CN100510581C - Cap for hermetically sealing receiver driers - Google Patents
Cap for hermetically sealing receiver driers Download PDFInfo
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- CN100510581C CN100510581C CNB2005800267420A CN200580026742A CN100510581C CN 100510581 C CN100510581 C CN 100510581C CN B2005800267420 A CNB2005800267420 A CN B2005800267420A CN 200580026742 A CN200580026742 A CN 200580026742A CN 100510581 C CN100510581 C CN 100510581C
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- cap body
- type ring
- protuberance
- lid
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Abstract
The present invention relates to a cap for hermetically sealing receiver driers, in which a cap body and a filter are separated and detachably engaged with each other and an O-ring is installed between the cap body and the filter, thereby facilitating the replacement of parts and the installation of the O-ring, favoring automatic assembly due to a tool insertion groove that can be formed long, achieving compactness of the cap due to the reduction of a total height of the cap when the cap body and the filter are engaged, improving a filtering effect by increasing the size of the filter with the cap being maintained in the same size, and facilitating engagement between the cap body and the filter and preventing the cap body from being released from a tank by discharging the air between the cap body and the filter.
Description
Technical field
The present invention relates to be used to seal the lid of drier receiver, more particularly, the related lid that is used for sealing drier receiver, cap body and filter are independently, both are fitted to each other separably, O type ring is installed between described cap body and the filter, thereby helps the replacing of parts and the installation of O type ring; Insert recess owing to can form long instrument, institute is to help automation; When cap body cooperates with filter, reduced the total height of lid, therefore realized the miniaturization of lid; Keep at lid improving filter efficiency by the size that increases filter under the situation of same size; And prevent that cap body breaks away from container.
Background technology
In the cooling system of vehicle, compressor will be compressed into the gas of high temperature, high pressure with the working fluid that surrounding air carries out heat exchange, and the working fluid after will compressing is transferred to condenser.Condenser is transformed into liquid state with the working fluid of gaseous state, recepts the caloric to increase, and the working fluid of liquid state is transferred to expansion valve.Expansion valve is expanded to low temperature, low-pressure state with working fluid, and the working fluid after will expanding is transferred to evaporimeter.Evaporimeter makes the working fluid of this low temperature, low pressure carry out heat exchange (with the absorbing environmental heat), thus the predetermined space of cooling.
Summary of the invention
Technical problem
Condenser will be condensed into liquid state along the working fluid of above-mentioned path circulation, and with the absorbing environmental heat, but a part of working fluid still is gaseous state and passes through condenser.Therefore, be liquid in the working fluid and gaseous state coexists.
Therefore, when the working fluid of this liquid state and gaseous state coexistence carried out heat exchange in evaporimeter, the working fluid of gaseous state is the absorbing environmental heat hardly, causes the decline of cooling effectiveness.
Technical solution
In order to address the above problem, drier receiver (receiverdrier) is installed between condenser and expansion valve.Drier receiver separates/removes the not gaseous working fluid of liquefy in condenser, perhaps absorbs the moisture that comprises in the working fluid of circulation, thereby improves cooling effectiveness.
As shown in Figure 1, drier receiver 10 is typically connected to the header tank (header tank) 2 that is positioned at condenser 1 one sides.
In drier receiver 10, comprise working fluid and the moisture of drier 15 in the container 11 to remove gaseous state, container 11 has the top of sealing and the bottom of opening.The bottom that container 11 was installed/be fixed to lid (cap) 20, the bottom of closed container 11 is to remove the impurity that is comprised in the working fluid by drier 15.
As shown in Figure 2, lid 20 comprises main body that becomes one 30 and the filter 40 that is made of metal.In body 30, have along the screw thread 31 of the side face of body 30, screw thread 31 passes through threaded engagement with the lower openings 13 of container 11.Keep bubble-tight O ring 50 to be successively set on screw thread 31 belows with the flange 32 that is connected to container 11 bottoms.In addition, the bottom of container 11 has instrument and inserts the recess (not shown), so that assembling.
