CN210177176U - Special vibration damper for pulsator washing machine - Google Patents
Special vibration damper for pulsator washing machine Download PDFInfo
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- CN210177176U CN210177176U CN201920399952.3U CN201920399952U CN210177176U CN 210177176 U CN210177176 U CN 210177176U CN 201920399952 U CN201920399952 U CN 201920399952U CN 210177176 U CN210177176 U CN 210177176U
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Abstract
The utility model provides a special vibration damper of rotary drum washing machine, include: the damping device comprises a suspension rod, wherein a suspension rod seat is installed at one end of the suspension rod, a limiting part is arranged at the other end of the suspension rod, a guide sleeve and a spring support are slidably installed on the suspension rod, the guide sleeve is arranged between the suspension rod seat and the limiting part, the spring support is arranged between the limiting part and the guide sleeve, a damping spring is arranged between the spring support and the guide sleeve, and the damping spring is sleeved on the suspension rod and is damped by the damping spring; fixed mounting has the sleeve on the uide bushing, and telescopic one end opening sets up, and the other end sets up for sealing, and spring support and damping spring all set up in the sleeve, and the cover is equipped with one on the spring support with the frictional damping ring of sleeve inner wall, and the spring support drives damping ring and sleeve friction when sliding, forms the friction damping to make damping spring's damping process more steady, the damping effect is better, and rotary drum washing machine's noise of operation is little, and the reliability is high moreover.
Description
Technical Field
The utility model belongs to the technical field of the washing machine technique and specifically relates to a special vibration damper of rotary drum washing machine is related to.
Background
The bottom of the barrel of the impeller washing machine is provided with an impeller, and water flow in the barrel forms a right-handed and left-handed alternating vortex under the driving of the impeller so as to drive fabrics to rotate and roll, thereby cleaning clothes. In the working process, due to the action of loads such as washing articles and the like, the pulsator washing machine can generate resonance, on one hand, the noise in the working process is increased, and on the other hand, the pulsator washing machine can be damaged. The vibration damper is used to bear the load of the washing machine and absorb vibration.
At present, vibration dampers used for pulsator washing machines at home and abroad are roughly divided into two types, one is a pure friction damping type vibration damper for small-capacity washing machines, and the other is a vibration damper combining friction and air damping. The vibration reduction device for combining the friction damping and the air damping is composed of a plastic guide sleeve and a rubber piston which are arranged on a suspender, and the vibration reduction of the pulsator washing machine is realized by the friction between the plastic guide sleeve and the suspender and the air damping generated when the rubber piston slides.
SUMMERY OF THE UTILITY MODEL
The utility model provides a special vibration damper of rotary drum washing machine, the damping is effectual, and rotary drum washing machine's noise of operation is little, and the reliability is high moreover.
The technical scheme of the utility model is realized like this:
the special vibration damper of impeller washing machine includes: the suspension rod comprises a suspension rod, wherein a suspension rod seat is installed at one end of the suspension rod, a limiting part is arranged at the other end of the suspension rod, a guide sleeve and a spring support are installed on the suspension rod in a sliding mode, the guide sleeve is arranged between the suspension rod seat and the limiting part, and the spring support is arranged between the limiting part and the guide sleeve;
a damping spring is arranged between the spring support and the guide sleeve and sleeved on the hanging rod;
the guide sleeve is far away from the hanging rod seat and is fixedly provided with a sleeve, one end of the sleeve is provided with an opening, the other end of the sleeve is provided with a seal, the spring support and the damping spring are both arranged in the sleeve, and the spring support is sleeved with a damping ring which rubs with the inner wall of the sleeve.
As an improvement mode, an annular mounting groove used for restraining the damping ring is arranged on the peripheral surface of the spring support.
As a refinement, at least one grease storage groove for storing lubricating grease is arranged on the circumferential surface of the spring support.
As an improvement mode, the number of the grease storage grooves is two, and the two grease storage grooves are respectively positioned on two sides of the annular mounting groove.
As a modification, the other end of the sleeve is sealed by a sealing plug.
