CN209908701U

CN209908701U - Compressor frame convenient to dismouting

Info

Publication number: CN209908701U
Application number: CN201920652885.1U
Authority: CN
Inventors: 邱晓斐
Original assignee: Zhejiang Skolan Refrigeration Technology Co Ltd
Current assignee: Zhejiang Skolan Refrigeration Technology Co Ltd
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-01-07
Anticipated expiration: 2029-05-08

Abstract

The utility model relates to the field of compressor accessories, in particular to a compressor rack convenient to disassemble and assemble, which comprises a rack main body, wherein a horizontal crankshaft hole is arranged in the middle of the rack main body in a penetrating way, the front surface of the rack main body is positioned right below the front end of the crankshaft hole and is connected with a valve plate mounting seat, and a cylinder hole with an axis vertical to the axis of the crankshaft hole is arranged on the valve plate mounting seat; two pre-mounting grooves which can be connected with a motor fastener are arranged at the position, opposite to the valve plate mounting seat, of the back face of the frame main body; two pre-installation grooves are symmetrically distributed below two sides of the crankshaft hole. The utility model can facilitate the motor to be aligned with the frame, thereby facilitating the installation of the motor; and the firmness and the stability of the motor installation can be improved.

Description

Compressor frame convenient to dismouting

Technical Field

The utility model belongs to the technical field of the compressor accessory and specifically relates to a compressor frame convenient to dismouting is related to.

Background

The compressor is a heart of a refrigeration system, sucks low-temperature and low-pressure refrigerant gas from a gas suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges the high-temperature and high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle, so that the refrigeration cycle of compression → condensation → expansion → evaporation (heat absorption) is realized. The compressor generally consists of a shell, a motor, a cylinder block, a piston, control equipment (a starter and a thermal protector) and a cooling system. The cylinder block is used for installing and fixing the motor, the crankshaft and the piston, and the structural characteristics of the cylinder block directly influence the installation of other parts and the working performance of the whole compressor. The compressor structure and the model in the existing market are various to satisfy different customers' operation requirement, but the cylinder block structure of many compressors is complicated, and manufacturing cost is high, and processing technology is single, is difficult to improve refrigeration effect.

Then, this company has made a refrigeration compressor cylinder block through research and development to applied utility model patent, the application date of this patent is 2016 12 months 30 days, and the patent number is ZL201621479636.X, and the name is "a refrigeration compressor cylinder block", the utility model provides a compressor exhaust system's buffer function reduces exhaust pulsation noise to solved the technical process problem that is difficult to the slight cylinder hole circularity of merit and jar hole and the straightness requirement that hangs down in the current course of working and provided good assembly manufacturability. Meanwhile, the friction resistance is reduced, and the loss power of the compressor is reduced.

However, the following problems are found in the actual use process: (1) the frame main part four corners is equipped with the technology boss, sets up motor installation foot on every technology boss, sets up the motor mounting hole in the motor installation foot, and the motor mounting hole needs align with the locating hole on the motor, just can accomplish the installation after penetrating parts such as screw rod. However, during installation, the motor installation hole and the motor positioning hole can shift and are not easy to install. (2) The firmness of installation is difficult to guarantee. (3) The inner ring of the mounting groove is partially connected with the crankshaft hole and is provided with a groove which is sunken downwards, and one side of the mounting groove below the cylinder hole is provided with an oil draining through hole. This slot and oil drainage through-hole all directly process out in the frame main part, and the inner wall of mounting groove need guarantee smoothly, and then avoids the wearing and tearing to the bearing, and the processing degree of difficulty is big, will damage whole frame main part in addition carelessly, damages the cost height that causes.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a compressor frame of the dismouting of being convenient for of motor installation, assurance motor installation fastness.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a compressor rack convenient to disassemble and assemble comprises a rack main body, wherein a horizontal crankshaft hole is arranged in the middle of the rack main body in a penetrating mode, the front face of the rack main body is positioned right below the front end of the crankshaft hole and is connected with a valve plate mounting seat, and a cylinder hole with the axis vertical to the axis of the crankshaft hole is arranged on the valve plate mounting seat; two pre-mounting grooves which can be connected with a motor fastener are arranged at the position, opposite to the valve plate mounting seat, of the back face of the frame main body; two pre-installation grooves are symmetrically distributed below two sides of the crankshaft hole. The utility model is additionally provided with the pre-mounting groove, the motor can be connected with the pre-mounting groove through parts such as a screw, a rivet and the like, the pre-mounting of the motor is realized, the motor is convenient to align to the frame, and the firmness and the stability of the motor mounting are also improved; of course, the fixation of the motor can be realized only through the motor fastener and the pre-installation groove, and the installation speed and the efficiency of the motor are accelerated.

