CN206054244U - Crankcase for reciprocating compressor and the compressor with which - Google Patents

Abstract

The utility model discloses a kind of for the crankcase of reciprocating compressor and the compressor with which, the crankcase for reciprocating compressor includes：The support of bearing, the support of bearing include that installing plate and two bracing frames, installing plate and bracing frame are made by metallic plate, and two support the lower section for being erected at installing plate for support mounting plate, and installing plate is provided with installing hole；Bearing, bearing are made and are located in installing hole by metal tube；Air cylinder support, air cylinder support are located on the support of bearing, and air cylinder support is formed generally as column, air cylinder support with along its axially through through hole, air cylinder support is made up of metallic plate, and the two ends of metallic plate join end to end and are formed as column；Cylinder, cylinder are located in through hole.According to the crankcase for reciprocating compressor of this utility model embodiment, moulding process is simple, reduces difficulty of processing and processing cost, while the pollution to environment and the consumption of the energy can be reduced.

Description

Crankcase for reciprocating compressor and the compressor with which

Technical field

This utility model is related to Compressor Technology field, more particularly to a kind of crankcase and tool for reciprocating compressor There is its compressor.

Background technology

It is in the refrigeration plants such as refrigerator, refrigerator, most to use closed reciprocating compressor, its generally comprise crankcase, bent axle, The structures such as connecting rod, piston, in conventional art, crankcase is cast iron or cast aluminium casting, and is needed directly on blank The axis hole and the cylinder holes for reciprocating motion of the pistons of the higher installation bent axle of required precision are opened up, due to foundry goods crankcase structure complexity And it is irregular, when axis hole and cylinder holes is processed, technology difficulty is larger, and process costs are high；Simultaneously in the technique of metal casting thermoforming During it is more serious to the pollution of environment, and energy resource consumption is larger.

Utility model content

This utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality With a kind of crankcase for reciprocating compressor of new proposition, the crankcase moulding process letter for reciprocating compressor It is single, difficulty of processing and processing cost are reduced, while the pollution to environment and the consumption of the energy can be reduced.

This utility model also proposed a kind of reciprocating compressor with the crankcase for reciprocating compressor.

According to the crankcase for reciprocating compressor of this utility model first aspect, including：The support of bearing, the axle Holding support includes that installing plate and two bracing frames, the installing plate and support frame as described above are made by metallic plate, props up described in two Support is located at the lower section of the installing plate for supporting the installing plate, the installing plate to be provided with installing hole；Bearing, it is described Bearing is made and is located in the installing hole by the metal tube；Air cylinder support, the air cylinder support are located at the support of bearing On, the air cylinder support is formed generally as column, the air cylinder support with along its axially through through hole, the air cylinder support It is made up of metallic plate, the two ends of the metallic plate join end to end and are formed as column；Cylinder, the cylinder are located in the through hole.

According to the crankcase for reciprocating compressor of the present utility model, air cylinder support, the support of bearing can adopt metal Plate is made, and bearing and cylinder can be made using metal tube, and bearing and cylinder are separately mounted to the support of bearing and air cylinder support.Compare In conventional casting techniques, so that crankcase and composition its each parts moulding process are simple, reduce difficulty of processing and Processing cost, while the pollution to environment and the consumption of the energy can be reduced.

In addition, can also have following additional technology according to the crankcase for reciprocating compressor of the present utility model Feature：

According to some embodiments of the present utility model, the installing plate is formed generally as rectangle, two support frames as described above point The two ends of the length direction of the installing plate are not located at.

According to some embodiments of the present utility model, support frame as described above is formed as flat board and is vertically located at the installing plate Lower end is supporting the installing plate.

According to some embodiments of the present utility model, the installing plate is provided with least two spacing salient points with to the gas Jar support carries out spacing.

According to some embodiments of the present utility model, the support of bearing is formed in one part, the installing plate with it is described The junction arc transition of bracing frame.

