Cylinder body of rotor type compressor pump body and manufacturing method

Abstract

The invention provides a cylinder body of a rotor type compressor pump body and a manufacturing method, and relates to the technical field of compressors, the inner circumferential wall of the cylinder body is provided with an air suction part used for air suction and a sliding sheet seat used for containing a sliding sheet, and the cylinder body is formed by compounding an insert and a light material; a slip sheet seat is formed in the insert, the requirement for wear resistance of the slip sheet in the slip sheet seat is met, an air suction part is formed in the insert, and the requirements for coaxiality and connection strength of the air suction part and the air suction pipeline are met; materials, except the inserts, of the cylinder body are replaced by light materials, so that the light-weight design of the cylinder body can be realized under the condition that the wear resistance and the coaxiality are met; compared with the prior art, a sliding sheet seat and an air suction part in a cylinder body can only be machined one by one, and more than ten or even dozens of inserts such as a sliding sheet seat insert or an integrated insert or an air suction seat insert can be machined at a time, so that large-scale production and machining can be performed, the production efficiency can be improved, and the consistency of product quality can be ensured.

Description

Technical Field

[0001] The invention relates to a rotor compressor pump body, in particular to a cylinder body of a rotor compressor pump body and a manufacturing method thereof. Background Art

[0002] Rotary refrigeration compressors are widely used in air conditioners for household and similar purposes due to their high refrigeration efficiency, compact structure and small size.

[0003] The compressor pump body is an important component of the rotor refrigeration compressor, mainly composed of the cylinder body, piston, vane, crankshaft, upper bearing cover and lower bearing cover; At present, the cylinder of the compressor pump body is a cast iron part or a metallurgical part, and the existing cylinder has the disadvantages of being heavy and having a large rotational inertia.

[0004] If cast iron parts or metallurgical parts are replaced with low-density materials, the weight and rotational inertia of the cylinder will be greatly reduced; however, low-density materials often cannot meet the strength requirements, or the wear resistance cannot meet the use requirements of the compressor.

[0005] In summary, achieving lightweight design of the cylinder body while meeting the wear resistance of the cylinder body has become an urgent problem that researchers in this field need to solve. Summary of the invention

[0006] The technical problem to be solved by the present invention is: to realize lightweight design of the cylinder body while satisfying the wear resistance of the cylinder body; In order to solve the above technical problems, the technical solution adopted by the present invention is: A cylinder body of a rotor compressor pump body, wherein the inner peripheral wall of the cylinder body is provided with an air intake portion for air intake and a vane seat for accommodating a vane, and the cylinder body is formed by a composite of an inlay and a light material.

[0007] Furthermore, the cylinder body is integrally formed by injection or die-casting the insert and the lightweight material.

[0008] Furthermore, the inlay is made of cast iron, cast steel or other metallurgical profiles.

[0009] Furthermore, the lightweight material is aluminum alloy, magnesium alloy, titanium alloy or engineering plastic.

[0010] Furthermore, the inlay is a vane seat inlay and / or an air suction seat inlay, and the cylinder body matrix is ​​made of lightweight material.

[0011] Furthermore, the vane seat insert has the vane seat that moves relative to the end of the vane; the suction seat insert has the through suction part, and the suction part is connected to the compression chamber in the cylinder body.

[0012] Furthermore, the suction seat inlay has an inclined surface, and the suction seat inlay surface is fitted with the outer wall of one side of the vane seat inlay. The axis of the suction seat inlay intersects with the center line of the vane seat inlay at a point, which is the center of the cross section of the cylinder compression chamber.

[0013] Furthermore, the cylinder body is integrally formed by injection or die-casting the air suction seat insert, the vane seat insert and the lightweight material.

[0014] Furthermore, a first intersecting groove is provided on the outer surface of the slide seat inlay.

[0015] Furthermore, a circumferential annular groove is provided on the outer peripheral wall of the suction seat insert, and a circumferential protrusion is provided in the circumferential annular groove.

[0016] Furthermore, the inlay is an integrated inlay; the integrated inlay comprises the slide seat for accommodating the slide and the air suction portion for air suction.

[0017] Furthermore, the outer surface of the integrated inlay is provided with second intersecting grooves.

[0018] Furthermore, the center line of the slide seat is arranged parallel to a first side surface on the outer side of the integrated inlay; and the second side surface is opposite to the first side surface and located on the other outer side of the integrated inlay.

[0019] Furthermore, the air suction portion is axially arranged parallel to the second side surface of the integrated inlay.

[0020] Furthermore, the first side surface and the second side surface of the integrated inlay are arranged in parallel, and a connecting hole is provided at a corner formed by the second side surface and the inner circumferential surface of the integrated inlay.