Furthermore, an inwards concave groove is formed in the front face of the frame main body at the position of the crankshaft hole, and the bottom of the groove is connected with a smooth bearing connecting sleeve; the inner ring of the bearing connecting sleeve protrudes towards the main body of the frame to form a ring-shaped connecting part. The bearing connecting sleeve can be independently processed and is arranged in the groove after being polished smoothly; one is convenient for processing, namely the frame main body and the bearing connecting sleeve can be processed separately, thereby improving the processing efficiency; the other is that the processing difficulty of the groove is reduced, and the grinding damage is only the damage of the bearing connecting sleeve, so that the risk of the damage of the main body of the frame is effectively reduced, and the damage cost is low; the annular connection portion can improve the stability of the bearing installation.

Furthermore, an oil draining hole is formed between the crankshaft hole and the valve plate mounting seat of the frame main body, the upper portion of the oil draining hole is located in the groove, and the bearing connecting sleeve is located at the oil draining hole to form a notch.

Further, frame main part top and bottom both sides all symmetry set up four supporting parts, and the front of supporting part is equipped with motor installation foot, is equipped with the motor mounting hole that extends along motor installation foot length direction in the motor installation foot. This arrangement further provides robustness and stability to the motor mounting.

Furthermore, an elastic thread cover is arranged in the mounting groove, and the cross section of the elastic thread cover is U-shaped; the inner wall of the elastic thread cover is provided with internal threads which can be in threaded connection with a motor fastener, and the outer wall of the elastic thread cover, close to the opening, is provided with a concave ring; a convex ring matched with the concave ring is arranged at the top of the inner wall of the mounting groove; the middle part of the inner wall of the mounting groove is provided with a convex part which can compress the elastic thread cover and the motor fastener. The elastic thread cover can elastically press the motor fastener in the mounting groove, and the convex ring and the concave ring can improve the anti-falling effect of the elastic thread cover; the convex part can further press the motor fastener into the mounting groove.

In summary, the utility model can facilitate the motor to align with the frame, thereby facilitating the installation of the motor; and the firmness and the stability of the motor installation can be improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a schematic view of the connection between the mounting groove and the elastic thread cover of the present invention;

wherein, the frame body 1; a groove 11; a support portion 12; motor mounting feet 13, motor mounting holes 131; a crankshaft bore 2; a valve plate mounting base 3; a cylinder bore 4; a pre-installation groove 5 and a convex ring 51; a bearing connecting sleeve 6 and an annular connecting part 61; an oil draining hole 7; elastic thread cover 8, internal thread 81, concave ring 82 and convex part 83.

Detailed Description

In order to make the technical field personnel understand the utility model discloses the scheme, will combine the drawing in the embodiment of the utility model below, to the technical scheme in the embodiment of the utility model carries out clear, complete description.

As shown in fig. 1-3, a compressor rack convenient to disassemble and assemble comprises a rack main body 1, a horizontal crankshaft hole 2 is arranged in the middle of the rack main body 1 in a penetrating mode, a valve plate mounting seat 3 is connected to the front face of the rack main body 1 and is located right below the front end of the crankshaft hole 2, a cylinder hole 4 is arranged on the valve plate mounting seat 3, and the axis of the cylinder hole 4 is perpendicular to the axis of the crankshaft hole 2.

The utility model discloses a main improvement part lies in: the back of the frame main body 1 is opposite to the valve plate mounting seat 3 and is provided with two pre-mounting grooves 5. The two pre-mounting grooves 5 are symmetrically distributed below two sides of the crankshaft hole 2. The pre-mount slot 5 may be connected with a motor fastener. The motor fastener can be a bolt, a screw rod, a rivet and other parts, and is not in the protection scope of the patent. When the motor fastener is installed, the motor fastener can firstly penetrate through the motor shell and then is connected to the pre-installation groove 5.

