes 110 is arranged in rows.Connecting tube 200 is installed to tube sheet 100 Heat exchanging holes 110 in after, it is necessary to by expansion joint equipment by the expanded joint of connecting tube 200 in tube sheet 100.The swollen head of expansion joint equipment is installed In connecting tube 200, swollen head is rotated in connecting tube 200 during expanded joint, and the ball on swollen head can apply expanded joint to connecting tube 200 Active force, so that connecting tube 200 is plastically deformed.The outer surface plastic deformation of connecting tube 200 can form installation portion, also, The quantity of installation portion is consistent with the quantity of mounting groove, and the shape of installation portion is adapted with the shape of corresponding mounting groove.At least Two installation portions can be respectively installed at least two mounting grooves, because the cross sectional shape of at least two mounting grooves is different, peace The shape for the installation portion being attached at least two mounting grooves is consistent with the shape of mounting groove, so ensure that connecting tube Sealing property between 200 and tube sheet 100.Meanwhile, the species of mounting groove is at least two, so can mounting groove with it is corresponding Installation portion ensure that axial tightening power and sealing property after coordinating.Specifically, axle of at least two mounting grooves along heat exchanging holes 110 Line direction is arranged in rows, after the installation portion of the formation of connecting tube 200 coordinates with mounting groove of different shapes, can make every kind of mounting groove The tightening force being subject between installation portion is different so that installation portion will not be skidded off from mounting groove, so increase tube sheet 100 with Tightening force between connecting tube 200, to ensure the tensile property and sealing property between installation portion and mounting groove, blocks connecting tube Leakage path between 200 and tube sheet 100, it is ensured that sealing effectiveness, improves the sealing property between connecting tube 200 and tube sheet 100.
Tube sheet 100 of the present utility model can be such that connecting tube 200 is installed on by expanded joint mode on tube sheet 100, to ensure Tensile property between connecting tube 200 and tube sheet 100, and then ensure tube sheet 100 and the sealing property of the junction of connecting tube 200. Connecting tube 200 is installed in the heat exchanging holes 110 of tube sheet 100, and connecting tube 200 can be plastically deformed by expanded joint mode, and At least two installation portions are formed on the surface of connecting tube 200, at least two installation portions can be respectively arranged in tube sheet 100 extremely In few two kinds of mounting grooves.Because the cross sectional shape of at least two mounting grooves is different and is set in column along the axial direction of heat exchanging holes 110 Put, the pulling force that so every kind of mounting groove is subject to after coordinating from corresponding installation portion is also different, and then increase tube sheet 100 and connecting tube Tightening force between 200 so that installation portion will not be skidded off from mounting groove, to ensure the sealing between installation portion and mounting groove Can, the leakage path between block connecting tube 200 and tube sheet 100, it is ensured that sealing effectiveness, improve connecting tube 200 and tube sheet 100 it Between sealing property.Meanwhile, tube sheet 100 is simple in construction, and being coordinated by least two installation portions and at least two mounting grooves can Tensile property and sealing effectiveness that connecting tube 200 is installed are improved, without smearing fluid sealant between tube sheet 100 and connecting tube 200 again, The problem of solving expanded joint gluing, improves efficiency of assembling.Tube sheet 100 of the present utility model passes through at least two installation portions and at least two Plant mounting groove to coordinate, it is ensured that between the axial tightening power and connecting tube 200 and tube sheet 100 between connecting tube 200 and tube sheet 100 Sealing property, effectively solve to still suffer from sealing after the sealing of current connecting tube 200 and the expanded joint of tube sheet 100 or tightening force be inadequate Caused sealing problem, improves sealing effectiveness, increases axial tightening power, and then ensure the reliability of air-conditioner set work.