[0021] Furthermore, the first side surface and the second side surface of the integrated inlay are arranged in parallel, and an escape portion is arranged at a corner between the second side surface and the inner peripheral surface of the integrated inlay.

[0022] The present application discloses a method for manufacturing a cylinder body of a rotary compressor pump body, comprising the following steps: (1) making an injection or die-casting mold for the cylinder body; (2) making an inlay; (3) placing and fixing the inlay in the mold; and (4) injecting or pressing a lightweight material as a base material into the mold, cooling and forming it, and then taking it out to obtain a cylinder body containing the inlay.

[0023] The beneficial effects of the present invention are as follows: the present invention is a cylinder body of a rotor-type compressor pump body, in which a vane seat is formed in an inlay to meet the wear-resistant requirement of the vane moving in the vane seat, and an air intake portion is formed in the inlay to meet the requirements of coaxiality and connection strength between the air intake portion and the air intake pipe; that is, the materials of the cylinder body except the inlay are replaced with lightweight materials, so that the lightweight design of the cylinder body can be achieved while meeting the requirements of wear resistance and coaxiality; for the vane seat and the air intake portion in the cylinder body, the prior art can only process them one by one, while for inlays, such as vane seat inlays or integrated inlays or air intake seat inlays, more than ten or even dozens of pieces can be processed at a time, and large-scale production and processing can be carried out, which can not only improve production efficiency but also ensure the consistency of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Figure 1 It is a structural schematic diagram of a rotor compressor pump body in the prior art; Figure 2 is a horizontal cross-sectional view of a cylinder body of Embodiment 1 of the present invention; Figure 3 , Figure 4 , Figure 5 They are respectively a right side view, a cross-sectional view and a left side view of the slide seat inlay of Example 1 of the present invention; Figure 6 is a vertical cross-sectional view of the suction seat inlay of Example 1 of the present invention; Figure 7 1 is a schematic diagram of the structure of the cooperation between the slide seat insert and the piston in Example 1 of the present invention; Figure 8 is a horizontal cross-sectional view of a cylinder body of Embodiment 2 of the present invention; Fig. 9 , Fig.10 , Fig.11 , Fig.12 They are respectively a right view, a front view, a top view, and a left view of the slide seat inlay of Example 2 of the present invention; Fig.13 2 is a schematic diagram of the structure of the cooperation between the slide seat insert and the piston in Example 2 of the present invention; Fig.14 is a horizontal cross-sectional view of a cylinder body of Embodiment 3 of the present invention; Fig.15 , Fig.16 , Fig.17 , Fig.18 They are respectively a left view, a horizontal cross-sectional view, a vertical cross-sectional view, and a right view of an integrated inlay component of Example 3 of the present invention; Fig.19 It is a schematic diagram of partial coordination between the integrated inlay, the slide plate and the piston in Embodiment 3 of the present invention; Fig. 20 is a horizontal cross-sectional view of an integrated inlay component in Embodiment 4 of the present invention; Fig.21 , Fig. 22 , Fig.23 They are respectively a left view, a front view, and a right view of an integrated inlay component of Embodiment 4 of the present invention; Fig.24 It is a schematic diagram of partial coordination between the integrated inlay, the slide plate and the piston in Embodiment 4 of the present invention; Fig.25 is a horizontal cross-sectional view of a cylinder body of Embodiment 5 of the present invention; Fig.26 , Fig. 27 , Fig.28 They are respectively a left view, a front view, and a right view of an integrated inlay component of Embodiment 5 of the present invention; Fig.29 is a horizontal cross-sectional view of a cylinder body of Embodiment 6 of the present invention; Fig.30 is a horizontal cross-sectional view of an integrated inlay component according to Embodiment 6 of the present invention; Fig.31 is a horizontal cross-sectional view of a cylinder body of Embodiment 7 of the present invention; Fig.32 is a horizontal cross-sectional view of a cylinder body of Embodiment 8 of the present invention; Fig.33 is a horizontal cross-sectional view of a cylinder body of Embodiment 9 of the present invention; Fig.34 is a horizontal cross-sectional view of an integrated inlay component according to Embodiment 9 of the present invention; Fig.35 is a horizontal cross-sectional view of a cylinder body according to embodiment 10 of the present invention; Fig.36 It is a horizontal cross-sectional view of the integrated inlay component according to embodiment 10 of the present invention. DETAILED DESCRIPTION

