CN103775789B - There is the housing of two housing parts being made of plastics - Google Patents
There is the housing of two housing parts being made of plastics Download PDFInfo
- Publication number
- CN103775789B CN103775789B CN201310756897.6A CN201310756897A CN103775789B CN 103775789 B CN103775789 B CN 103775789B CN 201310756897 A CN201310756897 A CN 201310756897A CN 103775789 B CN103775789 B CN 103775789B
- Authority
- CN
- China
- Prior art keywords
- housing
- housing parts
- connector
- parts
- sealed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/22—Arrangements for enabling ready assembly or disassembly
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Connection Of Plates (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to a kind of housing (1), there are a housing axis (8) and two housing parts being made of plastics (2,3), there is the boundary seam extended transverse to housing axis between the housing parts, wherein, housing parts (2,3) utilizes the power (F) that the housing axis (8) along housing (1) acts on to clamp toward each other by least one connector (7) being connected sealed with housing parts (2,3) material being made up of plastics.
Description
Technical field
The present invention relates to a kind of housing, have two housing parts being made of plastics, described housing parts utilizes the power along housing axis or effect parallel with it to clamp toward each other.Force direction or housing axis extend transverse to the boundary seam existed between the housing parts or separating surface at this.Housing parts or recline directly with one another, otherwise clamping has component between the housing parts, for instance other housing parts and sealing member.Require the clamping of described type when the inner chamber surrounded by housing parts needs and seals relative to surrounding, this is such as when pump case.
Background technology
It is used mostly bolt and carrys out holding housing portions.But when temperature conditions changes, for instance the extremely different thermal expansion as the situation in automobile making, metal and plastics is problematic as.The thermal coefficient of expansion several times bigger than metal material of plastics such as POM or HDPE.This point causes owing to when temperature raises, plastic material extends along the relative length of bolt axis direction, makes the material area that housing parts is loaded by bolt head or nut bear the prestressed load of the bolt beyond defined.The flowing of plastic material there is, namely the depression phenomenon in described material area at this.If housing and then cooling, then housing parts no longer compresses toward each other with the power of regulation, to such an extent as to no longer ensure to connect reliably and therefore relative to the sealing of surrounding.
Summary of the invention
Thus set out, it is an object of the invention to, it is proposed to a kind of housing starting described type and a kind of method for installing this housing, they offer help in described problem.
In housing, described purpose is achieved according to following housing, it has a housing axis and two housing parts being made of plastics, there is a boundary seam extended transverse to housing axis between the housing parts, wherein, two housing parts of one housing are made up of plastics by least one, the connector that be connected sealed with housing parts material utilizes the power along the housing axis effect of housing to clamp toward each other, and at least one connector described and a housing parts are so constituted, so that they utilize the sealed mutual maintenance of shape under not yet sealed with the connector material pre-mounted state being connected of housing parts, wherein, at least one connector described and a housing parts welding.
It is being used for installing in the installation method of above-mentioned housing, described purpose is thus achieved, namely housing parts is placed in centre if desired and is pressed against each other when applying clamping force by clamping device in other component situations, wherein, material between at least one connector described and a housing parts is sealed be connected to applying power during realize.
For the required power of safety clamping actually only by housing parts be clamped in if desired based on the elastic reset power of component therebetween, this reset force is the result of the previous elastic deformation by clamping device enforcement of the material of the preferably at least described parts that part is made up of plastic material.Because the plastics considered for manufacturing housing parts have closely similar thermal coefficient of expansion, so the intensity of the connection between housing parts and other components being disposed there between only changes with insignificant degree.Reduce bonding strength or single or these connectors the depression phenomenon affecting the clamping force connected is eliminated.This point is when housing parts and connector are made up of the plastics being respectively provided with identical thermal coefficient of expansion.At this, it is possible to be a kind of and same or different plastics.
In the sealed load being connected to the material depression causing connecting portion of described material between at least one connector and housing parts not unkindly particularly when as like that connector and housing parts being welded to each other in a kind of particularly preferred embodiment, it is preferred to use laser weld is connected with each other.
