CN115977919B - Supporting structure of double elastic elements of supporting feet of driving unit in refrigerator compressor shell - Google Patents

Abstract

The invention discloses a supporting structure of each supporting leg double-elastic element of a driving unit in a refrigerator compressor shell, which comprises a lower shell and a machine core arranged in the lower shell, wherein an upper shell is arranged at the top of the lower shell, the outer wall of the bottom of the lower shell is fixedly connected with a mounting seat, the outer wall of the bottom of the machine core is fixedly connected with a circular plate, the outer wall of the bottom of the circular plate is fixedly connected with a second fixing seat, the bottom of the second fixing seat is provided with a mounting hole, and the inner wall of the bottom of the lower shell is fixedly connected with a first fixing seat. Compared with the prior compressor, the invention has softer single elastic element, thereby playing a role in damping the compressor, effectively reducing the propagation of the vibration of the core, being beneficial to reducing the vibration in the processes of starting, running and stopping the core of the refrigerator compressor, avoiding the compressor from generating larger noise in the working process, leading the user to obtain better experience, and prolonging the service life of the compressor.

Description

Supporting structure of double elastic elements of supporting feet of driving unit in refrigerator compressor shell

Technical Field

The invention relates to the technical field of compressors, in particular to a supporting structure of double elastic elements of each supporting leg of a driving unit in a refrigerator compressor shell.

Background

Current refrigerator compressors generally comprise a sealed housing and a drive unit (hereinafter collectively referred to as a cartridge) arranged inside the housing, the cartridge having a piston cylinder unit for circulating a compressed refrigerant and a motor stator part for driving the piston cylinder unit. In order to reduce the vibration during the starting, running and stopping of the movement, the movement is usually connected to the housing through an elastic element, the elastic unit is used as a main support of the movement, and allows the movement to deflect within a certain range inside the housing, in general, the harder the elastic element supporting the movement is, the stronger the vibration during the starting, running and stopping of the movement is transmitted to the outside of the housing, so in order to reduce the vibration of the whole machine outside the compressor housing, the elastic element is generally required to be designed to be relatively softer.

The existing refrigerator compressor core is generally provided with a three-foot support or four-foot support structure, and each support foot is generally supported by a single elastic element, so that the single elastic element below the support foot is harder, a good damping effect cannot be achieved in the working process of the compressor, the service life of the whole compressor can be reduced, meanwhile, larger noise can be generated, and the use requirements of people cannot be met. Accordingly, there is a need for a dual resilient member support structure for each leg of a drive unit within a refrigerator compressor housing that addresses the above-described issues.

Disclosure of Invention

In order to solve the problems in the related art, the present invention provides a supporting structure for dual elastic elements of each leg of a driving unit inside a compressor housing of a refrigerator, so as to overcome the above-mentioned technical problems in the related art.

The technical scheme of the invention is realized as follows:

the utility model provides a two elastic element bearing structure of each spike of inside drive unit of refrigerator compressor casing, including lower casing with set up in the inside core of casing down, the top of casing is provided with the casing down, the bottom outer wall fixedly connected with mount pad of lower casing, the bottom outer wall fixedly connected with plectane of core, the bottom outer wall fixedly connected with second fixing base of plectane, the mounting hole has been seted up to the bottom of second fixing base, the bottom inner wall fixedly connected with first fixing base of lower casing, the circumference inner wall fixedly connected with third fixing base of first fixing base, the circumference inner wall fixedly connected with dead lever of third fixing base, the one end of dead lever extends to the one end of first fixing base, the circumference outer wall of first fixing base has cup jointed the second spring, the second spring is kept away from the one end of dead lever extends to the inside of second fixing base, first mounting groove has been seted up to the one side outer wall of plectane, the inside joint of first mounting groove has first spring.

Further, one side outer wall fixedly connected with sleeve pipe of plectane, sheathed tube inside is provided with the telescopic link, the telescopic link is kept away from sheathed tube one end fixedly connected with connecting plate, the second mounting groove has been seted up to the bottom of connecting plate, the second spring is located the inside one end joint of second fixing base is in the inside of second mounting groove, sheathed tube one end is provided with the bearing frame, the circumference outer wall of telescopic link with the circumference inner wall of bearing frame contacts.