[0026] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0027] The rotor compressor pump body of the prior art is as follows Figure 1As shown, the compressor pump body includes a cylinder body 11, a crankshaft 2 having a long axis 21, an eccentric portion 22 and a short axis 23, an upper bearing cap 4 arranged at the top of the cylinder body 11, and a lower bearing cap 5 arranged at the bottom of the cylinder body 11. The eccentric portion 22 of the crankshaft 2 is located in the cylinder body 11, and a piston 3 is arranged outside the eccentric portion 22; the upper bearing cap 4 is composed of an upper sleeve 41 and an upper flange plate 42, which are generally machined after casting a blank of cast iron or cast steel material, or machined from a suitable metal profile, and an exhaust hole (not shown) is opened on the upper flange plate 42, and the exhaust hole is connected to an external exhaust pipe; the lower bearing cap 5 is composed of a lower sleeve 51 and a lower flange plate 52, which are generally machined after casting a blank of cast iron or cast steel material, or machined from a suitable metal profile. The long axis 21 of the crankshaft 2 is located in the upper shaft hole portion of the upper sleeve 41, and the short axis 23 of the crankshaft 2 is located in the lower shaft hole portion of the lower sleeve 51; the inner circumferential wall of the cylinder body 11 is provided with an intake portion (not shown) for intake, and the intake portion is connected to the intake pipe; and a vane seat is provided, in which a vane 8 is arranged, and the end of the vane 8 is sealed with the piston 3.

[0028] The present invention will be described in detail below with reference to the accompanying drawings. Example 1

[0029] Figure 2 It is a horizontal cross-sectional view of a cylinder body of Example 1 of the present invention. The cylinder body of the present invention comprises an annular structure cylinder body base 1-11, an air suction seat insert 2-6 and a slide seat insert 2-7; Figure 3 , Figure 4 , Figure 5 They are respectively a right view, a sectional view and a left view of the slide seat inlay 2-7 of the embodiment 1 of the present invention; the slide seat inlay 2-7 includes a slide seat 7 for accommodating the slide 8, the slide seat 7 has an opening that runs through the top and bottom (perpendicular to the paper surface), and a first groove 71 that crosses horizontally and vertically is provided on the outer surface of the slide seat inlay 2-7. The first groove 71 is used to increase the bonding force between the slide seat inlay 2-7 and the cylinder body base 1-11 material, and ensure the firm bonding between the slide seat inlay 2-7 and the cylinder body base 1-11; from the direction perpendicular to the paper surface, Figure 4 The left side surface is an inclined surface, which forms a certain angle with the longitudinal center line of the slide seat inlay 2-7.

[0030] Figure 6It is a vertical cross-sectional view of the suction seat inlay of Example 1 of the present invention; the suction seat inlay 2-6 is roughly a hollow cylindrical component, the hollow part constitutes the suction part 6 of the cylinder body, and a circumferential annular groove 62 and a circumferential protrusion 63 are provided on the outer periphery of the cylindrical component, and their functions are the same as those of the slide seat inlay 2-7, which are used to increase the bonding force between the suction seat inlay 2-6 and the cylinder body base 1-11, and ensure the firm bonding of the suction seat inlay 2-6 and the cylinder body base 1-11 material; from the direction perpendicular to the paper surface, Figure 6 The right side surface of the suction seat insert 2-6 shown is an inclined surface, which forms a certain angle with the longitudinal center line of the suction seat insert 2-6.

[0031] like Figure 2 As shown, after the suction seat inlay 2-6 and the vane seat inlay 2-7 are placed in the mold or the cylinder body base 1-11 containing the above-mentioned inlays is injection or die-cast, the inclined surface on the right side of the suction seat inlay 2-6 contacts and cooperates with the inclined surface on the left side of the vane seat inlay 2-7, and the longitudinal center line of the suction seat inlay 2-6 and the longitudinal center line of the vane seat inlay 2-7 intersect at the center of the cylinder body base 1-11.

[0032] During injection or die casting, the circumferential annular groove 62 of the suction seat insert 2-6 and the first groove 71 of the vane seat insert 2-7 are filled with the lightweight material forming the cylinder body 11, and the triangular area adjacent to the suction seat insert 2-6 and the vane seat insert 2-7 will also be filled with the lightweight material forming the cylinder body 11, thereby ensuring that the above-mentioned inserts are firmly combined with the cylinder body base 1-11, which can prevent the suction seat insert 2-6 from axial relative displacement in the cylinder body base 1-11, and can also prevent the suction seat insert 2-6 from circumferential relative displacement in the cylinder body base 1-11.

[0033] Figure 7 Schematic diagram of the structure of the slide seat insert and the piston in Example 1 of the present invention; Figure 7 As shown, one end of the slide 8 is located in the opening of the slide seat insert 2 - 7 , and the other end of the slide 8 is hingedly connected to the piston 3 . Example 2

[0034] Figure 8 is a horizontal cross-sectional view of the cylinder body of embodiment 2 of the present invention; in this embodiment, the suction seat insert 2-6 has the same structure as Figure 2 The difference between the cylinder bodies of the embodiment 1 shown in the figure is that the structures of the vane seat inserts 2-7 of the two are different. In the vane seat inserts 2-7 of the embodiment 1, the end of the vane seat away from the center is closed, while in the vane seat inserts 2-7 of the embodiment 2, the end of the vane seat away from the center is provided with a first countersunk groove 73 for installing a spring. The specific structure is as follows: Fig. 9 , Fig.10 , Fig.11, Fig.12 shown.

