CN215378670U - Balance block of refrigerator compressor - Google Patents
Balance block of refrigerator compressor Download PDFInfo
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- CN215378670U CN215378670U CN202121860857.2U CN202121860857U CN215378670U CN 215378670 U CN215378670 U CN 215378670U CN 202121860857 U CN202121860857 U CN 202121860857U CN 215378670 U CN215378670 U CN 215378670U
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Abstract
The utility model provides a refrigerator compressor balance block, which belongs to the technical field of compressors and comprises a balance block body, wherein a resistance reducing block is arranged at the top end of the balance block body and used for reducing power loss generated by air resistance during operation of the balance block body and improving the operation efficiency; the side of balancing piece body is equipped with first additional dress board and second and installs the board additional, first additional dress board and second install the inboard stable splint that are equipped with additional, stable splint are used for reinforcing the fixed strength of balancing piece body and promote the reliability of balancing piece body at the during operation, stable splint are driven by gear drive assembly, gear drive assembly locates the second and installs the inboard additional, make fixing on the surface of rotor that the balancing piece can be better, increase the reliability of balancing piece, can make unbalanced centrifugal force can not act on motor bearing through the stable balancing piece of installation, reduce motor bearing's wearing and tearing, increase motor bearing's life.
Description
Technical Field
The utility model belongs to the technical field of compressors, and particularly relates to a refrigerator compressor balance block.
Background
In the existing compressor, the refrigerant gas is compressed by utilizing the eccentric rotation of a rotor, and the compressor is severely vibrated due to unbalanced moment generated by the eccentric rotation, so that balance blocks are required to be arranged at the upper part and the lower part of a motor rotor.
However, due to the uneven material or blank defects, errors generated in processing and assembly, even asymmetric geometric shapes and other factors, when the electronic rotor is rotated, the centrifugal inertia force generated by each tiny mass point on the electronic rotor cannot be counteracted, and the centrifugal inertia force acts on machinery and the foundation through the bearing to cause vibration, generate noise, accelerate the abrasion of the bearing, shorten the service life of the machinery, and can cause destructive accidents in serious cases. For this purpose, the rotor must be balanced to the level of precision permitted for balancing, or to the extent that the amplitude of the mechanical vibrations thus generated falls within the permitted range.
The crankshaft is one of the key parts of the compressor, and the working condition of the crankshaft often directly or indirectly influences the overall performance index of the compressor. When the compressor rotates at a high speed to work, the motor drives the crankshaft seat to rotate at a high speed, and the motor can generate large unbalanced centrifugal force during working due to the special shape of the crankshaft, and the unbalanced centrifugal force can act on the motor bearing to accelerate the abrasion of the motor bearing and generate large vibration. In the prior art, fan-shaped or kidney-shaped balance blocks are generally arranged at two ends of a motor rotor for fixing, but the fixing strength effect of the existing balance blocks is general, and the fixing reliability of the balance blocks in the working process of a compressor is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a balance block of a refrigerator compressor, aiming at solving the problems that in the prior art, when the compressor rotates at a high speed to work, a motor drives a crankshaft seat to rotate at a high speed, and the motor can generate a large unbalanced centrifugal force during working due to the special shape of a crankshaft, and the unbalanced centrifugal force can act on a motor bearing to accelerate the abrasion of the motor bearing and generate large vibration. In the prior art, fan-shaped or kidney-shaped balance blocks are generally arranged at two ends of a motor rotor for fixing, but the fixing strength effect of the existing balance blocks is general, and the fixing reliability of the balance blocks in the working process of a compressor is poor.
In order to achieve the purpose, the utility model provides the following technical scheme:
the refrigerator compressor balance block comprises a balance block body, wherein the top end of the balance block body is provided with a resistance reducing block, and the resistance reducing block is used for reducing power loss generated by air resistance when the balance block body operates and improving operation efficiency;
the side of balancing piece body is equipped with first additional equipment board and second additional equipment board, first additional equipment board and second are equipped with additional and stabilize splint in the equipment board, it is used for reinforcing balancing piece body's fixed strength and promotes the balancing piece body reliability at the during operation to stabilize splint, it drives by gear drive assembly to stabilize splint, gear drive assembly locates the second and adds the equipment inboard.