Further, the one end of telescopic link is provided with the piston, sheathed tube inside is provided with the oil storage chamber, sheathed tube inside is filled with hydraulic oil, the inside of oil storage chamber is filled with hydraulic oil and nitrogen gas, the bottom chamber has been seted up to sheathed tube bottom, first logical groove and second logical groove have been seted up to the circumference outer wall of piston, the circumference outer wall fixedly connected with first solid fixed ring and the second solid fixed ring of telescopic link, first solid fixed ring and second solid fixed ring are located respectively the upper and lower part of piston, the bottom outer wall fixedly connected with fourth spring of first solid fixed ring, the one end fixedly connected with of fourth spring is used for right second through groove sealed second closing plate, the top outer wall fixedly connected with fifth spring of second closing plate, the top fixedly connected with of fifth spring is used for right the third closing plate that first logical groove was sealed.

Further, the inside fixedly connected with base of sheathed tube, the third tee bend groove has been seted up to the bottom of base, the inside fixedly connected with locating lever of base, the bottom outer wall fixedly connected with third spring of locating lever, the bottom fixedly connected with of third spring is used for right the first closing plate that the third tee bend groove sealed.

Further, an oil guiding groove is formed in the sleeve, and the oil storage cavity is communicated with the bottom cavity through the oil guiding groove.

Further, the circumference outer wall fixedly connected with stopper of telescopic link, the stopper with sheathed tube circumference inner wall contacts.

Further, the outside of dead lever is provided with the regulating plate, the third mounting groove has been seted up at the top of regulating plate, the bottom joint of second spring is in the inside of third mounting groove.

Further, the external thread is arranged on the circumferential outer wall of the fixing rod, the internal thread is arranged on the circumferential inner wall of the adjusting plate, and the external thread is meshed with the internal thread.

Further, a sealing groove and an annular groove are formed in one side of the telescopic rod, a sealing gasket is arranged in the sealing groove, a sealing ring is arranged in the annular groove, and the sealing ring is fixedly connected with the sealing gasket.

The invention has the beneficial effects that:

according to the supporting structure of each supporting leg double elastic element of the driving unit in the refrigerator compressor shell, provided by the invention, the first spring, the second spring, the first fixing seat and the second fixing seat are arranged, so that the refrigerator compressor core structure is effectively combined, a specific supporting leg is designed into a double elastic unit supporting structure by a single elastic element supporting structure, namely, the first spring and the second spring are mutually assisted, so that the stress of the supporting leg can be shared by two elastic elements, the double elastic elements can be designed to be softer than a single elastic element in the original compressor, the vibration reduction effect of the compressor is achieved, the propagation of vibration of the core can be effectively reduced, the vibration in the starting, running and stopping processes of the refrigerator compressor core is reduced, the compressor is prevented from generating larger noise in the working process, a user obtains better experience, and meanwhile, the service life of the compressor is prolonged.

According to the supporting structure of the double elastic elements of each supporting leg of the driving unit in the refrigerator compressor shell, through the sleeve, the telescopic rod and the piston, in the process of damping the compressor by the two elastic elements below the movement, the telescopic rod fixedly connected with the connecting plate can drive the piston to do telescopic motion in the sleeve, in the process of compressing the telescopic rod into the sleeve, the second sealing plate positioned at the top of the piston can receive upward thrust, so that the second sealing plate is opened, hydraulic oil in the sleeve can be pressed into the top of the piston from the bottom of the second through groove in the process of opening the second sealing plate, the first sealing plate is opened, so that hydraulic oil in the oil storage cavity can be transferred into the sleeve, therefore, in the process of pressing down the telescopic rod, damping and buffering of the connecting plate can be achieved by the first sealing plate and the second sealing plate, meanwhile, in the process of pumping up the telescopic rod, the third sealing plate positioned below the piston is subjected to downward reaction force in the sleeve, so that the third sealing plate and the first sealing plate can be pressed open, in the whole process of pumping the second sealing plate, the damping effect of the movement can be further improved by the first sealing plate and the second sealing plate, and the damping effect of the damping element can be further achieved by the second sealing plate.

