Compressor noise reduction spring bushing structure

Abstract

The utility model relates to the technical field of spring bushings, and discloses a compressor noise reduction spring bushing structure which comprises a lower bushing, an upper bushing and an elastic supporting piece, and the elastic supporting piece is installed at the bottom of a compressor. According to the noise reduction spring bushing structure of the compressor, the ends, close to the middle portions, of the lower supporting and positioning springs and the upper supporting and positioning springs contract inwards, so that the buffering effect can be achieved when the compressor generates vibration in the horizontal direction, the buffering and damping effects are improved, and the protection effect on equipment is improved; when the bottom end of the upper supporting and positioning spring and the top end of the lower supporting and positioning spring transversely deviate for buffering, the bottom end of the upper supporting and positioning spring and the top end of the lower supporting and positioning spring do not directly rub with a lower bush boss, an upper bush boss and a connecting sleeve piece when transversely deviate through the design effect of inward contraction, and therefore buffering is achieved. Therefore, noise generated by friction can be reduced, mechanical loss generated by friction can be reduced, and the service life of equipment is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to spring bush technical field, concretely is a compressor noise reduction spring bush structure. BACKGROUND

[0002] Spring bush absorbs mechanical vibration produced when the compressor is running through elastic deformation, reduces vibration transmission to surrounding structure or equipment, thereby effectively reduces operation noise, spring bush can also reduce wear and tear of key components through reducing vibration and friction, thereby prolongs the service life of compressor and related parts. UTILITY MODEL CONTENTS

[0003] (I) technical problem solved

[0004] In view of the prior art, the utility model provides a compressor noise reduction spring bush structure, solves the problem of poor horizontal vibration reduction effect and large noise.

[0005] (II) technical scheme

[0006] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a compressor noise reduction spring bush structure, including lower bush, upper bush and elastic support piece, the elastic support piece is installed with compressor bottom, and the elastic support piece for buffering and reducing noise is arranged between lower bush and upper bush, and the lower bush is arranged at the bottom of the elastic support piece.

[0007] The elastic support piece includes lower support spring, connecting sleeve and upper support spring, the bottom end of the lower support spring supported and positioned by the bottom is sleeved with the lower bush, the upper support spring supported and positioned by the top is installed below the upper bush, the connecting sleeve for preventing misplacement of the lower bush and the upper bush is sleeved between the top end of the lower bush and the bottom end of the upper bush, the top end of the lower bush is installed with the connecting sleeve, and the bottom end of the upper bush is installed with the connecting sleeve.

[0008] Preferably, the lower bush further includes lower support seat, lower limit boss and lower bush boss, the lower support seat for supporting the bottom end of the lower support spring is opened at the bottom position of the lower bush, the lower limit boss for supporting and positioning the bottom end of the lower support spring is opened at the middle position of the lower bush, and the lower bush boss is opened at the top position of the lower bush.

[0009] Preferably, the lower support spring comprises a lower spring holder and a lower support positioning spring, the lower spring holder is mounted at the bottom end of the lower support seat, the lower spring holder is sleeved outside the lower limiting boss, and the upper end of the lower support positioning spring is inwardly retracted.

[0010] Preferably, the upper support seat, the upper limiting boss and the upper sleeve boss are arranged on the upper sleeve, the upper support seat is arranged at the top of the upper sleeve and is used for supporting the top end of the upper support spring, the upper limiting boss is arranged at the middle of the upper sleeve and is used for supporting and positioning the top end of the upper support spring, and the upper sleeve boss is arranged at the bottom of the upper sleeve.

[0011] Preferably, the upper support spring comprises an upper spring holder and an upper support positioning spring, the upper spring holder is mounted at the top end of the upper support seat, and the upper spring holder is sleeved outside the upper limiting boss.

[0012] Preferably, the connecting sleeve assembly comprises a positioning sleeve assembly and a mounting ring seat, the positioning sleeve assembly is sleeved outside the lower sleeve boss and the upper sleeve boss, and the mounting ring seat is mounted on the outer wall of the positioning sleeve assembly.

[0013] Preferably, the top end of the lower sleeve boss is provided with a positioning boss used for auxiliary positioning when being retracted, the bottom end of the upper sleeve boss is provided with a positioning groove used for auxiliary positioning when being retracted, and the positioning boss and the positioning groove are matched.

[0014] Compared with the prior art, the compressor noise reduction spring sleeve structure has the following beneficial effects:

[0015] 1. The compressor noise reduction spring sleeve structure, the middle end of the lower support positioning spring and the upper support positioning spring is inwardly retracted, so that the horizontal vibration of the compressor can be buffered, the buffering and damping effect is improved, and the protection effect on the equipment is improved.

