CN216044297U

CN216044297U - Split type crankcase for refrigerator compressor

Info

Publication number: CN216044297U
Application number: CN202122172150.9U
Authority: CN
Inventors: 关晓杰
Original assignee: Jiaxing Lifeng Machinery Manufacturing Co ltd
Current assignee: Jiaxing Lifeng Machinery Manufacturing Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-03-15
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a split type crankcase for a refrigerator compressor, and relates to the technical field of crankcases. According to the utility model, the movable ring and the fixed plate are arranged inside the limit box, when the crankshaft seat is installed, the crankshaft seat and the positioning plate are inserted into the limit box and the installation hole, the positioning plate is positioned inside the first annular groove and rotates the crankshaft seat, the first limit column groove is overlapped with the second limit column groove, then the threaded sleeve is rotated, the movable ring is driven by the threaded sleeve to move inside the limit box, so that the limit column is spliced with the first limit column groove and the second limit column groove, the fixing of the crankshaft seat is completed, the problem of inconvenient installation and disassembly of bolt connection is solved, meanwhile, the detachable connection between the box body base and the crankshaft seat is convenient for production and transportation, and the practicability of the device is improved.

Description

Split type crankcase for refrigerator compressor

Technical Field

The utility model relates to the technical field of crank cases, in particular to a split type crank case for a refrigerator compressor.

Background

The crankcase is an important component of a refrigerator compressor, but most of the existing crankcases are of an integral casting structure, and the crankcase base, the cylinder seat and the crankshaft seat are of an integral structure, so that the crankcase is not easy to produce and process, the whole crankcase can be scrapped after being damaged at a single position, the crankcase is inconvenient for people to use, the special-shaped structure of the whole crankcase is inconvenient to transport and use when in need of transportation, and meanwhile, the installation and the disassembly of a generally adopted bolt connection mode are troublesome, and the installation of a user is inconvenient, so that the split type crankcase for the refrigerator compressor is necessary to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a split crankcase for a refrigerator compressor, which aims to solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: a split type crankcase for a refrigerator compressor comprises a case body base, a mounting hole and a crankshaft seat, wherein the lower surface of the case body base is provided with the mounting hole for mounting the crankshaft seat, the outer side wall of the crankshaft seat is fixedly connected with a plurality of positioning plates distributed in an annular array, a first annular groove is formed in the bottom notch of the mounting hole, the positioning plates are positioned in the first annular groove, the lower surface of the case body base is fixedly connected with a limiting box, the limiting box is positioned on the outer side of the bottom end of the mounting hole, the bottom surface of the limiting box is provided with a through groove matched with the crankshaft seat, the groove wall of the through groove is provided with a plurality of positioning plate grooves distributed in an annular array, the positioning plate grooves are matched with the positioning plates, a movable ring is arranged in the limiting box, the inner wall of the movable ring is fixedly connected with a plurality of fixing plates distributed in an annular array, the fixed plate sets up to the arc, and two are adjacent space between the fixed plate is located the locating plate groove directly over, the fixed plate is close to the spacing post of a side surface middle part fixedly connected with of box base.

Preferably, a first limiting column groove matched with the limiting column is formed in the surface of one side of the crankshaft seat, a plurality of second limiting column grooves distributed in an annular array are formed in the top of the first annular groove, and the second limiting column grooves are matched with the limiting column.

Preferably, the both sides of the lateral wall both sides of activity ring are all fixedly connected with connecting rod, the connecting rod groove with connecting rod looks adaptation is all seted up to the both sides inner wall of spacing box.

Preferably, one end of the connecting rod, which is far away from the movable ring, penetrates through the connecting rod groove and extends to the outer side of the limiting box, and an external thread is arranged on the outer side wall of the limiting box.

Preferably, the outer side of the limiting box is in threaded connection with a threaded sleeve, and a second annular groove matched with the connecting rod is formed in the top end of the inner wall of the threaded sleeve.

Preferably, the connecting rod extends to the second annular groove inside the one end in the spacing box outside extends to, the last fixed surface of box base is connected with the cylinder mount pad.

