CN209557257U - A kind of exhaust apparatus and compressor of horizontal type scroll compressor - Google Patents

Abstract

The utility model discloses a kind of exhaust apparatus of horizontal type scroll compressor, including discharge chamber, exhaust pipe and oil-gas separation tube；Exhaust pipe is set on exhaust cavity outer wall, and oil-gas separation tube is set on side surface opposite with exhaust pipe in discharge chamber；Oil-gas separation tube includes interconnected inlet end and exhaust end, inlet end is connected to compressor inner space, exhaust end is located in discharge chamber and at least one mixing chamber and/or bend is arranged in opening direction downward, on oil-gas separation tube, and the diameter of mixing chamber is greater than the diameter at other positions of pipeline.A kind of horizontal type scroll compressor, including control system, motor, compression mechanism, main support, auxiliary stand, casing and exhaust apparatus is also disclosed in the utility model, is tightly connected between auxiliary stand periphery and casing, forms discharge chamber between auxiliary stand and casing end.The exhaust apparatus of this programme can reduce the oil shortage ratio when discharge of compressor high temperature high pressure gas, improve the service life of compressor, solve the problems, such as that liquid refrigerants is easy to flow backwards.

Description

A kind of exhaust apparatus and compressor of horizontal type scroll compressor

Technical field

The utility model belongs to Compressor Technology field, specifically, the utility model relates to a kind of compressions of horizontal type scroll The exhaust apparatus of machine and compressor comprising the exhaust apparatus.

Background technique

Screw compressor is mainly made of control section, motor part, compression section, and compression section has a pair of of scroll plate, The main compression process of screw compressor is realized by scroll plate.Refrigerant is collapsed into high temperature and high pressure gas, high temperature by scroll plate High pressure gas is discharged through the gas vent in fixed scroll, is discharged again through exhaust pipe after being passed to motor area.In screw compressor work During work, high temperature and high pressure gas will be filled with the inner space of compressor, can be by compressor when high temperature and high pressure gas circulation Interior lubricating oil is taken away.In the prior art, it is not provided with oil-gas separation tube on horizontal type scroll compressor, therefore is discharged from exhaust pipe High temperature and high pressure gas contain small lubrication oil droplet.Such process persistently exists, and on the one hand will cause in compressor in oil sump Lubricating oil gradually decrease, be unfavorable for the lubrication of compressor rotatable parts, compressor can be damaged；On the other hand small oil Drop will cause the damage with gas part, such as the corrosion of sealing element.Meanwhile when high temperature and high pressure gas is from the high temperature inside compressor High-pressure space enters low-temp low-pressure space after being discharged via exhaust pipe can be liquefied referred to as liquid refrigerants, therefore exhaust inside pipe wall week Liquid refrigerants can be gathered by enclosing.Exhaust pipe is set as the bend pipe of outlet end upward more, is adsorbed on the liquid of exhaust outlet end inner wall Refrigerant can flow back in exhaust pipe under gravity, so that liquid refrigerants be caused to flow back to inside compressor by exhaust pipe The problem of, the working efficiency of compressor can be reduced in this way, improve energy consumption of compressor.

Therefore a kind of exhaust apparatus and compressor suitable for horizontal type scroll compressor is urgently researched and developed now, to reduce high temperature Oil shortage ratio when high pressure gas is discharged, is improved the service life of compressor, is solved liquid refrigerants and is easy to flow back to compression via exhaust pipe The problems such as inside machine.

Utility model content

Technical problem to be solved by the utility model is: providing exhaust apparatus and the compression of a kind of horizontal type scroll compressor Machine, with solve the problems, such as it is existing in the prior art at least one or more.

To achieve the goals above, the technical solution that the utility model is taken are as follows:

A kind of exhaust apparatus of horizontal type scroll compressor is set to one end of horizontal type scroll compressor, including discharge chamber, row Tracheae and oil-gas separation tube；The exhaust pipe is set on the exhaust cavity outer wall, and the oil-gas separation tube is set to the row In air cavity on the side surface opposite with the exhaust pipe；The oil-gas separation tube includes interconnected inlet end and exhaust end, The inlet end is connected to compressor inner space, the exhaust end be located in the discharge chamber and opening direction downward, it is described At least one mixing chamber and/or bend are set on oil-gas separation tube, and the diameter of the mixing chamber is greater than other positions of the pipeline Diameter.

