CN209100259U - Fixed scroll component and screw compressor - Google Patents

Abstract

The utility model relates to a kind of fixed scroll component and screw compressors, wherein the fixed scroll component includes fixed scroll and guide part, the periphery of the fixed scroll is equipped with and the matched installation through-hole of the guide part, axial direction setting of the installation through-hole along the fixed scroll, the guide part is plugged in the installation through-hole, the side wall of the guide part is equipped with annular groove, and cushion chamber is formed with the side wall of the installation through-hole, or the side wall of the installation through-hole is equipped with annular groove, and cushion chamber is formed with the side wall of the guide part, buffer fluid can be filled in the cushion chamber.Buffer fluid is filled in the cushion chamber in use process, when so that the fixed scroll doing movement radially relative to the guide part, the buffer fluid can play certain buffer function to the fixed scroll, the sound hit between the fixed scroll and the guide part is effectively reduced, to reduce the generation of noise.

Description

Fixed scroll component and screw compressor

Technical field

The utility model relates to compressor fields, more particularly to a kind of fixed scroll component and screw compressor.

Background technique

In screw compressor, the compression of refrigerant is realized in the main relative motion by between orbiter and fixed scroll Process, thus it is higher to the sealing requirements of the cavity of the formation between orbiter and fixed scroll in use process.For this purpose, Set fixed scroll to the structure with axial elasticity, so as to fixed scroll can in middle pressure chamber under the action of pressure always It is pressed on orbiter.And the feature of fixed scroll axial elasticity is generally covered by the way that through-hole is arranged on fixed scroll in guide post On, then guide post is fixed on bracket to realize.Fixed scroll can float in the axial direction relative to guide post, to reach above-mentioned The effect of axial elasticity.Based on this, there is opposite move when fixed scroll is by radial forces, between fixed scroll and guide post It is dynamic, shock is generated, noise is caused.

Utility model content

Based on this, it is necessary to a kind of fixed scroll component and screw compressor are provided, it is aborning to reduce operation process Noise.

A kind of fixed scroll component, including fixed scroll and guide part, the periphery of the fixed scroll is equipped with leads with described To the matched installation through-hole of part, along the axial direction setting of the fixed scroll, the guide part is plugged in described the installation through-hole In installation through-hole, the side wall of the guide part is equipped with annular groove, and forms cushion chamber with the side wall of the installation through-hole；Or institute The side wall for stating installation through-hole is equipped with annular groove, and forms cushion chamber with the side wall of the guide part, can fill out in the cushion chamber Fill buffer fluid.

Above scheme provides a kind of fixed scroll component, passes through the cooperation between the installation through-hole and the guide part Realize the floating of the fixed scroll in the axial direction.Buffer fluid is filled in the cushion chamber in use process, so that described When fixed scroll does movement radially relative to the guide part, the buffer fluid can play one to the fixed scroll The sound hit between the fixed scroll and the guide part is effectively reduced in fixed buffer function, to reduce the production of noise It is raw.

In one of the embodiments, the fixed scroll component further include be arranged at the side wall of the guide part with Upper seal and lower seal between the side wall of the installation through-hole, the upper seal are located at the top of the cushion chamber, The lower seal is located at the lower section of the cushion chamber.

In one of the embodiments, the side wall of the guide part and the upper seal and/or with the lower seal Corresponding position is equipped with the placing groove of annular, for placing corresponding sealing ring；Or the side wall of the installation through-hole with it is described Upper seal and/or position corresponding with the lower seal are equipped with the placing groove of annular, for placing corresponding sealing ring.

In one of the embodiments, the fixed scroll be equipped with flow-guiding channel, described flow-guiding channel one end with it is described quiet The discharge chamber of scroll plate is connected to, and the other end of the flow-guiding channel is connected to the cushion chamber.

The fixed scroll component further includes the first joint assembly in one of the embodiments, first connector The input terminal of component is connected to the flow-guiding channel, and the output end of first joint assembly is connected to the cushion chamber, is used for Buffer fluid in the discharge chamber is imported into the cushion chamber.