[0016] 2. The compressor noise reduction spring sleeve structure, when the bottom end of the upper support positioning spring and the top end of the lower support positioning spring are horizontally offset for buffering, the inwardly retracted design effect makes the bottom end of the upper support positioning spring and the top end of the lower support positioning spring not directly rub against the lower sleeve boss, the upper sleeve boss and the connecting sleeve assembly when being horizontally offset, so that the noise generated by friction can be reduced, the mechanical loss caused by friction can be reduced, and the service life of the equipment is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic view of the utility model;

[0018] Figure 2The utility model discloses a sectional view structure schematic diagram;

[0019] Figure 3 The utility model discloses a connecting sleeve structure schematic diagram;

[0020] Figure 4 The utility model discloses a upper support spring and lower support spring structure schematic diagram.

[0021] Among them: 1, lower bushing;11, lower support seat;12, lower limit boss;13, lower bushing boss;14, positioning boss;15, positioning recess;2, upper bushing;21, upper support seat;22, upper limit boss;23, upper bushing boss;3, elastic support part;31, lower support spring;32, connecting sleeve;33, upper support spring;34, positioning sleeve;35, mounting ring seat;36, lower spring holder;37, lower support positioning spring;38, upper spring holder;39, upper support positioning spring. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0023] Please refer to Figures 1-4 The utility model provides a kind of compressor noise reduction spring bushing structure, including lower bushing 1, upper bushing 2 and elastic support part 3, elastic support part 3 is installed with compressor bottom, and the elastic support part 3 for buffering noise reduction is arranged between lower bushing 1 and upper bushing 2, lower bushing 1 is arranged at the bottom of elastic support part 3;

[0024] Elastic support part 3 includes lower support spring 31, connecting sleeve 32 and upper support spring 33, the bottom end of lower support spring 31 supported and positioned by bottom is sleeved with lower bushing 1, upper support spring 33 supported and positioned by top is installed below upper bushing 2, for preventing the dislocation of lower bushing 1 and upper bushing 2 connecting sleeve 32 is sleeved between the top end of lower bushing 1 and the bottom end of upper bushing 2, lower bushing 1 top end is installed with connecting sleeve 32, the bottom end of upper bushing 2 is installed with connecting sleeve 32, and vertical elastic support is carried out by the cooperation of lower support spring 31, connecting sleeve 32 and upper support spring 33.

[0025] Further, the lower bushing 1 further comprises a lower support seat 11, a lower limiting boss 12 and a lower bushing boss 13. The lower support seat 11 for supporting the bottom end of the lower support spring 31 is arranged at the bottom of the lower bushing 1. The lower limiting boss 12 for supporting and positioning the bottom end of the lower support spring 31 is arranged at the middle of the lower bushing 1. The lower bushing boss 13 is arranged at the top of the lower bushing 1. The inner side of the lower bushing 1 is further provided with a bushing through hole. The lower bushing 1 is installed and fixed by the stud passing through the bushing through hole.

[0026] Further, the lower support spring 31 comprises a lower spring clamping seat 36 and a lower support positioning spring 37. The bottom end of the lower spring clamping seat 36 is installed with the top of the lower support seat 11. The lower spring clamping seat 36 is sleeved outside the lower limiting boss 12. The upper end of the lower support positioning spring 37 is inwardly contracted. The lower support positioning spring 37 extends above the lower bushing 1. The bottom end of the lower support spring 31 is positioned by the lower spring clamping seat 36 sleeved outside the lower limiting boss 12. The upper end of the lower support positioning spring 37 is inwardly contracted to prevent the inner side of the bushing from directly contacting the lower support positioning spring 37 to generate wear when performing horizontal displacement for elastic support.

[0027] Further, the upper bushing 2 further comprises an upper support seat 21, an upper limiting boss 22 and an upper bushing boss 23. The upper support seat 21 for supporting the top end of the upper support spring 33 is arranged at the top of the upper bushing 2. The upper limiting boss 22 for supporting and positioning the top end of the upper support spring 33 is arranged at the middle of the upper bushing 2. The upper bushing boss 23 is arranged at the bottom of the upper bushing 2. The top end of the elastic support member 3 is supported and connected by the upper bushing 2.

[0028] Further, the upper support spring 33 comprises an upper spring clamping seat 38 and an upper support positioning spring 39. The top end of the upper spring clamping seat 38 is installed with the bottom of the upper support seat 21. The upper spring clamping seat 38 is sleeved outside the upper limiting boss 22. The lower end of the upper support positioning spring 39 is inwardly contracted. The upper support positioning spring 39 can prevent the inner side of the bushing from directly contacting the upper support positioning spring 39 to generate wear when performing horizontal elastic support displacement.

[0029] Further, the connecting sleeve member 32 comprises a positioning sleeve member 34 and an installation ring seat 35. The positioning sleeve member 34 is sleeved outside the lower bushing boss 13 and the upper bushing boss 23. The installation ring seat 35 is installed with the outer wall of the positioning sleeve member 34. The movement range of the horizontal offset buffer is limited by the positioning sleeve member 34. The bottom end of the upper support positioning spring 39 is installed with the top of the installation ring seat 35. The top end of the lower support positioning spring 37 is installed with the bottom of the installation ring seat 35.