Referring to Fig. 1 to Fig. 3, in the present embodiment, the different mounting groove of cross sectional shape is two kinds, respectively seal groove 120 And stopper slot 130.Specifically, can according to mounting groove shape is different and mounting groove is divided into two by the corresponding function of mounting groove Kind.Certainly, in other embodiment of the present utility model, the species of mounting groove can also be divided into three kinds or more kinds of.It is close Sealing groove 120 can sealed joint pipe 200 and the junction of tube sheet 100, stopper slot 130 can limit connecting tube 200 along heat exchanging holes 110 Axis direction displacement.Seal groove 120 is annularly arranged at heat exchanging holes 110 with circumferential direction of the stopper slot 130 along heat exchanging holes 110 On inwall, and axis direction of the seal groove 120 with stopper slot 130 along heat exchanging holes 110 is arranged in rows.It so ensure that tube sheet 100 with the sealing property of connecting tube 200.And referring to Fig. 4 to Fig. 6, connecting tube 200 is installed on heat exchanging holes 110 by expanded joint mode When, a part of outer wall of connecting tube 200 can fit with the inwall of seal groove 120, and another part outer wall of connecting tube 200 is also It can be in contact with the inwall of stopper slot 130.
Simultaneously as being provided with seal groove 120 and stopper slot 130 on the inwall of heat exchanging holes 110, connecting tube 200 is by swollen When the mode of connecing is installed in the heat exchanging holes 110 of tube sheet 100, the outer wall of connecting tube 200 can be to meeting in the presence of expanded joint active force Occurring plastic deformation makes the outer surface of connecting tube 200 towards deforming at the seal groove 120 and stopper slot 130 of tube sheet 100. That is, connecting tube 200 is plastically deformed on the outer surface for making connecting tube 200 by expanded joint mode and produces installation portion, accordingly The quantity of installation portion be equal to the quantity of mounting groove, and be adapted respectively with the shape of mounting groove.In the present embodiment, installation portion Species be respectively projection 210 and protuberance 220, the projection 210 can be installed in the seal groove 120 of tube sheet 100, the protrusion Portion 220 can be installed in stopper slot 130.Seal groove 120 is for sealing, and the projection 210 of connecting tube 200 is installed It is engaged into seal groove 130 and with seal groove 130, ensure that the sealing effectiveness between connecting tube 200 and tube sheet 100.Limit Position groove 130 is for spacing, to limit the displacement of connecting tube 200 in heat exchanging holes 110 in axial direction.Stopper slot 130 with The protuberance 220 formed after the expanded joint of connecting tube 200, which is engaged mainly, two effects, and an effect is that protuberance 220 can be with The side wall of stopper slot 130 is in contact, plug leak passage, further enhances the sealing effect between tube sheet 100 and connecting tube 200 Really;It is that the cooperation of protuberance 220 and stopper slot 130 ensure that the axial direction between connecting tube 200 and tube sheet 100 that another, which is acted on, Tightening force.
Further, seal groove 120 has sealing surfaces, and stopper slot 130 has stop surface.Connecting tube 200 is installed on During heat exchanging holes 110, the projection 210 of the expanded joint of connecting tube 200 formation can fit with the sealing surfaces of seal groove 120, connecting tube The protuberance 220 of 200 expanded joints formation can be in contact with the stop surface of stopper slot 130.Connecting tube 200 is installed to tube sheet 100 Heat exchanging holes 110 in after, the expanded joint of connecting tube 200 formation projection 210 can be fitted close with seal groove 120, with ensure seal Performance;The protuberance 220 of the expanded joint of connecting tube 200 formation can be in contact with the stop surface of stopper slot 130, and stop surface can The axial displacement of protuberance 220 is limited, and then limits the displacement of connecting tube 200 in axial direction, increase connecting tube 200 and tube sheet Axial tightening power between 100, it is ensured that connecting tube 200 and the bonding strength of tube sheet 100 when pressure is larger.