Filter 40 is positioned on the body 30, becomes one with body 30.Having inlet 41 on the filter 40 flows into to allow working fluid.The sidewall of filter 40 is provided with a plurality of outlets 42, to allow the discharging working fluid.In addition, filter 40 the insides are equipped with screen pack 43 to remove the impurity that comprises in the working fluid.
But, because this conventional lid 20 is by the metal manufacturing, so cause weight to increase; Because make and require complicated manufacturing process, so cause manufacturing cost to increase with noble metal.
In addition, because body 30 and filter 40 form one, when one of them broke down, whole parts all can not normally move, thereby needed to change.
When groove 51 that O type ring 50 is installed on the side face of body 30, because the internal diameter of O type ring 50 is less than the external diameter of body 30, O type ring 50 is being moved and is being installed to groove 51 under the situation about expanding.Therefore, the installation of O type ring 50 is not easy, and is difficult to automatic operation.
In addition, when lid 20 was made into miniaturization, the size of filter 40 also reduced, and has reduced filter effect.Therefore, the miniaturization of lid 20 has brought a lot of problems.
Therefore, applicant of the present invention discloses a kind of structure that is made of insert type injection mo(u)lding metallic filter in the early stage publication number 2001-065605 of Korean Patent; And a kind of structure is disclosed in the early stage publication number 2003-086096 of Korean Patent, lay the injection mo(u)lding filter in this structure, and cooperate with metal lid.
In addition, Japanese Patent Laid Open Publication 2000-292030 discloses a kind of structure, and this structure middle filtrator and lid are independently to mould, and projection and groove part on the mating surface of filter and cap body are worked in coordination.
But the installation of O type ring still is a difficult problem.
As shown in Figure 3, can see that the mated condition between the body 30 of container 11 and lid 20 is along with temperature such as low temperature (winter), middle temperature (normal temperature) and high temperature (during operation) change.In other words, unclamping of lid 20 is not only because variations in temperature causes the difference of thermal contraction, also because vibration and shortage tension of engagement.
Especially, at middle temperature (normal temperature) state, when the screw thread 31 of body 30 does not have the screw thread of tight contacting container 11, but when separating with the screw thread of container 11, tension of engagement drops to floor level, has accelerated unclamping of lid 20.
Beneficial effect
Therefore, target of the present invention provides a kind of lid that seals drier receiver, wherein, cap body and filter are independently, and can cooperate separated from one anotherly, O type ring is installed between cap body and filter, thereby be convenient to the replacing of parts and O type ring is installed; Be provided with longlyer because instrument inserts recess (toolsinsertion recess), so help the automation assembling; Because in cap body and filter cooperate, the total height of lid reduces, so realized the miniaturization of lid; By the size of increase filter under the situation that keeps same size at lid, thereby improve filter efficiency; By discharged air between cap body and filter, make to be easy to cooperate and to prevent cap body disengaging filter between cap body and the filter.
In order to realize above-mentioned and other target, the invention provides a kind of lid that is used to seal drier receiver.Described lid comprises cap body, filter, O type ring mounting portion.Described cap body comprise along its periphery, be used for dividing the coupling part that cooperates and the flange that is positioned at its end portion with the opening of container of drier receiver.
Described filter comprises mating part 140, import 131, outlet 132 and screen pack 134, wherein mating part 140 is connected the top of filter with cap body 110 separably, import 131 and outlet 132 allow working fluids to pass through, screen pack 134 be positioned at filter around.O type ring is installed and is comprised O type ring base portion 113 and O type ring bearing part 137, and wherein a side of O type ring base portion 113 is along the peripheral openings on the top of cap body 110; O type ring bearing part 137 is positioned at the end portion of filter 130, and the open side of close O type ring base portion breaks away to prevent O type ring.
Mating part comprises the protuberance that is positioned at cap body top and the insertion groove corresponding with the protuberance that is positioned at the filter bottom.