At least one connector described is configured to independent parts, wherein, then needs to weld with each housing parts in two housing parts.If connector is with its one end and a housing parts integrated connection, it is possible to avoid twice welding.Additionally, decrease the quantity of required parts in this manner.
A kind of embodiment regulation particularly having the advantage that in mounting technique, at least one connector described and a housing parts are so constituted, so that they utilize the sealed mutual maintenance of shape under not yet sealed with the connector material pre-mounted state being connected of housing parts.Housing and if desired sandwich-type arrange component between the housing parts can so degree installation in this manner, so that the equal position of all constituents of housing is accurately aligned with each other, such that it is able to such as operate without any problems and except the compaction process in clamping device when transport is to clamping device above-mentioned, it is no longer necessary to other operation.By the sealed such composition of shape, so that it is against direction of engagement, that direction that when namely installing, housing parts engages is invalid, and housing parts and the component being disposed there between if desired can be connected with each other under jointly compressing along direction of engagement and then clamp along direction of engagement with at least one connector described.
The easily fabricated joint of the component that housing parts and being likely to is disposed there between can reach according to particularly simple mode, and connecting and composing between at least one connector described and a housing parts connects for buckle-type.The probability opened up at this is, makes the parts to connect close to each other with the direction of engagement extended along housing axis, until buckle-type be connected to composition shape sealed when become effectively and thus to make the single part of housing to engage.
For making connector not stretch out from the outside of housing and such as produce interference when being arranged on by housing in loading space, there is dimple in the outside of a housing parts, this dimple is at least part of, it is preferable that itself hold the section of the overlap joint housing parts of connector completely.For reaching the latter, the degree of depth of dimple is equal to or more than the thickness of overlap joint section.
In a kind of particularly preferred embodiment, there is the connector of multiple circumferentially spaced about distance at housing parts, wherein, these connectors are preferably configured as arm, and these arms are with its one end and a housing parts integrated connection in two housing parts.Shape above-mentioned is locked together under pre-mounted state according to plain mode by a free end being molded into an arm, namely can not indulge, transverse to it, the crossbeam stretched with on one end of housing parts integrated connection.
Accompanying drawing explanation
By accompanying drawing, the present invention is described in detail below.Wherein:
Fig. 1 illustrates the diagrammatic side view of the housing being clamped in hold down gag,
Fig. 2 illustrates the side view of the pump of the motor having Flange joint on pump case,
Fig. 3 illustrates the perspective exploded view of the cross-section of the pump of Fig. 2.
Detailed description of the invention
The housing 1 of integral form is shown at Fig. 1.This housing includes two housing parts, i.e. first housing parts 2 and second housing parts 3.Two housing parts have the contour shape of general square shape.Housing parts basically constitutes as discoidal.They its corresponding moulding independently have contact surface 4,5.In the simple embodiment of one, the direct (not shown) that mutually reclines of contact surface 4,5.But in the embodiment shown in fig. 1, other components 6a, b, c are set between first and second housing parts 2,3.Housing parts 2,3 by multiple, in this example be made by four connectors 7 utilize along housing axis 8 direction effect power F clamp toward each other, thus component 6a 6c be clamped or be pressed between housing parts 2,3.Force direction and housing axis 8 extend transverse to the contact surface 4,5 of housing parts 2,3.
In the example of fig. 1, the first housing parts 2 exist four along its circumferencial direction connector 7 separated by a distance.These connectors are not here be configured to independent parts, but with the first housing parts 2 integrated connection.Connector 7 is with metal tape or connects the arm 9 that sheet form is constituted.They edges are integrally formed in regularly on the first housing parts 2 and are parallel to housing axis 8 and extend.They overlap the second housing parts 3 with overlap 10 in the outside 13 of the second housing parts.Overlap 10 and the second housing parts 3 material are connected cohesively together, and namely connect by laser weld.For carrying out this welding, at least overlap 10 of the first housing parts 2 or arm 9 can by laser penetration.The region of at least one overlapped district 10 overlap joint of the second housing parts 3 or the second housing parts 3 is made up of the plastic material absorbing laser.This plastic material can such as contain the carbon black pellet embedded.By overlap 10 is applied laser beam, make the melt material being under it of the second housing parts 3, thus producing the connecting portion of such as point-like between arm 9 and the second housing parts 3.