[0035] Fig. 9 , Fig.10 , Fig.11 , Fig.12 They are respectively a right view, a front view, a top view, and a left view of the slide seat inlay of Embodiment 2 of the present invention; the slide seat inlay 2-7 includes a slide seat 7 for accommodating a slide 8, the slide seat 7 has an opening extending vertically (perpendicular to the paper surface), and the slide seat inlay 2-7 has a radial (parallel to the paper surface) first countersunk groove 73, such as Fig.11 As shown, the first countersunk groove 73 is arranged perpendicularly to the opening, and a first groove 71 is arranged on the outer surface of the slide seat insert 2-7, which is arranged horizontally and vertically. The first groove 71 is used to increase the bonding force between the slide seat insert 2-7 and the cylinder body base 1-11 material, and ensure the firm bonding between the slide seat insert 2-7 and the cylinder body base 1-11; from the direction perpendicular to the paper surface, Fig.10 The left side surface is an inclined surface, which forms a certain angle with the longitudinal center line of the slide seat inlay 2-7.

[0036] Fig.13 It is a schematic diagram of the structure of the cooperation between the slide seat insert and the piston in Example 2 of the present invention. Fig.13 A first counterbore groove 73 is radially opened at one end of the middle slide seat insert 2-7 away from the piston 3, and an elastic member 72 such as a spring is arranged in the first counterbore groove 73. A plug (not shown) for sealing the elastic member 72 is also provided at the outer end of the first counterbore groove 73. One end of the slide 8 is located in the opening of the slide seat insert 2-7, and the end abuts against the elastic member 72. The other end of the slide 8 abuts against the piston 3 to form a sealing fit.

[0037] The present invention also relates to a method for manufacturing a cylinder of a rotor compressor pump body. In a preferred embodiment, Figure 1-13 As shown, first, make Figure 1 , 2 Or the injection or die-casting mold of the cylinder body 11 shown in 8; Secondly, make Figure 6 , 4 Or the vane seat inlay 2-7 and the suction seat inlay 2-6 shown in 10; third, the vane seat inlay 2-7 and / or the suction seat inlay 2-6 are placed and fixed in the above-mentioned mold; fourth, a lightweight material such as aluminum alloy, magnesium alloy, titanium alloy or engineering plastic is injected or pressed into the mold as a matrix material, and taken out after cooling and forming, so as to obtain a cylinder body 11 containing the above-mentioned inlays.

[0038] A vane seat 7 is formed in the vane seat insert 2-7 to meet the wear-resistant requirements of the vane 8 when moving in the vane seat 7, and an intake portion 6 is formed in the intake seat insert 2-6 to meet the requirements of coaxiality and connection strength between the intake portion 6 and the intake pipe; in summary, replacing the materials of the cylinder body 11 except the insert with lightweight materials can achieve a lightweight design of the cylinder body 11 while meeting the requirements of wear resistance, coaxiality and connection strength. Example 3

[0039] Please refer to the attached Fig.14 , Fig.15 , Fig.16 , Fig.17 , Fig.18 , Fig.19 , Example 3 of the present invention is described in detail. Fig.14 2 is a horizontal cross-sectional view of a cylinder body of Embodiment 3 of the present invention; the cylinder body of the present invention comprises a cylinder body base 1-11 and an integral insert 2-9, and the outer contour of the cylinder body base 1-11 is a ring structure; Fig.15 , Fig.16 , Fig.17 , Fig.18 They are the left view, front view, vertical sectional view and right view of the integrated inlay 2-9 respectively; the integrated inlay 2-9 is provided with a slide seat 7 for accommodating the slide 8 and an air suction portion 6, and the slide seat 7 has an opening that passes through from top to bottom (perpendicular to the paper surface), such as Fig.16 As shown, on the outer surface of the integrated inlay 2-9 (i.e., the first side surface 95 on the right side and the second side surface 96 on the left side), a second groove 91 is provided which crosses horizontally and vertically. The second groove 91 is used to increase the bonding force between the integrated inlay 2-9 and the cylinder base 1-11 material, and ensure the firm bonding between the integrated inlay 2-9 and the cylinder base 1-11. From the direction perpendicular to the paper surface, Fig.16 The second side surface 96 on the left side and the first side surface 95 on the right side are both vertical surfaces. The second side surface 96 is inclined to the axis of the air intake portion 6, and the first side surface 95 is parallel to the center line of the vane seat 7; at the lower left side of the second side edge 96, that is, at the corner of the inner circumference of the integrated inlay 2-9 and the cylinder base 1-11, a rounded avoidance portion 93 is provided, and the purpose of the avoidance portion 93 is to allow the connecting piece to pass through, and the connecting piece connects the upper bearing cover 4, the cylinder body 11, and the lower bearing cover 5; the outer circumference of the vane seat 7 located on the integrated inlay 2-9 away from the center of the cylinder body is not closed, and is provided with a second countersunk groove 92, and the axis of the second countersunk groove 92 is colinear with the center line of the vane seat 7.