Seal groove 120 and stopper slot 130 on tube sheet 100 of the present utility model by expanded joint mode with being mounted thereto changing Connecting tube 200 in hot hole 110 is engaged so that the projection 210 that the plastic deformation of connecting tube 200 is produced can fill full seal groove 120, it is ensured that the inner surface of seal groove 120 and the outer surface of projection 210 are brought into close contact, between block connecting tube 200 and tube sheet Leakage path, it is ensured that sealing effectiveness, the protuberance 220 that the plastic deformation of connecting tube 200 is produced is located in stopper slot 130, to limit The displacement of connecting tube 200 in axial direction, the axial tightening power between increase connecting tube 200 and tube sheet 100.So, without It is that the sealing between connecting tube 200 and tube sheet can be achieved that fluid sealant is smeared between connecting tube 200 and tube sheet 100, saves assembler Sequence, improves efficiency of assembling.
Tube sheet 100 of the present utility model is used to the connecting tube 200 of heat exchanger being installed on tube sheet by expanded joint mode. Connecting tube 200 is installed in the heat exchanging holes 110 of tube sheet 100, and connecting tube 200 can be plastically deformed by expanded joint mode, and Projection 210 is formed on the surface of connecting tube 200, the projection 210 can be installed in the seal groove 120 of tube sheet 100.Also, Due to the arc that is shaped as of seal groove 120, the outer surface that connecting tube 200 forms projection 210 by expanded joint mode can be with sealing The curved surfaces of groove 120 are brought into close contact, to block the leakage path between connecting tube 200 and tube sheet 100, it is ensured that projection 210 Outer surface and the curved surfaces sealing effectiveness of seal groove 120, improve the sealing property between connecting tube 200 and tube sheet 100.Together When, tube sheet 100 is simple in construction, can be improved and is connected with the cooperation of the curved surfaces of seal groove 120 by raised 210 outer surface The sealing effectiveness that pipe 200 is installed, without smearing fluid sealant between tube sheet 100 and connecting tube 200 again, solves asking for expanded joint gluing Topic, improves efficiency of assembling.Curved surfaces and expanded joint that tube sheet 100 of the present utility model passes through seal groove 120 Connecting tube 200 afterwards is in contact, it is ensured that the sealing property between connecting tube 200 and tube sheet 100, effectively solves current connecting tube 200, with still suffering from the caused seal failure problem of leakage after tube plate expanded-connecting sealing, improve sealing effectiveness, and then ensure air-conditioner set The reliability of work.
As a kind of embodiment, the cross sectional shape of seal groove 120 is shaped form, so connecting tube 200 can be made swollen The shape for raw projection 210 of practicing midwifery is consistent with the shape of seal groove 120, is easy to the projection 210 of connecting tube 200 and can fill full Seal groove 120, makes the inner surface of seal groove 120 be fitted completely with the outer surface of the projection 210 of connecting tube 200, it is ensured that closure sealing Leakage path between groove 120 and connecting tube 200, it is ensured that the sealing effectiveness between tube sheet 100 and connecting tube 200.It is preferred that In the present embodiment, the cross sectional shape of seal groove 120 is arc.Cross sectional shape can be easy to connecting tube for the seal groove 120 of arc The projection 210 being engaged with arc seal groove 120, and then the filling of projection 210 full seal groove 120 are produced during 200 expanded joint, it is ensured that close The inner surface of sealing groove 120 and the outer surface of projection 210 are brought into close contact, and the leakage path between block connecting tube 200 and tube sheet rises To sealing function, it is ensured that sealing effectiveness.Certainly, in other embodiment of the present utility model, the cross sectional shape of seal groove 120 It can also be V-arrangement, polygon or irregular shape, can also be spliced to form by multistage arc.
