CN213175984U - Novel crankshaft of compressor - Google Patents
Novel crankshaft of compressor Download PDFInfo
- Publication number
- CN213175984U CN213175984U CN202022190405.XU CN202022190405U CN213175984U CN 213175984 U CN213175984 U CN 213175984U CN 202022190405 U CN202022190405 U CN 202022190405U CN 213175984 U CN213175984 U CN 213175984U
- Authority
- CN
- China
- Prior art keywords
- arc
- compressor
- mounting
- crankshaft
- novel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model provides a novel bent axle of compressor belongs to mechanical technical field. It has solved current compressor crankshaft and has taken place the problem of damaging when it receives great external force easily. This novel bent axle of compressor, which comprises a shaft body, eccentric block and the eccentric shaft of setting in the eccentric block outside, be equipped with the mounting hole on the eccentric block, the one end of axis body is inserted and is established on the mounting hole, be equipped with a plurality of mounting grooves on the lateral wall of axis body, be equipped with the steel ball in the mounting groove, be equipped with convex installation department in the mounting groove, the outer terminal surface of installation department is equipped with arc wall one, the inside part of mounting hole is equipped with a plurality of arc walls two, arc wall one is corresponding with two homogeneous ones of arc wall, the both sides of steel ball inlay respectively on corresponding arc wall one and arc wall two, all be equipped with the spring that two symmetries set up in the mounting groove, the one end of spring. The novel crankshaft of the compressor has the advantages of overload protection and safe and reliable use.
Description
Technical Field
The utility model belongs to the technical field of machinery, a bent axle, especially a novel bent axle of compressor are related to.
Background
The crankshaft is a power transmission part of the compressor, external power of the motor and the like is transmitted to the compressor through the crankshaft, the crankshaft drives another compressor part mounted on the crankshaft to be connected with one another one by one, and rotary motion is converted into reciprocating motion, so that the work of the piston compressor is realized.
The crankshaft structure of the existing compressor is easy to cause difficulty in stabilizing oil feeding, the precision of installation and processing is difficult to guarantee, and meanwhile, the friction coefficient between the crankshaft wall and the compressor body is large, so that the output power is increased, the performance of the whole compressor is reduced, and the service life of the compressor is shortened.
The crankshaft (application number: 201510983182.3) for the compressor disclosed in the Chinese patent document comprises an eccentric part, a transition element and a shaft body, wherein an oil storage chamber is arranged in the eccentric part, a first threaded column is arranged at the bottom end of the eccentric part, and a first oil guide pipe is arranged in the first threaded column; a first threaded hole is formed in the upper surface of the transition element, a second threaded hole is formed in the center of the lower surface of the transition element, and an oil duct is arranged between the first threaded hole and the second threaded hole; the axis body top is equipped with second screw thread post, is equipped with the second in the second screw thread post and leads oil pipe, and spiral helicine oil groove and linear oil groove have been seted up to the axis body, spiral helicine oil groove with linear oil groove is connected, and oil pipe is led with the second to spiral helicine oil groove and is connected. However, since the crankshaft for the compressor is not provided with the protection mechanism, it is easily damaged when it receives a large external force.
Disclosure of Invention
The utility model aims at having the above-mentioned problem to current technique, provided a novel bent axle of compressor with overload protection and safe and reliable in utilization.
The purpose of the utility model can be realized by the following technical proposal: the novel crankshaft of the compressor comprises a shaft body, an eccentric block and an eccentric shaft arranged on the outer side of the eccentric block, it is characterized in that the eccentric block is provided with a mounting hole, one end of the shaft body is inserted in the mounting hole, a plurality of mounting grooves are arranged on the outer side wall of the shaft body, steel balls are arranged in the mounting grooves, a convex mounting part is arranged in the mounting groove, an arc-shaped groove I is arranged on the outer end face of the mounting part, the inner side part of the mounting hole is provided with a plurality of arc-shaped grooves II, the arc-shaped grooves I and the arc-shaped grooves II are uniformly and correspondingly arranged, the two sides of the steel ball are respectively embedded on the corresponding arc-shaped groove I and the arc-shaped groove II, two symmetrically arranged springs are arranged in the mounting grooves, one end of the spring is abutted against the steel ball, and the other end of the spring is abutted against the inner side wall of the mounting groove.