According to some embodiments of the present utility model, the air cylinder support is provided with positive stop lug boss in one end of axial direction, described Positive stop lug boss is located at the inner side of the air cylinder support with spacing to the cylinder.

Alternatively, the outer surface of the air cylinder support is inwardly concaved to form the positive stop lug boss, and the positive stop lug boss leads to Cross and be stamped and formed out on the metallic plate.

According to some embodiments of the present utility model, the air cylinder support by metallic plate punch forming, the metallic plate Lock part and auxiliary section are respectively arranged at two ends with, the lock part is connected to realize self-locking with the auxiliary section.

Optionally, the lock part is formed as the dovetail groove of the one end for being located at the metallic plate, and the auxiliary section is formed as The dovetail button of the other end of the metallic plate is located at, the dovetail is snap-fitted in the dovetail groove to realize the metallic plate Self-locking.

Optionally, the axial direction of the air cylinder support is respectively provided on two sides with fixed plate, and the fixed plate is reciprocating with described The support of bearing of compressor is connected.

Alternatively, the fixed plate is located at the bottom of the air cylinder support, and the fixed plate is by the metallic plate It is stamped and formed out.

Alternatively, the installing plate is provided with fixing hole, the fixed plate and the fixing hole stamping riveting.

Further, the diameter D1 of the fixing hole：3mm≤D1≤10mm, the fixed plate are located in the fixing hole Punching press after wall thickness Tn1 >=0.5mm, the fixed plate stamping riveting is formed with fixed part after the fixing hole, described solid Portion is determined positioned at the lower section of the fixing hole with the fixation fixed plate, the fixed part peripherally and outwardly prolongs along the fixing hole Stretch, the outer peripheral edge of the outer peripheral edge of the fixed part and the fixing hole apart from Tu1 >=0.3mm, the thickness X of the fixed part 1 >= 0.5mm。

Alternatively, the fixed plate is riveted using TOX with the installing plate.

Further, the diameter D2 of circular TOX rivetings point：Neck thickness Tn2 at 3mm≤D2≤10mm, and riveting >= 0.5mm, mutual drop lock Tu2 >=0.3mm, bottom thickness X2 >=0.4mm.

Included according to above-described embodiment for past according to the reciprocating compressor of this utility model second aspect embodiment The crankcase of twin compressor.

As there is above-mentioned technology effect according to the crankcase for reciprocating compressor of this utility model above-described embodiment Really, therefore, the reciprocating compressor of this utility model embodiment also has above-mentioned technique effect, i.e., implemented according to this utility model The reciprocating compressor of example, by arranging the above-mentioned crankcase for reciprocating compressor so that crankcase and composition its Each parts moulding process it is simple, be conducive to the assembling of compressor, it is possible to decrease the difficulty of processing of compressor and its parts and Processing cost, while the pollution to environment and the consumption of the energy can be reduced.

Additional aspect of the present utility model and advantage will be set forth in part in the description, partly will be from explained below In become obvious, or by it is of the present utility model practice recognize.

Description of the drawings

Fig. 1 is the explosive view of the crankcase for reciprocating compressor according to this utility model embodiment；

Fig. 2 is the structural representation of the support of bearing and bearing for reciprocating compressor according to this utility model embodiment Figure；

Fig. 3 is the structural representation of the air cylinder support for reciprocating compressor according to this utility model embodiment；

Fig. 4 is the sectional view of the crankcase for reciprocating compressor according to this utility model one embodiment；

Fig. 5 is the enlarged drawing in A portions in Fig. 4；

Fig. 6 is the sectional view of the crankcase for reciprocating compressor according to this utility model another embodiment；

Fig. 7 is the enlarged drawing in B portions in Fig. 6.