Also, the cross sectional shape of stopper slot 130 is rectangle, when connecting tube 200 is installed in heat exchanging holes 110, connecting tube 200 By the swollen head extruding of expansion joint equipment occur it is irregular be plastically deformed protuberance 220, and enter the stopper slot 130 of rectangle In.Due to the limitation of the shape of stopper slot 130, the protuberance 220 that connecting tube 200 is formed after being plastically deformed is irregular state, And then cause protuberance 220 from being filled up completely with the stopper slot 130 of full rectangle, the surface of protuberance 220 can only part with it is spacing The side wall of groove 130 is in contact.The stopper slot 130 of rectangle is engaged with the protuberance 220 formed after the expanded joint of connecting tube 200 mainly to be had Two effects, an effect is that protuberance 220 can be in contact with the side wall of stopper slot 130, plug leak passage, is further increased Strong sealing effectiveness between tube sheet 100 and connecting tube 200;Another effect is protuberance 220 can with the cooperation of stopper slot 130 Ensure the axial tightening power between connecting tube 200 and tube sheet 100.Specifically, because the side wall of stopper slot 130 is relative to heat exchanging holes It is vertically disposed for 110 inwall, the side wall of stopper slot 130 can limit protuberance 220 and be skidded off from stopper slot 130, To limit the displacement of connecting tube 200 in axial direction, also, while side wall limitation 220 position of protuberance of stopper slot 130 also Can guarantee that the axial tightening power between connecting tube 200 and tube sheet 100, strengthen the intensity of tube sheet 100, so extend tube sheet 100 with Burn-out life at the cooperation of connecting tube 200.
As a kind of embodiment, the quantity of seal groove 120 and the quantity of stopper slot 130 are one, and stopper slot 130 are located between seal groove 120 and the outer wall of tube sheet 100.The inwall of tube sheet 100 can be contacted with refrigerant or aqueous phase, tube sheet 100 Outer wall can not then have refrigerant or water, if there is can then can be shown that between tube sheet 100 and connecting tube 200 exist leakage.And Between the outer wall of seal groove 120 and tube sheet 100, that is, the refrigerant or water leaked first can be in contact with seal groove 120, pass through seal groove 120 and raised 210 cooperation plug leak passage, refrigerant or water is tried one's best can not enter in stopper slot 130.If passing through sealing When groove 120 still suffers from refrigerant or the water phenomenon of leakage after sealing, the cooperation by stopper slot 130 and protuberance 220 is ensureing to connect While axial tightening power between adapter 200 and tube sheet 100, it is further ensured that between tube sheet 100 and connecting tube 200 and seals. Certainly, stopper slot 130 may be alternatively located at the front side of seal groove 120.The refrigerant or water leaked first can be in contact with stopper slot 130.
As a kind of embodiment, the quantity of seal groove 120 is at least two, and at least two seal grooves 120 are along heat exchange The axial direction in hole 110 is arranged in rows, and there is spacing between adjacent two seal grooves 120.Connecting tube 200 passes through expanded joint side When formula is installed in the heat exchanging holes 110 of tube sheet 100, due to the external surface shape of connecting tube 200 can become with heat exchanging holes 110 Raised 210 quantity and the seal groove 120 on tube sheet 100 that plastic deformation is produced occur for the consistent shape of wall, i.e. connecting tube 200 Quantity is consistent, the projection 210 that each one plastic deformation of connecting tube 200 of the correspondence of seal groove 120 is produced.It is close by least two The projection 210 that sealing groove 120 is formed after being plastically deformed respectively with connecting tube 200 is engaged installation, and each raised 210 can fill Full corresponding seal groove 120, the inner surface and the outer surface of projection 210 for making seal groove 120 is brought into close contact.So, when there is refrigerant Or water is when entering the gap between tube sheet 100 and connecting tube 200, the tight fit of projection 210 and seal groove 120 can stop The flowing of part refrigerant or water, it is at least convex because at least two seal grooves 120 are set along the axial unwrapping wire of heat exchanging holes 110 When playing 210 and filling full at least two seal groove 120 respectively, refrigerant or water can repeatedly be stopped, reduction coolant leakage and The hidden danger of system water inlet, it is ensured that sealing effectiveness.Certainly, in other embodiment of the present utility model, at least two seal grooves 120 can also continuously be set.That is, neighbour set of at least two seal groove 120 forms waveform, the so company of enabling to Adapter 200 can produce the projection 210 being adapted with waveform in expanded joint, it is ensured that connecting tube 200 can with the sealing of tube sheet 100 Lean on.