For installing housing 1, by a clamping device 15, two housing parts 2,3 are applied the power along the effect of housing axis 8 direction.Clamping device includes such as one along the movable drift in housing axis 8 direction 16 and a fixing underframe 17, and wherein, two housing parts 2,3 are arranged between drift and underframe.Each other housing parts 3 is pressed to together with component 6a 6c by the first housing parts 2 of drift feeding, supporting arm 9 or connector 7.At this, the direction along housing axis 8 makes housing parts 2,3 and component 6a 6c elastic deformation or compression.Then, during applying prespecified power F, between overlap 10 and second housing parts 3 of arm 9, the connection that material is sealed is produced.As long as in material cooling and the solidification of connecting portion 14 fusing, taking out housing 1 with regard to travelling backwards drift 16 and from clamping device 15.Housing parts 2,3 and component 6a 6c cause elastic reset power due to the elastic deformation produced by drift 16, and this reset force acts on and is imported into along the direction of housing axis 8 in connector 7 or arm 9.
The component 6c being arranged between housing parts 2,3 can be the flexible sheet 19 as being made up of rubber type of material, and this diaphragm is clamped between two components 6a, 6b.
The pump illustrated in figs 2 and 3 is a kind of diaphragm pump, for instance air driven pump.As in embodiment also described above, the housing 1a of pump also has first housing parts 2 and second housing parts 3.One motor 24 Flange joint to the second housing parts 3 on the bottom surface 23 that housing axis 8 extends.It arranges the first housing parts 2 of air intake adapter 25 and includes the circumferencial direction along housing parts 2a of four global formations connector 7 separated by a distance or arm 9 equally.
Arm 9 overlaps in the dimple 26 that the overlap 10 of the second housing parts 3 is respectively at outside 13 in outside 13 with it.The thickness 27 of arm 9 or overlap is equivalent to the degree of depth 28 of dimple, thus overlap 10 does not stretch out from the outside 13 of the second housing parts 3 or is fully received therein.
Constitute a kind of sealed against the effective shape of direction of engagement 35 between free end 29 and second housing parts 3 of arm 9.On the sealed housing 1a being not limited in Fig. 2 and 3 of this shape, but may reside in arbitrary hull shape, it is also possible to be present in the hull shape of Fig. 1.Described shape is locked together under pre-mounted state effectively, and its middle housing part 2,3 is not yet connected with each other by least one connector 7, and therefore under the example case of Fig. 2 and 3, arm 9 is not yet sealed with the second housing parts 3 material to be connected.Shape is sealed so to be constituted generally, so that free end 29 or arm 9 have interlocking part 30 below, corresponding surface 33 combined effect of described interlocking part below and dorsad the first housing parts 2.Therefore first housing parts 2 and the middle component 6 placed from the second housing parts 3 along the direction of arrow 34, namely can not leave the second housing parts 3 against direction of engagement 35.On the contrary, along direction of engagement 35, namely when assembling the single ingredient of housing, shape is sealed invalid.Therefore in clamping device 15 when pressing housing parts 2,3 and component 6, arm 9 can move along direction of engagement 35 relative to second component 3, does not therefore interfere with the axial pressing of housing ingredient.To this this point it can be seen that rabbet below and there is a gap or axial distance 36 between part 30 and corresponding surface 33 under the final installment state of Fig. 2.In the instantiation of the diaphragm pump illustrated in figs 2 and 3, sealed for constituting shape at free end 29, crossbeam 37 is molded on two opposite arm 9'.Its laterally beyond arm 9', the upper prismatic that points to the first housing parts 2 become after interlocking part 30.Dimple 26 is configured to complementary with crossbeam 37.It has region 38 that extend extension transverse to housing axis 8, that hold crossbeam 37.In this region, dimple 26 has the wall 39 that the circumferencial direction transverse to housing axis 8 or along the second housing parts extends, and this wall is formed and the interlocking coefficient corresponding surface 33 of part 30 below.Alleged housing axis 8 is generally parallel to direction of engagement 35 and extends.