Reference：

100：For the crankcase of reciprocating compressor；

1：The support of bearing, 11：Installing plate, 111：Installing hole, 112：Spacing salient point, 113：Reinforcing plate, 114：Fixed part, 12：Bracing frame, 121：Flange；

2：Bearing；

3：Air cylinder support, 31：Through hole, 32：Lock part, 33：Auxiliary section, 34：Positive stop lug boss, 35：Escape groove, 36：It is fixed Plate；

4：Cylinder, 41：Stopper section.

Specific embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that new to this practicality The restriction of type.

In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width Degree ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " suitable The orientation or position relationship of the instruction such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " is based on orientation shown in the drawings Or position relationship, be for only for ease of description this utility model and simplify description, rather than indicate or imply indication device or Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model System.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two It is individual, three etc., unless otherwise expressly limited specifically.

In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be It is mechanically connected, or electrically connects or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clearly restriction.For this For the those of ordinary skill in field, concrete meaning of the above-mentioned term in this utility model can be understood as the case may be.

Below with reference to the accompanying drawings the crankcase 100 for reciprocating compressor according to this utility model embodiment, institute are described State for reciprocating compressor crankcase 100 be split type crankcase 100.

As shown in figure 1, axle can be included according to the crankcase 100 for reciprocating compressor of this utility model embodiment Hold support 1, bearing 2, air cylinder support 3 and cylinder 4.

Specifically, the support of bearing 1 includes installing plate 11 and two bracing frames 12, installing plate 11 and bracing frame 12 by metal Plate is made, and two bracing frames 12 are located at the lower section of installing plate 11 for support mounting plate 11, and installing plate 11 is provided with installing hole 111, bearing 2 is made up of metal tube and is located in installing hole 111, and air cylinder support 3 is located on the support of bearing 1, and air cylinder support 3 is substantially Be formed as column, air cylinder support 3 with along its axially through through hole 31, air cylinder support 3 is made up of metallic plate, the two of metallic plate End joins end to end and is formed as column, and cylinder 4 is located in through hole 31.

In other words, the support of bearing 1 can include installing plate 11 and bracing frame 12, and installing plate 11 is provided with and is suitable to install bearing 2 installing hole 111, installing hole 111 vertically run through installing plate 11, and bearing 2 is located in installing hole 111 and fixedly mounts hole In 111, bearing 2 can be installed by the support of bearing 1 and be fixed, by bracing frame 12 can with support mounting plate 11 and bearing 2, from And the technique of the crankcase 100 of compressor can be simplified, reduce difficulty of processing.Alternatively, bearing 2 can be welded on installing hole 111 It is interior, further, in the installing hole 111 that bearing 2 can be assemblied in by the way of laser welding.

As depicted in figs. 1 and 2, bracing frame 12 is two, and two bracing frames 12 are respectively perpendicular the lower section for being located at installing plate 11 With support mounting plate 11.The upper end of bracing frame 12 is connected with installing plate 11, and the lower end of bracing frame 12 is suitable to be connected with motor, so as to It is capable of achieving to support and position-limiting action, can also ensures the assembling of bracing frame 12 and motor.

Installing plate 11 and bracing frame 12 are made by metallic plate, and bearing 2 is made up of metal tube, and metallic plate and metal tube can be with For standard component, in 100 production process of crankcase of this utility model embodiment, according to for the need of bearing 2 and the support of bearing 1 Will, various sizes of metal tube and metallic plate can be selected.Conventional casting techniques are compared, the axle by made by metal tube and metallic plate Hold 2 and 1 manufacturing process of the support of bearing it is simple, highly versatile and casting mould need not be used, such that it is able to substantially reduce bearing The material cost of support 1 and bearing 2, difficulty of processing and processing cost, reduce the pollution and the consumption of the energy to environment.