The utility model has the technical effects and advantages that:

according to the utility model, the movable ring and the fixed plate are arranged inside the limit box, when the crankshaft seat is installed, the crankshaft seat and the positioning plate are inserted into the limit box and the installation hole, the positioning plate is positioned inside the first annular groove and rotates the crankshaft seat, the first limit column groove is overlapped with the second limit column groove, then the threaded sleeve is rotated, the movable ring is driven by the threaded sleeve to move inside the limit box, so that the limit column is spliced with the first limit column groove and the second limit column groove, the fixing of the crankshaft seat is completed, the problem of inconvenient installation and disassembly of bolt connection is solved, meanwhile, the detachable connection between the box body base and the crankshaft seat is convenient for production and transportation, and the practicability of the device is improved.

Drawings

Fig. 1 is a schematic cross-sectional view of the overall structure of the present invention.

Fig. 2 is an enlarged schematic view of the structure at a in fig. 1 according to the present invention.

Fig. 3 is a schematic top-down view of the overall structure of the present invention.

Fig. 4 is a perspective view of the movable ring structure of the present invention.

In the figure: 1. a box body base; 2. mounting holes; 3. a crankshaft seat; 31. positioning a plate; 4. a first annular groove; 5. a limiting box; 6. a through groove; 7. a positioning plate slot; 8. a movable ring; 9. a fixing plate; 10. a limiting column; 11. a first limit column groove; 12. a second limit column groove; 13. a connecting rod; 14. a connecting rod slot; 15. a threaded sleeve; 16. a second annular groove; 17. a cylinder mounting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a split-type crankcase for a refrigerator compressor as shown in figures 1-4, which comprises a case base 1, a mounting hole 2 and a crankcase base 3, wherein the lower surface of the case base 1 is provided with the mounting hole 2 for mounting the crankcase base 3, the detachable connection between the case base 1 and the crankcase base 3 is convenient for production and transportation, the practicability of the device is improved, the outer side wall of the crankcase base 3 is fixedly connected with a plurality of positioning plates 31 which are distributed in an annular array, the bottom end notch of the mounting hole 2 is provided with a first annular groove 4, the positioning plates 31 are positioned in the first annular groove 4, the crankshaft base 3 is convenient to be limited, the installation of a worker on the crankshaft base 3 is convenient, the lower surface of the case base 1 is fixedly connected with a limiting box 5, the limiting box 5 is positioned at the outer side of the bottom end of the mounting hole 2, the crankshaft base 3 penetrates through the limiting box 5 and is inserted into the mounting hole 2, the bottom end surface of the limiting box 5 is provided with a through groove 6 matched with the crankshaft seat 3, the groove wall of the through groove 6 is provided with a plurality of positioning plate grooves 7 distributed in an annular array, the positioning plate grooves 7 are matched with the positioning plates 31, so that the crankshaft seat 3 and the positioning plates 31 can be inserted into the limiting box 5 and the mounting holes 2, a movable ring 8 is arranged in the limiting box 5, the movable ring 8 can vertically move in the limiting box 5, the inner wall of the movable ring 8 is fixedly connected with a plurality of fixing plates 9 distributed in an annular array, the fixing plates 9 are arranged in an arc shape, the fixing plates 9 move along with the movement of the movable ring 8, a gap between two adjacent fixing plates 9 is positioned right above the positioning plate grooves 7, the crankshaft seat 3 and the positioning plates 31 can be conveniently inserted and taken out, the crankshaft seat 3 can be conveniently mounted, limited and dismounted, a limiting column 10 is fixedly connected to the middle part of one side surface of the fixing plates 9, which is close to the box body base 1, the movable ring 8 drives the fixed plate 9 and the limiting column 10 to move when moving in the limiting box 5.

Secondly, a first limit post groove 11 matched with a limit post 10 is formed on one side surface of the crank base 3, a plurality of second limit post grooves 12 distributed in an annular array are formed at the top of the first annular groove 4, the second limit post grooves 12 are matched with the limit posts 10, the crank base 3 and the positioning plate 31 are fixed through the insertion connection of the limit posts 10, the first limit post grooves 11 and the second limit post grooves 12, the problem of inconvenient bolt connection installation and disassembly is solved, connecting rods 13 are fixedly connected to two sides of the outer side wall of the movable ring 8, connecting rod grooves 14 matched with the connecting rods 13 are formed in the inner walls of two sides of the limit box 5, the connecting rods 13 can vertically move in the connecting rod grooves 14, one ends, far away from the movable ring 8, of the connecting rods 13 penetrate through the connecting rod grooves 14 and extend to the outer side of the limit box 5, external threads are formed in the outer side wall of the limit box 5, and threaded sleeves 15 are connected to the outer side threads of the limit box 5, the staff can drive threaded sleeve 15 in the vertical removal in the 5 outside of spacing box when rotating threaded sleeve 15, threaded sleeve 15's inner wall top is seted up with the second annular groove 16 of connecting rod 13 looks adaptation, connecting rod 13 extends to inside the one end in the 5 outside of spacing box extends to second annular groove 16, threaded sleeve 15 rotates in the outside of spacing box 5 and moves up and drive the connecting rod 13 of the 16 inside of second annular groove and shift up, cause activity ring 8 at the inside vertical shifting up of spacing box 5, the last fixed surface of box base 1 is connected with cylinder mount pad 17, cylinder mount pad 17 is used for installing the cylinder.