Preferably, the mixing is intracavitary is provided with lubrication oil adsorbent or filter core.

Preferably, further include one way stop peturn valve, the one way stop peturn valve be set to inside the discharge chamber and with it is opposite The exhaust cavity wall forms accommodating chamber, and the exhaust pipe is connected to the accommodating chamber；The one way stop peturn valve include valve seat and Valve block offers venthole on the valve seat, and described valve block one end is fixed in the valve seat opposite with the exhaust cavity wall Surface, the valve block other end puts up on the venthole.

Preferably, the upper end of the valve block is fixedly connected with the valve seat, and the lower end of the valve block is put up in the outlet Kong Shang.

Preferably, the level height of the venthole is higher than the level height of the exhaust pipe.

Preferably, further include be set to it is described exhaust cavity outer wall on safety valve, the safety valve include valve body, spool, Air inlet and gas vent；The valve body both ends are respectively arranged with air inlet and gas vent, are provided with cavity in the middle part of the valve body, institute Cavity both ends are stated to be connected to respectively at the air inlet with gas vent；The spool is set in the cavity of the valve inner, institute Stating spool includes elastic component and plugging sheet, and the elastic component first end is fixedly connected with the plugging sheet, the elastic component second End is fixedly connected with the cavity inside, and the plugging sheet is close to the air inlet.

Preferably, the diameter of the plugging sheet is greater than the air inlet bore dia.

Preferably, the valve body connect or snaps connection or be interference fitted or be fixedly connected with the discharge chamber outer wall thread Or gluing connection.

Preferably, the safety valve further includes sealing element, and the sealing element is set to outside the valve body and the discharge chamber The boundary position of wall.

The utility model further includes a kind of horizontal type scroll compressor, including control system, motor, compression mechanism, main support, Auxiliary stand, casing and exhaust apparatus are tightly connected between the auxiliary stand periphery and the casing, the auxiliary stand and the machine Form the discharge chamber between shell end, the oil-gas separation tube inlet end be set on the auxiliary stand and with inside compressor Space connection.

Advantageous effects acquired by the technical solution of the utility model have:

1, exhaust apparatus includes Oil-gas Separation pipeline in this programme, when carrying the high temperature and high pressure gas of tiny oil droplets from compression Discharge chamber need to be entered by oil-gas separation tube when outflow inside machine, high temperature and high pressure gas enters the pipeline of minor diameter from larger space When interior, the cross section of flowing becomes smaller, and flow velocity will increase；When oil-gas separation tube is provided with mixing chamber, when gas is from the pipe of minor diameter When road part is entered in the mixing chamber of major diameter, since piping volume becomes larger suddenly, the pressure of gas will become smaller rapidly, gas stream Speed is slack-off, and tiny oil droplets, which are then easier to be adsorbed on inner wall of the pipe, condenses into oil droplet, thus by tiny oil droplets and high temperature and high pressure gas Separation；Bend is set on oil-gas separation tube, can increase gas circulation when and inner wall of the pipe contact area, part tiny oil droplets It is adsorbed in inner wall of the pipe, is conducive to the separation of oil droplet and gas；The intracavitary setting oil liquid of the mixing of oil-gas separation tube is inhaled in this programme Attached dose or filter core, the high temperature and high pressure gas for carrying tiny oil droplets encounters obstacle in oil-gas separation tube to change flow direction and speed, And the tiny oil droplets in gas will accumulate on adsorbent or filter core, and form oil film, oil droplet coalescence by oil droplets tension Get off at after larger oil droplet by gravitational settling, to realize the purpose of Oil-gas Separation；And filter core can provide more contact surfaces Product, can more effectively separate the tiny oil droplets in gas.

2, in a quiescent state, valve seat is to fit together with valve plate to the one way stop peturn valve of exhaust apparatus in this programme, The venthole that valve block will cover on valve seat；In the operating condition, high temperature and high pressure gas is entered by the venthole on valve seat and by valve Piece flows into one way stop peturn valve valve and the accommodating chamber being vented between cavity wall after jacking up, and then enters row from the accommodating chamber cavity again In tracheae, it is discharged from exhaust pipe.If the liquid refrigerants in the compressor external world flows backwards from exhaust outlet end, will enter single Into the cavity between check-valves and exhaust cavity wall, and valve block will stop liquid refrigerants to enter compressor from venthole at this time Inside can effectively prevent liquid refrigerants and be flowed back to inside compressor by exhaust pipe.