The diaphragm pump talked about, except two housing parts 2,3, also includes the component 6d to 6g being disposed there between.Component 6d is the housing parts of a can-like, and this housing parts holds the component 6e forming pump diaphragm 39.Pump diaphragm 39 includes amounting to four pump chambers 40, and these pump chambers stretch out from component 6d with bolt head 43 in downside.Bolt head 43 is used for handling pump diaphragm, expands namely for when sucking and carry air and reduces pump chamber 40.Pump diaphragm 39 has edge protuberance portion 35, and it is clamped between the component 6f of component 6d and discoid composition.Last component 6g is a valve film, and it is clamped between the first housing parts 2 and component 6f and includes controlling the valve member (not shown) freely cut of valve opening.
Claims (15)
1. housing (1), there are a housing axis (8) and two housing parts being made of plastics (2, 3), there is a boundary seam extended transverse to housing axis between the housing parts, wherein, described housing parts (2, 3) it is made up of plastics by least one, with housing parts (2, 3) connector (7) of the sealed connection of material utilizes the power (F) that the housing axis (8) along housing (1) acts on to clamp toward each other, and described at least one connector (7) and a housing parts (3) are so constituted, so that they are at housing parts (2, 3) not yet the sealed mutual maintenance of shape is utilized with under the sealed pre-mounted state being connected of connector (7) material, wherein, described at least one connector (7) is welded with a housing parts (3).
2. by the housing described in claim 1, it is characterised in that described housing parts (2,3) and connector (7) are made up of the plastics being respectively provided with identical thermal coefficient of expansion.
3. by the housing described in claim 1 or 2, it is characterised in that adopt laser weld.
4. by the housing described in claim 1 or 2, it is characterised in that described at least one connector (7) and housing parts (2) integrated connection.
5. by the housing described in claim 1, it is characterised in that be that buckle-type is connected between described at least one connector (7) with housing parts (2,3).
6. by the housing described in claim 1 or 2, it is characterized in that, there is a dimple (26) in the outside (13) of a housing parts (3), this dimple itself holds the overlap in lateral overlap housing parts (3) (10) of described at least one connector (7) at least partly.
7. by the housing described in claim 6, it is characterised in that the degree of depth (28) of described dimple (26) is equal to or more than the thickness (27) of overlap (10).
8. by the housing described in claim 1 or 2, it is characterised in that between described housing parts (2,3), clamping has other components (6).
9. by the housing described in claim 1 or 2, it is characterised in that described housing has multiple circumferencial direction along housing parts (2,3) connector (7) separated by a distance.
10. by the housing described in claim 9, it is characterized in that, described connector (7) is configured to the arm (9) extended along housing axis (8) direction, and these arms are with its one end and housing parts (2) integrated connection in two housing parts (2,3).
11. by the housing described in claim 10, it is characterised in that a vertical crossbeam (37) stretched transverse to an arm is molded on the other end of this arm (9), namely on the free end (29) of this arm.
12. by the housing described in claim 1 or 2, it is characterised in that described housing is pump case.
13. for installing the method by the housing (1) one of claim 1 to 12 Suo Shu, it is characterized in that, described housing parts (2,3) is pressed against each other when applying clamping force (F) by clamping device (15), wherein, material between described at least one connector (7) and a housing parts is sealed be connected to applying power during realize.
14. by the method described in claim 13, it is characterized in that, described housing parts (2,3) is placed in centre and is pressed against each other when applying clamping force (F) by clamping device (15) in other components (6) situation.