The outer rim of the fixed scroll is circumferentially with 4 installation through-holes, the guiding in one of the embodiments, Part is 4, and the guide part and the installation through-hole correspond, and forms two groups of adjacent cushion chambers, described first connects Head assembly and the flow-guiding channel are two, and the flow-guiding channel and first joint assembly correspond, and described first The input terminal of joint assembly is connected to corresponding flow-guiding channel, and first joint assembly includes two output ends, two outputs End is connected to two cushion chambers in same group respectively.

The first joint assembly includes the first tap, the first efferent duct and the second output in one of the embodiments, Pipe, first tap have an entrance and two outlets, the entrance of first tap and corresponding water conservancy diversion The corresponding conducting setting in channel, the entrance of first efferent duct are connected to the one outlet of first tap, and described the Another outlet of the entrance of two efferent ducts and first tap, the outlet of first efferent duct and described The outlet of two efferent ducts is connected to two cushion chambers in same group respectively.

Face where the first tap upper inlet is joint face in one of the embodiments, the quiet vortex Position on disk where the outlet of the flow-guiding channel is equipped with mating surface, and the joint face can be bonded with the mating surface, make The outlet for obtaining the flow-guiding channel is opposite with the entrance of first tap.

4 installation through-holes are evenly spaced in the circumferential direction of the fixed scroll in one of the embodiments, and two A flow-guiding channel being arranged radially along the fixed scroll, and two flow-guiding channels are oppositely arranged, the water conservancy diversion One end that channel and corresponding first joint assembly are connected to is between corresponding two installation through-holes.

The outer rim of the fixed scroll is circumferentially with 4 lugs in one of the embodiments, and 4 lugs are along described quiet The circumferential direction of scroll plate is evenly spaced on, and 4 installation through-holes are separately positioned on 4 lugs, close to right on the lug The side of the first joint assembly is answered to be equipped with flow-in hole, one end of the flow-in hole is connected to corresponding cushion chamber, the flow-in hole The output end of the other end and corresponding first joint assembly be connected to.

The fixed scroll component further includes the second joint assembly, demarcation plate and upper cover in one of the embodiments, The demarcation plate is arranged above the fixed scroll, and the upper cover lid is located at the top of the demarcation plate, forms high pressure gas Chamber, the high pressure gas chamber are connected with the discharge chamber of the fixed scroll, and the side wall of the high pressure gas chamber is equipped with output channel, Second joint assembly one end is connected to the output channel, and the other end and the cushion chamber of second joint assembly connect It is logical, for the buffer fluid in the high pressure gas chamber to be imported the cushion chamber.

The outer rim of the demarcation plate tilts down in one of the embodiments, is formed in the high pressure gas chamber slow The part that the demarcation plate tilts down is arranged in swash of wave body crystallizing field, the output channel, is connected with the crystallizing field.

One end that second joint assembly is connected to the output channel in one of the embodiments, is plugged in described In output channel, second joint assembly is inserted in the part in the output channel for construction section, outside the construction section Wall is equipped with the limiting slot of annular, is equipped with sealing ring in the limiting slot, the sealing ring be pressed on the construction section with it is described defeated Out between the side wall in channel.

The outer rim of the fixed scroll is circumferentially with 4 installation through-holes, the guiding in one of the embodiments, Part is 4, and the guide part and the installation through-hole correspond, and forms two groups of adjacent cushion chambers, described second connects Head assembly and the output channel are two, and second joint assembly and the output channel correspond, and each second Joint assembly is corresponding with one group of adjacent cushion chamber, and each second joint assembly includes the second tap, third output Pipe and the 4th efferent duct, second tap have an entrance and two outlets, the entrance of second tap Setting is connected with the output channel, the entrance of the third efferent duct is connected to the one outlet of second tap, Another outlet of the entrance of 4th efferent duct and second tap, the outlet of the third efferent duct and The outlet of 4th efferent duct is connected to two cushion chambers in same group respectively.

A kind of screw compressor, including above-mentioned fixed scroll component.