[0030] Further, the top end of the lower bushing boss 13 is provided with a positioning boss 14 for assisting positioning when being contracted, the bottom end of the upper bushing boss 23 is provided with a positioning groove 15 for assisting positioning when being contracted, the positioning boss 14 and the positioning groove 15 are matched, the maximum contraction distance of the lower supporting spring 31 and the upper supporting spring 33 is greater than the distance between the bottom end of the upper bushing boss 23 and the top end of the lower bushing boss 13, when the upper bushing 2 is subjected to excessive pressure, the bottom end of the upper bushing boss 23 is clamped with the positioning boss 14 of the top end of the lower bushing boss 13 through the positioning groove 15, the cooperation of the positioning boss 14 and the positioning groove 15 can make the upper bushing 2 reset to the middle position, preventing the large deviation pressure from causing damage to the components.

[0031] In use, when the compressor produces longitudinal vibration, the damping effect can be achieved by compressing the lower supporting spring 31 and the upper supporting spring 33 downward, and if there is horizontal vibration, the upper supporting spring 33 and the lower supporting spring 31 can realize the horizontal damping function through the small amplitude deformation in the horizontal direction, and when the lower supporting spring 31 and the upper supporting spring 33 are deformed in the horizontal direction, the lower supporting spring 31 and the connecting sleeve 32 are designed in a conical shape, so that the inner bushing will not directly contact the lower supporting positioning spring 37 and the upper supporting positioning spring 39 of the elastic supporting part, thereby preventing friction noise caused by contact, and reducing the contact friction also reduces the wear of the lower supporting positioning spring 37 and the upper supporting positioning spring 39, thereby improving the service life.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A compressor noise reduction spring bushing structure comprising a lower bushing (1), an upper bushing (2) and an elastic support member (3), characterized in that: The elastic support (3) is mounted at the bottom of the compressor, and the elastic support (3) for buffering and noise reduction is arranged between the lower bushing (1) and the upper bushing (2), and the lower bushing (1) is arranged at the bottom of the elastic support (3); The elastic support (3) comprises a lower support spring (31), a connecting sleeve (32) and an upper support spring (33), the lower end of the lower support spring (31) supported and positioned by the bottom is sleeved with the lower bushing (1), the upper support spring (33) supported and positioned by the top is arranged below the upper bushing (2), and the connecting sleeve (32) for preventing dislocation of the lower bushing (1) and the upper bushing (2) is sleeved between the top end of the lower bushing (1) and the bottom end of the upper bushing (2), the top end of the lower bushing (1) is arranged with the connecting sleeve (32), and the bottom end of the upper bushing (2) is arranged with the connecting sleeve (32).

2. The noise-reducing spring bushing structure for a compressor according to claim 1, characterized by: The lower bushing (1) further comprises a lower support seat (11), a lower limiting boss (12) and a lower bushing boss (13), the lower support seat (11) for supporting the bottom end of the lower support spring (31) is arranged at the bottom of the lower bushing (1), and the lower limiting boss (12) for supporting and positioning the bottom end of the lower support spring (31) is arranged at the middle of the lower bushing (1), and the lower bushing boss (13) is arranged at the top of the lower bushing (1).

3. The noise reducing spring bushing structure for a compressor of claim 2, wherein: The lower support spring (31) comprises a lower spring clamping seat (36) and a lower support positioning spring (37), the bottom end of the lower spring clamping seat (36) is arranged with the top of the lower support seat (11), the lower spring clamping seat (36) is sleeved outside the lower limiting boss (12), the upper end of the lower support positioning spring (37) is inwardly retracted, and the lower support positioning spring (37) extends above the lower bushing (1).

4. The noise reducing spring bushing structure for a compressor of claim 2, wherein: The upper bushing (2) further comprises an upper support seat (21), an upper limiting boss (22) and an upper bushing boss (23), the upper support seat (21) for supporting the top end of the upper support spring (33) is arranged at the top of the upper bushing (2), the upper limiting boss (22) for supporting and positioning the top end of the upper support spring (33) is arranged at the middle of the upper bushing (2), and the upper bushing boss (23) is arranged at the bottom of the upper bushing (2).

5. The compressor noise reducing spring bushing structure of claim 4, wherein: The upper support spring (33) comprises an upper spring clamping seat (38) and an upper support positioning spring (39), the top end of the upper spring clamping seat (38) is arranged with the bottom of the upper support seat (21), the upper spring clamping seat (38) is sleeved outside the upper limiting boss (22), and the lower end of the upper support positioning spring (39) is inwardly retracted.

6. The noise reducing spring bushing structure for a compressor of claim 4, wherein: The connecting sleeve (32) comprises a positioning sleeve (34) and a mounting ring seat (35), the positioning sleeve (34) is sleeved outside the lower bushing boss (13) and the upper bushing boss (23), and the mounting ring seat (35) is arranged with the outer wall of the positioning sleeve (34).

7. The noise reducing spring bushing structure for a compressor of claim 4, wherein: The top end of the lower bushing boss (13) is provided with a positioning boss (14) for assisting positioning during shrinkage, and the bottom end of the upper bushing boss (23) is provided with a positioning groove (15) for assisting positioning during shrinkage, and the positioning boss (14) and the positioning groove (15) are matched.

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