Air cylinder support 3 can curl into column by metallic plate and make, and the two ends of metallic plate curling join end to end, and are formed Have air cylinder support 3 along column axially through through hole 31, cylinder 4 is arranged in through hole 31, thus, by air cylinder support 3 Cylinder 4 can be fixed.Metallic plate can be standard component, compared to traditional casting technique, 3 one-tenth of the air cylinder support by made by metallic plate Type process is simple, greatly reduces material cost, manufacturing process difficulty and process costs, and 3 simple structure of air cylinder support, general Property is strong.The difficulty of processing of crankcase 100 can be reduced simultaneously, be also convenient for the installation of crankcase 100.

Air cylinder support 3 is located on the support of bearing 1, and bearing 2 and cylinder 4 are separately mounted to the support of bearing 1 and air cylinder support 3, By the fixed installation of the support of bearing 1 and air cylinder support 3, so as to can limited bearing 2 and cylinder 4 installation site, be conducive to song The installation of axle box 100, and air cylinder support 3, the support of bearing 1 can be made using metallic plate, and bearing 2 and cylinder 4 can adopt metal Pipe is made.So as to the technique of crankcase 100 can be simplified, the difficulty of processing and complexity of crankcase 100 are reduced.

Compared to conventional casting techniques, according to the crankcase 100 for reciprocating compressor of this utility model embodiment, Air cylinder support 3, the support of bearing 1 can be made using metallic plate, and bearing 2 and cylinder 4 can be made using metal tube, 2 He of bearing Cylinder 4 is separately mounted to the support of bearing 1 and air cylinder support 3.So that crankcase 100 and constituting its each parts molding work Skill is simple, reduces difficulty of processing and processing cost, while the pollution to environment and the consumption of the energy can be reduced.

In some embodiments of the present utility model, installing plate 11 can be formed generally as rectangle, and two bracing frames 12 are distinguished It is located at the two ends of the length direction of installing plate 11.Such that it is able to the structure for further simplifying the support of bearing 1.Alternatively, such as Fig. 1 With shown in Fig. 2, the width of two bracing frames 12 can be identical with the width of installing plate 11 respectively, and is respectively provided at the length of installing plate 11 Degree direction two ends, such that it is able to further improve the support effect of bracing frame 12, it is ensured that the structural strength of the support of bearing 1 and Stability.

In some embodiments of the present utility model, bracing frame 12 can be formed as flat board and vertically be located at installing plate 11 Lower end is with support mounting plate 11.12 upper end of flat bracing frame is connected with installing plate 11 and lower end is supported on motor, is supported The slab construction of frame 12 so that the structure of bracing frame 12 is simpler, can substantially reduce the difficulty of processing and complexity of bracing frame 12 Property, while being also convenient for the connection of bracing frame 12 and motor.

In some embodiments of the present utility model, the lower end of bracing frame 12 can be provided with flange 121, flange 121 perpendicular to Bracing frame 12 is with support mounting plate 11.Specifically, the lower end of bracing frame 12 is only against on motor, is set on two bracing frames 12 respectively There is flange 121, flange 121 is formed as flat board and arranges perpendicular to bracing frame 12, flange 121 can only support motor, so as to can be right The support of bearing 1 carries out spacing, and can improve the lower end of bracing frame 12 and the contact area of motor, improve the steady of the support of bearing 1 It is qualitative, and then improve the stability of crankcase 100 for reciprocating compressor.

In some embodiments of the present utility model, at least two spacing salient points 112 can be provided with installing plate 11 with to gas Jar support 3 carries out spacing.Air cylinder support 3 is arranged on bracing frame 12, can be to the installation of air cylinder support 3 by spacing salient point 112 Position is defined, so as to the installation that can be conducive to air cylinder support 3 is fixed.In example as depicted in figs. 1 and 2, installing plate Two spacing salient points 112 can be provided with 11 upper surface, two spacing salient points 112 can be along the spaced apart width wise of installing plate 11 Arrange, air cylinder support 3 is may be mounted between two spacing salient points 112, so as to limit to the installation site of air cylinder support 3 It is fixed, it is ensured that the accuracy of the installation of air cylinder support 3.For the shape of spacing salient point 112, this utility model does not make special limit Fixed, for example, spacing salient point 112 can be spherical or column etc., or other shapes, as long as air cylinder support can be limited 3 installation site.