When the eccentric block is in work, the steel balls are embedded in the first arc-shaped groove and the second arc-shaped groove to transmit the torque on the eccentric block to the shaft body, and when the torque is too large, the steel balls overcome the elasticity of the springs and are separated from the corresponding first arc-shaped groove and the corresponding second arc-shaped groove, so that the torque of the eccentric block cannot be transmitted to the shaft body.
In the novel crankshaft of the compressor, the eccentric block is connected with the locking cover in a threaded manner, the shaft body penetrates through the locking cover, and the inner end face of the locking cover is provided with the annular convex body which is abutted against the steel ball. Through the arrangement, the steel ball and the spring have the advantages of simple structure and convenience in disassembly and assembly.
In the novel compressor crankshaft, the number of the first arc-shaped grooves and the number of the second arc-shaped grooves are even from 3 to 8, and the first arc-shaped grooves and the second arc-shaped grooves are evenly arranged by taking the axis of the shaft body as the center.
In the above-mentioned novel bent axle of compressor, mounting groove, installation department and arc wall one all smooth and smooth transition. By adopting the arrangement, the steel balls can be conveniently separated from the arc-shaped groove, and the device has the advantage of reliable work.
In the novel crankshaft of the compressor, the springs are all hard springs. The spring is a hard spring, and has the advantage of transmitting larger torque.
In the novel crankshaft of the compressor, the shaft body is of a nodular cast iron integrated structure. By adopting the arrangement, the shaft body has higher strength.
In the novel crankshaft of the compressor, the crankshaft
Compared with the prior art, the novel crankshaft of the compressor has the following advantages:
1. when the torque is too large, the steel balls overcome the elasticity of the springs and are separated from the corresponding arc-shaped grooves I and II, so that the torque of the eccentric block cannot be transmitted to the shaft body, and the eccentric block has the advantages of overload protection and safe and reliable use;
2. the locking cover has the advantages that the inner end surface of the locking cover is provided with the annular convex body which is abutted against the steel ball, the positioning effect on the steel ball and the spring is better, and the locking cover has the advantages of simple structure and convenience in disassembly and assembly;
3. mounting groove, installation department and arc wall one all smooth and sly pass through, the steel ball of being convenient for breaks away from arc wall one, has the comparatively reliable advantage of work.
Drawings
Fig. 1 is a schematic structural view of the novel crankshaft of the compressor.
Fig. 2 is a schematic sectional view a-a of fig. 1.
Fig. 3 is a partially enlarged schematic view B of fig. 2.
In the figure, 1, a shaft body; 1a, mounting grooves; 1b, an installation part; 1c, an arc-shaped groove I; 2. an eccentric block; 3. an eccentric shaft; 3a, mounting holes; 3b, an arc-shaped groove II; 4. steel balls; 5. a spring; 6. a locking cover; 6a, an annular convex body.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 3, the novel crankshaft of compressor, including the axis body 1, eccentric block 2 and the eccentric shaft 3 of setting in the eccentric block 2 outside, be equipped with mounting hole 3a on the eccentric block 2, the one end of axis body 1 is inserted and is established on mounting hole 3a, be equipped with a plurality of mounting grooves 1a on the lateral wall of axis body 1, be equipped with steel ball 4 in the mounting groove 1a, be equipped with convex installation department 1b in the mounting groove 1a, the outer terminal surface of installation department 1b is equipped with arc wall 1c, the inside portion of mounting hole 3a is equipped with a plurality of arc walls two 3b, arc wall 1c is corresponding with two 3b homogeneous ones of arc wall, mounting groove 1a, the equal rounding off of installation department 1b and arc wall 1 c.