As a preferable scheme of the utility model, the resistance reducing block gradually becomes smaller from front to back, and both sides of the resistance reducing block are provided with transition cambered surfaces.
As a preferable scheme of the present invention, the first additional plate is disposed at a side end of the balance weight body, a second groove is formed in the second additional plate, a connecting block is disposed in the second groove, one end of the connecting block is disposed in the second additional plate, and the other end of the connecting block is disposed at a side end of the first additional plate.
As a preferable scheme of the utility model, the gear transmission assembly comprises a gear ring which is rotatably connected between a first additional plate and a second additional plate, a gear is arranged at the side end of the first additional plate and is meshed with the gear ring, a connecting plate is arranged at the side end of the gear, one end of the stabilizing clamping plate is rotatably connected in the second additional plate, and the other end of the stabilizing clamping plate is hinged with the side end of the connecting plate through a hinge shaft.
As a preferred scheme of the utility model, a limiting groove is formed in the second additional mounting plate, the limiting groove is communicated with the second groove, the limiting groove is matched with the rotation track of the stabilizing clamping plate, a limiting block is connected in the limiting groove in a sliding manner, and the limiting block is arranged at the side end of the stabilizing clamping plate.
As a preferable scheme of the present invention, a first groove is formed at a side end of the gear, a ratchet wheel is disposed in the first groove, a ratchet is disposed at a side end of the first mounting plate, and the ratchet wheel are intermittently engaged.
In a preferred embodiment of the present invention, a hand turning handle is provided on a circumferential surface of the gear ring, and an anti-slip pad is provided on a surface of the hand turning handle.
In a preferred embodiment of the present invention, the surface of the stabilizing splint is provided with anti-slip lines.
Compared with the prior art, the utility model has the beneficial effects that:
1. among this device, stabilize splint through the drive and rotate the centre gripping rotor, increased and the rotor between the friction, make fixing on the surface of rotor that the balancing piece can be better, increase the reliability of balancing piece, can make unbalanced centrifugal force can not act on motor bearing through the stable balancing piece of installation, reduce motor bearing's wearing and tearing, increase motor bearing's life.
2. In this device, through being equipped with the arch of a crescent on the balancing piece main part, the arch diminishes to the front gradually by the back, and bellied both sides all are equipped with the transition cambered surface, and the air resistance that makes the operation of compressor balancing piece is little, and the operation is stable, reduces the power loss that air resistance produced, and the operating efficiency is high.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a front view of the present invention;
FIG. 2 is a first partial cross-sectional view of the present invention;
FIG. 3 is a partial exploded view of the present invention;
fig. 4 is a second partial cross-sectional view of the present invention.
In the figure: 1. a counterbalance body; 2. a drag reducing block; 3. a first add-on plate; 31. a second additional plate; 4. the rotating handle is screwed by hand; 5. a toothed ring; 6. connecting blocks; 7. a gear; 8. a ratchet wheel; 9. a ratchet; 10. a first groove; 11. a second groove; 12. stabilizing the splint; 13. a connecting plate; 14. a limiting groove; 15. and a limiting block.
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.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions:
the refrigerator compressor balance block comprises a balance block body 1, wherein a resistance reducing block 2 is arranged at the top end of the balance block body 1, and the resistance reducing block 2 is used for reducing power loss generated by air resistance when the balance block body 1 operates and improving operation efficiency;
the side of balancing piece body 1 is equipped with first additional board 3 and second additional board 31, is equipped with in first additional board 3 and the second additional board 31 and stabilizes splint 12, stabilizes splint 12 and is used for reinforcing balancing piece body 1's fixed strength and promotes balancing piece body 1 reliability at the during operation, stabilizes splint 12 and drives by gear drive assembly, and gear drive assembly locates in the second additional board 31.
In the embodiment of the utility model, in order to make the air resistance of the compressor balance block during operation small, the air resistance of the balance block during operation can be reduced through the arranged drag reduction block 2, the balance block is ensured to operate stably, the air resistance generated by the air resistance can be effectively reduced, and in order to make the connection between the balance block and the rotor more stable, the friction between the balance block and the rotor is increased through the arranged stable clamping plate 12, so that the stability of the balance block body 1 during installation is increased.
Specifically referring to fig. 1, the resistance reducing block 2 gradually decreases from front to back, and both sides of the resistance reducing block 2 are provided with transition cambered surfaces.