3, exhaust apparatus further includes in exhaust cavity outer wall setting safety valve, in the high temperature and high pressure gas of compressor in this programme Exhaust pipe nearby installs safety valve, when the exhaust pipe failure at compressor high temperature and pressure end or compressor internal pressure are excessively high When, safety valve can automatically open, and the excessively high pressure drop in compressor is dredged；It can protect compressor in this way, prevent from compressing Hypertonia inside machine and there is safety accident.

4, the horizontal type scroll compressor in this programme forms discharge chamber for being tightly connected between auxiliary stand periphery and casing, Oil-gas separation tube inlet end is set on auxiliary stand and is connected to compressor inner space, and high temperature and high pressure gas can only be from auxiliary stand On channel enter oil-gas separation tube, then enter back into discharge chamber.In this way, high temperature and high pressure gas is when motor area circulates Tiny oil droplets are carried, into after oil-gas separation tube, most of tiny oil droplets are trapped in oil-gas separation tube；Then from Oil-gas Separation Pipe exhaust end is injected into discharge chamber, and the small oil droplet of remaining lubricating oil that gas is driven can stay in exhaust cavity wall, then oil pump fortune In the oil sump of defeated time compressor；High temperature and high pressure gas enters back into the venthole of one way stop peturn valve, is discharged by exhaust pipe；Work as compression When machine internal high temperature high pressure gas build pressure is larger, safety valve be will automatically turn on, to compressor outside discharge a part of gas. Horizontal type scroll compressor in this programme is able to achieve the separation of comparison thorough oil droplet and gas, effectively prevent liquid refrigerants by Exhaust pipe flows back to inside compressor, prevents the hypertonia inside compressor and safety accident occurs, improves compressor Service life reduces energy consumption of compressor.

Detailed description of the invention

Fig. 1 is the schematic diagram of the section structure of exhaust apparatus in embodiment 1；

Fig. 2 is the surface structure schematic diagram of oil-gas separation tube and auxiliary stand connection status in embodiment 1；

Fig. 3 is another preferred embodiment of oil-gas separation tube in the utility model；

Fig. 4 is another preferred embodiment of oil-gas separation tube in the utility model；

Fig. 5 is another preferred embodiment of oil-gas separation tube in the utility model；

Fig. 6 is another preferred embodiment of oil-gas separation tube in the utility model；

Fig. 7 is the surface structure schematic diagram of one way stop peturn valve and exhaust cavity wall connection status in embodiment 2；

Fig. 8 is the schematic diagram of the section structure of Fig. 7；

Fig. 9 is the schematic perspective view in embodiment 2 under one way stop peturn valve off working state；

Figure 10 is the schematic perspective view in embodiment 2 under one way stop peturn valve working condition；

Figure 11 is the appearance diagram of safety valve and exhaust cavity wall connection status in embodiment 3；

Figure 12 is the schematic diagram of the section structure of safety valve and exhaust cavity wall connection status in embodiment 3；

Figure 13 is the surface structure schematic diagram of compressor in embodiment 3；

Appended drawing reference: 01- oil-gas separation tube, 11- inlet end, 12- exhaust end, 13- mixing chamber, 14- bend, 15- grid Column, 16- strainer, 17- filter core, 18- horn mouth；02- auxiliary stand；03- discharge chamber, 31- are vented cavity wall, the fixed step of 32-；04- Exhaust pipe；05- one way stop peturn valve, 51- valve plate, 52- valve block, 53- venthole, 54- fixing piece, 55- accommodating chamber；06- safety Valve, 61- valve body, 62- cavity, 63- air inlet, 64- gas vent, 65- plugging sheet, 66- spring, 67- sealing element, 68- are fixed Block；07- air inlet pipe；08- casing；09- oil pump；10- rotor.

Specific embodiment

The utility model is described in detail with reference to the accompanying drawing, the description of this part be only it is exemplary and explanatory, There should not be any restriction effect to the protection scope of the utility model.In addition, those skilled in the art's retouching according to this document It states, the corresponding combination can be carried out to the feature in embodiment in this document and in different embodiments.