The both sides of steel ball 4 inlay respectively on corresponding arc wall 1c and arc wall two 3b, all are equipped with the spring 5 that two symmetries set up in mounting groove 1a, and the one end of spring 5 supports and leans on steel ball 4, and the other end of spring 5 supports and leans on the inside wall of mounting groove 1a, and spring 5 is stiff spring 5, has the advantage of the great moment of torsion of transmission.
Threaded connection has locking lid 6 on eccentric block 2, and axis body 1 passes locking lid 6, and the interior terminal surface of locking lid 6 is equipped with annular convex body 6a and annular convex body 6a supports and leans on steel ball 4, to the better advantage of the location effect of steel ball 4 and spring 5, has simple structure and the advantage of the dismouting of being convenient for.
The number of the first arc-shaped grooves 1c and the second arc-shaped grooves 3b is even 3-8, and the first arc-shaped grooves and the second arc-shaped grooves are evenly arranged by taking the axis of the shaft body 1 as the center. Preferably, the number of the arc-shaped grooves 1c and the number of the arc-shaped grooves 3b are 4, and the arc-shaped grooves are uniformly arranged by taking the axis of the shaft body 1 as the center.
The axis body 1 adopts nodular cast iron integrated into one piece structure, makes axis body 1 have higher intensity.
When the eccentric block is in work, the steel balls 4 are embedded in the first arc-shaped groove 1c and the second arc-shaped groove 3b, so that torque on the eccentric block 2 is transmitted to the shaft body 1, when the torque is too large, the steel balls 4 overcome the elastic force of the springs 5 and are separated from the corresponding first arc-shaped groove 1c and the corresponding second arc-shaped groove 3b, the torque of the eccentric block 2 cannot be transmitted to the shaft body 1, and the eccentric block has the advantages of overload protection and safe and reliable use. The mounting groove 1a, the mounting part 1b and the arc-shaped groove 1c are in smooth transition, so that the steel balls 4 can be conveniently separated from the arc-shaped groove 1c, and the device has the advantage of reliable work.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the shaft body 1, the mounting groove 1a, the mounting portion 1b, the arc-shaped groove 1c, the eccentric mass 2, the eccentric shaft 3, the mounting hole 3a, the arc-shaped groove 3b, the steel ball 4, the spring 5, the locking cover 6, the annular protrusion 6a, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (6)
1. The novel crankshaft of the compressor comprises a shaft body (1), an eccentric block (2) and an eccentric shaft (3) arranged on the outer side of the eccentric block (2), and is characterized in that a mounting hole (3a) is formed in the eccentric block (2), one end of the shaft body (1) is inserted into the mounting hole (3a), a plurality of mounting grooves (1a) are formed in the outer side wall of the shaft body (1), steel balls (4) are arranged in the mounting grooves (1a), a convex mounting part (1b) is arranged in the mounting groove (1a), an arc-shaped groove I (1c) is arranged on the outer end face of the mounting part (1b), a plurality of arc-shaped grooves II (3b) are arranged on the inner side portion of the mounting hole (3a), the arc-shaped groove I (1c) corresponds to the arc-shaped groove II (3b), two sides of the steel balls (4) are respectively embedded in the corresponding arc-shaped groove I (1c) and the arc-shaped groove II (3b), the mounting groove (1a) in all be equipped with spring (5) that two symmetries set up, the one end of spring (5) support and lean on steel ball (4), the other end of spring (5) support and lean on the inside wall of mounting groove (1 a).
2. The novel compressor crankshaft as claimed in claim 1, wherein the eccentric block (2) is threadedly connected with a locking cover (6), the shaft body (1) passes through the locking cover (6), an annular protrusion (6a) is arranged on an inner end surface of the locking cover (6), and the annular protrusion (6a) abuts against the steel ball (4).