The mounting groove 11 can be a groove body with a smooth inner wall, and can be matched with the motor mounting foot 13 to be connected more firmly. Of course, the mounting groove 11 may be a groove body with internal threads. In the present embodiment, however, the mounting groove 5 is provided with an elastic thread cover 8 therein, and the elastic thread cover 8 is made of an elastic material such as rubber. The cross section of the elastic thread cover 8 is U-shaped. The inner wall of the elastic thread cover 8 is provided with internal threads 81, and the internal threads 81 can be in threaded connection with a motor fastener, and the motor fastener is preferably a screw. A concave ring 82 is arranged on the outer wall of the elastic thread cover 8 close to the opening; the top of the inner wall of the mounting groove 5 is provided with a convex ring 51, and the convex ring 51 is matched with the concave ring 82 in a concave-convex way. The middle part of the inner wall of the mounting groove 5 is provided with a convex part 83, the convex part 83 can press the elastic thread cover 8 and the motor fastener, and the convex part 83 can be in the shape of circular arc, triangle and the like.

The front surface of the frame main body 1 is positioned at the position of the crankshaft hole 2 to form an inwards concave groove 11, and the crankshaft hole 2 is positioned at the right center of the groove 11. The bottom of the groove 11 is connected with a smooth bearing connecting sleeve 6; i.e. the bearing adapter sleeve 6 is connected to the concave bottom surface of the recess 11. The inner ring of the bearing connecting sleeve 6 is bulged to form an annular connecting part 61, and the annular connecting part 61 protrudes towards the front direction of the frame main body 1. An oil draining hole 7 is formed between the crankshaft hole 2 and the valve plate mounting seat 3 of the frame main body 1, the oil draining hole 7 is formed in the frame main body 1, the upper portion of the oil draining hole 7 is located in the groove 11, and the bearing connecting sleeve 6 is located at the oil draining hole 7 to form a notch.

In addition, in order to further provide firmness and stability of motor installation, then, four supporting portions 12 are symmetrically arranged on both sides of the top and the bottom of the frame main body 1, a motor installation foot 13 is arranged on the front surface of each supporting portion 12, and a motor installation hole 131 extending along the length direction of the motor installation foot 13 is arranged in each motor installation foot 13.

When the motor is installed, the motor fastener can penetrate through the motor and then is connected with the pre-installation groove 5, so that the pre-installation of the motor and the rack is completed; at this time, the four motor mounting holes 131 are just aligned with the four positioning holes of the motor, and the fasteners can be inserted to connect the motor and the positioning holes to complete the installation.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. A compressor rack convenient to disassemble and assemble comprises a rack main body (1), wherein a horizontal crankshaft hole (2) is arranged in the middle of the rack main body (1) in a penetrating mode, the front face of the rack main body (1) is located right below the front end of the crankshaft hole (2) and is connected with a valve plate mounting seat (3), and an air cylinder hole (4) with the axis vertical to the axis of the crankshaft hole (2) is formed in the valve plate mounting seat (3); the method is characterized in that: two pre-mounting grooves (5) which can be connected with a motor fastener are arranged at the position, opposite to the valve plate mounting seat (3), of the back surface of the frame main body (1); the two pre-mounting grooves (5) are symmetrically distributed below two sides of the crankshaft hole (2).

2. The easy-to-disassemble compressor rack of claim 1, wherein: the front surface of the frame main body (1) is positioned at the crankshaft hole (2) to form an inwards concave groove (11), and the bottom of the groove (11) is connected with a smooth bearing connecting sleeve (6); the inner ring of the bearing connecting sleeve (6) protrudes into an annular connecting part (61).

3. The easy-to-disassemble compressor rack of claim 1, wherein: the oil draining hole (7) is formed between the crankshaft hole (2) and the valve plate mounting seat (3) of the frame main body (1), the upper portion of the oil draining hole (7) is located in the groove (11), and the bearing connecting sleeve (6) is located at the oil draining hole (7) to form a notch.

4. The easy-to-disassemble compressor rack of claim 1, wherein: frame main part (1) top and bottom both sides all symmetry set up four supporting parts (12), and the front of supporting part (12) is equipped with motor installation foot (13), is equipped with in motor installation foot (13) along motor installation foot (13) length direction extension's motor mounting hole (131).

5. The easy-to-disassemble compressor rack of claim 1, wherein: an elastic thread cover (8) is arranged in the mounting groove (5), and the cross section of the elastic thread cover (8) is U-shaped; the inner wall of the elastic thread cover (8) is provided with an internal thread (81) which can be in threaded connection with a motor fastener, and the outer wall of the elastic thread cover (8) close to the opening is provided with a concave ring (82); a convex ring (51) matched with the concave ring (82) is arranged at the top of the inner wall of the mounting groove (5); the middle part of the inner wall of the mounting groove (5) is provided with a convex part (83) which can compress the elastic thread cover (8) and the motor fastener.