As an improvement mode, an air damping cavity is arranged in the sealing plug, and a plurality of vent holes communicated with the air damping cavity and the interior of the sleeve are formed in the spring support.
As an improvement mode, the lower end of the guide sleeve is provided with a spring mounting groove for restraining the damping spring.
As an improvement mode, the inner wall of the sleeve is a straight inner wall, and a sliding cavity for sliding the spring support is arranged in the sleeve.
As an improvement mode, the damping ring is formed by winding damping sheets wrapped on the annular mounting groove.
As an improved mode, the damping ring is an elastic damping ring with openings at two ends, and the damping ring is sleeved on the annular mounting groove.
By adopting the technical scheme, the beneficial effects of the utility model are that:
the special vibration damper of impeller washing machine includes: the suspension rod comprises a suspension rod, wherein a suspension rod seat is installed at one end of the suspension rod, a limiting part is arranged at the other end of the suspension rod, a guide sleeve and a spring support are installed on the suspension rod in a sliding mode, the guide sleeve is arranged between the suspension rod seat and the limiting part, and the spring support is arranged between the limiting part and the guide sleeve; a damping spring is arranged between the spring support and the guide sleeve, and the damping spring is sleeved on the suspender and is used for damping vibration by virtue of the damping spring; keep away from on the uide bushing that lifting rod seat fixed mounting has a sleeve, telescopic one end opening sets up, and telescopic other end is for sealing the setting, and spring support and damping spring all set up in the sleeve, and the cover is equipped with one on the spring support and rubs with the sleeve inner wall damping ring, and the spring support drives damping ring and sleeve friction when sliding, forms friction damping to make damping spring's damping process more steady, the damping effect is better, rotary drum washing machine's noise of operation is little, and the reliability is high moreover.
Because the circumferential surface of the spring support is provided with the annular mounting groove for restraining the damping ring, the damping ring is firmly mounted and installed, and the use reliability is ensured.
Because the peripheral face of the spring support is provided with at least one grease storage groove for storing lubricating grease, the damping ring is lubricated by the lubricating grease stored in the grease storage groove when sliding, and the damping process is smoother.
Because the grease storage grooves are two, the two grease storage grooves are respectively positioned on two sides of the annular mounting groove, the damping ring is lubricated by the grease storage grooves on two sides of the annular mounting groove, the damping ring can slide smoothly along two directions, and the damping effect is further improved.
Because the other end of the sleeve is sealed through a sealing plug, the split structure is more convenient and quicker to install.
Because the sealed air damping chamber that is provided with in blocking up, be provided with a plurality of intercommunication air damping chambers and the inside air vent of sleeve on the spring support, the air in the sleeve is compressed to the spring support during the damping, gets into the air damping chamber through the air vent after the air pressurized to form air damping, play the effect of energy-absorbing damping, further promoted the damping effect.
Because the lower extreme of uide bushing is provided with the spring mounting recess that is used for retraining damping spring, guarantee that damping spring's damping force openly acts on the uide bushing and does not disperse, further guarantee the damping effect.
Because the inner wall of the sleeve is a straight inner wall, and a sliding cavity for the spring support to slide is arranged in the sleeve, the damping process is stable.
Because the damping ring is formed by rolling the damping sheet wrapped on the annular mounting groove, the installation is convenient.
Because the damping ring is the elastic damping ring with openings at two ends, the damping ring is sleeved on the annular mounting groove, and when vibration damping slides, the damping ring is always positioned in the annular mounting groove, so that the use effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 inventive exercise.
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the guide sleeve of the present invention;
fig. 3 is a schematic structural view of the spring holder of the present invention;
FIG. 4 is a sectional view taken along line A-A of FIG. 3;
FIG. 5 is a schematic structural view of the damping ring of the present invention;
FIG. 6 is an expanded view of FIG. 5;
FIG. 7 is a schematic structural view of another embodiment of the damping ring of the present invention;
wherein: the damping device comprises a suspension rod 1, a suspension rod seat 2, a limiting part 3, a guide sleeve 4, a spring support 5, a damping spring 6, a sleeve 7, a sliding cavity 8, a damping ring 9, an annular mounting groove 10, an oil storage groove 11, a sealing plug 12, an air damping cavity 13, an air vent 14, a spring mounting groove 15 and lubricating grease 16.
