CN211904542U

CN211904542U - Balance detection device for washing machine

Info

Publication number: CN211904542U
Application number: CN201922115018.7U
Authority: CN
Inventors: 陈慧慧; 任伟; 王亚冲
Original assignee: Suzhou Renyi Electronic Technology Co ltd
Current assignee: Suzhou Renyi Electronic Technology Co ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-11-10
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a washing machine part detection area, specific is a washing machine is with balanced detection device. It includes the fixing base, the workstation, the drive shaft, detect chamber and displacement sensor, the workstation sets up on the fixing base, is provided with shock-absorbing structure between fixing base and workstation, the drive shaft lower extreme passes through the bearing and connects on the workstation, the drive shaft upper end is connected with the fixed axle, the impeller is connected on the fixed axle, for cup jointing the annular cover in the impeller outside, annular cover and impeller set up with one heart, displacement sensor sets up on the inner wall of annular cover, is provided with the support frame on the fixing base. The beneficial effects of the utility model reside in that: the fixed shaft is driven by the driving shaft to rotate so as to drive the impeller to rotate, and the distance of the outer wall of the impeller deviating from the original position is detected in real time through the displacement sensor, so that the motion condition of the impeller in a use state is simulated, and the balance condition of the impeller is conveniently detected.

Description

Balance detection device for washing machine

Technical Field

The utility model relates to a washing machine part detection area, specific is a washing machine is with balanced detection device.

Background

Currently, a washing machine is a cleaning appliance that washes laundry using mechanical action of electric energy generation. The washing machine is divided into two types of household and collection according to the rated washing capacity. In order to ensure the quality of the washing machine, the parts of the washing machine need to be detected before the washing machine is assembled, the impeller is taken as an important component of the washing machine and needs to be balanced and detected, and a detection device special for detecting the impeller is lacked in the prior art.

Disclosure of Invention

In order to overcome at least partial defect among the prior art, the embodiment of the utility model provides a washing machine is with balanced detection device, its can be convenient simulate the actual behavior of impeller, and the convenience is balanced the detection to the impeller, simple structure, convenient to use.

The embodiment of the application discloses: a balance detection device for a washing machine is used for detecting the balance of a wave wheel of the washing machine and comprises a fixed seat, a workbench, a driving shaft, a detection cavity, a displacement sensor and a driving motor, wherein the workbench is arranged on the fixed seat, a damping structure is arranged between the fixed seat and the workbench, the lower end of the driving shaft is connected onto the workbench through a bearing, the upper end of the driving shaft is connected with a fixed shaft, the wave wheel is connected onto the fixed shaft, the detection cavity is an annular sleeve sleeved outside the wave wheel, the annular sleeve and the wave wheel are arranged concentrically, the displacement sensor is arranged on the inner wall of the annular sleeve, a support frame is arranged on the fixed seat, the support frame is provided with a support rod and a connecting plate connected onto the support rod, and the annular sleeve is connected onto the connecting plate, the geometric center of the connecting plate and the geometric center of the annular sleeve are positioned on the same straight line, the driving shaft is connected with a driving belt wheel, the driving motor is connected with a transmission shaft, and the transmission shaft is connected with a transmission belt wheel matched with the driving belt wheel.

Further, shock-absorbing structure includes backup pad, bottom suspension fagging and damping spring, damping spring sets up the both sides of the upper surface of bottom suspension fagging seted up the matching on the last backup pad damping spring's guide way, driving motor sets up on the last backup pad.

Further, be provided with yielding rubber between the damping spring both sides go up the backup pad and have seted up first mounting groove, the second mounting groove has been seted up on the lower support plate, yielding rubber sets up first mounting groove with between the second mounting groove.

Further, the displacement sensor is a magnetic-sensing displacement sensor, a photoelectric displacement sensor or a digital laser displacement sensor.

Furthermore, the support frame is connected with a moving block, the moving block is symmetrically provided with sliding blocks, the fixed seat is provided with a sliding groove for the sliding of the sliding blocks, and the fixed seat is provided with a driving device for driving the moving block to move.

Furthermore, the driving device comprises a driving motor and a driving screw rod connected to the driving motor, a threaded hole is formed in the moving block, and the driving screw rod is connected to the threaded hole.

Furthermore, first positioning holes are symmetrically formed in the connecting plate, second positioning holes are formed in the fixing seat, and positioning pins are arranged between the first positioning holes and the second positioning holes.

Furthermore, a driving bevel gear is arranged on the driving shaft, a transmission bevel gear is connected to the shaking handle, and the transmission bevel gear is connected with the driving belt wheel.

Furthermore, the shaking handle is Z-shaped, and anti-skid grains are arranged on the shaking handle.