Above scheme provides a kind of screw compressor, and the screw compressor is by using described in any of the above-described embodiment Fixed scroll component when by active force radially, will receive institute so that fixed scroll is while meeting axial floating The buffer function for stating buffer fluid in cushion chamber effectively reduces the shock between the fixed scroll and the guide part, from And reduce the generation of noise.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of screw compressor described in the present embodiment；

Fig. 2 is the cross-sectional view of the fixed scroll component in one embodiment；

Fig. 3 is the partial enlarged view in Fig. 2 at A；

Fig. 4 is the structural schematic diagram of fixed scroll component described in Fig. 2；

Fig. 5 is the structural schematic diagram of fixed scroll in fixed scroll component described in Fig. 4；

Fig. 6 is the structural schematic diagram of the first joint assembly in fixed scroll component described in Fig. 4；

Fig. 7 is the cross-sectional view of fixed scroll component in another embodiment；

Fig. 8 is the structural schematic diagram of fixed scroll component described in Fig. 7；

Fig. 9 is the structural schematic diagram of fixed scroll in fixed scroll component described in Fig. 7；

Figure 10 is the structural schematic diagram of the second joint assembly in fixed scroll component described in Fig. 7.

Description of symbols:

10, screw compressor, 11, fixed scroll component, 111, fixed scroll, 1111, installation through-hole, 1112, water conservancy diversion it is logical Road, 1113, discharge chamber, 1114, mating surface, 1115, lug, 1116, flow-in hole, 112, guide part, 113, cushion chamber, 114, Upper seal, 115, lower seal, the 116, first joint assembly, the 1161, first tap, the 1162, first efferent duct, 1163, the second efferent duct, 1164, joint face, the 117, second joint assembly, the 1171, second tap, 1172, third output Pipe, the 1173, the 4th efferent duct, 118, demarcation plate, 1181, high pressure gas chamber, 1182, crystallizing field, 119, upper cover, 12, limit spiral shell Nail, 13, orbiter, 14, upper bracket.

Specific embodiment

As shown in Figure 1, Figure 2 and Figure 7, a kind of fixed scroll component 11, including quiet vortex are provided in one embodiment Disk 111 and guide part 112, the periphery of the fixed scroll 111 be equipped with the matched installation through-hole 1111 of the guide part 112, The installation through-hole 1111 is arranged along the axial direction of the fixed scroll 111, and the guide part 112 is plugged in the installation through-hole In 1111, the side wall of the guide part 112 is equipped with annular groove, and forms cushion chamber 113 with the side wall of the installation through-hole 1111； Or the side wall of the installation through-hole 1111 is equipped with annular groove, and forms cushion chamber 113, institute with the side wall of the guide part 112 Buffer fluid can be filled by stating in cushion chamber 113.

Above scheme provides a kind of fixed scroll component 11, passes through the installation through-hole 1111 and the guide part 112 Between cooperation the floating of the fixed scroll 111 in the axial direction is oriented to.In use process in the cushion chamber 113 Fill buffer fluid, when so that the fixed scroll 111 doing movement radially relative to the guide part 112, the buffering Fluid can play certain buffer function to the fixed scroll 111, and the fixed scroll 111 and the guiding is effectively reduced The sound hit between part 112, to reduce the generation of noise.

Specifically, the buffer fluid can be the fluid introduced from the external world, the height being also possible in screw compressor 10 Press refrigeration oil and/or high pressure refrigerant.And the guide part 112 is mainly used for cooperating with the installation through-hole 1111, realizes institute The floating of fixed scroll component 11 in the axial direction is stated, specifically, as shown in Figure 1, Figure 2 and shown in Fig. 6, the guide part 112 can be Guide cylinder is fixed on the upper bracket 14 for support orbiter 13 by stop screw 12.Optionally, the guide part 112 are also possible to the device being connected directly between on the upper bracket 14, as long as it can cooperate with the installation through-hole 1111, are The fixed scroll 111 of axial floating provides guiding role.

And the formation of the cushion chamber 113 both can by be arranged on 112 side wall of guide part the annular groove come It realizes, annular groove can also be arranged by the side wall in the installation through-hole 1111 to realize, as long as making the cushion chamber 113 It is formed between the side wall of the installation through-hole 1111 and the side wall of the guide part 112, as long as that is, described cushion chamber 113 In buffer fluid can it is in the radial direction to fixed scroll 111 movement play buffer function, can reduce fixed scroll 111 with Shock between guide part 112.