15. by the method described in claim 13 or 14, it is characterized in that, described housing parts (2,3) interfixes so that shape is sealed in Preinstallation Steps, and wherein, direction of engagement (35) engaged when installing against housing parts (2,3) that shape is sealed is invalid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012218012.5 | 2012-10-02 | ||
| DE102012218012.5A DE102012218012A1 (en) | 2012-10-02 | 2012-10-02 | Housing with two plastic housing parts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103775789A CN103775789A (en) | 2014-05-07 |
| CN103775789B true CN103775789B (en) | 2016-06-29 |
Family
ID=50276308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310756897.6A Active CN103775789B (en) | 2012-10-02 | 2013-09-30 | There is the housing of two housing parts being made of plastics |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20140093406A1 (en) |
| CN (1) | CN103775789B (en) |
| DE (1) | DE102012218012A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014113508A1 (en) * | 2014-09-18 | 2016-03-24 | Sysko Ag | The vibration pump |
| EP3146920B1 (en) * | 2015-09-23 | 2017-11-15 | Medaxis Ag | Device for producing a fluid jet |
| EP3258111B8 (en) | 2016-06-14 | 2018-10-31 | Medaxis Ag | Pump module |
| CN108235194A (en) * | 2018-01-04 | 2018-06-29 | 瑞声科技(新加坡)有限公司 | Microphone device and its installation method |
| TWI698581B (en) * | 2018-12-14 | 2020-07-11 | 周文三 | Conenction structure for motor of air compressor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7227592U (en) * | 1972-07-26 | 1972-10-12 | Agfa-Gevaert Ag | ROTATING SOCKET FOR FLASH LAMP HOLDER |
| CN2913670Y (en) * | 2006-05-12 | 2007-06-20 | 加西贝拉压缩机有限公司 | Plastic air-absorbing silencer applied for totally-enclosed compressor |
| CN101895167A (en) * | 2009-05-24 | 2010-11-24 | 中山大洋电机股份有限公司 | Plastic shell motor |
| CN201671849U (en) * | 2010-03-30 | 2010-12-15 | 中山大洋电机制造有限公司 | Electric washing pump |
| DE102010064043A1 (en) * | 2010-12-23 | 2012-06-28 | Robert Bosch Gmbh | Plastic housing, particularly pump housing or actuator housing for drive unit, has container section and cover that closes opening in container part and edge area that encloses centering edge that is engaged in opening |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100433941B1 (en) * | 2001-09-07 | 2004-06-07 | 남동전동기주식회사 | Case of fan coil unit electric motor |
| DE10342421A1 (en) * | 2003-09-13 | 2005-04-07 | Danfoss A/S | Plunger compressor for refrigerants |
| DE102005013911B4 (en) * | 2005-03-24 | 2019-10-02 | Continental Automotive Gmbh | Actuator for actuating a fuel injection valve |
| JP5030468B2 (en) * | 2006-04-28 | 2012-09-19 | 東芝キヤリア株式会社 | pump |
| EP2001092A1 (en) * | 2008-02-11 | 2008-12-10 | Continental Automotive GmbH | Electric device for a motor vehicle, in particular a sensor |
| US20110293450A1 (en) * | 2010-06-01 | 2011-12-01 | Micropump, Inc. | Pump magnet housing with integrated sensor element |
| CN103717897A (en) * | 2011-09-02 | 2014-04-09 | 建筑组合及解决系统阿尔夫梅尔精密股份公司 | Pump, in particular pneumatic pump |
-
2012
- 2012-10-02 DE DE102012218012.5A patent/DE102012218012A1/en active Pending
-
2013
- 2013-09-24 US US14/034,905 patent/US20140093406A1/en not_active Abandoned
- 2013-09-30 CN CN201310756897.6A patent/CN103775789B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7227592U (en) * | 1972-07-26 | 1972-10-12 | Agfa-Gevaert Ag | ROTATING SOCKET FOR FLASH LAMP HOLDER |
| CN2913670Y (en) * | 2006-05-12 | 2007-06-20 | 加西贝拉压缩机有限公司 | Plastic air-absorbing silencer applied for totally-enclosed compressor |
| CN101895167A (en) * | 2009-05-24 | 2010-11-24 | 中山大洋电机股份有限公司 | Plastic shell motor |
| CN201671849U (en) * | 2010-03-30 | 2010-12-15 | 中山大洋电机制造有限公司 | Electric washing pump |
| DE102010064043A1 (en) * | 2010-12-23 | 2012-06-28 | Robert Bosch Gmbh | Plastic housing, particularly pump housing or actuator housing for drive unit, has container section and cover that closes opening in container part and edge area that encloses centering edge that is engaged in opening |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140093406A1 (en) | 2014-04-03 |
| DE102012218012A1 (en) | 2014-04-03 |
| CN103775789A (en) | 2014-05-07 |
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