CN212535988U

CN212535988U - Compressor and seat spring support pin for compressor

Info

Publication number: CN212535988U
Application number: CN202021208755.8U
Authority: CN
Inventors: 李伟男; 宋东东
Original assignee: Anhui Meizhi Compressor Co Ltd
Current assignee: Anhui Meizhi Compressor Co Ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-12
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a compressor and seat spring supporting pin that is used for compressor, compressor include casing, core, seat spring and seat spring supporting pin down. The seat spring support pins are welded to the inner bottom of the lower case, for example, to the inner bottom surface of the lower case. The seat spring support pin includes a pin body and a circumferential boss integrally formed on an outer circumferential surface of the pin body and extending in a circumferential direction of the pin body. The pin body is divided into an upper pin body section and a lower pin body section by the circumferential boss, the seat spring is directly sleeved on the upper pin body section, the lower end of the seat spring is abutted to the upper surface of the circumferential boss, and the movement is supported on the seat spring. According to the utility model discloses compressor and seat spring supporting pin that is used for the compressor have made things convenient for the installation of the punching press manufacturing of casing and seat spring down, have also improved the suitability of seat spring supporting pin.

Description

Compressor and seat spring support pin for compressor

Technical Field

The utility model relates to a compressor technical field particularly, relates to a compressor and a seat spring supporting pin that is used for the compressor.

Background

A seat spring is generally mounted in a housing of the reciprocating piston compressor for supporting the movement. In the related art, the seat spring is generally mounted in the housing through a steel support pin and a vibration-proof bush. In the related art, a support pin is fixed in a housing, a support block is sleeved on the support pin, a spring is sleeved on the support block, and a flange is provided at a lower end of the support pin welded to the housing to increase a contact area with the housing, and there is also a related art in which a diameter of a lower portion of the support pin is increased to support the spring. The seat spring supporting structure in the related art has the problems of more parts, complex assembly, large occupied area in the shell, influence on the stamping and manufacturing of the shell and poor applicability.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the embodiment of the utility model provides a compressor, this compressor's seat spring supporting pin simple structure, suitability are good, do benefit to the manufacturing of casing down, and seat spring simple to operate.

Another embodiment of the present invention provides a seat spring support pin for a compressor.

According to the utility model discloses compressor includes: lower casing, core, seat spring and seat spring supporting pin, the seat spring supporting pin welding is in the bottom of casing down, the seat spring supporting pin is including selling the body and circumference boss, the circumference boss forms integratively sell on the outer peripheral face of the body and follow the circumference of selling the body extends, the circumference boss will sell the body and divide into round pin body section and lower round pin body section, the direct cover of seat spring is established sell on the body section and the lower extreme of seat spring is ended and is in on the upper surface of circumference boss, the core supports on the seat spring.

According to the utility model discloses compressor through set up circumference boss on the outer peripheral face of seat spring supporting pin, can reduce the required planar area of casing base angle welding seat spring supporting pin down, has made things convenient for the punching press of casing down to make, and the seat spring cover is established on last round pin body section and is only supported the circumference boss, has made things convenient for the installation of seat spring. By changing the length of the lower pin body section, the seat spring support pin with different heights can be designed, other parts do not need to be changed, the seat spring support pin can be suitable for different compressors, and the applicability of the seat spring support pin is improved.

In some embodiments, a welding projection is provided on a lower end surface of the lower pin body segment, a welding recess is provided on an inner bottom surface of the lower case, and the welding projection is welded in the welding recess to weld the lower pin body segment to the lower case.

In some embodiments, the weld projection is hemispherical.

In some embodiments, a lower end surface of the lower pin body section is provided with a circumferential groove surrounding the welding projection, and an inner circumferential edge of the circumferential groove is contiguous with an outer circumferential edge of the welding projection.

In some embodiments, the upper end of the upper pin body segment is rounded, and/or the lower end of the lower pin body segment is chamfered.

In some embodiments, the diameter of the lower pin body segment is less than the diameter of the upper pin body segment.