It is preferred that stopper slot 130 is located between two adjacent seal grooves 120.So can be before and after stopper slot 130 Both sides form sealing ring, it is ensured that tube sheet 100 and the sealing effectiveness of connecting tube 200.Certainly, stopper slot 130 is close positioned at least two The rear side of sealing groove 120.It so also ensure that the sealing effectiveness of tube sheet 100 and connecting tube 200.Certainly, the quantity of stopper slot 130 For at least two, at least two stopper slots 130 and at least two seal grooves 120 are staggeredly arranged at intervals.It so also ensure that pipe Plate 100 and the sealing effectiveness of connecting tube 200.
As a kind of embodiment, the scope of the central angle of the arc section of seal groove 120 is 60 °~210 °.Such energy Enough it is easy to the machine-shaping of seal groove 120, while plastic deformation during 200 expanded joint of connecting tube can also be easy to enter seal groove In 120, it is easy to assembling.It is preferred that in the present embodiment, the scope of the central angle of the arc section of seal groove 120 for 90 °~ 180°.That is, the arc of seal groove 120 chooses the upper string section of circle.
Further, the depth h1 of radial direction of the seal groove 120 along heat exchanging holes 110 scope is 2mm~3mm.Sealing The radius R of the arc section of groove 120 size range is 5mm~6mm.After being so plastically deformed ensureing connecting tube 200 The full seal groove 120 of the filling of projection 210, while the length of seal groove 120 in axial direction can also be increased, and then extend refrigerant or The flow path of water, reduces slip, it is ensured that sealing effectiveness.It can also enough between increase connecting tube 200 and tube sheet 100 Contact area, to increase axial tightening power, it is ensured that tube sheet 100 is fixed reliably with connecting tube 200.Yet further, seal groove 120 It is 2mm~3mm along the A/F W1 of the axial direction of heat exchanging holes 110 scope.
Further, the depth h2 of radial direction of the stopper slot 130 along heat exchanging holes 110 scope is 3mm~4mm.This Sample can increase the increase axial tightening power between connecting tube 200 and tube sheet 100, it is ensured that tube sheet 100 is fixed with connecting tube 200 can Lean on.It can also the enough length of increase seal groove 120 in axial direction, and then extend the flow path of refrigerant or water, reduction is let out Leak rate, it is ensured that sealing effectiveness.Also, the width W2 of axial direction of the stopper slot 130 along heat exchanging holes 110 scope be 2mm~ 3mm.Now, the cross sectional shape of stopper slot 130 is rectangle.Certainly, the width of axial direction of the stopper slot 130 along heat exchanging holes 110 The depth h2 for spending the radial direction that W2 can also be with stopper slot 130 along heat exchanging holes 110 is equal.Now, the cross sectional shape of stopper slot 130 For square.No matter the cross sectional shape of stopper slot 130 is rectangle or square, after being plastically deformed with connecting tube 200 Protuberance 220 can increase the axial tightening power between connecting tube 200 and tube sheet 100 after being in contact, it is ensured that tube sheet 100 it is strong Degree.
In the present embodiment, the quantity of seal groove 120 is two, and the cross sectional shape of seal groove 120 is arc;Rectangular channel Quantity be one, and stopper slot 130 cross sectional shape it is rectangular set.Stopper slot 130 is located between two seal grooves 120, Also, the distance between the seal groove 120 adjacent with both sides of stopper slot 130 is identical.That is, tube sheet 100 is upper using close The mode and connecting tube 200 of sealing groove 120+ stopper slot 130+ seal grooves 120 are engaged, during 200 expanded joint of connecting tube, connecting tube 200 The projection 210 that plastic deformation is produced can fill the seal groove 120 of full arc, make outer surface and the seal groove 120 of projection 210 Inner surface is close, it is ensured that sealing effectiveness;Connecting tube 200 is plastically deformed the side wall that the protuberance 220 produced can be with stopper slot 130 It is in contact, it is ensured that the axial tightening power between connecting tube 200 and tube sheet 100, strengthens the intensity of tube sheet 100.Also, two sealings Groove 120 is disposed on the both sides of stopper slot 130, two seal grooves 120 and raised 210 phase formed after the expanded joint of connecting tube 200 Cooperation can form double seal ring, play a part of " dual fail-safe ", it is ensured that the sealing effectiveness between tube sheet 100 and connecting tube 200, Slip is effectively reduced, simultaneously, moreover it is possible to avoid position of the connecting tube 200 in tube sheet 100 from occurring play, it is ensured that performance.