[0040] like Fig.14 As shown, after the integrated insert 2-9 is placed in the mold or the cylinder body base 1-11 containing the above-mentioned insert is injection or die-cast, the axis of the second countersunk groove 92 of the slide seat 7 and the axis of the suction part 6 intersect on the axis of the cylinder body.

[0041] During injection or die casting, the second groove 91 of the integral insert 2 - 9 is filled with the lightweight material forming the cylinder body 11 , thereby ensuring that the integral insert is firmly combined with the cylinder body base 1 - 11 .

[0042] Fig.19 It is a structural schematic diagram of the cooperation between the integrated insert and the piston 3 and the slide 8 of Example 3 of the present invention; one end of the slide 8 is located in the opening of the integrated insert 2-9, and an elastic member 97 such as a spring is provided in the second countersunk groove 92, one end of the slide 8 is against the elastic member 97, and the other end of the slide 8 is against the piston 3. Example 4

[0043] Please refer to the attached Fig. 20 , Fig.21 , Fig. 22 , Fig.23 , Fig.24 , Example 4 of the present invention is described in detail. Fig. 20 2 is a horizontal cross-sectional view of a cylinder body of Embodiment 4 of the present invention; the cylinder body of the present invention comprises a cylinder body base 1-11 and an integral insert 2-9, and the outer contour of the cylinder body base 1-11 is a ring structure; Fig.21 , Fig. 22 , Fig.23 They are respectively a left view, a front view (horizontal sectional view), and a right view of the integrated inlay 2-9; the integrated inlay 2-9 is provided with a slide seat 7 and an air suction portion 6 for accommodating a slide 8, the slide seat 7 has an opening that runs through from top to bottom (perpendicular to the paper surface), and a second groove 91 that crosses horizontally and vertically is provided on the outer surface of the integrated inlay 2-9 (i.e., the first side surface 95 on the right side and the second side surface 96 on the left side), and the second groove 91 is used to increase the bonding force between the integrated inlay 2-9 and the cylinder body base 1-11 material, so as to ensure the firm bonding between the integrated inlay 2-9 and the cylinder body base 1-11; viewed from the direction perpendicular to the paper surface, Fig. 22 The second side surface 96 on the left side and the first side surface 95 on the right side are both vertical surfaces. The second side surface 96 is inclined to the axis of the air suction portion 6, and the first side surface 95 is parallel to the center line of the slide seat 7. In some embodiments, a rounded corner is provided at the corner of the second side edge 96 and the inner peripheral surface of the cylinder base 1-11. The purpose of the avoidance portion 93 is to allow a connecting piece to pass through. The connecting piece connects the upper bearing cover 4, the cylinder 11, and the lower bearing cover 5; Fig. 22 As shown, the outer circumference of the integrated insert 2-9 slide seat 7 away from the center of the cylinder body is closed.

[0044] like Fig. 20 As shown, after the integrated insert 2-9 is placed in the mold or the cylinder body base 1-11 containing the integrated insert is injection or die-cast, the axis of the slide seat 7 and the axis of the suction part 6 intersect on the axis of the cylinder body.

[0045] During injection or die casting, the second groove 91 of the integral insert 2 - 9 is filled with the lightweight material forming the cylinder body 11 , thereby ensuring that the integral insert is firmly combined with the cylinder body base 1 - 11 .

[0046] Fig.24 It is a structural schematic diagram of the cooperation between the integrated inlay 2-9 and the piston 3 and the slide 8 of Example 4 of the present invention; one end of the slide 8 is located in the opening of the slide seat 7 of the integrated inlay 2-9, and the other end of the slide 8 is hinged to the piston 3. Example 5