Further, in one embodiment, as shown in figure 3, the fixed scroll component 11 further includes being arranged at Upper seal 114 and lower seal 115 between the side wall of the guide part 112 and the side wall of the installation through-hole 1111, institute The top that upper seal 114 is located at the cushion chamber 113 is stated, the lower seal 115 is located at the lower section of the cushion chamber 113.

Need to do the floating in axial direction relative to the guide part 112 based on the fixed scroll 111, and the cushion chamber 113 setting needs to ensure there is certain leakproofness again, therefore the upper seal 114 and the lower seal is arranged 115, enable buffer fluid in the cushion chamber 113 in the close of the upper seal 114 and the lower seal 115 It is relatively reliable under envelope effect to be located in the cushion chamber 113.And the material based on upper seal 114 and the lower seal 115 Characteristic, upper seal 114 and the lower seal 115 will not generate too the floating of the fixed scroll 111 in the axial direction Big resistance effect.

Further, in one embodiment, as shown in figure 3, the side wall of the guide part 112 and the upper seal 114 and/or position corresponding with the lower seal 115 be equipped with annular placing groove, for placing corresponding sealing ring；Or The side wall and the upper seal 114 of the installation through-hole 1111 and/or position corresponding with the lower seal 115 are equipped with ring The placing groove of shape, for placing corresponding sealing ring.Placement space is provided for corresponding sealing ring by the way that the placing groove is arranged, Play the role of limit simultaneously, ensures the upper seal 114 during the fixed scroll 111 floats up and down in the axial direction It is at corresponding position with the lower seal 115, is not in that the upper seal 114 and the lower seal 115 are run Inclined situation, it is ensured that the sealing reliability of the cushion chamber 113.

Further, in one embodiment, the placing groove is arranged on the side wall equipped with the annular groove, even The annular groove is arranged on the guide part 112, then the placing groove is arranged on the side wall of the guide part 112, if The annular groove is arranged on the side wall of the installation through-hole 1111, then the placing groove is arranged in the installation through-hole 1111 Side wall on, the top of the cushion chamber 113 so can be then always positioned at upper seal 114 described in effective guarantee, under described Sealing ring 115 is always positioned at the lower section of the cushion chamber 113, the leakproofness of cushion chamber 113 described in further effective guarantee.

Further, in one embodiment, fixed scroll 111 as described in Figure 2 is equipped with flow-guiding channel 1112, the water conservancy diversion 1112 one end of channel is connected to the discharge chamber 1113 of the fixed scroll 111, the other end of the flow-guiding channel 1112 with it is described Cushion chamber 113 is connected to.To which the high pressure refrigerant in the discharge chamber 1113 of the fixed scroll 111 is introduced the cushion chamber 113 In, it is used as buffer fluid.

Specifically, in one embodiment, as shown in Figure 2 and Figure 4, the fixed scroll component 11 further includes first connecing Head assembly 116, the input terminal of first joint assembly 116 are connected to the flow-guiding channel 1112, first joint assembly 116 output end is connected to the cushion chamber 113, for by the buffer fluid in the discharge chamber 1113 of the fixed scroll 111 Import the cushion chamber 113.By the setting of first joint assembly 116 realize indirectly the flow-guiding channel 1112 with it is described Connection between cushion chamber 113, so that the high pressure refrigerant in the discharge chamber 1113 of 1112 one end of flow-guiding channel is introduced cushion chamber In 113.

Alternatively it is also possible to directly pass through the flow-guiding channel by the reasonable setting in 1112 path of flow-guiding channel High pressure refrigerant in the discharge chamber 1113 of the fixed scroll 111 is introduced cushion chamber 113 by 1112.Moreover, working as the cushion chamber 113 when being set as multiple, can also realize each 113 mesohigh refrigerant of cushion chamber by the way that multiple flow-guiding channels 1112 are arranged Introducing process.