According to the supporting structure of the double elastic elements of each supporting leg of the driving unit in the refrigerator compressor shell, provided by the invention, through the adjusting plate, the internal threads and the external threads, a worker can rotate the adjusting plate according to compressors with different powers in the process of installing the two elastic elements, and the adjusting plate is connected with the fixing rod through the threads, so that the height of the adjusting plate can be adjusted in the process of rotating the adjusting plate by the worker, the compression degree of the second spring is further adjusted, the second spring is in compression states with different degrees in compressors with different powers, the application range of the device is enlarged, and the two elastic elements can be in an optimal damping state.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an overall split structure of the present invention.

Fig. 2 is a schematic view of the overall half-sectional plan structure of the present invention.

FIG. 3 is a schematic view of a first spring mounting structure of the present invention.

Fig. 4 is a schematic view of a first spring split structure according to the present invention.

Fig. 5 is a schematic diagram of a split bottom view structure of a second fixing base and a first fixing base of the present invention.

Fig. 6 is a schematic diagram illustrating a split top view structure of the second fixing base and the first fixing base of the present invention.

Fig. 7 is a schematic cross-sectional plan view of a sleeve according to the present invention.

Fig. 8 is an enlarged schematic view of the structure of fig. 7 a according to the present invention.

Fig. 9 is a schematic view of a half-section of a sleeve according to the present invention.

Fig. 10 is an enlarged schematic view of the structure of fig. 9B according to the present invention.

Fig. 11 is an enlarged schematic view of the structure of fig. 9C according to the present invention.

In the figure:

1. an upper housing; 2. a movement; 3. a lower housing; 4. a mounting base; 5. a positioning rod; 6. a first spring; 7. a first fixing seat; 8. a fixed rod; 9. a second spring; 10. a mounting hole; 11. the second fixing seat; 12. a circular plate; 13. a first mounting groove; 14. a sleeve; 15. a connecting plate; 16. a second mounting groove; 17. an adjusting plate; 18. an internal thread; 19. an external thread; 20. a third fixing seat; 21. a third mounting groove; 22. a telescopic rod; 23. a limiting block; 24. a first through groove; 25. a second through slot; 26. an oil storage chamber; 27. a third through slot; 28. a third spring; 29. a base; 30. a first sealing plate; 31. an oil guiding groove; 32. sealing grooves; 33. a sealing gasket; 34. a seal ring; 35. a bearing seat; 36. a fourth spring; 37. a second sealing plate; 38. a first fixing ring; 39. a piston; 40. a third sealing plate; 41. a fifth spring; 42. a second fixing ring; 43. a bottom cavity.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are derived by a person skilled in the art based on the embodiments of the invention, fall within the scope of protection of the invention.

Examples

Referring to fig. 1-11, a supporting structure for each supporting leg of a driving unit in a compressor housing of a refrigerator comprises a lower housing 3 and a movement 2 arranged in the lower housing 3, wherein an upper housing 1 is arranged at the top of the lower housing 3, a mounting seat 4 is fixedly connected to the outer wall of the bottom of the lower housing 3, a circular plate 12 is fixedly connected to the outer wall of the bottom of the movement 2, a second fixing seat 11 is fixedly connected to the outer wall of the bottom of the circular plate 12, a mounting hole 10 is formed in the bottom of the second fixing seat 11, a first fixing seat 7 is fixedly connected to the inner wall of the bottom of the lower housing 3, a third fixing seat 20 is fixedly connected to the inner wall of the circumference of the first fixing seat 7, a fixing rod 8 is fixedly connected to the inner wall of the circumference of the third fixing seat 20, one end of the fixing rod 8 extends to one end of the first fixing seat 7, a second spring 9 is sleeved on the outer wall of the circumference of the first fixing seat 7, the second spring 9 extends to the inside of the second fixing seat 11 far away from one end of the fixing rod 8, the first mounting groove 13 is formed in the outer wall of one side of the circular plate 12, the first spring 6 is clamped in the first mounting groove 13, the refrigerator compressor core structure is effectively combined, a specific supporting leg is designed into a double-elastic unit supporting structure by a single elastic element supporting structure, namely, the first spring 6 and the second spring 9 are mutually assisted, so that the stress of the supporting leg can be shared by two elastic elements, the double-elastic element can be designed to be softer than a single elastic element in the original compressor, thereby playing a vibration reduction role of the compressor, effectively reducing the propagation of vibration of the core 2, being beneficial to reducing the vibration in the starting, running and stopping processes of the refrigerator compressor core 2, avoiding the larger noise generated in the working process of the compressor, enabling a user to obtain better experience, and the service life of the compressor is prolonged.