In some embodiments of the present utility model, the support of bearing 1 can be formed in one part, for example, 11 He of installing plate Two bracing frames 12 can be formed with integrated punching.The junction arc transition of installing plate 11 and bracing frame 12, so as to peace can be reduced The sharp structure of dress plate 11 and bracing frame 12, improves structural strength.Alternatively, the support of bearing 1 can be made up of steel plate, and bearing 2 can To be made up of steel pipe, steel plate and steel pipe belong to standard component, and precision is higher, compared with the crankcase 100 of conventional cast, can save Roughing operation.

In some embodiments of the present utility model, air cylinder support 3 is provided with positive stop lug boss 34, limit convex in one end of axial direction Platform 34 is located at the inner side of air cylinder support 3 with spacing to cylinder 4.Specifically, positive stop lug boss 34 is located in through hole 31, and cylinder 4 is installed In through hole 31, positive stop lug boss 34 can be against on one end of cylinder 4, so as to prevent cylinder 4 from moved in air cylinder support 3 vertically It is dynamic, improve the stability of air cylinder support 3 and cylinder 4.In example as shown in figures 1 and 3, can be provided with cylinder 4 with it is spacing The stopper section 41 that boss 34 coordinates, positive stop lug boss 34 coordinate to limit cylinder 4 along the axial direction of through hole 31 with the stopper section 41 of cylinder 4 It is mobile.

Alternatively, the outer surface of air cylinder support 3 is inwardly concaved to form positive stop lug boss 34, and positive stop lug boss 34 passes through punching press shape Into on a metal plate.That is, positive stop lug boss 34 can be stamped and formed out from metallic plate to the inner side of cylinder 4.So as to gas can be ensured The structural strength of jar support 3, simplifies the manufacturing process of air cylinder support 3.

In example as shown in Figure 3, positive stop lug boss 34 is along the axially extending of air cylinder support 3 and towards the inner side of cylinder 4 Protrusion, the surface of positive stop lug boss 34 are formed as curved surface, thus, when positive stop lug boss 34 only supports the surface of cylinder 4 so that positive stop lug boss Stress between 34 and cylinder 4 is more concentrated, so as to ensure the limit effect of positive stop lug boss 34 and cylinder 4.

Further, escape groove 35 in the axial direction adjacent to positive stop lug boss 34, positive stop lug boss 34 can be provided with air cylinder support 3 Along the axially extending of air cylinder support 3 and extend to escape groove 35.Specifically, positive stop lug boss 34 and 3 integrated punching of air cylinder support into Type, and along the axially extending of air cylinder support 3, positive stop lug boss 34 by air cylinder support 3 one end end towards the another of air cylinder support 3 One end extends, and for example, as shown in figures 1 and 3, positive stop lug boss 34 is axially extended by the end of the left end of air cylinder support 3 to the right, The right-hand member of positive stop lug boss 34 may extend to escape groove 35.So as to be conducive to being stamped and formed out for positive stop lug boss 34, positive stop lug boss is prevented Change 3 overall columnar shape of air cylinder support when 34 molding, it is ensured that the two ends of positive stop lug boss 34 are with cylinder 4 only to effect.

In some embodiments of the present utility model, as depicted in figs. 1 and 2, reinforcing plate can be provided with installing plate 11 113, reinforcing plate 113 is located at the both sides of installing plate 11 and can extend along the length direction of installing plate 11, so as to strengthen installing plate 11 structural strength, and then strengthen the structural strength of the support of bearing 1.