The utility model has the advantages as follows: the utility model relates to a balance detection device for washing machine includes the fixing base, a workbench, the drive shaft, wave the handle, driving motor, detect chamber and displacement sensor, the workstation sets up on the fixing base, be provided with shock-absorbing structure between fixing base and workstation, the drive shaft lower extreme passes through the bearing and connects on the workstation, the drive shaft upper end is connected with the fixed axle, the impeller is connected on the fixed axle, for cup jointing the annular cover in the impeller outside, annular cover and impeller concentric setting, displacement sensor sets up on the inner wall of annular cover, it is rotatory to drive the impeller through the drive shaft drive fixed axle, carry out real-time detection to the distance that the impeller outer wall deviates from the primary importance through displacement sensor, thereby simulate the motion condition of impeller in user state, and then conveniently detect the balanced condition of impeller; in addition, through shock-absorbing structure's setting, can reduce the vibrations that the driving motor produced when moving to be provided with the support frame on the fixing base, the support frame has the bracing piece and connects the connecting plate on the bracing piece, and the annular cover is connected on the connecting plate, can further reduce the driving motor vibrations and sheathe displacement sensor's interference on the annular, thereby improve and detect the precision.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a balance detecting device for a washing machine according to an embodiment of the present invention.

Fig. 2 is a schematic structural view of the driving apparatus of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a balance detecting device for a washing machine according to a preferred embodiment of the present invention is used for detecting the balance of a pulsator 20 of the washing machine, and includes a fixing base 1, a table 2, a driving shaft 3, a detecting chamber (not shown), a displacement sensor 5 and a driving motor 7, wherein the table 2 is disposed on the fixing base 1, a damping structure 6 is disposed between the fixing base 1 and the table 2, the lower end of the driving shaft 3 is connected to the table 2 through a bearing, the upper end of the driving shaft 3 is connected to a fixing shaft 31, the pulsator 20 is connected to the fixing shaft 31, the detecting chamber is an annular sleeve 4 sleeved outside the pulsator 20, the annular sleeve 4 is concentric with the pulsator 20, the displacement sensor 5 is disposed on the inner wall of the annular sleeve 4, the fixing seat 1 is provided with a support frame 11, the support frame 11 is provided with a support rod 111 and a connecting plate 112 connected to the support rod 111, the annular sleeve 4 is connected to the connecting plate 112, the geometric center of the connecting plate 112 and the geometric center of the annular sleeve 4 are located on the same straight line, the driving shaft 3 is connected with a driving belt wheel 32, the driving motor 7 is connected with a transmission shaft 71, and the transmission shaft 71 is connected with a driving belt wheel (not shown) matched with the driving belt wheel 32. The driving shaft 71 drives the fixed shaft 31 to rotate so as to drive the impeller 20 to rotate, and the displacement sensor 5 is used for detecting the distance of the outer wall of the impeller 20 deviating from the original position in real time, so that the motion condition of the impeller 20 in a use state is simulated, and the balance condition of the impeller 20 is conveniently detected; in addition, through the arrangement of the damping structure 6, the vibration generated when the driving motor 7 operates can be reduced, the support frame 11 is arranged on the fixed seat 1, the support frame 11 is provided with a support rod 111 and a connecting plate 112 connected to the support rod 111, the annular sleeve 4 is connected to the connecting plate 112, the interference of the vibration of the driving motor 7 on the annular sleeve 4 to the displacement sensor 5 can be further reduced, and therefore the detection precision is improved.

Referring to fig. 1, in the above embodiment, in order to improve the shock absorbing effect, the shock absorbing structure 6 includes an upper support plate 61, a lower support plate 62 and shock absorbing springs 63, the shock absorbing springs 63 are disposed on both sides of the upper surface of the lower support plate 62, a guide groove 611 matching with the shock absorbing springs 63 is formed on the upper support plate 62, and the driving motor 7 is disposed on the upper support plate 62.

Referring to fig. 1, in the above embodiment, the damping rubber 64 is disposed between the damping springs 63 on both sides, the first mounting groove 612 is opened on the upper support plate 61, the second mounting groove 621 is opened on the lower support plate 62, and the damping rubber 64 is disposed between the first mounting groove 612 and the second mounting groove 621. Through the setting of first mounting groove 612 and second mounting groove 621, can improve the stability of the installation of yielding rubber 64, guarantee the shock attenuation effect.

Referring to fig. 1, in the above embodiment, the displacement sensor 5 is a magnetic-sensing type displacement sensor, a photoelectric type displacement sensor or a digital laser displacement sensor. In the specific implementation process, the displacement sensor 5 is a photoelectric displacement sensor, and in other embodiments, a magnetic-sensing displacement sensor, a digital laser displacement sensor, or the like may also be used.