Further, in one embodiment, as shown in Figure 4 and Figure 5, the outer rim of the fixed scroll 111 is circumferentially with 4 A installation through-hole 1111, the guide part 112 are 4, and the guide part 112 and the installation through-hole 1,111 1 are a pair of It answers, forms two groups of adjacent cushion chambers 113, first joint assembly 116 and the flow-guiding channel 1112 are two, The flow-guiding channel 1112 is corresponded with first joint assembly 116, the input terminal of first joint assembly 116 with it is right The flow-guiding channel 1112 answered is connected to, and first joint assembly 116 includes two output ends, two output ends respectively with it is same Two cushion chambers 113 connection in group.

To improve the fixed scroll component 11 in the accuracy of axial floating, 4 are set up in the week of fixed scroll 111 And the guide part 112 and installation through-hole 1111, to form two groups of adjacent cushion chambers 113.As shown in figure 4, at each group One the first joint assembly 116 is set between adjacent cushion chamber 113, using first joint assembly 116 by a water conservancy diversion In one group of buffer fluid Decentralized Pull in adjacent cushion chamber 113 in channel 1112.To pass through two 1112 Hes of flow-guiding channel Two the first joint assemblies 116, realize the introducing of buffer fluid in four cushion chambers 113.

Alternatively it is also possible to set the structure with multiple outlets, i.e., one first for first joint assembly 116 Joint assembly 116 then realizes the introducing process of buffer fluid in multiple cushion chambers 113.

Specifically, in one embodiment, as shown in Figure 4 and Figure 6, the first joint assembly 116 includes the first tap 1161, the first efferent duct 1162 and the second efferent duct 1163, first tap 1161 go out with an entrance and two Mouthful, the conducting setting corresponding with corresponding flow-guiding channel 1112 of the entrance of first tap 1161, first efferent duct 1162 entrance is connected to the one outlet of first tap 1161, the entrance of second efferent duct 1163 with it is described Another outlet of first tap 1161, the outlet of first efferent duct 1162 and second efferent duct 1163 Outlet be connected to respectively with two cushion chambers 113 in same group.

As shown in figure 4, after the first tap 1161 introduces the buffer fluid in a flow-guiding channel 1112, buffer stream Body is divided into two outlet outflows in the first tap 1161, flows out respectively from two outlets of the first tap 1161 Buffer fluid under the guidance respectively of first efferent duct 1162 and second efferent duct 1163 enter corresponding buffering Chamber 113.

Moreover, specifically, first efferent duct 1162 and second efferent duct 1163 can directly delay with corresponding The connection of chamber 113 is rushed to import buffer fluid, it can also be as shown in Figure 5 by the way that flow-in hole be arranged around the cushion chamber 113 1116, the first efferent duct 1162 and the second efferent duct 1163 are plugged in corresponding flow-in hole 1116, flow-in hole 1116 is passed through The connection between the first efferent duct 1162 and the second efferent duct 1163 and corresponding cushion chamber 113 is realized indirectly.First output Position of the setting of pipe 1162 and 1163 specific structure of the second efferent duct then based on first tap 1161 outlet Depending on the position of the cushion chamber 113.

Further specifically, in one embodiment, as shown in Figure 5 and Figure 6, enter on first tap 1161 Face where mouthful is joint face 1164, and the position on the fixed scroll 111 where the outlet of the flow-guiding channel 1112 is equipped with Mating surface 1114, the joint face 1164 can be bonded with the mating surface 1114, so that the outlet of the flow-guiding channel 1112 It is opposite with the entrance of first tap 1161.

In use process, first tap 1161 is connected to by the quiet vortex by screw or other connectors Disk 111 is equipped with the position of the flow-guiding channel 1112.So that joint face 1164 on first tap 1161 with it is described Mating surface 1114 on fixed scroll 111 is bonded, the outlet of the entrance of the first tap 1161 and the flow-guiding channel 1112 It is oppositely arranged, to realize buffer fluid in the transition of the 1112 to the first joint assembly of flow-guiding channel 116.