In some embodiments of the present utility model, air cylinder support 3 is distinguished by metallic plate punch forming, the two ends of metallic plate Lock part 32 and auxiliary section 33 are provided with, lock part 32 is connected to realize self-locking with auxiliary section 33.So as to prevent air cylinder support 3 from becoming Shape, ensures the structural strength and stability of air cylinder support 3.Specifically, the two ends of metallic plate can be stamped and formed out lock part 32 respectively With auxiliary section 33, air cylinder support 3 is formed as column, and lock part 32 and auxiliary section 33 are connected to realize the two ends of metallic plate Self-locking, so as to the manufacturing process of air cylinder support 3 can be simplified so that 3 simple structure of air cylinder support and easy to process, while can ensure The structural stability of air cylinder support 3.

Alternatively, lock part 32 is formed as the dovetail groove of the one end for being located at metallic plate, and auxiliary section 33 is formed as being located at gold The dovetail button of the other end of category plate, dovetail are snap-fitted in dovetail groove to realize the self-locking of metallic plate.

In example as shown in Figure 3, dovetail groove is formed as being open from outside to inside the shape for gradually increasing, and needs explanation , inside and outside finger dovetail groove here is located at the direction of the opening at the edge of metallic plate to the inner of dovetail groove.Dovetail button Be shaped to and dovetail groove coordinate, when such dovetail groove coordinates in dovetail button, due to the size of the opening of dovetail groove it is less, Dovetail button cannot be detached from the opening of dovetail groove, so as to be capable of achieving the self-locking of dovetail groove and dovetail button, prevent metallic plate Launch at two ends.

In some examples of the present utility model, the both sides of the axial direction of air cylinder support 3 can be respectively equipped with fixed plate 36, fixed Plate 36 is connected with the support of bearing 1 of reciprocating compressor.So as to be conducive to air cylinder support 3 and the installation of frame to fix.In such as Fig. 1 In the example shown in Fig. 3, fixed plate 36 can be two, and two fixed plates 36 are each provided at the bottom of air cylinder support 3 and symmetrical The fixed plate 36 of both sides two for being arranged on the axial direction of air cylinder support 3 is fixedly connected with frame respectively, so as to improve air cylinder support 3 With the fixing intensity of frame, it is ensured that the stability of air cylinder support 3 and frame.

Alternatively, fixed plate 36 may be provided in the bottom of air cylinder support 3, and fixed plate 36 is by being stamped and formed out on a metal plate. One end of fixed plate 36 can be connected with air cylinder support 3 and the other end of fixed plate 36 is formed as flat board.As shown in figure 3, fixed plate 36 can be the fins that metallic plate symmetric punching is formed, and thus, can not only ensure that the structure of fixed plate 36 and air cylinder support 3 is strong Degree, and the processing technique of air cylinder support 3 can be simplified, reduce the rapidoprint and processing cost of air cylinder support 3.

Alternatively, fixing hole (not shown), fixed plate 36 and fixing hole stamping riveting can be provided with installing plate 11.So as to Facilitate being connected for the support of bearing 1 and air cylinder support 3, and can ensure the support of bearing 1 and air cylinder support 3 structural strength and Stability.

In some examples of the present utility model, as shown in Figure 4 and Figure 5, the diameter D1 of fixing hole meets：3mm≤D1≤ 10mm, fixed plate 36 are located at the wall thickness Tn1 >=0.5mm after the punching press in fixing hole, and 36 stamping riveting of fixed plate is after fixing hole Fixed part 114 is formed with, fixed part 114 is located at the lower section of fixing hole to fix fixed plate 36, week of the fixed part 114 along fixing hole To stretching out, the outer peripheral edge of fixed part 114 is with fixing hole outer peripheral edge apart from Tu1 >=0.3mm, the thickness X 1 of fixed part 114 ≥0.5mm。

Specifically, when riveting coordinates, press drift of the diameter less than fixed bore dia is arranged on into the side of fixed plate 36, The side of the support of bearing 1 is arranged on diameter greater than the riveted joint of fixed bore dia, when pressure drift applies stressed to fixed plate 36 When, locally there is plastic deformation in fixed plate 36, and extend along pressure drift force direction, when the distance for extending is more than fixing hole Depth when, riveted joint to protrude fixed plate 36 part apply pressure, make projection radially extend to form fixed part 114, so that air cylinder support 3 forms interlocking structure with the support of bearing 1 and is fixed together.