Preferably, the one side outer wall fixedly connected with sleeve pipe 14 of plectane 12, the inside of sleeve pipe 14 is provided with telescopic link 22, the one end fixedly connected with connecting plate 15 of sleeve pipe 14 is kept away from to telescopic link 22, second mounting groove 16 has been seted up to the bottom of connecting plate 15, the one end joint that second spring 9 is located the inside of second fixing base 11 is in the inside of second mounting groove 16, the one end of sleeve pipe 14 is provided with bearing frame 35, the circumference outer wall of telescopic link 22 contacts with the circumference inner wall of bearing frame 35, can play certain direction spacing effect to telescopic link 22's telescopic motion through bearing frame 35, it can vertical motion all the time to have guaranteed telescopic link 22.

Preferably, a piston 39 is arranged at one end of the telescopic rod 22, an oil storage cavity 26 is arranged in the sleeve 14, hydraulic oil and nitrogen are filled in the oil storage cavity 26, a bottom cavity 43 is arranged at the bottom of the sleeve 14, a first through groove 24 and a second through groove 25 are arranged on the circumferential outer wall of the piston 39, a first fixing ring 38 and a second fixing ring 42 are fixedly connected to the circumferential outer wall of the telescopic rod 22, the first fixing ring 38 and the second fixing ring 42 are respectively positioned above and below the piston 39, a fourth spring 36 is fixedly connected to the bottom outer wall of the first fixing ring 38, a second sealing plate 37 for sealing the second through groove 25 is fixedly connected to one end of the fourth spring 36, a fifth spring 41 is fixedly connected to the top outer wall of the second sealing plate 37, a third sealing plate 40 for sealing the first through groove 24 is fixedly connected to the top of the fifth spring 41, the inside fixedly connected with base 29 of sleeve pipe 14, the third tee bend groove 27 has been seted up to the bottom of base 29, the inside fixedly connected with locating lever 5 of base 29, the bottom outer wall fixedly connected with third spring 28 of locating lever 5, the bottom fixedly connected with of third spring 28 is used for carrying out sealed first closing plate 30 to third tee bend groove 27, the inside of sleeve pipe 14 has been seted up oil groove 31, oil storage cavity 26 is linked together with bottom chamber 43 through oil groove 31, the circumference outer wall fixedly connected with stopper 23 of telescopic link 22, stopper 23 contacts with the circumference inner wall of sleeve pipe 14, in the process that two elastic element below core 2 carries out the shock attenuation to the compressor, telescopic link 22 fixedly connected with connecting plate 15 also can drive piston 39 and do telescopic motion in sleeve pipe 14 inside, in the process that telescopic link 22 compresses to sleeve pipe 14 inside, the second closing plate 37 at piston 39 top can receive ascending thrust, therefore, the second sealing plate 37 is opened, hydraulic oil in the sleeve 14 can be pressed into the top of the piston 39 from the bottom of the second through groove 25 in the process of opening the second sealing plate 37, so that the first sealing plate 30 is opened, hydraulic oil in the oil storage cavity 26 can be transferred into the sleeve 14, therefore, in the process of pressing down the telescopic rod 22, the damping buffer of the connecting plate 15 can be realized through the throttling of the first sealing plate 30 and the second sealing plate 37 on the hydraulic oil, meanwhile, in the process of pumping up the telescopic rod 22, the third sealing plate 40 below the piston 39 is subjected to downward reaction force of the hydraulic oil in the sleeve 14, so that the third sealing plate 40 and the first sealing plate 30 can be pressed open, and in the whole process of pumping up the telescopic rod 22, the damping buffer of the connecting plate 15 can be realized through the throttling of the first sealing plate 30 and the third sealing plate 40, and the damping effect of two elastic elements below the movement is further improved.