Further specifically, in one embodiment, as shown in Figure 4 and Figure 5,4 installation through-holes 1111 are described The circumferential direction of fixed scroll 111 is evenly spaced on, and radial direction of two flow-guiding channels 1112 along the fixed scroll 111 is set It sets, and two flow-guiding channels 1112 are oppositely arranged, the flow-guiding channel 1112 is connected to corresponding first joint assembly 116 One end is between corresponding two installation through-holes 1111.One group of adjacent cushion chamber 113 connects with positioned at first between the two The corresponding connection of head assembly 116, so that overall structure is more compact.

Specifically, in one embodiment, as shown in figure 5, the outer rim of the fixed scroll 111 is circumferentially with 4 lugs 1115,4 lugs 1115 are evenly spaced on along the circumferential direction of the fixed scroll 111, and 4 installation through-holes 1111 are distinguished It is arranged on 4 lugs 1115, the side on the lug 1115 close to corresponding first joint assembly 116 is equipped with flow-in hole 1116, one end of the flow-in hole 1116 is connected to corresponding cushion chamber 113, the other end of the flow-in hole 1116 with it is corresponding The output end of first joint assembly 116 is connected to.First joint assembly 116 by corresponding flow-in hole 1116 indirectly with it is corresponding Cushion chamber 113 be connected to.

Specifically, as shown in figure 4, when first joint assembly 116 includes the first tap 1161, the first efferent duct 1162 and when the second efferent duct 1163, the first efferent duct 1162 of the flow-in hole 1116 and corresponding first joint assembly 116 Or second efferent duct 1163 be connected to.

Further, in one embodiment, as shown in fig. 7, the fixed scroll component 11 further includes the second connector Component 117, demarcation plate 118 and upper cover 119, the demarcation plate are arranged above the fixed scroll 111, and the upper cover 119 is covered It is located at the top of the demarcation plate 118, forms high pressure gas chamber 1181, the high pressure gas chamber 1181 and the fixed scroll 111 discharge chamber 1113 is connected, and the side wall of the high pressure gas chamber 1181 is equipped with output channel, second joint assembly 117 One end is connected to the output channel, and the other end of second joint assembly 117 is connected to the cushion chamber 113, and being used for will Buffer fluid in the high pressure gas chamber 1181 imports the cushion chamber 113.

By the setting of second joint assembly 117, by the high pressure refrigeration oil and height in the high pressure gas chamber 1181 Refrigerant is pressed to introduce cushion chamber 113, and the compressibility of the high pressure refrigeration oil is smaller, to further improve buffering noise reduction Effect.The discharge chamber of the high pressure gas chamber 1181 and the fixed scroll 111 that are formed between demarcation plate 118 and upper cover 119 1113 connections, the high pressure refrigeration oil being brought into the high pressure refrigerant can then deposit in the high pressure gas chamber 1181, described The high pressure refrigeration oil of deposition can then be imported cushion chamber 113 by the second joint assembly 117.Certain second joint assembly 117 High pressure refrigerant in high pressure gas chamber 1181 can also be imported into corresponding cushion chamber 113, realize the purpose of buffering noise reduction.And And based on the demarcation plate 118 and upper cover 119 there is no floating up and down as the fixed scroll 111, therefore use Second joint assembly 117 is connected to the high pressure gas chamber 1181 realizes that the conductive process reliability of buffer fluid is higher.

Further, in one embodiment, as shown in fig. 7, the outer rim of the demarcation plate 118 tilts down, described Buffer fluid crystallizing field 1182 is formed in high pressure gas chamber 1181, the output channel setting dips down in the demarcation plate 118 Oblique part is connected with the crystallizing field 1182.

By the way that the outer rim of the demarcation plate 118 to be obliquely installed, so that the crystallizing field 1182 is formed, so that high pressure freezes Oil is mainly gathered in crystallizing field 1182, facilitates introducing of second joint assembly 117 to high pressure refrigeration oil.

Further specifically, in one embodiment, as shown in Figure 7 to 10, second joint assembly 117 and institute The one end for stating output channel connection is plugged in the output channel, and it is logical that second joint assembly 117 is inserted in the output Part in road is construction section, and the outer wall of the construction section is equipped with the limiting slot of annular, is equipped with sealing ring, institute in the limiting slot Sealing ring is stated to be pressed between the construction section and the side wall of the output channel.As shown in Figure 7 and Figure 8, by the second connector group Part 117 is plugged in output channel, and is further increased second joint assembly 117 using sealing ring and connected at output channel Connect the reliability of sealing.