[0047] Please refer to the attached Fig.25 , Fig.26 , Fig. 27 , Fig.28 , Example 5 of the present invention is described in detail. Fig.25 2 is a horizontal cross-sectional view of a cylinder body of Embodiment 5 of the present invention; the cylinder body of the present invention comprises a cylinder body base 1-11 and an integral insert 2-9, the outer contour of the cylinder body base 1-11 is an annular structure with an arc-shaped protrusion arranged outside, the protrusion is mainly used to accommodate the vane seat 7 and the air suction part 6, and can increase the axial length of the air suction part 6 and the radial length of the vane seat 7; Fig.26 , Fig. 27 , Fig.28 They are respectively a left view, a front view (horizontal sectional view), and a right view of the integrated inlay 2-9; the integrated inlay 2-9 is provided with a slide seat 7 and an air suction portion 6 for accommodating a slide 8, the slide seat 7 has an opening that runs through from top to bottom (perpendicular to the paper surface), and a second groove 91 that crosses horizontally and vertically is provided on the outer surface of the integrated inlay 2-9 (i.e., the first side surface 95 on the right side and the second side surface 96 on the left side), and the second groove 91 is used to increase the bonding force between the integrated inlay 2-9 and the cylinder body base 1-11 material, so as to ensure the firm bonding between the integrated inlay 2-9 and the cylinder body base 1-11; viewed from the direction perpendicular to the paper surface, Fig. 27 The second side surface 96 on the left side is an inclined surface, the first side surface 95 on the right side is a vertical surface, and the second side surface 96 is arranged parallel to the axis of the suction portion 6, and the first side surface 95 is arranged parallel to the center line of the slide seat 7; Fig. 27 As shown, the outer circumference of the integrated insert 2-9 slide seat 7 away from the center of the cylinder body is closed.

[0048] like Fig.25 As shown, after the integrated insert 2-9 is placed in the mold or the cylinder body base 1-11 containing the integrated insert is injection or die-cast, the axis of the slide seat 7 and the axis of the air suction part 6 intersect on the axis of the cylinder body. During injection or die-casting, the second groove 91 of the integrated insert 2-9 is filled with the lightweight material forming the cylinder body 11, thereby ensuring that the integrated insert is firmly combined with the cylinder body base 1-11.

[0049] The structural diagram of the integrated inlay 2-9 in embodiment 5 in cooperation with the piston 3, the slide 8 and the slide seat 7 can be referred to Fig.24 . Example 6

[0050] Please refer to the attached Fig.29 , Fig.30 , Example 6 of the present invention is described in detail. Fig.29 2 is a horizontal cross-sectional view of a cylinder body of Embodiment 6 of the present invention; the cylinder body of the present invention comprises a cylinder body base 1-11 and an integral insert 2-9, the outer contour of the cylinder body base 1-11 is an annular structure with an arc-shaped protrusion provided outside, the protrusion is mainly used to accommodate the vane seat 7 and the air suction part 6, and can increase the axial length of the air suction part 6 and the radial length of the vane seat 7; Fig.30 2-9 is a horizontal cross-sectional view of an integrated inlay 2-9, on which a slide seat 7 for accommodating a slide 8 and an air suction portion 6 are provided, the slide seat 7 having an opening extending vertically (perpendicular to the paper surface), and on the outer surface of the integrated inlay 2-9 (i.e., the first side surface 95 on the right side and the second side surface 96 on the left side), a second groove 91 intersecting horizontally and vertically is provided, the second groove 91 being used to increase the bonding force between the integrated inlay 2-9 and the cylinder body base 1-11 material, and ensure the firm bonding between the integrated inlay 2-9 and the cylinder body base 1-11; viewed from the direction perpendicular to the paper surface, Fig.30 The second side surface 96 on the left side is an inclined surface, the first side surface 95 on the right side is a vertical surface, and the second side surface 96 is arranged parallel to the axis of the suction part 6, and the first side surface 95 is arranged parallel to the center line of the slide seat 7. In some embodiments, as Fig.29 , Fig.30 As shown, the outer peripheral surface of the integrated insert 2-9 slide seat 7 away from the cylinder body is not closed, and a second countersunk groove 92 is opened, and the axis of the second countersunk groove 92 is colinear with the center line of the slide seat 7.

[0051] like Fig.29 As shown, after the integrated insert 2-9 is placed in the mold or the cylinder body base 1-11 containing the above-mentioned insert is injection- or die-cast, the axis of the slide seat 7 and the axis of the air suction part 6 intersect on the axis of the cylinder body. During injection or die-casting, the second groove 91 of the integrated insert 2-9 is filled with the lightweight material forming the cylinder body 11, thereby ensuring that the above-mentioned insert is firmly combined with the cylinder body base 1-11.