Description of drawings
From the detailed description of following conjunction with figs., can more fully understand other targets of the present invention and advantage.In the accompanying drawing:
Fig. 1 is the profile with traditional condenser of integrated drier receiver;
Fig. 2 is the profile of lid when cooperating with traditional drier receiver;
Fig. 3 is the schematic diagram of the mated condition that lid changes along with variations in temperature in traditional drier receiver;
Fig. 4 is the decomposition diagram that user according to the present invention seals the lid of drier receiver;
Fig. 5 is along the profile of A-A tangent line among Fig. 4;
Fig. 6 is the sectional view of the lid that is used to seal drier receiver according to the present invention when cooperating with drier receiver;
Fig. 7 is the profile that is used to seal the lid of drier receiver according to of the present invention, and wherein, air discharge ports is positioned at the side near filter;
Fig. 8 is the decomposition diagram that is used to seal the lid of drier receiver according to of the present invention, and wherein, the mating part of cap body and filter are non-circular shape;
Fig. 9 is the profile of mating part that is used to seal the lid of drier receiver in accordance with another embodiment of the present invention; And
Figure 10 is the perspective view that is used to seal the lid of drier receiver in accordance with another embodiment of the present invention.
The specific embodiment
Hereinafter will describe the present invention with reference to the accompanying drawings.
In the following description, similarly reference number will refer to the same parts among prior art and the present invention, not repeat to describe in detail for identical parts.
Fig. 4 is the decomposition diagram that is used to seal the lid of drier receiver according to of the present invention.Fig. 5 be Fig. 4 along the sectional view that A-A dissects, show the cooperation situation.Fig. 6 is the sectional view of the lid that is used to seal drier receiver according to the present invention when cooperating with drier receiver.Fig. 7 is the profile that is used to seal the lid of drier receiver according to of the present invention, and wherein, air discharge ports is positioned at the side near filter.Fig. 8 is the decomposition diagram that is used to seal the lid of drier receiver according to of the present invention, and wherein, the mating part of cap body and filter are non-circular shape.
Drier receiver 10 according to the present invention comprises container 11, drier 15, lid 100.Container 11 comprises by the top of top cover 12 sealings, the top of opening, is mounted for communicating with the header tank 2 of condenser 1.Comprise drier 15 in the container 11.Lid 100 cooperates with opening 13 by screw thread, is used for opening/closing opening 13.
In the present invention, drier 15 removes gaseous working fluid or the moisture that does not change into liquid condition in condenser 1, thereby improves cooling effectiveness.Can use various filter members to replace drier 15.
In the present invention, coupling part 111 comprises the threaded portion 111a on every side along cap body 110, and threaded portion carries out threaded engagement by the opening 13 of cap body 110 and container 11.
In addition, cap body 110 following mid portions have instrument and insert recess 115, and this is convenient to use when cap body 110 is installed to drier receiver 10 engagement tool to install.
Instrument inserts recess 115 preferably along the length direction of cap body 110, is positioned at cap body 110, to help installation automatically better.In other words, the contact area between engagement tool and the cap body 110 has increased, thereby has reduced the vibration in the installation process, thereby is easy to install.
In the injection molding process of filter 130, screen pack 134 is an one with filter 130 injection mo(u)ldings preferably.But screen pack 134 can be a wire netting independently; And screen pack 134 and filter 130 all are injection mo(u)ldings.
Supporting part 135 is positioned at the drier 15 of filter 130 with supporting drier receiver 10.The tip of supporting part 135 preferably stretches out the top of filter 130.
In other words, if drier 15 enters filter 130 by gravity, so, drier 15 can hinder the inflow of working fluid.Supporting part 135 supporting drier 15, thus this problem solved.
The insertion groove 136 corresponding that mating part 140 comprises the stepped protuberance 114 of the upper end that is positioned at cap body 110 and is positioned at the end of filter 130 with protuberance 114.