Embodiment 1

Referring to schematic diagram 1, the fragmentary sectional view of compressor one end is shown, the exhaust of horizontal type scroll compressor in the present embodiment Device is set to one end of horizontal type scroll compressor, including discharge chamber 03, exhaust pipe 04 and oil-gas separation tube 01.Auxiliary stand 02 It is formed and is tightly connected between periphery and casing 08, discharge chamber 03, namely exhaust are formd between 08 end of auxiliary stand 02 and casing Cavity wall 31 belongs to the end of casing 08.Rotor 10 is fixedly connected on auxiliary stand 02 by drive shaft.Oil-gas separation tube 01 is arranged It is fixedly connected in discharge chamber 03 and with the auxiliary stand of compressor 02, oil-gas separation tube 01 includes interconnected inlet end (figure In do not mark) and exhaust end (being not marked in figure), inlet end be connected to the compressor inner space of 02 other side of auxiliary stand, be vented End is connected to discharge chamber 03, and exhaust end opening direction is downward.In other embodiments, it can be formed by other structures mode Discharge chamber 03, such as exhaust cavity wall 31 are the structure independently of casing 08, the casing 08 that exhaust cavity wall 31 is connect with auxiliary stand 02 Between the modes such as connect or weld by card slot strip and be attached to form discharge chamber 03.

Referring to schematic diagram 1 and Fig. 2, oil pump 09 is additionally provided on auxiliary stand 02, oil pump 09 is respectively positioned on oil-gas separation tube 01 In discharge chamber 03.

Referring to schematic diagram 3, as the improvement of the present embodiment, oil-gas separation tube 01 includes inlet end 11 and exhaust end (in figure It is unmarked), be provided with bend 14 among pipeline, be additionally provided with mixing chamber 13 on pipeline, the diameter of mixing chamber 13 be greater than pipeline its The diameter at his position, exhaust end are provided with horn mouth 18.When carrying the high temperature and high pressure gas of tiny oil droplets by oil-gas separation tube, Since setting bend increases the contact area of tiny oil droplets and pipeline, preferably oil droplet and gas can be separated；It is being vented End setting horn mouth, such oil droplet can be flowed down along horn mouth；When gas enters major diameter from the inlet end 11 of minor diameter When in mixing chamber 13, since piping volume becomes larger suddenly, the pressure of gas will become smaller rapidly, and gas flow rate is slack-off, tiny oil droplets It is then easier to be adsorbed on inner wall of the pipe and condenses into oil droplet.And gathered in oil-gas separation tube can be under the effect of gravity after oil droplet It runs underneath in discharge chamber 01 along inner wall of the pipe, is then delivered in the oil sump inside compressor under the action of oil pump 09.

As the improvement of the present embodiment, mixing chamber 13 is internally provided with lubrication oil adsorbent, when high temperature and high pressure gas passes through When mixing chamber 13, tiny oil droplets will be adsorbed agent and be adsorbed, and the efficiency of lubricating oil and gas separation can be improved.

Referring to schematic diagram 4, as the improvement of the present embodiment, oil-gas separation tube 01 includes inlet end 11 and the (figure of exhaust end 12 In do not mark), a bend 14 (being not marked in figure) is provided in the middle part of pipeline, is provided with mixing chamber 13 on pipeline, in mixing chamber 13 It is provided with filter core 17, filter core 17 can specifically use porous cotton core or multi-layer fiber grid cloth.When carrying tiny oil droplets High temperature and high pressure gas enters in mixing chamber 13, and porous cotton core can increase the contact area with oil droplet, improves oil droplet absorption effect Rate.

Referring to schematic diagram 5, as the improvement of the present embodiment, oil-gas separation tube 01 includes inlet end 11 and exhaust end 12, pipe It is provided with bend 14 in the middle part of road, is provided with mixing chamber 13 on the pipeline of inlet end 11.Strainer 16 is provided in mixing chamber 13, In the mixing chamber 13 that the high temperature and high pressure gas for carrying tiny oil droplets enters oil-gas separation tube 01, tiny oil droplets can be attached to strainer On 16, the purpose of Oil-gas Separation is realized.

Referring to schematic diagram 6, as the improvement of the present embodiment, oil-gas separation tube 01 includes inlet end 11 and exhaust end 12, pipe Bend 14 is provided in the middle part of road, is provided with mixing chamber 13 on the pipeline of inlet end 11 and exhaust end 12, in mixing chamber 13 It is provided with fence 15.Fence, which is arranged, can improve the adsorption area of tiny oil droplets, improve the efficiency of Oil-gas Separation.