Further, in one embodiment, as shown in Figure 7 to 10, the outer rim of the fixed scroll 111 is circumferentially with 4 installation through-holes 1111, the guide part 112 are 4, and the guide part 112 and the installation through-hole 1,111 1 are a pair of It answers, forms two groups of adjacent cushion chambers 113, second joint assembly 117 and the output channel are two, described Second joint assembly 117 is corresponded with the output channel, each second joint assembly 117 cushion chamber adjacent with one group 113 is corresponding, and each second joint assembly 117 includes the second tap 1171, third efferent duct 1172 and the 4th efferent duct 1173, second tap 1171 have an entrance and two outlet, the entrance of second tap 1171 with The output channel conducting setting, the one outlet of the entrance of the third efferent duct 1172 and second tap 1171 Connection, the entrance of the 4th efferent duct 1173 and another outlet of second tap 1171, the third The outlet of efferent duct 1172 and the outlet of the 4th efferent duct 1173 are connected to two cushion chambers 113 in same group respectively. With it is aforementioned be equipped with the first joint assembly 116 when the case where it is similar, above scheme is defeated using two the second joint assemblies 117 and two Channel out realizes the importing process of buffer fluid in four cushion chambers 113.

Further, a kind of screw compressor 10 is provided in another embodiment, including above-mentioned fixed scroll group Part 11.

Above scheme provides a kind of screw compressor 10, and the screw compressor 10 is by using any of the above-described embodiment The fixed scroll component 11, so that fixed scroll 111 is while meeting axial floating, by active force radially When, it will receive the buffer function of buffer fluid in the cushion chamber 113, effectively reduce the fixed scroll 111 and led with described Shock between part 112, to reduce the generation of noise.

Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited In contradiction, all should be considered as described in this specification.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.

Claims (15)

1. a kind of fixed scroll component, which is characterized in that including fixed scroll and guide part, the periphery of the fixed scroll is equipped with With the matched installation through-hole of the guide part, the installation through-hole is arranged along the axial direction of the fixed scroll, and the guide part is inserted It is located in the installation through-hole, the side wall of the guide part is equipped with annular groove, and is formed and buffered with the side wall of the installation through-hole Chamber；Or the side wall of the installation through-hole is equipped with annular groove, and forms cushion chamber, the cushion chamber with the side wall of the guide part In can fill buffer fluid.

2. fixed scroll component according to claim 1, which is characterized in that further include the side for being arranged at the guide part Upper seal and lower seal between wall and the side wall of the installation through-hole, the upper seal are located at the upper of the cushion chamber Side, the lower seal are located at the lower section of the cushion chamber.

3. fixed scroll component according to claim 2, which is characterized in that the side wall of the guide part and the upper sealing Circle and/or position corresponding with the lower seal are equipped with the placing groove of annular, for placing corresponding sealing ring；Or it is described The side wall of installation through-hole and the upper seal and/or position corresponding with the lower seal are equipped with the placing groove of annular, use In the corresponding sealing ring of placement.

4. fixed scroll component according to any one of claims 1 to 3, which is characterized in that the fixed scroll is equipped with and leads Circulation road, described flow-guiding channel one end are connected to the discharge chamber of the fixed scroll, the other end of the flow-guiding channel with it is described Cushion chamber connection.

5. fixed scroll component according to claim 4, which is characterized in that it further include the first joint assembly, described first The input terminal of joint assembly is connected to the flow-guiding channel, and the output end of first joint assembly is connected to the cushion chamber, For the buffer fluid in the discharge chamber to be imported the cushion chamber.

6. fixed scroll component according to claim 5, which is characterized in that the outer rim of the fixed scroll is circumferentially with 4 A installation through-hole, the guide part are 4, and the guide part and the installation through-hole correspond, and two groups of formation is adjacent The cushion chamber, first joint assembly and the flow-guiding channel are two, and the flow-guiding channel connects with described first Head assembly corresponds, and the input terminal of first joint assembly is connected to corresponding flow-guiding channel, first joint assembly Including two output ends, two output ends are connected to two cushion chambers in same group respectively.