Examples

Referring to fig. 5 and 6, compared with embodiment 1, the present embodiment further includes a third mounting groove 21 provided at the top of the adjusting plate 17, the bottom end of the second spring 9 is clamped inside the third mounting groove 21, the outer wall of the circumference of the fixing rod 8 is provided with an external thread 19, the inner wall of the circumference of the adjusting plate 17 is provided with an internal thread 18, the external thread 19 and the internal thread 18 are meshed with each other, a worker can rotate the adjusting plate 17 according to compressors with different powers in the process of installing two elastic elements, and since the adjusting plate 17 is connected with the fixing rod 8 through threads, the height of the adjusting plate can be adjusted in the process of rotating the adjusting plate 17 by the worker, and then the compression degree of the second spring 9 is also adjusted, so that the second spring 9 is in compression states with different degrees in compressors with different powers, the application range of the device is enlarged, and the two elastic elements can be in the best damping state.

Examples

Referring to fig. 7 and 8, compared with embodiments 1 and 2, the present embodiment further includes a sealing groove 32 and an annular groove provided at one side of the telescopic rod 22, a sealing gasket 33 is provided in the sealing groove 32, a sealing ring 34 is provided in the annular groove, the sealing ring 34 is fixedly connected with the sealing gasket 33, and oil leakage and other situations in the damping process can be effectively avoided through the sealing ring 34 and the sealing gasket 33 provided in the sleeve 14.

In summary, by means of the above technical solution of the present invention, the present invention effectively combines with the refrigerator compressor core structure, designs the specific supporting leg to be a dual elastic unit supporting structure by a single elastic element supporting structure, that is, the first spring 6 and the second spring 9 assist each other, so that the stress of the supporting leg can be shared by two elastic elements, so that the dual elastic elements can be designed to be softer than the single elastic element in the original compressor, thereby playing a role of vibration reduction of the compressor, effectively reducing the propagation of vibration of the refrigerator compressor core 2, being beneficial to reducing the vibration in the starting, running and stopping processes of the refrigerator compressor 2, avoiding the compressor from generating larger noise in the working process, enabling the user to obtain better experience, and simultaneously prolonging the service life of the compressor, in the process of vibration reduction of the compressor by the two elastic elements under the core 2, the telescopic rod 22 fixedly connected with the connecting plate 15 can also drive the piston 39 to do telescopic motion in the sleeve 14, in the process of compressing the telescopic rod 22 into the sleeve 14, the second sealing plate 37 positioned at the top of the piston 39 can be pushed upwards, so that the second sealing plate 37 is opened, in the process of opening the second sealing plate 37, hydraulic oil in the sleeve 14 can be pressed into the top of the piston 39 from the bottom of the second through groove 25, so that the first sealing plate 30 is opened, thereby transferring the hydraulic oil in the oil storage cavity 26 into the sleeve 14, therefore, in the process of pressing the telescopic rod 22, the damping and buffering of the connecting plate 15 can be realized through the throttling of the hydraulic oil by the first sealing plate 30 and the second sealing plate 37, meanwhile, in the process of pumping the telescopic rod 22 upwards, the third sealing plate 40 positioned below the piston 39 is subjected to downward reaction force of the hydraulic oil in the sleeve 14, therefore, the third sealing plate 40 and the first sealing plate 30 can be opened by pressing, the hydraulic oil is throttled by the first sealing plate 30 and the third sealing plate 40 in the whole process of drawing the telescopic rod 22, the damping buffer to the connecting plate 15 can be realized, the damping effect of two elastic elements below the movement is further improved, a worker can rotate the adjusting plate 17 according to compressors with different powers in the process of installing the two elastic elements, and the adjusting plate 17 is connected with the fixed rod 8 through threads, so that the height of the adjusting plate 17 can be adjusted in the process of rotating the adjusting plate 17 by the worker, the compression degree of the second spring 9 is adjusted, the second spring 9 is in compression states with different degrees in the compressors with different powers, the application range of the device is enlarged, and the two elastic elements can be in the optimal damping state.