As the improvement of the present embodiment, the horn mouth inner wall of exhaust end is provided with plurality of guiding gutter (being not drawn into figure), this Sample is conducive to oil droplet and flows out along diversion trench.

As the improvement of the present embodiment, inner wall of the pipe be provided with protrusion or rough surface, can increase in this way inner wall of the pipe and The contact area of tiny oil droplets is conducive to more tiny oil droplets and is adsorbed on inner wall of the pipe.

As the improvement of the present embodiment, the bottom side of mixing chamber 13 is provided with oil outlet (being not drawn into figure), oil outlet bottom side It is provided with corresponding sealing cover (being not drawn into figure), is provided with elastic seal ring on the inside of sealing cover.In this way, working as Oil-gas Separation When accumulating more lubricating oil liquid in pipe mixing chamber, sealing cover can be opened in maintenance, by outflow of lubrication oil in mixing chamber Into discharge chamber, then by the way that in the oil sump of oil pump pumped back compressor, maintenance is convenient.

Referring to schematic diagram 1, the working principle of oil-gas separation tube 01 in the present embodiment is introduced: when low temperature low pressure gas enters pressure Inside contracting machine, and by pressure texture be compressed into high temperature and high pressure gas discharge after, be circulated to the space of motor and peritrochanteric. In high temperature and high pressure gas flow process, high temperature and high pressure gas can take away the lubricating oil inside a part of compressor in oil sump, when When being not provided with oil-gas separation tube, small lubricating oil liquid will directly be discharged from exhaust pipe with high temperature and high pressure gas.In order to improve This situation, it is seamless between 03 inner wall of auxiliary stand 02 and discharge chamber to constitute discharge chamber 03, oil is set on auxiliary stand 02 Gas separating pipe 01, such high temperature and high pressure gas can only enter discharge chamber 03 from oil-gas separation tube 01.When high temperature and high pressure gas carries When tiny oil droplets enter oil-gas separation tube 01, the lubricating oil that high temperature and high pressure gas is driven can be trapped in the inner wall of discharge chamber 03, Then it flow to the bottom of discharge chamber 03 under the effect of gravity, the oil sump of motor area is pumped back to using the effect of oil pump 09 In.By forming discharge chamber 03 between 03 end wall of auxiliary stand 02 and discharge chamber, oil-gas separation tube 01 is arranged on auxiliary stand 02, High temperature and high pressure gas enters discharge chamber 03 after oil-gas separation tube 01, then is discharged from exhaust pipe 04；Significantly improve compressor Oil-gas separation efficiency, efficiently solve the technical issues of high temperature and high pressure gas takes lubricating oil out of.

Embodiment 2

Referring to schematic diagram 7, compared in embodiment 1, the exhaust apparatus in the present embodiment further includes one way stop peturn valve 05. One way stop peturn valve 05 is set to inside discharge chamber 03, the input end side of exhaust pipe 04.One way stop peturn valve 05 includes valve seat and valve Piece 52, in the present embodiment, valve seat includes valve plate 51 and fixing piece (unmarked in figure), offers venthole 53 on seat board 51.

Referring also to schematic diagram 8, wherein the left side of figure is the outer space (namely 04 side of exhaust pipe) of compressor, Right side is the region (namely 05 side of one way stop peturn valve) of discharge chamber 03.One way stop peturn valve 05 and opposite exhaust cavity wall 31 Accommodating chamber 55 is formed, exhaust pipe 04 is connected to accommodating chamber 55.The upper end of valve block 52 is fixedly connected with valve plate 51, the lower end of valve block 52 It puts up on venthole 53.The level height of venthole 53 is higher than the level height of exhaust pipe 04；In this way, when liquid is cold When matchmaker is flow backwards by exhaust pipe 04 into cavity, since the level height of venthole 53 is higher than the level of 04 input end of exhaust pipe Highly, due to the difference in height of the two, the height where having gathered a large amount of liquid coolants in cavity and having reached 04 input end of exhaust pipe, Liquid coolant will be discharged from exhaust pipe 04, and can not enter the inner space of compressor by venthole 53, can be effective Liquid refrigerants is prevented to flow into.