7. fixed scroll component according to claim 6, which is characterized in that the first joint assembly includes that the first shunting connects Head, the first efferent duct and the second efferent duct, first tap have an entrance and two outlets, and described first shunts The conducting setting corresponding with corresponding flow-guiding channel of the entrance of connector, the entrance of first efferent duct and first tap One outlet connection, another outlet of the entrance of second efferent duct and first tap, described the The outlet of one efferent duct and the outlet of second efferent duct are connected to two cushion chambers in same group respectively.

8. fixed scroll component according to claim 7, which is characterized in that face where the first tap upper inlet It is joint face, the position on the fixed scroll where the outlet of the flow-guiding channel is equipped with mating surface, the joint face energy It is enough to be bonded with the mating surface, so that the outlet of the flow-guiding channel is opposite with the entrance of first tap.

9. fixed scroll component according to claim 6, which is characterized in that 4 installation through-holes are in the quiet vortex The circumferential direction of disk is evenly spaced on, two flow-guiding channels being arranged radially along the fixed scroll, and is led described in two Circulation road is oppositely arranged, and the flow-guiding channel is located at corresponding two installation through-holes with one end that corresponding first joint assembly is connected to Between.

10. fixed scroll component according to claim 6, which is characterized in that the outer rim of the fixed scroll is circumferentially with 4 A lug, 4 lugs are evenly spaced on along the circumferential direction of the fixed scroll, 4 installation through-holes be separately positioned on 4 it is convex On ear, be equipped with flow-in hole close to the side of corresponding first joint assembly on the lug, one end of the flow-in hole with it is corresponding Cushion chamber connection, the other end of the flow-in hole are connected to the output end of corresponding first joint assembly.

11. fixed scroll component according to any one of claims 1 to 3, which is characterized in that further include the second connector group Part, demarcation plate and upper cover, the demarcation plate are arranged above the fixed scroll, and the upper cover lid is located at the upper of the demarcation plate Side forms high pressure gas chamber, and the high pressure gas chamber is connected with the discharge chamber of the fixed scroll, the side of the high pressure gas chamber Wall is equipped with output channel, and second joint assembly one end is connected to the output channel, second joint assembly it is another End is connected to the cushion chamber, for the buffer fluid in the high pressure gas chamber to be imported the cushion chamber.

12. fixed scroll component according to claim 11, which is characterized in that the outer rim of the demarcation plate tilts down, Buffer fluid crystallizing field is formed in the high pressure gas chamber, the portion that the demarcation plate tilts down is arranged in the output channel Point, it is connected with the crystallizing field.

13. fixed scroll component according to claim 12, which is characterized in that second joint assembly and the output One end of channel connection is plugged in the output channel, and second joint assembly is inserted in the part in the output channel For construction section, the outer wall of the construction section is equipped with the limiting slot of annular, is equipped with sealing ring in the limiting slot, the sealing ring supports It is pressed between the construction section and the side wall of the output channel.

14. fixed scroll component according to claim 11, which is characterized in that the outer rim of the fixed scroll is circumferentially with 4 installation through-holes, the guide part are 4, and the guide part and the installation through-hole correspond, and two groups of formation is adjacent The cushion chamber, second joint assembly and the output channel are two, second joint assembly with it is described defeated Channel corresponds out, and each second joint assembly is corresponding with one group of adjacent cushion chamber, and each second joint assembly wraps The second tap, third efferent duct and the 4th efferent duct are included, second tap has an entrance and two outlets, The entrance of second tap is connected setting with the output channel, the entrance of the third efferent duct with described second point The one outlet connection of connector, the entrance of the 4th efferent duct and another outlet of second tap are flowed, The outlet of the third efferent duct and the outlet of the 4th efferent duct are connected to two cushion chambers in same group respectively.

15. a kind of screw compressor, which is characterized in that including the described in any item fixed scroll components of claim 1 to 14.