The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (4)

1. The utility model provides a refrigerator compressor casing inside drive unit each spike double elastic element bearing structure, its characterized in that, including lower casing (3) and set up in core (2) inside lower casing (3), the top of lower casing (3) is provided with casing (1), the bottom outer wall fixedly connected with mount pad (4) of lower casing (3), the bottom outer wall fixedly connected with plectane (12) of core (2), the bottom outer wall fixedly connected with second fixing base (11) of plectane (12), mounting hole (10) have been seted up to the bottom of second fixing base (11), the bottom inner wall fixedly connected with first fixing base (7) of lower casing (3), the circumference inner wall fixedly connected with third fixing base (20) of first fixing base (7), the circumference inner wall fixedly connected with dead lever (8) of third fixing base (20), the one end of dead lever (8) extends to the one end of first fixing base (7), the circumference outer wall of first fixing base (7) cup joints first spring (6), second spring (9) are kept away from the circumference of first fixing base (7) and are installed in the inside groove (13) of first fixing base (13), the bottom outer wall fixedly connected with sleeve pipe (14) of plectane (12), the inside of sleeve pipe (14) is provided with telescopic link (22), the one end fixedly connected with connecting plate (15) of telescopic link (22) keep away from sleeve pipe (14), second mounting groove (16) have been seted up to the bottom of connecting plate (15), second spring (9) are located the inside one end joint of second fixing base (11) is in the inside of second mounting groove (16), the one end of sleeve pipe (14) is provided with bearing frame (35), the circumference outer wall of telescopic link (22) with the circumference inner wall of bearing frame (35) contacts, the one end of telescopic link (22) is provided with piston (39), the inside of sleeve pipe (14) is provided with oil storage chamber (26), the inside packing of sleeve pipe (14) has hydraulic oil and nitrogen gas, bottom chamber (43) have been seted up to the bottom of sleeve pipe (14), set up first logical groove (24) and second through groove (25) on piston (39) and second solid fixed ring (42) are located respectively on piston (38) the circumference inner wall of sleeve pipe (14), the top fixedly connected with fourth spring (36) of first solid fixed ring (38), the one end fixedly connected with of fourth spring (36) is used for right second through groove (25) sealed second closing plate (37), the bottom outer wall fixedly connected with fifth spring (41) of second solid fixed ring (42), the one end fixedly connected with of fifth spring (41) is used for right first through groove (24) is sealed third closing plate (40), the inside fixedly connected with base (29) of sleeve pipe (14), third through groove (27) have been seted up to the bottom of base (29), the inside fixedly connected with locating lever (5) of base (29), the top fixedly connected with third spring (28) of locating lever (5), the one end fixedly connected with of third spring (28) is used for right first closing plate (30) that third through groove (27) sealed, oil guide groove (31) have been seted up to the inside of sleeve pipe (14), oil storage chamber (26) are passed through oil guide groove (31) with bottom (43) are linked together.

2. The supporting structure of each supporting leg double-elastic element of a driving unit in a refrigerator compressor shell according to claim 1, wherein a limiting block (23) is fixedly connected to the outer circumferential wall of the telescopic rod (22), and the limiting block (23) is in contact with the inner circumferential wall of the sleeve (14).

3. The supporting structure of each supporting leg double-elastic element of the driving unit inside the refrigerator compressor shell according to claim 1, wherein an adjusting plate (17) is arranged outside the fixing rod (8), a third mounting groove (21) is formed in the top of the adjusting plate (17), and the bottom end of the second spring (9) is clamped inside the third mounting groove (21).

4. A supporting structure for each leg double elastic element of a driving unit in a refrigerator compressor housing according to claim 3, wherein the outer wall of the circumference of the fixing rod (8) is provided with an external thread (19), the inner wall of the circumference of the adjusting plate (17) is provided with an internal thread (18), and the external thread (19) is meshed with the internal thread (18).