Because the protuberance 114 of cap body 110 is the insertion grooves 136 that are inserted into or are coupled to filter 130 separably, when one of cap body 110 and filter 130 break down, only need to change corresponding part, thereby be convenient to change and reduce manufacturing cost.
In the present invention, protuberance 114 is notch cuttype with respect to O type ring base portion 113, will describe O type base 113 below.
The inside of protuberance 114 has a plurality of groove 114a to reduce weight and to reduce material usage.
In other words, for fit lid body 110 and filter 130, the protuberance 114 of cap body 110 and the insertion groove 136 of filter 130 match.At this moment, insert in the groove 136 in that protuberance 114 is inserted into, stay air that the meetings of inserting in the groove 136 disturb this cooperation by discharge orifice 138 dischargings, and from being easy to steady cooperation.
In addition, the protuberance 114 of cap body 110 and the insertion groove 136 of filter 130 be non-circular shape preferably, for example is polygon or oval with the idle running after preventing to cooperate.
In the present invention, when the insertion groove 136 of the protuberance 114 of cap body 110 and filter 130 when being circular, they are preferably by external force is inserted or cock cooperates mode.Cap body 110 and filter 130 can fetch cooperation by thermal weld or ultrasonic bond.Under this situation, can remove the protuberance 114 of cap body 110 and the insertion groove 136 of filter 130.
In the protuberance 114 of above-mentioned cap body 110 was inserted into structure in the insertion groove 136 of filter 130, instrument inserts recess 115 can be positioned at cap body 110 times, installs to help automation.
O type ring mounting portion 150 is arranged between cap body 110 and the filter 130, thereby 0 type ring 120 is set to keep the air-tightness between drier receiver 10 and the lid 100.
O type ring mounting portion 150 comprises O type ring base portion 113 and O type ring support section 137, and a side of O type ring base portion 113 is along the upper periphery opening of cap body 110, and O type ring support section 137 is positioned at filter 130 times.O type ring support section 137 is outstanding to be installed in O type ring 120 in the O type ring base portion 113 with support, and the opening portion of closing O type ring base portion 113 breaks away to prevent 0 type ring 120.
In the present invention, because O type ring base portion 113 axially opens, its internal diameter is close with O type ring 120, therefore is easy to O type ring is inserted/be installed to O type ring base portion 113, helps automation.O type ring 120 is installed to after the O type ring base portion 113, complement filter device 130, like this, the O type ring support section 137 of filter 130 supports O type rings 120, thereby prevents that O type ring 120 breaks away from.
Therefore, when cap body 11O and filter 130 cooperations, can reduce the total height of lid 100, thereby form small-sized lid 100.
In other words, according to prior art, groove 51 has desired depth, so that O type ring 50 is installed on the body 30.In this case, should block the upper and lower of groove 51 to prevent 50 disengagings of O type ring.Therefore, the height of body 30 increases, and causes the total height of lid 20 to increase.
In addition, according to prior art, when the groove 51 that is used to install O type ring 50 is injection mo(u)lding, produce burr in injection boundary probably.In other words, in order on the body 30 of lid 20, to produce the groove 51 of annular, need on the border between the injection mo(u)lding frame, can produce burr at a pair of injection mo(u)lding frame that separates in both sides.
Equally, when producing burr on the groove 51 that is used to install O type ring 50, cold-producing medium is probably from leakage between the body 30 of O type ring 50 and lid 20.
But according to the present invention, the top of O type ring base portion 113 is openings, and therefore this opening portion has reduced the total height of cap body 110.In addition, when filter 130 cooperated with O type ring 120, O type ring support section 137 was closed the opening portion of O type ring base portion 113, thereby prevented that O type ring 120 breaks away from, and had reduced the total height of lid 100.
As mentioned above, when lid 100 keeps same size, can reduce the size of cap body 110, thereby increase the size of filter 130, thereby improve filter efficiency.
In addition, when cap body 110 is injection mo(u)lding, can prevents to produce burr, thereby reduce the risk of leakage of refrigerant in O type ring base portion 113.