Referring to schematic diagram 9 and Figure 10, valve seat includes valve plate 51 and fixing piece 54, and wherein fixing piece 54 is specifically as follows bolt Or valve plate 51 is fixed in exhaust cavity wall 31 by buckle etc., fixing piece 54.Venthole 53, fixing piece 54 are provided on valve plate 51 Valve plate 51 is anchored in exhaust cavity wall 31.Exhaust cavity wall 31 is provided with the fixation step 32 cooperated with valve plate 51, and valve plate 51 is set It is placed on fixed step 32, valve plate 51 is anchored on fixed step 32 by fixing piece 54.In the present embodiment, it is opened on valve plate 51 If there are two fixation holes, 52 one end of valve block offers a fixation hole.It is connected between valve block 52 and valve plate 51 by fixing piece 54 And it is fixed in the exhaust cavity wall 31 of compressor.Fixing piece 54 is that bolt may be set to be elasticity in other embodiments Card slot or latch, the latch or elastic neck of exhaust 31 corresponding position of cavity wall setting cooperation.

Referring to Fig. 9, the one way stop peturn valve 05 in the present embodiment in a quiescent state, valve plate 51 under the effect of gravity with valve Plate 51 fits together, and valve block 52 will cover 53 (not shown) of the venthole on valve plate 51.Referring to schematic diagram 10, In Under working condition, high temperature and high pressure gas is entered by the venthole 53 on valve plate 51 by after the jack-up of valve block 52, flows into accommodating chamber 55 It is interior, then compressor exterior space is expelled to via exhaust pipe 04 again.The liquid refrigerants of 04 outlet end of exhaust pipe is in case of Stream will enter in the cavity that one way stop peturn valve 05 and discharge chamber 03 enclose, and liquid refrigerants can be blocked in by valve block 52 at this time In cavity, therefore liquid refrigerants cannot enter inside compressor via venthole 53, effectively prevent liquid refrigerants via exhaust pipe 04 flows back to inside compressor.

Embodiment 3

Reference view 11 and schematic diagram 12, the exhaust apparatus of the present embodiment further include being set on 03 outer wall of discharge chamber Safety valve 06, safety valve 06 and exhaust pipe 04 are set to the same side surface of discharge chamber 03.Referring to schematic diagram 12, safety valve 06 includes valve body 61, spool (unmarked in figure), air inlet 63 and gas vent 64.61 both ends of valve body are respectively arranged with air inlet 63 and gas vent 64, cavity 62 is provided in the middle part of valve body 61, and 62 both ends of cavity are connected to respectively at air inlet 63 with gas vent 64.Valve Core is set in the cavity 62 inside valve body 61, and spool includes elastic component and plugging sheet 65, and elastic component is spring in the present embodiment 66.66 first end of spring is fixedly connected with plugging sheet 65, is fixedly connected inside elastic component second end and cavity 62, plugging sheet 65 leans on Nearly air inlet 63.The diameter of plugging sheet 65 is greater than 63 diameter of air inlet.The first end of spring 66 is fixedly connected with plugging sheet 65, the Two ends are fixedly connected with 62 inner wall of cavity.In slightly compressed state when spring 66 is placed in cavity 62, plugging sheet 65 is placed in Close to one end of air inlet 63 in cavity 62, it is under the elastic deformation state of compression, plugging sheet 65 can be pushed up due to spring 66 Firmly it is adjacent to air inlet 63.The diameter of plugging sheet 65 is slightly larger than the diameter of air inlet 63, and is less than the internal diameter of cavity 62；It blocks in this way After piece 65 blocks air inlet 63, the high temperature and high pressure gas inside compressor is lower than the deformation power of spring 66 to the pressure of plugging sheet 65 When, high temperature and high pressure gas cannot open plugging sheet 65；Only when high temperature and high pressure gas pressure is more than the deformation power of spring 66, Plugging sheet 65 can be opened to enter in cavity 62.

With continued reference to schematic diagram 12, in the present embodiment, in order to facilitate the installation of spring 66, in 62 inner wall of cavity close to row The position of port is provided with two opposite fixed blocks 68, and the second end of spring 66 is fixed on it by the modes such as welding or binding In on a fixed block 68.It is not connected between the second end of spring 66 and another fixed block 68, only when spring 66 is pressed When contracting, the free portion of 66 second end of spring can be pressed in another 68 surface of fixed block.In this way, on the one hand can be more convenient Spring 66 is fixed in cavity 62, on the other hand, spring 66 compress when due to fixed block 68 blocking, exhaust will not be blocked Hole 64.