[0052] The structural diagram of the integrated inlay 2-9, the piston 3 and the slide 8 in Example 6 can be referred to Fig.19 . Example 7

[0053] The cylinder base 1-11 in Example 7 is substantially the same as that in Example 6, except that Fig.31 As shown, in addition to the arc-shaped protrusion, the cylinder base 1-11 is located on the opposite side of the arc-shaped protrusion. A connecting portion 98 is provided on the outer peripheral wall of the cylinder base 1-11, and a connecting hole is opened on the connecting portion 98. The function of the connecting hole is to connect the upper bearing cover 4, the lower bearing cover 5 and the cylinder base 1-11; the structural shape of the integrated inlay 2-9 in Example 7 is consistent with the structural shape of the integrated inlay 2-9 in Example 5, and it is not repeated here; the cooperation between the integrated inlay 2-9 and the slide 8 and the piston 3 in Example 7 can be referred to Fig.19 . Example 8

[0054] The cylinder body base 1-11 in Example 8 has the same structure as the cylinder body base 1-11 in Example 7. Fig.32 As shown, the structure and shape of the integrated inlay 2-9 in Example 8 are consistent with those in Example 7, except that the outer peripheral wall of the slide seat 7 of the integrated inlay 2-9 away from the center of the cylinder body is closed. As for the cooperation between the integrated inlay 2-9, the slide 8 and the piston 3, please refer to Fig.24 . Example 9

[0055] Please refer to the attached Fig.33 , Fig.34 , Example 9 of the present invention is described in detail. Fig.33 1 is a horizontal cross-sectional view of a cylinder body of Embodiment 9 of the present invention; the cylinder body of the present invention comprises a cylinder body base 1-11 and an integral inlay 2-9, the outer contour of the cylinder body base 1-11 comprises a superior arc-shaped structure, the superior arc-shaped structure is provided with a first vertical wall 14 and a second vertical wall 13 upwardly, the first vertical wall 14 is located on the right side of the second vertical wall 13, and an integral inlay 2-9 is provided between the two vertical walls; Fig.34 2-9 is a cross-sectional view of an integrated inlay 2-9; the integrated inlay 2-9 is provided with a slide seat 7 for accommodating a slide 8 and an air suction portion 6, the slide seat 7 has an opening that runs through from top to bottom (perpendicular to the paper surface), and a second groove 91 that crosses horizontally and vertically is provided on the outer surface of the integrated inlay 2-9 (i.e., the first side surface 95 on the right side and the second side surface 96 on the left side), and the second groove 91 is used to increase the bonding force between the integrated inlay 2-9 and the cylinder body base 1-11 material, so as to ensure the firm bonding between the integrated inlay 2-9 and the cylinder body base 1-11; viewed from the direction perpendicular to the paper surface, Fig.34 The second side surface 96 on the left side and the first side surface 95 on the right side are both vertical surfaces. The second side surface 96 is inclined to the axis of the air suction portion 6, and the first side surface 95 is parallel to the center line of the slide seat 7. Fig.34As shown, a connection hole 94 perpendicular to the paper surface is provided at the lower left corner of the integral inlay 2-9, i.e., the corner formed by the second side edge 96 and the inner circumference of the cylinder base 1-11. The purpose of the connection hole 94 is to allow a connection member to pass through. The connection member connects the upper bearing cover 4, the cylinder 11, and the lower bearing cover 5 to ensure the connection strength of the three. Fig.34 As shown, the outer peripheral surface of the integrated insert 2-9 sliding seat 7 away from the center of the cylinder body is not closed, and a second countersunk groove 92 is opened, and the axis of the second countersunk groove 92 is colinear with the center line of the sliding seat 7, and a second countersunk groove 92 is opened, and the axis of the second countersunk groove 92 is colinear with the center line of the sliding seat 7.

[0056] like Fig.33 As shown, after the integrated insert 2-9 is placed in the mold or the cylinder body base 1-11 containing the above-mentioned insert is injection- or die-cast, the axis of the slide seat 7 and the axis of the air suction part 6 intersect on the axis of the cylinder body. During injection or die-casting, the second groove 91 of the integrated insert 2-9 is filled with the lightweight material forming the cylinder body 11, thereby ensuring that the above-mentioned insert is firmly combined with the cylinder body base 1-11.

[0057] The cooperation between the integrated inlay 2-9, the slide 8 and the piston 3 in Example 9 can be referred to Fig.19 . Example 10

[0058] like Fig.35 As shown, the cylinder body base 1-11 in Example 10 has the same structure as the cylinder body base 1-11 in Example 9, except that Fig.36 As shown, the integrated inlay 2-9 and the vane seat 7 are closed away from the outer peripheral wall in the cylinder body. As for the cooperation between the integrated inlay 2-9, the vane 8 and the piston 3, please refer to Fig.24 .

[0059] Taking Example 3 as an example, the present invention also relates to a method for manufacturing a cylinder of a rotor compressor pump body. In a preferred embodiment, Figure 1 , Fig.14 , Fig.16 , Fig.19 As shown, first, make Figure 1 , Fig.14 The injection or die-casting mold of the cylinder body 11 shown in FIG. 1 is as follows: Fig.16 The integrated inlay 2-9 shown; third, the integrated inlay 2-9 is placed and fixed in the above-mentioned mold; fourth, a lightweight material such as aluminum alloy, magnesium alloy, titanium alloy or engineering plastic is injected or pressed into the mold as a matrix material, and taken out after cooling and forming, so as to obtain a cylinder body 11 containing the above-mentioned inlay.