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 efforts belong to the protection scope of the present invention.
As shown in fig. 1, the vibration damping device for pulsator washing machine comprises: the suspension rod comprises a suspension rod 1, a suspension rod seat 2 is installed at one end of the suspension rod 1, a limiting portion 3 is arranged at the other end of the suspension rod 1, a guide sleeve 4 and a spring support 5 are installed on the suspension rod 1 in a sliding mode, the guide sleeve 4 is arranged between the suspension rod seat 2 and the limiting portion 3, and the spring support 5 is arranged between the limiting portion 3 and the guide sleeve 4.
A damping spring 6 is arranged between the spring support 5 and the guide sleeve 4, and the damping spring 6 is sleeved on the suspender 1.
Keep away from 2 fixed mounting of davit seat on uide bushing 4 and have a sleeve 7, the one end opening setting of sleeve 7, the other end of sleeve 7 is for sealing the setting, spring support 5 and damping spring 6 all set up in sleeve 7, the inner wall of sleeve 7 is straight section of thick bamboo inner wall, sets up in the sleeve 7 and is used for spring support 5 gliding slip chamber 8, the cover is equipped with one on the spring support 5 and is equipped with one with the frictional damping ring 9 of sleeve 7 inner wall.
As shown in fig. 5 and 6, the damping ring 9 can be made by wrapping the damping sheet on the annular mounting groove 10, and is simple to manufacture and mount.
As shown in fig. 7, the damping ring 9 may also be an elastic damping ring 9 with two open ends, and the damping ring 9 is directly sleeved on the annular mounting groove 10.
The damping ring 9 is preferably made of polyurethane, which has the advantages of high wear resistance and high fatigue resistance, and the friction with the sleeve 7 is soft friction, so that the noise caused by friction damping is greatly reduced.
In order to ensure that the damping ring 9 does not move axially, the circumferential surface of the spring support 5 is provided with an annular mounting groove 10 for restraining the damping ring 9. Meanwhile, in order to prolong the service life of the damping ring 9, two grease storage grooves 11 for storing lubricating grease 16 are further arranged on the circumferential surface of the spring support 5, and the two grease storage grooves 11 are respectively located on two sides of the annular mounting groove 10.
In order to facilitate the assembly the utility model discloses, the other end of sleeve 7 is sealed through a sealed stifled 12, and the sealed equipment of components of a whole that can function independently is convenient.
As shown in fig. 3 and 4, an air damping cavity 13 is arranged in the sealing plug 12, eight vent holes 14 communicating the air damping cavity 13 with the interior of the sleeve 7 are arranged on the spring support 5, and the eight vent holes 14 are uniformly distributed along the radial direction of the spring support 5; during damping, the spring support 5 compresses air in the sleeve 7, and the air enters the air damping cavity 13 through the vent hole 14 after being pressurized to form air damping, so that the vibration damping effect is further improved.
As shown in fig. 2, the lower end of the guide sleeve 4 is provided with a spring mounting groove 15 for restraining the damping spring 6, so as to ensure that the damping force of the damping spring 6 acts on the guide sleeve 4 in a positive manner, and further ensure the damping effect.
The utility model discloses when using, will the utility model discloses install on washing machine, the outside box of davit seat 2 and washing machine links together, and the inside staving of washing machine is installed on uide bushing 4, uses 4 usually the utility model discloses hang washing machine's interior bucket in washing machine's box. When the inner barrel of the washing machine runs under a load, the damping ring 9 and the sleeve 7 generate friction damping under the action of the gravity of the inner barrel; along with the rotation of the inner barrel or when the load is increased, the spring support 5 compresses air in the sliding cavity 8 in the process that the damping ring 9 and the sleeve 7 generate friction damping, the air enters the air damping cavity 13 through the vent hole 14 after being compressed, and air damping is formed under the compression effect of the vibration reduction spring 6, so that the damping effect is further improved, and the vibration reduction is more stable.