In other examples of the present utility model, fixed plate 36 can be riveted using TOX with installing plate 11.Alternatively, such as Shown in Fig. 6 and Fig. 7, the diameter D2 of circular TOX rivetings point meets：Neck thickness Tn2 at 3mm≤D2≤10mm, and riveting >= 0.5mm, mutual drop lock Tu2 >=0.3mm, bottom thickness X2 >=0.4mm.

Specifically, when riveting coordinates, fixed plate 36 and the support of bearing 1 are placed between pressure drift and correspondence die, Pressure drift is located at 11 side of installing plate, and correspondence die is arranged on 36 side of fixed plate, when pressing drift to apply pressure, fixed plate 36 There is local plastic deformation simultaneously with the support of bearing 1, and extend along pressure drift force direction, in corresponding die, with The circular TOX rivetings point for forming interlocking is snuggly mated to together air cylinder support 3 and the support of bearing 1.

In example as shown in Figure 6 and Figure 7, pressure drift can to installing plate 11 apply pressure when, fixed plate 36 and bearing Support 1 extends along pressure drift force direction, enters in corresponding die.As shown in fig. 7, the diameter D2 of circle TOX riveting points Meet：Neck thickness Tn2 >=0.5mm at 3mm≤D2≤10mm, and riveting, mutual drop lock Tu2 >=0.5mm, bottom thickness X2 >= 0.4mm.Due to pressing the extruding between drift and die, the radial direction of the riveting point upper end that installing plate 11 is formed is stamped and formed out convex Edge, the inwall of the riveting point that fixed plate 36 is formed are stamped and formed out corresponding groove, and flange forms interlocking with groove fit, and flange exceeds The size of the riveting point external diameter that installing plate 11 is formed is mutual drop lock Tu2.Circular TOX rivetings point can be good at 1 He of the support of bearing Air cylinder support 3 is connected, and can ensure the structural strength and stability of the support of bearing 1 and air cylinder support 3.

It is understood that the assembling mode of air cylinder support 3 and the support of bearing 1 is except selecting above two stamping riveting side Formula, it is also possible to select welding, screwing or other riveting methods.

In addition this utility model also proposed a kind of crankcase 100 for reciprocating compressor with above-described embodiment Reciprocating compressor.

As there is above-mentioned technology according to the crankcase 100 for reciprocating compressor of this utility model above-described embodiment Effect, therefore, the reciprocating compressor of this utility model embodiment also has above-mentioned technique effect, i.e., according to this utility model reality The reciprocating compressor of example is applied, by arranging the above-mentioned crankcase 100 for reciprocating compressor, so that crankcase 100 And constitute its each parts moulding process simply, difficulty of processing and processing cost are reduced, while can reduce to environment Pollution and the consumption of the energy.

Other according to the reciprocating compressor of this utility model embodiment are constituted and are operated for the common skill in this area All it is known for art personnel, is not detailed herein.

In this utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score Can be the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, first is special Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term State.And, the specific features of description, structure, material or feature can be with Combined in any one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, this area Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered Row is combined and is combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, be changed, being replaced and modification.

Claims (16)

1. a kind of crankcase for reciprocating compressor, it is characterised in that include：

The support of bearing, the support of bearing include installing plate and two bracing frames, the installing plate and support frame as described above by gold Category plate is made, and two support frames as described above are located at the lower section of the installing plate for supporting the installing plate, on the installing plate It is provided with installing hole；

Bearing, the bearing are made and are located in the installing hole by the metal tube；

Air cylinder support, the air cylinder support are located on the support of bearing, and the air cylinder support is formed generally as column, the gas Jar support with along its axially through through hole, the air cylinder support is made up of metallic plate, the two ends head and the tail phase of the metallic plate Company is formed as column；

Cylinder, the cylinder are located in the through hole.