In this embodiment: the drag reduction block 2 is crescent and gradually decreases from back to front, and the two raised sides are provided with transition cambered surfaces, so that the air resistance of the compressor balance block during operation is small, and the operation is stable.
Specifically referring to fig. 1 and 2, the first additional plate 3 is disposed at the side end of the balance block body 1, the second additional plate 31 has a second groove 11 formed therein, the second groove 11 has a connecting block 6 disposed therein, one end of the connecting block 6 is disposed in the second additional plate 31, and the other end of the connecting block 6 is disposed at the side end of the first additional plate 3.
In this embodiment: in order to make and to install the intermittent type that has the setting ring gear 5 between board 31 additional with first dress board 3 and second, first dress board 3 and second install additional board 31 and pass through connecting block 6 and connect, be equipped with the clearance that can hold ring gear 5 between first dress board 3 and the second install additional board 31.
Referring to fig. 2, 3 and 4 in particular, the gear transmission assembly comprises a gear ring 5 rotatably connected between a first additional plate 3 and a second additional plate 31, a gear 7 is arranged at the side end of the first additional plate 3, the gear 7 is meshed with the gear ring 5, a connecting plate 13 is arranged at the side end of the gear 7, one end of a stabilizing clamping plate 12 is rotatably connected in the second additional plate 31, and the other end of the stabilizing clamping plate 12 is hinged with the side end of the connecting plate 13 through a hinge shaft.
In this embodiment: in order to drive the stabilizing clamping plate 12 to clamp the rotor, one side of the stabilizing clamping plate 12 is rotatably connected into the second additional mounting plate 31, the other side of the stabilizing clamping plate 12 is hinged to the side end of the connecting plate 13, the stabilizing clamping plate 12 is driven to adjust the position by rotating the connecting plate 13, the stabilizing clamping plate 12 is arranged at the side end of the gear 7 and is driven to rotate by the gear 7 in order to drive the connecting plate 13 to rotate, and the gear 7 is driven to rotate by the gear ring 5.
Referring to fig. 3 specifically, a limiting groove 14 is formed in the second mounting plate 31, the limiting groove 14 is communicated with the second groove 11, the rotating track of the limiting groove 14 is matched with that of the stabilizing clamping plate 12, a limiting block 15 is connected in the limiting groove 14 in a sliding manner, and the limiting block 15 is arranged at the side end of the stabilizing clamping plate 12.
In this embodiment: in order to prevent the stable splint 12 from deviating during the clamping movement, the position of the stable splint 12 is limited and kept stable by the limiting block 15 sliding in the limiting groove 14 and being arranged at the side end of the stable splint 12 along the limiting groove 14 formed on the stable splint 12.
Specifically referring to fig. 2, a first groove 10 is formed at a side end of the gear 7, a ratchet 8 is arranged in the first groove 10, a ratchet 9 is arranged at a side end of the first mounting plate 3, and the ratchet 9 and the ratchet 8 are intermittently meshed.
In this embodiment: in order to ensure that the stable clamping plate 12 can shake after reaching the position only, the gear 7 cannot be fixed after the gear ring 5 and the gear 7 rotate, and the gear ring 5 and the gear 7 can only rotate in a single direction through the arranged ratchet 8 and the ratchet 9, so that looseness is prevented.
Referring to fig. 2, the circumferential surface of the toothed ring 5 is provided with a handle 4, and the surface of the handle 4 is provided with an anti-slip gasket.
In this embodiment: in order to rotate the toothed ring 5 conveniently, the hand twisting handle 4 is arranged on the circumferential surface of the toothed ring 5, the hand twisting handle 4 can be used for driving the toothed ring 5 to rotate, and the anti-skid gasket arranged on the surface of the hand twisting handle 4 can be prevented from being generated in the process of twisting the hand twisting handle 4.
In particular, the surface of the stabilization splint 12 is provided with anti-slip threads, not shown.
In this embodiment: in order to make the fixation between the stabilization splint 12 and the rotor more stable, the connection can be made more secure by the provision of an anti-slip thread on the surface of the stabilization splint 12.