The working principle of the utility model is as follows:

when the device is used, a worker inserts the crankshaft seat 3 into the mounting hole 2 after sequentially penetrating the limiting box 5 and the first annular groove 4, so that the surfaces of the plurality of positioning plates 31 on the outer side of the crankshaft seat 3 are attached to the groove wall of the first annular groove 4 and the crankshaft seat 3 is rotated, the first limiting column groove 11 is coincided with the second limiting column groove 12, then the worker rotates the threaded sleeve 15, the threaded sleeve 15 rotates and moves upwards on the outer side of the limiting box 5, thereby make activity ring 8 at the inside vertical removal of spacing box 5 through connecting rod 13, cause the spacing post 10 of a plurality of fixed plates 9 one side fixed to peg graft with first spacing post groove 11 and the spacing post groove 12 of second, accomplish the fixed to bent axle seat 3, solved the installation that bent axle seat 3 and box base 1 brought through bolted connection's mode and dismantled inconvenient problem, detachable connection between box base 1 and the bent axle seat 3 is convenient for produce and transport simultaneously.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a split type crankcase for refrigerator compressor, includes box base (1), mounting hole (2) and bent axle seat (3), its characterized in that: the lower surface of the box body base (1) is provided with a mounting hole (2) for mounting a crankshaft seat (3), the outer side wall of the crankshaft seat (3) is fixedly connected with a plurality of positioning plates (31) distributed in an annular array, a first annular groove (4) is formed in the bottom notch of the mounting hole (2), the positioning plates (31) are located in the first annular groove (4), the lower surface of the box body base (1) is fixedly connected with a limiting box (5), the limiting box (5) is located on the outer side of the bottom end of the mounting hole (2), the bottom surface of the limiting box (5) is provided with a through groove (6) matched with the crankshaft seat (3), the groove wall of the through groove (6) is provided with a plurality of positioning plate grooves (7) distributed in an annular array, the positioning plate grooves (7) are matched with the positioning plates (31), a movable ring (8) is arranged in the limiting box (5), the inner wall fixedly connected with of activity ring (8) is a plurality of fixed plates (9) that are the annular array and distribute, fixed plate (9) set up to the arc, and are two adjacent space between fixed plate (9) is located locating plate groove (7) directly over, fixed plate (9) are close to spacing post (10) of a side surface middle part fixedly connected with of box base (1).

2. The split crankcase for the compressor of the refrigerator according to claim 1, wherein: the crankshaft seat is characterized in that a first limiting column groove (11) matched with a limiting column (10) is formed in the surface of one side of the crankshaft seat (3), a plurality of second limiting column grooves (12) distributed in an annular array are formed in the top of the first annular groove (4), and the second limiting column grooves (12) are matched with the limiting column (10).

3. The split crankcase for the compressor of the refrigerator according to claim 2, wherein: the equal fixedly connected with connecting rod (13) in lateral wall both sides of activity ring (8), connecting rod groove (14) with connecting rod (13) looks adaptation are all seted up to the both sides inner wall of spacing box (5).

4. The split crankcase for the compressor of the refrigerator according to claim 3, wherein: one end of the connecting rod (13) far away from the movable ring (8) penetrates through the connecting rod groove (14) and extends to the outer side of the limiting box (5), and an external thread is arranged on the outer side wall of the limiting box (5).

5. The split crankcase for the compressor of the refrigerator according to claim 4, wherein: the outer side of the limiting box (5) is in threaded connection with a threaded sleeve (15), and a second annular groove (16) matched with the connecting rod (13) is formed in the top end of the inner wall of the threaded sleeve (15).

6. The split crankcase for the compressor of the refrigerator according to claim 5, wherein: the one end that connecting rod (13) extended to spacing box (5) outside extends to inside second ring channel (16), the last fixed surface of box base (1) is connected with cylinder mount pad (17).