As mentioned above, the lid 100 that is used to seal drier receiver 10 according to the present invention injection mo(u)lding is independently moulded cap body 110 and filter 130, O type ring is inserted/is installed to the O type ring base portion 113 on cap body 110 tops, filter 130 and cap body 110 are cooperatively interacted, thereby finished the installation of lid 100.
The opening 13 of mounted lid 100 and container 11 bottoms is carried out threaded engagement, thereby closed opening 13.
Fig. 9 is the sectional view that is used to seal the lid of drier receiver in accordance with another embodiment of the present invention, shows its mated condition.In this scheme, O type ring 120 be installed in the similar O type of the above embodiment of the present invention ring base portion 113 on, it is relatively poor that the nourishment condition of cooling lubricant will become.For addressing this problem, in another embodiment of the present invention, a plurality of O type rings 120 (in Fig. 9, being two O type rings) are installed on O type ring base portion 113, the liner 125 that plate-like is installed between O type ring 120 to be stably and closely supporting O type ring 120, and improves sealing property.
Figure 10 is to be the perspective view that is used to seal the lid of drier receiver according to a further embodiment of the invention.When cap body 110 cooperated with the container 11 of drier receiver 10, because thermal-shrinkage differential, vibration, tension of engagement deficiency that variations in temperature causes cooperate intensity to diminish, therefore, cap body 110 can be unclamped.Therefore, in the present invention, between the flange of the bottom of container 11 and cap body 110, install and prevent from the parts 118 that unclamp from after cooperation, to unclamp to prevent cap body 110.
Prevent that the part 118 of unclamping from comprising the latch recess 16 of container 11 bottoms and the locking protuberance 116 of flange 12 upper surfaces, protuberance 116 locked groove 16 lockings.
Side at locking protuberance 116 on the flange 112 has grooving 117, like this, can be easy to locking protuberance 116 is locked in the latch recess 16 by the elastic operation of grooving 117.
As mentioned above, in the present invention, for container 11 openings that make cap body 110 and drier receiver 10 by threaded engagement, be provided with threaded portion 111a along the periphery of cap body 110.But the present invention is not limited to above-mentioned cooperation, and cap body 110 also can use retaining ring tool or pin to cooperate with the opening 13 of container 11.
Industrial applicibility
As mentioned above, according to the present invention, cap body and filter are independent injection mo(u)ldings, can cooperate separably each other, and O type ring is installed between cap body and the filter.Therefore, one of them breaks down when cap body and filter, thereby causes whole parts can not run well needs when changing, and only needs to change corresponding components, changes and reduces manufacturing cost thereby be beneficial to.In addition, because instrument insertion recess is longer, be helpful so the present invention installs for automation.
In addition, because cap body is when cooperating with filter, the reducing of the total height of lid is so can obtain small-sized lid.Keep at lid under the situation of identical size,, can improve filter efficiency by increasing the size of filter.
In addition, filter comprises discharge orifice, with the air in the discharging insertion groove, is convenient to level and smooth cooperation the between protuberance and the insertion groove.
In addition, O type ring base portion is installed a plurality of O type rings, between the O type ring liner is installed, thereby has improved the supply conditions of lubricant.
Because have latch recess and locking protuberance on the flange of container bottom and cap body, after cooperation, unclamp so can prevent cap body.
Though the present invention is described with reference to specific embodiment, is not subjected to the restriction of these embodiment, but only is defined by the claims.Should be appreciated that under situation about not departing from the scope and spirit of the present invention those skilled in the art can change and revises these embodiment.