According to the utility model discloses a seat spring supporting pin for compressor includes: the pin body comprises a pin body and a circumferential boss, wherein the circumferential boss is integrally formed on the outer circumferential surface of the pin body and extends along the circumferential direction of the pin body, and the circumferential boss divides the pin body into an upper pin body section and a lower pin body section.

In some embodiments, a hemispherical welding projection is provided on the lower end face of the lower pin body section.

Drawings

Fig. 1 is a partial schematic view of a compressor according to an embodiment of the present invention.

Fig. 2 is a front view of a seat spring support pin according to an embodiment of the present invention.

Fig. 3 is a plan view of a seat spring support pin according to an embodiment of the present invention.

Fig. 4 is a sectional view of a seat spring support pin according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

A compressor according to an embodiment of the present invention is described below with reference to the accompanying drawings.

As shown in fig. 1 to 4, a compressor according to an embodiment of the present invention may be a reciprocating piston compressor, and includes a lower case 2, a movement (not shown), a seat spring 3, and a seat spring support pin 1.

The seat spring support pin 1 is welded to the inner bottom of the lower case 2, for example, to the inner bottom of the lower case. The seat spring support pin 1 includes a pin body and a circumferential boss 103, the circumferential boss 103 being integrally formed on an outer circumferential surface of the pin body and extending in a circumferential direction of the pin body, in other words, a step is formed on an outer circumferential wall surface of the pin body by providing the circumferential boss 103. The pin body is divided into an upper pin body section 101 and a lower pin body section 102 by the circumferential boss, the seat spring 3 is directly sleeved on the upper pin body section 101, the lower end of the seat spring 3 is stopped on the upper surface of the circumferential boss 103, and the movement is supported on the seat spring 3.

According to the utility model discloses compressor through set up circumference boss 103 on the outer peripheral face at seat spring supporting pin 1, can reduce the base angle 201 welding seat spring supporting pin 1 required planar area of casing 2 down, the radius of base angle 201 of casing 2 down can design bigger, has made things convenient for casing 2's punching press to make down, and seat spring 3 direct cover is established on last round pin body section 101 and is only supported circumference boss 103, has made things convenient for the installation of seat spring 3. By changing the length of the lower pin body section 102, the seat spring support pin 1 with different heights can be designed, and the seat spring support pin can be adapted to different compressors without changing other parts, thereby improving the applicability of the seat spring support pin 1.

As shown in fig. 1, in some embodiments, a welding protrusion 1021 is provided on the lower end surface of the lower pin body segment 102, for example, the welding protrusion 1021 is a hemispherical shape, a welding recess 202 is provided on the inner bottom surface of the lower case 2, and the welding protrusion 1021 is welded in the welding recess 202 to weld the lower pin body segment 102 to the lower case 2.

By providing the welding projection 1021 on the lower end surface of the lower pin body section 102 and the welding recess 202 on the inner bottom surface of the lower housing 2, the welding of the pin body with the lower housing 2 is facilitated, and the connection reliability is improved.

Preferably, as shown in fig. 1, a circumferential groove 1022 surrounding the welding projection 1021 is provided on the lower end surface of the lower pin body segment 102, and an inner circumferential edge of the circumferential groove 1022 meets an outer circumferential edge of the welding projection 1021. By providing the circumferential groove 1022, the solder can be prevented from overflowing between the lower end surface of the lower pin body section 102 and the inner bottom surface of the lower housing 2, further improving the reliability of the welding.

In some embodiments, as shown in fig. 3 and 4, the upper end of the upper pin body segment 101 is rounded 1011 and the lower end of the lower pin body segment 102 is chamfered 1023. Therefore, the seat spring 3 is further convenient to be sleeved on the upper pin body segment 101, the lower pin body segment 102 is convenient to be welded with the lower shell 2, and the area required by welding on the lower shell 2 is further reduced.