To sum up, the utility model discloses a damping spring carries out the damping, and the damping in-process, damping ring and sleeve friction form the friction damping, and the air in 5 compression sliding chamber 8 of spring holder simultaneously gets into air damping chamber 13 through air vent 14 behind the air pressurized, under the effect of damping spring 6 compression, forms the air damping to the vibration that the buffering produced because resonance, the damping is effectual, and rotary drum washing machine's noise in operation is little.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The special vibration damper of impeller washing machine includes: the suspension rod is characterized in that a suspension rod seat is installed at one end of the suspension rod, a limiting part is arranged at the other end of the suspension rod, a guide sleeve and a spring support are installed on the suspension rod in a sliding mode, the guide sleeve is arranged between the suspension rod seat and the limiting part, and the spring support is arranged between the limiting part and the guide sleeve;
a damping spring is arranged between the spring support and the guide sleeve and sleeved on the hanging rod;
the guide sleeve is far away from the hanging rod seat and is fixedly provided with a sleeve, one end of the sleeve is provided with an opening, the other end of the sleeve is provided with a seal, the spring support and the damping spring are both arranged in the sleeve, and the spring support is sleeved with a damping ring which rubs with the inner wall of the sleeve.
2. The vibration damper special for the pulsator washing machine as claimed in claim 1, wherein an annular mounting groove for restraining the damping ring is provided on a circumferential surface of the spring holder.
3. The vibration damper special for the pulsator washing machine as claimed in claim 2, wherein at least one grease storage groove for storing the grease is provided on the circumferential surface of the spring holder.
4. The vibration damper special for the pulsator washing machine according to claim 3, wherein two grease storage tanks are provided, and the two grease storage tanks are respectively located at both sides of the annular mounting groove.
5. The vibration damper special for the pulsator washing machine as claimed in claim 1, wherein the other end of the sleeve is sealed by a sealing plug.
6. The special vibration damper for the pulsator washing machine as claimed in claim 5, wherein an air damping chamber is provided in the seal plug, and a plurality of vent holes communicating the air damping chamber and the interior of the sleeve are provided on the spring holder.
7. The vibration damper special for the pulsator washing machine as claimed in claim 1, wherein a spring mounting groove for restraining the vibration damper spring is provided at a lower end of the guide bushing.
8. The vibration damper special for the pulsator washing machine as claimed in claim 1, wherein the inner wall of the sleeve is a straight inner wall, and a sliding cavity for sliding the spring holder is provided in the sleeve.
9. The special vibration damper for the pulsator washing machine as claimed in claim 2, wherein the damping ring is formed by rolling damping sheets wrapped on the annular mounting groove.
10. The special vibration damper for pulsator washing machines as claimed in claim 2, wherein the damping ring is an elastic damping ring with openings at both ends, and the damping ring is fitted in the annular mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399952.3U CN210177176U (en) | 2019-03-27 | 2019-03-27 | Special vibration damper for pulsator washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920399952.3U CN210177176U (en) | 2019-03-27 | 2019-03-27 | Special vibration damper for pulsator washing machine |
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| Publication Number | Publication Date |
|---|---|
| CN210177176U true CN210177176U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920399952.3U Active CN210177176U (en) | 2019-03-27 | 2019-03-27 | Special vibration damper for pulsator washing machine |
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| Country | Link |
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| CN (1) | CN210177176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004661A (en) * | 2019-03-27 | 2019-07-12 | 昌邑市永富弹簧有限公司 | The dedicated vibration absorber of rotary drum washing machine |
-
2019
- 2019-03-27 CN CN201920399952.3U patent/CN210177176U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110004661A (en) * | 2019-03-27 | 2019-07-12 | 昌邑市永富弹簧有限公司 | The dedicated vibration absorber of rotary drum washing machine |
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