The utility model additionally provides the tube sheet 100 in a kind of heat exchanger, including connecting tube 200 and above-described embodiment. Connecting tube 200 is heat exchanger tube, and connecting tube 200 is installed in the heat exchanging holes 110 of tube sheet 100, and passes through expanded joint mode and tube sheet 100 Mounting groove be engaged.Heat exchanger of the present utility model realized by tube sheet 100 and is tightly connected with connecting tube 200, closure Leakage path between connecting tube 200 and tube sheet 100, it is ensured that the sealing effectiveness between connecting tube 200 and tube sheet 100, also simultaneously The axial tightening power between connecting tube 200 and tube sheet 100 can be improved, connecting tube 200 is reliably fixed in tube sheet 100, with Improve the service life of heat exchanger, the hidden danger that reduction coolant leakage is intake with system.
The utility model additionally provides a kind of air-conditioner set, including the heat exchanger in above-described embodiment.The utility model Air-conditioner set by tube sheet 100 realize with connecting tube 200 be tightly connected improve heat exchanger sealing effectiveness and use the longevity Life, and then improve the performance of air-conditioner set.
Embodiment described above only expresses several embodiments of the present utility model, and it describes more specific and detailed, But therefore it can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that for the common of this area For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims (18)

1. a kind of tube sheet, it is characterised in that the heat exchanging holes for installing connecting tube (200) are offered on the tube sheet (100) (110);
The different mounting groove of at least two cross sectional shapes is further opened with the tube sheet (100);
Axis direction of the mounting groove described at least two along the heat exchanging holes (110) is arranged in rows.
2. tube sheet according to claim 1, it is characterised in that the different mounting groove of cross sectional shape is two kinds, respectively For seal groove (120) and stopper slot (130);
The seal groove (120) can seal the junction of the connecting tube (200) and the tube sheet (100);The stopper slot (130) displacement of the connecting tube (200) along the heat exchanging holes (110) axis direction can be limited.
3. tube sheet according to claim 2, it is characterised in that the seal groove (120) and the stopper slot (130) are along institute The circumferential direction for stating heat exchanging holes (110) is annularly arranged on the inwall of the heat exchanging holes (110).
4. tube sheet according to claim 2, it is characterised in that the seal groove (120) has sealing surfaces, described spacing Groove (130) has stop surface;
When the connecting tube (200) is installed on the heat exchanging holes (110), the projection (210) of connecting tube (200) the expanded joint formation It can be fitted with the sealing surfaces of the seal groove (120), protuberance (220) energy of connecting tube (200) the expanded joint formation It is enough to be in contact with the stop surface of the stopper slot (130).
5. tube sheet according to claim 2, it is characterised in that the cross sectional shape of the seal groove (120) is arc or V Shape;
The cross sectional shape of the stopper slot is rectangle.
6. the tube sheet according to any one of claim 2 to 5, it is characterised in that the quantity of the seal groove (120) with it is described The quantity of stopper slot (130) is one, and the stopper slot (130) is located at the seal groove (120) and the tube sheet (100) Outer wall between.
7. the tube sheet according to any one of claim 2 to 5, it is characterised in that the quantity of the seal groove (120) is at least Two, arranged in rows and adjacent two of axial direction of the seal groove described at least two (120) along the heat exchanging holes (110) There is spacing between the seal groove (120).