Claims (12)
1, a kind of lid that is used to seal drier receiver is characterized in that, comprising:
Cap body (110) comprises along the coupling part (111) of its periphery and the flange (112) that is positioned at its lower end, and described coupling part (111) are used for cooperating with the opening (13) of the container (11) of drier receiver (10);
Filter (130), comprise mating part (140), inlet (131), outlet (132) and screen pack (134), described mating part (140) is connected to filter (130) top of cap body (110) separably, described inlet (131) and outlet (132) allow working fluid to flow into, and described screen pack (134) is around around the described filter (130); And
O type ring mounting portion (150) comprises O type ring base portion (113) and O type ring support section (137), and a side of O type ring base portion (113) is along the opening on every side on the top of described cap body (110); O type ring support section (137) is positioned at the bottom of filter (130), is used to close the open side of described O type ring base portion (113) to prevent O type ring (120) separation.
2, lid according to claim 1, it is characterized in that the lower end insertion groove (136) corresponding that described mating part (140) comprises the protuberance (114) on the top that is positioned at cap body (110) and is positioned at filter (130) with described protuberance (114).
3, lid according to claim 2 is characterized in that, described protuberance (114) also comprises the groove (114a) that is used to reduce quantity of material.
4, lid according to claim 2, it is characterized in that, described filter (130) comprises discharge orifice (138), and described discharge orifice (138) is used for discharging and inserts the interior air of groove (136) to cooperate described protuberance (114) smoothly and to insert groove (136).
5, lid according to claim 2 is characterized in that, described protuberance (114) and to insert groove (136) be non-circular is with the idle running after preventing to cooperate.
6, lid according to claim 1 is characterized in that, described support section (137) is positioned at described filter (130), to support the drier (15) that drier receiver (10) comprises.
7, lid according to claim 1 is characterized in that, the inside of described cap body (110) lower end has the instrument insertion recess (115) that is used to install cap body (110).
8, lid according to claim 1 is characterized in that, a plurality of O type rings (120) are installed on the O type ring base portion (113), and the liner that is used for closely supporting O type ring (120) is installed between the described O type ring (120).
9, lid according to claim 1 is characterized in that, is equipped with to unclamp between the flange of the bottom of container (11) and cap body (110) to prevent part (118), is used to prevent that cap body (110) from unclamping after cooperation.
10, lid according to claim 9, it is characterized in that, described unclamping prevents that part (118) from comprising latch recess (16) that is positioned at container (11) bottom and the locking protuberance (116) that is positioned at described flange (112) upper surface, and described locking protuberance (116) is locked in the described latch recess (16).
11, require 10 described lids according to profit, it is characterized in that, a side of the locking protuberance (116) of described flange (112) has grooving (117), is used to cause the elastic operation of described locking protuberance (116).
12, lid according to claim 2 is characterized in that, described protuberance (114) and insertion groove (136) cooperate by cock.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20040062860 | 2004-08-10 | ||
| KR1020040062860 | 2004-08-10 | ||
| KR1020040112724 | 2004-12-27 | ||
| KR1020050067750 | 2005-07-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101002061A CN101002061A (en) | 2007-07-18 |
| CN100510581C true CN100510581C (en) | 2009-07-08 |
Family
ID=38693364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800267420A Active CN100510581C (en) | 2004-08-10 | 2005-08-08 | Cap for hermetically sealing receiver driers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100510581C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865577A (en) * | 2010-06-02 | 2010-10-20 | 和龙双昊高新技术有限公司 | Liquid storing drier plug with filter screen |
| JP5488551B2 (en) | 2010-11-03 | 2014-05-14 | 株式会社デンソー | Receiver and receiver-integrated condenser |
| CN201852383U (en) | 2010-11-17 | 2011-06-01 | 浙江三花汽车控制系统有限公司 | Heat exchanger and liquid storing device thereof |
| FR3078395B1 (en) * | 2018-02-26 | 2020-01-24 | Valeo Systemes Thermiques | SHUTTERING DEVICE FOR A BOTTLE OF A CAPACITOR |
| CN108790694B (en) * | 2018-06-29 | 2021-07-13 | 铜陵汇宇实业有限公司 | Air conditioner drying device for agricultural locomotive |
-
2005
- 2005-08-08 CN CNB2005800267420A patent/CN100510581C/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN101002061A (en) | 2007-07-18 |
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