Preferably, the diameter of the lower pin body segment 102 is smaller than the diameter of the upper pin body segment 101. Thus, the planar area required for welding the seat spring support pin 1 to the bottom corner 201 of the lower case 2 is further increased, and the rounding radius of the bottom corner 201 of the lower case 2 is increased, which is advantageous for the press-forming of the lower case 2.

A seat spring support pin 1 for a compressor according to an embodiment of the present invention will be briefly described below. As shown in fig. 1 to 4, a seating spring support pin 1 according to an embodiment of the present invention includes a pin body and a circumferential boss 103, the circumferential boss 103 being integrally formed on an outer circumferential surface of the pin body and extending in a circumferential direction of the pin body, the circumferential boss dividing the pin body into an upper pin body section 101 and a lower pin body section 102.

Preferably, a welding projection 1021, for example, a hemispherical welding projection 1021, is provided on the lower end surface of the lower pin body segment 102, and accordingly, a welding recess 202 for the welding projection 1021 is provided on the inner bottom surface of the lower case 2, thereby improving welding performance. Preferably, a circumferential groove 1022 surrounding the welding protrusion 1021 is provided on the lower end surface of the lower pin body segment 102, and an inner circumferential edge of the circumferential groove 1022 is in contact with an outer circumferential edge of the welding protrusion 1021, whereby it is possible to avoid solder from overflowing between the lower end surface of the lower pin body segment 102 and the inner bottom surface of the lower housing 2, further improving the welding performance. More preferably, the diameter of the lower pin body segment 102 is smaller than the diameter of the upper pin body segment 101.

According to the utility model discloses a seat spring supporting pin 1 for compressor, simple structure, required welding plane area is little, does benefit to the installation of seat spring 3 and the punching press of casing 2 is made under the compressor, through the length that changes pin body section 102 down, need not to change other spare parts, can conveniently be applicable to the compressor of different models, has improved the suitability, the cost is reduced.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A compressor, comprising: lower casing, core, seat spring and seat spring supporting pin, the seat spring supporting pin welding is in the interior bottom of casing down, the seat spring supporting pin is including selling the body and circumference boss, the circumference boss forms integratively sell on the outer peripheral face of the body and follow the circumference of selling the body extends, the circumference boss will sell the body and divide into round pin body section and lower round pin body section, the direct cover of seat spring is established sell on the body section and just the lower extreme of seat spring is ended and is in on the upper surface of circumference boss, the core supports on the seat spring.

2. The compressor of claim 1, wherein a welding projection is provided on a lower end surface of the lower pin body segment, a welding recess is provided on an inner bottom surface of the lower shell, and the welding projection is welded in the welding recess to weld the lower pin body segment to the lower shell.

3. The compressor of claim 2, wherein the welding projection is hemispherical.

4. The compressor of claim 2, wherein a circumferential groove surrounding the welding projection is provided on a lower end surface of the lower pin body section, an inner circumferential edge of the circumferential groove being contiguous with an outer circumferential edge of the welding projection.

5. The compressor of claim 1, wherein an upper end of the upper pin body segment is rounded, and/or a lower end of the lower pin body segment is chamfered.

6. The compressor of any one of claims 1-5, wherein the diameter of the lower pin body segment is smaller than the diameter of the upper pin body segment.

7. A seat spring support pin for a compressor, comprising: the pin body comprises a pin body and a circumferential boss, wherein the circumferential boss is integrally formed on the outer circumferential surface of the pin body and extends along the circumferential direction of the pin body, and the circumferential boss divides the pin body into an upper pin body section and a lower pin body section.

8. A seat spring support pin for a compressor as recited in claim 7, wherein a hemispherical welding projection is provided on a lower end surface of the lower pin body section.

9. A seat spring support pin for a compressor, as set forth in claim 8, wherein a circumferential groove surrounding the welding projection is provided on the lower end surface of the lower pin body section, an inner circumferential edge of the circumferential groove being in contact with an outer circumferential edge of the welding projection.

10. A seat spring support pin for a compressor as claimed in any one of claims 7 to 9, wherein the diameter of the lower pin body section is smaller than the diameter of the upper pin body section.