8. the tube sheet according to any one of claim 2 to 5, it is characterised in that the quantity of the seal groove (120) is at least Two, axial direction of the seal groove described at least two (120) along the heat exchanging holes (110) is arranged in rows, and at least two institutes State seal groove (120) continuously setting.
9. tube sheet according to claim 7, it is characterised in that it is described close that the stopper slot (130) is located at adjacent two Between sealing groove (120).
10. tube sheet according to claim 7, it is characterised in that the stopper slot (130), which is located at described at least two, to be sealed The rear side of groove (120).
11. tube sheet according to claim 7, it is characterised in that the quantity of the stopper slot (130) is at least two, extremely Few two stopper slots (130) and seal groove (120) described at least two interlock interval setting.
12. tube sheet according to claim 5, it is characterised in that the model of the central angle of seal groove (120) arc section Enclose for 60 °~210 °.
13. tube sheet according to claim 5, it is characterised in that the seal groove (120) is along the heat exchanging holes (110) The depth bounds of radial direction is 2mm~3mm;
The size range of the radius of the arc section of the seal groove (120) is 5mm~6mm.
14. tube sheet according to claim 13, it is characterised in that the seal groove (120) is along the heat exchanging holes (110) The opening width range of axial direction is 2mm~3mm.
15. tube sheet according to claim 5, it is characterised in that the stopper slot (130) is along the heat exchanging holes (110) The depth bounds of radial direction is 3mm~4mm.
16. tube sheet according to claim 15, it is characterised in that the stopper slot (130) is along the heat exchanging holes (110) The width of axial direction and the deep equality of radial direction of the stopper slot (130) along the heat exchanging holes (110);
Or, the width range of axial direction of the stopper slot (130) along the heat exchanging holes (110) is 2mm~3mm.
17. a kind of heat exchanger, it is characterised in that including connecting tube (200) and the pipe as described in any one of claim 1 to 16 Plate (100);
The connecting tube (200) is heat exchanger tube, and the connecting tube (200) is installed on the heat exchanging holes (110) of the tube sheet (100) In, and be engaged by expanded joint mode with the mounting groove of the tube sheet (100).
18. a kind of air-conditioner set, it is characterised in that including heat exchanger as claimed in claim 17.
CN201720090233.4U 2017-01-23 2017-01-23 Air-conditioner set, heat exchanger and its tube sheet CN206488685U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720090233.4U CN206488685U (en) 2017-01-23 2017-01-23 Air-conditioner set, heat exchanger and its tube sheet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720090233.4U CN206488685U (en) 2017-01-23 2017-01-23 Air-conditioner set, heat exchanger and its tube sheet

Publications (1)

Publication Number Publication Date
CN206488685U true CN206488685U (en) 2017-09-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720090233.4U CN206488685U (en) 2017-01-23 2017-01-23 Air-conditioner set, heat exchanger and its tube sheet

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Country Link
CN (1) CN206488685U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595376A (en) * 2017-01-23 2017-04-26 格力电器(合肥)有限公司 Air conditioner unit, heat exchanger and tubular plate
CN108088284A (en) * 2017-12-04 2018-05-29 唐山三友集团兴达化纤有限公司 A kind of zirconium heat exchange of heat pipe
CN108106483A (en) * 2017-12-04 2018-06-01 唐山三友集团兴达化纤有限公司 A kind of new card

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106595376A (en) * 2017-01-23 2017-04-26 格力电器(合肥)有限公司 Air conditioner unit, heat exchanger and tubular plate
CN108088284A (en) * 2017-12-04 2018-05-29 唐山三友集团兴达化纤有限公司 A kind of zirconium heat exchange of heat pipe
CN108106483A (en) * 2017-12-04 2018-06-01 唐山三友集团兴达化纤有限公司 A kind of new card
CN108088284B (en) * 2017-12-04 2020-05-22 唐山三友集团兴达化纤有限公司 Zirconium tube heat exchanger

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