2. the crankcase for reciprocating compressor according to claim 1, it is characterised in that the big bodily form of the installing plate Become rectangle, two support frames as described above are respectively provided at the two ends of the length direction of the installing plate.

3. the crankcase for reciprocating compressor according to claim 1, it is characterised in that support frame as described above is formed as Flat board and the lower end of the installing plate is vertically located to support the installing plate.

4. the crankcase for reciprocating compressor according to claim 1, it is characterised in that the installing plate is provided with At least two spacing salient points are spacing to carry out to the air cylinder support.

5. the crankcase for reciprocating compressor according to claim 1, it is characterised in that the support of bearing is The junction arc transition of body formed part, the installing plate and support frame as described above.

6. the crankcase for reciprocating compressor according to claim 1, it is characterised in that the air cylinder support is in axle To one end be provided with positive stop lug boss, the positive stop lug boss is located at the inner side of the air cylinder support with spacing to the cylinder.

7. the crankcase for reciprocating compressor according to claim 6, it is characterised in that the air cylinder support it is outer Surface is inwardly concaved to form the positive stop lug boss, and the positive stop lug boss is by being stamped and formed out on the metallic plate.

8. the crankcase for reciprocating compressor according to claim 1, it is characterised in that the air cylinder support is by gold Category plate punch forming, the metallic plate are respectively arranged at two ends with lock part and auxiliary section, the lock part and the auxiliary section phase Connect to realize self-locking.

9. the crankcase for reciprocating compressor according to claim 8, it is characterised in that the lock part is formed as The dovetail groove of one end of the metallic plate is located at, the auxiliary section is formed as the dovetail button of the other end for being located at the metallic plate, The dovetail is snap-fitted in the dovetail groove to realize the self-locking of the metallic plate.

10. the crankcase for reciprocating compressor according to claim 6, it is characterised in that the air cylinder support Axial is respectively provided on two sides with fixed plate, and the fixed plate is connected with the support of bearing of the reciprocating compressor.

11. crankcases for reciprocating compressor according to claim 10, it is characterised in that the fixed plate is located at The bottom of the air cylinder support, the fixed plate is by being stamped and formed out on the metallic plate.

12. crankcases for reciprocating compressor according to claim 11, it is characterised in that set on the installing plate There are fixing hole, the fixed plate and the fixing hole stamping riveting.

13. crankcases for reciprocating compressor according to claim 12, it is characterised in that the fixing hole it is straight Footpath D1：3mm≤D1≤10mm, the fixed plate are located at the wall thickness Tn1 >=0.5mm after the punching press in the fixing hole, described solid Fixed board stamping riveting is formed with fixed part after the fixing hole, and the fixed position is in the lower section of the fixing hole to fix State fixed plate, peripherally and outwardly extension of the fixed part along the fixing hole, the outer peripheral edge of the fixed part and the fixing hole Outer peripheral edge apart from Tu1 >=0.3mm, the 1 >=0.5mm of thickness X of the fixed part.

14. crankcases for reciprocating compressor according to claim 11, it is characterised in that the fixed plate and institute State installing plate to rivet using TOX.

15. crankcases for reciprocating compressor according to claim 14, it is characterised in that circular TOX rivetings point Diameter D2：Neck thickness Tn2 >=0.5mm at 3mm≤D2≤10mm, and riveting, mutual drop lock Tu2 >=0.3mm, bottom thickness X2 ≥0.4mm。

A kind of 16. reciprocating compressors, the reciprocating compressor include any one of claim 1-15 for past The crankcase of twin compressor.