[0060] The vane seat 7 and the suction part 6 are formed in the integrated insert 2-9, which can not only meet the wear-resistant requirements of the vane 8 when moving in the vane seat 7, but also meet the coaxiality and connection strength requirements between the suction part 6 and the suction pipe; in summary, replacing the materials of the cylinder body 11 except for the integrated insert with lightweight materials can achieve a lightweight design of the cylinder body 11 while meeting the requirements of wear resistance, coaxiality and connection strength.

[0061] With the above-mentioned ideal embodiment of the present invention as inspiration, through the above-mentioned description, relevant staff can make various changes and modifications within the scope of the technical idea of ​​the present invention. For example, although the present invention takes a circular structure cylinder as an example, it is also applicable to other types of cylinders. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. A cylinder of a rotor compressor pump body, wherein the inner peripheral wall of the cylinder is provided with an air intake portion for air intake and a vane seat for accommodating a vane, characterized in that: The cylinder body is formed by compounding an insert and a light material.

2. The cylinder of a rotary compressor pump body according to claim 1, characterized in that: The cylinder body is formed by integrally injecting or die-casting the insert and the light material.

3. The cylinder of a rotary compressor pump body according to claim 1, characterized in that: The inlay is made of cast iron, cast steel or other metallurgical profiles.

4. The cylinder of a rotary compressor pump body according to claim 1, characterized in that: The lightweight material is aluminum alloy, magnesium alloy, titanium alloy or engineering plastic.

5. The cylinder of a rotary compressor pump body according to any one of claims 1 to 4, characterized in that: The inlay is a vane seat inlay and / or an air suction seat inlay, and the cylinder body matrix is ​​formed by a lightweight material.

6. The cylinder of a rotary compressor pump body according to claim 5, characterized in that: The vane seat insert has the vane seat that moves relative to the end of the vane; the suction seat insert has the suction part that penetrates, and the suction part is connected to the compression chamber in the cylinder body.

7. The cylinder of a rotary compressor pump body according to claim 5, characterized in that: The suction seat inlay has an oblique slope, and the suction seat inlay slope is fitted with the outer wall of one side of the vane seat inlay. The axis of the suction seat inlay intersects with the center line of the vane seat inlay at a point, which is the center of the cross section of the cylinder compression chamber.

8. The cylinder of a rotary compressor pump body according to claim 5, characterized in that: The cylinder body is integrally formed by injection or die-casting the air suction seat insert, the vane seat insert and a lightweight material.

9. The cylinder of a rotary compressor pump body according to claim 5, characterized in that: The outer surface of the slide seat inlay is provided with a first intersecting groove.

10. The cylinder of a rotary compressor pump body according to claim 5, characterized in that: A circumferential annular groove is formed on the outer peripheral wall of the suction seat insert, and a circumferential protrusion is formed in the circumferential annular groove.

11. A cylinder body of a rotary compressor pump body according to any one of claims 1 to 4, characterized in that: The inlay is an integrated inlay; the integrated inlay comprises the slide seat for accommodating the slide and the suction part for suctioning air.

12. The cylinder of a rotary compressor pump body according to claim 11, characterized in that: The outer surface of the integrated inlay is provided with a second intersecting groove.

13. The cylinder of a rotary compressor pump body according to claim 11, characterized in that: The center line of the slide seat is arranged parallel to the first side surface of the outer side of the integrated inlay; the second side surface is opposite to the first side surface and located on the other outer side of the integrated inlay.

14. The cylinder of a rotary compressor pump body according to claim 13, characterized in that: The air suction portion is arranged in an axial direction parallel to the second side surface of the integral inlay component.

15. The cylinder of a rotary compressor pump body according to claim 13, characterized in that: The first side surface and the second side surface of the integrated inlay are arranged in parallel, and a connecting hole is provided at a corner formed by the second side surface and the inner peripheral surface of the integrated inlay.

16. The cylinder of a rotary compressor pump body according to claim 13, characterized in that: The first side surface and the second side surface of the integrated inlay are arranged in parallel, and a relief portion is arranged at a corner between the second side surface and the inner peripheral surface of the integrated inlay.

17. A method for manufacturing a cylinder of a rotary compressor pump body according to any one of claims 1 to 16, characterized in that: The steps include: (1) Injection or die-casting mold for making cylinder body; (2) Making inlays; (3) placing and fixing the inlay in the mold; (4) A lightweight material is injected or pressed into a mold as a base material, and after cooling and forming, it is taken out to obtain a cylinder body containing the above-mentioned insert.

Images