Referring also to schematic diagram 11 and Figure 12 are vented in cavity wall 31 and offer relief hole, and 06 one end of safety valve is fixed part (unmarked in figure), the other end are interconnecting piece (unmarked in figure), offer gas vent 64 on fixed part, offer on interconnecting piece Air inlet 63 (is not drawn into) in figure, and gas vent 64 is connected to air inlet 63, and interconnecting piece is connect with the relief hole on discharge chamber 03. It is provided with external screw thread on interconnecting piece, pressure release hole peripheral is provided with mutually matched internal screw thread, and when installation only needs safety valve 06 Interconnecting piece and relief hole between be connected through a screw thread.In the present embodiment, valve body 61 is T-shaped structure, wherein Fixed part diameter is greater than the diameter of interconnecting piece, fixed after setting can make safety valve 06 be mounted on discharge chamber 03 in this way It is formed and is blocked at the relief hole of portion's discharge chamber 03 as multipair as possible, reduced under compressor service pressure, high temperature and high pressure gas Seam crossing between safety valve 06 and discharge chamber 03 leaks out.In order to guarantee safety valve 06 under compressor service pressure state Sealing function, the place that the fixed part corner of valve body 61 contacts with discharge chamber 03 is provided with elastic sealing element 67, such as scheme Shown, elastic sealing element 67 is the circular ring shape that internal diameter and valve body 61 cooperate, and can be elastic rubber ring or polyurethane material or silicon The materials such as glue or engineering plastics are made.

As the improvement of the present embodiment, in other embodiments, card slot or pothole can also be set in the periphery of relief hole, Mutually matched strip or protrusion are set on interconnecting piece, and such interconnecting piece can be caught in relief hole, realize safety valve installation In exhaust cavity wall.

As the improvement of the present embodiment, in other embodiments, it is elasticity that safety valve, which is embedded in the coupling part in relief hole, Part is made, and the diameter of elastic component is slightly larger than the diameter of relief hole.Safety valve will form interference fit after being caught in relief hole in this way； It can prevent gas from leaking out from the two edge joint position, guarantee the sealing function of safety valve under normal pressure conditions.

Reference view 13, the present embodiment further include a kind of horizontal type scroll compressor, and entire horizontal compressor passes through fixation Seat (unmarked in figure) is fixed on scheduled installation site.Compressor mainly include controller, motor, compression mechanism, main support, Auxiliary stand, air inlet pipe 07, exhaust pipe 04, discharge chamber, oil-gas separation tube, one way stop peturn valve, safety valve 06 and casing 08.It is wherein electric Machine and compression mechanism are arranged on bracket, and bracket is fixedly connected with casing 08, and exhaust pipe 04 and the setting of safety valve 06 are being vented The end of cavity wall 31.

The course of work brief introduction of compressor in the present embodiment: when compressor works normally, the refrigerant of low-temp low-pressure is from air inlet Pipe 07 enters inside compressor, and subsequently into high temperature and high pressure gas is compacted into scroll plate, subsequent high temperature and high pressure gas expands It is dissipated to motor region, and enters discharge chamber by oil-gas separation tube, then enter exhaust pipe 04 via one way stop peturn valve and be discharged To compressor.When being normal pressure (for example being lower than 5MPa) state inside compressor, at this moment compressor internal high temperature is high Calm the anger body pressure it is relatively low, due in safety valve 06 spring elastic deformation effect, plugging sheet is withstood to and is adjacent to air inlet, Therefore gas will not enter in safety valve；When pressure value inside compressor reaches elevated pressures state (such as 5MPa and with On), high temperature and high pressure gas has been more than the elastic deformation power of spring, the plugging sheet top that can will be connect with spring to the pressure of plugging sheet It opens, then high temperature and high pressure gas enters spool, is discharged using gas vent, to reach self-relieving purpose.

Horizontal type scroll compressor in the present embodiment significantly improves compression by setting discharge chamber and oil-gas separation tube The oil-gas separation efficiency of machine, efficiently solves the technical issues of high temperature and high pressure gas takes lubricating oil out of；By the way that unidirectional stop is arranged Valve is returned, the liquid refrigerants outside exhaust outlet end is effectively prevent to flow backward to inside compressor via exhaust pipe, improves compressor Working efficiency, reduce the energy consumption of compressor；By the way that safety valve is arranged, it is not vented, compresses when realizing compression normal operating conditions Be vented automatically in the case that machine internal pressure is excessively high, to guarantee the safety of compressor, safety valve structure is simple, be not easy blocking and High efficient and reliable.