Referring to fig. 1 and 2, in the above embodiment, the support frame 11 is connected to a moving block 12, the moving block 12 is symmetrically provided with sliding blocks 121, the fixed base 1 is provided with sliding grooves 13 for the sliding blocks 121 to slide, and the fixed base 1 is provided with a driving device 14 for driving the moving block 12 to move. The driving device 14 includes a driving motor 141 and a driving screw 142 connected to the driving motor 141, a screw hole (not shown) is opened in the moving block 12, and the driving screw 142 is connected to the screw hole. By a driving device

Referring to fig. 1 and 2, in the above embodiment, the connecting plate 112 is symmetrically provided with first positioning holes (not shown), the fixing base 1 is provided with second positioning holes (not shown), and positioning pins (not shown) are disposed between the first positioning holes and the second positioning holes. The positioning accuracy of the connecting plate can be improved by arranging the first positioning hole and the second positioning hole, so that the positioning accuracy of the annular sleeve 4 connected to the connecting plate 112 is improved, and the testing accuracy of the displacement sensor 5 on the annular sleeve 4 is ensured.

Referring to fig. 1, in the above embodiment, a driving bevel gear 33 is disposed on the driving shaft 3, a swing handle 8 is connected to the driving bevel gear 33, a transmission bevel gear 81 is connected to the swing handle 8, and the transmission bevel gear 81 is in transmission connection with the driving pulley 33. The rocking handle 8 is Z-shaped, and the rocking handle 8 is provided with an anti-slip pattern (not shown). Through the setting of anti-skidding line, be convenient for hand-held shaking handle 8 and drive bevel gear 33 and rotate to drive shaft 3 and rotate.

In the above embodiments, the present invention has been explained by applying specific embodiments, and the description of the above embodiments is only used to help understand the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, and in summary, the content of the present specification should not be understood as the limitation of the present invention.

Claims

1. The utility model provides a washing machine is with balanced detection device for the impeller to washing machine carries out the equilibrium and detects its characterized in that: the balance detection device for the washing machine comprises a fixed seat, a workbench, a driving shaft, a detection cavity, a displacement sensor and a driving motor, wherein the workbench is arranged on the fixed seat, a damping structure is arranged between the fixed seat and the workbench, the lower end of the driving shaft is connected onto the workbench through a bearing, the upper end of the driving shaft is connected with a fixed shaft, a wave wheel is connected onto the fixed shaft, the detection cavity is an annular sleeve sleeved outside the wave wheel, the annular sleeve and the wave wheel are concentrically arranged, the displacement sensor is arranged on the inner wall of the annular sleeve, a support frame is arranged on the fixed seat and provided with a support rod and a connecting plate connected onto the support rod, the annular sleeve is connected onto the connecting plate, the geometric center of the connecting plate and the geometric center of the annular sleeve are positioned on the same straight line, the driving shaft is connected with a driving belt wheel, the driving motor is connected with a transmission shaft, and the transmission shaft is connected with a transmission belt wheel matched with the driving belt wheel.

2. The balance detecting device for a washing machine according to claim 1, wherein: shock-absorbing structure includes backup pad, bottom suspension fagging and damping spring, damping spring sets up the both sides of the upper surface of bottom suspension fagging seted up the matching on the last backup pad damping spring's guide way, driving motor sets up on the last backup pad.

3. The balance detecting device for a washing machine according to claim 2, wherein: the damping rubber is arranged on two sides between the damping springs, a first mounting groove is formed in the upper supporting plate, a second mounting groove is formed in the lower supporting plate, and the damping rubber is arranged between the first mounting groove and the second mounting groove.

4. The balance detecting device for a washing machine according to claim 1, wherein: the displacement sensor is a magnetic-sensing displacement sensor, a photoelectric displacement sensor or a digital laser displacement sensor.

5. The balance detecting device for a washing machine according to claim 1, wherein: the supporting frame is connected with a moving block, sliding blocks are symmetrically arranged on the moving block, a sliding groove for the sliding of the sliding blocks is formed in the fixed seat, and a driving device for driving the moving block to move is arranged on the fixed seat.

6. The balance detecting device for a washing machine according to claim 5, wherein: the driving device comprises a driving motor and a driving screw rod connected to the driving motor, a threaded hole is formed in the moving block, and the driving screw rod is connected to the threaded hole.

7. The balance detecting device for a washing machine according to claim 6, wherein: first positioning holes are symmetrically formed in the connecting plate, second positioning holes are formed in the fixing seat, and positioning pins are arranged between the first positioning holes and the second positioning holes.

8. The balance detecting device for a washing machine according to claim 1, wherein: the driving shaft is provided with a driving bevel gear, the driving bevel gear is connected with a shaking handle, the shaking handle is connected with a transmission bevel gear, and the transmission bevel gear is connected with the driving belt wheel.

9. The balance detecting device for a washing machine according to claim 8, wherein: the shaking handle is Z-shaped, and anti-skid grains are arranged on the shaking handle.