The working principle and the using process of the utility model are as follows: this device is when using, the circumference surface of rotor is located with 1 cover of balancing piece body to this device, twist through the rotation hand and change 4 and drive ring gear 5 and rotate, ring gear 5 rotates drive and rotates rather than meshed gear 7, gear 7 rotates and drives connecting plate 13 and carry out circular motion, connecting plate 13 position changes drive articulated stable splint 12 and rotates, stable splint 12 rotates along spacing groove 14's position, know the dead rotor of card, because ratchet 8 has been set up in the gear 7, and the 9 intermittent type meshing of ratchet that set up in the first dress board 3, ratchet 9 can block gear 7 and make its motion that can only carry out the tight direction of clamp, can't reverse after pressing from both sides tight completion.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The refrigerator compressor balance block comprises a balance block body (1) and is characterized in that a resistance reducing block (2) is arranged at the top end of the balance block body (1), and the resistance reducing block (2) is used for reducing power loss generated by air resistance when the balance block body (1) operates;
a first additional plate (3) and a second additional plate (31) are arranged at the side end of the balance block body (1), stabilizing clamping plates (12) are arranged in the first additional plate (3) and the second additional plate (31), the stabilizing clamping plates (12) are used for enhancing the fixing strength of the balance block body (1), the stabilizing clamping plates (12) are driven by a gear driving assembly, and the gear driving assembly is arranged in the second additional plate (31);
the resistance reducing block (2) is gradually reduced from front to back, and two sides of the resistance reducing block (2) are provided with transition cambered surfaces.
2. The refrigerator compressor counterbalance according to claim 1, wherein: the side of balancing piece body (1) is located in first additional board (3), second recess (11) have been seted up in second additional board (31), be equipped with connecting block (6) in second recess (11), the one end of connecting block (6) is located in second additional board (31), the side of first additional board (3) is located to the other end of connecting block (6).
3. The refrigerator compressor counterbalance according to claim 2, wherein: gear drive subassembly is including rotating ring gear (5) of connecting between first additional dress board (3) and second additional dress board (31), the side of first additional dress board (3) is equipped with gear (7), gear (7) and ring gear (5) mesh mutually, the side of gear (7) is equipped with connecting plate (13), the one end of stabilizing splint (12) is rotated and is connected in second additional dress board (31), the other end of stabilizing splint (12) and the side of connecting plate (13) are articulated through the hinge.
4. The refrigerator compressor counterbalance according to claim 3, wherein: limiting groove (14) have been seted up in second additional equipment board (31), limiting groove (14) and second recess (11) are linked together, limiting groove (14) and stable splint (12) rotate the orbit phase-match, sliding connection has stopper (15) in limiting groove (14), the side of stable splint (12) is located in stopper (15).
5. The refrigerator compressor counterbalance according to claim 4, wherein: a first groove (10) is formed in the side end of the gear (7), a ratchet wheel (8) is arranged in the first groove (10), a ratchet (9) is arranged on the side end of the first additional plate (3), and the ratchet (9) and the ratchet wheel (8) are meshed intermittently.
6. The refrigerator compressor counterbalance according to claim 5, wherein: the circumference surface of ring gear (5) is equipped with hand and twists handle (4), the surface of hand is twisted and is rotated handle (4) is equipped with anti-skidding gasket.
7. The refrigerator compressor counterbalance according to claim 6, wherein: the surface of the stable splint (12) is provided with anti-skid lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121860857.2U CN215378670U (en) | 2021-08-10 | 2021-08-10 | Balance block of refrigerator compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121860857.2U CN215378670U (en) | 2021-08-10 | 2021-08-10 | Balance block of refrigerator compressor |
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| Publication Number | Publication Date |
|---|---|
| CN215378670U true CN215378670U (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121860857.2U Active CN215378670U (en) | 2021-08-10 | 2021-08-10 | Balance block of refrigerator compressor |
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| CN (1) | CN215378670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319421A (en) * | 2022-08-30 | 2022-11-11 | 昆山腾振精密机械有限公司 | Gun drill manufacturing process |
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2021
- 2021-08-10 CN CN202121860857.2U patent/CN215378670U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115319421A (en) * | 2022-08-30 | 2022-11-11 | 昆山腾振精密机械有限公司 | Gun drill manufacturing process |
| CN115319421B (en) * | 2022-08-30 | 2023-11-17 | 昆山腾振精密机械有限公司 | Gun drill manufacturing process |
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