Although describing the utility model by reference to various embodiments above, but it is to be understood that do not departing from this reality In the case where with novel range, many changes and modifications can be carried out.Therefore, being intended to foregoing detailed description is considered as example The property shown and not restrictive, and it is to be understood that be intended to limit this practical new for following following claims (including all equivalents) The spirit and scope of type.The above embodiment is interpreted as being merely to illustrate the utility model rather than limit originally practical new The protection scope of type.After the content for the record for having read the utility model, technical staff can make the utility model each Kind change or modification, these equivalence changes and modification equally fall into the utility model claims limited range.

Claims (10)

1. a kind of exhaust apparatus of horizontal type scroll compressor, is set to one end of horizontal type scroll compressor, which is characterized in that including Discharge chamber, exhaust pipe and oil-gas separation tube；The exhaust pipe is set on the exhaust cavity outer wall, the oil-gas separation tube setting In the discharge chamber on the side surface opposite with the exhaust pipe；The oil-gas separation tube include interconnected inlet end and Exhaust end, the inlet end are connected to compressor inner space, and the exhaust end is located in the discharge chamber and opening direction court Under, at least one mixing chamber and/or bend are set on the oil-gas separation tube, and the diameter of the mixing chamber is greater than the inlet end With the diameter of exhaust end.

2. the exhaust apparatus of horizontal type scroll compressor as described in claim 1, which is characterized in that the mixing is intracavitary to be provided with Lubricate oil adsorbent or filter core.

3. the exhaust apparatus of horizontal type scroll compressor as described in claim 1, which is characterized in that it further include one way stop peturn valve, The one way stop peturn valve is set to inside the discharge chamber and forms accommodating chamber, the exhaust with the opposite exhaust cavity wall Pipe is connected to the accommodating chamber；The one way stop peturn valve includes valve seat and valve block, and venthole, the valve are offered on the valve seat Surface opposite with the exhaust cavity wall in the valve seat is fixed in piece one end, and the valve block other end is put up in the outlet Kong Shang.

4. the exhaust apparatus of horizontal type scroll compressor as claimed in claim 3, which is characterized in that the upper end of the valve block and institute It states valve seat to be fixedly connected, the lower end of the valve block is put up on the venthole.

5. the exhaust apparatus of horizontal type scroll compressor as claimed in claim 4, which is characterized in that the level of the venthole is high Degree is higher than the level height of the exhaust pipe.

6. the exhaust apparatus of horizontal type scroll compressor as claimed in claim 1 or 3, which is characterized in that further include being set to institute The safety valve on exhaust cavity outer wall is stated, the safety valve includes valve body, spool, air inlet and gas vent；The valve body both ends point Be not provided with air inlet and gas vent, be provided with cavity in the middle part of the valve body, the cavity both ends respectively at the air inlet and Gas vent connection；The spool is set in the cavity of the valve inner, and the spool includes elastic component and plugging sheet, described Elastic component first end is fixedly connected with the plugging sheet, and the elastic component second end is fixedly connected with the cavity inside, described Plugging sheet is close to the air inlet.

7. the exhaust apparatus of horizontal type scroll compressor as claimed in claim 6, which is characterized in that the diameter of the plugging sheet is big In the air inlet bore dia.

8. the exhaust apparatus of horizontal type scroll compressor as claimed in claim 7, which is characterized in that the valve body and the exhaust Cavity outer wall be threadedly coupled snap connection or be interference fitted or be fixedly connected or gluing connection.

9. the exhaust apparatus of horizontal type scroll compressor as claimed in claim 8, which is characterized in that the safety valve further includes close Sealing, the sealing element are set to the boundary position of the valve body and the exhaust cavity outer wall.

10. a kind of horizontal type scroll compressor, which is characterized in that including exhaust apparatus described in any one of claim 1-9, also It is close between the auxiliary stand periphery and the casing including control system, motor, compression mechanism, main support, auxiliary stand and casing Envelope connection, forms the discharge chamber, the oil-gas separation tube inlet end is set between the auxiliary stand and the casing end It is connected on the auxiliary stand and with compressor inner space.