3. The novel crankshaft of the compressor as claimed in claim 1, wherein the number of the first arc-shaped grooves (1c) and the second arc-shaped grooves (3b) is 3 to 8 and the first arc-shaped grooves and the second arc-shaped grooves are uniformly arranged around the axis of the shaft body (1).
4. The novel compressor crankshaft as claimed in claim 1, 2 or 3, wherein the mounting groove (1a), the mounting portion (1b) and the first arc-shaped groove (1c) are all in smooth transition.
5. A compressor new crankshaft according to claim 1, 2 or 3, characterized in that said springs (5) are all stiff springs (5).
6. The novel compressor crankshaft as claimed in claim 1, 2 or 3, wherein the shaft body (1) is of a nodular cast iron integrated structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022190405.XU CN213175984U (en) | 2020-09-29 | 2020-09-29 | Novel crankshaft of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022190405.XU CN213175984U (en) | 2020-09-29 | 2020-09-29 | Novel crankshaft of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213175984U true CN213175984U (en) | 2021-05-11 |
Family
ID=75777389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022190405.XU Active CN213175984U (en) | 2020-09-29 | 2020-09-29 | Novel crankshaft of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213175984U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688142A (en) * | 2022-02-22 | 2022-07-01 | 安徽中麦亚机电科技有限公司 | Air-conditioning refrigeration compressor crankshaft capable of reducing bearing wear and reducing method thereof |
-
2020
- 2020-09-29 CN CN202022190405.XU patent/CN213175984U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688142A (en) * | 2022-02-22 | 2022-07-01 | 安徽中麦亚机电科技有限公司 | Air-conditioning refrigeration compressor crankshaft capable of reducing bearing wear and reducing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213175984U (en) | Novel crankshaft of compressor | |
| CN111765197B (en) | Shock-resistant large-damping vibration isolator | |
| CN205423478U (en) | Novel improve vehicle shock absorber nut of structure | |
| CN103573841B (en) | Moment-limiting ball shaft coupling | |
| CN210250522U (en) | Piston type moving noise-reducing vibration-reducing structure and handheld massage gun | |
| CN215470822U (en) | High-precision handle for electric tool | |
| CN210366649U (en) | Novel main shaft for mechanical lifting appliance | |
| CN212588176U (en) | Motor shell | |
| KR101376121B1 (en) | Rotational reciprocation driven device | |
| CN219366126U (en) | Self-lubricating crankshaft connecting rod assembly | |
| CN101959706B (en) | Drive for a hybrid vehicle and clutch with release mechanism | |
| CN210510075U (en) | Buffer cushion structure | |
| CN213628566U (en) | Precise lengthening using device for coupler | |
| CN2729365Y (en) | Split link for totally-enclosed refrigeration compressor | |
| CN215110175U (en) | Clutch protective shell for industrial forklift | |
| CN211599441U (en) | High-precision ball screw pair | |
| CN211105843U (en) | Spring type balancer for open press | |
| CN210979004U (en) | Low-noise permanent magnet driver | |
| CN218543153U (en) | High-strength piston pin for engine | |
| CN218326106U (en) | Worm wheel axial buffer structure and driving device using same | |
| CN217935282U (en) | Brushless motor with noise reduction structure | |
| CN216478130U (en) | Heavy-load tilt cylinder mechanism | |
| CN219181315U (en) | Buffer structure of motor | |
| CN216199452U (en) | Cylinder with buffering and damping functions | |
| CN210178849U (en) | Top cap noise reduction mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: New type of crankshaft for compressors Effective date of registration: 20230712 Granted publication date: 20210511 Pledgee: Zhejiang Tyrone commercial bank Limited by Share Ltd. Taizhou Wenling branch Pledgor: Zhejiang zhongmaiya Machinery Co.,Ltd. Registration number: Y2023980048095 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |